CN101428590A - Pick-up head for cars - Google Patents
Pick-up head for cars Download PDFInfo
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- CN101428590A CN101428590A CNA2008100541191A CN200810054119A CN101428590A CN 101428590 A CN101428590 A CN 101428590A CN A2008100541191 A CNA2008100541191 A CN A2008100541191A CN 200810054119 A CN200810054119 A CN 200810054119A CN 101428590 A CN101428590 A CN 101428590A
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Abstract
The invention relates to a camera head with a camera head supporting bar, which is mounted outside a vehicle body. When being used, the camera head can reach a level higher than that of a vehicle roof, so that images from the front of the vehicle or from a plurality of directions can be taken. The invention further discloses the structure and the circuit of a display device which is mounted inside the vehicle and used for displaying the images taken by the camera head, and the method thereof. The invention solves the difficulties that a driver can not overcome the roof level of the front automobile to observe the traffic jam in front, know the reason and estimate time of the traffic jam relieved, and automobiles are easy to collide with a barrier with an insufficient height, because certain drivers can not observe and accurately estimate the height difference between the loaded over height cargo and the barriers in the front.
Description
Technical field
The present invention relates to one or more and be installed in the auto body outside, can arrive height during use, towards vehicle front or towards the camera of a plurality of directions picked-up images above car roof.Particularly relate to a kind of camera that the camera strut bar is arranged that is installed in outside the vehicle body, can arrive during use and be higher than the car roof height, can be towards vehicle front or towards a plurality of directions picked-up images be placed in the structure of the read out instrument of the image that this camera of demonstration automobile in absorbs, the method for circuit.
Background technology
Now along with the raising of camera technique, many vehicle-mounted pick-up heads and technique of display increase gradually, and night vision function is more and more stronger, but use the mainly containing aspect two of camera technique up till now on automobile: identification of road ahead obstacle and Parking visible system.These cameras mainly are installed in the car body, though install outside vehicle body, the position of its installation mostly is not higher than the height of roof vertex.The visual field of these cameras can not surpass the place ahead vehicle higher than own vehicle body.The present invention invents for a difficult problem that solves following personnel:
1. every people who drove automobile drives to run into the place ahead to be had garage to make or all uses identical impression when running into traffic congestion.The auto body that is exactly sensation oneself is too low, the auto body in complaint the place ahead is too high, make road ahead upper base that oneself can't see car in front that the traffic congestion what situation causes take place, can't see the place ahead and blocked up what cars on earth, whether automobile traffic congestion that can't see the place ahead begins to have removed.Time one of traffic congestion, the long people who is sitting in the car was very worried, and constantly the someone gets off and goes to the place ahead and go to check, if but worry again in case the reason that blocks up is removed, oneself observe in the front, can not drive, cause new traffic congestion, get off, run here and there so just constantly get on the bus.The camera that monitors the road surface situation in the present automobile is placed in the car mostly, because the position of installing is low, though can see the situation in the place ahead, sees not farly, even front vehicles is identical with the overall height of oneself, visual range also surpasses only front vehicles.
2. at the overpass that constrain height is arranged or frequent because of height of wagon or cargo-carring goods superelevation across the cable place of highway, overpass is made or cable causes bridge to ruin the situation generation that car is ruined cable breakdown and the driver is owing to misjudgment knocks.Sometimes whether the driver does not surpass the height of the place ahead obstacle in order to prevent the collision of automobile and the place ahead obstacle because know the automobile height, have to look for a people to stand in that automobile front or automobile are other just to be examined slow traveling automobile and whether will knock the place ahead obstacle down, could drive when the someone is the observer to break the barriers if just having only parking to wait until when needing only people of driver, be easy to cause traffic jam.The present invention mainly is exactly in order to solve: the automobilist is sitting in and can't surpasses the reason that the front automobile height goes to observe the traffic congestion of front automobile in the operator's compartment, and whether traffic congestion has begun to have removed.And can't accurately judge, observe whether superelevation of automobile, take place and cause car to ruin the situation that bridge ruins.The present invention has used a kind of camera that the camera strut bar is arranged that is installed in outside the vehicle body for this reason, can arrive during use and be higher than the car roof height, can be towards vehicle front or towards a plurality of direction picked-up images, the image of camera picked-up is connected by electrical wiring in the railway carriage, play back by monitoring device, people in this sample car just can see the place ahead and/or on every side other all directions generation what situation, and whether the obstacle of understanding Overheight Vehicles the place ahead stop that automobile sails into, solved this and perplexed numerous driver and conductors problem for many years.
Function:
1. camera can be to fix towards the place ahead a direction, also can rotate towards a plurality of directions, can make fixing, it also can be the new line of to bow, rotation is towards a plurality of directions, it can be a camera, also can a plurality of cameras, it can be the camera lens that has the function of looking in the distance, it also can be the camera lens that does not have this function, it can be the camera lens that has the optical image stabilization system, it also can be the camera that has the electron image stabilization system, perhaps two kinds of cameras that image stabilization system all has also can be the cameras of not being with this function.Can be the fixed focal length fixed aperture, cannot focus.Also can autozoom (zoom) and the camera of automatic focusing (automatic focusing, focus).
2. the length of camera strut bar can be in use surpasses between 1 centimetre-10 meters of the automobile tops, and the most frequently used is is exceeding between 10 centimetres-3 meters of the automobile tops.Can stretch as telescopic antenna, also can be regular length.Can be multi-node, also can be a joint.Height angle of depression degree can move variable between ± 90 °, can angle of depression degree be fixing immutable also.Can be placed on any position of automobile outside, but preferably at front portion, middle part or the rear portion of car roof.Camera is taken direction and should be able to be made a video recording towards vehicle front, can fix a direction, also can make the camera rotation towards multidirectional, and what can make rotation of lens also can be the pedestal rotation.. can use a camera, also can use a plurality of cameras, the direction that makes its shooting is towards different directions, but must have one can be towards the camera of vehicle front shooting.
3. read out instrument: can be placed in the automobile, can be the monitoring device or a vision receiver that simply can be positioned on the automobile, also can be the various various electronic machines that Presentation Function is arranged that have the image signal input interface of camera picked-up of a trap for automobile Tachographs, GPS, PDA, MP3, MP4, notebook or the like.The picture signal IO interface of camera picked-up.Can be the video simulation interface, also can be digital interface, as USB interface, 1394 interfaces or the like various digital interfaces.
4. camera can be placed on the automobile fwd roof, also can be placed on the roof of automobile centre or back, also can divide on the roof that is opened in four direction all around, camera picked-up direction preferably has a camera strut bar towards the place ahead, can broaden one's vision like this and reach the purpose that better to observe the place ahead, and about camera on the roof of back three directions the camera strut bar can be arranged, can not have the camera strut bar yet.
Automobile camera head can just be faced upward and bow or left rotation and right rotation, install additional simultaneously and prevent that the sunlight direct projection from burning the device of sensor devices in the camera, to measure sunlight whether within the angle that can burn sensor devices in the camera, intensity of sunlight and temperature are enough to burn to sensor devices in the camera, if can make camera depart from original shooting direction, also can install filter glass additional in the camera lens front and weaken the poplar light intensity, in order to avoid sunlight burns the camera sensitive chip.Also can install various eyeglass mirrors additional, exempt from the dust storm rainwater with len and destroy in the camera lens front.And can install sun shade additional, in order to avoid the imaging that the side solar radiation causes halation to be is unclear.
5. can use CCD, CMOS, infrared ray, pyroelectric infrared, dual wavelength or multi-wavelength difference are pyroelectric infrared, temperature difference type pyroelectric infrared or the like various kinds, various types of pick-up lens, can use the simple function camera, also can be multifunctional pick-up head, can be the camera of single installation, also can be a plurality of compound type cameras that are installed together.
6. can be used as other needed function common platform, the Source Music antenna, mobile phone antenna, external gps antenna or the like can conceivable various application platforms.
7. various control programs can be installed, as: the control camera rotates, faces upward the program of bowing, the control strut bar rotates, faces upward the program of bowing, control camera zoom, fucos, various functions such as the image white balance adjusting of camera picked-up, brightness regulation are regulated the image display program of program, camera picked-up or the like control and display routine.
7. rotation is arranged and face upward the prevention switch of bowing, prevent excessive rotation and a direction multi-turn rotation, the while can be turned round automatically and be made it to automatically reset.When facing upward the switch of bowing and should arrive highs and lows, the SELF CL motor has when resetting simultaneously and can open motor and make it counter-rotating, and the mechanical electric apparatus structure resets or the like.
8. base can use with the various piece of automobile case and be connected by screw, also can be adsorbed on the shell or the like various connecting devices in that magnet is installed on the base.
Summary of the invention
Circuit of the present invention, comprise: one or more is installed in the auto body outside, can arrive height during use above car roof, towards vehicle front or towards the physical construction and the circuit of the camera of a plurality of directions picked-up images, comprise: camera, transmission cable, telltale: it is characterized in that, also comprise: be installed in the camera that the camera strut bar is arranged outside the vehicle body; 2. physical construction according to claim 1 and circuit is characterized in that, comprise making camera reach single-unit or multi-node camera strut bar above the car roof height when using.Particularly: comprise that base can electronic left rotation and right rotation and/or the camera strut bar base can electronic height regulated of strut bar, and/or manual left rotation and right rotation in the compartment or outside the compartment, and/or strut bar can be in the compartment or outside the compartment the manual camera strut bar base regulated of height, and/or fixing unadjustable direction camera strut bar base, and/or fixing uncontrollable camera strut bar.Particularly: comprising can electronic left rotation and right rotation, and/or can electronicly face upward the camera bearing of bowing and regulating, and/or manual left rotation and right rotation in the compartment or outside the compartment, and/or can manually face upward the camera bearing of bowing and regulating in the compartment or outside the compartment, and/or fixing unadjustable direction camera bearing, and/or fixing unadjustable direction camera.Particularly: be included in the more piece camera strut bar that can electronicly carry out telescopic adjustment, and/or can manually carry out the more piece camera strut bar of telescopic adjustment in the compartment or outside the compartment, and/or a picture strut bar is fastened in uncontrollable over-borrowing.Particularly: comprise preventing sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit.Particularly: comprise preventing sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit, comprise: photosensor and/or thermometric device: photosensor sunlight direct irradiation photosensitive device: photosensor electric current, voltage detecting circuit: and/or temperature sensing circuit, sunlight strength master cock circuit.
Be installed in the camera that the camera strut bar is arranged outside the vehicle body.Particularly: comprise to make camera reach camera strut bar when using above the car roof height.Particularly: comprise that base can electronic left rotation and right rotation and/or the camera strut bar base can electronic height regulated of strut bar, and/or manual left rotation and right rotation in the compartment or outside the compartment, and/or strut bar can be in the compartment or outside the compartment the manual camera strut bar base regulated of height.Particularly: can electronic left rotation and right rotation, and/or can electronicly face upward the camera bearing of bowing and regulating, and/or manual left rotation and right rotation in the compartment or, and/or can manually face upward the camera bearing of the adjusting of bowing in the compartment or outside the compartment. in the compartment outsideParticularly: be included in the more piece camera strut bar that can electronicly carry out telescopic adjustment, and/or can manually carry out the more piece camera strut bar of telescopic adjustment in the compartment or outside the compartment.Particularly: prevent sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit.Comprise and prevent sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit, particularly: comprising: photosensor and/or thermometric device: photosensor sunlight direct irradiation photosensitive device: photosensor electric current, voltage detecting circuit: and/or temperature sensing circuit, sunlight strength master cock circuit.
Technical field
The present invention be installed on the exterior vehicle body of auto body by one or more or be installed on the roof of the vehicle towards vehicle front or towards the camera of a plurality of directions.Particularly relate to a kind of camera that the camera strut bar is arranged that is installed in outside the vehicle body, be higher than the car roof height during work (but according to user's needs, also can when work, be lower than or equal the automobile heights of roofs), direction of observation (object lens) is towards vehicle front or towards the camera of a plurality of directions be placed in the structure, the method for circuit of read out instrument of the image of this camera picked-up of demonstration in the automobile.
Pick-up head for cars of the present invention not only can use on automobile, also can be at other various vehicle, as various local uses of steamer, motor bike or the like, also can use in the place of the non-vehicle of the various product picture pick-up devices that need to use this invention.
Comprise that base can electronic left rotation and right rotation and/or the camera strut bar base can electronic height regulated of strut bar, and/or comprise base manual left rotation and right rotation in the compartment or outside the compartment, and/or strut bar can be in the compartment or outside the compartment the manual camera strut bar base regulated of height.
4. physical construction according to claim 1 and circuit, it is characterized in that, comprising can electronic left rotation and right rotation, and/or can electronicly face upward the camera bearing of bowing and regulating, and/or be included in the compartment or manual left rotation and right rotation outside the compartment, and/or can manually face upward the camera bearing of bowing and regulating in the compartment or outside the compartment.
5. physical construction according to claim 1 and circuit, it is characterized in that, be included in the compartment or can electronicly carry out the more piece camera strut bar of telescopic adjustment outside the compartment, and/or can manually carry out the more piece camera strut bar of telescopic adjustment in the compartment or outside the compartment.
6. physical construction according to claim 1 and circuit is characterized in that, comprise preventing sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit.
Description of drawings
Fig. 1. be the present invention installation site figure on automobile.Figure 1A. Figure 1B is respectively top view and lateral plan.
Fig. 2. be a kind of hardware structure figure of the present invention, Fig. 2 A, Fig. 2 B Fig. 2 C are respectively top view and sectional side view.
Fig. 3. be a kind of hardware structure figure of the present invention, Fig. 2 A, Fig. 2 B are respectively forward sight and sectional side view.
Fig. 4. be a kind of more piece camera of the present invention strut bar lifting device structure scheme drawing.
Fig. 5. be a kind of more piece camera of the present invention strut bar lifting device structure scheme drawing.
Fig. 6. be that camera of the present invention is faced upward the steering hardware hardware configuration scheme drawing figure that bows, Fig. 6 A, Fig. 6 B are respectively top view and lateral plan.
Fig. 7. be that camera of the present invention is just faced upward the rotating machinery constructional drawing of bowing, Fig. 4 A, Fig. 4 B are respectively the lateral plans of two different directions.
Fig. 8. be that camera of the present invention prevents sunlight direct irradiation damage camera sensitive chip detector structure principle chart.
Fig. 9. be that camera of the present invention prevents sunlight direct irradiation damage camera sensitive chip detector structure principle chart.
Figure 10. be a kind of opto-electronic pickup acceptor circuit schematic diagram.
Figure 11 is a kind of light guide switch circuit figure of the present invention.
Figure 12 is a kind of light guide switch circuit figure of the present invention.
Figure 13 is a kind of temperature sensing circuit schematic diagram of the present invention.
Figure 14 is a kind of electric current of the present invention, voltage detecting circuit schematic diagram.
Figure 15 is a kind of light guide switch circuit schematic diagram of the present invention.
Figure 16 is a kind of circuit for controlling motor figure of the present invention.
Figure 17. be to be multifunctional intellectual display system basic structure block diagram of the present invention.
Figure 18. be the method for attachment between camera and the monitoring device.
Figure 19. be the method for attachment of camera and intelligent display device.
Figure 20. be computer system diagram of circuit of the present invention.
Figure 21. be that the sunlight direct irradiation that prevents of the present invention burns camera sensitive chip computer system program principle and diagram of circuit.
Figure 22. be computer system program principle and the diagram of circuit that prevents that automobile superelevation and front obstacle from knocking of the present invention
The specific embodiment
Realization of the present invention, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Fig. 1. be the present invention installation site figure on automobile.Figure 1A. Figure 1B is respectively top view and lateral plan.
The present invention is to use one or more camera that is greater than or equal to the auto body height to observe one or more directions such as automobile front, rear, left and right, from equaling or be higher than the situation of the observation automobile outside, position of automobile height, enlarged the field range of observing.
Therefore the camera installation site can comprise in optional position, auto body outside:
1. be installed in car roof position (12): the camera (122) that can be placed on the car roof can be placed on the automobile fwd roof (16) as required, also can be placed on the middle roof of automobile (17), also can be placed on the roof of automobile back (19), also can be placed on the optional position of (18) or the like car roof portion on the roof of automobile axis.Can lay the mono-camera, also can lay a plurality of cameras, can be placed on the optional position of car roof as required.The direction of camera (122) pickup image can be as required towards single direction, also can be towards a plurality of directions, also can be can arbitrarily control towards all directions.The camera of installing on the roof can be that strut bar (124) is arranged, and also can not have strut bar, can design the height and employed support style and the cantilever type that exceed roof as required.The camera (122) that install at position can be that facing one direction single camera also can be a plurality of cameras towards different directions.
2. be installed in position (11,13), automobile front and back: can be placed on front and back, the both sides any part (14) of automotive front (11), also can be placed on any part (121) of automobile tail (13).In order to make the shooting thickness of head that is placed on positions (11,13) before and after the automobile equal or exceed the height of car roof, may need the camera (122) of strut bar (124).Strut bar can be single-unit, also can be multi-node.The more piece strut bar can be an automatic lifting, also can be manually lifting.
3. be installed in the automobile camera (15,19) of the last optional position of glass for vehicle window (124,125,126,127) all around.According to the height difference that is installed in position on the automotive window, the height of laying with needed camera different select whether to install the height of camera strut bar and strut bar.
In specification sheets of the present invention, can use and comprise: can be visible light, low-light and/or infrared ray and/or pyroelectric infrared shooting, photograph device, and/or visible light, low-light and/or infrared ray, pyroelectric infrared digital vedio recording, photograph device, abbreviate as in this manual: camera (122).Visible light, low-light camera, photograph device and/or digital vedio recording, photograph device can comprise colour and monochromatic shooting, photograph device and/or digital vedio recording, photograph device.Pyroelectric infrared digital vedio recording, photograph device can be single spectrum, as 4 microns or 6 micron wave lengths, also can be multispectral as: 4 microns and 6 microns dual wavelengths can be non-temperature measuring types, also can be the camera of temperature measuring type.
The direction of camera (122) pickup image can be as required towards single direction, also can towards former and later two directions or towards a plurality of directions all around, can be fixed-direction, also can arbitrarily control towards all directions.The camera of installing on the roof can be that strut bar (124) is arranged, and also can not have strut bar, can design the height and employed support style and the cantilever type that exceed roof as required.The camera (122) that install at position can be that facing one direction single camera also can be a plurality of cameras towards different directions.Camera facing one direction can be installed one, also can install a plurality ofly, and as 2 cameras towards same direction are installed on the base, two cameras can be to be close to, and also can be that a distance is arranged between the two.What the camera in the case can make same type also can be dissimilar.
The image of picture head picked-up is transferred to telltale (123) by video analog signal interface or digital signal interface and shows by video analog signal transmission cable or digital data transmission cable.Telltale (123) can be the video display unit (VDU) of simple function, also can be micro-television or the like the electrical equipment that has the video input function, it also can be the multi-functional microcomputer that display function is arranged that includes central process unit (CPU), as: palmtop computer PDA, UMPC, notebook, GPS, MP3, MP4, have the electrical equipment that the mobile phone that can show the image digital signal that can touch input camera picked-up or the like has Presentation Function, and various car electrics is as the various electrical equipment that can show the image of camera picked-up of car alarm or the like car electrics or the like that have the automobile travel recorder of Presentation Function and Presentation Function is arranged.
Fig. 2. be a kind of hardware structure figure of the present invention, Fig. 2 A, Fig. 2 B, Fig. 2 C are respectively top view and sectional side view.
Fig. 2 is that a kind of base of the present invention can electronic left rotation and right rotation and/or the strut bar camera strut bar understructure principle schematic of can electronic height regulating.
In fact this embodiment has four machine drawing:
Scantling plan.2. base left rotation and right rotation.3. strut bar left rotation and right rotation.4. strut bar is flexible up and down.5. camera is just faced upward and is bowed
This is a kind of in various camera bases, camera strut bar and the camera stand apparatus scheme, and each scheme among each embodiment of the present invention can be along with the various increases and decreases of each part and the variation of different configurations, and forms different new allocation plans.
Base shell can be divided into top rotatable upper base shell 21 and bottom firm banking 22 two parts.The bottom base shell can pass through check screw or adhesion agent or sucker or magnetic base and automobile case relative fixed.Have in base shell: being used to control top can rotational shell 21 or 122 rotations of camera strut bar, and camera strut bar 122 liftings or the like need the electrical motor 24 of movable component movement.And drop-gear box that motor speed is lowered or reducing gear etc. lower the mechanical mechanism 25,26 of motor speed., if use that the rotating torque of slowspeed machine such as servomotor or stepping motor and motor can satisfy movable part motion needs also can not use speed reduction gearings such as drop-gear box or reducing gear.Speed reduction gearing 25 output transmission shafts drive swing pinion 211 rotations of camera strut bar 124 S. A.s by driven wheel 210, and reach the purpose that makes camera strut bar 124 change angle a.Can place stop switch 126 at the maximum position place that camera strut bar 124 changes angle, the switch contact that can run into brake switch 126 when camera strut bar 124 turns to the maximum position place disconnects motor power stops operating electrical motor.Therefore electrical motor 24, speed reduction gearing 25 and axle drive shaft, driven wheel 210, swing pinion 211 and brake switch 126 have just constituted a camera strut bar change angular movement mechanism.Certainly the physical construction of this camera dipping and heaving mechanism can have various physical construction to constitute.
Same electrical motor 24.And drop-gear box that motor speed is lowered or reducing gear etc. lower the mechanical mechanism 26 of motor speed., if use that the rotating torque of slowspeed machine such as servomotor or stepping motor and motor can satisfy movable part motion needs also can not use speed reduction gearings such as drop-gear box or reducing gear.Speed reduction gearing 26 output transmission shafts rotate by the driven wheel 29 of driven wheel 28 driven in rotation bases 21, and reach the purpose that makes rotating base 21 rotations.The purpose of making like this is actually the direction that has changed camera strut bar 124, make the camera shooting direction that is installed in above the camera strut bar change, certainly the change of camera shooting direction can have several different methods, this is a kind of method wherein, other comes rotating camera by camera rotating machinery structure in addition on the camera strut bar, make the change of camera photographic images direction.The maximum anglec of rotation brake switch of rotating base can be installed on base equally.
The present invention can install camera pitch angle degree control setup according to the design needs, this device can be mechanical, also can be motor-driven, can be also can be automatically manual shift or the like various types of control setups.Be exactly to have designed a simple mechanical device in the present embodiment, and the camera that has designed two kinds of different Electromechanical Control in Fig. 4 embodiment is respectively faced upward the control setup of bowing.Control setup in the present embodiment is by the d point before and after the camera below, the e point connects the line 218a of pitch angle degree pulling device respectively, 218b, pass the b point that corresponding hole 219 on the camera strut bar is connected respectively to pedestal, on the c point, establish when being an angle of 90 degrees degree when the camera strut bar like this with base, because the distance of two priority drag wires equates, camera is in the position of level shooting like this, when the camera strut bar is faced upward when bowing bevelled, become when necessarily spending angle in the time of as shown in the figure with setting, the downward tractive camera of drag wire 218b, drag wire 218a then loosens, allow the downward tractive of drag wire 218b, make camera also maintain the position of level shooting like this.Can according to the design needs can be by adjusting drag wire 218a, 218b respectively length and b point, c point, d point, the e position of ordering adjust camera residing position under camera strut bar different angles.Disk 217 for make the camera strut bar when at different angles drag wire can strain camera and add, can whether use and its diameter according to design needs decision.
The present invention can install distance measuring equipment (DME) 2223 according to the design needs, so that judge the object in the place ahead and the distance between the automobile, distance measuring equipment (DME) can use accomplished in many ways according to designing requirement, as: 1. by a plurality of cameras are installed, utilize the principle of binocular vision, by image recognition, image processing program, the distance between identification objects in front and the automobile.2. measure distance between objects in front and the automobile by the principle of infrared ray or laser ranging.3. utilize the principle of the principle of human body identification and obstacle identification and camera automatic focusing to identify vehicle front human body and obstacle and find range, or the like the method for various mensuration distances can be selected for use according to designing needs.
The present invention can make vehicle body anchor fitting (214) be fixed on the auto body, for example: be used for fixing the base on vehicle body, this firm banking can be magnetic base, also can be to use the base of adhesion agent, also can be fixed on the vehicle body or the like variety of way fixedly on the vehicle body with check screw by fixed screw holes.
The present invention can be according to the design needs inside and outside the head shell of the present invention or inside and outside the shell itself, camera strut bar shell or inside and outside the base shell of shell own or some equipment of base shell installation itself, for example: the various antennas of radio antenna and/or video antenna 213, gps antenna 215 or the like, also can installing some additional, can be installed in pick-up head for cars shell of the present invention inside and outside or utilize device in it to reach the design of some new functions.
If do not need base to be rotated in the design, can not want base rotation armstrong's patent structure, if do not need the camera strut bar to face upward the motion of bowing, can not want the camera strut bar yet and face upward the motion armstrong's patent structure of bowing.
The motor that uses among the present invention can use according to the design needs: the power relay of brushing DC machine, brshless DC motor, alternating-current variable frequency motor, alternating current dynamo, servomotor, stepping motor or the like various types of electrical motors and various types of switch relay and various types of propulsive efforts being provided is arranged.The drg that uses equally also can use the drg of various types of machineries or electronics.
Physical construction among each embodiment of the present invention and circuit are because can use accomplished in many ways, so can be according to the books of actual design needs with reference to following physical construction books and circuit theory, according to the principle of being mentioned in its book, method and example carry out various permutation and combination again and are improved design and enforcement, the for example height direction of the camera of embodiment rotation among the present invention, laterally rotation, base rotating machinery structure and camera strut bar are faced upward the physical construction that physical construction that the movable machinery structure of bowing can be both can provide power by electrical motor also can provide power to operate by manpower, also can various permutation and combination methods be arranged both married operations, simultaneously each also can adopt various physical construction, and each embodiment of this specification sheets has just explained wherein a certain.
Can pass through to use the various types of machine construction principles in " modern mechanism handbook " upper and lower volume, and utilize wherein each type machine construction principle to carry out the new practical application physical construction that is arranged to form according to the design needs.Comprise the various concrete physical construction (covering constitution source chief editor's modern mechanical industry press's in June, 1994 Beijing the first edition first volume and volume two) that wherein provides, the identification and the configuration that comprise first mechanism wherein: the various mechanical mechanisms of chapter 2 organize factor, design the various physical constructions that reach designing requirement.The various all kinds of electronic circuits and the physical construction that use can use according to the design-calculated needs:
The various all kinds of electronic circuits and the physical construction that use can use according to the design-calculated needs: 1. " electronic circuit cyc " 1-4 rolls up included various types of circuit theories, and the circuit theory and the circuit that utilize wherein each type, carry out new new the making a practical application of a principle and circuit that be arranged to form according to the design needs.Comprise the wherein listed wherein physical circuit of use (U.S. THE ENCYCLOPEDIA OF ELECTRONIC CIRCUITS Rudolf F.graf electronic circuit cyc translation group translation Science Press the first edition in 1986), comprise circuit for controlling motor p444-459 wherein, certainly major part that the circuit in this this book is older is the circuit with transistor fabrication, at present mostly used the circuit of production of integrated circuits, but circuit theory is identical.
Integrated circuit part can reference; Novel power supply integrated circuit application manual Zhao Guang woods is write Electronic Industry Press's book in March, 2006, classical integrated circuit application manual (essence) author:
Luo Houjun // Wei MinminThe Fujian science tech publishing house date of publication: in February, 2006, the up-to-date integrated circuit application manual of up-to-date integrated circuit application manual
This book editorial member MeetingEditor contemporary China audio ﹠ video press in April, 2004 or the like various needed integrated circuit reference manuals and bibliography.
Fig. 3. be a kind of hardware structure figure of the present invention, Fig. 2 A, Fig. 2 B, Fig. 2 C are respectively top view and sectional side view.
To be that the present invention is a kind of have a camera structure scheme drawing that rotatable base, strut bar can just be regulated to Fig. 3.Fig. 3 A, Fig. 3 B, respectively be side-looking and the back apparent direction section-drawing.
Fig. 2 embodiment provides rotation of power driven base and camera strut bar to face upward the motion of bowing by electrical motor.And present embodiment is to use the base that power manually is provided, be can be in the compartment or outside the compartment manually left rotation and right rotation and/or strut bar can manually just be regulated in the compartment or outside the compartment camera strut bar base mechanical device schematic diagram.The different of present embodiment and Fig. 2 embodiment maximum are exactly to have removed electrical motor and speed reduction gearing, directly use artificial rotating base and camera strut bar to face upward to bow the mechanical device of motion.
The manual rotating machinery structure of base comprises:
Base fixed sleeving 233 and base are fixed together, and are fixed on the car body 235 with captive nut 234 by the fixed orifice on the car body.Drive base 236 rotations by the rotating handles on the base turnbarrel 231 in the fixed sleeving 233 232.
The camera strut bar is faced upward the motion armstrong's patent structure of bowing:
Pass the camera strut bar in the base turnbarrel 231 and faced upward the control pull rod 229 of bowing, face upward the push and pull bar 230 of control pull rod 229 1 ends of bowing by push-and-pull, make the push-pull arm 124a of push-and-pull connecting rod 227 push-and-pull camera strut bars 124 along curve 236 up-and-down movements, the point from a spot wobble to b, thus make strut bar 124 face upward the motion of bowing.Support 221 makes it can not come off by adapter shaft 137 fixing camera strut bars 124.The two ends of push-pull arm 124a by adapter shaft 228,226 and camera strut bar a torque arm 124a and face upward the control pull rod 229 of bowing and be connected.
If do not need base to be rotated in the design, can not want base rotation armstrong's patent structure, if do not need the camera strut bar to face upward the motion of bowing, can not want the camera strut bar yet and face upward the motion armstrong's patent structure of bowing.Also can outside the compartment, regulate.The base rotation armstrong's patent structure of present embodiment and camera strut bar are faced upward the motion armstrong's patent structure of bowing can be by various forms of physical constructions, originally be that strength has just been explained wherein a kind of, can be by using the various types of machine construction principles in " modern mechanism handbook " upper and lower volume, and utilize wherein each type machine construction principle to carry out the new practical application physical construction that is arranged to form according to the design needs, comprise the various concrete physical construction that wherein provides.
Fig. 4. be a kind of more piece camera of the present invention strut bar lifting device structure scheme drawing.
Be a kind of embodiment that has only a joint camera strut bar shown in Fig. 2, but can use more piece camera strut bar according to the design needs, this just needs a more piece camera strut bar jacking system, this jacking system can be that manually operated also can be with electrically operated, adopt the jacking system of various different structures according to the design needs, for example can be to adopt electronic pull bar, also can the figure zip strip or the like push-pull device at fixed.Present embodiment is a kind of more piece camera strut bar that can electronicly carry out telescopic adjustment wherein.Certainly also can use more piece camera strut bar can not use electronic according to designing requirement or carry out lifting in the compartment or outside the compartment and just reconcile, only outside the compartment, to regulate or can not carry out the more piece camera strut bar that lift adjustment gets.
Camera strut bar 124 can adopt also can adopting of a joint multi-node according to the design needs, is by two joint design-calculateds in the present embodiment, comprises bottom bar 124b and lifting bar 124a.Lifter rod lifting needs the lifting bar push-pull device at fixed to handle.The lifting bar push-pull device at fixed can adopt various forms of present embodiments to adopt the lifting of electric chain lifting bar push-pull device at fixed operate lifting bar according to the design needs.In the present embodiment: lifting bar 124a is by anchor fitting 31, the chain link 33 of the lifting push-and-pull chain by adapter shaft 32 and camera strut bar jacking system is connected, lifting push-and-pull chain can be adopt the same with cycle chain can the two sides curved chain, also can only one crooked to face 38 and the bend in one direction chain that can not be painted in the figure of another side 39 direction bendings also can adopt the lifting of the lifting push-pull device at fixed lifting operate lifting bar 124a of other variety of way.Lifting push-and-pull chain 33 can adopt more piece 35, can be the pull bar of single-unit.Electrical motor 313 drives worm and gear 314 by speed reduction gearing 312 and drives 311 rotations of promotion gear, promotion gear 311 passes through and 37 bonded assembly axle drive shafts 36 of driving chain drum, drive and drive chain drum 37 rotations, and drive chain drum 37 by driven wheel 35, promote bonded assembly adapter shaft 32 between two chain links 33,34 on the elevating chain and elevating chain is advanced or retreat, make lifting bar 124a stretch out or indentation.Flower wheel 310 uses in order to make that elevating chain is capable of expansion and contraction, can use one also can use a plurality ofly according to designing requirement, can use also and can use in the both sides of chain in a side of chain, also can not use it.
If loaded the vehicle of overheight cargo, as long as the position that will have a camera of line of centers, horizon read out instrument (perhaps not having central horizontal line read out instrument) by this camera strut bar jacking system rises to the level of goods vertex, just can see on telltale whether superelevation can't have been passed through the place ahead obstacle to goods.
Fig. 5. be a kind of more piece camera of the present invention strut bar lifting device structure scheme drawing.
And present embodiment is to use the manual more piece camera strut bar jacking system that power manually is provided.It is the more piece camera strut bar that can manually carry out telescopic adjustment in the compartment or outside the compartment.Can use and to regulate or must outside the compartment, regulate.
The different of present embodiment and Fig. 4 embodiment maximum are exactly to have removed electrical motor 331 and speed reduction gearing 312, directly use artificial rotating handles 316 to make crowngear 315 driven gears 311 rotate, gear 311 passes through and 37 bonded assembly axle drive shafts 36 of driving chain drum, drive and drive chain drum 37 rotations, and drive chain drum 37 by driven wheel 35, promote bonded assembly adapter shaft 32 between two chain links 33,34 on the elevating chain and elevating chain is advanced or retreat, make lifting bar 124a stretch out or indentation.Flower wheel 310 uses in order to make that elevating chain is capable of expansion and contraction, can use one also can use a plurality ofly according to designing requirement, can use also and can use in the both sides of chain in a side of chain, also can not use it.Be placed in the compartment or outside the compartment during artificial rotating handles 316, it arrives will be by base and part between the driven wheel 311, and this part may also be equipped with other device, therefore may not can being one knows passage, need change direction, therefore can make the guide-bar mechanism of this position being installed by two degree-of-freedom motion pair or three-degree-of-freedom motion pair also can use spherical four-bar mechanism (universal connecting shaft) (can use the various types of machine construction principles in " modern mechanism handbook " upper and lower volume, and utilize wherein each type machine construction principle to carry out the new practical application physical construction that is arranged to form according to the design needs.Comprise the various concrete physical construction that wherein provides.
Fig. 6. be that camera of the present invention is faced upward the steering hardware hardware configuration scheme drawing figure that bows, Fig. 6 A, Fig. 6 B are respectively top view and lateral plan.
The present invention is to use one or more camera that is greater than or equal to the auto body height to observe one or more directions such as automobile front, rear, left and right, from equaling or be higher than the situation of the observation automobile outside, position of automobile height, enlarged the field range of observing.Be to use 4 cameras observing different directions in the present embodiment, used different cameras to face upward the steering hardware of bowing.Can use identical sensing or different sensings in the time of actual the use according to designing requirement, point to the camera of direction, both direction or a plurality of directions, and camera is faced upward the steering hardware of bowing and also can be used facing upward of various different structures to bow according to designing requirement to turn to driver train, can be that manually operated also can be electrically operated, also can be outside the compartment, regulate or can not regulate.
Camera 122a, 122b, 122c, 122d install respectively on the camera fixed support 42 above the camera bearing 41, can be one with camera also according to designing requirement camera bearing, and camera fuselage 45 is exactly a camera bearing 41.The camera support can be placed on optional position as shown in Figure 1, auto body outside, this camera that is placed in outside the vehicle body, can be lower than the car roof height when not working, but want to be lower than slightly or to equal or be higher than the height of car roof during work, competence exertion maximum efficiency when camera is higher than the car roof height.
Camera 122 comprises: optical filtering, protective glass 43 and camera lens sun shade etc. before camera lens 41, shank 45, the camera lens object lens 42 fwd camera lenses.Optical filtering, protective glass 43 can be installed also and can not install before the camera lens object lens 42 fwd camera lenses; mainly be since during running car condition relatively dislike slightly; dust storm adheres to or destroys the surface of object lens easily; make when shooting scenery unclear, make that easily the image of the picked-up photo damage image that is reflected all is a shadow and useful image a slice is fuzzy because reflected light enters camera if in the face of the place ahead reflective object be simultaneously.This filters, protective glass 43 can filter a part of light as ultraviolet light, reflected light or the like interference shooting and used, simultaneously because low price can often be lifted down scouring, replacing.Shade is to influence image capture for fear of oblique ray.Protect camera to settle simultaneously, equally also can not use it.Filter before the camera lens, protective glass 43 can use the camera lens of various difference in functionalitys according to designing requirement, as: Uv mirror, day light microscopic, polaroid filter, mist elimination coated lens, soft-focus attachment, middle gray density mirror, infrared mirror, star sensor, panchromatic mirror, various types of camera lenses of the coated lens of light-sensitive glasses, sunset mirror, inserted sheet filter, colour temperature mirror, polarizer, shades of colour eyeglass and goggles or the like gradually.
The picture signal input and output of camera picked-up can be by wired output 421, also can be by wireless output 419,420.It is that analog signal output is exported by vision cable that wired output 421 can be used, and can be digital interface also, as USB interface.The various digital interfaces of 1394 interfaces or the like.Transmit image digital signal between transmission circuit, wireless transmission circuit and the receiver that also can be to use infrared ray output and import, as: blue teeth wireless digital communication, Wi-Fi (802.11x) wireless digital communication or the like wireless communication mode transmission image digital signal used.
2. the camera strut bar can stretch automatically, can stretch automatically as telescopic antenna, and also can be regular length.Can be multi-node, also can be a joint.Just the pitch angle degree is variable, can the pitch angle degree be fixing immutable also.Can be placed on any position of automobile outside, but preferably in the front or the back of car roof.Camera is taken direction can fix a direction, also can make the camera rotation towards multidirectional, and what can make rotation of lens also can be the pedestal rotation.. can use a camera, also can use a plurality of cameras, the direction that makes its shooting is towards different directions.
3. read out instrument: can be placed in the automobile, can be a simple telltale, also can be the various various electronic machines that Presentation Function is arranged that have the image signal input interface of camera picked-up of trap for automobile Tachographs or the like.The picture signal IO interface of camera picked-up.Can be analog interface, can be digital interface also, as USB interface.The various digital interfaces of 1394 interfaces or the like.
Fig. 7. be that camera of the present invention is faced upward the steering hardware hardware configuration scheme drawing figure that bows, Fig. 7 A, Fig. 7 B are respectively the lateral plans of different directions.
Present embodiment be to use manually provide power rotate camera by hand and camera is faced upward the movable machinery device of bowing.The different of present embodiment and Fig. 6 embodiment maximum are exactly to have removed electrical motor and speed reduction gearing, use the manpower rotating camera and make camera face upward the mechanical device of bowing and moving.Certainly the structure that can not face upward the motion of bowing that also can use camera not rotate according to designing requirement perhaps has only one can regulate, also can be can not regulate in the compartment or outside the compartment, only to regulate outside the compartment.
Base rotation armstrong's patent structure comprises:
Base fixed sleeving 426 and base are fixed together, and are fixed on the car body with captive nut 436 by the fixed orifice on the car body.Drive camera base 422 rotations by the rotating handles on the camera turnbarrel 425 in the fixed sleeving 426 428.
The camera strut bar is faced upward the motion armstrong's patent structure of bowing:
1. pass the camera strut bar in the camera turnbarrel 425 and faced upward the control pull rod 427 of bowing, face upward the push and pull bar 428 of control pull rod 427 1 ends of bowing by push-and-pull, make push-and-pull connecting rod 427 push-and-pull cameras face upward to bow drawing rope 429 to convert direction of draw on the tractive camera fixed pivot 431 up-and-down movements, thereby make camera 122 face upward the motion of bowing by direction transaxle 430 repeatedly.Support 422 makes it can not come off by adapter shaft 48 fixing cameras.The other end of camera 422 by adapter shaft 432 be connected with tractive spring 434, tractive spring 434 other ends and be fixed on support 41 or support 422 on spring adapter shaft 435 fixing, an end of 434 following tractive cameras 122 of spring like this, and the other end makes it to face upward up and down the motion of bowing by drawing rope 429 tractives.
Face upward the control pull rod 427 of bowing 2.. passed the camera strut bar in the camera turnbarrel 425, face upward the handle 428 of control pull rod 427 1 ends of bowing by rotation, make the cone gear 423 on the control link 427 rotate, change direction back drive support 422 by 46 rotations of adapter shaft 48 bonded assembly camera swing pinions, thereby make relatively-stationary with it camera 122 face upward the motion of bowing up and down.
Artificial rotating handles 428 is placed in the compartment or outside the compartment, to pass through base 41, camera strut bar 439, camera bracket base 438 passes fixed sleeving 426 just can make the gear 423 on the support 422 rotate, because it is more local by much, some place is rotary, as the camera strut bar is to face upward the lifting of bowing, therefore movable axis is arranged, therefore camera face upward control pull rod 427 some place of bowing be need crooked, the part of this pull bar intermediate demand bending can use the two degree-of-freedom motion pair of changing direction or three-degree-of-freedom motion secondary that guide-bar mechanism also can use spherical four-bar mechanism (universal connecting shaft) like this, and also can use as steel rope etc. has certain suppleness hard money drag-line of comparative steel again.(can use the various types of machine construction principles in " modern mechanism handbook " upper and lower volume, and utilize wherein each type machine construction principle to carry out the new practical application physical construction that is arranged to form according to the design needs.Comprise the various concrete physical construction (covering constitution source chief editor's modern mechanical industry press's in June, 1994 Beijing the first edition first volume and volume two) that wherein provides.
Fig. 8. be that camera of the present invention prevents sunlight direct irradiation damage camera sensitive chip detector structure principle chart.
This embodiment is in order to protect the sensor devices in the camera lens; can be because of sunlight direct irradiation camera lens; and by lens focus on sensor devices; cause that sensor devices burns; and the photosensor sunlight direct irradiation photosensitive device in the design-calculated " the anti-sunlight of camera sensitive chip burns device and circuit "; present embodiment and Figure of description 9 embodiment are two kinds of the multiple scheme of device portions wherein; and Figure of description 10 is in the multiple circuit solution two kinds to accompanying drawing 15, also has more solution to carry out composite design with reference to the bibliography in the specification sheets of the present invention and implements.Certainly whether use and determine according to designing requirement.
Whether earlier want the perception sun to shine in the camera, its method is with four or a plurality of photosensor, can use as solar battery chip, photodiode, photo-transistor, photoconductive cell or the like.Photosensor 801a, 801b, 801c, 801d is positioned over four positions up and down around the object that can isolating of the camera 45 of projection or a projection block four photosensors respectively, like this when sunlight the time from oblique fire directly over the camera to camera, above, the left side, the right side can be shone and obtain photosensor and/or temperature sensor 801a, 801b, 801c, and following photosensor and/or temperature sensor 801c irradiation are less than sunlight, like this no matter the solar radiation of which direction, shine so long as not the dead ahead, the photo-sensitive cell of four positions is subjected to the light irradiation simultaneously with regard to not allowing up and down, also just has a photosensor to be subjected to a little to irradiation even have.Have only when camera four photosensors just can take place over against the sun time and be subjected to sunlit situation simultaneously; at this moment just can add control program by making control motor 412 or 421 operations by protection camera photo-sensitive cell circuit or circuit; make camera face upward to bow or rotate the object lens of avoiding sunlight direct irradiation camera; perhaps add that to camera the place ahead the filter glass 804 that stops light reduces Illumination intensity, prevent to burn the situation generation that the camera photo-sensitive cell can't be worked system.This filter glass 804 is in order to reduce the intensity of solar radiation camera lens.Therefore can use the eyeglass of various suitable comparison dark colors.This eyeglass can be the place ahead that is placed on camera lens with the mode of various types of open and close.As shown in the drawing, use electromagnetism or electrical motor 802 adhesive armatures or reductor 805, make filter glass 804 cover or open camera lens, prevent to burn the interior sensor devices of camera lens because of solar radiation by spurring 803 push-and-pull pull handles 806.Also can reduce the sunlight of irradiation camera lens sensor devices by horizontally slip filter glass 804 or slide up and down the method that filter glass 804 covers camera lens of employing.
The structure of whole solar attachment is as figure, and the shell of double as vertical sunshade plate preferably uses unreflected dark colour material, the parameter request unanimity of four photosensors, promptly bright, secretly equal and linear variation.During installation, four photosensors do not protrude the surface of shell, and are preferably more recessed, in order to avoid the interference of scattering sunlight; Four photosensors are contained on the edge of camera, can rotate thereupon and not be subjected to its catoptrical acute irradiation.
Photosensor can use:
(outer photoeffect is meant that under effect of light the electronics effusion body surface in the object is the phenomenon of emission outwards to the opto-electronic pickup of outer photoeffect.), comprising: photon sensor, photon energy sensor; Opto-electronic pickup.
Inner photoeffect: the phenomenon that light action changes the electrical resistivity of photoelectric device.As: photoconductive cell (cadmium sulphide photoconductive cell, lead sulfide photodetector).
Photoconductive effect sensor: photodiode, photo-transistor.
Photovoltaic effect: photoemissive element or the like.Large-area PN joint of photoemissive element, the electronics one hole subtend two-stage diffusion that illumination produces down forms the electro-motive force relevant with Illumination intensity.
CCD (charge-coupled device) CMOS photoelectric sensitive device
Figure .9 is that camera of the present invention prevents sunlight direct irradiation damage camera sensitive chip detector structure principle chart.
This embodiment is in order to protect the sensor devices in the camera lens; can be because of sunlight direct irradiation camera lens; and by lens focus on sensor devices; cause that sensor devices burns; and the photosensor sunlight direct irradiation photosensitive device of design-calculated " the anti-sunlight of camera sensitive chip burns device and circuit "; present embodiment and Figure of description 9 embodiment are two kinds of the multiple scheme of device portions wherein; and Figure of description 10 is in the multiple circuit solution two kinds to accompanying drawing 15, also has more solution to carry out composite design with reference to the bibliography in the specification sheets of the present invention and implements.Certainly whether use and determine according to designing requirement.
Present embodiment is to have adopted to be placed near the consistent cylindrical shell 91 of river camera sensing of camera with Fig. 8 embodiment difference, places photosensor and/or thermometric device 93 at cylindrical shell 91 in-to-ins.Photosensor and/or the thermometric device 93 placed in the cylindrical shell 91 when sunlight direct irradiation camera, have also just been shone directly into, so just can perceive camera and be subjected to the sunlight direct irradiation, just can know by using photosensor and/or thermometric device 93 whether sunlight reaches the intensity that can burn the camera sensor devices, if reached, just can take avoiding action.
Figure 10. be a kind of opto-electronic pickup acceptor circuit schematic diagram.
Figure 10 is a kind of light guide switch circuit schematic diagram of the present invention.
Because sunlight direct irradiation camera lens, camera lens has the effect of a focusing, thus when sunlight shines directly into sunlight, can burn the photo-sensitive cell in the camera lens, and feasible shooting and breaking-up.It is little to work as light intensity, the temperature of focus point was unlikely to burn sensor devices in the camera when light temperature was not too high, therefore want to burn the camera photo-sensitive cell two conditions must be arranged: sun light intensity, the temperature of sunshine, for example: when the sun has just risen, at this moment sunlight strength very a little less than, temperature is not high yet, though on the meeting direct irradiation camera lens, but can not burn the photo-sensitive cell in the camera lens, the big light irradiation photo-sensitive cell of opposite automobile sometimes, though with the effect of effect of sunlight is the same, but because light is very weak, also be unlikely to burn photo-sensitive cell, therefore to distinguish be sunlight or light-illuminating camera lens to this circuit of hiding sunlight direct irradiation camera lens, whether intensity of sunlight and temperature can burn camera lens, if can burn camera lens, take measures to make camera lens to avoid sunlight direct irradiation camera lens, or use deep-color lens to block a part of light, make the sunlight that arrives the camera lens photo-sensitive cell be not enough to burn photo-sensitive cell.Figure 10, Figure 12 are the circuit of measuring sun light intensity, and Figure 13 is a circuit of measuring temperature, and Figure 14 is to use when shining upon solar cell, measure the voltage and current testing circuit that solar cell produces.
Luminous intensity measurement circuit: the luminous intensity measurement circuit of forming by stabilivolt, photodiode amplifier.During unglazed the photograph, VA is very big, the FET conducting, and when illumination was arranged, VA descended, and R2 powers on to flow down and falls, and VB reduces; The illumination difference, the VA difference, the last pressure drop difference of R2, light intensity can be by the output of out end.Zener diode D1, photodiode D2, transistor J1, resistance R 1, R2 and capacitor C 1 have constituted the luminous intensity measurement circuit, can use various photosensors and the corresponding circuit that Fig. 8 mentions according to designing requirement.
The switch circuit figure that makes the camera rotation avoid the sunlight direct irradiation is moved at a kind of control motor when sunlight direct irradiation camera that makes because the camera sensor devices that the sunlight direct irradiation causes burns that prevents of the present invention.Be to be placed on around the camera by as shown in Figure 8 a plurality of photistoies or photoemissive element chip, can be placed on four positions up and down on every side, camera back according to designing requirement, also can be according to the designing requirement peak value in other position, sensitive surface is towards the camera direction, when the sun is not over against the camera object lens time, always there is one or more photistor to be stopped and receives sunlight by the camera of projection, therefore their light signal strength that receives of output is different, have only the sunlight of working as to shine directly into the camera object lens, when can be burnt out the camera sensitive chip by the focusing of shooting pickup lens, sensitive chip all around just can be arrived by solar radiation simultaneously, at this time the light signal strength of their output is about equally, can come out by the common mode inhibition electric circuit inspection, the actuating motor switch circuit, make camera point to other direction, avoid the direct irradiation of sunlight, avoid burning the camera sensitive chip.This in fact circuit of avoiding sunlight direct irradiation camera has a variety of, limits as space is limited here only to have listed the most frequently used severally, and Fig. 9, Figure 10, Figure 11, Figure 12 are exactly several in the employed circuit.
Figure 11 is a kind of sunlight strength master cock circuit diagram of the present invention.
Of the present inventionly a kind ofly prevent that the operation of making because the camera sensor devices that causes of sunlight direct irradiation burns of control motor when sunlight direct irradiation camera from rotate camera and avoiding the sunlight direct irradiation, perhaps by opening the switch circuit figure that adds the eyeglass that dark color can the part block sunlight to the camera lens front.
Because sunlight direct irradiation camera lens, camera lens has the effect of a focusing, thus when sunlight shines directly into sunlight, can burn the photo-sensitive cell in the camera lens, and feasible shooting and breaking-up.It is little to work as light intensity, the temperature of focus point was unlikely to burn sensor devices in the camera when light temperature was not too high, therefore want to burn the camera photo-sensitive cell two conditions must be arranged: sun light intensity, the temperature of sunshine, for example: when the sun has just risen, at this moment sunlight strength very a little less than, temperature is not high yet, though on the meeting direct irradiation camera lens, but can not burn the photo-sensitive cell in the camera lens, the big light irradiation photo-sensitive cell of opposite automobile sometimes, though with the effect of effect of sunlight is the same, but because light is very weak, also be unlikely to burn photo-sensitive cell, therefore to distinguish be sunlight or light-illuminating camera lens to this circuit of hiding sunlight direct irradiation camera lens, whether intensity of sunlight and temperature can burn camera lens, if can burn camera lens, take measures to make camera lens to avoid sunlight direct irradiation camera lens, or use deep-color lens to block a part of light, make the sunlight that arrives the camera lens photo-sensitive cell be not enough to burn photo-sensitive cell.Figure 10 is a circuit of measuring sun light intensity, and Figure 13 is a circuit of measuring temperature, and Figure 14 is to use when shining upon solar cell, measures the voltage and current testing circuit that solar cell produces.
The present invention has designed " the preventing that the camera photosensor is by the solar radiation damaged circuit " when sunlight direct projection camera.This circuit is actually with the prime pre-process circuit of Fig. 9, Figure 13, Figure 14 forms " prevent that the camera photosensor is by the solar radiation damaged circuit " together.
In fact this circuit is exactly a window comparator circuit that has the gating function, if optical sensor all receives solar radiation when sunlight direct projection camera, in time, receives after the solar radiation through amplifying or the like through the photosensor of Figure 10 or Figure 14 and to handle lightwave signal of back output, (lower limit is designed to just reach and shine camera object lens edge when sunlight, and the intensity may burn the camera sensor devices time between two given voltage when lightwave signal voltage.The upper limit shines directly into the camera Objective rallying point in optical sensor when central authorities at sunlight, and the sunlight signal strength can burn photo-sensitive cell fully the time).
The electric signal Va that exports behind the front stage circuits pretreatment of sunlit electric signal that photosensor receives through Fig. 9, Figure 13, Figure 14, (lower limit is designed to just reach and shine camera object lens edge when sunlight, and the intensity may burn the camera sensor devices time between two given voltage when lightwave signal voltage.The upper limit shines directly into the camera Objective rallying point in optical sensor when central authorities at sunlight, and the sunlight signal strength can burn photo-sensitive cell fully the time).Vb is made as reference data, here suppose that Vb is made as reference data, if the ratio of Va and reference data Vb is being specified (the higher limit ratio of M beyond distance exceeds the designed distance certain limit between ratio M and the N, the ratio of the lower limit of N within scope of design), then circuit has output to start anti-solar radiation controller circuitry, the Vb signal is passed through amplifying circuit 36A1,36A2, amplify respectively M doubly and N times (value of M, N can on the occasion of, also can be negative value, can be integer, also can be for having the non-integer of decimal.), import the utmost point for one that enters op amp 36A3,36A4 respectively, another input utmost point that Va enters op amp 36A3,36A4 respectively compares with it, as Va〉doubly when Vb, 36A3 just is being output as M, 36A4 is output as negative; Be output as Vo=" 0 " with door 36A5.When Va<N times of Vb, that 36A3 is output as is negative, 36A4 just is output as; Be output as Vo=" 0 " Vo=0 with door 36A5.As N times of Vb<Va〉during M times Vb, 36A3,36A4 output all be to bear; Be output as Vo=" 1 " with door 36A5, can further handle, start anti-solar radiation controller circuitry through other circuit.Also can use other various types of photosensors, temperature sensor or the like sensor and corresponding circuit, strong and weak and/or the sunlit temperature information of optical signal during the solar radiation camera that picks up is formed various types of " preventing that the camera photosensor is by the solar radiation damaged circuit ".
Comparator circuit can be LM339 in the present embodiment, various types of comparators such as MC14574, also can adopt the various types of circuit put down in writing in the various circuit books mentioned in this specification sheets and the comparator circuit in the integrated circuit, and described comparator circuit, can adopt window comparator, also can adopt the comparator circuit of other type, also can adopt other by transistor, op amp, comparator or the comparator circuit of forming by digital circuit, can use integrated circuit also can use the discrete assembly circuit, can use various dissimilar comparator circuits and flip-flop circuit.Can adopt analogous circuit also can adopt digital circuit and required operation procedure or analog-digital hybrid circuit according to different needs, and can finish the circuit of the various kinds of entire circuit function.
Figure 12 is a kind of light guide switch circuit figure of the present invention.
Another kind of the present invention prevents that the operation of making because the camera sensor devices that the sunlight direct irradiation causes burns of control motor when sunlight direct irradiation camera from making the camera rotation avoid the switch circuit figure of sunlight direct irradiation.
Present embodiment is described another common-mode signal suppression circuit, it is digital common mode inhibition circuit, it is to carry out constituting of common mode inhibition computing and D/A switch circuit by mould/number conversion circuit, central process unit, optical sensor G1, G2, G3, G4 receiving optical signals, respectively the optical signal of gathering is input to pre-process circuit ID1, ID2, ID3, ID4 through behind the pretreatment as required, can with other signals that need gather, the sunlight temperature informations of gathering as temperature sensor etc. output to mould/number conversion circuit D
1, analog signal conversion is become digital signal, mould/number conversion circuit D
1Digital signal after the conversion is outputed to digital signal processing circuit D
2, carry out computing, the signal power compares, and judges whether sunlight shines directly into camera, and whether intensity of sunlight and temperature are enough to burn out sensor devices in the camera or the like, pass through D/A switch circuit or digital switch circuit D again
3, the step number word processing of advancing of going forward side by side, as utilize digital switch circuit control motor rotation direction, drive manner etc.Digital signal processing circuit can also be made up of the digital circuit of other types.
Figure 13 is a kind of temperature sensing circuit schematic diagram of the present invention.
It is to adopt the AD590 temperature sensor to realize that it has higher precision and repeatability, increase with respect to the thermally dependent resistor precision, and the detected temperatures scope is :-55 ℃~+ 155 ℃ that ambient temperature detects.Detect the photovoltaic array temperature and adopt the PT100 platinum resistance.In order to obtain the voltage signal that the A/D capture card is gathered, also must the external voltage sampling circuit.Sampling circuit adopts the high resistance in-phase amplifier.The testing circuit principle as shown in figure 12.
Figure 14 is a kind of photosensor electric current of the present invention, voltage detecting circuit schematic diagram.
The detection of sun light intensity and solar cell surface light intensity is extremely important, is the important parameter that solar energy can not burn the optical sensor in the camera.Under irradiation of sunlight, because the output short circuit current of solar cell is directly proportional with solar irradiance, so choose the photoemissive element demarcated through etalon optical power, as long as measure its output short circuit current and surface temperature can be extrapolated suffered radiation light intensity in its surface at that time as light intensity sensor.The testing circuit principle as shown in Figure 4.
Current detecting is to adopt the current sensor CHT50A-S that new Condar Electronics Co., Ltd. produces in Beijing to realize.The main sensors part of this current transformer is a Hall element, adopts the magnetic balance principle.The accuracy of detection height, the linearity is good, and testing circuit and detected circuit are isolated fully.But current transformer is actually electric current one power pack, being about to tested current conversion is 0mA~50mA normalized current, and exports in the current source mode, for obtaining can be for the voltage signal of A/D capture card collection, also necessary external voltage sampling circuit is transformed into voltage signal with current signal.Its testing circuit principle as shown in Figure 2.
Voltage detecting is that new Condar Electronics Co., Ltd. produces voltage sensor HT500VI realization in employing Beijing.This voltage sensor utilizes Hall element, adopt the magnetic compensation principle, high-power resistance is transformed to the voltage input 0mA~10mA standard received current of voltage sensor, and export in the current source mode, for obtaining can be for the voltage signal of A/D capture card collection, also necessary external voltage sampling circuit is transformed into voltage signal with current signal.The testing circuit principle as shown in Figure 2
Figure 15 is a kind of light guide switch circuit schematic diagram of the present invention.
This device can detect 14 tunnel system parameters, be respectively photovoltaic array output voltage, follow the tracks of output AC electric current, alternating-current voltage/AC voltage, ambient temperature, battery temp, photovoltaic array temperature, azimuths of the sun, high angle and the wind speed of light intensity, environmental light intensity, battery charge current/voltage, inverter.
Four opto-electronic pickups are placed on four different positions up and down of collection plate respectively, receive the incident light from different angles.When another kind of the present invention prevent to make because the camera sensor devices that causes of sunlight direct irradiation burns when sunlight direct irradiation camera the time control motor operation make camera rotate the computer control system schematic circuit diagram of avoiding the sunlight direct irradiation.
Whole track channel is divided into three parts: analog electrical signal produces part, digital to analogy conversion partial sum Single-chip Controlling stepping motor part.Wherein first is by Figure 13, the output voltage of detection photovoltaic cell shown in Figure 14, and the postradiation temperature of photovoltaic cell, the circuit of environmental light intensity or the like analog electrical signal, can use photodiode, photo-transistor or photovoltaic cell are realized optical signal, temperature signal is waited until the conversion photo circuit of analog electrical signal, second portion by the A/D converter D1 that has multiple way switch as: ADC0809 is converted into digital electric signal to analog electrical signal, third part is realized controlling motor or electromagnet actuating circuit by I/O interface or D/A converter when the sunlight strength of direct irradiation camera lens can burn the pick up camera sensitive chip by micro controller system D2.
Figure 16 is a kind of circuit for controlling motor figure of the present invention.
Be the closed loop three-phase brushless dc motor control circuit figure that MC33035 and MC33039 constitute.
MC33035 is the second generation brshless DC motor control special IC of MOTORLORA company development, add that 1 MC3309 electronic speed probe carries out the F/V conversion with the rotor-position signal of brushless direct current motor, form speed feedback signal, can constitute the speed closed loop control system.External 6 set of power switches become three-phase inverter, just can drive the three-phase permanent brshless DC motor, controller circuitry constitutes, as shown in the figure, S1 control motor steering among the figure, the start-stop of S2 control system, open loop of S3 selective system or operation with closed ring, S4 control system braking, it is 60 ° or 120 ° of modes that S5 selects the rotor position detection signal, the resetting of S6 control system.Potential device RP1 is in order to set the required motor rotating speed, luminous second tube sheet L1 is as indicating fault, (chip voltage is lower than 9.1V when one of abnormal position detection signal, power circuit overcurrent, 3 kinds of under-voltages occurring, driving circuit voltage is lower than 9.1V, reference voltage is lower than 4.5V), during overheated, the start-stop end low level of chip internal, the luminous warning of L1, simultaneously automatic blockade system.Behind the trouble removal, could recover normal operation through system reset.
2.2 control principle
Three phase position detection signal (the SA that send here from the motor rotor position detector, SB, SC) send on the one hand) MC33035, through the chip internal decoding scheme in conjunction with control logic signal conditions such as rotating control end, start-stop control end, control of braking end, current detecting ends, through after the computing, produce 6 tunnel original control signals of the upper and lower brachium pontis binistor of inverter three-phase, wherein, the bridge switch signal also will carry out the pulse duration modulation processing by the brshless DC motor speed adjusting mechanism under the three-phase.(Ar, Br Cr) after the overdrive circuit shaping, amplifying, are applied on 6 switching valves of inverter bridge pwm control signal under the three-phase after the processing, make it produce the required three-phase square wave alternating current of the normal operation of power supply machine.
On the other hand, the rotor position detection signal is also sent into MC33039 and is changed through F/V, obtains the impulse singla FB that a frequency is directly proportional with motor speed.FB forms speed feedback signal after by simple resistance-capacitance network filtering, utilizes the error amplifier among the MC33035 can constitute a simple P regulating control, realizes the closed loop control of motor speed, to improve the mechanical specialities hardness of motor.In the practical application, also can external various PI, PD, regulating circuit is controlled to realize more complicated closed loop adjustment.Also can the brush DC machine will be applied to behind this circuit modification.
This motor-drive circuit can adopt the transistor discrete component to make, and perhaps adopts transistor and integrated circuit hybrid circuit to make, and also can use the IC products of other each company, is not the product that can only use Motorola.
Figure 17. be multifunctional intellectual display system basic structure block diagram of the present invention.
Of the present invention comprising: camera (and/or digital camera photograph) and/or sound receiver module 110, communication and/or communication interference monitoring, disturbance rejection communication module 130, CPU module 120, warning perceptron and lock car module 140, GPS locating module 160 and perception, alarming radar module 170 or the like module.And elements such as communication antenna 138 and gps antenna 163.
Disparate modules can be added or cast out to reconfigure according to designing requirement and form new application, just constituted palmtop computer (PDA) as only keeping CPU module and display module, just constituted GPD if increase the GPS module, just constitute intelligent mobile phone if increase communication module, if together with all module combinations, just constituted intelligent anti-theft system ... therefore different combinations can constitute different application systems, but these different application systems can be applied as intelligent display system of the present invention.
Wherein camera (and/or Digital photographic) and/or sound receiver module 110, it can be the outside that independently is placed on automobile body, in order to reach result of use of the present invention, preferably be placed on the height that is higher than roof, in order to broaden one's vision, can be below camera camera strut bar of installation, camera is raised high, can certainly be according to the design needs, with camera a little less than the roof height or a little more than the place of roof height.Camera module comprises:
Camera lens 111, photo-sensitive cell is as various photo-sensitive cells 112 such as CCD or CMOS, can adopt as charge-coupled device (CCD), charge-injection device (CID) (CID), electric charge scanning device (CSD), photodiode array (PAD), MOS image perception, cmos image perceptron, infrared ray, pyroelectric infrared according to the designing requirement image perception, dual wavelength or multi-wavelength difference are pyroelectric infrared, pyroelectric infrared or the like the various types of imageing sensors of temperature difference type.Wherein cmos image perceptron (Complementary Metal oxide semiconductor Image Sensor) can be: CMOS-PPS, CMOS-APS and logarithmic transformation CCD, cmos image perceptron, super CCD SR sensor etc.The structure of CMOS-PPS is a photodiode, and CMOS-APS has photodiode and optical grating construction or the like.Camera lens 111 can adopt various types of camera lenses according to designing requirement, can be to focus apart from camera lens, it also can be zoom (ZOOM) camera lens, it can be the camera lens of automatic light measuring automatically regulating aperture size, it also can be the camera lens of constant aperture size, it can be (autofocus) camera lens of automatic focusing (focusing), also can be fixed-focus (focusing) camera lens or the like various kinds, various types of pick-up lens, can use the simple function camera, also can be multifunctional pick-up head, can be the camera of single installation, also can be a plurality of compound type cameras that are installed together.Can use the small-sized camera lens module that uses in the camera model that possesses 2.5 Zoom Lens and the embedding embedded in mobile phone of automatic focus function of Seiko Epson.Also can adopt other various types of camera lenses.Because the CMOS/CCD photo-sensitive cell that digital camera and pick up camera adopted can receive infrared wavelength, only need be equipped with that infrared filter can be taken infrared photograph and dynamic scene becomes the infrared photography device, its infrared ray coated lens can adopt U.S. M﹠amp; The M﹠amp that K Optical Co., Ltd produces; K 1000 infrared filters, HOYA (scheming beautiful) infrared perspective mirror or the like.Can certainly adopt other various dissimilar infrared photography elements, infrared photography device.The signal of aud. snl. and photo-sensitive cell reception is handled, and carry out the video/audio output signal and handle, and/or image and aud. snl. are carried out the signal processor DSP 113 of signal conditioning, receive the acoustic pickup MIC115 of aud. snl., acoustic pickup MIC output signal is amplified, and/or carry out the aud. snl. magnification processing 114 of digital signal processing, shooting and sound receiver module power supply 116 and output interface 117.Output interface can be a simulated television sound signal output interface according to the design needs, also can be the digital signal output interface.Can be to use the cable interface of electric wire, as: the simulated television video signal output interface, digital signal interface such as USB interface, 1394 interfaces etc., also can be other kind class interface output of wireless telecommunications, as: utilize infrared ray to carry out the infrared interface of communication, perhaps 802.11x also can adopt the NEC electronics parallel interface can be converted to serial interface, bridge joint IC " μ PD161451 ", and the wiring number of its transmit image data reduces to 4 from 18.Can realize the maximum 128Mbit/ speed of transmission of second by 4 signal wire (SW)s (2 pairs).Or the like other various types of wireless telecommunication systems, and Bluetooth personal local area network etc. utilizes radiowave to carry out input and output communication or the like communication interface.
Camera device and/or sound receiver module 110, can adopt existing various camera device or shooting wherein, circuit module, as camera device, camera device or the photographing module of coventional type or the various kinds of logarithmic transformation type CMOS or ccd image perceptron module or the like.The implementation of at present main camera is: master chip+sensitive chip is formed, and master chip has many manufacturer production, comprising: master chip does not have moving camera chip---the VC0301PLNV or the like of the free drive that drives the camera chip Vimicro with loose writing brush 288/258 series.Sensitive chip has many manufacturer production, comprising: the sensitive chip that VC0301PLNV can arrange in pairs or groups has modern 7131E, modern 7131R, and Micron Technology 360 or the like also can select various suitable finished product cameras for use according to designing requirement.
Camera device of the present invention can be one, also can be a plurality of.When using a plurality of camera device, it can be installed in different positions,
The radical function of this shooting and sound receiver module 110 is to make a video recording or take a picture and/or function that sound receives, also can increase or reduce its function according to the design needs, as: increase infrared illumination and/or visible illumination function etc.Receive the acoustic pickup MIC 115 of aud. snl., acoustic pickup MIC output signal is amplified and/or the aud. snl. magnification processing 114 of carrying out digital signal processing can be placed in shooting (and/or Digital photographic) and/or the sound receiver module 110 and also can be placed on other place.
Between each module of the present invention (as: between shooting and sound receiver module 110 and the CPU module), can use analog interface, as: carry out communication, also can pass through digital communication interface by audio frequency and/or vision cable or the like, as: USB interface, IEEE 1394 FireWire port ports, optical communication interface or the like carry out communication, like this by carrying out information communication between analog signal interface and/or digital signal interface and other module.
CPU module 120, comprise: central processor CPU 121, can be a CPU, also can be the parallel or work in series of a plurality of CPU, can can adopt various types of central process units (CPU) according to designing requirement, as: the central process unit that extensively adopts in various types of desk computers, notebook, industrial control computer, the palmtop computer, as: based on the treater of ARM framework, series processors such as the PXA of Intel, Atom,, also can use OMAP central process unit series of TI or the like.Dynamic memory RAM 122, ROM (read-only memory (ROM)) 123a can adopt various types of ROM, can store CPU according to designing requirement among the ROM and handle needed basic input output system (BIOS) (BIOS), various control system program, computer operating system, application system program and various types of data or the like.Mobile memory card 2 (FLASH ROM) 123b, this mobile memory card 2 123b, can be with operating system, various application system procedure stores are in memory device, these system programs can comprise, as: operating system can adopt Windows, Unix, Windows CE, Pocket PC, Linux, the various operating system programs of operating system Symbian OS of Nokia or the like, shooting control system program, the system program of condition of the vehicle record (automobile black box), utilize the picture pick-up device and/or the car radar module 170 of side-looking and/or forward sight and/or backsight to monitor automobile automobile vehicle condition all around in driving process, in time send distress signal and carry out anti-collision early warning, and prompting in time and/or take the vehicle security drive automatic monitoring system system program of workaround automatically, and/or by the enforcement sign on the highway that passes through of monitoring automobile, automatic vehicle control system program of direction speed that Control of Automobile is travelled or the like or the like and various types of control application system programs.These software and hardwares can increase and decrease according to designing requirement, and carry out the new safety defence warning system that constitutes.
The pattern piece that image is outputed to telltale can adopt independent graph processing chips, also can adopt the CPU that is integrated with graphic chips or chipset etc.
The compression of image and/or sound, decompression circuit 125 and RAM 126, ROM 27, can be according to designing requirement: 1. be positioned in the CPU module 120, also can be positioned in camera (and/or Digital photographic) and/or the sound receiver module 110, also can be positioned in communication and/or communication interference monitoring, the disturbance rejection communication module 130 or the like in the different modules.2. can use independent video/audio compression, decompression circuit to carry out hardware-compressed, also can use video/audio compression, gunzip, use software to compress.
Output image and/or sound compressor circuit can carry out JEPG, MPEG, MJPEG, the XVD (abbreviation of " eXtended-play Video Disc " according to the design needs, U.S. DigitalStream exploitation), WMV (the Windows MediaVideo of Microsoft) and DivX (U.S. DivX Networks exploitation) or the like various compression protocols compress, and carry out the compression of figure sound according to graphics of various types, sound compression standards such as the required figure of communications protocol H.323, sound compression standards.The image compression circuit 125 that is used for carrying out output image and/or sound also can be placed on shooting and sound receiver module 110 or other place according to designing requirement.
Communication and/or communication interference monitoring, disturbance rejection communication module 130 comprise: signal transmitting and receiving module RF module 131, controlled device 132 controls, memory device 133, Sound Processor Unit 136 and acoustic pickup, loud speaker 137, coder 134, key input apparatus 135 device such as grade and circuit.Communication module 130 and CPU module 120 are carried out communication by the I/O circuit.Can adopt various wireless network communication system modules or complete machine according to the design needs, as: the GSM network of wireless communication networks and the GPRS data communication system of GSM network, the CDMA1X data communication system of cdma network and cdma network etc., and the high speed communication network that will develop later on, as: 3G, 4G high speed communication network etc., and satellite radio communication, perhaps adopt wireless network communication system, as: the IEEE 802.11X of the IEEE 802.1XX among the IEEE802.XXX of " Air Interface for Fixed Broadband Wireless Access Systems ", IEEE 802.16X, IEEE802.2XX, the Flash-OFDM of U.S. Flarion company, the WiMAX of Intel company, XZig-Bee, Mobile-Fi, not the Flash-OFDM wireless technology and the Ultrawideband of Larry benefactor department, 3G, the wireless network communication system of 4G standard or the like standard etc., also can adopt the wireless interspeaker system, the radio station system is as the high-rate wireless data transmission radio station EDL of U.S. PCC company (Pacific Crest Corporation) or the like other various types of wireless telecommunication systems.And the various wireless telecommunication systems of bluetooth communication system or the like, can use the wireless telecommunication system module, as: circuit such as various communication modules of GSM module AC35-GPRS, the GSM module AC35-GPRS of employing Siemens Company and GSM module TC 35-dualband or the like or complete machine, also can use the various notebooks that are applicable to such as MOP Net (waveguide) C81X of Shenzhen waveguide company, also be useful in the internal or external Wireless Internet access module on the Desktop PC, and C81X adopts is USB interface, can carry out the GPRS data communication of GSM network.
Warning perceptron and automobile control module 140, comprise: Central Processing Unit (CPU) 141, memory device (can have dynamically and/or static memory) 144, Central Processing Unit (CPU) 141 by IO interface I/P 143 and warning perceptron as infrared perceptron 145, the various warning perceptrons of vibration perceptron 146, gear perceptron 147 and central controlled lock perceptron 148 or the like, and automobile controller as: central controlled lock 149, engine lock 150, loud speaker 151, warning starting switch 152 carry out communication and communication module IO interface I/O142.Warning perceptron and automobile control module 140 can use each warning perceptron and automotive control system of the car alarm system in existing aforesaid each generation.The Central Processing Unit (CPU) 141 of this warning perceptron and automobile control module 140, memory device (can have dynamically and/or static memory) 144, Central Processing Unit (CPU) 141 can be shared with CPU module 120 by IO interface I/P 143.Can on warning perceptron and automobile control module 140, carry out processing, also the image document of picked-up can be sent to monitoring and control centre by communication module 130, carry out the processing of image identification function by the computing machine of monitoring and control centre at image identification function.Shooting alert detecting starter gear can adopt existing various warning perceptron, also can adopt shooting warning starter gear, perhaps active or passive infrared alarm device.
Perception, the crashproof module 170 of reporting to the police comprise: parts such as range finding such as radar microprocessor module (central processor CPU module) 171, one or more microwave RF radar ranging alarm module 172 and/or one or more ultrasonic ranging alarm module and/or infrared distance measurement alarm module alarm module 173.Utilize radar module can the perception automobile outside whether obstacle arranged, and obstacle is in which orientation of automobile, and how many distances between the automobile is, obstacle and automobile between the two near or the relative velocity that the leaves various information that what are or the like, and function such as running car control.
Flat-panel monitor 181, as: Liquid Crystal Display (LCD), PDP telltale, OLED (OLED) telltale and use crystal reflection show various types of telltales of (SXRD) technology, DLP technique of display or the like.
And/or HUD (HEAD UP DISPLAY, HUD) 182, its luminous componen can comprise: liquid crystal HUD, penetration OLED (organic light emitting diode display) HUD, and the use crystal reflection shows the HUD telltale that uses on the HUD of (SXRD) technology, DLP technique of display or the like the various suitable automobiles.Its new line display part can be as the HUD that uses the full figure beam splitter to show, perhaps as the General Motors Coporation employed HUD that utilizes common glass for vehicle window demonstration etc.Can place different in car placed apart with the circuit part of CPU module 120 and telltale part, also can be made of one, the display part can be by wired or wirelessly be connected with CPU module 120.
Display system, by HUD and being installed in the automobile, outer picked-up direction is towards the automobile rear, and towards vehicle front, camera device towards automobile both sides fore-and-aft direction is formed, telltale can selectively show by visible light, low-light and/or infrared ray, pyroelectric infrared shooting, the photograph device, and/or digital vedio recording, the image of picked-up such as photograph device, so just can play the inside and outside night vision goggles of automobile, the effect of side view mirror and back mirror, make chaufeur to turn one's head or to come back and to see and back mirror inside and outside the automobile reduce the generation of traffic accident to both sides.
3. also can utilize towards vehicle front, to both sides, rearward visible light, low-light and/or infrared ray, pyroelectric infrared shooting, photograph device at night, and/or the image at the dark place, automobile outside of picked-ups such as digital vedio recording, photograph device 5g, 5a, 5b, make chaufeur can enlarge the visual field at night, reduce the generation of traffic accident.
4. and can show various Useful Informations, as: the electronic chart of global position system (GPS), various telltales such as vehicle drive control information can content displayed.
By being positioned in the automobile bodies or outside the compartment and/or outer visible light, low-light and/or infrared ray, pyroelectric infrared shooting, photograph device and/or digital vedio recording, the photograph device of automobile bodies, its camera direction towards automobile outside and/or auto body both sides and HUD spare constitute forward sight and/or backsight, side-looking head-up-display system.
The various piece circuit and the device of each functional module in the accompanying drawing of the present invention in order to express easily, in actual design is made, can make alterations according to the design needs, and determine the increase and decrease of various functions and device.For example: essential substantially module of the present invention comprises: basic modules such as shooting (and/or Digital photographic) and/or sound receiver module 110, central process unit 120 and communication module 130, remaining module can be increased and decreased as the module of each component function of warning perceptron, automobile control module 140 and GPS locating module and 160 automobiles control according to the design needs
Each module can have identical module of a plurality of functions and/or function module inequality in various types of modules in of the present invention, these a plurality of identical modules can be used as redundant module, also can be used as parallel processing module, perhaps bring into play the module of difference in functionality, as CPU module.
Power supply of the present invention is to use the automobile storage battery direct supply, also can use powered battery.
Central process unit in the present embodiment and each module also can adopt various multifunctional processor modules, as: (1)
Multifunction system chip (SoC) based on GPS: the most of integrated chips of multiple functions such as GPS, DSP, figure and multimedia accelerator of System on Chip/SoC (SoC), comprising:
SiRF CentralityMultifunction system chip (SoC), as: Centrality Atlas-II scheme, this solution integration ARM9+DSP+GPS, built-in GPS module, wherein as: Centrality AT642 400Mhz GPS chip: SiRFstar III screen size: 4.3 inches, operating system: WindowsCE 5.0 audio frequency: support audio formats such as MP3, WAV, WMA ... 64MB SDRAM+64MB FlashROM.(2) based on the multifunction system chip (SoC) of communication function: the most of integrated DSP of System on Chip/SoC (SoC), the chip of multiple function such as figure and multimedia accelerator, base band core chip for cell phone comprising the communication chip of: United Hair science and technology MediaTek Inc., as: MT6227/MT6228+MT6305BN+MT6129 supports GPRS, WAP, built-in 3.0M takes the photograph the phase processing IC, support GPRS, WAP, MP3, MP4, TV OUT function etc., as to join bluetooth be that the BC03 module USD3 of available very cheap chip CSR can support data transmission (as listening stereo MP3 etc.) function.(3) based on the multifunction system chip (SoC) of multimedia function: the most of integrated chips of multiple functions such as DSP, figure and multimedia accelerator of System on Chip/SoC (SoC), comprising: Fuzhou Rockchip Semiconductor Co., Ltd.
Digital audio/video process chip series, as: RK2708L/RK2708B has the powerful dual core processor of ARM+DSP flexibly, built-in 8-bits hardware ECC algorithm, support complete series NAND FLASH, built-in TFT controller is supported various LCDs, built-in video interface, support the input of camera and video, USB high-speed transfer, built-in High Performance audio converter (CODEC), export perfect tonequality, support the expansion of SD/SDHC/MMC card.Complete series audio format, full format video support that picture shows, supports TV-OUT video output function, MiniOS operating system.---VC0301PLNV, Mitsubishi are the CMO51 camera module of mobile phone development.Used the super CCD SR of the Fuji sensor of 200 everything elements on this module.Monitoring device can use various mobile monitors and vision receiver, as using 5.6 inches TFT LCD of Te Jia Photoelectric Co., Ltd. mobile monitors or the like.(5) based on the multifunction system chip (SoC) of portable computer: the most of integrated chips of multiple functions such as multimedia accelerator of System on Chip/SoC (SoC), comprising: the ATOM chipset of INTEL.
These several multifunction system chips also can function merges mutually by adding functional chip, has increased GPS function or the like as increasing the GPS receiving chip.Can be in multifunctional intellectual display system of the present invention as showing and/or the controller use.
18. be the method for attachment between camera and the monitoring device.
The picture signal of the picked-up of camera of the present invention can be from analog signal interface, by cable that can the transmission of video analog signal, be transferred to display equipment, as: monitoring device, have vision receiver of video input interface or the like with vision signal display capabilities with video analog signal interface.Make it show the image of camera picked-up.
19. be the method for attachment of camera and intelligent display device.
The image digitization information of camera picked-up of the present invention, can pass through the digital data transmission interface, as: USB interface, 1394 interfaces or the like, by corresponding digital data transmission cable, be transferred to that digital signal receives and the display equipment of display capabilities, as: have digital frame, microcomputer, UMPC, PDA, GPS, MP3, MP4 of digital signal input interface or the like.Make it show the image of camera picked-up.
20. be computer system diagram of circuit of the present invention.
The present invention be installed on the exterior vehicle body of auto body or on the roof of the vehicle towards vehicle front or towards the camera of a plurality of directions be placed in the computer system program principle and the diagram of circuit of read out instrument of the image of this camera picked-up of demonstration in the automobile.Its department of computer science's system program divides several parts.Its principle and processing method comprise following treating process: (4) beginning: control of (2) camera and image acquisition subprogram: the image display subroutine of (3) camera picked-up: (4) are to the camera attitude, the camera object lens towards, the camera strut bar towards, lifting position is adjusted, control subprogram: this subprogram can also be adjusted the parameters of the shooting-recording function of camera, carry out following adjusting: wide dynamic range, anti-dizzy, no smearing (zero smearing): electron exposure/gain/white balance control: figure image intensifying-brightness, contrast ratio, gamma, degree of saturation specific humidity, acutance, windowings etc.: (5) prevent that the sunlight direct irradiation from burning camera sensitive chip subprogram, prevents the subprogram that automobile superelevation and front obstacle knock: finish (6).
Can be according to designing requirement, which decision uses handle subprogram, and treating process and equipment corresponding devices and circuit.
Figure 21 has shown the sunlight direct irradiation that prevents of the present invention and has burnt camera sensitive chip computer system program principle and diagram of circuit.
Of the present inventionly prevent that the sunlight direct irradiation from burning camera sensitive chip computer system program principle and processing method is divided several parts, comprise following treating process, comprise: beginning: (2) read the strong and weak data of optical signal that each photosensor receives, the perhaps electric current that under solar radiation, produces of photoemissive element, voltage data, and the temperature data of photoemissive element under solar radiation of temperature sensor reception: whether calculate (3) light source direct irradiation camera lens, the intensity of light source irradiation and temperature: (4) judge whether the intensity of light source irradiation and temperature can burn the pick up camera sensitive chip: (5) are if judge that through calculating sunlight can burn the pick up camera sensitive chip, then actuating motor change camera lens towards, avoid sunlight direct irradiation camera lens, the filter glass mirror that perhaps covers attenuating solar radiation intensity before camera lens is in order to avoid sunlight burns camera: (6) are not if can burn the pick up camera sensitive chip through calculating, then do not deal with, turn back to the initiated process stage: finish (7).Having dropped to from the sun will be in a period of time of baseplane rise to the sun below the ground line, and this program can be closed and be never called.Camera can be got back to the initial position, and the filter glass mirror also no longer covers camera lens.
Figure 22 is computer system program principle and the diagram of circuit that prevents that automobile superelevation and front obstacle from knocking of the present invention.
Computer system program principle and the processing method that prevents that automobile superelevation and front obstacle from knocking of the present invention comprises following treating process:
The department of computer science's system program that prevents that automobile superelevation and front obstacle from knocking of the present invention divides several parts.Its principle and processing method comprise following treating process: (1) beginning: (2) pickup image: (2) show main interface: automobile dead ahead bulk noncombustibility volume image in the image of (3) search picked-up: (4) judge whether the dead ahead has the bulk object: (5) are if having, then dead ahead bulk noncombustibility body is carried out characteristics of image identification: the feature of the various bulk objects in (6) and the file store compares, carry out qualitative to the bulk object: (7) are measured bulk object position height distance: whether (8) influence ride safety of automobile is discerned, differentiate: (9) call prompting, stop, report to the police, the self-actuating brake program: (10) start the rearview camera pickup image: (11) search dead aft automobile image: (12) judge whether the dead aft has automobile: (13) are not if there is automobile directly to enter brake, alert program: (14) if there is automobile, and then the dead aft automobile is carried out characteristics of image identification: (15) are measured distance between rear automobile and self automobile: whether (16) influence self automobile emergency brake safety to the dead aft automobile is differentiated: (17) start brake and/or alert program: finish (18).
Distance between measured automobiles and the obstacle has several different methods to use, comprise: 1. two of usefulness are towards same direction, the camera that certain distance is arranged between the two, so that the image that two cameras are absorbed simultaneously can reach the effect of binocular vision by Computer Processing, can judge distance with car front obstacle.2. by for example using the employed distance-finding method of various types of digital cameras: 1). based on the distance-finding method of the camera lens and the range observation between the target that is taken, this utilizes various distance-finding methods such as infrared distance measuring, laser ranging, ultrasonic ranging to find range 2). based on the focus detection methods clearly of imaging on the focusing screen.As: this method of a. contrast ratio method is to realize focusing automatically by the contour edge of detected image.Two photoelectric detectors are placed on equidistance place, CCD front and back, and the image of the thing of being photographed becomes on these two detectors simultaneously through beam split, exports the contrast ratio of its imaging respectively.The absolute value that the contrast ratio of exporting when two detectors differs hour, the image planes that focusing is described are just in the middle of two detectors, and are promptly approaching with the imaging surface of CCD, so focusing is finished.This method of b phase method is to realize focusing automatically by the side-play amount that detects picture.Cmos image chip ranging scheme with canesta: use flight time (time-of-flight) formula method of calculating, 3) .canesta is meant and has used an infrared light supply to illuminate the zone that black light is arranged, and measures bright dipping then and is mapped to the object of outside and finally turns back to time of cmos detector from projector (in the imager back).By using the hardware unit on the cmos chip, the machine vision algorithm can calculate the distance of each point of this zone and work stall, and this is to calculate accurately from essence.Certainly also have a lot of various distance-finding methods to adopt.
Each module used in the present invention and each components and parts can increase and decrease according to designing requirement, and various functions also can add or reduce according to designing requirement.The circuit diagram that each accompanying drawing of the present invention indicated and program flow diagram can be according to the different and changes of the element of designing requirement and use.
As mentioned above,, describe most preferred embodiment of the present invention in detail, still, should not think that design of the present invention only only limits to each above-mentioned embodiment with reference to each accompanying drawing.Those skilled in the art, inspiration by the various embodiments described above design, be not difficult various improvement, change or replacement are made in long lift non-volatile storage chip of the present invention raising inside or external memory storage system in service life, and be applied in the various accumulator systems.Therefore, these improvement, change or replacement should not thought to have broken away from design of the present invention or appended claims institute restricted portion.
Claims (8)
- One kind one or more be installed in the auto body outside, can arrive height during use above car roof, towards vehicle front or towards the physical construction and the circuit of the camera of a plurality of directions picked-up images, comprise: camera, transmission cable, telltale: it is characterized in that, also comprise: be installed in the camera that the camera strut bar is arranged outside the vehicle body; 2. physical construction according to claim 1 and circuit is characterized in that, comprise making camera reach single-unit or multi-node camera strut bar above the car roof height when using.
- 3. physical construction according to claim 1 and circuit, it is characterized in that, comprise that base can electronic left rotation and right rotation and/or the camera strut bar base can electronic height regulated of strut bar, and/or manual left rotation and right rotation in the compartment or outside the compartment, and/or strut bar can be in the compartment or outside the compartment the manual camera strut bar base regulated of height, and/or fixing unadjustable direction camera strut bar base, and/or fixing uncontrollable camera strut bar.
- 4. physical construction according to claim 1 and circuit, it is characterized in that, comprising can electronic left rotation and right rotation, and/or can electronicly face upward the camera bearing of bowing and regulating, and/or manual left rotation and right rotation in the compartment or outside the compartment, and/or can manually face upward the camera bearing of bowing and regulating in the compartment or outside the compartment, and/or fixing unadjustable direction camera bearing, and/or fixing unadjustable direction camera.
- 5. physical construction according to claim 1 and circuit, it is characterized in that, be included in the more piece camera strut bar that can electronicly carry out telescopic adjustment, and/or can manually carry out the more piece camera strut bar of telescopic adjustment in the compartment or outside the compartment, and/or a picture strut bar is fastened in uncontrollable over-borrowing.
- 6. physical construction according to claim 1 and circuit is characterized in that, comprise preventing sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit.
- 7. physical construction according to claim 1 and circuit, it is characterized in that, comprise and prevent sunlight direct irradiation damage camera sensitive chip detector physical construction and circuit, comprise: photosensor and/or thermometric device: photosensor sunlight direct irradiation photosensitive device: photosensor electric current, voltage detecting circuit: and/or temperature sensing circuit, sunlight strength master cock circuit.
- 8. physical construction according to claim 1 and circuit is characterized in that, when preventing that sunlight direct irradiation damage camera sensitive chip detector from carrying out computer programs process, comprise the following steps:Read the strong and weak data of optical signal that each photosensor receives, the perhaps electric current that under solar radiation, produces of photoemissive element, whether voltage data: calculating has light source direct irradiation camera lens, the intensity of light source irradiation and temperature: judge whether the intensity of light source irradiation and temperature can burn the pick up camera sensitive chip: if judge that through calculating sunlight can burn the pick up camera sensitive chip, then actuating motor change camera lens towards, avoid sunlight direct irradiation camera lens, perhaps before camera lens, cover the filter glass mirror in order to avoid sunlight burns camera: if can not burn the pick up camera sensitive chip through calculating, then do not deal with, turn back to the initiated process stage.
- 9. physical construction according to claim 1 and circuit is characterized in that, to preventing because automobile superelevation and front obstacle knock when carrying out computer programs process, comprise the following steps:Pickup image: automobile dead ahead bulk noncombustibility volume image in the image of search picked-up: judge whether the dead ahead has the bulk object: when sometimes, bulk object position height distance is measured: whether influence ride safety of automobile and differentiate: call prompting, stop, report to the police, self-actuating brake program: start the rearview camera pickup image: search dead aft automobile image: judge whether the dead aft has automobile: when not having automobile, directly enter brake, alert program: (14) are measured distance between rear automobile and self automobile when automobile: whether square automobile is influenced self automobile emergency brake safety differentiate: starting brake and/or alert program.
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CNA2008100541191A CN101428590A (en) | 2008-08-13 | 2008-08-13 | Pick-up head for cars |
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