CN100527180C - Prealarm device for preventing collision passerby when open door of car - Google Patents
Prealarm device for preventing collision passerby when open door of car Download PDFInfo
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- CN100527180C CN100527180C CNB2005101145117A CN200510114511A CN100527180C CN 100527180 C CN100527180 C CN 100527180C CN B2005101145117 A CNB2005101145117 A CN B2005101145117A CN 200510114511 A CN200510114511 A CN 200510114511A CN 100527180 C CN100527180 C CN 100527180C
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Abstract
A vehicle pre-alarm device for danger of door-opening is featured as judging whether driver or passenger in car is intended to open door or not by vehicle microprocessor, driving an image identification unit to move for identifying whether there is person or car to pass by or not as well as there are person or car to pass at back for ensuring safety, also enabling to make direction lamps be flashed when door lock is opened for providing pre -alarm for car and person coming from rear.
Description
Technical field
The invention relates to a kind of automobile-used prior-warning device, refer to that especially a kind of being used for can in time provide driver or passenger to note the rear view of vehicle situation when opening car door, avoid causing and sending a car or prior-warning device that the pedestrian causes danger opening car door moment.
Background technology
In crowded city, the height of the density of automobile, locomotive is beyond imagination far away, and the occurrence frequency of traffic hazard also so very high.Because the car on the road enough, no matter so be that the driver of locomotive or automobile is when driving, how it is concentrated on the vehicle in the travels down, and can not be careful the vehicle that is parked in the roadside, therefore considerable traffic hazard is arranged, mostly be because the driver or the passenger of curb parking are not careful back car earlier when opening the door, or whether automobile, motorcyclist are negligent of being careful the vehicle that is parked in the roadside under steam and are ready opening car door and cause.
In view of this, except leading driver or passenger, a surname in the media should open the idea that to add to be careful before the car door in vehicle back in order, the tailstock place of automobile also installs a warning lamp additional, and when passenger in the car or driving human desires driving door, warning lamp can flash to remind back car to note.
Cause these unexpected generations, its responsibility is not to return fully to study carefully the back car driver, the driver or the passenger of desire driving door also must pay close attention to, but not merely think as long as rely on aforesaid method to remind back car, arbitrarily open car door with regard to noting fully.
Yet, no matter be careful on ordinary days driver or passenger, in hasty, always can neglect and be careful little details, therefore, only provide the function of parking flashing light, be not sufficient to ensure when getting off in the car or the outer personnel's of car safety for present vehicle, therefore, to strengthen again for the alarm function that vehicle is opened after parking before the car door, neglect with really will be the time, and the traffic accident accident that causes reduce to minimum because of car door opening.
Summary of the invention
For this reason, the risk early warning device when fundamental purpose of the present invention provides a car door opening can judge and provide interior driver of car or passenger rear that the caution of sending a car is arranged automatically, so can significantly lower the chance that the traffic accident accident takes place.
For reaching aforementioned purpose, the major technique means of taking are to make aforementioned means include:
One microprocessor, it receives the Vehicular status signal group;
One image identification unit, be to comprise an image processor and an image acquisition unit, wherein this image acquisition unit is installed on the car body, the image of certain limit behind shooting car side or the car, and export this image to this image processor, judge whether vehicle or personnel near car door by image processor, and exported judged result to aforementioned microprocessor;
One caution unit is to be installed in the car, receives from drive signal that aforementioned microprocessor sent to move.
Utilize microprocessor to receive Vehicular status signal earlier, to judge driver or the passenger intention of whether getting off, after defining the intention of getting off, this image identification unit promptly captures the image of car side and car rear certain limit, by image processor this image is judged whether the rear sends a car near vehicle, if have, then microprocessor can be obtained this judged result, and drive this caution unit, note with driver or passenger in the prompting car, so promptly before not opening car door, initiatively remind to open and to add to be careful before the car door, carefully.
Aforementioned vehicle status signal group comprises vehicle speed signal, gear signal, engine signal, car door lock signal and securing band signal at least.
Aforementioned caution unit can be a sound prompt device, a cresset suggestion device or both coexistences.
The present invention can further control the indicator on the vehicle, when microprocessor receives Vehicular status signal and judges driver or passenger and get off intention, the indicator of i.e. control and driver or passenger's desire driving door homonymy flashes, and gives the early warning of people from rear, car desire driving door.
The present invention can further control the driver element of car door both sides rearview mirror, when microprocessor receives Vehicular status signal and judges driver or passenger and get off intention, promptly driving rearview mirror does to rotate on a large scale, make the driver confirm in detail that the rear does not really have and send a car, avoid failing to notice people from rear car because of visual dead angle.
Beneficial effect of the present invention is: prealarm device for preventing collision passerby when open door of car of the present invention except that can be in car driver and passenger drive to provide in front of the door the scanning of rearview mirror full angle with reach vision zero dead angle, whether send a car at identification rear, image identification unit with the people, also can send information warning to back car and pedestrian, so can fully give passenger and back car driver information warning in the car, to guarantee traffic safety.
Description of drawings
Fig. 1 is the concrete calcspar of implementing of the present invention;
Fig. 2 is the process flow diagram of the present invention's first function;
But Fig. 3 is an image identification of the present invention unit installation position synoptic diagram;
Fig. 4 is the identification scope synoptic diagram of image identification of the present invention unit;
Fig. 5 is the identification scope and the state of alert synoptic diagram of image identification of the present invention unit;
Fig. 6 is the process flow diagram of the present invention's second function;
Fig. 7 is the process flow diagram of the present invention's the 3rd function.
The main element symbol description:
10: microprocessor
20: image identification unit 21: image processor
22: image acquisition unit 221: video capture device
30: caution unit 31: sound prompt device
32: the cresset suggestion device
40: Vehicular status signal group 41: vehicle speed signal
42: gear signal 43: the engine signal
44: car door lock signal 45: the securing band signal
50: rearview mirror driver element 60: indicator
70: acquisition scope 71: the caution zone
72: back mirror
Embodiment
The concrete enforcement calcspar of the risk early warning device during about car door opening of the present invention, see also shown in Figure 1, it is the signal that receives from an image identification unit 20 and a car internal state signal group 40 by a microprocessor 10, and send drive signal and give a caution unit 30, a rearview mirror driver element 50 and direction of traffic lamp 60, wherein:
The input end of this microprocessor 10 is to be connected with car internal state signal group 40 with this image identification unit 20, and output terminal then is connected with direction of traffic lamp 60 with this caution unit 30, a rearview mirror driver element 50;
This image identification unit 20 is to comprise an image processor 21 and an image acquisition unit 22, this image acquisition unit 22 is to be installed in optional position on the car body, for example be installed on the back mirror, Vehicular side body or body tail be like the position shown in Fig. 3, to photograph certain limit image behind car side or the car, in the present embodiment, this image acquisition unit 22 comprises two video capture devices 221, can be installed on the both sides back mirror 72, as shown in Figure 4 respectively;
This caution unit 30 can be a sound prompt device 31, a cresset suggestion device 32 or both coexistences, in the present embodiment, caution unit 30 is to comprise this sound prompt device 31 and cresset suggestion device 32, sends a car in order to warning prompt driver or passenger rear, opens the door after should adding to note again;
This Vehicular status signal group 40 comprises vehicle speed signal 41, gear signal 42, engine signal 43, car door lock signal 44 and securing band signal 45.
Below only be described further with regard to the motion flow of its circuit block diagram of the invention described above risk early warning device, at first see also shown in Figure 2, it is the process flow diagram of the present invention's first function, when carrying out first function, at first this microprocessor 10 can judge whether present vehicle is in low speed driving or halted state 80, its judgment mode can be judged the present speed of a motor vehicle by vehicle speed signal and whether be lower than 5km/hr, or whether gear enters the parking file, also or engine whether close.After the judgement vehicle was about to or has been in halted state, interior driver or the passenger of car this moment promptly had the intention of getting off; Whether all be opening 81 and judge that the passenger at what side seat desires to open car door by detecting car door lock on the same seat and securing band again, and then activation image identification unit 82, make image acquisition unit 22 pick-up images of this side and be sent to image processor 21, carry out image discriminatory analysis 83 by image processor 21, and judged result inputed to microprocessor 10, this microprocessor 10 promptly judges according to this judged result whether rear view of vehicle has people's car to enter security area 84, if not, then finish detecting 88; If judge the rear people's car is arranged, then this microprocessor 10 can send order in real time to activate caution unit 85, making sound prompt device 31 send voice suggestion warns the passenger rear of desiring to get off to send a car, and with seasonal cresset suggestion device 32 flash caution cressets, driver or passenger note in the prompting car.In the caution process, microprocessor 10 will continue to judge whether vehicle is in mobile status or whether caution surpassed for ten seconds 86, surpassed for ten seconds when the caution time, or microprocessor 10 detects vehicle and is in mobile status (surpass 5km/hr) once again, and microprocessor 10 will cut out caution unit 87 immediately and finish detecting 88 this moment.
From the above, the present invention can detect in the car driver or the passenger intention of whether getting off really automatically, and it is approaching to have judged whether immediately to send a car before opening car door, then initiatively sound or the cresset caution if having, remind the occupant to notice really after the vehicle condition that row is opened car door again, guarantee own and other people safety.
In addition, the present invention has more second function, see also shown in Figure 6, its flow process is roughly the same with first function, judge earlier all whether vehicle is in low speed or the halted state 90, if then further whether all be opening 91 by car door lock and the securing band of detecting on the same seat, if, then microprocessor 10 soon sends the rearview mirror driver element 50 that a signal gives homonymy, drive rearview mirror and do large-scale rotation 92,, avoid having can't see and send a car approachingly by watching the rearview mirror in the action and then grasping the vehicle condition at car rear exactly for the driver, cause accident because of visual dead angle; In rearview mirror scan period, microprocessor 10 will continue detecting vehicle and whether be in mobile status 93, be in mobile status once again when (surpassing 5km/hr) when detecting vehicle, this microprocessor 10 will send the rearview mirror driver element 50 that a signal gives homonymy immediately, drive rearview mirror involution original position soon 94 and finish detecting 96; If do not move at rearview mirror scan period vehicle, then rearview mirror is finished and is rotated back involution original position 95 and finish detecting 96.
Again from the above, the present invention is except sending a car before can judging and warn the occupant automatically and noting opening the door, driver or passenger also can be during the rotations on a large scale of vehicle side rearview mirror in the preceding seat coach, by watching rearview mirror approaching whether to send a car in the outer bigger visual line of sight of the car that judges rightly, so, promptly can promote the safety of driving door and getting off more.
Above binomial function all is to note the alarm function of people from rear car when driving at the occupant, right the present invention near vehicle send a car or the pedestrian also provides one to inform that initiatively car door is about to the caution cresset of unlatching, note for back car or pedestrian, to reach dual caution effect, see also as shown in Figure 7, be the process flow diagram of the 3rd function provided by the present invention, its flow process is roughly the same with first function, judge earlier all whether vehicle is in low speed or the halted state 100, if then further whether all be opening 101 by car door lock and the securing band of detecting on the same seat, and judge whether to desire to open car door 102 for the passenger at seat, left side, if, then microprocessor 10 soon sends indicator 60 that a signal gives the left side with flicker left direction lamp 103, and back car or pedestrian are done the prompting warning; If not, promptly be represented as the right side car door and be about to be unlocked, so control right direction lamp flicker 104.At control indicator 60 scintillation durations, microprocessor 10 will continue to judge whether vehicle is in mobile status or whether indicator 60 flickers surpassed for ten seconds 105, surpassed for ten seconds when the caution time, or microprocessor 10 detects vehicle and is in mobile status (surpass 5km/hr) once again, microprocessor 10 this moment closing direction lamp 106 and finish detecting 107 immediately.
From the above, risk early warning device during car door opening of the present invention except that can be in car driver and passenger drive to provide in front of the door the scanning of rearview mirror full angle with reach vision zero dead angle, whether send a car at identification rear, image identification unit with the people, also can send information warning to back car and pedestrian, so can fully give passenger and back car driver information warning in the car, to guarantee traffic safety.
In sum, the present invention compares existing car door safety check system and has obvious improvement, and meets the patented claim important document, and the spy mentions application in accordance with the law.
Claims (8)
1. prealarm device for preventing collision passerby when open door of car is characterized in that comprising:
One microprocessor, its input end receives Vehicular status signal, described Vehicular status signal comprises vehicle speed signal, gear signal, engine signal, car door lock signal and securing band signal at least, and be connected to the driver element of a vehicle side rearview mirror, make this rearview mirror do one to rotate on a large scale to drive this driver element action;
One image identification unit, be to comprise an image processor and an image acquisition unit, wherein this image acquisition unit is installed on the car body, the image of certain limit behind shooting car side or the car, and export this image to this image processor, judge whether vehicle or personnel near car door by image processor, and exported judged result to aforementioned microprocessor;
One caution unit is to be installed in the car, receives the drive signal from aforementioned microprocessor sent;
Above-mentioned microprocessor is the judged result according to Vehicular status signal and image identification unit, judges before the vehicle interior personnel are about to open car door, drives the driver element of this caution unit and vehicle side rearview mirror.
2. prealarm device for preventing collision passerby when open door of car as claimed in claim 1 is characterized in that, described microprocessor connects the indicator of vehicle, flashes with the driving direction lamp.
3. as each described prealarm device for preventing collision passerby when open door of car in claim 1 or 2, it is characterized in that described caution unit is a sound prompt device.
4. prealarm device for preventing collision passerby when open door of car as claimed in claim 1 or 2 is characterized in that, described caution unit is a cresset suggestion device.
5. prealarm device for preventing collision passerby when open door of car as claimed in claim 3 is characterized in that, described caution unit also comprises a cresset suggestion device.
6. prealarm device for preventing collision passerby when open door of car as claimed in claim 1 is characterized in that, described image acquisition unit comprises two video capture devices, is installed in respectively on the back mirror of automobile both sides.
7. prealarm device for preventing collision passerby when open door of car as claimed in claim 1 is characterized in that described image acquisition unit comprises a plurality of video capture devices, is installed in the Vehicular side body of automobile respectively.
8. as claim 1 or 7 described prealarm device for preventing collision passerby when open door of car, it is characterized in that described image acquisition unit comprises a plurality of video capture devices, be installed in the body tail of automobile respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101145117A CN100527180C (en) | 2005-10-24 | 2005-10-24 | Prealarm device for preventing collision passerby when open door of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101145117A CN100527180C (en) | 2005-10-24 | 2005-10-24 | Prealarm device for preventing collision passerby when open door of car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1956018A CN1956018A (en) | 2007-05-02 |
| CN100527180C true CN100527180C (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101145117A Active CN100527180C (en) | 2005-10-24 | 2005-10-24 | Prealarm device for preventing collision passerby when open door of car |
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| CN (1) | CN100527180C (en) |
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| DE102011076340A1 (en) * | 2011-05-24 | 2012-11-29 | Robert Bosch Gmbh | Method and device for warning road users |
| CN103287365A (en) * | 2012-02-28 | 2013-09-11 | 上海工程技术大学 | Method for controlling safely door-opening system of automobile and based on infrared detection |
| DE112013002651T5 (en) * | 2012-05-22 | 2015-02-26 | Trw Automotive U.S. Llc | Method and device for the free-handed opening of a door |
| CA2891650A1 (en) * | 2012-11-20 | 2014-05-30 | Learjet Inc. | Optical viewing apparatus for aircraft doorway |
| CN104228714A (en) * | 2013-06-14 | 2014-12-24 | 华创车电技术中心股份有限公司 | Method for providing parking images |
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| CN110641360B (en) * | 2018-06-26 | 2021-07-09 | 比亚迪股份有限公司 | Method and device for reminding vehicle door opening, storage medium and vehicle |
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| JP7410764B2 (en) * | 2020-03-18 | 2024-01-10 | 本田技研工業株式会社 | Vehicle control device, vehicle control method, and vehicle control program |
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-
2005
- 2005-10-24 CN CNB2005101145117A patent/CN100527180C/en active Active
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| CN1956018A (en) | 2007-05-02 |
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