CN106023513A - Redundant smog detector and system - Google Patents
Redundant smog detector and system Download PDFInfo
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- CN106023513A CN106023513A CN201610472223.7A CN201610472223A CN106023513A CN 106023513 A CN106023513 A CN 106023513A CN 201610472223 A CN201610472223 A CN 201610472223A CN 106023513 A CN106023513 A CN 106023513A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
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Abstract
The invention belongs to the fire alarm detection technology field and provides a redundant smog detector and a system. The redundant smog detector comprises controllers connected with a power source portion, a code receiving portion and a code returning portion, wherein the controllers comprise a first controller and a second controller, the first controller is connected with a first smog sensing portion, and the second controller is connected with a second smog sensing portion; for the system, the redundant smog detector is in hitched with a bus, the bus is connected with a first general controller and a second general controller, the first general controller comprises a first system control portion and a first code transceiving portion, the second general controller comprises a second system control portion and a second code transceiving portion, and the first code transceiving portion and the second code transceiving portion are respectively connected with the bus. According to the redundant smog detector and the system, problems that multiple complex conditions can not be satisfied by a smog detector in the prior art, a damage rate is high, service life is short, error reports constantly occur, detection precision seriously decreases as time goes by, and the system facing various situations can not work normally are solved.
Description
Technical field
The invention belongs to fire alarm Detection Techniques field, relate to a kind of smoke detector with redundancy feature
With the smoke detection system with dual multi-level redundancy feature.
Background technology
Smoke detector, another name fire hazard aerosol fog alarm, Smoke Sensor, smoke sensing device etc..Fire at present
Fire detector divides main thoughts cigarette formula, temp sensing type, photosensitizing type (flame detecting from the physical and chemical process of detection
Formula), sense gas type (CO etc.) four big class；In order to improve warning accuracy, reduce wrong report, basis at this
On occur in that the combined type detector that smoke-temperature sensing, photosensitive sense gas are combined.From the detection of fire detector
Scope is divided mainly point-type and line style two kinds, and point type fire detector is to use a Miniature Sensor response outstanding
Solid that the burning floated near about in air and/or pyrolysis produce or a kind of detection of liquid particle
Device.
Wide smoke fire detector is applied to have ion smoke detector to detect with photoelectric smoke
Device two kinds.Having a smoke detection room in photoelectric smoke detector, be commonly called as optics labyrinth, it is provided with
Infrared tube, time smokeless, infrared receiving tube can not receive the infrared light that infrared transmitting tube sends, when flue dust enters light
When learning labyrinth, by refraction, reflection, receiving pipe and receive infrared light, whether intelligent alarm circuit judges surpasses
Cross threshold value, if it exceeds send alarm.
Just can not work after the infrared tube of smoke detector of the prior art or control circuit infringement, though
So smoke detector controller after infringement is capable of detecting when, thus reminds staff to change, but for core
Smoke detector in power station, it is considered to the interior long period of arriving at a station can not someone pass in and out, and core stronger in standing
The component of smoke detector also can be worked the mischief by radiation, therefore to the loss ratio of smoke detector with make
The requirement of higher level time is proposed with the life-span, and, between in smoke detector, infrared tube is long the most not
Knocking off work, its accuracy of detection also can seriously reduce, and can reach the irreparable degree of software mode, the opposing party
Face, for the smoke detector in nuclear power station station, also frequently occurs that stronger radioprotective causes smoke detection
The phenomenon of device wrong report, the most necessary design is a disclosure satisfy that Various Complex operating mode, and loss ratio is low, make
Using the life-span long, do not have wrong report, accuracy of detection will not seriously reduce.On the other hand, for smoke detection
The control of device, in prior art, is there is bus broken circuit, short circuit and controller event in smoke detection control system
After barrier, just can not keep the carrying out of smoke detector normally, thus cause bigger potential safety hazard.
Summary of the invention
The present invention proposes redundancy smoke detector and system, and solving smoke detector in prior art can not expire
Foot Various Complex operating mode, loss ratio is high, service life is short, wrong report often occurs, accuracy of detection can along with time
Between increase serious reduction, system is in the face of the problem of various situations just cisco unity malfunction.
The technical scheme is that and be achieved in that:
Redundancy smoke detector, including
The controller being all connected with power pack, receipts code part, time code part, described controller includes mutually
The first controller connected and second controller, described first controller and the first sense cigarette part connect, described
Second controller and the second sense cigarette part connect,
Described first sense cigarette part includes that the first transmitting tube and first receives pipe, and first receives pipe by the first letter
Number amplifying circuit is connected with described first controller,
Described second sense cigarette part includes that the second transmitting tube and second receives pipe, and second receives pipe by the second letter
Number amplifying circuit is connected with described second controller,
Described first transmitting tube, described first receive pipe, described second transmitting tube, described second reception pipe in
Cross arrangement is arranged in the cross ramp way in labyrinth.
As further technical scheme, described first controller is by photo-coupler and described second controller
Connecting, described photo-coupler includes photo-coupler one and photo-coupler two, the input of described photo-coupler one
Be connected with described second controller, outfan is connected with described first controller, described photo-coupler two defeated
Enter end be connected with described first controller, outfan is connected with described second controller,
The model of described first controller and second controller is HT45F23A20P.
As further technical scheme, also include the automatic encoding part being connected with described controller, described
Automatic encoding part includes the first coding circuit and the second coding circuit,
Described first coding circuit includes audion one, audion two, metal-oxide-semiconductor one, described audion one
B pole is connected with described first controller, and C pole is connected with the B pole of described audion two, E pole and described three poles
The E pole of pipe two connects, and the C pole of described audion two is connected with described metal-oxide-semiconductor one,
Described second coding circuit includes audion three, audion four, metal-oxide-semiconductor two, described audion three
B pole is connected with described second controller, and C pole is connected with the B pole of described audion four, E pole and described three poles
The E pole of Guan Si connects, and the C pole of described audion four is connected with described metal-oxide-semiconductor two,
Described metal-oxide-semiconductor one is connected with described metal-oxide-semiconductor two,
Described metal-oxide-semiconductor one and described metal-oxide-semiconductor two model are HAT1055R.
As further technical scheme, also include bus short circuit detection part, described bus short circuit test section
Divide and include the first bus short circuit testing circuit and the second bus short circuit testing circuit, described first bus short circuit inspection
Slowdown monitoring circuit and described second bus short circuit testing circuit connect with described metal-oxide-semiconductor one and described metal-oxide-semiconductor two respectively
Connect.
As further technical scheme, also include that temperature-sensitive part, described temperature-sensitive part include the first temperature-sensitive electricity
Resistance and the second critesistor, described first critesistor and described second critesistor are controlled with described first respectively
Device processed and described second controller connect.
As further technical scheme, also include that the fever writes plug-in unit, the fire alarm that are connected with described controller refer to
Show LED.
The present invention also proposes redundancy smoke detection system, including
Described redundancy smoke detector, described redundancy smoke detector is articulated in bus, the two of described bus
End is connected with the first master control and the second master control respectively,
Described first master control includes that the first system controls part and control with described the first system that part is connected the
One transmitting-receiving code part, described second master control include second system control part and with described second system control portion
Point the second transmitting-receiving code part connected, described first transmitting-receiving code part, described second transmitting-receiving code part are all and institute
State bus to connect,
As further technical scheme, described the first system control part include a CPU, latch,
Bidirectional isolator, isolator, trigger one, trigger two, FLASH mono-, FLASH bis-, decoder,
Communication chip,
A described CPU and described latch, described bidirectional isolator, described isolator, described communication
Chip is all connected with,
Described latch, described bidirectional isolator, described isolator all with described FLASH mono-, described FLASH
Two connect, and described bidirectional isolator is also all connected with described trigger one, described trigger two,
The model of a described CPU is SM59264, and the model of described latch is MM74HCT373,
The model of described bidirectional isolator is MM74HC245A, and the model of described isolator is 74HCT244, institute
The model stating trigger one is MM74HC273, and the model of described trigger two is MM74HC273, described
The model of FLASH mono-is 62256, and the model of described FLASH bis-is 29SF040A, described decoder
Model is 74HCT138, and the model of described communication chip is SD2405,
Described second system controls part circuit structure and is same as described the first system control part.
As further technical scheme, described first transmitting-receiving code part includes audion five, described audion
The B pole of five by relay part and described the first system control part be connected, E pole and described trigger two
Connecting with photo-coupler three, described photo-coupler three is through audion six and electrical switch one and V signaling circuit
Connect with V signaling circuit, described V signaling circuit and described V signaling circuit with two-wire system mode with described always
Line connects.
As further technical scheme, also include all controlling the reset electricity that part is connected with described the first system
Road, communicating circuit, liquid crystal LCD, acoustics circuit, vehicle mounted communication interface, key circuit, LED instruction.
Use principle of the present invention and having the beneficial effect that
1, in the present invention, one piece of PCB is provided with the first separate controller and second controller, the
One controller and second controller control the first sense cigarette part and the second sense cigarette part respectively, and first controls
Data communication can be carried out by photo-coupler one and photo-coupler two between device, second controller thus realize
Multiple-working mode, can the first sense cigarette part and the second sense cigarette part work simultaneously, but point principal and subordinate, wherein
One keeps operation detection to go out concrete on fire, and another is confirmed, both meet condition side simultaneously and assert fire,
Thus reduce wrong report；Can also both separated in time alternations, one of them can standby have a rest,
Thus well keep the first sense cigarette part and the accuracy of detection of the second sense cigarette part, extend both make simultaneously
Use the life-span；Or first two mode combines, the first sense cigarette part and the second sense cigarette part divide principal and subordinate, Er Qiejin
Row is alternately；After in the first sense cigarette part and the second sense cigarette part, one of them breaks down, another one is just made
It is main sense cigarette part, is persistently operated, therefore by the redundancy between the first controller and second controller
Mating reaction, just can under a plurality of modes of operation, by the first sense cigarette part in smoke detector and the second sense
Detection and the continuous firing of cigarette part well combine, such that it is able to for meeting various complex working condition
It is delayed detection demand, about one times will be extended service life simultaneously, any fire alarm can be met on-the-spot, special
It not to meet to require extremely harsh operating mode in nuclear power station station, on this basis, the most well achieve wrong report
Eliminating, equipment damage rate, the reduction of fault rate, and the growth that accuracy of detection is over time also can't
There is significantly reduction.
2, in the present invention, the first transmitting tube, the first reception pipe, the second transmitting tube, the second reception pipe are cross
Arranging and be inclined in labyrinth, in four passages being i.e. arranged on labyrinth, channel inner surface is smooth
Face, can more preferable transmission ray, the first transmitting tube, the first focus receiving pipe extended line are first sensitive
District, the second transmitting tube and the second focus receiving pipe extended line are the second sensitive volume, the first sensitive volume and second
Sensitive volume is overlapping or partly overlaps, it is possible to achieve preferably smoke detection effect.
3, in the present invention, automatic encoding part can carry out address successively to the first controller and second controller
Coding, i.e. encodes respectively to the first sense cigarette part and the second sense cigarette part, and the first coding circuit is to first
Sense cigarette part carries out automatic encoding, and the second coding circuit carries out automatic encoding to the second sense cigarette part, after coding,
Redundancy detector can be facilitated to carry out detecting control and malfunction coefficient by the control system that bus correspondence connects,
Realize the most remotely managing.
4, in the present invention, bus short circuit detection part can detect that two-wire system data are held concurrently the total of power line in real time
Line is whether to be short-circuited, if being short-circuited, will feedback control system carry out the control of other mode from
And still keep normal duty, thus realize more preferable fault adaptability, improve serious forgiveness.
5, in the present invention, outside the first sense cigarette part and the second sense cigarette Partial coordination work, also with the first temperature-sensitive electricity
Resistance and the second critesistor coordinate work, can preferably be realized respectively with temperature-sensitive dual redundant by sense cigarette
Plant mode of operation, thus improve detection accuracy and service life further, reduce rate of false alarm and fault further
Rate.
6, the present invention also has fever writes plug-in unit and fire alarm indication LED, therefore, it is possible to carry out artificial geocoding
Taking with data storage, fire alarm indication LED can indicate that detector duty, by the most glittering the most permissible
Instruction equipment working state.
7, in the present invention, first transmitting-receiving code part front end be audion five, photo-coupler three, audion six,
The upper electrical switch that electrical switch one is constituted, realizes whether carrying out signaling by whether powering on, and i.e. determines it is the
One transmitting-receiving code part signaling, or the second transmitting-receiving code part signaling, both one of them as main system control
Continuing signaling to bus, another one controls to carry out auxiliary monitoring as from system, thus realizes the most harmonious
The Redundant Control coordinated and do not affect mutually, and receive and dispatch code and formed by two kinds of level of 12V and 24V
Matrix ripple is operated, and can not only be operated the power supply of voltage, it is possible to realize communication, therefore may be used
To be simplified by whole communication system, thus improve work efficiency, reduce the probability of device fails.
8, the present invention is after bus broken circuit, a master control fault, remains able to continue to keep normal operating conditions,
First master control and the second master control divide again principal and subordinate to be operated the while of the most hot standby, and both show that content is consistent,
Redundancy smoke detector is connected in parallel in bus, and after powering on, main master control controls detection bus and carries out signaling, from always
Control detection bus signals carry out receive code, when bus broken circuit, do not receive data from master control, the first master control and
Second total stool control mode works simultaneously, and the detector controlling off position the right and left respectively is operated；When one
After control system fault, another total stool control mode is operated as main master control；On the other hand, even if in bus
The detector of mounting damages, because it is redundancy smoke detector, and the first sense cigarette part or the second sense cigarette
Part, infringement all can not affect it and normally works, thus can realize detector position point redundancy and
Whole control system and comprehensive redundancy of bus, multi-level redundancy is such that it is able to preferably tackle various complexity
Detection operating mode.
9, in the present invention, redundancy smoke detector can also be connected in bus, the most just can be implemented in total
During line short circuit, remain able to normally work, thus improve the redundancy level of system.
10, in the present invention, transmitting-receiving code part just can be completed by two buses, 12V signaling circuit and 24V
Signaling circuit cooperates and carries out signaling, advanced coding, decoding technique and software filtering technology, it is possible to have
The suppression external interference signal of effect, so that the first master control and the second master control can reach perfectly to coordinate, with
And high dependable with function.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is redundancy smoke detector wire schematic diagram in the present invention；
Fig. 2 is redundancy smoke detection system wire schematic diagram in the present invention；
Fig. 3 is middle controller circuit theory diagrams of the present invention；
Fig. 4 is the first sense cigarette part and the second sense cigarette partial circuit schematic diagram in the present invention；
Fig. 5 is automatic encoding partial circuit schematic diagram in the present invention；
Fig. 6 is labyrinth structure schematic diagram in the present invention；
Fig. 7 is that in the present invention, the first system controls partial circuit schematic diagram；
Fig. 8 is the first transmitting-receiving code partial circuit schematic diagram in the present invention；
Fig. 9 is reset circuit circuit theory diagrams in the present invention；
Figure 10 is communicating circuit circuit theory diagrams in the present invention；
Figure 11 is liquid crystal LCD circuit theory diagrams in the present invention；
Figure 12 is sound equipment circuit schematic diagram in the present invention；
Figure 13 is vehicle mounted communication interface circuit schematic diagram in the present invention；
Figure 14 is repeat circuit partial circuit schematic diagram of the present invention；
Figure 15 is key circuit and LED indicating circuit schematic diagram in the present invention；
In figure: 1-redundancy smoke detector, 12-power pack, 131-receives code part, and 132-returns a yard part, 14-
Controller, 141-the first controller, 142-second controller, 15-first feels cigarette part, 151-the first transmitting tube,
152-first receives pipe, 153-the first signal amplification circuit, and 16-second feels cigarette part, 161-the second transmitting tube,
162-second receives pipe, 163-secondary signal amplifying circuit, 17-labyrinth, 171-cross ramp way, 18-light
Bonder, 181-photo-coupler one, 182-photo-coupler two, 19-automatic encoding part, 191-first encodes electricity
Road, 1911-audion one, 1912-audion two, 1913-MOS pipe one, 192-the second coding circuit, 1921-
Audion three, 1922-audion four, 1923-MOS pipe two, 110-bus short circuit detection part, 1101-the
One bus short circuit testing circuit, 1102-the second bus short circuit testing circuit, 111-temperature-sensitive part, 1111-first
Critesistor, 1112-the second critesistor, 112-fever writes plug-in unit, 113-fire alarm indication LED, 2-bus,
3-the first master control, 31-the first system controls part, 311-the oneth CPU, 312-latch, the two-way isolation of 313-
Device, 314-isolator, 315-trigger one, 316-trigger two, 317-FLASH mono-, 318-FLASH
Two, 319-decoder, 310-communication chip, 32-first receives and dispatches code part, 321-audion five, 322-light
Bonder three, 323-audion six, 324-electrical switch one, 325-24V signaling circuit, 326-12V signaling
Circuit, 4-the second master control, 41-second system controls part, and 42-second receives and dispatches code part, 5-relay part,
61-reset circuit, 62-communicating circuit, 63-liquid crystal LCD, 64-acoustics circuit, 65-vehicle mounted communication interface, 66-
Key circuit, 67-LED indicates.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
As shown in Fig. 1, Fig. 3～Fig. 6, the redundancy smoke detector that the present invention proposes, including
The controller 14 being all connected with power pack 12, receipts code part 131, time code part 132, controller
14 include interconnective first controller 141 and second controller 142, the first controller 141 and first
Sense cigarette part 15 connects, and second controller 142 is connected with the second sense cigarette part 16,
First sense cigarette part 15 includes that the first transmitting tube 151 and first receives pipe 152, and first receives pipe 152
It is connected with the first controller 141 by the first signal amplification circuit 153,
Second sense cigarette part 16 includes that the second transmitting tube 161 and second receives pipe 162, and second receives pipe 162
It is connected with second controller 142 by secondary signal amplifying circuit 163,
First transmitting tube 151, first receives pipe the 152, second transmitting tube 161, second and receives pipe 162 in ten
Word arrangement is arranged in the cross ramp way 171 in labyrinth 17.
Further, the first controller 141 is connected with second controller 142 by photo-coupler 18, optical coupling
Device 18 includes photo-coupler 1 and photo-coupler 2 182, the input of photo-coupler 1 and second
Controller 142 connects, outfan and the first controller 141 connect, the input of photo-coupler 2 182 with
First controller 141 connects, outfan is connected with second controller 142,
In the present invention, one piece of PCB is provided with the first separate controller 141 and second controller
142, the first controller 141 and second controller 142 control the first sense cigarette part 15 and the second sense cigarette respectively
Part 16, and photo-coupler 1 between the first controller 141, second controller 142, can be passed through
Carry out data communication with photo-coupler 2 182 thus realize multiple-working mode, can the first sense cigarette part 15
Work with the second sense cigarette part 16 simultaneously, but point principal and subordinate, one of them keeps operation detection to go out concrete on fire, separately
One is confirmed, both meet condition side simultaneously and assert fire, thus reduce wrong report；Can also be between the two
Every certain time alternation, one of them can standby be had a rest, thus well keeps the first sense cigarette part
15 and second accuracy of detection feeling cigarette part 16, extend both service life simultaneously；Or first two mode
In conjunction with, first sense cigarette part 15 and second sense 16 points of principals and subordinates of cigarette part, and carry out alternately；In the first sense
Cigarette part 15 and the second sense cigarette part 16 are after one of them breaks down, and another one is just as main sense cigarette portion
Point, persistently it is operated, is therefore joined by the redundancy between the first controller 141 and second controller 142
Cooperation use, just can under a plurality of modes of operation, by the first sense cigarette part 15 and the second sense in smoke detector
Detection and the continuous firing of cigarette part 16 well combine, such that it is able to be used for meeting various complex working condition
Delay detection demand, about one times will be extended service life simultaneously, any fire alarm can be met on-the-spot,
Require extremely harsh operating mode in particularly meeting nuclear power station station, on this basis, the most well achieve by mistake
The eliminating of report, equipment damage rate, the reduction of fault rate, and also the growth that accuracy of detection is over time is the most not
Have significantly reduction.
In the present invention, the first transmitting tube 151, first receives pipe the 152, second transmitting tube 161, second and receives
Pipe 162 is in cross arrangement and is inclined in labyrinth 17, in four passages being i.e. arranged on labyrinth 17,
Channel inner surface is shiny surface, can more preferable transmission ray, the first transmitting tube 151, first receives pipe 152
The focus of extended line is the first sensitive volume, the second transmitting tube 161 and focus of the second reception pipe 162 extended line
Being the second sensitive volume, the first sensitive volume is overlapping with the second sensitive volume or partly overlaps, it is possible to achieve preferably
Smoke detection effect.
The model of the first controller 141 and second controller 142 is HT45F23A20P.
Further, also including the automatic encoding part 19 being connected with controller 14, automatic encoding part 19 is wrapped
Include the first coding circuit 191 and the second coding circuit 192,
First coding circuit 191 includes audion 1, audion 2 1912, metal-oxide-semiconductor 1,
The B pole of audion 1 is connected with the first controller 141, and C pole connects with the B pole of audion 2 1912
Connecing, E pole is connected with the E pole of audion 2 1912, the C pole of audion 2 1912 and metal-oxide-semiconductor 1
Connect,
Second coding circuit 192 includes audion 3 1921, audion 4 1922, metal-oxide-semiconductor 2 1923,
The B pole of audion 3 1921 is connected with second controller 142, and C pole connects with the B pole of audion 4 1922
Connecing, E pole is connected with the E pole of audion 4 1922, the C pole of audion 4 1922 and metal-oxide-semiconductor 2 1923
Connect,
Metal-oxide-semiconductor 1 is connected with metal-oxide-semiconductor 2 1923,
Metal-oxide-semiconductor 1 and metal-oxide-semiconductor 2 1923 model are HAT1055R.
In the present invention, the first controller 141 and second controller 142 can be carried out by automatic encoding part 19
Geocoding successively, i.e. encodes the first sense cigarette part 15 and the second sense cigarette part 16, first respectively
Coding circuit 191 carries out automatic encoding to the first sense cigarette part 15, and the second coding circuit 192 is to the second sense cigarette
Part 16 carries out automatic encoding, after coding, can facilitate the control that redundancy detector is connected by bus correspondence
System carries out detecting control and malfunction coefficient, it is achieved the most remotely manage.
Further, also including that bus short circuit detects part 110, bus short circuit detection part 110 includes that first is total
Line short-circuit detecting circuit 1101 and the second bus short circuit testing circuit 1102, the first bus short circuit testing circuit
1101 and second bus short circuit testing circuit 1102 respectively with metal-oxide-semiconductor 1 and metal-oxide-semiconductor 2 1923
Connect.
In the present invention, bus short circuit detection part 110 can detect that two-wire system data are held concurrently power line in real time
Bus is whether to be short-circuited, and if being short-circuited, will carry out the control of other mode by feedback control system
Thus still keep normal duty, thus realize more preferable fault adaptability, improve serious forgiveness.
Further, also include that temperature-sensitive part 111, temperature-sensitive part 111 include the first critesistor 1111 and
Two critesistor 1112, the first critesistor 1111 and the second critesistor 1112 respectively with the first controller
141 and second controller 142 connect.
In the present invention, outside the first sense cigarette part 15 and the second sense cigarette part 16 co-ordination, also with the first heat
Quick resistance 1111 and the second critesistor 1112 coordinate work, permissible with temperature-sensitive dual redundant by sense cigarette
Preferably realize various mode of operation, thus improve detection accuracy and service life further, reduce further
Rate of false alarm and fault rate.
Further, fever writes plug-in unit 112, the fire alarm indication LED 113 being connected with controller 14 is also included.
The present invention also has fever writes plug-in unit 112 and fire alarm indication LED 113, therefore, it is possible to carry out artificial address
Coding and data storage take, and fire alarm indication LED 113 can indicate that detector duty, by the most glittering
Just may indicate that equipment working state.
As shown in Fig. 2, Fig. 7～Figure 15, (circuit connection point in Fig. 7～Figure 15 and Fig. 3～Fig. 5 are not carried out
Being connected, for different junction points, the title of the most each component symbol is also with uncorrelated with Fig. 3～Fig. 5), the present invention
Redundancy smoke detection system is also proposed, including
Redundancy smoke detector 1, redundancy smoke detector 1 is articulated in bus 2, and the two ends of bus 2 are respectively
It is connected with the first master control 3 and the second master control 4,
First master control 3 includes that the first system controls part 31 and control with the first system that part 31 is connected the
One transmitting-receiving code part 32, the second master control 4 include second system control part 41 and with second system control part
41 the second transmitting-receiving code parts 42 connected, the first transmitting-receiving code part 32, second receives and dispatches code part 42 all with total
Line 2 connects,
Further, the first system control part 31 includes a CPU311, latch 312, bidirectional isolator
313, isolator 314, trigger 1, trigger 2 316, FLASH 1, FLASH 2 318,
Decoder 319, communication chip 310,
Oneth CPU311 and latch 312, bidirectional isolator 313, isolator 314, communication chip 310
It is all connected with,
Latch 312, bidirectional isolator 313, isolator 314 all with FLASH 1, FLASH bis-
318 connect, and bidirectional isolator 313 is also all connected with trigger 1, trigger 2 316,
The model of the oneth CPU311 is SM59264, and the model of latch 312 is MM74HCT373, double
Being MM74HC245A to the model of isolator 313, the model of isolator 314 is 74HCT244, triggers
The model of device 1 is MM74HC273, and the model of trigger 2 316 is MM74HC273, FLASH
The model of 1 is 62256, and the model of FLASH 2 318 is 29SF040A, the model of decoder 319
For 74HCT138, the model of communication chip 310 is SD2405,
Second system controls part 41 circuit structure and is same as the first system control part 31.
Further, the first transmitting-receiving code part 32 includes audion 5 321, and the B pole of audion 5 321 is passed through
Relay part 5 and the first system control part 31 be connected, E pole and trigger 2 316 and photo-coupler three
322 connect, and photo-coupler 3 322 is electric with 24V signaling through audion 6 323 and electrical switch 1
Road 325 and 12V signaling circuit 326 connects, and 24V signaling circuit 325 and 12V signaling circuit 326 is with two
Line mode is connected with bus 2.
In the present invention, first transmitting-receiving code part 32 front end be audion 5 321, photo-coupler 3 322,
Whether the upper electrical switch that audion 6 323, electrical switch 1 are constituted, realize by whether powering on carrying out
Signaling, i.e. determines it is the first transmitting-receiving code part 32 signaling, or the second transmitting-receiving code part 42 signaling, both
One of them controls to continue signaling to bus as main system, and another one controls to assist as from system
Monitoring, thus realize mutual harmonious cooperation and the Redundant Control not affected mutually, and also receiving and dispatching code is to pass through 12V
The matrix ripple formed with two kinds of level of 24V is operated, and can not only be operated the power supply of voltage,
It is capable of communication, therefore whole communication system can be simplified, thus improve work efficiency, reduce equipment
The probability broken down.
The present invention, after bus broken circuit, a master control fault, remains able to continue to keep normal operating conditions,
Both first master control 3 and the second master control 4 divide again principal and subordinate to be operated the while of the most hot standby, and both show content
Unanimously, redundancy smoke detector 1 is connected in parallel in bus 2, and after powering on, main master control controls detection bus 2 and enters
Row signaling, carries out receiving code from master control detection bus signals, when bus broken circuit, does not receives data from master control,
First master control 3 and the second master control 4 work the most simultaneously, and the detector controlling off position the right and left respectively enters
Row work；When, after a control system fault, another total stool control mode is operated as main master control；The opposing party
Face, even if the detector of mounting damages in bus 2, because it is redundancy smoke detector 1, the first sense
Cigarette part 15 or the second sense cigarette part 16, infringement all can not affect it and normally work, thus can realize detection
The redundancy of device position point and whole control system and comprehensive redundancy of bus, multi-level redundancy thus can
Preferably to tackle the detection operating mode of various complexity.
In the present invention, redundancy smoke detector 1 can also be connected in bus 2, the most just can be implemented in
During bus short circuit, remain able to normally work, thus improve the redundancy level of system.
In the present invention, transmitting-receiving code part just can be completed by two buses, 24V signaling circuit 325 and 12V
Signaling circuit 326 cooperates and carries out signaling, advanced coding, decoding technique and software filtering technology, energy
Enough effective suppression external interference signals, so that the first master control 3 and the second master control 4 can reach perfect
Coordinate, and high dependable with function.
Further, also include all controlling reset circuit 61, the communicating circuit that part 31 is connected with the first system
62, liquid crystal LCD63, acoustics circuit 64, vehicle mounted communication interface 65, key circuit 66, LED instruction 67.
In the present invention, key parameter can only be changed by professional that (password can as required by user voluntarily
Set), for ease of analyzing cause of accident, by key circuit 66 and liquid crystal LCD63, there is event query merit
Can, can inquiry system is occurred in the recent period at any time 1000 bar state information.When using on application and vehicle, car
Carrier communication interface 65 is connected with MVB (MVB).
128x64 liquid crystal LCD63 shows fire information, LED instruction 67 instruction controller duty, tool
Body instruction includes:
[fire alarm] lamp shows have fire alarm to occur time bright.
[fault] lamp shows faulty generation in system time bright.
[noise elimination] lamp shows time bright once to carry out noise reduction operation.
[hands report] lamp shows have manual fire alarm call point to report to the police in system time bright.
[self-inspection] lamp shows time bright that controller is carrying out self-inspection.
[supervision] supervision display lamp, when there is supervision input action, is lighted.
When [sound event] lamp is bright, acousto-optic siren breaks down.
When [sound opens] lamp is bright, acousto-optic siren starts.
[patrolling and examining] lamp shows that controller is currently running time glittering.
[power supply] lamp shows that system is powered normally at present time bright.
[communication is normal] lamp shows time bright that controller system is normal with the communication of host computer.
[communication failure] lamp shows that controller system breaks down with the communication of host computer time bright.
[MVB is normal] lamp shows time bright that controller is normal with the communication of MVB.
[MVB fault] lamp shows the communication failure of controller and MVB time bright.
Key circuit 66, for the realization of various operating functions, specifically includes:
[acoustic control key] is used for Non-follow control fire sound and/or the start and stop of light siren.Click this by
Key, the acoustooptic alarm in system send startup order, then click this button now can be to audible and visible alarm
Device sends ceases and desist order.
[reset key] RESET key is used for system reset.
[acknowledgement key] should press after you complete once to input " confirmation " key add their confirmation could will input number
According to the system of feeding.
[ventil], when there being alert to occur, speaker can send audio alarm, can press ventil and take
Disappear alarm sound；If there being new alert, speaker can re-emit alarm sound.
[self-inspection key] is used for being controlled device self-inspection.Note: at homepage or alert class page when occurring without fire alarm
Could self-inspection under face.
[arranging key] is used for being controlled device system and arranges.Only under homepage, pressing this key could enter
Interface is set.
[shift key] is for response events interface and main interface, inputting interface and main interface, switching position.
[+key] is used for adding 1.
[-key] is used for subtracting 1.
Under homepage, press " setting " key, enter " function selecting " page, press "+" key, "-"
Key selects menu page to be entered, if current selection is " historical record ", after confirming current selection,
Press " confirmation " key and can enter this selection page.
System arrange, device arrange, three menu options of device configuration need to input degree of establishment password "-
+ " (press the most in order "-" key, "+" key) could select.After exiting the page, as need to be again entered
Enter this page, then need to re-enter password.The page has exited two ways: press " function " key return or
When unattended, system, after 3 minutes, automatically exits from.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. redundancy smoke detector, it is characterised in that include with power pack (12), receive code part (131),
Returning the controller (14) that is all connected with of code part (132), described controller (14) includes interconnective the
One controller (141) and second controller (142), described first controller (141) and the first sense cigarette portion
Dividing (15) to connect, described second controller (142) is connected with the second sense cigarette part (16),
Described first sense cigarette part (15) includes that the first transmitting tube (151) and first receives pipe (152), the
One receives pipe (152) is connected with described first controller (141) by the first signal amplification circuit (153),
Described second sense cigarette part (16) includes that the second transmitting tube (161) and second receives pipe (162), the
Two receive pipe (162) is connected with described second controller (142) by secondary signal amplifying circuit (163).
Redundancy smoke detector the most according to claim 1, it is characterised in that described first controller
(141) it is connected with described second controller (142) by photo-coupler (18), described photo-coupler (18)
Including photo-coupler one (181) and photo-coupler two (182), the input of described photo-coupler one (181)
End is connected with described second controller (142), outfan is connected with described first controller (141), institute
The input stating photo-coupler two (182) is connected with described first controller (141), outfan is with described
Second controller (142) connects,
The model of described first controller (141) and second controller (142) is HT45F23A20P.
Redundancy smoke detector the most according to claim 2, it is characterised in that also include and described control
The automatic encoding part (19) that device processed (14) connects, described automatic encoding part (19) includes the first coding
Circuit (191) and the second coding circuit (192),
Described first coding circuit (191) includes audion one (1911), audion two (1912), MOS
Pipe one (1913), the B pole of described audion one (1911) is connected with described first controller (141), C
Pole is connected with the B pole of described audion two (1912), E pole and the E pole of described audion two (1912)
Connecting, the C pole of described audion two (1912) is connected with described metal-oxide-semiconductor one (1913),
Described second coding circuit (192) includes audion three (1921), audion four (1922), MOS
Pipe two (1923), the B pole of described audion three (1921) is connected with described second controller (142), C
Pole is connected with the B pole of described audion four (1922), E pole and the E pole of described audion four (1922)
Connecting, the C pole of described audion four (1922) is connected with described metal-oxide-semiconductor two (1923),
Described metal-oxide-semiconductor one (1913) is connected with described metal-oxide-semiconductor two (1923),
Described metal-oxide-semiconductor one (1913) and described metal-oxide-semiconductor two (1923) model are HAT1055R.
Redundancy smoke detector the most according to claim 3, it is characterised in that also include bus short circuit
Detection part (110), described bus short circuit detection part (110) includes the first bus short circuit testing circuit (1101)
With the second bus short circuit testing circuit (1102), described first bus short circuit testing circuit (1101) and described
Second bus short circuit testing circuit (1102) respectively with described metal-oxide-semiconductor one (1913) and described metal-oxide-semiconductor
Two (1923) connect.
5. according to the redundancy smoke detector described in Claims 1 to 4 any one, it is characterised in that also wrap
Including temperature-sensitive part (111), described temperature-sensitive part (111) includes the first critesistor (1111) and the second heat
Quick resistance (1112), described first critesistor (1111) and described second critesistor (1112) are respectively
It is connected with described first controller (141) and described second controller (142).
6. according to the redundancy smoke detector described in Claims 1 to 4 any one, it is characterised in that
Described first transmitting tube (151), described first receive pipe (152), described second transmitting tube (161),
Described second receives pipe (162) is arranged on the cross ramp way (171) in labyrinth (17) in cross arrangement
In,
Also include fever writes plug-in unit (112), the fire alarm indication LED (113) being connected with described controller (14).
7. redundancy smoke detection system, it is characterised in that include the redundancy described in any one of claim 1～8
Smoke detector (1), described redundancy smoke detector (1) is articulated in bus (2), described bus (2)
Two ends be connected with the first master control (3) and the second master control (4) respectively,
Described first master control (3) include the first system control part (31) and with described the first system control portion
Dividing the first transmitting-receiving code part (32) that (31) connect, described second master control (4) includes second system control
Partly (41) and with described second system control part (41) be connected second transmitting-receiving code part (42), institute
State the first transmitting-receiving code part (32), described second transmitting-receiving code part (42) is all connected with described bus (2).
Redundancy smoke detection system the most according to claim 7, it is characterised in that described the first system
Control part (31) include a CPU (311), latch (312), bidirectional isolator (313), every
From device (314), trigger one (315), trigger two (316), FLASH mono-(317), FLASH bis-
(318), decoder (319), communication chip (310),
A described CPU (311) and described latch (312), described bidirectional isolator (313), institute
State isolator (314), described communication chip (310) is all connected with,
Described latch (312), described bidirectional isolator (313), described isolator (314) are all with described
FLASH mono-(317), described FLASH bis-(318) connect, described bidirectional isolator (313) also with
Described trigger one (315), described trigger two (316) are all connected with,
The model of a described CPU (311) is SM59264, and the model of described latch (312) is
MM74HCT373, the model of described bidirectional isolator (313) is MM74HC245A, described isolator
(314) model is 74HCT244, and the model of described trigger one (315) is MM74HC273, institute
The model stating trigger two (316) is MM74HC273, and the model of described FLASH mono-(317) is 62256,
The model of described FLASH bis-(318) is 29SF040A, and the model of described decoder (319) is
74HCT138, the model of described communication chip (310) is SD2405,
Described second system controls part (41) circuit structure and is same as described the first system control part (31).
Redundancy smoke detection system the most according to claim 8, it is characterised in that described first transmitting-receiving
Code part (32) includes that audion five (321), the B pole of described audion five (321) pass through relay portion
Point (5) control with described the first system part (31) be connected, E pole and described trigger two (316) and light
Bonder three (322) connects, and described photo-coupler three (322) is through audion six (323) and electronic cutting
Close one (324) to be connected with 24V signaling circuit (325) and 12V signaling circuit (326), described 24V
Signaling circuit (325) and described 12V signaling circuit (326) are in two-wire system mode with described bus (2) even
Connect.
Redundancy smoke detection system the most according to claim 8, it is characterised in that also include all with
The described the first system control reset circuit (61) that partly (31) connect, communicating circuit (62), liquid crystal LCD
(63), acoustics circuit (64), vehicle mounted communication interface (65), key circuit (66), LED indicate (67).
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| CN201610472223.7A CN106023513B (en) | 2016-06-25 | 2016-06-25 | Redundancy smoke detector and system |
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| CN201610472223.7A CN106023513B (en) | 2016-06-25 | 2016-06-25 | Redundancy smoke detector and system |
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| CN108898782A (en) * | 2018-07-20 | 2018-11-27 | 武汉理工光科股份有限公司 | The smoke detection method and system that infrared image temperature information for tunnel fire proofing identifies |
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