CN205910805U - Redundant smoke detector and system - Google Patents

Abstract

The utility model belongs to the technical field of fire alarm surveys, provide redundant smoke detector and system, the detector includes with power unit, receives the sign indicating number part, returns the controller that the sign indicating number part is connected, and the controller includes interconnect's first control ware and the second controllor, and the first control ware is connected with first sense cigarette part, and the second controllor is connected with second sense cigarette part, in the system, redundant smoke detector articulates in the bus, and the bus is always controlled with first total accuse and second and is connected, and first total accuse is always controlled including the 2nd system control subtotal second receiving and dispatching sign indicating number part including the first receiving and dispatching of system control subtotal sign indicating number part, second, first receiving and dispatching sign indicating number part, the equal and bus connection of second receiving and dispatching sign indicating number part. The utility model provides an among the prior art smoke detector can not satisfy multiple complex operating condition, damage rate is high, life short, the wrong report often appears, it can increase serious the reduction along with the time to detect the precision, problem that the system just can not normally work in the face of the various condition.

Description

Redundancy smoke detector and system

Technical field

This utility model belongs to fire alarm Detection Techniques field, be related to a kind of smoke detector with redundancy feature and There is the smoke detection system of dual multi-level redundancy feature.

Background technology

Smoke detector, another name fire hazard aerosol fog alarm, Smoke Sensor, smoke inductor etc..Fire detector at present Divide main thoughts cigarette formula, temp sensing type, photosensitizing type (flame detecting formula), sense gas type (co etc.) four from the physical and chemical process of detection Big class；In order to improve warning accuracy, reduce wrong report, occur in that smoke-temperature sensing, photosensitive sense gas are combined on this basis Combined type detector.Dividing from the investigative range of fire detector mainly has point-type and two kinds of line style, and point type fire detector is to make The burning being suspended in air near about with a Miniature Sensor response and/or the solid or the liquid particle that are pyrolyzed generation A kind of fire detecting arrangement.

Wide smoke fire detector is applied to have ion smoke detector and photoelectric smoke detector two Kind.There is a smoke detection room in photoelectric smoke detector, be commonly called as optics labyrinth, it is provided with infrared tube, when smokeless Infrared receiving tube can not receive the infrared light that infrared transmitting tube sends, and when flue dust enters optics labyrinth, by refraction, reflection, connects Closed tube receives infrared light, and whether intelligent alarm circuit judges exceed threshold value, if it exceeds sending alarm.

Just can not work although smog after the infrared tube of smoke detector of the prior art or control circuit infringement Detector controller after infringement is capable of detecting when, thus reminding staff's replacing, but for the smoke detection in nuclear power station Device it is considered to the interior long period of arriving at a station be unable to someone turnover, and stand in stronger radioprotective also can be to the circuit of smoke detector Element works the mischief, and therefore the loss ratio to smoke detector and service life propose the secondary requirement of higher level, and, cigarette The long not discontinuous operation of infrared tube in Fog detector, its accuracy of detection also can seriously reduce, and can reach software mode not , on the other hand, for the smoke detector in nuclear power station station, also frequently stronger radioprotective and causes in the degree that can overcome the disadvantages that The phenomenon of smoke detector wrong report, therefore necessary design is a to disclosure satisfy that Various Complex operating mode, and loss ratio is low, use the longevity Life length, is not in wrong report, the smoke detector that accuracy of detection will not seriously reduce.On the other hand, for smoke detector Control, in prior art, smoke detection control system, just can not be normal after bus broken circuit, short circuit and controller failure Holding smoke detector carrying out, thus causing larger potential safety hazard.

Utility model content

The utility model proposes redundancy smoke detector and system, solving smoke detector in prior art can not meet Various Complex operating mode, loss ratio is high, service life is short, wrong report often, and accuracy of detection can increase serious reduction over time, System is in the face of the problem of various situations just cisco unity malfunction.

The technical solution of the utility model is achieved in that

Redundancy smoke detector, including

With power pack, receive code part, return the controller that is all connected with of code part, described controller includes interconnective the One controller and second controller, described first controller is connected with the first sense cigarette part, and described second controller and second is felt Cigarette part connects,

Described first sense cigarette part includes the first transmitting tube and the first reception pipe, and the first reception pipe is passed through the first signal and amplified Circuit is connected with described first controller,

Described second sense cigarette part includes the second transmitting tube and the second reception pipe, and the second reception pipe is amplified by secondary signal Circuit is connected with described second controller,

Described first transmitting tube, described first reception pipe, described second transmitting tube, described second reception pipe are in cross arrangement It is arranged in the cross ramp way in labyrinth.

As further technical scheme, described first controller is connected with described second controller by photo-coupler, Described photo-coupler includes photo-coupler one and photo-coupler two, the input of described photo-coupler one and described second controller Connect, outfan is connected with described first controller, the input of described photo-coupler two is connected with described first controller, defeated Go out end to be 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 volume Code part includes the first coding circuit and the second coding circuit,

Described first coding circuit includes audion one, audion two, mos pipe one, the b pole of described audion one with described First controller connects, and c pole is connected with the b pole of described audion two, and e pole is connected with the e pole of described audion two, described three poles The c pole of pipe two is connected with described mos pipe one,

Described second coding circuit includes audion three, audion four, mos pipe two, the b pole of described audion three with described Second controller connects, and c pole is connected with the b pole of described audion four, and e pole is connected with the e pole of described audion four, described three poles The c pole of Guan Si is connected with described mos pipe two,

Described mos pipe one is connected with described mos pipe two,

Described mos pipe one and described mos pipe two model are hat1055r.

As further technical scheme, also include bus short circuit detection part, described bus short circuit detection part includes First bus short circuit testing circuit and the second bus short circuit testing circuit, described first bus short circuit testing circuit and described second Bus short circuit testing circuit is connected with described mos pipe one and described mos pipe two respectively.

As further technical scheme, also include temperature-sensitive part, described temperature-sensitive part includes the first critesistor and Two critesistor, described first critesistor and described second critesistor are controlled with described first controller and described second respectively Device processed connects.

As further technical scheme, also include fever writes plug-in unit, the fire alarm instruction led being connected with described controller.

This utility model also proposes redundancy smoke detection system, including

Described redundancy smoke detector, described redundancy smoke detector is articulated in bus, and the two ends of described bus are respectively It is connected with the first master control and the second master control,

Described first master control includes the first system control section and the first receipts being connected with described the first system control section Signaling part, described second master control includes second system control section and the second receipts being connected with described second system control section Signaling part, described first transmitting-receiving code part, described second transmitting-receiving code are partly all connected with described bus,

As further technical scheme, described the first system control section includes a cpu, latch, two-way isolation Device, 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 are all connected with,

Described latch, described bidirectional isolator, described isolator are all connected with described flash mono-, described flash bis-, Described bidirectional isolator is also all connected with described trigger one, described trigger two,

Model sm59264 of a described cpu, model mm74hct373 of described latch, described two-way isolation Model mm74hc245a of device, model 74hct244 of described isolator, the model of described trigger one Mm74hc273, model mm74hc273 of described trigger two, the model 62256 of described flash mono-, described flash bis- Model 29sf040a, model 74hct138 of described decoder, model sd2405 of described communication chip,

Described second system control section circuit structure is same as described the first system control section.

As further technical scheme, described first transmitting-receiving code part includes audion five, the b pole of described audion five It is connected with described the first system control section by relay part, e pole is connected with described trigger two and photo-coupler three, institute State photo-coupler three to be connected with v signaling circuit and v signaling circuit through audion six and electrical switch one, described v signaling circuit It is connected with described bus in two-wire system mode with described v signaling circuit.

As further technical scheme, the reset circuit that also includes all being connected with described the first system control section, logical News circuit, liquid crystal lcd, acoustics circuit, vehicle mounted communication interface, key circuit, led instruction.

This utility model use principle and having the beneficial effect that

1st, in this utility model, one piece of pcb is provided with the first separate controller and second controller, the first control Device processed and second controller control the first sense cigarette part and the second sense cigarette part respectively, and the first controller, second controller Between data communication can be carried out thus realizing multiple-working mode by photo-coupler one and photo-coupler two, can the first sense Cigarette part and the second sense cigarette part work simultaneously, but point principal and subordinate, one of keep operation detection to go out concrete on fire, another is in addition Confirm, both meet condition side simultaneously and assert fire, thus reducing wrong report；Can also both separated in time alternations, One of them can standby be rested, thus keeping the first sense cigarette part and the accuracy of detection of the second sense cigarette part well, simultaneously Extend both service life；Or first two mode combines, the first sense cigarette part and the second sense cigarette part divide principal and subordinate, Er Qiejin Row replaces；In the first sense cigarette part and the second sense cigarette after partly one of them breaks down, another one is just as main sense cigarette portion Point, persistently it is operated, therefore pass through the redundancy mating reaction between the first controller and second controller, just can be multiple Under mode of operation, will be fine to the detection of the first sense cigarette part in smoke detector and the second sense cigarette part and continuous firing Combination, such that it is able to for meet various complex working conditions delay detect demand, simultaneously by service life extend one times about, Any fire alarm scene can be met, particularly meet and in nuclear power station station, require extremely harsh operating mode, on this basis, also very The good exclusion achieving wrong report, equipment damage rate, the reduction of fault rate, and also accuracy of detection growth over time is not yet Have obvious reduction.

2nd, in this utility model, the first transmitting tube, the first reception pipe, the second transmitting tube, the second reception pipe are in cross arrangement And be inclined in labyrinth, that is, it is arranged in four passages on labyrinth, channel inner surface is shiny surface, can preferably pass Lose line, the first transmitting tube, the focus of the first reception pipe extended line are the first sensitive volume, and the second transmitting tube and the second reception pipe are prolonged The focus of long line is the second sensitive volume, the first sensitive volume and the second sensitive area overlapping or partly overlap, it is possible to achieve more preferable Smoke detection effect.

3rd, in this utility model, automatic encoding partly can carry out address successively and compile to the first controller and second controller Code, encodes to the first sense cigarette part and the second sense cigarette part, the first coding circuit is carried out to the first sense cigarette part respectively Automatic encoding, the second coding circuit carries out automatic encoding to the second sense cigarette part, after coding, redundancy detector can be facilitated to pass through The corresponding control system connecting of bus carries out detecting control and malfunction coefficient, realizes easily remote management.

4th, in this utility model, bus short circuit detection part can go out two-wire system data and the bus of power line with real-time detection Being whether to be short-circuited, if being short-circuited, the control of other mode will being carried out thus just still keeping by feedback control system Normal working condition, thus realizing more preferable fault adaptability, improves serious forgiveness.

5th, in this utility model, the first sense cigarette part and the second sense cigarette Partial coordination work are outer, also with the first critesistor Coordinate work with the second critesistor, can preferably realize various mode of operations by feeling cigarette with temperature-sensitive dual redundant, Thus improving detection accuracy and service life further, reduce rate of false alarm and fault rate further.

6th, this utility model also have fever writes plug-in unit and fire alarm instruction led, therefore, it is possible to carry out artificial geocoding and Data storage takes, fire alarm instruction led can indicate that detector working condition, by persistently glittering just can with instruction equipment work shape State.

7th, in this utility model, the front end of the first transmitting-receiving code part is audion five, photo-coupler three, audion six, electricity Whether the upper electrical switch of son switch one composition, realize whether carrying out signaling by upper electricity, that is, to determine it is the first transmitting-receiving code part Signaling, or the second transmitting-receiving code part signaling, both continue signaling, another one to bus by one of control as main system Carry out auxiliary monitoring as controlling from system, thus realizing mutually harmonious cooperation and the Redundant Control mutually not affected, Er Qieshou Signaling is to be operated by the matrix ripple that two kinds of level of 12v and 24v are formed, and can not only be operated the confession of voltage Electricity, is capable of communicating, therefore can simplify whole communication system, thus improving work efficiency, reduces device fails Probability.

8th, this utility model, after bus broken circuit, a master control fault, remains able to continue to keep normal operating conditions, the One master control and the second master control hot standby each other simultaneously again a point principal and subordinate be operated, both display contents are consistent, and redundancy smog is visited Survey device to be connected in parallel in bus, after upper electricity, main master control controls detection bus to carry out signaling, received from master control detection bus signals Code, when bus broken circuit, does not receive data from master control, the first master control and second total stool control mode work simultaneously, controls open circuit respectively The detector of position the right and left is operated；After a control system fault, another total stool control mode is carried out as main master control Work；On the other hand, even if the detector of mounting damages in bus, because it is redundancy smoke detector, the first sense cigarette Part or the second sense cigarette part, infringement all can not affect its normal work, thus can realize the superfluous of detector position point Remaining and whole control system and comprehensive redundancy of bus, multi-level redundancy is such that it is able to the various complicated detection of more preferable reply Operating mode.

9th, in this utility model, redundancy smoke detector can also be connected in bus, so just can be implemented in bus When short-circuit, remain able to carry out normal work, thus improve the redundancy level of system.

10th, in this utility model, transmitting-receiving code part just can be completed by two buses, and 12v signaling circuit and 24v signaling are electric Road cooperates and carries out signaling, advanced coding, decoding technique and software filtering technology, can effectively suppress external interference to believe Number, so that the first master control and the second master control can reach perfect cooperation, and high dependable with function.

Brief description

With reference to the accompanying drawings and detailed description this utility model is described in further detail.

Fig. 1 is redundancy smoke detector wire schematic diagram in this utility model；

Fig. 2 is redundancy smoke detection system wire schematic diagram in this utility model；

Fig. 3 is controller circuitry schematic diagram in this utility model；

Fig. 4 is the first sense cigarette part and the second sense cigarette partial circuit schematic diagram in this utility model；

Fig. 5 is automatic encoding partial circuit schematic diagram in this utility model；

Fig. 6 is labyrinth structure schematic diagram in this utility model；

Fig. 7 is the first system control section circuit theory diagrams in this utility model；

Fig. 8 is the first transmitting-receiving code partial circuit schematic diagram in this utility model；

Fig. 9 is reset circuit circuit theory diagrams in this utility model；

Figure 10 is communicating circuit circuit theory diagrams in this utility model；

Figure 11 is liquid crystal lcd circuit theory diagrams in this utility model；

Figure 12 is sound equipment circuit schematic diagram in this utility model；

Figure 13 is vehicle mounted communication interface circuit schematic diagram in this utility model；

Figure 14 is this utility model repeat circuit partial circuit schematic diagram；

Figure 15 is key circuit and led indicating circuit schematic diagram in this utility model；

In figure: 1- redundancy smoke detector, 12- power pack, 131- receives code part, and 132- returns a yard part, and 14- controls Device, 141- first controller, 142- second controller, 15- first feels cigarette part, 151- first transmitting tube, and 152- first receives Pipe, 153- first signal amplification circuit, 16- second feels cigarette part, 161- second transmitting tube, 162- second reception pipe, 163- the Binary signal amplifying circuit, 17- labyrinth, 171- cross ramp way, 18- photo-coupler, 181- photo-coupler one, 182- optical coupling Device two, 19- automatic encoding part, 191- first coding circuit, 1911- audion one, 1912- audion two, 1913-mos manages One, 192- second coding circuit, 1921- audion three, 1922- audion four, 1923-mos pipe two, 110- bus short circuit detects Part, 1101- the first bus short circuit testing circuit, 1102- the second bus short circuit testing circuit, 111- temperature-sensitive part, 1111- One critesistor, 1112- second critesistor, 112- fever writes plug-in unit, 113- fire alarm indicates led, 2- bus, and 3- first is total Control, 31- the first system control section, 311- the cpu, 312- latch, 313- bidirectional isolator, 314- isolator, 315- Trigger one, 316- trigger two, 317-flash mono-, 318-flash bis-, 319- decoder, 310- communication chip, 32- first Transmitting-receiving code part, 321- audion five, 322- photo-coupler three, 323- audion six, 324- electrical switch one, 325-24v sends out Code circuit, 326-12v signaling circuit, 4- second master control, 41- second system control section, 42- second receives and dispatches code part, and 5- continues Electrical appliance part, 61- reset circuit, 62- communicating circuit, 63- liquid crystal lcd, 64- acoustics circuit, 65- vehicle mounted communication interface, 66- presses Key circuit, 67-led indicates.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

As shown in Fig. 1, Fig. 3～Fig. 6, the utility model proposes redundancy smoke detector, including

The controller 14 being all connected with power pack 12, receipts code part 131, time code part 132, controller 14 includes mutually The first controller 141 connecting and second controller 142, the first controller 141 is connected with the first sense cigarette part 15, the second control Device 142 is connected with the second sense cigarette part 16,

First sense cigarette part 15 includes the first transmitting tube 151 and the first reception pipe 152, and the first reception pipe 152 passes through first Signal amplification circuit 153 is connected with the first controller 141,

Second sense cigarette part 16 includes the second transmitting tube 161 and the second reception pipe 162, and the second reception pipe 162 passes through second Signal amplification circuit 163 is connected with second controller 142,

First transmitting tube 151, the first reception pipe 152, the second transmitting tube 161, the second reception pipe 162 are in cross arrangement setting In the cross ramp way 171 in labyrinth 17.

Further, the first controller 141 is connected with second controller 142 by photo-coupler 18, and photo-coupler 18 includes Photo-coupler 1 and photo-coupler 2 182, the input of photo-coupler 1 is connected with second controller 142, outfan It is connected with the first controller 141, the input of photo-coupler 2 182 is connected with the first controller 141, outfan and second controls Device 142 connects,

In this utility model, one piece of pcb is provided with the first separate controller 141 and second controller 142, the One controller 141 and second controller 142 control the first sense cigarette part 15 and the second sense cigarette part 16 respectively, and the first control Can be by photo-coupler 1 with photo-coupler 2 182 carries out data communication thus reality between device 141, second controller 142 Existing multiple-working mode, can the first sense cigarette part 15 and the second sense cigarette part 16 work simultaneously, but point principal and subordinate, one of protects Hold operation detection and go out concrete on fire, another is confirmed, both meet condition side simultaneously and assert fire, thus reducing wrong report；? Can both separated in time alternations, one of them can standby be rested, thus keeping the first sense cigarette part well 15 and second accuracy of detection feeling cigarette part 16, extend both service life simultaneously；Or first two mode combines, the first sense Cigarette part 15 and second sense 16 points of principals and subordinates of cigarette part, and replaced；In the first sense cigarette part 15 and the second sense cigarette part 16 After one of them breaks down, another one just as main sense cigarette part, is persistently operated, and therefore passes through the first controller Redundancy mating reaction between 141 and second controller 142, just can under a plurality of modes of operation, by smoke detector The detection of one sense cigarette part 15 and the second sense cigarette part 16 and continuous firing combine well, such that it is able to each for meeting The delay planting complex working condition detects demand, service life is extended one times about simultaneously, can meet any fire alarm scene, special It is not to meet in nuclear power station station to require extremely harsh operating mode, on this basis, also achieve the exclusion of wrong report, equipment well Loss ratio, the reduction of fault rate, and accuracy of detection growth over time does not have obvious reduction yet.

In this utility model, the first transmitting tube 151, the first reception pipe 152, the second transmitting tube 161, the second reception pipe 162 In cross arrangement and be inclined in labyrinth 17, that is, it is arranged in four passages on labyrinth 17, channel inner surface is smooth Face, can more preferable transmission ray, the first transmitting tube 151, the focus of the first reception pipe 152 extended line are the first sensitive volume, the The focus of two transmitting tubes 161 and the second reception pipe 162 extended line is the second sensitive volume, the first sensitive volume and the second sensitive area overlapping Or partly overlap, it is possible to achieve preferably smoke detection effect.

The model of the first controller 141 and second controller 142 is ht45f23a20p.

Further, also include the automatic encoding part 19 being connected with controller 14, automatic encoding part 19 includes the first volume Code circuit 191 and the second coding circuit 192,

First coding circuit 191 includes audion 1, audion 2 1912, mos pipe 1, audion 1 B pole be connected with the first controller 141, c pole is connected with the b pole of audion 2 1912, and the e pole of e pole and audion 2 1912 is even Connect, the c pole of audion 2 1912 is connected with mos pipe 1,

Second coding circuit 192 includes audion 3 1921, audion 4 1922, mos pipe 2 1923, audion 3 1921 B pole be connected with second controller 142, c pole is connected with the b pole of audion 4 1922, and the e pole of e pole and audion 4 1922 is even Connect, the c pole of audion 4 1922 is connected with mos pipe 2 1923,

Mos pipe 1 is connected with mos pipe 2 1923,

Mos pipe 1 and mos pipe 2 1923 model are hat1055r.

In this utility model, automatic encoding part 19 can be carried out successively to the first controller 141 and second controller 142 Geocoding, encodes respectively to the first sense cigarette part 15 and the second sense cigarette part 16, and the first coding circuit 191 is to the One sense cigarette part 15 carries out automatic encoding, and the second coding circuit 192 carries out automatic encoding to the second sense cigarette part 16, after coding, Redundancy detector can be facilitated to carry out detecting control and malfunction coefficient by the corresponding control system connecting of bus, realize easily Remote management.

Further, also include bus short circuit detection part 110, bus short circuit detection part 110 includes the first bus short circuit Testing circuit 1101 and the second bus short circuit testing circuit 1102, the first bus short circuit testing circuit 1101 and the second bus short circuit Testing circuit 1102 is connected with mos pipe 1 and mos pipe 2 1923 respectively.

In this utility model, bus short circuit detection part 110 can go out the total of two-wire system data and power line with real-time detection Line is whether to be short-circuited, and if being short-circuited, will carry out the control of other mode thus still keeping by feedback control system Normal working condition, thus realizing more preferable fault adaptability, improves serious forgiveness.

Further, also include temperature-sensitive part 111, temperature-sensitive part 111 includes the first critesistor 1111 and the second temperature-sensitive electricity Resistance 1112, the first critesistor 1111 and the second critesistor 1112 are connected with the first controller 141 and second controller 142 respectively Connect.

In this utility model, outside the first sense cigarette part 15 and the second sense cigarette part 16 co-ordination, also with the first temperature-sensitive electricity Resistance 1111 and the second critesistor 1112 coordinate work, can preferably be realized various by sense cigarette and temperature-sensitive dual redundant Mode of operation, thus improving detection accuracy and service life further, reduces rate of false alarm and fault rate further.

Further, also include fever writes plug-in unit 112, the fire alarm instruction led113 being connected with controller 14.

This utility model also has fever writes plug-in unit 112 and fire alarm instruction led113, therefore, it is possible to carry out artificial address volume Code data storage takes, and fire alarm instruction led113 can indicate that detector working condition, is set by persistently glittering just can instruction Standby working condition.

As shown in Fig. 2, Fig. 7～Figure 15, (circuit connection point in Fig. 7～Figure 15 is not connected with Fig. 3～Fig. 5, for not Same junction point, the title of each component symbol is also uncorrelated to Fig. 3～Fig. 5 simultaneously), this utility model also proposes redundancy smog and visits Examining system, including

Redundancy smoke detector 1, redundancy smoke detector 1 is articulated in bus 2, and the two ends of bus 2 are total with first respectively Control 3 and the second master control 4 connect,

First master control 3 includes the first system control section 31 and the first transmitting-receiving code being connected with the first system control section 31 Part 32, the second master control 4 includes second system control section 41 and the second transmitting-receiving code being connected with second system control section 41 Part 42, the first transmitting-receiving code part 32, second transmitting-receiving code part 42 is all connected with bus 2,

Further, the first system control section 31 includes a cpu311, latch 312, bidirectional isolator 313, isolation Device 314, trigger 1, trigger 2 316, flash 1, flash 2 318, decoder 319, communication chip 310,

First cpu311 is all connected with latch 312, bidirectional isolator 313, isolator 314, communication chip 310,

Latch 312, bidirectional isolator 313, isolator 314 are all connected with flash 1, flash 2 318, two-way every Also it is all connected with trigger 1, trigger 2 316 from device 313,

Model sm59264 of the first cpu311, model mm74hct373 of latch 312, bidirectional isolator 313 Model mm74hc245a, model 74hct244 of isolator 314, model mm74hc273 of trigger 1, triggering Model mm74hc273 of device 2 316, the model 62256 of flash 1, model 29sf040a of flash 2 318, Model 74hct138 of decoder 319, model sd2405 of communication chip 310,

Second system control section 41 circuit structure is same as the first system control section 31.

Further, the first transmitting-receiving code part 32 includes audion 5 321, and relay part is passed through in the b pole of audion 5 321 5 are connected with the first system control section 31, e pole is connected with trigger 2 316 and photo-coupler 3 322, photo-coupler 3 322 warp Cross audion 6 323 and electrical switch 1 to be connected with 24v signaling circuit 325 and 12v signaling circuit 326,24v signaling circuit 325 and 12v signaling circuit 326 are connected with bus 2 in two-wire system mode.

In this utility model, the front end of the first transmitting-receiving code part 32 is audion 5 321, photo-coupler 3 322, audion 6 323, whether the upper electrical switch that electrical switch 1 is constituted, realize whether carrying out signaling by upper electricity, that is, determine it is first Transmitting-receiving code part 32 signaling, or the second transmitting-receiving code part 42 signaling, both hold to bus at one of control as main system Supervention code, another one carries out auxiliary monitoring as controlling from system, thus realizing mutually harmonious cooperation and mutually not affecting Redundant Control, and receiving and dispatching code is to be operated by the matrix ripple that two kinds of level of 12v and 24v are formed, and can not only enter The power supply of row running voltage, is capable of communicating, therefore can simplifying whole communication system, thus improving work efficiency, subtracting The probability of few device fails.

This utility model after bus broken circuit, a master control fault, remain able to continue keep normal operating conditions, first Both master control 3 and the second master control 4 are hot standby each other to divide a principal and subordinate to be operated simultaneously again, and both display contents are consistent, and redundancy smog is visited Survey device 1 to be connected in parallel in bus 2, after upper electricity, main master control controls detection bus 2 to carry out signaling, carry out from master control detection bus signals Receive code, when bus broken circuit, do not receive data from master control, the first master control 3 and the second master control 4 just work, and control respectively simultaneously The detector of off position the right and left is operated；After a control system fault, another total stool control mode is as main master control It is operated；On the other hand, even if the detector of mounting damages in bus 2, because it is redundancy smoke detector 1, the One sense cigarette part 15 or the second sense cigarette part 16, infringement all can not affect its normal work, thus can realize detector position The redundancy of point and comprehensive redundancy of whole control system and bus, multi-level redundancy is various such that it is able to more preferable reply Complicated detection operating mode.

In this utility model, redundancy smoke detector 1 can also be connected in bus 2, so just can be implemented in bus When short-circuit, remain able to carry out normal work, thus improve the redundancy level of system.

In this utility model, transmitting-receiving code part just can be completed by two buses, and 24v signaling circuit 325 and 12v signaling are electric Road 326 cooperates and carries out signaling, advanced coding, decoding technique and software filtering technology, can effectively suppress extraneous dry Disturb signal, so that the first master control 3 and the second master control 4 can reach perfect cooperation, and high dependable with function.

Further, the reset circuit 61 that also includes all being connected with the first system control section 31, communicating circuit 62, liquid crystal Lcd63, acoustics circuit 64, vehicle mounted communication interface 65, key circuit 66, led instruction 67.

In this utility model, key parameter can only (password can voluntarily be set by user as needed by professional's change Fixed), for ease of analyzing cause of accident, event query function is had by key circuit 66 and liquid crystal lcd63, system can be inquired about at any time The 1000 bar state information that system is occurred in the recent period.When using on application and vehicle, vehicle mounted communication interface 65 and mvb (MPV (Multi-Purpose Vehicle) Bus) connect.

128x64 liquid crystal lcd63 shows fire information, led instruction 67 instruction controller working condition, and concrete instruction includes:

[fire alarm] lamp shows have fire alarm to occur when bright.

[fault] lamp shows faulty generation in system when bright.

[noise elimination] lamp shows when bright once to carry out noise reduction operation.

[handss report] lamp shows have manual fire alarm call point to report to the police in system when bright.

[self-inspection] lamp shows when 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 when glittering.

It is normal that [power supply] lamp shows when bright that system is powered at present.

[communication is normal] lamp shows when bright that controller system is normal with the communication of host computer.

[communication failure] lamp shows when bright that controller system and the communication of host computer are broken down.

[mvb is normal] lamp shows when bright that controller is normal with the communication of mvb.

[mvb fault] lamp shows the communication failure of controller and mvb when bright.

Key circuit 66 is used for the realization of various operating functions, specifically includes:

[acoustic control key] is used for the start and stop of Non-follow control fire sound and/or light siren.Click this button, to being Acoustooptic alarm in system sends startup order, then clicks this button and now can send to acoustooptic alarm and cease and desist order.

[reset key] RESET key is used for system reset.

[acknowledgement key] should be pressed " confirmation " key after you complete once to input and add their confirmation and the data of input could be sent into system System.

[ventil], when there being alert to occur, speaker can send audio alarm, can press ventil and cancel chimes of doom Sound；If there are new alert, speaker can re-emit alarm sound.

[self-inspection key] is used for being controlled device self-inspection.Note: when no fire alarm occurs under homepage or the alert class page ability Self-inspection.

[setting key] is used for being controlled the setting of device system.Only under homepage, press this key and could enter setting interface.

[shift key] is used for response events interface and main interface, inputting interface and main interface, switching position.

[+key] is used for Jia 1.

[- key] is used for subtracting 1.

Under homepage, press " setting " key, enter " function selecting " page, press "+" key, "-" key select dish to be entered Single-page, such as current selection is " historical record ", after confirming current selection, presses " confirmation " key and can enter this selection page Face.

The password " -+" that system setting, device setting, three menu options of device configuration need to input degree of establishment (is pressed Order press "-" key, "+" key) could select.After exiting the page, such as need to be again introduced into this page, then need to re-enter close Code.The page has exited two ways: presses " function " key and returns or when unattended, system, after 3 minutes, automatically exits from.

The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model Protection domain within.

Claims (10)

1. redundancy smoke detector is it is characterised in that include and power pack (12), receipts code part (131), time code part (132) controller (14) being all connected with, described controller (14) includes interconnective first controller (141) and the second control Device (142), described first controller (141) is connected with the first sense cigarette part (15), and described second controller (142) is felt with second Cigarette part (16) connects,

Described first sense cigarette part (15) includes the first transmitting tube (151) and the first reception pipe (152), the first reception pipe (152) It is connected with described first controller (141) by the first signal amplification circuit (153),

Described second sense cigarette part (16) includes the second transmitting tube (161) and the second reception pipe (162), the second reception pipe (162) It is connected with described second controller (142) by secondary signal amplifying circuit (163).

2. redundancy smoke detector according to claim 1 is it is characterised in that described first controller (141) passes through light Bonder (18) is connected with described second controller (142), and described photo-coupler (18) includes photo-coupler one (181) and optocoupler Clutch two (182), the input of described photo-coupler one (181) is connected with described second controller (142), outfan with described First controller (141) connects, and the input of described photo-coupler two (182) is connected, exports with described first controller (141) End is connected with described second controller (142),

The model of described first controller (141) and second controller (142) is ht45f23a20p.

3. redundancy smoke detector according to claim 2 is it is characterised in that also include being connected with described controller (14) Automatic encoding part (19), 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), described The b pole of audion one (1911) is connected with described first controller (141), and c pole is connected with the b pole of described audion two (1912) Connect, e pole is connected with the e pole of described audion two (1912), the c pole of described audion two (1912) and described mos pipe one (1913) connect,

Described second coding circuit (192) includes audion three (1921), audion four (1922), mos pipe two (1923), described The b pole of audion three (1921) is connected with described second controller (142), and c pole is connected with the b pole of described audion four (1922) Connect, e pole is connected with the e pole of described audion four (1922), the c pole of described audion four (1922) and described mos pipe two (1923) connect,

Described mos pipe one (1913) is connected with described mos pipe two (1923),

Described mos pipe one (1913) and described mos pipe two (1923) model are hat1055r.

4. redundancy smoke detector according to claim 3 is 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) and the inspection of the second bus short circuit Slowdown monitoring circuit (1102), described first bus short circuit testing circuit (1101) and described second bus short circuit testing circuit (1102) point It is not connected with described mos pipe one (1913) and described mos pipe two (1923).

5. the redundancy smoke detector according to Claims 1 to 4 any one is it is characterised in that also include temperature-sensitive part (111), described temperature-sensitive part (111) includes the first critesistor (1111) and the second critesistor (1112), described first heat Quick resistance (1111) and described second critesistor (1112) respectively with described first controller (141) and described second controller (142) connect.

6. the redundancy smoke detector according to Claims 1 to 4 any one it is characterised in that

Described first transmitting tube (151), described first reception pipe (152), described second transmitting tube (161), described second reception Pipe (162) is arranged in cross arrangement in the cross ramp way (171) in labyrinth (17),

Also include fever writes plug-in unit (112), fire alarm instruction led (113) being connected with described controller (14).

7. redundancy smoke detection system is it is characterised in that include the redundancy smoke detector described in any one of claim 1～6 (1), described redundancy smoke detector (1) is articulated in bus (2), the two ends of described bus (2) respectively with the first master control (3) and Second master control (4) connects,

Described first master control (3) is included the first system control section (31) and is connected with described the first system control section (31) First transmitting-receiving code part (32), described second master control (4) include second system control section (41) and with described second system control The second transmitting-receiving code part (42) that system part (41) connects, described first transmitting-receiving code part (32), described second transmitting-receiving code part (42) all it is connected with described bus (2).

8. redundancy smoke detection system according to claim 7 is it is characterised in that described the first system control section (31) Including a cpu (311), latch (312), bidirectional isolator (313), isolator (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), described isolator (314), institute State communication chip (310) to be all connected with,

Described latch (312), described bidirectional isolator (313), described isolator (314) all with described flash mono- (317), Described flash bis- (318) connects, described bidirectional isolator (313) also with described trigger one (315), described trigger two (316) it is all connected with,

Model sm59264 of a described cpu (311), model mm74hct373 of described latch (312), described double To model mm74hc245a of isolator (313), model 74hct244 of described isolator (314), described trigger one (315) model mm74hc273, model mm74hc273 of described trigger two (316), described flash's mono- (317) Model 62256, model 29sf040a of described flash bis- (318), model 74hct138 of described decoder (319), Model sd2405 of described communication chip (310),

Described second system control section (41) circuit structure is same as described the first system control section (31).

9. redundancy smoke detection system according to claim 8 is it is characterised in that described first transmitting-receiving code part (32) is wrapped Include audion five (321), relay part (5) and described the first system control section are passed through in the b pole of described audion five (321) (31) connect, e pole is connected with described trigger two (316) and photo-coupler three (322), described photo-coupler three (322) passes through Audion six (323) and electrical switch one (324) are connected with 24v signaling circuit (325) and 12v signaling circuit (326), described 24v signaling circuit (325) and described 12v signaling circuit (326) are connected with described bus (2) in two-wire system mode.

10. redundancy smoke detection system according to claim 8 it is characterised in that also include all with described the first system Reset circuit (61) that control section (31) connects, communicating circuit (62), liquid crystal lcd (63), acoustics circuit (64), vehicle mounted communication Interface (65), key circuit (66), led instruction (67).