CN105825612A - Fire alarm system for freight vehicle - Google Patents
Fire alarm system for freight vehicle Download PDFInfo
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- CN105825612A CN105825612A CN201610316673.7A CN201610316673A CN105825612A CN 105825612 A CN105825612 A CN 105825612A CN 201610316673 A CN201610316673 A CN 201610316673A CN 105825612 A CN105825612 A CN 105825612A
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- 238000004891 communication Methods 0.000 claims abstract description 112
- 239000000779 smoke Substances 0.000 claims abstract description 78
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 26
- 238000011897 real-time detection Methods 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a fire alarm system for a freight vehicle. The system comprises a signal detection circuit, a controller, a wireless communication sending module, a wireless communication receiving module and an alarm device, wherein the signal detection circuit comprises a smoke detector, a temperature detector and a light detector; the smoke detector, the temperature detector and the light detector are connected to the controller respectively; the controller outputs a pulse control signal to a control end of the smoke detector; the controller is connected to the wireless communication sending module; the wireless communication receiving module is connected to the alarm device; the smoke detector, the temperature detector and the light detector are placed inside a container of the freight vehicle; the controller and the wireless communication sending module are placed outside the container of the freight vehicle; the wireless communication receiving module and the alarm device are placed inside a cab of the freight vehicle; and a smoke safety area threshold value, a temperature safe area threshold and a light intensity safe area threshold are set in the controller. The system disclosed by the invention has the advantages of high detection accuracy, high timeliness of alarming and high alarming accuracy.
Description
Technical field
The present invention relates to a kind of fire early-warning system, especially relate to a kind of goods stock fire early-warning system.
Background technology
The container loading goods of large-scale and medium-sized goods stock is more, and volume is the hugest.In order to avoid the loss of goods in transit, the cargo damage that preventing exposes to the sun and rain simultaneously causes, in goods stock driving process, container is generally in air-tight state.Goods stock will necessarily jolt in transportation, and the goods loaded in container inevitably collides and rubs, and goods easily catches fire during collision and friction and causes fire.Owing to container is bulky, it is in sealing state, conveying people cannot obtain the information in container in real time, goods firm on fire time conveying people cannot discover at all, when conveying people see container catch fire even dense smoke time, the intensity of a fire has little time to control, goods in container is substantially all to be burnt, heavy losses economically are caused directly to owner, and the traffic safety problem thus brought also should not be underestimated, if goods is combustible and explosive articles, that will constitute significant threat to the lives and properties of surrounding resident.
At present, during the fire early-warning system in market is generally used for large-scale workshop, freight house, market and other large-scale site facility.These fire early-warning systems use single smoke detector or hygrosensor to detect broad environmental information mostly, and acquisition of signal precision is the highest, the promptness of impact warning and accuracy.
Summary of the invention
The technical problem to be solved is to provide the goods stock fire early-warning system that a kind of acquisition of signal precision height, warning promptness and accuracy are the highest.
nullThe present invention solves the technical scheme that above-mentioned technical problem used: a kind of goods stock fire early-warning system，Including signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm，Described signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Described smoke detector has control end and outfan，The control end of described smoke detector、The outfan of described smoke detector、The outfan of described heat detector and the outfan of described sensitive detector are connected with described controller respectively，Described controller output pulse control signal is to the control end of described smoke detector，Described controller and described radio communication sending module connect，Described wireless communication receiver module and described alarm connect，Described smoke detector、Described heat detector and described sensitive detector are placed in goods stock container，Described controller and described radio communication sending module are placed in outside goods stock container，Described wireless communication receiver module and described alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in described controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to described controller by the described smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to described controller by the described temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to described controller by the described light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than described smog place of safety threshold value、When real time temperature meets more than at least one in described light intensity place of safety threshold value these three condition more than described temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to described wireless communication receiver module by described radio communication sending module by described controller，Described wireless communication receiver module flows to described alarm alarm signal，Described alarm starts to report to the police，Otherwise，Safety signal is sent to described wireless communication receiver module by described radio communication sending module by described controller，Described wireless communication receiver module flows to described alarm safety signal，Described alarm is not reported to the police.
Described goods stock fire early-warning system also includes wire communication sending module and wire communication receiver module, described controller and described wire communication sending module connect, described wire communication sending module and described wire communication receiver module connect, described wire communication receiver module and described alarm connect, when described goods stock fire early-warning system is operated in wire communication duty, alarm signal or safety signal are sent to described wire communication receiver module by described wire communication sending module by described controller, described wire communication receiver module flows to described alarm alarm signal or safety signal.In this structure, user can select letter communication operation mode according to actual needs, promotes user and selects the Suresh Kumar of pattern.
nullDescribed smoke detector includes the first operational amplifier、Infrared-emitting diode、Infrared receiving diode、First audion、Second audion、First electric capacity、Second electric capacity、First resistance、Second resistance、3rd resistance、4th resistance、5th resistance and the 6th resistance，One end of the first described resistance、One end of the first described electric capacity and the anode of described infrared-emitting diode connect，The other end of the first described resistance accesses external power source，The other end ground connection of the first described electric capacity，The negative electrode of described infrared-emitting diode and the colelctor electrode of the first described audion connect，The base stage of the first described audion、The colelctor electrode of the second described audion and one end of the second described resistance connect，The control end that the other end is smoke detector of the second described resistance，The emitter stage of the first described audion、The base stage of the second described audion and one end of the 3rd described resistance connect，The other end of the 3rd described resistance and the emitter stage of the second described audion connect and it connects end ground connection，The anode of described infrared receiving diode、One end of the 4th described resistance、One end of the 5th described resistance and the in-phase input end of the first described operational amplifier connect，The negative electrode of described infrared receiving diode、The other end of the 4th described resistance、The other end of the 5th described resistance、The inverting input of the first described operational amplifier、One end of the second described electric capacity and one end of the 6th described resistance connect，The other end of the second described electric capacity、The other end of the 6th described resistance and the outfan of the first described operational amplifier connect and it connects the outfan that end is described smoke detector.This smoke detector uses photoelectric smoke detection mode, and uses the smog in optics labyrinth to receive mode, on the one hand reduces the high technology requirement to signal deteching circuit, it is easy to safeguard, on the other hand has the characteristic that volume is little, low in energy consumption, highly sensitive.
nullDescribed heat detector includes the second operational amplifier、First slide rheostat、Platinum resistance thermometer sensor,、3rd electric capacity、7th resistance and the 8th resistance，One end of the 7th described resistance、Binding post one end of the first described slide rheostat、The positive supply input of the second described operational amplifier and one end of the 8th described resistance connect and its connection terminates into external power source，The other end of the 7th described resistance、The inverting input of the second described operational amplifier、One end of the 3rd described electric capacity and one end of described platinum resistance thermometer sensor, connect，The slide plate end of the first described slide rheostat and the in-phase input end of the second described operational amplifier connect，The other end of described platinum resistance thermometer sensor,、The binding post other end of the first described slide rheostat、The other end of the 3rd described electric capacity and the negative supply input of the second described operational amplifier connect and it connects end ground connection，The outfan of the second described operational amplifier and the other end of the 8th described resistance connect and it connects the outfan that end is described heat detector.This heat detector uses platinum resistance thermometer sensor, as temperature-sensing element (device), has the characteristic that volume is little, highly sensitive, highly reliable.
nullDescribed sensitive detector includes the first infrarede emitting diode、Second infrarede emitting diode、Second slide rheostat、Phototriode、4th electric capacity、3rd audion、4th audion、9th resistance、Tenth resistance and the 11st resistance，The anode of the first described infrarede emitting diode and one end of the 11st described resistance connect and its connection terminates into external power source，The negative electrode of the first described infrarede emitting diode、The colelctor electrode of described phototriode、Binding post one end of the second described slide rheostat and the slide plate end of the second described slide rheostat connect，The emitter stage of described phototriode、The binding post other end of the second described slide rheostat、The anode of the second described infrarede emitting diode and one end of the 9th described resistance connect，The other end of the 11st described resistance、One end of the tenth described resistance and the base stage of the 4th described audion connect，The other end of the tenth described resistance and the colelctor electrode of the 3rd described audion connect，The base stage of the 3rd described audion、The negative electrode of the second described infrarede emitting diode and one end of the 4th described electric capacity connect，The other end of the 9th described resistance、The other end of the 4th described electric capacity、The emitter stage of the 3rd described audion and the emitter stage of the 4th described audion connect and it connects end ground connection，The outfan of the sensitive detector that the current collection of the 4th described audion is extremely described.Electronic component low cost, the highly versatile of the detector in this structure and be easily maintained.
Described goods stock fire early-warning system also includes that power module, described power module and described controller connect, and described power module is battery or rechargeable battery.On the one hand this structure avoids externally fed circuit aging brought electric leakage potential safety hazard of power transmission line in power supply process, on the other hand can save vehicle power, improves energy utilization rate.
nullCompared with prior art，It is an advantage of the current invention that to pass through signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm constitute goods stock fire early-warning system，Signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Smoke detector has control end and outfan，The control end of smoke detector、The outfan of smoke detector、The outfan of heat detector and the outfan of sensitive detector are connected with controller respectively，Controller output pulse control signal is to the control end of smoke detector，Controller and radio communication sending module connect，Wireless communication receiver module and alarm connect，Smoke detector、Heat detector and sensitive detector are placed in goods stock container，Controller and radio communication sending module are placed in outside goods stock container，Wireless communication receiver module and alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to controller by smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to controller by temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to controller by light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than smog place of safety threshold value、When real time temperature meets more than at least one in the threshold value these three condition of light intensity place of safety more than temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm alarm signal，Alarm starts to report to the police，Otherwise，Safety signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm safety signal，Alarm is not reported to the police；Signal deteching circuit uses smoke detector, heat detector and sensitive detector composition multiunit detector jointly to detect, and detection accuracy is greatly improved；Determine send alarm signal or send safety signal by arranging place of safety threshold value in the controller, improve the accuracy reported to the police；Wireless communication receiver module and alarm is taked to be placed in goods stock driver's cabin, it is possible at Initial Stage of Fire and alarm.
Accompanying drawing explanation
Fig. 1 is the frame diagram of the goods stock fire early-warning system of the present invention；
Fig. 2 is the mode of operation flow chart of the goods stock fire early-warning system of the present invention；
Fig. 3 is the circuit diagram of the smoke detector of the present invention；
Fig. 4 is the circuit diagram of the heat detector of the present invention；
Fig. 5 is the circuit diagram of the sensitive detector of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
nullEmbodiment one: as shown in Figure 1，A kind of goods stock fire early-warning system，Including signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm，Signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Smoke detector has control end and outfan，The control end of smoke detector、The outfan of smoke detector、The outfan of heat detector and the outfan of sensitive detector are connected with controller respectively，Controller output pulse control signal is to the control end of smoke detector，Controller and radio communication sending module connect，Wireless communication receiver module and alarm connect，Smoke detector、Heat detector and sensitive detector are placed in goods stock container，Controller and radio communication sending module are placed in outside goods stock container，Wireless communication receiver module and alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to controller by smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to controller by temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to controller by light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than smog place of safety threshold value、When real time temperature meets more than at least one in the threshold value these three condition of light intensity place of safety more than temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm alarm signal，Alarm starts to report to the police，Otherwise，Safety signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm safety signal，Alarm is not reported to the police.
In the present embodiment, smoke detector, heat detector, sensitive detector, radio communication sending module, wireless communication receiver module and alarm all use the matured product of its technical field.
nullEmbodiment two: as shown in Figure 1，A kind of goods stock fire early-warning system，Including signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm，Signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Smoke detector has control end and outfan，The control end of smoke detector、The outfan of smoke detector、The outfan of heat detector and the outfan of sensitive detector are connected with controller respectively，Controller output pulse control signal is to the control end of smoke detector，Controller and radio communication sending module connect，Wireless communication receiver module and alarm connect，Smoke detector、Heat detector and sensitive detector are placed in goods stock container，Controller and radio communication sending module are placed in outside goods stock container，Wireless communication receiver module and alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to controller by smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to controller by temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to controller by light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than smog place of safety threshold value、When real time temperature meets more than at least one in the threshold value these three condition of light intensity place of safety more than temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm alarm signal，Alarm starts to report to the police，Otherwise，Safety signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm safety signal，Alarm is not reported to the police.
nullIn the present embodiment，As shown in Figure 3，Smoke detector includes the first operational amplifier U1、Infrared-emitting diode D1、Infrared receiving diode D2、First audion Q1、Second audion Q2、First electric capacity C1、Second electric capacity C2、First resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5 and the 6th resistance R6，First operational amplifier U1 be model be the integrated chip of LM3O8，One end of first resistance R1、One end of first electric capacity C1 and the anode of infrared-emitting diode D1 connect，The other end of the first resistance R1 accesses external power source VCC，External power source is 9V，The other end ground connection of the first electric capacity C1，The negative electrode of infrared-emitting diode D1 and the colelctor electrode of the first audion Q1 connect，The base stage of the first audion Q1、The colelctor electrode of the second audion Q2 and one end of the second resistance R2 connect，The control end that the other end is smoke detector of the second resistance R2，The emitter stage of the first audion Q1、The base stage of the second audion Q2 and one end of the 3rd resistance R3 connect，The other end of the 3rd resistance R3 and the emitter stage of the second audion Q2 connect and it connects end ground connection，The anode of infrared receiving diode D2、One end of 4th resistance R4、One end of 5th resistance R5 and the in-phase input end (the 3rd foot of the i.e. first operational amplifier U1) of the first operational amplifier U1 connect，The negative electrode of infrared receiving diode D2、The other end of the 4th resistance R4、The other end of the 5th resistance R5、The inverting input (the 2nd foot of the i.e. first operational amplifier U1) of the first operational amplifier U1、One end of second electric capacity C2 and one end of the 6th resistance R6 connect，The other end of the second electric capacity C2、The other end of the 6th resistance R6 and the outfan (the 6th foot of the i.e. first operational amplifier U1) of the first operational amplifier U1 connect and its connection end is the outfan of smoke detector.
nullIn the present embodiment，As shown in Figure 4，Heat detector includes the second operational amplifier U2、First slide rheostat RP1、Platinum resistance thermometer sensor, PT100、3rd electric capacity C3、7th resistance R7 and the 8th resistance R8，Second operational amplifier U2 be model be the integrated chip of LM3O8，One end of 7th resistance R7、Binding post one end of first slide rheostat RP1、The positive supply input (the 7th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 and one end of the 8th resistance R8 connect and its connection terminates into external power source VCC，External power source is 9V，The other end of the 7th resistance R7、Inverting input (the 2nd foot of the i.e. second operational amplifier U2 of the second operational amplifier U2、One end of 3rd electric capacity C3 and one end of platinum resistance thermometer sensor, PT100 connect，The slide plate end of the first slide rheostat RP1 and the in-phase input end (the 3rd foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 connect，The other end of platinum resistance thermometer sensor, PT100、The binding post other end of the first slide rheostat RP1、The other end of the 3rd electric capacity C3 and the negative supply input (the 4th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 connect and it connects end ground connection，The outfan (the 6th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 and the other end of the 8th resistance R8 connect and its connection end is the outfan of heat detector.
nullIn the present embodiment，As shown in Figure 5，Sensitive detector includes the first infrarede emitting diode VD1、Second infrarede emitting diode VD2、Second slide rheostat RP2、Phototriode VT、4th electric capacity C4、3rd audion Q3、4th audion Q4、9th resistance R9、Tenth resistance R10 and the 11st resistance R11，The anode of the first infrarede emitting diode VD1 and one end of the 11st resistance R11 connect and its connection terminates into external power source VCC，External power source is 9V，The negative electrode of the first infrarede emitting diode VD1、The colelctor electrode of phototriode VT、Binding post one end of second slide rheostat RP2 and the slide plate end of the second slide rheostat RP2 connect，The emitter stage of phototriode VT、The binding post other end of the second slide rheostat RP2、The anode of the second infrarede emitting diode VD2 and one end of the 9th resistance R9 connect，The other end of the 11st resistance R11、One end of tenth resistance R10 and the base stage of the 4th audion Q4 connect，The other end of the tenth resistance R10 and the colelctor electrode of the 3rd audion Q3 connect，The base stage of the 3rd audion Q3、The negative electrode of the second infrarede emitting diode VD2 and one end of the 4th electric capacity C4 connect，The other end of the 9th resistance R9、The other end of the 4th electric capacity C4、The emitter stage of the 3rd audion Q3 and the emitter stage of the 4th audion Q4 connect and it connects end ground connection，The outfan of the current collection extremely sensitive detector of the 4th audion Q4.
nullEmbodiment three: as shown in Figure 2，A kind of goods stock fire early-warning system，Including signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm，Signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Smoke detector has control end and outfan，The control end of smoke detector、The outfan of smoke detector、The outfan of heat detector and the outfan of sensitive detector are connected with controller respectively，Controller output pulse control signal is to the control end of smoke detector，Controller and radio communication sending module connect，Wireless communication receiver module and alarm connect，Smoke detector、Heat detector and sensitive detector are placed in goods stock container，Controller and radio communication sending module are placed in outside goods stock container，Wireless communication receiver module and alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to controller by smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to controller by temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to controller by light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than smog place of safety threshold value、When real time temperature meets more than at least one in the threshold value these three condition of light intensity place of safety more than temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm alarm signal，Alarm starts to report to the police，Otherwise，Safety signal is sent to wireless communication receiver module by radio communication sending module by controller，Wireless communication receiver module flows to alarm safety signal，Alarm is not reported to the police；Goods stock fire early-warning system also includes wire communication sending module and wire communication receiver module, controller and wire communication sending module connect, wire communication sending module and wire communication receiver module connect, wire communication receiver module and alarm connect, when goods stock fire early-warning system is operated in wire communication duty, alarm signal or safety signal are sent to wire communication receiver module by wire communication sending module by controller, and wire communication receiver module flows to alarm alarm signal or safety signal.
nullIn the present embodiment，As shown in Figure 3，Smoke detector includes the first operational amplifier U1、Infrared-emitting diode D1、Infrared receiving diode D2、First audion Q1、Second audion Q2、First electric capacity C1、Second electric capacity C2、First resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5 and the 6th resistance R6，First operational amplifier U1 be model be the integrated chip of LM3O8，One end of first resistance R1、One end of first electric capacity C1 and the anode of infrared-emitting diode D1 connect，The other end of the first resistance R1 accesses external power source VCC，External power source is 9V，The other end ground connection of the first electric capacity C1，The negative electrode of infrared-emitting diode D1 and the colelctor electrode of the first audion Q1 connect，The base stage of the first audion Q1、The colelctor electrode of the second audion Q2 and one end of the second resistance R2 connect，The control end that the other end is smoke detector of the second resistance R2，The emitter stage of the first audion Q1、The base stage of the second audion Q2 and one end of the 3rd resistance R3 connect，The other end of the 3rd resistance R3 and the emitter stage of the second audion Q2 connect and it connects end ground connection，The anode of infrared receiving diode D2、One end of 4th resistance R4、One end of 5th resistance R5 and the in-phase input end (the 3rd foot of the i.e. first operational amplifier U1) of the first operational amplifier U1 connect，The negative electrode of infrared receiving diode D2、The other end of the 4th resistance R4、The other end of the 5th resistance R5、The inverting input (the 2nd foot of the i.e. first operational amplifier U1) of the first operational amplifier U1、One end of second electric capacity C2 and one end of the 6th resistance R6 connect，The other end of the second electric capacity C2、The other end of the 6th resistance R6 and the outfan (the 6th foot of the i.e. first operational amplifier U1) of the first operational amplifier U1 connect and its connection end is the outfan of smoke detector.
nullIn the present embodiment，As shown in Figure 4，Heat detector includes the second operational amplifier U2、First slide rheostat RP1、Platinum resistance thermometer sensor, PT100、3rd electric capacity C3、7th resistance R7 and the 8th resistance R8，Second operational amplifier U2 be model be the integrated chip of LM3O8，One end of 7th resistance R7、Binding post one end of first slide rheostat RP1、The positive supply input (the 7th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 and one end of the 8th resistance R8 connect and its connection terminates into external power source VCC，External power source is 9V，The other end of the 7th resistance R7、Inverting input (the 2nd foot of the i.e. second operational amplifier U2 of the second operational amplifier U2、One end of 3rd electric capacity C3 and one end of platinum resistance thermometer sensor, PT100 connect，The slide plate end of the first slide rheostat RP1 and the in-phase input end (the 3rd foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 connect，The other end of platinum resistance thermometer sensor, PT100、The binding post other end of the first slide rheostat RP1、The other end of the 3rd electric capacity C3 and the negative supply input (the 4th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 connect and it connects end ground connection，The outfan (the 6th foot of the i.e. second operational amplifier U2) of the second operational amplifier U2 and the other end of the 8th resistance R8 connect and its connection end is the outfan of heat detector.
nullIn the present embodiment，As shown in Figure 5，Sensitive detector includes the first infrarede emitting diode VD1、Second infrarede emitting diode VD2、Second slide rheostat RP2、Phototriode VT、4th electric capacity C4、3rd audion Q3、4th audion Q4、9th resistance R9、Tenth resistance R10 and the 11st resistance R11，The anode of the first infrarede emitting diode VD1 and one end of the 11st resistance R11 connect and its connection terminates into external power source VCC，External power source is 9V，The negative electrode of the first infrarede emitting diode VD1、The colelctor electrode of phototriode VT、Binding post one end of second slide rheostat RP2 and the slide plate end of the second slide rheostat RP2 connect，The emitter stage of phototriode VT、The binding post other end of the second slide rheostat RP2、The anode of the second infrarede emitting diode VD2 and one end of the 9th resistance R9 connect，The other end of the 11st resistance R11、One end of tenth resistance R10 and the base stage of the 4th audion Q4 connect，The other end of the tenth resistance R10 and the colelctor electrode of the 3rd audion Q3 connect，The base stage of the 3rd audion Q3、The negative electrode of the second infrarede emitting diode VD2 and one end of the 4th electric capacity C4 connect，The other end of the 9th resistance R9、The other end of the 4th electric capacity C4、The emitter stage of the 3rd audion Q3 and the emitter stage of the 4th audion Q4 connect and it connects end ground connection，The outfan of the current collection extremely sensitive detector of the 4th audion Q4.
In the present embodiment, goods stock fire early-warning system also includes that power module, power module and controller connect, and power module is battery or rechargeable battery.
Claims (6)
- null1. a goods stock fire early-warning system，It is characterized in that including signal deteching circuit、Controller、Radio communication sending module、Wireless communication receiver module and alarm，Described signal deteching circuit includes for detecting the smoke detector of smokescope change in air、For detecting the heat detector of variations in temperature in air and for detecting the sensitive detector of intensity variation in air，Described smoke detector has control end and outfan，The control end of described smoke detector、The outfan of described smoke detector、The outfan of described heat detector and the outfan of described sensitive detector are connected with described controller respectively，Described controller output pulse control signal is to the control end of described smoke detector，Described controller and described radio communication sending module connect，Described wireless communication receiver module and described alarm connect，Described smoke detector、Described heat detector and described sensitive detector are placed in goods stock container，Described controller and described radio communication sending module are placed in outside goods stock container，Described wireless communication receiver module and described alarm are placed in goods stock driver's cabin，Smog place of safety threshold value it is provided with in described controller、Temperature safety district threshold value and light intensity place of safety threshold value，The Real-time Smoke concentration obtained also is sent to described controller by the described smokescope in smoke detector real-time detection goods stock container，The real time temperature obtained also is sent to described controller by the described temperature in heat detector real-time detection goods stock container，The Real-Time Optical intensity obtained also is sent to described controller by the described light intensity in sensitive detector real-time detection goods stock container，When Real-time Smoke concentration is more than described smog place of safety threshold value、When real time temperature meets more than at least one in described light intensity place of safety threshold value these three condition more than described temperature safety district threshold value and Real-Time Optical intensity，Alarm signal is sent to described wireless communication receiver module by described radio communication sending module by described controller，Described wireless communication receiver module flows to described alarm alarm signal，Described alarm starts to report to the police，Otherwise，Safety signal is sent to described wireless communication receiver module by described radio communication sending module by described controller，Described wireless communication receiver module flows to described alarm safety signal，Described alarm is not reported to the police.
- A kind of goods stock fire early-warning system the most according to claim 1, it is characterized in that described goods stock fire early-warning system also includes wire communication sending module and wire communication receiver module, described controller and described wire communication sending module connect, described wire communication sending module and described wire communication receiver module connect, described wire communication receiver module and described alarm connect, when described goods stock fire early-warning system is operated in wire communication duty, alarm signal or safety signal are sent to described wire communication receiver module by described wire communication sending module by described controller, described wire communication receiver module flows to described alarm alarm signal or safety signal.
- nullA kind of goods stock fire early-warning system the most according to claim 1，It is characterized in that described smoke detector includes the first operational amplifier、Infrared-emitting diode、Infrared receiving diode、First audion、Second audion、First electric capacity、Second electric capacity、First resistance、Second resistance、3rd resistance、4th resistance、5th resistance and the 6th resistance，One end of the first described resistance、One end of the first described electric capacity and the anode of described infrared-emitting diode connect，The other end of the first described resistance accesses external power source，The other end ground connection of the first described electric capacity，The negative electrode of described infrared-emitting diode and the colelctor electrode of the first described audion connect，The base stage of the first described audion、The colelctor electrode of the second described audion and one end of the second described resistance connect，The control end that the other end is described smoke detector of the second described resistance，The emitter stage of the first described audion、The base stage of the second described audion and one end of the 3rd described resistance connect，The other end of the 3rd described resistance and the emitter stage of the second described audion connect and it connects end ground connection，The anode of described infrared receiving diode、One end of the 4th described resistance、One end of the 5th described resistance and the in-phase input end of the first described operational amplifier connect，The negative electrode of described infrared receiving diode、The other end of the 4th described resistance、The other end of the 5th described resistance、The inverting input of the first described operational amplifier、One end of the second described electric capacity and one end of the 6th described resistance connect，The other end of the second described electric capacity、The other end of the 6th described resistance and the outfan of the first described operational amplifier connect and it connects the outfan that end is described smoke detector.
- nullA kind of goods stock fire early-warning system the most according to claim 1，It is characterized in that described heat detector includes the second operational amplifier、First slide rheostat、Platinum resistance thermometer sensor,、3rd electric capacity、7th resistance and the 8th resistance，One end of the 7th described resistance、Binding post one end of the first described slide rheostat、The positive supply input of the second described operational amplifier and one end of the 8th described resistance connect and its connection terminates into external power source，The other end of the 7th described resistance、The inverting input of the second described operational amplifier、One end of the 3rd described electric capacity and one end of described platinum resistance thermometer sensor, connect，The slide plate end of the first described slide rheostat and the in-phase input end of the second described operational amplifier connect，The other end of described platinum resistance thermometer sensor,、The binding post other end of the first described slide rheostat、The other end of the 3rd described electric capacity and the negative supply input of the second described operational amplifier connect and it connects end ground connection，The outfan of the second described operational amplifier and the other end of the 8th described resistance connect and it connects the outfan that end is described heat detector.
- nullA kind of goods stock fire early-warning system the most according to claim 1，It is characterized in that described sensitive detector includes the first infrarede emitting diode、Second infrarede emitting diode、Second slide rheostat、Phototriode、4th electric capacity、3rd audion、4th audion、9th resistance、Tenth resistance and the 11st resistance，The anode of the first described infrarede emitting diode and one end of the 11st described resistance connect and its connection terminates into external power source，The negative electrode of the first described infrarede emitting diode、The colelctor electrode of described phototriode、Binding post one end of the second described slide rheostat and the slide plate end of the second described slide rheostat connect，The emitter stage of described phototriode、The binding post other end of the second described slide rheostat、The anode of the second described infrarede emitting diode and one end of the 9th described resistance connect，The other end of the 11st described resistance、One end of the tenth described resistance and the base stage of the 4th described audion connect，The other end of the tenth described resistance and the colelctor electrode of the 3rd described audion connect，The base stage of the 3rd described audion、The negative electrode of the second described infrarede emitting diode and one end of the 4th described electric capacity connect，The other end of the 9th described resistance、The other end of the 4th described electric capacity、The emitter stage of the 3rd described audion and the emitter stage of the 4th described audion connect and it connects end ground connection，The outfan of the sensitive detector that the current collection of the 4th described audion is extremely described.
- A kind of goods stock fire early-warning system the most according to claim 1, it is characterized in that described goods stock fire early-warning system also includes power module, described power module and described controller connect, and described power module is battery or rechargeable battery.
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| CN201610316673.7A CN105825612A (en) | 2016-05-13 | 2016-05-13 | Fire alarm system for freight vehicle |
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| CN201610316673.7A CN105825612A (en) | 2016-05-13 | 2016-05-13 | Fire alarm system for freight vehicle |
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| CN110667435A (en) * | 2019-09-26 | 2020-01-10 | 武汉客车制造股份有限公司 | Fire monitoring and early warning system and method for new energy automobile power battery |
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