CN105427509A - High-precision fire hazard alarm system based on multiple sensors - Google Patents
High-precision fire hazard alarm system based on multiple sensors Download PDFInfo
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- CN105427509A CN105427509A CN201610020914.3A CN201610020914A CN105427509A CN 105427509 A CN105427509 A CN 105427509A CN 201610020914 A CN201610020914 A CN 201610020914A CN 105427509 A CN105427509 A CN 105427509A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 14
- 230000004044 response Effects 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 7
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000036651 mood Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 8
- 239000013307 optical fiber Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000005267 amalgamation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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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
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
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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
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
Abstract
The invention discloses a high-precision fire hazard alarm system based on multiple sensors, and relates to a fire hazard alarm system. The high-precision fire hazard alarm system comprises a master control module, an alarm system module, a sensor module, a positioning module and a shooting module, wherein the master control module is also connected with a monitoring work station. According to the invention, a fiber grating temperature sensor and an infrared temperature sensor are taken as temperature detection units, a gas sensor is selected as a harmful gas concentration detection unit, a fire hazard condition is monitored based on the multiple sensors, and compared to a conventional mode of a single sensor, the system provided by the invention obviously improves the fire hazard detection precision. In case of a fire hazard, a timely response is made, the alarm system module is started, an alarm sounds, and the positioning module and the shooting module arranged in the system can monitor the fire condition of a fire hazard field in real time and perform accurate positioning so as to help fire-fighting personnel to arrive at the fire hazard field timely for rescue.
Description
Technical field
The present invention relates to a kind of fire alarm system, be specifically related to a kind of high precision fire alarm system based on multisensor.
Background technology
The accuracy and reliability required along with fire alarm system is more and more higher, and the fire detection alarm system of general type can not satisfy the demands, and the warning system of single Monitoring Indexes often produces false alarm, brings inconvenience for producing, living.Existing fire alarm system not only can be used for family and office, also can be applicable to freeway tunnel, urban underground space passage, river and tunnel over strait and multiple large power plants etc. are crossed in city, often distance detection center is far away in these places, the monitoring accuracy of fire alarm system and response speed directly affects the damnous size of fire, therefore very important, need to adopt high-precision fire alarm system accurately could locate fire scene and fire condition.
Adopt multiple sensor to gather the various abnormal informations of fire generation comprehensively, and by the fire information that multi-sensor information fusion technology processes sensor gathers, the reliability of whole alarm monitoring system can be improved widely.Multinomial monitor control index needs multiple sensor Information Monitoring, but multisensor brings the sharp increase of information, and the process of information in enormous quantities is difficult to formulate rational control strategy, is difficult to the testing requirement meeting fire alarm system indices high precision, high speed.
Application number is 201510018777.5 disclose a kind of wireless fire disaster alarm system based on multi-sensor information fusion, and comprise industrial computer, wireless transmission unit and control module, described wireless transmission unit is for connecting industrial computer and control module; Described control module comprises monitoring server, analog to digital converter, active low-pass filter and multiple data sensor; Described multiple data transducer is connected with monitoring server with analog to digital converter respectively by respective active low-pass filter; Described monitoring server is on the one hand for receiving the data of analog to digital converter, multi-sensor information fusion technology on the other hand based on Fuzzy Logic Reasoning Algorithm is analyzed the information gathered, is processed, and carries out judgement process according to amalgamation database and expert knowledge library to Information Monitoring; The data group that the multiple data transducers recorded before depositing in described amalgamation database gather; The different fuzzy reasoning criterions that corresponding different application scenarios stores are deposited in described expert knowledge library.
Application number is 200810035401.5 disclose a kind of fire probe system with optical fiber and grating sensing temperature, comprise light source module, standard of wavelength tool, optical fiber misfortune closes device, photo-detector, main control module, signal output module, temperature sensor, described light source module, standard of wavelength tool is connected with optical fiber coupling apparatus respectively, described standard of wavelength tool, signal output module is connected with main control module respectively, described temperature sensor and optical fiber bring disaster upon and close device and be connected, described optical fiber coupling apparatus is connected with photo-detector, described photo-detector, optical fiber misfortune is closed device composite module and is connected with main control module.Compared with prior art, it is high that this system has measuring accuracy, and performance long-time stability are good, distributed measurement, the feature that sample frequency is high.
Although above-mentioned two kinds of systems all have the timely response function of fire alarm, but owing to adopting single temperature sensor or not arranging monitoring module and locating module, the accuracy of detection of fire is not high, the position of fire condition and fire spot all can not accurately be learnt, although existing highway, monitoring probe has been installed in tunnel and other places, but Surveillance center personnel also can not stare at the viewing of each camera lens for one day 24 hours incessantly, and the generation of fire is random often, have no idea to expect, missing best rescue time often causes the loss being difficult to retrieve, how timely, accurately and comparatively economically call rescue strength to sue and labour, it is the problem that current fire alarm system needs to solve.
Summary of the invention
It is high that problem to be solved by this invention is to provide a kind of accuracy of detection, and condition of a fire accuracy of judgement degree is high, registration and based on the fire alarm system of multisensor.
To achieve these goals, the technical scheme that the present invention takes is:
A kind of high precision fire alarm system based on multisensor, comprise main control module, warning system module, sensor assembly, locating module and photographing module, described warning system module is made up of warning circuit and the alarm that is connected with warning circuit, warning circuit is electrically connected with main control module, described temperature sensor comprises fiber-optical grating temperature sensor, gas sensor and infrared temperature sensor, described fiber-optical grating temperature sensor, gas sensor is all connected with main control module with infrared temperature sensor, wherein, a fiber Bragg grating (FBG) demodulator is also connected with between described fiber-optical grating temperature sensor and main control module, locating module is connected with main control module respectively with photographing module, described main control module is also connected with monitor workstation.
Preferably, described photographing module specifically comprises the multiple monitoring cameras being arranged at detected place, and described locating module is arranged on monitoring camera.
Preferably, described locating module comprises Big Dipper positioning chip and GPS positioning chip.
Preferably, described main control module and the connected mode of monitor workstation include linear light cable and are connected and wireless connections.
Preferably, described monitor workstation is connected with SMS transmission module.
Preferably, described monitor workstation is connected with 120 emergency response call centers.
Preferably, described fiber Bragg grating (FBG) demodulator is specially fiber grating dynamic demodulation instrument.
Preferably, described alarm is also connected with gauge tap.
Preferably, described main control module is also connected with data-carrier store, and the shell of described data-carrier store is made up of high temperature fireproof material.
Preferably, described data-carrier store is also connected with wireless signal transmitter, the described database wireless connections not being in the mood for signal projector and monitor workstation, described data-carrier store and wireless signal transmitter are also connected with accumulator, and accumulator is connected with solar panel.
Beneficial effect of the present invention: the present invention adopts fiber grating degree sensor and infrared temperature sensor as temperature detecting unit, select gas sensor as the concentration detecting unit of harmful gas, based on multiple sensor, fire condition is monitored, more single sensor, significantly improve the precision of detection, can respond in time when a fire and start warning system module, alarm sounds, main control module is by being provided with locating module and photographing module in system, the image of scene of fire and locating information are presented on the display of monitor workstation, help the condition of a fire of staff's Real-Time Monitoring scene of fire and accurately locate, be conducive to fire fighter to rush towards scene of fire in time and rescue.
Accompanying drawing illustrates:
Fig. 1 is the principle of work block diagram of a kind of high precision fire alarm system based on multisensor of the present invention.
Fig. 2 is a kind of connection diagram based on sensor assembly and main control module in the high precision fire alarm system of multisensor of the present invention.
Fig. 3 is a kind of structural representation based on locating module in the high precision fire alarm system of multisensor of the present invention.
Fig. 4 is a kind of structural representation based on data-carrier store in the high precision fire alarm system of multisensor of the present invention.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in Figures 1 to 4, embodiments of the present invention relate to a kind of high precision fire alarm system based on multisensor, comprise main control module, warning system module, sensor assembly, locating module and photographing module, described main control module adopts industrial computer to carry out data processing, the data processing equipment of this high-speed high capacity can mass data needed for fast processing spectral analysis, and data are changed and transmits, described warning system module is made up of warning circuit and the alarm that is connected with warning circuit, described alarm is located at monitored place, warning circuit is electrically connected with main control module, described temperature sensor comprises fiber-optical grating temperature sensor, gas sensor and infrared temperature sensor, described fiber-optical grating temperature sensor, gas sensor is all connected with main control module with infrared temperature sensor, fibre optic temperature sensor is a branch with fastest developing speed in Fibre Optical Sensor, instead of traditional temperature sensing, as resistance strain gage, compared with traditional resistance strain gage, it is little that Fibre Optical Sensor has volume, lightweight, do not do by electromagnetism, radioresistance, performance is steady in a long-term, the apparent advantage such as distributed measurement, so be widely used in field of temperature measurement, highly sensitive, infrared temperature sensor can carry out temperature detection to local key position, compensate for the deficiency that fiber-optical grating temperature sensor fixed point is accurately measured, and gas sensor can detect the harmful gas concentration of scene of fire, after main control module process, carry out fire alarm.
Wherein, a fiber Bragg grating (FBG) demodulator is also connected with between described fiber-optical grating temperature sensor and main control module, for carrying out demodulation to the signal of fiber-optical grating temperature sensor, be convenient to main control module and calculate temperature information accurately, locating module is connected with main control module respectively with photographing module, for carrying out uninterruptedly monitoring in 24 hours to tested place, when there is the condition of a fire, the Image Real-time Transmission of scene of fire to the display of monitor workstation will be positioned fire location by main control module, fire fighter is helped to arrive at scene with the fastest time and sue and labour, simultaneously, the personnel of monitor workstation also can according to the situation reasonable arrangement rescue strength of scene of fire, improve rationality and the economy of commander, rescue strength and scene of fire is avoided to occur large deviation, described main control module is also connected with monitor workstation, monitor workstation is also provided with alarm unit, for pointing out staff.
In the present embodiment, described photographing module specifically comprises the multiple monitoring cameras being arranged at detected place, and described locating module is arranged on monitoring camera, adopts multiple camera to monitor, improve the precision of monitoring, can be rescue personnel and the comparatively real firsthand information is provided.
In the present embodiment, described locating module comprises Big Dipper positioning chip and GPS positioning chip, and existing fire locating device does not generally arrange locating module or is only provided with the locating module of GPS, locates inaccurate, and the present invention adopts Dual positioning, improve positioning precision.
In the present embodiment, described main control module and the connected mode of monitor workstation include linear light cable and are connected and wireless connections, adopt two kinds of connected modes, improve stability and the accuracy of Signal transmissions.
In the present embodiment, described monitor workstation is connected with SMS transmission module, when there is the condition of a fire, the server of monitor workstation can control SMS transmission module and send inform by short message to rescue personnel or commanding, the information such as the position of scene of fire and time are sent to them, ensure that the timely reception and registration of information.
In the present embodiment, described monitor workstation is connected with 120 emergency response call centers, calls out 120 first-aid centres, the very first time can rush towards scene of fire while fire fighting, helps to rescue the wounded.
In the present embodiment, described fiber Bragg grating (FBG) demodulator is specially fiber grating dynamic demodulation instrument, can carry out real time dynamic measurement to scene temperature.
In the present embodiment, described alarm is also connected with gauge tap, obtains can closing alarm after control return to normal condition until the condition of a fire.
In the present embodiment, described main control module is also connected with data-carrier store, and the shell of described data-carrier store is made up of high temperature fireproof material, the data at tested scene can be stored, recall when needed, helps staff's understanding situation at that time.
In addition, described data-carrier store is also connected with wireless signal transmitter, the described database wireless connections not being in the mood for signal projector and monitor workstation, data in data-carrier store can send to monitor workstation also to store in its database by built-in with the signal converter of data storage inside by described wireless signal transmitter in real time, to call in the future, described data-carrier store and wireless signal transmitter are also connected with accumulator, accumulator is connected with solar panel, solar panel converts sun power to available electric energy by device for converting electric energy and is stored in accumulator, for data-carrier store and wireless signal transmitter provide power supply, ensure that the stability that data are transmitted and reliability.
Obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (10)
1. the high precision fire alarm system based on multisensor, it is characterized in that, comprise main control module, warning system module, sensor assembly, locating module and photographing module, described warning system module is made up of warning circuit and the alarm that is connected with warning circuit, warning circuit is electrically connected with main control module, described temperature sensor comprises fiber-optical grating temperature sensor, gas sensor and infrared temperature sensor, described fiber-optical grating temperature sensor, gas sensor is all connected with main control module with infrared temperature sensor, wherein, a fiber Bragg grating (FBG) demodulator is also connected with between described fiber-optical grating temperature sensor and main control module, locating module is connected with main control module respectively with photographing module, described main control module is also connected with monitor workstation.
2. a kind of high precision fire alarm system based on multisensor according to claim 1, is characterized in that: described photographing module specifically comprises the multiple monitoring cameras being arranged at detected place, and described locating module is arranged on monitoring camera.
3. a kind of high precision fire alarm system based on multisensor according to claim 2, is characterized in that: described locating module comprises Big Dipper positioning chip and GPS positioning chip.
4. a kind of high precision fire alarm system based on multisensor according to claim 1, is characterized in that: described main control module and the connected mode of monitor workstation include linear light cable and be connected and wireless connections.
5. a kind of high precision fire alarm system based on multisensor according to claim 1, is characterized in that: described monitor workstation is connected with SMS transmission module.
6. a kind of high precision fire alarm system based on multisensor according to claim 5, is characterized in that: described monitor workstation is connected with 120 emergency response call centers.
7. a kind of high precision fire alarm system based on multisensor according to claim 1, is characterized in that: described fiber Bragg grating (FBG) demodulator is specially fiber grating dynamic demodulation instrument.
8. a kind of high precision fire alarm system based on multisensor according to claim 1, is characterized in that: described alarm is also connected with gauge tap.
9. the high precision fire alarm system based on multisensor according to any one of claim 1-8, it is characterized in that: described main control module is also connected with data-carrier store, the shell of described data-carrier store is made up of high temperature fireproof material.
10. a kind of high precision fire alarm system based on multisensor according to claim 9, it is characterized in that: described data-carrier store is also connected with wireless signal transmitter, the described database wireless connections not being in the mood for signal projector and monitor workstation, described data-carrier store and wireless signal transmitter are also connected with accumulator, and accumulator is connected with solar panel.
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| CN201610020914.3A CN105427509A (en) | 2016-01-13 | 2016-01-13 | High-precision fire hazard alarm system based on multiple sensors |
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| CN201610020914.3A CN105427509A (en) | 2016-01-13 | 2016-01-13 | High-precision fire hazard alarm system based on multiple sensors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442900A (en) * | 2016-12-16 | 2017-02-22 | 上海腾盛智能安全科技股份有限公司 | Probing and detecting system based on combustible gas |
| CN106448031A (en) * | 2016-10-21 | 2017-02-22 | 上海腾盛智能安全科技股份有限公司 | Flame detector detection system |
| CN107221118A (en) * | 2017-06-23 | 2017-09-29 | 深圳市盛路物联通讯技术有限公司 | A kind of fire fighting monitoring method and system based on Internet of Things |
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