CN206092071U - Multi -parameter mine tunnel fire monitoring alarm system - Google Patents
Multi -parameter mine tunnel fire monitoring alarm system Download PDFInfo
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- CN206092071U CN206092071U CN201621144938.1U CN201621144938U CN206092071U CN 206092071 U CN206092071 U CN 206092071U CN 201621144938 U CN201621144938 U CN 201621144938U CN 206092071 U CN206092071 U CN 206092071U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 44
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- 239000000779 smoke Substances 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 9
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Abstract
The utility model discloses a multi -parameter mine tunnel fire monitoring alarm system. The mine tunnel conflagration has characteristics such as the discovery is difficult, the development is swift and violent, and traditional roadway fire alarm system reaction time is long, and easy the emergence is misrepresented deliberately and is failed to report, makes the intensity of a fire in time controlled, leads to the fact a large amount of casualtiess. The system mainly includes information processing server, alarm device, communications network, gas strength remote sensing device, temperature monitoring device etc, the gas strength characteristic of the accessible gas strength remote sensing device of system in to the monitoring area environment is measured to through integrated monitoring data analysis such as temperature, smog, send fire alarm. The system can accurate monitoring roadway fire characteristic gas, has improved alarm accuracy greatly, provides important guarantee for coal mine safe production.
Description
Technical field
This utility model is related to a kind of multiparameter mine laneway fire monitoring alarm system, and the system is related to sensor skill
The fields such as art, laser technology, spectral analysis technique, signal processing technology.
Background technology
Coal is China's main energy sources, accounts for primary energy 70%.Coal industry is high risk industries, gas, fire, top
The accidents such as plate, coal dust annoying Safety of Coal Mine Production.Coal mine fire mainly includes goaf fire and roadway fire, mine
Roadway fire has the features such as finding swift and violent difficult, development, fire extinguishing and give first aid to difficult.Fire once occurs, if the intensity of a fire can not be obtained
To control in time, involving scope will expand rapidly, cause a tremendous loss of lives.Therefore find that mine laneway fire has weight in time
Want meaning.The monitoring method of mine laneway fire mainly adopts temperature monitoring and smoke monitoring etc., smoke monitoring to exist anti-at present
Should be slow, the shortcomings of rate of false alarm and high rate of failing to report；Temperature monitoring method relatively advanced at present is monitored using fiber optic Distributed Temperature,
But optical fiber there are problems that it is fragile, install it is complex,.Therefore new mine laneway fire hazard monitoring is needed to report to the police
System is required with meeting Safety of Coal Mine Production.
Utility model content
This utility model purpose is to provide a kind of multiparameter mine laneway fire monitoring alarm system, can remote sensing monitoring compared with
The symbolic gas of fire in smog, temperature data change and the lane space region that roadway fire in far range causes
CO、CO2、O2、CH4And NOXConcentration change, carry out fire alarm by analyzing the Monitoring Data that obtains.The system is mainly wrapped
Include gas concentration sensoring, device for detecting temperature, smoke monitoring device, netscape messaging server Netscape, alarm device and communication network
Network；Gas concentration sensoring mainly includes generating laser, laser pickoff, control process unit and display unit；Gas
Concentration remote-sensing device can carry out remote sensing monitoring to multiple gases concentration in environment using open air chamber；Gas concentration sensoring
With laser ranging function；Netscape messaging server Netscape is responsible for processing gas concentration data, ambient temperature data and smoke monitoring number
According to sound and light alarm being sent by alarm unit according to data processed result, sends fire alarm information by communication network.
1. described in, system is further included：The generating laser employing of the gas concentration sensoring of system can be automatically adjusted
The generating laser of the direction of the launch, control process unit are carried out not with scanning monitoring mode control laser transmitter projects direction
Equidirectional gas concentration and distance monitoring.
2. described in, system is further included：The generating laser of the gas concentration sensoring of system is produced by lasing light emitter
Laser, lasing light emitter can be produced for detecting the laser of multiple gases.
3. described in, system is further included：The generating laser of the gas concentration sensoring of system is produced by lasing light emitter
Laser, generating laser include multiple lasing light emitters, and each lasing light emitter is used to produce a kind of laser of gas of detection.
4. described in, system is further included：The generating laser of the gas concentration sensoring of system is partly led using tunable
Body laser；The controlled processing unit control of semiconductor laser with tunable, sends the laser of different wave length；Laser pickoff connects
Laser signal is converted to the signal of telecommunication by the laser that receipts are reflected, and the control process cell processing signal of telecommunication obtains corresponding gas
Concentration.
5. described in, system is further included：The generating laser of the gas concentration sensoring of system can send CO, CO2、
O2、CH4And NOXThe laser of the different wave length of molecule absorption peak value.
6. the system is further included：The equipment being arranged in system in explosion environment is explosion-proof type equipment.
7. described in, system is further included：The smoke monitoring device of system includes video surveillance devices.
8. described in, system is further included：The smoke monitoring device of system includes Smoke Sensor.
9. the system is further included：The device for detecting temperature of system includes Fibre Optical Sensor, temperature sensor, infrared
Thermal imaging system, infrared thermoelectricity are released or infrared radiation thermometer.
Description of the drawings
Fig. 1 multiparameter mine laneway fire monitoring alarm system composition schematic diagrams.
Fig. 2 multiparameter mine laneway fire monitoring alarm working-flow figures.
1 principle schematic of Fig. 3 gas concentration sensorings embodiment.
2 principle schematic of Fig. 4 gas concentration sensorings embodiment.
2 collimator arrangement architecture schematic diagram of Fig. 5 gas concentration sensorings embodiment.
Fig. 6 gas concentration sensoring workflow diagrams.
Specific embodiment
Fig. 1 is multiparameter mine laneway fire monitoring alarm system composition schematic diagram, and the system composition includes：
1. netscape messaging server Netscape (1)：Be responsible for each sensing data is stored, and monitor gas concentration data, temperature
The data variation of degrees of data and smoke monitoring data, sends fire alarm signal by analytical data change.
2. alarm device (2)：Sound and light alarm is sent by netscape messaging server Netscape control, is passed through with netscape messaging server Netscape
RS232 interface connection communications.
3. monitoring device (3)：Data query and production monitoring service are provided to produce management personnel, by information processing services
Device provides field data, shows with alarm and GIS service function.
4. core switch (4)：It is responsible for management and the data exchange of all equipment for accessing mining Ethernet, hands over down-hole
(5) are changed planes by optical fiber connection, communication network device includes core switch (4), down-hole switch (5) and substation (6).
5. down-hole switch (5)：The access of responsible data substation and data exchange, by optical fiber and each down-hole switch with
Looped network mode connects.
6. substation (6)：It is responsible for access and the data exchange of each monitoring device, with network switch function, hands over down-hole
Change planes and connected by optical fiber；With RS485 interfaces.
7. gas concentration monitoring device (7)：Using gas concentration sensoring, using open air chamber, can be to wrapping in environment
Include CO, CO2、O2、CH4And NOXMultiple gases concentration carry out remote sensing monitoring, with laser ranging function, with three dimensions area
Domain gas concentration monitoring function.
8. device for detecting temperature (8)：Fibre Optical Sensor, radio temperature sensor, thermal infrared imager, infrared thermoelectricity can be adopted
Release or infrared radiation thermometer in any one equipment.Fibre Optical Sensor can adopt U.S. DTS Sequence distribution formula Fibre Optical Sensors, lead to
Cross network interface connection substation；Radio temperature sensor can adopt wireless sensor network equipment, star-like connected mode, by coordinating
Device node device connects substation (6) by RS485 interfaces；Thermal infrared imager can adopt the Haikang DS- with intelligent recognition function
2CD8313PF-E25 infrared thermal imaging web cameras, directly connect substation (6) by network interface；Can adopt digital red
Outer thermoelectricity releases alarm, connects substation (6) by RS485 interface modules；Infrared radiation thermometer can adopt non-contact infrared temperature
Instrument DT8012B, connects substation (6) by RS485 interface modules.
9. smoke monitoring device (9)：For monitoring the smog of fire generation, conventional ion formula or photo-electric smog can be adopted
Sensor, also can adopt the smog intelligent identification module of Chongqing Hai Pu to camera acquisition video by video identification smog
Image carries out video smoke identification, connects substation (6) by network interface.
Fig. 2 is multiparameter mine laneway fire monitoring alarm system flow chart：
1. the gas concentration data for collecting, ambient temperature data, smoke monitoring data are passed by (201) each monitoring device
Give substation (6).
2. each Monitoring Data that (202) substation (6) is received, forwards the data to down-hole switch (5).
3. the Monitoring Data that data substation is transmitted is transferred to the core switch on well by (203) down-hole switch (5)
(4)。
4. (204) core switch (4) transfers data to netscape messaging server Netscape.
5. (205) netscape messaging server Netscape (1) is stored to each sensing data, and analytical data change, such as data
Change meets alert and if then sends alarm signal by RS232 Interface Controller alarm devices (2) and monitoring device (3).Data
It is abnormal to include CO, CO in specific monitored area2、NOXAt setting time interval, interior concentration lift-off value exceedes given threshold, O2、CH4
At setting time interval, (exception of every kind of gas concentration is different as an independent data more than given threshold for interior concentration decreasing value
Often)；Temperature data exceedes given threshold in the interior lift-off value in setting time interval；Monitor smog；When data exception item quantity surpasses
Given threshold is crossed, is then judged to fire.Each monitoring threshold is set or is manually set according to site environment measurement and obtained.
6. (206) alarm device (2) receive information processing server (1) is believed by the controlling alarm that RS232 interfaces are transmitted
Number, send sound and light alarm.
7. the alarm signal that (207) monitoring device (3) receive information processing server (1) is transmitted by core switch (4)
Number, fire location is shown by computer display screen.
Fig. 3 for gas concentration sensoring 1 principle schematic of specific embodiment, mainly including generating laser, swash
Optical receiver, control process unit and display unit.Control process unit is responsible for controlling laser transmitter projects laser；Process and swash
The signal that optical receiver is returned obtains gas concentration and reverberation distance；Control communication interface is communicated；Control display screen shows
Show；Receive the operation signal of button and processed accordingly.Core processor (301), signal generator (302), phaselocked loop
Amplifier (303), analog-digital converter (304), digital phase discriminator (305) and other auxiliary elements；Generating laser is responsible for range finding
And the transmitting of the laser signal of gas-monitoring, including lasing light emitter (306) and head (307)；Laser pickoff is responsible for receiving laser
Laser signal is converted to the signal of telecommunication by signal, and concrete composition includes receiving lens (308), darkroom (309) and photodetector
(310)；Communication interface (311) is transmitted for Monitoring Data；Display unit is responsible for gas concentration and is shown with working state of device data
The main element for showing is display screen (312).Main element includes：
1. core processor (301), using Samsung S3C2440 processors, S3C2440 is based on the micro- of ARM920T kernels
Processor,；S3C2440 has 3 UART interfaces, 2 SPI interfaces, 2 USB interface, 1 IIC-BUS interface；Using embedded
Formula Linux platform realizes that drive control communicates.
2. signal generator (302), are responsible for producing the tune monitored for gas concentration for controlling laser transmitter projects
Sawtooth wave control signal processed and the reference signal of signal analysis, including multiple portions such as DDS generators, filter circuit, adder
Point.
3. phaselocked loop amplifier (303), using two modules, be each responsible for extracting gas absorption signal once, it is secondary
Harmonic wave, suppresses noise using the orthogonal property of signal and noise, improves signal to noise ratio, can mutually be amplified using LIA-MV-150 locks
Device module.
4. analog-digital converter (304), be responsible for by lock-in amplifier demodulate once, secondary analogue signal be converted into numeral
Signal, can adopt 16 multi-channel a/d converter chips of ADS8364, with 6 fully differential input channels.
5. digital phase discriminator (305), responsible to process the distance measuring signal for receiving, and will receive signal and enters with control signal is sent
Row is compared, and is obtained the phase contrast between signal, and is sent phase contrast to core processor by interface with data mode.
6. lasing light emitter (306), using semiconductor laser with tunable, can send the laser of multi-wavelength, for measurement not
Same gas concentration, can be integrated using IBSG-TO5TEC series semiconductor laser with tunable, the semiconductor laser with tunable
TEC current temperatures control semiconductor element, for temperature adjustment, stabilizing wave lenth of laser and power.
7. head (307), for controlling connecing for the direction of the launch and laser pickoff of semiconductor laser with tunable (311)
Debit to, can by the external MAX485 chips in core processor SPI communication port by cradle head control protocol integrated test system head move, cloud
Platform both horizontally and vertically can be being rotated using video camera standard supervision head.
8. receiving lens (308), are responsible for will reflect back into the laser for coming and assemble to photodetector.
9. darkroom (309), using closed cylindrical structure, inwall applies light absorbent.
10. photodetector (310), are responsible for for the laser signal for receiving being converted to the signal of telecommunication, including light receiving element
And amplifying circuit；Light receiving element adopts InGaAs PIN photodiode, amplifying circuit main element to adopt AD603, in parallel
Two voltage followers connect phaselocked loop amplifier (307) and digital phase discriminator (309) respectively.
11. communication interfaces (311), including wired communication interface and wireless communication interface, the main core of wired communication interface
Piece adopts the singlechip Ethernet mac controller that DM9000, DM9000 are completely integrated, and the procotol on upper strata is by core processing
The built-in Linux of device drives and supports.DM9000 supports 10/100M self adaptations, supports the supply voltage of 3.3V and 5V.DM9000 leads to
Network isolation transformer interface chip YL18-1080S connection RJ45 network interfaces are crossed, realizes leading to the physical connection of network
Letter；Wifi wireless network card of the wireless communication interface using standard USB interface, drives in system, USB port and Wifi wireless network cards drives
Dynamic program realizes network communication services under supporting.
12. display screens (312), using 3.5 cun of color LCD screens, resolution 480x800, carry display by Linux and drive journey
Sequence drives.
13. buttons (313), for gas concentration sensoring parameter and function setting and control, including determine, return,
Upper shifting, the function key such as move down.
Specific embodiment 2 principle schematics of the Fig. 4 for gas concentration sensoring.Embodiment 2 and embodiment 1
One difference is, using the multiple different semiconductor laser with tunable controlled by multi-channel data selector (314), to be used for
The laser of transmitting different wave length, laser need to be launched by splicer (315) and light path selector and collimator；Another area
It is not 2 no head of embodiment, and adopts 8 collimators, each collimator points to different directions, 8 collimators
(317) connect light selector switch (316), splicer (315) is sent by light selector switch (316) by the control of core processor (301)
Laser carry out routing, by laser from select certain road collimator (317) send, so as to realize time division multiplexed be multiplexed.It is involved
Element it is as follows：
1. multi-channel data selector (314), are responsible between signal generator (305) and multichannel semiconductor laser with tunable
Gating, CD4051BC bilateral analog switch can be adopted, by 3 I/O mouths control gating of core processor (302), 1 I/O
Mouth controlling switch；COMMON IN/OUT mouths are connected with signal generator (305), and 4 IN/OUT mouths connect different tunable respectively
Semiconductor laser (311).
2. lasing light emitter (306), using semiconductor laser with tunable, can send monitored gas absorption peak wavelength
Laser, semiconductor laser with tunable of the gas with various using different wave length can be using SAF117XS Series Bellevilles tunable half
Conductor semiconductor laser with tunable, the integrated TEC current temperatures of the semiconductor laser with tunable control semiconductor element.
3. splicer (315), will be the Laser synthesizing of different wave length a branch of using optical fiber wave multiplexer, this device each tunable half
Conductor laser adopts time division emission, so the outfan at most also laser output of only one of which wavelength at any time.
4. smooth selector switch (316) can adopt 1000 OSS light routing devices of Vispace, be passed through by core processor (302)
Serial ports control routing connection.
5. collimator (317), the light beam for controlling laser orientation transmitting and being formed in space, are swashed using FC Interface Fibers
Light collimating lenses.
Fig. 5 is 2 collimator arrangement architecture schematic diagram of gas concentration sensoring embodiment.
Gas concentration sensoring workflow is as shown in Figure 6：
1. (501), core processor (301) start by set date once monitors scanning process.
2. (502), laser ranging is carried out first, and core processor (301) control signal generator (302) is just producing 10M
String ripple signal.
3. (503), sine wave signal drives lasing light emitter (306) to send the laser for detection range.Embodiment 1 is sinusoidal
Ripple signal directly drives semiconductor laser with tunable, and 2 sine wave signal of embodiment need to be through multi-channel data selector (314)
Behind selection path, then corresponding semiconductor laser with tunable is driven, then through splicer (315), light path selector switch (316),
Laser is launched by the collimator (317) of respective angles.
4. (504), range laser runs into reverberation fraction of laser light and is reflected, and receiving lens (308) collect what is reflected
Laser is assembled to photodetector (310), and the laser signal for receiving is converted to the signal of telecommunication by photodetector.
5., after (505), digital phase discriminator (305) processes the process such as the range finding signal of telecommunication for receiving, amplified, mixing, obtain
Obtain and send the phase contrast between control signal, phase contrast sends core processor by interface with data mode.
6. (506), core processor (301) receiving phase difference data, obtains between device and reverberation according to phase contrast
Distance.
7. (507), core processor (301) control signal generator sends the sawtooth signal of 50Hz and with 50kHz's
Sinusoidal signal is modulated.
8. (508), modulated sawtooth signal drives lasing light emitter (306) to send inswept a certain GAS ABSORPTION peak value ripple
The laser of long scope.1 sine wave signal of embodiment directly drives semiconductor laser with tunable；2 sine wave of embodiment is believed
Number after multi-channel data selector (123) selects corresponding gas passage, then corresponding tunable semiconductor laser need to be driven
Device, then through splicer (315), light path selector switch (316), laser is launched by corresponding collimator (317).
9. (509), laser runs into reverberation fraction of laser light through the air of tested region and is reflected, receiving lens (308)
The laser that collection is reflected is assembled to photodetector (310), and the laser signal for receiving is converted to electricity by photodetector
Signal.
10. (510), phaselocked loop amplifier (303) receives the signal of telecommunication, and timesharing receives the modulation letter that signal generator is provided
Number and modulated signal frequency-doubled signal, Jing process extract timesharing obtain once, second harmonic signal.
11. (511), analog-digital converter (304) will once, second harmonic signal digitized.
12. (512), core processor (301) is received once, the data of second harmonic signal, and process obtains institute's Jing light paths
On surveyed gas concentration.
13. (513), core processor control converted gas monitoring repeats the gas concentration measurement mistake of (507) to (512)
Journey monitoring is until complete all gas concentration monitor.
14. (514), embodiment 1：Core processor (301) control head (307) drives lasing light emitter (306) and laser
Receptor rotates an angle；Embodiment 2：Core processor (301) control multi-channel data selector (121) selects lasing light emitter
(306) path, then corresponding lasing light emitter is driven, then through splicer (315), light path selector switch (316), by another angle
Collimator (317) launches laser.The process until complete for repeating (502) to (513) range finding and gas concentration monitoring owns
The monitoring of set angle.
15. (515), core processor process (301) institute angled upper acquisition distance and each gas concentration, obtain difference
Each gas concentration data of distance areas and three-dimensional spatial area
16. (516), core processor processes (301) and uploads data by communication interface (311), and passes through display screen
(312) video data.
Claims (10)
1. a kind of multiparameter mine laneway fire monitoring alarm system, it is characterised in that：System mainly includes gas concentration remote sensing
Device, device for detecting temperature, smoke monitoring device, netscape messaging server Netscape, alarm device and communication network；Gas concentration remote sensing
Device mainly includes generating laser, laser pickoff, control process unit and display unit；Gas concentration sensoring is adopted
Open air chamber, can carry out remote sensing monitoring to multiple gases concentration in environment；Gas concentration sensoring has laser ranging function；
Netscape messaging server Netscape is responsible for processing gas concentration data, ambient temperature data and smoke monitoring data, is tied according to data processing
Fruit sends sound and light alarm by alarm unit, sends fire alarm information by communication network.
2. monitor and alarm system as claimed in claim 1, it is characterised in that：The laser of the gas concentration sensoring of system is sent out
Emitter employing can automatically adjust the generating laser of the direction of the launch, and control process unit controls Laser emission to scan monitoring mode
The device direction of the launch, carries out different directions gas concentration and distance monitoring.
3. monitor and alarm system as claimed in claim 1, it is characterised in that：The laser of the gas concentration sensoring of system is sent out
Emitter produces laser by lasing light emitter, and lasing light emitter can be produced for detecting the laser of multiple gases.
4. monitor and alarm system as claimed in claim 1, it is characterised in that：The laser of the gas concentration sensoring of system is sent out
Emitter produces laser by lasing light emitter, and generating laser includes multiple lasing light emitters, and each lasing light emitter is used to produce a kind of gas of detection
The laser of body.
5. monitor and alarm system as claimed in claim 1, it is characterised in that：The laser of the gas concentration sensoring of system is sent out
Emitter adopts semiconductor laser with tunable；The controlled processing unit control of semiconductor laser with tunable, sends different wave length
Laser；Laser pickoff receives the laser for reflecting, and laser signal is converted to the signal of telecommunication, control process cell processing electricity
Signal, obtains corresponding gas concentration.
6. monitor and alarm system as claimed in claim 1, it is characterised in that：The laser of the gas concentration sensoring of system is sent out
Emitter can send CO, CO2、O2、CH4And NOXThe laser of the different wave length of molecule absorption peak value.
7. monitor and alarm system as claimed in claim 1, it is characterised in that：The equipment being arranged in system in explosion environment is equal
For explosion-proof type equipment.
8. monitor and alarm system as claimed in claim 1, it is characterised in that：The smoke monitoring device of system includes video monitor
Equipment.
9. monitor and alarm system as claimed in claim 1, it is characterised in that：The smoke monitoring device of system includes that smog is sensed
Device.
10. monitor and alarm system as claimed in claim 1, it is characterised in that：The device for detecting temperature of system includes that optical fiber is passed
Sensor, temperature sensor, thermal infrared imager, infrared thermoelectricity are released or infrared radiation thermometer.
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| CN201621144938.1U CN206092071U (en) | 2016-10-21 | 2016-10-21 | Multi -parameter mine tunnel fire monitoring alarm system |
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| CN201621144938.1U CN206092071U (en) | 2016-10-21 | 2016-10-21 | Multi -parameter mine tunnel fire monitoring alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401650A (en) * | 2016-10-21 | 2017-02-15 | 中国矿业大学(北京) | Multi-parameter mine laneway fire monitoring and alarming system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401650A (en) * | 2016-10-21 | 2017-02-15 | 中国矿业大学(北京) | Multi-parameter mine laneway fire monitoring and alarming system |
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