CN206092069U - Mine tunnel fire monitoring alarm system - Google Patents
Mine tunnel fire monitoring alarm system Download PDFInfo
- Publication number
- CN206092069U CN206092069U CN201621144811.XU CN201621144811U CN206092069U CN 206092069 U CN206092069 U CN 206092069U CN 201621144811 U CN201621144811 U CN 201621144811U CN 206092069 U CN206092069 U CN 206092069U
- Authority
- CN
- China
- Prior art keywords
- laser
- gas concentration
- monitoring
- alarm
- fire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000012806 monitoring device Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 64
- 239000004065 semiconductor Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 239000000835 fiber Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 230000005619 thermoelectricity Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 6
- 230000010365 information processing Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 238000012351 Integrated analysis Methods 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The utility model discloses a 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, wind direction monitoring devices etc, the characteristics such as gas strength of the accessible gas strength remote sensing device of system in to the monitoring area environment is monitored to through to monitoring data integrated analysis such as wind directions, 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
The utility model is related to a kind of mine laneway fire monitoring alarm system, and the system is related to sensor technology, laser
The fields such as 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.At present the monitoring method of mine laneway fire mainly adopts temperature monitoring and smoke monitoring etc., smoke monitoring to exist anti-
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
The utility model purpose is to provide a kind of mine laneway fire monitoring alarm system, can remote sensing monitoring it is more remote
In the range of roadway fire cause various environmental datas to change, the symbolic gas CO of fire particularly in lane space region,
CO2、O2、CH4And NOXChange in concentration, carry out fire alarm according to the data that obtain of monitoring.The system mainly includes gas
Concentration remote-sensing device, device for detecting temperature, wind direction monitoring device, netscape messaging server Netscape, warning device and communication network；Gas
Concentration remote-sensing device mainly includes generating laser, laser pickoff, control process unit and display unit；Gas concentration remote sensing
Device can carry out remote sensing monitoring using open air chamber to multiple gases concentration in environment；Gas concentration sensoring has laser
Distance measurement function；Netscape messaging server Netscape is responsible for processing gas concentration data, ambient temperature data and wind direction Monitoring Data, according to number
Sound and light alarm is sent by alarm unit according to result, fire alarm information is sent by communication network.
1. the 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 is carried out not with scanning monitoring mode control laser transmitter projects direction
Equidirectional gas concentration and distance monitoring.
2. the 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 produce the laser for detecting multiple gases.
3. system is further included described in：The generating laser of the gas concentration sensoring of system is produced by lasing light emitter
Laser, generating laser includes multiple lasing light emitters, and each lasing light emitter is used to produce a kind of laser of gas of detection.
4. system is further included described in：The generating laser lasing light emitter of the gas concentration sensoring of system is using adjustable
Humorous semiconductor laser；The controlled processing unit control of semiconductor laser with tunable, sends the laser of different wave length；Laser connects
Receive device and receive the laser for reflecting, laser signal is converted to into electric signal, control process cell processing electric signal obtains corresponding
Gas concentration.
5. system is further included described in：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. system is further included described in：The equipment being arranged in system in explosion environment is explosion-proof type equipment.
7. system is further included described in：The wind direction monitoring device of system includes ultrasonic wave wind transducer.
8. system is further included described in：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 mine laneway fire monitoring alarm service system composition schematic diagrams.
Fig. 2 mine laneway fire monitoring alarm working-flow figures.
The principle schematic of Fig. 3 gas concentration sensorings embodiment 1.
The principle schematic of Fig. 4 gas concentration sensorings embodiment 2.
The collimater arrangement architecture schematic diagram of Fig. 5 gas concentration sensorings embodiment 2.
Fig. 6 gas concentration sensoring workflow diagrams.
Specific embodiment
Fig. 1 is 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 wind direction data, by analyze data change fire alarm signal is sent.
2. warning 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 administrative staff, 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.
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, and by RS485 interface modules substation (6) is connected；Infrared radiation thermometer can adopt non-contact infrared temperature
Instrument DT8012B, by RS485 interface modules substation (6) is connected.
9. wind direction monitoring device (9)：Mechanical wind transducer can be adopted, ultrasonic wave wind transducer may also be employed.It is super
Sound wave wind transducer obtains wind direction by intersecting the time difference of ultrasonic wave, can adopt HS-FSSB01 ultrasonic wave wind transducers,
Data substation (6) is connected by RS485 interface modules.
Fig. 2 is mine laneway fire monitoring alarm working-flow figure：
1. (201) each monitoring device passes the gas concentration data for collecting, ambient temperature data, wind direction Monitoring Data
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 for (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 analyze data changes, such as data
Change meets alert and if then sends alarm signal by RS232 Interface Controller warning devices (2) and monitoring device (3).Data
It is abnormal to include CO, CO in specific monitored area2、NOXConcentration lift-off value exceedes given threshold, O in setting time interval2、CH4
(exception of every kind of gas concentration is different as an independent data more than given threshold for concentration decreasing value in setting time interval
Often)；Temperature data lift-off value in setting time interval exceedes given threshold；Wind direction takes a turn for the worse；When data exception item quantity
More than given threshold, then it is judged to fire.Each monitoring threshold sets or is manually set and obtains according to site environment measurement.
6. (206) warning 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 the principle schematic of specific embodiment 1, 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
Signal, by laser signal electric signal is converted to, and concrete composition includes receiving lens (308), darkroom (309) and photodetector
(310)；Communication interface (311) is for Monitoring Data transmission；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 interfaces, 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, noise is suppressed 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 analog 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 obtains the phase difference between signal, and sends phase difference 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 the direction of the launch of semiconductor laser with tunable (311) and connecing for laser pickoff
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 can rotated both horizontally and vertically 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 electric signal, including light receiving element
And amplifying circuit；Light receiving element adopts InGaAs PIN photodiodes, amplifying circuit main element to adopt AD603, in parallel
Two voltage followers connect respectively phaselocked loop amplifier (307) and digital phase discriminator (309).
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；Wireless communication interface drives in system, USB port and Wifi wireless network cards drives using the Wifi wireless network cards of standard USB interface
Dynamic program realizes network communication services under supporting.
12. display screens (312), using 3.5 cun of color LCD screens, resolution ratio 480x800, carry display and drive journey by Linux
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.
Fig. 4 is the principle schematic of specific embodiment 2 of 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 collimater；Another area
It is not the no head of embodiment 2, and adopts 8 collimaters, each collimater points to different directions, 8 collimaters
(317) light selector switch (316) is connected, light selector switch (316) is sent splicer (315) by the control of core processor (301)
Laser carry out routing, by laser from select certain road collimater (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, can adopt CD4051BC bilateral analog switch, by core processor (302) 3 I/O mouths control gating, 1 I/O
Mouth controlling switch；COMMON IN/OUT mouths are connected with signal generator (305), and 4 IN/OUT mouths connect respectively different tunable
Semiconductor laser (311).
2. lasing light emitter (306), using semiconductor laser with tunable, can send monitored gas absorption peak wavelength
Laser, gas with various can adopt SAF117XS Series Bellevilles tunable half using the semiconductor laser with tunable of different wave length
Conductor semiconductor laser with tunable, the integrated TEC current temperatures of the semiconductor laser with tunable control semiconductor element.
3. splicer (315), a branch of by the Laser synthesizing of different wave length using optical fiber wave multiplexer, this device each tunable half
Conductor laser adopts time division emission, so the output end at most also laser output of only one of which wavelength at any time.
4. smooth selector switch (316) can adopt Vispace 1000OSS light routing devices, be passed through by core processor (302)
Serial ports control routing connection.
5. collimater (317), the light beam for controlling laser orientation transmitting and being formed in space, are swashed using FC Interface Fibers
Light collimating lenses.
The collimater arrangement architecture schematic diagram of Fig. 5 gas concentration sensorings embodiment 2.
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 producing 10M just
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 the sine wave signal of embodiment 2 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 collimater (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 electric signal by photodetector.
5. (505), digital phase discriminator (305) is processed after the process such as the range finding electric signal for receiving, amplified, mixing, is obtained
Obtain and send the phase difference between control signal, phase difference sends core processor to data mode by interface.
6. (506), core processor (301) receiving phase difference data, obtains between device and reverberation according to phase difference
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.The sine wave signal of embodiment 1 directly drives semiconductor laser with tunable；The sine wave of embodiment 2 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 collimater (317).
9. (509), laser runs into reverberation fraction of laser light and is reflected through the air of tested region, 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 electric signal, 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 digitlization.
12. (512), core processor (301) is received once, the data of second harmonic signal, and process obtains institute's Jing light paths
On the concentration for surveying gas.
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
Receiver 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
Collimater (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 by display screen
(312) display data.
Claims (9)
1. a kind of mine laneway fire monitoring alarm system, it is characterised in that：System mainly includes gas concentration sensoring, temperature
Degree monitoring device, wind direction monitoring device, netscape messaging server Netscape, warning device and communication network；Gas concentration sensoring master
To include generating laser, laser pickoff, control process unit and display unit；Gas concentration sensoring is using open gas
Room, can carry out remote sensing monitoring to multiple gases concentration in environment；Gas concentration sensoring has laser ranging function；At information
Reason server is responsible for processing gas concentration data, ambient temperature data and wind direction Monitoring Data, is passed through according to data processed result
Alarm unit sends sound and light alarm, and by communication network fire alarm information is sent.
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 produce the laser for detecting 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 lasing light emitter adopts semiconductor laser with tunable；The controlled processing unit control of semiconductor laser with tunable, sends not
The laser of co-wavelength；Laser pickoff receives the laser for reflecting, and laser signal is converted to into electric signal, control process unit
Electric signal is processed, corresponding gas concentration is obtained.
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 wind direction monitoring device of system includes ultrasonic wave wind
To sensor.
9. monitor and alarm system as claimed in claim 1, it is characterised in that：The device for detecting temperature of system includes Fibre Optical Sensor
Device, temperature sensor, thermal infrared imager, infrared thermoelectricity are released or infrared radiation thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144811.XU CN206092069U (en) | 2016-10-21 | 2016-10-21 | Mine tunnel fire monitoring alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621144811.XU CN206092069U (en) | 2016-10-21 | 2016-10-21 | Mine tunnel fire monitoring alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092069U true CN206092069U (en) | 2017-04-12 |
Family
ID=58484798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621144811.XU Active CN206092069U (en) | 2016-10-21 | 2016-10-21 | Mine tunnel fire monitoring alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206092069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481361A (en) * | 2016-10-21 | 2017-03-08 | 中国矿业大学(北京) | Mine laneway fire monitoring alarm system |
-
2016
- 2016-10-21 CN CN201621144811.XU patent/CN206092069U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481361A (en) * | 2016-10-21 | 2017-03-08 | 中国矿业大学(北京) | Mine laneway fire monitoring alarm system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106401650A (en) | Multi-parameter mine laneway fire monitoring and alarming system | |
| CN106485867A (en) | Multiparameter mine exogenous fire monitoring and alarming system | |
| CN106640195A (en) | Mine explosion monitoring and warning system | |
| CN106647557A (en) | Mine explosion monitoring alarm and control system | |
| CN106448020A (en) | Exogenous mine fire monitoring alarm system | |
| CN106355818B (en) | Mine goaf fire monitoring and early warning device | |
| CN206441305U (en) | Multi-parameter mine exogenous fire monitoring and alarming system | |
| CN106323911B (en) | Multi-light source mine post-disaster environmental gas remote sensing equipment | |
| CN206133843U (en) | Mine external fire monitors alarm system | |
| CN207261045U (en) | Mine explosion monitor and alarm system | |
| CN207866704U (en) | 2-d reconstruction system for TDLAS laser gas remote measurements | |
| CN107246281A (en) | Mine self caused fire monitoring early-warning system | |
| CN209621401U (en) | A kind of early warning system based on thermo parameters method formula fiber-optic monitoring | |
| CN106481361A (en) | Mine laneway fire monitoring alarm system | |
| CN206440986U (en) | Mine explosion monitoring, alarming and control system | |
| CN103454243A (en) | Optical fiber distribution type multi-point online gas monitoring system and main engine thereof | |
| CN106323912B (en) | Multi-parameter mine post-disaster environmental gas remote sensing equipment | |
| CN112798558A (en) | Automatic focusing laser gas remote measuring device | |
| CN109389797A (en) | A kind of fire early-warning system and method for photovoltaic plant | |
| CN109000822A (en) | Distributed fiber temperature measuring device | |
| CN206092069U (en) | Mine tunnel fire monitoring alarm system | |
| CN206092071U (en) | Multi -parameter mine tunnel fire monitoring alarm system | |
| CN202047867U (en) | Gas concentration real-time detecting system | |
| CN205081787U (en) | Light module parameter testing arrangement | |
| CN203490168U (en) | Fiber-distributed multi-point online gas monitoring system and host thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |