CN206440986U - Mine explosion monitoring, alarming and control system - Google Patents
Mine explosion monitoring, alarming and control system Download PDFInfo
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- CN206440986U CN206440986U CN201621146404.2U CN201621146404U CN206440986U CN 206440986 U CN206440986 U CN 206440986U CN 201621146404 U CN201621146404 U CN 201621146404U CN 206440986 U CN206440986 U CN 206440986U
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Abstract
The utility model discloses a kind of mine explosion monitoring, alarming and control system.The system mainly includes netscape messaging server Netscape, warning device, communication network, datonation-inhibition fire-extinguishing apparatus, gas concentration monitoring device and all kinds of environment monitoring devices；The system can monitor the change of a variety of data such as smog caused by gas explosion, temperature, and symbolic gas concentration is monitored by gas concentration monitoring device, mine explosion alarmed according to monitoring obtained data, and automatic datonation-inhibition fire extinguishing, reduce casualties, the loss that reduction gas explosion is caused.The system substantially increases the alarm degree of accuracy, and it is slow to overcome the reaction that the methods such as the used gas monitor of tradition blast monitoring are present, the shortcomings of rate of false alarm and high rate of failing to report, and important leverage is provided for Safety of Coal Mine Production.
Description
Technical field
The utility model is related to a kind of mine explosion monitoring, alarming and control system, and the system is related to sensor technology, swashed
The fields such as light 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.China's coal-mine severe and great casualty death toll, gas accident accounts for 66.5%,
Mine fire, gas and dust explosion accident, anthracemia death by suffocation number are up to 80%.If can be early in mine explosion
Phase realize detection with it is datonation-inhibition, to promptly and accurately suppress blast, reduce blast coverage, reduce casualties, reduce gas it is quick-fried
The fried loss caused is significant.The method of preventing and treating mine explosion accident is mainly gas density under monitoring well at present, but
It is only to cause one of necessary condition of mine explosion that gas density, which transfinites, if not possessing the other conditions of gas explosion, i.e.,
Gas density is transfinited also will not set off an explosion, and because methane transducer is installed near explosive scene, when blast occurs
When easily cause direct infringement, it is impossible to gathered data again, can not before blast occurs so traditional gas monitor type of alarm
Accurate early warning, can not accurately alarm after blast occurs, and can not also realize automatic datonation-inhibition.Beyond mash gas monitoring method, it is based on
The gas explosion monitoring method of the features such as smog, temperature, vibrations is also applied, but because the data and method of monitoring still compare
More single, the alarm degree of accuracy is not very good.Therefore a kind of new mine explosion monitoring, alarming and control system are needed, with full
Sufficient Safety of Coal Mine Production requirement.
Utility model content
The utility model purpose is to provide a kind of mine explosion monitoring, alarming and control system, can monitor gas explosion and draw
Rise portion gas concentration, wind speed, wind direction, sound, smog, temperature, air pressure, vibrations, sound, the change of light, according to prison
The data measured suppress to mine explosion, reduce blast coverage.The system mainly includes gas concentration and monitored
Device, micro seismic monitoring device, air pressure monitoring device, blast sound monitoring device, fireball monitoring device, device for detecting temperature,
It is air monitoring device, wind direction monitoring device, smoke monitoring device, netscape messaging server Netscape, warning device, communication network, datonation-inhibition
Fire-extinguishing apparatus；Netscape messaging server Netscape is responsible for all gas concentration data, microseism data, air pressure data, voice data, fire
Ball Monitoring Data, temperature data, air speed data, the collection of wind direction data and smoke monitoring data and plant failure data, processing
And storage, sound and light alarm is sent by warning device according to data processed result, explosion alarming information is sent by communication network,
And datonation-inhibition fire extinguishing is carried out by datonation-inhibition fire-extinguishing apparatus.
1. described in system further comprise：The gas concentration monitoring device of system is gas concentration sensoring；Gas is dense
Spending sensoring mainly includes generating laser, laser pickoff, control process unit and display unit；Gas concentration remote sensing is filled
Put using open air chamber, remote sensing monitoring can be carried out to multiple gases concentration in environment；Gas concentration sensoring has Laser Measuring
Away from function.
2. described in system further comprise：The generating laser use of gas concentration sensoring can automatically adjust launch party
To generating laser, control process unit carries out different directions to scan monitoring mode control laser transmitter projects direction
Gas concentration and apart from monitoring.
3. described in system further comprise：Gas generating laser produces laser by lasing light emitter, and a lasing light emitter can be produced
Laser for detecting multiple gases.
4. the system further comprises：Generating laser produces laser by lasing light emitter, and generating laser includes multiple
Lasing light emitter, each lasing light emitter is used to produce a kind of laser of gas of detection.
5. described in system further comprise：The generating laser lasing light emitter of gas concentration sensoring 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
The laser reflected is received, laser signal electric signal is converted into, control process cell processing electric signal obtains corresponding gas
Concentration.
6. described in system further comprise：The generating laser of gas concentration sensoring can send CO, CO2、O2、CH4With
NOXThe laser of the different wave length of molecule absorption peak value.
7. described in system further comprise：The fireball monitoring device of system includes video surveillance devices.
8. described in system further comprise：The smoke monitoring device of system includes video surveillance devices.
9. described in system further comprise：The wind direction monitoring device and air monitoring device of system include Integral ultrasonic
Wind direction and wind velocity sensor.
10. described in system further comprise：The datonation-inhibition fire-extinguishing apparatus of system includes inert gas spraying equipment.
11. described in system further comprise：The datonation-inhibition fire-extinguishing apparatus of system includes rock dust spraying equipment.
12. described in system further comprise：The datonation-inhibition fire-extinguishing apparatus of system includes watering sprinkling equipment.
13. described in system further comprise：The equipment being arranged in system in explosive atmosphere is explosion-proof type equipment.
Brief description of the drawings
Fig. 1 mine explosion monitor and alarm system composition schematic diagrams.
Fig. 2 mine explosion monitor and alarm system workflow diagrams.
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.
Embodiment
Fig. 1 is mine explosion monitor and 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, it is micro-
Shake data, air pressure data, voice data, fireball Monitoring Data, temperature data, air speed data, wind direction data and smog prison
Data variation and plant failure are surveyed, alarm signal is sent by analyze data change and fault message.
2. warning device (2)：Sound and light alarm is sent by netscape messaging server Netscape control, passed through with netscape messaging server Netscape
RS232 interface connection communications.
3. monitoring device (3)：For production, administrative staff provide data query and production monitoring service, by information processing services
Device provides field data, is shown with alarm and GIS service function.
4. core switch (4)：It is responsible for management and the data exchange of the equipment of all mining Ethernets of access, is handed over underground
Change planes (5) connected by optical fiber, communication network device include core switch (4), underground interchanger (5) and data substation
(6)。
5. underground interchanger (5)：Be responsible for access and the data exchange of data substation, by optical fiber and each underground interchanger with
Looped network mode is connected.
6. data substation (6)：It is responsible for access and the data exchange of each monitoring device, optical fiber is passed through with underground interchanger (5)
Connection.
7. gas concentration monitoring device (7)：, can be to many in environment using open air chamber using gas concentration sensoring
Plant gas concentration and carry out remote sensing monitoring, with laser ranging function.
8. micro seismic monitoring device (8)：It is responsible for collection vibration signal, and signal is digitized, then obtained number will be digitized
According to transmitting to data substation (6), the digital 3-axis acceleration sensor BMA250 of BOSCH can be used, SPI interface output passes through
RS485 modules connection data substation (6).
9. air pressure monitoring device (9)：For monitoring tunnel differential pressure collection air pressure data, GPD10 types can be used
Coal negative pressure sensor used for mining, data substation (6) is connected by RS485 interface modules.
10. sound monitoring device of exploding (10)：For gather monitoring voice data, when monitor blast sound then output switch believe
Number data substation (6) is arrived, triggering can be can adjust sensitive using the main sound transducer being made up of LM393 and Electret condenser microphone
Spend to monitor blast sound.
11. fireball monitoring device (11)：For monitor blast produce fireball, can by camera acquisition video image,
Also image can be recognized by video image identification equipment, such as set using infrared imaging instrument or ultraviolet imaging instrument collection image
Fix time and be spaced interior high temperature or highlight regions area more than given threshold, be then determined as fireball, device is connected by network interface
Underground interchanger.The Haikang DS-2CD8313PF-E25 infrared thermal imaging web cameras with intelligent recognition function can be used.
12. device for detecting temperature (12)：For monitoring explosive regional temperature, non-contact infrared thermometer can be used
DT8012B, data substation (6) is connected by RS485 interface modules.
13. air monitoring device (13)：Mechanical air velocity transducer can be used, Integral ultrasonic wind speed and wind can be also used
To sensor, wind speed and wind direction are obtained by intersecting the time difference of ultrasonic wave, wind direction monitoring device (13) is directly integrated.It can use
HS-FSSB01 Integral ultrasonic wind speed wind direction sensors, data substation (6) is connected by RS485 interface modules.
14. wind direction monitoring device (14)：Mechanical wind transducer can be used, Integral ultrasonic wind speed and wind can be also used
To sensor.
15. smoke monitoring device (15)：For monitoring the smog that blast is produced, can also may be used using traditional Smoke Sensor
By camera acquisition video image, the smog in image is recognized by video image identification equipment, such as in setting time interval cigarette
Cloudy surface product exceedes given threshold, then is determined as fireball, and underground interchanger is connected by network interface.
16. datonation-inhibition fire-extinguishing apparatus (16)：For suppressing blast, the caused fire that explodes is prevented, reduces blast coverage,
It can be sprayed according to the selection of the environment and material characteristicses in explosive region using inert gas spraying equipment, rock dust spraying equipment or watering
Equipment.Datonation-inhibition fire-extinguishing apparatus passes through RS485 interfaces and data substation (6) connection communication.
Fig. 2 is mine explosion monitor and alarm system workflow diagram：
1. (201) collection of each monitoring device respectively gas concentration data, microseism data, air pressure data, voice data,
Fireball Monitoring Data, temperature data, air speed data, wind direction data and smoke monitoring data.Micro seismic monitoring device (8), air pressure
Power monitoring device (9), blast sound monitoring device (10), device for detecting temperature (12), air monitoring device (13), wind direction monitoring
Device (14) sends the data of collection to data substation (6)；Fireball monitoring device (11), smoke monitoring device (15) are by data
Mining Ethernet is directly sent to transmit.
2. (202) data substation (6) receives micro seismic monitoring device (8), air pressure monitoring device (9), blast sound monitoring
Device (10), device for detecting temperature (12), air monitoring device (13), the data of wind direction monitoring device (14), regularly by data
Packing send mining Ethernet to transmit.
3. (203) data that underground interchanger (5) transmits data substation are filled with fireball monitoring device (11), smoke monitoring
Put the core switch (4) in the data transfer to well (15) directly transmitted.
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 monitor gas concentration data, it is micro-
Shake data, air pressure data, voice data, fireball Monitoring Data, temperature data, air speed data, wind direction data and smog prison
Data variation is surveyed, and each monitoring device working condition is judged by timer, by analyze data change and fault message, is such as accorded with
Close alert and if alarm signal is then sent by RS232 Interface Controllers warning device (2) and monitoring device (3).Data exception bag
Include explosive zone gas concentration data CO, CO2、NOXConcentration lift-off value exceedes given threshold, O in setting time interval2、CH4
More than given threshold, (change in concentration of every kind of gas is used as an independent number to concentration decreasing value extremely in setting time interval
According to exception), microseism data integrated value exceedes given threshold in setting time interval, and air pressure data are at setting time interval
Interior lift-off value exceedes given threshold, monitors to monitor fireball in plosive, setting time interval, temperature data is in setting time
Lift-off value exceedes given threshold in interval, and air speed data lift-off value in setting time interval exceedes given threshold, and wind direction is being set
Fix time and taken a turn for the worse in being spaced, smog, and sensor failure are monitored in setting time interval, when data exception item number
Amount with sensor fault quantity and more than given threshold, then be judged to exploding.Each monitoring threshold is surveyed according to site environment
Amount sets or is manually set and obtains.
6. (206) controlling alarm that warning device (2) receive information processing server (1) is transmitted by RS232 interfaces is believed
Number, send sound and light alarm.
7. (207) alarm signal that monitoring device (3) receive information processing server (1) is transmitted by mining Ethernet,
Explosion site is shown by computer display screen.
8. (208) datonation-inhibition fire-extinguishing apparatus (16) reception sends number to by netscape messaging server Netscape (1) by mining Ethernet
According to substation (6), then the control signal forwarded by data substation (6) by RS485 interfaces, opening controlling valve door injection indifferent gas
Body, rock dust or spray watering, carry out datonation-inhibition fire extinguishing.
Fig. 3 be gas concentration sensoring the principle schematic of 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；Processing swashs
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 handled 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 ranging
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, electric signal is converted to by laser 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 shown with working state of device data
The main element shown 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；Use insertion
Formula Linux platform realizes that drive control communicates.
2. signal generator (302), being responsible for producing is used to control laser transmitter projects to be used for the tune that gas concentration is monitored
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 analog signal be converted into numeral
Signal, can use 16 multi-channel a/d converter chips of ADS8364, with 6 fully differential input channels.
5. digital phase discriminator (305), responsible to handle the distance measuring signal received, signal will be received and entered with sending control signal
Row is compared, and obtains the phase difference between signal, and send 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 measuring not
Same gas concentration, can be using the serial semiconductor laser with tunable of IBSG-TO5TEC, and the semiconductor laser with tunable is integrated
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 pass through 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), the laser for being responsible for will reflect back into is assembled to photodetector.
Darkroom 9. (309), using closed cylindrical structure, inwall applies light absorbent.
10. photodetector (310), is responsible for the laser signal received being converted to electric signal, including light receiving element
And amplifying circuit；Light receiving element uses InGaAs PIN photodiodes, and amplifying circuit main element uses AD603, in parallel
Two voltage followers connect phaselocked loop amplifier (307) and digital phase discriminator (309) respectively.
11. communication interface (311), including wired communication interface and wireless communication interface, the main core of wired communication interface
Piece uses 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 drivings of device are supported.DM9000 supports 10/100M adaptive, supports 3.3V and 5V supply voltage.DM9000 leads to
Network isolation transformer interface chip YL18-1080S connection RJ45 network interfaces are crossed, realizes and the physical connection of network is led to
Letter；Wireless communication interface uses the Wifi wireless network cards of standard USB interface, is driven in system, USB port driving and Wifi wireless network cards
Dynamic program realizes network communication services under supporting.
12. display screen (312), using 3.5 cun of color LCD screens, resolution ratio 480x800 carries display driving journey by Linux
Sequence drives.
13. button (313), for gas concentration sensoring parameter and function setting and control, including determine, return,
The function key such as move up, move down.
Fig. 4 is the principle schematic of embodiment 2 of gas concentration sensoring.Embodiment 2 and embodiment 1
One difference is to use the multiple different semiconductor laser with tunable controlled by multi-channel data selector (314), is used for
Launch the laser of different wave length, laser need to be launched by splicer (315) and light path selector and collimater；Another area
It is not embodiment 2 without head, and uses 8 collimaters, each collimater points to different directions, 8 collimaters
(317) connection light selector switch (316), light selector switch (316) is sent splicer (315) by the control of core processor (301)
Laser carry out routing, laser is sent from certain road collimater (317) of selection, thus realize time division multiplexed be multiplexed.It is involved
Element it is as follows：
1. multi-channel data selector (314), is responsible between signal generator (305) and multichannel semiconductor laser with tunable
Gating, can use CD4051BC bilateral analog switch, by core processor (302) 3 I/O mouthful control gating, 1 I/O
Mouth controlling switch；IN/OUT mouthfuls of COMMON is connected with signal generator (305), and 4 IN/OUT mouthfuls connect different adjustable respectively
Humorous semiconductor laser (311).
2. lasing light emitter (306), using semiconductor laser with tunable, can send monitored gas absorption peak wavelength
Laser, gas with various uses the semiconductor laser with tunable of different wave length, can be using SAF117XS Series Bellevilles tunable half
Conductor semiconductor laser with tunable, the integrated TEC current temperatures control semiconductor element of the semiconductor laser with tunable.
3. splicer (315), a branch of by the Laser synthesizing of different wave length using optical fiber wave multiplexer, the present apparatus each tunable half
Conductor laser uses 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 use the OSS light routing devices of Vispace 1000, passed through by core processor (302)
Serial ports control routing connection.
5. collimater (317), the light beam that control laser orientation is launched and formed in space, is swashed using FC Interface Fibers
Light collimating lenses.
Fig. 5 is the collimater arrangement architecture schematic diagram of gas concentration sensoring 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), carrying out laser ranging first, core processor (301) control signal generator (302) is producing 10M just
String ripple signal.
3. (503), sine wave signal driving lasing light emitter (306) sends 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 pass through multi-channel data selector (314)
Behind selection path, then corresponding semiconductor laser with tunable is driven, then by 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 reflected, receiving lens (308) collect what is reflected
Laser is assembled to photodetector (310), and the laser signal received is converted to electric signal by photodetector.
5. (505), digital phase discriminator (305) handles the ranging electric signal received, after amplified, mixing etc. is handled, obtain
Obtain sending 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, is obtained between device and reverberation according to phase difference
Distance.
7. (507), core processor (301) control signal generator sends 50Hz sawtooth signal and with 50kHz's
Sinusoidal signal is modulated.
8. (508), modulated sawtooth signal driving lasing light emitter (306) sends inswept a certain gas absorption peak 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 need to be after multi-channel data selector (123) select corresponding gas passage, then drive corresponding tunable semiconductor laser
Device, then by splicer (315), light path selector switch (316), laser is launched by corresponding collimater (317).
9. (509), laser runs into reverberation fraction of laser light through the air of tested region and reflected, receiving lens (308)
Collect the laser reflected to assemble to photodetector (310), the laser signal received 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, through processing extract timesharing obtain once, second harmonic signal.
11. (511), analog-digital converter (304) will once, second harmonic signal digitlization.
12. (512), core processor (301) receive once, the data of second harmonic signal, processing obtain through light path
On the concentration for surveying gas.
13. (513), the monitoring of core processor control converted gas, 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) selection laser
Source (306) path, then corresponding lasing light emitter is driven, then by splicer (315), light path selector switch (316), by another angle
The collimater (317) of degree launches laser.(502) are repeated to the process of (513) ranging and gas concentration monitoring until completing
The monitoring of all set angles.
15. (515), core processor processing (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 processing (301) uploads data by communication interface (311), and passes through display screen
(312) display data.
Claims (14)
1. a kind of mine explosion monitoring, alarming and control system, it is characterised in that：System mainly include gas concentration monitoring device,
Micro seismic monitoring device, air pressure monitoring device, blast sound monitoring device, fireball monitoring device, device for detecting temperature, wind speed prison
Survey device, wind direction monitoring device, smoke monitoring device, netscape messaging server Netscape, warning device, communication network, datonation-inhibition fire extinguishing are set
It is standby；Netscape messaging server Netscape is responsible for all gas concentration data, microseism data, air pressure data, voice data, fireball monitoring
Data, temperature data, air speed data, the collection of wind direction data and smoke monitoring data and plant failure data, processing and store,
Sound and light alarm is sent by warning device according to data processed result, explosion alarming information is sent by communication network, and pass through
Datonation-inhibition fire-extinguishing apparatus carries out datonation-inhibition fire extinguishing.
2. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The gas concentration monitoring device of system is
Gas concentration sensoring；Gas concentration sensoring mainly include generating laser, laser pickoff, control process unit and
Display unit；Gas concentration sensoring can carry out remote sensing monitoring using open air chamber to multiple gases concentration in environment；Gas
Concentration remote-sensing device has laser ranging function.
3. monitoring, alarming as claimed in claim 2 and control system, it is characterised in that：The laser hair of gas concentration sensoring
Emitter use 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 apart from monitoring.
4. monitoring, alarming as claimed in claim 2 and control system, it is characterised in that：Generating laser is produced by lasing light emitter
Laser a, lasing light emitter can produce the laser for detecting multiple gases.
5. monitoring, alarming as claimed in claim 2 and control system, it is characterised in that：Generating laser 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.
6. monitoring, alarming as claimed in claim 2 and control system, it is characterised in that：The laser hair of gas concentration sensoring
Emitter lasing light emitter uses 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 reflected, and laser signal is converted into electric signal, control process unit
Electric signal is handled, corresponding gas concentration is obtained.
7. monitoring, alarming as claimed in claim 2 and control system, it is characterised in that：The laser hair of gas concentration sensoring
Emitter can send CO, CO2、O2、CH4And NOXThe laser of the different wave length of molecule absorption peak value.
8. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The fireball monitoring device of system includes regarding
Frequency supervision equipment.
9. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The smoke monitoring device of system includes regarding
Frequency supervision equipment.
10. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The wind direction monitoring device and wind of system
Slowdown monitoring device includes Integral ultrasonic wind direction and wind velocity sensor.
11. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The datonation-inhibition fire-extinguishing apparatus of system includes
Inert gas spraying equipment.
12. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The datonation-inhibition fire-extinguishing apparatus of system includes
Rock dust spraying equipment.
13. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：The datonation-inhibition fire-extinguishing apparatus of system includes
Watering sprinkling equipment.
14. monitoring, alarming as claimed in claim 1 and control system, it is characterised in that：Explosive atmosphere is arranged in system
In equipment be explosion-proof type equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146404.2U CN206440986U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitoring, alarming and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146404.2U CN206440986U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitoring, alarming and control system |
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| CN206440986U true CN206440986U (en) | 2017-08-25 |
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| CN201621146404.2U Active CN206440986U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitoring, alarming and control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI669686B (en) * | 2018-05-16 | 2019-08-21 | 英業達股份有限公司 | Fire equipment intelligent actuate system and method thereof |
| CN112412526A (en) * | 2020-11-16 | 2021-02-26 | 太原理工大学 | Coal mine gas and fire disaster co-treatment system and use method thereof |
| CN112744269A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Safety control method and device for vehicle |
| CN118582204A (en) * | 2024-08-07 | 2024-09-03 | 中国矿业大学 | Gas emission monitoring and control system for coal mining face |
-
2016
- 2016-10-21 CN CN201621146404.2U patent/CN206440986U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI669686B (en) * | 2018-05-16 | 2019-08-21 | 英業達股份有限公司 | Fire equipment intelligent actuate system and method thereof |
| CN112744269A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Safety control method and device for vehicle |
| CN112412526A (en) * | 2020-11-16 | 2021-02-26 | 太原理工大学 | Coal mine gas and fire disaster co-treatment system and use method thereof |
| CN118582204A (en) * | 2024-08-07 | 2024-09-03 | 中国矿业大学 | Gas emission monitoring and control system for coal mining face |
| CN118582204B (en) * | 2024-08-07 | 2024-11-12 | 中国矿业大学 | Gas emission monitoring and control system for coal mining face |
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