CN207261045U - Mine explosion monitor and alarm system - Google Patents
Mine explosion monitor and alarm system Download PDFInfo
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- CN207261045U CN207261045U CN201621146135.XU CN201621146135U CN207261045U CN 207261045 U CN207261045 U CN 207261045U CN 201621146135 U CN201621146135 U CN 201621146135U CN 207261045 U CN207261045 U CN 207261045U
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Abstract
The utility model discloses a kind of mine explosion monitor and alarm system.The system mainly includes netscape messaging server Netscape, warning device, communication network, 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, provides explosion alarming information to mine explosion for production administrative staff according to the data that monitoring obtains, loss caused by take emergency trouble shooting measures in time, reducing casualties, reduction mine explosion provides technical guarantee.The shortcomings of monitor and alarm system overcomes the methods of gas monitor used by tradition explosion monitoring existing reaction is slow, rate of false alarm and rate of failing to report are high, substantially increases alarm accuracy, important leverage is provided for Safety of Coal Mine Production.
Description
Technical field
The utility model is related to a kind of mine explosion monitor and alarm system, the system be related to sensor technology, laser technology,
The fields such as 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 account 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 realizes accurate alarm, and takes effective measures, and is the key for reducing casualties.The side of prevention mine explosion accident at present
Method is mainly gas density under monitoring well, but it is only to cause one of necessary condition of mine explosion that gas density, which transfinites, if
Do not possess the other conditions of mine explosion, will not set off an explosion even if gas density transfinites, and since methane transducer is pacified
Near explosive scene, easily cause direct infringement when explosion happens, can not gathered data again, so traditional gas monitor
Type of alarm, mine explosion generation before can not accurate early warning, explosion occur after can not accurately alarm.Mash gas monitors
Beyond method, the mine explosion monitoring method based on features such as smog, temperature, vibrations is also applied, but due to the number of monitoring
According to and method it is still relatively simple, alarm accuracy it is not very good.Therefore a kind of new mine explosion monitoring, alarming system is needed
System, to meet Safety of Coal Mine Production requirement.
Utility model content
The utility model aim is to provide a kind of mine explosion monitor and alarm system, can monitor portion caused by gas explosion
Divide gas concentration, wind speed, wind direction, sound, smog, temperature, air pressure, vibrations, the change of sound, light, obtained according to monitoring
Data alarm gas explosion.The system mainly includes gas concentration monitoring device, micro seismic monitoring device, air pressure
Power monitoring device, explosion sound monitoring device, fireball monitoring device, temperature monitoring device, air monitoring device, wind direction monitoring dress
Put, smoke monitoring device, netscape messaging server Netscape, warning device and communication network；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, wind direction number
According to the collection with smoke monitoring data and plant failure data, processing and storage, filled according to data processed result by alarming
Put and send sound-light alarm, explosion alarming information is sent by communication network.
1. the system further comprises：The gas concentration monitoring device of system is gas concentration sensoring；Gas is dense
Degree sensoring mainly includes laser emitter, laser pickoff, control process unit and display unit；Gas concentration remote sensing fills
Put using open gas chamber, remote sensing monitoring can be carried out to multiple gases concentration in environment；Gas concentration sensoring has Laser Measuring
Away from function.
2. the system further comprises：The laser emitter use of gas concentration sensoring can automatically adjust launch party
To laser emitter, control process unit carries out different directions to scan monitoring mode control laser transmitter projects direction
Gas concentration and apart from monitoring.
3. the system further comprises：The laser emitter of gas concentration sensoring produces laser by lasing light emitter,
One lasing light emitter can produce the laser for detecting multiple gases.
4. the system further comprises：The laser emitter of gas concentration sensoring produces laser by lasing light emitter,
Laser emitter includes multiple lasing light emitters, and each lasing light emitter, which is used to produce, detects a kind of laser of gas.
5. the system further comprises：The laser emitter lasing light emitter of gas concentration sensoring is partly led using tunable
Body laser；Semiconductor laser with tunable is controlled by control processing unit, sends the laser of different wave length；Laser pickoff connects
The laser reflected is received, laser signal is converted into electric signal, control process cell processing electric signal, obtains corresponding gas
Concentration.
6. the system further comprises：The laser emitter of gas concentration sensoring can send CO, CO2、O2、CH4With
NOXThe laser of the different wave length of molecule absorption peak value.
7. the system further comprises：The fireball monitoring device of system includes video surveillance devices.
8. the system further comprises：The fireball monitoring device of system includes infrared observation equipment.
9. the system further comprises：The fireball monitoring device of system includes ultraviolet monitor function equipment.
10. the system further comprises：The smoke monitoring device of system includes video surveillance devices.
11. the system further comprises：The smoke monitoring device of system includes smoke sensor device.
12. the system further comprises：The wind direction monitoring device and air monitoring device of system include integrative ultrasonic
Ripple wind direction and wind velocity sensor.
13. the system further comprises：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 work flow diagrams.
1 principle schematic of Fig. 3 gas concentration sensorings embodiment.
2 principle schematic of Fig. 4 gas concentration sensorings embodiment.
2 collimater arrangement architecture schematic diagram of Fig. 5 gas concentration sensorings embodiment.
Fig. 6 gas concentration sensoring work flow 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)：It is responsible for storing each sensing data, and monitors gas concentration data, 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 analyzing data variation and fault message.
2. warning device (2)：Sound-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)：For production, administrative staff provide data query and production monitoring service, by information processing services
Device provides field data, has the function of that alarm is shown and GIS service.
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 includes 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 connects.
6. data substation (6)：It is responsible for access and the data exchange of each monitoring device, passes through optical fiber with underground interchanger (5)
Connection.
7. gas concentration monitoring device (7)：, can be to more in environment using open gas chamber using gas concentration sensoring
Kind gas concentration carries out remote sensing monitoring, has 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 data substation (6) is transmitted to, 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)：Voice data is monitored for gathering, letter is switched when monitoring that explosion sound then exports
Number data substation (6) is arrived, the sound transducer being mainly made of LM393 and Electret condenser microphone can be used, it is sensitive to adjust triggering
Spend to monitor explosion sound.
11. fireball monitoring device (11)：For monitor explosion produce fireball, can by camera acquisition video image,
Also infrared imaging instrument or ultraviolet imaging instrument collection image can be used, image is identified by video image identification equipment, is such as being set
Fix time high temperature or highlight regions area in interval exceedes given threshold, then is 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. temperature monitoring device (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, can also use Integral ultrasonic wind speed and wind
To sensor, the time difference by intersecting ultrasonic wave obtains wind speed and wind direction, is directly integrated wind direction monitoring device (13).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, can also use Integral ultrasonic wind speed and wind
To sensor.
15. smoke monitoring device (15)：For monitoring the smog of fire generation, conventional ion formula or photoelectric smoke can be used
Mist sensor, can also regard camera acquisition using the smog intelligent identification module of Chongqing Hai Pu by video identification smog
Frequency image carries out video smoke identification, and substation (6) is connected by network interface.
Fig. 2 is mine explosion monitor and alarm system work flow 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), explosion sound monitoring device (10), temperature monitoring device (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), explosion sound monitoring
Device (10), temperature monitoring device (12), air monitoring device (13), the data of wind direction monitoring device (14), periodically 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) stores each sensing data, and monitor gas concentration data, 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 status is judged by timer, by analyzing data variation and fault message, is such as accorded with
Close alert if then controls warning device (2) and monitoring device (3) to send alarm signal by RS232 interface.Data exception bag
Include gas concentration data CO, CO in explosive region2、O2、CH4And NOXIn CO, CO2、NOXThe concentration liter in setting time interval
High level exceedes given threshold, O2Or CH4Concentration decreasing value exceedes given threshold, microseism data integrated value in setting time interval
Exceeding given threshold in setting time interval, air pressure data lift-off value in setting time interval exceedes given threshold,
Monitor plosive, fireball is monitored in setting time interval, temperature data lift-off value in setting time interval exceedes setting
Threshold value, air speed data lift-off value in setting time interval exceed given threshold, and wind direction takes a turn for the worse in setting time interval,
Smog, and sensor failure are monitored in setting time interval, when data exception item quantity and sensor fault quantity
With more than given threshold, then it is judged to exploding.Each monitoring threshold measures setting or is manually set and obtains according to site environment.
6. (206) controlling alarm that warning device (2) receive information processing server (1) is transmitted by RS232 interface is believed
Number, send sound-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.
Fig. 3 be gas concentration sensoring 1 principle schematic of embodiment, mainly including laser emitter, 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 returns obtains gas concentration and reverberation distance；Control communication interface communicates；Control display screen is shown
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；Laser emitter is responsible for ranging
And the transmitting of the laser signal of gas-monitoring, including lasing light emitter (306) and holder (307)；Laser pickoff is responsible for receiving laser
Signal, is converted to electric signal, concrete composition includes receiving lens (308), darkroom (309) and photodetector by laser signal
(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 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), is responsible for producing the tune for being used to control laser transmitter projects to be used for gas concentration monitoring
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 extraction gas absorption signal once, it is secondary
Harmonic wave, suppresses noise using the orthogonal property of signal and noise, improves signal-to-noise ratio, and LIA-MV-150 locks can be used mutually to amplify
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, have 6 fully differential input channels.
It is responsible to handle the distance measuring signal received 5. digital phase discriminator (305), will receive signal with send control signal into
Row compares, 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, the laser of multi-wavelength can be sent, for measuring not
Same gas concentration, can use IBSG-TO5TEC series semiconductor laser with tunable, which integrates
TEC current temperatures control semiconductor element, for temperature adjustment, stabilizing wave lenth of laser and power.
7. holder (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 holder move, cloud
Platform uses video camera standard supervision holder, can both horizontally and vertically rotated.
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, inner wall 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 that 10/100M is adaptive, 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 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, display driving journey is carried 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 2 principle schematic of embodiment of gas concentration sensoring.Embodiment 2 and embodiment 1
One, difference lies in using the multiple and 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 that embodiment 2 does not have holder, and uses 8 collimaters, each collimater is directed toward 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, laser is sent from certain road collimater (317) of selection, so as to fulfill 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, CD4051BC bilateral analog switch can be used, by core processor (302) 3 I/O mouthfuls control gating, 1 I/O
Mouth controlling switch；IN/OUT mouthfuls of COMMON is connected with signal generator (305), 4 IN/OUT mouthfuls respectively connection it is different adjustable
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 use the semiconductor laser with tunable of different wave length, can use SAF117XS Series Bellevilles tunable half
Conductor semiconductor laser with tunable, the semiconductor laser with tunable integrate TEC current temperatures control semiconductor element.
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 output terminal at most also only has the laser output of a wavelength at any time.
4. smooth selector switch (316) can use Vispace 1000OSS light routing devices, 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, are swashed using FC Interface Fibers
Light collimating lenses.
Fig. 5 is 2 collimater 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), 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 2 sine wave signal of embodiment 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), photodetector is converted to electric signal by the laser signal received.
5. (505), the ranging electric signal that receives of digital phase discriminator (305) processing, after the processing such as amplifying, being mixed, 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, 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 driving lasing light emitter (306) sends inswept a certain gas absorption peak 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 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), the air of laser through tested region runs into reverberation fraction of laser light and is reflected, receiving lens (308)
The laser that collection reflects is assembled to photodetector (310), photodetector is converted to electricity by the laser signal received
Signal.
10. (510), phaselocked loop amplifier (303) receives electric signal, and timesharing receives the modulation letter that signal generator provides
Number and modulated signal frequency-doubled signal, through processing extraction 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), 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 holder (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)
- A kind of 1. mine explosion monitor and alarm system, it is characterised in that：System mainly includes gas concentration monitoring device, microseism is supervised Survey device, air pressure monitoring device, explosion sound monitoring device, fireball monitoring device, temperature monitoring device, air monitoring dress Put, wind direction monitoring device, smoke monitoring device, netscape messaging server Netscape, warning device and communication network；Netscape messaging server Netscape It is responsible for all gas concentration data, microseism data, air pressure data, voice data, fireball monitoring data, temperature data, wind Fast data, the collection of wind direction data and smoke monitoring data and plant failure data, processing and storage, according to data processed result Sound-light alarm is sent by warning device, explosion alarming information is sent by communication network.
- 2. monitor and alarm system as claimed in claim 1, it is characterised in that：The gas concentration monitoring device of system is dense for gas Spend sensoring；It is single that gas concentration sensoring mainly includes laser emitter, laser pickoff, control process unit and display Member；Gas concentration sensoring can carry out remote sensing monitoring using open gas chamber to multiple gases concentration in environment；Gas concentration is distant Induction device has laser ranging function.
- 3. monitor and alarm system as claimed in claim 2, it is characterised in that：The laser emitter of gas concentration sensoring is adopted With the laser emitter that can automatically adjust the direction of the launch, control process unit controls laser transmitter projects to scan monitoring mode Direction, carries out different directions gas concentration and apart from monitoring.
- 4. monitor and alarm system as claimed in claim 2, it is characterised in that：The laser emitter of gas concentration sensoring leads to Cross lasing light emitter and produce laser, a lasing light emitter can produce the laser for detecting multiple gases.
- 5. monitor and alarm system as claimed in claim 2, it is characterised in that：The laser emitter of gas concentration sensoring leads to Cross lasing light emitter and produce laser, laser emitter includes multiple lasing light emitters, and each lasing light emitter, which is used to produce, detects a kind of swashing for gas Light.
- 6. monitor and alarm system as claimed in claim 2, it is characterised in that：The laser emitter of gas concentration sensoring swashs Light source uses semiconductor laser with tunable；Semiconductor laser with tunable is sent different wave length by control processing unit control Laser；Laser pickoff receives the laser reflected, and laser signal is converted to electric signal, control process cell processing electricity Signal, obtains corresponding gas concentration.
- 7. monitor and alarm system as claimed in claim 2, it is characterised in that：The laser emitter of gas concentration sensoring can Send CO, CO2、O2、CH4And NOXThe laser of the different wave length of molecule absorption peak value.
- 8. monitor and alarm system as claimed in claim 1, it is characterised in that：The fireball monitoring device of system includes video monitor Equipment.
- 9. monitor and alarm system as claimed in claim 1, it is characterised in that：The fireball monitoring device of system is supervised including infrared ray Measurement equipment.
- 10. monitor and alarm system as claimed in claim 1, it is characterised in that：The fireball monitoring device of system includes ultraviolet Monitoring device.
- 11. monitor and alarm system as claimed in claim 1, it is characterised in that：The smoke monitoring device of system is supervised including video Depending on equipment.
- 12. monitor and alarm system as claimed in claim 1, it is characterised in that：The smoke monitoring device of system is passed including smog Sensor.
- 13. monitor and alarm system as claimed in claim 1, it is characterised in that：The wind direction monitoring device and air monitoring of system Device includes Integral ultrasonic wind direction and wind velocity sensor.
- 14. monitor and alarm system as claimed in claim 1, it is characterised in that：Setting in explosive atmosphere is arranged in system Standby is explosion-proof type equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146135.XU CN207261045U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitor and alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146135.XU CN207261045U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitor and alarm system |
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| Publication Number | Publication Date |
|---|---|
| CN207261045U true CN207261045U (en) | 2018-04-20 |
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| CN201621146135.XU Expired - Fee Related CN207261045U (en) | 2016-10-21 | 2016-10-21 | Mine explosion monitor and alarm system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744269A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Safety control method and device for vehicle |
| CN112855270A (en) * | 2021-01-21 | 2021-05-28 | 中国矿业大学(北京) | Mine explosion disaster sound identification and alarm method based on sound frame energy |
| CN113252114A (en) * | 2021-06-11 | 2021-08-13 | 中国煤炭科工集团太原研究院有限公司 | Method and device for monitoring internal environment state of explosion-proof electrical equipment |
| CN113432643A (en) * | 2021-06-11 | 2021-09-24 | 中国煤炭科工集团太原研究院有限公司 | Method and device for monitoring internal environment state of explosion-proof electrical equipment |
-
2016
- 2016-10-21 CN CN201621146135.XU patent/CN207261045U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112744269A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Safety control method and device for vehicle |
| CN112855270A (en) * | 2021-01-21 | 2021-05-28 | 中国矿业大学(北京) | Mine explosion disaster sound identification and alarm method based on sound frame energy |
| CN112855270B (en) * | 2021-01-21 | 2021-12-07 | 中国矿业大学(北京) | Mine explosion disaster sound identification and alarm method based on sound frame energy |
| CN113252114A (en) * | 2021-06-11 | 2021-08-13 | 中国煤炭科工集团太原研究院有限公司 | Method and device for monitoring internal environment state of explosion-proof electrical equipment |
| CN113432643A (en) * | 2021-06-11 | 2021-09-24 | 中国煤炭科工集团太原研究院有限公司 | Method and device for monitoring internal environment state of explosion-proof electrical equipment |
| CN113252114B (en) * | 2021-06-11 | 2023-09-29 | 中国煤炭科工集团太原研究院有限公司 | Internal environment state monitoring method and device for flameproof electrical equipment |
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