CN107939448A - Coal mine safety monitoring system - Google Patents
Coal mine safety monitoring system Download PDFInfo
- Publication number
- CN107939448A CN107939448A CN201711483761.7A CN201711483761A CN107939448A CN 107939448 A CN107939448 A CN 107939448A CN 201711483761 A CN201711483761 A CN 201711483761A CN 107939448 A CN107939448 A CN 107939448A
- Authority
- CN
- China
- Prior art keywords
- sensor
- host computer
- monitoring
- mining
- coal mine
- 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.)
- Withdrawn
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 74
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 230000003278 mimic effect Effects 0.000 claims abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 56
- 238000005065 mining Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 241000790917 Dioxys <bee> Species 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of Coal Mine Safety Monitoring System, including well-surface part and underground part, the well-surface part includes power arrester sequentially connected with power supply, monitoring host computer and spare monitoring host computer, the monitoring host computer and spare monitoring host computer are connected with standby machine heartbeat machine respectively, the monitoring host computer is also connected with interchanger, underground interchanger on well successively, and the monitoring host computer is also connected with display, printer, giant-screen, mimic panel respectively；The underground part includes at least one security monitoring substation being connected with underground interchanger, and the security monitoring substation is connected with sensor, circuit breaker and DC power supply respectively.The present invention can not only accurately and timely reflect subsurface environment parameter, reach the early prediction to disaster, necessary processing is carried out to accident, and can also be the operation conditions that production scheduling provides various equipment in time, and then effectively command production.
Description
Technical field
The present invention relates to a kind of Coal Mine Safety Monitoring System, belongs to mining monitoring device technical field.
Background technology
Mine safety accidents frequently occur in recent years, and Coal Mine Safety Monitoring System is the important guarantor for improving coal mining safety
Barrier, but the design of traditional mining monitoring device is not perfect enough, it is there are poor anti jamming capability, sensing technology is backward, at data
The problems such as reason energy force difference, it is not in place that these problems often result in mining safety monitoring.
The content of the invention
The technical problems to be solved by the invention are the defects of overcoming the prior art, there is provided a kind of coal mine safety monitoring system
System, can not only accurately and timely reflect subsurface environment parameter, reach the early prediction to disaster, to accident carry out it is necessary
Processing, and can also be the operation conditions that production scheduling provides various equipment in time, and then effectively command production.
In order to solve the above technical problems, the present invention provides a kind of Coal Mine Safety Monitoring System, including well-surface part and underground
Part, it is characterized in that, the well-surface part includes power arrester sequentially connected with power supply, monitoring host computer and spare monitoring master
Machine, the monitoring host computer and spare monitoring host computer are connected with standby machine heartbeat machine respectively, the monitoring host computer also successively with well
Upper interchanger, underground interchanger are connected, and the monitoring host computer is also connected with display, printer, giant-screen, mimic panel respectively
Connect；The underground part includes at least one security monitoring substation being connected with underground interchanger, the security monitoring substation
It is connected respectively with sensor, circuit breaker and DC power supply.
Further, the sensor includes mining methane sensor, mining carbon monoxide transducer, mining negative pressure sensing
Device, temperature sensor, mining throw-in type liquid level sensor, dust sensor, mining infrared methane sensor, mining oxygen sensor
Device, hydrogen sulfide sensor, mine laser methane transducer, infrared carbon dioxide sensor, mine ventilation duct air flow switch sensor,
Mining Bidirectional wind speed air flow sensor, mine smoke sensor, mining equipment on-off transducer, mine air door open and-shut mode sensing
Device, mining gas discharging multi-parameter sensor.
Further, the security monitoring substation includes 16 tunnel essential safety sensor inputs, can be simultaneous per road interface
Molar analog quantity and Boolean value output sensor, and essential safety source is provided；The power-off control output of 8 tunnels is further included, wherein local power-off
Equipped with 2 tunnels, long-range power-off is equipped with 6 tunnels, realizes that local power-off and long-range power-off control.
Further, the well-surface part further include chief of a pit's work station sequentially connected with power supply, chief engineer's work station, other
Work station, chief of a pit's work station are connected with hub, the webserver successively.
Further, it is equipped with optical transmitter and receiver between the underground interchanger and security monitoring substation.
Further, gas pumping sensor is equipped between the security monitoring substation and DC power supply.
Further, the well-surface part is additionally provided with the audible-visual annunciator being connected with monitoring host computer.
Further, the well-surface part is additionally provided with the signal arrester being connected with monitoring host computer.
Further, the security monitoring substation is KJ379G-F Mine-used I. S security monitoring substations.
Further, the DC power supply is KDW660/24BG or KDY660/18BG mine explosion-suppression and intrinsic safety type direct currents
Source.
The beneficial effect that the present invention is reached：
1. advanced technology, multiple combinations mode：This is to realize the unification of downhole transmitted channel, all kinds of mine supervision systems in the range of full ore deposit
System networking management, coupled with office computer network networking, with remote terminal by public telephone network, be greatly reduced channel and
Equipment investment.
2. systemic-function is powerful：With powerful data acquisition function, advanced data processing technique, formed every 5min
Maximum, minimum and the average value record of analog sensor, count communication, power supply, alarm, power-off and the telegram in reply of each substation at any time
State, electromechanical equipment start-stop and operating status；Alarm is complete with control function, it can be achieved that central station is program-controlled or control by force manually
Strange land power-off, substation and sensor powers off on the spot and substation region power down function；With acousto-optic, audio alert, alarm linkage and
Voice expansion can be carried out to the local or full mine in underground by program controlled scheduling communication net and report polytype warning function such as alert；Tool
There are transmission fault, equipment fault, the self-diagnostic function for/outage condition and running software failure etc., also with remote maintenance work(
Energy.
3. system compatible performance is good, protection existing equipment investment：The system can be with other Coal Mine Safety Monitoring Systems
Keep compatible.
4. transmission network is simple, reliable：Using standard network transport protocol, transmission rate is high, and transmission error rates are less than 10-8, without using repeater transmission distance.
It is 5. substation independence, adaptable：The working cell being made of substation, sensor and actuator can work independently,
When central station and substation are out of touch, substation has the function of wind, electricity, gas shutting；Substation can show connect sensor type,
Real-time parameter, open/stop sensor state；The parameters such as infrared remote control setting and modifying sensor type, alarming value, power-down value；Simulation
Measure port and switching value port is interchangeable, the quantity of certain generic port can be increased on demand.Support multiple standards or non-standard signal system
Formula, such as voltage, electric current, frequency and contact signal.
6. system composition is changeable, user can neatly be configured according to the actual conditions in colliery.
Brief description of the drawings
Fig. 1 is the principle of the present invention block diagram.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiments are only used for clearly illustrating the present invention
Technical solution, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
As shown in Figure 1, a kind of Coal Mine Safety Monitoring System, including well-surface part and underground part, the well-surface part bag
Include power arrester sequentially connected with power supply, monitoring host computer and spare monitoring host computer, the monitoring host computer and spare monitoring master
Machine is connected with standby machine heartbeat machine respectively, and the monitoring host computer is also connected with interchanger, underground interchanger on well successively, institute
Monitoring host computer is stated also respectively with display, printer, giant-screen, mimic panel to be connected.The well-surface part further includes and power supply
Sequentially connected chief of a pit's work station, chief engineer's work station, other work stations, chief of a pit's work station take with hub, network successively
Business device is connected.The well-surface part is additionally provided with the audible-visual annunciator being connected with monitoring host computer and is connected with monitoring host computer
Signal arrester.
The underground part includes at least one security monitoring substation being connected with underground interchanger, the security monitoring
Substation is KJ379G-F Mine-used I. S security monitoring substations.The security monitoring substation respectively with sensor, circuit breaker and straight
Galvanic electricity source is connected, and the DC power supply is KDW660/24BG or KDY660/18BG mine explosion-suppression and intrinsic safety type DC power supplies.
Optical transmitter and receiver is equipped between the underground interchanger and security monitoring substation.
The sensor includes mining methane sensor, mining carbon monoxide transducer, negative pressure sensor used for mining, temperature and passes
Sensor, mining throw-in type liquid level sensor, dust sensor, mining infrared methane sensor, mining oxygen sensor, hydrogen sulfide
It is sensor, mine laser methane transducer, infrared carbon dioxide sensor, mine ventilation duct air flow switch sensor, mining two-way
It is wind speed air flow sensor, mine smoke sensor, mining equipment on-off transducer, mine air door open and-shut mode sensor, mining
Gas drainage under suction multi-parameter sensor.
The security monitoring substation includes 16 tunnel essential safety sensor inputs, per road interface energy compatible analog amount and
Boolean value output sensor, and essential safety source is provided；The power-off control output of 8 tunnels is further included, wherein local power-off is equipped with 2 tunnels, far
Journey power-off is equipped with 6 tunnels, realizes that local power-off and long-range power-off control.The security monitoring substation can touring each road sensing of display
The value of device, display control output state, communication state etc., possesses Real Time Clock Display function.Communicated with ground central station, transmission
Gathered data and reception control command.The central processing unit of the substation selects 16 microcontrollers, and peripheral circuit includes：Show, is red
It is outer remote control etc. the signal processing circuit such as man-machine interface circuit, preposition amplification, passage switching, linear isolation amplifier, control export,
Interface circuit and the data storage circuitry such as main communication and intelligent mouth communication.
The system have analog quantity, switching value, cumulative amount collection, transmission, storage, processing, display, printing, sound-light alarm,
Control function etc., for monitoring methane concentration, carbonomonoxide concentration, wind speed, wind pressure, wind direction, temperature, smog, feed condition, wind
Door state, air duct state, booster start-stop, main fan start-stop simultaneously realize that methane transfinites sound-light alarm, power-off and methane
Lock between air and electricity controls.
1. methane content exceeding preset limit sound-light alarm and power-off/telegram in reply control function：
a）When methane concentration meets or exceeds warning concentration, sound-light alarm；
b）When methane concentration meets or exceeds power-off required concentration, cut-out controlled device power supply and locking；Methane concentration is dense less than sending a telegram in reply
When spending, automatic unlocking；
c）The equipment related with lock-in control（Containing methane transducer, substation, power supply, circuit breaking controller, cable, terminal box etc.）Not
When normal operation input or failure, cut off the power supply of whole non-intrinsically safe safe electrical apparatus of the equipment surveillance area and close
Lock；When the equipment related with lock-in control is working properly and after stable operation, automatic unlocking.
2. wind-powered electricity generation methane locking function：
a）Driving face methane concentration meets or exceeds 1.0%CH4When, sound-light alarm；Driving face methane concentration reach or
More than 1.5%CH4When, cut off the power supply of whole non-intrinsically safe safe electrical apparatus and locking in digging laneway；Work as driving face
Methane concentration is less than 1.0%CH4When, automatic unlocking；
b）Methane concentration in driving face return meets or exceeds 1.0%CH4When, sound-light alarm, cuts off in digging laneway
The power supply of whole non-intrinsically safe safe electrical apparatus and locking；When the methane concentration in driving face return is less than 1.0%
CH4When, automatic unlocking；
c）Distinguished and admirable middle methane concentration is entered by string driving face and meets or exceeds 0.5%CH4When, sound-light alarm, cuts off and is tunneled by string
The power supply of whole non-intrinsically safe safe electrical apparatus and locking in tunnel；It is low when entering distinguished and admirable middle methane concentration by string driving face
In 0.5%CH4When, automatic unlocking；
d）When booster shuts down or wind tube wind quantity is less than setting, sound-light alarm, the whole in cut-out air feed region is non-
The power supply of intrinsicallysafe electrical apparatus and locking；When booster or air duct recover normal work, automatic unlocking；
e）Booster shuts down, and methane concentration is more than 3.0%CH in driving face or return4, it is necessary to local logical
Wind turbine carries out locking and is allowed to fail to start, only by Password Operations software or uses specific purpose tool can manual release；Work as pick
Methane concentration is less than 1.5%CH into working face or return4When, automatic unlocking；
f）The equipment related with lock-in control（Containing substation, methane transducer, power supply, circuit breaking controller, cable, terminal box etc.）Therefore
When barrier or power-off, sound-light alarm, cuts off the power supply of whole non-intrinsically safe safe electrical apparatus of the equipment surveillance area and closes
Lock；In the equipment power-on 1min related with lock-in control, continue whole non-intrinsically safes peace of the locking equipment surveillance area
The power supply of holotype electrical equipment；When the equipment related with lock-in control is working properly and after stable operation, automatic unlocking.Forbid pair
Booster carries out failure locking control.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. Coal Mine Safety Monitoring System, including well-surface part and underground part, it is characterized in that, the well-surface part includes and power supply
Sequentially connected power arrester, monitoring host computer and spare monitoring host computer, the monitoring host computer and spare monitoring host computer respectively with
Standby machine heartbeat machine is connected, and the monitoring host computer is also connected with interchanger, underground interchanger on well successively, the monitoring master
Machine is also connected with display, printer, giant-screen, mimic panel respectively；The underground part includes being connected with underground interchanger
At least one security monitoring substation connect, the security monitoring substation are connected with sensor, circuit breaker and DC power supply respectively.
2. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the sensor is sensed including mining methane
Device, mining carbon monoxide transducer, negative pressure sensor used for mining, temperature sensor, mining throw-in type liquid level sensor, dust sensing
Device, mining infrared methane sensor, mining oxygen sensor, hydrogen sulfide sensor, mine laser methane transducer, infrared dioxy
Change carbon sensor, mine ventilation duct air flow switch sensor, mining Bidirectional wind speed air flow sensor, mine smoke sensor, mining
Equipment on/off transducer, mine air door open and-shut mode sensor, mining gas discharging multi-parameter sensor.
3. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the security monitoring substation includes 16 tunnel sheets
Matter safety sensor input interface, per road interface energy compatible analog amount and Boolean value output sensor, and provides essential safety source；Also
Power off to control including 8 tunnels and export, wherein local power off is equipped with 2 tunnels, long-range power off is equipped with 6 tunnels, and realization is local to be powered off and remotely break
Electric control.
4. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the well-surface part further include with power supply according to
Chief of a pit's work station, chief engineer's work station, other work stations of secondary connection, chief of a pit's work station successively with hub, network service
Device is connected.
5. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the underground interchanger and security monitoring point
Optical transmitter and receiver is equipped between standing.
6. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the security monitoring substation and DC power supply
Between be equipped with gas pumping sensor.
7. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the well-surface part is additionally provided with to be led with monitoring
The audible-visual annunciator that machine is connected.
8. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the well-surface part is additionally provided with to be led with monitoring
The signal arrester that machine is connected.
9. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the security monitoring substation is KJ379G-F
Mine-used I. S security monitoring substation.
10. Coal Mine Safety Monitoring System according to claim 1, it is characterized in that, the DC power supply is KDW660/24BG
Or KDY660/18BG mine explosion-suppression and intrinsic safety type DC power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483761.7A CN107939448A (en) | 2017-12-29 | 2017-12-29 | Coal mine safety monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483761.7A CN107939448A (en) | 2017-12-29 | 2017-12-29 | Coal mine safety monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107939448A true CN107939448A (en) | 2018-04-20 |
Family
ID=61938132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711483761.7A Withdrawn CN107939448A (en) | 2017-12-29 | 2017-12-29 | Coal mine safety monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939448A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999638A (en) * | 2018-07-27 | 2018-12-14 | 扬中市南方矿用电器有限公司 | A kind of coal mine safety monitoring system |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN109458222A (en) * | 2018-10-10 | 2019-03-12 | 国家能源投资集团有限责任公司 | The method and device of compressed-air system is latched when gas exceeding limit |
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
| CN109736892A (en) * | 2018-11-20 | 2019-05-10 | 山西宏安翔科技股份有限公司 | A kind of mining wireless laser methane alarm system and method |
| CN109779685A (en) * | 2019-01-18 | 2019-05-21 | 淄博瑞安特自控设备有限公司 | A kind of coal mine safety monitoring system |
| CN110714800A (en) * | 2019-11-06 | 2020-01-21 | 天地（常州）自动化股份有限公司 | Coal mine multi-system ground safety alarm and control linkage method |
| CN112267914A (en) * | 2020-10-22 | 2021-01-26 | 合肥恒翔电子科技有限公司 | Guarantee system for coal mine data transmission |
| CN116220817A (en) * | 2023-05-08 | 2023-06-06 | 淄博隆腾测控设备有限公司 | Comprehensive monitoring system for mine closed area |
-
2017
- 2017-12-29 CN CN201711483761.7A patent/CN107939448A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999638A (en) * | 2018-07-27 | 2018-12-14 | 扬中市南方矿用电器有限公司 | A kind of coal mine safety monitoring system |
| CN109458222A (en) * | 2018-10-10 | 2019-03-12 | 国家能源投资集团有限责任公司 | The method and device of compressed-air system is latched when gas exceeding limit |
| CN109268073B (en) * | 2018-11-16 | 2021-04-06 | 宁波创盛仪表有限公司 | Mining gas measurement safety monitoring system |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN109736892A (en) * | 2018-11-20 | 2019-05-10 | 山西宏安翔科技股份有限公司 | A kind of mining wireless laser methane alarm system and method |
| CN109736892B (en) * | 2018-11-20 | 2020-08-11 | 山西宏安翔科技股份有限公司 | Mining wireless laser methane alarm system and method |
| CN109459403A (en) * | 2018-12-12 | 2019-03-12 | 镇江中煤电子有限公司 | The more gas-detecting devices of underground coal mine and detection method |
| CN109779685A (en) * | 2019-01-18 | 2019-05-21 | 淄博瑞安特自控设备有限公司 | A kind of coal mine safety monitoring system |
| CN109779685B (en) * | 2019-01-18 | 2020-08-14 | 淄博瑞安特自控设备有限公司 | Coal mine safety monitoring system |
| CN110714800A (en) * | 2019-11-06 | 2020-01-21 | 天地（常州）自动化股份有限公司 | Coal mine multi-system ground safety alarm and control linkage method |
| CN110714800B (en) * | 2019-11-06 | 2021-07-02 | 天地（常州）自动化股份有限公司 | Coal mine multi-system ground safety alarm and control linkage method |
| CN112267914A (en) * | 2020-10-22 | 2021-01-26 | 合肥恒翔电子科技有限公司 | Guarantee system for coal mine data transmission |
| CN116220817A (en) * | 2023-05-08 | 2023-06-06 | 淄博隆腾测控设备有限公司 | Comprehensive monitoring system for mine closed area |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107939448A (en) | Coal mine safety monitoring system | |
| CN108999638A (en) | A kind of coal mine safety monitoring system | |
| CN101439725B (en) | Control and monitoring system for railway switch location | |
| CN207761712U (en) | Coal mine safety monitoring system | |
| CN203022821U (en) | Coal mine safety monitoring system substation | |
| CN104298156A (en) | Wireless multifunctional and intelligent monitoring device for underground pipe network | |
| CN109975635A (en) | A kind of methane electric locking function test method and system | |
| CN201448120U (en) | Coal mine safety monitoring system | |
| CN101586472A (en) | Coal mine safety monitoring system | |
| CN103144651A (en) | Foreign invasion limiting monitoring system orienting to railway disaster prevention | |
| CN204140130U (en) | Colliery portable blower automated system | |
| CN201377337Y (en) | All-purpose intelligent substation system for coal mines | |
| CN204029143U (en) | A kind of remote data acquisition terminal of gas meter reading system | |
| CN209131752U (en) | A kind of wired cooperative system of gas meter, flow meter and warning device | |
| CN205861827U (en) | A kind of overhead transmission line tracer | |
| CN108915489B (en) | Fire control system based on embedded touch screen and cloud control system | |
| CN202076844U (en) | Integrated monitoring protector with operation safety protection | |
| CN212318093U (en) | Pressure monitoring system for automatic explosion-proof device of coal mine | |
| CN204256906U (en) | Municipal administration pipe trench gas hazard source monitoring warning device | |
| CN201588656U (en) | Mine wireless network transceiver controller | |
| CN210034618U (en) | Air valve state monitoring device | |
| CN111779542A (en) | Pressure monitoring system for automatic explosion-proof device of coal mine | |
| CN208487046U (en) | A kind of remote centralized control system of mine Underground Local Fan | |
| CN102758648A (en) | Coal mine monitoring device | |
| CN201887304U (en) | Lightning protection and grounding carbon brush abrasion alarm system for wind power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180420 |