CN207813654U - Based on ranging and the coal working face calamity forecast system to test the speed - Google Patents
Based on ranging and the coal working face calamity forecast system to test the speed Download PDFInfo
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- CN207813654U CN207813654U CN201721645833.9U CN201721645833U CN207813654U CN 207813654 U CN207813654 U CN 207813654U CN 201721645833 U CN201721645833 U CN 201721645833U CN 207813654 U CN207813654 U CN 207813654U
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- 239000003245 coal Substances 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 50
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000002159 abnormal effect Effects 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 7
- 239000011435 rock Substances 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 230000007257 malfunction Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 241001269238 Data Species 0.000 abstract description 5
- 238000005065 mining Methods 0.000 description 8
- 238000004880 explosion Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 206010003497 Asphyxia Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of based on ranging and the coal working face calamity forecast system to test the speed, and the alarm system includes mainly monitoring, alarming server, storage server, monitor terminal, communication network, range unit, speed measuring device, coalcutter control device, hydraulic support control device, the positioning environmental data collectings equipment such as substation and sensing methane concentration device;The alarm system on coal face hydraulic support with tunnel installation by testing the speed and range unit, and the distance to being acquired and speed data are monitored in real time, monitor the environmental datas such as methane concentration simultaneously, when passing through data monitoring to coal working face and abnormal object occur, then it is determined as data exception, corresponding calamity forecast signal is then sent out further according to monitoring environmental data result.The alarm system has fully considered the characteristic feature of coal face disaster, implement simple, automatically corresponding measure is taken in time, it can accurately alarm at the first time mine coal-cutting working face coal and gas prominent or bump, not strive for the valuable disaster relief and escape time in other region personnels in the pit that scene occurs.
Description
Technical field
The utility model is related to a kind of based on ranging and the coal working face calamity forecast system to test the speed, which is related to surpassing
The fields such as sound wave, tellurometer survey, velocity measuring technique and communication.
Background technology
Coal is China's main energy sources, accounts for about primary energy 70%.Coal industry is high risk industries, gas, disaster, fire
The accidents such as calamity, top plate, coal dust annoying Safety of Coal Mine Production.China's coal-mine occurs in severe and great casualty, and majority is particularly serious watt
This accident, the number of casualties caused by gas accident be also in all coal mining accidents proportion it is maximum.Therefore, gas accident
It prevents particularly significant.
Gas accident includes the accidents such as gas explosion, coal and gas prominent, gas asphyxiation, gas combustion.To avoid or subtracting
Few coal and gas prominent accident occurs, and there has been proposed a variety of coals or rock and gas outburst prevention treatment methods, in Safety of Coal Mine Production
It is played an important role in work.But existing coal and gas prominent in real time monitoring with forecasting procedure include methane transducer monitoring,
The rate of false alarms such as microseism, sound emission, electromagnetic radiation, infra-red radiation and rate of failing to report are also higher, it is difficult to meet the need of Safety of Coal Mine Production
It wants.
Coal and gas prominent and rock blast hazard easily occur for the coal working face of underground coal mine, after disaster occurs, easily
The staff near working face scene is caused to be landfilled or be stranded;In addition bump can cause the stifled of the neighbouring tunnel of working face
Plug, keeps dash unsmooth, makes methane accumulation, easily cause gas explosion.So a kind of new disaster monitoring alarm system is needed,
Coal working face coal and gas prominent and rock blast hazard can be rapidly and accurately being judged at the first time, can organize to rescue as early as possible
It helps, strives for valuable rescue time, casualties caused by avoiding or reducing landfill or being stranded;And timely establishment officer is to blocking
Treatment measures are taken in tunnel, effectively avoid, due to accidents such as the gas explosions that methane accumulation causes, avoiding or reducing due to gas
Asphyxia and gas explosion cause casualties.
Utility model content
The utility model aim be to provide it is a kind of based on ranging and the coal working face calamity forecast system to test the speed, it is described
System includes mainly monitoring, alarming server, storage server, monitor terminal, communication network, range unit, speed measuring device, adopts
Coal machine control device, hydraulic support control device, positioning substation, sensing methane concentration device, baroceptor, air velocity transducer,
Wind transducer, sound transducer, vibrating sensor;On coal face hydraulic support install at least one range unit or
Speed measuring device, the range unit acquire the range data of barrier on the device to direction initialization, for monitoring coal or rock
It is abnormal, the object movement speed on the speed measuring device acquisition direction initialization, for monitoring coal working face exception high-speed motion
Object;At least one range unit is installed in mine laneway or speed measuring device, the range unit acquire the device to bottom plate side
The range data of upward barrier, for monitoring tunnel abnormal stacking object, the object of the speed measuring device acquisition tunnel axial direction moves
Dynamic speed, for monitoring abnormal high-speed moving object in tunnel;The monitoring, alarming server, storage server, monitor terminal,
Range unit, speed measuring device, coalcutter control device, hydraulic support control device, positioning substation, sensing methane concentration device, gas
Pressure sensor, air velocity transducer, wind transducer, sound transducer, vibrating sensor connection communication network;The coalcutter control
Control equipment and hydraulic support control device are used for acquiring coalcutter and hydraulic support position and operating state data, status data
In the interference for the distance or speed data that exclusion coalcutter and hydraulic support movement monitor system;The positioning substation is responsible for
Offer personnel and underground equipment position data, position data be used to exclude personnel or underground equipment movement to the distance that is monitored or
The interference of speed data;The storage server is responsible for receiving the data of all data acquisition device acquisitions simultaneously by communication network
Storage, and provide data service to monitoring, alarming server and monitor terminal;The monitoring, alarming monitoring server coal work
The data that ranging or speed measuring device in face or tunnel are acquired, and monitor sensing methane concentration device, baroceptor, wind speed and pass
The data that sensor, wind transducer, sound transducer, vibrating sensor acquire, and monitor the failure of all data acquisition devices
State, when monitoring, alarming server monitors that coal or rock anomaly or coal work occurs in coal working face by data processing
Air pressure, wind speed, wind direction, sound or the vibration number that face data harvester exception or tunnel abnormal stacking object occur, and monitored
According to exception, then to monitor terminal coal working face coal and gas prominent or bump alarm signal is sent out, sent out by monitor terminal
Go out sound-light alarm.
1. the calamity forecast system further comprises:The range unit includes ultrasonic distance-measuring sensor, microwave thunder
It reaches, is in laser range sensor one or more.
2. the calamity forecast system further comprises:The speed measuring device includes ultrasonic wave tachogenerator, microwave thunder
It reaches, is in laser velocimeter sensor one or more.
3. the calamity forecast system further comprises:The range unit institute monitoring direction of coal working face includes ranging dress
Set coal working face direction of advance, range unit to scratch board conveyor direction, range unit to pavement direction.
4. the calamity forecast system further comprises:Monitoring, alarming server excludes coalcutter, people by data processing
Member or underground equipment movement interference, by the range data of acquisition, speed data and air pressure, sound, vibration, wind speed, wind direction data
It is compared with the threshold data stored, and alarm judgement, then root is carried out with reference to coal working face data acquisition device failure
According to judgement result coal and gas prominent or bump alarm signal are sent out to monitor terminal with reference to methane concentration.
5. the calamity forecast system further comprises:System sends out the condition of coal working face coal and gas prominent alarm
Including interfering, monitoring at least one monitored when detection Alarm Server excludes coalcutter, personnel or underground equipment movement
Range data is more than given threshold or at least one coal-getter suddenly continuously less than given threshold or at least one speed data
Make face data harvester failure, and it is more than given threshold or sound or vibration that reversion or air pressure or wind speed, which occur, for tunnel wind direction
Data are more than given threshold, and methane concentration data increase or suddenly more than given threshold.
6. the calamity forecast system further comprises:The condition that system sends out bump alarm includes, when monitoring is reported
Alert server excludes hydraulic support, coalcutter, personnel or underground equipment movement interference, monitors at least one monitored distance
Data are more than given threshold or at least one coal working face suddenly continuously less than given threshold or at least one speed data
Data acquisition device failure, and it is more than given threshold or sound number or vibration number that reversion or air pressure or wind speed, which occur, for tunnel wind direction
According to more than given threshold, and methane concentration data are normal.
Description of the drawings
Fig. 1 is based on ranging and the coal working face calamity forecast system implementation plan schematic diagram to test the speed.
The ranging of the tunnels Fig. 2 and speed measuring device scheme of installation.
The ranging of Fig. 3 coal working faces and speed measuring device scheme of installation.
Fig. 4 data acquisition flow figures.
Fig. 5 disaster monitoring alarm flow figures.
Specific implementation mode
Fig. 1 is the implementation example based on ranging and the coal working face alarm system to test the speed, and main composition includes:
1. storage server (101), responsible acquisition receives and stores the data that data acquisition device acquires in all systems,
And forward data to monitoring, alarming server and monitor terminal (102).Including range unit, speed measuring device, hydraulic support control
The data of the acquisitions such as device, coal mining machine controller, water bunker level sensor, Hydrological Data Acquisition device, positioning substation.Storage service
Standard server or IPSAN equipment can be used in device.
2. monitoring, alarming server (102) is responsible for all data acquisition devices that monitoring is forwarded by storage server (101)
The data of acquisition then send out calamity forecast data when data value or data variation meet alert if to monitor terminal (103).
Monitoring, alarming server can be used standard server, industrial personal computer or using DSP, MCU as the data processing equipment of core processor.
3. monitor terminal (103) is responsible for providing the display service of downhole monitoring data, be provided by storage server (101) real
When and historical data, by monitoring, alarming server (102) provide calamity forecast data, have sound and light of alarm;Production management
Personnel can transfer inquiry by the historical data that monitor terminal stores storage server (101).
4. core switch (104), the hard core control and switching equipment of communication network are responsible for all access cable networks
The management of equipment and data exchange.
5. underground interchanger (105), the underground switching equipment of communication network, looped network mode connect.
6. communication sub-station (106), the access device of communication network are responsible for receiving the data of data acquisition device acquisition, and
Data are uploaded to storage server (101) by mining ethernet ring network.
7. range unit (107), ranging distance should be greater than 4 meters, ultrasonic distance-measuring sensor or microwave radar can be used, lead to
Cross RS485 interface connection communication substations (106);If selected sensor does not have RS485 interfaces, communication converting means need to be increased
It sets.This example is oriented to the KS109 ultrasonic distance measuring modules of mechanical & electrical technology Co., Ltd using Shenzhen, and communication interface uses UART
TO RS485 conversion modules.
8. speed measuring device (108), can be used ultrasonic wave tachogenerator or microwave radar, connected by RS485 interfaces logical
Believe substation (106);If selected sensor does not have RS485 interfaces, communications switching unit need to be increased.
9. coal mining machine controller (109), the control unit of coalcutter generally use programmable controller, are connect by RS485
Mouth or industrial field bus connection communication substation (106) include coalcutter relative position, rocking arm to communication sub-station (106) transmission
The status datas such as angle, roller operating status, spraying state.
10. hydraulic bracket controller (110), the control unit of hydraulic support generally use programmable controller, pass through
RS485 interfaces or industrial field bus connection communication substation (106) include that hydraulic support is opposite to communication sub-station (106) transmission
The status datas such as position, column state, wall supporting board status.
11. sensing methane concentration device (111), for acquiring Methane in Air concentration, using the mining methane concentration of gamut
Sensor passes through RS485 interfaces or industrial field bus connection communication substation (106).
12. baroceptor (112), using mine anti-explosion air pressure concentration sensor, leads to for acquiring environmental air pressure
Cross RS485 interfaces or industrial field bus connection communication substation (106).
13. sound transducer (113) is used for the voice data in collecting work face, makes an uproar since coal working face equipment is more
Sound is larger, should use the equipment with filter function, can filter out the noise jamming of the equipment such as part coalcutter, scratch board conveyor,
Pass through RS485 interfaces or industrial field bus connection communication substation (106).
14. vibrating sensor (114) is used for the vibration data in collecting work face, using mine anti-explosion vibrating sensor, lead to
Cross RS485 interfaces or industrial field bus connection communication substation (106).
15. air velocity transducer (115), is installed in tunnel, for acquiring wind speed in tunnel, mechanical mining wind can be used
Ultrasonic wind speed and direction integral sensor can also be used in fast sensor, is connected by RS485 interfaces or industrial field bus logical
Believe substation (106).
16. wind transducer (116), is installed in tunnel, for acquiring wind direction in tunnel, mechanical mining wind can be used
To sensor, ultrasonic wind speed and direction integral sensor can also be used, connected by RS485 interfaces or industrial field bus logical
Believe substation (106).
17. positioning substation (117), it is responsible for providing cordless communication network access clothes to positioning card and other wireless telecom equipments
Business, and the reference location node as positioning device provides positioning service for it, and underground interchanger is connected by the communications cable.
18. positioning card (118), system is used to monitor the position of personnel in the pit and equipment, is realized by positioning substation (112)
Positioning and wireless communication.
Fig. 2 be tunnel ranging and speed measuring device scheme of installation, as shown in the figure at the top of tunnel different location can install it is more
A ranging and speed measuring device.
With reference to figure 3, installation site includes for coal face hydraulic support ranging and speed measuring device installation site:
1. (301) being mounted on the column of hydraulic support, the position is acquired to coal working face direction of advance barrier
The speed that range data or the object that this side up move.
2. (302) being mounted on the front-axle beam lower part of hydraulic support, scratch board conveyor top, the position is acquired to scratch board conveyor
Range data or scratch board conveyor transporting coal direction on object movement speed.
3. (303) be mounted on the top beam lower part of hydraulic support, above pavement, acquire the position to pavement distance number
According to or pavement axial direction on object movement speed.
Data acquisition flow such as Fig. 4 of the calamity forecast system shows, including:
1. (401) monitoring, alarming server (102) is periodically to storage server (101) transmission data acquisition instructions, acquisition
Data needed for disaster monitoring.
2. (402) data acquisition instructions that storage server (101) is sent according to monitoring, alarming server (102), Xiang Xiang
Communication sub-station (106) belonging to the data acquisition equipment answered forwards data acquisition instructions,.
3. (403) core switch (103) by underground looped network to the underground interchanger belonging to destinations traffic substation (106)
(104) data acquisition instructions that forwarding storage server (101) is sent.
4. (404) underground interchanger (104) comes to affiliated communication sub-station (106) forwarding core switch (104) forwarding
Data acquisition instructions.
5. after (405) communication sub-station (106) receives data acquisition instructions, being acquired to corresponding data according to command content
The port that equipment is connected through sends the acquisition instructions for meeting its communication protocol.
6. (406) after downhole data harvester receives data acquisition instructions, adopted to communication sub-station (106) reply
The data of collection.
After 7. (407) communication sub-station (106) receives data, the data to storage server (101) by arrangement, including
The information such as data acquisition equipment number, data acquisition time, data content.
After 8. (408) underground interchanger (104) receives the data that affiliated communication sub-station (106) uploads, forwarded on well.
9. after (409) core switch (103) receives the data that underground uploads, being forwarded to storage server (101).
10. (410) storage server (101) receives upload data after, data are stored in database, and to monitoring, alarming
Server (102).
11. (411) monitoring, alarming server (102) is monitored after receiving the required data acquired, this is completed
Data acquire.
Fig. 5 illustrates the flow of disaster monitoring alarm, monitoring by taking the data acquisition equipment data processing of coal working face as an example
Process includes mainly:
1. (501) acquisition coal working face is mounted on range unit (107) and speed measuring device (108) institute on hydraulic support
The range data and speed data of acquisition.
2. (502) transferring the relative position and its setting number of the device according to the device numbering of range unit and speed measuring device
Related data is judged according to early warning such as abnormal numerical threshold, data exception duration thresholds, according to these related datas to institute
The data of acquisition carry out data exception judgement, if there is data have exception, then continue to monitor other data;If do not collected
Data are then determined as device exception, directly execute calamity forecast processing;Otherwise terminate this monitoring process.
3. (503) liquid such as relative position, column state, wall supporting board status that acquisition hydraulic bracket controller (109) provides
Press holder status data.
4. (504) being determined hydraulic support position and posture according to hydraulic support status data, judgement hydraulic support is
No/speed data generation interference of adjusting the distance, then terminates this monitoring process if there is interference, otherwise continues to monitor other numbers
According to.
5. the relative position that (505) acquisition coal mining machine controller (110) provides, rocking arm angle, roller operating status, spraying
The coalcutters status data such as state.
6. (506) determine coal winning machine position and posture according to coalcutter status data, whether judgement coalcutter adjusts the distance/speed
Degrees of data generates interference, then terminates this monitoring process if there is interference, otherwise continues to monitor other data.
7. (507) position data for the personnel in the pit and equipment that acquisition positioning substation (112) provides.
8. (508) according to the position data of personnel in the pit and equipment, judge whether personnel in the pit and equipment adjust the distance/speed
Data generate interference, then terminate this monitoring process if there is interference, otherwise continue to monitor other data.
9. (509) interval setting time acquisition sensing methane concentration device (111), baroceptor (112), sound transducer
(113), the various environmental datas that vibrating sensor (114), air velocity transducer (115), wind transducer (116) provide.
12. (510) monitoring of environmental data are more than setting threshold when monitoring that reversion or air pressure or wind speed occur for tunnel wind direction
When value or sound number or vibration data are more than given threshold, corresponding calamity forecast, such as methane are sent out with reference to methane concentration data
Concentration data increases or is more than given threshold suddenly, then sends out coal and gas prominent alarm signal to monitor terminal (103);Such as first
Alkane concentration data is normal, then sends out bump alarm signal to monitor terminal (103);Otherwise terminate to monitor.
Claims (5)
1. a kind of based on ranging and the coal working face calamity forecast system to test the speed, it is characterised in that:The system includes mainly
Monitoring, alarming server, storage server, monitor terminal, communication network, range unit, speed measuring device, coalcutter control device,
Hydraulic support control device, positioning substation, sensing methane concentration device, baroceptor, air velocity transducer, wind transducer, sound
Sound sensor, vibrating sensor;At least one range unit or speed measuring device are installed on coal face hydraulic support, it is described
Range unit acquires the range data of barrier on the device to direction initialization, described to test the speed for monitoring coal or rock anomaly
Device acquires the object movement speed on direction initialization, for monitoring coal working face exception high-speed moving object;In mine lane
At least one range unit is installed in road or speed measuring device, the range unit acquire barrier on the device to bottom plate direction
Range data, for monitoring tunnel abnormal stacking object, the object movement speed of the speed measuring device acquisition tunnel axial direction, for supervising
Survey abnormal high-speed moving object in tunnel;The monitoring, alarming server, monitor terminal, range unit, tests the speed at storage server
Device, coalcutter control device, hydraulic support control device, positioning substation, sensing methane concentration device, baroceptor, wind speed
Sensor, wind transducer, sound transducer, vibrating sensor connection communication network;The coalcutter control device and hydraulic pressure
Holder control device is for acquiring coalcutter and hydraulic support position and operating state data, and status data is for excluding coalcutter
The interference of system is monitored with hydraulic support movement distance or speed data;The positioning substation is responsible for offer personnel and well
Lower equipment position data, position data are used to exclude personnel or underground equipment movement to the dry of the distance that is monitored or speed data
It disturbs;The storage server is responsible for receiving the data and storage that all data acquisition devices acquire by communication network, and to prison
It surveys Alarm Server and monitor terminal provides data service;In the monitoring, alarming monitoring server coal working face or tunnel
The data that ranging or speed measuring device are acquired, and monitor sensing methane concentration device, baroceptor, air velocity transducer, wind direction and pass
The data that sensor, sound transducer, vibrating sensor acquire, and the malfunction of all data acquisition devices is monitored, work as monitoring
Alarm Server monitors that coal or rock anomaly or coal work face data acquisition dress occurs in coal working face by data processing
Set exception or abnormal stacking object occur in tunnel, and the air pressure that is monitored, wind speed, wind direction, sound or vibration data are abnormal, then to
Monitor terminal coal working face coal and gas prominent or bump alarm signal are sent out, sound-light alarm is sent out by monitor terminal.
2. calamity forecast system as described in claim 1, it is characterised in that:The range unit includes ultrasonic ranging sensing
It is one or more in device, microwave radar, laser range sensor.
3. calamity forecast system as described in claim 1, it is characterised in that:The speed measuring device includes that ultrasonic wave tests the speed sensing
It is one or more in device, microwave radar, laser velocimeter sensor.
4. calamity forecast system as described in claim 1, it is characterised in that:The range unit institute monitoring direction packet of coal working face
Range unit is included to coal working face direction of advance, range unit to scratch board conveyor direction, range unit to pavement direction.
5. calamity forecast system as described in claim 1, it is characterised in that:Monitoring, alarming server excludes liquid by data processing
Holder, coalcutter, personnel or underground equipment movement interference are pressed, by the range data of acquisition, speed data and air pressure, sound, is shaken
Dynamic, wind speed, wind direction data are compared with the threshold data stored, and refer to coal working face data acquisition device failure into
Row alarm judgement sends out coal and gas prominent to monitor terminal with reference to methane concentration further according to judgement result or bump is alarmed
Signal.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109139118A (en) * | 2018-11-05 | 2019-01-04 | 郑州煤机液压电控有限公司 | Fully-mechanized mining working intelligent early-warning system based on digital speech |
CN109505657A (en) * | 2018-11-20 | 2019-03-22 | 山西宏安翔科技股份有限公司 | A kind of mining air quantity monitoring system |
CN109869193A (en) * | 2019-03-29 | 2019-06-11 | 中煤科工集团重庆研究院有限公司 | Mining coal and gas prominent early warning robot and its method for early warning |
CN109869192A (en) * | 2019-03-28 | 2019-06-11 | 中国矿业大学 | Fully-mechanized mining working faces end head elapses state monitoring apparatus and method |
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CN112065504A (en) * | 2020-09-15 | 2020-12-11 | 中国矿业大学(北京) | Mine explosion disaster alarming method and system based on voice recognition |
AU2019369210B2 (en) * | 2019-03-14 | 2021-06-24 | China University Of Mining And Technology | Interference protection device and method for hydraulic support and cutting part of shearer |
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CN109139118A (en) * | 2018-11-05 | 2019-01-04 | 郑州煤机液压电控有限公司 | Fully-mechanized mining working intelligent early-warning system based on digital speech |
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AU2019369210B2 (en) * | 2019-03-14 | 2021-06-24 | China University Of Mining And Technology | Interference protection device and method for hydraulic support and cutting part of shearer |
CN109869192A (en) * | 2019-03-28 | 2019-06-11 | 中国矿业大学 | Fully-mechanized mining working faces end head elapses state monitoring apparatus and method |
CN109869193A (en) * | 2019-03-29 | 2019-06-11 | 中煤科工集团重庆研究院有限公司 | Mining coal and gas prominent early warning robot and its method for early warning |
CN110067598A (en) * | 2019-04-29 | 2019-07-30 | 中国矿业大学(北京) | A kind of calamity forecast method under the mine based on personnel positioning |
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CN112065504A (en) * | 2020-09-15 | 2020-12-11 | 中国矿业大学(北京) | Mine explosion disaster alarming method and system based on voice recognition |
CN112065504B (en) * | 2020-09-15 | 2021-09-14 | 中国矿业大学(北京) | Mine explosion disaster alarming method and system based on voice recognition |
CN113432637A (en) * | 2021-05-11 | 2021-09-24 | 中煤科工开采研究院有限公司 | Mining coal face CT monitoring system and method |
CN113586158A (en) * | 2021-09-06 | 2021-11-02 | 中国矿业大学(北京) | Disaster early warning system based on accurate positioning |
CN113586158B (en) * | 2021-09-06 | 2022-04-08 | 中国矿业大学(北京) | Disaster early warning system based on accurate positioning |
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