CN102691521A - Installation method for driving working face monitoring system - Google Patents
Installation method for driving working face monitoring system Download PDFInfo
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- CN102691521A CN102691521A CN2012101544155A CN201210154415A CN102691521A CN 102691521 A CN102691521 A CN 102691521A CN 2012101544155 A CN2012101544155 A CN 2012101544155A CN 201210154415 A CN201210154415 A CN 201210154415A CN 102691521 A CN102691521 A CN 102691521A
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Abstract
The invention relates to an installation method for a real-time coal mining driving working face monitoring system, comprising the steps of installation of a sensor system, installation of a wireless data collector, installation of a mine flameproof power supply and installation of an underground monitoring branch station. The sensor system comprises a stress sensor and a gas sensor, the wireless data collector is connected with the stress sensor, and data collected by the stress sensor is transmitted to a wireless receiver of the underground monitoring branch station; the underground monitoring branch station is provided with built-in system collection software to store, analyze and process monitoring signals, and an underground sound-light alarm sends out an alarm if the data is abnormal; and processed data is transmitted to a ground monitoring system through an optical fiber ring network, a ground server monitoring system comprises a sound-light alarm which can give an timely alarm when the monitoring signals are abnormal. The driving working face monitoring system can realize the real-time monitoring and prewarning of driving working faces.
Description
Technical field
The present invention relates to a kind of mounting method of driving face monitoring system.
Background technology
The China's coal-mine accident takes place frequently, and brings threat for miner's the personal safety and the safety in production in colliery.In recent years, along with country, the mine is to the attention of safety and the lifting of colliery profit norm, the input of safety of coal mines aspect continues to strengthen.Monitoring technology then is a focus of studying both at home and abroad in recent years, and this technology is provided with the monitoring point in the scope of mine, then transfer of data is arrived storage, treating apparatus, and then with analysis software the contingent disaster in mine is analyzed.
The coal mine roadway driving is abominable, the dangerous big work of a kind of condition of work.At present, the driving in mine mainly relies on experience, and particularly the driving under geological conditionss such as heavily stressed, high gas lacks effective monitoring means, especially can monitor in real time and the equipment and the method for early warning.
The driving in colliery; Needs one are enclosed within the stress monitoring system of down-hole ability real-time monitored and early warning minority measuring point, the stress state of each measuring point of underground work personnel ability real time inspection, and can carry out real-time early warning according to settings; For downhole safety production provides safeguard; Simultaneously abovegroundly can see monitored data in real time synchronously, it is capable that control well is divided into received shipment, and the stress state and the gas density information of development end is provided for the mine administrative staff.
In conjunction with above demand; Exploitation one cover driving face stress and gas monitoring system; A complete set of system is installed near the work plane operating personnel, shows the stress monitoring data in real time, according to field condition threshold value of warning is set; Reach threshold value and carry out display alarm and drive sound and light alarm, in time report each measuring point stress state for the Field Force.
Summary of the invention
Technical scheme of the present invention is: a kind of mounting method of driving face monitoring system, and system comprises sensing system, data acquisition device, mine explosion-suppression power supply, underground monitoring substation, aboveground monitoring system; Sensing system comprises strain gauge and firedamp sensor; Firedamp sensor and strain gauge are arranged in the getting working face range of disturbance; The data acquisition device is connected with strain gauge, the wireless receiver of transfer of data to the underground monitoring substation that strain gauge is gathered; The mine explosion-suppression power supply is connected with the underground monitoring substation; The underground monitoring substation is provided with the embedded system acquisition software, monitor signal is stored, analyzes and handles, if data occur then having the down-hole audible-visual annunciator to send warning unusually; Data after the processing also transfer to aboveground monitoring system through optical fiber ring network, and aboveground monitoring system comprises audible-visual annunciator, occur reporting to the police timely when unusual at monitor signal.
Said system installation method comprises that sensing system is installed, the data acquisition device is installed, the mine explosion-suppression power supply is installed and the underground monitoring substation is installed.Sensor comprises strain gauge and firedamp sensor, and strain gauge is one group along per two strain gauges of the monolateral layout of digging laneway, and every group of two strain gauges connect preceding two passages of wireless collection device, and the vertical rib of measuring point is arranged; Leading measuring point is to boring head deflection 45 degree; Two firedamp sensors connect an acquisition module separately, and this acquisition module is installed in the Monitor Sub-Station of Less and by substation and supplies power to firedamp sensor.
The wireless collection device is being suspended on the anchor pole near the strain gauge nearby.
The underground monitoring substation is placed on apart from work plane 80m-100m place, directly is placed on base plate, and along with the propelling of work plane, about 100 meters move left and right once.
The mine explosion-suppression power supply need connect to combine protects power supply AC127V or 660V, is installed together with Monitor Sub-Station of Less, directly is placed on base plate, moves with Monitor Sub-Station of Less.
The down-hole audible-visual annunciator is installed in the Monitor Sub-Station of Less next door, is suspended on nearby on the anchor pole, moves with Monitor Sub-Station of Less, and aboveground audible-visual annunciator is installed in the monitor server next door.
Description of drawings
Fig. 1 is a system layout of the present invention;
Fig. 2 is construction embodiment of the present invention;
The specific embodiment
A kind of driving face monitoring system mounting method comprises that sensing system is installed, the data acquisition device is installed, the mine explosion-suppression power supply is installed and the underground monitoring substation is installed.Sensing system comprises strain gauge and firedamp sensor.
Strain gauge is along the monolateral layout of digging laneway: 9 stress measuring points, and totally 11 passages, every group of two strain gauges connect preceding two passages of wireless collection device, need 5 of wireless collection devices altogether.Every group of measuring point spacing 15m, the vertical rib of measuring point arranges that fitting depth is respectively 7m, 14m, spacing 1m; Leading measuring point is to boring head deflection 45 degree (see figure 2)s, and fitting depth is 14m.Along with the propelling of work plane, strain gauge moves group, realizes circulatory monitoring.The wireless collection device is being suspended on the anchor pole near the strain gauge nearby.
Drilling construction requires and parameter:
(1) bore diameter: φ 42-45mm, use the construction of φ 42mm drill bit.
(2) drilling depth: 7m, 14m; It is consistent with the fitting depth of strain gauge to hole.
(3) drillhole height: apart from tunnel seat earth 0.5～1.5m;
(4) bore direction: parallel coal seam aspect, avoid boring to get in the rock stratum;
(5) drilling hole stress sensor tubing length 9m, 15m.
(6) use mounting rod Installation Stress sensor;
(7) use oil pump to suppress, be stabilized in 5Mpa up to oil pressure to strain gauge.
Two firedamp sensors connect an acquisition module separately, and this acquisition module is installed in the Monitor Sub-Station of Less and by substation and supplies power to firedamp sensor.Firedamp sensor is furnished with convenient on-the-spot installation of junction box.Firedamp sensor is installed in respectively apart from driving face 15m and 40m, is suspended on the anchor pole nearby.Along with the propelling of work plane, firedamp sensor about 200 meters of the line of can considering to lengthen in advance, about 100 meters of every like this propellings are moved with substation.
The underground monitoring substation is placed on apart from work plane 80m-100m place, can directly be placed on base plate.Along with the propelling of work plane, about 100 meters move left and right once.For realizing the ground monitoring function, need from laying optical cable between near Monitor Sub-Station of Less to the optical cable interface.Reserve fiber lengths according to manufacturing schedule, reduce optical fiber and connect number of times.
The mine explosion-suppression power supply need connect to combine protects power supply AC127V or 660V.Be installed together with Monitor Sub-Station of Less, can directly be placed on base plate.Move with Monitor Sub-Station of Less.Cable can connect according to the on-the-spot guarantor's position of source of combining of exploitation nearby, has reserved respective length.
The down-hole audible-visual annunciator is installed in the Monitor Sub-Station of Less next door, is suspended on nearby on the anchor pole, moves with Monitor Sub-Station of Less.Aboveground audible-visual annunciator is installed in the monitor server next door.
Claims (6)
1. the mounting method of a driving face monitoring system, said system comprises sensing system, data acquisition device, mine explosion-suppression power supply, underground monitoring substation, aboveground monitoring system; Sensing system comprises strain gauge and firedamp sensor; Said system installation method comprises that sensing system is installed, the data acquisition device is installed, the mine explosion-suppression power supply is installed and the underground monitoring substation is installed.
2. the mounting method of driving face monitoring system as claimed in claim 1 is characterized in that: said sensor comprises strain gauge and firedamp sensor, and strain gauge is along the monolateral layout of digging laneway; Per two strain gauges are one group, and every group of two strain gauges connect preceding two passages of wireless collection device; Every group of measuring point spacing 15m; The vertical rib of measuring point arranges that fitting depth is respectively 7m, 14m, group and group spacing 1m; Leading measuring point is to boring head deflection 45 degree, and fitting depth is 14m; Two firedamp sensors connect an acquisition module separately, and this acquisition module is installed in the Monitor Sub-Station of Less and by substation and supplies power to firedamp sensor.
3. the mounting method of driving face monitoring system as claimed in claim 2 is characterized in that: the wireless collection device is being suspended on the anchor pole near the strain gauge nearby.
4. like the mounting method of the arbitrary described driving face monitoring system of claim 1-3, it is characterized in that: Monitor Sub-Station of Less is placed on apart from work plane 80m-100m place, directly is placed on base plate, and along with the propelling of work plane, about 100 meters move left and right once.
5. the mounting method of driving face monitoring system as claimed in claim 4 is characterized in that: the mine explosion-suppression power supply need connect to combine protects power supply AC127V or 660V, is installed together with Monitor Sub-Station of Less, directly is placed on base plate, moves with Monitor Sub-Station of Less.
6. like the mounting method of the arbitrary described driving face monitoring system of claim 1-3; It is characterized in that: the down-hole audible-visual annunciator is installed in the Monitor Sub-Station of Less next door; Be suspended on nearby on the anchor pole, move with Monitor Sub-Station of Less, aboveground audible-visual annunciator is installed in the monitor server next door.
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| CN2012101544155A CN102691521A (en) | 2012-05-18 | 2012-05-18 | Installation method for driving working face monitoring system |
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| CN2012101544155A CN102691521A (en) | 2012-05-18 | 2012-05-18 | Installation method for driving working face monitoring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103590855A (en) * | 2013-10-16 | 2014-02-19 | 镇江中煤电子有限公司 | Upper corner gas monitoring system |
| CN106290743A (en) * | 2016-10-08 | 2017-01-04 | 安徽理工大学 | A kind of coal mine gas concentration detection and safety early warning device |
| CN110359959A (en) * | 2019-06-19 | 2019-10-22 | 中国矿业大学 | A kind of coal working face gas bearing capacity and advanced stress rapid assay methods |
| CN112267915A (en) * | 2020-10-23 | 2021-01-26 | 重庆市交通工程监理咨询有限责任公司 | Gas early warning system for tunnel construction |
| 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 |
| CN114112181A (en) * | 2021-11-26 | 2022-03-01 | 山东科技大学 | Wireless stress monitoring acousto-optic early warning instrument and monitoring early warning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103590855A (en) * | 2013-10-16 | 2014-02-19 | 镇江中煤电子有限公司 | Upper corner gas monitoring system |
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| CN106290743A (en) * | 2016-10-08 | 2017-01-04 | 安徽理工大学 | A kind of coal mine gas concentration detection and safety early warning device |
| CN110359959A (en) * | 2019-06-19 | 2019-10-22 | 中国矿业大学 | A kind of coal working face gas bearing capacity and advanced stress rapid assay methods |
| CN112267915A (en) * | 2020-10-23 | 2021-01-26 | 重庆市交通工程监理咨询有限责任公司 | Gas early warning system for tunnel construction |
| 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 |
| CN114112181A (en) * | 2021-11-26 | 2022-03-01 | 山东科技大学 | Wireless stress monitoring acousto-optic early warning instrument and monitoring early warning method |
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Inventor after: Wang Jialiang Inventor after: Jiang Fuxing Inventor after: Wu Yingkui Inventor after: Xu Qian Inventor after: Wang Cunwen Inventor after: Qu Xiaocheng Inventor before: Xu Qian Inventor before: Wang Jialiang Inventor before: Liu Yixin |
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Free format text: CORRECT: INVENTOR; FROM: XU QIAN WANG JIALIANG LIU YIXIN TO: WANG JIALIANG JIANG FUXING WU YINGKUI XU QIAN WANG CUNWEN QU XIAOCHENG |
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Application publication date: 20120926 |