CN102174898B - Mine ground pressure monitoring system - Google Patents
Mine ground pressure monitoring system Download PDFInfo
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- CN102174898B CN102174898B CN 201110043764 CN201110043764A CN102174898B CN 102174898 B CN102174898 B CN 102174898B CN 201110043764 CN201110043764 CN 201110043764 CN 201110043764 A CN201110043764 A CN 201110043764A CN 102174898 B CN102174898 B CN 102174898B
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Abstract
The invention relates to a mine ground pressure monitoring system which comprises a data interface, a ground host machine, a lightning arrester, a junction box, a plurality of mine substations and a mine power supply, wherein the data interface and the ground host machine are arranged above a mine shaft and connected through a serial port line; the junction box and the plurality of mine substations are arranged under the mine shaft; the input end of the lightning arrester is connected with the junction box through a cable; the output end of the lightning arrester is connected with the data interface through a data line; the junction box is connected with each mine substation through a cable; the mine power supply is used for directly supplying power to the mine substations; and an anchor rod/cable stress sensor, a roof-to-floor convergence sensor, a mine pressure sensor and a mine intrinsic-safety-type bed separation displacement sensor are respectively connected to each mine substation through cables. The mine ground pressure monitoring system has strong shock resistance and high measurement precision and can be used for measuring small displacement amounts simultaneously.
Description
Technical field
The present invention relates to a kind of rock pressure monitoring system.Be applied in coal industry, mainly be to be responsible for coal-face, development end and to close on macroscopical ore deposit such as back stress, roof deformation and destruction, stent strut decrement and load, absciss layer relative displacement, armature boring stress pressure amount of manifesting and measure and record, and the rock stratum is movable, finds that the coal-face mine is come the pressure cycle, pressed step pitch, rock stratum mechanics and instruct production with this.
Background technology
Underground mining engineering often is in the strong stress field, and the face surrounding rock pressure especially variation of roof pressure directly has influence on the safety of personnel and equipment.Adopting of underground coal and rock will cause roof weighting, can not obtain good prediction and just may cause roof accident if press, and especially tilts and steeply-inclined seam mining.The mine pressure monitoring method mainly is the pressure variation by monitoring fully mechanized mining supporter or hydraulic prop oil cylinder interior media at present, and then infers the roof pressure Changing Pattern, to the supporting of accurate instruction coal face and Roof Control work.Existing rock pressure monitoring system mainly exists certainty of measurement low, and impact resistance is poor, and can not measure small displacement.
Summary of the invention
The purpose of this invention is to provide a kind of strong shock resistance, certainty of measurement is high, and can measure the frame upward pressure monitoring system of small displacement.
The technical scheme that realizes above-mentioned purpose is: a kind of rock pressure monitoring system, comprise and be arranged on aboveground data-interface and ground host machine, data-interface is connected Serial Port Line with ground host machine and connects, the junction box and a plurality of mining substation that also comprise arrester and be arranged on the down-hole, mining power supply, the input of arrester is connected with junction box by cable, the output of arrester is connected with data-interface by data wire, junction box is connected with each mining substation by cable, mining power supply directly to the mining substation power supply, is connected with anchor pole/rope strain gauge with cable respectively on each mining substation, the nearly quantity sensor of roof and floor, mining pressure sensor and intrinsic safety type separation-layer displacement sensor for mine.
Mining pressure sensor is comprised of pressure sensor body and two pressure transmitters, two pressure transmitters all are electrically connected with the pressure sensor body by cable, sensor body is by housing, cover plate, main circuit board, alarm lamp, buzzer, handle, observation port and the aviation plug that is used for stube cable form, cover plate docks with housing and is fixed together, main circuit board is fixed in the housing, alarm lamp is installed on the housing, and alarm lamp is connected with main circuit board by wire, buzzer is installed in the housing, and buzzer is connected with main circuit board by wire, handle is fixed on the top of housing, observation port is installed in the front of housing, aviation plug is installed in hull outside, and is connected with main circuit board by wire.
Intrinsic safety type separation-layer displacement sensor for mine is comprised of sensor body and two backguy displacement chis, two backguy displacement chis all are electrically connected with sensor body by cable, described sensor body is by housing, cover plate, main circuit board, alarm lamp, buzzer, handle, observation port and the aviation plug that is used for stube cable form, cover plate docks with housing and is fixed together, main circuit board is fixed in the housing, alarm lamp is installed on the housing, and alarm lamp is connected with main circuit board by wire, buzzer is installed in the housing, and buzzer is connected with main circuit board by wire, handle is fixed on the top of housing, observation port is installed in the front of housing, aviation plug is installed in hull outside, and is connected with main circuit board by wire.
After adopting technique scheme, the pressure transmitter in the sensor body adopts stainless steel integrated member, elasticity of import body original paper, and advanced paster technique is taken into account in the high accuracy strain, has highly sensitive, stable performance, good impact resistance.The full soldering and sealing of stainless steel connects, and structure is small and exquisite, compact, and good moistureproof ability and excellent media compatibility are arranged.Export corresponding current signal according to the size of pressure, gathered by sensor body, output and upper machine communication after processing have improved the precision of monitoring greatly.Backguy displacement chi is electrically connected with sensor body by cable, and the bed separation displacement motion of rock stratum, colliery drives the motion of displacement backguy chi, mechanical displacement can be converted into the signal of telecommunication gageable, linear ratio.When measuring object produces displacement, the signal of telecommunication that the output of backguy displacement chi is directly proportional with amount of movement, sensor body gathers, processes rear output and upper machine communication to the signal of telecommunication.The method of this employing constant force design, small absciss layer motion all can be measured, and has improved the precision of measuring.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of sensor body of the present invention;
Fig. 3 is the partial schematic sectional view of Fig. 2;
Fig. 4 is the structural representation of mining pressure sensor of the present invention;
Fig. 5 is the circuit theory diagrams of pressure transmitter in the mining pressure sensor of the present invention;
Fig. 6 is the circuit theory diagrams of mining pressure sensor of the present invention;
Fig. 7 is the structural representation of intrinsic safety type separation-layer displacement sensor for mine of the present invention;
Fig. 8 is the circuit theory diagrams of intrinsic safety type separation-layer displacement sensor for mine of the present invention.
The specific embodiment
The present invention is further detailed explanation below in conjunction with drawings and Examples.
As shown in Figure 1, a kind of rock pressure monitoring system, comprise and be arranged on aboveground data-interface and ground host machine, data-interface is connected Serial Port Line with ground host machine and connects, the junction box and a plurality of mining substation that also comprise arrester and be arranged on the down-hole, mining power supply, the input of arrester is connected with junction box by cable, the output of arrester is connected with data-interface by data wire, junction box is connected with each mining substation by cable, mining power supply directly to the mining substation power supply, is connected with anchor pole/rope strain gauge with cable respectively on each mining substation, the nearly quantity sensor of roof and floor, mining pressure sensor and intrinsic safety type separation-layer displacement sensor for mine.
Shown in Fig. 2 ~ 6, mining pressure sensor is comprised of pressure sensor body and two pressure transmitters 9, two pressure transmitters 9 all are electrically connected with the pressure sensor body by cable, sensor body is by housing 1, cover plate 2, main circuit board 3, alarm lamp 4, buzzer 6, handle 5, observation port 7 and the aviation plug 8 that is used for stube cable form, cover plate 2 docks with housing 1 and is fixed together, main circuit board 3 is fixed in the housing 1, alarm lamp 4 is installed on the housing 1, and alarm lamp 4 is connected with main circuit board 3 by wire, buzzer 6 is installed in the housing 1, and buzzer 6 is connected with main circuit board 3 by wire, handle 5 is fixed on the top of housing 1, observation port 7 is installed in the front of housing 1, and aviation plug 8 is installed in hull outside, and is connected with main circuit board 3 by wire.
Such as Fig. 2,3,7, shown in 8, intrinsic safety type separation-layer displacement sensor for mine is comprised of sensor body and two backguy displacement chis 10, two backguy displacement chis 10 all are electrically connected with sensor body by cable, described sensor body is by housing 1, cover plate 2, main circuit board 3, alarm lamp 4, buzzer 6, handle 5, observation port 7 and the aviation plug 8 that is used for stube cable form, cover plate 2 docks with housing 1 and is fixed together, main circuit board 3 is fixed in the housing 1, alarm lamp 4 is installed on the housing 1, and alarm lamp 4 is connected with main circuit board 3 by wire, buzzer 6 is installed in the housing 1, and buzzer 6 is connected with main circuit board 3 by wire, handle 5 is fixed on the top of housing 1, observation port 7 is installed in the front of housing 1, and aviation plug 8 is installed in hull outside, and is connected with main circuit board 3 by wire.
Operating principle of the present invention is as follows:
Shown in Fig. 5,6, current signal that pressure transmitter provides becomes voltage signal through sampling resistor and is input to acquisition channel, and single-chip microcomputer carries out acquisition process, analysis, compensation to signal and shows by charactron; Outputting standard frequency signal or current signal carry out sound and light alarm when measured value is equal to or greater than alarming value, alarming value is set with remote controller.
Adopt accurate backguy displacement chi 10 for sensor body provides the signal of telecommunication, backguy displacement chi 10 can equivalence be variable precision resistance, adopts the constant force design, and displacement backguy chi motive force is not more than 5N, is quick on the draw when monitoring strata displacement, and precision is high.Backguy length output voltage values according to backguy displacement chi.Voltage signal is input to acquisition channel, and single-chip microcomputer carries out acquisition process to signal, and shows by charactron.Outputting standard frequency signal or current signal carry out sound and light alarm when measured value is equal to or greater than alarming value, alarming value can be by the remote controller setting.
Mining pressure sensor gathers comprehensive mining hydraulic bracket, single-body hydraulic supporter working resistance; Intrinsic safety type separation-layer displacement sensor for mine gathers the roof delamination shift value; The anchor support force of anchor pole/rope strain gauge collection of coal mine roof timbering anchor pole; The roof to floor convergence sensor gathers roof and floor and shifts near shift value.Each sensor of down-hole is connected with mining substation by cable, mining power supply is powered to sensor through mining substation, mining substation is directly powered by mining power supply, the signal that each substation collects is delivered to data aboveground by cable through arrester, link to each other with data-interface, the signal of final data interface output is through RS232 Serial Port Line link to each other with the ground host machine demonstration of finishing data, storage, analysis etc.
Claims (2)
1. rock pressure monitoring system, comprise and be arranged on aboveground data-interface and ground host machine, data-interface is connected Serial Port Line with ground host machine and connects, it is characterized in that: the junction box and a plurality of mining substation that also comprise arrester and be arranged on the down-hole, mining power supply, the input of arrester is connected with junction box by cable, the output of arrester is connected with data-interface by data wire, junction box is connected with each mining substation by cable, mining power supply is directly powered to mining substation, be connected with anchor pole/rope strain gauge with cable respectively on each mining substation, the nearly quantity sensor of roof and floor, mining pressure sensor and intrinsic safety type separation-layer displacement sensor for mine, wherein said mining pressure sensor is comprised of pressure sensor body and two pressure transmitters (9), two pressure transmitters (9) all are electrically connected with the pressure sensor body by cable, sensor body is by housing (1), cover plate (2), main circuit board (3), alarm lamp (4), buzzer (6), handle (5), observation port (7) and the aviation plug (8) that is used for stube cable form, cover plate (2) docks with housing (1) and is fixed together, main circuit board (3) is fixed in the housing (1), alarm lamp (4) is installed on the housing (1), and alarm lamp (4) is connected with main circuit board (3) by wire, buzzer (6) is installed in the housing (1), and buzzer (6) is connected with main circuit board (3) by wire, handle (5) is fixed on the top of housing (1), observation port (7) is installed in the front of housing (1), aviation plug (8) is installed in hull outside, and is connected with main circuit board (3) by wire.
2. rock pressure monitoring system according to claim 1, it is characterized in that: described intrinsic safety type separation-layer displacement sensor for mine is comprised of sensor body and two backguy displacement chis (10), two backguy displacement chis (10) all are electrically connected with sensor body by cable, described sensor body is by housing (1), cover plate (2), main circuit board (3), alarm lamp (4), buzzer (6), handle (5), observation port (7) and the aviation plug (8) that is used for stube cable form, cover plate (2) docks with housing (1) and is fixed together, main circuit board (3) is fixed in the housing (1), alarm lamp (4) is installed on the housing (1), and alarm lamp (4) is connected with main circuit board (3) by wire, buzzer (6) is installed in the housing (1), and buzzer (6) is connected with main circuit board (3) by wire, handle (5) is fixed on the top of housing (1), observation port (7) is installed in the front of housing (1), aviation plug (8) is installed in hull outside, and is connected with main circuit board (3) by wire.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110043764 CN102174898B (en) | 2011-02-24 | 2011-02-24 | Mine ground pressure monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110043764 CN102174898B (en) | 2011-02-24 | 2011-02-24 | Mine ground pressure monitoring system |
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| CN102174898A CN102174898A (en) | 2011-09-07 |
| CN102174898B true CN102174898B (en) | 2013-01-30 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362552B (en) * | 2013-06-26 | 2015-06-10 | 中国矿业大学 | Distributed optical fiber grating anchor rod group stress monitoring system for coal mine roadway |
| CN104329104B (en) * | 2014-09-12 | 2016-05-04 | 吴庆霖 | A kind of pressure monitoring device for hydraulic support |
| CN104373154B (en) * | 2014-10-09 | 2018-04-27 | 神华集团有限责任公司 | A kind of back stability monitoring method |
| CN104747217B (en) * | 2015-02-03 | 2017-02-22 | 山东理工大学 | Mine surrounding rock disaster rock bolt plate pressure real-time monitoring method |
| CN104913818B (en) * | 2015-06-09 | 2018-05-01 | 北京恒锚力科技有限公司 | One kind deformation anchor shaft anchor cable monitor, monitoring system and its monitoring method |
| CN105134296B (en) * | 2015-09-18 | 2017-05-24 | 煤炭科学技术研究院有限公司 | Digital mine safety monitoring system |
| CN106523033B (en) * | 2016-12-29 | 2019-01-04 | 新疆铭鼎高科投资发展有限公司 | A kind of efficient Coal Mine Safety Monitoring System |
| CN106932129A (en) * | 2017-04-27 | 2017-07-07 | 山东科技大学 | Colliery depth shaft wall safety monitoring assembly and its monitoring method |
| CN111720171B (en) * | 2020-06-24 | 2021-12-21 | 安徽理工大学 | Intelligent test and analysis system and method for roof pressure of coal seam working face |
| CN112523807A (en) * | 2020-12-18 | 2021-03-19 | 山东科技大学 | Three-dimensional coal pillar transfer force display observation method for impact roadway area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4540484B2 (en) * | 2005-01-07 | 2010-09-08 | 戸田建設株式会社 | Tunnel operation management system in tunnel |
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Address after: 213022 Jiangsu city of Changzhou province Xinbei Longhu Tong Technology Road No. Applicant after: Jiangsu Shine Technology Co., Ltd. Applicant after: Yixing Sanheng Automation Instruments Co., Ltd. Address before: 213022 Jiangsu city of Changzhou province Xinbei Longhu Tong Technology Road No. Applicant before: Jiangsu Shine Technology Group Co., Ltd. Applicant before: Yixing Sanheng Automation Instruments Co., Ltd. |
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