CN102852556A - Safety pre-warning system of mining equipment - Google Patents

Safety pre-warning system of mining equipment Download PDF

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Publication number
CN102852556A
CN102852556A CN 201210316675 CN201210316675A CN102852556A CN 102852556 A CN102852556 A CN 102852556A CN 201210316675 CN201210316675 CN 201210316675 CN 201210316675 A CN201210316675 A CN 201210316675A CN 102852556 A CN102852556 A CN 102852556A
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warning
measuring
safety
temperature
fiber
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CN 201210316675
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毛振刚
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毛振刚
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Priority to CN 201210316675 priority Critical patent/CN102852556A/en
Publication of CN102852556A publication Critical patent/CN102852556A/en
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Abstract

The invention discloses a safety pre-warning system of mining equipment, and is mainly characterized by comprising a power supply and distribution detection device, a motor state detection device, a distributed fiber temperature measuring device, a fiber grating temperature measuring device and a safety pre-warning platform, wherein the safety pre-warning platform comprises an industrial computer, a temperature measuring system software, a GSM (Global System for Mobile Communication) and an alarm device, the power supply and distribution detection device comprises a main switch board room measuring circuit, a power utilization device front measuring circuit and a power supply loop measuring circuit, the motor state measuring device comprises a power line, the distributed fiber temperature measuring device comprises a detection fiber and a fiber temperature measuring host, and the fiber grating temperature measuring device comprises a fiber grating sensor and a fiber grating temperature measuring host. According to the invention, by utilizing passive, electromagnetic interference resistant, electrically insulated and corrosion-resistant fiber grating technology and distributed fiber technology, a power carrier technology without laying an additional signal line is unnecessary, the system is safe and reliable, and provides guarantee for effective operation of the mining equipment.

Description

The mining equiment safety pre-warning system
Technical field
The invention belongs to the Mine Safety in Production technical field, particularly a kind of mining equiment safety pre-warning system.
Background technology
Socioeconomic develop rapidly increases day by day to the demand of the energy, and coal resource plays a part very important in socio-economic development as a kind of important basic energy resource.Therefore, can mineral resources security development, has also just become to affect the key factor of social develop rapidly.Mining equiment is as the major part of Mine Safety in Production, and can it normally move during operation, directly affects the safety in production in mine and the output of mineral resources.
Country is more and more higher to the attention degree of safety in production in recent years, and security incident occurs again and again.The mine is along with the increase of mining depth and the reduction of taste, digging, press on ground, ventilate, draining, promote, Tailings Dam, the key area safety management difficulty such as goaf are increasing, in order to improve the mine safety management means, promote the safety management scientific and technological level, each mine all in various degree carry out safety management informationization and Automation Construction, the fusion calculation machine, communication, electronics, automation, three-dimensional modeling, the digital mine technology of the technology such as virtual reality and emulation and one is produced in the mine, extensive use in safety and the management, digital mine technology have become the driving source of mining industry development in science and technology gradually.
The present present situation that detects of mining equiment: down-hole development end electric machinery adopts motor status to detect, but complicated in view of site environment, development machine and coal-winning machine move frequently, and holding wire lays easily to be pounded disconnectedly, and signal is not transferred to ground; Cable and belt be as one of mine cause on fire, and present protection is mainly take point measurement and manual detection as main, detects incompletely, and fire risk is high; Switchboard, Frequency converter and motor be connected switch contact be connected the quantity of state such as temperature and do not detect, owing to needing explosion-proof in the manufacturing process, fault to contact and tie point is more responsive, the fault of contact and tie point gently then causes the stopping production accident, heavy then cause short circuit blast and then cause flammable methane gas explosion accident, have a strong impact on the person and property safety, becoming affects the important accident of production safety source; It is main that point measurement and manual measurement are adopted in the environment measurings such as down-hole roof pressure, detects incompletely, and the detection blind area is large.The Large-Scale Equipment pedestal is loosening manually to be made regular check on.
Power carrier communication is PLC.Power carrier is the distinctive communication mode of power system, and power carrier communication refers to utilize existing power line, the analog or digital signal is carried out the technology of high-speed transfer by carrier system.Maximum characteristics are not need again to set up network, as long as live wire just can carry out the data transmission.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of mining equiment safety pre-warning system that utilizes Fiber Bragg Grating technology, distribution type fiber-optic technology and PLC technology is provided, it has passive, anti-electromagnetic interference, electric insulation, corrosion resistant characteristics, and utilize PLC technology not need laying of additional signal lines, security of system is reliable, for the efficient operation of mining equiment provides guarantee.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of mining equiment safety pre-warning system, its technical characteristics is: comprise for distribution checkout gear, motor status checkout gear, distributed fiber temperature measuring device, optical fiber grating temperature-measuring device and safe early warning platform; Wherein, described safe early warning platform comprises industrial computer, temp measuring system software, gsm module and warning device, the described distribution checkout gear that supplies comprises main distribution chamber measuring circuit, consumer front end measuring circuit and current supply circuit measuring circuit, described motor status checkout gear comprises power line, described distributed fiber temperature measuring device comprises detection optical fiber, optical fiber temperature-measurement main frame, and described optical fiber grating temperature-measuring device comprises fiber-optic grating sensor and optical fiber grating temperature-measuring main frame.
And described gsm module connects mobile phone by GPRS network.
And described industrial computer is by Internet network connection remote access user's computer.
And described warning device comprises phonetic alarm device.
And described warning device also comprises siren, alarm bell and warning lamp.
And described distributed fiber temperature measuring device also comprises structure of fiber_optic, photo-coupler and switch.
And described optical fiber grating temperature-measuring device also comprises optic path part, optical branching device and switch.
Advantage of the present invention and good effect are:
1, the motor status checkout gear based on the power carrier device of the present invention's employing, signal directly is transferred to downhole network by power line, then pass to ground, the staff can know each electric machine operation state situation of down-hole development end online, and linkage safe early warning platform is reported to the police.This system can be used as the indispensable instrument of Mine Safety in Production, normal operation, has effectively solved mine safety and has taken precautions against the problems such as the situation is tense, emergency management and rescue efficient is low, the safety management means fall behind.
2, the present invention adopts advanced distributed optical fiber temperature measurement technology, realizes the continuous measurement to whole piece cable or belt temperature spot along the line, really realizes a little-the comprehensive temperature survey of line-face, accomplishes that find the morning of fire, early processes, and prevents trouble before it happens.Because its passive distinguishing feature makes it be fit to very much be applied to the down-hole.
3, the present invention adopts the optical fiber grating temperature-measuring technology, can be laid in the measuring position according to concrete needs, 24 hours on-line measurement tested point temperature, draw the tested point temperature curve, and according to preset temperature, temperature rise is reported to the police, in time find the overheated of contact and tie point, and then avoid the formation accident.Because its passive distinguishing feature makes it be fit to very much be applied to the down-hole.
4, the present invention is reasonable in design, adopt gsm module to connect mobile phone by GPRS network, can in time warning message be sent on related personnel's the mobile phone, make things convenient for the related personnel to adopt remedial measures, industrial computer can conveniently be correlated with and lead long-range operating condition of checking mining equiment by Internet network connection remote access user's computer simultaneously; Notify the related personnel to adopt remedial measures by the various warning forms of warning device simultaneously.
Description of drawings
Fig. 1 is the theory structure block diagram of the embodiment of the invention.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is further described:
A kind of mining equiment safety pre-warning system, its technical characteristics is: comprise for distribution checkout gear, motor status checkout gear, distributed fiber temperature measuring device, optical fiber grating temperature-measuring device and safe early warning platform; Wherein, described safe early warning platform comprises industrial computer, temp measuring system software, gsm module and warning device, the described distribution checkout gear that supplies comprises main distribution chamber measuring circuit, consumer front end measuring circuit and current supply circuit measuring circuit, described motor status checkout gear comprises power line, described distributed fiber temperature measuring device comprises detection optical fiber, optical fiber temperature-measurement main frame, and described optical fiber grating temperature-measuring device comprises fiber-optic grating sensor and optical fiber grating temperature-measuring main frame.
In conjunction with Fig. 1, set forth operating principle of the present invention:
Down-hole development end electric machinery adopts the motor status checkout gear based on the power carrier device, and signal directly is transferred to downhole network by power line, then passes to ground.The related personnel can know the duty situation of down-hole each motor of development end online, and linkage is to the safe early warning platform.
Cable and belt adopt advanced passive distributed optical fiber temperature measurement technology as one of mine cause on fire, realize the continuous measurement to whole piece cable or belt temperature spot along the line, the real comprehensive temperature survey that realizes point-line-face, accomplish to find the morning of fire, early process, prevent trouble before it happens.The distributed optical fiber temperature measurement technology can realize the global measuring to the down-hole roof pressure, really realizes a little-the comprehensive temperature survey of line-face, accomplishes the real time on-line monitoring of roof pressure and equipment base state.
Switchboard, Frequency converter and motor adopt the optical fiber grating temperature-measuring technology, can be laid in the measuring position according to concrete needs, 24 hours on-line measurement tested point temperature, draw the tested point temperature curve, and according to preset temperature, temperature rise is reported to the police, and in time finds the overheated of contact and tie point, and then avoids the formation accident.
The optical fiber grating temperature-measuring device comprises fiber-optic grating sensor, optical fiber grating temperature-measuring main frame, optic path part, optical branching device and switch.Fiber-optic grating sensor is the transducing part of this device, have that volume is little, precision is high, the characteristics of high temperature resistant, high pressure, paste the easy heating positions such as joint of measuring at needs, because system is quasi-distributed, therefore can install, arrange according to actual conditions sensor, lay for the quantity that needs survey mark and position, to reach the requirement of switchboard and motor temperature monitoring.Very suitable switchboard and motor internal wiring terminal thermometric use.The optic path part: all signals of device all adopt micropower laser to carry out, and have safe characteristics.
Security of system early warning platform adopt the technology such as high-speed AD technology, high-speed digital signal processor, large scale digital circuit to sending and receiving to micropower laser process and analyze.Through software analysis, obtain the real time temperature data of each survey mark, and show and the warning device overtemperature alarm that transfinites through display, meet consumers' demand.According to user's request, data can be stored and uploaded.Can carry out according to the actual requirements the settings of reporting to the police such as temperature bound, temperature rise rate to each tested point, formulate monitoring scheme for different switch contacts, distinct device, reach overall monitor, reduction even elimination are because of switch contact and the overheated stopping production that causes of tie point even serious accident.
Industrial computer is provided with the relay output point, can access siren, alarm bell, warning lamp and phonetic alarm device etc. and be convenient to the output of reporting to the police; Utilize Internet network connection remote access user's computer, can conveniently be correlated with and lead long-range operating condition of checking mining equiment, simultaneously can utilize gsm module to connect mobile phone by GPRS network, in time warning message is sent on related personnel's the mobile phone, make things convenient for the related personnel to adopt remedial measures.
Distributed fiber temperature measuring device adopts the backscatter sounding method, produce very narrow pump light pulse by semiconductor laser LD, carry out being coupled into temperature sensing optical cable by optical fiber splitter behind the power ascension through fiber amplifier EDFA, in temperature sensing optical cable, will produce rear orientation light, thereby the rear orientation light that returns is coupled into optical filter through optical fiber splitter again to carry out filtering and separates the backward anti-Stokes scattering light that obtains carrying temperature signal and as the backward Stokes ratio with reference to signal, just finished since then the collecting work of signal; Finish through avalanche diode and enter amplifier 1 after the opto-electronic conversion and 2 pairs of level signals of amplifier are amplified from optical filter anti-Stokes scattering light and Stokes ratio out, then transform chip by two A/D respectively and carry out digital-to-analogue conversion, thereby obtain data signal, by computer data signal is carried out signal processing, analytical calculation again, finally obtain the thermal field signal of corresponding points.Therefore, send light pulse after, backscatter signal is carried out the multi-point sampling of height, just can obtain along fiber axis to the thermal field distribute the realization distributed temperature sensing.
The display mode of native system safe early warning platform is the temperature profile that shows whole piece optical fiber below the main interface of industrial computer, what top, main interface showed is the temperature profile of a certain subregion, subregion is the alarm region of cutting apart according to user's needs, the longitudinal axis represents temperature, and transverse axis represents distance.The space diagram that below main interface, also can show optical fiber, arrange according to the user, the information that can show specified temp in space diagram as showing this place temperature rising or reduction by curve when the temperature anomaly of somewhere the time, also can reflect trend and the trend of temperature according to the trend of crest; Each subregion can arrange respectively too high or too low temperature alarming value, and when measuring temperature above threshold temperature, system can send alarm signal automatically.On optical fiber space figure, also use waming color and highlight warning subregion and warning message.
System is according to user's needs, regularly the storage temperature data; And can use special analysis software that historical data is carried out query analysis statistics, can inquire about or add up a light certain a bit, temperature data in a certain section or the some time ranges.The temperature data when reporting to the police front and back and warning is preserved in system's meeting automatically when system detects temperature alarming.
It is emphasized that; embodiment of the present invention is illustrative; rather than determinate; therefore the present invention is not limited to the embodiment described in the specific embodiment; every other embodiments that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope of protection of the invention equally.

Claims (7)

1. mining equiment safety pre-warning system, its technical characteristics is: comprise for distribution checkout gear, motor status checkout gear, distributed fiber temperature measuring device, optical fiber grating temperature-measuring device and safe early warning platform; Wherein, described safe early warning platform comprises industrial computer, temp measuring system software, gsm module and warning device, the described distribution checkout gear that supplies comprises main distribution chamber measuring circuit, consumer front end measuring circuit and current supply circuit measuring circuit, described motor status checkout gear comprises power line, described distributed fiber temperature measuring device comprises detection optical fiber, optical fiber temperature-measurement main frame, and described optical fiber grating temperature-measuring device comprises fiber-optic grating sensor and optical fiber grating temperature-measuring main frame.
2. mining equiment safety pre-warning system according to claim 1, it is characterized in that: described gsm module connects mobile phone by GPRS network.
3. mining equiment safety pre-warning system according to claim 1 is characterized in that: described industrial computer is by Internet network connection remote access user's computer.
4. mining equiment safety pre-warning system according to claim 1, it is characterized in that: described warning device comprises phonetic alarm device.
5. according to claim 1 or 4 described mining equiment safety pre-warning systems, it is characterized in that: described warning device also comprises siren, alarm bell and warning lamp.
6. mining equiment safety pre-warning system according to claim 1, it is characterized in that: described distributed fiber temperature measuring device also comprises structure of fiber_optic, photo-coupler and switch.
7. mining equiment safety pre-warning system according to claim 1 is characterized in that: described optical fiber grating temperature-measuring device also comprises optic path part, optical branching device and switch.
CN 201210316675 2012-08-31 2012-08-31 Safety pre-warning system of mining equipment Pending CN102852556A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103698050A (en) * 2013-12-26 2014-04-02 北京航天时代光电科技有限公司 Distributed optical fiber temperature sensor-based distributed optical fiber temperature sensing detection system
WO2015003487A1 (en) * 2013-07-08 2015-01-15 中国矿业大学 Optical fiber grating temperature-sensing monitoring system and method for coal-mining working surface goaf in coal mine
CN105089701A (en) * 2015-08-10 2015-11-25 山西省交通科学研究院 Operation tunnel health monitoring and early warning system and method based on distributed optical fiber sensing
CN106081834A (en) * 2016-08-30 2016-11-09 山西科达富升智能控制技术有限公司 A kind of mine vertical shaft elevator unmanned control system and control method thereof
CN106761891A (en) * 2017-01-14 2017-05-31 太原理工大学 Belt conveyer automatic fire extinguishing system based on distributed optical fiber temperature measurement technology

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015003487A1 (en) * 2013-07-08 2015-01-15 中国矿业大学 Optical fiber grating temperature-sensing monitoring system and method for coal-mining working surface goaf in coal mine
RU2620324C1 (en) * 2013-07-08 2017-05-24 Чайна Юниверсити Оф Майнинг Энд Текнолоджи Carried out on the basis of lattice fiber-optic system of monitoring and temperature measurement and corresponding way for developed action slaughtering space in coal mining
CN103698050A (en) * 2013-12-26 2014-04-02 北京航天时代光电科技有限公司 Distributed optical fiber temperature sensor-based distributed optical fiber temperature sensing detection system
CN103698050B (en) * 2013-12-26 2016-06-01 北京航天时代光电科技有限公司 A kind of distribution type fiber-optic heat detection system based on distributed optical fiber temperature sensor
CN105089701A (en) * 2015-08-10 2015-11-25 山西省交通科学研究院 Operation tunnel health monitoring and early warning system and method based on distributed optical fiber sensing
CN105089701B (en) * 2015-08-10 2017-09-29 山西省交通科学研究院 Operation tunnel health monitoring early warning system and method based on distributing optical fiber sensing
CN106081834A (en) * 2016-08-30 2016-11-09 山西科达富升智能控制技术有限公司 A kind of mine vertical shaft elevator unmanned control system and control method thereof
CN106761891A (en) * 2017-01-14 2017-05-31 太原理工大学 Belt conveyer automatic fire extinguishing system based on distributed optical fiber temperature measurement technology

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