CN203519200U - Distributed fiber temperature measurement system for underground coal mine - Google Patents
Distributed fiber temperature measurement system for underground coal mine Download PDFInfo
- Publication number
- CN203519200U CN203519200U CN201320634247.XU CN201320634247U CN203519200U CN 203519200 U CN203519200 U CN 203519200U CN 201320634247 U CN201320634247 U CN 201320634247U CN 203519200 U CN203519200 U CN 203519200U
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- mining
- coal mine
- temperature measurement
- optic alarm
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Abstract
The utility model provides a distributed fiber temperature measurement system for underground coal mine. The distributed fiber temperature measurement system is composed of mining temperature sensing cables, mining temperature measurement hosts, acousto-optic alarm devices, network switches and industrial personal computers. The mining temperature sensing cables and the mining temperature measurement hosts are in signal connection; the acousto-optic alarm devices and the mining temperature measurement hosts are electrically connected; and the mining temperature measurement hosts and the industrial personal computers are in electrical signal connection by the network switches. The mining temperature sensing cables, the mining temperature measurement hosts, and the acousto-optic alarm devices are arranged in the coal mine; the acousto-optic alarm devices and the mining temperature measurement hosts are arranged by a matched way; the network switches are distributed in the coal mine and on the ground; and the industrial personal computers are arranged on the ground. The provided distributed fiber temperature measurement system has the advantages of good security and reliability, high positioning precision, good anti-electromagnetic interference capability, capability of real-time, continuous, and large-scale environment temperature monitoring in the coal mine, convenient laying, relatively low cost, and easy popularization.
Description
Technical field
The utility model relates to coal mine safety monitoring field, is specifically related to temperature-measuring system of distributed fibers under a kind of coal mine.
Background technology
Under coal mine, breaking out of fire is one of key factor affecting Safety of Coal Mine Production.Raising along with China's coal-mine Mechanion and electrifing degree, in mine, electrical equipment is numerous, the ratio that fire occurs also increases year by year, as low-voltage cable catches fire, mining transformer catches fire, stringing electric car electric arc ignites, and the electrical fire accidents such as wooden support canopy catches fire happen occasionally, and circumstance complication in mine, once breaking out of fire accident is by probably causing wider calamitous security incident, very harmful.Fire failure major part is because excess Temperature causes, if can be in time before fire occurs, monitor cable, electromechanical equipment and ore deposit subsurface environment equitemperature change and send early warning, make user have the sufficient time to take appropriate measures, thereby effectively avoid the generation of fire failure, it is significant.Coal mining enterprise mainly adopts the technological means counterweight point places such as smoke transducer, infrared measurement of temperature, emphasis equipment to carry out spot check at present, to realizing underground mine fire early warning.Its weak point is aobvious, and you easily see: the one, because spot check is not continuous monitoring, probably miss potential faults; The 2nd, adopt the fire early-warning system of smoke transducer to there is larger hysteresis quality at warning aspect; The 3rd, adopt the fire early-warning system of infrared temperature sensor to involve great expense, be difficult for promoting.
Utility model content
The purpose of this utility model is: overcome prior art deficiency, provide that a kind of safe reliability is good, positioning precision is high, anti-electromagnetic interference capability is strong and can be in real time, continuously, carry out temperature-measuring system of distributed fibers under the coal mine of environment temperature monitoring on a large scale.
The technical solution of the utility model is: temperature-measuring system of distributed fibers under coal mine of the present utility model, and its design feature is: comprise mining temperature sensing optical cable, mining thermometric main frame, acoustic-optic alarm, the network switch and industrial computer;
Above-mentioned mining temperature sensing optical cable is connected with mining thermometric host signal; Acoustic-optic alarm is electrically connected to mining thermometric host signal; Mining thermometric main frame is electrically connected to industrial computer signal by the network switch.
Further scheme is: above-mentioned mining temperature sensing optical cable, mining thermometric main frame and acoustic-optic alarm are located under coal mine; Mining temperature sensing optical cable at least arranges more than 1, and mining thermometric main frame at least arranges more than 1, acoustic-optic alarm and the supporting setting of mining thermometric main frame, every supporting 1 cover acoustic-optic alarm that arranges of mining thermometric main frame; The network switch at least arranges more than 2, and the network switch is divided under coal mine and ground; Industrial computer at least arranges more than 1, and industrial computer is located at ground.
The utlity model has positive effect: temperature-measuring system of distributed fibers under (1) coal mine of the present utility model, the temperature at place, place can continuous coverage optical fiber along the line, can carry out continual automatic measurement, measurement range is wide, and positioning precision reaches the order of magnitude of a meter.(2) temperature-measuring system of distributed fibers under coal mine of the present utility model, adopts temperature sensing optical cable as sensor, does not need power supply, and security and reliability are high, and anti-electromagnetic interference capability is strong and can be anti-lightning strike; Be particularly suitable for severe environment for use under coal mine.(3) temperature-measuring system of distributed fibers under coal mine of the present utility model, by monitorings such as coal mine roadway, cable and coal seam temperature, can effectively prevent the generation of fire failure, guarantees the safe operation that mine is produced.(4) temperature-measuring system of distributed fibers under coal mine of the present utility model, it is convenient to lay, and cost is relatively low, is easy to promote.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Reference numeral in above-mentioned accompanying drawing is as follows:
Mining temperature sensing optical cable 1,
Mining thermometric main frame 2,
Acoustic-optic alarm 3,
The network switch 4,
Industrial computer 5.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1, temperature-measuring system of distributed fibers under the coal mine of the present embodiment, is mainly comprised of mining temperature sensing optical cable 1, mining thermometric main frame 2, acoustic-optic alarm 3, the network switch 4 and industrial computer 5.
Mining temperature sensing optical cable 1 is connected with mining thermometric main frame 2 signals; Acoustic-optic alarm 3 is electrically connected to mining thermometric main frame 2 signals; Mining thermometric main frame 2 is electrically connected to industrial computer 5 signals by the network switch 4.
Mining temperature sensing optical cable 1 at least arranges more than 1, and its concrete quantity is determined according to colliery actual needs.Mining temperature sensing optical cable 1 is arranged along coal mine down-hole tunnel, belt conveyor, giant mechanical and electrical equipment or coal-face, is gathered corresponding electromechanical equipment or environment temperature.
Mining thermometric main frame 2 at least arranges more than 1, and the region quantity that its concrete quantity is carried out temperature monitoring according to actual needs under coal mine is corresponding definite.Mining thermometric main frame 2 gathers the light signal of connected temperature sensing optical cable 1 transmission, through optically filtering, opto-electronic conversion, amplification, analog-to-digital conversion, sends into signal processor processes real-time displays temperature information again.Mining thermometric main frame 2 positioned temperature information according to the time of the transmission speed of light wave in optical fiber and backward optical echo simultaneously.Mining thermometric main frame 2 can be adjusted parameters such as temperature survey time, alarming threshold values according to field requirement; Mining thermometric main frame 2 in different temperatures monitored area can arrange different alarming threshold values.
Acoustic-optic alarm 3 is arranged under coal mine.Acoustic-optic alarm 3 and the supporting setting of mining thermometric main frame 2, every supporting 1 cover acoustic-optic alarm 3 that arranges of mining thermometric main frame 2.Acoustic-optic alarm 3 is controlled by mining thermometric main frame 2, realizes sound and light alarm on the spot while reaching alarming threshold value for the temperature when monitoring.
The network switch 4 at least arranges more than 2.The network switch 4 is divided under coal mine and ground.The passage of the network switch 4 configuration information conversions and transmission.
Industrial computer 5 at least arranges more than 1.Industrial computer 5 is located at ground.Industrial computer 5 is by the network switch 4 Real-Time Monitorings and show the information such as temperature signal that each mining thermometric main frame is uploaded, and analyzes each calorie spread path, monitored area under coal mine.
To sum up, temperature-measuring system of distributed fibers under the coal mine of the present embodiment, the temperature at place, place can continuous coverage optical fiber along the line, can carry out continual automatic measurement, and measurement range is wide, and positioning precision reaches the order of magnitude of a meter; Adopt temperature sensing optical cable as sensor, do not need power supply, security and reliability are high, and anti-electromagnetic interference capability is strong and can be anti-lightning strike; Be particularly suitable for severe environment for use under coal mine; By to monitorings such as coal mine roadway, cable and coal seam temperature, can effectively prevent the generation of fire failure, guarantee the safe operation that mine is produced; System is laid convenient, and cost is relatively low, is easy to promote.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that departing from spirit and scope of the present utility model; can also make various conversion and variation and obtain the corresponding technical scheme being equal to, therefore all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (2)
1. a temperature-measuring system of distributed fibers under coal mine, is characterized in that: comprise mining temperature sensing optical cable (1), mining thermometric main frame (2), acoustic-optic alarm (3), the network switch (4) and industrial computer (5);
Described mining temperature sensing optical cable (1) is connected with mining thermometric main frame (2) signal; Acoustic-optic alarm (3) is electrically connected to mining thermometric main frame (2) signal; Mining thermometric main frame (2) is electrically connected to industrial computer (5) signal by the network switch (4).
2. temperature-measuring system of distributed fibers under coal mine according to claim 1, is characterized in that: described mining temperature sensing optical cable (1), mining thermometric main frame (2) and acoustic-optic alarm (3) are located under coal mine; Mining temperature sensing optical cable (1) at least arranges more than 1, mining thermometric main frame (2) at least arranges more than 1, acoustic-optic alarm (3) and the supporting setting of mining thermometric main frame (2), the supporting 1 cover acoustic-optic alarm (3) that arranges of every mining thermometric main frame (2); The network switch (4) at least arranges more than 2, and the network switch (4) is divided under coal mine and ground; Industrial computer (5) at least arranges more than 1, and industrial computer (5) is located at ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634247.XU CN203519200U (en) | 2013-10-14 | 2013-10-14 | Distributed fiber temperature measurement system for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320634247.XU CN203519200U (en) | 2013-10-14 | 2013-10-14 | Distributed fiber temperature measurement system for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519200U true CN203519200U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201320634247.XU Expired - Fee Related CN203519200U (en) | 2013-10-14 | 2013-10-14 | Distributed fiber temperature measurement system for underground coal mine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547518A (en) * | 2015-12-28 | 2016-05-04 | 西安科技大学 | Mined-out-area distributed optical fiber temperature monitoring and early warning system and method thereof |
| CN104167075B (en) * | 2014-07-30 | 2017-01-11 | 中石化南京工程有限公司 | Briquette bin internal ground surface temperature measuring system based on DTS fiber optic temperature sensor |
| CN108829075A (en) * | 2018-09-07 | 2018-11-16 | 天地（常州）自动化股份有限公司 | The cooperative control method of coal master's transporting coal stream supply line |
| CN109089088A (en) * | 2018-10-19 | 2018-12-25 | 贵州盘江精煤股份有限公司 | A kind of New Coal Mine downhole video camera signals transmission monitor system |
| CN114360195A (en) * | 2022-01-10 | 2022-04-15 | 山东光安智能科技有限公司 | Fire prevention and extinguishing optical fiber monitoring system and method for mining belt conveyor |
-
2013
- 2013-10-14 CN CN201320634247.XU patent/CN203519200U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167075B (en) * | 2014-07-30 | 2017-01-11 | 中石化南京工程有限公司 | Briquette bin internal ground surface temperature measuring system based on DTS fiber optic temperature sensor |
| CN105547518A (en) * | 2015-12-28 | 2016-05-04 | 西安科技大学 | Mined-out-area distributed optical fiber temperature monitoring and early warning system and method thereof |
| CN108829075A (en) * | 2018-09-07 | 2018-11-16 | 天地（常州）自动化股份有限公司 | The cooperative control method of coal master's transporting coal stream supply line |
| CN108829075B (en) * | 2018-09-07 | 2020-04-24 | 天地（常州）自动化股份有限公司 | Cooperative control method for coal mine main coal conveying flow transportation line |
| CN109089088A (en) * | 2018-10-19 | 2018-12-25 | 贵州盘江精煤股份有限公司 | A kind of New Coal Mine downhole video camera signals transmission monitor system |
| CN114360195A (en) * | 2022-01-10 | 2022-04-15 | 山东光安智能科技有限公司 | Fire prevention and extinguishing optical fiber monitoring system and method for mining belt conveyor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20161014 |