CN102242629A - Coal bed gas pressure detection system - Google Patents
Coal bed gas pressure detection system Download PDFInfo
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- CN102242629A CN102242629A CN201010180130XA CN201010180130A CN102242629A CN 102242629 A CN102242629 A CN 102242629A CN 201010180130X A CN201010180130X A CN 201010180130XA CN 201010180130 A CN201010180130 A CN 201010180130A CN 102242629 A CN102242629 A CN 102242629A
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Abstract
The invention provides a coal bed gas pressure detection system, which comprises a detection pipeline, a pressure sensor, a monitoring substation and a data server, wherein one end of the detection pipeline extends into a coal bed drill hole, and the other end of the detection pipeline is connected with the pressure sensor; the signal output end of the pressure sensor is connected with the input end of the monitoring substation and is used for converting coal bed gas pressure detected from the detection pipeline into a frequency signal and transmitting the frequency signal to the monitoring substation; the output end of the monitoring substation is connected with the input end of the data server and is used for converting the received frequency signal into a pressure numerical value and transmitting the numerical value to the data server; and the data server stores the received numerical value to obtain a pressure change curve. When the coal bed gas pressure detection system is used, the pressure number of coal bed gas can be detected in real time, the pressure change condition of the coal bed gas can be obtained in real time, the labor cost is saved, the production efficiency is improved, and the reliability of data is improved.
Description
Technical field
The embodiment of the invention relates to the mining technique field, relates in particular to a kind of coal-bed gas pressure detection system.
Background technology
Under coal mine, in the production and construction, the measurement of the original gas pressure in coal seam is directly affected the effect of the protrusion-dispelling improvement in colliery.The detection of existing coal-bed gas pressure is installed pointer pressure usually in boring, manual read's pressure power meter reading, and draw out the coal-bed gas pressure change curve.This mode consumes cost of labor, and efficient is low, and the data reliability that draws is not high, influences the protrusion-dispelling regulation effect in colliery.
Summary of the invention
The embodiment of the invention provides a kind of coal-bed gas pressure detection system, consumes cost of labor in order to solve prior art, and efficient is low, and the data reliability that draws is not high, influences the defective of the protrusion-dispelling regulation effect in colliery.
The embodiment of the invention provides a kind of coal-bed gas pressure detection system, comprising: signal piping, pressure sensor, outstation and data server;
One end of described signal piping stretches in the coal bed drilling, and the other end connects described pressure sensor; The signal output part of described pressure sensor is connected with the input of described outstation, is used for being converted to frequency signal from the detected coal-bed gas pressure of described signal piping, and sends described frequency signal to described outstation; The output of described outstation is connected with the input of described data server, and the described frequency signal that is used for receiving converts pressure value to, and sends described pressure value to described data server; Described data server is stored the pressure value that receives, and draws pressure history.
Further, described data server comprises:
Receiving element is used to receive the pressure value that described outstation transmits;
Memory cell is used for the described pressure value that described receiving element receives is stored;
The drawing unit is used for drawing out pressure history according to the pressure value of described memory cell storage in the setting-up time section.
Described data server can also comprise:
Print unit is used to print the pressure history of drafting.
Further, this system can also comprise:
Pressure meter, described pressure meter is connected between the two ends of described signal piping, is used for according to from the detected coal-bed gas pressure of described signal piping described pressure sensor being proofreaied and correct.
Further, this system can also comprise:
Gate valve, described gate valve is arranged between the two ends of described signal piping, the gas pressure release in preventing to hole when being used to change described pressure sensor.
Further, this system can also comprise:
Display screen, described display screen are connected with described data server with described outstation respectively, are used to show the pressure history that pressure value that described outstation obtains and described data server obtain.
The coal-bed gas pressure detection system of the embodiment of the invention, can detect the number pressure of coal-bed gas in real time, and can know the pressure changing of coal-bed gas in real time, by online detection to coal-bed gas pressure, saved labor cost, improve production efficiency, improved the reliability of data.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The coal-bed gas pressure detection system structural representation that Fig. 1 provides for one embodiment of the invention;
The coal-bed gas pressure detection system structural representation that Fig. 2 provides for another embodiment of the present invention.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one
The coal-bed gas pressure detection system structural representation that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, this system comprises: signal piping 1, pressure sensor 2, outstation 3 and data server 4;
Wherein, an end of signal piping 1 stretches in the coal bed drilling, and the other end connects pressure sensor 2; The signal output part of pressure sensor 2 is connected with the input of outstation 3, is used for being converted to frequency signal from signal piping 1 detected coal-bed gas pressure, and sends frequency signal to outstation 3; The output of outstation 3 is connected with the input of data server 4, and the frequency signal that is used for receiving converts pressure value to, and sends pressure value to data server 4; 4 pairs of pressure values that receive of data server are stored, and draw pressure history.
Concrete, signal piping 1 is that an end is installed in the coating steel pipe in the coal bed drilling under the mine, and the other end of signal piping 1 is connected with pressure sensor 2, and the probe of pressure sensor 2 stretches in the pipe of coating steel pipe.Wherein, can select to be fit to the pressure sensor 2 of range according to the size of coal-bed gas pressure, to improve the precision of measuring.Pressure sensor 2 detects the pressure in the coating steel pipe in real time, and be sent to outstation 3 after pressure is converted to frequency signal, outstation 3 can be based on monitor supervision platform under the existing mine, outstation 3 receives the frequency signal that pressure sensor 2 transmits in real time, and with the concrete numerical value of these frequency signal switching to pressure correspondences, and these pressure values are sent to ground data server 4.4 pairs of pressure values that receive from outstation 3 of data server are stored, and can draw in a period of time, the time dependent curve of pressure.Thisly generate the mode of pressure history automatically, will reduce human input, got rid of human factor and the measure error that causes according to the measurement situation.Wherein, the selection of time period can be provided with arbitrarily in data server 4.By analyzing the real-time change curve of coal-bed gas pressure, can judge coal-bed gas pressure and coal-bed gas pressure variation relation along with the extraction time, and then can get the remaining gas pressure of coal output layer, and can draw the extraction radius according to the situation of change of gas pressure curve.
The coal-bed gas pressure detection system of the embodiment of the invention, can detect the number pressure of coal-bed gas in real time, automatically generate the coal-bed gas pressure change curve, and then can know the pressure changing of coal-bed gas in real time, by online detection to coal-bed gas pressure, save labor cost, improved production efficiency, improved the reliability of data.
Embodiment two
The coal-bed gas pressure detection system structural representation that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2, this system comprises: signal piping 1, pressure sensor 2, outstation 3 and data server 4;
One end of signal piping 1 stretches in the coal bed drilling, and the other end connects pressure sensor 2; The signal output part of pressure sensor 2 is connected with the input of outstation 3, is used for being converted to frequency signal from signal piping 1 detected coal-bed gas pressure, and sends frequency signal to outstation 3; The output of outstation 3 is connected with the input of data server 4, and the frequency signal that is used for receiving converts pressure value to, and sends pressure value to data server 4; 4 pairs of pressure values that receive of data server are stored, and draw pressure history.
Further, data server 4 comprises:
Receiving element is used to receive the pressure value that outstation 3 transmits;
Memory cell is used for the pressure value that receiving element receives is stored;
The drawing unit is used for drawing out pressure history according to the pressure value of described memory cell storage in the setting-up time section.
This data server 4 can also comprise:
Print unit is used to print the pressure history of drafting.
Further, this system can also comprise:
Further, this system can also comprise:
Further, this system can also comprise:
Concrete, signal piping 1 is that an end is installed in the coating steel pipe in the coal bed drilling under the mine, and the other end of signal piping 1 is connected with pressure sensor 2, and the probe of pressure sensor 2 stretches in the pipe of coating steel pipe.Present embodiment also is provided with a pressure meter 5 on the coating steel pipe between boring and the pressure sensor 2, this pressure meter 5 can select finger type pressure meter, the reading that reads pressure meter 5 that can be in good time, and compare with the reading of pressure sensor 2, and then calibrating (base measuring) pressure sensor 2.In addition, during owing to calibrating (base measuring) pressure sensor 2 or replacing pressure sensor 2, may cause the gas pressure release in the boring, thereby the pressure history that causes data server 4 to obtain there is error.Therefore, can also on the coating steel pipe between boring and the pressure sensor 2, a gate valve 6 be set, to prevent the interior gas pressure release of holing.
By analyzing the real-time change curve of coal-bed gas pressure, can judge coal-bed gas pressure and coal-bed gas pressure variation relation along with the extraction time, and then can get the remaining gas pressure of coal output layer, and can draw the extraction radius according to the situation of change of gas pressure curve.
The coal-bed gas pressure detection system of the embodiment of the invention, can detect the number pressure of coal-bed gas in real time, and can know the pressure changing of coal-bed gas in real time, by online detection to coal-bed gas pressure, saved labor cost, improve production efficiency, improved the reliability of data.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a coal-bed gas pressure detection system is characterized in that, comprising: signal piping, pressure sensor, outstation and data server;
One end of described signal piping stretches in the coal bed drilling, and the other end connects described pressure sensor; The signal output part of described pressure sensor is connected with the input of described outstation, is used for being converted to frequency signal from the detected coal-bed gas pressure of described signal piping, and sends described frequency signal to described outstation; The output of described outstation is connected with the input of described data server, and the described frequency signal that is used for receiving converts pressure value to, and sends described pressure value to described data server; Described data server is stored the pressure value that receives, and draws pressure history.
2. coal-bed gas pressure detection system according to claim 1 is characterized in that, described data server comprises:
Receiving element is used to receive the pressure value that described outstation transmits;
Memory cell is used for the described pressure value that described receiving element receives is stored;
The drawing unit is used for drawing out pressure history according to the pressure value of described memory cell storage in the setting-up time section.
3. 2 described coal-bed gas pressure detection systems as requested is characterized in that described data server also comprises:
Print unit is used to print the pressure history of drafting.
4. according to each described coal-bed gas pressure detection system of claim 1～3, it is characterized in that, also comprise:
Pressure meter, described pressure meter is connected between the two ends of described signal piping, is used for according to from the detected coal-bed gas pressure of described signal piping described pressure sensor being proofreaied and correct.
5. coal-bed gas pressure detection system according to claim 4 is characterized in that, also comprises:
Gate valve, described gate valve is arranged between the two ends of described signal piping, the gas pressure release in preventing to hole when being used to change described pressure sensor.
6. coal-bed gas pressure detection system according to claim 5 is characterized in that, also comprises:
Display screen, described display screen are connected with described data server with described outstation respectively, are used to show the pressure history that pressure value that described outstation obtains and described data server obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010180130XA CN102242629A (en) | 2010-05-14 | 2010-05-14 | Coal bed gas pressure detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010180130XA CN102242629A (en) | 2010-05-14 | 2010-05-14 | Coal bed gas pressure detection system |
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| CN102242629A true CN102242629A (en) | 2011-11-16 |
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| CN201010180130XA Pending CN102242629A (en) | 2010-05-14 | 2010-05-14 | Coal bed gas pressure detection system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102797489A (en) * | 2012-08-08 | 2012-11-28 | 北京天地玛珂电液控制系统有限公司 | Propping plate pressure graphical displaying and analyzing method based on thrusting degree of coal face |
| CN104018883A (en) * | 2014-06-05 | 2014-09-03 | 煤炭科学技术研究院有限公司 | On-line/off-line coal bed gas pressure monitoring and analyzing system |
| CN105114057A (en) * | 2015-07-31 | 2015-12-02 | 中国矿业大学 | System and method for intelligently detecting sealing quality of gas drainage borehole |
| CN106225973A (en) * | 2016-09-12 | 2016-12-14 | 山东科技大学 | Protected seam stress monitoring method based on protective coat extracted and device |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN110017168A (en) * | 2019-03-25 | 2019-07-16 | 淮北矿业股份有限公司 | A kind of lower exploiting field gas pressure on-Line Monitor Device and on-line monitoring method |
| CN110017168B (en) * | 2019-03-25 | 2024-07-02 | 淮北矿业股份有限公司 | Online monitoring device and online monitoring method for gas pressure in lower mining area |
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| CN102797489A (en) * | 2012-08-08 | 2012-11-28 | 北京天地玛珂电液控制系统有限公司 | Propping plate pressure graphical displaying and analyzing method based on thrusting degree of coal face |
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| CN104018883A (en) * | 2014-06-05 | 2014-09-03 | 煤炭科学技术研究院有限公司 | On-line/off-line coal bed gas pressure monitoring and analyzing system |
| CN104018883B (en) * | 2014-06-05 | 2016-03-09 | 煤炭科学技术研究院有限公司 | A kind of on-line/off-line coal-bed gas pressure monitoring analysis system |
| CN105114057A (en) * | 2015-07-31 | 2015-12-02 | 中国矿业大学 | System and method for intelligently detecting sealing quality of gas drainage borehole |
| CN106225973A (en) * | 2016-09-12 | 2016-12-14 | 山东科技大学 | Protected seam stress monitoring method based on protective coat extracted and device |
| CN106225973B (en) * | 2016-09-12 | 2017-06-23 | 山东科技大学 | Protected seam stress monitoring method and device based on protective coat extracted |
| CN109268073A (en) * | 2018-11-16 | 2019-01-25 | 宁波创盛仪表有限公司 | A kind of gas in mine metering safety monitoring system |
| CN109268073B (en) * | 2018-11-16 | 2021-04-06 | 宁波创盛仪表有限公司 | Mining gas measurement safety monitoring system |
| CN110017168A (en) * | 2019-03-25 | 2019-07-16 | 淮北矿业股份有限公司 | A kind of lower exploiting field gas pressure on-Line Monitor Device and on-line monitoring method |
| CN110017168B (en) * | 2019-03-25 | 2024-07-02 | 淮北矿业股份有限公司 | Online monitoring device and online monitoring method for gas pressure in lower mining area |
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Application publication date: 20111116 |