CN114278382A - Gas monitoring sensor and cheating identification method for suspension position of gas monitoring sensor - Google Patents
Gas monitoring sensor and cheating identification method for suspension position of gas monitoring sensor Download PDFInfo
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- CN114278382A CN114278382A CN202111542488.7A CN202111542488A CN114278382A CN 114278382 A CN114278382 A CN 114278382A CN 202111542488 A CN202111542488 A CN 202111542488A CN 114278382 A CN114278382 A CN 114278382A
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Abstract
The invention relates to a gas monitoring sensor and an intelligent cheating identification method for a suspension position of the gas monitoring sensor, which belong to the field of gas monitoring and comprise the following steps: s1: calibrating reasonable monitoring position of sensor, including gas CH of calibration position4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3(ii) a S2: acquiring gas monitoring, wind speed monitoring and distance monitoring data detected by a sensor, including gas CH4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3(ii) a S3: analyzing whether the monitoring environment of the sensor changes or not according to the monitoring data of the gas concentration and the wind speed; s4: according to the front distance L1Upper distance L2Side distance L3The analytical sensor monitors whether the position has changed significantly. The invention can improve the accuracy of gas monitoringSex and effectiveness.
Description
Technical Field
The invention belongs to the field of gas monitoring, and relates to a gas monitoring sensor and a cheating identification method for a suspension position of the gas monitoring sensor.
Background
The gas monitoring data is one of the most important safety data of the coal mine, and the accurate gas monitoring data is a main method for preventing and controlling accidents such as gas explosion, gas aggregation and the like. The premise of accurate monitoring of the gas is the stability of the sensor and the reasonability of the suspension position of the sensor. With the development of sensor technologies such as gas catalysis, infrared and laser, the stability of a gas sensor is greatly improved, but the gas data monitoring sensors only have a data monitoring and recording function and cannot monitor the rationality of the suspension position of the sensor, so that the phenomenon that the sensor is hidden due to the fact that the suspension position of the sensor is not standard is caused, the monitoring data of the gas sensor is distorted, and accidents such as gas explosion and gas gathering cannot be effectively prevented and controlled. Through improving gas sensor, increase gas sensor's position monitoring information such as wind speed, distance, can realize the location management to gas sensor effective monitoring position, prevent that artificial reason from carrying out arbitrary change to gas sensor hanging position, ventilation condition, realize gas sensor effective monitoring working face gas state. The method has an important guiding function for preventing and controlling the gas disaster on the excavation working face.
Disclosure of Invention
In view of the above, the present invention provides a gas monitoring sensor and a method for identifying a cheating position of a suspension of the gas monitoring sensor.
In order to achieve the purpose, the invention provides the following technical scheme:
on one hand, the invention provides a gas monitoring sensor which comprises a control module, a communication module, an alarm module, a gas detection module, a wind speed monitoring module, a first distance monitoring module, a second distance monitoring module and a third distance monitoring module;
the control module is used for acquiring methane, wind speed and position information, and calibrating gas concentration, wind speed and installation position information, analyzing environmental change and installation position change; the communication module is used for providing a communication function for the control module; the gas monitoring module is used for realizing real-time monitoring of gas concentration in the environment, and the wind speed monitoring module is used for realizing wind speed in the environmentReal-time monitoring; the first distance monitoring module is used for measuring the distance L from the sensor installation position to the front1(ii) a The second distance monitoring module is used for measuring the distance L from the installation position of the sensor to the top plate of the working face2(ii) a The third distance monitoring module is used for measuring the distance L from the installation position of the sensor to the side3(ii) a And the alarm module is responsible for giving out sound and light alarm according to the alarm requirement.
On the other hand, the invention provides an intelligent cheating identification method for a suspension position of a gas monitoring sensor, which comprises the following steps of:
s1: calibrating reasonable monitoring position of sensor, including gas CH of calibration position4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3；
S2: acquiring gas monitoring, wind speed monitoring and distance monitoring data detected by a sensor, including gas CH4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3；
S3: analyzing whether the monitoring environment of the sensor changes or not according to the monitoring data of the gas concentration and the wind speed;
s4: according to the front distance L1Upper distance L2Side distance L3The analytical sensor monitors whether the position has changed significantly.
Further, in step S1, the reasonable monitoring position of the sensor, including the gas CH at the calibration position, is calibrated4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3(ii) a During calibration, no coal dropping, tunneling and drilling construction operation is carried out on the working face, and CH within a period of time after the calibration time is started4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3Is the calibration value of the sensor.
Further, in step S3, in 5min, when the wind speed of the sensor changes significantly compared to the wind speed calibration value of the sensor and the monitored gas concentration is significantly reduced compared to the gas concentration calibration value of the sensor, it is determined that the monitoring environment of the sensor changes; the wind speed is remarkably changed into 20% of the wind speed mean value in 1 hour, and when the change amplitude exceeds 20%, the change is remarkable; the gas monitoring concentration is obviously reduced to 50% of the average gas concentration value in 1 hour, and when the variation amplitude exceeds 50%, the gas monitoring concentration is obviously reduced, and is a first-level alarm, and a red light alarm is sent out.
Further, in step S4, the front distance L is set to be within 5min1Upper distance L2Side distance L3When the position of the sensor is changed remarkably, judging that the monitoring position of the sensor is changed remarkably; front distance L1Phase contrast sensor L1The calibration value changes by more than 5m and the upper distance L2Phase contrast sensor L2The change of the calibration value exceeds 1m, and the lateral distance L3Phase contrast sensor L3If the change of the calibration value exceeds 1m, the monitoring position of the sensor is considered to be changed remarkably, secondary alarm is realized, and sound alarm is realized.
Further, when the conditions are changed in steps S3-S4, a three-level alarm is performed, and sound and light alarm information is given.
The invention has the beneficial effects that: the novel gas sensor has the functions of gas concentration monitoring, wind speed monitoring, distance measurement and the like, and comprehensively analyzes whether the gas sensor has abnormal movement and shielding or not by utilizing data of gas concentration, wind speed change, distance change and the like and combining underground actual production and management, so that the accuracy and the effectiveness of gas monitoring are improved, and accidents such as gas explosion, gas aggregation and the like are prevented. The method has an important guiding function on the prevention and control of the gas disaster on the excavation working face.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a gas monitoring sensor;
fig. 2 is a schematic diagram of the test data of the suspension position of the gas monitoring sensor.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1The invention provides a gas monitoring sensor which comprises a control module, a communication module, an alarm module, a gas detection module, a wind speed monitoring module, a first distance monitoring module, a second distance monitoring module and a third distance monitoring module, wherein the communication module is used for receiving a first signal; the control module is used for acquiring methane, wind speed and position information, and calibrating gas concentration, wind speed and installation position information, analyzing environmental change and installation position change; the communication module is used for providing a communication function for the control module; the gas monitoring module is used for realizing real-time monitoring of gas concentration in the environment, and the wind speed monitoring module is used for realizing real-time monitoring of wind speed in the environment; the first distance monitoring module is used for measuring the distance L from the sensor installation position to the front1(ii) a The second distance monitoring module is used for measuring the distance L from the installation position of the sensor to the top plate of the working face2(ii) a The third distance monitoring module is used for measuring the distance L from the installation position of the sensor to the side3(ii) a And the alarm module is responsible for giving out sound and light alarm according to the alarm requirement.
As shown in fig. 2, the invention provides an intelligent recognition method for cheating on the suspension position of a gas monitoring sensor, which comprises the following steps: (1) calibrating reasonable monitoring position of sensor, including gas CH of calibration position4Concentration X (%), wind speed V (m/s), front distance L1(m) upper distance L2(m) lateral distance L3(m) (2) acquiring sensor gas monitoring, wind speed monitoring and distance monitoring data. Gas CH4Concentration X (%), wind speed V (m/s), front distance L1(m) upper distance L2(m) lateral distance L3(m) of the reaction mixture. (3) And analyzing whether the monitoring environment of the sensor changes or not according to the monitoring data of the gas concentration and the wind speed. (4) According to the front distance L1(m) upper distance L2(m) lateral distance L3(m) the analytical sensor monitors whether the position has changed significantly.
1) Calibrating reasonable monitoring position of sensor, including gas CH of calibration position4Concentration X (%), wind speed V (m/s), front distance L1(m) upper distance L2(m) lateral distance L3(m) of the reaction mixture. Working face does not fall during calibrationCoal, tunneling, drilling construction, etc., 1 hour after the standard time4Concentration X (%), wind speed V (m/s), front distance L1(m) upper distance L2(m) lateral distance L3(m) is the calibration of the sensor.
2) And acquiring gas concentration, wind speed and distance data detected by the sensor. Gas CH4Concentration X (%), wind speed V (m/s), front distance L1(m) upper distance L2(m) lateral distance L3(m)。
3) And analyzing whether the current environment monitored by the sensor changes or not according to the monitoring data of the gas concentration and the wind speed.
And in 5min, when the wind speed of the sensor is obviously changed compared with the wind speed calibration value of the sensor and the gas monitoring concentration is obviously reduced compared with the gas concentration calibration value of the sensor, judging that the monitoring environment of the sensor is changed. The significant change of the wind speed is generally 20% of the mean value of the wind speed in 1 hour, and the significant change is obtained when the change amplitude exceeds 20%. The gas monitoring concentration is obviously reduced to 50% of the average gas concentration value in 1 hour, when the variation amplitude exceeds 50%, the gas monitoring concentration is obviously reduced, and the gas monitoring concentration is a first-level alarm and sends out a red light alarm.
4) And analyzing whether the current environment monitored by the sensor changes or not according to the monitoring data of the gas concentration and the wind speed.
Within a period of 5min, the front distance L1(m) upper distance L2(m) lateral distance L3(m) when the position monitored by the sensor changes significantly, determining that the monitoring position of the sensor changes significantly. Front distance L1Phase contrast sensor L1The calibration value changes by more than 5m and the upper distance L2Phase contrast sensor L2The change of the calibration value exceeds 1m, and the lateral distance L3Phase contrast sensor L3If the change of the calibration value exceeds 1m, the monitoring position of the sensor is considered to be changed remarkably, secondary alarm is realized, and sound alarm is realized.
5) And when the requirements of the 3 rd step and the 4 th step are met, sound and light alarm information is given for three-level alarm.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (6)
1. A gas monitoring sensor, its characterized in that: the wind speed monitoring system comprises a control module, a communication module, an alarm module, a gas detection module, a wind speed monitoring module, a first distance monitoring module, a second distance monitoring module and a third distance monitoring module;
the control module is used for acquiring methane, wind speed and position information, and calibrating gas concentration, wind speed and installation position information, analyzing environmental change and installation position change; the communication module is used for providing a communication function for the control module; the gas monitoring module is used for realizing real-time monitoring of gas concentration in the environment, and the wind speed monitoring module is used for realizing real-time monitoring of wind speed in the environment; the first distance monitoring module is used for measuring the distance L from the sensor installation position to the front1(ii) a The second distance monitoring module is used for measuring the distance L from the installation position of the sensor to the top plate of the working face2(ii) a The third distance monitoring module is used for measuring the distance L from the installation position of the sensor to the side3(ii) a And the alarm module is responsible for giving out sound and light alarm according to the alarm requirement.
2. The utility model provides a gas monitoring sensor hangs intelligent recognition method of position cheating which characterized in that: the method comprises the following steps:
s1: calibrating reasonable monitoring position of sensor, including gas CH of calibration position4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3；
S2: acquiring gas monitoring, wind speed monitoring and distance monitoring data detected by a sensor, including gas CH4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3；
S3: analyzing whether the monitoring environment of the sensor changes or not according to the monitoring data of the gas concentration and the wind speed;
s4: according to the front distance L1Upper distance L2Side distance L3The analytical sensor monitors whether the position has changed significantly.
3. The intelligent cheating identification method for the suspension position of the gas monitoring sensor according to claim 1, wherein the method comprises the following steps: in step S1, the reasonable monitoring position of the sensor, including the gas CH at the calibration position, is calibrated4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3(ii) a During calibration, no coal dropping, tunneling and drilling construction operation is carried out on the working face, and CH within a period of time after the calibration time is started4Concentration X, wind speed V, front distance L1Upper distance L2Side distance L3Is the calibration value of the sensor.
4. The intelligent cheating identification method for the suspension position of the gas monitoring sensor according to claim 1, wherein the method comprises the following steps: in step S3, within 5min, when the wind speed of the sensor is obviously changed compared with the wind speed calibration value of the sensor and the gas monitoring concentration is obviously reduced compared with the gas concentration calibration value of the sensor, the condition that the monitoring environment of the sensor is changed is judged; the wind speed is remarkably changed into 20% of the wind speed mean value in 1 hour, and when the change amplitude exceeds 20%, the change is remarkable; the gas monitoring concentration is obviously reduced to 50% of the average gas concentration value in 1 hour, and when the variation amplitude exceeds 50%, the gas monitoring concentration is obviously reduced, and is a first-level alarm, and a red light alarm is sent out.
5. The intelligent cheating identification method for the suspension position of the gas monitoring sensor according to claim 1, wherein the method comprises the following steps: in step S4, the front distance L is set to be within 5min1Upper distance L2Side distance L3When the position of the sensor is changed remarkably, judging that the monitoring position of the sensor is changed remarkably; front distance L1Phase contrast sensor L1Variation of calibration valueOver 5m and above by a distance L2Phase contrast sensor L2The change of the calibration value exceeds 1m, and the lateral distance L3Phase contrast sensor L3If the change of the calibration value exceeds 1m, the monitoring position of the sensor is considered to be changed remarkably, secondary alarm is realized, and sound alarm is realized.
6. The intelligent cheating identification method for the suspension position of the gas monitoring sensor according to claim 1, wherein the method comprises the following steps: and (5) when the conditions are changed in the steps S3-S4, giving out sound and light alarm information for three-level alarm.
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| CN202994777U (en) * | 2012-10-19 | 2013-06-12 | 高瑞元 | Gas sensor protective device |
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| CN106640200A (en) * | 2017-03-09 | 2017-05-10 | 中国矿业大学(北京) | Coal mine downhole sensor positioning and warning system |
| JP2017096703A (en) * | 2015-11-20 | 2017-06-01 | 大成建設株式会社 | Gas measuring device and gas concentration visualization system, and monitoring method for excavation site |
| CN110259517A (en) * | 2019-07-02 | 2019-09-20 | 辽宁瑞华实业集团高新科技有限公司 | A kind of detection device and detection method |
| CN110593954A (en) * | 2019-08-28 | 2019-12-20 | 精英数智科技股份有限公司 | Method and device for identifying position abnormality of gas sensor on coal mine coal face |
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2021
- 2021-12-14 CN CN202111542488.7A patent/CN114278382A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202994777U (en) * | 2012-10-19 | 2013-06-12 | 高瑞元 | Gas sensor protective device |
| WO2015038165A1 (en) * | 2013-09-16 | 2015-03-19 | Draeger Safety, Inc. | Drive system for a gas analyzing instrument |
| JP2017096703A (en) * | 2015-11-20 | 2017-06-01 | 大成建設株式会社 | Gas measuring device and gas concentration visualization system, and monitoring method for excavation site |
| CN106640200A (en) * | 2017-03-09 | 2017-05-10 | 中国矿业大学(北京) | Coal mine downhole sensor positioning and warning system |
| CN110259517A (en) * | 2019-07-02 | 2019-09-20 | 辽宁瑞华实业集团高新科技有限公司 | A kind of detection device and detection method |
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