CN113155048A - Mine roadway deformation monitoring device and method - Google Patents
Mine roadway deformation monitoring device and method Download PDFInfo
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- CN113155048A CN113155048A CN202110277735.9A CN202110277735A CN113155048A CN 113155048 A CN113155048 A CN 113155048A CN 202110277735 A CN202110277735 A CN 202110277735A CN 113155048 A CN113155048 A CN 113155048A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims abstract description 40
- 238000005065 mining Methods 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012937 correction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
The invention provides a mine roadway deformation monitoring device and a mine roadway deformation monitoring method. The invention realizes real-time testing and correction calculation of the deformation of the mine tunnel, ensures the certainty of the pointing position of the laser sensor, improves the accuracy of the monitoring result, and has simple structure and convenient installation.
Description
Technical Field
The invention relates to the technical field of mines, in particular to a mine roadway deformation monitoring device and method.
Background
With the continuous development of mine technology, the problem of mine safety is increasingly emphasized. In the process of monitoring the mine roadway, the monitoring contents comprise important information such as the relative moving approach of the top and bottom plates, the relative moving amount of the two sides, the displacement of the roadway sides and the like. Currently, the method for measuring the distance between the top floor and the bottom floor and the distance between the two sides of the mine is the cross method, namely the distance between the top floor and the bottom floor is measured in the direction of the two sides of the mine respectively, and the change value of the distance is compared and recorded to be used as a roadway deformation monitoring means.
The most common measurement mode at present is manual measurement and recording; and secondly, two laser range finders are adopted to measure the displacements of the top bottom plate and the two sides respectively. But currently still have the following drawbacks:
1. when manual measurement records, personnel reading errors exist, the operation is inconvenient, and real-time monitoring cannot be realized.
2. When the position of the laser range finder is changed, the pointing position of the laser range finder has uncertainty, and the read value is not an actual value, so that the monitoring data is distorted.
Disclosure of Invention
The invention provides a mine roadway deformation monitoring device and method, which are used for overcoming the defect of poor reliability of a mine roadway deformation measurement result in the prior art, realizing real-time monitoring of mine roadway deformation, ensuring the accuracy of the measurement result and improving the reliability.
The invention provides a mine roadway deformation monitoring device, which comprises:
the laser sensor is used for monitoring the distance between two opposite sides of the mine roadway in real time;
the angle sensor is connected with the laser sensor and used for monitoring the spatial position of the laser sensor in real time;
and the input end of the controller is respectively connected with the laser sensor and the angle sensor.
The mine roadway deformation monitoring device further comprises an installation cylinder, wherein the laser sensor, the angle sensor and the controller are all installed on a circuit main board, and the circuit main board is arranged in the installation cylinder.
According to the mine roadway deformation monitoring device provided by the invention, the first end of the mounting cylinder is provided with the first cover plate, the first cover plate is provided with the laser penetrating window, and the detection end of the laser sensor is arranged towards the laser penetrating window.
According to the mine roadway deformation monitoring device provided by the invention, the inner side of the first cover plate is provided with a mounting groove, and the mounting groove is matched with the circuit main board in mounting mode.
The mine roadway deformation monitoring device further comprises a communication module, wherein the communication module is installed on the circuit main board and is connected with the output end of the controller.
According to the mine roadway deformation monitoring device provided by the invention, the side wall of the mounting cylinder is provided with the antenna mounting seat, the antenna mounting seat is provided with the communication antenna, and the communication antenna is connected with the communication module through the through hole arranged on the side wall of the mounting cylinder.
According to the mine roadway deformation monitoring device provided by the invention, the second end of the mounting cylinder is provided with the second cover plate, and a sealing gasket is arranged between the second cover plate and the mounting cylinder.
According to the mine roadway deformation monitoring device provided by the invention, the outer side wall of the mounting cylinder is provided with the mounting bracket, the mounting cylinder is mounted on the mounting side of the mine roadway through the mounting bracket, and the first end of the mounting cylinder faces the monitoring side opposite to the mounting side of the mine roadway.
According to the mine roadway deformation monitoring device provided by the invention, the angle sensor is a three-axis angle sensor and is used for monitoring the yaw angle and the pitch angle of the laser sensor in real time.
The invention also provides a monitoring method based on the mining roadway deformation monitoring device, which comprises the following steps:
monitoring the distance between two opposite sides of the mining roadway in real time through the laser sensor;
monitoring the spatial position of the laser sensor in real time through the angle sensor;
and acquiring and receiving distance information monitored by the laser sensor in real time and spatial position information acquired by the angle sensor in real time through the controller, and calculating the deformation of the two opposite sides of the mining roadway.
According to the mine roadway deformation monitoring device and method, the laser sensor, the angle sensor and the controller are arranged, the laser sensor is used for monitoring the distance between two opposite sides of the mine roadway in real time, the angle sensor is connected with the laser sensor and used for monitoring the spatial position of the laser sensor in real time, and the input end of the controller is connected with the laser sensor and the angle sensor respectively, so that real-time testing and correction calculation of the mine roadway deformation are achieved, the certainty of the pointing position of the laser sensor is guaranteed, the accuracy of the monitoring result is improved, the structure is simple, and the installation is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a mine roadway deformation monitoring device provided by the invention;
FIG. 2 is a schematic diagram of a transmission process of an electric signal of the mining roadway deformation monitoring device provided by the invention;
reference numerals:
100: a circuit main board; 110: a laser sensor; 120: an angle sensor;
130: a controller; 140: a communication module; 150: a battery;
160: a power supply circuit; 200: a monitoring station; 300: mounting the cylinder;
310: a first cover plate; 320: a communication antenna; 330: an antenna mounting base;
340: a second cover plate; 350: a sealing gasket; 360: mounting a bracket;
370: and a lead terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes a mine roadway deformation monitoring device according to the present invention with reference to fig. 1 to 2, including:
the laser sensor 110 is used for monitoring the distance between two opposite sides of the mining roadway in real time;
the angle sensor 120, the angle sensor 120 is connected with the laser sensor 110, and is used for monitoring the spatial position of the laser sensor 110 in real time;
the input ends of the controller 130 and the controller 130 are respectively connected with the laser sensor 110 and the angle sensor 120. It is to be understood that the laser sensor 110 is mounted on the top side of the mine tunnel for monitoring the distance between the top side and the bottom side of the mine tunnel in real time; alternatively, the laser sensor 110 is installed on one side of the mine tunnel to monitor the distance between the two sides of the mine tunnel in real time. The angle sensor 120 is connected to the laser sensor 110, and is configured to monitor a spatial position of the laser sensor 110 in real time, including a yaw angle and a pitch angle of the laser sensor 110, that is, after the position of the laser sensor 110 is changed, the laser pointing position is corrected through the monitored yaw angle and pitch angle, so as to improve accuracy and reliability of the monitoring data. The input end of the controller 130 is connected with the laser sensor 110 and the angle sensor 120 respectively, and receives the distance information monitored by the laser sensor 110 and the yaw angle and the pitch angle of the laser sensor 110 monitored by the angle sensor 120 in real time, so that the actual deformation of the mining roadway is calculated and obtained, and the real-time performance and the accuracy of the monitoring result are improved.
The mine roadway deformation monitoring device further comprises an installation cylinder 300, the laser sensor 110, the angle sensor 120 and the controller 130 are all installed on the circuit main board 100, and the circuit main board 100 is arranged in the installation cylinder 300. It can be understood that the laser sensor 110, the angle sensor 120 and the controller 130 are all mounted on the circuit board 100, so as to implement transmission of electrical signals between the laser sensor 110 and the controller 130, between the angle sensor 120 and the controller 130, and meanwhile, facilitate relative fixation of the laser sensor 110 and the angle sensor 120, and improve monitoring accuracy. The circuit main board 100 is arranged in the installation cylinder 300, the circuit main board 100, the laser sensor 110, the angle sensor 120 and the controller 130 are protected, the device is prevented from being damaged by falling objects in a mine roadway, and safety is improved.
According to the mine roadway deformation monitoring device provided by the invention, the first end of the mounting cylinder 300 is provided with the first cover plate 310, the first cover plate 310 is provided with the laser passing window, and the detection end of the laser sensor 110 is arranged towards the laser passing window. It is understood that the first end of the mounting barrel 300 is provided with a detachable first cover plate 310 to facilitate assembly and maintenance of the circuit board 100. The first cover plate 310 is provided with a laser passing window, and the detection end of the laser sensor 110 is arranged towards the laser passing window, so that the laser emitted by the laser sensor 110 irradiates the corresponding side wall of the mining roadway. In one embodiment, the laser light passing window is provided with transparent glass to ensure that the laser light can normally pass through, and prevent foreign materials from entering the installation cylinder 300.
According to the mine roadway deformation monitoring device provided by the invention, the inner side of the first cover plate 310 is provided with the installation groove, and the installation groove is matched with the circuit main board 100 in an installation manner. It can be understood that the inner side of the first cover plate 310 is provided with a mounting groove, so as to realize mounting and fixing of the circuit board 100, prevent the circuit board 100 from sliding, and ensure relative fixation of the pointing position of the laser generated by the laser sensor 110.
The mine roadway deformation monitoring device further comprises a communication module 140, wherein the communication module 140 is installed on the circuit main board 100 and is connected with the output end of the controller 130. It can be understood that the communication module 140 is installed on the circuit board 100, and an input end of the communication module 140 is connected to an output end of the controller 130, so as to transmit the monitoring result. The communication module 140 is wirelessly connected with the monitoring station 200, so that a worker can observe the monitoring result of the mine roadway deformation in real time through the monitoring station 200. In this embodiment, the communication module 140 is a wireless communication module 140, which ensures transmission efficiency and stability.
According to the mine roadway deformation monitoring device provided by the invention, the side wall of the mounting cylinder 300 is provided with the antenna mounting seat 330, the antenna mounting seat 330 is provided with the communication antenna 320, and the communication antenna 320 is connected with the communication module 140 through the through hole arranged on the side wall of the mounting cylinder 300. It is understood that the antenna mounting seat 330 is disposed on the outer side of the mounting cylinder 300, and the antenna mounting seat 330 is fixed to the side wall of the mounting cylinder 300. The communication antenna 320 is fixedly installed on the antenna installation base 330, and the side wall of the installation cylinder 300 is provided with a through hole, so that the connection between the communication antenna 320 and the communication module 140 is realized, the transmission performance of the communication module 140 is enhanced, and the stability is improved.
According to the mine roadway deformation monitoring device provided by the invention, the second end of the mounting cylinder 300 is provided with the second cover plate 340, and a sealing gasket 350 is arranged between the second cover plate 340 and the mounting cylinder 300. It can be understood that the second end of the mounting tube 300 is provided with the second cover plate 340, the inner side of the second cover plate 340 is provided with the limiting block, the mounting groove of the inner side of the first cover plate 310 and the limiting block of the inner side of the second cover plate 340 act together to realize the positioning and mounting of the circuit main board 100 in the mounting tube 300, the fixing of the spatial position of the laser sensor 110 is ensured, and the stability of laser emission is improved. A sealing gasket 350 is arranged between the second cover plate 340 and the installation barrel 300, so that the dustproof and waterproof effects of the installation barrel 300 are guaranteed.
In one embodiment, the second cover plate 340 is detachably mounted at the second end of the mounting barrel 300, the circuit board 100 is connected to the battery 150 through the power circuit 160, the battery 150 is used for supplying power, the mounting difficulty and the environmental limitation are reduced to a limited extent, and meanwhile, the battery 150 is replaced by detaching the second cover plate 340.
According to the mine roadway deformation monitoring device provided by the invention, the outer side wall of the mounting cylinder 300 is provided with the mounting bracket 360, the mounting cylinder 300 is mounted on the mounting side of the mine roadway through the mounting bracket 360, and the first end of the mounting cylinder 300 faces the monitoring side opposite to the mounting side of the mine roadway. It can be understood that, the lateral wall of the installation cylinder 300 is provided with the installation support 360, so that the installation cylinder 300 is fixedly installed on the lateral wall of the mine roadway, and the installation strength is ensured. It should be noted that the installation cylinder 300 is fixedly installed at the installation side of the mine roadway, so as to ensure that the laser emitted from the first end of the installation cylinder 300, i.e. the detection end of the laser sensor 110, is irradiated on the monitoring side of the mine roadway, thereby realizing monitoring of deformation of the mine roadway.
According to the mine roadway deformation monitoring device provided by the invention, the angle sensor 120 is a triaxial angle sensor 120 and is used for monitoring the yaw angle and the pitch angle of the laser sensor 110 in real time. It is understood that the angle sensor 120 is specifically a three-axis angle sensor 120, and monitors the yaw angle and the pitch angle of the laser sensor 110 in real time, so as to correct the distance between the top plate and the bottom plate or between the two side walls of the mining roadway monitored by the laser sensor 110.
In one embodiment, the side wall of the mounting barrel 300 is provided with a lead terminal 370 connected with the circuit main board 100, so that the circuit main board 100 is connected with the alarm device.
The mining roadway deformation monitoring method provided by the invention is described below, and the mining roadway deformation monitoring method described below and the mining roadway deformation monitoring device described above can be referred to correspondingly.
The invention also provides a monitoring method based on the mining roadway deformation monitoring device, which comprises the following steps:
monitoring the distance between two opposite sides of the mine roadway in real time through the laser sensor 110;
monitoring the spatial position of the laser sensor 110 in real time by the angle sensor 120;
the controller 130 collects and receives distance information monitored by the laser sensor 110 in real time and spatial position information monitored and collected by the angle sensor 120 in real time, and calculates deformation quantities of two opposite sides of the mining roadway.
The invention provides a mining roadway deformation monitoring method, which specifically comprises the following steps:
installing the circuit main board 100 in the installation groove on the inner side of the first cover plate 310, placing the circuit main board 100 in the installation cylinder 300, covering the first end of the installation cylinder 300 with the first cover plate 310, connecting the battery 150 with the circuit main board 100 through the power circuit 160, assembling the battery from the second end of the installation cylinder 300, and installing the second cover plate 340 at the second end of the installation cylinder 300, wherein the limiting block on the inner side of the second cover plate 340 positions the circuit main board 100;
fixedly mounting the assembled mounting cylinder 300 on a top plate of a mine roadway through a mounting bracket 360 to enable the laser sensor 110 to be correspondingly monitored with a bottom plate, or fixedly mounting the assembled mounting cylinder 300 on one side of the mine roadway through the mounting bracket 360 to enable the laser sensor 110 to be correspondingly monitored with the other side, or arranging two mounting cylinders 300 to respectively monitor deformation of the top side, the bottom side or the two sides;
the initial value of the distance monitored by the laser sensor 110 is set to L0The initial value of the yaw angle of the laser sensor 110 monitored by the angle sensor 120 is set to α0And the initial value of pitch angle is set to beta0If the measured value is S0＝L0×sinα0×sinβ0；
The distance value monitored by the laser sensor 110 is set to LnYaw angle α monitored by angle sensor 120nAnd the initial value of pitch angle is betanIf the measured value is
Sn＝Ln×sinαn×sinβn；
Setting the alarm value as delta S, if S0-SnIf the time is more than or equal to delta S, the alarm device gives an alarm; or, setting the angle alarm value as theta, if alphan-α0Not less than theta or betan-β0If the value is more than or equal to theta, the alarm device gives an alarm;
the monitoring result calculated by the controller 130 is transmitted to the monitoring station 200 through the communication module 140, so that the workers can check the deformation of the mining roadway in real time.
According to the mine roadway deformation monitoring device and method, the laser sensor, the angle sensor and the controller are arranged, the laser sensor is used for monitoring the distance between two opposite sides of the mine roadway in real time, the angle sensor is connected with the laser sensor and used for monitoring the spatial position of the laser sensor in real time, the input end of the controller is connected with the laser sensor and the angle sensor respectively, real-time testing and correction calculation of the mine roadway deformation are achieved, the certainty of the pointing position of the laser sensor is guaranteed, the accuracy of the monitoring result is improved, the structure is simple, and installation is convenient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a mining tunnel deflection monitoring devices which characterized in that includes:
the laser sensor is used for monitoring the distance between two opposite sides of the mine roadway in real time;
the angle sensor is connected with the laser sensor and used for monitoring the spatial position of the laser sensor in real time;
and the input end of the controller is respectively connected with the laser sensor and the angle sensor.
2. The mining roadway deformation monitoring device of claim 1, further comprising an installation cylinder, wherein the laser sensor, the angle sensor and the controller are all installed on a circuit board, and the circuit board is arranged in the installation cylinder.
3. The mining roadway deformation monitoring device according to claim 2, wherein a first cover plate is arranged at a first end of the mounting cylinder, the first cover plate is provided with a laser through window, and a detection end of the laser sensor is arranged towards the laser through window.
4. The mining roadway deformation monitoring device according to claim 3, wherein an installation groove is formed in the inner side of the first cover plate, and the installation groove is matched with the circuit main board in an installation mode.
5. The mining roadway deformation monitoring device of claim 2, further comprising a communication module, wherein the communication module is mounted on the circuit main board and connected with an output end of the controller.
6. The mining roadway deformation monitoring device according to claim 5, wherein an antenna mounting seat is arranged on a side wall of the mounting cylinder, a communication antenna is arranged on the antenna mounting seat, and the communication antenna is connected with the communication module through a through hole formed in the side wall of the mounting cylinder.
7. The mining roadway deformation monitoring device of claim 2, wherein a second cover plate is arranged at the second end of the mounting cylinder, and a sealing gasket is arranged between the second cover plate and the mounting cylinder.
8. The mining roadway deformation monitoring device according to claim 2, wherein an installation support is arranged on an outer side wall of the installation cylinder, the installation cylinder is installed on an installation side of the mining roadway through the installation support, and a first end of the installation cylinder faces a monitoring side opposite to the installation side of the mining roadway.
9. The mining roadway deformation monitoring device according to any one of claims 1 to 8, wherein the angle sensor is a triaxial angle sensor for monitoring a yaw angle and a pitch angle of the laser sensor in real time.
10. The monitoring method of the mine roadway deformation monitoring device based on any one of claims 1 to 9 is characterized by comprising the following steps:
monitoring the distance between two opposite sides of the mining roadway in real time through the laser sensor;
monitoring the spatial position of the laser sensor in real time through the angle sensor;
and acquiring and receiving distance information monitored by the laser sensor in real time and spatial position information acquired by the angle sensor in real time through the controller, and calculating the deformation of the two opposite sides of the mining roadway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277735.9A CN113155048A (en) | 2021-03-15 | 2021-03-15 | Mine roadway deformation monitoring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277735.9A CN113155048A (en) | 2021-03-15 | 2021-03-15 | Mine roadway deformation monitoring device and method |
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| CN113155048A true CN113155048A (en) | 2021-07-23 |
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| CN202110277735.9A Pending CN113155048A (en) | 2021-03-15 | 2021-03-15 | Mine roadway deformation monitoring device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818927A (en) * | 2021-10-14 | 2021-12-21 | 山东省煤田地质规划勘察研究院 | Rock burst prevention and control device with energy guide function |
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| CN109373923A (en) * | 2018-11-30 | 2019-02-22 | 中国矿业大学(北京) | A kind of monitoring system and method for mining tunnel surrouding rock deformation |
| CN109470151A (en) * | 2018-11-28 | 2019-03-15 | 中国矿业大学 | A kind of continuous monitoring record lane surface displacement device and method |
| CN109900217A (en) * | 2019-03-21 | 2019-06-18 | 中国矿业大学 | A kind of coal mine roadway surrouding rock deformation monitoring device |
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2021
- 2021-03-15 CN CN202110277735.9A patent/CN113155048A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| CN203891934U (en) * | 2014-02-28 | 2014-10-22 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine roadway deformation early warning system |
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| US20180371907A1 (en) * | 2016-11-07 | 2018-12-27 | China University Of Mining And Technology | Full-roadway full-process full-cross-section surface deformation monitoring device and method |
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Application publication date: 20210723 |