CN210274092U - Mine underground information acquisition system based on visible light wireless communication - Google Patents
Mine underground information acquisition system based on visible light wireless communication Download PDFInfo
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- CN210274092U CN210274092U CN201921756393.3U CN201921756393U CN210274092U CN 210274092 U CN210274092 U CN 210274092U CN 201921756393 U CN201921756393 U CN 201921756393U CN 210274092 U CN210274092 U CN 210274092U
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Abstract
The utility model relates to a mine information acquisition technical field in the pit is a mine information acquisition system in the pit based on visible light wireless communication. The mine robot comprises a mine robot, wherein an information acquisition unit, an optical wireless communication receiving end and an optical wireless communication transmitting end are arranged on the mine robot, and the information acquisition unit and the optical wireless communication receiving end are connected with the optical wireless communication transmitting end. The utility model has the advantages of being simple in structure and convenient in use, regard visible light as signal transmission medium, the electromagnetic interference of communication in the pit has been avoided, can be through the methane that visible light will gather in the pit, carbon monoxide gas concentration, the mine temperature, the vibrations that the coal machine work produced, data such as mine internal environment stabilize real-time transmission to ground, the real-time supervision of mine has been realized, provide data support for the safe operation of mine, and for radio frequency signal the problem of the easy electric spark that produces of mine transmission, visible light has improved system safety factor as signal transmission medium.
Description
Technical Field
The utility model relates to a mine information acquisition technical field in the pit is a mine information acquisition system in the pit based on visible light wireless communication.
Background
The mineral resources in China are rich, coal resources are the most important one of the mineral resources, are called as energy pillars in China, and the energy consumption is continuously increased along with the acceleration of the pace of economic construction. The underground environment is relatively complex, and the mine structure is continuously changed after ores are mined along with the work of large-scale coal mining equipment on the mine working face. On the working face of a mine, a large amount of dust and a large amount of heat are generated, and dangerous gases such as methane, carbon monoxide and the like in a coal bed are released; when the dangerous gases reach a certain concentration threshold value, gas explosion can be caused, and underground workers are injured; in addition, the coal mining machine also causes slight earthquake to cause mine collapse, and the ground monitoring end is beneficial to making a decision on the condition of underground mine in real time through the real-time video monitoring of the mine, so that the probability of accidents is reduced. Therefore, the method is of great importance for collecting various environmental factors in the mine and transmitting the collected information to the ground monitoring end in time.
At present, the robot can be controlled to enter each area of a mine to realize information monitoring without dead angles under the mine, and the safety production work under the mine is guaranteed. The robot comprises a wired robot and a wireless robot, wherein the wireless communication technology of the wireless robot mainly uses radio frequency signals as transmission media, the transmission bandwidth of the existing various radio frequency technologies is strictly limited, electromagnetic interference exists in the transmission process, the radio frequency signals have the risk of generating electric sparks in mine transmission, the underground environment of the mine is very special, the generation of the electric sparks can cause serious safety accidents such as underground gas explosion, fire, mine collapse and the like, and further serious casualties and economic losses are caused, on the other hand, in the mine environment, the attenuation of the radio frequency signals by a large number of hydraulic struts is greatly influenced, the geometry of the mine is irregular, so that the underground environment is different from ground communication, and more base stations need to be erected in a shorter distance in the underground environment so as to achieve the purpose of good communication or no dead angle in communication. When the wired robot is used, due to the fact that the road surface under a mine is irregular and more roadways exist, the wired robot is prone to causing cable winding or cable cutting after entering a mine, and communication is interrupted.
Disclosure of Invention
The utility model provides an information acquisition system under mine based on visible light radio communication has overcome above-mentioned prior art not enough, and it can effectively solve the difficult problem of transmission of all kinds of information under the mine.
The technical scheme of the utility model is realized through following measure: the underground information acquisition system based on visible light wireless communication comprises a mine robot, wherein an information acquisition unit, an optical wireless communication receiving terminal and an optical wireless communication transmitting terminal are all arranged on the mine robot, and the information acquisition unit and the optical wireless communication receiving terminal are both connected with the optical wireless communication transmitting terminal.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the optical wireless communication receiving end comprises a modulation module, a driving module and an LED lamp, wherein the modulation module, the driving module and the LED lamp are connected in sequence, and the direction of the LED lamp is opposite to the walking direction of the mine robot.
The mine robot is also provided with a rotating arm capable of rotating up, down, left and right, and the LED lamp is installed on the rotating arm.
The optical wireless communication receiving end comprises a photoelectric detector and a demodulation module, the photoelectric detector is connected with the demodulation module, and the direction of the photoelectric detector is the walking direction of the mine robot.
The information acquisition unit comprises a methane sensor, a carbon monoxide sensor, a temperature sensor and a vibration sensor.
The optical wireless communication transmitter further comprises a video monitoring unit, and the video monitoring unit is connected with the optical wireless communication transmitting end.
The mine robot is a crawler-type mine robot.
The utility model has the advantages of being simple in structure and convenient in use, regard visible light as signal transmission medium, the electromagnetic interference of communication in the pit has been avoided, can be through the methane that visible light will gather in the pit, carbon monoxide gas concentration, the mine temperature, the vibrations that the coal machine work produced, data such as mine internal environment stabilize real-time transmission to ground, the real-time supervision of mine has been realized, provide data support for the safe operation of mine, and for radio frequency signal the problem of the easy electric spark that produces of mine transmission, visible light has improved system safety factor as signal transmission medium.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Figure 3 is the utility model discloses the operation sketch map in linear type tunnel mine.
Fig. 4 is an operation schematic diagram of the present invention in a turnout type tunnel mine.
Figure 5 is the utility model discloses the operation sketch map in oblique wave form tunnel mine.
The codes in the figures are respectively: the mine robot comprises a mine robot 1, an information acquisition unit 2, an optical wireless communication receiving end 3, an optical wireless communication transmitting end 4 and a rotating arm 5, wherein the mine robot 1 is used as the mine robot, the information acquisition unit 2 is used as the mine robot 2, the optical wireless communication receiving end 3 is used as the mine robot 4, and the optical wireless communication transmitting end 5 is used as the.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of the upper, lower, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The technical scheme of the utility model is realized through following measure:
the invention will be further described with reference to the following examples and drawings:
as shown in the attached drawings 1 and 2, the underground mine information acquisition system based on visible light wireless communication comprises a mine robot 1, wherein an information acquisition unit 2, an optical wireless communication receiving terminal 3 and an optical wireless communication transmitting terminal 4 are all installed on the mine robot 1, and the information acquisition unit 2 and the optical wireless communication receiving terminal 3 are both connected with the optical wireless communication transmitting terminal 4. The mine robot 1 may be an existing well-known MORBOTS robot.
The information acquisition unit 2 is used for acquiring data such as concentration of methane and carbon monoxide in a mine, temperature of the mine, vibration generated by working of a coal machine, environment in the mine and the like, and transmitting the acquired data to the optical wireless communication transmitting terminal 4.
The optical wireless communication transmitting terminal 4 can transmit visible light containing information, and the optical wireless communication receiving terminal 3 can receive the visible light of the information; the optical wireless communication receiving ends 3 and the optical wireless communication transmitting ends 4 on the plurality of mine robots 1 realize serial communication, so that multi-hop transmission of information is realized, and the optical wireless communication transmitting ends 4 can be connected with a receiving device (which can be an optical receiver) on the ground; according to the different types and lengths of the mine tunnels, the mine robots 1 with different quantities are used, and the specific process is as follows:
(1) linear type roadway mine
As shown in fig. 3, in the roadway mine, if the roadway of the mine is short-range, good optical wireless communication can be performed through two mine robots 1, and if the roadway of the mine is long-range, multi-hop transmission is realized through parallel optical wireless communication of a plurality of mine robots 1, and finally information is sent to a receiving device on the ground.
(2) Turnout type roadway mine
As shown in fig. 4, in the roadway mine, at least one mine robot 1 is arranged in each branch, and at least one mine robot 1 is arranged at the branch to receive information transmitted from a plurality of branches, and finally, the information is sent to a receiving device on the ground.
The utility model discloses structure convenient to use, regard visible light as signal transmission medium, the electromagnetic interference of communication in the pit has been avoided, can be through the methane that visible light will gather in the pit, carbon monoxide gas concentration, the mine temperature, the vibrations that coal machine work produced, data such as mine internal environment stabilize real-time transmission to ground, the real-time supervision of mine has been realized, provide data support for the safe operation of mine, and for radio frequency signal in the problem of the easy electric spark of mine transmission, visible light has improved system safety factor as signal transmission medium.
The mine underground information acquisition system based on visible light wireless communication can be further optimized or/and improved according to actual needs:
as shown in fig. 1 and 2, the optical wireless communication transmitting terminal 4 includes a modulation module, a driving module and an LED lamp, the modulation module, the driving module and the LED lamp are connected in sequence, and the direction of the LED lamp is opposite to the walking direction of the mine robot 1.
The modulation module is a known technology in the prior art, and can be a coding modulator formed by a 51 singlechip, and is used for carrying out analog-to-digital conversion and coding on received information, so that the information can be conveniently transmitted through visible light. The driving module is a conventional technology, and can be a constant current driving module for driving the LED lamp to emit light. The LED lamp is driven by the driving module to emit light, and waits for the optical wireless communication receiving end 3 to receive the light.
As shown in the attached drawings 1, 2 and 5, a rotating arm capable of rotating up, down, left and right is further arranged on the mine robot 1, and an LED lamp is mounted on the rotating arm.
The rotating arm can facilitate the alignment of the optical wireless communication transmitting terminal 4 to the optical wireless communication receiving terminal 3, and accurately realize data transmission.
For example, as shown in fig. 5, when serial communication is realized by the cooperation of a plurality of mine robots 1 in an oblique wave type roadway mine, the transmitting and receiving ends are aligned by adjusting the rotating arm 5 of the robot on an uphill road section, and information transmission at a slope is realized.
As shown in fig. 1 and 2, the optical wireless communication receiving end 3 includes a photoelectric detector and a demodulation module, the photoelectric detector is connected with the demodulation module, and the direction of the photoelectric detector is the walking direction of the mine robot 1.
The photodetector is a known prior art, and can be an avalanche photodetector for detecting acceptable visible light; the demodulation module is a decoding demodulator formed by a 51-chip microcomputer and used for decoding and demodulating the visible light received by the photoelectric detector to acquire information transmitted by the visible light.
As shown in fig. 1 and 2, the information acquisition unit 2 includes a methane sensor, a carbon monoxide sensor, a temperature sensor and a vibration sensor.
The methane sensor can be a GJC4 type methane sensor; the carbon monoxide sensor can be KGA5 type carbon monoxide sensor; the temperature sensor can be a KGW-1 type temperature sensor; the shock sensor may be a GBC80 type shock sensor.
As shown in fig. 1 and 2, the system further comprises a video monitoring unit, and the video monitoring unit is connected with the optical wireless communication transmitting terminal 4.
The video monitoring unit can be a high-definition camera and is used for enabling workers to obtain the actual conditions in the mine on the ground, so that the workers can collapse the mine caused by slight earthquake due to the working of the coal mining machine in time, and the accident probability is reduced.
According to the requirement, the mine robot 1 is a crawler-type mine robot.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. The underground information acquisition system based on visible light wireless communication is characterized by comprising a mine robot, wherein an information acquisition unit, an optical wireless communication receiving terminal and an optical wireless communication transmitting terminal are all arranged on the mine robot, and the information acquisition unit and the optical wireless communication receiving terminal are both connected with the optical wireless communication transmitting terminal.
2. The underground mine information acquisition system based on visible light wireless communication according to claim 1, wherein the optical wireless communication receiving end comprises a modulation module, a driving module and an LED lamp, the modulation module, the driving module and the LED lamp are sequentially connected, and the direction of the LED lamp is opposite to the walking direction of the mine robot.
3. A mine information acquisition system based on visible light wireless communication as claimed in claim 2, wherein the mine robot is further provided with a rotating arm capable of rotating up and down, left and right, and the LED lamp is mounted on the rotating arm.
4. The underground mine information acquisition system based on visible light wireless communication as claimed in claim 1, 2 or 3, wherein the optical wireless communication receiving end comprises a photoelectric detector and a demodulation module, the photoelectric detector is connected with the demodulation module, and the direction of the photoelectric detector is the walking direction of the mine robot.
5. The visible light wireless communication-based underground mine information acquisition system according to claim 1, 2 or 3, wherein the information acquisition unit comprises a methane sensor, a carbon monoxide sensor, a temperature sensor and a vibration sensor.
6. The visible light wireless communication-based underground mine information acquisition system according to claim 4, wherein the information acquisition unit comprises a methane sensor, a carbon monoxide sensor, a temperature sensor and a vibration sensor.
7. The underground mine information acquisition system based on visible light wireless communication as claimed in claim 1 or 2 or 3 or 6, further comprising a video monitoring unit, wherein the video monitoring unit is connected with the light wireless communication transmitting terminal.
8. The underground mine information acquisition system based on visible light wireless communication according to claim 4, further comprising a video monitoring unit, wherein the video monitoring unit is connected with the light wireless communication transmitting terminal.
9. The underground mine information acquisition system based on visible light wireless communication according to claim 5, further comprising a video monitoring unit, wherein the video monitoring unit is connected with the light wireless communication transmitting terminal.
10. The visible light wireless communication-based underground mine information acquisition system according to claim 1, 2, 3, 6, 8 or 9, wherein the mine robot is a crawler-type mine robot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921756393.3U CN210274092U (en) | 2019-10-18 | 2019-10-18 | Mine underground information acquisition system based on visible light wireless communication |
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| CN201921756393.3U CN210274092U (en) | 2019-10-18 | 2019-10-18 | Mine underground information acquisition system based on visible light wireless communication |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641455A (en) * | 2020-06-11 | 2020-09-08 | 沈宏岩 | Underground optical communication system based on visible light communication |
| CN112241712A (en) * | 2020-10-22 | 2021-01-19 | 山东省地质矿产勘查开发局第一地质大队 | Mineral resource acquisition and monitoring system |
| WO2021234576A1 (en) * | 2020-05-19 | 2021-11-25 | King Abdullah University Of Science And Technology | Autonomous mining system based on real-time digital video communication that uses ethernet and optical technologies |
-
2019
- 2019-10-18 CN CN201921756393.3U patent/CN210274092U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021234576A1 (en) * | 2020-05-19 | 2021-11-25 | King Abdullah University Of Science And Technology | Autonomous mining system based on real-time digital video communication that uses ethernet and optical technologies |
| CN111641455A (en) * | 2020-06-11 | 2020-09-08 | 沈宏岩 | Underground optical communication system based on visible light communication |
| CN111641455B (en) * | 2020-06-11 | 2021-08-24 | 深圳市爱德泰科技有限公司 | Underground optical communication system based on visible light communication |
| CN112241712A (en) * | 2020-10-22 | 2021-01-19 | 山东省地质矿产勘查开发局第一地质大队 | Mineral resource acquisition and monitoring system |
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