CN209959247U - Wireless communication system of coal mining machine - Google Patents
Wireless communication system of coal mining machine Download PDFInfo
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- CN209959247U CN209959247U CN201920277285.1U CN201920277285U CN209959247U CN 209959247 U CN209959247 U CN 209959247U CN 201920277285 U CN201920277285 U CN 201920277285U CN 209959247 U CN209959247 U CN 209959247U
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Abstract
The utility model discloses a coal-winning machine wireless communication system, this system includes: the device comprises a controller, a signal conversion device, a signal sending device, a signal receiving device and a receiving antenna. The controller and the signal conversion device are arranged in the explosion-proof electric control box, the signal emitting device is embedded in the cover plate of the explosion-proof electric control box, the controller is connected with the signal conversion device, and the signal conversion device is connected with the signal emitting device; the signal receiving device and the receiving antenna are arranged on a middle frame of the working face of the coal mining machine, wireless connection is established between the receiving antenna and the signal sending device, and the signal receiving device is connected with the receiving antenna. The utility model discloses a coal-winning machine wireless communication system, it has wireless connection to establish between signal sending device and the receiving antenna, through adopting wireless communication, need not to consider the line interference problem, is convenient for install signal receiving device in suitable position, and has avoided the bad system's trouble that leads to of line loss among the working process, reduces and maintains the degree of difficulty.
Description
Technical Field
The utility model relates to a coal mining apparatus technical field especially relates to a coal-winning machine wireless communication system.
Background
The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production, and the purposes of reducing physical labor, improving safety and achieving high yield, high efficiency and low consumption can be achieved by performing mechanical coal mining through the coal mining machine. In order to realize the automatic control of the coal mining machine, network connection needs to be established among all the components in the operation process of the coal mining machine so as to realize data transmission and interaction.
In the prior art, the data transmission of the coal mining machine adopts wired connection modes such as an RS485 communication line or a CAN bus, and the like, so that the line arrangement interference is large, and the maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem who exists among the above-mentioned prior art, the utility model provides a coal-winning machine wireless communication system. The specific technical scheme is as follows:
a coal mining machine wireless communication system, the system comprising: the device comprises a controller, a signal conversion device, a signal sending device, a signal receiving device and a receiving antenna; the controller and the signal conversion device are arranged in the explosion-proof electric control box, the signal sending device is embedded in the cover plate of the explosion-proof electric control box, the controller is connected with the signal conversion device, and the signal conversion device is connected with the signal sending device; the signal receiving device and the receiving antenna are arranged on a middle frame of a working face of the coal mining machine, wireless connection is established between the receiving antenna and the signal sending device, and the signal receiving device is connected with the receiving antenna.
In one possible design, the signal receiving device is connected with an underground looped network and is used for transmitting data and video information of the coal mining machine to the gate way and the ground centralized control center.
In one possible design, the signal receiving device is connected to the downhole ring network through an ethernet or an optical fiber.
In one possible design, the receiving antenna comprises two single-polarized antennas, and the two single-polarized antennas respectively point to the head and the tail of the coal mining machine.
In one possible design, the system further includes a power box for supplying power to the signal receiving device.
In one possible design, the input of the power box is AC127V/220V/380V/660V, the output is DC12V/18V, and the input of the signal receiving device is DC 12V/18V.
In one possible design, the signal transmitting device is a transmitting antenna mount.
In one possible design, the signal receiving device supports video, voice, and data transmission.
In one possible design, the signal receiving device adopts USIM card bidirectional authentication and EPS quadruple authentication.
The utility model discloses technical scheme's main advantage as follows:
the utility model discloses a coal-winning machine wireless communication system, through placing controller and signal conversion equipment in explosion-proof electric cabinet, controller and signal receiving arrangement distance are nearer, reduce the cable connection, and are better to controller and signal conversion equipment's protection effect. The signal sending device is embedded in the cover plate of the explosion-proof electric control box, so that a signal can be sent conveniently. The signal sending device is in wireless connection with the receiving antenna, the problem of line interference does not need to be considered by adopting wireless communication, the signal receiving device is convenient to install at a proper position, system faults caused by line damage in the working process are avoided, and the maintenance difficulty is reduced.
Drawings
The accompanying drawings, which are set forth herein, serve to provide a further understanding of the embodiments of the present invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are illustrative of the invention and do not constitute a limitation on the invention. In the drawings:
fig. 1 is a schematic view of a connection relationship of a wireless communication system of a coal mining machine according to an embodiment of the present invention.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The technical solution provided by the embodiments of the present invention is described in detail below with reference to the accompanying drawings.
The embodiment of the utility model provides a coal-winning machine wireless communication system, as shown in figure 1, this coal-winning machine wireless communication system includes: the device comprises a controller, a signal conversion device, a signal sending device, a signal receiving device and a receiving antenna. The controller and the signal conversion device are arranged in the explosion-proof electric control box, the signal emitting device is embedded in the cover plate of the explosion-proof electric control box, the controller is connected with the signal conversion device, and the signal conversion device is connected with the signal emitting device. The signal receiving device and the receiving antenna are arranged on a middle frame of the working face of the coal mining machine, wireless connection is established between the receiving antenna and the signal sending device, and the signal receiving device is connected with the receiving antenna.
The embodiment of the utility model provides a following is right the operating principle of coal-winning machine wireless communication system explains:
when the wireless signal transmitting device is used, the controller sends out an instruction, and after the instruction is converted by the signal conversion device, the signal sending device sends out a signal in a wireless signal mode. The signal receiving device receives signals through the receiving antenna and obtains instructions sent by the controller. Through the process, the instruction of the controller is transmitted to the signal receiving device, and then the coal mining machine is controlled to operate. The embodiment of the utility model provides a coal-winning machine wireless communication system, through placing controller and signal conversion equipment in explosion-proof electric cabinet, controller and signal receiving arrangement distance are nearer, reduce the cable connection, and are better to controller and signal conversion equipment's protection effect. The signal sending device is embedded in the cover plate of the explosion-proof electric control box, so that a signal can be sent conveniently. The signal sending device is in wireless connection with the receiving antenna, the problem of line interference does not need to be considered by adopting wireless communication, the signal receiving device is convenient to install at a proper position, system faults caused by line damage in the working process are avoided, and the maintenance difficulty is reduced.
The embodiment of the utility model provides an in, the controller is through above-mentioned flow to signal receiver commander, and then the operation of control coal-winning machine, and optionally, signal receiver is connected with the looped netowrk in the pit for with coal-winning machine data and video information transmission to crossheading and ground centralized control center. According to the arrangement, after the signal receiving device receives the instruction of the controller to control the operation of the coal mining machine, the operation condition of the coal mining machine is transmitted to the crossheading and ground centralized control center, so that a worker can master the operation condition of the coal mining machine and can master the underground condition through video information.
The signal receiving device is connected with the underground looped network through the Ethernet or the optical fiber, and then data and video information of the coal mining machine are transmitted to the gateway and the ground centralized control center.
The embodiment of the utility model provides an in, receiving antenna is used for the radio signal that the received signal send device sent, and in order to improve the signal reception effect, receiving antenna includes two single polarization antennas, two single polarization antennas respectively directional coal-winning machine's aircraft nose and two directions of tail. So set up, receiving antenna's receiving range is great, improves signal reception effect.
The embodiment of the utility model provides a coal-winning machine wireless communication system still includes the power supply box for supply power to signal receiving arrangement.
Specifically, the input of the power box is AC127V/220V/380V/660V, the output is DC12V/18V, and the input of the signal receiving device is DC 12V/18V. The input of the power box can be 127V alternating current, 220V alternating current, 380V alternating current or 660V alternating current, and the application range is wide. The output voltage is adapted to the input voltage of the signal receiving device for powering the signal receiving device.
In the embodiment of the utility model provides an in, signal transmission device is the transmission antenna seat. The transmitting antenna seat transmits a wireless signal, and the receiving antenna receives the wireless signal, so that wireless communication connection is established between the signal transmitting device and the signal receiving device.
The embodiment of the utility model provides an among the coal-winning machine wireless communication system, signal receiver supports video, pronunciation and data transmission. I.e. the process is repeated. The signal receiving device can perform seamless switching of mobile multimedia services such as videos, voices and high-speed data, and the signal receiving device can transmit diversified data to the ground centralized control center, so that workers can master underground information more comprehensively.
Optionally, the signal receiving device adopts USIM card bidirectional authentication and EPS quadruple authentication, and the security is high.
The signal receiving device supports 10ms low service delay, has high transmission speed, small volume and low power consumption, and the protection grade is IP 67.
Through the setting, the embodiment of the utility model provides a coal-winning machine wireless communication system's interference killing feature is stronger, and wireless communication system upgoing rate reaches 30Mbps, and down rate reaches 40Mbps, can carry out coal-winning machine video data transmission, and coal-winning machine monitoring data and control signal real-time improve, satisfy the automatic coal cutting demand.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A coal mining machine wireless communication system, the system comprising: the device comprises a controller, a signal conversion device, a signal sending device, a signal receiving device and a receiving antenna;
the controller and the signal conversion device are arranged in the explosion-proof electric control box, the signal sending device is embedded in the cover plate of the explosion-proof electric control box, the controller is connected with the signal conversion device, and the signal conversion device is connected with the signal sending device;
the signal receiving device and the receiving antenna are arranged on a middle frame of a working face of the coal mining machine, wireless connection is established between the receiving antenna and the signal sending device, and the signal receiving device is connected with the receiving antenna.
2. The wireless communication system of claim 1, wherein the signal receiving device is connected to a downhole looped network for transmitting the coal mining machine data and video information to the gateway and the ground centralized control center.
3. The shearer radio communication system according to claim 2, wherein the signal receiving device is connected to the downhole ring network through ethernet or optical fiber.
4. The shearer radio communication system according to claim 1, wherein the receiving antenna includes two single polarized antennas, the two single polarized antennas pointing in two directions of a nose and a tail of the shearer.
5. The shearer wireless communication system of claim 1, wherein the system further comprises a power box for supplying power to the signal receiving device.
6. The wireless communication system of the coal mining machine according to claim 5, characterized in that the input of the power box is AC127V/220V/380V/660V, the output is DC12V/18V, and the input of the signal receiving device is DC 12V/18V.
7. The shearer wireless communication system of claim 1, wherein the signal emitting device is a transmitting antenna mount.
8. The shearer wireless communication system of claim 1, wherein the signal receiving device supports video, voice, and data transmission.
9. The shearer wireless communication system according to claim 1 or 8, wherein the signal receiving device adopts USIM card bidirectional authentication and EPS quadruple authentication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920277285.1U CN209959247U (en) | 2019-03-05 | 2019-03-05 | Wireless communication system of coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920277285.1U CN209959247U (en) | 2019-03-05 | 2019-03-05 | Wireless communication system of coal mining machine |
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| CN209959247U true CN209959247U (en) | 2020-01-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826627A (en) * | 2019-03-05 | 2019-05-31 | 太重煤机有限公司 | Coalcutter wireless telecommunication system |
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2019
- 2019-03-05 CN CN201920277285.1U patent/CN209959247U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826627A (en) * | 2019-03-05 | 2019-05-31 | 太重煤机有限公司 | Coalcutter wireless telecommunication system |
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