Coal mine underground communication device

Abstract

The utility model provides an underground communication device for a coal mine. The underground communication device comprises a ground dispatching center and an underground inspection terminal, the ground dispatching center comprises a dispatching desk, a voice communication server and a wireless communication gateway, and the dispatching desk is in communication connection with the underground inspection terminal through the wireless communication gateway; the underground inspection terminal comprises a plurality of ad hoc network voice terminals and wireless intelligent base stations which are in communication connection, each ad hoc network voice terminal comprises a wireless transceiving assembly, an audio processor, a positioning sensing assembly, a video acquisition assembly, an environment information acquisition assembly and a microprocessor, and the audio processor is connected with an earphone and an underground microphone. The microprocessor is connected with a talkback key, and the wireless intelligent base station establishes a wireless local area network through multi-base-station continuous hopping and is used for data access and transmission. According to the utility model, based on the ad hoc network technology, the convenience and stability of underground communication are improved, and the safety production of a coal mine is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of communication and relates to an underground communication device in a coal mine. Background Art

[0002] At present, the working environment in mines is complex and harsh, and the wiring is relatively complicated, which makes mines face many problems during emergency rescue: (1) There are many on-site rescue points, a wide rescue space, and a tight rescue time; (2) Due to power outages, external communications are paralyzed, and information on the disaster site cannot be timely and accurately transmitted to the rescue team and the rescue command center, delaying the rescue opportunity; (3) Due to the limitations of communication equipment, it is impossible to access the emergency system normally to transmit image, video, voice and other data; (4) There are many types of rescue materials and equipment with single functions, and storage calls rely entirely on experience and memory, which affects the dispatch efficiency of rescue materials and equipment.

[0003] With the continuous maturity and popularization of emergency communication technology, building a high-speed communication system that can be deployed at a very fast speed is an inevitable choice to adapt to modern emergency rescue. Especially in modern emergency rescue, various communication networks are indispensable. They must have comprehensive coverage, be stable and reliable, complete signal blind spots and full coverage, and ensure normal emergency communication contacts.

[0004] Especially in the relatively complex underground environment of coal mines, a high-speed communication system is very important for emergency command and decision-making, as it can quickly and stably transmit underground images and information from on-site staff back to the central control platform. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of the utility model is to provide a coal mine underground communication device, which integrates self-organizing network technology, data management platform, and real-time dispatching and control, to achieve high-speed information exchange between underground inspection terminal equipment and command and dispatch, build equipment information interaction channels, optimize dispatching analysis, and improve the reliability of emergency rescue communications.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides an underground communication device for a coal mine, the underground communication device for a coal mine comprises an above-ground dispatching center and an underground inspection terminal; the above-ground dispatching center comprises a dispatching desk, a voice communication server and a wireless communication gateway, the dispatching desk is connected to the voice communication server, and the dispatching desk is also connected to the underground inspection terminal through the wireless communication gateway; the underground inspection terminal comprises a plurality of communication-connected ad hoc voice terminals and a wireless intelligent base station, the ad hoc voice terminal comprises a wireless transceiver component, an audio processor, a positioning sensor component, a video acquisition component, an environmental information acquisition component and a microprocessor, the microprocessor is respectively connected to the wireless transceiver component, the audio processor, the positioning sensor component, the video acquisition component and the environmental information acquisition component, the audio processor is connected to an earphone and an underground microphone, the microprocessor is connected to an intercom button, and the wireless intelligent base station forms a wireless local area network through multi-base station hopping for data access and transmission.

[0008] The utility model provides an underground communication device for coal mines, which realizes stable communication between surface dispatch and underground inspection, establishes a complete communication network in the entire inspection area, realizes two-way data interaction, integrates self-organizing network technology, data management platform and real-time dispatch control, and conducts high-speed information exchange between underground inspection terminal equipment and command and dispatch, thereby improving the convenience and stability of underground communication, ensuring the safe production of coal mines, and at the same time being able to gain emergency rescue time, emergency speed and emergency efficiency in emergency rescue.

[0009] The dispatching desk of the above-ground dispatching center in the utility model is used to integrate the ground and underground conditions for comprehensive dispatching work; the voice communication server broadcasts and transmits information above-ground; the wireless communication gateway is used to establish a wireless communication connection between the above-ground dispatching center and the underground inspection terminal. The underground inspection terminal is a mobile carrier, and the wireless transceiver component is used to receive and upload data; the audio processor is used to filter and process audio information; the positioning sensor component is used to locate the underground inspection terminal and underground personnel; the video acquisition component is used to collect underground video information; the environmental information acquisition component is used to collect underground environmental information; the microprocessor is used to integrate and process the above-mentioned various information, and realize the communication and transmission of data with the above-ground dispatching center.

[0010] The present invention does not specifically limit the model and structure of the video acquisition component, and any video acquisition device known to those skilled in the art that can obtain downhole image information can be used. For example, it can be an intrinsically safe explosion-proof camera.

[0011] As a preferred technical solution of the utility model, the voice communication server includes a loudspeaker and a power amplifier host.

[0012] As a preferred technical solution of the utility model, the well dispatching center also includes at least one well inspection mobile terminal, and the well inspection mobile terminal is equipped with an acoustic wave detector, a vibration detector, a thermal imaging detector, a satellite locator and an Internet of Things self-organizing network module.

[0013] As a preferred technical solution of the utility model, the dispatching station is provided with an antenna, and the IoT ad hoc network module is wirelessly connected to the dispatching station through multiple hops of the antenna.

[0014] The utility model utilizes the well inspection mobile terminal to carry out ground inspection work, improves the communication stability based on the self-organizing network multi-hop connection mode, is beneficial to integrate the ground and underground conditions during emergency rescue, and optimizes the comprehensive dispatching capability.

[0015] As a preferred technical solution of the utility model, the environmental information collection component includes a wind speed sensor, a temperature sensor, a gas concentration sensor, a dust concentration sensor and a carbon monoxide sensor.

[0016] The wind speed sensor described in the utility model is used to obtain underground wind speed information, the temperature sensor is used to obtain underground temperature information, the gas concentration sensor is used to obtain underground gas concentration information, the dust concentration sensor is used to obtain underground dust concentration information, and the carbon monoxide sensor is used to obtain underground carbon monoxide concentration information, so that surface personnel can grasp the underground environment in real time, and in emergency situations, they can complete a more complete underground rescue plan, thereby improving emergency response capabilities.

[0017] As a preferred technical solution of the utility model, the positioning sensor component includes a radio frequency reading chip and an electronic tag carried by underground personnel, and the radio frequency reading chip is used to read the electronic tags within the location range.

[0018] As a preferred technical solution of the utility model, the self-organizing network voice terminal is also provided with a voice codec and a video codec, the video acquisition component is connected to the microprocessor through the video codec, and the audio processor is connected to the microprocessor through the voice codec.

[0019] As a preferred technical solution of the utility model, the underground inspection terminal also includes an independent power supply, and the independent power supply is used to supply power to the self-organizing network voice terminal and the wireless intelligent base station respectively.

[0020] As a preferred technical solution of the utility model, the independent power source is a battery or a solar cell.

[0021] As a preferred technical solution of the utility model, the wireless intelligent base station is a Strong link wireless Internet of Things base station.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The utility model provides an underground communication device for coal mines, which realizes stable communication between above-ground dispatch and underground inspection, establishes a complete communication network in the entire inspection area, realizes two-way data interaction, integrates self-organizing network technology, data management platform and real-time dispatch control, and conducts high-speed information exchange between underground inspection terminal equipment and command and dispatch, thereby improving the convenience and stability of underground communication, ensuring the safe production of coal mines, and at the same time being able to gain emergency rescue time, emergency speed and emergency efficiency in emergency rescue. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of a coal mine underground communication device provided for a specific embodiment of the utility model;

[0025] Figure 2 A connection diagram of an ad hoc network voice terminal provided for a specific implementation of the utility model.

[0026] Among them, 100-surface dispatch center; 200-underground inspection terminal; 1-dispatching desk; 2-voice communication server; 3-wireless communication gateway; 4-self-organizing network voice terminal; 401-wireless transceiver component; 402-audio processor; 403-positioning sensor component; 404-video acquisition component; 405-environmental information acquisition component; 406-microprocessor; 407-voice codec; 408-video codec; 5-wireless intelligent base station; 6-independent power supply. DETAILED DESCRIPTION

[0027] It should be understood that, in the description of the present utility model, the terms "center", "upper", "lower", "front", "back", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. It should be noted that, in the description of the present utility model, unless otherwise clearly specified and limited, the terms "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood by specific circumstances.

[0028] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0029] In a specific embodiment, the utility model provides a coal mine underground communication device, such as Figure 1 As shown, it includes an above-ground dispatch center 100 and an underground inspection terminal 200. The above-ground dispatch center 100 includes a dispatch station 1, a voice communication server 2 and a wireless communication gateway 3. The dispatch station 1 is connected to the voice communication server 2, and the dispatch station 1 is also connected to the underground inspection terminal 200 through the wireless communication gateway 3. The underground inspection terminal 200 includes a plurality of communication-connected self-organizing network voice terminals 4 and wireless intelligent base stations 5. Figure 2 As shown, the self-organizing network voice terminal 4 includes a wireless transceiver component 401, an audio processor 402, a positioning sensor component 403, a video acquisition component 404, an environmental information acquisition component 405 and a microprocessor 406. The microprocessor 406 is respectively connected to the wireless transceiver component 401, the audio processor 402, the positioning sensor component 403, the video acquisition component 404 and the environmental information acquisition component 405. The audio processor 402 is connected to headphones and an underground microphone. The microprocessor 406 is connected to an intercom button. The wireless intelligent base station 5 forms a wireless local area network by hopping multiple base stations for data access and transmission.

[0030] The dispatching desk 1 of the aboveground dispatching center 100 in the utility model is used to integrate the ground and underground conditions for comprehensive dispatching work; the voice communication server 2 broadcasts and transmits information aboveground; the wireless communication gateway 3 is used to perform wireless communication connection between the aboveground dispatching center 100 and the underground inspection terminal 200. Furthermore, the dispatching desk 1 can be configured with a full graphical operation interface to realize functions such as information data storage, communication records, record query, encryption, retransmission, level restriction, real-time monitoring, and alarm for the underground inspection terminal 200.

[0031] The underground inspection terminal 200 described in the utility model is a mobile carrier, the wireless transceiver component 401 is used for receiving and uploading data; the audio processor 402 is used for screening and processing audio information; the positioning sensor component 403 is used for locating the underground inspection terminal 200 and underground personnel; the video acquisition component 404 is used for collecting underground video information; the environmental information acquisition component 405 is used for collecting underground environmental information; the microprocessor 406 is used to integrate and process the above-mentioned various information, and realize communication and transmission of data with the uphole dispatching center 100.

[0032] In a specific embodiment, the voice communication server 2 includes a speaker and a power amplifier host. In the application process, the signal input end of the power amplifier host is connected to the dispatching station 1, and the signal output end of the power amplifier host is connected to the speaker. The dispatching station 1 transmits the audio electrical signal to the power amplifier host for amplification processing, and then transmits the amplified audio signal to the speaker for playback.

[0033] In a specific embodiment, the above-ground dispatch center 100 also includes at least one above-ground inspection mobile terminal, on which an acoustic wave detector, a vibration detector, a thermal imaging detector, a satellite locator and an Internet of Things self-organizing network module are provided.

[0034] In a specific embodiment, the dispatching station 1 is provided with an antenna, and the IoT ad hoc network module is wirelessly connected to the dispatching station 1 through the antenna in multiple hops. The utility model uses the well inspection mobile terminal to perform inspection work on the ground, and improves the communication stability based on the ad hoc network multi-hop connection mode, which is conducive to integrating the ground and underground situations during emergency rescue and optimizing the comprehensive dispatching capability.

[0035] In a specific embodiment, the environmental information acquisition component 405 includes a wind speed sensor, a temperature sensor, a gas concentration sensor, a dust concentration sensor and a carbon monoxide sensor. The wind speed sensor is used to obtain underground wind speed information, the temperature sensor is used to obtain underground temperature information, the gas concentration sensor is used to obtain underground gas concentration information, the dust concentration sensor is used to obtain underground dust concentration information, and the carbon monoxide sensor is used to obtain underground carbon monoxide concentration information, so that the personnel on the surface can grasp the underground environment in real time, and in emergency situations, they can complete a more complete underground rescue plan, thereby improving the emergency response capability.

[0036] In a specific embodiment, the positioning sensor component 403 includes a radio frequency reader chip and an electronic tag carried by underground personnel, and the radio frequency reader chip is used to read the electronic tags within the location range. Underground workers carry electronic tags with them to provide accurate personnel coordinate positioning and identity information. The above-ground dispatch center 100 obtains the location and identity information of underground personnel through the reading function of the radio frequency reader chip, integrating underground wireless communication and personnel positioning.

[0037] In a specific embodiment, Figure 2As shown, the self-organizing network voice terminal 4 is also provided with a voice codec 407 and a video codec 408, the video acquisition component 404 is connected to the microprocessor 406 through the video codec 408, and the audio processor 402 is connected to the microprocessor 406 through the voice codec 407. In the application process of the utility model, when the intercom button is pressed, the underground inspection terminal 200 is used as a voice input terminal, so that the voice is input from the underground microphone, and the voice signal is processed by the voice codec 407, and then sent to the voice codec module for encoding; the microprocessor 406 stores and forwards the audio information to the wireless transceiver component 401 for uploading, and can also be pronounced through the earphone after being decoded by the voice codec 407. In addition, the microprocessor 406 decodes the video information collected by the video acquisition component 404 through the video codec 408, and stores and forwards it to the wireless transceiver component 401 for uploading. Specifically, the video acquisition component 404 can be an intrinsically safe explosion-proof camera.

[0038] In a specific embodiment, the underground inspection terminal 200 further includes an independent power supply 6, which is used to supply power to the ad hoc network voice terminal 4 and the wireless intelligent base station 5. Specifically, the independent power supply 6 is a battery or a solar cell.

[0039] In a specific embodiment, the wireless intelligent base station 5 is a Strong link wireless IoT base station. The utility model is based on the high-bandwidth, low-latency self-organizing network technology of Strong link, realizes 14 points and above multi-hop connection, each hop attenuation <10%, keeps the terminal bandwidth above 400Mbps, and the switching time is less than 50ms. It has wireless high-speed intelligent networking, multi-point wireless coverage, video acquisition, intercom, emergency broadcast, positioning return and other functions, providing reliable and stable communication guarantee for underground emergency situations.

[0040] The utility model integrates self-organizing network technology, data management platform, and real-time dispatching control to achieve high-speed information exchange between underground inspection terminal 200 equipment and command and dispatch, build equipment information interaction channels, optimize dispatching analysis, and improve the reliability of emergency rescue communications.

[0041] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A coal mine underground communication device, characterized in that: The underground coal mine communication device includes an above-ground dispatching center and an underground inspection terminal; The above-ground dispatch center includes a dispatch desk, a voice communication server and a wireless communication gateway, wherein the dispatch desk is connected to the voice communication server, and the dispatch desk is also connected to the underground inspection terminal through the wireless communication gateway; The underground inspection terminal includes several communication-connected self-organizing network voice terminals and wireless intelligent base stations. The self-organizing network voice terminal includes a wireless transceiver component, an audio processor, a positioning sensor component, a video acquisition component, an environmental information acquisition component and a microprocessor. The microprocessor is respectively connected to the wireless transceiver component, the audio processor, the positioning sensor component, the video acquisition component and the environmental information acquisition component. The audio processor is connected to headphones and an underground microphone. The microprocessor is connected to an intercom button. The wireless intelligent base station forms a wireless local area network by hopping multiple base stations for data access and transmission.

2. The underground coal mine communication device according to claim 1, characterized in that: The voice communication server includes a loudspeaker and a power amplifier host.

3. The underground coal mine communication device according to claim 1, characterized in that: The well dispatching center also includes at least one well inspection mobile terminal, on which an acoustic wave detector, a vibration detector, a thermal imaging detector, a satellite locator and an Internet of Things self-organizing network module are provided.

4. The underground coal mine communication device according to claim 3, characterized in that: The dispatching station is provided with an antenna, and the IoT ad hoc network module is wirelessly connected to the dispatching station through multi-hop via the antenna.

5. The underground coal mine communication device according to claim 1, characterized in that: The environmental information collection component includes a wind speed sensor, a temperature sensor, a gas concentration sensor, a dust concentration sensor and a carbon monoxide sensor.

6. The underground coal mine communication device according to claim 1, characterized in that: The positioning sensor component includes a radio frequency reader chip and an electronic tag carried by underground personnel. The radio frequency reader chip is used to read the electronic tags within the location range.

7. The underground coal mine communication device according to claim 1, characterized in that: The self-organizing network voice terminal is also provided with a voice codec and a video codec, the video acquisition component is connected to the microprocessor via the video codec, and the audio processor is connected to the microprocessor via the voice codec.

8. The underground coal mine communication device according to claim 1, characterized in that: The underground inspection terminal also includes an independent power supply, which is used to supply power to the self-organizing network voice terminal and the wireless intelligent base station respectively.

9. The underground coal mine communication device according to claim 8, characterized in that: The independent power source is a storage battery or a solar cell.

10. The underground coal mine communication device according to claim 1, characterized in that: The wireless intelligent base station is a Strong link wireless IoT base station.

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