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  • Wireless network of power tower wireless transmission of long-distance wifi transceiver module

    2022-12-01 755

    Wireless network of power tower wireless transmission of long-distance wifi transceiver module


    1. Background overview

    With the improvement of modernization and people's living standard in our country, people have increasingly high requirement on the quality of transmission, especially high voltage transmission. At the same time, the current status of transmission line maintenance is discussed. The awareness of transmission line maintenance must be raised. According to the importance, controllability and maintainability of the equipment, the various units need to combine more efficient and comprehensive maintenance method to perform regular maintenance, form a comprehensive maintenance method, take preventive measures, make the transmission line management more scientific, modern and reasonable to minimize the national economy and people's life and property loss, speed up the pace of modernization in our country. Another very important point is to ensure a safe environment along the high voltage lines. In the long run, due to the lack of awareness of high voltage by a few people, occasional human casualties caused by touching high voltage will occur. Therefore, in order to ensure the life safety of the masses of people, the safety monitoring along the high voltage is imminent.

    Wireless network of power tower wireless transmission of long-distance wifi transceiver module

    2. Demand analysis

    In a plain area of Shanxi Province, there are many high-voltage transmission lines. In order to ensure the safety of people's lives and the needs of daily maintenance work, the power department specially invited our company to carry out a set of no-delay, high-bandwidth, multi-node ad-hoc network long-distance wifi transceive-receiving module wireless video transmission network. Surveillance video within 5,000 meters of the on-site power tower can be transmitted to the State Grid power headquarters, where automatic alarm systems and speakers are installed. In the surveillance video, we can see people entering the danger zone broadcasting warnings, and our equipment needs to meet the video and voice transmission of 30 power towers. The installation of the equipment also needs to be flexible and convenient. New nodes can be added at any time to expand the coverage of the transmission network and realize the inspection task of the entire power line 30 kilometers.

    3. Construction principles

    1) Innovative ideas, close to the frontier.

    Based on the new situation and new tasks of electric power development, this paper studies and innovates the emergency construction mode, fully draws on the successful experience of social innovation and information technology application, analyzes and finds the weak links in the existing electric power emergency communication command process, constantly enriche and innovates the command information working concept, and the system should keep up with the current technological frontier, adopt mature technology and provide a wider bandwidth. With the goal of higher speed and better user experience, we will maximize the construction efficiency of special police by means of information service.

    2) Peace and war combination, seamless switch.

    The design and construction of AD hoc network remote wifi transceiver module system should keep developing ideas, effectively integrate the technical system advantages of private network and public network, inherit their respective advantages, and overcome the shortcomings and deficiencies of the two networks. It can not only provide integrated communication services such as data, voice, SMS and video of the public network, but also meet the special requirements of the monitoring system in terms of controllability, security, confidentiality, flexibility, convenience and efficiency, stability and reliability, simple operation and maintenance, and high cost performance.

    3) Scientific planning, highlighting key points.

    Scientific planning system construction, pay attention to the top-level design, according to the principle of "key priority", reasonable selection of points, distribution organization and implementation. Highlight no public network overlays. Key areas such as key prevention and control, hot sensitive areas, important task area protection, small task area protection, small task area protection, scattered, far and weak point communication needs to ensure practicality, effectiveness and easy use.

    4) Focus on development, safe and controllable.

    The technology adopted by the AD hoc network remote wifi transceiver module system should keep up with the development direction of modern mobile communication technology. It should not only meet the multimedia service requirements of the current wireless private network with high speed and high bandwidth, but also meet the future network requirements. There is enough expansion space for the development of applications, so as to facilitate the expansion and upgrade of the system. The security and controllability of system information transmission should be considered, and the storage and repeated production functions should be supported.


    4. Wireless network topology of the power tower

    The overall scheme adopts two wireless networking modes according to the terrain!

    One is six points east of the substation. The power tower along the line adopts the wireless device hand-in-hand jump relay, and the six videos along the line are transmitted to the substation through the remote wifi transceiver module of AD hoc network. This network method is suitable for points along the line with less than 10 points. The number is small and the bandwidth requirement is small. Our product can transmit video along the line smoothly under the condition of multi-hop attenuation. The second transmission mode is 24 points in the west of the substation. Using the many-to-one transmission mode, 4 to 6 videos are gathered to a gathering point, and then transmitted directly to the substation through gigabit wireless equipment, which can be divided into 4 groups or 5 groups of many-to-one link gathering. This kind of remote wifi transceiver transmission mode can avoid bandwidth attenuation caused by more points and reasonably plan the video access to the big screen of the headquarters. Headquarters personnel can direct the deployment of front-end inspection work through on-site video. The front-end personnel can also communicate with the headquarters personnel through voice to improve the work efficiency of the power inspection site.


    5. Inspection of power tower Mobile MESH AD hoc network system introduction

    MESH remote wifi transceiver module solves the interconnection problem between operators at high altitude and commanders on the ground. The operator loads the professional wireless networking terminal equipment to transmit the real-time image of the high-altitude line to the ground command platform to ensure the voice communication intercom on the tower and the ground commander to command the operation in time according to the video pictures. Real-time and effective supervision of the normal operation of high-altitude personnel, reasonable operation, greatly improve the work efficiency of line maintenance, more effectively ensure the safety of high-altitude personnel. The remote wifi transceiver module of AD hoc network has its own WIFI function, which can simultaneously transmit on-site work video and voice to the command center. The leader of the power tower system can command on-site work remotely, which greatly improves the adaptability and practicability of the power working environment.


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