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  • Ultra long distance image transmission WiFi module airport/scenic spot wireless monitoring

    2023-03-15 580

    Ultra-long distance image transmission WiFi module airport/tourist attractions high-speed wireless transmission


    I. Project introduction

    Airport Avenue is located in Dachuan District and economic Development Zone, which is an important supporting project of airport relocation project. The total length is 12.32 kilometers and the total cost is 2.954 billion yuan. It is the main pillar of connecting the old city, new town, new district, airport and coordinating the overall traffic. It is called the "dream road" for Dazhou's old city renewal, new city rise and development.

    Ultra long distance image transmission WiFi module airport/scenic spot wireless monitoring

    Ii. Purpose of monitoring

    In order to ensure the safe and orderly construction, in accordance with the requirements of the Airport Avenue project department, a video surveillance system is installed on the construction site to monitor each area of the construction site continuously for 24 hours. The manufacturer of ultra-long distance image transfer WiFi module was invited to provide wireless transmission equipment and technical support for this project.


    Iii. Customer requirements

    1. Video surveillance system is installed to improve the real-time dynamic control of the project, and full coverage of key construction areas by video surveillance should be fully considered in site construction.

    2. In the actual installation process, the corresponding monitoring point can be adjusted according to the actual situation. The installation of the video surveillance system should ensure that on-site construction is not affected and security risks do not exist.

    3. Video surveillance system is a network system and will be affected by many external factors. During the installation process, full consideration should be given to equipment protection, ease of maintenance, and regular operation and maintenance.


    Four, construction scheme

    Due to the complex site situation, it is not suitable for wiring. After field investigation by technicians, it is decided to use ultra-long distance image transfer WiFi module for wireless transmission to complete the monitoring video transmission. The basic principle is that the whole monitoring system covers important construction sites, key processes and key nodes, and is composed of front-end video acquisition part, middle video transmission part and back-end monitoring center.


    According to the site situation and project requirements, in order to ensure the effect, it is planned to install 5 million pixel HD ball machines on No. 5 and No. 7 tower cranes for all-round real-time monitoring. The monitoring video is returned to the project department of the construction site through the industrial-grade digital wireless of the ultra-long distance image transmission WiFi module developed by ourselves. The surveillance video is stored and uploaded to the server platform through Hikon hard disk video recorder. The project manager can watch the construction in real time on the computer or mobile phone in the collective headquarters through the public network.


    In the whole scheme, the ultra-long distance WiFi module fully meets several requirements of customers. After tracking customer information in the later stage, the wireless transmission system of the whole project has stable transmission performance, and everything runs normally! The project side is very satisfied with the site situation!


    A successful case of wireless transmission project of ultra-long distance map WiFi module in tourist areas


    Background:


    The tourist area is located in the middle reaches of Baishui River, Lingao Township, 20 kilometers northwest of Baishui County, Nanshi City. It is a national 4A level scenic spot. In 2014, Lake Lingao was named one of the top 10 fascinating lakes by the media. Wetland has become an important habitat for black stork population and has important conservation significance.


    Purpose of monitoring:

    In order to protect the natural environment of the scenic spot and the safety of visitors' lives and property, the wetland park management staff decided to install a security monitoring system. Each area of the scenic spot is continuously monitored for 24 hours. The manufacturer of ultra-long distance image transfer WiFi module was invited to provide solutions for the monitoring project and participate in the installation.


    Solution description:

    Due to the wide monitoring range and long transmission distance of the scenic spot, it is unrealistic to adopt the traditional wired video monitoring system, so the scenic spot management department decides to adopt the wireless video monitoring system which is widely used. After the on-site investigation of the technical staff of ultra long distance image transfer WiFi module company, combined with the opinions of the scenic spot management staff, a set of perfect wireless transmission solution is designed for the project.


    First, the scene situation

    1. Point distribution: The main points of remote wireless video surveillance system are monitoring center point, relay point and multiple monitoring distribution points.

    2. Layout description of monitoring points: The field monitoring command center is set on the shore. The video signal on the lake cannot be transmitted directly to the destination because the distance is too far, so relay transmission needs to be relayed.

    3, line description: The red line represents the data transmission path, bandwidth up to 220Mbps actual transmission rate.


    Two, the whole wireless transmission system is composed of the following parts

    Front-end equipment: HD digital camera

    Transmission equipment: ultra long distance image transmission WiFi module digital high power wireless

    Back-end equipment: hard disk video recorder, display

    Power supply system: solar power supply system


    High power wireless module is a remote wireless transmission equipment independently developed and produced, with a built-in 18DBI double extremely high gain antenna. The device is designed to be waterproof, dust-proof and salt-spray proof. The waterproof grade can reach IP67, which is especially suitable for wireless network connection service in harsh field environment.


    The WiFi module supports AP mode, routing mode, bridge mode, and trunk mode. Collaboration between different modes can achieve different effects, allowing for point-to-point and point-to-point transmission. In AP mode, the theory can support 32 clients. In bridge mode, the main bridge is set as the central station and the terminal device is set as the remote station, which supports point-to-multipoint transmission. The equipment has been widely used in forest fire prevention, tourist attractions, tunnel communication, construction sites, large reservoirs, oil fields, transportation terminals and other harsh outdoor environment monitoring, is the choice of modern wireless transmission industry equipment.


    After the installation and debugging of our company's technicians and installation personnel, the tourist area has successfully realized the remote video monitoring of ultra-long distance image transfer WiFi module, and the scenic spot management personnel are very satisfied with the monitoring project. After the implementation of the wireless transmission project, the management personnel of the tourism area can improve and facilitate the management of all aspects of the scenic spot monitoring points.


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