Guide: With the development of network information technology, network transmission is no longer restricted by environment and geography. The video image can be transmitted and stored remotely in real time by using broadband such as ADSL. In the sewage treatment industry, because the monitoring points such as the sewage pool are generally distributed far away from the factory office, these monitoring points can be derived through the network of LAN, fiber optics, etc., which is easy for general enterprises to solve.
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I. Project Overview
With the development of network information technology, network transmission is no longer restricted by environment and geography. The video image can be transmitted and stored remotely in real time by using broadband such as ADSL. In the sewage treatment industry, because the monitoring points such as the sewage pool are generally distributed far away from the factory office, these monitoring points can be derived through the network of LAN, fiber optics, etc., which is easy for general enterprises to solve. The design idea in the video surveillance system of the sewage treatment plant is mainly to connect the video image and the audio and control signals to the network video server, which is encoded and compressed and transmitted to the central computer room of the water management office through the network.
Second, system requirements
A sewage treatment plant in Suzhou City, as a pilot project for monitoring burglar alarms in the city, requires:
1. The video, audio, control and anti-theft alarm signals of the sewage treatment plant are uploaded to the central computer room of the water conservancy management office.
2, monitoring is divided into four ways:
First, outdoor cloud mirror control points: one network camera in the primary sinking pool and the biological pool; two cameras in the second sinking pool.
Second, outdoor fixed point: a coarse grille, a fine grille, a swirling grit chamber, and a camera for each gate of the factory.
Third, the indoor cloud mirror control point: one network camera in the blower room and the chlorination room; two cameras in the water returning room and the dehydrating machine.
Fourth, indoor fixed point: one camera for power station, mud pump room, return pump room, sludge pump room and control room.
Third, the function is achieved
1. System connection diagram
System connection diagram
2. Front-end main equipment:
3. First, cloud mirror control point equipment: color to black and white integrated camera (220 times zoom, TV480 line, low illumination); global pan/tilt (built-in decoder, up and down 90 degrees, horizontal 350 rotation).
Second, fixed point equipment: color camera + lens (TV480 line, low illumination), gun-type protective cover.
4. Transmission method:
The analog signal transmitted by the network camera is transmitted to the control room through the video line, and the control signal of the twisted pair transmission cloud mirror is transmitted to the control room to access the network video server. The LAN is formed in the factory through the switch, and the control personnel, the leader and the person in charge can be controlled. Monitor plant conditions in real time through an internal LAN. Introduce ADSL, bind the dynamic IP address through the domain name, and the central office and leader of the Water Management Office can monitor the situation in the sewage treatment plant through the external network.
5. Control room:
It is mainly composed of video servers, switches, cabinets, display walls, ONSEE monitoring hosts, and pickups.
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