Forest fires occur in a certain amount every year, resulting in major loss of forest resources and global environmental pollution. Therefore, for the forestry sector, fire prevention is a top priority. Once a fire has occurred, it must be taken at a very rapid rate. If fire fighting is timely, and if the decision is appropriate, it depends on whether the discovery of the forest fire is timely and whether the analysis is accurate and reasonable. Therefore, the realization of standardized, scientific, and informatized forest fire prevention work, and the implementation of the principle of “prevention as the main and active combat†are the primary goals of fire prevention in the forestry sector.
Today, with the rapid development of science and technology, it has become possible to use network intelligence monitoring to help us achieve the dream of fire prevention. We have built a set of highly reliable, high-quality, high-stability, all-weather operation, and we can implement network-wide monitoring and management of the entire network and provide The timely and high-quality maintenance services and the network video surveillance system that ensures the normal operation of the system are the primary choices of our forestry department.
A forest fire monitoring system is a complex system that combines many professions.
1, the monitoring site scattered, equipment installation and debugging difficulties, high costs, the project cycle is difficult to predict;
2. The monitoring site is remotely located, it is difficult to maintain the equipment at the site, and the maintenance personnel have a long time to arrive. The relevant equipment is required to be stable and reliable, and the probability of maintenance is minimized.
3, the system is installed in the field, and has put forward high requirements for waterproof performance, power supply, stability, and construction.
4. It is difficult for video signals to be transmitted to the control center by using a traditional analog video surveillance system transmission medium. The number and cost of such line layout will become astronomical, and it is difficult to overhaul and maintain. Therefore, it is completely wired transmission. A whimsical approach.
5, transmission network bandwidth may not be effectively guaranteed. The theoretical bandwidth provided by the network carrier will generally be discounted in practical applications. The situation depends on the quality of the line, and some areas may not even have communication signals at all. Therefore, using the operator network to solve is also far from attainable.
6, the traditional monitoring system also uses wireless transmission, currently like satellite communications, CDMA and so on. The cost of satellite communications is high and it is not realistic to monitor forest fires;
A new wireless monitoring and transmission solution is needed to solve the transmission problem. The system must meet the requirements of convenient setup, flexible networking, and high system capacity expansion, and it can provide high-speed traffic and ensure high video quality. And do not use the operator's network to reduce subsequent operating costs.
Solution: The use of TCP/IP protocol based wireless LAN transmission, built on the platform, the use of high-speed wireless bridge transmission of high-definition network video signal, the front-end video with high-definition IPCamera acquisition signal with 5.8G high-speed wireless bridge Go back. In the whole process, the factors of occlusion should be considered. For example, some monitoring points and monitoring centers are blocked by certain mountains. Then you can use the cascade transmission method. For example, A is the furthest monitoring point, C is the monitoring center, and points A and C are blocked by the mountain where point B is located. Then the method of cascade transmission is to transmit the signal of point A to Point B and the signal collection at this point continue to return to point C.
The use of wireless local area network video transmission can meet the bandwidth requirements of transmission, and can also transmit signals normally in areas where operators do not have good signal coverage. The system adopts the wireless transmission method, which eliminates the trouble of wiring. The overall equipment consumption is low and the power consumption is not high. It is very suitable for use in the wireless monitoring system for forest fire prevention, and the overall level of monitoring for sudden forest fires is improved. Disposal ability.
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