Shenzhen Yungan IOT forest fire prevention system is a comprehensive application system which takes forest fire prevention information as the core, geographic information as the basis, mature transmission technology, IP technology, network video system and digital positioning technology, and integrates scenic area information management, fire prevention information management and ecological construction management to serve forest fire prevention and other forestry work.
Forest fire prevention system is mainly composed of video acquisition system, video transmission system, power supply system, lightning protection system, fire point early warning system, fire point accurate positioning system, auxiliary decision-making system, Beidou positioning system, meteorological information acquisition system, scenic spot geographic information system and so on.
1, video acquisition system: generally set in the commanding heights of forest fire watchtowers. Including all-weather far-infrared thermal imaging lens, 1080P visible high-definition fog-penetrating camera, telephoto zoom fog-penetrating lens, field of view shield, automatic temperature control system, etc. The front-end acquisition equipment is responsible for all-weather automatic scanning of forest areas, with various optical sensors. Using the imaging performance of visible light fog-penetrating camera and thermal imaging to overcome the shortcomings of heavy fog and insufficient illumination in forest areas, real-time remote monitoring and early warning of forest vegetation and fire situation and 24-hour dynamic monitoring can provide reliable basis for remote command of forest fire fighting. Conventional use of 33x lens can reach 5km, and 360-degree coverage area is 78.5km2.. PTZ is equipped with an integrated camera system of multi-sensor remote laser night vision monitoring PTZ, which adopts physical image stabilization mode and digital image optimization processing mode to enhance the stability of PTZ and imaging, and the output video monitoring image is clear, stable and snow-free. At the same time, the high standard design of "three defenses" provides absolute guarantee for the safe and stable operation of the system, and it has a national integrated architecture.
2. Transmission system: Video images can be transmitted to the monitoring center through microwave digital transmission and other ways. Short construction period and low cost.
3. Monitoring Center: It can not only obtain comprehensive, clear and multi-screen real-time images that can be recorded and played back, but also operate and control the focal length of the front camera and the movement of the pan/tilt. For the monitoring point where forest fire alarm occurs in the front end, the fire occurrence point can be accurately located through the real-time angle feedback of Yuntai and the latitude and longitude data of GIS system.
4. Design of wind-solar complementary power supply system;
Using solar power generation to solve the power supply problem of scenic monitoring equipment has become the fastest and most effective way, without setting up power lines and paying electricity bills at one time. Power generation is simple, economical, energy-saving and environment-friendly. Moreover, solar power supply is a kind of clean energy without consuming resources, polluting and discharging, with long service life, stable performance and low maintenance cost.
Wind power generation is a cheap renewable energy, and its power generation cost is much lower than other power generation methods, but its power generation is greatly affected by the weather. In order to make up for the shortage of wind power generation, the commonly used method is wind-solar complementary system, which combines wind power generation with solar power generation to meet the needs of system work and life to some extent.
5. System lightning protection
The lightning protection of front-end monitoring points includes direct lightning protection, inductive lightning protection of power supply system, inductive lightning protection of electronic equipment, grounding system and cable shielding; The lightning protection of monitoring center includes direct lightning protection, inductive lightning protection of power supply system, inductive lightning protection of electronic equipment, grounding system, cable shielding and equipotential connection. According to GB50057-94 Code for Lightning Protection Design of Buildings (2000 edition).
6.iron tower
Monitoring the transmission tower of the base station provides the necessary guarantee for the operation of the front-end base station equipment. In order to make the equipment run normally, based on the principle of firmness, reliability and durability, the design of the iron tower follows the Code for Design of High-rise Buildings GB 135-90 and meets the requirements of microwave 5.8G communication. The specific tower height depends on the actual situation.
7. Meteorological information collection system
Automatic weather station system is an unattended meteorological collection system which integrates meteorological data collection, storage, transmission and management. It is widely used in industrial and agricultural production, tourism, urban environmental monitoring and other professional fields. The automatic weather station system consists of three parts: weather sensor, weather data collector and computer weather software. It can simultaneously monitor atmospheric temperature, atmospheric humidity, rainfall, wind speed, wind direction, air pressure, radiation and other meteorological elements; Sensors such as wind speed and direction are special meteorological sensors with high accuracy and reliability.