Solar Energy Monitoring System
Solar wireless monitoring system is mainly composed of three subsystems: solar power supply system, wireless video transmission system and video monitoring system.
Solar power supply subsystem is composed of solar modules, wind turbines, colloidal batteries, intelligent charge and discharge controllers, while wireless video transmission subsystem is composed of digital bridge, 3G/4G wireless network, COFDM and so on. Video surveillance subsystem is composed of camera, terminal video management equipment (such as digital hard disk recorder). Other auxiliary functions such as front-end pickup, front-end speaker, front-end video recording, front-end sensing, video analysis, wireless broadcasting, mobile detection, wireless signal relay station can be added as needed.
The system is mainly composed of solar modules, wind turbines, colloidal batteries, intelligent controllers and so on. Solar modules and wind turbines convert light energy into electricity, which is stored into batteries (charging) through the control of a wind-solar complementary intelligent controller. When power is needed, the controller switch is turned on to turn on the load, and the energy in the batteries is supplied to the load (discharging). The main function of intelligent controller is to manage the charge and discharge of storage battery. When the power supply of storage battery is insufficient in working time, the controller automatically cuts off the load and protects the storage battery from over-discharge. When the storage battery is continuously charged, the controller protects the storage battery from over-charge.
Solar power generation is the main source of the working energy of the whole system. The size of solar modules depends on the power consumption of the load equipment. Wind power usually plays an auxiliary role in power supply. Wind power generators will play an important role in continuous rainy days to ensure uninterrupted power supply to the controller, thus avoiding the paralysis of power supply system in long rainy days.
Battery is the energy source needed to maintain the system in the absence of sunshine. When continuous rainy days occur, it is necessary for the battery to have enough power to maintain the continuous operation of the whole system. Because of the high price of solar colloidal battery, the battery configuration of the system can not be increased because of considering several long rainy days in a year, so that most of the time of the system. In the interior, the battery configuration is in a wasteful state. Over-allocation of batteries will inevitably lead to a substantial increase in costs. Therefore, the solar power supply application system should allow the occurrence of low probability of power shortage.
Solar energy control system has many advantages, such as environmental protection and energy saving, no trench digging or erection of power grids, no large number of wires, no power transmission and transformation equipment, short construction period, no consumption of electricity, no generation of electricity charges, no geographical location restrictions, low maintenance costs, low voltage, no electric shock hazard and flexible movement.
At present, there are three kinds of data transmission modes suitable for solar energy monitoring, one is the microwave network based on wireless bridge, the other is the 3G/4G network based on wireless platform operators, and the third is wired transmission. It can be selected according to the actual situation and needs. Generally speaking, wireless monitoring is suitable for areas without or less occlusion.
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