Solar Collector is the most important part in a Solar Water Heating System, which is the component to absorb sunlight and transit heat to the water tanks. There are many type of solar collectors, Vacuum Tube Solar Collectors, Heat Pipe Solar Collector , U-pipe solar collector and Flat Plate Solar Collector. And solar collector is also devided to Pressurized Solar Collector and non-pressurized (open loop) solar collector.
The efficiency and temperature range of different solar collector is different, client can choose solar collector according to different requirement.
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The working principle and classification of smart socket
[ Pacific Security Network News ]
For modern smart homes, smart sockets are an indispensable part of the family. Have you ever thought of this, when you are still at work, if you can turn your home air conditioner forward, you can enjoy it when you get home. How cool is the feeling. Nowadays, there is such a smart socket, through which you can control the electrical switch at home anytime and anywhere, want to know immediately?
How smart sockets work:
The smart socket is a new type of safety socket that integrates one-way programmable (PLC) automatic control safety and energy-saving converter and electrical intelligent standby power-saving socket. Its working principle is: the infrared power is used to turn on the power, and the electrical appliance starts to use normally. By automatically inserting the smart IC chip into the socket to automatically detect the current change, the appliance standby and automatic power off after a period of time (30s, 5 minutes, 30 minutes, etc.) can completely eliminate the standby energy consumption problem.
In addition, the smart socket is equipped with lightning protection, anti-high voltage, anti-overload and anti-leakage functions. The smart socket can automatically absorb the lightning induction high voltage. If the lightning induction high voltage exceeds the range that the socket itself can absorb, the socket will automatically power off; the smart socket is set to the rated voltage of 220V, and the highest withstand voltage is between 250V and 265V. Automatic power off; smart socket uses electronic coil to monitor the live line in real time. Once overload and leakage occur, the socket will automatically power off.
Types of smart sockets:
The main function of smart sockets is energy saving and environmental protection. According to their respective priorities and designs, they can be roughly divided into the following three types:
1. Metering socket: It can intuitively reflect the operating power, current, voltage and other information of the electrical appliance on the socket. However, only the user can know the power consumption of the appliance, and the user with certain professional knowledge can analyze and discover whether the appliance consumes power according to the measurement result;
2, timing socket: can control the use of electrical appliances in a specific period of time, to a certain extent reduce the energy waste in idle time, but the actual power consumption period is not fixed, once the situation changes, need to be re-set, inconvenient to use;
3, remote control socket: need to be equipped with a dedicated remote control, the cost is high, many users are difficult to accept.