lithium 3400mah 3.7v 18650 battery.Analyzing electric vehicle thermal management systems

　　Compared with traditional vehicles, the temperature control systems of electric vehicles are becoming more and more complex and the requirements are getting higher and higher. Among them, the refrigeration system and the heating system are still large consumers of electricity in electric vehicles, especially the heating system. When the PTC heater is turned on during winter driving, almost one-third of the electricity is used for heating, which will seriously affect the cruising range.

　　The temperature control system is an integral part of the vehicle. It not only provides a comfortable driving environment for drivers and passengers, but also effectively ensures that certain parts work normally and efficiently.

　　The temperature control system, as the name suggests, is the vehicle temperature control system, also known as the vehicle thermal management system. Its main function is to control and regulate the internal temperature of the vehicle and the working environment temperature of the components to ensure that the components can work normally and provide the occupants with Comfortable riding environment.

　　For traditional gasoline vehicles, the temperature control system mainly includes the air conditioning system and the engine cooling system, and the two systems are relatively independent. I won’t go into too much detail here, but here are two pictures for you to review and deepen the impact.

　　Air conditioning, refrigeration and heating system

　　For pure electric vehicles, according to the operating temperature requirements of each component, the following are generally designed: air conditioning and refrigeration systems, heating systems, motor cooling systems and battery temperature control systems.

　　The air conditioning and refrigeration system is similar to that of a traditional car, using an electric compressor instead of a traditional compressor (driven by the engine). It mainly includes electric compressors, condensers, liquid storage tanks, expansion valves, evaporators, cooling fans, blowers and other components.

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