A ptc heater and power battery heating and cooling device
A heater and battery pack technology, applied in secondary batteries, circuits, electrical components, etc., can solve the problems of shortened battery life, battery performance degradation, low heating efficiency, etc., achieve good safety and work performance, and solve thermal management Problems, the effect of high heat exchange efficiency
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[0034] see figure 1 , this embodiment proposes a power battery heating and cooling device, mainly including: PTC heater 1, water pump 2, refrigerant tank 3, battery pack liquid cold plate 4, radiator 5, heat exchanger 6, refrigeration compressor 7. Evaporator 8, liquid storage tank 9.
[0035] Among them, the PTC heater 1, the water pump 2, the refrigerant tank 3, and the battery pack liquid cold plate 4 are sequentially connected through pipelines to form a battery heating circulation system. During the battery heating process, the circulation direction of the coolant is: the refrigerant tank 3— >Water pump 2—>PTC heater 1—>Battery pack liquid cold plate 4—>Coolant tank 3.
[0036] Among them, the water pump 2, the cooling liquid tank 3, the battery pack liquid cooling plate 4, and the radiator 5 are connected through pipelines in sequence to form a battery cooling circulation system. During the battery cooling process, the circulation direction of the cooling liquid is: coo...
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