Heat pump air conditioning system for electric vehicle
A heat pump air conditioner, electric vehicle technology, applied in vehicle components, air handling equipment, heating/cooling equipment, etc., can solve problems such as insufficient performance, and achieve the effects of improving performance, increasing suction superheat, and improving heat dissipation efficiency
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[0036] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.
[0037] An embodiment of the present invention discloses an electric vehicle heat pump air conditioning system, such as figure 2 As shown, the system includes a heat pump circulation system and an interior air conditioning system.
[0038] The heat pump circulation system includes a compressor 1, an external heat exchanger 2, a gas-liquid separator 6 with heat recovery, an expansion valve 7 for heating, an expansion valve 8 for refrigeration, a refrigeration regenerator 9, and a high-pressure three-way switch Valve 10, lo...
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