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Electric automobile air conditioning system and electric automobile

A technology for electric vehicles and air-conditioning systems, applied to vehicle components, air handling equipment, lighting and heating equipment, etc., can solve problems such as commutation delay and inappropriate commutation, improve comfort, solve easy frosting, and improve The effect of comfort

Active Publication Date: 2015-01-14
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide an electric vehicle air-conditioning system for the defects that the existing four-way reversing valve has the deficiencies of the reversing delay and the reversing not in place.

Method used

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  • Electric automobile air conditioning system and electric automobile
  • Electric automobile air conditioning system and electric automobile
  • Electric automobile air conditioning system and electric automobile

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Embodiment Construction

[0031] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] An electric vehicle air conditioning system provided by an embodiment of the present invention includes a refrigerant circulation system and a coolant circulation system.

[0033] The refrigerant circulation system includes a refrigerant return branch of the refrigeration system, and the refrigeration system is used to cool the air in the car under high-temperature refrigeration conditions and normal temperature refrigeration and heating conditions; the refrigerant return branch is used for Under low-temperature heating conditions, the low-temperature and low-pres...

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Abstract

The invention provides an electric automobile air conditioning system in order to overcome the defects that according to an existing automobile air conditioning system adopting a four-way reversing valve, reversing is delayed and is not in place. The electric automobile air conditioning system comprises a refrigerant circulation system and a cooling liquid circulation system. Refrigerants in the refrigerant circulation system flow in the same direction under the working conditions of high-temperature refrigeration, low-temperature refrigeration and normal-temperature refrigeration and heating. Air inside an automobile is heated depending on the cooling liquid circulation system, the refrigerant circulation system is only used for refrigeration, and the refrigerants inside the refrigerant circulation system keep flowing in the same direction under all the working conditions; in this way, the defects that according to the existing air conditioning system, reversing is delayed and is not in place are overcome, it is avoided that due to reversing of the refrigerants, refrigeration or heating is delayed, the comfort of an air conditioner is improved, and the problems that an outdoor heat exchanger is prone to frosting and difficult to defrost are solved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to an electric vehicle air conditioning system and the electric vehicle. Background technique [0002] The traditional electric vehicle air-conditioning system generally adopts the combination of automobile heat pump air-conditioning system or automobile air-conditioning refrigeration system and PTC heating and heating system to realize the cooling and heating function of vehicle air-conditioning. [0003] The Chinese patent application with publication number CN201124749 discloses an automobile air conditioner and cooling system, which realizes the cooling and heating function of the air conditioner by making the air conditioner and the cooling system share an outdoor heat exchanger. Therefore, in high-temperature refrigeration conditions, the heat in the air-conditioning system can be transferred to the cooling system through the outdoor heat exchanger, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B41/00B60H1/32
CPCB60H1/3204F25B41/40
Inventor 黄梅芳聂欢欢叶梅娇陈雪峰
Owner BYD CO LTD
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