Car air-conditioning system

A technology of automobile air conditioning system and heat pump system, applied in the field of electric automobile air conditioning system, can solve the problems of increased vehicle load, uncomfortable cabin, low heating efficiency, etc., to avoid high and low temperature impact, meet comfort requirements, and improve service life. Effect

Active Publication Date: 2013-06-19
SANHUA HLDG GRP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] However, in the various heating methods mentioned above, if an independent heat source is used, such as purely using PTC for heating, it will consume more battery energy, which will reduce the mileage of the car; if fuel heating is used, not only the heating eff

Method used

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Embodiment approach

[0043] Introduce the second specific embodiment of the present invention below, Figure 6 It is a schematic diagram of the pipeline connection of the second specific embodiment of the present invention. This embodiment is an improvement on the above first specific embodiment. Specifically, a three-way pipe fitting and an electromagnetic three-way valve are respectively arranged at the inlet and outlet of the heat exchanger outside the compartment, such as Figure 6 In the middle, a third electromagnetic three-way valve 28 is set in the pipeline between the exterior heat exchanger 13 and the electromagnetic three-way valve 124, and a third electromagnetic three-way valve 28 is installed in the pipeline between the outlet of the exterior heat exchanger 13 and the electronic expansion valve. A three-way pipeline part 27 is set, and an interface of the third electromagnetic three-way valve 28 is connected with the pipeline coming from the heater 18 and the vapor-liquid separator 1...

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Abstract

A car air-conditioning system comprises a heating component temperature control circuit and a heat pump system with a refrigerant circulation loop. The heating component temperature control circuit and the heat pump system with the refrigerant circulation loop exchange heat through a double passageway heat exchanger. The car air-conditioning system comprises a refrigerating mode, a heating mode and a demist mode. The heat pump system with the refrigerant circulation loop comprises a compressor, a gas-liquid separator, a heater and a cooler, a compartment outer heat exchanger and a throttling component. The heater and the cooler conduct heating, cooling or demisting on the compartment according to working condition requirements in the compartment. The refrigerant passes through the heater after coming out from the compressor, the heater can choose whether to conduct heat exchange, and then the refrigerant flows into the compartment outer heat exchanger. The heater of the heat pump system just passes hot refrigerant, and the cooler just passes the cold refrigerant so as to avoid heat and cold shock and improve service life.

Description

technical field [0001] The invention relates to the technical field of automobile air conditioning, in particular to an electric automobile air conditioning system. Background technique [0002] With the development of low-carbon economy, more stringent requirements are put forward for energy saving and emission reduction. Electric vehicles will become one of the aspects of future automobile development due to their energy-saving and environmental protection features. However, since electric vehicles use batteries as a power source, their air-conditioning systems are also different from the original automotive air-conditioning systems. [0003] With the continuous improvement of the quality of life, people pay more and more attention to the comfort in the car compartment. Traditional internal combustion engine vehicles can use the waste heat of the internal combustion engine and the heat of the engine exhaust to heat the compartment, while the power of electric vehicles main...

Claims

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Application Information

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IPC IPC(8): B60H1/00B60H1/22B60H1/32
Inventor 黄宁杰李雄林
Owner SANHUA HLDG GRP
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