Two-stage compressed vehicle air conditioner system and control method thereof
An automobile air-conditioning system and two-stage compression technology, which is applied in the field of the whole vehicle system, can solve the problems of poor cooling effect, poor air-conditioning effect, and insufficient cooling capacity to meet the needs of cooling in the car, and achieve the effect of improving cooling efficiency and saving energy.
Active Publication Date: 2018-09-11
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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Problems solved by technology
[0003] The air conditioning compressor of a traditional diesel car is driven by the engine. When the engine speed is constant, the cooling capacity of the air conditioning system is constant. As the temperature rises, the cooling effect becomes worse, the cooling capacity of the air-conditioning system cannot meet the cooling needs of the car, and the subjective feeling is that the air-conditioning effect is poor
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[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0020] Such as figure 1 As shown, the embodiment of the present invention provides a two-stage compression automotive air-conditioning system, including a condenser 1, a dry filter 2, a first control valve 3 and an evaporator 4 connected in sequence through pipelines, wherein the The two-stage compression automotive air-conditioning system also includes: a two-stage compressor 5 , a flash evaporator 6 , a second control valve 7 , an environment sensor 8 and a controller 9 . Preferably, both the first control valve 3 and the s...
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The invention discloses a two-stage compressed vehicle air conditioner system and a control method thereof. In an existing vehicle air conditioner system, a two-stage compressor is used, an environment sensor signal is obtained through a controller, and the work state of the vehicle air conditioner system is changed. When the external environment temperature is too high and sunlight load outside avehicle is too large, the vehicle air conditioner system is in a second state, and the refrigeration efficiency is improved; when the external environment is in a normal state, the vehicle air conditioner system is in a first state, and energy can be saved. According to the vehicle air conditioner system, the signal of the environment sensor is obtained by utilizing the controller, the work states of a first control valve and a second control valve are changed, and the refrigeration efficiency and driving comfort level are improved.
Description
technical field [0001] The invention relates to the technical field of vehicle systems, in particular to a two-stage compression automotive air-conditioning system and a control method thereof. Background technique [0002] The automobile air conditioner has the function of cooling and cooling the cab. The main principle is that the refrigerant is driven by the compressor and in a closed system composed of compressors, condensers, evaporators, throttle valves, pipelines and other components. Do circular motions. Driven by the fan, the hot air in the cab exchanges heat with the refrigerant inside the evaporator, thereby reducing the temperature of the hot air and achieving the cooling effect. [0003] The air conditioning compressor of a traditional diesel vehicle is driven by the engine. When the engine speed is constant, the cooling capacity of the air conditioning system is constant. As the temperature increases, the cooling effect becomes worse, and the cooling capacity...
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IPC IPC(8): B60H1/00B60H1/32
CPCB60H1/00735B60H1/0075B60H1/3205Y02T10/88
Inventor 戴楠杜士云钟凌陈炳
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD