Electric vehicle air conditioner using vacuum reducer valve (VRV) system
A technology for electric vehicles and air conditioners, which is applied in heating and ventilation control systems, heating and ventilation safety systems, and applications. The effect of reducing consumption
Inactive Publication Date: 2011-06-01
李静
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Problems solved by technology
[0004] In order to overcome the disadvantages of the existing automobile air conditioner, such as high energy consumption under low load conditions, low service life of batteries, and high operating costs, the present invention provides a method that reduces energy consumption under low load conditions, prolongs service life of batteries, and reduces operating costs. Cost of electric vehicle air conditioner using VRV system
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[0019] The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.
[0020] refer to figure 1 and figure 2 , an electric vehicle air conditioner using a VRV system, comprising a single-unit refrigeration system, the single-unit refrigeration system includes a condenser assembly, a throttling device, and an evaporator assembly, and the low-temperature and low-pressure outlet of the condenser assembly passes through a throttle The flow device is connected to the evaporator assembly, and the single-unit refrigeration system also includes at least two electric compressors operating in parallel, wherein at least one electric compressor is a variable frequency electric compressor, and there is a Oil equalizing pipe, the exhaust pipe of each electric compressor is provided with a one-way valve, the one-way valve is connected with the high temperature and high pressure interf...
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The invention relates to an electric vehicle air conditioner using a vacuum reducer valve (VRV) system. The electric vehicle air conditioner comprises a single unit refrigeration system, wherein the single unit refrigeration system comprises a condenser assembly, a throttling device, an evaporator assembly and at least two electric compressors; the low temperature and low pressure outlet of the condenser assembly is connected with the evaporator assembly through the throttling device; the electric compressors are operated in parallel, and at least one electric compressor is a variable frequency electric compressor; equalized oil pipes are arranged among all the electric compressors; a check valve is arranged on an exhaust pipe of each electric compressor; the check valve is connected with an high temperature and high pressure interface of the condenser assembly; and the exhaust pipes and air suction pipes of all the electric compressors are provided with unloading valves. The invention provides the electric vehicle air conditioner using the VRV system, which reduces the energy consumption, prolongs the service life of a storage battery and lowers operating cost under the condition of low load.
Description
technical field [0001] The invention relates to an electric vehicle air conditioner. Background technique [0002] Most of the existing passenger car air conditioners are single-unit or multi-unit top-mounted passenger car air conditioners, which adopt an independent refrigeration system. Evaporator cores, compressors, throttling devices and electrical control systems. The condenser assembly and evaporator assembly of the roof-mounted passenger car air-conditioning system are generally split, and the high-power motor drives the open-type compressor and generator. The compressor and generator are installed on the chassis of the electric bus. The condenser assembly and evaporator assembly of the roof-mounted passenger car air conditioner are installed on the roof and connected by pipes in the middle. With the innovation of technology, the integrated top-mounted electric air conditioner that appears in electric passenger cars requires that the entire air conditioner be arrang...
Claims
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IPC IPC(8): F25B7/00F25B31/00F25B41/06F24F11/00
CPCY02B30/72Y02B30/70
Inventor 李静
Owner 李静