Multi-connected multi-functional heat pump type electric air-conditioning system and working method thereof

An electric air conditioner and working method technology, applied in the direction of electric vehicles, circuits, electrical components, etc., can solve the problems of low energy efficiency, long time, poor defrosting effect, etc., and achieve cooling/heating, good cooling/heating, The effect of short defrosting time

CN106985632AActive Publication Date: 2017-07-28NANJING XIEZHONG AUTO AIRCONDITIONER CO CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2017-07-28

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Abstract

The invention discloses a multi-connected multi-functional heat pump type electric air-conditioning system and a working method thereof. The air-conditioning system comprises an electric compressor, an out-of-vehicle heat exchanger, a vapor-liquid separator, an in-vehicle heat exchanger, a battery cooler, a vehicle-mounted storage battery, a battery cooler water pump, an electronic expansion valve, an electromagnetic valve, a water tank, a low-temperature cooler water pump, two-position three-way valves, a low-temperature cooler, an out-of-vehicle heat exchanger fan and an in-vehicle heat exchanger fan. According to the air-conditioning system, the year-round operating work condition of an electric vehicle can be well dealt, the in-vehicle heat exchanger and the battery cooler can serve as an evaporator and a condenser according to the needs of the operating work condition, the out-of-vehicle heat exchanger can decide to serve as the evaporator or the condenser in an automatically-matched mode according to the heat load, and heating or cooling of a battery can also be met while the in-vehicle refrigerating or heating requirements are met.
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Description

technical field

[0001] The invention relates to a heat pump type electric vehicle air conditioning system, in particular to a multi-connected multifunctional heat pump type electric vehicle air conditioning system and its working method. Background technique

[0002] Electric vehicles overcome the fossil fuel dependence and environmental protection problems of fuel vehicles. They have diversified energy utilization, are quiet and pollution-free, and represent the development trend of future automobiles. Electric vehicles do not use engine waste heat, so heat pump air conditioning systems are required.

[0003] Traditional heat pumps have the following problems:

[0004] 1. The year-round operating conditions of electric vehicles are complex, and traditional heat pumps cannot cope well with such complex conditions of year-round operation. As the air-conditioning system of the electric vehicle air conditioner, the heat pump is responsible for not only the air conditioning in...

Examples

Embodiment Construction

[0035] The present invention will be further explained below in conjunction with the accompanying drawings.

[0036] Such as figure 1 As shown, a multi-connected multifunctional heat pump electric air conditioning system of the present invention includes an electric compressor 1, an external heat exchanger 2, a gas-liquid separator 3, an internal heat exchanger 4, and a battery cooler 5 , vehicle battery 6, battery cooler water pump 7, electronic expansion valve a8, electronic expansion valve b9, solenoid valve a10, solenoid valve b11, solenoid valve c12, solenoid valve d13, solenoid valve e14, solenoid valve f15, water tank 16, cryogenic cooling Water pump 17, two-position three-way valve a18, two-position three-way valve b19, low temperature cooler 20, exterior heat exchanger fan 21 and interior heat exchanger fan 22.

[0037] The exhaust port of the electric compressor 1 is respectively connected to one end of the solenoid valve a10, the solenoid valve c12 and the solenoid...