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High-efficiency vehicle electric cooling and heating air heat exchange system

A heat exchange system and a technology for vehicles are applied in the field of high-efficiency vehicle electric cooling and heating air heat exchange systems, which can solve the problems of insufficient heating and high discharge temperature of compressors, increase the coefficient of performance of heating and cooling, and improve the heating capacity. , the effect of increased power consumption

Active Publication Date: 2015-10-21
江苏晨宇科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat exchange system of the present invention can effectively solve many problems such as insufficient heating and high exhaust temperature of the compressor under low temperature conditions.

Method used

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  • High-efficiency vehicle electric cooling and heating air heat exchange system
  • High-efficiency vehicle electric cooling and heating air heat exchange system
  • High-efficiency vehicle electric cooling and heating air heat exchange system

Examples

Experimental program
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Effect test

Embodiment 1

[0023] as attached Figure 5As shown, the high-efficiency vehicle electric cooling and heating air heat exchange system described in this embodiment includes a permanent magnet-reluctance vehicle integrated electric compressor 2 with an air supplement function, a four-way reversing valve 3, and a heat exchange system outside the vehicle. 4, in-vehicle heat exchanger 15, liquid storage tank 9 and economizer 20; the exhaust pipe 21 and suction pipe 22 of the integrated electric compressor 2 are connected to the four-way reversing valve, and the in-vehicle heat exchanger 15 One inlet and outlet end of the heat exchanger 4 outside the vehicle is respectively connected to the four-way reversing valve 2 through the external unit pipe 23 of the four-way reversing valve and the internal unit pipe 27 of the four-way reversing valve; The other inlet and outlet of the heat exchanger 4 pass through the electronic expansion valve assembly I7, the high-pressure pipe I24, and the liquid stor...

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Abstract

The invention relates to a high-efficiency vehicle electric cooling and heating air heat exchange system, comprising a scroll electric compressor, an external heat exchanger, an interior heat exchanger and an economizer; the scroll electric compressor has an auxiliary suction port, and the refrigerant liquid After flowing out from the external heat exchanger, it is divided into two paths: the first refrigerant liquid is supercooled after exchanging heat in the economizer, enters the internal heat exchanger after passing through the electronic expansion valve, and is finally electrically compressed by the vortex The second path enters the economizer after passing through the electronic expansion valve, and turns into gas after cooling the first path refrigerant liquid, and finally enters the scroll electric compressor through the auxiliary suction port. The heat exchange system of the present invention can effectively solve many problems such as insufficient heating and excessively high discharge temperature of the compressor under low temperature conditions.

Description

technical field [0001] The invention relates to the technical field of vehicle air conditioners, more specifically, the invention relates to a high-efficiency vehicle electric cooling and heating air heat exchange system. Background technique [0002] Electric vehicle air conditioners must solve the two major problems of cooling and heating. At present, the more popular solutions in the industry mainly include the following two methods: the first is to use the electric compressor cooling system + PTC heating function, such as the attached figure 1 As shown, under the test conditions of ambient temperature 40°C, vehicle interior temperature 27°C, and relative humidity 50%, when the system is stable, it can obtain 1.8kW cooling capacity with 1kW energy consumption; 1kW of energy consumption only obtains 1kW of heating capacity. The second is the heat pump type electric vehicle air conditioning system, such as the attached figure 2 As shown, under the test conditions of amb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B29/00F25B41/06F25B31/02F25B41/31
CPCY02B30/70
Inventor 张亚军
Owner 江苏晨宇科技有限公司
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