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A new energy electric vehicle vehicle thermal management system with all-climate multi-mode switching function

A switching function, electric vehicle technology, applied in electric vehicles, air handling equipment, circuits, etc., can solve the problems of high temperature and uneven temperature of power battery packs, and achieve the effect of compact structure

Active Publication Date: 2021-04-20
CHINA UNIV OF MINING & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of excessive temperature and uneven temperature of the power battery pack, and at the same time reduce the energy consumption of the air-conditioning system in the cabin, the present invention provides a new energy electric vehicle thermal management system with full-climate multi-mode switching function

Method used

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  • A new energy electric vehicle vehicle thermal management system with all-climate multi-mode switching function
  • A new energy electric vehicle vehicle thermal management system with all-climate multi-mode switching function
  • A new energy electric vehicle vehicle thermal management system with all-climate multi-mode switching function

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Embodiment 1

[0041] Such as figure 1 As shown, a new energy electric vehicle thermal management system with full-climate multi-mode switching function includes a cooling / heating system with full-climate multi-mode switching function and a battery pack 12;

[0042] The refrigeration / heating system includes an air compressor 1, a four-way reversing valve 2, a gas-liquid separator 3, an expansion valve 4, a heat exchanger 5, a circulating pump 8, a solenoid valve group, a three-way valve group, finned Heat exchanger group and flowmeter 11, described solenoid valve group comprises solenoid valve one 6a, solenoid valve two 6b, solenoid valve three 6c and solenoid valve four 6d, and described three-way valve group comprises three-way valve one 7a, three-way Valve two 7b, three-way valve three 7c and three-way valve four 7d, the fin heat exchanger group includes fin heat exchanger one 9a, fin heat exchanger two 9b, fin heat exchanger three 9c and fin heat exchanger Sheet heat exchanger four 9d, ...

Embodiment 2

[0080] In this embodiment, the internal structure of the ultra-thin baffle 12b-2 is as follows Figure 7 As shown, the arrow in the figure indicates the direction of fluid flow, and the ultra-thin baffle 12b-2 is provided with a number of baffle strips 12b-8 parallel to the overall flow direction of the fluid and arranged alternately at left and right intervals. Same as Embodiment 1.

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Abstract

The invention discloses a new energy electric vehicle thermal management system with full-climate multi-mode switching function, including a cooling / heating system and a battery pack with full-climate multi-mode switching function; the cooling / heating system includes air compression machine, four-way reversing valve, gas-liquid separator, expansion valve, heat exchanger, circulation pump, solenoid valve group, three-way valve group, finned heat exchanger group, battery pack including battery box, pressure equalization split flow compound There are several battery cells in the battery box, and a regenerative active / passive combined liquid temperature control unit is arranged between every two battery cells. The new energy electric vehicle thermal management system of the present invention has multiple working modes, which is convenient for switching under different climatic conditions such as hot and cold, and rationally combines single-phase forced convection heat transfer, solid-liquid phase conversion heat and gas- The multiple advantages of liquid phase conversion heat can meet the requirements of interior temperature regulation and power battery temperature control and temperature uniformity.

Description

technical field [0001] The invention relates to a thermal management system for a new energy electric vehicle, in particular to a thermal management system for a new energy electric vehicle with an all-climate multi-mode switching function, and belongs to the technical field of new energy electric vehicles. Background technique [0002] With the increasingly serious energy crisis and environmental pollution, pure fuel vehicles are no longer the most ideal means of transportation, and countries have successively planned to ban the sale of fuel vehicles. New energy electric vehicles are driven by electricity, and the electric energy can come from renewable clean energy such as solar energy and wind energy, which reduces the consumption of traditional fossil fuels. Therefore, the development of new energy electric vehicles is one of the important measures for the automotive industry to save energy and reduce emissions and achieve sustainable development. one. The further devel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/00B60L58/27B60L58/26H01M10/613H01M10/615H01M10/625H01M10/663
CPCB60H1/00392B60L58/26B60L58/27H01M10/613H01M10/615H01M10/625H01M10/663Y02E60/10Y02T10/70
Inventor 赵佳腾王增鹏饶中浩周寿斌姜庆海吴战宇
Owner CHINA UNIV OF MINING & TECH
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