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Battery pack heat exchange system and electric vehicle

A heat exchange system and battery pack technology, applied in electric vehicles, electric vehicle charging technology, batteries, etc., can solve the problems of unfavorable single battery temperature uniformity control, poor cooling/heating effect, etc., to improve the uniformity of temperature distribution , good heat exchange effect, guarantee the effect of cruising range

Inactive Publication Date: 2018-06-15
SHANGHAI HUAPU AUTOMOBILE CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a battery pack heat exchange system to solve the poor cooling / heating effect existing in the prior art, and when the ambient temperature is too low or too high, it is not conducive to the temperature uniformity among the single batteries control technical issues

Method used

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  • Battery pack heat exchange system and electric vehicle
  • Battery pack heat exchange system and electric vehicle
  • Battery pack heat exchange system and electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] figure 1 Schematic diagram of the structure of the battery pack heat exchange system provided in Embodiment 1 of the present invention; figure 2 It is a structural schematic diagram of the first viewing angle of the heat exchange device 100 in the battery pack heat exchange system provided by Embodiment 1 of the present invention; image 3 It is a schematic structural diagram of the second viewing angle of the heat exchange device 100 in the battery pack heat exchange system provided by Embodiment 1 of the present invention.

[0039] Such as figure 1 As shown, a battery pack heat exchange system is provided in this embodiment, and the battery pack heat exchange system includes a plurality of heat exchange devices 100, a main water inlet pipe 200 and a main water outlet pipe 300;

[0040] A plurality of heat exchange devices 100 are provided in one-to-one correspondence with a plurality of batteries in the battery pack;

[0041] Each of the heat exchange devices 100 ...

Embodiment 2

[0064] Figure 4 A schematic structural diagram of a battery pack heat exchange system provided in another embodiment 2 of the present invention; Figure 4 As shown, the battery pack heat exchange system provided in this embodiment is a further improvement on the battery pack heat exchange system provided in Example 1, and the technical solution described in Example 1 also belongs to this embodiment.

[0065] Specifically, as Figure 4 As shown, a battery pack heat exchange system is provided in this embodiment, and the battery pack heat exchange system includes a plurality of heat exchange devices 100, a main water inlet pipe 200 and a main water outlet pipe 300;

[0066] A plurality of heat exchange devices 100 are provided in one-to-one correspondence with a plurality of batteries in the battery pack;

[0067] Each of the heat exchange devices 100 includes a water inlet 110 and a water outlet 120; a plurality of the water inlets 110 are connected to the main water inlet p...

Embodiment 3

[0075] This embodiment provides an electric vehicle, the electric vehicle includes the battery pack heat exchange system described in Embodiment 1 or Embodiment 2, which improves the uniformity of temperature distribution between the single cells and ensures that the battery is at the optimum temperature. Working within the temperature range, thus ensuring the cruising range, safety and life of the electric vehicle.

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Abstract

The present invention provides a battery pack heat exchange system and an electric vehicle, pertaining to the technical field of new energy sources. The battery pack heat exchange system comprises multiple heat exchange devices, a total water inlet pipe and a total water outlet pipe. The multiple heat exchange devices are arranged corresponding to multiple batteries in a battery pack one by one, and each heat exchange device comprises a water inlet and a water outlet. The multiple water inlets are all connected with the total water inlet pipe, and the multiple water outlets are all connected with the total water outlet pipe, so that the multiple heat exchange devices are connected in parallel. Each heat exchange device is arranged under each single battery, the multiple heat exchange devices are connected in parallel, and when the heat exchange is needed, each heat exchange device performs heat exchange independently, so that the mutual contamination between the heat exchange devices is reduced, and the heat exchange of the battery pack is more even. The electric vehicle comprises the battery pack heat exchange system. The battery pack heat exchange system and the electric vehiclecan solve the technical problem of uneven temperature control among single batteries in the battery pack.

Description

technical field [0001] The invention relates to the field of new energy technologies, in particular to a heat exchange system for a battery pack and an electric vehicle. Background technique [0002] Although the electric vehicle industry has developed rapidly in recent years, there are still major hidden dangers behind it, among which problems such as insufficient cruising range of electric vehicles, poor user experience in summer / winter extreme weather, and insufficient lifespan are still prominent. To solve the above problems, it is necessary to focus on the perspective of the battery system. [0003] As one of the most important components of the battery system, the thermal management system's performance is closely related to the mileage, safety performance and service life of electric vehicles. Due to the particularity of existing lithium batteries, their use (discharge) range is generally limited to -20 to 60°C (except for batteries for special applications), and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/615H01M10/617H01M10/625H01M10/6556H01M10/6567H01M10/6568B60L11/18
CPCB60L58/26B60L58/27H01M10/613H01M10/615H01M10/617H01M10/625H01M10/6556H01M10/6567H01M10/6568H01M2220/20Y02E60/10Y02T10/70Y02T90/16
Inventor 刘夺叶邦斌汪小云杨建国许俊
Owner SHANGHAI HUAPU AUTOMOBILE CO LTD
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