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Battery pack heating system for full electric vehicle and control method of battery pack heating system

A heating system, pure electric vehicle technology, applied in battery/fuel cell control devices, electric vehicles, secondary batteries, etc., can solve the problems of long charging time at low temperature, low temperature performance attenuation, insufficient power, etc., to achieve convenient operation, Effective heating and low cost effect

Active Publication Date: 2017-12-08
FAW VOLKSWAGEN AUTOMOTIVE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Domestic pure electric vehicles generally use air-cooled large-capacity battery packs without heating function. These problems cannot be effectively improved if the cold battery pack has no heating function

Method used

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  • Battery pack heating system for full electric vehicle and control method of battery pack heating system
  • Battery pack heating system for full electric vehicle and control method of battery pack heating system
  • Battery pack heating system for full electric vehicle and control method of battery pack heating system

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] It should be noted that terms such as "first", "second", "component one", "component two", "step A", "step a" are used for descriptive purposes only, and should not be understood as indicating or implying relative Significance or implicitly indicates the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may expressly or ...

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Abstract

The invention discloses a battery pack heating system for a full electric vehicle and a control method of the battery pack heating system, and belongs to the technical field of full electric vehicles. The system comprises an electric drive system pipeline, a first heating circulation loop, and a battery pack system internal circulation loop, wherein an electric drive system is used for providing a driving force for the whole vehicle, the electric drive system pipeline is communicated with a circulation pump I, a valve I and a radiator to form a cold circulation loop; the first heating circulation loop is formed through communication of a cold circulation loop branch entrance, a circulation pump II, a valve II, a heat exchanger, and a cold circulation loop branch exit; the battery pack system internal circulation loop is formed through communication of a battery pack system pipeline and the heat exchanger. The battery pack heating system guarantees that a battery pack keeps a relatively appropriate temperature, the performance of a battery pack system is guaranteed, the excellent effects of reasonably utilizing the energy in the vehicle and saving the energy are reached, and the battery pack heating system can be widely applied to the related technical field of heating of a large-capacity battery pack, particularly the battery pack of the full electric vehicle.

Description

technical field [0001] The invention relates to the technical field of pure electric vehicles, in particular to a battery pack heating system for pure electric vehicles and a control method thereof. Background technique [0002] With the depletion of global oil resources and strict national emission regulations, electric vehicles are increasingly valued by major domestic vehicle manufacturers because they use renewable electric energy resources and are clean and pollution-free. Major OEMs are competing to invest huge manpower and material resources in the research and development of hybrid electric vehicles, pure electric vehicles, plug-in hybrid electric vehicles, etc., but due to the high technical threshold of hybrid electric vehicles and plug-in hybrid electric vehicles, pure electric vehicles are As a direction for domestic automakers to overtake on curves, a large number of pure electric vehicles have emerged in the domestic auto market. [0003] Domestic pure electri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/613H01M10/615H01M10/625H01M10/6563H01M10/6568H01M10/663B60L11/18
CPCH01M10/613H01M10/615H01M10/625H01M10/6563H01M10/6568H01M10/663B60L58/26B60L58/27Y02T10/70Y02E60/10
Inventor 陈瑞恒徐淑军刘经文姜程科梁洋
Owner FAW VOLKSWAGEN AUTOMOTIVE CO LTD
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