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Heat management method and device

A heat management and power battery technology, applied in the field of heat management, can solve the problems that power batteries cannot achieve better energy conversion efficiency, single power battery temperature management, etc., and achieve the effect of high energy conversion efficiency and large discharge capacity

Active Publication Date: 2019-08-27
HUATING HEFEI POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, during the driving process of electric vehicles, most of them use a single thermal management method to manage the temperature of the power battery, which leads to the failure of the power battery in the electric vehicle to achieve better energy conversion efficiency.

Method used

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Embodiment Construction

[0043] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0044] Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art w...

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Abstract

Embodiments of the invention provide a heat management method and device, which is applied to a heat management system in an electric vehicle. The heat management method comprises the steps of, when arunning state of the electric vehicle meets a preset condition, obtaining a real-time temperature of a power battery; judging whether the real-time temperature of the power battery is deviated from apreset battery temperature interval or not; when the real-time temperature of the power battery deviates from the preset battery temperature interval, acquiring real-time road condition information and judging whether temperature control operation needs to be performed on the power battery or not according to the real-time road condition information; and if the temperature control operation needsto be performed on the power battery, controlling an air conditioning system to perform the temperature control operation on the power battery, so that the battery temperature of the power battery falls into the battery temperature interval. The energy conversion rate of the power battery can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of thermal management, in particular, to a thermal management method and device. Background technique [0002] At present, during the driving process of electric vehicles, a single thermal management method is mostly used to manage the temperature of the power battery, resulting in the failure of the power battery in the electric vehicle to achieve better energy conversion efficiency. Contents of the invention [0003] To improve one of the above problems, embodiments of the present application provide a thermal management method and device, details are as follows. [0004] On the one hand, an embodiment of the present application provides a thermal management method, which is applied to a thermal management system in an electric vehicle. The electric vehicle also includes a power battery and an air conditioning system. The method includes: [0005] acquiring the real-time temperature of the pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/635H01M10/613H01M10/615H01M10/663B60L58/24
CPCB60L58/24H01M10/613H01M10/615H01M10/635H01M10/663Y02E60/10Y02T10/70
Inventor 汪秀山袁承超劳力马俊峰王扬周鹏
Owner HUATING HEFEI POWER TECH
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