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Vehicle battery temperature adjusting method and system and vehicle

A battery temperature adjustment and battery temperature technology, applied in the field of vehicles, can solve problems such as reducing the battery life of the whole vehicle

Inactive Publication Date: 2019-12-10
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it will reduce the endurance of the vehicle

Method used

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  • Vehicle battery temperature adjusting method and system and vehicle
  • Vehicle battery temperature adjusting method and system and vehicle
  • Vehicle battery temperature adjusting method and system and vehicle

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Embodiment Construction

[0086] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0087] figure 1 As shown in FIG. 1 , is a flow chart of a method for adjusting the temperature of a vehicle battery according to an embodiment of the present disclosure. Such as figure 1 As shown, the method includes:

[0088] In S11, the battery temperature is obtained. Wherein, the temperature of the battery can be detected by a temperature detection device.

[0089] In S12, when the braking resistor is in the feedback energy discharge process, if the battery temperature is lower than the lower limit of the battery operating temperature range, the cooling circuit of the braking resistor is connected to the heating circuit of the battery, and forms a Co...

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Abstract

The invention relates to a vehicle battery temperature adjusting method and system and a vehicle. The method comprises the steps that the battery temperature is acquired; and when a braking resistor is in a feedback energy releasing process, if the battery temperature is lower than the lower limiting value of a battery work temperature interval, a cooling loop of the braking resistor is connectedinto a heating loop of a battery, and a cooling liquid circulating loop is formed by the cooling loop and the heating loop to heat the battery. According to the technical scheme, electricity generatedby feedback power in the vehicle braking process is consumed through the braking resistor, the braking performance of the vehicle is guaranteed, and meanwhile the battery can be heated through the heating quantity of the braking resistor; and therefore consumption of the electric quantity of the battery can be effectively reduced when the battery is heated, the utilization rate of the vehicle braking feedback energy is increased, and the endurance ability of the vehicle is improved.

Description

technical field [0001] The present disclosure relates to the field of vehicles, in particular, to a method, system and vehicle for regulating temperature of a vehicle battery. Background technique [0002] Vehicle batteries generally have a battery operating temperature range during normal operation. In order to ensure battery performance, it is necessary to control the battery temperature within this temperature range. Therefore, in the prior art, when the temperature of the battery is adjusted, it is necessary to provide cooling and heating equipment to ensure that the temperature of the battery is within the battery working temperature range. For example, in the prior art, when the battery is heated, the electric power of the vehicle battery needs to be consumed to convert electric energy into heat energy to heat the battery. Therefore, the battery life of the whole vehicle will be reduced. Contents of the invention [0003] In order to solve the above problems, the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/26B60L58/27B60L7/10B60T5/00H01M10/615H01M10/625H01M10/6568H01M10/667
CPCB60L7/10B60T5/00H01M10/615H01M10/625H01M10/6568H01M10/667Y02E60/10Y02T10/70
Inventor 梁丰收林超姜昆明刘忠熊明利
Owner BYD CO LTD
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