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Battery pack heating device and control method

A heating device and heating control technology, which is applied in the direction of battery/fuel cell control devices, secondary batteries, circuits, etc., can solve the problems of low heating efficiency, achieve improved heating efficiency, high compatibility, and solve the problem of low heating efficiency Effect

Active Publication Date: 2020-05-05
CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, an embodiment of the present invention provides a battery pack heating device and a control method to solve the problem of low heating efficiency in the prior art in the indirect heating mode

Method used

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  • Battery pack heating device and control method
  • Battery pack heating device and control method
  • Battery pack heating device and control method

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Embodiment 1

[0083] An embodiment of the present invention provides a battery pack heating device, which is a portable device and can be arranged outside a vehicle. Wherein, the exterior of the vehicle refers to the area outside the shell of the vehicle. Wherein, the vehicles may include, but are not limited to: electric vehicles, electric flying equipment, electric water transport equipment, etc., which are not particularly limited in this embodiment of the present invention. For ease of understanding, taking an electric vehicle as an example, the portable battery pack heating device may be installed under the vehicle, on the roof, in front of the vehicle, or behind the vehicle, etc., which is not limited in this embodiment of the present invention. Considering practicality and aesthetics, etc., it can be placed under the car in a portable manner.

[0084] Please refer to figure 1 , the battery pack heating device 100, comprising:

[0085] The electric energy conversion assembly includ...

Embodiment 2

[0149] Based on the battery pack heating device provided in the first embodiment above, the embodiments of the present invention provide a battery pack heating control method and a computer-readable storage medium.

[0150] The battery pack heating control method can be applied to the battery pack heating device described in the first embodiment, and executed in the heating control module.

[0151] The battery pack heating control method provided by the embodiment of the present invention includes:

[0152] Controlling the on-off state of the first switch group and the on-off state of the second switch group, so that at least one heating sub-cycle is performed during the heating process of the battery pack until a preset heating condition is reached;

[0153] Among them, the control method of each heating sub-cycle can refer to Image 6 , the method includes the following steps:

[0154] S602, controlling the first switch group to be closed and the second switch group to be ...

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Abstract

Embodiments of the present invention provide a battery pack heating device and a control method. In the embodiment of the present invention, the heating device for the battery pack is installed outside the vehicle in a portable manner, and includes: an electric energy conversion assembly, including an energy storage device, a first switch group, and a second switch group; a heating interface, the heating interface passes through the first A switch group is connected with the energy storage device to form a first heating circuit, and the heating interface is connected with the energy storage device through the second switch group to form a second heating circuit, and the heating interface is used for connecting with a The battery pack of the vehicle is connected; the heating control module is used to control the direction of electric energy transfer between the battery pack and the energy storage device. Therefore, the technical solutions provided by the embodiments of the present invention can solve the problem of low heating efficiency existing in the indirect heating method in the prior art.

Description

【Technical field】 [0001] The invention relates to the technical field of batteries, in particular to a battery pack heating device and a control method. 【Background technique】 [0002] Intelligence and electrification are one of the important development directions in the field of intelligent transportation, especially in the field of electrification. With the advancement of materials and technologies, the energy density of battery packs is getting higher and higher, and vehicles are also using various types of batteries. As an energy source, compared with traditional vehicles that mainly use fossil fuels as energy sources, more and more modern vehicles use battery packs represented by lithium batteries as energy sources. The research data shows that in the environment of minus 30 degrees, the charge and discharge performance of the battery pack is basically zero, so the study of the battery pack is very important to improve the adaptability of the vehicle to the environment...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/615H01M10/625
CPCH01M10/615H01M10/625B60L58/27H01M10/6571Y02E60/10Y02T10/70Y02T10/7072Y02T90/12Y02T90/14B60L53/16B60L53/62
Inventor 侯贻真但志敏张伟左希阳吴兴远朱涛声
Owner CONTEMPORARY AMPEREX RUNZHI SOFTWARE TECH LTD NINGDE CITY
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