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Power battery charging and heating system, control method, power battery pack and vehicle

A technology of power battery and heating system, which is applied to secondary batteries, circuits, electrical components, etc., can solve the problems of complex structure of charging and heating devices, and achieve the effects of fast charging, easy application and improved charging performance.

Inactive Publication Date: 2017-11-07
BORGWARD AUTOMOTIVE CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing power battery system is equipped with a charging and heating device, the structure of the charging and heating device is complicated

Method used

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  • Power battery charging and heating system, control method, power battery pack and vehicle
  • Power battery charging and heating system, control method, power battery pack and vehicle
  • Power battery charging and heating system, control method, power battery pack and vehicle

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Embodiment Construction

[0058] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0059] At the same time, it should be understood that, for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0060] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as any limitation of the invention, its application or uses.

[0061] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the descriptio...

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PUM

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Abstract

The embodiment of the invention discloses a power battery charging and heating system, control method, power battery pack and vehicle. The power battery charging and heating system includes a battery, an anode and cathode of which are connected to two power supply buses, respectively. One power supply bus is provided with a first relay. A first charging interface is connected to a first connection point and a second connection point through two first charging wires and two power supply buses. The first relay is located between the battery and the first connection point. One first charging wire is provided with a second relay. A heater is connected between the two first charging wires or between two power supply buses. A connection wire of the heater and the first charging wires or power supply buses is provided with a heating relay. A detection unit is used for detecting the temperature of the battery. A control unit is connected to the relays and used for opening and closing each relay. According to the embodiment, the power battery can be preheated, and charging performance of the power battery is improved.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, and in particular relates to a power battery charging and heating system and control method, a power battery pack and a vehicle. Background technique [0002] Automobiles are an important means of transportation in modern society, providing people with convenient and comfortable travel services. However, traditional fuel vehicles will produce a large amount of harmful exhaust gas during use and increase the dependence on non-renewable petroleum resources. In recent years, with the continuous strengthening of people's awareness of environmental protection and energy saving, electric vehicles have developed rapidly as an important way to solve problems such as environmental pollution and resource shortage. [0003] The power battery is the power source of electric vehicles. According to the characteristics of the power battery, the charging of the power battery needs to be carried out in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/615H01M10/625H01M10/637
CPCH01M10/615H01M10/625H01M10/637Y02E60/10
Inventor 闫丽娟赵祥日
Owner BORGWARD AUTOMOTIVE CHINA CO LTD
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