A battery system and electric vehicle

A battery system and battery technology, applied in the direction of electric vehicles, battery/battery traction, batteries, etc., can solve problems such as unbalanced output current distribution, achieve the effect of solving circulating current and uneven current, small calculation amount, and high precision

Active Publication Date: 2020-08-28
ZHEJIANG GEELY HOLDING (GROUP) CO LTD +2
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a battery system and an electric vehicle, which solves the problem of unbalanced output current distribution of each battery branch of the battery system

Method used

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  • A battery system and electric vehicle
  • A battery system and electric vehicle
  • A battery system and electric vehicle

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0016] It should be noted that like numerals and let...

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Abstract

The embodiment of the invention provides a battery system and an electric vehicle, and relates to the technical field of battery application. The battery system comprises at least two battery branchesand a controller, wherein each battery branch comprises a battery and a regulating unit, each battery branch is connected in parallel with each other, the battery in each battery branch is connectedin series with the regulating unit in each battery branch, and the controller is electrically connected with the regulating unit in each battery branch; The controller is used for regulating the resistance value of the regulating unit in each battery branch according to a pre-established mathematical model, thereby regulating the output current of each battery branch. The battery system and the electric vehicle provided by the embodiment of the invention can solve the problem that the output current distribution of each branch of the battery system is unbalanced.

Description

technical field [0001] The invention relates to the technical field of battery application, in particular to a battery system and an electric vehicle. Background technique [0002] With the rapid development of the new energy automobile industry, higher requirements are put forward for the high-voltage power battery technology used in automobiles. The operating conditions of new energy vehicles are complex, and the power demand varies widely. In order to obtain a battery combination with a large capacity, the battery is generally connected in parallel, that is, multiple batteries are connected in parallel to increase the battery capacity. However, in practical applications, when the batteries are used in parallel, circulating currents and uneven currents will occur, which will cause significant damage to the batteries. Contents of the invention [0003] The object of the present invention is to provide a battery system and an electric vehicle, which solves the problem of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M10/42B60L58/10B60L50/60G05B13/04
CPCG05B13/042H01M10/4207H01M10/425H01M2010/4271H01M2220/20Y02E60/10Y02T10/70
Inventor 齐军刘小德
Owner ZHEJIANG GEELY HOLDING (GROUP) CO LTD
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