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Vehicle, battery system and detection method thereof

A technology of a battery system and a detection method, applied in the field of vehicles, can solve problems such as high requirements on branch consistency, and achieve the effect of ensuring safe operation

Inactive Publication Date: 2020-01-17
KUNSHAN BAOTRON NEW ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the problem with the related technology is that the batteries connected in series first and then paralleled have higher requirements on the consistency of each branch.

Method used

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  • Vehicle, battery system and detection method thereof
  • Vehicle, battery system and detection method thereof
  • Vehicle, battery system and detection method thereof

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0032] A vehicle, a battery system and a detection method thereof according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0033] figure 1 It is a flowchart of a detection method for a battery system according to an embodiment of the present invention. Among them, such as figure 2 and image 3 As shown, the battery system is provided with at least two battery branches, and the battery branches are connected in parallel with each other.

[0034] Such as figure...

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Abstract

The invention provides a vehicle, a battery system and a detection method thereof. The battery system is provided with at least two battery branches, the battery branches are connected in parallel, and the detection method comprises the following steps of obtaining a first absolute value of the current of each battery branch; obtaining a second absolute value of the energy of each current branch according to the current; and if the branches are identified to be inconsistent through the second absolute values, determining that the battery system is abnormal, thereby realizing detection of consistency of the branches in the battery system.

Description

technical field [0001] The invention relates to the technical field of vehicles, in particular to a vehicle, a battery system and a detection method thereof. Background technique [0002] New energy vehicles are usually powered by batteries. At present, the battery connection method of series first and then parallel is being used by more and more battery manufacturers because of its high degree of standardization, high versatility, low certification cost, and easy fast charging. However, the problem existing in the related technology is that the batteries connected in series first and then paralleled have higher requirements on the consistency of each branch circuit. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. [0004] Therefore, the first object of the present invention is to provide a detection method for a battery system, so as to realize the detection of the cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L3/00B60L58/10G01R31/385
CPCB60L3/0046B60L58/10G01R31/385Y02T10/70
Inventor 王玉龙
Owner KUNSHAN BAOTRON NEW ENERGY TECH CO LTD
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