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Power battery information monitoring method and device and electric vehicle

A power battery and battery information technology, which is applied in electric vehicles, battery/fuel cell control devices, charging stations, etc., can solve the problem of inability to grasp power battery information, etc. The effect of predicting security risks in advance

Pending Publication Date: 2021-10-29
BEIJING ELECTRIC VEHICLE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the embodiment of the present invention is to provide a power battery information monitoring method, device and electric vehicle, so as to solve the problem in the prior art that the power station cannot grasp the power battery information

Method used

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  • Power battery information monitoring method and device and electric vehicle
  • Power battery information monitoring method and device and electric vehicle
  • Power battery information monitoring method and device and electric vehicle

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Embodiment Construction

[0049] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0050] Embodiments of the present invention aim at the problem that power battery information cannot be obtained by a power station in the prior art, and provide a method and device for monitoring power battery information and an electric vehicle.

[0051] like figure 2 As shown, an embodiment of the present invention provides a method for monitoring power battery information, which is applied to a BMS (Battery Management System, battery management system) of an electric vehicle, including:

[0052] Step S21, acquiring the working mode of the target power battery; the working mode includes: driving mode, charging mode at the power station, or monitoring mode at the power station;

[0053] Step S22, according to the working mode of the target power batt...

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Abstract

The invention provides a power battery information monitoring method and device and an electric vehicle, and relates to the technical field of electric vehicles, and the power battery information monitoring method comprises the steps of obtaining the working mode of a target power battery; the working mode comprises a driving mode, a battery swap station charging mode or a battery swap station monitoring mode; and according to the working mode of the target power battery, sending battery information to a battery replacement controller or a battery replacement station charger. According to the method, different monitoring modes are provided for the power batteries in different working modes, the safety risk of the battery swap station can be prejudged in advance, the risk of replacing a faulty battery is reduced, and the battery replacing time is shortened.

Description

technical field [0001] The invention belongs to the technical field of electric vehicles, and in particular relates to a method and device for monitoring power battery information and an electric vehicle. Background technique [0002] The electric vehicle battery replacement system refers to the centralized storage and charging of a large number of battery systems through the battery exchange station. Users can replace the battery system of electric vehicles in 1 minute or even less time, which solves the problem of long charging time of the battery system. The traditional working mode of the substation is as follows: figure 1 As shown, each battery system corresponds to a charger, and the battery replacement station can only receive battery information when the battery system is charging. The power station cannot know the voltage, temperature, insulation resistance and a series of fault information in the battery system, which is not conducive to the information collection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L53/80B60L58/10
CPCB60L53/80B60L58/10Y02T10/70Y02T10/7072
Inventor 王玉坤王莎莎代康伟李兴华郑磊
Owner BEIJING ELECTRIC VEHICLE
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