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Battery physical model real-time establishing method and updating method and battery monitoring equipment

A technology of physical model and establishment method, which is applied in the direction of measuring electricity, measuring electric variables, measuring devices, etc., and can solve problems such as battery physical model update, deviation, unfavorable battery management, use, etc.

Active Publication Date: 2020-11-24
ZHUHAI MAIJU MICROELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The battery physical model established by the laboratory in advance based on the chemical properties of the battery needs to be modeled and tested on the battery in advance, and it is difficult to update the battery physical model following the use of the battery
[0004] Since the battery physical model in the prior art cannot be established and updated online in real time, the judgment of the state of charge (SOC) and state of health (SOH) of the battery will also be biased, which is not conducive to the management and use of the battery.

Method used

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  • Battery physical model real-time establishing method and updating method and battery monitoring equipment
  • Battery physical model real-time establishing method and updating method and battery monitoring equipment
  • Battery physical model real-time establishing method and updating method and battery monitoring equipment

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Embodiment Construction

[0069] The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only parts related to the present disclosure are shown in the drawings.

[0070] It should be noted that, in the case of no conflict, the implementation modes and the features in the implementation modes in the present disclosure can be combined with each other. The technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with implementation manners.

[0071] Unless otherwise specified, the illustrated exemplary embodiments / embodiments are to be understood as exemplary features providing various details of some manner in which the technical idea of ​​the pre...

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Abstract

The invention provides a battery physical model real-time on-line establishment method. The method comprises the steps: S1, measuring an output value of a battery in at least one of a charging state,a discharging state and a non-charging and non-discharging state in real time; S2, obtaining a parameter function required for establishing a battery physical model in real time at least based on theoutput value of the battery in at least one of the charging state, the discharging state and the non-charging and non-discharging state; and S3, based on the parameter function, establishing a batteryphysical model in real time. The invention further provides a battery physical model real-time on-line updating method, a battery state and / or battery state change trend judgment method and battery monitoring equipment.

Description

technical field [0001] The disclosure belongs to the technical field of batteries, and relates to a method for establishing and updating a physical model of a battery in real time, and a battery monitoring device. Background technique [0002] In the prior art, a battery model such as a lithium battery physical model is generally established by a laboratory in advance according to the chemical characteristics of the battery. [0003] The battery physical model established by the laboratory in advance based on the chemical properties of the battery requires modeling and testing of the battery in advance, and it is difficult to update the battery physical model as the battery is used. [0004] Since the battery physical model in the prior art cannot be established and updated online in real time, the judgment of the state of charge (SOC) and state of health (SOH) of the battery will also be biased, which is not conducive to the management and use of the battery. Contents of ...

Claims

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Application Information

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IPC IPC(8): G01R31/382
CPCG01R31/382
Inventor 周号
Owner ZHUHAI MAIJU MICROELECTRONICS CO LTD
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