The invention discloses a battery discharge electric energy detection method which is applied to a battery discharge electric energy detection system, the system comprises a battery, a high-grade electric energy metering standard device and a load, and a battery metering module is arranged in the battery; the method comprises the steps of obtaining a first electric energy value of a battery output port for multiple times; acquiring a second electric energy value output by the battery metering module for multiple times; determining a target battery metering module measurement error according to the first electric energy value and the second electric energy value of each time; errors caused by other influence quantities except the measurement error of the target battery metering module are obtained, and the battery discharge electric energy measurement error is determined; respectively determining a first sensitivity coefficient corresponding to a measurement error of the target battery metering module and a second sensitivity coefficient corresponding to an error caused by other influence quantities; determining A-class uncertainty caused by measurement errors of the target battery metering module, and acquiring B-class uncertainty caused by errors caused by other influence quantities; determining a standard uncertainty; and calculating the scalar expansion uncertainty.

    本申请公开了一种电池放电电能检测方法,应用于电池放电电能检测系统,该系统包括:电池、高等级电能计量标准装置以及负载,其中,电池内置电池计量模块;该方法包括:多次获取电池输出端口的第一电能值;多次获取电池计量模块输出的第二电能值;根据每次的第一电能值和第二电能值,确定目标电池计量模块测量误差;获取目标电池计量模块测量误差除外的其他影响量带来的误差,并确定电池放电电能测量误差;分别确定目标电池计量模块测量误差对应的第一灵敏系数和其它影响量带来的误差对应的第二灵敏系数;确定目标电池计量模块测量误差引起的A类不确定度,并获取其他影响量带来的误差引起的B类不确定度;确定标准不确定度;计算标扩展不确定度。


    Access

    Download


    Export, share and cite



    Title :

    Battery discharge electric energy detection method


    Additional title:

    一种电池放电电能检测方法


    Contributors:
    OU XIYANG (author) / ZHOU YOU (author) / XU HONGYU (author) / ZHAO LI (author) / ZOU BO (author) / WAN SHUWEI (author) / MI SIBEI (author) / XIAO JI (author) / HUANG LEI (author) / ZHANG YU (author)

    Publication date :

    2024-07-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Battery discharge cooling method and battery discharge cooling device of hybrid electric vehicle

    YU HUIMING / YANG TAO / JI XUEBIN et al. | European Patent Office | 2024

    Free access

    BATTERY ENERGY DISCHARGE DEVICE

    TANIYAMA KOICHI / HARAGUCHI KAZUNORI | European Patent Office | 2016

    Free access

    BATTERY DISCHARGE SYSTEM IN ELECTRIC VEHICLE

    PARK SUNG YOUNG | European Patent Office | 2024

    Free access

    Battery pack, electric vehicle and arc discharge prevention method

    SUN SHIJIE / WANG SHUYANG / SUN HUANLI et al. | European Patent Office | 2023

    Free access

    ELECTRIC VEHICLE BATTERY CHARGE AND DISCHARGE MANAGEMENT

    ALSER JOHN / CHIDESTER DOUGLAS D / PARYANI ANIL et al. | European Patent Office | 2017

    Free access