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Title:
METHOD AND APPARATUS FOR ESTIMATING CHARGING TIME, AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/121110
Kind Code:
A1
Abstract:
A method and apparatus for estimating a charging time, and a storage medium. The method comprises: in a calculation cycle, acquiring the current temperature of a device to be charged and the current state of charge (SOC) of said device, and obtaining a demand current of said device according to the current temperature and the current state of charge; determining a charging current of said device according to a charging device current, the demand current of said device and a demand current of a thermal management system; and obtaining a charging time according to a residual state of charge of said device and the charging current, wherein the residual state of charge is obtained according to the current state of charge. The method can be applied to a thermal management system for an electric vehicle or an off-line thermal management strategy optimization model. In the method, the energy consumption of a thermal management system in a charging process is estimated, so as to solve the problem of the energy consumption of the thermal management system not being taken into consideration in a traditional charging time estimation method, such that an estimated charging time is more accurate.

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Inventors:
JIANG JING (CN)
ZHENG LULU (CN)
YANG RUI (CN)
Application Number:
PCT/CN2020/135061
Publication Date:
June 24, 2021
Filing Date:
December 10, 2020
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
B60L58/12; B60L58/24; H02J7/04
Foreign References:
CN111055722A2020-04-24
CN106183844A2016-12-07
CN103427137A2013-12-04
CN108172930A2018-06-15
CN205790267U2016-12-07
CN109466372A2019-03-15
JP2014171345A2014-09-18
CN110109024A2019-08-09
CN110435478A2019-11-12
US20180170208A12018-06-21
CN201911330319A2019-12-20
Other References:
See also references of EP 4067160A4
Download PDF:
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