The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 20, 2024

Filed:

Mar. 25, 2019
Applicant:

Byd Company Limited, Guangdong, CN;

Inventors:

Linwang Deng, Shenzhen, CN;

Zihua Yang, Shenzhen, CN;

Tianyu Feng, Shenzhen, CN;

Chun Lv, Shenzhen, CN;

Siqi Lin, Shenzhen, CN;

Assignee:

BYD COMPANY LIMITED, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 3/00 (2019.01); G01R 31/3835 (2019.01); B60L 50/60 (2019.01); B60L 58/12 (2019.01);
U.S. Cl.
CPC ...
B60L 3/00 (2013.01); B60L 50/60 (2019.02); B60L 58/12 (2019.02); G01R 31/3835 (2019.01); B60L 2240/54 (2013.01); B60L 2260/52 (2013.01); B60L 2260/54 (2013.01);
Abstract

Provided is an electric vehicle driving mileage calculation method, comprising the following steps: calculate the energy consumption of a power battery of the electric vehicle per unit driving mileage; obtain the open-circuit voltage (OCv)-battery capacity (Q) reference curve of the power battery; obtain the OCv of the power battery; obtain the currently remaining available energy of the power battery according to the OCv and the OCv-Q reference curve of the power battery; calculate the driving mileage of the electric vehicle according to the energy consumption of the power battery per unit driving mileage and the currently remaining available energy of the power battery, whereby the driving mileage of the electric vehicle which is calculated is more accurate. Also disclosed is an electric-vehicle driving mileage calculation device and an electric vehicle.


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