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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.

Patent No.:

US 9308828 B1

PDFFull Text
Date of Patent:
Apr. 12, 2016

Filed:

May. 22, 2013

Power system of electric vehicle, electric vehicle comprising the same and method for heating battery group of electric vehicle

Applicant:

Byd Company Limited, Shenzhen, CN;

Inventors:

Xingchi Wu, Shenzhen, CN;

Hongjun Wang, Shenzhen, CN;

Shibin Xie, Shenzhen, CN;

Assignee:

BYD COMPANY LIMITED, Shenzhen, CN;

Attorney:

Anova Law Group, PLLC

Primary Examiner:

Dalena Tran

Int. Cl.
CPC ...
B60L 11/18 (2006.01); B60L 1/00 (2006.01); B60L 1/02 (2006.01); B60L 3/00 (2006.01); B60L 3/04 (2006.01); H01M 10/625 (2014.01); H01M 10/633 (2014.01); H01M 10/613 (2014.01); B60W 10/08 (2006.01); B60W 10/26 (2006.01); B60W 30/194 (2012.01); H01M 10/615 (2014.01);
U.S. Cl.
CPC ...
B60L 11/1875 (2013.01); B60L 1/003 (2013.01); B60L 1/02 (2013.01); B60L 3/0023 (2013.01); B60L 3/0046 (2013.01); B60L 3/04 (2013.01); B60L 11/1805 (2013.01); B60L 11/1864 (2013.01); B60L 11/1874 (2013.01); B60W 10/08 (2013.01); B60W 10/26 (2013.01); B60W 30/194 (2013.01); H01M 10/5006 (2013.01); H01M 10/5016 (2013.01); H01M 10/613 (2015.04); H01M 10/625 (2015.04); H01M 10/633 (2015.04); B60L 2240/545 (2013.01); B60L 2250/16 (2013.01); H01M 2220/20 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7061 (2013.01);
Abstract

A power system of an electric vehicle, an electric vehicle including the power system and a method for heating a battery group of the electric vehicle are provided. The power system of the electric vehicle includes: a battery group; a battery heater connected with the battery group; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater () to heat the battery group intermittently when a temperature of the battery group is lower than a first temperature threshold and a residual electric quantity of the battery group is larger than an electric quantity threshold; an electric distribution box; a motor; a motor controller connected with the motor and the electric distribution box respectively; and an isolation inductor.

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