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.:
Date of Patent:
Sep. 01, 2015
Filed:
May. 07, 2012
Wenhui Xu, Shenzhen, CN;
Yaochuan Han, Shenzhen, CN;
Wei Feng, Shenzhen, CN;
Qinyao Yang, Shenzhen, CN;
Wenjin Xia, Shenzhen, CN;
Shibin MA, Shenzhen, CN;
Xianyin LI, Shenzhen, CN;
Wenhui Xu, Shenzhen, CN;
Yaochuan Han, Shenzhen, CN;
Wei Feng, Shenzhen, CN;
Qinyao Yang, Shenzhen, CN;
Wenjin Xia, Shenzhen, CN;
Shibin Ma, Shenzhen, CN;
Xianyin Li, Shenzhen, CN;
BYD Company Limited, Shenzhen, CN;
Abstract
Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units, a switching control module, a damping component R, an energy storage circuit, and a polarity inversion unit, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component Land a plurality of charge storage components C; the plurality of charge storage components Care connected with the plurality of switch unitsin series in one-to-one correspondence to form a plurality of branches; the plurality of branches is connected in parallel with each other and then connected with the current storage component Land damping component Rin series; the switching control moduleis connected with the switch units, and is configured to control ON/OFF of the switch units