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:
Oct. 13, 2015
Filed:
Jun. 01, 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
According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit, a second switch unit, a third switch unit, a fourth switch unit, a switching control module, a damping component R, a current storage component L, and a charge storage component C; the damping component Rand the current storage component Lare configured to connect with the battery in series to form a branch; the first switch unitand the second switch unitare connected in series with each other and then connected in parallel with the branch; the third switch unitand the fourth switch unitare connected in series with each other and then connected in parallel with the branch.