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:
Jan. 01, 2019
Filed:
Jun. 30, 2014
Byd Company Limited, Shenzhen, CN;
BYD COMPANY LIMITED, Shenzhen, CN;
Abstract
A power system for an electric vehicle, an electric vehicle and a method for charging a power battery are provided. The power system includes: a power battery (); a charge-discharge socket (); a bidirectional DC-DC module (); a driving control switch (); a bidirectional DC-AC module (); a motor (M); a motor control switch (); a charge-discharge control module (); a battery manager (); and a control module () configured to control the driving control switch (), the motor control switch () and the charge-discharge control module () so as to control the power system to enter a charge-discharge mode, and to control the power battery () to charge and discharge in a pulse mode so as to heat the power battery () when the temperature of the power battery () is lower than a predetermined temperature.