Invention Grant
- Patent Title: Battery heating circuits and methods using resonance components in series based on current limiting and voltage inversion with bi-directionality
- Patent Title (中): 基于电流限制和电压反转的双向性的电池加热电路和使用谐振分量串联的方法
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Application No.: US13166301Application Date: 2011-06-22
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Publication No.: US08816647B2Publication Date: 2014-08-26
- Inventor: Wenhui Xu , Yaochuan Han , Wei Feng , Qinyao Yang , Wenjin Xia , Shibin Ma
- Applicant: Wenhui Xu , Yaochuan Han , Wei Feng , Qinyao Yang , Wenjin Xia , Shibin Ma
- Applicant Address: CN Shenzhen
- Assignee: BYD Company Limited
- Current Assignee: BYD Company Limited
- Current Assignee Address: CN Shenzhen
- Agency: Jones Day
- Priority: CN201010245288 20100730; CN201010274785 20100830; CN201010603471 20101223
- Main IPC: H01M10/46
- IPC: H01M10/46
Abstract:
According to some embodiments of the present invention, a battery heating circuit includes a switch unit, a switching control module, a damping component, an energy storage circuit, and an energy superposition unit, wherein: the energy storage circuit is connected with the battery and includes a current storage component and a charge storage component; the damping component, the switch unit, the current storage component, and the charge storage component are connected in series; the switching control module is connected with the switch unit, and configured to control ON/OFF of the switch unit, so as to control the energy flowing between the battery and the energy storage circuit.
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