发明申请
- 专利标题: BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION AND FREEWHEELING CIRCUIT COMPONENTS
- 专利标题(中): 电池加热电路和使用电压反相和自由绕组组件的系列中的谐振组件的方法
-
申请号: US13187890申请日: 2011-07-21
-
公开(公告)号: US20120031890A1公开(公告)日: 2012-02-09
- 发明人: Yaochuan Han , Wenhui Xu , Wei Feng , Qinyao Yang , Wenjin Xia , Xianyin Li
- 申请人: Yaochuan Han , Wenhui Xu , Wei Feng , Qinyao Yang , Wenjin Xia , Xianyin Li
- 申请人地址: CN Shenzhen
- 专利权人: BYD COMPANY LIMITED
- 当前专利权人: BYD COMPANY LIMITED
- 当前专利权人地址: CN Shenzhen
- 优先权: CN201010245288.0 20100730; CN201010274785.3 20100830; CN201110134005.X 20110523
- 主分类号: H05B1/00
- IPC分类号: H05B1/00
摘要:
Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit (1), a switching control module (100), a damping component R1, an energy storage circuit, a freewheeling circuit (20), and an energy superposition unit, the energy storage circuit is configured to connect with the battery to form a loop, and comprises a current storage component L1 and a charge storage component C1; the damping component R1, the switch unit (1), the current storage component L1, and the charge storage component C1 are connected in series; the switching control module (100) is connected with the switch unit (1), and is configured to control ON/OFF of the switch unit (1), so as to control the energy flowing between the battery and the energy storage circuit; the energy superposition unit is connected with the energy storage circuit, and is configured to superpose the energy in the energy storage circuit with the energy in the battery when the switch unit (1) switches on and then switches off; the freewheeling circuit (20) is configured to form a serial loop with the battery and the current storage component L1 to sustain current flow in the battery after the switch unit (1) switches on and then switches off.