| 摘要 |
The present invention discloses a battery heating circuit, wherein, the battery comprises a battery E1 and a battery E2, the heating circuit comprises: a first charging/discharging circuit, which is connected with the battery E1, and comprises a damping element R1, a current storage element L1, a first switch unit (1) and a charge storage element C, all of which are connected in series to each other; and a second charging/discharging circuit, which is connected to the battery E2, and comprises a damping element R2, a current storage element L2, a second switch unit (2) and the charge storage element C, all of which are connected in series with each other. The battery heating unit provided in the present invention is applicable to multiple batteries, and can be used to heat up multiple batteries together or separately, and achieve electric quantity balance among the batteries. |
