公开(公告)号：EP2413455A1

公开(公告)日：2012-02-01

申请号：EP11166897.6

申请日：2011-05-20

Applicant: Byd Company Limited

Inventor： Xu, Wenhui ,  Han, Yaochuan ,  Feng, Wei ,  Yang, Qinyao ,  Xia, Wenjin ,  Ma, Shibin

IPC: H02J7/00 ,  H01H9/54 ,  H01M10/50 ,  H02M5/00

CPC classification number: H01L23/345 ,  H01L2924/0002 ,  H01M10/615 ,  H01M10/625 ,  H01M10/651 ,  H01M10/657 ,  H01M10/6571 ,  H01M10/6572 ,  H02J7/0014 ,  H02J7/0054 ,  H02J7/0075 ,  H02J7/0091 ,  H02J7/0093 ,  H02M3/158 ,  Y02E60/12 ,  Y02T10/7055 ,  H01L2924/00

Abstract: The present invention provides a battery heating circuit, wherein, the battery comprises a first battery (E1) and a second battery (E2), the heating circuit comprises a first switch unit (10), a second switch unit (20), a damping element R1, a damping element R2, a current storage element L1, a current storage element L2, a switching control module (100) and a charge storage element C, the first battery, damping element R1, current storage element L1, first switch unit (10) and charge storage element C are connected in series to form a first charging/discharging circuit; the second battery (E2), damping element R2, current storage element L2, charge storage element C and second switch unit (20) are connected in series to form a second charging/discharging circuit; when the charge storage element C is charged or discharges, the direction of charging/discharging current in the second charging/discharging circuit is reverse to the direction of charging/discharging current in the first charging/discharging circuit; the switching control module (100) is electrically connected with the first switch unit (10) and second switch unit (20), and is configured to control the electric energy flow between the first battery (E1), charge storage element C and second battery (E2). The battery heating circuit of the present invention can achieve high heating efficiency.

Abstract translation: 本发明提供一种电池加热电路，其中，电池包括第一电池（E1）和第二电池（E2），加热电路包括第一开关单元（10），第二开关单元（20），阻尼 元件R1，阻尼元件R2，电流存储元件L1，电流存储元件L2，开关控制模块（100）和电荷存储元件C，第一电池，阻尼元件R1，电流存储元件L1，第一开关单元 （10）和电荷存储元件C串联连接形成第一充放电电路， 第二电池（E2），阻尼元件R2，电流存储元件L2，电荷存储元件C和第二开关单元（20）串联连接以形成第二充电/放电电路; 当电荷存储元件C被充电或放电时，第二充电/放电电路中的充电/放电电流的方向与第一充电/放电电路中的充电/放电电流的方向相反; 所述开关控制模块100与所述第一开关单元10和第二开关单元20电连接，用于控制所述第一电池E1，电荷存储元件C和第二电池之间的电能流通， （E2）。 本发明的电池加热电路可以实现高加热效率。