Abstract:
A power battery assembly (1) comprises a battery circuit and a circuit protecting unit (100). The circuit protecting unit (100) is connected in series with the battery unit. The circuit protecting unit (100) comprises a relay (2) and a current sensing unit (3) connected in series with the battery circuit, a switching unit (5) connected with the relay (2) for controlling the switching of the relay (2), and a controller (4) connected with the switching unit (5) and the current sensing unit (3)to control the switching on or switching off the switching unit (5) based on comparison of the current value detected by the current sensing unit (3) and sent to the controller (4) with a first predetermined current value. An electric vehicle is also provided.
Abstract:
A connector between battery modules and a battery system comprising the same are provided. The connector between battery modules comprises: first and second connecting pieces (21, 22), the first connecting piece (21) being electrically connected to an output end of a first battery module, the second connecting piece (22) being electrically connected to an output end of a second battery module adjacent to the first battery module, and the first connecting piece (21) and the second connecting piece (22) being electrically connected to each other so as to form an electrically-connecting part therebetween; a clamping unit configured to clamp the electrically-connecting part; and a support (5), the clamping unit being fixed onto the support (5) so as to support the electrically-connecting part between the first connecting piece (21) and the second connecting piece (22).
Abstract:
An electricity supply system is provided. The electricity supply system comprises: a battery module (1), comprising at least two in-series modules (11), each in-series module (11) comprising at least two battery groups connected in series; a control module (2) connected with the battery module (1), comprising: an IGBT module (23), a relay module (22) comprising a plurality of relays K, in which each in-series module (11) is connected to the relay module (22), and the relay module (22) is connected to the IGBT module (23), a relay control module (21) configured for controlling an ON or OFF of each relay K so as to select one or more in-series modules (11 ) to work with the IGBT module (23); and a distribution box (3) connected with the control module (2). The electricity supply system may realize heating battery groups in batches and equilibrium of voltage between battery groups.
Abstract:
A battery explosion-proof device (100) and a battery pack (200) may be provided. The battery explosion-proof device (100) may comprise a valve body (1), a rupture plate (2) and a protecting cover (3). The valve body (1) may comprise a base portion (11) and a shaft portion (12) connected with the base portion (11). The shaft portion (12) may be formed with threads on an external circumferential surface thereof and with a venting passage (121). The rupture plate (2) may be disposed inside the concaved portion (111) for sealing the venting passage (121). And the protecting cover (3) may be configured to cover the concaved portion (111).
Abstract:
An electricity supply system is provided. The electricity supply system comprises: a battery module (1), comprising at least two in-series modules (11), each in-series module (11) comprising at least two battery groups connected in series; a control module (2) connected with the battery module (1), comprising: an IGBT module (23), a relay module (22) comprising a plurality of relays K, in which each in-series module (11) is connected to the relay module (22), and the relay module (22) is connected to the IGBT module (23), a relay control module (21) configured for controlling an ON or OFF of each relay K so as to select one or more in-series modules (11 ) to work with the IGBT module (23); and a distribution box (3) connected with the control module (2). The electricity supply system may realize heating battery groups in batches and equilibrium of voltage between battery groups.
Abstract:
A power battery assembly (1) comprises a battery circuit and a circuit protecting unit (100). The circuit protecting unit (100) is connected in series with the battery unit. The circuit protecting unit (100) comprises a relay (2) and a current sensing unit (3) connected in series with the battery circuit, a switching unit (5) connected with the relay (2) for controlling the switching of the relay (2), and a controller (4) connected with the switching unit (5) and the current sensing unit (3)to control the switching on or switching off the switching unit (5) based on comparison of the current value detected by the current sensing unit (3) and sent to the controller (4) with a first predetermined current value. An electric vehicle is also provided.
Abstract:
A connector between battery modules and a battery system comprising the same are provided. The connector between battery modules comprises: first and second connecting pieces (21, 22), the first connecting piece (21) being electrically connected to an output end of a first battery module, the second connecting piece (22) being electrically connected to an output end of a second battery module adjacent to the first battery module, and the first connecting piece (21) and the second connecting piece (22) being electrically connected to each other so as to form an electrically-connecting part therebetween; a clamping unit configured to clamp the electrically-connecting part; and a support (5), the clamping unit being fixed onto the support (5) so as to support the electrically-connecting part between the first connecting piece (21) and the second connecting piece (22).
Abstract:
A battery is provided, comprising: a battery housing having at least one opening end; a battery cover sealing the at least one opening end; an electric core received in the battery housing, which comprises at least one heat-conducting tube having at least an end penetrating through the battery cover; and an electrolyte filled in a space formed by the battery housing with the battery cover.