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 power battery module (1000) is provided. The power battery module (1000) includes a battery accommodating assembly (100) having a plurality of separators (10), each separator (10) comprising: a separator body (11) having a front portion defining a front accommodating groove (14) and a rear portion; a left cover (12); a right cover (13), a battery group, a power connection member (407), a power connection line (4071) and a line snap-fit (200); in which adjacent separators (10) are detachably connected with each other, and the front accommodating groove (14) of one of the adjacent separators (10) and the rear portion of the separator body (11) of the other of the adjacent separators (10) define a battery chamber, and a snapping hole (1123) is formed in at least one of upper and lower walls of the front accommodating groove (14).
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 fusing device is provided,comprising a core portion (10), a first terminal (11), a second terminal (12), and at least one thermal expanding element (21, 22) provided between a first flange (110) and a second flange (120) with two ends thereof against the first and second flanges respectively. The thermal expanding element is configured to break the core portion during thermal expanding. A battery assembly comprising a plurality of batteries (4) electrically connected in series, in parallel or in series and in parallel with the fusing device is also provided.
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 battery may be provided. The battery may comprise: a battery housing (90) having at least an opening end; a battery cover sealing the opening end; an electric core received in the battery housing (90) which comprises a positive heat-conducting member (1) and a negative heat-conducting member (2) that are electrically insulated from each other, the positive heat-conducting member (1) and the negative heat-conducting member (2) each having at least an end penetrating through the battery cover respectively; and an electrolyte filled in a space formed by the battery housing (90) with the battery cover.
Abstract:
A battery may be provided. The battery may comprise: a battery housing (90) having at least an opening end; a battery cover sealing the opening end; an electric core received in the battery housing (90) which comprises at least a heat-conducting member (1, 2), the heat-conducting member (1, 2) having at least an end penetrating through the battery cover; and an electrolyte filled in a space formed by the battery housing (90) with the battery cover.
Abstract:
A fuse comprises upper and lower shells (1, 5) coupled to each other to define a cavity (Q); first and second conductors (2a, 2b) each disposed between the upper and lower shells, first ends of the first and second conductors disposed in the cavity respectively and opposite to each other to define a gap therebetween, and second ends of the first and second conductors extended out from the cavity; a conductive bar (3) disposed in the gap and welded to the first ends of the first and second conductors respectively to form first and second welding seams (6a, 6b) at two sides of the conductive bar, each of the first and second welding seams having a resistivity greater than that of the conductive bar; and first and second pushing units (4a, 4b) normally pushing the conductive bar in a direction away from the gap.
Abstract:
A current fuse device and a battery assembly comprising the same. The current fuse device (100, 200) comprises an insulating box(1) having a cavity(10), a first conductor(21) with a first inner end(211), a second conductor(22) with a second inner end(221) and at least one elastic member(31,32) provided on at least one of the first conductor(21) and the second conductor(22) inside the cavity(10). The elastic member(31,32) forms electrical connection with the first and second inner ends(211, 221) simultaneously. The elastic member(31,32) may have elastic potential energy to break the electrical connection during short-circuiting.