Abstract:
A signal collection and power connection assembly of a power battery module, a power battery module and a vehicle are provided. The assembly includes a substrate, a power connection member fixed on the substrate, a power connection line formed by a first sheet-like conductor disposed on the substrate, a signal collection line formed by a second sheet-like conductor disposed on the substrate, and a signal collection member disposed on the substrate and coupled with the signal collection line. A terminal of the power connection line is coupled with the power connection member, and a terminal of the signal collection line is coupled with the power connection member.
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), the separator (10) comprising: a separator body (11); a left cover (12); and a right cover (13), in which adjacent separators (10) are detachably connected with each other; a battery group; a power connection member (430), a line snap-fit (200), a power connection line and a signal collection assembly (400).
Abstract:
A power battery assembly is provided. The power battery assembly comprises: a battery circuit having at least one battery module; a relay, wherein a normally open contact of the relay is connected with the battery circuit in series; a controller for controlling the normally open contact of the relay, wherein an input end and an output end of the relay are connected with the controller respectively; and a fuse protector connected with the battery circuit in series.
Abstract:
A sealing member and a battery comprising the sealing member are provided. The sealing member (6) comprises: a sealing part (5); an operation part having a supporting portion (2), an operation protrusion (1) disposed on an upper surface of the supporting portion (2), and a deformable leg (4) depending from a bottom surface of the supporting portion (2); and a connecting part (3) connecting the sealing part (5) and operation part. The sealing part (5) has a maximum diameter greater than that of the connecting part (3).
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 supply unit for an electric vehicle comprises a tray (16) and at least one battery module (200) fixed on the tray (16) via a strip (2). Each battery module (200) comprises: a housing having a bottom plate mounted onto the tray (16) and first to fourth side plates disposed on the bottom plate, wherein the first and third side plates are opposed to each other in a thickness direction and the second and fourth side plates are opposed to each other in a front-rear direction; a battery pack, disposed in the housing, having a plurality of cells arranged along the thickness direction; and flexible members disposed between the first and third side plates and the battery pack respectively, for fastening the battery pack.
Abstract:
A battery and a battery cover assembly thereof are provided. The battery cover assembly comprises a cover (1) having a through hole; an extraction electrode terminal (3); and an insulating seal member disposed between the cover and the extraction electrode terminal. The extraction electrode terminal (3), starting from its top, includes a columnar seal part (31), a position part (32) and a weld part (33) that are consecutively connected together, the columnar seal part (31) passing through the through hole of the cover and having a seal groove formed along a circumferential surface thereof, the position part having a horizontally-oriented platform, and the weld part having a sheet-like shape and being perpendicular to the horizontally-oriented platform of the position part.
Abstract:
A battery safety vent is provided. The battery safety vent comprises: an explosion-proof film fixed on a battery cover plate; a safety vent cover covering above the explosion-proof film and having a pressure release aperture; and an explosion-proof pin disposed at a top of the safety vent cover, in which a free head of the pin is blunt and points to the explosion-proof film. A battery having the battery safety vent is further provided. The battery safety vent may release the internal pressure of the battery via a large scale broken explosion-proof film if the internal pressure is high, so as to ensure the safety of the battery.
Abstract:
A battery system for storing electrical power and supplying electrical power to a vehicle is provided. The system includes multiple battery packs, and each battery pack includes a plurality of cells (300a, 300b). The cells (300a, 300b) in each battery pack are electrically connected with one another and the multiple battery packs are also electrically connected with one another to combine the total energy output of the cells (300a, 300b) of the system. The electrical connections between at least some of the cells (300a, 300b) include a severable feature(800a, 800b), whereby the electrical connection is severed locally at the severable feature(800a, 800b) in response to an impact force that is in excess of a predetermined magnitude and/or an overcurrent/overtemperature condition.