8results about How to "Improve group efficiency" patented technology

The utility model relates to the technical field of battery devices, and provides an electric control device, a battery device and an electric device, and the electric control device comprises a shell, a wire harness structure, an electric part and a battery management main control board. The shell is provided with an accommodating space; the electrical part is arranged in the accommodating space, and a bar piece is arranged on the electrical part; one end of the wire harness structure is connected to the bar piece, and the other end of the wire harness structure is connected with the battery management main control board; wherein at least part of the wire harness structure is connected to the inner wall of the shell in a bonding mode, the wire harness structure is connected with the inner wall of the shell in a bonding mode, so that the connection stability of the wire harness structure in the shell is improved, and at least part of the wire harness structure is tightly attached to the inner wall of the shell; and the internal space of the shell occupied by the wire harness structure can be further reduced, so that the overall size of the shell can be designed to be more compact, and finally, the grouping efficiency of the whole battery device pack is improved and the design difficulty is reduced.

The invention discloses a liquid cooling system for a high-power battery pack and the high-power battery pack, the high-power battery pack comprises a battery pack panel, a battery pack bottom plate, and a plurality of layers of battery cells and a heat conducting plate which are stacked in the height direction, and the plurality of battery cells are laid on the heat conducting plate along the length direction of the heat conducting plate; the liquid cooling system comprises heat dissipation pipelines, rubber hoses, limiting devices, a liquid inlet, a liquid outlet and a cooling liquid circulating pump, the heat dissipation pipelines are arranged at the two ends of the heat conduction plate, the heat dissipation pipelines are limited and compacted on the heat conduction plate through the limiting devices, the different heat dissipation pipelines are connected through the rubber hoses, and the battery pack panel is provided with the liquid inlet and the liquid outlet. And the liquid inlet and the liquid outlet are connected with a cooling liquid circulating pump through rubber hoses. The modular layout is adopted, maintenance and customized configuration are convenient, the system flexibility is achieved, the battery pack design is integrated and highly integrated, and the grouping efficiency of the battery pack is effectively improved.

The application provides a battery device and a vehicle. The battery device comprises a box body and a battery cell. The box body comprises a frame and a cross beam and a longitudinal beam arranged in the frame. The cross beam, the longitudinal beam and the frame define a plurality of spaced-apart accommodation spaces, at least part of the accommodation spaces being formed as battery spaces. The battery cell is arranged in groups in the battery spaces. A reinforcing member is arranged between the cross beam and the longitudinal beam, and / or between the cross beam and the frame, and / or between a first beam extending in a first direction of the frame and a second beam extending in a second direction of the frame, the first direction and the second direction having an included angle. Thus, the weight of the battery device can be reduced, the number of parts can be reduced, the cost can be reduced, the space occupation can be improved, the energy density of the battery device can be improved, the grouping efficiency of the battery cell can be improved, the structural strength of the battery device can be improved, and the structural stability and reliability of the battery device can be improved.

This invention provides a method for the tiered utilization of retired batteries from energy storage power stations, relating to the fields of electrochemical energy storage and the tiered utilization of retired batteries. The steps of this invention are as follows: S1, rapidly assess and classify the consistency of retired batteries, eliminating unusable batteries; S2, perform grouping operations on the remaining retired batteries to obtain the optimal solution; S3, assemble the retired batteries into new battery packs according to the optimal solution; S4, perform online self-healing equalization control operations on the battery packs; S5, adjust the self-healing strategy parameters; S6, track and monitor the self-healed batteries. The beneficial effects are: voltage and internal resistance are corrected to avoid interference from ambient temperature; the objective optimization function can improve grouping efficiency; the tiered self-healing strategy improves battery repair speed; self-healing strategy parameter updates ensure that the selected parameters are suitable for the corresponding batteries; the tiered tracking strategy can reduce monitoring costs; and long-term and short-term evaluations can avoid the problem of false repair successes.

The application provides a battery monomer, a battery and a power utilization device. The battery monomer comprises: a shell (10) comprising a first wall; an electrode assembly (4) arranged in the shell (10), the electrode assembly (4) comprising an electrode main body (41) and a tab, and the tab being led out from the electrode main body (41); and a terminal assembly (3) comprising a connecting piece (31) and at least two terminals (30), the at least two terminals (30) are arranged on the first wall, the connecting piece (31) is arranged at least partially around the at least two terminals (30), the terminal (30) is arranged at least partially between the connecting piece (31) and the first wall along the thickness direction of the first wall, the connecting piece (31) is connected with the first wall, and the terminal (30) is electrically connected with the corresponding tab.

The utility model provides a battery module. The battery module comprises a battery cell assembly, a foam assembly, an FPC (Flexible Printed Circuit) assembly, an end plate assembly, an upper cover assembly and heat-conducting glue, the end plate assemblies are adhered to the two opposite ends of the battery cell assembly in the first direction, and the FPC assemblies are arranged on the two opposite sides of the battery cell assembly in the second direction; one side of the foam assembly is adhered to the battery cell assembly, and the other side of the foam assembly can support the FPC assembly; a part of the FPC assembly is welded to at least a part of the battery cell assembly, and at least a part of the FPC assembly is clamped to at least a part of the foam assembly; the upper cover assembly is adhered to the top of the battery cell assembly in the third direction through heat-conducting glue, so that the upper cover assembly and the battery cell assembly form an integrated structure; the first direction, the second direction and the third direction are mutually orthogonal. The battery module has the advantages of simple and reliable structure, few parts, simple assembly process and high grouping efficiency, so that the battery module can achieve the purpose of reducing the cost.

The utility model discloses a battery pack for electric automobile, include: battery box, front drive power output interface and rear drive power output interface are respectively established on the opposite two side walls of battery box, and the battery pack supplies power to electric automobile through front drive power output interface and rear drive power output interface, the electric core group is established in the inside of battery box, including a plurality of electric core, is equipped with the explosion -proof valve on the electric core, and the explosion -proof valve is arranged along the first direction, the high pressure connects copper row, and the high pressure connects copper row is straddled and is established in the top of electric core group, and extends along the second direction, and the second direction is perpendicular to the first direction, and the front drive power output interface and rear drive power output interface electricity are connected. The above setting mode can improve the insulation protection effect of the high pressure connection copper row in the battery pack. The utility model discloses electric automobile.