19results 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 utility model provides a cooling structure of a battery module and a battery pack. The cooling structure of the battery module comprises a first cooling assembly and a second cooling assembly which are mutually independent, the first cooling assembly comprises a liquid cooling plate arranged at the bottom of the battery module, and the liquid cooling plate is used for cooling the battery cell shell; the second cooling assembly is used for cooling a busbar assembly of the battery module, the second cooling assembly comprises a cooling support, a flow channel is formed in the cooling support, the cooling support is connected with the busbar assembly, and the flow channel is used for circulation of insulating cooling liquid. According to the cooling structure of the battery module disclosed by the utility model, the busbar assembly can be cooled, the temperature of the battery cell pole column area is reduced, the temperature difference between the battery cell pole column and the battery cell shell is reduced, and the temperature equalization performance of a battery module thermal management system is improved. And moreover, the risk of poor insulation can be effectively eliminated, and a good use effect is achieved.

The utility model relates to the technical field of batteries, and discloses an annular battery module structure and a battery pack, and the annular battery module structure comprises a plurality of fan-shaped units. The annular battery module structure of the structure is formed by arranging a plurality of fan-shaped units along an annular path, all batteries in the annular battery module structure are located between two supporting frames, the environments where different batteries are located are the same, and the exposed surfaces of the different batteries are the same; the temperature difference between the batteries at different positions in the annular battery module structure can be effectively reduced, the thermal runaway risk of the batteries is reduced, the service lives of the batteries and the battery module are prolonged, and the fire risk is reduced, so that the personal safety and the property safety are guaranteed. Meanwhile, each battery is located between the two supporting frames, the stress of the batteries at different positions is the same, and the consistency of the batteries in the aging process is good. The adjacent batteries are separated by the support frame, so that the thermal runaway area range can be reduced when the local batteries are in thermal runaway.

The utility model discloses a battery pack and an energy storage device with the same. The battery pack comprises a heat dissipation plate, at least one battery cell module and a plurality of first restraining pieces, the battery cell module is arranged on the heat dissipation plate, the battery cell module comprises a plurality of battery cell units, and the plurality of battery cell units are arranged along a first direction; the plurality of first restraining pieces are respectively arranged at two ends of the battery cell module in a second direction, and the second direction is vertical to the first direction. According to the battery pack disclosed by the utility model, the plurality of first restraining pieces are arranged at the two ends of the battery cell module in the second direction, so that the number of parts is reduced, the grouping efficiency of the battery cell module is improved, the qualification rate and the production efficiency of the battery pack are improved, the structural stability and reliability of the battery cell module are enhanced, and the miniaturization design of the battery pack is facilitated.

The invention discloses an electric motorcycle battery and a battery cell support, the electric motorcycle battery comprises a battery cell module, a circuit protection board and a connection socket, the battery cell module comprises a battery cell support and a plurality of battery packs; each battery pack comprises at least one battery monomer, and two poles of each battery monomer are positioned at the same end; the battery cell bracket is provided with a battery cell mounting cavity embedded with a current-carrying sheet structure, each battery pack is mounted in the battery cell mounting cavity, and each battery pack is connected in series through the current-carrying sheet structure to form a battery module; the circuit protection board is arranged outside the battery cell mounting cavity and is connected in series with the battery module; the connecting socket is provided with a communication line, a total positive power line and a total negative power line; the communication line is connected with a communication interface of the circuit protection board and acquires parameter information of the battery module acquired by the circuit protection board; the total positive power line is communicated with the total positive end part of the battery module, and the total negative power line is communicated with the negative electrode of the circuit protection board. The current-carrying sheets are welded on the same side, the situation that the battery is installed reversely is avoided, the polarity of the battery does not need to be considered when the battery is installed, the manufacturing process is simplified, the assembling efficiency is improved, the high-power application scene can be met, the charging speed is high, the discharging power is high, and the overall manufacturing cost and the control difficulty are low.

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 invention discloses a novel battery cell matching method capable of improving matching efficiency, and relates to the technical field of battery cell matching, and the method comprises the following steps: collecting attribute data and aging data of battery cells, and carrying out data cleaning and formatting processing; constructing an aging prediction model by using a deep learning technology, inputting the processed data into the aging prediction model, and predicting a performance change value of the battery cell; the voltage and temperature of the battery cell are remotely collected, and the state of the battery cell is monitored in real time; constructing an optimization objective function based on the predicted performance change value and the voltage and temperature of the battery cell, quickly solving a grouping optimization problem by using a quantum computing technology, searching an optimal grouping scheme, performing battery cell grouping by using automatic equipment according to the optimal grouping scheme, and performing performance test; according to the method, the aging prediction model is constructed through the deep learning technology, the matching optimization problem is rapidly solved by using the quantum computing technology, the optimal matching scheme can be found in an extremely short time, and the matching efficiency is improved.

The utility model provides a heat exchange assembly and a battery, relates to the technical field of battery heat management, and solves the problem that air tightness does not reach the standard due to assembly tolerance of connection among a plurality of cooling assemblies caused by dimensional tolerance of structural members. The utility model provides a heat exchange assembly which comprises a heat exchange mechanism and a connecting pipe. The heat exchange mechanism comprises a heat exchange plate, the heat exchange plate comprises a heat exchange plate body and a flow collecting part, the flow collecting part is arranged at at least one end of the heat exchange plate body, the heat exchange plate body is provided with a heat exchange flow channel for a heat exchange medium to flow, and the flow collecting part is provided with a flow collecting cavity communicating with the heat exchange flow channel. At least one pipe joint communicated with the flow collecting cavity is arranged on at least one side surface of the flow collecting part; and the connecting pipes are arranged between every two adjacent heat exchange plates, each connecting pipe comprises a deformation part and connecting parts connected to the two ends of the deformation part, and the ends, away from the deformation parts, of the two connecting parts are connected with the pipe joints of the two heat exchange plates correspondingly.

The utility model discloses a battery, a support assembly, a battery module, a power utilization device and an energy storage device, the battery comprises at least two electrode assemblies, the electrode assemblies comprise tabs, and the adjacent electrode assemblies are electrically connected through the tabs; the support assembly is arranged between every two adjacent electrode assemblies; the bracket assembly comprises a supporting part used for supporting the electrode assembly; the limiting part is used for accommodating and / or supporting the tab; the limiting part comprises a first limiting part and a second limiting part, the first limiting part and the second limiting part are arranged in a separable and matched mode, when the first limiting part and the second limiting part are arranged in a matched mode, a gap is formed between the first limiting part and the second limiting part, and the gap is used for containing the tab. The energy density of the battery is improved.

The present invention relates to the field of battery technology, and discloses a ring-shaped battery module assembly process, including: arranging battery cells one by one in a receiving space to form a fan-shaped unit; arranging all the fan-shaped units along a ring path, and splicing adjacent fan-shaped units to form a ring-shaped battery module. All battery cells in the ring-shaped battery module structure are in the receiving space, and the environment of different battery cells is the same, which can effectively reduce the temperature difference between battery cells at different positions in the ring-shaped battery module structure. At the same time, the environment of battery cells at different positions in the module is the same, and the expansion force between adjacent battery cells in the ring-shaped battery module can offset each other, reducing the impact of the expansion force on the battery module. Multiple fan-shaped units are spliced ​​to form a ring-shaped battery module, which can simplify the module structure and the molding process of the module and improve the module assembly efficiency. Adjacent battery cells are separated by a bracket assembly, which can reduce the harm of thermal runaway of the battery cells when the local battery is in thermal runaway.

The utility model discloses a battery, a battery module, a power utilization device and an energy storage device. A battery includes: a case; the battery cell group is arranged in the shell, the battery cell group comprises n electrode assemblies, the n electrode assemblies are arranged in the first direction of the battery cell group and are electrically connected, n is a natural number larger than or equal to 2, each electrode assembly comprises a main body part, a positive electrode lug and a negative electrode lug, and the positive electrode lug and the negative electrode lug are connected with the main body part; a positive electrode lug and a negative electrode lug are respectively arranged at two opposite ends of two adjacent main body parts; the positive terminal is connected with the positive tab and is insulated from the shell, and the negative tab is conductively connected with at least part of the shell. The method has the advantages of being high in grouping efficiency and low in 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.

The present invention relates to the technical field of batteries, and specifically proposes a battery shell and a battery including the same. The battery shell includes a shell body, and the shell body includes at least two oppositely arranged first side surfaces and at least two oppositely arranged second side surfaces, the area of ​​the first side surface is greater than the area of ​​the second side surface; the first side surface and the second side surface surround to form a receiving cavity, and form two upper and lower openings, the first side surface or the second side surface forms an interface end, and the interface end is welded to form a first welding line; the adjacent first side surface and the second side surface are connected by a transition portion, and the transition portion and the surface where the first welding line is located form a boundary line, the first welding line deviates from the first center line of the surface where it is located in a direction perpendicular to the opening portion, and the distance between the first welding line and the nearest boundary line is a, 1mm≤a≤50mm. The transition portion is in the edge corner area, the structure is stable, the welding line is close to the transition portion, the strength is relatively large, the battery shell will not be deformed during welding, and the molding yield of the battery shell is improved.