13 results about "Cell fixing" patented technology

The invention discloses a power battery module for a new energy electric vehicle and a cooling control method of the power battery module. The plurality of battery cell fixing positions are respectively arranged on the battery cell lower pressing plate at equal intervals in an array manner along the transverse direction and the longitudinal direction; one end of each battery cell is arranged on the corresponding battery cell fixing position in a matched manner; the water channel mechanism is arranged in a hole between two adjacent rows of battery cells and is in close contact with the battery cells, and the water channel is distributed in an S shape among the plurality of battery cells; the two connecting ports are respectively arranged at the two ends of the water channel in a communicating manner; and the battery cell upper pressing plate is arranged at the tops of the plurality of battery cells in a matching manner. The plurality of battery cells are integrated together, and the temperature of the battery cells is adjusted through the water channel mechanism, so that the problem of non-uniform local heat dissipation of the battery module is solved. The invention further discloses a cooling control method for the power battery module of the new energy electric vehicle.

The application provides an electric cell fixing mechanism, a first boss assembly is formed with a first heat dissipation gap, a first insertion hole and a second insertion hole, a second boss assembly is formed with a second heat dissipation gap, a first insertion channel and a second insertion channel, a second base is formed with a plurality of second cell mounting grooves on a side close to the second boss assembly; each first cell mounting groove and the corresponding second cell mounting groove are used for mounting and fixing two ends of an electric cell monomer; the first heat dissipation gap and the second heat dissipation gap are communicated to form a heat dissipation channel, the first insertion hole is communicated with the first insertion channel, and the second insertion hole is communicated with the second insertion channel; a fixing assembly is formed with a mounting gap, the fixing assembly is sequentially arranged in the first insertion hole and the first insertion channel, the fixing assembly is sequentially arranged in the second insertion hole and the second insertion channel, and two ends of the fixing assembly are connected to the first base and the second base respectively. The electric cell fixing mechanism can improve the heat dissipation effect of the electric cell.

The invention relates to the technical field of battery pack manufacturing, and discloses an automobile battery pack adopting an anti-offset battery cell fixing structure, the automobile battery pack comprises a battery module and a constraint piece, the constraint piece comprises a pressing group arranged above a connecting piece, a buffer plate is arranged in the middle of the top end of the pressing group, the buffer plate adopts a waveform design, and the buffer plate is arranged in the middle of the top end of the pressing group. A cover plate is arranged at the top end of the buffer plate, springs are symmetrically arranged at the four corners of the bottom end of the cover plate, and the bottom ends of the springs are elastically connected with the four corners of the top end of the pressing set. According to the device, the reinforcing plate and the downward pressing set are arranged, the reinforcing plate is in sliding connection with the downward pressing set, and the abutting rod is in transmission connection with the positioning plate, so that the reinforcing plate and the side plate can be driven to reinforce the side frame while the restraining piece is installed in place, and one-time assembly and double guarantee are achieved; omnibearing constraint is formed on the battery cell from two dimensions of the top end and the side edge, and the deviation risk possibly caused by single-dimension constraint is completely eradicated.

A battery pack according to an embodiment of this invention may comprise: a plurality of battery cells including electrode terminals on one side of a case; a cell fixing plate to which the plurality of battery cells are coupled; and a busbar assembly electrically connected to the plurality of battery cells, wherein the cell fixing plate may be arranged under the plurality of battery cells, and the busbar assembly may be arranged under the cell fixing plate.

The application provides a fuel cell test bench simulating position bias, comprising a fuel cell performance detection system and a position bias simulation system, the position bias simulation system comprising a cell fixing device and a position control subsystem, the cell fixing device being electrically connected with the position control subsystem, the cell fixing device being used for installing a measured cell, and the fuel cell performance detection system being connected with the measured cell, the application combines the position bias simulation system with the fuel cell performance detection system, realizes flexible adjustment of the measured cell on a position angle in a test process, tests the running state of the cell under different angles, simulates the real working state of the cell, solves the single test state of the cell in the prior art, realizes research on the condition of the fuel cell stack when running under the working condition of a vehicle under the condition that the position of the cell is continuously changed on line, and realizes performance test of the measured cell under the full position state.

The invention discloses a rack assembly of a solid-state lithium battery cell narrow glue pasting machine. The rack assembly comprises a base plate, side plates, a rack, foot cups, moving wheels, a bottom sealing plate, an electric inlet mounting plate, an air pipe electric appliance mounting plate, a compressed air inlet, a vacuum inlet, a wire inlet, an air source, a lower electric box and a lower support assembly. And the cell fixing clamp is fixed on the substrate. The rack assembly achieves pneumatic control over the clamp pressing claw and the upper cover plate grabbing mechanism through an integrated pneumatic driving system. An air source and an air pipe electric appliance mounting plate are fixed on the rack to provide stable compressed air and vacuum supply; the base plate and the side plates form a supporting frame, and the bottom sealing plate seals the internal structure. The electrical inlet mounting plate and the wire inlet manage power supply, and the lower power box is integrated with a control circuit. The design improves the integration level, the pneumatic control precision and the production efficiency of the equipment, and is suitable for automatic production of the solid-state lithium battery.

The embodiment of the utility model provides a sealing nail pressing structure and battery production equipment, and relates to the technical field of battery production. The sealing nail pressing structure comprises a battery cell transferring device and a nail pressing mechanism device, the nail pressing mechanism device comprises a nail pressing mechanism and a driving mechanism, the driving mechanism and the nail pressing mechanism are mounted on the battery cell transferring device, and the driving mechanism is in transmission connection with the nail pressing mechanism; the battery cell transferring device is provided with a battery cell fixing mechanism, a to-be-welded battery cell is mounted on the battery cell fixing mechanism, the nail pressing mechanism is movably arranged in a liquid injection hole of the to-be-welded battery cell, and a sealing nail is fixed in the liquid injection hole of the to-be-welded battery cell through the nail pressing mechanism. The nail pressing structure of the sealing nail can achieve the technical effect of improving the production efficiency of the battery cell.

The embodiment of the application provides a power battery liquid cooling device and an electric vehicle, and relates to the technical field of batteries. The power battery liquid cooling device comprises an upper cover plate, a cell fixing support, a cell assembly, a liquid cooling plate, a battery package frame, a lower bottom plate and a reinforcing support bottom plate; the upper cover plate, the battery package frame and the lower bottom plate are matched and installed, and the upper cover plate, the battery package frame and the lower bottom plate form an installation space of the cell assembly; the cell assembly comprises a plurality of cells, a plurality of first cell installation grooves are arranged on the cell fixing support, the plurality of first cell installation grooves and the plurality of cells are matched one by one, the first cell installation groove is sleeved on the first part of the cell, and the cell fixing support is abutted in the limiting groove of the battery package frame; the liquid cooling plate is provided with a plurality of second cell installation grooves, and the second cell installation groove is sleeved on the second part of the cell; and the reinforcing support bottom plate is fixedly installed on the lower bottom plate. The power battery liquid cooling device can realize the technical effects of improving the structural strength and the cooling efficiency.

Provided in the present invention is a compact and lightweight thermal-runaway propagation suppression structure for a lithium-ion battery module. The structure comprises: thermal insulation sleeves, which each cover a battery cell; a high-specific-heat-capacity thermally-conductive frame, in which all battery cells and thermal insulation sleeves are embedded; thermal insulation plates, which are each placed at the top of the high-specific-heat-capacity thermally-conductive frame; and cooling measures, which are arranged on side faces of the high-specific-heat-capacity thermally-conductive frame. The overall lightweight structure in the present invention enables all the battery cells to share one heat dissipation element, thereby increasing the utilization rate of the heat dissipation element; moreover, the structure in the present invention facilitates the uniform heating of each surface of each battery cell in the module, makes full use of the thermal mass of an individual battery cell, and allows all the battery cells in the module to participate in heat sharing. In addition, the frame achieves the function of fixing the battery cells, and no additional battery-cell fixing apparatus is required for assembling the battery module. Therefore, the present invention is conducive to simplifying the structure of the module, providing a thermal-runaway propagation suppression structure with a smaller volume, and reducing the loss of energy density of the battery module caused by safety measures.

A battery module according to an embodiment of the present invention may include a case, a battery cell assembly accommodated inside the case and comprising a plurality of battery cells, a cell holder disposed inside the case and including a plurality of cell fixing holes into which the battery cells are inserted, a foam portion disposed on one side of the cell holder, an immersion portion disposed on the other side of the cell holder, and a sealing member provided between the cell holder and the battery cell assembly. Here, the sealing member may be disposed between the foam portion and the immersion portion. In addition, one ends of the battery cells may be positioned in the foam portion, and the other ends of the battery cells may be positioned in the immersion portion.

The present invention relates to a battery cell tray, and more particularly, to a battery cell tray for storing and transferring stacked battery cells. The battery cell tray according to a first embodiment of the present invention comprises: a cell fixing unit in which a battery cell is fixed; a position measuring unit that measures the position of each battery cell inserted into the cell fixing unit; and a processor which calculates the fixing position of each battery cell fixed in the cell fixing unit according to the data measured by the position measuring unit. Therefore, the position of the battery cell inserted into the cell fixing unit is automatically measured, so that the fixing position of the battery cell fixed in the cell fixing unit can be identified.

The invention discloses a battery cell fixing clamp of a solid-state lithium battery cell narrow glue pasting machine, the battery cell fixing clamp comprises a clamp upper cover plate, a lower cover plate, an upper cover plate grabbing mechanism and a plurality of battery cell positioning blocks, buffer materials are fixed at the lower part of the upper cover plate and the upper part of the lower cover plate, and the brittle solid-state battery cell is prevented from being damaged by too large pressure; pressing claw mechanism assemblies are arranged on the two sides of the upper cover plate, each pressing claw mechanism assembly comprises a pressing claw fixing plate, a pressing claw and an elastic piece, and flexible fixing is achieved; positioning guide devices are arranged at four top corners of the lower cover plate and comprise guide shafts and limiting rubber columns, positioning holes and guide copper sleeves are correspondingly arranged on the upper cover plate, and rapid and accurate positioning is ensured; the five positioning blocks are fixed on the lower cover plate and provide multi-point support; clamping grooves are formed in the grabbing mechanism, so that manipulator operation is facilitated; six through grooves are formed in the upper cover plate and the lower cover plate of the clamp and matched with rubberizing positions. According to the design of the invention, the cell protection and rubberizing precision and efficiency are improved.

A battery cell strength testing jig includes a lead gripper in which an electrode lead drawn out from a side portion of a battery cell is fixed. The battery cell strength testing jig further includes a cell fixing member in which the battery cell is fixed. The cell fixing member is installed to be movable in a thickness direction of the battery cell. A relative displacement occurs between a cell body portion and the electrode lead of the battery cell when the cell fixing member is moved.