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CN-224232705-U - Heat dissipation efficiency-increasing lithium battery tab device

CN224232705UCN 224232705 UCN224232705 UCN 224232705UCN-224232705-U

Abstract

The utility model provides a heat dissipation synergistic lithium battery tab device, which relates to the technical field of lithium batteries and comprises a box body, wherein a lithium battery is arranged in the box body, a positive electrode tab and a negative electrode tab are arranged at the top of the lithium battery, one side of the box body is connected with a mounting plate, heat dissipation components are arranged outside the positive electrode tab and the negative electrode tab and used for reducing the temperature of the positive electrode tab and the negative electrode tab, each heat dissipation component comprises heat conduction silica gel, a heat dissipation sheet and a heat dissipation fan, and a fixing component is arranged in the box body and used for fixing the lithium batteries with different specifications, and comprises an adjusting groove, a motor and a longitudinal extrusion plate. Through the radiating component, the temperature of anodal ear and negative pole ear is effectively reduced to promote radiating efficiency, make a plurality of stripper plates realize the multidirectional quick centre gripping of lithium cell through fixed subassembly, compatible not unidimensional battery.

Inventors

  • LI CHAOHUI

Assignees

  • 新余市金凌能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250327

Claims (7)

  1. 1. The utility model provides a heat dissipation efficiency-increasing lithium cell tab device which characterized in that includes: The lithium battery box comprises a box body (1), wherein a lithium battery (101) is arranged in the box body (1), a positive lug (102) and a negative lug (103) are arranged at the top of the lithium battery (101), and one side of the box body (1) is connected with a mounting plate (104); The heat dissipation assembly is arranged outside the positive electrode lug (102) and the negative electrode lug (103) and used for reducing the temperature of the positive electrode lug (102) and the negative electrode lug (103), and comprises heat conduction silica gel (2), heat dissipation fins (201) and a heat dissipation fan (401); The fixing component is arranged in the box body (1) and used for fixing the lithium batteries (101) with different specifications, and comprises an adjusting groove (5), a motor (501) and a longitudinal extrusion plate (701).
  2. 2. The heat dissipation efficiency-increasing lithium battery tab device according to claim 1, wherein one end of each of the positive tab (102) and the negative tab (103) penetrates through the case body (1) and protrudes out of the upper surface of the case body (1), heat conducting silica gel (2) is arranged on the outer sides of the positive tab (102) and the negative tab (103), a heat radiating fin (201) is connected on the outer sides of the heat conducting silica gel (2), and a plurality of grooves are formed in the tops of the heat radiating fins (201).
  3. 3. The heat dissipation efficiency-increasing lithium battery tab device according to claim 2, wherein a sealing ring (3) is arranged on one side of each of the two heat dissipation fins (201), a spring groove (301) is formed in the sealing ring (3), and a coil spring (302) is mounted in the spring groove (301).
  4. 4. The heat dissipation synergistic lithium battery tab device according to claim 1, wherein a heat dissipation box body (4) is installed at the top of the mounting plate (104), and a heat dissipation fan (401) is installed inside the heat dissipation box body (4).
  5. 5. The heat dissipation efficiency-increasing lithium battery tab device according to claim 4, wherein an adjusting groove (5) is formed in the box body (1), a motor (501) is arranged on one side of the box body (1), a rotating rod a (502) is connected to one side of the motor (501) in a driving mode, threads with opposite rotation directions are arranged at two ends of the rotating rod a (502), two thread blocks a (503) are arranged on the outer side of the rotating rod a (502), two transverse sliding grooves (505) and two longitudinal sliding grooves (506) are formed in the box body (1), and the tops of the two thread blocks a (503) penetrate through the corresponding transverse sliding grooves (505) and are connected with transverse extrusion plates (504).
  6. 6. The heat dissipation synergistic lithium battery tab device according to claim 5, wherein a turbine (6) is arranged on the outer side of the rotating rod a (502), a turbine rod (601) is arranged on the top of the turbine (6), two ends of the turbine rod (601) are connected with rotating rods b (602), and threads with opposite directions are arranged on the surfaces of the two rotating rods b (602).
  7. 7. The heat dissipation and efficiency improvement type lithium battery tab device according to claim 6, wherein screw blocks b (7) are arranged on the outer sides of the two rotating rods b (602), tops of the two screw blocks b (7) penetrate through the corresponding longitudinal sliding grooves (506) and are connected with longitudinal extrusion plates (701), and a silica gel buffer layer (702) is arranged on one side of each of the two longitudinal extrusion plates (701) and one side of each of the two transverse extrusion plates (504).

Description

Heat dissipation efficiency-increasing lithium battery tab device Technical Field The utility model relates to the technical field of lithium batteries, in particular to a heat dissipation and efficiency improvement type lithium battery tab device. Background The research and development background of the lithium battery tab heat dissipation device is derived from the aggravation of contradiction between the internal resistance and the temperature rise of the battery in a high-power scene and the new challenges brought by the popularization of the full tab technology, and the industry gradually overcomes the balance problem of heat dissipation efficiency and manufacturing feasibility through structural innovation, process optimization and patent layout, and simultaneously responds to the urgent demands of the market on the high-performance battery. When the lithium battery is used, the heat accumulation is easy to be caused by the high current density of the electrode lug, the electrode lug is easy to be degraded in a long-time high-temperature environment, the service life of the electrode lug is reduced, and on the other hand, most of existing protective shells are easy to work stably due to the size problem of the lithium battery when the lithium battery is loaded. Disclosure of utility model The utility model aims to solve the technical problems of providing the heat dissipation synergistic lithium battery tab device, which effectively reduces the temperature of a positive electrode tab and a negative electrode tab through a heat dissipation assembly, improves heat dissipation efficiency, enables a plurality of extrusion plates to realize multidirectional rapid clamping of a lithium battery through a fixing assembly, and is compatible with batteries of different sizes. The technical problems to be solved by the utility model are realized by adopting the following technical scheme: The heat dissipation efficiency-increasing type lithium battery tab device comprises a box body, a lithium battery is arranged in the box body, a positive tab and a negative tab are arranged at the top of the lithium battery, one side of the box body is connected with a mounting plate, heat dissipation components are arranged on the outer sides of the positive tab and the negative tab and used for reducing the temperature of the positive tab and the negative tab, each heat dissipation component comprises heat conduction silica gel, a heat dissipation sheet and a heat dissipation fan, and fixing components are arranged in the box body and used for fixing the lithium battery with different specifications, and each fixing component comprises an adjusting groove, a motor and a longitudinal extrusion plate. Preferably, the positive electrode lug with negative electrode lug one end all runs through the box, and the protrusion in the box upper surface, the positive electrode lug with the negative electrode lug outside all sets up heat conduction silica gel, the heat conduction silica gel outside is connected with the fin, a plurality of recesses have been seted up at the fin top, two fin one side all is provided with the sealing washer, the spring groove has been seted up to the sealing washer inside, spring groove internally mounted has coil spring, the mounting panel top is installed the heat dissipation box, heat dissipation box internally mounted has the air heater. Preferably, the regulating groove has been seted up to inside the box, box one side is provided with the motor, motor one side drive is connected with bull stick a, bull stick a both ends all are equipped with the screw thread that revolves to opposite, bull stick a outside is provided with two screw thread piece a, two horizontal spouts and two vertical spouts have been seted up to the box inside, two screw thread piece a top runs through corresponding horizontal spout to be connected with the horizontal stripper plate, bull stick a outside is provided with the turbine, the turbine top is provided with the vortex rod, both ends of vortex rod all are connected with bull stick b, two bull stick b surface is equipped with opposite direction's screw thread, two bull stick b outside all is provided with screw thread piece b, two screw thread piece b top passes corresponding vertical spout to be connected with vertical stripper plate, two vertical stripper plate and two horizontal stripper plate one side all are provided with the silica gel buffer layer. The beneficial effects of the utility model are as follows: The heat-conducting silica gel heat-conducting fan has the advantages that the heat-conducting silica gel, the heat-conducting fins and the heat-conducting fan in the heat-radiating assembly are utilized, heat is quickly conducted through the heat-conducting silica gel, the heat-radiating area is increased by combining the heat-conducting fins, the temperature of the positive electrode lug and the temperature of the negative electrode lug are effectively reduced b