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CN-121995241-A - Battery testing device, battery testing method and battery production equipment

CN121995241ACN 121995241 ACN121995241 ACN 121995241ACN-121995241-A

Abstract

The application provides a battery testing device, a battery testing method and battery production equipment. The battery testing device comprises a cabinet body, a blower, a heating part and a cooling part, wherein a containing cavity is formed in the cabinet body and used for containing battery monomers, an air inlet is formed in the cabinet body, and the air inlet is communicated with the containing cavity. The air feeder is communicated with the air inlet and is used for blowing air to the accommodating cavity. The heating component is connected to the blower and is used for heating the wind blown by the blower. The cooling member is connected to the blower and is used for cooling the wind blown by the blower. According to the application, the battery test efficiency can be effectively improved.

Inventors

  • Xiao Liufei
  • HUANG CAIXIA
  • HE ZEHONG
  • MA JUNLIANG

Assignees

  • 宁德时代新能源科技股份有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (20)

  1. 1. A battery testing apparatus, comprising: The cabinet body is internally provided with a containing cavity for containing the battery monomer, and is provided with an air inlet which is communicated with the containing cavity; the air feeder is communicated with the air inlet and is used for blowing air to the accommodating cavity; A heating member connected to the blower, the heating member being configured to heat wind blown from the blower; and a cooling member connected to the blower, the cooling member being configured to cool air blown from the blower.
  2. 2. The battery testing device of claim 1, further comprising a detection member disposed within the cabinet for detecting a temperature of the cell surface.
  3. 3. The battery testing device according to claim 2, further comprising a control unit connected to the detecting unit, the heating unit, and the cooling unit, the control unit being configured to control operation parameters of the heating unit and the cooling unit based on detection information of the detecting unit.
  4. 4. A battery testing device according to any one of claims 1-3, wherein the cabinet is further provided with an air outlet, the air outlet being in communication with the accommodation chamber; the battery testing device further comprises an exhaust fan, and the exhaust fan is communicated with the air outlet.
  5. 5. The battery testing device of any one of claims 1-4, wherein the cabinet comprises a body having a cabinet opening in a first direction and a first wall portion pivotally connected to the body for covering the cabinet opening.
  6. 6. The battery testing device of claim 5, wherein the body comprises a second wall portion along a second direction, the second wall portion having an air outlet formed therein, the air outlet being in communication with the receiving cavity, the first direction intersecting the second direction; the battery testing device further comprises an exhaust fan, and the exhaust fan is communicated with the air outlet.
  7. 7. The battery testing device of claim 6, wherein the body further comprises a third wall portion and a fourth wall portion opposite in a third direction, the air inlet comprises a first inlet and a second inlet, the first inlet is disposed in the third wall portion, the second inlet is disposed in the fourth wall portion, and the first direction, the second direction, and the third direction are perpendicular to each other.
  8. 8. The battery testing device of any one of claims 1-7, further comprising a carrier for carrying the battery cells and a pressing member disposed on the carrier for pressing the battery cells.
  9. 9. The battery testing device according to claim 8, wherein the pressing member includes a first pressing member and a second pressing member disposed opposite to each other in the first direction, between which the battery cell is placed.
  10. 10. The battery testing device according to claim 9, wherein the bearing member is provided with a cavity, the pressurizing member is provided in the cavity, and the first pressurizing member and the second pressurizing member are provided on both sides of the cavity in the first direction, respectively.
  11. 11. The battery testing device according to claim 10, wherein the bearing member includes a frame having a first opening and a second opening at both ends thereof in a second direction, the cavity communicates with the first opening and the second opening, and a bearing plate detachably connected to the frame and covering the first opening, the bearing plate being for bearing the battery cell, the pressing member being connected to the frame, the first direction and the second direction intersecting.
  12. 12. The battery testing device of claim 11, wherein the carrier plate is provided with a recess, the recess is recessed toward one side of the cavity relative to the carrier plate, and the recess is used for plugging with the battery cell.
  13. 13. The battery testing device according to claim 11, wherein the first pressing member includes a first main body portion and two first connection portions, the two first connection portions are respectively connected to both ends of the first main body portion in a third direction, the first main body portion protrudes toward the second pressing member, the first connection portions are connected to the frame, and the first direction, the second direction, and the third direction are perpendicular to each other.
  14. 14. The battery testing device according to claim 13, wherein first grooves are respectively formed in two opposite side walls of the cavity along the third direction, and the two first connecting portions are respectively inserted into the first grooves of the two side walls.
  15. 15. The battery testing device of claim 9, wherein at least a portion of the first pressure member protrudes toward the second pressure member, and/or, At least a portion of the second pressing member protrudes toward the first pressing member.
  16. 16. The battery testing device of claim 9, wherein at least one of the first and second pressure members is an elastomer.
  17. 17. The battery testing device of claim 9, wherein at least one of the first and second pressure members is a sheet-like structure.
  18. 18. The battery testing device of claim 9, wherein a side of the first pressure member facing away from the second pressure member is provided with a first fin, and/or, And a second fin is arranged on one side of the second pressing piece, which is opposite to the first pressing piece.
  19. 19. The battery testing device of claim 9, wherein a side of the first pressing member adjacent to the second pressing member is provided with a first cushioning member having a hardness smaller than that of the first pressing member, and/or, And a second buffer piece is arranged on one side, close to the first pressure piece, of the second pressure piece, and the hardness of the second buffer piece is smaller than that of the second pressure piece.
  20. 20. The battery testing device of claim 8, wherein the pressurizing member is detachably connected to the carrier member.

Description

Battery testing device, battery testing method and battery production equipment Technical Field The present application relates to the field of battery technologies, and in particular, to a battery testing device, a battery testing method, and a battery production apparatus. Background With the development of new energy technology, the battery is increasingly widely applied, for example, to mobile phones, notebook computers, battery cars, electric automobiles, electric airplanes, electric ships, electric toy automobiles, electric toy ships, electric toy airplanes and electric tools. In the production process of the battery, the battery needs to be tested to confirm whether the quality of the battery is qualified or not, and the battery test efficiency can directly influence the overall production efficiency and economic benefit of the battery. Therefore, how to effectively improve the battery test efficiency is a technical problem of continuous improvement in battery technology. Disclosure of Invention In view of the above problems, the present application provides a battery testing device, a battery testing method, and a battery production apparatus, which can effectively improve the battery testing efficiency. In a first aspect, an embodiment of the present application provides a battery testing device, where the battery testing device includes a cabinet body, a blower, a heating component, and a cooling component, a receiving cavity is provided in the cabinet body, the receiving cavity is used for receiving a battery unit, the cabinet body is provided with an air inlet, and the air inlet is communicated with the receiving cavity. The air feeder is communicated with the air inlet and is used for blowing air to the accommodating cavity. The heating component is connected to the blower and is used for heating the wind blown by the blower. The cooling member is connected to the blower and is used for cooling the wind blown by the blower. The air blown by the blower is heated by the heating component, the hot air can comprehensively and directly contact the surface of the battery cell to quickly raise the temperature of the battery cell, and the cold air can comprehensively and directly contact the surface of the battery cell to quickly lower the temperature of the battery cell. In addition, the structural complexity and the cost of the blowing mode are relatively low, namely, the heating or cooling of a plurality of battery monomers can be simply realized. Therefore, the technical scheme can greatly shorten the time required by the self-discharge test, thereby effectively improving the test efficiency of the battery. In some embodiments of the first aspect, the battery testing device further includes a detecting member disposed in the cabinet, the detecting member configured to detect a temperature of a surface of the battery cell. According to the technical scheme, the detection component for detecting the surface temperature of the battery monomer is integrated in the battery testing device, and the temperature of the surface of the battery monomer in the testing process is monitored in real time, so that the battery testing effect is improved. In some embodiments of the first aspect, the battery testing device further includes a control unit connected to the detecting unit, the heating unit, and the cooling unit, the control unit being configured to control the operating parameters of the heating unit and the cooling unit according to the detection information of the detecting unit. According to the technical scheme, the control part is introduced, so that the working parameters of the heating part and the cooling part can be accurately and conveniently regulated and controlled, and the battery test effect and efficiency can be remarkably improved. In some embodiments of the first aspect, the cabinet is further provided with an air outlet, the air outlet is communicated with the accommodating cavity, and the battery testing device further comprises an exhaust fan, the exhaust fan is communicated with the air outlet. According to the technical scheme, the exhaust fan is introduced, so that the energy consumption during the temperature switching in the accommodating cavity can be reduced in the process of performing self-discharge test on the battery, and the battery testing cost can be reduced. In some embodiments of the first aspect, the cabinet includes a body having a cabinet opening in a first direction and a first wall portion pivotally connected to the body for covering the cabinet opening. According to the technical scheme, the influence of the external environment on the battery test can be reduced, the battery test quality is improved, and meanwhile, the use convenience of the battery test device is improved. In some embodiments of the first aspect, the body includes a second wall portion along a second direction, and an air outlet is formed in the second wall portion and is communicated with the