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CN-224232794-U - Battery device and electric equipment

CN224232794UCN 224232794 UCN224232794 UCN 224232794UCN-224232794-U

Abstract

The embodiment of the application provides a battery device and electric equipment, and relates to the technical field of batteries. Including the battery box with install the battery monomer in the battery box, the battery box includes relative first wall and second wall, battery device includes the intermediate part and is located the lateral part of intermediate part both sides, intermediate part is equipped with first connection structure, and first connection structure runs through in first wall, the inner chamber and the second wall of battery box. According to the application, the electric equipment is connected through the first connecting structure, so that the integral structure of the battery device on the middle part can be connected with the electric equipment, the connection stability of the battery device on the middle part and the electric equipment is improved, the possibility that the middle part of the battery device resonates when the electric equipment vibrates is reduced, and the structural stability and reliability of the battery device are improved.

Inventors

  • Gao Bang
  • ZHOU CONG
  • Hou Yuepan
  • Zhai xuan
  • HUANG XIAOTENG

Assignees

  • 宁德时代新能源科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250414

Claims (20)

  1. 1. The battery device is characterized by comprising a battery box body and battery monomers arranged in the battery box body, wherein the battery box body comprises a first wall, a second wall and side walls, the first wall and the second wall are opposite to each other, the side walls are connected between the first wall and the second wall, an inner cavity of the battery box body is formed by the first wall, the second wall and the side walls together, the battery device comprises a middle portion and side portions located on two sides of the middle portion along a first direction intersecting with the arrangement direction of the first wall to the second wall, the size of the middle portion along the first direction is larger than or equal to that of each side portion along the first direction, and at least one first connecting structure is arranged on the middle portion, penetrates through the first wall, the inner cavity and the second wall and is used for connecting electric equipment.
  2. 2. The battery device according to claim 1, wherein the first connection structure includes a first connection portion provided on the first wall and a second connection portion provided on the second wall, the first connection portion and the second connection portion being aligned in a second direction, the second direction being an arrangement direction of the first wall to the second wall.
  3. 3. The battery device of claim 2, further comprising a heat exchange member within the battery housing, the heat exchange member being connected to the first wall or the second wall, the first connection structure including a third connection portion extending through the heat exchange member, the third connection portion being located between the first connection portion and the second connection portion.
  4. 4. The battery device of claim 3, wherein the first connection portion includes a first connection hole, the second connection portion includes a second connection hole, and the third connection portion includes a third connection hole in communication with the first connection hole and the second connection hole, respectively.
  5. 5. The battery device of claim 4, wherein the first connection structure further comprises a first connection member, the first connection member being connected to the first connection hole, the second connection hole, and the third connection hole in a penetrating manner, the first connection member being configured to connect the powered device.
  6. 6. The battery device of claim 5, wherein the first connection hole, the second connection hole, and the third connection hole are each a waist-shaped hole.
  7. 7. The battery device according to claim 5, wherein the first connecting member is a tubular member having two open ends and hollow inside, the first connecting structure further comprises a second connecting member, the second connecting member is disposed through the first connecting member, and the first connecting member is connected with the electric device through the second connecting member.
  8. 8. The battery device according to claim 4, wherein the minimum aperture of the first connection hole, the minimum aperture of the second connection hole, and the minimum aperture of the third connection hole are respectively 10mm to 50mm.
  9. 9. The battery device according to claim 8, wherein the minimum aperture of the first connection hole, the minimum aperture of the second connection hole, and the minimum aperture of the third connection hole are 15mm to 30mm, respectively.
  10. 10. The battery device according to claim 3, wherein a heat exchange medium flow passage is provided in the heat exchange member, and the heat exchange medium flow passage and the third connecting portion are arranged in a staggered manner in the second direction.
  11. 11. The battery device according to claim 10, wherein a minimum distance between the heat exchange medium flow passage and the third connection portion is greater than or equal to 5mm.
  12. 12. The battery device of claim 11, wherein a minimum distance of the heat exchange medium flow passage from the third connection portion is less than or equal to 40mm.
  13. 13. The battery device according to claim 10, wherein the heat exchange medium flow passage has a relief section facing the third connection portion, the relief section being recessed in a direction away from the third connection portion.
  14. 14. The battery device of claim 13, wherein the relief segment is an arc segment.
  15. 15. The battery device of any one of claims 3-14, wherein the battery housing includes a support beam connected between opposing side walls, the first connection structure including a fourth connection portion extending through the support beam, the fourth connection portion being located between the first connection portion and the third connection portion.
  16. 16. The battery device according to claim 1, wherein the number of the first connection structures is plural, and the plural first connection structures are arranged at intervals along the first direction and/or a third direction intersecting the first direction and the arrangement direction of the first wall to the second wall, respectively.
  17. 17. The battery device according to claim 16, wherein a plurality of the first connection structures are arranged at intervals along the third direction, and a minimum distance between two adjacent first connection structures along the third direction is 100mm to 2000mm.
  18. 18. The battery device of claim 17, wherein a minimum distance between two adjacent first connection structures along the third direction is 300mm-1000mm.
  19. 19. The battery device according to any one of claims 1 to 14, wherein the first connection structure is provided on a first middle line of the battery device in the first direction and/or the first connection structure is provided on a second middle line of the battery device in a third direction intersecting the first direction and the arrangement direction of the first wall to the second wall, respectively.
  20. 20. The battery device according to any of claims 1-14, wherein the side portion is provided with at least one second connection structure for connecting the powered device.

Description

Battery device and electric equipment Technical Field The present application relates to the field of battery technology, and more particularly, to a battery device and an electric device. Background Battery devices are widely used in electronic equipment such as cellular phones, notebook computers, battery cars, electric vehicles, electric airplanes, electric ships, electric toy vehicles, electric toy ships, electric toy airplanes, electric tools, and the like. Along with the increase of the size and the weight of the battery device, how to improve the connection stability of the battery device and the electric equipment is one research direction in the battery technology. Disclosure of utility model The application provides a battery device and electric equipment, which can improve the connection stability of the battery device and the electric equipment. In a first aspect, an embodiment of the present application provides a battery device, including a battery case and a battery unit installed in the battery case, where the battery case includes opposite first and second walls and a side wall connected between the first and second walls, the first, second and side walls together form an inner cavity of the battery case, and the battery device includes a middle portion and side portions located at both sides of the middle portion along a first direction intersecting an arrangement direction of the first and second walls, a dimension of the middle portion along the first direction is greater than or equal to a dimension of each side portion along the first direction, and the middle portion is provided with at least one first connection structure penetrating through the first, second and inner cavities and used for connecting electrical devices. By adopting the technical scheme, the first connecting structure is arranged at the middle part of the battery device, and penetrates through the first wall, the inner cavity of the battery device and the second wall, and the electric equipment is connected through the first connecting structure, so that the integral structure of the battery device on the middle part can be connected with the electric equipment, the connection stability of the battery device on the middle part and the electric equipment is improved, the possibility that the middle part of the battery device resonates when the electric equipment vibrates is reduced, and the structural stability and reliability of the battery device are improved. In some embodiments of the present application, the first connection structure includes a first connection portion provided on the first wall and a second connection portion provided on the second wall, the first connection portion and the second connection portion being aligned along a second direction, the second direction being an arrangement direction of the first wall to the second wall. By adopting the technical scheme, the first connecting structure is designed to comprise the first connecting part arranged on the first wall of the battery box body and the second connecting part arranged on the second wall of the battery box body, so that the two walls of the battery box body can be connected with electric equipment, and the connection stability of the battery box body and the electric equipment is improved. In some embodiments of the application, the battery device further comprises a heat exchange member located within the battery case, the heat exchange member being connected to the first wall or the second wall, the first connection structure comprising a third connection portion extending through the heat exchange member, the third connection portion being located between the first connection portion and the second connection portion. By adopting the technical scheme, the first connection structure is designed to comprise the third connection part positioned on the heat exchange part, so that the heat exchange part of the battery device can be connected with electric equipment, and the connection stability of the heat exchange part and the whole battery device with the electric equipment is improved. In some embodiments of the application, the first connection portion includes a first connection hole, the second connection portion includes a second connection hole, and the third connection portion includes a third connection hole in communication with the first connection hole and the second connection hole, respectively. By adopting the technical scheme, the first connecting part is designed to comprise a first connecting hole, the second connecting part is designed to comprise a second connecting hole, the third connecting part is designed to comprise a third connecting hole, electric equipment is abutted through the connecting hole structure, and the electric equipment butt joint device is simple in structure and convenient to process and assemble the battery device. In some embodiments of the present application, the first connection structure