电池装置和用电装置

Abstract

本申请公开一种电池装置和用电装置。电池装置包括电池单体、第一箱本体、第二箱本体和密封件。第一箱本体包括承载板、第一侧壁板和第二侧壁板，沿第三方向，第一侧壁板和第二侧壁板之间具有缝隙。第二箱本体包括顶板和第三侧壁板，第三侧壁板与顶板连接。密封件包括第一密封部和第二密封部，第一密封部夹设于第三侧壁板和第一侧面之间以形成第一密封界面，第二密封部夹设于第三侧壁板和第二侧面之间以形成第二密封界面。沿第一方向，在缝隙背离于顶板的一侧，第一密封界面的宽度大于或等于6mm。沿第三方向，在缝隙背离于装配空间的一侧，第二密封界面的宽度大于或等于6mm。本申请提供的技术方案能够有效地提高电池装置的可靠性。

Claims

1. A battery device, characterized by, include: Battery cell; The first housing body includes a support plate, a first side wall panel, and a second side wall panel. The support plate has a support surface on one side in a first direction, which is used to support the battery cell along the first direction. The first side wall panel is connected to one side of the support plate along a second direction and protrudes from the support surface along the first direction. The second side wall panel is connected to one end of the support plate along a third direction and protrudes from the support surface along the first direction. A gap exists between the first side wall panel and the second side wall panel along the third direction. Along the second direction, the first side wall panel has a first side surface, and the second side wall panel has a second side surface. The second box body, together with the first box body, defines an assembly space for accommodating the battery cell. The second box body includes a top plate and a third side wall plate. The top plate and the support plate are arranged opposite to each other along the first direction. The third side wall plate is connected to the top plate. A sealing element for sealingly connecting the first box body and the second box body, the sealing element including a first sealing part and a second sealing part, the first sealing part being sandwiched between the third side wall panel and the first side to form a first sealing interface, and the second sealing part being sandwiched between the third side wall panel and the second side to form a second sealing interface; Wherein, along the first direction, on the side of the gap opposite to the top plate, the width of the first sealing interface is greater than or equal to 6 mm; Along the third direction, on the side of the gap opposite to the assembly space, the width of the second sealing interface is greater than or equal to 6 mm.

2. The battery device according to claim 1, characterized in that, Along the third direction, the first sidewall panel and the second sidewall panel are in contact with each other.

3. The battery device according to claim 1, characterized in that, The first side and the second side are coplanar.

4. The battery device according to claim 1, characterized in that, The first sealing portion covers at least a portion of the gap; or, Along the first direction, the entire first sealing portion is located on the side of the gap opposite to the top plate.

5. The battery device according to claim 1, characterized in that, The second sealing portion covers at least a portion of the gap; or, Along the third direction, the entire second sealing portion is located on the side of the gap opposite to the assembly space.

6. The battery device according to claim 1, characterized in that, The third sidewall panel has a first flange edge connected to the first side at the end away from the top plate in the first direction; The battery device further includes a first locking member that locks the first flange edge and the first side surface, and at least a portion of the first sealing portion is located on the side of the first locking member facing the top plate along the first direction.

7. The battery device according to claim 1, characterized in that, The third sidewall has a second flange edge connected to the second sidewall at one end along the third direction; The battery device further includes a second locking member that locks the second flange edge and the second sidewall plate. Along the third direction, at least a portion of the second seal is located on the side of the second locking member facing the assembly space.

8. The battery device according to claim 7, characterized in that, Along the first direction, the second sidewall panel has a third side surface, and the top plate has a third flange edge connected to the third side surface at one end along the third direction. The sealing element includes a third sealing part, which is sandwiched between the third flange edge and the third side surface. The battery device further includes a third locking member that locks the third flange edge and the third side surface. Along the third direction, at least a portion of the third seal is located on the side of the third locking member facing the assembly space.

9. The battery device according to claim 8, characterized in that, The third side surface is connected to the second side surface by an arc surface; The third flange edge and the second flange edge are connected by a fourth flange edge, which is connected to the arc surface.

10. The battery device according to any one of claims 1-9, characterized in that, The sealing element includes a fourth sealing portion; The battery device further includes a fourth locking member, through which the second side wall plate is connected to the support plate, and along the first direction, the fourth sealing part is sandwiched between the second side wall plate and the support plate.

11. The battery device according to claim 10, characterized in that, Along the third direction, the fourth locking member is located on the side of the fourth sealing portion opposite to the assembly space.

12. The battery device according to claim 10, characterized in that, Along the first direction, the side of the support plate facing the second side wall plate, and / or, the side of the second side wall plate facing the support plate is provided with a protrusion; Along the third direction, the protrusion is located on the side of the fourth sealing portion opposite to the assembly space.

13. The battery device according to claim 12, characterized in that, The fourth sealing part is connected to the first sealing part, and the size of the protrusion is greater than or equal to 6 mm along the first direction.

14. The battery device according to claim 12, characterized in that, Along the first direction, the fourth sealing part has a dimension of H1 in its natural state, and the protrusion has a dimension of H2, where H2 is greater than or equal to 40% of H1 and less than or equal to 85% of H1.

15. The battery device according to claim 12, characterized in that, Along the first direction, the fourth locking member passes through the protrusion and is connected to the bearing plate.

16. The battery device according to claim 15, characterized in that, The protrusion has a receiving cavity inside, and part of the fourth locking member is located in the receiving cavity.

17. The battery device according to claim 10, characterized in that, The first sealing part, the second sealing part, and the fourth sealing part are interconnected.

18. The battery device according to claim 17, characterized in that, The junction of the first sealing part, the second sealing part and the fourth sealing part is an integrally formed structure.

19. The battery device according to claim 1, characterized in that, There are two first sidewall panels, which are arranged opposite to each other along the second direction. There are two second sidewall panels, which are arranged opposite each other along the third direction.

20. An electrical device, comprising: Includes a battery device as described in any one of claims 1-19, the battery device being used to provide electrical energy.

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