CN213042955U

CN213042955U - Lithium battery module with self-protection function

Info

Publication number: CN213042955U
Application number: CN202120132342.4U
Authority: CN
Inventors: 何成峰; 纪玉鹏; 冯加平
Original assignee: Shandong Cosic Weineng New Energy Power System Co ltd
Current assignee: Shandong aerospace Weineng Technology Co.,Ltd.
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-23
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a lithium battery module with self preservation function, shell including lithium battery module, the one end sliding connection of shell has the end cover, the one end through the bolt fastening in shell is gone up to the end cover, the inside one end that is close to the end cover of shell is provided with heat abstractor, the inside intermediate position of shell is provided with lithium cell electricity core, lithium cell electricity core outer wall parcel has the mount, be provided with damping device between mount and the shell. This lithium battery module with self preservation function sets up heat abstractor, blows off the heat in the mount internal clearance through heat abstractor to can be better dispel the heat to lithium battery module inside, carry out the shock attenuation to lithium battery electricity core through damping device, thereby reduced in the environment of vibration, loose package assembly can lead to the lithium cell among the combination formula lithium cell to collide with each other.

Description

Lithium battery module with self-protection function

Technical Field

The utility model relates to a lithium battery module's technical field especially relates to a lithium battery module with self preservation function.

Background

Most of the existing lithium batteries are 18650 lithium batteries, 26650 lithium batteries, aluminum-shell square lithium batteries, soft package lithium batteries and the like. The current lithium cell adopts the duroplasts more to fix, prevents that the structure is loose, perhaps a plurality of lithium cells are assembled side by side and are placed, is fixed by metal support and forms the combination formula lithium cell group, and lithium cell inner structure seals, mainly relies on the side to dispel the heat, if the lithium cell among the combination formula lithium cell laminates each other, when compact arrangement, the radiating effect of lithium cell is relatively poor, can influence the lithium cell life-span, generally adopts loose package assembly to solve the heat dissipation problem.

However, in some vibration environments, the loose assembly structure may cause the lithium batteries in the combined lithium battery to collide with each other, causing structural damage to the inside, and when the lithium batteries are fixed by hard plastic, heat is difficult to dissipate due to concentrated installation of the lithium batteries.

Disclosure of Invention

The utility model aims at solving prior art, loose package assembly can lead to the lithium cell among the combination formula lithium cell to collide each other, causes the structural damage of inside, when carrying out the lithium cell of fixing through the duroplast, because the lithium cell concentrates the installation and leads to the problem that the heat is difficult to scatter, and the lithium cell module that has the self preservation function that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the battery pack comprises a shell of a lithium battery module, wherein one end of the shell is connected with an end cover in a sliding manner, the end cover is fixed at one end of the shell through a bolt, a heat dissipation device is arranged at one end, close to the end cover, inside the shell, a lithium battery cell is arranged at the middle position inside the shell, a fixing frame wraps the outer wall of the lithium battery cell, and a damping device is arranged between the fixing frame and the shell;

damping device is including setting up in the inside first connecting piece of shell, the upper end of first connecting piece articulates there are two connecting rods, there is the slider upper end of connecting rod through ball-type articulate respectively, the top of connecting rod is provided with the mount pad, the fixed guide bar that is provided with in inside of mount pad, the slider slides in the outer wall of guide bar, the both ends of slider are provided with the spring that resets the slider to the intermediate position respectively.

Further, the mounting seat is fixed on the outer wall of the fixing frame.

Further, the end cover includes left end cover and right-hand member lid, the groove of accomodating that is used for placing the active carbon filter screen is offered to the face of being connected of left end cover and right-hand member lid, a plurality of louvres have been offered to the position that left end cover and right-hand member lid correspond the groove of accomodating, the edge of the face of being connected of left end cover and right-hand member lid is provided with the draw runner, be provided with on the shell and be used for the gliding spout of draw runner.

Furthermore, a baffle is arranged at one end, close to the heat dissipation device, of the lithium battery cell.

Further, heat abstractor includes that the motor that is fixed in the shell inside through the mounting panel, the output shaft fixedly connected with pivot of motor, the fixed fan that is provided with in the pivot.

Furthermore, a plurality of air holes are formed in the outer wall of the shell.

Further, the mount is made by the better material of heat conductivity, the mount is with lithium cell electricity core evenly distributed in the inside of shell, and convenient radiating bleeder vent is seted up to the mount simultaneously.

Further, the lower end of the first connecting piece is connected with the outer shell ball.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this lithium battery module with self preservation function sets up heat abstractor, blows off the heat in the mount internal clearance through heat abstractor to can be better dispel the heat to lithium battery module inside, carry out the shock attenuation to lithium battery electricity core through damping device, thereby reduced in the environment of vibration, loose package assembly can lead to the lithium cell among the combination formula lithium cell to collide with each other.

Drawings

Fig. 1 is a front view of a lithium battery module with a self-protection function according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 of a lithium battery module with a self-protection function according to the present invention;

fig. 3 is a schematic view of an end cap structure of a lithium battery module with a self-protection function according to the present invention.

In the figure: 1. a housing; 101. a baffle plate; 2. an end cap; 201. a left end cap; 202. a right end cap; 203. filtering with a screen; 3. a heat sink; 301. a motor; 302. a fan; 4. a lithium battery cell; 5. a fixed mount; 6. a damping device; 601. a first connecting member; 602. a connecting rod; 603. a slider; 604. a guide bar; 605. a spring; 606. and (7) mounting a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a lithium battery module with self-protection function, includes shell 1 of lithium battery module, and the one end sliding connection of shell 1 has end cover 2, passes through the one end of bolt fastening in shell 1 on the end cover 2, and the inside one end that is close to end cover 2 of shell 1 is provided with heat abstractor 3, and the inside intermediate position of shell 1 is provided with lithium cell electricity core 4, and the outer wall parcel of lithium cell electricity core 4 has mount 5, is provided with damping device 6 between mount 5 and the shell 1.

Damping device 6 is including setting up in the inside first connecting piece 601 of shell 1, and the upper end of first connecting piece 601 articulates there are two connecting rods 602, and there is slider 603 upper end of connecting rod 602 through ball-type articulate respectively, and the top of connecting rod 602 is provided with mount pad 606, and the fixed guide bar 604 that is provided with in inside of mount pad 606, slider 603 slide in the outer wall of guide bar 604, and the both ends of slider 603 are provided with respectively with slider 603 to the spring 605 of intermediate position reset.

Further, the mounting seat 606 is fixed to an outer wall of the fixing frame 5.

Further, end cover 2 includes left end cover 201 and right end cover 202, and the groove of accomodating that is used for placing active carbon filter screen 203 is offered to the face of being connected of left end cover 201 and right end cover 202, and a plurality of louvres have been offered to the position that left end cover 201 and right end cover 202 correspond the groove of accomodating, and the edge of the face of being connected of left end cover 201 and right end cover 202 is provided with the draw runner, is provided with on the shell 1 to be used for the gliding spout of draw runner.

Further, a baffle 101 is disposed at one end of the lithium battery cell 4 close to the heat dissipation device 3.

Further, the heat dissipation device 3 includes a motor 301 fixed inside the housing 1 through a mounting plate, an output shaft of the motor 301 is fixedly connected with a rotating shaft, and a fan 302 is fixedly arranged on the rotating shaft.

Further, the outer wall of the shell 1 is provided with a plurality of air holes.

Further, mount 5 is made by the better material of heat conductivity, and mount 5 evenly distributed lithium battery electricity core 4 in the inside of shell 1, and convenient radiating bleeder vent has been seted up to mount 5 simultaneously.

Further, the lower end of the first connecting member 601 is ball-jointed with the housing 1.

The working principle is as follows: lithium battery cell 4 installs in the inside of shell 1 through mount 5, be provided with ventilative layer in the inside of mount 5, thereby cold wind blows to lithium battery cell 4 from heat abstractor 3 when heat abstractor 3 opens, spread the heat through ventilative layer, then exhaust in the bleeder vent from shell 1, thereby can be better dispel the heat to lithium battery module inside, this device is provided with damping device 6 simultaneously, when lithium battery module receives vibrations, slider 603 can slide on guide bar 604, cushion by spring 605 again, thereby avoid in some have the environment of vibration, loose package assembly can lead to the lithium cell among the combination formula lithium cell to collide with each other, cause the structural damage of inside.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The lithium battery module with the self-protection function is characterized by comprising a shell (1) of the lithium battery module, wherein one end of the shell (1) is connected with an end cover (2) in a sliding mode, the end cover (2) is fixed at one end of the shell (1) through a bolt, a heat dissipation device (3) is arranged at one end, close to the end cover (2), in the shell (1), a lithium battery cell (4) is arranged in the middle of the interior of the shell (1), a fixing frame (5) wraps the outer wall of the lithium battery cell (4), and a damping device (6) is arranged between the fixing frame (5) and the shell (1);

damping device (6) are including setting up in inside first connecting piece (601) of shell (1), the upper end of first connecting piece (601) articulates there are two connecting rods (602), there are slider (603) upper end of connecting rod (602) through ball-type articulate respectively, the top of connecting rod (602) is provided with mount pad (606), the fixed guide bar (604) that is provided with in inside of mount pad (606), slider (603) slide in the outer wall of guide bar (604), the both ends of slider (603) are provided with spring (605) that resets slider (603) to the intermediate position respectively.

2. The lithium battery module with self-protection function as claimed in claim 1, wherein the mounting seat (606) is fixed on the outer wall of the fixing frame (5).

3. The lithium battery module with the self-protection function according to claim 1, wherein the end cover (2) comprises a left end cover (201) and a right end cover (202), a receiving groove for placing the activated carbon filter screen (203) is formed in a connecting surface of the left end cover (201) and the right end cover (202), a plurality of heat dissipation holes are formed in positions of the left end cover (201) and the right end cover (202) corresponding to the receiving groove, a slide bar is arranged at an edge of the connecting surface of the left end cover (201) and the right end cover (202), and a sliding groove for sliding the slide bar is formed in the housing (1).

4. The lithium battery module with the self-protection function as claimed in claim 1, wherein a baffle (101) is arranged at one end of the lithium battery cell (4) close to the heat sink (3).

5. The lithium battery module with the self-protection function as claimed in claim 1, wherein the heat sink (3) comprises a motor (301) fixed inside the housing (1) through a mounting plate, an output shaft of the motor (301) is fixedly connected with a rotating shaft, and a fan (302) is fixedly arranged on the rotating shaft.

6. The lithium battery module with the self-protection function as claimed in claim 1, wherein the outer wall of the housing (1) is provided with a plurality of air holes.

7. The lithium battery module with the self-protection function as claimed in claim 1, wherein the fixing frame (5) uniformly distributes the lithium battery cells (4) inside the housing (1), and the fixing frame (5) is provided with air holes for facilitating heat dissipation.

8. The lithium battery module with self-protecting function as claimed in claim 1, wherein the lower end of the first connecting member (601) is ball-jointed with the housing (1).