CN210379175U

CN210379175U - Lithium battery pack with good stability

Info

Publication number: CN210379175U
Application number: CN201921467380.4U
Authority: CN
Inventors: 张寒; 尼彦娜
Original assignee: Beijing Juhe New Energy Technology Co ltd
Current assignee: Tianjin Shenzhou Judian New Energy Technology Development Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-04-21
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a lithium cell group that stability is good, including the battery case, the inner wall of battery case is provided with the baffle, and the top outer wall of baffle has placed a plurality of lithium cells, connects through the wire between the adjacent lithium cell, the inner wall of battery case is provided with the bottom plate, and the top outer wall of bottom plate opens and have a plurality of spacing holes, the inner wall in spacing hole and the outer wall sliding connection of lithium cell, the inner wall of battery case is provided with an upper fixed plate, and the top outer wall of an upper fixed plate opens and have a plurality of fixed orificess, the inner wall of fixed orifices and the outer wall sliding connection of lithium cell, the top outer wall of an upper fixed plate is opened has a plurality of screw holes, and the inner wall threaded connection of screw hole has the threaded rod. The utility model discloses can play the effect of fixed lithium cell, make its difficult emergence rock, stability can be better, has still realized the effective heat dissipation of lithium cell group, and then reaches its life's of extension effect.

Description

Lithium battery pack with good stability

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium cell group that stability is good.

Background

Lithium batteries are batteries which use lithium metal or lithium alloy as a negative electrode material and use non-aqueous electrolyte solution, and the lithium metal has very high environmental requirements on processing, storage and use due to the very active chemical characteristics of the lithium metal, and the lithium batteries become the mainstream at present along with the development of scientific technology.

At present, still there is certain weak point by the lithium cell group that the lithium cell constitutes, in the use, because the lithium cell is in the battery box through wire connection assembly, it all fixes in the battery box through glue usually, takes place to become flexible very easily, leads to the lithium cell to rock in the battery box, and the wire between the lithium cell also breaks off very easily, consequently, need to design a lithium cell group that stability is good and solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a lithium battery pack with good stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lithium battery pack with good stability comprises a battery box, wherein a partition board is arranged on the inner wall of the battery box, a plurality of lithium batteries are placed on the outer wall of the top of the partition board, adjacent lithium batteries are connected through a conducting wire, a lower fixing plate is arranged on the inner wall of the battery box, a plurality of limiting holes are formed in the outer wall of the top of the lower fixing plate, the inner wall of each limiting hole is in sliding connection with the outer wall of each lithium battery, an upper fixing plate is arranged on the inner wall of the battery box, a plurality of fixing holes are formed in the outer wall of the top of the upper fixing plate and in sliding connection with the outer wall of each lithium battery, a plurality of threaded holes are formed in the outer wall of the top of the upper fixing plate, threaded rods are in threaded connection with the inner walls of the threaded holes, adjusting wheels are arranged on the outer wall, the outer wall of one side of battery case is opened there is the installing port, and the inner wall of installing port rotates through the hinge and is connected with the box door.

As a further aspect of the present invention: the outer wall of the bottom of the limiting plate is provided with grooves close to the two sides, and the inner walls of the grooves are bonded with anti-slip pads.

As a further aspect of the present invention: the outer wall of lithium cell has cup jointed the heat absorbing cylinder, and the welding of one side outer wall of heat absorbing cylinder has the heat conduction pole, and the bottom outer wall of heat conduction pole is provided with the heat dissipation wing.

As a further aspect of the present invention: air holes are formed in the outer walls of the two sides of the battery box.

As a further aspect of the present invention: the outer wall of the battery box is sleeved with a rubber sleeve.

As a further aspect of the present invention: the inside of rubber sleeve is provided with a plurality of cavitys, and the inner wall of cavity is provided with the spring.

As a further aspect of the present invention: the outer wall of the rubber sleeve is provided with a plurality of radiating holes, and the shape of each radiating hole is rhombic.

The utility model has the advantages that:

1. the box door is opened through the upper fixing plate, the lower fixing plate, the threaded rod, the rotary table, the limiting plate and the non-slip mat, the lithium battery can be clamped in the limiting hole in the lower fixing plate and the fixing hole in the upper fixing plate, then the limiting plate on the rotary table is rotated, the lower end of the non-slip mat on the limiting plate is aligned to the top end of the lithium battery, and then the adjusting wheel is rotated, so that the threaded rod can be driven to move downwards, the non-slip mat on the limiting plate can be clamped at the upper end of the lithium battery, the effect of fixing the lithium battery is achieved, the;

2. through the arranged heat absorbing cylinder, the heat conducting rod, the heat dissipation fins and the air holes, the heat absorbing cylinder can absorb heat dissipated by the lithium battery, then the heat conducting rod guides the heat dissipation fins, external air can circulate at the bottom of the battery box through the air holes, the heat dissipation fins can be taken away, effective heat dissipation of the lithium battery pack is achieved, and the effect of prolonging the service life of the lithium battery pack is achieved;

3. through rubber sleeve, cavity, spring and the louvre that sets up, the rubber sleeve that is located outside the battery case can play the guard action to the battery case, and when it received vibrations, the spring of rubber sleeve cavity intracavity can be compressed, can play certain cushioning effect, and then reduces the damage that vibrations brought the lithium cell, and also can give off certain heat on the battery case through the louvre on the rubber sleeve, has more the practicality.

Drawings

Fig. 1 is a schematic cross-sectional view of a lithium battery pack with good stability as provided in example 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram of a lithium battery pack with good stability as provided in example 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a schematic diagram of the overall structure of a lithium battery pack with good stability as provided in example 2.

In the figure: the heat-absorbing device comprises a battery box 1, air vents 2, a partition plate 3, heat-radiating fins 4, a heat-conducting rod 5, a lower fixing plate 6, a heat-absorbing cylinder 7, a lithium battery 8, a box cover 9, a threaded rod 10, an upper fixing plate 11, an adjusting wheel 12, a rotating disc 13, a limiting plate 14, a non-slip mat 15, a rubber sleeve 16, a cavity 17, a spring 18 and heat-radiating holes 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a lithium battery pack with good stability comprises a battery box 1, a partition plate 3 is welded on the inner wall of the battery box 1, a plurality of lithium batteries 8 are placed on the outer wall of the top of the partition plate 3, adjacent lithium batteries 8 are connected through a lead, a lower fixing plate 6 is welded on the inner wall of the battery box 1, a plurality of limiting holes are formed in the outer wall of the top of the lower fixing plate 6, the inner walls of the limiting holes are in sliding connection with the outer walls of the lithium batteries 8, an upper fixing plate 11 is welded on the inner wall of the battery box 1, a plurality of fixing holes are formed in the outer wall of the top of the upper fixing plate 11, the inner walls of the fixing holes are in sliding connection with the outer walls of the lithium batteries 8, a plurality of threaded holes are formed in the outer wall of the top of the upper fixing plate 11, a threaded rod 10 is in threaded, the outer wall of the top of the battery box 1 is connected with a box cover 9 through a bolt, the outer wall of one side of the battery box 1 is provided with a mounting opening, and the inner wall of the mounting opening is rotatably connected with a box door through a hinge.

The bottom outer wall of the limiting plate 14 is provided with grooves close to the two sides, the inner wall of each groove is bonded with a non-slip mat 15, the outer wall of the lithium battery 8 is sleeved with a heat absorption cylinder 7, the outer wall of one side of the heat absorption cylinder 7 is welded with a heat conduction rod 5, the outer wall of the bottom of the heat conduction rod 5 is welded with heat dissipation fins 4, and the outer walls of the two sides of the battery box 1 are provided with air holes 2.

The working principle is as follows: during the use, open the box door, lithium cell 8 can block in the spacing hole on bottom plate 6 and the fixed orifices of upper fixed plate 11, then rotate limiting plate 14 on the carousel 13, make the lower extreme of slipmat 15 align lithium cell 8's top on the limiting plate 14, then rotate regulating wheel 12, can drive threaded rod 10 downstream, make slipmat 15 on the limiting plate 14 can block in lithium cell 8 upper end, play fixed lithium cell 8's effect, make it difficult for taking place to rock, the stability can be better, heat receiver 7 can absorb the heat that lithium cell 8 gived off, then through 5 direction heat dissipation wings 4 of conducting rod, external air can circulate in 1 bottom of battery case through bleeder vent 2, can take away the heat of heat dissipation wings 4, the effective heat dissipation of lithium cell group has been realized, and then reach the effect of prolonging its life.

Example 2

Referring to fig. 3-5, in this embodiment, compared with embodiment 1, the lithium battery pack with good stability further includes a rubber sleeve 16 sleeved on an outer wall of the battery case 1, a plurality of cavities 17 are formed inside the rubber sleeve 16, a spring 18 is disposed on an inner wall of each cavity 17, a plurality of heat dissipation holes 19 are formed in an outer wall of the rubber sleeve 16, and the heat dissipation holes 19 are rhombic.

The working principle is as follows: during the use, the rubber sleeve 16 that is located outside the battery case 1 can play the guard action to battery case 1, and when it received vibrations, the spring 18 of cavity 17 in the rubber sleeve 16 can be compressed, can play certain cushioning effect, and then reduces the damage that vibrations brought lithium cell 8, and also can give off certain heat on the battery case 1 through louvre 19 on the rubber sleeve 16, has more the practicality.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The lithium battery pack with good stability comprises a battery box (1) and is characterized in that a partition plate (3) is arranged on the inner wall of the battery box (1), a plurality of lithium batteries (8) are placed on the outer wall of the top of the partition plate (3), adjacent lithium batteries (8) are connected through a lead, a lower fixing plate (6) is arranged on the inner wall of the battery box (1), a plurality of limiting holes are formed in the outer wall of the top of the lower fixing plate (6), the inner wall of each limiting hole is connected with the outer wall of each lithium battery (8) in a sliding mode, an upper fixing plate (11) is arranged on the inner wall of the battery box (1), a plurality of fixing holes are formed in the outer wall of the top of the upper fixing plate (11), the inner wall of each fixing hole is connected with the outer wall of each lithium battery (8) in a sliding mode, a plurality of threaded holes are formed in, the bottom outer wall of threaded rod (10) is provided with regulating wheel (12), and the top outer wall welding of threaded rod (10) has carousel (13), and the outer wall rotation of carousel (13) is connected with limiting plate (14), the top outer wall fixedly connected with lid (9) of battery case (1), one side outer wall of battery case (1) is opened there is the installing port, and the inner wall of installing port is rotated through the hinge and is connected with the box door.

2. The lithium battery pack with good stability as claimed in claim 1, wherein the outer wall of the bottom of the limiting plate (14) is provided with a groove near both sides, and the inner wall of the groove is bonded with a non-slip mat (15).

3. The lithium battery pack with good stability as claimed in claim 2, wherein the outer wall of the lithium battery (8) is sleeved with a heat absorbing cylinder (7), the outer wall of one side of the heat absorbing cylinder (7) is welded with a heat conducting rod (5), and the outer wall of the bottom of the heat conducting rod (5) is provided with heat dissipating fins (4).

4. The lithium battery pack with good stability as claimed in claim 3, wherein the outer walls of both sides of the battery case (1) are provided with air holes (2).

5. The lithium battery pack with good stability according to any one of claims 1-4, wherein a rubber sleeve (16) is sleeved on the outer wall of the battery box (1).

6. The lithium battery pack with good stability as claimed in claim 5, wherein a plurality of cavities (17) are formed inside the rubber sleeve (16), and springs (18) are arranged on the inner walls of the cavities (17).

7. The lithium battery pack with good stability as claimed in claim 6, wherein the rubber sleeve (16) is provided with a plurality of heat dissipation holes (19) on the outer wall, and the shape of the heat dissipation holes (19) is diamond-shaped.