CN211829119U

CN211829119U - Lithium ion battery pack with good heat dissipation function

Info

Publication number: CN211829119U
Application number: CN202020943397.9U
Authority: CN
Inventors: 孟猛; 张奇; 刘振华; 黄侃; 林莎莎
Original assignee: Shandong Guosheng Battery Technology Co ltd
Current assignee: Shandong Guosheng Battery Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2020-10-30
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a lithium ion battery group with good heat dissipation function, including the device box, the inside of device box is equipped with the device groove, the inside in device groove is equipped with a plurality of lithium ion battery, the upper end of device box is equipped with the apron, the inside of apron is equipped with the heat dissipation mechanism that is used for cooling down a plurality of lithium ion battery, be equipped with between device box and the apron and be used for carrying out the block mechanism that fixes to the heat dissipation mechanism. The utility model discloses it is rational in infrastructure, can be in the back that generates heat of lithium ion battery group, cool down lithium ion battery group through many copper pipes and its inside liquid water.

Description

Lithium ion battery pack with good heat dissipation function

Technical Field

The utility model relates to a lithium ion battery technical field especially relates to a lithium ion battery group with good heat dissipation function.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode, and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state, whereas during discharging, the reverse is true. Lithium ion batteries have become the most widely used power energy at present due to their environmental protection and energy saving properties, and lithium ion battery packs composed of a plurality of single batteries connected in series or in parallel or in series and parallel have become more and more widely used as power supply energy sources to be applied to various fields due to their high capacity and high rate discharge properties.

However, the existing lithium ion battery pack can release heat during operation, and if no good heat dissipation device is used for dissipating heat of the lithium ion battery pack, the heat can be gathered together, so that explosion of the lithium ion battery pack can be caused, and further danger is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a lithium ion battery pack with a good heat dissipation function.

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

the utility model provides a lithium ion battery group with good heat dissipation function, includes the device box, the inside of device box is equipped with the device groove, the inside in device groove is equipped with a plurality of lithium ion battery, the upper end of device box is equipped with the apron, the inside of apron is equipped with the heat dissipation mechanism that is used for cooling down a plurality of lithium ion battery, be equipped with between device box and the apron and be used for carrying out the block mechanism that fixes to heat dissipation mechanism.

Preferably, the heat dissipation mechanism comprises a fixing strip which is arranged in the device groove and used for fixing a plurality of lithium ion batteries, copper pipes are inserted between a plurality of adjacent lithium ion batteries, and the tops of the copper pipes penetrate through the cover plate and are in sliding connection with the cover plate.

Preferably, the block mechanism includes the inserted bar with the bottom one end fixed connection of apron, the lateral wall of device box be equipped with inserted bar complex slot, the inside of device box is equipped with the bar chamber in one side of slot, the inside sliding connection in bar chamber has the slide, the inside fixedly connected with kelly of slide, the outer fringe of kelly is equipped with the spring in the inside cover in bar chamber, the slide passes through the spring and the lateral wall elastic connection in bar chamber, the lateral wall of inserted bar is equipped with the draw-in groove, the one end of kelly runs through the lateral wall in bar chamber and inserts the inside of draw-in groove and with the inserted bar chucking.

Preferably, the inside of a plurality of copper pipes all is equipped with the circle chamber, and a plurality of the inside of circle chamber all is filled with a small amount of liquid water in advance.

Preferably, the other side wall of the device box is provided with a groove, the inside of the groove is rotatably connected with a rotating shaft, and the device box is rotatably connected with one end of the cover plate through the rotating shaft.

Preferably, the outer edges of the copper pipes are fixedly connected with limiting blocks used for limiting the insertion depth of the copper pipes outside the cover plate.

The utility model has the advantages that:

1. by arranging the plurality of copper pipes, heat can be transferred to the inside of the copper pipes after the lithium ion battery pack generates heat, then liquid water in the copper pipes is changed into water vapor and moves upwards, and then the liquid water is condensed into liquid water and flows back when the liquid water meets cold outside the cover plate, so that circulation is realized, and the effect of cooling the lithium ion battery pack is achieved;

2. through setting up block mechanism, can be fixed in the top of device box with the apron, and then make a plurality of copper pipes can keep relatively stable with lithium ion battery group to guarantee the normal clear of heat dissipation work.

Drawings

Fig. 1 is a schematic structural diagram of a lithium ion battery pack with a good heat dissipation function according to the present invention;

fig. 2 is a top view of a lithium ion battery pack with good heat dissipation function according to the present invention;

fig. 3 is an enlarged view of a structure at B of a lithium ion battery pack with a good heat dissipation function according to the present invention.

In the figure: the device comprises a device box 1, a cover plate 2, a device groove 3, a fixing strip 4, a lithium ion battery 5, a copper pipe 6, a limiting block 7, an insertion rod 8, an insertion groove 9, a strip-shaped cavity 10, a sliding plate 11, a clamping rod 12, a spring 13, a clamping groove 14 and a rotating shaft 15.

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 ion battery pack with a good heat dissipation function comprises a device box 1, a device groove 3 is arranged inside the device box 1, a plurality of lithium ion batteries 5 are arranged inside the device groove 3, a cover plate 2 is arranged at the upper end of the device box 1, a heat dissipation mechanism for cooling the plurality of lithium ion batteries 5 is arranged inside the cover plate 2, and a clamping mechanism for fixing the heat dissipation mechanism is arranged between the device box 1 and the cover plate 2.

The utility model discloses in, heat dissipation mechanism is including setting up in the inside fixed strip 4 that is used for fixed a plurality of lithium ion battery 5 of device groove 3, all inserts between a plurality of adjacent lithium ion battery 5 and is equipped with copper pipe 6, and the top of a plurality of copper pipes 6 all runs through apron 2 and with 2 sliding connection of apron.

Specifically, block mechanism includes the inserted bar 8 with the bottom one end fixed connection of apron 2, the lateral wall of device box 1 is equipped with and inserts 8 complex slot 9 with inserted bar, the inside of device box 1 is equipped with strip chamber 10 in one side of slot 9, the inside sliding connection in strip chamber 10 has slide 11, the inside fixedly connected with kelly 12 of slide 11, the outer fringe of kelly 12 is equipped with spring 13 in the inside cover in strip chamber 10, slide 11 passes through spring 13 and the lateral wall elastic connection in strip chamber 10, the lateral wall of inserted bar 8 is equipped with draw-in groove 14, the lateral wall in strip chamber 10 is run through to the one end of kelly 12 and the inside of inserting into draw-in groove 14 and with the chucking of inserted bar 8, and then make a plurality of copper pipes 6 can keep relatively stable with lithium ion battery group, in order to guarantee the normal clear of heat dissipation.

It is specific, a plurality of copper pipes 6's inside all is equipped with the circle chamber, the inside in a plurality of circle chambers is all filled in advance has a small amount of liquid water, device box 1's opposite lateral wall is equipped with the recess, the internal rotation of recess is connected with pivot 15, device box 1 rotates through pivot 15 and apron 2's one end to be connected, the outer fringe of a plurality of copper pipes 6 is used for restricting the stopper 7 of a plurality of copper pipes 6 depth of insertion in the equal fixedly connected with in outside of apron 2, can be after lithium ion battery group generates heat, cool down lithium ion battery group through many copper pipes 6 and its inside liquid water.

The utility model discloses during the use, only need to place device box 1 level in suitable position earlier. Then, a plurality of lithium ion batteries 5 are fixed by a fixing strip 4 and then placed in a device groove 3 in a device box 1, then a cover plate 2 is rotated by a rotating shaft 15, then an inserting rod 8 fixedly connected with the bottom of the cover plate 2 is inserted into the slot 9, then a sliding plate 11 in a strip-shaped cavity 10 drives a clamping rod 12 to move towards the slot 9 under the elastic force of a spring 13, so that the front end of the clamping rod 12 can be inserted into a clamping groove 14, then the cover plate 2 is fixed with the device box 1, then a plurality of copper pipes 6 are inserted between the plurality of lithium ion batteries 5 inserted into the device groove 3 through round openings in the cover plate 2, after the lithium ion battery pack generates heat, the heat is transferred to the interiors of the plurality of copper pipes 6, then liquid water in the plurality of copper pipes 6 becomes water vapor and moves upwards, then the liquid water is cooled outside the cover plate 2 and then condenses into liquid water and flows back, with this circulation, and then reach the effect of cooling down to lithium ion battery group.

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 utility model provides a lithium ion battery group with good heat dissipation function, includes device box (1), its characterized in that, the inside of device box (1) is equipped with device groove (3), the inside of device groove (3) is equipped with a plurality of lithium ion battery (5), the upper end of device box (1) is equipped with apron (2), the inside of apron (2) is equipped with and is used for carrying out the heat dissipation mechanism that cools down to a plurality of lithium ion battery (5), be equipped with between device box (1) and apron (2) and be used for carrying out the block mechanism that fixes to heat dissipation mechanism.

2. The lithium ion battery pack with the good heat dissipation function according to claim 1, wherein the heat dissipation mechanism comprises a fixing strip (4) which is arranged inside the device groove (3) and used for fixing a plurality of lithium ion batteries (5), copper pipes (6) are inserted between a plurality of adjacent lithium ion batteries (5), and the tops of the copper pipes (6) penetrate through the cover plate (2) and are in sliding connection with the cover plate (2).

3. The lithium ion battery pack with good heat dissipation function according to claim 1, the clamping mechanism comprises an inserted bar (8) fixedly connected with one end of the bottom of the cover plate (2), the side wall of the device box (1) is provided with a slot (9) matched with the inserted bar (8), a strip-shaped cavity (10) is arranged at one side of the slot (9) in the device box (1), a sliding plate (11) is connected in the strip-shaped cavity (10) in a sliding manner, a clamping rod (12) is fixedly connected in the sliding plate (11), a spring (13) is sleeved at the outer edge of the clamping rod (12) in the strip-shaped cavity (10), the sliding plate (11) is elastically connected with the side wall of the strip-shaped cavity (10) through a spring (13), the side wall of inserted bar (8) is equipped with draw-in groove (14), the one end of kelly (12) runs through the lateral wall in bar chamber (10) and inserts the inside of draw-in groove (14) and with inserted bar (8) chucking.

4. The lithium ion battery pack with good heat dissipation function as claimed in claim 2, wherein a plurality of the copper tubes (6) are provided with circular cavities inside, and a small amount of liquid water is pre-filled in the circular cavities.

5. The lithium ion battery pack with good heat dissipation function as claimed in claim 1, wherein a groove is formed in the other side wall of the device box (1), a rotating shaft (15) is rotatably connected to the inside of the groove, and the device box (1) is rotatably connected to one end of the cover plate (2) through the rotating shaft (15).

6. The lithium ion battery pack with the good heat dissipation function according to claim 2, wherein the outer edges of the plurality of copper tubes (6) and the outer portion of the cover plate (2) are fixedly connected with limit blocks (7) for limiting the insertion depth of the plurality of copper tubes (6).