CN215988988U

CN215988988U - Power battery pack with good heat dissipation performance

Info

Publication number: CN215988988U
Application number: CN202122068950.6U
Authority: CN
Inventors: 邓纶浩
Original assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Current assignee: Jiangxi Jiuding Power New Energy Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-08
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a power battery pack with good heat dissipation, which comprises a placing box and a rubber buffer plate, wherein a sponge base plate is fixedly connected to the inner wall of the placing box, a thin copper plate is fixedly installed at the top of the sponge base plate, a thin silver guide wire is fixed to the inner wall of the thin copper plate, a heat-conducting silica gel sheet is fixedly connected to the end portion of the thin silver guide wire, a copper column is fixedly installed on the side of the heat-conducting silica gel sheet, and a clamping groove is formed in the top of the rubber buffer plate. This good heat dissipation's power battery group, the heat that produces during power battery operation conducts through heat conduction silica gel piece to the thin copper plate on then in advancing next power battery through the copper post conduction to this carries out balanced control with the power battery's on both sides temperature, very big has avoided the power battery performance that leads to because long-term temperature difference and the problem that life descends takes place, has increased power battery's safety in utilization to a certain extent.

Description

Power battery pack with good heat dissipation performance

Technical Field

The utility model relates to the technical field of power battery packs, in particular to a power battery pack with good heat dissipation performance.

Background

The power battery is a power supply for providing power source for tools, and is mostly a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts, and is mainly different from a starting battery for starting automobile engines, and valve port sealed lead-acid storage batteries, open tubular lead-acid storage batteries and lithium iron phosphate storage batteries are mostly adopted, because the kinetic energy provided by a single power battery is low, people generally match a plurality of power batteries to form a power battery pack for use, but the existing power battery pack has certain defects, such as:

1. the existing power battery pack generally has a gap in the middle, so that the battery temperatures at two sides cannot be kept the same, long-term temperature abnormality has great influence on the performance and the service life of the power battery, even safety problems such as thermal runaway and the like can occur, and further certain use defects exist;

2. the conventional power battery pack generally has a poor buffering and damping effect on a power battery, and when the power battery correspondingly shakes along with the shaking of a vehicle, the outer skin of the power battery is easily damaged or deformed, so that the service life and the use safety of the power battery are influenced to a certain extent.

In order to solve the problems, innovative design is urgently needed on the basis of the original power battery pack structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power battery pack with good heat dissipation, which aims to solve the safety problems that the battery temperature at two sides cannot be kept the same due to a gap left in the middle, long-term temperature abnormity has great influence on the performance and the service life of a power battery, even thermal runaway can occur and the like, the buffering and damping effect on the power battery is not ideal, when the power battery correspondingly shakes along with the shaking of a vehicle, the damage or the deformation of the outer skin of the power battery is easy to cause, and the service life and the use safety of the power battery are influenced to a certain extent.

In order to achieve the purpose, the utility model provides the following technical scheme: a power battery pack with good heat dissipation performance comprises a placing box and a rubber buffer plate, wherein the inner wall of the placing box is fixedly connected with a sponge base plate, the top of the sponge base plate is fixedly provided with a thin copper plate, and the inner wall of the thin copper plate is fixed with a fine silver guide wire, and the end part of the fine silver guide wire is fixedly connected with a heat-conducting silica gel sheet, the copper column is fixedly arranged at the side of the heat-conducting silica gel sheet, the top of the rubber buffer plate is provided with a clamping groove, and the top of the clamping groove is fixedly connected with a flexible connecting column, the side of the placing box is fixedly provided with a stabilizing block, the top of the stabilizing block is movably provided with a fixing bolt, the outer wall of the fixing bolt is movably connected with a fixing block, the edge side of the fixing block is fixedly connected with a cover plate, the bottom of the cover plate is fixedly provided with a limiting spring, and the bottom of the limiting spring is fixedly connected with a rubber limiting plate, and the top of the sponge base plate is movably provided with a power battery body.

Preferably, the flexible connecting column forms a clamping structure with the rubber buffer plate through the clamping groove, and the external dimension of the flexible connecting column is completely matched with the internal dimension of the clamping groove.

Preferably, the number of the flexible connecting columns is 15, and every 3 of the 15 flexible connecting columns are 1 group, and 5 groups of the flexible connecting columns are equidistantly arranged at the bottom of the placing box.

Preferably, the quantity of spacing spring is 8, and every 4 of 8 spacing springs are 1 group to 2 groups of spacing springs use the perpendicular bisector of apron to set up as symmetry axis symmetry, and the apron passes through spacing spring and rubber limiting plate constitutes elastic structure moreover.

Preferably, the end of the fixing bolt penetrates through the top of the fixing block and extends to the bottom of the fixing block, the end of the fixing bolt is in threaded connection with the inside of the stabilizing block, and the stabilizing block is connected with the fixing block through the fixing bolt.

Preferably, the end of the thin copper plate is fixedly connected with the side of the heat-conducting silica gel sheet, and the thin copper plate and the fine silver guide wire form an integrated structure through the heat-conducting silica gel sheet.

Compared with the prior art, the utility model has the beneficial effects that: the power battery pack with good heat dissipation performance;

1. the power battery is provided with a heat conduction structure consisting of a thin copper plate, a fine silver guide wire, a heat conduction silica gel sheet and a copper column, heat generated when the power battery operates is conducted to the thin copper plate through the heat conduction silica gel sheet and then conducted into the next power battery through the copper column, and therefore the temperature of the power batteries on two sides is controlled in a balanced mode, the problem that the performance and the service life of the power battery are reduced due to different long-term temperatures is greatly solved, and the use safety of the power battery is improved to a certain extent;

2. be provided with spacing spring, the rubber limiting plate, the buffering shock-absorbing structure that rubber buffer board and flexible connection post are constituteed, spacing spring and rubber limiting plate through setting up, make the car difficult rock from top to bottom at the power battery when jolting, rubber buffer board and flexible connection post through setting up, make and place the box and be difficult for rocking, and also can play good cushioning effect for inside power battery if taking place to rock, and then very big avoid the power battery crust to take place damage or take place to warp, all there is certain improvement to power battery's life and safety in utilization.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is a schematic top sectional view of the rubber buffer plate according to the present invention.

In the figure: 1. placing the box; 2. a rubber buffer plate; 3. a card slot; 4. a flexible connecting column; 5. a sponge backing plate; 6. a power cell body; 7. a cover plate; 8. a limiting spring; 9. a rubber limit plate; 10. a fixed block; 11. fixing the bolt; 12. a stabilizing block; 13. a thin copper plate; 14. a fine silver wire; 15. a heat-conducting silica gel sheet; 16. and a copper pillar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a power battery pack with good heat dissipation performance comprises a placement box 1, a rubber buffer plate 2, a clamping groove 3, a flexible connecting column 4, a sponge base plate 5, a power battery body 6, a cover plate 7, a limiting spring 8, a rubber limiting plate 9, a fixing block 10, a fixing bolt 11, a stabilizing block 12, a thin copper plate 13, a fine silver guide wire 14, a heat conduction silica gel sheet 15 and a copper column 16, wherein the sponge base plate 5 is fixedly connected to the inner wall of the placement box 1, the thin copper plate 13 is fixedly installed at the top of the sponge base plate 5, the fine silver guide wire 14 is fixedly installed on the inner wall of the thin copper plate 13, the heat conduction silica gel sheet 15 is fixedly connected to the end of the fine silver guide wire 14, the copper column 16 is fixedly installed on the side of the heat conduction silica gel sheet 15, the clamping groove 3 is formed in the top of the rubber buffer plate 2, the flexible connecting column 4 is fixedly connected to the top of the clamping groove 3, the stabilizing block 12 is fixedly installed on the side of the placement box 1, and the fixing bolt 11 is movably installed on the top of the stabilizing block 12, and the outer wall swing joint of fixing bolt 11 has fixed block 10, and the avris fixedly connected with apron 7 of fixed block 10 in addition, and the bottom fixed mounting of apron 7 has spacing spring 8, and the bottom fixedly connected with rubber limiting plate 9 of spacing spring 8, and the top movable mounting of sponge backing plate 5 has power battery body 6.

The flexible connecting column 4 and the rubber buffer plate 2 form a clamping structure through the clamping groove 3, the external size of the flexible connecting column 4 is completely matched with the internal size of the clamping groove 3, and the flexible connecting column 4 and the rubber buffer plate 2 which are arranged into the clamping structure enable the buffering supporting effect of the flexible connecting column 4 on the placing box 1 to be better;

the number of the flexible connecting columns 4 is 15, 3 of the 15 flexible connecting columns 4 are 1 group, 5 groups of the flexible connecting columns 4 are equidistantly arranged at the bottom of the placing box 1, and the placing box 1 is more stable when the flexible connecting columns 4 buffer and absorb shock for the placing box 1 through the equidistantly arranged flexible connecting columns 4;

the number of the limiting springs 8 is 8, 4 of each 8 limiting springs 8 are 1 group, the 2 groups of limiting springs 8 are symmetrically arranged by taking a perpendicular bisector of the cover plate 7 as a symmetry axis, the cover plate 7 and the rubber limiting plate 9 form an elastic structure through the limiting springs 8, and the rubber limiting plate 9 and the cover plate 7 which are arranged into the elastic structure enable the limiting effect of the rubber limiting plate 9 on the power battery body 6 to be better;

the end part of the fixing bolt 11 penetrates through the top of the fixing block 10 and extends to the bottom of the fixing block 10, the end part of the fixing bolt 11 is in threaded connection with the inner part of the stabilizing block 12, the stabilizing block 12 is connected with the fixing block 10 through the fixing bolt 11, and the fixing bolt 11 penetrates through the fixing block 10, so that the placing box 1 and the cover plate 7 are more firmly closed and fixed;

the end of the thin copper plate 13 is fixedly connected with the side of the heat-conducting silica gel sheet 15, the thin copper plate 13 and the thin silver guide wire 14 form an integrated structure through the heat-conducting silica gel sheet 15, and the thin copper plate 13 and the thin silver guide wire 14 which are arranged into the integrated structure enable the thin copper plate 13 to be firmer in heat conduction to the power battery body 6.

The working principle is as follows: when the power battery pack with good heat dissipation performance is used, according to the figures 1, 2 and 3, the power battery body 6 is held and placed on the top of the sponge cushion plate 5, the cover plate 7 is held, the fixing block 10 and the stabilizing block 12 are closed through rotating the fixing bolt 11, so that the power battery body 6 is installed, a vehicle is started, the vehicle runs, the power battery body 6 emits heat, the heat is transmitted to the thin copper plate 13 through the copper column 16 and the heat-conducting silica gel sheet 15, then is transmitted to the heat-conducting silica gel sheet 15 on the other side through the fine silver guide wire 14, and finally is transmitted to the next power battery body 6, and the heat of the power battery bodies 6 on the two sides is the same;

according to fig. 1, 2 and 4, when the vehicle operation produces jolting, make power battery body 6 be difficult for producing through spacing spring 8 and the rubber limiting plate 9 of apron 7 bottom and rock, through the flexible connection post 4 in rubber buffer board 2 and the draw-in groove 3 for place box 1 and rock together with inside power battery body 6 and all obtained fine elimination.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a good heat dissipation's power battery group, is including placing box (1) and rubber buffer board (2), its characterized in that: the inner wall of the placing box (1) is fixedly connected with a sponge base plate (5), the top of the sponge base plate (5) is fixedly provided with a thin copper plate (13), the inner wall of the thin copper plate (13) is fixedly provided with a thin silver guide wire (14), the end part of the thin silver guide wire (14) is fixedly connected with a heat-conducting silica gel sheet (15), the side of the heat-conducting silica gel sheet (15) is fixedly provided with a copper column (16), the top of the rubber buffer plate (2) is provided with a clamping groove (3), the top of the clamping groove (3) is fixedly connected with a flexible connecting column (4), the side of the placing box (1) is fixedly provided with a stabilizing block (12), the top of the stabilizing block (12) is movably provided with a fixing bolt (11), the outer wall of the fixing bolt (11) is movably connected with a fixing block (10), the side of the fixing block (10) is fixedly connected with a cover plate (7), the bottom of the cover plate (7) is fixedly provided with a limiting spring (8), and the bottom of the limiting spring (8) is fixedly connected with a rubber limiting plate (9), and the top of the sponge base plate (5) is movably provided with a power battery body (6).

2. The power battery pack with good heat dissipation performance of claim 1, wherein: the flexible connecting column (4) and the rubber buffer plate (2) form a clamping structure through the clamping groove (3), and the external size of the flexible connecting column (4) is completely matched with the internal size of the clamping groove (3).

3. The power battery pack with good heat dissipation performance of claim 1, wherein: the number of the flexible connecting columns (4) is 15, every 3 of the 15 flexible connecting columns (4) are 1 group, and the 5 groups of flexible connecting columns (4) are equidistantly arranged at the bottom of the placing box (1).

4. The power battery pack with good heat dissipation performance of claim 1, wherein: the quantity of spacing spring (8) is 8, and every 4 of 8 spacing spring (8) are 1 group to 2 sets of spacing spring (8) use the perpendicular bisector of apron (7) to set up as symmetry axis symmetry, and apron (7) constitute elastic construction through spacing spring (8) and rubber limiting plate (9) moreover.

5. The power battery pack with good heat dissipation performance of claim 1, wherein: the end of the fixing bolt (11) penetrates through the top of the fixing block (10) and extends to the bottom of the fixing block (10), the end of the fixing bolt (11) is in threaded connection with the inner portion of the stabilizing block (12), and the stabilizing block (12) is connected with the fixing block (10) through the fixing bolt (11).

6. The power battery pack with good heat dissipation performance of claim 1, wherein: the end part of the thin copper plate (13) is fixedly connected with the side of the heat-conducting silica gel sheet (15), and the thin copper plate (13) and the fine silver guide wire (14) form an integrated structure through the heat-conducting silica gel sheet (15).