CN215527794U

CN215527794U - Lithium battery with strong heat dissipation effect

Info

Publication number: CN215527794U
Application number: CN202120621013.6U
Authority: CN
Inventors: 杨春娣
Original assignee: Yulin Vocational And Technical College Shenmu Campus
Current assignee: Yulin Vocational And Technical College Shenmu Campus
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2022-01-14
Anticipated expiration: 2031-03-27

Abstract

The utility model discloses a lithium battery with a strong heat dissipation effect, which comprises a box body, an electric core, a first fixing strip and a bolt, wherein the middle part of the box body is connected with a first mounting plate in a sliding manner, the front side and the rear side of the box body are connected with second mounting plates in a sliding manner, fixed metal clamping pieces are fixed on the front side and the rear side of the first mounting plate and on one side, close to the first mounting plate, of the second mounting plates, and separation pieces are arranged above the fixed metal clamping pieces and below the fixed metal clamping pieces. This lithium cell that radiating effect is strong, be provided with fixed metal clamping piece, activity metal clamping piece and silica gel heat conduction pad, the silica gel heat conduction pad on fixed metal clamping piece and the activity metal clamping piece plays the effect of filling space and heat conduction, the heat conduction that makes electricity core produce to this lithium cell internal part, clearance between this lithium cell internal part is big simultaneously, the bleeder vent of air accessible bottom half, the ventilative flow in clearance between the part and the case lid, take away the heat simultaneously, the radiating effect of this lithium cell group has been improved.

Description

Lithium battery with strong heat dissipation effect

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a strong heat dissipation effect.

Background

The lithium cell is electric energy storage device, the group battery of its constitution can be the electric automobile energy supply, but electric core in the current lithium cell group is direct mount usually in the mounting hole in the group battery, this kind of mounting means makes the unable external air of contact of electric core, lead to the unable heat of taking away electric core production of external air, and the clearance between electric core and the mounting hole inner wall is big, be difficult to the heat conduction volume, the radiating effect of this lithium cell group has further been reduced, and current lithium cell group passes through the fixed electric core of the mode of plastic envelope, make the plastic envelope spare need be unpacked apart completely during the maintenance, lead to the process complexity of maintenance change electric core, it is very inconvenient to use, to above-mentioned problem, need improve current equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery with a strong heat dissipation effect, and aims to solve the problems that the heat generated by an electric core cannot be taken away by external air because the electric core in the existing lithium battery pack proposed in the background technology is usually directly installed in an installation hole in the battery pack, the heat is difficult to be conducted due to a large gap between the electric core and the inner wall of the installation hole, the heat dissipation effect of the lithium battery pack is further reduced, and the existing lithium battery pack fixes the electric core in a plastic packaging mode, so that a plastic packaging part needs to be completely disassembled during maintenance, the process of maintaining and replacing the electric core is complex, and the use is very inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery with strong heat dissipation effect comprises a box body, an electric core, a first fixing strip and a bolt, wherein the middle part of the box body is connected with a first mounting plate in a sliding manner, the front side and the rear side of the box body are connected with a second mounting plate in a sliding manner, fixed metal clamping pieces are fixed on the front side and the rear side of the first mounting plate and on one side of the second mounting plate close to the first mounting plate, spacers are arranged above the fixed metal clamping pieces and below the fixed metal clamping pieces, one side of each spacer is welded on the first mounting plate or the second mounting plate, pole pieces are fixed on one side of each spacer close to the fixed metal clamping pieces, the electric core is arranged between the two spacers, the upper end and the lower end of the electric core are respectively electrically connected with one pole piece, one side of the first fixing strip is connected with a second fixing strip in a sliding manner, elastic pieces are arranged on one sides of the first fixing strip and the second fixing strip, the first fixing strip and the second fixing strip are arranged between the first mounting plate and the second mounting plate, and one side that the shell fragment was kept away from to first fixed strip and one side that the shell fragment was kept away from to the second fixed strip all are fixed with movable metal clamping piece, the bolt runs through second fixed strip upper end and first fixed strip upper end threaded connection, activity metal clamping piece one side and fixed metal clamping piece one side all bond there is the silica gel heat conduction pad, the box top is rotated and is connected with the case lid, and the bleeder vent has all been seted up to case lid and bottom half.

Preferably, both ends and the second mounting panel about both ends all with box inner wall sliding connection about first mounting panel.

Preferably, the second mounting panel is provided with two, and two second mounting panels use first mounting panel to be the symmetrical formula setting as the center.

Preferably, the even setting of fixed metal clamping piece is on first mounting panel and second mounting panel, the even setting of activity metal clamping piece is on first fixed strip and second fixed strip, and the setting of activity metal clamping piece corresponding fixed metal clamping piece.

Preferably, the outer end of the battery core is attached with a silica gel heat conducting pad.

Preferably, first fixed strip and second fixed strip all are provided with two, and just two first fixed strips and two second fixed strips all use first mounting panel to be the symmetrical formula setting as the center.

Compared with the prior art, the utility model has the beneficial effects that: the lithium battery with strong heat dissipation effect is provided,

(1) the fixed metal clamping piece and the movable metal clamping piece are matched to fix the battery cell, and the silica gel heat conducting pad on the fixed metal clamping piece and the movable metal clamping piece plays roles in filling gaps and conducting heat, so that heat generated by the battery cell is conducted to internal parts of the lithium battery pack;

(2) be provided with first fixed strip, second fixed strip and shell fragment, shell fragment on the first fixed strip extrudees mutually with the shell fragment on the second fixed strip, make first fixed strip and second fixed strip keep away from mutually, when needing the maintenance to change electric core, the second fixed strip slides upwards, make the shell fragment between second fixed strip and the first fixed strip break away from the laminating, the activity metal clamping piece on first fixed strip and the second fixed strip breaks away from laminating electric core this moment, be convenient for slide take out first fixed strip and be fixed with first mounting panel or the second mounting panel that damages electric core, the maintenance replacement process reduces, it is more convenient to use.

Drawings

FIG. 1 is a schematic top sectional view of the present invention;

FIG. 2 is a schematic diagram of a left side view cross-sectional structure of the present invention;

FIG. 3 is a schematic top sectional view of the case according to the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 2 according to the present invention.

In the figure: 1. the box, 2, first mounting panel, 3, second mounting panel, 4, fixed metal clamping piece, 5, spacer, 6, pole piece, 7, electric core, 8, first fixed strip, 9, second fixed strip, 10, shell fragment, 11, activity metal clamping piece, 12, bolt, 13, silica gel heat conduction pad, 14, case lid, 15, bleeder vent.

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. 1-5, the present invention provides a technical solution: a lithium battery with strong heat dissipation effect is disclosed, as shown in figure 1, figure 3 and figure 4, a first mounting plate 2 is connected with the middle part of a box body 1 in a sliding way, second mounting plates 3 are connected with the front and back sides of the box body 1 in a sliding way, the left and right ends of the first mounting plate 2 and the left and right ends of the second mounting plate 3 are connected with the inner wall of the box body 1 in a sliding way, so that the first mounting plate 2 and the second mounting plate 3 can be taken out along the box body 1 in a sliding way, two second mounting plates 3 are arranged, the two second mounting plates 3 are symmetrically arranged by taking the first mounting plate 2 as the center, the two second mounting plates 3 are respectively arranged by being attached to the inner walls of the front and back sides of the box body 1, fixed metal clamping pieces 4 are fixed on the front and back sides of the first mounting plate 2 and one side of the second mounting plate 3 close to the first mounting plate 2, spacers 5 are arranged above the fixed metal clamping pieces 4 and below the fixed metal clamping pieces 4, the fixed metal clamping pieces 4 are uniformly arranged on the first mounting plate 2 and the second mounting plates 3, even setting up of activity metal clamping piece 11 is on first fixed strip 8 and second fixed strip 9, and activity metal clamping piece 11 corresponds fixed metal clamping piece 4 setting, make activity metal clamping piece 11 and fixed metal clamping piece 4 cooperation press from both sides tight

electric core

7, 5 one side welding of spacer are on first mounting panel 2 or on second mounting panel 3, and spacer 5 is close to one side of fixed metal clamping piece 4 and is fixed with pole piece 6, electric core 7 is installed between two

spacer

5, and 7 upper and lower both ends of electric core respectively with a 6 electric connection of pole piece, 7 outer ends laminating silica gel heat conduction pad 13 of electric core, silica gel heat conduction pad 13 plays and fills the clearance, the effect of heat conduction effect is improved.

As shown in fig. 1, 2 and 5, a second fixing strip 9 is slidably connected to one side of the first fixing strip 8, and a spring plate 10 is disposed on one side of each of the first fixing strip 8 and the second fixing strip 9, two

fixing strips

8 and 9 are disposed, and two

fixing strips

8 and 9 are symmetrically disposed around the first mounting plate 2, so that the movable metal clips 11 on the two fixing strips 8 are disposed corresponding to the fixed metal clips 4 on the first mounting plate 2, the movable metal clips 11 on the two fixing strips 9 are disposed corresponding to the fixed metal clips 4 on the second mounting plate 3, the first fixing strip 8 and the second fixing strip 9 are disposed between the first mounting plate 2 and the second mounting plate 3, and the movable metal clips 11 are disposed on one side of the first fixing strip 8 away from the spring plate 10 and on one side of the second fixing strip 9 away from the spring plate 10, the bolt 12 runs through the upper end of the second fixing strip 9 and is in threaded connection with the upper end of the first fixing strip 8, the silica gel heat conducting pad 13 is bonded on one side of the movable metal clamping piece 11 and one side of the fixed metal clamping piece 4, the top of the box body 1 is rotatably connected with a box cover 14, and the box cover 14 and the bottom of the box body 1 are provided with air holes 15.

The working principle is as follows: when the lithium battery with strong heat dissipation effect is used, firstly, the battery cell 7 is placed between the two spacers 5 on the first mounting plate 2 and the second mounting plate 3, then the first mounting plate 2 and the second mounting plate 3 are placed in the box body 1 in a sliding manner, the first fixing strip 8 and the second fixing strip 9 are correspondingly placed according to the position of the battery cell 7 until the lower end of the first fixing strip 8 contacts the bottom of the box body 1, the second fixing strip 9 is slid downwards, the lower end of the second fixing strip 9 contacts the bottom of the box body 1, meanwhile, the elastic sheet 10 on the second fixing strip 9 and the elastic sheet 10 on the first fixing strip 8 are mutually extruded, the first fixing strip 8 and the second fixing strip 9 are mutually far away, so that the movable metal clamping piece 11 on the second fixing strip 9 is matched with the fixed metal clamping piece 4 on the second mounting plate 3 to clamp the battery cell 7, and simultaneously, the movable metal clamping piece 11 on the first fixing strip 8 and the fixed metal clamping piece 4 on the first mounting plate 2 are matched to clamp another group of battery cell 7, the bolt 12 is rotated to fix the relative position between the first fixing strip 8 and the second fixing strip 9, the silica gel heat conducting pad 13 fills the gap between the fixed metal clamping piece 4 and the movable metal clamping piece 11 and the electric core 7, the heat conducting effect is enhanced, the heat generated by the electric core 7 is conducted to the first mounting plate 2, the second mounting plate 3, the fixed metal clamping piece 4, the first fixing strip 8, the second fixing strip 9 and the movable metal clamping piece 11, the outside air is exhausted from the air holes 15 on the box cover 14 through the air holes 15 at the bottom of the box body 1 and the gap between the components, and the heat is taken away at the same time, the heat radiating effect is improved, when the damaged electric core needs to be maintained and replaced, the bolt 12 is loosened, the second fixing strip 9 is slid upwards to separate the elastic pieces 10 on the second fixing strip 9 from the elastic pieces 10 on the first fixing strip 8, and the silica gel heat conducting pad 13 on the movable metal clamping piece 11 is separated from the joint of the electric core 7, the first fixing strip 8, the second fixing strip 9 and the corresponding first mounting plate 2 or second mounting plate 3 are convenient to slide out, the maintenance difficulty is reduced, the use is more convenient, and the whole work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a lithium cell that radiating effect is strong, includes box (1), electric core (7), first fixed strip (8) and bolt (12), its characterized in that: the middle part of the box body (1) is connected with a first mounting plate (2) in a sliding manner, the front side and the rear side of the box body (1) are connected with second mounting plates (3) in a sliding manner, the front side and the rear side of the first mounting plate (2) and one side, close to the first mounting plate (2), of each second mounting plate (3) are fixedly provided with a fixed metal clamping piece (4), partition pieces (5) are respectively arranged above the fixed metal clamping pieces (4) and below the fixed metal clamping pieces (4), one side of each partition piece (5) is welded on the first mounting plate (2) or the second mounting plate (3), one side, close to the fixed metal clamping pieces (4), of each partition piece (5) is fixedly provided with a pole piece (6), an electric core (7) is arranged between the two partition pieces (5), the upper end and the lower end of the electric core (7) are respectively electrically connected with one pole piece (6), one side of each first fixing strip (8) is connected with a second fixing strip (9) in a sliding manner, and first fixed strip (8) and second fixed strip (9) one side all are provided with shell fragment (10), first fixed strip (8) and second fixed strip (9) all set up between first mounting panel (2) and second mounting panel (3), and one side that shell fragment (10) were kept away from in first fixed strip (8) and one side that shell fragment (10) were kept away from in second fixed strip (9) all are fixed with activity metal clamping piece (11), bolt (12) run through second fixed strip (9) upper end and first fixed strip (8) upper end threaded connection, activity metal clamping piece (11) one side and fixed metal clamping piece (4) one side all bond and have silica gel heat conduction pad (13), box (1) top is rotated and is connected with case lid (14), and case lid (14) and box (1) bottom have all seted up bleeder vent (15).

2. The lithium battery of claim 1, wherein: both ends and second mounting panel (3) are all with box (1) inner wall sliding connection about both ends about first mounting panel (2).

3. The lithium battery of claim 1, wherein: the two second mounting plates (3) are arranged symmetrically with the first mounting plate (2) as the center.

4. The lithium battery of claim 1, wherein: the fixed metal clamping piece (4) is uniformly arranged on the first mounting plate (2) and the second mounting plate (3), the movable metal clamping piece (11) is uniformly arranged on the first fixing strip (8) and the second fixing strip (9), and the movable metal clamping piece (11) corresponds to the fixed metal clamping piece (4).

5. The lithium battery of claim 1, wherein: the outer end of the battery core (7) is attached with a silica gel heat conducting pad (13).

6. The lithium battery of claim 1, wherein: the first fixing strip (8) and the second fixing strip (9) are both provided with two, and the two first fixing strips (8) and the two second fixing strips (9) are both arranged symmetrically by taking the first mounting plate (2) as the center.