CN218548555U

CN218548555U - Heat-conducting silica gel for new energy battery

Info

Publication number: CN218548555U
Application number: CN202222364828.8U
Authority: CN
Inventors: 刘琴
Original assignee: Suzhou Huaizhong Electronic Technology Co ltd
Current assignee: Suzhou Huaizhong Electronic Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-02-28
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a heat conduction silica gel for new energy battery belongs to new energy battery technical field, and present silica gel bonding mode is all direct to injecting glue between the cell gap, and the cell gap of first injecting glue is comparatively spacious when the injecting glue, and the cell gap of back injecting glue is diminished by the extrusion because of gap behind the preceding injecting glue gradually, leads to follow-up injecting glue difficulty, influences the radiating problem of battery, the utility model discloses a prefabricated silica gel piece, the injecting glue groove has all been opened to the both sides of prefabricated silica gel piece, and the injecting glue inslot all is equipped with bonding silica gel, and it has the injecting glue hole to open on the prefabricated silica gel piece at injecting glue groove top, is equipped with heat conduction mechanism in the prefabricated silica gel piece. Prefabricated silica gel piece is pressed from both sides earlier and is pressed from both sides in the battery cell clearance, then injects silica gel to the injecting glue inslot through the injecting glue hole, and silica gel fills the gap completely after the injecting glue inslot solidification for the battery cell distributes evenly, and dispels the heat to the external world through heat conduction mechanism with heat transfer, improves heat conduction heat dispersion.

Description

Heat-conducting silica gel for new energy battery

Technical Field

The utility model relates to an electric energy battery technical field specifically is a heat conduction silica gel for new energy battery.

Background

The new energy battery is a main power source of a new energy automobile, the new energy battery is generally installed in a battery shell by a module formed by a plurality of battery units, the battery units and the inner walls of the battery units and the battery shell are generally bonded and sealed through silica gel, the current silica gel bonding mode is to directly glue gaps among the battery units, the gaps of the battery units which are firstly glued are more abundant in glue injection, the gaps of the battery units which are secondly glued are gradually extruded to be smaller after the front glue injection, so that the subsequent glue injection is difficult, and the heat dissipation of the battery is affected.

SUMMERY OF THE UTILITY MODEL

The method aims to solve the problems that the existing silica gel bonding mode is to directly glue gaps among battery units, the gaps of the battery units which are firstly glued are relatively wide and abundant in glue injection, and the gaps of the battery units which are secondly glued are gradually extruded and reduced after the glue is injected in the front, so that the subsequent glue injection is difficult, and the heat dissipation of batteries is influenced; an object of the utility model is to provide a heat conduction silica gel for new energy battery.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a heat conduction silica gel for new energy battery, includes prefabricated silica gel piece, the glue injection groove has all been opened to the both sides of prefabricated silica gel piece, all be equipped with bonding silica gel, one in the glue injection inslot open on the prefabricated silica gel piece at glue injection groove top has the injecting glue hole, be equipped with heat conduction mechanism in the prefabricated silica gel piece.

Preferably, the glue injection grooves are of a W-shaped structure, a plurality of communicating holes are formed in the prefabricated silica gel sheet and penetrate through the prefabricated silica gel sheet to communicate the two glue injection grooves.

Preferably, heat conduction mechanism includes the mounting groove, it has a plurality of mounting grooves to open in the prefabricated silica gel piece in the notes gluey groove outside, the elastic bag of mounting groove internal fixation installation, it is a plurality of fixed the cup jointing has the breather pipe between the elastic bag, the fixed embedded of breather pipe is in the prefabricated silica gel piece, and the breather pipe of the top runs through the top of prefabricated silica gel piece, the elastic bag is elastic rubber cavity cuboid structure, the outer wall size of elastic bag is the same with the inner wall size of mounting groove.

Preferably, a plurality of solid fixed cylinder of one side inner wall fixed mounting of elasticity bag, a plurality of guide bars of opposite side inner wall fixed mounting of elasticity bag, the guide bar slip joint is in solid fixed cylinder, the one end of terminal surface fixed connection spring of guide bar, the inner wall of the other end fixed connection solid fixed cylinder of spring, the guide bar is close to the fixed embedded O type circle that installs of one end outer wall of spring, O type circle closely laminates on the inner wall of solid fixed cylinder.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the prefabricated silica gel sheet is clamped in the gap of the battery unit, then silica gel is injected into the glue injection groove through the glue injection hole, and the gap is completely filled after the silica gel is cured in the glue injection groove, so that the battery unit is uniformly distributed;

2. silica gel heat conduction in-process, elasticity bag air heating, make new forms of energy battery take place to rock in the car operation, cell unit extrusion elasticity bag, the elasticity bag cushions that deforms, exchange the elasticity bag internal gas through the breather pipe simultaneously, reach the heat dissipation purpose, when the elasticity bag deforms, the guide bar slides along the solid fixed cylinder, the buffering of spring deformation, simultaneously through the supplementary elasticity bag of elasticity restoration deformation of spring, through O type circle increase friction power, reduce the deformation rate of spring, avoid the spring to rock to reciprocate, reach damping absorbing purpose, and the stability is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Fig. 4 is an enlarged schematic structural view of the point B in fig. 3 according to the present invention.

In the figure: 1. prefabricating a silica gel sheet; 2. injecting glue groove; 3. bonding silica gel; 4. injecting glue holes; 5. a heat conducting mechanism; 51. mounting grooves; 52. an elastic bag; 53. a breather pipe; 54. a fixed cylinder; 55. a guide bar; 56. a spring; 57. an O-shaped ring; 6. and a communicating hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a heat conduction silica gel for new energy battery, including prefabricated silica gel piece 1, prefabricated silica gel piece 1's both sides are all opened and are had injecting glue groove 2, all are equipped with bonding silica gel 3 in the injecting glue groove 2, and it has injecting glue hole 4 to open on the prefabricated silica gel piece 1 at 2 tops of injecting glue groove, is equipped with heat conduction mechanism 5 in the prefabricated silica gel piece 1.

Through above-mentioned technical scheme, prefabricated silica gel piece 1 presss from both sides earlier in the battery unit clearance, then injects silica gel into glue injection groove 2 through injecting glue hole 4, and silica gel fills the gap completely after the solidification in glue injection groove 2 for battery unit distributes evenly, and dispels the heat to the external world through heat conduction mechanism 5 with heat transfer, improves heat conduction heat dispersion.

Further, the glue injection grooves 2 are of a W-shaped structure, a plurality of communicating holes 6 are formed in the prefabricated silica gel sheet 1, and the communicating holes 6 penetrate through the prefabricated silica gel sheet 1 and are communicated with the two glue injection grooves 2.

Through the technical scheme, the two glue injection grooves 2 are communicated through the communicating holes 6, so that the silica gel is uniformly distributed during glue injection.

Further, heat conduction mechanism 5 includes mounting groove 51, it has a plurality of mounting grooves 51 to open in the prefabricated silica gel piece 1 in the notes gluey groove 2 outside, mounting groove 51 internal fixation installs elastic bag 52, the fixed cover of having connect has breather pipe 53 between a plurality of elastic bags 52, breather pipe 53 is fixed the embedded in prefabricated silica gel piece 1, and the breather pipe 53 of the top runs through the top of prefabricated silica gel piece 1, elastic bag 52 is the hollow cuboid structure of elastic rubber, elastic bag 52's outer wall size is the same with mounting groove 51's inner wall size.

Through above-mentioned technical scheme, through the elasticity of elasticity bag 52, the air intensifies in elasticity bag 52 in the heat conduction, derives the hot-air through breather pipe 53, simultaneously, makes new energy battery take place to rock at the car operation, and battery unit extrusion elasticity bag 52, elasticity bag 52 carry out the deformation buffering, exchanges the gas in the elasticity bag 52 through breather pipe 53 simultaneously, reaches the heat dissipation purpose.

Furthermore, a plurality of fixed cylinders 54 are fixedly installed on the inner wall of one side of the elastic bag 52, a plurality of guide rods 55 are fixedly installed on the inner wall of the other side of the elastic bag 52, the guide rods 55 are slidably clamped in the fixed cylinders 54, the end face of each guide rod 55 is fixedly connected with one end of a spring 56, the other end of each spring 56 is fixedly connected with the inner wall of the fixed cylinder 54, an O-shaped ring 57 is fixedly embedded in the outer wall of one end, close to the spring 56, of each guide rod 55, and the O-shaped ring 57 is tightly attached to the inner wall of the fixed cylinder 54.

Through the technical scheme, when the elastic bag 52 deforms, the guide rod 55 slides along the fixed cylinder 54, the deformation of the spring 56 is buffered, meanwhile, the elastic bag 52 is assisted to restore the deformation through the elastic force of the spring 56, the friction force is increased through the O-shaped ring 57, the deformation rate of the spring 56 is reduced, and the spring 56 is prevented from reciprocating and shaking.

The working principle is as follows: prefabricated silicon chip 1 presss from both sides earlier in the battery unit clearance, then inject silica gel into injecting glue groove 2 through injecting glue hole 4, silica gel is filled the gap completely after the solidification in injecting glue groove 2, make the battery unit distribute evenly, the silica gel heat conduction in-process, the air in elasticity bag 52 heats, it shakes to make the new forms of energy battery take place to move at the car, battery unit extrusion elasticity bag 52, elasticity bag 52 carries out the deformation buffering, exchange the gas in elasticity bag 52 through breather pipe 53 simultaneously, reach the heat dissipation purpose, when elasticity bag 52 warp, guide bar 55 slides along fixed cylinder 54, the buffering of spring 56 deformation, simultaneously through the supplementary elasticity of spring 56 elasticity bag 52 recovery deformation, increase frictional force through O type circle 57, reduce the deformation rate of spring 56, avoid spring 56 to shake reciprocally, reach the purpose of damping, improve stability.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a heat conduction silica gel for new energy battery, includes prefabricated silica gel piece (1), its characterized in that: the both sides of prefabricated silica gel piece (1) all opened annotate gluey groove (2), all be equipped with bonding silica gel (3) in annotating gluey groove (2), one it has annotate gluey hole (4) to open on prefabricated silica gel piece (1) at annotate gluey groove (2) top, be equipped with heat conduction mechanism (5) in prefabricated silica gel piece (1).

2. The heat-conducting silica gel for the new energy battery according to claim 1, wherein the glue injection groove (2) is of a W-shaped structure, the preformed silica gel sheet (1) is provided with a plurality of communication holes (6), and the communication holes (6) penetrate through the preformed silica gel sheet (1) and communicate the two glue injection grooves (2).

3. The heat-conducting silica gel for the new energy battery as claimed in claim 1, wherein the heat-conducting mechanism (5) comprises a mounting groove (51), a plurality of mounting grooves (51) are formed in the prefabricated silica gel sheet (1) outside the gel injection groove (2), an elastic bag (52) is fixedly mounted in the mounting groove (51), a plurality of vent pipes (53) are fixedly sleeved among the elastic bags (52), the vent pipes (53) are fixedly embedded in the prefabricated silica gel sheet (1), and the uppermost vent pipe (53) penetrates through the top of the prefabricated silica gel sheet (1).

4. The heat-conducting silica gel for the new energy battery as claimed in claim 3, wherein the elastic bag (52) is of an elastic rubber hollow cuboid structure, and the size of the outer wall of the elastic bag (52) is the same as that of the inner wall of the mounting groove (51).

5. The heat-conducting silica gel for the new energy battery according to claim 3, wherein a plurality of fixing cylinders (54) are fixedly installed on the inner wall of one side of the elastic bag (52), a plurality of guide rods (55) are fixedly installed on the inner wall of the other side of the elastic bag (52), the guide rods (55) are slidably clamped in the fixing cylinders (54), one end of a spring (56) is fixedly connected to the end face of each guide rod (55), and the other end of the spring (56) is fixedly connected to the inner wall of the fixing cylinder (54).

6. The heat-conducting silica gel for the new energy battery as claimed in claim 5, wherein an O-ring (57) is fixedly embedded in the outer wall of one end of the guide rod (55) close to the spring (56), and the O-ring (57) is tightly attached to the inner wall of the fixed cylinder (54).