CN218333901U - Lithium battery with charging protection structure - Google Patents

Abstract

The utility model belongs to the technical field of lithium batteries, and discloses an outer frame body, the lower ends of the two side walls in the outer frame body are symmetrically connected with supporting blocks, the upper end surface of each supporting block is provided with a supporting frame, a lithium battery pack is arranged in each supporting frame, and a heat dissipation cavity is arranged between the lower end surface of each supporting frame and the inner bottom of the outer frame body; two be connected with the mounting panel between the bottom of tray, the equidistance has been seted up on the mounting panel and has been worn the groove, the utility model discloses simple structure has abandoned the mode that electrical equipment cooled down, and the cost is reduced and the volume has increased the external power supply's of lithium cell, and wherein, the heat that produces when the lithium cell charges can be led to the fin via heat conduction silica gel layer, then via first heat conduction through-hole effluvium, can effectively protect when charging, avoids the heat too high and cause the lithium cell impaired, and in addition, the lower terminal surface of lithium cell group leaves the dead slot with the inside bottom of outer frame body within a definite time, does benefit to the convection current of air, and the radiating effect is better.

Description

Lithium battery with charging protection structure

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to lithium cell with charge protection structure.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and along with the development of scientific technology, the lithium battery becomes the mainstream of the current battery, the lithium battery can generate heat due to chemical reaction inside the lithium battery during charging and discharging, and the lithium battery can be damaged due to heat accumulation.

At present, for the protection of cooling down when lithium cell charges, can set up the cooling structure on the lithium cell more, in the patent with patent number CN202023091839.0, a lithium cell with a charging protection structure is disclosed, describe "through setting up the air duct in this patent, the fan, the cooling tube, the condensing box, the booster pump, temperature sensor and controller etc. when the inside high temperature of protective housing, the controller will control opening of booster pump and fan, the inside that the cooling liquid will get into the cooling tube from the condensing box, thereby cool off the lithium cell, the cooling structure that this lithium cell set up can cool down the protection when charging and discharging, but the structure is complicated, especially more electrical equipment has still been add, make the cost of lithium cell increase at double, the volume increase, it is all inconvenient to install and use, and electrical equipment need to circular telegram just can use, the electric energy that generally can utilize the lithium cell supplies, this has just reduced the volume of external power supply of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell with charge protection architecture to solve the current utilization electrical equipment that provides in the above-mentioned background art and cool down, make the cost of lithium cell increase at double, the increase in volume, the installation is used and all comparatively inconvenient and can reduce the problem of the external power supply volume of lithium cell.

In order to achieve the above object, the utility model provides a following technical scheme: the lithium battery with the charging protection structure comprises an outer frame body, wherein support blocks are symmetrically connected to the lower ends of two side walls in the outer frame body, a support frame is arranged on the upper end face of each support block, a lithium battery pack is installed in each support frame, and a heat dissipation cavity is formed between the lower end face of each support frame and the bottom of the inner portion of the outer frame body;

two be connected with the mounting panel between the bottom of tray, the equidistance has been seted up and has been worn the groove on the mounting panel, and wears to be equipped with the fin in the inslot department, the slot has been seted up to the inside bottom equidistance of tray frame, insert to the slot in the top of fin, the lithium cell group down the terminal surface just has the heat conduction silica gel layer to slot position department bonding, the heat conduction silica gel layer is hugged closely on the top of fin, first heat conduction through-hole, every have been seted up to the inside bottom equidistance of outer frame body the fin corresponds a first heat conduction through-hole.

Preferably, an elastic pad is adhered to the inner wall of the through groove.

Preferably, the middle positions of the two side walls in the outer frame body are provided with grooves, and the buffer blocks are adhered to the inner parts of the grooves.

Preferably, second heat conduction through holes are formed in the upper end and the lower end of the two side walls of the outer frame body, and dust screens are arranged inside the second heat conduction through holes.

Preferably, the fixed end of the outer frame body is provided with a top cover, and the middle position of the lower end face of the top cover is connected with a pressing block.

Preferably, both sides of the bottom end of the outer frame body are connected with bottom cushion blocks.

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

(1) The utility model discloses simple structure, electrical equipment has been abandoned and the mode of cooling down has been carried out, the cost is reduced and the volume, the amount of the external power supply of lithium cell has been increased, wherein, the heat that the lithium cell produced when charging can be led to the fin via heat conduction silica gel layer fast, then via first heat conduction through-hole effluvium, can effectively protect when charging, avoid the heat too high and cause the lithium cell impaired, furthermore, the dead slot leaves between the inside bottom of the lower terminal surface of lithium cell group and outer frame body, do benefit to the convection current of air, the radiating effect is better, in addition, the fin passes after wearing the groove, cushion extrusion fin, can increase the fin and insert the stability of establishing in the slot, difficult emergence gliding.

(2) The utility model discloses an add recess and buffer block, after the support frame installation, the buffer block in the recess can be followed both sides and supported the support frame, when receiving the collision, the buffer block can play the cushioning effect, can reduce the damage degree that the support frame collided with the outer frame body and caused, and wherein, the buffer block bonds fixedly, does benefit to its follow-up change of tearing down.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of the portion B of FIG. 1;

in the figure: 1. an outer frame body; 2. a supporting block; 3. supporting the frame; 4. a lithium battery pack; 5. a top cover; 6. pressing into blocks; 7. mounting a plate; 8. a heat sink; 9. a first thermally conductive via; 10. a second thermally conductive via; 11. a dust screen; 12. a groove; 13. a buffer block; 14. a bottom cushion block; 15. penetrating a groove; 16. an elastic pad; 17. a slot; 18. and a heat-conducting silica gel layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: lithium battery with a charge protection structure, comprising:

the fixed end of the outer frame body 1 is provided with a top cover 5, the middle position of the lower end face of the top cover 5 is connected with a pressing block 6, the lower ends of two side walls in the outer frame body 1 are symmetrically connected with supporting blocks 2, the upper end face of each supporting block 2 is provided with a supporting frame 3, a lithium battery pack 4 is arranged in each supporting frame 3, and a heat dissipation cavity is arranged between the lower end face of each supporting frame 3 and the inner bottom of the outer frame body 1;

be connected with mounting panel 7 between the bottom of two tray 2, equidistant wearing groove 15 has been seted up on mounting panel 7, and wear to locate to wear to be equipped with fin 8 in the groove 15, slot 17 has been seted up to the inside bottom equidistance of tray frame 3, insert in slot 17 on the top of fin 8, lithium cell group 4 down the terminal surface just bond to slot 17 position department and have heat conduction silica gel layer 18, heat conduction silica gel layer 18 is hugged closely on the top of fin 8, first heat conduction through-hole 9 has been seted up to the inside bottom equidistance of outer frame body 1, every fin 8 corresponds a first heat conduction through-hole 9, the inner wall bonding of wearing groove 15 has cushion 16.

Through the technical scheme:

the heat generated during the charging of the lithium battery can be quickly conducted to the radiating fins 8 through the heat conducting silica gel layer 18 and then dissipated through the first heat conducting through holes 9, so that the lithium battery can be effectively protected during the charging, the lithium battery is prevented from being damaged due to overhigh heat, and the heat can be dissipated during the charging;

in addition, an empty groove is reserved between the lower end face of the lithium battery pack 4 and the bottom of the inner part of the outer frame body 1, the lithium battery pack is conveniently communicated with the outside air through the first heat conduction through hole 9, the convection of the air is facilitated, and the heat dissipation effect is better;

in addition, after the heat sink 8 passes through the through slot 15, the elastic pad 16 presses the heat sink 8, so that the stability of inserting the heat sink 8 into the slot 17 can be increased, and the heat sink is not easy to slide down.

Furthermore, a groove 12 is formed in the middle of two side walls in the outer frame body 1, and a buffer block 13 is bonded in the groove 12;

specifically, after the support frame 3 is installed, the buffer blocks 13 in the grooves 12 can be pressed against the support frame 3 from two sides, when the support frame 3 is collided, the support frame 3 is shifted, the buffer blocks 13 can play a role in buffering, and the damage degree caused by collision of the support frame 3 to the outer frame body 1 can be reduced.

Furthermore, both sides of the bottom end of the outer frame body 1 are connected with bottom cushion blocks 14;

specifically, the bottom cushion block 14 has a certain thickness, so that when the outer frame body 1 is placed or installed, the port of the first heat conducting through hole 9 at the bottom end of the outer frame body 1 is not blocked, and heat dissipation can be ensured.

Referring to fig. 1-2, the upper and lower ends of the two side walls of the outer frame 1 are respectively provided with a second heat conducting through hole 10, and a dust screen 11 is disposed inside the second heat conducting through hole 10.

Through the technical scheme:

the second heat conduction through hole 10 is communicated with the outside, when the lithium battery is charged and discharged, part of generated heat can be dissipated from the second heat conduction through hole 10, wherein the added dustproof net 11 can effectively block dust, and the dust is prevented from entering the outer frame body 1 through the second heat conduction through hole 10.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Lithium cell with protection architecture charges, its characterized in that includes:

the battery pack support structure comprises an outer frame body (1), wherein support blocks (2) are symmetrically connected to the lower ends of two side walls in the outer frame body (1), a support frame (3) is arranged on the upper end face of each support block (2), a lithium battery pack (4) is arranged in each support frame (3), and a heat dissipation cavity is formed between the lower end face of each support frame (3) and the bottom in the outer frame body (1);

two be connected with mounting panel (7) between the bottom of tray (2), equidistant worn groove (15) of having seted up in mounting panel (7), and worn groove (15) interior department and wear to be equipped with fin (8), slot (17) have been seted up to the inside bottom equidistance of support frame (3), insert in slot (17) on the top of fin (8), the lithium cell group (4) lower terminal surface just has heat conduction silica gel layer (18) to bonding to slot (17) position department, heat conduction silica gel layer (18) are hugged closely on the top of fin (8), first heat conduction through-hole (9) have been seted up to the inside bottom equidistance of outer frame body (1), every fin (8) correspond a first heat conduction through-hole (9).

2. The lithium battery with a charging protection structure of claim 1, wherein: an elastic pad (16) is bonded on the inner wall of the through groove (15).

3. The lithium battery with a charging protection structure of claim 2, wherein: the middle positions of two side walls in the outer frame body (1) are provided with grooves (12), and buffer blocks (13) are adhered to the inner parts of the grooves (12).

4. A lithium battery with a charge protection structure according to claim 3, characterized in that: second heat conduction through-holes (10) have all been seted up to the lower extreme on the both sides wall of outer frame body (1), the inside of second heat conduction through-holes (10) is equipped with dust screen (11).

5. A lithium battery with a charge protection structure according to claim 4, characterized in that: the fixed end of the outer frame body (1) is provided with a top cover (5), and the middle position of the lower end face of the top cover (5) is connected with a pressing block (6).

6. A lithium battery with a charge protection structure as claimed in claim 5, characterized in that: both sides of the bottom end of the outer frame body (1) are connected with bottom cushion blocks (14).

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