CN210325947U

CN210325947U - Lithium battery device with extrusion-proof structure

Info

Publication number: CN210325947U
Application number: CN201921707018.XU
Authority: CN
Inventors: 舒江
Original assignee: Shenzhen Huayu New Energy Technology Co Ltd
Current assignee: Shenzhen Huayu New Energy Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-04-14
Anticipated expiration: 2029-10-12

Abstract

The utility model discloses a lithium battery device with prevent extrusion structure, include lithium cell body, baffle and prevent extrusion mechanism, lithium cell body's top is provided with the apron, the inboard surface mounting of apron has heat dissipation mechanism, built-in paraffin filler is installed to the inboard of baffle, the right side of baffle is provided with the second group battery, prevent extrusion mechanism's surface mounting and have fire-retardant PC rete, prevent that extrusion mechanism's left and right sides both ends all install fixed handle. This lithium battery device with prevent extrusion structure compares with current ordinary lithium battery device, can carry out many places heat dissipation to this lithium battery device is inside supplementary, has improved the refrigerated speed of cooling of this lithium battery device in the use to can utilize the wave plate of its inside setting, improve the device's anti impact pressure performance and prevent the extrusion performance, reduced the device because receive external impact and the deformation degree that produces in the use.

Description

Lithium battery device with extrusion-proof structure

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell device with prevent extrusion structure.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, can be divided into a lithium metal battery and a lithium ion battery, is widely applied to energy storage power supply systems of hydraulic power, firepower, wind power, solar power stations and the like, and promotes the continuous development and perfection of the lithium battery along with the development of scientific technology and the continuous progress of electronic technology.

The lithium battery pack heat dissipation device comprises a lithium battery pack, a heat pipe and a heat pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery device with prevent extrusion structure to propose general lithium battery device in solving above-mentioned background art and in the use, the heat that the work of lithium cell group that can not inside produced carries out timely supplementary heat dissipation, leads to this lithium battery device to be impaired easily and reduce its life, the not fine user demand problem of satisfying people.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery device with an anti-extrusion structure comprises a lithium battery body, a baffle plate and an anti-extrusion mechanism, wherein the top end of the lithium battery body is provided with a cover plate, and the inner parts of the left and right ends of the cover plate are provided with built-in connecting wires, the inner side surface of the cover plate is provided with a heat dissipation mechanism, and a first battery pack is arranged below the cover plate, a built-in paraffin filler is arranged on the inner side of the partition plate, and the baffle is positioned at the right side of the first battery pack, the right side of the baffle is provided with a second battery pack, the outer surface of the anti-extrusion mechanism is provided with a flame-retardant PC film layer, the anti-extrusion mechanism is positioned at the bottom end of the lithium battery body, the left end and the right end of the anti-extrusion mechanism are both provided with a fixed handle, and the outer surfaces of the left side and the right side of the bottom end of the extrusion prevention mechanism are connected with angle protectors in an adhesion manner, a base is arranged below the extrusion prevention mechanism, and the outer surfaces of the front end and the rear end of the extrusion prevention mechanism are fixed with protective blocks.

Preferably, heat dissipation mechanism includes the silica gel heat-conducting plate, heat conduction separates the stratum reticulare and louvre, and the bottom edge of louvre is provided with the silica gel heat-conducting plate, the below surface mounting of silica gel heat-conducting plate has the heat conduction to separate the stratum reticulare.

Preferably, the silica gel heat-conducting plate is connected with the first battery pack and the second battery pack through the heat-conducting separation net layer, and the upper surface of the silica gel heat-conducting plate is tightly attached to the edge of the lower end surface of the heat dissipation hole.

Preferably, the extrusion preventing mechanism comprises an outer shell, an internal corrugated plate, an external paraffin filler and an inner heat conducting shell, wherein the internal corrugated plate is arranged on the inner side of the outer shell, the external paraffin filler is arranged on the outer surface of the internal corrugated plate, and the inner heat conducting shell is arranged on the inner side of the external paraffin filler.

Preferably, the outer shell and the inner heat-conducting shell form an integrated structure through the built-in corrugated plate, the external paraffin filler and the inner heat-conducting shell, and the outer surface structure of the external paraffin filler is matched with that of the built-in corrugated plate.

Preferably, the separators form an integrated structure through a built-in paraffin filler, and the outer surfaces of the separators are respectively attached to the right side surface of the first battery pack and the left side surface of the second battery pack.

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

1. the utility model can assist the inside of the lithium battery device to dissipate heat in the use process through the arrangement of the silica gel heat-conducting plate, the heat-conducting mesh layer and the heat dissipation holes, accelerate the heat dissipation generated in the working process of the internal battery pack, rapidly cool the internal battery pack, maintain the relative stability of the internal temperature of the lithium battery device, and is beneficial to the use of the lithium battery device;

2. the utility model discloses a setting of baffle and built-in paraffin filler makes this lithium cell device in the use, and the built-in paraffin filler that its inside set up can utilize the conversion of self solid-liquid speciality through the baffle of both sides, absorbs the heat that the group battery work produced to reach the effect of cooling down the lithium cell group, improved the speed of the cooling down of this lithium cell device in the use;

3. the utility model discloses an outer shell, built-in wave plate, the setting of external paraffin filler and inlayer heat conduction casing, make this lithium cell device in the use, utilize the wave plate of its inside setting, improve the anti impact performance of outer shell in the use, reduce the device owing to receive the deformation degree that external impact produced in the use, thereby improve the use of this lithium cell device and prevent the extrusion performance, also utilize external paraffin filler simultaneously, assist the heat dissipation around the group battery of inside, thereby the inside radiating effect of this lithium cell device has been improved.

Drawings

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

FIG. 2 is a schematic view of the external structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a lithium battery body; 2. a cover plate; 3. a connecting wire is arranged inside; 4. a first battery pack; 5. a heat dissipation mechanism; 501. a silica gel heat-conducting plate; 502. a heat conducting mesh separating layer; 503. heat dissipation holes; 6. a partition plate; 7. a paraffin filler is arranged in the container; 8. a second battery pack; 9. a flame retardant PC film layer; 10. fixing a handle; 11. an anti-extrusion mechanism; 1101. an outer shell; 1102. a corrugated plate is arranged inside; 1103. an external paraffin filler; 1104. an inner thermally conductive shell; 12. protecting the corner; 13. a base; 14. and a protection block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery device with an anti-extrusion structure comprises a lithium battery body 1, a partition plate 6 and an anti-extrusion mechanism 11, wherein a cover plate 2 is arranged at the top end of the lithium battery body 1, built-in connecting wires 3 are arranged inside the left end and the right end of the cover plate 2, a heat dissipation mechanism 5 is arranged on the inner side surface of the cover plate 2, a first battery pack 4 is arranged below the cover plate 2, the heat dissipation mechanism 5 comprises a silica gel heat conduction plate 501, a heat conduction isolation net layer 502 and a heat dissipation hole 503, a silica gel heat conduction plate 501 is arranged at the bottom end edge of the heat dissipation hole 503, a heat conduction isolation net layer 502 is arranged on the lower surface of the silica gel heat conduction plate 501, the silica gel heat conduction plate 501 is respectively connected with the first battery pack 4 and the second battery pack 8 through the heat conduction isolation net layer 502, the upper surface of the silica gel heat conduction plate 501 is, the heat dissipation generated in the working process of the internal battery pack is accelerated, the internal battery pack is cooled rapidly, the internal temperature of the lithium battery device is kept relatively stable, and the lithium battery device is favorably used;

the built-in paraffin filler 7 is arranged on the inner side of the partition plate 6, the partition plate 6 is positioned on the right side of the first battery pack 4, the second battery pack 8 is arranged on the right side of the partition plate 6, the partition plates 6 form an integrated structure through the built-in paraffin filler 7, and the outer surface of the partition plate 6 is respectively attached to the right side surface of the first battery pack 4 and the left side surface of the second battery pack 8, so that the built-in paraffin filler 7 arranged in the lithium battery device can absorb heat generated by the work of the battery packs through the partition plates 6 on the two sides by utilizing the self solid-liquid characteristic conversion in the use process of the lithium battery device, the effect of cooling the lithium battery packs is achieved, and the cooling rate of the lithium battery device in the use process is improved;

the outer surface of the anti-extrusion mechanism 11 is provided with the flame-retardant PC film layer 9, the anti-extrusion mechanism 11 is positioned at the bottom end of the lithium battery body 1, the left end and the right end of the anti-extrusion mechanism 11 are both provided with the fixed handles 10, the outer surfaces of the left side and the right side of the bottom end of the anti-extrusion mechanism 11 are connected with the protective corners 12 in an adhesion manner, the anti-extrusion mechanism 11 comprises an outer shell 1101, an inner corrugated plate 1102, an external paraffin filler 1103 and an inner heat-conducting shell 1104, the inner side of the outer shell 1101 is provided with the inner corrugated plate 1102, the outer paraffin filler 1103 is arranged on the outer surface of the inner corrugated plate 1102, the inner heat-conducting shell 1104 is arranged on the inner side of the external paraffin filler 1103, the outer shell 1101 is in an integrated structure through the inner corrugated plate 1102, the external paraffin filler 1103 and the inner heat-conducting shell, make this lithium battery device in the use, utilize the wave plate 1102 of its inside setting, improve the anti pressure resistance ability of outer shell 1101 in the use, reduce the device owing to receive the deformation degree that external world strikes and produce in the use, thereby improve this lithium battery device's use and prevent extrusion performance, also utilize external paraffin filler 1103 simultaneously, assist the heat dissipation around the group battery of inside, thereby the inside radiating effect of this lithium battery device has been improved, the below of preventing extrusion mechanism 11 is provided with base 13, and prevent that extrusion mechanism 11's front and back both ends external fixation has protective block 14.

The working principle is as follows: when the lithium battery device with the anti-extrusion structure is used, firstly, the lithium battery device is connected with external equipment through the built-in power line 3 arranged in the lithium battery device, so that the lithium battery device can be used for supplying power, in the using process of the lithium battery device, the silica gel heat conducting plate 501 arranged on the inner side surface of the cover plate 2 is connected with the first battery pack 4 and the second battery pack 8 in the lithium battery device through the adhesion between the surface heat conducting net layer 502 and the first battery pack 4 and the second battery pack 8, the heat generated in the working process of the first battery pack 4 and the second battery pack 8 is transferred to the surface of the first battery pack 4 and the second battery pack 8, and finally the heat is transferred to the outside through the heat dissipation holes 503 attached to the upper surface;

when the device is used, the built-in paraffin filler 7 and the external paraffin filler 1103 which are arranged inside the device absorb heat generated in the working process of the first battery pack 4 and the second battery pack 8 by utilizing the conversion of the solid-liquid characteristics of the device under the heat conduction and transfer effects of the partition plate 6 and the inner side heat conduction shell 1104, so that the effect of cooling the periphery of the lithium battery pack is achieved, the cooling rate of the lithium battery device in the using process is improved, meanwhile, the outer shell 1101 improves the anti-pressure performance of the outer shell 1101 in the using process by utilizing the corrugated plate 1102 which is arranged inside the outer shell 1101, the deformation degree of the device caused by external impact in the using process is reduced, and the anti-extrusion performance of the lithium battery device in the using process is improved.

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

1. The utility model provides a lithium battery device with prevent extrusion structure, includes lithium cell body (1), baffle (6) and prevents extrusion mechanism (11), its characterized in that: the lithium battery comprises a lithium battery body (1), a cover plate (2) is arranged at the top end of the lithium battery body (1), built-in connecting wires (3) are arranged inside the left end and the right end of the cover plate (2), a heat dissipation mechanism (5) is arranged on the inner side surface of the cover plate (2), a first battery pack (4) is arranged below the cover plate (2), built-in paraffin filler (7) is arranged on the inner side of a partition plate (6), the partition plate (6) is located on the right side of the first battery pack (4), a second battery pack (8) is arranged on the right side of the partition plate (6), a flame-retardant PC film layer (9) is arranged on the outer surface of an anti-extrusion mechanism (11), the anti-extrusion mechanism (11) is located at the bottom end of the lithium battery body (1), fixing handles (10) are arranged at the left end and the right end of the anti-extrusion mechanism, a base (13) is arranged below the anti-extrusion mechanism (11), and protective blocks (14) are fixed on the outer surfaces of the front end and the rear end of the anti-extrusion mechanism (11).

2. A lithium battery device having an anti-crush structure according to claim 1, wherein: heat dissipation mechanism (5) include silica gel heat-conducting plate (501), heat conduction separate stratum reticulare (502) and louvre (503), and the bottom edge of louvre (503) is provided with silica gel heat-conducting plate (501), surface mounting has heat conduction to separate stratum reticulare (502) below silica gel heat-conducting plate (501).

3. A lithium battery device having an anti-crush structure according to claim 2, wherein: the silica gel heat-conducting plate (501) is respectively connected with the first battery pack (4) and the second battery pack (8) through the heat-conducting mesh layer (502), and the upper surface of the silica gel heat-conducting plate (501) is tightly attached to the edge of the lower surface of the heat dissipation hole (503).

4. A lithium battery device having an anti-crush structure according to claim 1, wherein: prevent that extrusion mechanism (11) includes outer casing (1101), built-in wave plate (1102), external paraffin filler (1103) and inlayer heat conduction casing (1104), and the inboard of outer casing (1101) is provided with built-in wave plate (1102), the surface mounting of built-in wave plate (1102) has external paraffin filler (1103), and the inboard of external paraffin filler (1103) is provided with inlayer heat conduction casing (1104).

5. The lithium battery device having an anti-crush structure according to claim 4, wherein: the outer shell (1101) and the inner heat-conducting shell (1104) form an integrated structure through the internal corrugated plate (1102), the external paraffin filler (1103), and the outer surface structure of the external paraffin filler (1103) is matched with the outer surface structure of the internal corrugated plate (1102).

6. A lithium battery device having an anti-crush structure according to claim 1, wherein: the partition plates (6) form an integrated structure through the built-in paraffin fillers (7), and the outer surfaces of the partition plates (6) are respectively attached to the right side surface of the first battery pack (4) and the left side surface of the second battery pack (8).