CN211670298U

CN211670298U - Waterproof lithium battery protective shell

Info

Publication number: CN211670298U
Application number: CN202020285683.0U
Authority: CN
Inventors: 严伟明
Original assignee: Shanxi Mingyu Biotechnology Co ltd
Current assignee: Shanxi Mingyu Biotechnology Co.,Ltd.
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-13
Anticipated expiration: 2030-03-10

Abstract

The utility model discloses a waterproof lithium battery protective housing, including the box, the box is fixed on the base station, the box top cup joints and is fixed with the apron, and box top outer wall opens and to have annular recess, and apron bottom inner wall is fixed with forms the scarf joint complex bulge loop with the recess, bulge loop profile shape is trapezoidal, and bulge loop both sides inclined plane is fixed with the sealing washer, apron top outer wall central point puts to open there is the thermovent, and is fixed with annular fixed frame in the thermovent, and fixed frame internal fixation has the heat transfer board, the heat transfer board bottom is fixed with the heat exchanger fin that a plurality of equidistance distribute, and it has a plurality of honeycomb holes to open on the heat exchanger fin, and heat transfer board top outer wall is fixed with the sand grip that a plurality of equidistance distribute. The utility model discloses can absorb and transmit for the heat transfer board to the heat that the lithium cell produced in the box on, the heat transfer board carries out the work of dispelling the heat with heat transfer to the outside air of box.

Description

Waterproof lithium battery protective shell

Technical Field

The utility model relates to a battery protection shell technical field especially relates to a waterproof lithium cell protective housing.

Background

In general, a lithium metal battery uses manganese dioxide as a positive electrode material, lithium metal or an alloy metal thereof as a negative electrode material, and a nonaqueous electrolyte solution. With the widespread use of digital products such as mobile phones, notebook computers and the like, lithium ion batteries are widely used in such products with excellent performance, and are gradually developing into the application fields of other products.

Lithium batteries are closely related to human life, but lithium batteries generally generate more heat during use. However, the existing lithium battery protection shell cannot perform quick heat dissipation, so that the service life of the lithium battery is shortened, the existing heat dissipation work utilizes the heat dissipation holes to dissipate heat, and the waterproof requirement on the lithium battery cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the waterproof lithium cell protective housing that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a waterproof lithium battery protection shell, includes the box, and the box is fixed on the base station, the box top cup joints and is fixed with the apron, and box top outer wall opens and to have the annular recess, and apron bottom inner wall is fixed with to form the scarf joint complex bulge loop with the recess, bulge loop profile shape is trapezoidal, and bulge loop both sides inclined plane is fixed with the sealing washer, apron top outer wall central point puts and opens there is the thermovent, and is fixed with annular fixed frame in the thermovent, and fixed frame internal fixation has the heat transfer board, the heat transfer board bottom is fixed with the heat exchanger fin that a plurality of equidistance distribute, and it has a plurality of honeycomb holes to open on the heat transfer fin, and heat transfer board top outer wall is fixed with the sand grip of a plurality of equidistance distributions, the relative both sides inner wall of box is fixed with the.

Furthermore, positioning columns are fixed at four corners of the outer wall of the bottom of the box body and are inserted into the base station.

Furthermore, fixture includes the curb plate, and the clamping face of curb plate is fixed with the centre gripping pad, and centre gripping pad one side is equipped with the sand grip of equidistance distribution.

Furthermore, a connecting plate is fixed at the bottom end of each heat exchange fin, and lugs are fixed at four corners of the outer wall of the bottom of each connecting plate.

Furthermore, the inside lateral wall of apron has inlayed and has had a plurality of sealing rings, sealing ring and the laminating of box outer wall.

Furthermore, support columns are fixed at four corners of the inner wall of the bottom of the box body.

Furthermore, the supporting columns are replaced by supporting devices, each supporting device comprises a sleeve, a screw rod is inserted into the top end of each sleeve in a threaded mode, and a supporting block is fixed to the top end of each screw rod.

The utility model has the advantages that:

1. on the heat that can produce the lithium cell in the box absorbed and transmitted for the heat transfer board through setting up of heat exchanger fin, the heat transfer board carries out the heat dissipation work with heat transfer to the outside air of box, and the sand grip can increase the heat transfer area of heat transfer board and air, improves the heat transfer effect of heat transfer board.

2. The sealing strength between the top end of the box body and the cover plate can be increased through the arrangement of the sealing rings on the two sides of the convex ring, the sealing strength and the anti-slip strength between the cover plate and the side wall of the top end of the box body can be increased through the sealing rings, and the waterproof capacity of the device is improved.

3. The supporting block can move up and down in the sleeve pipe when being screwed through the screw rod, so that the supporting height of the supporting block is adjusted, the tops of the lithium batteries with different heights can be in contact with the lug, the upper and lower clamping work of the lithium batteries is realized, and the application range of the device is enlarged.

Drawings

Fig. 1 is a schematic sectional view of an embodiment 1 of a protective case for a waterproof lithium battery according to the present invention;

fig. 2 is a schematic sectional view of an embodiment 2 of a protective case for a waterproof lithium battery according to the present invention;

fig. 3 is the utility model provides a local semi-section spatial structure schematic diagram of embodiment 2 of waterproof lithium battery protection shell.

In the figure: the heat exchanger comprises a box body 1, a base platform 2, a positioning column 3, a side plate 4, a clamping pad 5, a binding post 6, a cover plate 7, a convex ring 8, a sealing ring 9, a heat dissipation opening 10, a heat exchange plate 11, a convex strip 12, a heat exchange plate 13, a connecting plate 14, a convex block 15, a fixing frame 16, a sealing ring 17, a support column 18, a support block 19, a screw rod 20 and a sleeve 21.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1, a waterproof lithium battery protection case comprises a case body 1, the case body 1 is fixed on a base station 2, a cover plate 7 is fixedly sleeved on the top end of the case body 1, and the outer wall of the top of the box body 1 is provided with an annular groove, the inner wall of the bottom of the cover plate 7 is fixed with a convex ring 8 which is in scarf joint and matching with the groove, the section of the convex ring 8 is trapezoidal, and the inclined planes at the two sides of the convex ring 8 are fixed with sealing rings 9, the central position of the outer wall at the top of the cover plate 7 is provided with a heat dissipation opening 10, an annular fixing frame 16 is fixed in the heat dissipation opening 10, a heat exchange plate 11 is fixed in the fixing frame 16, a plurality of heat exchange sheets 13 which are distributed at equal intervals are fixed at the bottom of the heat exchange plate 11, a plurality of honeycomb holes are formed on the heat exchange sheets 13, and a plurality of raised strips 12 distributed at equal intervals are fixed on the outer wall of the top of the heat exchange plate 11, clamping mechanisms distributed symmetrically are fixed on the inner walls of two opposite sides of the box body 1, and a binding post 6 is fixed on one side of the box body 1.

Four corners of 1 bottom outer wall of box all are fixed with reference column 3, reference column 3 is pegged graft on base station 2, fixture includes curb plate 4, the clamping face of curb plate 4 is fixed with clamping pad 5, clamping pad 5 one side is equipped with the sand grip 12 that the equidistance distributes, 13 bottom mounting of heat exchanger fin have connecting plate 14, four corners of 14 bottom outer walls of connecting plate all are fixed with

lug

15, 7 inside lateral walls of apron have inlayed and have been connected a plurality of sealing rings 17, sealing ring 17 and the laminating of 1 outer wall of box, four corners of 1 bottom inner wall of box all are fixed with support column 18.

The working principle of the embodiment is as follows: heat exchanger fin 13 can absorb and transmit for on heat transfer board 11 to the heat that the lithium cell produced in box 1, heat transfer board 11 carries out the heat dissipation work with heat transfer to the outside air of box 1, sand grip 12 can increase the contact heat transfer area of heat transfer board 11 and air, improve the heat transfer effect of

heat transfer board

11, 8 both sides sealing washer 9 of bulge loop can increase the seal strength between 1 top of box and apron 7, sealing ring 17 can increase seal strength and the non-skid resistance between apron 7 and the 1 top lateral wall of box, the waterproof ability of the device is improved.

Example 2

Referring to fig. 2 and 3, the present embodiment of a waterproof lithium battery protection case differs from embodiment 1 in that a support column 18 is replaced by a support device, the support device includes a sleeve 21, a screw 20 is inserted into a top end of the sleeve 21 through a screw thread, and a support block 19 is fixed to a top end of the screw 20.

The working principle of the embodiment is as follows: the screw rod 20 can move up and down in the sleeve 21 when screwing the supporting block 19, so that the supporting height of the supporting block 19 is adjusted, the tops of the lithium batteries with different heights can be in contact with the lug 15, the upper and lower clamping work of the lithium batteries is realized, and the application range of the device is enlarged.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A waterproof lithium battery protection shell comprises a box body (1), wherein the box body (1) is fixed on a base station (2), and is characterized in that a cover plate (7) is fixedly sleeved at the top end of the box body (1), an annular groove is formed in the outer wall of the top of the box body (1), a convex ring (8) which is in scarf joint with the groove is fixed on the inner wall of the bottom of the cover plate (7), the section shape of the convex ring (8) is trapezoidal, sealing rings (9) are fixed on the inclined planes of two sides of the convex ring (8), a heat dissipation opening (10) is formed in the center position of the outer wall of the top of the cover plate (7), an annular fixing frame (16) is fixed in the heat dissipation opening (10), a heat exchange plate (11) is fixed in the fixing frame (16), a plurality of heat exchange sheets (13) which are distributed equidistantly are fixed at the bottom of the heat exchange plate (11), a plurality of honeycomb holes are formed in the heat exchange sheets (13), and a plurality of raised, the clamping mechanisms which are symmetrically distributed are fixed on the inner walls of two opposite sides of the box body (1), and a binding post (6) is fixed on one side of the box body (1).

2. The protective shell according to claim 1, wherein four corners of the outer wall of the bottom of the box (1) are fixed with positioning posts (3), and the positioning posts (3) are inserted into the base (2).

3. The protective shell according to claim 1, wherein the clamping mechanism comprises a side plate (4), a clamping pad (5) is fixed on a clamping surface of the side plate (4), and convex strips (12) distributed at equal intervals are arranged on one side of the clamping pad (5).

4. The protective shell according to claim 1, wherein the heat exchanger plates (13) are fixed at the bottom ends with connecting plates (14), and the outer walls at the bottom of the connecting plates (14) are fixed at four corners with bumps (15).

5. The protective shell according to claim 1, wherein a plurality of sealing rings (17) are embedded in the side wall of the cover plate (7), and the sealing rings (17) are attached to the outer wall of the box body (1).

6. The protective case of a waterproof lithium battery as claimed in any one of claims 1 to 5, wherein support posts (18) are fixed to four corners of the inner wall of the bottom of the case (1).

7. The protective shell according to claim 6, wherein the support column (18) is replaced by a support device, the support device comprises a sleeve (21), a screw (20) is inserted into the top end of the sleeve (21) in a threaded manner, and the support block (19) is fixed to the top end of the screw (20).