CN210668594U

CN210668594U - Winding lithium ion battery

Info

Publication number: CN210668594U
Application number: CN201921942885.1U
Authority: CN
Inventors: 桂磊; 刘高伟
Original assignee: Dongguan Xinhengkai Energy Co ltd
Current assignee: Yichun Xinhengkai New Energy Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-06-02
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a coiling lithium ion battery, including the lithium ion battery body, fixedly connected with heat-conducting plate on the shell of lithium ion battery body is equipped with the conduction oil between the shell of heat-conducting plate and lithium ion battery body and stores the cavity, the outside fixedly connected with heat dissipation mechanism of heat-conducting plate, the beneficial effects of the utility model are that: the utility model relates to a good heat dissipation's coiling lithium ion battery, the utility model discloses an outside at neotype lithium ion battery body has set up the heat-conducting plate, has set up heat dissipation mechanism in the outside of heat-conducting plate, during the use, the heat transfer that the first fixed plate of heat-conducting plate produced lithium ion battery body gives the second fixed plate of heat dissipation mechanism, then looses away through the heat dissipation strip, and the setting of a plurality of heat dissipation strips has increased the utility model discloses a heat radiating area, and then accelerate the utility model discloses a radiating rate avoids the high temperature loss the utility model discloses a life.

Description

Winding lithium ion battery

Technical Field

The utility model relates to the technical field of batteries, specifically a coiling lithium ion battery.

Background

The lithium ion battery is a battery which can be used repeatedly, belongs to a battery, and the winding lithium ion battery is one of the lithium ion batteries.

The coiling lithium ion battery that uses at present thermal diffusivity is poor, during the use, only relies on battery case to dispel the heat, leads to the inside heat of battery in time to disperse away for the battery is in high temperature state for a long time, and then the life of loss battery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coiling lithium ion battery to solve the coiling lithium ion battery thermal diffusivity poor that uses at present, during the use, only rely on battery case to dispel the heat, lead to the inside heat of battery in time to disperse away, make the battery be in high temperature state for a long time, and then the problem of the life of loss battery.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a coiling lithium ion battery, includes the lithium ion battery body, fixedly connected with heat-conducting plate on the shell of lithium ion battery body, be equipped with the conduction oil between the shell of heat-conducting plate and lithium ion battery body and store the cavity, the outside fixedly connected with heat dissipation mechanism of heat-conducting plate.

Preferably, the heat-conducting plate includes first fixed plate, the equal fixed connection of lower extreme is on the shell of lithium ion battery body on the inside wall of first fixed plate, the inside wall middle part of first fixed plate is equipped with first recess, a plurality of extrusion pieces of fixedly connected with on the inside wall of first recess, adjacent two distance between the extrusion piece is equal the same.

Preferably, a plurality of one sides of the extrusion blocks, which are close to the lithium ion battery body, are provided with installation clamping grooves, the installation clamping grooves are of arc-shaped structures, and the inner side walls of the installation clamping grooves are fixedly connected with the shell of the lithium ion battery body.

Preferably, an oil filling opening is formed in the upper end of the first fixing plate and communicated with the first groove.

Preferably, the heat dissipation mechanism includes the second fixed plate, the lateral wall middle part of second fixed plate is equipped with the second recess, a plurality of heat dissipation strips of inside fixedly connected with of second recess, it is a plurality of the thickness of heat dissipation strip is all less than the degree of depth of second recess, adjacent two distance between the heat dissipation strip is the same.

Preferably, the height of the second fixing plate is the same as that of the first fixing plate, and the inner side wall of the second fixing plate is fixedly connected to the outer side wall of the first fixing plate.

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

1. the utility model relates to a good heat dissipation's coiling lithium ion battery, the utility model discloses an outside at neotype lithium ion battery body has set up the heat-conducting plate, has set up heat dissipation mechanism in the outside of heat-conducting plate, during the use, the heat transfer that the first fixed plate of heat-conducting plate produced lithium ion battery body gives the second fixed plate of heat dissipation mechanism, then looses away through the heat dissipation strip, and the setting of a plurality of heat dissipation strips has increased the utility model discloses a heat radiating area, and then accelerate the utility model discloses a radiating rate avoids the high temperature loss the utility model discloses a life.

2. The utility model discloses a set up the conduction oil between heat-conducting plate and the lithium ion battery body and store the cavity, during the use, the conduction oil in the conduction oil storage cavity can accelerate thermal transmission, is convenient for accelerate the utility model discloses a radiating rate.

Drawings

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

FIG. 2 is a sectional view of the present invention;

FIG. 3 is a schematic structural diagram of the heat-conducting plate of the present invention;

fig. 4 is a schematic structural view of the heat dissipation mechanism of the present invention.

In the figure: 1. a lithium ion battery body; 2. a heat conducting plate; 21. a first fixing plate; 22. a first groove; 23. extruding the block; 24. installing a clamping groove; 25. an oil filling port; 3. a heat conducting oil storage cavity; 4. a heat dissipation mechanism; 41. a second fixing plate; 42. a second groove; 43. a heat dissipating strip.

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. 1-4, the present invention provides a technical solution: the utility model provides a convolute lithium ion battery, includes lithium ion battery body 1, fixedly connected with heat-conducting plate 2 on lithium ion battery body 1's the shell, is equipped with the conduction oil between heat-conducting plate 2 and lithium ion battery body 1's the shell and stores cavity 3, is convenient for deposit the conduction oil, and the outside fixedly connected with heat dissipation mechanism 4 of heat-conducting plate 2.

The heat conducting plate 2 comprises a first fixing plate 21, the upper end and the lower end of the inner side wall of the first fixing plate 21 are fixedly connected to the shell of the lithium ion battery body 1, a first groove 22 is arranged in the middle of the inner side wall of the first fixing plate 21, a plurality of extrusion blocks 23 are fixedly connected to the inner side wall of the first groove 22, the distances between every two adjacent extrusion blocks 23 are the same, heat is conveniently transferred to a second fixing plate 41, one side, close to the lithium ion battery body 1, of each extrusion block 23 is provided with an installation clamping groove 24, the installation clamping grooves 24 are of arc structures, the inner side wall of each installation clamping groove 24 is fixedly connected with the shell of the lithium ion battery body 1, the first fixing plate 21 is conveniently supported, an oil filling port 25 is arranged at the upper end of the first fixing plate 21, the oil filling port 25 is communicated with the first groove 22, heat conducting oil is, the lateral wall middle part of second fixed plate 41 is equipped with second recess 42, and a plurality of heat dissipation strips 43 of the inside fixedly connected with of second recess 42, the thickness of a plurality of heat dissipation strips 43 all is little than the degree of depth of second recess 42, and the distance between two adjacent heat dissipation strips 43 is all the same, is convenient for accelerate the utility model discloses a radiating rate, the height of second fixed plate 41 and the height of first fixed plate 21 are the same, and the inside wall fixed connection of second fixed plate 41 is convenient for fix second fixed plate 41 on first fixed plate 21 on the lateral wall of first fixed plate 21.

It is specific, fix heat-conducting plate 2 on lithium ion battery body 1, fix heat dissipation mechanism 4 on heat-conducting plate 2, oil filler point 25 through heat-conducting plate 2 stores the heat-conducting oil 3 inside and is annotated full of the heat-conducting oil, seal oil filler point 25 again, during the use, the heat-conducting oil of 3 inside heat-conducting oils of cavity can absorb the heat on the shell of lithium ion battery body 1, then pass the heat for heat-conducting plate 2's first fixed plate 21, first fixed plate 21 again with the heat transfer for heat dissipation mechanism 4's second fixed plate 41, then dispel away through heat dissipation strip 43, the setting of a plurality of heat dissipation strips 43 has increased the utility model discloses heat radiating area, and then accelerate the utility model discloses a radiating rate.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 convolute lithium ion battery, its characterized in that, includes lithium ion battery body (1), fixedly connected with heat-conducting plate (2) on the shell of lithium ion battery body (1), be equipped with heat-conducting oil storage cavity (3) between the shell of heat-conducting plate (2) and lithium ion battery body (1), the outside fixedly connected with heat dissipation mechanism (4) of heat-conducting plate (2).

2. The wound lithium ion battery of claim 1, wherein: the heat-conducting plate (2) comprises a first fixing plate (21), the upper end and the lower end of the inner side wall of the first fixing plate (21) are fixedly connected to the shell of the lithium ion battery body (1), a first groove (22) is formed in the middle of the inner side wall of the first fixing plate (21), a plurality of extrusion blocks (23) are fixedly connected to the inner side wall of the first groove (22), and the distance between the extrusion blocks (23) is equal.

3. A wound lithium ion battery according to claim 2, characterized in that: a plurality of one side that extrusion piece (23) are close to lithium ion battery body (1) all is equipped with installation slot (24), installation slot (24) all are the arc structure, the inside wall of installation slot (24) all with the shell fixed connection of lithium ion battery body (1).

4. A wound lithium ion battery according to claim 2, characterized in that: an oil filling opening (25) is formed in the upper end of the first fixing plate (21), and the oil filling opening (25) is communicated with the first groove (22).

5. The wound lithium ion battery of claim 1, wherein: heat dissipation mechanism (4) include second fixed plate (41), the lateral wall middle part of second fixed plate (41) is equipped with second recess (42), a plurality of heat dissipation strip (43) of inside fixedly connected with of second recess (42), it is a plurality of the thickness of heat dissipation strip (43) all is less than the degree of depth of second recess (42), adjacent two distance between heat dissipation strip (43) is equal the same.

6. The wound lithium ion battery of claim 5, wherein: the height of the second fixing plate (41) is the same as that of the first fixing plate (21), and the inner side wall of the second fixing plate (41) is fixedly connected to the outer side wall of the first fixing plate (21).