CN217823190U

CN217823190U - Battery device

Info

Publication number: CN217823190U
Application number: CN202221943992.8U
Authority: CN
Inventors: 关俊山; 张勇杰; 谷亮杰
Original assignee: China Lithium Battery Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-15
Anticipated expiration: 2032-07-26

Abstract

The utility model relates to the technical field of batteries, in particular to a battery device, which comprises a battery and an insulating bracket, wherein the insulating bracket is arranged on the surface of the battery, and is provided with a hollow structure which exposes part of the surface of the battery; wherein, the side surface of insulating support edge orientation and/or battery dorsad is provided with first logical groove, and the one end in first logical groove communicates in hollow out construction, and the other end communicates outside insulating support. Through the structure design, the utility model discloses can utilize hollow out construction to hold the structure and glue for the battery can glue via these structures and cohere with the box of battery device is sticky, optimizes the fixed effect of battery. Under the squeezing action of battery income case in-process, the gas among the hollow out construction can be discharged through first logical groove, and the structure of being convenient for is glued and is flowed, avoids having gas among the hollow out construction and occupies the arrangement space that the structure was glued, guarantees that hollow out construction's whole region is filled up the structure and is glued to guarantee the fixed effect of battery.

Description

Battery device

Technical Field

The utility model relates to a battery technology field especially relates to a battery device.

Background

The battery of the existing battery device is provided with an insulating support, the insulating support is arranged on the surface of the battery, and the whole surface area of the surface of the battery is covered, so that the surface of the battery is not adhered or only has a minimum part which can be adhered to the box body of the battery device, the fixing effect of the battery is poor, and the structural stability and the reliability of the battery device are influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to overcome at least one of the above-mentioned drawbacks of the prior art and to provide a battery device with a better fixing effect.

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

according to one aspect of the present invention, a battery device is provided, wherein the battery device comprises a battery and an insulating support, the insulating support is disposed on a surface of the battery, the insulating support is provided with a hollow structure, and the hollow structure exposes a part of a surface of the battery; the battery comprises a battery, and is characterized in that a first through groove is formed in the surface, facing the battery, of one side of the edge of the insulating support, and the first through groove is communicated with the hollow structure.

According to the above technical scheme, the utility model provides a battery device's advantage lies in with positive effect:

the utility model provides a battery device includes battery and insulating support, and insulating support is provided with hollow out construction, can expose the partial surface of battery, and insulating support edge orientation and/or a side surface of battery dorsad are provided with the first logical groove that communicates with hollow out construction. Through the structure design, the utility model discloses can utilize hollow out construction to hold the structure and glue for the battery can glue via these structures and cohere with the box of battery device is sticky, optimizes the fixed effect of battery. On this basis, the utility model discloses under the squeezing action of battery income case in-process, gas among the hollow out construction can be discharged through first logical groove, and the structure of being convenient for is glued and is flowed, avoids having gas among the hollow out construction and occupies the arrangement space that the structure was glued, guarantees that hollow out construction's whole region is filled up the structure and is glued to guarantee the fixed effect of battery. Additionally, the utility model discloses can utilize hollow out construction to alleviate insulating support's weight, be favorable to battery device's lightweight design.

Drawings

The various objects, features and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments of the invention, when considered in conjunction with the accompanying drawings. The drawings are merely exemplary of the invention and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

fig. 1 is a schematic perspective view showing a partial structure of a battery device according to an exemplary embodiment;

FIG. 2 is an exploded perspective view of a portion of the structure of FIG. 1 from one perspective;

FIG. 3 is an exploded perspective view of a portion of the structure of FIG. 1 from another perspective;

fig. 4 is an enlarged schematic view of a portion a in fig. 2;

fig. 5 is an enlarged schematic view of a portion B in fig. 2;

fig. 6 is an enlarged schematic view of portion C of fig. 3;

fig. 7 is a perspective view illustrating an insulating support of the battery device shown in fig. 1.

The reference numerals are explained below:

100. a battery;

101. a top surface;

102. a bottom surface;

103. a first side;

200. an insulating support;

201. a first part;

202. a second section;

2021. a first sub-section;

2022. a second sub-portion;

210. a hollow structure;

220. a first through groove;

230. a glue containing groove;

240. a second through groove;

300. a limiting strip;

x. a first direction;

y. second direction.

Detailed Description

Exemplary embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the following description of various exemplary embodiments of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

Referring to fig. 1, a schematic perspective view of a partial structure of a battery device is representatively shown, in which a perspective structure of a battery pack of the battery device is specifically shown. In this exemplary embodiment, the battery device provided by the present invention is described taking an in-vehicle battery as an example. Those skilled in the art will readily appreciate that various modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below in order to apply the inventive concepts described herein to other types of battery devices or other processes, and such changes are within the scope of the principles of the present invention.

As shown in fig. 1, in an embodiment of the present invention, the battery device includes a battery 100 and an insulating support 200. Referring to fig. 2-7 in combination, fig. 2 representatively illustrates an exploded perspective view of a portion of the structure of fig. 1 from one perspective; representatively illustrated in fig. 3 is a perspective exploded view of a portion of the structure of fig. 1 from another perspective; representatively, fig. 4 shows an enlarged schematic view of a portion a in fig. 2; an enlarged schematic view of a portion B in fig. 2 is representatively illustrated in fig. 5; an enlarged schematic view of portion C of fig. 3 is representatively illustrated in fig. 6; fig. 7 is a perspective view typically illustrating the insulating support 200 of the battery device shown in fig. 1. The structure, connection mode and functional relationship of the main components of the battery device provided by the present invention will be described in detail below with reference to the drawings.

As shown in fig. 2 to 6, in an embodiment of the present invention, the insulating support 200 is disposed on the surface of the battery 100, and the insulating support 200 is provided with a hollow structure 210, wherein the hollow structure 210 exposes a portion of the surface of the battery 100. On this basis, a first through groove 220 is disposed on a side surface of the edge of the insulating support 200 facing the battery 100, one end of the first through groove 220 is communicated with the hollow structure 210, and the other end of the first through groove 220 is communicated with the outside of the insulating support 200. Through the structure design, the utility model discloses can utilize hollow out construction 210 to hold the structure and glue for battery 100 can glue via these structures and cohere with battery device's box is sticky, optimizes battery 100's fixed effect. On this basis, the utility model discloses under the squeezing action of battery 100 income case in-process, gas among the hollow out construction 210 can be discharged via first logical groove 220, the structure of being convenient for is glued and is flowed, avoid having gas and occupy the arrangement space that the structure was glued among the hollow out construction 210, guarantee that the whole region of hollow out construction 210 fills up the structure and glue, thereby guarantee battery 100's fixed effect, for example, guarantee that battery 100 and box are sticky more fully cohere, can also improve heat conduction area and heat conduction efficiency between battery 100 and the liquid cooling board isotructure. Additionally, the utility model discloses can utilize hollow out construction 210 to alleviate insulating support 200's weight, be favorable to battery device's lightweight design.

In the embodiment shown in fig. 1 to 6, the first through groove 220 is provided on the surface of the insulating support 200 facing the battery 100. In some embodiments, the first through grooves 220 may also be formed on a side surface of the edge of the insulating support 200 opposite to the battery 100, or at least two first through grooves 220 are respectively formed on the two side surfaces of the edge of the insulating support 200, which is not limited to this embodiment.

As shown in fig. 2 and 3, in an embodiment of the present invention, the surface of the battery 100 may include a top surface 101, a top surface 102, two first side surfaces 103, and two second side surfaces (hidden by the insulating support 200 and not exposed in the drawings). Specifically, the two first side surfaces 103 are spaced apart along a first direction X and perpendicular to the first direction X, and the two second side surfaces are spaced apart along a second direction Y and perpendicular to the second direction Y, where the first direction X is perpendicular to the second direction Y. On this basis, the area of the first side surface 103 is larger than that of the second side surface.

As shown in fig. 2 to 4 and 6, based on the structural design that the area of the first side surface 103 of the battery 100 is larger than the area of the second side surface, in an embodiment of the present invention, the insulating support 200 may include an end support disposed at an end of the battery 100 along the second direction Y, and specifically, reference may be made to the second portion 202 of the insulating support 200 described below in this embodiment. On this basis, the surface of the end bracket facing away from the battery 100 may be provided with a glue receiving groove 230. Through the structure design, the utility model discloses can utilize to hold gluey groove 230 and hold the structure and glue, guarantee simultaneously that the tip support can not expose battery 100's surface, compromise fixed effect and insulating effect. In addition, compared with the hollow structure 210, the glue containing groove 230 can further reduce the amount of structural glue at the end part bracket, which is beneficial to reducing the cost.

As shown in fig. 4 and fig. 6, the end bracket of the insulating bracket 200 is provided with a glue receiving groove 230, in an embodiment of the present invention, a second through groove 240 may be provided on a side surface of the end bracket facing away from the battery 100, one end of the second through groove 240 is communicated with the glue receiving groove 230, and the other end of the second through groove 240 is communicated with the outside of the insulating bracket 200. Through the structure design, the utility model discloses can be under the squeezing action of battery 100 income case in-process, the gas that holds in the gluey groove 230 can be discharged through second through-groove 240, and the structure of being convenient for is glued and is flowed, avoids holding to have gas and occupy the arrangement space that the structure was glued in gluey groove 230, guarantees to hold all areas that glue groove 230 and fills up the structure and glue to further guarantee battery 100's fixed effect.

As shown in fig. 2, 3 and 7, based on the above structural design of the battery 100, in an embodiment of the present invention, the insulating support 200 may include two first portions 201 and two second portions 202. Specifically, the two first portions 201 are disposed on the top surface 101 and the top surface 102 of the battery 100, respectively, and the two second portions 202 are disposed on the two second side surfaces of the battery 100, respectively. Through the structure design, the utility model discloses adopt the structure of a plurality of parts with insulating support 200, utilize insulating support 200's different parts and the contact of a plurality of positions on battery 100 surface, be favorable to reducing insulating support 200 and battery 100's the assembly degree of difficulty, promote assembly efficiency.

As shown in fig. 4, 6 and 7, based on the structural design that the insulating bracket 200 includes two first portions 201 and two second portions 202, in an embodiment of the present invention, the second portions 202 may include a first sub-portion 2021 and two second sub-portions 2022 which are integrally formed. Specifically, the first sub-portion 2021 is disposed on the second side surface of the battery 100, the two second sub-portions 2022 are disposed on the top surface 101 and the top surface 102 of the battery 100, respectively, and the two second sub-portions 2022 are respectively connected to the two first portions 201 in a snap-fit manner. In other words, one second sub-portion 2022 and one first portion 201 of each of the two second portions 202 are disposed on the top surface 101 of the battery 100, and the other second sub-portion 2022 and the other first portion 201 of each of the two second portions 202 are disposed on the top surface 102 of the battery 100. For example, the second portion 202 may be generally "v 21274". Accordingly, the second portion 202 is the end bracket, and the glue receiving groove 230 may be disposed on a side surface of the second sub-portion 2022 opposite to the battery 100. Through the structure design, the utility model discloses can set up the hookup location of first portion 201 and second portion 202 in the region that corresponds battery 100 top surface 101 and top surface 102, avoid the hookup location of first portion 201 and second portion 202 to be located the corner portion of battery 100 and lead to the assembly difficulty.

As shown in fig. 1 to 3 and 5, in an embodiment of the present invention, the battery device includes a plurality of batteries 100, the batteries 100 are arranged along the first direction X, and a spacing bar 300 is disposed between two adjacent batteries 100, that is, the spacing bar 300 is disposed between two opposite first surfaces of two batteries 100. On this basis, the orthographic projection of the limiting strip 300 on the first side surface 103 may be located between the orthographic projection of the first through groove 220 and the central position of the first side surface 103, and the limiting strip 300 is used for limiting the structural adhesive overflowing through the first through groove 220 from moving to the middle area of the first side surface 103. Since the case of the battery 100 is thin and is easily deformed, particularly, the first side 103 with a large area and the center of the first side 103 have large swelling deformation, the first side 103 of the battery 100 is unevenly stressed and has poor circulation due to the hard structural adhesive after curing. Therefore, the utility model discloses an above-mentioned structural design can utilize spacing 300 to provide limit function on the first logical groove 220 towards the regional route in middle part of first surface, prevents that the structure from gluing to the regional removal in middle part of first surface.

Based on two adjacent relative first surfaces of two batteries 100 are provided with the structural design that the structure glued the utility model discloses an in the embodiment, spacing 300 can be the double faced adhesive tape. Through the structure design, the utility model discloses can improve the bonding strength of spacing 300 between two first surfaces of two adjacent batteries 100 when utilizing spacing 300 to provide limit function.

In an embodiment of the present invention, the thickness of the casing of the battery 100 may be 0.2mm to 0.5mm, such as 0.2mm, 0.3mm, 0.4mm, 0.5mm, etc. Because the battery 100 shell is thinner and is easier to deform, the bulging deformation amplitude of the first side surface 103 is larger, and therefore the first side surface 103 of the battery 100 is more unevenly stressed and the cycle is worse due to the structural adhesive which becomes harder after curing. Therefore, the utility model discloses a spacing 300's structural design can provide limit function, prevents that the structure from gluing to the regional removal in middle part of first surface, satisfies the slimming design demand of battery 100 casing.

Based on the structural design that two opposite first surfaces of two adjacent batteries 100 are provided with structural adhesive, in an embodiment of the present invention, the ratio of the height of the position-limiting strip 300 to the height of the battery 100 in a direction perpendicular to a bottom plate (not shown in the drawings) of the battery device may be less than or equal to 1/8, for example, 1/10, 1/9, 1/8, and the like. Through the structure design, the utility model discloses can avoid spacing 300 highly too big and occupy too much area of first side 103 when guaranteeing that spacing 300 provides limit function.

It is noted herein that the battery devices illustrated in the drawings and described in this specification are merely a few examples of the wide variety of battery devices that can employ the principles of the present invention. It should be clearly understood that the principles of the present invention are by no means limited to any details of the battery device or any components of the battery device as shown in the drawings or described in the specification.

To sum up, the utility model provides a battery device includes battery 100 and insulating support 200, and insulating support 200 is provided with hollow out construction 210, can expose battery 100's partial surface, and insulating support 200 edge is provided with the first logical groove 220 that communicates with hollow out construction 210 towards a side surface of battery 100. Through the structure design, the utility model discloses can utilize hollow out construction 210 to hold the structure and glue for battery 100 can glue and cohere with battery device's box is sticky via these structures, optimizes battery 100's fixed effect. On this basis, the utility model discloses under the squeezing action of battery 100 income case in-process, gas among the hollow out construction 210 can be discharged via first logical groove 220, and the structure of being convenient for is glued and is flowed, avoids having gas among the hollow out construction 210 and occupies the arrangement space that the structure was glued, guarantees that the whole regions of hollow out construction 210 fills up the structure and glues to guarantee battery 100's fixed effect. Additionally, the utility model discloses can utilize hollow out construction 210 to alleviate insulating support 200's weight, be favorable to battery device's lightweight design.

Exemplary embodiments of a battery device according to the present invention are described and/or illustrated in detail above. Embodiments of the invention are not limited to the specific embodiments described herein, but rather, components and/or steps of each embodiment may be utilized independently and separately from other components and/or steps described herein. Each component and/or step of one embodiment can also be used in combination with other components and/or steps of other embodiments. When introducing elements/components/etc. described and/or illustrated herein, the articles "a," "an," and "the" are intended to mean that there are one or more of the elements/components/etc. The terms "comprising," "including," and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc. Furthermore, the terms "first" and "second" and the like in the claims and the description are used merely as labels, and are not numerical limitations of their objects.

While the proposed battery device has been described in terms of various specific embodiments, those skilled in the art will recognize that the invention can be practiced with modification within the spirit and scope of the claims.

Claims

1. A battery device is characterized by comprising a battery and an insulating support, wherein the insulating support is arranged on the surface of the battery, the insulating support is provided with a hollow structure, and part of the surface of the battery is exposed out of the hollow structure; the battery comprises a battery, and is characterized in that a first through groove is formed in one side surface of the edge of the insulating support facing and/or back to the battery, one end of the first through groove is communicated with the hollow structure, and the other end of the first through groove is communicated with the outside of the insulating support.

2. The battery device according to claim 1, wherein the battery device comprises a plurality of batteries, the plurality of batteries are arranged along a first direction, a limiting strip is arranged between every two adjacent batteries, and each battery has a first side surface perpendicular to the first direction; the limit strip is positioned between the orthographic projection of the first through groove and the central position of the first side surface, and is used for limiting the structural adhesive overflowing from the first through groove to move to the middle area of the first side surface.

3. The battery device of claim 2, wherein the stop strip is a double-sided tape.

4. The battery device according to claim 2, wherein the case of the battery has a thickness of 0.2mm to 0.5mm.

5. The battery device of claim 2, wherein the ratio of the height of the limiting bar to the height of the battery is less than or equal to 1/8 along the direction perpendicular to the bottom plate of the battery device.

6. The battery device of claim 1, wherein the surface of the battery comprises a top surface, a bottom surface, two first side surfaces spaced apart along a first direction and perpendicular to the first direction, and two second side surfaces spaced apart along a second direction and perpendicular to the second direction, the first direction being perpendicular to the second direction; wherein the area of the first side surface is larger than the area of the second side surface.

7. The battery device according to claim 6, wherein the insulating support includes an end support provided to an end of the battery in the second direction; and a glue accommodating groove is formed in the surface of one side, back to the battery, of the end part support.

8. The battery device according to claim 7, wherein a second through groove is formed in a surface of the edge of the end bracket, which faces away from the battery, and the second through groove is communicated with the glue accommodating groove.

9. The battery device according to claim 7, wherein the insulating support includes two first portions provided on the top and bottom surfaces of the battery, respectively, and two second portions provided on the two second side surfaces of the battery, respectively.

10. The battery device as claimed in claim 9, wherein the second portion includes a first sub portion and two second sub portions, the first sub portion is disposed on the second side surface of the battery, and the two second sub portions are disposed on the top surface and the bottom surface of the battery respectively and are connected to the two first portions in a snap-fit manner; the second portion is the end portion support, and the glue accommodating groove is formed in the surface, back to the battery, of one side of the second sub portion.