CN217983527U - Battery device - Google Patents
Battery device Download PDFInfo
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- CN217983527U CN217983527U CN202221995924.6U CN202221995924U CN217983527U CN 217983527 U CN217983527 U CN 217983527U CN 202221995924 U CN202221995924 U CN 202221995924U CN 217983527 U CN217983527 U CN 217983527U
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Abstract
The utility model belongs to the technical field of the battery technique and specifically relates to a battery device is designed, battery device includes box and group battery, the group battery holds in the box, the group battery includes a plurality of batteries of arranging along the first direction, the tip of group battery is provided with the end insulation board, the box is provided with the fixed knot who corresponds with the position of end insulation board constructs, wherein, the end insulation board includes first portion and the second portion of a body structure, one of them of first portion and second portion is towards the battery, wherein another orientation fixed knot constructs, the hardness of first portion is less than the hardness of second portion. Through the structure design, the utility model discloses can utilize the great one of hardness in first portion and the second portion to guarantee the fixed strength between fixed knot constructs and the battery, can utilize the less one of hardness in first portion and the second portion to provide buffer function between fixed knot constructs and battery simultaneously, promote battery device's stability and reliability in view of the above, simultaneously the utility model has the advantages of simple structure, cost are lower.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery device.
Background
In the conventional battery device, the battery pack is accommodated in the case, and the end insulating plate at the end of the battery pack is in contact with the fixing structure of the case, and the case applies a pre-load to the battery pack through the end insulating plate by the fixing structure, thereby maintaining the stacked position of the battery pack. However, since the end insulating plate of the conventional battery device is made of a hard insulating plate, a buffer between the fixing structure and the battery pack is not provided, which affects reliability and stability of the battery device.
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 capable of realizing a buffer function between a fixing structure and a battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to an aspect of the present invention, there is provided a battery device, including a case and a battery pack, the battery pack being accommodated in the case, the battery pack including a plurality of batteries arranged in a first direction, an end insulating plate being provided at an end of the battery pack, the case being provided with a fixing structure corresponding to a position of the end insulating plate, wherein the end insulating plate includes a first portion and a second portion of an integral structure, one of the first portion and the second portion is oriented toward the batteries, and the other is oriented toward the fixing structure, and a hardness of the first portion is smaller than a hardness of the second portion.
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 is including the end insulation board that is located between fixed knot structure and the battery, and the end insulation board includes first portion and the second portion of a body structure, and one of them orientation battery of first portion and second portion, wherein another orientation fixed knot constructs, and the hardness of first portion is less than the hardness of second portion. Through the structure design, the utility model discloses can utilize the great one of hardness in first portion and the second portion to guarantee the fixed strength between fixed knot constructs and the battery, can utilize the less one of hardness in first portion and the second portion to provide buffer function between fixed knot constructs and battery simultaneously, promote battery device's stability and reliability in view of the above, simultaneously the utility model has the advantages of simple structure, the cost is lower.
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 perspective view showing a partial structure of a battery device according to an exemplary embodiment;
fig. 2 is a partial sectional view of a part of the structure of the battery device shown in fig. 1;
fig. 3 is a partial cross-sectional view of an end insulating plate of a battery device according to another exemplary embodiment;
FIG. 4 is a schematic plan view of the end insulator plate shown in FIG. 3;
fig. 5 is a schematic plan view showing a partial structure of a battery device according to another exemplary embodiment.
The reference numerals are illustrated below:
110. a fixed structure;
200. a battery pack;
210. a battery;
220. an end insulating plate;
221. a first part;
222. a second section;
a-d, centerline;
o1 to O4. Center point;
s1, a first surface;
L1-L8;
x, a first direction;
y. second direction.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below. It is to be understood that the invention is capable of other and different embodiments, and its several details are capable of modification in various other respects, all 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 according to the present invention is representatively shown, in which a perspective structure of a battery pack 200 and a part of a fixing structure 110 is specifically shown. In this exemplary embodiment, the battery device provided by the present invention is described by way of example as applied to an in-vehicle battery. It will be readily appreciated by those skilled in the art that various modifications, additions, substitutions, deletions, or other changes may be made to the embodiments described below in order to adapt the inventive arrangements to other types of battery devices or other processes, and still fall 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 box and a battery pack 200. Referring to fig. 2, a partial cross-sectional view of a battery device that can embody principles of the present invention is representatively illustrated in fig. 2, in which a cross-sectional structure of one battery cell 210, an end insulating plate 220, and a fixing structure 110 is specifically illustrated. 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 above drawings.
As shown in fig. 1 and 2, in an embodiment of the present invention, the battery pack 200 is accommodated in the case, and the battery pack 200 includes a plurality of batteries 210 arranged in the first direction X. The end of the battery pack 200 is provided with an end insulation plate 220, and the case is provided with a fixing structure 110 corresponding to the position of the end insulation plate 220, the fixing structure 110 may be, for example, but not limited to, a beam. On this basis, the end insulating plate 220 includes a first portion 221 and a second portion 222 of an integrated structure, the first portion 221 facing the fixing structure 110, the second portion 222 facing the battery 210, wherein the first portion 221 has a hardness less than that of the second portion 222. Through the structure design, the utility model discloses can utilize the great one of hardness to guarantee the fixed strength between fixed knot constructs 110 and the battery 210 in first portion 221 and the second portion 222, can utilize the less one of hardness to provide buffer function between fixed knot constructs 110 and battery 210 in first portion 221 and the second portion 222 simultaneously, promote battery device's stability and reliability in view of the above, simultaneously the utility model has the advantages of simple structure, the cost is lower.
It should be noted that, in some embodiments, the first portion 221 of the end insulating plate 220 may also face the battery 210, and the second portion 222 may also face the fixing structure 110, and at this time, the hardness of the first portion 221 may still be less than that of the second portion 222. In other words, in various possible embodiments consistent with the design concept of the present invention, the first portion 221 has a hardness less than that of the second portion 222, and one of the first portion 221 and the second portion 222 faces the fixing structure 110, and the other faces the battery 210.
As shown in fig. 2, in an embodiment of the present invention, the first portion 221 of the end insulating plate 220 may abut against the fixing structure 110, and the second portion 222 may be connected to the battery 210. Through the structure design, because the hardness of first portion 221 is less than the hardness of second portion 222, the utility model discloses can improve the contact frictional force between end insulation board 220 and the fixed knot structure 110, improve fixed strength.
Referring to fig. 3 and 4, a partial cross-sectional view of a portion of a battery device in another exemplary embodiment that can embody principles of the present disclosure is representatively illustrated in fig. 3; a schematic plan view of the end insulation plate 220 shown in fig. 3 is representatively illustrated in fig. 4.
As shown in fig. 3 and 4, in an embodiment of the present invention, a length L1 of the first portion 221 of the end insulating plate 220 may be less than a length L2 of the second portion 222 in a height direction. Through the structure design, the utility model discloses can promote the contact pressure of end insulation board 220 and fixed knot structure 110 to provide the space that the bonding structure glued, further promote the fixed knot intensity of fixed knot structure 110 and end insulation board 220. In some embodiments, the length L1 of the first portion 221 may be equal to the length L2 of the second portion 222 along the height direction, which is not limited in this embodiment.
As shown in fig. 4, based on the structural design that the length L1 of the first portion 221 of the end insulating plate 220 in the height direction is smaller than the length L2 of the second portion 222, in an embodiment of the present invention, the central point O1 of the center line a of the first portion 221 extending in the height direction may coincide with the central point O2 of the center line b of the second portion 222 extending in the height direction. Through the structure design, the utility model discloses can make the distribution of the mutual force of first portion 221 and second portion 222 each position on the direction of height more even, further promote stability and reliability.
As shown in fig. 3 and 4, in an embodiment of the present invention, a length L3 of the first portion 221 of the end insulating plate 220 may be less than a length L4 of the second portion 222 in a second direction Y perpendicular to the first direction X. Through the structure design, the utility model discloses can promote the contact pressure of end insulation board 220 and fixed knot structure 110 to provide the space that the bonding structure glued, further promote fixed knot structure 110 and end insulation board 220's fixed strength. In some embodiments, along the second direction Y, the length L3 of the first portion 221 may also be equal to the length L4 of the second portion 222, which is not limited to this embodiment.
As shown in fig. 4, based on the structural design that the length L3 of the first portion 221 of the end insulating plate 220 along the second direction Y is smaller than the length L4 of the second portion 222, in an embodiment of the present invention, the center point O3 of the center line c of the first portion 221 extending along the second direction Y may coincide with the center point O4 of the center line d of the second portion 222 extending along the second direction Y. Through the structure design, the utility model discloses can make the distribution of the mutual force of each position of first portion 221 and second portion 222 on second direction Y more even, further promote stability and reliability.
Referring to fig. 5, a schematic plan view of a portion of a battery device in another exemplary embodiment that can embody principles of the present invention is representatively illustrated in fig. 5, wherein the plan view of the combined structure of the first portion 221 of the end insulating plate 220 and the battery 210 is specifically illustrated.
As shown in fig. 5, in an embodiment of the present invention, the first portion 221 of the end insulating plate 220 may face the battery 210, that is, the first portion 221 of the end insulating plate 220 may be connected to the battery 210, and the second portion 222 may abut against the fixing structure 110. Through the structure design, the utility model discloses can utilize the relative less first portion 221 of second portion 222 of hardness, for battery 210's inflation provides the deformation space, prevent that battery 210 deformation too big position from producing and analyzing the lithium phenomenon, avoid battery 210 performance inefficacy.
As shown in fig. 5, based on the structural design of the first portion 221 of the end insulating plate 220 toward the battery 210, in an embodiment of the present invention, the battery 210 has a first surface S1 perpendicular to the first direction X, and the orthographic projection of the first portion 221 of the end insulating plate 220 on the first surface S1 of the battery 210 may be entirely located in the first surface S1, on the basis of which the orthographic projection area of the first portion 221 on the first surface S1 is smaller than or equal to the area of the first surface S1. Through the structure design, the utility model discloses the buffering effect that first portion 221 that can further promote end insulation board 220 provided for battery 210.
As shown in fig. 5, based on the structural design that the orthographic area of the first portion 221 on the first surface S1 is smaller than or equal to the area of the first surface S1, in an embodiment of the present invention, the ratio of the length L5 of the first portion 221 of the end insulating plate 220 to the length L6 of the first surface S1 in the height direction may be 1/3 to 1, for example, 1/3, 1/2, 2/3, 1, etc. Through the structure design, because the deformation range that puts at the central point when battery 210 expands is the biggest, the utility model discloses can make the first portion 221 of end insulation board 220 cover the central point that puts at first surface S1, further promote the buffering effect to battery 210 inflation. In some embodiments, the ratio of the length L5 of the first portion 221 of the end insulating plate 220 to the length L6 of the first surface S1 in the height direction may also be less than 1/3, for example, 1/4, and the like, and is not limited to this embodiment.
As shown in fig. 5, based on the structural design that the orthographic area of the first portion 221 on the first surface S1 is smaller than or equal to the area of the first surface S1, in an embodiment of the present invention, along the second direction Y, the ratio of the length L7 of the first portion 221 of the end insulating plate 220 to the length L8 of the first surface S1 may be 1/3 to 1, for example, 1/3, 1/2, 2/3, 1, and the like. Through the structure design, because the deformation range that puts at the central point when battery 210 expands is the biggest, the utility model discloses can make the first portion 221 of end insulation board 220 cover the central point that puts at first surface S1, further promote the buffering effect to battery 210 inflation. In some embodiments, the ratio of the length L7 of the first portion 221 of the end insulating plate 220 to the length L8 of the first surface S1 along the second direction Y may also be less than 1/3, for example, 1/4, and the like, and is not limited to this embodiment.
In an embodiment of the present invention, the material of the first portion 221 of the end insulating plate 220 may be plastic, and the material of the second portion 222 may be TPU or TPE, and the end insulating plate 220 is formed by integral injection molding.
It should be noted herein that the battery devices illustrated in the drawings and described in the present specification are only a few examples of the many types 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 of the details of the battery device or any of the components of the battery device shown in the drawings or described in the specification.
To sum up, the present invention provides a battery device including an end insulating plate 220 located between the fixing structure 110 and the battery 210, the end insulating plate 220 includes a first portion 221 and a second portion 222 of an integral structure, one of the first portion 221 and the second portion 222 faces the battery 210, the other faces the fixing structure 110, and the hardness of the first portion 221 is less than that of the second portion 222. Through the structure design, the utility model discloses can utilize the great one of hardness to guarantee the fixed strength between fixed knot constructs 110 and the battery 210 in first portion 221 and the second portion 222, can utilize the less one of hardness to provide buffer function between fixed knot constructs 110 and battery 210 in first portion 221 and the second portion 222 simultaneously, promote battery device's stability and reliability in view of the above, simultaneously the utility model has the advantages of simple structure, the cost is lower.
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 (10)
1. A battery device comprises a box body and a battery pack, wherein the battery pack is accommodated in the box body, the battery pack comprises a plurality of batteries which are arranged along a first direction, an end insulating plate is arranged at the end part of the battery pack, and a fixing structure corresponding to the position of the end insulating plate is arranged on the box body.
2. The battery device of claim 1, wherein the first portion abuts against the securing structure and the second portion is coupled to the battery.
3. The battery device of claim 2, wherein a length of the first portion is less than a length of the second portion in a height direction.
4. The battery device according to claim 3, wherein a center point of a center line extending in the height direction of the first portion coincides with a center point of a center line extending in the height direction of the second portion.
5. The battery device according to claim 2, wherein a length of the first portion is smaller than a length of the second portion in a second direction perpendicular to the first direction.
6. The battery device according to claim 5, wherein a center point of a center line of the first portion extending in the second direction coincides with a center point of a center line of the second portion extending in the second direction.
7. The battery device of claim 1, wherein the first portion is coupled to the battery and the second portion abuts the securing structure.
8. The battery device according to claim 7, wherein the battery has a first surface perpendicular to the first direction, an orthographic projection of the first portion on the first surface is entirely located in the first surface, and an area of the orthographic projection of the first portion on the first surface is smaller than or equal to an area of the first surface.
9. The battery device according to claim 8, wherein:
along the height direction, the proportion of the length of the first part in the length of the first surface is 1/3-1; and/or
The ratio of the length of the first portion to the length of the first surface in a second direction perpendicular to the first direction is 1/3 to 1.
10. The battery device of claim 1, wherein the first portion is made of plastic, the second portion is made of TPU or TPE, and the end insulating plate is integrally formed by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995924.6U CN217983527U (en) | 2022-07-29 | 2022-07-29 | Battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221995924.6U CN217983527U (en) | 2022-07-29 | 2022-07-29 | Battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217983527U true CN217983527U (en) | 2022-12-06 |
Family
ID=84255151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221995924.6U Active CN217983527U (en) | 2022-07-29 | 2022-07-29 | Battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217983527U (en) |
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2022
- 2022-07-29 CN CN202221995924.6U patent/CN217983527U/en active Active
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