CN217934075U - Battery pack and battery device - Google Patents
Battery pack and battery device Download PDFInfo
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- CN217934075U CN217934075U CN202221963887.0U CN202221963887U CN217934075U CN 217934075 U CN217934075 U CN 217934075U CN 202221963887 U CN202221963887 U CN 202221963887U CN 217934075 U CN217934075 U CN 217934075U
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- box
- connecting portion
- backplate
- battery pack
- protruding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery technology field especially relates to a battery package and battery device, the battery package includes box and end backplate, end backplate sets up in the bottom of box, wherein, end backplate has main part and first connecting portion, first connecting portion are located the edge of main part and are used for being connected with the box, the main part has the protruding first arch of stretching of box dorsad, first connecting portion have the protruding second arch of stretching of box dorsad, the one end of first arch dorsad box is located same horizontal plane with the protruding one end of box dorsad of second. Through the structure design, the utility model discloses can make the main part of backplate and the protruding homoenergetic of first connecting portion at the bottom bear on shifting the frock at the transfer in-process for the atress of backplate at the bottom is more even, realizes supporting the multiple spot of battery package, avoids the backplate at the bottom to produce the problem of deformation because of the atress is uneven. And, the utility model discloses can utilize the protruding structural strength who strengthens end backplate of first arch and second.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery package and battery device.
Background
The battery pack comprises a box body and a bottom protection plate, wherein the bottom protection plate is arranged at the bottom of the box body and is used as the lowest component of the battery pack. In the production process of the battery pack, the battery pack needs to be transferred through the transfer tool, or along with the gradual rise of the battery replacing technology of the current electric automobile, the battery pack also needs to be detached and transferred in the battery replacing process of the vehicle, and in the transfer process of the battery pack, the transfer tool is borne below the bottom protection plate. However, the middle area of the bottom guard plate of the existing battery pack is provided with a protrusion protruding downwards, the transferring tool is a protrusion part borne by the bottom guard plate, the edge area of the bottom guard plate is not supported when the battery pack is borne by the transferring tool, the bottom guard plate is easy to deform, and even after the battery pack is transferred for many times, the bottom guard plate is greatly deformed, so that the sealing structure of the bottom guard plate fails and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides the even battery package that is difficult for producing deformation of end backplate atress when the battery package shifts.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to the utility model discloses an aspect provides a battery pack, including box and end backplate, end backplate set up in the bottom of box, wherein, end backplate has main part and first connecting portion, first connecting portion are located the edge of main part and be used for with the box is connected, the main part has dorsad the protruding first arch of stretching of box, first connecting portion have dorsad the protruding second arch of stretching of box, first arch dorsad the one end of box with the protruding dorsad of second the one end of box is located same horizontal plane.
According to the above technical scheme, the utility model provides an advantage and positive effect of battery package lie in:
the utility model provides a battery package includes box and end backplate, and end backplate has main part and first connecting portion, and the main part has first arch, and first connecting portion have the second arch, and first arch and the protruding end of second are located same horizontal plane. Through the structure design, the utility model discloses can make the main part of end backplate and the protruding homoenergetic of first connecting portion bear on shifting the frock at the transfer in-process for the atress of end backplate is more even, realizes the multiple spot support to the battery package, avoids end backplate because of the uneven problem that produces deformation of atress. And, the utility model discloses can utilize the protruding structural strength who strengthens end backplate of first arch and second.
Another 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 pack using the above-mentioned battery pack.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
according to another aspect of the present invention, a battery device is provided, wherein the battery device comprises the present invention.
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, through adopting the utility model provides a battery package can make the atress of end backplate more even, realizes the multiple spot support to the battery package, avoids end backplate to produce the problem of deformation because of the atress is uneven. And, the utility model discloses can utilize the protruding structural strength who strengthens end backplate of first arch and second.
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 of a bottom cover sheet of a battery pack shown from a perspective view according to an exemplary embodiment;
FIG. 2 is a perspective view of the bottom shield shown in FIG. 1 from another perspective;
FIG. 3 is a side view of the bottom shield shown in FIG. 1;
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. 3.
The reference numerals are explained below:
100. a bottom guard plate;
110. a main body portion;
111. a first protrusion;
1111. a first chamfer structure;
112. a first recess;
113. a sealing part;
120. a first connection portion;
121. a second protrusion;
1211. a second chamfer structure;
122. a second recess;
123. mounting holes;
130. a second connecting portion;
131. a third protrusion;
132. a third recess;
s0, horizontal plane;
s1, a first surface;
s2, a second surface.
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 in order to fall within the scope of the invention.
Referring to fig. 1, a perspective view of a bottom protection plate 100 of a battery pack according to the present invention is representatively illustrated. In this exemplary embodiment, the present invention provides a battery pack that 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 specific embodiments described below in order to apply the inventive concepts described herein to other types of battery packs, 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 pack provided by the present invention includes a box body (not shown in the drawings) and a bottom protection plate 100, wherein the bottom protection plate 100 is disposed at the bottom of the box body. Referring to fig. 2 to 5, fig. 2 representatively illustrates a perspective view of the bottom protective plate 100 from another view angle; a side view of the skirt 100 is representatively illustrated in fig. 3; an enlarged schematic view of portion a of fig. 2 is representatively illustrated in fig. 4; an enlarged schematic view of a portion B in fig. 3 is representatively illustrated in fig. 5. The structure, connection mode and functional relationship of the main components of the battery pack according to the present invention will be described in detail with reference to the drawings.
As shown in fig. 1 to 4, in an embodiment of the present invention, the bottom protective plate 100 has a main body portion 110 and a first connecting portion 120, the first connecting portion 120 is located at an edge of the main body portion 110, and the first connecting portion 120 is used for connecting the bottom protective plate 100 with the box body through the first connecting portion 120. On the basis, the main body 110 has a first protrusion 111 protruding away from the box, and the first connection portion 120 has a second protrusion 121 protruding away from the box, wherein one end of the first protrusion 111 (e.g. the lower end or the protruding end of the first protrusion 111) facing away from the box and one end of the second protrusion 121 (e.g. the lower end or the protruding end of the second protrusion 121) facing away from the box are located on the same horizontal plane S0, i.e. the lower ends of the first protrusion 111 and the second protrusion 121 are flush, i.e. the heights of the first protrusion 111 and the second protrusion 121 are the same. Through the structure design, the utility model discloses can make the main part 110 of end backplate 100 and the protruding homoenergetic of first connecting portion 120 bear on shifting the frock at the transfer in-process for the atress of end backplate 100 is more even, realizes the multiple spot support to the battery package, avoids end backplate 100 to produce the problem of deformation because of the atress is uneven. Furthermore, the present invention can utilize the first protrusion 111 and the second protrusion 121 to strengthen the structural strength of the bottom protection plate 100.
As shown in fig. 1 and 2, in an embodiment of the present invention, the bottom protective plate 100 has a first surface S1 and a second surface S2, the first surface S1 faces the box body, and the second surface S2 faces away from the box body. On the basis, the main body 110 may be recessed with a first recess 112 on the first surface S1, and the position of the first recess 112 corresponds to the position of the first protrusion 111. Through the structure design, the utility model discloses can further reduce end backplate 100's weight when forming main part 110's first arch 111, be favorable to the lightweight design of battery package.
Based on the structural design that the first surface S1 and the second surface S2 of the bottom protection plate 100 are respectively provided with the first recess 112 and the first protrusion 111 corresponding in position, in an embodiment of the present invention, the first protrusion 111 and the first recess 112 may be formed on the second surface S2 and the first surface S1 by the main body 110 through stamping and integral molding, respectively. Through the design, the utility model discloses can further simplify the technology that forms first sunken 112 and first arch 111 on backplate 100 at the bottom, reduce the processing degree of difficulty to be favorable to promoting backplate 100 at the bottom's structural integrity.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the first connecting portion 120 may be provided with a second recess 122 recessed in the first surface S1, and a position of the second recess 122 corresponds to a position of the second protrusion 121. Through the structure design, the utility model discloses can further reduce end backplate 100's weight when forming the protruding 121 of second of first connecting portion 120, be favorable to the lightweight design of battery package.
Based on the structural design that the first surface S1 and the second surface S2 of the bottom protection plate 100 are respectively provided with the second recess 122 and the second protrusion 121 corresponding in position, in an embodiment of the present invention, the second protrusion 121 and the second recess 122 may be formed on the second surface S2 and the first surface S1 by the first connecting portion 120 through stamping and integral forming, respectively. Through the design, the utility model discloses can further simplify the technology that forms the sunken 122 of second and the protruding 121 of second on end backplate 100, reduce the processing degree of difficulty to be favorable to promoting end backplate 100's structural integrity.
As shown in fig. 4, based on the structural design that the first surface S1 and the second surface S2 of the bottom protective plate 100 are respectively provided with the second recess 122 and the second protrusion 121 corresponding in position, in an embodiment of the present invention, a side surface of the second recess 122 may be an opening structure, wherein an opening of the second recess 122 is located at an edge of the first connecting portion 120 facing away from the main body portion 110. Through the above structural design, since the first connecting portion 120 is located at the edge region of the backplate 100, and the second recess 122 is designed to be a semi-open groove structure, the process of forming the second recess 122 and the second protrusion 121 on the backplate 100 can be simplified, and the processing difficulty is reduced. In some embodiments, the second recess 122 may also be a closed groove structure, i.e., each groove wall surrounds the groove for a whole circle, which is not limited to the present embodiment.
As shown in fig. 1 to 5, in an embodiment of the present invention, the first connecting portion 120 of the bottom protective plate 100 may be provided with a plurality of second protrusions 121, and the second protrusions 121 are arranged at intervals along the extending direction of the edge of the main body portion 110. Through the structure design, the utility model discloses can increase the support position of first connecting portion 120 for backplate 100's atress is more even. Furthermore, the present invention can further enhance the structural strength of the bottom protection plate 100 by using the plurality of second protrusions 121.
As shown in fig. 4, the first connecting portion 120 based on the bottom protection plate 100 is provided with a plurality of second protrusions 121, in an embodiment of the present invention, the first connecting portion 120 may be provided with a mounting hole 123, and the mounting hole 123 is located between two adjacent second protrusions 121. Accordingly, the floor panel 100 can be coupled to the case by a fastener engaged with the mounting hole 123. Through the structure design, the utility model discloses can utilize mounting hole 123 to realize end backplate 100 and the same being connected, set up mounting hole 123 simultaneously between two adjacent second archs 121, can utilize the protruding 121 enhancement mounting hole 123 of second to locate structural strength, alleviate end backplate 100 in the great stress that mounting hole 123 department received, further promote the structural strength of battery package.
For example, as shown in fig. 4, taking the bottom protection plate 100 as a rectangle, the first connecting portion 120 is a frame-shaped structure disposed at four edges around the main body portion 110. For each frame edge, a plurality of second protrusions 121 are provided, and along the extending direction of the frame edge, one mounting hole 123 is provided between any second protrusion 121 and another second protrusion 121 adjacent to one side, and no mounting hole 123 is provided between another second protrusion 121 adjacent to the other side, in other words, two second protrusions 121 are provided between two adjacent mounting holes 123.
As shown in fig. 4, in an embodiment of the present invention, an edge of the first protrusion 111 may have a first chamfer structure 1111, such as, but not limited to, a rounded corner, a chamfer angle, etc. Through the structure design, the utility model discloses can utilize first chamfer structure 1111 to avoid the operator to be avoided by the sharp-pointed edge fish tail of first protruding 111, promote the security in the production and processing process.
As shown in fig. 4, in an embodiment of the present invention, the edge of the second protrusion 121 may have a second chamfer 1211, such as, but not limited to, a rounded corner, a chamfer, etc. Through the structure design, the utility model discloses can utilize second chamfer structure 1211 to avoid the operator to be avoided the sharp-pointed edge fish tail of the protruding 121 of second, promote the security in the production and processing process.
As shown in fig. 1, in an embodiment of the present invention, the main body 110 may have a sealing portion 113, and the sealing portion 113 may be an annular region surrounding the edge of the main body 110. On this basis, the first protrusion 111 of the main body portion 110 is located in a region of the main body portion 110 other than the sealing portion 113, and the first connection portion 120 is located at the outer periphery of the sealing portion 113. Through the structure design, the utility model discloses can utilize sealing 113 to be provided with the region and the first connecting portion 120 separation of first arch 111 with main part 110, can further promote the sealing performance of the structural stability of battery package via sealing 113 butt and support in the bottom surface of box simultaneously.
Based on the structural design that the main body 110 has the sealing part 113, in an embodiment of the present invention, the battery pack provided by the present invention may further include a sealing layer (not shown in the drawings). Specifically, the sealing layer has an annular structure, and is disposed between the sealing portion 113 and the box body to achieve a sealing function between the box body and the bottom protective plate 110. Through above-mentioned structural design, because a week edge of main part 110 is for not setting up the sealing 113 of first arch 111, when backplate 110 and box assembly at the bottom of consequently the main part, this annular sealing 113 contacts with the bottom surface of box, the utility model discloses utilize annular sealing layer can realize the sealing function between backplate 110 and the box at the bottom, further promote the sealing performance of battery package.
As shown in fig. 1 and 2, in an embodiment of the present invention, the bottom guard plate 100 may further have a second connecting portion 130, and the second connecting portion 130 is located in a middle region of the main body portion 110. Wherein, the second connecting portion 130 has a third protrusion 131 protruding toward the case. Through the structure design, the utility model discloses can utilize second connecting portion 130 to realize being connected of the middle part region and the box of end backplate 100, further promote the joint strength of end backplate 100 and box.
As shown in fig. 1 and 2, based on the structural design that the bottom protection plate 100 has the second connecting portion 130 and the second connecting portion 130 has the third protrusion 131, in an embodiment of the present invention, the bottom protection plate 100 has a first surface S1 facing the box and a second surface S2 facing away from the box. On the basis, the second connecting portion 130 is provided with a third recess 132 corresponding to the third protrusion 131 on the second surface S2. Through the structure design, the utility model discloses can further reduce end backplate 100's weight when forming the third arch 131 of second connecting portion 130, be favorable to the lightweight design of battery package.
Based on the structural design that the first surface S1 and the second surface S2 of the bottom protection plate 100 are respectively provided with the third protrusion 131 and the third recess 132 corresponding in position, in an embodiment of the present invention, the third protrusion 131 and the third recess 132 may be formed by the second connecting portion 130 through stamping and integral forming on the first surface S1 and the second surface S2, respectively. Furthermore, the third protrusion 131 and the third recess 132 may be integrally formed by the main body 110 through stamping, that is, all the areas of the second connection portion 130 may be the areas of the third protrusion 131. Through the design, the utility model discloses can further simplify the technology that forms sunken 132 of third and the protruding 131 of third on backplate 100 at the bottom, reduce the processing degree of difficulty to be favorable to promoting backplate 100 at the bottom's structural integrity.
Based on the structural design that the bottom protection plate 100 has the second connecting portion 130, and the second connecting portion 130 has the third protrusion 131, in an embodiment of the present invention, an edge of the third protrusion 131 may have a third chamfer structure, such as, but not limited to, a fillet, a chamfer, and the like. Through the structure design, the utility model discloses can utilize third chamfer structure to avoid the operator to be avoided the sharp-pointed edge fish tail of the protruding 131 of third, promote the security in the production and processing process.
It should be noted herein that the battery packs illustrated in the drawings and described in the present specification are but a few examples of the many types of battery packs 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 or any components of the battery pack as shown in the drawings or described in the present specification.
To sum up, the utility model provides a battery pack includes box and end backplate 100, and end backplate 100 has main part 110 and first connecting portion 120, and main part 110 has first arch 111, and first connecting portion 120 has the protruding 121 of second, and first arch 111 and the protruding 121 end of second are located same horizontal plane S0. Through the structure design, the utility model discloses can make the main part 110 of end backplate 100 and the protruding homoenergetic of first connecting portion 120 bear on shifting the frock in the transfer process for the atress of end backplate 100 is more even, realizes supporting the multiple spot of battery package, avoids end backplate 100 to produce the problem of deformation because of the atress is uneven. Furthermore, the present invention can enhance the structural strength of the bottom protection plate 100 by using the first protrusions 111 and the second protrusions 121.
Based on the above detailed description of several exemplary embodiments of the battery pack proposed by the present invention, an exemplary embodiment of the battery device proposed by the present invention will be described below.
In an embodiment of the present invention, the battery pack includes the battery pack provided by the present invention and explained in detail in the above-mentioned embodiment.
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 or any of the components of the battery device shown in the drawings or described in the specification.
To sum up, the utility model provides a battery device is through adopting the utility model provides a battery package can make the atress of end backplate more even, realizes the multiple spot support to the battery package, avoids end backplate to produce the problem of deformation because of the atress is uneven. And, the utility model discloses can utilize the protruding structural strength who strengthens end backplate of first arch and second.
Exemplary embodiments of a battery pack and 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 present invention 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. The utility model provides a battery pack, includes box and end backplate, end backplate set up in the bottom of box, its characterized in that, end backplate has main part and first connecting portion, first connecting portion are located the edge of main part and be used for with the box is connected, the main part has dorsad the protruding first arch of stretching of box, first connecting portion have dorsad the protruding second arch of stretching of box, first arch dorsad the one end of box with the protruding dorsad of second the one end of box is located same horizontal plane.
2. The battery pack of claim 1, wherein the backplate has a first surface facing the housing and a second surface facing away from the housing; the main body part is provided with a first recess corresponding to the first protrusion on the first surface.
3. The battery pack according to claim 2, wherein the main body portion is integrally formed by punching to form the first protrusion and the first recess.
4. The battery pack of claim 1, wherein the backplate has a first surface facing the housing and a second surface facing away from the housing; and the first connecting part is provided with a second recess corresponding to the second bulge on the first surface.
5. The battery pack according to claim 4, wherein the first connecting portion is formed integrally by punching to form the second protrusion and the second recess.
6. The battery pack according to claim 4, wherein the side surface of the second recess has an opening structure, and the opening of the second recess is located at an edge of the first connecting portion facing away from the main body portion.
7. The battery pack according to any one of claims 1 to 6, wherein the first connecting portion is provided with a plurality of the second protrusions arranged at intervals in an extending direction of an edge of the main body portion.
8. The battery pack according to any one of claims 1 to 6, wherein the main body portion has a sealing portion that is an annular region surrounding an edge of the main body portion; wherein the first protrusion is located in a region of the main body portion other than the sealing portion, and the first connecting portion is located at an outer periphery of the sealing portion.
9. The battery pack according to claim 8, further comprising a sealing layer having an annular structure, the sealing layer being disposed between the sealing portion and the case body to perform a sealing function between the case body and the bottom protective plate.
10. A battery device comprising the battery pack according to any one of claims 1 to 9.
Priority Applications (1)
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CN202221963887.0U CN217934075U (en) | 2022-07-27 | 2022-07-27 | Battery pack and battery device |
Applications Claiming Priority (1)
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CN202221963887.0U CN217934075U (en) | 2022-07-27 | 2022-07-27 | Battery pack and battery device |
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CN217934075U true CN217934075U (en) | 2022-11-29 |
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- 2022-07-27 CN CN202221963887.0U patent/CN217934075U/en active Active
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