CN209981323U - Module shell, battery pack and vehicle - Google Patents
Module shell, battery pack and vehicle Download PDFInfo
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- CN209981323U CN209981323U CN201920937491.0U CN201920937491U CN209981323U CN 209981323 U CN209981323 U CN 209981323U CN 201920937491 U CN201920937491 U CN 201920937491U CN 209981323 U CN209981323 U CN 209981323U
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- plate
- upper cover
- cover plate
- side plate
- module
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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 discloses a module shell, the module shell includes upper cover plate and lower U board, the cavity that is used for holding the battery module is injectd with lower U board fixed connection to the upper cover plate, the U board includes bottom plate and two curb plates, two down the curb plate is parallel to each other and the perpendicular to the bottom plate, the upper cover plate width is greater than two distance between the internal face of curb plate. The utility model discloses simple structure, it is convenient to connect, make full use of the space in the shell die cavity, be favorable to promoting the energy density of module.
Description
Technical Field
The utility model relates to a shell structure of battery module to and contain battery package and the vehicle of this module shell.
Background
Along with the development of the electric automobile industry, the cost requirement of an electric automobile factory on a battery pack system is more and more strict, so that the standardization of a battery core and a module is promoted.
In recent years, battery modules are adopted by more and more domestic battery manufacturers, the overall appearance size of the modules is similar, and the structures of the modules are different. At present, the shell of the battery module is connected mostly by adopting a small U plate and an enlarged U plate to be assembled to form a lap joint structure and by applying a welding mode, the shell structure is simple in connection mode and low in requirement on a welding process. But under the unchangeable condition of module overall dimension, the overlap joint structure has also sacrificed partial casing inner space, is unfavorable for the improvement of module energy density.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem to a module shell is provided.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a module shell, the module shell includes upper cover plate and lower U board, the cavity that is used for holding the battery module is injectd with lower U board fixed connection to the upper cover plate, lower U board includes bottom plate and two curb plates, two the curb plate is parallel to each other and perpendicular to the bottom plate, the upper cover plate width is greater than two distance between the internal face of curb plate.
In a preferred embodiment of the invention, the upper cover width is equal to the distance between the outer wall surfaces of the two side plates.
In a preferred embodiment of the present invention, the upper cover plate is placed on two end surfaces of the side plate, two end surfaces of the side plate are flush with two opposite end surfaces of the upper cover plate, and two end surfaces of the side plate are attached to a part of the lower surface of the upper cover plate and are welded along the attaching surface.
In a preferred embodiment of the present invention, the lower surface of the upper cover plate is provided with a cover plate protrusion structure; the side wall surface of the cover plate protruding structure is attached to the inner wall surface of the side plate; the side wall face of the cover plate protruding structure and the end face of the upper cover plate body are provided with transition faces, and the transition faces are attached to the end faces of the side plates and welded along attachment faces.
In a preferred embodiment of the present invention, the number of the cover plate protrusion structures is 1 or more.
In a preferred embodiment of the present invention, the upper cover plate and the cover plate protrusion structure are integrally formed.
In a preferred embodiment of the present invention, the cross section of the protruding structure of the cover plate is one or more of rectangular and trapezoidal.
In a preferred embodiment of the invention, the upper cover width is smaller than the distance between the outer wall surfaces of two of said side plates.
In a preferred embodiment of the present invention, the side plate comprises a side plate body and a side plate protruding structure disposed on the end surface of the side plate body, the side plate protruding structure deviates from the bottom plate, the outer wall surface of the side plate protruding structure is flush with the outer wall surface of the side plate body, and the thickness of the side plate protruding structure is 1/3-1/2 of the thickness of the side plate.
In a preferred embodiment of the present invention, a side wall surface of the side plate protruding structure and a side plate transition surface are provided between the inner wall surface of the side plate body, the side plate transition surface is attached to the lower surface of the upper cover plate, the inner wall surface of the side plate protruding structure is attached to the end surface of the upper cover plate and is welded along the attachment surface.
In a preferred embodiment of the present invention, the height of the protruding structure of the side plate is the same as the thickness of the upper cover plate.
In a preferred embodiment of the present invention, the side plate body and the side plate protrusion structure are integrally formed.
In a preferred embodiment of the present invention, the bottom plate and the two side plates are integrally formed or welded.
In a preferred embodiment of the present invention, the upper cover plate is directly welded and fixed to the lower U-plate.
The present disclosure also provides a battery pack including the above module housing, and a battery module is accommodated in the module housing.
The present disclosure also provides a vehicle containing the battery pack.
The utility model has the advantages that:
the utility model discloses simple structure, it is convenient to connect, make full use of the space in the shell die cavity, be favorable to promoting the energy density of module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of embodiment 3;
fig. 4 is a schematic structural view of embodiment 4.
Reference numerals: the upper cover plate 110, the lower U plate 120, the cavity 130, the bottom plate 121, the side plate 122, the cover plate protrusion structure 111, the side plate body 1221, and the side plate protrusion structure 1222.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
As shown in fig. 1 to 4, the present disclosure employs an upper cover plate 110 and a lower U plate 120 directly contacting and fixedly coupled to define a cavity 130 for receiving a battery module. Compared with the prior art that the lap joint structure is formed by assembling small U plates and increasing the U plates, the structure is simple, the connection is convenient, the space utilization rate of the battery pack box body is improved, the light weight and the compactness of the battery pack are realized, and the energy density of a vehicle containing the battery pack is further improved while the energy density of the battery pack is improved. Compared with the prior art, the method has the advantages of simple process, low cost and contribution to industrial application and mass production.
Example 1
Referring to fig. 1, the present invention provides a module housing, which includes an upper cover plate 110 and a lower U-plate 120, wherein the upper cover plate 110 is in direct contact with and fixedly connected to the lower U-plate 120 to define a cavity 130 for accommodating a battery module. Preferably, the upper cover plate and the lower U plate are directly welded and fixed.
The lower U-plate 120 includes a bottom plate 121 and two side plates 122, the two side plates 122 are parallel to each other and perpendicular to the bottom plate 121, and the two side plates 122 are connected by the bottom plate 121, specifically, integrally formed or welded. Improve structural strength, wear-resisting and be convenient for transport.
The width of the upper cover plate 110 is greater than the distance between the inner wall surfaces of the two side plates 122, which is beneficial to the subsequent fixed connection between the upper cover plate and the side plates and reduces the process difficulty; preferably, the width of the upper cover plate 110 is equal to the distance between the outer wall surfaces of the two side plates 122, and the design of the size is optimized, so that on one hand, the fixed connection is convenient, for example, the welding angle is more convenient; on the other hand, a standard rectangular box body structure is formed between the upper cover plate and the lower U plate, so that subsequent installation and transportation are facilitated.
Specifically, the upper cover plate 110 may be placed on end surfaces of the two side plates 122, outer wall surfaces of the two side plates 122 are flush with two opposite end surfaces of the upper cover plate 110, and the end surfaces of the two side plates 122 may be attached to a portion of the lower surface of the upper cover plate 110 and welded along the attachment surface, so as to fix the upper cover plate 110 and the lower U plate 120.
Preferably, a cover plate protruding structure 111 may be disposed on the lower surface of the upper cover plate 110, the side wall surfaces on both sides of the cover plate protruding structure 111 may be respectively attached to the inner wall surfaces of the two side plates 122, and transition surfaces may be respectively disposed between the side wall surfaces of the cover plate protruding structure 111 and the end surface of the upper cover plate body, and the transition surfaces may be attached to the end surfaces of the side plates 122 and welded along the attachment surfaces, so that the firmness and the sealing performance between the upper cover plate 110 and the lower U plate 120 may be further improved.
In addition, the cover plate protruding structure 111 can also protect the battery cell arranged in the cavity, so as to prevent laser burnthrough and welding slag from falling off; meanwhile, the welding seam can be ensured to be welded completely, and the connection strength is ensured.
The cross section of the cover plate protrusion structure 111 may be one or more of a rectangle and a trapezoid, and the cover plate protrusion structure 111 is integrally formed with the upper cover plate 110. The structural strength and the structural stability are improved, and the breakage rate in the use or transportation process is reduced.
Example 2
Referring to fig. 2, the present invention provides a module housing, which includes an upper cover plate 110 and a lower U plate 120, wherein the upper cover plate 110 is in direct contact with and fixedly connected to the lower U plate 120 to define a cavity 130 for accommodating a battery module. Preferably, the upper cover plate and the lower U plate are directly welded and fixed.
The lower U-plate 120 includes a bottom plate 121 and two side plates 122, the two side plates 122 are parallel to each other and perpendicular to the bottom plate 121, and the two side plates 122 are connected by the bottom plate 121, specifically, integrally formed or welded. Improve structural strength, wear-resisting and be convenient for transport.
The width of the upper cover plate 110 is greater than the distance between the inner wall surfaces of the two side plates 122, which is beneficial to the subsequent fixed connection between the upper cover plate and the side plates and reduces the process difficulty; preferably, the width of the upper cover plate 110 is equal to the distance between the outer wall surfaces of the two side plates 122, and the design of the size is optimized, so that on one hand, the fixed connection is convenient, for example, the welding angle is more convenient; on the other hand, a standard rectangular box body structure is formed between the upper cover plate and the lower U plate, so that subsequent installation and transportation are facilitated.
Specifically, the upper cover plate 110 may be placed on end surfaces of the two side plates 122, outer wall surfaces of the two side plates 122 are flush with two opposite end surfaces of the upper cover plate 110, and the end surfaces of the two side plates 122 may be attached to a portion of the lower surface of the upper cover plate 120 and welded along the attachment surface, so as to fix the upper cover plate 110 and the lower U plate 120.
Preferably, the lower surface of the upper cover plate 110 can be provided with a plurality of cover plate protruding structures 111, two cover plate protruding structures can be specifically arranged in the embodiment, the cover plate protruding structures 111 are respectively located at two sides of the lower surface of the upper cover plate 110, the side wall surfaces of the two cover plate protruding structures 111 deviating from the direction are respectively attached to the inner wall surface of one side plate 122, transition surfaces are respectively arranged between the side wall surfaces of the cover plate protruding structures 111 and the end surface of the upper cover plate body, the transition surfaces can be attached to the end surfaces of the side plates 122 and welded along the attachment surfaces, and therefore firmness and tightness between the upper cover plate 110 and the lower U plate 120 can be further improved.
In addition, the cover plate protruding structure 111 can also protect the battery cell arranged in the cavity, so as to prevent laser burnthrough and welding slag from falling off; meanwhile, the welding seam can be ensured to be welded completely, and the connection strength is ensured.
The cross section of each cover plate protruding structure 111 may be one or more of a rectangle and a trapezoid, and the cover plate protruding structure 111 is integrally formed with the upper cover plate 110. The structural strength and the structural stability are improved, and the breakage rate in the use or transportation process is reduced.
Example 3
Referring to fig. 3, the present invention provides a module housing, which includes an upper cover plate 110 and a lower U plate 120, wherein the upper cover plate 110 is in direct contact with and fixedly connected to the lower U plate 120 to define a cavity 130 for accommodating a battery module. Preferably, the upper cover plate and the lower U plate are directly welded and fixed.
The lower U-plate 120 includes a bottom plate 121 and two side plates 122, the two side plates 122 are parallel to each other and perpendicular to the bottom plate 121, and the two side plates 122 are connected by the bottom plate 121, specifically, integrally formed or welded. Improve structural strength, wear-resisting and be convenient for transport.
The width of the upper cover plate 110 is greater than the distance between the inner wall surfaces of the two side plates 122, which is beneficial to the subsequent fixed connection between the upper cover plate and the side plates and reduces the process difficulty; preferably, the width of the upper cover plate 110 is equal to the distance between the outer wall surfaces of the two side plates 122, and the design of the size is optimized, so that on one hand, the fixed connection is convenient, for example, the welding angle is more convenient; on the other hand, a standard rectangular box body structure is formed between the upper cover plate and the lower U plate, so that subsequent installation and transportation are facilitated.
Specifically, the upper cover plate 110 may be placed on end surfaces of the two side plates 122, outer wall surfaces of the two side plates 122 are flush with two opposite end surfaces of the upper cover plate 110, and the end surfaces of the two side plates 122 may be attached to a portion of the lower surface of the upper cover plate 110 and welded along the attachment surface, so as to fix the upper cover plate 110 and the lower U plate 120.
Example 4
Referring to fig. 4, the present invention provides a module housing, which includes an upper cover plate 110 and a lower U plate 120, wherein the upper cover plate 110 is in direct contact with and fixedly connected to the lower U plate 120 to define a cavity 130 for accommodating a battery module. Preferably, the upper cover plate and the lower U plate are directly welded and fixed.
The lower U-plate 120 includes a bottom plate 121 and two side plates 122, the two side plates 122 are parallel to each other and perpendicular to the bottom plate 121, and the two side plates 122 are connected by the bottom plate 121, specifically, integrally formed or welded. Improve structural strength, wear-resisting and be convenient for transport.
The width of the upper cover plate 110 is greater than the distance between the inner wall surfaces of the two side plates 122, which is beneficial to the subsequent fixed connection between the upper cover plate and the side plates and reduces the process difficulty; preferably, the width of the upper cover plate 110 is smaller than the distance between the outer wall surfaces of the two side plates 122. On one hand, the upper cover plate 110 and the lower U plate 120 are fixedly connected on the inner wall surfaces of the side plates, so that the packaging effect is better; on the other hand, a standard rectangular box body structure is formed between the upper cover plate and the lower U plate, so that subsequent installation and transportation are facilitated.
Preferably, each side plate 122 comprises a side plate body 1221 and a side plate protrusion structure 1222 arranged on an end face of the side plate body 1221, the side plate protrusion structure 1222 faces away from the bottom plate 121, an outer wall surface of the side plate protrusion structure 1222 is flush with an outer wall surface of the side plate body 1221, and the thickness of the side plate protrusion structure 1222 is 1/3-1/2 of the thickness of the side plate 122. Because the thickness of curb plate protruding structure 1222 is less than curb plate 122 thickness, has formed the step shape jointly as shown in the figure, and upper cover plate 110 is installed on this step structure, and the width of cooperation upper cover plate 110 is greater than the distance between the inner wall face of two curb plates 122 for the sealed effect in the holding cavity is better.
Preferably, the side plate body 1221 and the side plate protrusion structure 1222 are integrally formed. The structural strength and the structural stability are improved, and the breakage rate in the use or transportation process is reduced.
Specifically, a side plate transition surface is arranged between a side wall surface of the side plate protrusion structure 1222 and an inner wall surface of the side plate body 1221, the side plate transition surface is attached to the lower surface of the upper cover plate 110, the inner wall surface of the side plate protrusion structure 1222 is attached to the end surface of the upper cover plate 110, and welding can be performed along the attachment surface, so that the upper cover plate 110 and the lower U plate 120 are fixed.
Preferably, the height of the side plate protrusion 1222 is the same as the thickness of the upper cover plate 110. The size is optimized, and the upper cover plate and the lower U plate form a standard rectangular box body structure, so that subsequent installation and transportation are facilitated.
The present disclosure also provides a battery pack including the above module housing, and a battery module is accommodated in the module housing.
The present disclosure also provides a vehicle containing the battery pack.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (16)
1. The utility model provides a module shell, its characterized in that, the module shell includes upper cover plate and lower U board, the cavity that is used for holding the battery module is injectd with lower U board fixed connection to the upper cover plate, lower U board includes bottom plate and two curb plates, two the curb plate is parallel to each other and perpendicular to the bottom plate, the upper cover plate width is greater than two distance between the internal face of curb plate.
2. The module housing as in claim 1, wherein said upper cover width is equal to the distance between the outer walls of said two side plates.
3. The modular housing of claim 2, wherein the top cover is disposed on the end surfaces of the two side plates, the outer wall surfaces of the two side plates are flush with the two opposite end surfaces of the top cover, and the end surfaces of the two side plates are attached to the lower surface of the top cover and welded along the attachment surfaces.
4. The module housing as in claim 3, wherein the lower surface of the upper cover is provided with a cover protrusion structure; the side wall surface of the cover plate protruding structure is attached to the inner wall surface of the side plate; the side wall face of the cover plate protruding structure and the end face of the upper cover plate body are provided with transition faces, and the transition faces are attached to the end faces of the side plates and welded along attachment faces.
5. The module housing according to claim 4, wherein the cover plate protrusion structure is 1 or more.
6. The module housing as in claim 4, wherein the upper cover plate and the cover plate protrusion structure are integrally formed.
7. The module housing according to claim 4, wherein the cross-section of the protruding structure of the cover plate is one or more of rectangular and trapezoidal.
8. The module housing as in claim 1, wherein said upper cover width is less than the distance between the outer walls of said side plates.
9. The module housing according to claim 8, wherein the side plate comprises a side plate body and a side plate protrusion structure disposed on an end surface of the side plate body, the side plate protrusion structure faces away from the bottom plate, an outer wall surface of the side plate protrusion structure is flush with an outer wall surface of the side plate body, and a thickness of the side plate protrusion structure is 1/3-1/2 of a thickness of the side plate.
10. The module housing according to claim 9, wherein a side plate transition surface is provided between the side wall surface of the side plate protrusion structure and the inner wall surface of the side plate body, the side plate transition surface is attached to the lower surface of the upper cover plate, and the inner wall surface of the side plate protrusion structure is attached to the end surface of the upper cover plate and welded along the attachment surface.
11. The modular housing of claim 9 wherein the side panel projection arrangement has a height that is the same as the thickness of the top cover.
12. The module housing according to claim 9, wherein the side plate body and the side plate protrusion structure are integrally formed.
13. The modular housing of claim 1, wherein the bottom plate and the two side plates are integrally formed or welded together.
14. The module housing as in claim 1, wherein the upper cover plate is welded directly to the lower U-plate.
15. A battery pack, characterized in that a battery comprises the module case according to any one of claims 1 to 14, the module case accommodating the battery module therein.
16. A vehicle comprising the battery pack according to claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937491.0U CN209981323U (en) | 2019-06-21 | 2019-06-21 | Module shell, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937491.0U CN209981323U (en) | 2019-06-21 | 2019-06-21 | Module shell, battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209981323U true CN209981323U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920937491.0U Active CN209981323U (en) | 2019-06-21 | 2019-06-21 | Module shell, battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209981323U (en) |
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2019
- 2019-06-21 CN CN201920937491.0U patent/CN209981323U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210325 Address after: Room 201, building a, Xingli Zundian furniture factory, No.1 shouhe Road, Jinsha community, Kengzi street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Evergrande new energy technology (Shenzhen) Co.,Ltd. Patentee after: SHANGHAI CENAT NEW ENERGY Co.,Ltd. Patentee after: NANCHANG CENAT NEW ENERGY Co.,Ltd. Patentee after: GUANGXI CENAT NEW ENERGY Co.,Ltd. Patentee after: JIANGSU CENAT NEW ENERGY Co.,Ltd. Address before: 518052 Room 201, building a, No.1 Qianhai 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen City, Guangdong Province Patentee before: Hengda New Energy Technology Group Co.,Ltd. Patentee before: SHANGHAI CENAT NEW ENERGY Co.,Ltd. Patentee before: NANCHANG CENAT NEW ENERGY Co.,Ltd. Patentee before: GUANGXI CENAT NEW ENERGY Co.,Ltd. Patentee before: JIANGSU CENAT NEW ENERGY Co.,Ltd. |