CN211062766U - Battery module assembly and vehicle - Google Patents
Battery module assembly and vehicle Download PDFInfo
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- CN211062766U CN211062766U CN201922441787.6U CN201922441787U CN211062766U CN 211062766 U CN211062766 U CN 211062766U CN 201922441787 U CN201922441787 U CN 201922441787U CN 211062766 U CN211062766 U CN 211062766U
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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 provides a battery module assembly and vehicle relates to the vehicle field. The battery module assembly comprises a battery frame and a battery core arranged in the battery frame, wherein the battery frame comprises two end plates and two side plates which form a square shape. Wherein, the end plate includes the body and sets up the installation department in the body both sides, and first spacing recess has been seted up towards one side of electric core to the body. The curb plate includes straight portion and kink, and the kink is buckled and is linked firmly with the installation department joint towards the end plate direction along the tip of straight portion. The battery frame further comprises an insulating plate, the insulating plate is arranged between the battery core and the end plate, a first limiting boss protrudes towards one side of the body, and the first limiting boss is matched with and fixedly connected with the first limiting groove, so that the insulating plate is connected with the end plate. The utility model discloses increased the structural connection design between end plate and curb plate, end plate and insulation board, through connection structure and the contact form that improves between each part, improved battery frame's installation stability.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a battery module assembly and vehicle.
Background
The shell of the battery module is a core structural member for fixing and protecting the battery core, and has the function of accommodating a certain number of battery cores in a specified size range, and also can reach the mechanical strength standard capable of bearing various limit working conditions, such as mechanical vibration, mechanical impact, battery core expansion and the like.
In the prior art, the end plates and the side plates in the shell structure of the square battery module are directly connected through welding seams, and the plastic insulating plates are connected with the battery core and the end plates through plane adhesive. When the battery module receives operating modes such as mechanical vibration, mechanical shock and electric core inflation, owing to lack corresponding structural protection design, welding seam and sticky regional direct great stress that bears (for example the welding seam receives tensile stress because electric core inflation, and glue receives shear stress because vertical direction impact load), very easily take place welding seam fatigue failure and sticky connection failure. This also puts higher demands on the welding process and the glue performance of manufacturers, increasing the development cost of the battery module product.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an object of first aspect is to provide a battery module assembly, solve among the prior art because between the end plate in the battery module and the curb plate, lack the protection of corresponding structure between end plate and the insulation board and lead to end plate and curb plate, end plate and insulation board to be connected the problem of inefficacy under the impact force.
The utility model discloses the purpose of second aspect provides a vehicle.
According to a first aspect of the present invention, there is provided a battery module assembly comprising a battery frame and a cell disposed within the battery frame, the battery frame comprising two end plates and two side plates forming a square shape, wherein,
the end plate comprises a body and mounting parts arranged on two sides of the body, and one side of the body facing the battery cell is provided with a first limiting groove;
the side plate comprises a straight part and a bent part, and the bent part is bent towards the end plate direction along the end part of the straight part and is clamped and fixedly connected with the mounting part;
the battery frame further comprises an insulating plate, the insulating plate is arranged between the battery core and the end plate, a first limiting boss protrudes towards one side of the body, and the first limiting boss is matched with and fixedly connected with the first limiting groove, so that the insulating plate is connected with the end plate.
Optionally, the installation department includes the joint section and sets up two spacing sections of joint section both sides, the cross-sectional area of spacing section is greater than the cross-sectional area of joint section, so that the kink with during the joint section joint with spacing section looks butt, thereby make the curb plate with the end plate joint.
Optionally, the two limiting sections include a first limiting section and a second limiting section, and the first limiting section is arranged at the bottom of the clamping section and is fixedly connected with the clamping section;
the spacing section of second is the fixed block, sets up the top of joint section, the fixed block with the joint section can be dismantled and be connected.
Optionally, a second limiting groove is formed in the end portion of the clamping section, a second limiting boss protrudes from the fixed block, and the second limiting groove is matched with the second limiting boss to enable the fixed block to be connected with the clamping section.
Optionally, the first limiting groove and the first limiting boss are both square.
Optionally, the mounting portion is provided with a through hole along an axial direction thereof.
Optionally, the end of the insulating plate close to the second limiting section is bent towards the battery core direction.
Optionally, the tail end of the bent part is connected with the mounting part in a welding manner;
the first limiting groove is fixedly connected with the first limiting boss through structural adhesive.
Optionally, the body is provided with at least one weight-avoiding hole.
According to the utility model discloses the purpose of second aspect, the utility model also provides a vehicle, it installs foretell battery module assembly.
The utility model provides an end plate includes the body and sets up the installation department in the body both sides, and first spacing recess has been seted up towards one side of electric core to the body. The curb plate includes straight portion and kink, and the kink is buckled and is linked firmly with the installation department joint towards the end plate direction along the tip of straight portion. The battery frame further comprises an insulating plate, the insulating plate is arranged between the battery core and the end plate, a first limiting boss protrudes towards one side of the body, and the first limiting boss is matched with and fixedly connected with the first limiting groove, so that the insulating plate is connected with the end plate. The utility model discloses increased the structural connection design between end plate and curb plate, end plate and insulation board, through connection structure and the contact form that improves between each part, can furthest reduce the risk of being connected failure between end plate and the curb plate, between end plate and the insulation board under the impact force, improved the installation stability between each part.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of a battery module assembly according to an embodiment of the present invention;
fig. 2 is a schematic exploded view of the battery module assembly shown in fig. 1;
fig. 3 is a schematic structural view of an end plate in the battery module assembly shown in fig. 1;
fig. 4 is a schematic structural view of a second stopper segment of the end plate in the battery module assembly shown in fig. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Fig. 1 is a schematic structural view of a battery module assembly according to an embodiment of the present invention, fig. 2 is a schematic exploded view of the battery module assembly shown in fig. 1, and fig. 3 is a schematic structural view of an end plate 1 in the battery module assembly shown in fig. 1. As shown in fig. 1 to 3, in a specific embodiment, the battery module assembly may generally include a battery frame 100 and a battery cell (not shown in the drawings) disposed in the battery frame 100, where the battery frame 100 includes two end plates 1 and two side plates 2 forming a square shape, where the end plates 1 include a body 17 and mounting portions 15 disposed on two sides of the body 17, and a first limiting groove 11 is opened on one side of the body 17 facing the battery cell. The side plate 2 includes a straight portion 22 and a bent portion 21, and the bent portion 21 is bent toward the end plate 1 along the end portion of the straight portion 22 and is connected to the mounting portion 15 in a clamping manner. The battery frame 100 further includes an insulating plate 3 disposed between the electric core and the end plate 1, a first limiting boss 31 is protruded from one side of the insulating plate 3 facing the body 17, and the first limiting boss 31 is matched with and fixedly connected to the first limiting groove 11, so that the insulating plate 3 is connected to the end plate 1. Wherein, curb plate 2 is the sheet metal component, first spacing boss 31 and 11 interference fit of first spacing recess, specifically, first spacing boss 31 and first spacing recess 11 are square.
The utility model discloses between end plate 1 and curb plate 2, increased the structural connection design between end plate 1 and insulation board 3, through connection structure and the contact form that improves between each part, can furthest reduce under the impact force and connect the risk of losing efficacy between end plate 1 and the curb plate 2, between end plate 1 and the insulation board 3, improved the installation stability between each part.
Further, the installation part 15 includes the clamping section 18 and two spacing sections arranged at two sides of the clamping section 18, and the cross-sectional area of the spacing section is larger than that of the clamping section 18, so that the bending part 21 is abutted against the spacing sections when clamped with the clamping section 18, and the side plate 2 is clamped with the end plate 1. The utility model discloses set up spacing section on installation department 15, the joint position of kink 21 on installation department 15 that can lock curb plate 2.
Fig. 4 is a schematic structural view of a fixing block of the end plate 1 in the battery module assembly shown in fig. 1. As shown in fig. 4, and referring to fig. 1-3, in a preferred embodiment, the position-limiting section includes a first position-limiting section 14 and a second position-limiting section 4, and the first position-limiting section 14 is disposed at the bottom of the clamping section 18 and is fixedly connected to the clamping section 18. The second limiting section 4 is a fixing block and is arranged at the top of the clamping section 18, the fixing block is detachably connected with the clamping section 18, and the fixing block is fixed with the clamping section 18 in an interference fit manner.
The utility model discloses set the spacing section 4 of second of installation department 15 to and can dismantle with joint section 18 and be connected, during the equipment, earlier with the kink 21 of curb plate 2 and the joint section 18 joint of the installation department 15 of end plate 1 and with first spacing section 14 looks butt (kink 21 embolias from installation department 15 top-down), thereby install the fixed block on installation department 15 again and carry on spacingly to kink 21. The assembly of the side plates 2 of the battery frame 100 with the end plates 1 may be facilitated by using separate fixing blocks.
Specifically, the end of the clamping section 18 is provided with a second limiting groove 13, the fixing block protrudes with a second limiting boss 42, and the second limiting groove 13 is matched with the second limiting boss 42 so that the fixing block is connected with the clamping section 18. Further, the number of the second limiting grooves 13 and the second limiting bosses 42 is two, the shapes of the second limiting grooves 13 and the second limiting bosses 42 are the same, and the second limiting grooves 13 and the second limiting bosses 42 are both square and can also be arranged in a cylindrical shape.
In one embodiment, the mounting portion 15 is formed with a through hole 12 along an axial direction thereof. That is, the fixing block, the first limiting section 14 and the clamping section 18 are all provided with through holes 12 with the same size. In the process of mounting the battery module assembly in the battery pack, the fixing block is fixed to the end plate 1 by bolts passing through the through-holes 12.
Further, the end 32 of the insulating plate 3 close to the second limiting section 4 is bent towards the battery cell direction.
The end of the bending part 21 is connected with the mounting part 15 in a welding mode, and the first limiting groove 11 is connected with the first limiting boss 31 in a reinforcing mode through structural adhesive.
The utility model discloses with the welding seam setting at the end of kink 21, reduced the welding seam and directly suffered the risk of extreme stress. And adopt the mosaic structure of boss and recess between end plate 1 and the insulation board 3, consolidate through the structure and connect, when battery frame 100 suffers vertical direction mechanical shock, shearing force effect on the vertical direction can furthest be shared to this kind of recess and boss structure, avoids end plate 1 and insulation board 3 to take place to separate. Compared with the connection mode of simply adopting plane gluing in the prior art, the risk of degumming of the glue due to the fact that the glue bears larger shear stress is reduced. In addition, in order to improve the adhesive force between the insulating plate 3 and the battery core, the insulating plate and the battery core may be bonded by using a back adhesive, and the side plate 2 of the battery frame 100 and the battery core are also bonded by using an adhesive to make a fixed contact.
At least one weight-avoiding hole 16 is formed on the body 17 of the end plate 1 of the battery frame 100. The weight of the battery module assembly can be reduced.
Specifically, the first limit groove 11, the first limit boss 31, the second limit groove 13, and the second limit boss 42 on the body 17 are obtained by machining. The insulating plate 3 is of a plastic injection molding structure. In the assembly process of the battery frame 100, the two ends of the battery frame 100 apply a certain pretightening force to the length direction of the battery frame 100 through the end plates 1, so that the battery frame 100 is limited and fixed, and a good contact force is kept between the battery core and the insulating plate 3, and between the insulating plate 3 and the end plates 1.
The utility model also provides a vehicle, it installs the battery module assembly in above-mentioned any one embodiment, to the battery module assembly, and it is here not repeated to differ one.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A battery module assembly comprising a battery frame and a cell disposed within the battery frame, wherein the battery frame comprises two end plates and two side plates forming a square, wherein,
the end plate comprises a body and mounting parts arranged on two sides of the body, and one side of the body facing the battery cell is provided with a first limiting groove;
the side plate comprises a straight part and a bent part, and the bent part is bent towards the end plate direction along the end part of the straight part and is clamped and fixedly connected with the mounting part;
the battery frame further comprises an insulating plate, the insulating plate is arranged between the battery core and the end plate, a first limiting boss protrudes towards one side of the body, and the first limiting boss is matched with and fixedly connected with the first limiting groove, so that the insulating plate is connected with the end plate.
2. The battery module assembly according to claim 1,
the installation department includes the joint section and sets up two spacing sections of joint section both sides, the cross-sectional area of spacing section is greater than the cross-sectional area of joint section, so that the kink with during the joint section joint with spacing section looks butt, thereby make the curb plate with the end plate joint.
3. The battery module assembly according to claim 2,
the two limiting sections comprise a first limiting section and a second limiting section, and the first limiting section is arranged at the bottom of the clamping section and is fixedly connected with the clamping section;
the spacing section of second is the fixed block, sets up the top of joint section, the fixed block with the joint section can be dismantled and be connected.
4. The battery module assembly according to claim 3,
the end of the clamping section is provided with a second limiting groove, the fixed block protrudes with a second limiting boss, and the second limiting groove is matched with the second limiting boss to enable the fixed block to be connected with the clamping section.
5. The battery module assembly according to claim 1,
the first limiting groove and the first limiting boss are both square.
6. The battery module assembly according to claim 1,
the mounting portion is provided with a through hole along the axial direction of the mounting portion.
7. The battery module assembly according to claim 3,
the end part of the insulating plate, which is close to the second limiting section, is bent towards the battery cell direction.
8. The battery module assembly according to claim 1,
the tail end of the bent part is connected with the mounting part in a welding mode;
the first limiting groove is fixedly connected with the first limiting boss through structural adhesive.
9. The battery module assembly according to claim 1,
the body is provided with at least one weight avoiding hole.
10. A vehicle, characterized in that the battery module assembly according to any one of claims 1 to 9 is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441787.6U CN211062766U (en) | 2019-12-30 | 2019-12-30 | Battery module assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441787.6U CN211062766U (en) | 2019-12-30 | 2019-12-30 | Battery module assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211062766U true CN211062766U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922441787.6U Active CN211062766U (en) | 2019-12-30 | 2019-12-30 | Battery module assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211062766U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909397A (en) * | 2021-01-20 | 2021-06-04 | 上海兰钧新能源科技有限公司 | Module end plate and battery module |
| JP2023507303A (en) * | 2020-03-12 | 2023-02-22 | エルジー エナジー ソリューション リミテッド | Battery module with improved energy density and battery pack including the same |
-
2019
- 2019-12-30 CN CN201922441787.6U patent/CN211062766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023507303A (en) * | 2020-03-12 | 2023-02-22 | エルジー エナジー ソリューション リミテッド | Battery module with improved energy density and battery pack including the same |
| JP7436117B2 (en) | 2020-03-12 | 2024-02-21 | エルジー エナジー ソリューション リミテッド | Battery module with improved energy density and battery pack containing the same |
| CN112909397A (en) * | 2021-01-20 | 2021-06-04 | 上海兰钧新能源科技有限公司 | Module end plate and battery module |
| CN112909397B (en) * | 2021-01-20 | 2023-05-16 | 上海兰钧新能源科技有限公司 | Module end plate and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430070 A404, building 3, 28 chuanjiangchi 2nd Road, Wuhan Economic and Technological Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan lutes Automobile Co.,Ltd. Address before: 430090 Building 2, No. 100, Weihu Road, Shamao street, Hannan District, Wuhan City, Hubei Province Patentee before: Wuhan Geely Automobile Research and Development Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210513 Address after: 430090 Building 2, No. 100, Weihu Road, Shamao street, Hannan District, Wuhan City, Hubei Province Patentee after: Wuhan Geely Automobile Research and Development Co.,Ltd. Address before: 918 Binhai 4th Road, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: GEELY AUTOMOBILE RESEARCH INSTITUTE (NINGBO) Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |