CN213026328U - Battery module fastening device - Google Patents
Battery module fastening device Download PDFInfo
- Publication number
- CN213026328U CN213026328U CN202022253937.3U CN202022253937U CN213026328U CN 213026328 U CN213026328 U CN 213026328U CN 202022253937 U CN202022253937 U CN 202022253937U CN 213026328 U CN213026328 U CN 213026328U
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- Prior art keywords
- support
- bracket
- end plate
- plates
- battery module
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- 238000003466 welding Methods 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery module fastening device, which comprises an electric core, a bracket, a top fixing bracket, an end plate, a side plate, a busbar and a top cover plate, wherein the electric core is arranged side by side, the bracket is fixed outside the electric core, and two ends of the bracket parallel to the electric core are arranged in an open manner; the two ends of the bracket, which are open, are provided with a top fixing bracket and an end plate, the top fixing bracket is clamped between the end plate and the bracket, the two side plates are respectively arranged in parallel with the two sides opposite to the bracket, the side plates are provided with air holes, the two ends of the side plates wrap the end plate, and the side plates are fixedly connected with the end plate through rivets; the top of support is equipped with the nut, through the bolt fixed connection who matches with the nut between busbar and the support, and busbar and electric core welding, the top of support is located to top apron lid. Uniform size, good vibration resistance, high product insulation, simple manufacturing process and improved production quality.
Description
Technical Field
The utility model relates to a new energy vehicle power battery technical field, concretely relates to battery module fastener.
Background
The power battery is the only power energy source of the pure electric vehicle at present, and is one of the important factors influencing the performance of the pure electric vehicle, and the safety of the battery pack directly influences the safety of the whole vehicle. The battery pack is formed by connecting a plurality of battery modules in series and parallel, wherein the fastening device of the battery modules plays a key role in the safe operation of the battery pack.
At present, a fastening device of a battery module is mainly formed by fixedly connecting a module box and a cross beam, so that the fastening of the battery module with high gravity center is not facilitated, the safety performance of the battery module is influenced, and the safe work of a power battery under a complex working condition can not be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery module fastener, thereby the size is unified, the vibration resistance is good, product insulating nature is high, manufacturing process is simple improves production quality.
The utility model provides a following technical scheme:
a battery module fastening device comprises an electric core, a support, a top fixing support, an end plate, a side plate, a busbar and a top cover plate, wherein the electric core is arranged in parallel, the support is fixed outside the electric core, and two ends of the support, which are parallel to the electric core, are arranged in an open manner;
the top fixing support and the end plate are arranged at two ends of the support in an open manner, the top fixing support is clamped between the end plate and the support, the two side plates are respectively arranged in parallel with two opposite sides of the support, air holes are formed in the side plates, the end plate is wrapped by the two ends of each side plate, and the side plates are fixedly connected with the end plate through rivets;
the top of support is equipped with the nut, the busbar with through between the support with the bolt fixed connection that the nut matches, the busbar with electricity core welding, top apron lid is located the top of support.
Preferably, the battery cell is fixed inside the bracket through a special glue.
Preferably, the support comprises side supports, a top support and a bottom support, matched buckles are arranged between the top support and the bottom support and between the bottom support and the adjacent side supports and are connected through the buckles, and the side plates are fixed outside the side supports.
Preferably, the air holes are strip-shaped holes, the air holes are uniformly arranged on the side plate from top to bottom, a fixing plate is arranged on the edge of the side plate opposite to the end plate, the fixing plate is integrally and vertically connected with the side plate, and the fixing plate is fixedly connected with the end plate through rivets.
Preferably, the top cover plate is an insulating plate.
Preferably, corresponding screw holes are respectively formed between the end plate and the top support and between the top cover plate and the top of the support, and the end plate and the top support are fixedly connected through fixing bolts matched with the screw holes.
Preferably, the top fixing support is close to the side face of the top of the support is provided with a mounting hole, the two ends of the busbar are vertically provided with mounting plates, the mounting plates are arranged downwards, and the mounting plates are provided with positioning holes corresponding to the mounting holes.
Preferably, the top of the end plate is arranged in a U shape, and the concave part at the top of the end plate is opposite to the mounting hole.
A method for installing a battery module fastening device comprises the following steps:
s1, fixing the battery cell between two sides of the bracket through glue, and connecting adjacent brackets together through a buckle;
s2, sequentially mounting a top fixing support and an end plate at the openings at the two ends of the support, wherein the end plate is mounted at the outer side of the top fixing support;
s3, mounting the side plates on two opposite sides of the bracket, enabling the two ends of the side plates to wrap the end plates, and fixing the side plates and the end plates through rivets;
s4, fixing the bus bar in a nut of the bracket through a bolt, and welding the bus bar and the battery cell together;
and S5, mounting the top cover plate on the top of the module for insulation protection, and completing mounting.
The utility model has the advantages that: the utility model has the advantages that the bracket and the top fixing bracket which are arranged outside the battery cell ensure that a certain binding force exists between the battery cell and the battery cell, and simultaneously, enough space is provided for the expansion and heat dissipation of the battery cell; the side plates can effectively support the expansion force of the battery cell and can also effectively exchange heat of the battery cell through gas convection through holes in the side surfaces, so that the temperature uniformity of the module is better; the outside support that is equipped with of electricity core makes it keep apart with the installing support, and its insulating nature can be better, and the security performance of battery module promotes, and the battery module atress is even, and structure non-deformable arches, has reduced the risk of battery module explosion.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a schematic structural view of the end plate of the present invention;
fig. 4 is a schematic view of the installation between the battery cell, the bracket and the top fixture of the present invention;
FIG. 5 is a schematic view of the top mounting bracket of the present invention;
FIG. 6 is a schematic view of the side plate structure of the present invention;
labeled as: 1. an electric core; 2. a support; 3. a top fixing bracket; 4. an end plate; 5. a side plate; 6. a bus bar; 7. a top cover plate; 8. riveting; 9. a nut; 10. and (4) bolts.
Detailed Description
As shown in fig. 1-6, a battery module fastening device includes electric core 1, support 2, top fixed bolster 3, end plate 4, curb plate 5, busbar 6 and top apron 7, and electric core 1 sets up side by side, and support 2 is fixed in the outside of electric core 1, and support 2 is uncovered setting with the parallel both ends of electric core 1, and electric core 1 is fixed in inside support 2 through special glue.
Wherein, support 2 includes collateral branch frame 2, top support 2 and bottom support 2, is equipped with the buckle that matches and connects through the buckle between top support 2, bottom support 2 and the adjacent collateral branch frame 2, and curb plate 5 is fixed in the outside of collateral branch frame 2. Keep apart through support 2 between electric core 1 and the electric core 1 installing support 2, make its insulating nature increase, simultaneously, have certain constraint power and still have sufficient space simultaneously and be used for electric core 1 inflation and heat dissipation between electric core 1 and the electric core 1 through support 2.
The air holes are strip-shaped and are uniformly arranged on the side plate 5 from top to bottom, the edge of the side plate 5 opposite to the end plate 4 is provided with a fixing plate, the fixing plate is vertically connected with the side plate 5 in an integrated manner, and the fixing plate is fixedly connected with the end plate 4 through a rivet 8.
The effectual tight power of expanding that supports electric core 1 of curb plate 5 can also carry out the heat transfer through gaseous convection with electric core 1 temperature through the hole of side is effectual, makes the temperature homogeneity of module better.
The top of support 2 is equipped with nut 9, and through the bolt 10 fixed connection who matches with nut 9 between busbar 6 and the support 2, busbar 6 and electric core 1 welding, the top of support 2 is located to top apron 7 lid, and top apron 7 is the insulation board, carries out insulation protection to the battery module.
Wherein, be equipped with the mounting hole on the side that top fixed bolster 3 is close to 2 tops of support, the both ends of busbar 6 are equipped with the mounting panel perpendicularly, and the mounting panel sets up downwards, is equipped with the locating hole that corresponds with the mounting hole on the mounting panel.
Corresponding screw holes are respectively arranged between the end plate 4 and the top support 2 and between the top cover plate 7 and the top of the support 2, and the end plate and the top support are fixedly connected through fixing bolts 10 matched with the screw holes. The top of end plate 4 is the setting of U font, and the sunken department at end plate 4 top is relative with the mounting hole.
As shown in fig. 1 to 6, a method of mounting a battery module fastening device includes the steps of:
s1, fixing the battery cell 1 between two sides of the bracket 2 through glue, and connecting the adjacent brackets 2 together through buckles;
s2, sequentially mounting a top fixing support 3 and an end plate 4 at openings at two ends of the support 2, wherein the end plate 4 is mounted at the outer side of the top fixing support 3;
s3, mounting the side plates 5 on two opposite sides of the bracket 2, enabling two ends of each side plate 5 to wrap the end plate 4, and fixing the side plates 5 and the end plates 4 through rivets 8;
s4, fixing the busbar 6 in the nut 9 of the bracket through the bolt 10, and welding the busbar and the battery cell 1 together;
and S5, mounting the top cover plate 7 on the top of the module for insulation protection, and completing the mounting.
So, this battery module structure has realized that the while in two directions is taut and the straining force is big, can guarantee simultaneously that the battery module assembles more stably when the operation in the battery system, the anti-vibration ability of battery module has been strengthened, the security performance of battery module promotes, and the battery module atress is even, structure non-deformable arches, the risk of battery module explosion has been reduced, support 2 also can protect existing constraint power and insulating nature between electric core 1 and the electric core 1, can also ensure the life of battery at the breathing expansion coefficient extension electric core 1 of charge-discharge in-process.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A battery module fastening device is characterized by comprising an electric core, a support, a top fixing support, end plates, side plates, a busbar and a top cover plate, wherein the electric core is arranged in parallel, the support is fixed outside the electric core, and two ends of the support, which are parallel to the electric core, are arranged in an open manner;
the top fixing support and the end plate are arranged at two ends of the support in an open manner, the top fixing support is clamped between the end plate and the support, the two side plates are respectively arranged in parallel with two opposite sides of the support, air holes are formed in the side plates, the end plate is wrapped by the two ends of each side plate, and the side plates are fixedly connected with the end plate through rivets;
the top of support is equipped with the nut, the busbar with through between the support with the bolt fixed connection that the nut matches, the busbar with electricity core welding, top apron lid is located the top of support.
2. The battery module fastening device according to claim 1, wherein the battery core is fixed inside the bracket by a special glue.
3. The battery module fastening device according to claim 1, wherein the bracket comprises side brackets, a top bracket and a bottom bracket, matching buckles are arranged between the top bracket and the bottom bracket and the adjacent side brackets and are connected through the buckles, and the side plates are fixed on the outer parts of the side brackets.
4. The battery module fastening device according to claim 1, wherein the air holes are bar-shaped holes, the air holes are uniformly arranged on the side plates up and down, the edges of the side plates opposite to the end plates are provided with fixing plates, the fixing plates and the side plates are integrally and vertically connected, and the fixing plates and the end plates are fixedly connected through the rivets.
5. The battery module fastening device according to claim 1, wherein the top cap plate is an insulating plate.
6. The battery module fastening device according to claim 3, wherein corresponding screw holes are respectively formed between the end plate and the top bracket and between the top cover plate and the top of the bracket and are fixedly connected by fixing bolts matched with the screw holes.
7. The battery module fastening device according to claim 1, wherein the top fixing bracket has mounting holes on a side surface thereof near the top of the bracket, mounting plates are vertically provided at both ends of the bus bar, the mounting plates are disposed downward, and the mounting plates have positioning holes corresponding to the mounting holes.
8. The battery module fastening device according to claim 7, wherein the top of the end plate is U-shaped, and the recess of the top of the end plate is opposite to the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022253937.3U CN213026328U (en) | 2020-10-12 | 2020-10-12 | Battery module fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022253937.3U CN213026328U (en) | 2020-10-12 | 2020-10-12 | Battery module fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213026328U true CN213026328U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022253937.3U Active CN213026328U (en) | 2020-10-12 | 2020-10-12 | Battery module fastening device |
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| Country | Link |
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| CN (1) | CN213026328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259857A (en) * | 2020-10-12 | 2021-01-22 | 盐城国投中科新能源科技有限公司 | Battery module fastening device and installation method thereof |
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2020
- 2020-10-12 CN CN202022253937.3U patent/CN213026328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112259857A (en) * | 2020-10-12 | 2021-01-22 | 盐城国投中科新能源科技有限公司 | Battery module fastening device and installation method thereof |
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