CN106601958B - Fixing structure of battery module - Google Patents
Fixing structure of battery module Download PDFInfo
- Publication number
- CN106601958B CN106601958B CN201710075477.XA CN201710075477A CN106601958B CN 106601958 B CN106601958 B CN 106601958B CN 201710075477 A CN201710075477 A CN 201710075477A CN 106601958 B CN106601958 B CN 106601958B
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- plate
- limiting
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- matching
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a fixing structure of a battery module, which comprises a plurality of battery modules, a plurality of limiting pieces, a plurality of module end plates, a plurality of fixing beams and a plurality of bolts, wherein the limiting pieces are arranged on the fixing beams; each limiting piece comprises a pressing plate, two connecting plates and two limiting plates, and one side of each limiting plate far away from the connecting plate extends to a direction far away from the connecting plate to form two limiting sheets; each module end plate comprises a fixed plate and a matching plate formed by extending from one side of the fixed plate, and a plurality of first matching holes and a plurality of second matching holes are formed in the matching plate; each fixed beam comprises a pair of side plates and a top plate connected with the side plates, and a plurality of first limiting holes are formed in the top plate; according to the fixing structure of the battery module, the module end plate of the battery module is fixed on the fixing beam through the limiting piece, the module end plate can be effectively clamped, the contact pressure between the limiting piece and the module end plate is reduced, the operation is simple, the structure is stable, the fixing effect is good, and the vibration resistance is strong.
Description
[ field of technology ]
The invention relates to the technical field of electric automobiles, in particular to a fixing structure of a battery module.
[ background Art ]
In recent years, new energy automobiles have been increasingly developed in the market, and the market specific gravity of new energy batteries has been rapidly increased. In production, the structural requirements of the new energy battery pack are correspondingly different for different vehicle types. For increasingly large low chassis household vehicle models on the market, the volume and energy density of the battery pack are major factors affecting the performance thereof. The plurality of battery modules forming the battery pack are fixed by means of bolts locking square aluminum, flatness of end plates of the modules is inconsistent due to machining and assembly, surface-to-surface contact of the square aluminum and the end plates is changed into line-to-line contact, and fixing effect is poor; the accumulation of various errors causes overlarge space between the battery modules, the effective contact area is smaller when the square aluminum is pressed, and the locking effect is poor; the friction force generated by square aluminum is small, the battery module has a certain movable space on the fixed surface, and the fixing effect is poor; the square aluminum is in rigid connection with the module end plate, the square aluminum is easy to deform under stress, and the risk of fixing failure exists.
[ invention ]
The invention aims to provide a fixing structure of a battery module, which can effectively clamp the module end plate, has the advantages of reduced contact pressure, simple operation, stable structure, good fixing effect and strong vibration resistance.
In order to achieve the above object, the present invention provides a fixing structure of a battery module, including a plurality of battery modules, a plurality of limiting members, a plurality of module end plates, a plurality of fixing beams and a plurality of bolts; two sides of each battery module are respectively provided with a module end plate; each limiting piece comprises a pressing plate, two connecting plates and two limiting plates, one side of each connecting plate is connected with one side of the pressing plate, the other side of each connecting plate is connected with one of the limiting plates, and one side of each limiting plate away from the connecting plate extends to a direction away from the connecting plate to form two limiting sheets; each module end plate comprises a fixed plate and a matching plate formed by extending from one side of the fixed plate, wherein a plurality of first matching holes and a plurality of second matching holes matched with the limiting piece are formed in the matching plate; each fixed beam comprises a pair of side plates and a top plate connected with the side plates, and a plurality of limiting holes corresponding to the first matching holes are formed in the top plate; the matching plates of the module end plates of the adjacent battery modules are abutted against and abutted against the top plate of the fixed beam, wherein the limiting pieces of a part of limiting pieces penetrate through a corresponding first matching hole and a corresponding limiting hole, the two limiting pieces of the other limiting pieces penetrate through a corresponding second matching hole and are clamped outside a pair of side plates, and each bolt sequentially penetrates through a corresponding limiting piece, the module end plate and the fixed beam to fix the battery modules on the fixed beam.
In a preferred embodiment, the two limiting plates are parallel to each other and are perpendicular to the pressure plate; the limiting piece is of a trapezoid structure, and the width of the limiting piece gradually decreases from one side close to the connecting plate to one side far away from the connecting plate.
In a preferred embodiment, the device further comprises a plurality of elastic pads, wherein the elastic pads are arranged between the bolts and the pressing plates of the limiting pieces.
In a preferred embodiment, the pressing plate is provided with a plurality of through holes matched with the bolts; the matching plate is also provided with a plurality of semicircular holes matched with the bolts, and two semicircular holes corresponding to the matching plates of the module end plates of two adjacent battery modules form a circular hole; a plurality of fixing holes corresponding to the semicircular holes are formed in the top plate; each bolt sequentially passes through a corresponding elastic pad, a through hole, a round hole and a fixing hole, so that the battery module is fixed on the fixing beam.
In a preferred embodiment, the first mating hole and the second mating hole are perpendicular to each other.
In a preferred embodiment, the plurality of battery modules are accommodated in a battery case; each fixed beam is fixed on the bottom plate of the battery box through one side of the pair of side plates away from the top plate.
In a preferred embodiment, the battery pack further comprises a vibration reduction pad, wherein the vibration reduction pad is a silica gel pad and is arranged between the battery box bottom plate and the battery module.
In a preferred embodiment, the mating plate is perpendicular to the fixed plate.
According to the fixing structure of the battery module, the module end plate of the battery module is fixed on the fixing beam through the limiting piece, the module end plate can be effectively clamped, the contact pressure between the limiting piece and the module end plate is reduced, the operation is simple, the structure is stable, the fixing effect is good, and the vibration resistance is strong.
[ description of the drawings ]
Fig. 1 is a perspective view of a fixing structure of a battery module according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the area a shown in fig. 1.
Fig. 3 is an assembly view of the retainer, module end plate, fixed beam, bolt and spring pad shown in fig. 1.
Fig. 4 is an exploded view of the retainer, module end plate, fixed beam and bolt shown in fig. 1.
Fig. 5 is an enlarged schematic view of the area B shown in fig. 4.
Fig. 6 is a perspective view of the module end plate shown in fig. 1.
Fig. 7 is a perspective view of the limiter shown in fig. 1.
[ detailed description ] of the invention
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
Referring to fig. 1 to 3, the fixing structure 100 of a battery module according to the present invention includes a plurality of battery modules 10, a plurality of limiting members 20, a plurality of module end plates 30, a plurality of fixing beams 40, and a plurality of bolts 50.
The plurality of battery modules 10 are accommodated in a battery case. Each battery module 10 is a battery pack formed of a plurality of unit cells connected in series-parallel by means of a bracket, and supplies power for the rotation of the motor.
Referring to fig. 7, each limiting member 20 includes a pressing plate 21, two connecting plates 22 and two limiting plates 23. The pressing plate 21 is provided with a plurality of through holes 211 matched with the bolts 50. One side of each connecting plate 22 is connected with one side of the pressing plate 21, and the other side is connected with one limiting plate 23. The two connection plates 22 of the limiting member 20 are parallel to each other. Each limiting plate 23 extends away from the connecting plate 22 to form two limiting plates 231 in a direction away from the connecting plate 22. The limiting piece 231 has a trapezoid structure, and the width of the limiting piece is gradually reduced from one side close to the connecting plate 22 to one side far away from the connecting plate 22. The two limiting plates 23 are parallel to each other and are perpendicular to the pressing plate 21.
Referring to fig. 4 to 6, each module end plate 30 includes a fixing plate 31 and a mating plate 32 extending from one side of the fixing plate 31. The fitting plate 32 is perpendicular to the fixing plate 31. The engaging plate 32 is provided with a plurality of first engaging holes 321 and a plurality of second engaging holes 322 which are engaged with the limiting plate 231. The first mating hole 321 and the second mating hole 322 are perpendicular to each other. The engaging plate 32 is further provided with a plurality of semicircular holes 323 which are engaged with the bolts 50. Two sides of each battery module 10 are respectively provided with a module end plate 30, that is, each of two sides of each battery module 10 is provided with a module end plate 30. Each module end plate 30 is fixed to the battery module 10 by the fixing plate 31 on a side facing away from the mating plate 32.
Referring to fig. 4 and 5 again, each fixing beam 40 includes a pair of side plates 41 and a top plate 42 connecting the pair of side plates 41. The top plate 42 is provided with a plurality of limiting holes 421 corresponding to the first matching holes 321 and a plurality of fixing holes 422 corresponding to the semicircular holes 323. The limiting hole 421 is disposed near the fixing hole 422. A nut is disposed on a side of the fixing hole 422 adjacent to the side plate 41. Each fixing beam 40 is fixed to the bottom plate of the battery box through one side of the pair of side plates 41 away from the top plate 42.
Referring to fig. 2, the fixing structure 100 of the battery module further includes a vibration-damping pad 60 and a plurality of elastic pads 70. The vibration absorbing pad 60 is a silica gel pad, and is disposed between the battery box bottom plate and the battery module 10, so as to reduce vibration during running of the vehicle and improve the working environment of the battery module 10. The elastic pad 70 is disposed between the bolt 50 and the pressing plate 21 of the limiting member 20, and serves to prevent the bolt 50 from loosening and to eliminate vibration of the battery module 10.
Referring to fig. 1 and 3, during assembly, the module end plates 30 are fixed on both sides of the battery module 10, the vibration absorbing pad 60 is fixed between the battery bottom plate and the battery module 10, the fixing beam 40 is fixed on the battery bottom plate, the mating plates 32 of the module end plates 30 of two adjacent battery modules 10 are abutted against the top plate 42 of the fixing beam 40, two semicircular holes 323 corresponding to the mating plates 32 of the module end plates 30 of two adjacent battery modules 10 form a circular hole, the limiting pieces 231 of one of the limiting pieces 20 pass through a corresponding first mating hole 321 and a corresponding limiting hole 421, the two limiting pieces 231 of the other limiting piece 20 pass through a corresponding second mating hole 322 and the two limiting pieces 231 are clamped outside the pair of side plates 41, finally each elastic pad 70 is placed on a corresponding through hole 211, and each bolt 50 passes through a corresponding elastic pad 70, the through hole 211, the circular hole, the fixing hole 422 and the corresponding semicircular holes 323 on one side of the fixing hole 422, and the first mating hole 321 of the fixing hole 40 sequentially moves the limiting pieces 20 on the first die set 40.
According to the fixing structure 100 of the battery module, the module end plate 30 of the battery module 10 is fixed on the fixing beam 40 through the limiting piece 20, so that the module end plate 30 can be effectively clamped, the contact pressure between the limiting piece 20 and the module end plate 30 is reduced, the operation is simple, the structure is stable, the fixing effect is good, and the vibration resistance is strong.
The present invention is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the invention is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (6)
1. A fixing structure of a battery module is characterized in that: the device comprises a plurality of battery modules, a plurality of limiting pieces, a plurality of module end plates, a plurality of fixing beams and a plurality of bolts; two sides of each battery module are respectively provided with a module end plate; each limiting piece comprises a pressing plate, two connecting plates and two limiting plates, one side of each connecting plate is connected with one side of the pressing plate, the other side of each connecting plate is connected with one of the limiting plates, and one side of each limiting plate away from the connecting plate extends to a direction away from the connecting plate to form two limiting sheets; each module end plate comprises a fixed plate and a matching plate formed by extending from one side of the fixed plate, wherein a plurality of first matching holes and a plurality of second matching holes matched with the limiting piece are formed in the matching plate; each fixed beam comprises a pair of side plates and a top plate connected with the side plates, and a plurality of limiting holes corresponding to the first matching holes are formed in the top plate; the matching plates of the module end plates of the adjacent battery modules are abutted against and abutted against the top plate of the fixed beam, wherein a part of limiting pieces of the limiting pieces penetrate through a corresponding first matching hole and a corresponding limiting hole, two limiting pieces of the other limiting pieces penetrate through a corresponding second matching hole and are clamped outside a pair of side plates, and each bolt sequentially penetrates through a corresponding limiting piece, the module end plate and the fixed beam to fix the battery modules on the fixed beam;
the fixing structure of the battery module further comprises a plurality of elastic pads, wherein the elastic pads are arranged between the bolts and the pressing plates of the limiting pieces;
the pressing plate is provided with a plurality of through holes matched with the bolts; the matching plate is also provided with a plurality of semicircular holes matched with the bolts, and two semicircular holes corresponding to the matching plates of the module end plates of two adjacent battery modules form a circular hole; a plurality of fixing holes corresponding to the semicircular holes are formed in the top plate; each bolt sequentially passes through a corresponding elastic pad, a through hole, a round hole and a fixing hole, so that the battery module is fixed on the fixing beam.
2. The fixing structure of a battery module according to claim 1, wherein: the two limiting plates are parallel to each other and are perpendicular to the pressing plate; the limiting piece is of a trapezoid structure, and the width of the limiting piece gradually decreases from one side close to the connecting plate to one side far away from the connecting plate.
3. The fixing structure of a battery module according to claim 1, wherein: the first matching hole and the second matching hole are mutually perpendicular.
4. The fixing structure of a battery module according to claim 1, wherein: the battery modules are accommodated in the battery box; each fixed beam is fixed on the bottom plate of the battery box through one side of the pair of side plates away from the top plate.
5. The fixing structure of a battery module according to claim 4, wherein: the battery pack also comprises a vibration reduction pad, wherein the vibration reduction pad is a silica gel pad and is arranged between the battery box bottom plate and the battery module.
6. The fixing structure of a battery module according to claim 1, wherein: the mating plate is perpendicular to the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075477.XA CN106601958B (en) | 2017-02-13 | 2017-02-13 | Fixing structure of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075477.XA CN106601958B (en) | 2017-02-13 | 2017-02-13 | Fixing structure of battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106601958A CN106601958A (en) | 2017-04-26 |
| CN106601958B true CN106601958B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710075477.XA Active CN106601958B (en) | 2017-02-13 | 2017-02-13 | Fixing structure of battery module |
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| Country | Link |
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| CN (1) | CN106601958B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248557A (en) * | 2017-07-03 | 2017-10-13 | 江苏银基烯碳能源科技有限公司 | A kind of battery case |
| JP7300678B2 (en) * | 2017-07-28 | 2023-06-30 | パナソニックＩｐマネジメント株式会社 | Combined Battery Modules and Combined Battery Packs |
| CN207818678U (en) | 2017-12-28 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Shell, battery modules and battery pack |
| CN111106282B (en) * | 2019-08-27 | 2021-06-11 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN111106279B (en) * | 2019-08-02 | 2022-11-08 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN112151709A (en) | 2019-06-27 | 2020-12-29 | 宁德时代新能源科技股份有限公司 | Battery pack and vehicle |
| CN210576067U (en) * | 2019-08-09 | 2020-05-19 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN218385558U (en) * | 2022-09-30 | 2023-01-24 | 中创新航科技股份有限公司 | Battery module and battery package |
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| TWM291604U (en) * | 2005-12-21 | 2006-06-01 | Inventec Corp | Fixing structure of the battery module |
| CN201074808Y (en) * | 2007-07-18 | 2008-06-18 | 重庆科技学院 | Transverse coupling and compensating device of incineration furnace grate tablet |
| CN101685873A (en) * | 2008-09-27 | 2010-03-31 | 三洋电机株式会社 | Battery system |
| DE102011000693A1 (en) * | 2011-02-14 | 2012-08-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electrical energy storage of a motor vehicle |
| CN104786807A (en) * | 2015-04-17 | 2015-07-22 | 重庆长安汽车股份有限公司 | Automobile and battery pack thereof |
| CN204991806U (en) * | 2015-09-15 | 2016-01-20 | 北京普莱德新能源电池科技有限公司 | Rectangular cell module |
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2017
- 2017-02-13 CN CN201710075477.XA patent/CN106601958B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM291604U (en) * | 2005-12-21 | 2006-06-01 | Inventec Corp | Fixing structure of the battery module |
| CN201074808Y (en) * | 2007-07-18 | 2008-06-18 | 重庆科技学院 | Transverse coupling and compensating device of incineration furnace grate tablet |
| CN101685873A (en) * | 2008-09-27 | 2010-03-31 | 三洋电机株式会社 | Battery system |
| DE102011000693A1 (en) * | 2011-02-14 | 2012-08-16 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Electrical energy storage of a motor vehicle |
| CN104786807A (en) * | 2015-04-17 | 2015-07-22 | 重庆长安汽车股份有限公司 | Automobile and battery pack thereof |
| CN204991806U (en) * | 2015-09-15 | 2016-01-20 | 北京普莱德新能源电池科技有限公司 | Rectangular cell module |
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| CN106601958A (en) | 2017-04-26 |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191031 Address after: 518000 Shenyu Science and Technology Park, No. 68 Lanjingbei Road, Laokeng Community, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province, 101 Applicant after: Shenzhen Anding New Energy Technology Development Co.,Ltd. Address before: 518000 Guangdong Province, Shenzhen City Pingshan Pingshan community Zhu Keng Industrial Zone 9 1-3 Applicant before: Shenzhen Optimum Battery Co.,Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 3C, building 5, qiaochengfang, 4080 Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen, Guangdong Applicant after: Baolixin (Shenzhen) new energy technology development Co.,Ltd. Address before: 518000 workshop 101, No. 3, Shenyu science and Technology Park, No. 68, Lanjing North Road, Laokeng community, Longtian street, Pingshan District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Anding New Energy Technology Development Co.,Ltd. |
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Effective date of registration: 20220301 Address after: 214100 No. 578-4, Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Applicant after: Baolixin (Wuxi) Power System Co.,Ltd. Address before: 518000 3C, building 5, qiaochengfang, 4080 Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen, Guangdong Applicant before: Baolixin (Shenzhen) new energy technology development Co.,Ltd. |
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