CN107425156A - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN107425156A CN107425156A CN201610347857.XA CN201610347857A CN107425156A CN 107425156 A CN107425156 A CN 107425156A CN 201610347857 A CN201610347857 A CN 201610347857A CN 107425156 A CN107425156 A CN 107425156A
- Authority
- CN
- China
- Prior art keywords
- battery
- fixed plate
- battery modules
- fixed
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a battery module, including: a plurality of battery cells arranged in sequence along an arrangement direction; two fixing plates respectively located at both ends of the arrangement direction of the plurality of battery units; a plurality of fastening assemblies disposed at both sides of the two fixing plates in the up-down direction and connecting the two fixing plates in the arrangement direction to fix the plurality of battery cells between the two fixing plates; and the reinforcing component is positioned between the fastening component on the upper side of the fixing plate and the fastening component on the lower side of the fixing plate along the vertical direction, and two ends of the reinforcing component are respectively and fixedly connected to the two fixing plates along the arrangement direction. Because strengthen between the fastening components that the subassembly lies in the fastening components of fixed plate upside and fixed plate downside along upper and lower direction, so can further strengthen the intensity of two fixed plate fixed battery unit, prevent stress concentration in the upper and lower both sides of fixed plate, strengthen battery module's shock resistance, avoid battery unit not hard up in the use, improve battery module's stability.
Description
Technical field
The present invention relates to field of batteries, more particularly to a kind of battery modules.
Background technology
With the proposition of the related new energy laws and regulations of country, the development of new-energy automobile be alleviate the energy and
Environmental pressure, the important measure for promoting automobile industry sustainable development.New-energy automobile includes pure electronic vapour
Car, plug-in hybrid-power automobile, hybrid vehicle etc..Wherein pure electric automobile is completely by battery
The automobile of power source is provided, it is small with its environmental pollution, and course continuation mileage is long the advantages of, have good
Application prospect.
Pure electric automobile is due to the more electricity of demand, and voltage needs to match with motor, therefore usually requires
Parallel connection is carried out between battery, while battery bag energy is improved, does not improve the voltage of battery bag.
When two or more battery units are combined into battery pack, it is difficult to maintain the chi of battery pack
Very little stability, when battery pack is by strong external impact and vibration, battery unit produces pine in battery pack
Dynamic, as a result the security of battery pack and durability reduce.
In recent years, battery module requirement is manufactured into as small as possible size and weight.Therefore, it is possible to by with
Stack to high integration and prismatic battery or pouch type battery with small weight and capacity ratio lead to
Often it is used as medium-sized or large-sized battery module battery unit (element cell).
Generally, multiple battery units are stacked and form battery module using stay bolt fixation.Due to
Fixing hole is typically provided at upper and lower ends, and stress is concentrated mainly on the upper and lower ends of battery, easily caused
Battery pack is integrally-built unstable.
The content of the invention
In view of problem present in background technology, it is an object of the invention to provide a kind of battery modules, its
It is avoided that battery unit loosens in use, improves the structural stability of battery modules.
To achieve these goals, the invention provides a kind of battery modules, it includes:Multiple battery lists
Member, it is sequentially arranged along orientation;Two fixed plates, respectively positioned at the arrangement of the multiple battery unit
The both ends in direction;Multiple fastening assemblies, it is arranged on the both sides of the above-below direction of two fixed plates and along arrangement
Direction connects described two fixed plates, and the multiple battery unit is fixed between two fixed plates;
And stiffener assembly, the fastening assembly on the upside of fixed plate and the fastening on the downside of fixed plate along the vertical direction
Between component and both ends are respectively fixedly connected with two fixed plates along orientation.
Beneficial effects of the present invention are as follows:
In the battery module according to the present invention, multiple fastening assemblies can connect from the both sides of above-below direction
Two fixed plates, and then multiple battery units between two fixed plates are gripped, simultaneously as plus
Strong component along the vertical direction the fastening assembly on the upside of fixed plate and the fastening assembly on the downside of fixed plate it
Between, so can further strengthen the intensity of two fixed plate self-contained battery units, prevent stress concentration from existing
The both sides up and down of fixed plate, strengthen the impact resistance of battery modules, avoid battery unit using process
Middle loosening, improve the stability of battery modules.
Brief description of the drawings
Fig. 1 is the exploded view according to the battery modules of the present invention;
Fig. 2 is the stereogram according to battery modules of the invention, and only shows one of battery unit;
Fig. 3 is the stereogram according to the fixed plate of the battery modules of the present invention;
Fig. 4 is the stereogram according to the battery unit of the battery modules of the present invention.
Wherein, description of reference numerals is as follows:
The depressed part of 1 battery unit 23
The fastening assembly of 11 cell 3
The fastening screw of 12 framework 31
The clamp nut of 121 through hole 32
The stiffener assembly of 122 recess 4
The attachment screw of 123 convex portion 41
The connecting rod of 13 thermally conductive sheet 42
131 recess D orientations
2 fixed plate F fore-and-aft directions
21 fastener hole U above-below directions
22 connecting holes
Embodiment
With reference to the accompanying drawings come describe in detail the present invention battery modules.
Referring to figs. 1 to Fig. 4, included according to the battery modules of the present invention:Multiple battery units 1, along row
Column direction D is sequentially arranged;Two fixed plates 2, respectively positioned at the arrangement side of the multiple battery unit 1
To D both ends;Multiple fastening assemblies 3, it is arranged on the above-below direction U both sides of two fixed plates 2 simultaneously
Along the described two fixed plates 2 of orientation D connections, the multiple battery unit 1 is fixed on two
Between fixed plate 2;And stiffener assembly 4, along the vertical direction U be located at the fastening group of the upside of fixed plate 2
Between part 3 and the fastening assembly 3 of the downside of fixed plate 2 and both ends along orientation D be respectively fixedly connected with
Two fixed plates 2.
In the battery module according to the present invention, multiple fastening assemblies 3 can be from above-below direction U both sides
Two fixed plates 2 are connected, and then grip multiple battery units 1 between two fixed plates 2, together
When, due to stiffener assembly 4, U is located at fastening assembly 3 and fixed plate on the upside of fixed plate 2 along the vertical direction
Between the fastening assembly 3 of 2 downsides, so can further strengthen two self-contained battery units of fixed plate 2
1 intensity, stress concentration is prevented in the both sides up and down of fixed plate 2, strengthen the shock resistance energy of battery modules
Power, avoid battery unit from loosening in use, improve the stability of battery modules.
In an embodiment of the battery modules according to the present invention, reference picture 3, each fixed plate 2 is at four
Edge is provided with fastener hole 21.
In an embodiment of the battery modules according to the present invention, reference picture 2, fastening assembly 3 includes:
Fastening screw 31, it is arranged in the fastener hole 21 of two fixed plates 2;And clamp nut 32, screw thread
It is connected to one end of fastening screw 31.
In an embodiment of the battery modules according to the present invention, reference picture 3, each fixed plate 2, which is provided with, to be supplied
The connecting hole 22 that stiffener assembly 4 is worn.
In an embodiment of the battery modules according to the present invention, reference picture 3, the connection of each fixed plate 2
Hole 22 is arranged at least side of the F both sides along the longitudinal direction of fixed plate 2, and prolongs along orientation D
Stretch.
According to the present invention battery modules an embodiment in, each fixed plate 2 along the longitudinal direction F one
Side is provided with multiple connecting holes 22;The multiple connecting hole 22 is along fixed plate 2 in above-below direction U center
Setting symmetrical above and below.
In an embodiment of the battery modules according to the present invention, reference picture 3, each fixed plate 2 is along front and rear
Direction F side is provided with a connecting hole 22;One connecting hole 22 is arranged on fixed plate 2 upper
Lower direction U center.
In an embodiment of the battery modules according to the present invention, reference picture 2, stiffener assembly 4 includes:
Attachment screw 41, it is fixed in the connecting hole 22 of fixed plate 2;And connecting rod 42, both ends are via even
Screw 41 is connect to be separately fixed in corresponding fixed plate 2.Connecting rod 42 can be both ends as indicated with 2
The sheet material of bending but can also be not restricted to this such as the bar that both ends are bent, and it is any suitable to use
Shape and structure.
In an embodiment of the battery modules according to the present invention, reference picture 4, each battery unit 1 includes:
At least one cell 11;And two frameworks 12, it be combined with each other, houses simultaneously securing unit battery
11。
In an embodiment of the battery modules according to the present invention, reference picture 4, each framework 12 has for tight
Gu the through hole 121 that component 3 is worn.
In an embodiment of the battery modules according to the present invention, reference picture 4, one in two frameworks 12
It is individual to be provided with recess 122, and another in two frameworks 12 is provided with the convex portion engaged with recess 122
123。
In an embodiment of the battery modules according to the present invention, reference picture 4, each battery unit 1 also wraps
Include:Thermally conductive sheet 13, it is folded between two frameworks 12 and contacts the corresponding monomer electricity of battery unit 1
Pond 11.
In an embodiment of the battery modules according to the present invention, reference picture 4, thermally conductive sheet 13 has for adding
The recess 131 that strong component 4 assembles.
In an embodiment of the battery modules according to the present invention, reference picture 3, each fixed plate 2, which has, to be supplied
The depressed part 23 that stiffener assembly 4 assembles.
In an embodiment of the battery modules according to the present invention, reference picture 2, stiffener assembly 4 is assembling
Afterwards, the outer surface of stiffener assembly 4, fixed plate 2 with stiffener assembly 4 be in the same side outer surface,
The outer surface that the same side is in stiffener assembly 4 of thermally conductive sheet 13 flushes.
Claims (10)
1. a kind of battery modules, including:
Multiple battery units (1), are sequentially arranged along orientation (D);
Two fixed plates (2), respectively positioned at the orientation (D) of the multiple battery unit (1)
Both ends;And
Multiple fastening assemblies (3), it is arranged on the both sides of the above-below direction (U) of two fixed plates (2)
And described two fixed plates (2) are connected along orientation (D), by the multiple battery unit (1)
It is fixed between two fixed plates (2);
Characterized in that,
The battery modules also include:
Stiffener assembly (4), along the vertical direction (U) be located at the fastening assembly (3) on the upside of fixed plate (2)
Between the fastening assembly (3) on the downside of fixed plate (2) and both ends are fixed respectively along orientation (D)
It is connected to two fixed plates (2).
2. battery modules according to claim 1, it is characterised in that each fixed plate (2) is at four
Edge is provided with fastener hole (21).
3. battery modules according to claim 2, it is characterised in that fastening assembly (3) includes:
Fastening screw (31), it is arranged in the fastener hole (21) of two fixed plates (2);And
Clamp nut (32), it is threadedly connected to one end of fastening screw (31).
4. battery modules according to claim 1, it is characterised in that each fixed plate (2), which is provided with, to supply
The connecting hole (22) that stiffener assembly (4) is worn.
5. battery modules according to claim 4, it is characterised in that the connection of each fixed plate (2)
Hole (22) is arranged at least side of fixed plate (2) both sides of (F) along the longitudinal direction, and along arrangement
Direction (D) extends.
6. the battery modules according to claim 4 or 5, it is characterised in that stiffener assembly (4) wraps
Include:
Attachment screw (41), it is fixed in the connecting hole (22) of fixed plate (2);And
Connecting rod (42), both ends are separately fixed at corresponding fixed plate (2) via attachment screw (41)
On.
7. battery modules according to claim 1, it is characterised in that each battery unit (1) includes:
At least one cell (11);And
Two frameworks (12), it be combined with each other, houses simultaneously securing unit battery (11).
8. battery modules according to claim 7, it is characterised in that each framework (12), which has, to supply
The through hole (121) that fastening assembly (3) is worn.
9. battery modules according to claim 7, it is characterised in that each battery unit (1) is also wrapped
Include:
Thermally conductive sheet (13), it is folded between two frameworks (12) and contacts pair of battery unit (1)
The cell (11) answered.
10. battery modules according to claim 9, it is characterised in that stiffener assembly (4) is filling
After matching somebody with somebody, the outer surface of stiffener assembly (4), fixed plate (2) with stiffener assembly (4) are in same
The outer surface of side, the outer surface that the same side is in stiffener assembly (4) of thermally conductive sheet (13) flush.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610347857.XA CN107425156A (en) | 2016-05-23 | 2016-05-23 | Battery module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610347857.XA CN107425156A (en) | 2016-05-23 | 2016-05-23 | Battery module |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107425156A true CN107425156A (en) | 2017-12-01 |
Family
ID=60422453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610347857.XA Pending CN107425156A (en) | 2016-05-23 | 2016-05-23 | Battery module |
Country Status (1)
Country | Link |
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CN (1) | CN107425156A (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074728A (en) * | 2009-11-19 | 2011-05-25 | Sb锂摩托有限公司 | Battery pack, vehicle, and method for securing battery pack and method for forming battery pack |
JP2012089478A (en) * | 2010-10-20 | 2012-05-10 | Energy Control Ltd | Collective battery with heat dissipation structure |
CN102593388A (en) * | 2010-12-04 | 2012-07-18 | 三洋电机株式会社 | Battery pack and vehicle including the same |
CN102881846A (en) * | 2011-07-13 | 2013-01-16 | 北汽福田汽车股份有限公司 | Battery module |
CN203491319U (en) * | 2013-09-17 | 2014-03-19 | 上海卡耐新能源有限公司 | Battery pack structure |
KR20150000090A (en) * | 2013-06-24 | 2015-01-02 | 주식회사 엘지화학 | Battery Module with Pressing Bracket |
CN204130659U (en) * | 2013-12-17 | 2015-01-28 | 天津力神特种电源科技有限公司 | A kind of Li-ion batteries piles |
CN104494410A (en) * | 2014-12-30 | 2015-04-08 | 重庆长安汽车股份有限公司 | Mounting structure for power battery modules for blade electric vehicles |
CN104576999A (en) * | 2015-01-14 | 2015-04-29 | 重庆长安汽车股份有限公司 | Electric car and power battery pack |
CN105514330A (en) * | 2016-02-23 | 2016-04-20 | 深圳普益电池科技有限公司 | Lithium battery pack |
CN205645948U (en) * | 2016-05-23 | 2016-10-12 | 宁德时代新能源科技股份有限公司 | Battery module |
-
2016
- 2016-05-23 CN CN201610347857.XA patent/CN107425156A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074728A (en) * | 2009-11-19 | 2011-05-25 | Sb锂摩托有限公司 | Battery pack, vehicle, and method for securing battery pack and method for forming battery pack |
JP2012089478A (en) * | 2010-10-20 | 2012-05-10 | Energy Control Ltd | Collective battery with heat dissipation structure |
CN102593388A (en) * | 2010-12-04 | 2012-07-18 | 三洋电机株式会社 | Battery pack and vehicle including the same |
CN102881846A (en) * | 2011-07-13 | 2013-01-16 | 北汽福田汽车股份有限公司 | Battery module |
KR20150000090A (en) * | 2013-06-24 | 2015-01-02 | 주식회사 엘지화학 | Battery Module with Pressing Bracket |
CN203491319U (en) * | 2013-09-17 | 2014-03-19 | 上海卡耐新能源有限公司 | Battery pack structure |
CN204130659U (en) * | 2013-12-17 | 2015-01-28 | 天津力神特种电源科技有限公司 | A kind of Li-ion batteries piles |
CN104494410A (en) * | 2014-12-30 | 2015-04-08 | 重庆长安汽车股份有限公司 | Mounting structure for power battery modules for blade electric vehicles |
CN104576999A (en) * | 2015-01-14 | 2015-04-29 | 重庆长安汽车股份有限公司 | Electric car and power battery pack |
CN105514330A (en) * | 2016-02-23 | 2016-04-20 | 深圳普益电池科技有限公司 | Lithium battery pack |
CN205645948U (en) * | 2016-05-23 | 2016-10-12 | 宁德时代新能源科技股份有限公司 | Battery module |
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