CN108428834A - A kind of power battery module structure - Google Patents
A kind of power battery module structure Download PDFInfo
- Publication number
- CN108428834A CN108428834A CN201810320588.7A CN201810320588A CN108428834A CN 108428834 A CN108428834 A CN 108428834A CN 201810320588 A CN201810320588 A CN 201810320588A CN 108428834 A CN108428834 A CN 108428834A
- Authority
- CN
- China
- Prior art keywords
- power battery
- module structure
- battery module
- carbon fiber
- structure according
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
Abstract
The invention belongs to power battery technology fields, more particularly to a kind of power battery module structure, include being connected and/or being connected in parallel the battery pack formed, the cushion pad being set between two neighboring single battery by multiple single batteries and be glued in the module framework outside the battery pack；The module framework includes two nonmetallic end plates and two carbon fiber side plates, two nonmetallic end plates are located at the both ends of the stacking direction of the battery pack, and two carbon fiber side plates are located at band, and there are two the both sides of the battery pack of the nonmetallic end plate.Compared with the prior art, modular structure of the invention is simple and reliable, and production cost is low.
Description
Technical field
The invention belongs to power battery technology field more particularly to a kind of power battery module structures.
Background technology
With the rise and development of new-energy automobile industry, the requirement of lightweight and low cost to electrokinetic cell system
Increase.Therefore to the simple and reliable for structure of battery modules, the requirement of lower price high efficiency is also being continuously increased.
Currently, if battery modules are typically stacked successively by dry cell, welded by both ends metal end plate and both sides metal side plate
It connects and to form frame and fix battery to form module.Usually, between metal end plate and battery pack and metal side plate and battery
Insulating trip can be added between group, although insulating trip plays the role of insulation, it makes the part of entire battery modules increase
Add, cost increases, and production process also increases.In addition, being typically using weldering between metal end plate and metal side plate and battery pack
The form connect is attached, and welding procedure is complex, and welding equipment is also complex, to increase production cost.
Invention content
It is an object of the invention to：In view of the deficiencies of the prior art, a kind of power battery module structure, structure letter are provided
Single reliable, production cost is low.
To achieve the goals above, the present invention uses following technical scheme：
A kind of power battery module structure includes connecting and/or being connected in parallel the battery pack formed, setting by multiple single batteries
Cushion pad and splicing between two neighboring single battery is in the module framework outside the battery pack；The module framework packet
Two nonmetallic end plates and two carbon fiber side plates are included, two nonmetallic end plates are located at the stacking side of the battery pack
To both ends, two carbon fiber side plates be located at band there are two the nonmetallic end plate battery pack both sides.
In the present invention, by battery pack and nonmetallic end plate and battery pack and carbon fiber side plate by way of splicing
It links together, forms modular structure, eliminate the insulating trip between original metal end plate and battery core, reduce parts,
Cost is reduced, process herein is saved.In addition, the module overwhelming majority passes through weldering using the type of attachment being glued compared to metal
Form connection is connect, adhesion process is relatively easy, simple using equipment, reduces production cost.
As a kind of improvement of power battery module structure of the present invention, the nonmetallic end plate is in itself and the electricity
The joint surface of pond group is provided with concave part, and the nonmetallic end plate is provided with protrusion on one side in opposite with the faying face.
The setting of concave part provides space to the expansion of battery, and the setting of lug boss enables both sides and carbon fiber side other than it
Plate carries out even closer splicing.
As a kind of improvement of power battery module structure of the present invention, the protrusion is arranged there are one hanging hole,
Both sides other than the protrusion are each provided with three the first locking holes.First locking hole is to be used for nonmetallic end plate and carbon fiber
The locking connection of side plate, quantity is set as three energy and so that locking effect is better, it is ensured that the fastness of module framework.
As a kind of improvement of power battery module structure of the present invention, in the left and right sides of the nonmetallic end plate
It is each provided with a mounting hole along its short transverse.
As a kind of improvement of power battery module structure of the present invention, the left and right sides of the nonmetallic end plate
Exterior angle is disposed as fillet.
As a kind of improvement of power battery module structure of the present invention, the both ends of the carbon fiber side plate are arranged
There is the second locking hole coordinated with first locking hole.First locking hole is used to coordinate with to nonmetallic end with the first locking hole
Plate carries out locking with carbon fiber side plate and connects.
As a kind of improvement of power battery module structure of the present invention, the both ends of the carbon fiber side plate are arranged
There is the bending part to match with the fillet.
As a kind of improvement of power battery module structure of the present invention, the carbon fiber side plate is in itself and the electricity
Pond group contact is provided with insulating resin film layer on one side.
As a kind of improvement of power battery module structure of the present invention, the thickness of the carbon fiber side plate is 0.8-
1.5mm.Preferably 1mm..
Further include metal tube as a kind of improvement of power battery module structure of the present invention, the metal tube peace
Loaded in the mounting hole.Metal tube is arranged in the mounting hole of nonmetallic end plate, strengthens the intensity of nonmetallic end plate, to
Ensure the stability of entire battery module structure.
The beneficial effects of the present invention are：The present invention provides a kind of power battery module structure, including by multiple monomers electricity
Pond connect and/or be connected in parallel the battery pack to be formed, the cushion pad being set between two neighboring single battery and be glued in
Module framework outside the battery pack；The module framework includes two nonmetallic end plates and two carbon fiber side plates, two institutes
The both ends that nonmetallic end plate is located at the stacking direction of the battery pack are stated, two carbon fiber side plates are located at and carry
The both sides of the battery pack of two nonmetallic end plates.Compared with the prior art, modular structure of the invention is simple and reliable, production
It is at low cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of nonmetallic end plate in the present invention.
Fig. 3 is the structural schematic diagram of carbon fiber side plate in the present invention.
Wherein：1- single batteries, 2- cushion pads, 3- module frameworks, the nonmetallic end plates of 4-, 5- carbon fiber side plates, 6- metals
Pipe, 41- concave parts, 42- protrusions, 43- hanging holes, the first locking holes of 44-, 45- mounting holes, 46- fillets, the second locking holes of 51-,
52- bending parts.
Specific implementation mode
With reference to embodiment and Figure of description, the present invention is described in further detail, but the present invention
Embodiment be not limited to this.
As shown in Fig. 1 ~ 3, a kind of power battery module structure, including connected and/or be connected in parallel by multiple single batteries 1
The battery pack of formation, the cushion pad 2 being set between two neighboring single battery 1 and splicing are in the module framework outside battery pack
3；Module framework 3 includes two nonmetallic end plates 4 and two carbon fiber side plates 5, and two nonmetallic end plates 4 are located at battery pack
Stacking direction both ends, two carbon fiber side plates 5 be located at band there are two nonmetallic end plate 4 battery pack both sides.
Wherein, 4 preferred glass fiber material of nonmetallic end plate.Carbon fiber side plate 5 is made of carbon fibre material, carbon fiber
There are good performance, tensile strength to reach 1900MPa, bending strength 1500MPa.
Further, nonmetallic end plate 4 is provided with concave part 41 on the joint surface of itself and battery pack, and nonmetallic end plate 4 exists
Opposite with faying face is provided with protrusion 42 on one side.The setting of protrusion 42 is there are one hanging hole 43, the both sides other than protrusion 42
It is each provided with three the first locking holes 44.
Further, in the left and right sides of nonmetallic end plate 4 mounting hole 45 is each provided with along its short transverse.
Further, the exterior angle of the left and right sides of nonmetallic end plate 4 is disposed as fillet 46.
Further, the both ends of carbon fiber side plate 5 are provided with the second locking hole 51 coordinated with the first locking hole 44.
Further, the both ends of carbon fiber side plate 5 are provided with the bending part 52 to match with fillet 46.
Further, what carbon fiber side plate 5 was contacted at it with battery pack is provided with insulating resin film layer on one side.
Further, the thickness of carbon fiber side plate 5 is 0.8-1.5mm.Preferably 1mm.
The invention also includes metal tube 6, metal tube 6 is installed in mounting hole 45.Metal tube 6 can be according to nonmetallic end plate 4
The intensity selection of selected materials has or nothing.Metal tube 6 is generally aluminum pipe.
It should be noted that in the modular structure of the present invention, matching between nonmetallic end plate 4 and carbon fiber side plate 5
It closes structure and may be embodied as other form, if carbon fiber side plate 5 does not have a bending part 52, but one piece of straight panel and nonmetallic end plate
4 sides are bonded, and preferably have the type of attachment of bending part 52；Connection is locked between nonmetallic end plate 4 and carbon fiber side plate 5
Form can be riveting, screw connection or direct bonding, and it can also be the nonmetallic of similar structures that rivet, which can be metal,
Part.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in above-mentioned specific implementation mode, every those skilled in the art exist
Made any conspicuously improved, replacement or modification all belongs to the scope of protection of the present invention on the basis of the present invention.This
Outside, although having used some specific terms in this specification, these terms are merely for convenience of description, not to the present invention
Constitute any restrictions.
Claims (10)
1. a kind of power battery module structure, it is characterised in that：It is formed including being connected and/or being connected in parallel by multiple single batteries
Battery pack, the cushion pad that is set between two neighboring single battery and be glued in the module framework outside the battery pack；
The module framework includes two nonmetallic end plates and two carbon fiber side plates, and two nonmetallic end plates are located at described
The both ends of the stacking direction of battery pack, two carbon fiber side plates are located at band, and there are two the batteries of the nonmetallic end plate
The both sides of group.
2. power battery module structure according to claim 1, it is characterised in that：The nonmetallic end plate its with it is described
The joint surface of battery pack is provided with concave part, and the nonmetallic end plate is provided with protrusion on one side in opposite with the faying face
Portion.
3. power battery module structure according to claim 2, it is characterised in that：There are one hang for the protrusion setting
Hole, the both sides other than the protrusion are each provided with three the first locking holes.
4. power battery module structure according to claim 1, it is characterised in that：In the left and right two of the nonmetallic end plate
Side is each provided with a mounting hole along its short transverse.
5. power battery module structure according to claim 1, it is characterised in that：The left and right sides of the nonmetallic end plate
Exterior angle be disposed as fillet.
6. power battery module structure according to claim 3, it is characterised in that：The both ends of the carbon fiber side plate are set
It is equipped with the second locking hole coordinated with first locking hole.
7. power battery module structure according to claim 5, it is characterised in that：The both ends of the carbon fiber side plate are set
It is equipped with the bending part to match with the fillet.
8. power battery module structure according to claim 1, it is characterised in that：The carbon fiber side plate its with it is described
Battery pack contact is provided with insulating resin film layer on one side.
9. power battery module structure according to claim 1, it is characterised in that：The thickness of the carbon fiber side plate is
0.8-1.5mm。
10. power battery module structure according to claim 4, it is characterised in that：Further include metal tube, the metal tube
It is installed in the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320588.7A CN108428834A (en) | 2018-04-11 | 2018-04-11 | A kind of power battery module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320588.7A CN108428834A (en) | 2018-04-11 | 2018-04-11 | A kind of power battery module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108428834A true CN108428834A (en) | 2018-08-21 |
Family
ID=63160934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320588.7A Pending CN108428834A (en) | 2018-04-11 | 2018-04-11 | A kind of power battery module structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108428834A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3703153A1 (en) * | 2019-02-26 | 2020-09-02 | Contemporary Amperex Technology Co., Limited | Battery module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203325984U (en) * | 2013-04-17 | 2013-12-04 | 宁德时代新能源科技有限公司 | Battery module and end plates for same |
| CN205828474U (en) * | 2016-07-15 | 2016-12-21 | 宁德时代新能源科技股份有限公司 | Battery modules |
| US20170012259A1 (en) * | 2015-07-08 | 2017-01-12 | Contemporary Amperex Technology Co., Limited | Battery module |
| CN205900600U (en) * | 2016-07-19 | 2017-01-18 | 成都硅宝科技股份有限公司 | Safety battery group |
| CN106531913A (en) * | 2015-09-15 | 2017-03-22 | 北京普莱德新能源电池科技有限公司 | Square battery module |
| CN206758513U (en) * | 2017-04-26 | 2017-12-15 | 北京新能源汽车股份有限公司 | Battery modules, there is its battery bag and vehicle |
| CN208225940U (en) * | 2018-04-11 | 2018-12-11 | 东莞塔菲尔新能源科技有限公司 | A kind of power battery module structure |
-
2018
- 2018-04-11 CN CN201810320588.7A patent/CN108428834A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203325984U (en) * | 2013-04-17 | 2013-12-04 | 宁德时代新能源科技有限公司 | Battery module and end plates for same |
| US20170012259A1 (en) * | 2015-07-08 | 2017-01-12 | Contemporary Amperex Technology Co., Limited | Battery module |
| CN106531913A (en) * | 2015-09-15 | 2017-03-22 | 北京普莱德新能源电池科技有限公司 | Square battery module |
| CN205828474U (en) * | 2016-07-15 | 2016-12-21 | 宁德时代新能源科技股份有限公司 | Battery modules |
| CN205900600U (en) * | 2016-07-19 | 2017-01-18 | 成都硅宝科技股份有限公司 | Safety battery group |
| CN206758513U (en) * | 2017-04-26 | 2017-12-15 | 北京新能源汽车股份有限公司 | Battery modules, there is its battery bag and vehicle |
| CN208225940U (en) * | 2018-04-11 | 2018-12-11 | 东莞塔菲尔新能源科技有限公司 | A kind of power battery module structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3703153A1 (en) * | 2019-02-26 | 2020-09-02 | Contemporary Amperex Technology Co., Limited | Battery module |
| US11742544B2 (en) | 2019-02-26 | 2023-08-29 | Contemporary Amperex Technology Co., Limited | Battery module |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20220117 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Applicant after: Jiangsu Zhengli new energy battery technology Co.,Ltd. Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Applicant before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Applicant before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |