CN109671897A - A kind of no-welding battery module - Google Patents
A kind of no-welding battery module Download PDFInfo
- Publication number
- CN109671897A CN109671897A CN201910023429.5A CN201910023429A CN109671897A CN 109671897 A CN109671897 A CN 109671897A CN 201910023429 A CN201910023429 A CN 201910023429A CN 109671897 A CN109671897 A CN 109671897A
- Authority
- CN
- China
- Prior art keywords
- battery
- battery case
- confluence
- spring plate
- lower cover
- 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
Links
- 238000003466 welding Methods 0.000 title claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 238000004070 electrodeposition Methods 0.000 claims abstract description 4
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
-
- 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 relates to battery module production technical fields; specifically a kind of no-welding battery module; including battery case, battery pack and protection board; the both ends of the battery pack are fixedly installed the conductive sheet for being electrically connected battery cell respectively; setting series connection copper bar between the conductive sheet; the protection board is fixedly installed on the side of battery case, and the conductive sheet is spring-piece type confluence piece, and the spring-piece type confluence piece includes confluence elastic slice interconnected；The position of the confluence elastic slice is corresponded with the electrode position at battery cell both ends, the confluence elastic slice includes spring plate and cushion block, the spring plate is fixedly installed on the inside of battery case upper and lower cover, spring plate centre protrusion is provided with elastic bumps, cushion block is fixedly installed on the spring plate of the elastic bumps periphery, no-welding battery module of the invention has the advantages that realize single battery replacement, reduces battery module maintenance cost, improves battery module production efficiency.
Description
Technical field
The present invention relates to battery module production technical field, specifically a kind of no-welding battery module.
Background technique
It, can be direct after battery module refers to battery cell via the merging of series-parallel system group plus protection circuit plate and shell
The assembly of electric energy is provided, currently, multiple battery cell groups are merged into the series-parallel operation of row, mostly uses traditional conduction greatly
Piece, welding battery connection type, this connection type brings various disadvantages, such as the extremely difficult replacement of battery cell, because of conductive sheet
It is connected by welding with battery electrode, battery cell can hardly realize independent replacement, increase the dimension of battery module
Accomplish this, the ladder utilization rate of battery is lower, and multiple battery cells are welded, and increases production difficulty, battery module
Production efficiency it is relatively low.
Summary of the invention
Goal of the invention of the invention is to overcome defect described in background technique, to realize that one kind can be realized list
Body battery altering, the no-welding battery module for reducing battery module maintenance cost, improving battery module production efficiency.
For achieving the above object, the technical scheme is that a kind of no-welding battery module, including battery case,
Battery pack and protection board, the battery case include battery case upper and lower cover, and the battery case upper and lower cover is solid by appended claims
Fixed, the battery pack is located at battery inside, and the both ends of the battery pack are fixedly installed respectively by battery cell electrical connection
Conductive sheet, setting series connection copper bar, the protection board are fixedly installed on the side of battery case between the conductive sheet, and on protection board
It is provided with positive and negative terminal, the positive and negative terminal is electrically connected with total anode of battery pack and total negative terminal respectively, and the conductive sheet is
Spring-piece type confluence piece, the spring-piece type confluence piece includes confluence elastic slice interconnected；It is described confluence elastic slice position with electricity
The electrode position at pond monomer both ends corresponds, and the confluence elastic slice includes spring plate and cushion block, the spring plate fixed setting
On the inside of battery case upper and lower cover, the spring plate centre is provided with elastic bumps, the spring plate of the elastic bumps periphery
Upper fixed setting cushion block, the thickness of the cushion block are less than the height of projection of elastic bumps；The battery case upper and lower cover passes through fastening
When part is locked, elastic bumps and battery set electrode are in close contact and occur flexible deformation, contact battery set electrode with cushion block.
As the preferred technical solution of the present invention, it is fixedly connected between the battery case upper and lower cover by screw, passes through electricity
Pond box cover, battery case lower cover form enveloping solid, are locked by screw, and the seam crossing of battery case upper and lower cover carries out waterproof
Encapsulation process, for example, gluing or installation sealing strip, so that battery module has good dustproof and waterproof performance, it can be achieved that battery
Module is directly used in external elements.
As the preferred technical solution of the present invention, spring plate is fixedly installed on the inside of battery case upper and lower cover by double-sided adhesive,
Double-sided adhesive is low in cost, and non-conductive, can guarantee cell safety under the premise of low in cost.
No-welding battery module of the invention the utility model has the advantages that
1. no-welding battery module of the invention, battery pack realizes electrical connection by the bullet shape structure of confluence elastic slice, changes tradition
Conductive sheet, welding battery connection type, improve the production efficiency of module, realize in battery module battery cell more
It changes, reduces maintenance cost, enhance battery ladder usability.
2. no-welding battery module of the invention, when battery case is locked, flexible deformation, the electricity of battery pack occur for elastic bumps
Pole is contacted with cushion block, and is attached with battery case upper and lower cover, this structure guarantees that elastic bumps are unlikely to send out when module is locked
Raw excessive deformation, and guarantee that confluence elastic slice does not play the weight support of battery pack, avoid the elastic construction fatigue of confluence elastic slice
Failure.
3. no-welding battery module of the invention forms enveloping solid by battery box cover, battery case lower cover, and combines to it
Locate waterproof sealing processing, so that battery module has good dustproof and waterproof performance, it can be achieved that battery module is in external natural ring
Border directly uses.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of no-welding battery module of the invention；
Fig. 2 is the configuration schematic diagram of no-welding battery module of the invention；
Fig. 3 is the structural schematic diagram of confluence elastic slice；
Fig. 4 is the fit structure schematic diagram of confluence elastic slice and battery cell.
In figure: 1- battery case, 101- battery box cover, 102- battery case lower cover, 2- battery pack, 201- battery cell, 3-
Protection board, 4- series connection copper bar, 5- spring-piece type confluence piece, 6- confluence elastic slice, 601- spring plate, 602- cushion block, 603- elastic bumps,
7- screw, 8- double-sided adhesive.
Specific embodiment
No-welding battery module of the invention is done with reference to the accompanying drawing and by specific embodiment more detailed
Description.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Embodiment 1:
No-welding battery module of the invention, including battery case 1, battery pack 2 and protection board 3, the battery case include battery case
Upper and lower cover 101,102, the battery case upper and lower cover 101,102 are fixedly connected by the cooperation of screw 7, and the battery pack 2 is located at
Inside battery case 1, the both ends of the battery pack 2 are fixedly installed the conductive sheet for being electrically connected battery cell 201 respectively, described to lead
Setting series connection copper bar 4 between electric piece, the protection board 3 is fixedly installed on the side of battery case 1, and be provided on protection board 3 just,
Negative terminal, the positive and negative terminal are electrically connected with total anode of battery pack 2 and total negative terminal respectively, and the conductive sheet is spring-piece type remittance
Flow 5, the spring-piece type confluence piece 5 includes confluence elastic slice 6 interconnected；It is described confluence elastic slice 6 position with battery list
The electrode position at 201 both ends of body corresponds, and the confluence elastic slice 6 includes spring plate 601 and cushion block 602, the spring plate 601
It is fixedly installed on 101,102 inside of battery case upper and lower cover, the 601 centre protrusion of spring plate is provided with elastic bumps
603, cushion block 602 is fixedly installed on the spring plate 601 of 603 periphery of the elastic bumps, the thickness of the cushion block 602 is less than elasticity
The height of projection of protrusion 603；When the battery case upper and lower cover 101,102 is locked by fastener, elastic bumps 603 and battery
2 electrode seals of group contact and occur flexible deformation, contact 2 electrode of battery pack with cushion block 602.
It is fixedly connected between the battery case upper and lower cover 101,102 by screw 7, passes through battery box cover 101, battery
Box lower cover 102 forms enveloping solid, is locked by screw 7, and the seam crossing of battery case upper and lower cover 101,102 carries out gluing and prevents
Water-stop, so that battery module has good dustproof and waterproof performance, it can be achieved that battery module directly makes in external elements
With.
The spring plate 601 is fixedly installed on the inside of battery case upper and lower cover 101,102 by double-sided adhesive 8, double-sided adhesive 8 at
This is cheap and non-conductive, can guarantee cell safety under the premise of low in cost.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention is any
The equivalent changes and modifications that those skilled in the art is made under the premise of not departing from present inventive concept and principle should all belong to
In the scope of protection of the invention.
Claims (3)
1. a kind of no-welding battery module, including battery case, battery pack and protection board, the battery case includes that battery case is upper and lower
Lid, the battery case upper and lower cover are fixed by appended claims, and the battery pack is located at battery inside, the battery pack
Both ends are fixedly installed the conductive sheet for being electrically connected battery cell respectively, setting series connection copper bar, the guarantor between the conductive sheet
Backplate is fixedly installed on the side of battery case, and positive and negative terminal is provided on protection board, the positive and negative terminal respectively with battery
Total anode of group and the electrical connection of total negative terminal, it is characterised in that: the conductive sheet is spring-piece type confluence piece, the spring-piece type confluence piece
Including confluence elastic slice interconnected；The position of the confluence elastic slice is corresponded with the electrode position at battery cell both ends,
The confluence elastic slice includes spring plate and cushion block, and the spring plate is fixedly installed on the inside of battery case upper and lower cover, the spring plate
Centre is provided with elastic bumps, and cushion block, the thickness of the cushion block is fixedly installed on the spring plate of the elastic bumps periphery
Less than the height of projection of elastic bumps；When the battery case upper and lower cover is locked by fastener, elastic bumps and battery set electrode
It is in close contact and is occurred flexible deformation, contacts battery set electrode with cushion block.
2. no-welding battery module according to claim 1, it is characterised in that: pass through between the battery case upper and lower cover
Screw is fixedly connected, and the seam crossing of battery case upper and lower cover carries out waterproof sealing processing.
3. no-welding battery module according to claim 1 or 2, it is characterised in that: spring plate is set by double-sided adhesive fixation
It is placed on the inside of battery case upper and lower cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023429.5A CN109671897A (en) | 2019-01-10 | 2019-01-10 | A kind of no-welding battery module |
| PCT/CN2019/124005 WO2020143375A1 (en) | 2019-01-10 | 2019-12-09 | Welding-free battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910023429.5A CN109671897A (en) | 2019-01-10 | 2019-01-10 | A kind of no-welding battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109671897A true CN109671897A (en) | 2019-04-23 |
Family
ID=66149337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910023429.5A Pending CN109671897A (en) | 2019-01-10 | 2019-01-10 | A kind of no-welding battery module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109671897A (en) |
| WO (1) | WO2020143375A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326700A (en) * | 2019-12-26 | 2020-06-23 | 湖北锂诺新能源科技有限公司 | Electric connection structure between module electric cores |
| WO2020143375A1 (en) * | 2019-01-10 | 2020-07-16 | 郑州比克新能源汽车有限公司 | Welding-free battery module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113258186B (en) * | 2021-05-14 | 2022-11-29 | 北京军融航钛科技服务有限公司 | Power supply system of bipolar welding-free battery cell |
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| US20110287287A1 (en) * | 2009-01-29 | 2011-11-24 | Jeong Wook Kang | Cell Cartridge with a Composite Intercell Connecting Net Structure |
| CN204243140U (en) * | 2014-11-29 | 2015-04-01 | 惠州市亿能电子有限公司 | A kind of easy electrokinetic cell module |
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-
2019
- 2019-01-10 CN CN201910023429.5A patent/CN109671897A/en active Pending
- 2019-12-09 WO PCT/CN2019/124005 patent/WO2020143375A1/en active Application Filing
Patent Citations (9)
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|---|---|---|---|---|
| CN201247788Y (en) * | 2008-06-05 | 2009-05-27 | 安耐信(北京)储能技术有限公司 | Assembling-conveniently dynamic battery module for automobile |
| US20110287287A1 (en) * | 2009-01-29 | 2011-11-24 | Jeong Wook Kang | Cell Cartridge with a Composite Intercell Connecting Net Structure |
| CN204243140U (en) * | 2014-11-29 | 2015-04-01 | 惠州市亿能电子有限公司 | A kind of easy electrokinetic cell module |
| CN105206894A (en) * | 2015-08-25 | 2015-12-30 | 苏州德博新能源有限公司 | Novel storage battery module of serial and parallel connection combined structure |
| CN105489799A (en) * | 2015-11-24 | 2016-04-13 | 山东精工电子科技有限公司 | Lithium battery pack free from welding, easy to maintain and capable of being connected in parallel |
| CN206194795U (en) * | 2016-11-16 | 2017-05-24 | 上海电巴新能源科技有限公司 | Module box and power battery box |
| CN108666466A (en) * | 2017-03-27 | 2018-10-16 | 肖立峰 | Battery modules |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020143375A1 (en) * | 2019-01-10 | 2020-07-16 | 郑州比克新能源汽车有限公司 | Welding-free battery module |
| CN111326700A (en) * | 2019-12-26 | 2020-06-23 | 湖北锂诺新能源科技有限公司 | Electric connection structure between module electric cores |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020143375A1 (en) | 2020-07-16 |
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