CN208400889U - A kind of battery modules and battery pack - Google Patents
A kind of battery modules and battery pack Download PDFInfo
- Publication number
- CN208400889U CN208400889U CN201821072957.7U CN201821072957U CN208400889U CN 208400889 U CN208400889 U CN 208400889U CN 201821072957 U CN201821072957 U CN 201821072957U CN 208400889 U CN208400889 U CN 208400889U
- Authority
- CN
- China
- Prior art keywords
- battery
- battery modules
- confluence
- battery core
- positive
- 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.)
- Expired - Fee Related
Links
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000004519 grease Substances 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 3
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 206010037660 Pyrexia Diseases 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 240000005979 Hordeum vulgare Species 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 206010020843 Hyperthermia Diseases 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000036031 hyperthermia Effects 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- 241000209219 Hordeum Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of battery modules, including battery core, several battery core positive and negative anodes are collectively aligned to form battery core group；Card mold, two card molds are respectively arranged at the both ends of battery core group, several battery cores are fixed, and each battery core is corresponded on card mold and offers electrode ports；Confluence composite sheet, two confluence composite sheets respectively correspond the outside for being set to two card molds, and connect by electrode ports with the positive or negative pole of each battery core, tab is each extended over out in two confluence composite sheets, two tabs respectively represent the positive grade and cathode of the battery modules；Insulating layer, two insulating layers respectively correspond the outside for being set to two confluence composite sheets, offer thermal window on insulating layer；Thermal grease item, thermal grease item are set in thermal window and are bonded with confluence composite sheet.The invention also discloses a kind of battery pack, several above-mentioned battery modules are arranged side by side and pass through two heat sink clip board clampings and fix, thermal grease item respectively with two heat dissipation clamping plate thermal contact conductances.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of battery modules and battery pack.
Background technique
In today of new energy industry high speed development, the battery PACK of more and more types is in the sight of people,
It is especially prominent by column lithium ion electric core PACK among these, such as 18650 battery PACK, 21700 battery PACK, 26650 batteries
PACK etc., cylindrical battery PACK have the features such as energy density is high, easy for installation, and installation fitting is simple, deep by various new
The favor of energy products.
Lithium ion primary battery external form is smaller, and capacity, voltage, electric current are all smaller, more often than not, needs by certain
Series connection and relationship in parallel require to meet required voltage, capacity etc., and will appear very in the process in series and parallel in battery PACK
More problems, such as hardly possible fix, are not easy to weld, wherein more crucially safety issue, once some battery core is short-circuit, directly
It will lead to entire battery PACK to scrap, lose larger.In addition, many battery PACK integrated levels are excessively high at present, lead to peripheral battery core
Heat dissipation is good, and internal battery core heat dissipation is unsmooth, causes battery PACK the case where localized hyperthermia occur, influences battery performance, seriously
Possibility occur spontaneous combustion, explosion accident.
So safety, thermal diffusivity and stability are the important performance indexes of battery.
Utility model content
The one of the utility model is designed to provide a kind of battery modules, solves above-mentioned security risk, optimization battery core combination
Structure improves overall performance.
The another object of the utility model is to provide a kind of battery pack, improves integration, thermal diffusivity and the safety of battery
Property.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of battery modules comprising:
Battery core, several battery core positive and negative anodes are collectively aligned to form battery core group；
Card mold, two card molds are respectively arranged at the both ends of battery core group, several battery cores are fixed, corresponding every on card mold
A battery core offers electrode ports；
Converge composite sheet, two confluence composite sheets respectively correspond the outside for being set to two card molds, and by electrode ports and
The positive or negative pole of each battery core connects, and each extends over out tab in two confluence composite sheets, two tabs respectively represent the electricity
The positive grade and cathode of Chi Mo group；
Insulating layer, two insulating layers respectively correspond the outside for being set to two confluence composite sheets, offer on insulating layer scattered
Thermal window；
Thermal grease item, thermal grease item are set in thermal window and are bonded with confluence composite sheet.
Wherein, confluence composite sheet passes through laser welding or resistance welding one by aluminium confluence piece and steel nickel plating confluence piece
It rises, steel nickel plating confluence on piece corresponds to each electrode ports and is provided with fuse part, the positive or negative pole welding of fuse part and battery core, tab
Extended by aluminium confluence piece.
Wherein, the self-clinching nut for copper bar connection is provided on tab.
Wherein, there are the vacancy of uneasy electric discharge core in battery core group.Improve heat-sinking capability.
Wherein, vacancy is set to the innermost layer of battery core group.
Wherein, thermal window is provided with multiple according to battery core fever centrostigma.Improve heat dissipation performance.
Wherein, insulating layer is using insulation highland barley paper.It is more economically practical compared to covering monolith thermal grease.
Wherein, card mold uses V0 grades of flame-retarded plastics.Even battery core spontaneous combustion will not be spread.
A kind of battery pack comprising several above-mentioned battery modules, several battery modules are arranged side by side and pass through two
Heat sink clip board clamping is fixed, in each battery modules the thermal grease item at both ends respectively with two heat dissipation clamping plate thermal contact conductances, if
By connecting in series and parallel between dry battery modules.The heat of each battery modules is passed through into heat dissipation clamping plate export.
Wherein, when two neighboring battery modules are connected, the reverse setting of two battery modules positive and negative anodes, and make an electricity
The negative lug of the positive pole ear of Chi Mo group and another battery modules is located at ipsilateral.Facilitate copper installation and improves integrated beauty
It sees.
To sum up, the beneficial effects of the utility model are that compared with prior art, the battery modules and battery pack pass through knot
Battery core group is fixed wherein and is passed by confluence composite sheet, thermal grease item even heat dissipation clamping plate and leads electric calorific value by structure design
Out, so that the heat dissipation of each battery core is balanced, localized hyperthermia is solved the problems, such as, while the setting of circuit fusing and thermal resistance frame is so that electricity
Chi Mo group safety is higher, in addition can integrated morphology meet design requirement so that overall package and extension are convenient, improve
Battery overall performance.
Detailed description of the invention
Fig. 1 is the outline drawing of battery modules provided by the embodiment of the utility model；
Fig. 2 is the explosive view of battery modules provided by the embodiment of the utility model；
Fig. 3 is the structure chart of the confluence composite sheet of battery modules provided by the embodiment of the utility model；
Fig. 4 is the outline drawing of battery pack provided by the embodiment of the utility model；
Fig. 5 is the explosive view of battery pack provided by the embodiment of the utility model.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
It please refers to shown in Fig. 1 to 3, the present embodiment provides a kind of battery modules, mainly include battery core 1, card mold 2, converge again
Close piece 3, insulating layer 4 and thermal grease item 5.Several 1 positive and negative anodes of battery core are collectively aligned to form battery core group；Two card molds 2 divide
It is not set to the both ends of battery core group, several battery cores 1 are fixed, each battery core 1 is corresponded on card mold 2 and offers electrode ports
21；Two confluence composite sheets 3 respectively correspond the outside for being set to two card molds 2, and just by electrode ports 21 and each battery core 1
Pole or cathode connection, particularly, confluence composite sheet 3 pass through laser welding or electricity by aluminium confluence piece 31 and steel nickel plating confluence piece 32
Welding resistance is connected together, and each electrode ports 21 are corresponded on steel nickel plating confluence piece 32 and are provided with fuse part 33, fuse part 33 and battery core 1
Positive or negative pole welding extends tab 34 on aluminium confluence piece 31, two tabs 34 respectively represent the battery modules positive grade and
Cathode is provided with the self-clinching nut 35 for copper bar connection on tab 34；Two insulating layers 4, which respectively correspond, is set to two confluences
The outside of composite sheet 3 offers thermal window 41 on insulating layer 4；Thermal grease item 5 be set in thermal window 41 and with confluence
Composite sheet 3 is bonded.
Certainly, confluence composite sheet 3 is also possible to cupro-nickel composite sheet or other metal compound sheets.
One feature of the present embodiment is, using the insulating layer 4 for the highland barley paper that such as insulate, and is arranged on insulating layer 4 small
Block thermal grease item 5, and arranged according to specific 1 calorific value centrostigma of battery core, such setting is relative to covering monolith
For thermal grease, the service efficiency that can be reduced cost, improve thermal grease item 5 is more economical practical.
Another feature of the present embodiment is, proposes that there are the vacancy of uneasy electric discharge core 1 in battery core group, when special most
The battery core 1 of inner layer, innermost layer is naturally poorer compared to 1 heat-sinking capability of edge battery core, although some batteries have been given up in vacancy design
Placement space, but be greatly improved to integral heat sink ability.For example the present embodiment vacates six positions of innermost layer, and enclose
Two thermal grease items 5 are set around vacancy, has met cooling requirements in this way, has saved 5 material cost of thermal grease item.
In addition, card mold 2 uses V0 grades of flame-retarded plastics, even 1 spontaneous combustion of battery core will not be spread, such as in integrated situation,
Adjacent battery modules are not interfered with.
The present embodiment additionally provides a kind of battery pack, mainly includes several above-mentioned battery modules as shown in Figures 4 and 5, if
A dry battery modules, which are arranged side by side and pass through two heat dissipation clamping plates 6, to be fixedly clamped, the thermal grease at both ends in each battery modules
Item 5 with two heat dissipation 6 thermal contact conductances of clamping plate, the heat of each battery modules is exported by the clamping plate 6 that radiates, several electricity respectively
By connecting in series and parallel between Chi Mo group.The mounting portion 61 for installation, two heat dissipation clamping plates 6 are additionally provided on heat dissipation clamping plate 6
Between multiple dowels 62 are set.
Radiate metal material of the clamping plate 6 using good heat conductivity, such as iron.
In addition it is noted that when the series connection of two neighboring battery modules, two battery modules positive and negative anodes can be run
It is arranged, and it is ipsilateral that the negative lug of the positive pole ear of a battery modules and another battery modules is located at, and in this way may be used
To facilitate copper installation and improve overall beautiful.
The battery modules and battery pack that the present embodiment is proposed further include it is following a little:
1) battery modules assembling is simply, conveniently, (not needing mold) at low cost；
2) tab facilitates in series and parallel, is relatively beneficial to integrated morphology；
3) good heat dissipation effect, heat dissipation are balanced；
4) security performance is high, as unit of single module, does not influence adjacent mould group；
5) good appearance meets client's appearance requirement.
To sum up, above-mentioned battery modules and battery pack are designed battery core group is fixed compound wherein and by converging by structure
Piece, thermal grease item even heat dissipation clamping plate biography export electric calorific value, so that the heat dissipation of each battery core is balanced, solve localized hyperthermia
Problem, while the setting of circuit fusing and thermal resistance frame is so that battery modules safety is higher, in addition can integrated morphology so that whole
Body assembling and extension are convenient, meet design requirement, improve battery overall performance.
Above embodiments only elaborate the basic principles and features of the present invention, and the utility model is not by above-mentioned example
Limitation, on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes, these changes
Change and change is fallen within the scope of the claimed invention.The utility model requires protection scope is wanted by appended right
Ask book and its equivalent thereof.
Claims (10)
1. a kind of battery modules, which is characterized in that including
Battery core, several described battery core positive and negative anodes are collectively aligned to form battery core group；
Card mold, two card molds are respectively arranged at the both ends of the battery core group, several battery cores are fixed, the card mold
The upper each battery core of correspondence offers electrode ports；
Confluence composite sheet, two confluence composite sheets respectively correspond the outside for being set to two card molds, and by described
Electrode ports are connect with the positive or negative pole of each battery core, tab are each extended over out in two confluence composite sheets, described in two
Tab respectively represents the positive grade and cathode of the battery modules；
Insulating layer, two insulating layers respectively correspond the outside for being set to two confluence composite sheets, on the insulating layer
Offer thermal window；And
Thermal grease item, the thermal grease item are set in the thermal window and are bonded with the confluence composite sheet.
2. battery modules according to claim 1, it is characterised in that: the confluence composite sheet is by aluminium confluence piece and steel nickel plating
Converge piece by laser welding or resistance welding together, the steel nickel plating confluence on piece correspond to each electrode ports be provided with it is molten
The positive or negative pole of disconnected portion, the fuse part and the battery core welds, and the tab is extended by aluminium confluence piece.
3. battery modules according to claim 2, it is characterised in that: be provided with the pressure for copper bar connection on the tab
Riveting nut.
4. battery modules according to claim 1, it is characterised in that: there are the skies of uneasy electric discharge core in the battery core group
Position.
5. battery modules according to claim 4, it is characterised in that: the vacancy be set to the battery core group most in
Layer.
6. battery modules according to claim 1, it is characterised in that: the thermal window is set according to battery core fever centrostigma
It is equipped with multiple.
7. battery modules according to claim 1, it is characterised in that: the insulating layer is using insulation highland barley paper.
8. battery modules according to claim 1, it is characterised in that: the card mold uses V0 grades of flame-retarded plastics.
9. a kind of battery pack, which is characterized in that including several such as battery modules of any of claims 1-7, if
The dry battery modules, which are arranged side by side and pass through two heat sink clip board clampings, fixes, the heat dissipation silicon at both ends in each battery modules
Adhesive tape respectively with two heat dissipation clamping plate thermal contact conductances, by connecting in series and parallel between several described battery modules.
10. battery pack according to claim 9, it is characterised in that: described two when the series connection of two neighboring battery modules
The reverse setting of battery modules positive and negative anodes, and make the positive pole ear of a battery modules and the negative lug of another battery modules
Positioned at ipsilateral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072957.7U CN208400889U (en) | 2018-07-06 | 2018-07-06 | A kind of battery modules and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821072957.7U CN208400889U (en) | 2018-07-06 | 2018-07-06 | A kind of battery modules and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400889U true CN208400889U (en) | 2019-01-18 |
Family
ID=65129873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821072957.7U Expired - Fee Related CN208400889U (en) | 2018-07-06 | 2018-07-06 | A kind of battery modules and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208400889U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176570A (en) * | 2019-05-20 | 2019-08-27 | 苏州安靠电源有限公司 | A kind of compound confluence piece for battery modules |
| CN110649348A (en) * | 2019-09-05 | 2020-01-03 | 章春元 | Quick radiating battery package |
| CN111106288A (en) * | 2019-12-30 | 2020-05-05 | 绍兴易铭新能源汽车有限公司 | Assembly process of assembled battery module |
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
-
2018
- 2018-07-06 CN CN201821072957.7U patent/CN208400889U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176570A (en) * | 2019-05-20 | 2019-08-27 | 苏州安靠电源有限公司 | A kind of compound confluence piece for battery modules |
| CN110649348A (en) * | 2019-09-05 | 2020-01-03 | 章春元 | Quick radiating battery package |
| CN111106288A (en) * | 2019-12-30 | 2020-05-05 | 绍兴易铭新能源汽车有限公司 | Assembly process of assembled battery module |
| CN111106288B (en) * | 2019-12-30 | 2022-04-01 | 绍兴易铭新能源汽车有限公司 | Assembly process of assembled battery module |
| CN111916811A (en) * | 2020-07-21 | 2020-11-10 | 柳州市智甲金属科技有限公司 | Battery core installation method and integrated battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |