CN205319222U - Battery module with fusing protection function - Google Patents
Battery module with fusing protection function Download PDFInfo
- Publication number
- CN205319222U CN205319222U CN201521128666.1U CN201521128666U CN205319222U CN 205319222 U CN205319222 U CN 205319222U CN 201521128666 U CN201521128666 U CN 201521128666U CN 205319222 U CN205319222 U CN 205319222U
- Authority
- CN
- China
- Prior art keywords
- sheet
- overload protection
- confluxes
- battery core
- protection silk
- 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.)
- Active
Links
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 21
- 239000004411 aluminium Substances 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 8
- 229910000679 solder Inorganic materials 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005476 soldering Methods 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
- Connection Of Batteries Or Terminals (AREA)
- Fuses (AREA)
Abstract
The utility model discloses a battery module with fusing protect function, including a plurality of columniform electric cores and two battery connection pieces, the battery connection piece includes plastic support and confluence piece, and a plurality of recesses are seted up to the inboard surface of plastic support, and the via hole is all seted up to the tank bottom of each recess, passes the via hole and is equipped with overload protection silk, and confluence piece and overload protection silk are the conductor, and each electric core is all the syntropy dress between two battery connection pieces, and the both ends of electric core imbed respectively in the recess of two battery connection pieces to be connected with the piece that converges that corresponds through overload protection silk respectively. The utility model discloses an overload protection silk that can fuse when setting up the overload realizes "fuse" function, can in time fuse when electric core is unusual, avoids a cluster thermal runaway reaction to take place, improves the reliability and the security of battery module, and simultaneously, overload protection silk overcurrent range is controllable, connects reliably, and is with low costs, easily manufacturing. Can be widely used in electric vehicles or industrial equipment.
Description
Technical field
This utility model is used for battery modules technical field, particularly relates to a kind of battery modules with fuse protection function.
Background technology
At present, lithium ion battery, due to the performance of its excellence, is widely used in mobile phone digital, electric tool, stand-by power supply, electric bicycle, the field such as electric automobile.
In large-scale cell system design, all contain the battery modules of multiple unified specification. The structural design of battery modules, will determine the safety and reliability of whole battery system. And the electric connection structure in battery modules, the especially performance of direct relation battery system and safety. Current electric connection mode mostly is electric resistance welding, Laser Welding or screw interlocking. But the structure mostly fused after excessive all without electric current, and partly done the connection sheet of fusing structure, mostly relatively costly, complex process, blowout current differs greatly and is difficult to control to. When battery modules short circuit or other exceptions, it is difficult to power themselves down, thus easily causing a series of thermal runaway to react, there is higher potential safety hazard. Accordingly, it would be desirable to a kind of battery modules, its electrical connection has " electric fuse " function. Blowout current range-controllable, and low cost, it is easy to manufacture.
Utility model content
For solving the problems referred to above, this utility model provides a kind of battery modules with fuse protection function, its overcurrent range-controllable, connects reliable, and cost is low, it is easy to manufacture. Can use in electric vehicle or industrial equipment widely.
This utility model solves its technical problem and be the technical scheme is that a kind of battery modules with fuse protection function, battery core and two panels cell connector including some cylinders, cell connector includes plastic rubber bracket and the sheet that confluxes being located on described plastic rubber bracket outer surface, the inner surface of described plastic rubber bracket offers some grooves, the bottom land of each described groove all offers via, it is provided with overload protection silk through described via, described conflux sheet and overload protection silk is conductor, each described battery core is contained between two panels cell connector all in the same direction, the two ends of battery core are respectively embedded in the groove of two panels cell connector, and connect with the corresponding sheet that confluxes respectively through overload protection silk.
It is further used as the improvement of technical solutions of the utility model; the described sheet that confluxes covers the outer surface of described plastic rubber bracket; the correspondence position at plastic rubber bracket via that confluxes on sheet is provided with through hole; one end that described overload protection silk stretches out described through hole is welded on the outer surface of the sheet that confluxes, and the other end of overload protection silk is welded on the electrode of battery core.
It is further used as the improvement of technical solutions of the utility model; described overload protection silk is aluminium wire; one end of described aluminium wire is connected with the sheet that confluxes by supersonic welding; and form two solder joints at the outer surface at the sheet that confluxes; the other end of aluminium wire adopts supersonic welding to be connected with the electrode of battery core, and is forming two solder joints on the electrode of battery core.
Being further used as the improvement of technical solutions of the utility model, the circular in cross-section of described aluminium wire, the cross-sectional diameter of aluminium wire is D, 0.3mm≤D≤0.5mm.
Be further used as the improvement of technical solutions of the utility model, described in the sheet that confluxes be nickel plating copper sheet or aluminium flake, described in conflux sheet by the gluing outer surface being connected on described plastic rubber bracket.
It is further used as the improvement of technical solutions of the utility model, in groove, is provided with the structure glue of bonding battery core.
The beneficial effects of the utility model: for battery modules, its electric connection structure is most important, and is related to performance and the safety of battery system. The battery modules that this utility model provides; its reliable design, practicality; and the overload protection silk that can fuse during by arranging overload realizes " electric fuse " function, can fuse in time when battery core exception, it is to avoid the reaction of a succession of thermal runaway occurs; improve battery modules reliability and safety under complex working condition and battery core abnormal conditions; meanwhile, overload protection silk overcurrent range-controllable, connect reliable; cost is low, it is easy to manufacture. Can use in electric vehicle or industrial equipment widely.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is this utility model internal structure schematic diagram;
Fig. 2 is this utility model overload protection silk and battery core and sheet connection diagram of confluxing;
Fig. 3 is this utility model battery modules end view.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, that show the concrete structure of the preferred embodiment of this utility model. Will be detailed below the construction features of each element of this utility model, if and when being described to direction (upper and lower, left and right, before and after), it is describe for reference with the structure shown in Fig. 1, but actually used direction of the present utility model is not limited thereto.
This utility model provides a kind of battery modules with fuse protection function, battery core 1 and two panels cell connector including some cylinders, cell connector includes plastic rubber bracket 2 and the sheet 3 that confluxes being located on described plastic rubber bracket 2 outer surface, the inner surface of described plastic rubber bracket 2 offers some grooves 21, the bottom land of each described groove 21 all offers via 22, it is provided with overload protection silk 4 through described via 22, described conflux sheet 3 and overload protection silk 4 is conductor, each described battery core 1 is contained between two panels cell connector all in the same direction, the two ends of battery core 1 are respectively embedded in the groove 21 of two panels cell connector, and connect with the corresponding sheet 3 that confluxes respectively through overload protection silk 4, simultaneously, the structure glue of bonding battery core 1 it is provided with in groove 21, to ensure the reliable installation of battery core 1 and plastic rubber bracket 2.
The described sheet 3 that confluxes covers the outer surface of described plastic rubber bracket 2, described in conflux sheet 3 for nickel plating copper sheet or aluminium flake, conflux sheet 3 and plastic rubber bracket 2 preferably employ structure glue and carries out bonding to ensure the sheet 3 reliable installation with plastic rubber bracket 2 of confluxing. The correspondence position at plastic rubber bracket 2 via 22 that confluxes on sheet 3 is provided with through hole 31, and described overload protection silk 4 stretches out one end of described through hole 31 and is welded on the outer surface of the sheet 3 that confluxes, and the other end of overload protection silk 4 is welded on the electrode of battery core 1.
Described overload protection silk 4 usually aluminium alloy can also be other metals, ceramic or synthetic, and this utility model is preferably aluminium wire; aluminium wire has the advantage that, it can carry out ultrasonic bonding, and it belongs to low cost metal; and internal resistance is low, use less cross section just can pass through enough electric currents. The light weight of aluminium wire own, under normal condition, structure is reliable, and when being subject to external force destruction or high temperature in battery modules, can disconnect under reaching predetermined value situation, support that will not be bigger to battery modules, thus when avoiding abnormal generation, circuit adhesion occurs, and causes fiery fried danger. Overload protection silk 4 can adopt known various welding manners, and this utility model preferentially adopts ultrasonic bonding. Solder joint can be a bit, it is also possible to is 2 or multiple spot. This utility model preferentially adopts two means of spot welds, thus improving soldering reliability further. One end of described aluminium wire is connected with the sheet 3 that confluxes by supersonic welding, and form two solder joints at the outer surface at the sheet 3 that confluxes, the other end of aluminium wire adopts supersonic welding to be connected with the electrode of battery core 1, and on the electrode in battery core 1, form two solder joints, the problem solving the pad reliability of cell connector.
The circular in cross-section of described aluminium wire, the thickness of aluminium wire, length can be adjusted as required, and in this utility model, the cross-sectional diameter of aluminium wire is D, 0.3mm≤D≤0.5mm.
The cross section of overload protection silk 4 also shape beyond circle, for instance square, rectangle, triangle etc.
For battery modules, its electric connection structure is most important, and is related to performance and the safety of battery system. The battery modules that this utility model provides; its reliable design, practicality; and the overload protection silk 4 that can fuse during by arranging overload realizes " electric fuse " function, can fuse in time when battery core 1 is abnormal, it is to avoid the reaction of a succession of thermal runaway occurs; improve battery modules reliability and safety under complex working condition and battery core abnormal conditions; meanwhile, overload protection silk overcurrent range-controllable, connect reliable; cost is low, it is easy to manufacture. Can use in electric vehicle or industrial equipment widely.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the premise without prejudice to this utility model spirit, and these equivalent modification or replacement are all contained in the application claim limited range.
Claims (6)
1. a battery modules with fuse protection function, it is characterized in that: include battery core and the two panels cell connector of some cylinders, cell connector includes plastic rubber bracket and the sheet that confluxes being located on described plastic rubber bracket outer surface, the inner surface of described plastic rubber bracket offers some grooves, the bottom land of each described groove all offers via, it is provided with overload protection silk through described via, described conflux sheet and overload protection silk is conductor, each described battery core is contained between two panels cell connector all in the same direction, the two ends of battery core are respectively embedded in the groove of two panels cell connector, and connect with the corresponding sheet that confluxes respectively through overload protection silk.
2. the battery modules with fuse protection function according to claim 1; it is characterized in that: described in the sheet that confluxes cover the outer surface of described plastic rubber bracket; the correspondence position at plastic rubber bracket via that confluxes on sheet is provided with through hole; one end that described overload protection silk stretches out described through hole is welded on the outer surface of the sheet that confluxes, and the other end of overload protection silk is welded on the electrode of battery core.
3. the battery modules with fuse protection function according to claim 2; it is characterized in that: described overload protection silk is aluminium wire; one end of described aluminium wire is connected with the sheet that confluxes by supersonic welding; and form two solder joints at the outer surface at the sheet that confluxes; the other end of aluminium wire adopts supersonic welding to be connected with the electrode of battery core, and is forming two solder joints on the electrode of battery core.
4. the battery modules with fuse protection function according to claim 3, it is characterised in that: the circular in cross-section of described aluminium wire, the cross-sectional diameter of aluminium wire is D, 0.3mm≤D≤0.5mm.
5. the battery modules with fuse protection function according to claim 1, it is characterised in that: described in the sheet that confluxes be nickel plating copper sheet or aluminium flake, described in conflux sheet by the gluing outer surface being connected on described plastic rubber bracket.
6. the battery modules with fuse protection function according to claim 1, it is characterised in that: in groove, it is provided with the structure glue of bonding battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128666.1U CN205319222U (en) | 2015-12-28 | 2015-12-28 | Battery module with fusing protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128666.1U CN205319222U (en) | 2015-12-28 | 2015-12-28 | Battery module with fusing protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205319222U true CN205319222U (en) | 2016-06-15 |
Family
ID=56199999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521128666.1U Active CN205319222U (en) | 2015-12-28 | 2015-12-28 | Battery module with fusing protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205319222U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159175A (en) * | 2016-08-12 | 2016-11-23 | 东莞力朗电池科技有限公司 | A kind of battery pack copper aluminium conductive connecting device |
| CN106784571A (en) * | 2017-02-12 | 2017-05-31 | 苏州市博得立电源科技有限公司 | A kind of battery bag battery core welding procedure in parallel |
| CN106816573A (en) * | 2017-03-23 | 2017-06-09 | 惠州亿纬锂能股份有限公司 | A kind of battery and battery component |
| CN107068926A (en) * | 2017-03-09 | 2017-08-18 | 宁波利维能储能系统有限公司 | Battery bag and its aluminium wire welding procedure with aluminium wire |
| CN107262866A (en) * | 2016-08-02 | 2017-10-20 | 伍伟东 | The welder of battery modules |
| CN107634174A (en) * | 2017-09-12 | 2018-01-26 | 苏州协鑫集成储能科技有限公司 | Battery confluxes piece |
| CN108448021A (en) * | 2018-04-11 | 2018-08-24 | 东莞塔菲尔新能源科技有限公司 | A kind of battery modules |
| CN112956068A (en) * | 2018-11-16 | 2021-06-11 | 日本汽车能源株式会社 | Battery module |
-
2015
- 2015-12-28 CN CN201521128666.1U patent/CN205319222U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262866A (en) * | 2016-08-02 | 2017-10-20 | 伍伟东 | The welder of battery modules |
| CN106159175A (en) * | 2016-08-12 | 2016-11-23 | 东莞力朗电池科技有限公司 | A kind of battery pack copper aluminium conductive connecting device |
| CN106784571A (en) * | 2017-02-12 | 2017-05-31 | 苏州市博得立电源科技有限公司 | A kind of battery bag battery core welding procedure in parallel |
| CN107068926A (en) * | 2017-03-09 | 2017-08-18 | 宁波利维能储能系统有限公司 | Battery bag and its aluminium wire welding procedure with aluminium wire |
| CN106816573A (en) * | 2017-03-23 | 2017-06-09 | 惠州亿纬锂能股份有限公司 | A kind of battery and battery component |
| CN107634174A (en) * | 2017-09-12 | 2018-01-26 | 苏州协鑫集成储能科技有限公司 | Battery confluxes piece |
| CN108448021A (en) * | 2018-04-11 | 2018-08-24 | 东莞塔菲尔新能源科技有限公司 | A kind of battery modules |
| CN112956068A (en) * | 2018-11-16 | 2021-06-11 | 日本汽车能源株式会社 | Battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |