CN202308098U - Lithium battery and electrode connection module thereof - Google Patents
Lithium battery and electrode connection module thereof Download PDFInfo
- Publication number
- CN202308098U CN202308098U CN2011204040809U CN201120404080U CN202308098U CN 202308098 U CN202308098 U CN 202308098U CN 2011204040809 U CN2011204040809 U CN 2011204040809U CN 201120404080 U CN201120404080 U CN 201120404080U CN 202308098 U CN202308098 U CN 202308098U
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- sealing ring
- rotation
- electrode
- monomer
- cover board
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- 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 utility model provides a lithium battery and an electrode connection module thereof. The electrode connection module of the lithium battery comprises a battery cover plate and at least an electrode connector arranged on the battery cover plate. Each electrode connector further comprises a monolithic connecting assembly, a plurality of sealing rings and a screw cap. The monolithic connecting assembly passes through the battery cover plate; the plurality of sealing rings are arranged on the battery cover plate; the sealing rings pass through the middle part of the monolithic connecting assembly; and the screw cap is locked on the monolithic connecting assembly and used for pressing the sealing rings on the battery cover plate. The monolithic connecting assembly comprises a fixing plate and an anti-rotating part; and the sizes of the fixing plate and the anti-rotating part are both more than the size of the sealing rings and the opening size of the screw cap.
Description
Technical field
The utility model relates to a kind of lithium battery and electrode link block thereof, and particularly relevant for a kind of lithium Fe battery and electrode link block thereof.
Background technology
Since the electric motor car development, what be applied to battery of electric vehicle the earliest is lead acid accumulator, because the lead acid accumulator cost is low, the characteristics that cost performance is high also are to use the most a kind of battery of electric vehicle nowadays.
And in future, unblamable lithium battery will become the direction of electrokinetic cell development.Lithium battery is in light weight, and energy storage is big, and is pollution-free again, but at present because technical limitations, its application on power car still is highly beneficial.In view of this, the business opportunity in the good lithium battery market of manufacturer, the research and development production of carrying out on a large scale dropping into lithium battery, the technology of iron lithium phosphate battery is maked rapid progress especially recently.
Traditional lithium cobalt battery has the advantage of high-energy-density, but the peace incident of endangering in recent years keeps pouring in, and Product Safety is to be hoisted.Adopt lithium and cobalt oxides to be called lithium cobalt battery again as the lithium battery of positive electrode, except the advantage with high-capacitance and high-energy-density, the performance of temperature characterisitic and battery life is also original.Yet the Product Safety of lithium cobalt battery lets people's worry, and mobile computer and mobile phone kept pouring in the danger peace incident of lithium battery especially in recent years, more makes the consumer descend for the degree of belief of lithium cobalt battery.
The Product Safety of iron lithium phosphate battery is far above lithium cobalt battery, but iron lithium phosphate conduction problem still waits to improve, especially with fail safe, to increase the battery charge capacity and reduce cost be three great development main shafts.The iron lithium phosphate battery has many advantages, for example hot properties good, have extended cycle life and the cost of material is low etc. and the best in the positive electrode of the more present lithium battery of the fail safe of iron lithium phosphate battery.The iron lithium phosphate battery has safe and advantage such as the life-span is long, but its encapsulation is connected with electrode and still has the further space of improving, so that the use of iron lithium phosphate battery is more extensive and safety.
The utility model content
One purpose of the utility model is to provide a kind of electrode of lithium cell link block, can be used for coupling the conducting terminal of lithium battery, with convenient encapsulation lithium battery, improves the quality of lithium battery.
Another purpose of the utility model is to provide a kind of lithium battery, has integrated monomer-type coupling assembling, and it has outside terminal and internal fixation plate that single conductive component constitutes, to improve the quality of lithium battery effectively.
Therefore, the utility model provides a kind of electrode of lithium cell link block, and it includes a battery cover board and at least one electrode connector, is installed on the opening of battery cover board.Electrode connector also includes the opening of a monomer-type coupling assembling via battery cover board, runs through battery cover board, a plurality of sealing ring and a nut.Wherein, the monomer-type coupling assembling comprises an outside terminal, one anti-rotation and a fixed head.Sealing ring is installed on the opening of battery cover board, and the monomer-type coupling assembling runs through by in the middle of the sealing ring.Nut is locked in the monomer-type coupling assembling, and the compressing sealing ring is on battery cover board.Wherein, nut is between battery cover board and fixed head, and between anti-rotation and fixed head, and the size of anti-rotation and fixed head is greater than the internal diameter of nut.
Above-mentioned sealing ring includes an anti-rotation sealing ring, a U-shaped sealing ring is coupled in battery cover board and an inner sealing annular is formed in the opposite side of U-shaped sealing ring with respect to anti-rotation sealing ring, and wherein the size of anti-rotation and fixed head is greater than the internal diameter of anti-rotation sealing ring, U-shaped sealing ring and inner sealing ring.
Anti-rotation sealing ring also include an anti-rotation groove with anti-rotation coupling of monomer-type coupling assembling.Battery cover board then includes a holddown groove, is coupled with the anti-rotation flange with anti-rotation sealing ring.
Wherein, the U-shaped sealing ring is to utilize the mode that embeds moulding (Insert Molding), to be formed between monomer-type coupling assembling and the battery cover board.Or anti-rotation and one of them of fixed head of monomer-type coupling assembling are after monomer-type coupling assembling and battery cover board, sealing ring and nut combination, just utilize punching press or roll forming.
In addition, the monomer-type coupling assembling also comprises a fixed part, is formed with screw thread, so that nut is locked in the monomer-type coupling assembling, and the compressing sealing ring.
In addition, the utility model provides a kind of lithium battery on the other hand, includes above-mentioned electrode of lithium cell link block, a shell and a battery and is installed among the shell, and battery also electrically connects with the electrode connector of electrode of lithium cell link block.Wherein, the monomer-type coupling assembling of above-mentioned electrode connector is to be made up of aluminum metal or copper metal.
Therefore, electrode link block of the utility model and the lithium battery that disposes this electrode link block can be installed on the nut on the electrode connector inboard of battery cover board effectively, avoid the battery electrode connector to produce situation about getting loose effectively.In addition, the monomer-type coupling assembling that plain conductor constituted also can further improve the fail safe and the quality of battery.In addition, anti-rotation portion, anti-rotation sealing ring, and the holddown groove of cover board body also can avoid electrode connector when using, to produce the situation of rotation effectively.
Description of drawings
For letting the above-mentioned of the utility model and other purpose, characteristic, advantage and the embodiment can be more obviously understandable, the explanation of appended accompanying drawing be following:
Fig. 1 is the sketch map of the lithium battery of the utility model;
Fig. 2 is the sketch map of a preferred embodiment of the lithium battery connector of the utility model;
Fig. 3 then is the cut-away section sketch map that illustrates the preferred embodiment of Fig. 2;
Fig. 4 then is the vertical view that illustrates the preferred embodiment of Fig. 2.
[primary clustering symbol description]
100: lithium battery 110: shell
120: electrode link block 122: the negative pole connector
124: anodal connector 200: electrode link block
210: battery cover board 212: cover board body
2124: holddown groove 2126: opening
220: anodal connector 230: negative pole connector
234: anti-rotation sealing ring 2342: opening
2344: anti-rotation groove 2348: anti-rotation flange
236:U V-shaped ring 2364: opening
238: inner sealing ring 240: nut
242: monomer-type coupling assembling 2422: outside terminal
2423: anti-rotation 2424: wear portion
2426: fixed part 2428: fixed head
2429: opening 260: the terminal cover plate
262: opening
Embodiment
Detailed description of relevant the utility model and technology contents, with the conjunction with figs. explanation as follows, yet appended accompanying drawing is not to be used to limit to the utility model only as illustrative purposes.
Consult Fig. 1, it is the sketch map that discloses the lithium battery of the utility model.Shown in figure, lithium battery 100 for example is iron lithium phosphate battery (LiFeP0
4), it utilizes a shell 110 to coat inner battery, and utilizes 120 sealings of electrode link block.Wherein, electrode link block 120 is formed with a negative pole connector 122 and an anodal connector 124 respectively, with the electric energy transmitting that battery is stored to required equipment.
Further consult Fig. 2 to Fig. 4.Fig. 2 is the sketch map of a preferred embodiment that illustrates the lithium battery connector of the utility model; Fig. 3 then is the cut-away section sketch map that illustrates the preferred embodiment of Fig. 2; Fig. 4 then is the vertical view that illustrates the preferred embodiment of Fig. 2, with the structure of convenient explanation electrode link block 200.As shown in the figure, electrode link block 200 includes a battery cover board 210, is separately installed with an anodal connector 220 and a negative pole connector 230 on it.Wherein, be example with negative pole connector 230, negative pole connector 230 further includes the anti-rotation sealing ring of a monomer-type coupling assembling 242, one 234, a U-shaped sealing ring 236, an inner sealing ring 238, a nut 240 and a terminal cover plate 260.Monomer-type coupling assembling 242 includes fixed head 2428; Be formed with opening 2429 on it, and terminal cover plate 260 also has opening 262, both can utilize bolt and nut; Perhaps utilize other fixture; For example be blind rivet or riveting fourth, with fixedly fixed head 2428 and terminal cover plate 260 effectively, it does not all break away from the spirit and the scope of the utility model.
And fixed head 2428 and terminal cover plate 260 can be used for the positive terminal that anode film material extended out of clamping battery effectively; Or the negative terminal that extended out of negative film material, and utilize bolt and nut to increase the strength of clamping effectively.
Wherein, anti-rotation sealing ring 234, U-shaped sealing ring 236 and inner sealing ring 238 are to utilize a plurality of black boies, take place with the situation of avoiding effectively leaking.
Monomer-type coupling assembling 242 also includes 2422, anti-rotation 2423 of an outside terminal, and wears a portion 2424 and a fixed part 2426.
234 of anti-rotation sealing rings are formed with an opening 2342, are formed with an anti-rotation groove 2344 around the opening.The shape of anti-rotation groove 2344 and anti-rotation 's 2423 shape preferably is complementary shape, for example is square, triangle, or polygon, and generally speaking, it be a circle.Identical ground, the shape of the shape of anti-rotation flange 2348 and holddown groove 2124 preferably is complementary shape, thus can also be a square, triangle, or polygon, preferably be not circular.
U-shaped sealing ring 236 is clamped the both sides of cover board body 212 openings 2126, and the centre of U-shaped sealing ring 236 then is formed with an opening 2364, so that the portion that wears 2424 of monomer-type coupling assembling 242 is arranged in wherein.
The below of inner sealing ring 238 then includes a nut 240, locks in order to the fixed part 2426 with monomer-type coupling assembling 242.Therefore, the fixed part 2426 of monomer-type coupling assembling 242 preferably also includes a screw thread, with the thread locking of nut 240.After the fixed part 2426 that utilizes nut 240 with monomer-type coupling assembling 242 locks; Utilize anti-rotation 2423 chucking power that produces of nut 240 and monomer-type coupling assembling 242; Make anti-rotation sealing ring 234, U-shaped sealing ring 236 and inner sealing ring 238 to be fixed in effectively on the cover board body 212, and increase its sealing.
Through monomer-type coupling assembling 242 anti-rotation 2423 again, anti-rotation sealing ring 234, and the holddown groove 2124 of cover board body 212 can avoid electrode connector 230 when using, to produce the situation of rotation effectively.And because nut 240 is the fixed parts 2426 that are fixed in monomer-type coupling assembling 242; It is positioned among the shell of lithium battery; That is the inboard of battery cover board 210, between battery cover board 210 and the fixed head 2428242, so when using lithium battery; The user can not touch nut, can avoid known electrode of lithium cell connector to produce situation about getting loose effectively.
Wherein, the fixed head 2429 of the monomer-type coupling assembling 242 of the utility model, anti-rotation 2423 and the external dimensions of outside terminal 2422 are all greater than the opening 2364 of U-shaped sealing ring 236 and the internal diameter of nut 240.Therefore; In order effectively to make monomer-type coupling assembling 242 can be arranged in the opening 2342 of the opening 2364 of U-shaped sealing ring 236, anti-rotation sealing ring 234 and the opening of inner sealing ring 238; U-shaped sealing ring 236, anti-rotation sealing ring 234 and inner sealing ring 238 can utilize the mode that embeds moulding (Insert Molding), are formed between monomer-type coupling assembling 242 and the battery cover board 210.And nut 240 can place monomer-type coupling assembling 242 earlier, fixed head 2429, anti-rotation 2423 and outside terminal 2422 that reshaping is required.
In one embodiment, wear portion 2424 and can also have square, triangle, or polygon, shape, further to avoid the rotation of monomer-type coupling assembling 242.
In addition; The monomer-type coupling assembling 242 of the utility model also can pass the opening 2364 of U-shaped sealing ring 236, the opening 2342 of anti-rotation sealing ring 234, the opening of inner sealing ring 238 and the opening of nut 240 earlier; Utilize the mode of this punch forming (stamping forming), roll forming (rolling forming) or other metal forming again; To form chi in being anti-rotation 2423 big or fixed head 2428 than the opening 2364 of U-shaped sealing ring 236 and the internal diameter of nut 240, it does not all break away from the spirit and the scope of the utility model.
Therefore; The electrode link block of the utility model can be utilized monomer-type coupling assembling 242; Have formed outside terminal 2422 of single metal and internal terminal (fixed head 2428), effectively reduce the resistance of the electrode link block of battery, and then improve the quality and safety property of battery.
Outside terminal 2422 preferably also can include a screw thread, electrically connects with convenient lithium battery or load with other.The monomer-type coupling assembling of anodal connector is preferably and utilizes the copper metal to constitute, and the monomer-type coupling assembling of negative pole connector is preferably and utilizes aluminum metal to constitute.In addition, the material of U-shaped sealing ring 236 is preferably and utilizes rubber to constitute, and for example is that natural rubber or fluorubber (Fluorine rubber) constitute.
Therefore; Lithium battery of the utility model and electrode link block can be effectively be installed on the nut on the electrode connector among the shell of battery; That is the inboard of battery cover board; So when using battery, the user can not touch nut, can avoid the battery electrode connector to produce situation about getting loose effectively.In addition, through the anti-rotation portion of monomer-type coupling assembling, anti-rotation sealing ring, and the holddown groove of cover board body also can avoid electrode connector when using, to produce the situation of rotation effectively.Moreover the electrode link block of the utility model utilizes the monomer-type coupling assembling also can further improve the fail safe and the quality of battery.
Though the utility model discloses as above with execution mode; Right its is not in order to limit the utility model; Anyly be familiar with this art; In spirit that does not break away from the utility model and scope, when can doing various changes and retouching, so the protection range of the utility model is as the criterion when looking the scope that appending claims defines.
Claims (9)
1. an electrode of lithium cell link block is characterized in that, comprises:
One battery cover board comprises at least one opening; And
At least one electrode connector is installed on this at least one opening of this battery cover board, and wherein, each this at least one electrode connector also comprises:
One monomer-type coupling assembling, this opening via this battery cover board runs through this battery cover board, and wherein this monomer-type coupling assembling comprises an outside terminal, one anti-rotation and a fixed head;
A plurality of sealing rings are installed on this opening of this battery cover board, and this monomer-type coupling assembling is by running through in the middle of those sealing rings;
One nut; Be locked in this monomer-type coupling assembling; And oppress those sealing rings on this battery cover board; Wherein this nut is between this battery cover board and this fixed head, and between this anti-rotation and this fixed head, and the size of this anti-rotation and this fixed head is greater than the internal diameter of this nut.
2. electrode of lithium cell link block according to claim 1 is characterized in that, described sealing ring comprises:
One anti-rotation sealing ring;
One U-shaped sealing ring is coupled in this battery cover board; And
One inner sealing ring is formed at the opposite side of this U-shaped sealing ring with respect to this anti-rotation sealing ring, and wherein the size of this anti-rotation and this fixed head is greater than the internal diameter of this anti-rotation sealing ring, this U-shaped sealing ring and this inner sealing ring.
3. electrode of lithium cell link block according to claim 2 is characterized in that, described anti-rotation sealing ring comprises an anti-rotation groove.
4. electrode of lithium cell link block according to claim 3 is characterized in that, described monomer-type coupling assembling comprises an anti-rotation portion, is coupled with this anti-rotation groove with this anti-rotation sealing ring.
5. electrode of lithium cell link block according to claim 3 is characterized in that described battery cover board also comprises a holddown groove, is coupled with this anti-rotation flange with this anti-rotation sealing ring.
6. electrode of lithium cell link block according to claim 2 is characterized in that, described U-shaped sealing ring is an embedding shaping seal ring, is formed between this monomer-type coupling assembling and this battery cover board.
7. electrode of lithium cell link block according to claim 1 is characterized in that, described monomer-type coupling assembling also comprises:
One fixed part is formed with screw thread, so that this nut is locked in this monomer-type coupling assembling, and oppresses those sealing rings.
8. a lithium battery is characterized in that, comprises:
Like the described electrode of lithium cell link block of arbitrary claim in the claim 1 to 7;
One shell; And
One battery is installed among this shell, and electrically connects with the electrode connector of this electrode of lithium cell link block.
9. lithium battery according to claim 8 is characterized in that, the monomer-type coupling assembling of described electrode connector is to be made up of aluminum metal or copper metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204040809U CN202308098U (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode connection module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204040809U CN202308098U (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode connection module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202308098U true CN202308098U (en) | 2012-07-04 |
Family
ID=46376931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204040809U Expired - Fee Related CN202308098U (en) | 2011-10-19 | 2011-10-19 | Lithium battery and electrode connection module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202308098U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066236A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| US9337451B2 (en) | 2013-07-30 | 2016-05-10 | Johnson Controls Technology Company | System and method for roller interconnection of battery cells |
| WO2020228486A1 (en) * | 2019-05-14 | 2020-11-19 | 宁德时代新能源科技股份有限公司 | Top cover assembly, secondary battery, battery pack, and electrical device |
-
2011
- 2011-10-19 CN CN2011204040809U patent/CN202308098U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066236A (en) * | 2011-10-19 | 2013-04-24 | 黄泓雯 | Lithium battery and electrode link module thereof |
| US9337451B2 (en) | 2013-07-30 | 2016-05-10 | Johnson Controls Technology Company | System and method for roller interconnection of battery cells |
| WO2020228486A1 (en) * | 2019-05-14 | 2020-11-19 | 宁德时代新能源科技股份有限公司 | Top cover assembly, secondary battery, battery pack, and electrical device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121019 |