CN205211802U - Secondary cell top cap and secondary cell - Google Patents
Secondary cell top cap and secondary cell Download PDFInfo
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- CN205211802U CN205211802U CN201520975758.7U CN201520975758U CN205211802U CN 205211802 U CN205211802 U CN 205211802U CN 201520975758 U CN201520975758 U CN 201520975758U CN 205211802 U CN205211802 U CN 205211802U
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- secondary cell
- brace
- pole body
- top cover
- hole
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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
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Abstract
The utility model provides a secondary cell top cap and secondary cell. The secondary cell top cap includes top cap piece and utmost point post, and the top cap piece is provided with the through -hole, and utmost point post passes the through -hole and is connected with secondary cell's electric core electricity. Wherein, utmost point post includes: go up utmost point cylinder, be located top cap piece top, have the bellied connection piece that the electricity is connected with outside electrical connector grafting that is used for that makes progress, and the anus cylinder, be located top cap piece below for connect secondary cell's electric core and last utmost point cylinder electricity. Secondary cell includes aforementioned secondary cell top cap. In the basis the utility model discloses an among the secondary cell top cap and secondary cell, the connection piece of going up utmost point cylinder is used for pegging graft with outside electrical connector, and the anus cylinder is used for the electricity to connect secondary cell's electric core and last utmost point cylinder to realize quick and reliable connection between the battery, avoided connecting not hard up phenomenon, and then improved the connection reliability between the battery.
Description
Technical field
The utility model relates to electrokinetic cell technical group field, particularly relates to a kind of secondary cell top cover and secondary cell.
Background technology
Along with the development of modern society and environmental energy problem increasingly severe, low-carbon environment-friendly performance source has become the inevitable choice of economic development, increasing equipment choice secondary cell is as power reserves, and the application development for secondary cell provides wide development space.Specifically, electrokinetic cell generally comprises power battery core and holds the metal shell of described power battery core, and metal shell generally comprises housing main body and top cover.Therefore, considering that there is vital effect the aspect such as cost and reliability design in the whole design process of product, is also one of most important part in product design.
The cap structure design form of existing electrokinetic cell, in the operation forming battery pack, pole between battery connects only can adopt laser welding process, or bolt connects, laser welding completes welding by Laser Deep Penetration Welding, require higher to welding surface cleanliness, little to dirty tolerance degree, and the metallic particles that cannot solve welding generation affects the safety requirements of insulating properties.And bolt connects the easily sliding inefficacy such as tooth, loosened screw of generation pole, the reliability connected cannot be guaranteed.
Utility model content
In view of Problems existing in background technology, an object of the present utility model is to provide a kind of secondary cell top cover and secondary cell, and it is simple for assembly process, improves production efficiency, and reduces manufacturing cost.
Another object of the present utility model is to provide a kind of secondary cell top cover and secondary cell, and it to realize between battery fast and connect reliably, avoids the phenomenon connecting and loosen, improves the connection reliability between battery.
To achieve these goals, in first aspect, the utility model provides a kind of secondary cell top cover, and it comprises coping plate and pole, and coping plate is provided with through hole, and pole is electrically connected with the battery core of secondary cell through through hole.Wherein, pole comprises: upper pole body, is positioned at above coping plate, has the brace be electrically connected for the arrangements of electric connection grafting with outside raised up; And lower pole body, be positioned at below coping plate, for the battery core of secondary cell and upper pole body are electrically connected.
To achieve these goals, in second aspect, the utility model provides a kind of secondary cell, and it comprises the secondary cell top cover according to the utility model first aspect.
The beneficial effects of the utility model are as follows:
According in secondary cell top cover of the present utility model and secondary cell, the brace of upper pole body is used for the arrangements of electric connection grafting with outside, lower pole body is for being electrically connected the battery core of secondary cell and upper pole body, thus to realize between battery fast and connect reliably, avoid the phenomenon connecting and loosen, and then improve the connection reliability between battery.
Accompanying drawing explanation
Fig. 1 is the stereogram according to secondary cell top cover of the present utility model, for the sake of clarity, also show secondary cell;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the profile of Fig. 2 along C-C line;
Fig. 4 is the profile of Fig. 2 along C-C line, for convenience's sake, illustrate only part near pole;
Fig. 5 is the exploded view of Fig. 4;
Fig. 6 is a deformation pattern of Fig. 4;
Fig. 7 is the exploded view of Fig. 6;
Fig. 8 be with according to secondary cell top cover of the present utility model with the use of the stereogram of two electric connectors;
Fig. 9 is the cutaway view of an electric connector in Fig. 8;
Figure 10 is the amplification stereogram of a part for brace in Fig. 5;
Figure 11 is the stereogram of an alternate embodiment of Figure 10;
Figure 12 is the stereogram of another alternate embodiment of Figure 10;
Figure 13 is the stereogram of the another alternate embodiment of Figure 10.
Wherein, description of reference numerals is as follows:
1 coping plate 3 upper insulator
11 through hole 31 legs
2 pole 311 hole clippings
Pole body 312 positioning convex portion on 21
211 brace 32 diapires
2111 fuse part 321 through holes
2112 through hole 4 sealing rings
2113 notch 5 lower insulators
2114 indentation 6 electric connectors
212 top bottom-disc 61 buckles
2121 opening 62 detents
213 protruded stigma T thickness directions
22 times pole body L length directions
221 low bottom-disc 2211 perforate H short transverses
222 projections
Embodiment
Describe in detail with reference to the accompanying drawings according to secondary cell top cover of the present utility model and secondary cell.
First secondary cell top cover according to the utility model first aspect is described.
Referring to figs. 1 through Figure 12, comprise coping plate 1 and pole 2 according to secondary cell top cover of the present utility model, coping plate is provided with through hole 11, and pole 2 is electrically connected with the battery core (not shown) of secondary cell through through hole 11.Pole 2 comprises: upper pole body 21, is positioned at above coping plate 1, has the brace 211 be electrically connected for arrangements of electric connection 6 grafting with outside raised up; And lower pole body 22, be positioned at below coping plate 1, for the battery core of secondary cell and upper pole body 21 are electrically connected.
According in secondary cell top cover of the present utility model, the brace 211 of upper pole body 21 is for arrangements of electric connection 6 grafting with outside, lower pole body 22 is for being electrically connected the battery core of secondary cell and upper pole body 21, thus to realize between battery fast and connect reliably, avoid the phenomenon connecting and loosen, and then improve the connection reliability between battery.
In one embodiment, lower pole body 22 can be integral type with upper pole body 21; With reference to Fig. 4 to Fig. 7, lower pole body 22 also can mode link together removably with upper pole body 21, this connected mode simple for assembly process, convenient operation, can enhance productivity and reduce manufacturing cost, therefore, in the utility model, preferably connected mode removably connects lower pole body 22 and upper pole body 21.Further, above-mentioned mode removably can be and is threaded, rivets or interference fit, certainly not only for so, also can select other connected mode.
In one embodiment, pole 2 is applicable to the positive pole of secondary cell or/and negative pole, and has at least one to insulate with coping plate 1 in positive pole and negative pole.When pole 2 is applicable to the positive pole of secondary cell and positive pole and coping plate 1 insulate, insulator (not shown) can be set in the through hole 11 of corresponding positive pole; When pole 2 is applicable to the negative pole of secondary cell and negative pole and coping plate 1 insulate, insulator (not shown) can be set in the through hole 11 of corresponding negative pole.
In one embodiment, the thickness of the brace 211 of upper pole body 21 can be 0.5mm ~ 5mm, and this is the thickness range of the preferred brace 211 of the utility model, but not only for so, also can suitably adjust as the case may be.
In one embodiment, the brace 211 of upper pole body 21 can be one or more.
In one embodiment, with reference to Figure 10 to Figure 13, brace 211 can have: fuse part 2111.
In one embodiment, brace 211 can be provided with the through hole 2112 of the through brace 211 of thickness direction T along brace 211, to form the fuse part 2111 of brace 211.Particularly, with reference to Figure 10, being arranged on through hole 2112 on brace 211 can for along the through and long through-hole that extends of L along its length of the thickness direction T of brace 211; With reference to Figure 11, the through hole 2112 be arranged on the brace 211 length direction L that also can be along brace 211 is arranged in the multiple little round tube hole on brace 211.Here remark additionally, be above-mentionedly arranged on through hole 2112 on brace 211 not only for as described, according to shape and the size of concrete brace 211, the size of through hole 2112, shape, number and position all can suitably adjust.
In one embodiment, with reference to Figure 10 and Figure 11, the through hole 2112 of through brace 211 can be one or more.
In one embodiment, with reference to Figure 12, brace 211 can offer notch 2113 at the two ends of the length direction L of brace 211, to form the fuse part 2111 of brace 211 between two notches 2113, this is the mode of the preferred otch 2113 of the utility model, certainly do not limit so, only can offer notch 2113 in one end of brace 211 yet.
In one embodiment, with reference to Figure 13, brace 211 is provided with indentation 2114 in the both sides of the thickness direction T of brace 211, to form the fuse part 2111 of brace 211 at brace 211 and the corresponding region of indentation 2114.Here remark additionally, be arranged on the length of the indentation 2114 on brace 211, width and shape and all can carry out appropriate change according to the shape of concrete brace 211 and size.
Here remark additionally, the direction vertical with length direction L with the thickness direction T of brace 211 is the short transverse H of brace 211, as shown in Figure 10 to Figure 13.
In one embodiment, with reference to Fig. 4 and Fig. 5, upper pole body 21 also can have: top bottom-disc 212, to be positioned at below brace 211 and to be electrically connected on brace 211, having the opening 2121 aimed at the through hole 11 of coping plate 1.Wherein, top bottom-disc 212 and brace 211 can be integral types, also can be split type.Lower pole body 22 can have: low bottom-disc 221, for being electrically connected on the battery core of secondary cell; And projection 222, extend up through the through hole 11 of coping plate 1 from low bottom-disc 221 and enter the opening 2121 of upper pole body 21 and be connected removably with the wall of the opening 2121 of upper pole body 21.Further, the opening 2121 of upper pole body 21 can through top bottom-disc 212 or not through top bottom-disc 212.
In one embodiment, with reference to Fig. 6 and Fig. 7, lower pole body 22 has: low bottom-disc 221, for being electrically connected on the battery core of secondary cell, and has the perforate 2211 of aiming at the through hole 11 of coping plate 1.Upper pole body 21 also has: top bottom-disc 212, to be positioned at below brace 211 and to be electrically connected on brace 211; And protruded stigma 213, extend downwardly through the through hole 11 of coping plate 1 from top bottom-disc 212 and enter the perforate 2211 of lower pole body 22 and be connected removably with the wall of the perforate 2211 of lower pole body 22.Wherein, top bottom-disc 212 and brace 211 can be integral types, also can be split type.Further, the perforate 2211 of lower pole body 22 can through low bottom-disc 221 or not through low bottom-disc 221.
In one embodiment, referring to figs. 1 through Fig. 7, secondary cell top cover also can comprise: upper insulator 3.Upper insulator 3 has: leg 31, arranges around brace 211, for coordinating with arrangements of electric connection 6 grafting of outside, is assembled together with outside arrangements of electric connection 6 to make upper insulator 3; And diapire 32, between brace 211 and coping plate 1, and be formed with the through hole 321 kept supplying pole body 21 and lower pole body 22 and be connected use removably.Wherein, through hole 321 is directly used in the protruded stigma 213 of the projection 222 of lower pole body 22 or upper pole body 21 with the use of to make upper insulator 3, upper pole body 21 and lower pole body 22 be connected removably.
In one embodiment, with reference to Fig. 1, Fig. 2 and Fig. 4 to Fig. 7, the leg 31 of upper insulator 3 offers hole clipping 311, and hole clipping 311 is combined for the buckle 61 of the arrangements of electric connection 6 with outside.
In one embodiment, the leg 31 of upper insulator 3 offers buckle (not shown), and buckle 312 is combined for the hole clipping (not shown) of the arrangements of electric connection 6 with outside.
In one embodiment, referring to figs. 1 through Fig. 7, the leg 31 of upper insulator 3 is provided with positioning convex portion 312, and positioning convex portion 312 is combined for the detent 62 of the arrangements of electric connection 6 with outside.
In one embodiment, the leg 31 of upper insulator 3 is provided with location indentations (not shown), and location indentations is used for being combined with the positioning convex portion (not shown) of the arrangements of electric connection 6 of outside.
In one embodiment, with reference to Fig. 4 and Fig. 6, secondary cell top cover also can comprise: sealing ring 4, is installed on lower pole body 22, and between coping plate 1 and lower pole body 22, for the through hole 11 of coping plate 1 is sealed.
In one embodiment, with reference to Fig. 4 and Fig. 6, secondary cell top cover also can comprise: lower insulator 5, to be installed on lower pole body 22 and between coping plate 1 and lower pole body 22.
Secondly secondary cell according to the utility model second aspect is described.
The secondary cell top cover according to the utility model first aspect is comprised according to the secondary cell of the utility model second aspect.
According in secondary cell of the present utility model, secondary cell can be lithium rechargeable battery, sodium ion secondary battery or zinc ion secondary cell.
Claims (10)
1. a secondary cell top cover, comprise coping plate (1) and pole (2), coping plate is provided with through hole (11), pole (2) is electrically connected with the battery core of secondary cell through through hole (11), it is characterized in that, pole (2) comprising:
Upper pole body (21), is positioned at coping plate (1) top, has the brace (211) be electrically connected for arrangements of electric connection (6) grafting with outside raised up; And
Lower pole body (22), is positioned at coping plate (1) below, for the battery core of secondary cell and upper pole body (21) being electrically connected.
2. the top cover of secondary cell according to claim 1, is characterized in that, lower pole body (22) and upper pole body (21) link together for integral type or in mode removably.
3. secondary cell top cover according to claim 1, is characterized in that, brace (211) has: fuse part (2111).
4. secondary cell top cover according to claim 3, is characterized in that,
Brace (211) is provided with the through hole (2112) of thickness direction (T) the through brace (211) along brace (211), to form the fuse part (2111) of brace (211); Or
Brace (211) offers notch (2113) at the two ends of the length direction (L) of brace (211), to form the fuse part (2111) of brace (211) between two notches (2113); Or
Brace (211) is provided with indentation (2114) in the both sides of the thickness direction (T) of brace (211), to form the fuse part (2111) of brace (211) at brace (211) and the corresponding region of indentation (2114).
5. secondary cell top cover according to claim 1, is characterized in that,
Upper pole body (21) also has:
Top bottom-disc (212), is positioned at brace (211) below and is electrically connected on brace (211), having the opening (2121) aimed at the through hole of coping plate (1) (11);
Lower pole body (22) has:
Low bottom-disc (221), for being electrically connected on the battery core of secondary cell; And
Projection (222), extends up through the through hole (11) of coping plate (1) from low bottom-disc (221) and enters the opening (2121) of upper pole body (21) and be connected removably with the wall of the opening (2121) of upper pole body (21).
6. secondary cell top cover according to claim 1, is characterized in that,
Lower pole body (22) has:
Low bottom-disc (221), for being electrically connected on the battery core of secondary cell, and has the perforate (2211) of aiming at the through hole of coping plate (1) (11);
Upper pole body (21) also has:
Top bottom-disc (212), is positioned at brace (211) below and is electrically connected on brace (211); And
Protruded stigma (213), extends downwardly through the through hole (11) of coping plate (1) from top bottom-disc (212) and enters the perforate (2211) of lower pole body (22) and be connected removably with the wall of the perforate (2211) of lower pole body (22).
7. the secondary cell top cover according to claim 5 or 6, is characterized in that, secondary cell top cover also comprises:
Upper insulator (3), has:
Leg (31), is arranged around brace (211), for coordinating with arrangements of electric connection (6) grafting of outside, is assembled together with outside arrangements of electric connection (6) to make upper insulator (3); And
Diapire (32), be positioned between brace (211) and coping plate (1), and be formed with the through hole (321) kept supplying pole body (21) and lower pole body (22) and be connected use removably.
8. secondary cell top cover according to claim 1, is characterized in that, secondary cell top cover also comprises:
Sealing ring (4), is installed on lower pole body (22), and is positioned between coping plate (1) and lower pole body (22), for being sealed by the through hole (11) of coping plate (1).
9. secondary cell top cover according to claim 1, is characterized in that, secondary cell top cover also comprises:
Lower insulator (5), is installed on lower pole body (22) and goes up and be positioned between coping plate (1) and lower pole body (22).
10. a secondary cell, is characterized in that, comprises the secondary cell top cover according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975758.7U CN205211802U (en) | 2015-12-01 | 2015-12-01 | Secondary cell top cap and secondary cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975758.7U CN205211802U (en) | 2015-12-01 | 2015-12-01 | Secondary cell top cap and secondary cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211802U true CN205211802U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975758.7U Active CN205211802U (en) | 2015-12-01 | 2015-12-01 | Secondary cell top cap and secondary cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN205211802U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505163A (en) * | 2016-11-30 | 2017-03-15 | 东莞塔菲尔新能源科技有限公司 | A kind of electrokinetic cell coping plate and the assembling structure of pole |
| CN106532099A (en) * | 2016-11-30 | 2017-03-22 | 东莞塔菲尔新能源科技有限公司 | Power battery and top cover thereof |
| CN109755422A (en) * | 2017-11-03 | 2019-05-14 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| WO2023184540A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
-
2015
- 2015-12-01 CN CN201520975758.7U patent/CN205211802U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505163A (en) * | 2016-11-30 | 2017-03-15 | 东莞塔菲尔新能源科技有限公司 | A kind of electrokinetic cell coping plate and the assembling structure of pole |
| CN106532099A (en) * | 2016-11-30 | 2017-03-22 | 东莞塔菲尔新能源科技有限公司 | Power battery and top cover thereof |
| WO2018099094A1 (en) * | 2016-11-30 | 2018-06-07 | 东莞塔菲尔新能源科技有限公司 | Assembling structure for cap plate and electrode terminal post of power battery |
| US10862081B2 (en) | 2016-11-30 | 2020-12-08 | Jiangsu Tafel New Energy Technology Co., Ltd | Assembly structure of cover and terminal for power battery |
| CN106532099B (en) * | 2016-11-30 | 2023-08-18 | 江苏正力新能电池技术有限公司 | Power battery and top cover thereof |
| CN109755422A (en) * | 2017-11-03 | 2019-05-14 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| CN109755422B (en) * | 2017-11-03 | 2021-09-14 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| WO2023184540A1 (en) * | 2022-04-02 | 2023-10-05 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electric device |
| EP4280368A4 (en) * | 2022-04-02 | 2024-04-10 | Contemporary Amperex Technology Co Ltd | Battery cell, battery and electric device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |