CN204577510U - A kind of inset type electrode structure - Google Patents
A kind of inset type electrode structure Download PDFInfo
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- CN204577510U CN204577510U CN201520170295.7U CN201520170295U CN204577510U CN 204577510 U CN204577510 U CN 204577510U CN 201520170295 U CN201520170295 U CN 201520170295U CN 204577510 U CN204577510 U CN 204577510U
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- insulating trip
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- base post
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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
A kind of inset type electrode structure, copper-base post is three sections of multidiameters, the small end of copper-base post is provided with the external screw thread of M12 × 1.25; The interlude of copper-base post is 6 lobe plum-type structures; The large end of copper-base post is away from the end face of interlude being concentric circles seal area, and the center of concentric circles seal area is provided with the boss A of band blind hole, and the surface roughness of concentric circles seal area is 1.6; The large end of copper-base post is disposed with lower insulating trip, upper insulating trip, stainless steel gasket from top to bottom on the step surface of interlude; The outer ring of lower insulating trip is disposed with O RunddichtringO, Sealing shield ring from inside to outside; Upper insulating trip is two sections of multidiameters, and the outer ring of upper insulating trip small end is provided with aluminium end cap.The utility model reasonable in design, by force, easy to maintenance, long service life, applies and has good economic and social benefit for pole and end cap torsibility ability.
Description
Technical field
The utility model belongs to new forms of energy, Rechargeable vehicle field, and particularly a kind of inset type electrode structure, is applicable to the electrode structure of rechargeable battery in new energy car battery group.
Background technology
Chemical cell is device chemical energy directly being changed into electric energy.Chemical cell mainly comprises wire as the electrolyte solution in the housing of encapsulant, housing and the positive and negative plate be immersed in described solution and connecting electrode or metal connecting sheet.In chargeable chemical cell, also comprise the circuit board carrying out charging operations further, and above-mentioned electrolyte solution and positive and negative plate etc. are generically and collectively referred to as battery core.Existing lithium ion battery is the one of chemical cell, lithium ion battery is the making active materials for use in secondary electrochemical system device using two kinds of different lithium intercalation compounds that can reversibly embed and deviate from lithium ion as anode and negative pole, during charging, lithium ion is from positive pole deintercalation, through electrolyte and barrier film, be embedded in negative pole.During electric discharge, lithium ion is from negative pole deintercalation, by electrolyte and barrier film, is embedded in positive pole, can circulate repeatedly thus.Lithium ion battery has a wide range of applications at new energy field, such as in electric automobile field, and solar energy or wind energy or the energy storage fields such as energy-accumulating power station of drawing water, especially electric automobile field.
Lithium ion battery composition is primarily of positive plate and negative plate, electrolyte, barrier film, housing etc. forms, housing is made up of end cap and tank body (as aluminum pipe), end cap is then made up of lid and pole, usual end cap and tank body (aluminum pipe) adopt together with laser welding, battery failure is caused with the inside avoiding the water in air and oxygen to enter into battery, in order to avoid housing is charged, insulation measures must be taked between pole and end cap to prevent their conductings, seal approach must be taked simultaneously, battery failure is caused in the inside preventing the water in air and oxygen from entering into battery, pole adopts the cylindrical of strap bolt usually, the effect of bolt is the connection in series-parallel connection of brace when being convenient to assembling between multiple cell, to reach high voltage and high power capacity, be tightened on the bolt of pole with connection metal sheet with nut when connection in series-parallel between multiple cell connects, torsion can be produced to pole in rundown process, the size of torsion can have an impact to the sealing between pole and end cap, torsion is excessive, the sealing between pole and end cap can be destroyed, cause battery failure.The size of the torsibility of prior art is 10N/M, but when battery series-parallel connection connects, nut tightens the bolt of pole is minimum 15N/M in order to be fixedly connected with the optimum value of the torsion of sheet, if be less than 15N/M, then the impedance of battery pack will be large, affects the result of use of battery pack.
Produce between pole and end cap when prior art is in order to prevent connection in series-parallel from connecting and rotate, the hole that pole matches through end cap adopts square, but when assembling applying torsion, tetragonal angle is greatly stressed, and the plastics of destructible sealing, cause seal failure.
Summary of the invention
The purpose of this utility model to solve the problems of the technologies described above.
The purpose of this utility model is achieved in that a kind of inset type electrode structure, comprises copper-base post, it is characterized in that: described copper-base post is three sections of multidiameters, the small end of copper-base post is provided with the external screw thread of M12 × 1.25; The interlude of copper-base post is 6 lobe plum-type structures; The large end of copper-base post is away from the end face of interlude being concentric circles seal area, and the center of concentric circles seal area is provided with the boss A of band blind hole, and the surface roughness of concentric circles seal area is 1.6; The large end of copper-base post is disposed with lower insulating trip, upper insulating trip, stainless steel gasket from top to bottom on the step surface of interlude; The outer ring of lower insulating trip is disposed with O RunddichtringO, Sealing shield ring from inside to outside; Upper insulating trip is two sections of multidiameters, and the outer ring of upper insulating trip small end is provided with aluminium end cap.
The T2 red copper that the material selection copper content of described copper-base post is greater than 99.9%.
Described stainless steel gasket is the pad of 6 lobe blossom types, and the centre of stainless steel gasket is provided with through hole A, and one end of through hole A is provided with chamfering; Through hole A and copper-base post interlude matched in clearance, tolerance range is 0.09 ~ 0.11mm.
The center of described upper insulating trip is provided with 6 lobe blossom type through hole B, and the small end outer ring of upper insulating trip is uniform is provided with six axial grooves, and the small end outer ring of upper insulating trip uniformly in the center circle of outer ring is provided with the boss B that six are with through hole with holding greatly; The center of each axial groove all with the blossom type groove center of through hole B on same straight line; The center of each boss B all with the center of axial groove on same straight line; The material selection tetrafluoroethene of upper insulating trip.
Described aluminium end cap is two sections of multidiameters, and the center of aluminium end cap is provided with through hole C, and the circumferentially uniform of through hole C is provided with six axial boss, and axial boss coordinates with the axial groove of upper insulating trip small end; Through hole C is outer is uniformly provided with six through hole D, the center of each through hole D all with the center of axial boss on same straight line; The side of aluminium end cap is provided with waist-shaped hole, and the center of waist-shaped hole and the center of through hole D are on same straight line, and two long limits of waist-shaped hole are all concentric with through hole C; The material of aluminium end cap adopts aluminium alloy.
Described lower insulating trip is circular gasket, and the center of lower insulating trip is provided with 6 lobe blossom type through hole E, and the outer ring of lower insulating trip is provided with the arc groove of indent.
The material selection tetrafluoroethene of described lower insulating trip.
The material of described O RunddichtringO adopts ethylene propylene diene rubber.
The material selection tetrafluoroethene of described Sealing shield ring, the inner ring size of Sealing shield ring and the maximum overall dimension matched in clearance of O RunddichtringO; The thickness of Sealing shield ring is less than the thickness of O RunddichtringO.
The utility model reasonable in design, by force, easy to maintenance, long service life, applies and has good economic and social benefit for pole and end cap torsibility ability.
Accompanying drawing explanation
Fig. 1 is general assembly drawing of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is explosive view of the present utility model.
Fig. 5 is copper-base post graphics of the present utility model.
Fig. 6 is copper-base post front view of the present utility model.
Fig. 7 is the B-B cutaway view of Fig. 6.
Fig. 8 is stainless steel gasket graphics of the present utility model.
Fig. 9 is stainless steel gasket front view of the present utility model.
Figure 10 is the C-C cutaway view of Fig. 9.
Figure 11 is upper insulating trip graphics of the present utility model.
Figure 12 is upper insulating trip front view of the present utility model.
Figure 13 is the D-D cutaway view of Figure 12.
Figure 14 is aluminium end cap front view of the present utility model.
Figure 15 is the E-E cutaway view of Figure 14.
Figure 16 is lower insulating trip front view of the present utility model.
Figure 17 is the F-F cutaway view of Figure 16.
In figure: 1. copper-base post; 2. stainless steel gasket; 3. go up insulating trip; 4. aluminium end cap; 5. descend insulating trip; 6.O RunddichtringO; 7. Sealing shield ring; 101. boss A; 201. chamfering; 202. through hole A; 301. axial groove; 302. through hole B; 303. boss B; 401. through hole C; 402. axial boss; 403. through hole D; 404. waist-shaped hole; 501. through hole E; 502. arc groove.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but not as to restriction of the present utility model:
A kind of inset type electrode structure, comprises copper-base post 1, it is characterized in that: described copper-base post 1 is three sections of multidiameters, the small end of copper-base post 1 is provided with the external screw thread of M12 × 1.25; The interlude of copper-base post 1 is 6 lobe plum-type structures; End is away from the end face of interlude being copper-base post 1 concentric circles seal area greatly, and the center of concentric circles seal area is provided with the boss A101 of band blind hole, and the surface roughness of concentric circles seal area is 1.6; Copper-base post 1 greatly end is disposed with lower insulating trip 5, upper insulating trip 3, stainless steel gasket 2 from top to bottom on the step surface of interlude; The outer ring of lower insulating trip 5 is disposed with O RunddichtringO 6, Sealing shield ring 7 from inside to outside; Upper insulating trip 3 is two sections of multidiameters, and the outer ring of upper insulating trip 3 small end is provided with aluminium end cap 4; The T2 red copper that the material selection copper content of described copper-base post 1 is greater than 99.9%; Described stainless steel gasket 2 is the pad of 6 lobe blossom types, and the centre of stainless steel gasket 2 is provided with through hole A202, and one end of through hole A202 is provided with chamfering 201; Through hole A202 and copper-base post 1 interlude matched in clearance, tolerance range is 0.09 ~ 0.11mm; The center of described upper insulating trip 3 is provided with 6 lobe blossom type through hole B302, and the small end outer ring of upper insulating trip 3 is uniform is provided with six axial grooves 301, and the small end outer ring of upper insulating trip 3 uniformly in the center circle of outer ring is provided with the boss B303 that six are with through hole with holding greatly; The center of each axial groove 301 all with the blossom type groove center of through hole B302 on same straight line; The center of each boss B303 all with the center of axial groove 301 on same straight line; Described aluminium end cap 4 is two sections of multidiameters, and the center of aluminium end cap 4 is provided with through hole C401, and the circumferentially uniform of through hole C401 is provided with six axial boss 402, and axial boss 402 coordinates with the axial groove 301 of upper insulating trip 3 small end; Through hole C401 is outer is uniformly provided with six through hole D403, the center of each through hole D403 all with the center of axial boss 402 on same straight line; The side of aluminium end cap 4 is provided with waist-shaped hole 404, and the center of waist-shaped hole 404 and the center of through hole D403 are on same straight line, and two long limits of waist-shaped hole 404 are all concentric with through hole C401; Described lower insulating trip 5 is circular gasket, and the center of lower insulating trip 5 is provided with 6 lobe blossom type through hole E501, and the outer ring of lower insulating trip 5 is provided with the arc groove 502 of indent; The material selection tetrafluoroethene of described lower insulating trip 5; The material of described O RunddichtringO 6 adopts ethylene propylene diene rubber; The material selection tetrafluoroethene of described Sealing shield ring 7, the inner ring size of Sealing shield ring 7 and the maximum overall dimension matched in clearance of O RunddichtringO 6; The thickness of Sealing shield ring 7 is less than the thickness of O RunddichtringO 6; The material of described aluminium end cap 4 adopts aluminium alloy; The material selection tetrafluoroethene of described upper insulating trip 3.
Principle of the present utility model: after all component assembling, the plum-type structure pole expansion jam-packed stainless steel gasket 2 under pressure of copper-base post 1 interlude, forms seal area after the O RunddichtringO 6 in centre position is squeezed between copper-base post 1 and aluminium end cap 4; Copper-base post 1, Sealing shield ring 7, aluminium end cap 4, stainless steel gasket 2 fit in one by 6 lobe plum-type structures, when the extraneous torsion applied evenly can be shared in use procedure, guarantee that total is repeatedly repeating the complete of holding structure and sealing property under large torsion.
During concrete enforcement, 1), the external screw thread of copper-base post 1 small end is used for the interelectrode connection of each battery core, is convenient to electrode connection; Interlude is 6 lobe blossom types, and the surface roughness of large end near interlude side is 1.6, can realize the sealing effectiveness after compressing with O RunddichtringO 6; 2), upper insulating trip 3 can form insulating barrier inside the hole of the interlude of copper-base post 1 and aluminium end cap 4, and the upper axial groove 301 of insulating trip 3 small end coordinates with the axial boss 402 of aluminium end cap 4, can guarantee to rotate when stressed simultaneously; On upper insulating trip 3,6 protruding boss B303 coordinate with the through hole D of aluminium end cap 4, the torsion play assembling and positioning and promote torsional property effect, can disperse, being subject to when strengthening battery core use; 3), lower insulating trip 5 can in aluminium end cap 4 small end end face and copper-base post 1 conducting between end stand terrace greatly; 4), O RunddichtringO 6 is enclosed within the outer ring of lower insulating trip 5, and the end face being pressed in copper-base post 1 end face and aluminium end cap 4 respectively forms sealing area; 5), Sealing shield ring 7 can limit the displacement of O RunddichtringO 6 after swaging becomes in controlled scope, guarantees that O RunddichtringO can be compressed smoothly, can increase the insulation area between copper-base post and aluminium end cap simultaneously; 6), the outer ring step of aluminium end cap 4 matches with the tubular structure of battery core; The step of aluminium end cap 4 is assemblied on battery core sleeve, after welding, form closed electrolyte liquor chamber; 7), the upper surface of copper-base post 1 plum-type structure by after compression swelling, outwards, extruding stainless steel gasket 2 downwards; Pressure is again after stainless steel gasket 2 is successively transmitted downwards, and extruding O RunddichtringO 6 also fixes whole electrode structure.
Obviously, above-described embodiment is only for the utility model example is clearly described, and the restriction not to execution mode.For those of ordinary skill in the field; can also make other changes in different forms on the basis of the above description; here exhaustive without the need to also giving all execution modes, and thus the apparent change of amplifying out or variation be still among protection range of the present utility model.
Claims (9)
1. an inset type electrode structure, comprises copper-base post (1), it is characterized in that: described copper-base post (1) is three sections of multidiameters, the small end of copper-base post (1) is provided with the external screw thread of M12 × 1.25; The interlude of copper-base post (1) is 6 lobe plum-type structures; End is away from the end face of interlude being copper-base post (1) concentric circles seal area greatly, and the center of concentric circles seal area is provided with the boss A (101) of band blind hole, and the surface roughness of concentric circles seal area is 1.6; Copper-base post (1) greatly end is disposed with lower insulating trip (5), upper insulating trip (3), stainless steel gasket (2) from top to bottom on the step surface of interlude; The outer ring of lower insulating trip (5) is disposed with O RunddichtringO (6), Sealing shield ring (7) from inside to outside; Upper insulating trip (3) is two sections of multidiameters, and the outer ring of upper insulating trip (3) small end is provided with aluminium end cap (4).
2. a kind of inset type electrode structure according to claim 1, is characterized in that: the T2 red copper that the material selection copper content of described copper-base post (1) is greater than 99.9%.
3. a kind of inset type electrode structure according to claim 1, it is characterized in that: described stainless steel gasket (2) is the pad of 6 lobe blossom types, the centre of stainless steel gasket (2) is provided with through hole A (202), and one end of through hole A (202) is provided with chamfering (201); Through hole A (202) and copper-base post (1) interlude matched in clearance, tolerance range is 0.09 ~ 0.11mm.
4. a kind of inset type electrode structure according to claim 1, it is characterized in that: the center of described upper insulating trip (3) is provided with 6 lobe blossom type through holes B (302), the small end outer ring of upper insulating trip (3) is uniform is provided with six axial grooves (301), and the small end outer ring of upper insulating trip (3) uniformly in the center circle of outer ring is provided with the boss B (303) that six are with through hole with holding greatly; The center of each axial groove (301) all with the blossom type groove center of through hole B (302) on same straight line; The center of each boss B (303) all with the center of axial groove (301) on same straight line; The material selection tetrafluoroethene of upper insulating trip (3).
5. a kind of inset type electrode structure according to claim 1 or 4, it is characterized in that: described aluminium end cap (4) is two sections of multidiameters, the center of aluminium end cap (4) is provided with through hole C (401), the circumferentially uniform of through hole C (401) is provided with six axial boss (402), and axial boss (402) coordinates with the axial groove (301) of upper insulating trip (3) small end; Through hole C (401) is uniform is outward provided with six through hole D (403), the center of each through hole D (403) all with the center of axial boss (402) on same straight line; The side of aluminium end cap (4) is provided with waist-shaped hole (404), the center of waist-shaped hole (404) and the center of through hole D (403) are on same straight line, and two long limits of waist-shaped hole (404) are all concentric with through hole C (401); The material of aluminium end cap (4) adopts aluminium alloy.
6. a kind of inset type electrode structure according to claim 1, it is characterized in that: described lower insulating trip (5) is circular gasket, the center of lower insulating trip (5) is provided with 6 lobe blossom type through holes E (501), and the outer ring of lower insulating trip (5) is provided with the arc groove (502) of indent.
7. a kind of inset type electrode structure according to claim 1, is characterized in that: the material selection tetrafluoroethene of described lower insulating trip (5).
8. a kind of inset type electrode structure according to claim 1, is characterized in that: the material of described O RunddichtringO (6) adopts ethylene propylene diene rubber.
9. a kind of inset type electrode structure according to claim 1, it is characterized in that: the material selection tetrafluoroethene of described Sealing shield ring (7), the inner ring size of Sealing shield ring (7) and the maximum overall dimension matched in clearance of O RunddichtringO (6); The thickness of Sealing shield ring (7) is less than the thickness of O RunddichtringO (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170295.7U CN204577510U (en) | 2015-03-25 | 2015-03-25 | A kind of inset type electrode structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520170295.7U CN204577510U (en) | 2015-03-25 | 2015-03-25 | A kind of inset type electrode structure |
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| CN204577510U true CN204577510U (en) | 2015-08-19 |
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| CN201520170295.7U Active CN204577510U (en) | 2015-03-25 | 2015-03-25 | A kind of inset type electrode structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701488A (en) * | 2015-03-25 | 2015-06-10 | 靖江先锋半导体科技有限公司 | Insert type quincunx electrode structure |
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2015
- 2015-03-25 CN CN201520170295.7U patent/CN204577510U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701488A (en) * | 2015-03-25 | 2015-06-10 | 靖江先锋半导体科技有限公司 | Insert type quincunx electrode structure |
| CN104701488B (en) * | 2015-03-25 | 2016-10-12 | 靖江先锋半导体科技有限公司 | Inset type blossom type electrode structure |
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Address after: 214500 No. 195, Xingang Avenue, Jingjiang Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: Jiangsu Xianfeng Precision Technology Co.,Ltd. Address before: No. 8, Deyu Road, Chengnan Development Zone, Jingjiang City, Taizhou City, Jiangsu Province, 214500 Patentee before: JINGJIANG XIANFENG SEMICONDUCTOR TECHNOLOGY CO.,LTD. |