CN102543488A - Capacitor sealing cover and capacitor - Google Patents
Capacitor sealing cover and capacitor Download PDFInfo
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- CN102543488A CN102543488A CN2012100540655A CN201210054065A CN102543488A CN 102543488 A CN102543488 A CN 102543488A CN 2012100540655 A CN2012100540655 A CN 2012100540655A CN 201210054065 A CN201210054065 A CN 201210054065A CN 102543488 A CN102543488 A CN 102543488A
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- capacitor
- lid
- housing
- lead terminal
- seal cover
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Abstract
The invention provides a capacitor sealing cover and a capacitor. The capacitor comprises a housing consisting of an open end and a closed end, a core arranged in the housing from the open end of the housing, a sealing cover and a second lead wire terminal, wherein the sealing cover comprises a cover body and a first lead wire terminal made of metal and serving as a lead-out pole of the capacitor; the second lead wire terminal is made of metal and serves as another lead-out pole of the capacitor; the cover body is made of an insulating material and a connection hole is formed on the cover body; the first lead wire terminal is embedded in the connection hole in a matched manner, and two ends of the first lead wire terminal respectively extend out of two end parts of the cover body; one end of the first lead wire terminal embedded in the connection hole is connected with the core of the housing; the second lead wire terminal is positioned on the outer side of the closed end of the housing and is integrally connected with the closed end of the housing; and one end of the second lead wire terminal is connected with the core in the housing. The sealing cover provided by the invention is used for the capacitor.
Description
Technical field
The present invention relates to capacitor devices, relate in particular to a kind of capacitor with seal cover and capacitor.
Background technology
Ultracapacitor (Electric double-layer capacitor) is the electrochemical energy storage element between conventional general capacitor and battery that development in recent years is got up; Because it has the power density height, recycles the advantage that the life-span is long and charging rate is fast, has broad application prospects in multiple fields such as mobile communication, solar power generation, wind power generation, information technology and electric automobiles.
The tradition ultracapacitor, generally include an end opening metal shell, be positioned at the housing fuse and in order to the sealing plug of seal casinghousing openend.For ultracapacitor is connected with external electric, the both positive and negative polarity guide pin of ultracapacitor all passes from sealing usually beyond the Great Wall; Because the sealing plug adopts insulating material to process usually, so sealing property is better relatively.But when ultracapacitor is carried out high current charge-discharge; Thereby, the both positive and negative polarity guide pin causes that the cross-sectional area of single electrode guide pin (anodal guide pin/negative pole guide pin) is limited to become less because of all being arranged in same sealing plug; The both positive and negative polarity guide pin is easy to burn, and causes whole ultracapacitor to be scrapped.
In order to improve ultracapacitor high current charge-discharge ability; Part ultracapacitor manufacturers design a kind of ultracapacitor; This ultracapacitor also comprises the metal shell of an end opening; The openend of this metal shell is sealed by metallic sealed cover, and metal shell insulate with metallic sealed cover mutually, makes the ultracapacitor anode and cathode terminals lay respectively at an end of housing and the outside of metallic sealed cover.In order to increase the overcurrent capability of this anode and cathode terminals; The cross-sectional area of this anode and cathode terminals is increased, though the ultracapacitor of this kind structure has solved ultracapacitor when heavy-current discharge, the technical problem that the both positive and negative polarity guide pin burns easily to a certain extent; But in seal process; If because of careless manipulation, cause metallic sealed cover and metal shell to be conducted, and then cause the ultracapacitor short circuit.In addition, when between metallic sealed cover and metal shell, sealing, if misoperation is easy to produce leakage, sealing effectiveness is poor.In addition, metallic sealed cover is owing to adopting metal material to process, so its manufacturing cost is high.Comprehensive above product technology shortcoming is necessary the supercapacitor structures of this capacitor seal cover and application sealing lid is improved.
Summary of the invention
The technical problem that the present invention will solve provides a kind of capacitor and uses seal cover, and this capacitor is used the seal cover low cost of manufacture, and good sealing effect and can effectively prevent the ultracapacitor leakage.
Another technical problem that the present invention will solve provides a kind of capacitor, this capacitor can avoid former because of seal cover thereby the leakage that causes, short circuit, anode and cathode terminals because of technological deficiencies such as high current charge-discharge burn.
In order to realize the object of the invention, in first aspect of the present invention, the invention provides a kind of capacitor and use seal cover, comprising: lid; Lead terminal is processed and as the extraction pole of capacitor by metal material.A connecting hole is processed and on lid, offered to lid by insulating material; Lead terminal has one, and lead terminal is embedded in the connecting hole suitablely and stretch out from the both ends of lid respectively at the two ends of lead terminal.
Preferably, be formed with the annular projection that extends along the edge direction of lid at edge's protrusion near lid.
In order to realize the object of the invention, in second aspect of the present invention, the invention provides a kind of capacitor, comprising: housing comprises openend and blind end; Fuse places in the housing from the openend of housing; Seal cover, seal cover comprise lid and are processed and as a lead terminal of an extraction pole of capacitor by metal material; And another lead terminal, process and as another extraction pole of capacitor by metal material.Wherein, a connecting hole is processed and on lid, offered to lid by insulating material; A said lead terminal is embedded in the connecting hole suitablely and stretch out from the both ends of lid respectively at the two ends of a said lead terminal, and an end of wherein inlaying a said lead terminal that is positioned at connecting hole links to each other with the fuse that is positioned at housing.Wherein, said another lead terminal be positioned at housing the blind end outside, be connected as one with the blind end of housing and an end of said another lead terminal links to each other with the fuse that is positioned at housing.
Preferably, be formed with the annular projection that extends along the edge direction of lid at edge's protrusion near lid; Above annular projection, cover also and closely pressed sealing ring, seal diameter and lid diameter are suitable.
Compared with prior art, the present invention has following beneficial effect:
(1) because capacitor seal cover of the present invention adopts insulating material to process; So the seal cover that relative traditional metal materials is processed has low cost of manufacture; And because this capacitor seal cover adopts insulating material to process; So the sealing of its relative prior art material this to have elasticity strong, advantage of good sealing effect.
(2) because capacitor seal cover of the present invention is processed by insulating material, in its connecting hole, be inlaid with lead terminal, and the lead terminal that is embedded in this connecting hole has one; Therefore, the sealing lid has enough spaces and holds larger-diameter capacitor lead wire terminal, therefore; Use the seal cover of this capacitor,, have the capacitor of sealing lid to carry out when high current charge-discharge so use because its lead terminal diameter is bigger; And can not burn, and then improved the useful life of capacitor.
(3) because the edge of seal cover of the present invention protrusion is formed with the annular projection that extends along the edge direction of said lid; So, when the housing that uses the sealing lid to capacitor seals, because elastic sealing cover and annular projection are to the dual-seal effect of the liquid in the capacitor; Compare with the traditional metal seal cover; It is better that the present invention has sealing effectiveness, so can prevent because of the capacitor seal cover poorly sealed, the technological deficiency that causes the electrolyte in the capacitor to flow out.
(4) because seal cover of the present invention adopts insulating material to process, thus can avoid when careless manipulation, causing metallic sealed cover and metal shell to be conducted because of adopting metallic sealed cover, and then cause the phenomenon of ultracapacitor short circuit to take place.
Description of drawings
Fig. 1 is preceding the go up top perspective view of capacitor according to the present invention with seal cover;
Fig. 2 is the preceding down face upwarding stereogram of capacitor according to the present invention with seal cover;
Fig. 3 capacitor according to the present invention is with the front view of seal cover;
Fig. 4 is the three-dimensional exploded view according to an angle of capacitor of the present invention;
Fig. 5 is the three-dimensional exploded view according to another angle of capacitor of the present invention;
Fig. 6 is the exploded view of facing according to capacitor of the present invention;
Fig. 7 is the stereogram according to an angle of capacitor of the present invention;
Fig. 8 is the stereogram according to another angle of capacitor of the present invention;
Fig. 9 is the front view according to capacitor of the present invention; And
Figure 10 is the vertical view according to capacitor of the present invention.
Wherein, description of reference numerals is following:
Embodiment
Explain that below in conjunction with accompanying drawing capacitor according to the present invention is with seal cover and capacitor.
Explain that at first capacitor according to the present invention uses seal cover.
To shown in Figure 3, capacitor according to the present invention comprises with seal cover 3: lid 31 like Fig. 1; And lead terminal 4A, process and as the extraction pole of capacitor by metal material.Wherein, a connecting hole 311 is processed and on lid 31, offered to lid 31 by insulating material, and lead terminal 4A has one, and this lead terminal 4A is embedded in the connecting hole 311 suitablely and stretch out from the both ends of lid 31 respectively at the two ends of lead terminal 4A.
Capacitor according to the present invention with seal cover 3 in, it is long-pending that the two ends that lead terminal 4A stretches out from the both ends of lid 31 respectively can have different cross-sectional areas, as shown in Figure 3.Certainly, the lead terminal 4A two ends of stretching out from the both ends of lid 31 respectively can have same cross-sectional area.
Capacitor according to the present invention with seal cover 3 in, preferably, connecting hole 311 is positioned at the center of lid 31, like Fig. 1 to shown in Figure 3.
Capacitor according to the present invention with seal cover 3 in, preferably, be formed with the annular projection 315 that extends along the edge direction of lid 31 near 313 places, edge of lid 31 protrusion, like Fig. 1 to shown in Figure 3.More preferably, an end face of lid 31 is that the high periphery in middle part is low and be step-like step end face, and annular projection 315 is positioned at the peripheral position of said step end face, promptly at 313 places, edge near step-like step end face of being of lid 31, like Fig. 1 to shown in Figure 3.
Next explains capacitor of the present invention.
To shown in Figure 10, capacitor according to the present invention comprises like Fig. 4: housing 1 comprises openend 11 and blind end 13; Fuse 2 places in the housing 1 from the openend 11 of housing 1; Seal cover 3 comprises lid 31 and is processed and as a lead terminal 4A of an extraction pole of capacitor by metal material; Another lead terminal 4B is processed and as another extraction pole of capacitor by metal material; Wherein: a connecting hole 311 is processed and on lid 31, offered to lid 31 by insulating material; Lead terminal 4A is embedded in the connecting hole 311 suitablely and stretch out from the both ends of lid 31 respectively at the two ends of lead terminal 4A, and an end of wherein inlaying the lead terminal 4A that is positioned at connecting hole 311 links to each other with the fuse that is positioned at housing 12; Lead terminal 4B is positioned at blind end 13 outsides of housing 1, be connected as one with the blind end 13 of housing 1 and the end of lead terminal 4B links to each other with the fuse that is positioned at housing 12.
In according to capacitor of the present invention, preferably, connecting hole 311 is positioned at the center of lid 31.
In according to capacitor of the present invention, preferably, be formed with the annular projection 315 that extends along the edge direction of lid 31 at 313 places, edge protrusion near lid 31.One end face of lid 31 is that the high periphery in middle part is low and be step-like step end face; Annular projection 315 is positioned at the peripheral position of said step end face, promptly at 313 places, edge near step-like step end face of being of lid 31.Preferably, above annular projection 315, cover and closely pressed sealing ring 5.Sealing ring 5 is processed by insulating material.Step end face place and bottom 53 that sealing ring 5 is positioned at lid 31 cover annular projection 315, and the top 51 of sealing ring 5 flushes with the end face of the middle part end face 317 of lid 31.
It should be noted that according to the seal cover 3 of capacitor of the present invention identical with the structure of seal cover 3 at this with capacitor among Fig. 1 to Fig. 3.
In according to capacitor of the present invention, sealing ring 5 diameters and lid 31 diameters are suitable.Preferably, the external diameter of sealing ring 5 is not less than the maximum outside diameter (being the external diameter at 313 places, edge) of lid 31.
In according to capacitor of the present invention; Like Fig. 5 and shown in Figure 6; Said capacitor also can comprise: elastic conducting strip 6, and an end of inlaying the lead terminal 4A that is positioned at connecting hole 311 links to each other with the fuse that is positioned at housing 12 via elastic conducting strip 6, and elastic conducting strip 6 is the chip rugosity; Its super-high-current performance is strong, can effectively improve the ability that the capacitor super-high-current charges and discharge.
In according to capacitor of the present invention, to shown in Figure 6, said capacitor also can comprise like Fig. 4: pole plate 7, and suitable with the internal diameter of housing 1, place in the housing 1 and near blind end 13 bottoms of housing 1; Wherein, the end of lead terminal 4B links to each other with the fuse that is positioned at housing 12 via pole plate 7.
In according to capacitor of the present invention, to shown in Figure 10, said capacitor also can comprise like Fig. 4: explosion-proof valve 8, along the axis direction of housing 1 linearly shape be arranged at housing 1 lateral wall.Preferably, explosion-proof valve 8 for along the axis direction of housing 1 linearly shape be arranged at the indenture on housing 1 lateral wall.
At last, come simple declaration once according to the seal process of capacitor of the present invention according to Fig. 4 to the embodiment with above-mentioned whole parts shown in Figure 10.At first pole plate 7 is placed blind end 13 bottoms of the housing 1 that has lead terminal 4B; The fuse 2 of packing into then and being connected with elastic conducting strip 6; To be step-like afterwards is provided with annular projection 315 and lid 31 that the have lead terminal 4A housing 1 of packing into; Again sealing ring 5 is contained in the edge 3151 that lid 31 and sealing ring 5 covers annular projections 315; Utilize the channelling machine (not shown) that the position that is provided with sealing ring 5 of housing 1 is carried out the slot rolling processing and housing 1 is carried out the crimping processing at last, thereby realize the sealing between housing 1, sealing ring 5 and the lid 1; Because sealing ring 5 is when sealing, the top 51 of sealing ring 5 receives the pressure effect behind the housing crimping, and the bottom 53 of sealing ring 5 receives annular projection 315 extruding and closely cooperates with annular projection 315, so its sealing property is fine.
Claims (10)
1. a capacitor comprising with seal cover (3):
Lid (31);
Lead terminal (4A) is processed and as the extraction pole of capacitor by metal material;
It is characterized in that,
A connecting hole (311) is processed and on lid (31), offered to lid (31) by insulating material; And
Lead terminal (4A) has one, and it is embedded in the connecting hole (311) suitablely and stretch out from the both ends of lid (31) respectively at the two ends of lead terminal (4A).
2. capacitor as claimed in claim 1 is characterized in that with seal cover (3), is locating to protrude the annular projection (315) that is formed with along the edge direction extension of lid (31) near the edge (313) of lid (31).
3. according to claim 1 or claim 2 capacitor is characterized in that with seal cover (3) connecting hole (311) is positioned at the center of lid (31).
4. capacitor as claimed in claim 3 is characterized in that with seal cover (3),
One end face of lid (31) is that the high periphery in middle part is low and be step-like step end face;
Annular projection (315) is positioned at the peripheral position of said step end face.
5. capacitor comprises:
Housing (1) comprises openend (11) and blind end (13);
Fuse (2), the openend (11) from housing (1) places in the housing (1);
Seal cover (3), seal cover (3) comprise lid (31) and are processed and as the lead terminal (4A) of an extraction pole of capacitor by metal material; And
Another lead terminal (4B) is processed and as another extraction pole of capacitor by metal material; It is characterized in that,
A connecting hole (311) is processed and on lid (31), offered to lid (31) by insulating material;
A said lead terminal (4A) is embedded in the connecting hole (311) suitablely and stretch out from the both ends of lid (31) respectively at the two ends of a said lead terminal (4A), and an end of wherein inlaying a said lead terminal (4A) that is positioned at connecting hole (311) links to each other with the fuse that is positioned at housing (1) (2); And
Said another lead terminal (4B) be positioned at housing (1) blind end (13) outside, be connected as one with the blind end (13) of housing (1) and an end of said another lead terminal (4B) links to each other with the fuse that is positioned at housing (1) (2).
6. capacitor as claimed in claim 5 is characterized in that, is locating to protrude the annular projection (315) that is formed with along the edge direction extension of lid (31) near the edge (313) of lid (31); Also closely pressed sealing ring (5) in the covering of annular projection (315) top, sealing ring (5) diameter and lid (31) diameter are suitable.
7. capacitor as claimed in claim 6 is characterized in that,
One end face of lid (31) is that the high periphery in middle part is low and be step-like step end face;
The end face of top (51) and the middle part end face (317) of lid (31) that annular projection (315) is positioned at peripheral position and the sealing ring (5) of said step end face flushes.
8. capacitor as claimed in claim 5 is characterized in that, said capacitor also comprises:
Elastic conducting strip (6) is the chip rugosity, inlays an end of a said lead terminal (4A) that is positioned at connecting hole (311) and links to each other with the fuse that is positioned at housing (1) (2) via elastic conducting strip (6).
9. capacitor as claimed in claim 5 is characterized in that, said capacitor also comprises:
Pole plate (7), suitable with the internal diameter of housing (1), place in the housing (1) and near blind end (13) bottom of housing (1);
Wherein, an end of said another lead terminal (4B) links to each other with the fuse that is positioned at housing (1) (2) via pole plate (7).
10. capacitor as claimed in claim 5 is characterized in that, said capacitor also comprises:
Explosion-proof valve (8), along the axis direction of housing (1) linearly shape be arranged at housing (1) lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054065.5A CN102543488B (en) | 2012-03-02 | 2012-03-02 | Capacitor sealing cover and capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210054065.5A CN102543488B (en) | 2012-03-02 | 2012-03-02 | Capacitor sealing cover and capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102543488A true CN102543488A (en) | 2012-07-04 |
| CN102543488B CN102543488B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210054065.5A Active CN102543488B (en) | 2012-03-02 | 2012-03-02 | Capacitor sealing cover and capacitor |
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| Country | Link |
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| CN (1) | CN102543488B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548869A (en) * | 2016-09-30 | 2017-03-29 | 铜陵其利电子材料有限公司 | A kind of capacitor lead wire structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122572A (en) * | 2010-12-31 | 2011-07-13 | 无锡富洪科技有限公司 | Cover plate device for electric double-layer capacitor and electric double-layer capacitor |
| CN102290544A (en) * | 2011-07-22 | 2011-12-21 | 奇瑞汽车股份有限公司 | High-capacity lithium-ion power battery post sealing structure |
-
2012
- 2012-03-02 CN CN201210054065.5A patent/CN102543488B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122572A (en) * | 2010-12-31 | 2011-07-13 | 无锡富洪科技有限公司 | Cover plate device for electric double-layer capacitor and electric double-layer capacitor |
| CN102290544A (en) * | 2011-07-22 | 2011-12-21 | 奇瑞汽车股份有限公司 | High-capacity lithium-ion power battery post sealing structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106548869A (en) * | 2016-09-30 | 2017-03-29 | 铜陵其利电子材料有限公司 | A kind of capacitor lead wire structure |
| CN106548869B (en) * | 2016-09-30 | 2019-01-25 | 铜陵其利电子材料有限公司 | A kind of capacitor lead wire structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102543488B (en) | 2014-03-05 |
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