CN109449010A - The cover-plate type supercapacitor of high leakproofness - Google Patents

The cover-plate type supercapacitor of high leakproofness Download PDF

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Publication number
CN109449010A
CN109449010A CN201811495372.0A CN201811495372A CN109449010A CN 109449010 A CN109449010 A CN 109449010A CN 201811495372 A CN201811495372 A CN 201811495372A CN 109449010 A CN109449010 A CN 109449010A
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China
Prior art keywords
cover board
rubber layer
cover
shell
core
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Granted
Application number
CN201811495372.0A
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Chinese (zh)
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CN109449010B (en
Inventor
吴秋菊
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Iaoning Brother Electronics Technology Co Ltd
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Iaoning Brother Electronics Technology Co Ltd
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Priority to CN201811495372.0A priority Critical patent/CN109449010B/en
Publication of CN109449010A publication Critical patent/CN109449010A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78Cases; Housings; Encapsulations; Mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/74Terminals, e.g. extensions of current collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78Cases; Housings; Encapsulations; Mountings
    • H01G11/80Gaskets; Sealings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78Cases; Housings; Encapsulations; Mountings
    • H01G11/82Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08Cooling arrangements; Heating arrangements; Ventilating arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/13Energy storage using capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)

Abstract

The invention discloses a kind of cover-plate type supercapacitors of high leakproofness, two connecting lines including leading-out terminal and connection core positive and negative anodes and two leading-out terminals on shell, the core in shell, the cover board being covered on shell, two terminal fairleads being riveted on cover board, further include: rubber layer is laid on the outer surface of cover board and the side wall of terminal fairlead;Wherein, the side wall at upper shell position is connected in the rubber layer on cover board lateral wall;Side wall for riveting the rivet of the leading-out terminal is circumferentially connected to the rubber layer on terminal fairlead outer surface, the cap end abutment of rivet is connected in the rubber layer at the top of cover board in the rubber layer for being located at cover board bottom with the washer of rivet interference fit.The present invention has and makes between cover board and shell, is respectively formed face sealing between terminal fairlead and rivet, to improve sealing performance, reduces the beneficial effect of leakage risk.

Description

The cover-plate type supercapacitor of high leakproofness
Technical field
The present invention relates to cover-plate type supercapacitor fields.It is more particularly related to a kind of lid of high leakproofness Board-like supercapacitor.
Background technique
In at present, after the assembly of large capacity cylindrical type supercapacitor, linear sealing is carried out between shell and cover board upper surface, is deposited In leakage risk.Prior art cover board is integral structure, and lower layer is bakelite plate, upper layer is ethylene-propylene diene copolymer, aluminum extension It is realized using riveting method and carries out linear sealing between inside and outside linked shell and cover board upper surface, product leakage rate is high, and super Capacitor is usually inverted use, the risk of electrolyte leakage is even more increased, therefore it provides a kind of cover-plate type that sealing performance is high Supercapacitor is that those skilled in the art should consider to reduce leakage probability.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of cover-plate type supercapacitor of high leakproofness, make cover board and shell it Between, face sealing is respectively formed between terminal fairlead and rivet, to improve sealing performance, reduce leakage risk.
In order to realize these purposes and other advantages according to the present invention, the cover-plate type for providing a kind of high leakproofness is super Capacitor draws including shell, the core in shell, the cover board being covered on shell, two terminals being riveted on cover board Two connecting lines of leading-out terminal and connection the core positive and negative anodes and two leading-out terminals on portalling, which is characterized in that Further include:
Rubber layer is laid on the outer surface of the cover board and the side wall of the terminal fairlead;
Wherein, the side wall at the upper shell position is connected in the rubber layer on the cover board lateral wall;
Side wall for riveting the rivet of the leading-out terminal is circumferentially connected to positioned at terminal fairlead outer surface On rubber layer on, the cap end abutment of rivet is interference fitted in the rubber layer for being located at the cover board bottom with the rivet Washer be connected in the rubber layer at the top of the cover board.
Preferably, the upper shell adjacent margins form the clamping portion of an annular towards the cover board top curved, The clamping portion is connected in the rubber layer at the top of the cover board.
Preferably, inner sidewall of the upper shell position close to the cover board bottom is circumferentially inwardly projecting forms one The protrusion of annular, the upper-end part of driving of the protrusion are connected in the rubber layer of the cover board bottom.
Preferably, the cover board is aluminium sheet.
Preferably, indwelling has a buffer cavity between the rivet lower end and the core, and the connecting line folds shape At class zigzag.
Preferably, the connecting line is aluminium flake, and the aluminium flake folds to form class zigzag.
Preferably, there is a columnar heat dissipation cavity between the core and the shell;
It further include that multiple groups are arranged successively from top to down in the heat-sink unit in the heat dissipation cavity, every group of heat-sink unit is along institute It states heat dissipation cavity to be arranged circumferentially, each heat-sink unit includes:
Radiate elastic slice, is in L like shape, and the heat dissipation elastic slice is made of integrally formed up and down straight panel and cambered plate, described Heat-conducting silica gel sheet is laid on the outer surface of straight panel and the cambered plate, the housing interior side-wall is fixed in the straight panel upper end On, the cambered surface of the cambered plate is towards the core, and the heat-conducting silica gel sheet on the cambered plate and the core appearance face paste It closes and abuts;
Spring, one end is fixed on the housing interior side-wall, the other end is fixed on the cambered plate away from the core Side, be laid with heat-conducting silica gel sheet on the spring outer surface, and the compressed direction of the spring stress is along the core Be arranged radially.
Preferably, wherein the straight panel and the cambered plate are copper sheet.
The present invention is include at least the following beneficial effects:
The first, make between cover board and shell, be respectively formed face sealing between terminal fairlead and rivet, to improve leakproofness Can, reduce leakage risk;
The second, the described clamping portion is connected to the rubber layer periphery in the rubber layer at the top of the cover board, at the top of cover board A circle surface seal structure is further formed with the OK a karaoke club portion on shell reduces leakage risk to improve sealing performance again;
The inner sidewall of third, the upper shell position close to the cover board bottom is circumferentially inwardly projecting to form an annular Protrusion, the upper-end part of driving of the protrusion is connected in the rubber layer of the cover board bottom, outside the rubber layer of cover board bottom Week further convexes to form a circle surface seal structure on shell, to improve sealing performance again, reduces leakage risk.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the sectional view of one of technical solution of the present invention;
Fig. 2 is the sectional view of one of technical solution of the present invention;
Fig. 3 is the structural schematic diagram of cover board described in one of technical solution of the present invention;
Fig. 4 is the structural schematic diagram of heat dissipation elastic slice described in one of technical solution of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
It should be noted that in the description of the present invention, the instruction such as term " on ", "lower", "top", "bottom", "inner", "outside" Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch It states, is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, Therefore it is not considered as limiting the invention.
As shown in figures 1-4, the present invention provides a kind of 3 formula supercapacitor of cover board of high leakproofness, including shell 1, is located at Core 2 in shell 1, the cover board 3 being covered on shell 1, the exit on two terminal fairleads 4 being riveted on cover board 3 Son 5 and two connecting lines 21 for connecting 2 positive and negative anodes of core and two leading-out terminals 5, further includes:
Rubber layer 6 is laid on the outer surface of the cover board 3 and the side wall of the terminal fairlead 4;
Wherein, the side wall of 1 upper-end part of driving of shell is connected in the rubber layer 6 on 3 lateral wall of cover board, real Existing face sealing;
Side wall for riveting the rivet 7 of the leading-out terminal 5 is circumferentially connected to positioned at 4 appearance of terminal fairlead In rubber layer 6 on face, the cap end abutment of rivet 7 is in the rubber layer 6 for being located at 3 bottom of cover board, with 7 mistake of rivet The washer 71 of cooperation of being full of is connected in the rubber layer 6 at 3 top of the cover board, i.e. 5 upper end punching press of leading-out terminal, expanding extruding Washer 71, the rubber layer 6 at 3 top of 71 lower surface of washer and cover board, which squeezes, realizes sealing;5 upper end punching press of leading-out terminal, makes to draw Terminal 5 is expanded, so that squeezing the rubber layer 6 on 7 side wall of rivet and 4 side wall of terminal fairlead realizes sealing;On leading-out terminal 5 Punching press is held, the rubber layer 6 of the cap end and 3 bottom of cover board that make rivet 7 squeezes, and sealing is completed, so that it is super to significantly improve 3 formula of cover board The sealing performance of grade capacitor.
In the above-mentioned technical solutions, using in cover board 3 and terminal fairlead 4 be arranged rubber layer 6, can make cover board 3 with Face sealing is respectively formed between shell 1, between terminal fairlead 4 and rivet 7, to improve the leakproofness of 3 formula supercapacitor of cover board Can, reduce leakage risk.
In another technical solution, the 1 upper-end part of driving edge of shell forms a ring towards 3 top curved of cover board The clamping portion 11 of shape, the clamping portion 11 are connected in the rubber layer 6 at 3 top of cover board, the rubber layer at 3 top of cover board 6 peripheries further form a circle surface seal structure with the OK a karaoke club portion on shell 1 reduces leakage to improve sealing performance again Liquid risk.
In another technical solution, 1 upper-end part of driving of shell close to 3 bottom of cover board inner sidewall circumferentially to The projecting inward protrusion 12 for forming an annular, raised 12 upper-end part of driving are connected to the rubber layer 6 positioned at 3 bottom of cover board On, 6 periphery of rubber layer of 3 bottom of cover board further forms a circle surface seal structure with the protrusion 12 on shell 1, thus again Sealing performance is improved, leakage risk is reduced.
In another technical solution, the cover board 3 is aluminium sheet, and the material of prior art cover plate 3 is often bakelite, mechanical Intensity is inadequate, easily causes mechanical damage, is substituted using aluminium material, not only light-weight, but also mechanical strength is remarkably reinforced, and is not easy to make Leakage occurs at mechanical damage.
In another technical solution, indwelling has a buffer cavity 13, institute between 7 lower end of rivet and the core 2 It states the folding of connecting line 21 and forms class zigzag, after the assembly of large capacity cylindrical type supercapacitor, can all be deposited between shell 1 and core 2 In certain interval, when supercapacitor is used when shaking on bigger device, internal core 2 can generate movement, and cause Connecting line 21 is broken, and is made supercapacitor cisco unity malfunction, therefore, folding is formed class zigzag, can form certain buffering The probability that connecting line 21 is broken is reduced in leeway;
In addition, supercapacitor can generate a large amount of heat in charge and discharge, and heat can make the electrolyte gas in core 2 Change, causes air pressure in shell 1 excessively high, when reaching certain air pressure, it may occur that explosion, therefore a cushion space is set, so that In electrolyte gasification, there is the leeway of buffering, reduce explosion probability.
In another technical solution, the connecting line 21 is aluminium flake, and the aluminium flake folds to form class zigzag, aluminium material Resistance it is small, reduce electric energy in-fighting.
In another technical solution, there is a columnar heat dissipation cavity 14 between the core 2 and the shell 1;
It further include that multiple groups are arranged successively from top to down in the heat-sink unit 8 in the heat dissipation cavity 14, every group of heat-sink unit 8 It is arranged circumferentially along the heat dissipation cavity 14, each heat-sink unit 8 includes:
Radiate elastic slice, is in L like shape, and the heat dissipation elastic slice is made of integrally formed up and down straight panel 81 and cambered plate 82, Heat-conducting silica gel sheet is laid on the outer surface of the straight panel 81 and the cambered plate 82,81 upper end of straight panel is fixed on described On 1 inner sidewall of shell, the cambered surface of the cambered plate 82 towards the core 2, and the heat-conducting silica gel sheet on the cambered plate 82 with 2 outer surface of the core fitting abuts;
Spring 83, one end is fixed on 1 inner sidewall of shell, the other end is fixed on the cambered plate 82 away from described The side of core 2 is laid with heat-conducting silica gel sheet, and the compressed direction edge of 83 stress of the spring on 83 outer surface of spring The core 2 is arranged radially.
Supercapacitor can generate a large amount of heat in charge and discharge, need to radiate, while as supercapacitor manufactures The continuous development of technology, the requirement to its various index is also in the continuous improvement.Such as during vibration, not only to guarantee to surpass The heat-sinking capability of grade capacitor is superior, while also needing to meet preferable shockproof properties;
In the above-mentioned technical solutions, when supercapacitor generates amount of heat, heat can be by cambered plate 82 Heat-conducting silica gel sheet is transferred to rapidly cambered plate 82, is then passed to straight panel 81, then spread out of through shell 1, realizes the mesh of rapid cooling , simultaneously because heat dissipation elastic slice has elasticity, the vibration amplitude of chip can be effectively reduced, along with the assistance of spring 83 is made With further getting shockproof effect.
In another technical solution, wherein the straight panel 81 and the cambered plate 82 are copper sheet, and copper sheet has good Restoring force and ductility, it can alleviate the vibration of core 2, while also there is good thermally conductive function, it can accelerate super The heat dissipation of grade capacitor.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (8)

1. the cover-plate type supercapacitor of high leakproofness, including shell, the core in shell, the lid being covered on shell Plate, the leading-out terminal on two terminal fairleads being riveted on cover board and the connection core positive and negative anodes and two extractions Two connecting lines of terminal, which is characterized in that further include:
Rubber layer is laid on the outer surface of the cover board and the side wall of the terminal fairlead;
Wherein, the side wall at the upper shell position is connected in the rubber layer on the cover board lateral wall;
Side wall for riveting the rivet of the leading-out terminal is circumferentially connected on terminal fairlead outer surface In rubber layer, the cap end abutment of rivet is in the pad in the rubber layer for being located at the cover board bottom, with rivet interference fit Circle is connected in the rubber layer at the top of the cover board.
2. the cover-plate type supercapacitor of high leakproofness as described in claim 1, which is characterized in that the upper shell position Edge forms the clamping portion of an annular towards the cover board top curved, and the clamping portion is connected at the top of the cover board In rubber layer.
3. the cover-plate type supercapacitor of high leakproofness as described in claim 1, which is characterized in that the upper shell position Circumferentially the inwardly projecting protrusion for forming an annular, the upper-end part of driving of the protrusion are abutted inner sidewall close to the cover board bottom In in the rubber layer for being located at the cover board bottom.
4. the cover-plate type supercapacitor of high leakproofness as described in claim 1, which is characterized in that the cover board is aluminium sheet.
5. the cover-plate type supercapacitor of high leakproofness as described in claim 1, which is characterized in that the rivet lower end and institute Stating indwelling between core has a buffer cavity, and the connecting line folds to form class zigzag.
6. the cover-plate type supercapacitor of high leakproofness as claimed in claim 5, which is characterized in that the connecting line is aluminium Piece, the aluminium flake fold to form class zigzag.
7. the cover-plate type supercapacitor of high leakproofness as claimed in claim 5, which is characterized in that the core and described outer There is a columnar heat dissipation cavity between shell;
It further include that multiple groups are arranged successively from top to down in the heat-sink unit in the heat dissipation cavity, every group of heat-sink unit is dissipated along described Hot cavity is arranged circumferentially, and each heat-sink unit includes:
Radiate elastic slice, is in L like shape, and the heat dissipation elastic slice is made of integrally formed up and down straight panel and cambered plate, the straight panel With heat-conducting silica gel sheet is laid on the outer surface of the cambered plate, the straight panel upper end is fixed on the housing interior side-wall, The cambered surface of the cambered plate towards the core, and the heat-conducting silica gel sheet on the cambered plate be bonded with the core outer surface to It connects;
Spring, one end is fixed on the housing interior side-wall, the other end is fixed on the cambered plate deviates from the core one Side is laid with heat-conducting silica gel sheet on the spring outer surface, and the compressed direction of the spring stress is along the diameter of the core To setting.
8. the cover-plate type supercapacitor of high leakproofness as claimed in claim 7, which is characterized in that wherein, the straight panel and The cambered plate is copper sheet.
CN201811495372.0A 2018-12-07 2018-12-07 High-tightness cover plate type super capacitor Active CN109449010B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811495372.0A CN109449010B (en) 2018-12-07 2018-12-07 High-tightness cover plate type super capacitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811495372.0A CN109449010B (en) 2018-12-07 2018-12-07 High-tightness cover plate type super capacitor

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CN109449010A true CN109449010A (en) 2019-03-08
CN109449010B CN109449010B (en) 2023-12-26

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203300463U (en) * 2013-05-28 2013-11-20 山东精工电子科技有限公司 Anti-vibration super capacitor
CN105609315A (en) * 2015-12-23 2016-05-25 丰宾电子(深圳)有限公司 Shock-resistant ox horn aluminium electrolytic capacitor
CN205920881U (en) * 2016-06-12 2017-02-01 苏州松控电子科技有限公司 High leakproofness's electrolytic capacitor
CN206961688U (en) * 2017-06-26 2018-02-02 天津力神新能源科技有限公司 A kind of Novel lid of ultracapacitor
CN207852494U (en) * 2018-01-17 2018-09-11 福建火炬电子科技股份有限公司 A kind of ultracapacitor of the low internal resistance of high sealing
CN208970360U (en) * 2018-12-07 2019-06-11 辽宁博艾格电子科技有限公司 The cover-plate type supercapacitor of high leakproofness

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203300463U (en) * 2013-05-28 2013-11-20 山东精工电子科技有限公司 Anti-vibration super capacitor
CN105609315A (en) * 2015-12-23 2016-05-25 丰宾电子(深圳)有限公司 Shock-resistant ox horn aluminium electrolytic capacitor
CN205920881U (en) * 2016-06-12 2017-02-01 苏州松控电子科技有限公司 High leakproofness's electrolytic capacitor
CN206961688U (en) * 2017-06-26 2018-02-02 天津力神新能源科技有限公司 A kind of Novel lid of ultracapacitor
CN207852494U (en) * 2018-01-17 2018-09-11 福建火炬电子科技股份有限公司 A kind of ultracapacitor of the low internal resistance of high sealing
CN208970360U (en) * 2018-12-07 2019-06-11 辽宁博艾格电子科技有限公司 The cover-plate type supercapacitor of high leakproofness

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