CN205845713U - A kind of insulator and high-energy tantalum mixed capacitor - Google Patents

A kind of insulator and high-energy tantalum mixed capacitor Download PDF

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Publication number
CN205845713U
CN205845713U CN201620703080.1U CN201620703080U CN205845713U CN 205845713 U CN205845713 U CN 205845713U CN 201620703080 U CN201620703080 U CN 201620703080U CN 205845713 U CN205845713 U CN 205845713U
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China
Prior art keywords
tantalum
anode
pipe
insulator
wire
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CN201620703080.1U
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袁益
刘建清
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ZHUHZOU RIWANG ELECTRONIC TECHNOLOGY Co Ltd
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ZHUHZOU RIWANG ELECTRONIC TECHNOLOGY Co Ltd
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    • 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

Abstract

The utility model discloses a kind of insulator and high-energy tantalum mixed capacitor, the positive wire of described insulator includes that tantalum pipe, described tantalum pipe are hollow structure, and the lower surface of tantalum pipe flushes with the lower surface of insulator cover;In described capacitor, anode tantalum wire is directly drawn from the end face of anode pellet, through sealing coat one and insulation spacer, at the tantalum mouth of pipe of described insulator tantalum pipe, anode tantalum wire and tantalum sealing of tube.Capacitor described in the utility model eliminates open washer compared to existing technology, and anode tantalum wire is directly drawn from the end face of anode pellet, does not take up room at capacitor height Anodic tantalum wire.Structure overall height new in this utility model compares original structure, can save the space of 1.5 ~ 2mm, and saved space, for the extension of capacitor anode pellet, such that it is able to be greatly increased the capacitance of capacitor itself.

Description

A kind of insulator and high-energy tantalum mixed capacitor
Technical field
This utility model relates to capacitor technology field, more particularly, to a kind of insulator and high energy tantalum mixing electric capacity Device.
Background technology
High-energy tantalum mixed capacitor is the tantalum electrolytic capacitor of a kind of vast capacity, and the height of its capacitance is by anode tantalum The capacity of core determines.As it is shown on figure 3, existing high-energy tantalum mixed capacitor, its most extremely tantalum wire structure, solid positive pole tantalum Silk 3 is through insulator glass body 2;Anode tantalum wire 8 is to draw from the side of anode pellet 9, through insulation after anode tantalum wire 8 bending In open washer 9 open slot under Zi, weld together with positive pole tantalum wire 3;Positive pole tantalum wire 3 and open washer 9 under insulator need Occupy higher space (general 2 ~ 2.5mm), in fixing product height space, tie up the space of tantalum pole tantalum core 9, from And limit the capacitance of capacitor.
Utility model content
The technical problems to be solved in the utility model is the deficiency that the capacitance for prior art capacitor is limited, it is provided that A kind of insulator and be provided with the high-energy tantalum mixed capacitor of this insulator.
Above-mentioned purpose of the present utility model is achieved by the following technical programs:
There is provided a kind of insulator, including insulator cover, vitreous body and positive wire;Described positive wire includes the tantalum of hollow Pipe, tantalum pipe passes insulator cover and vitreous body, and the lower surface of tantalum pipe flushes with the lower surface of insulator cover, at the lower surface of tantalum pipe Outlet be the tantalum mouth of pipe.
A kind of high-energy tantalum mixed capacitor, is provided with above-described insulator;It is disposed with under described insulator absolutely Edge pad, sealing coat one, anode tantalum core and sealing coat two;Described sealing coat one includes two-layer barrier film one and upper cathode sheets, upper the moon Pole piece is arranged between two-layer barrier film one;Described sealing coat two includes two-layer barrier film two and lower cathode sheets, and lower cathode sheets is arranged at Between two-layer barrier film two;Anode tantalum wire is drawn from anode tantalum core, is connected through sealing coat one and insulation spacer with described tantalum pipe.
High-energy tantalum mixed capacitor described in the utility model, anode tantalum wire directly leads out from anode pellet end face, passes Sealing coat one and insulation spacer, integral in the tantalum mouth of pipe, tantalum wire and tantalum pipe melting welding.Eliminate open washer compared to existing technology, and And anode tantalum wire is directly from the end face extraction of anode pellet, does not take up room at capacitor height Anodic tantalum wire.This practicality Structure overall height new in novel compares original structure, can save the space of 1.5 ~ 2mm, and saved space, for electricity The extension of container anode pellet, such that it is able to be greatly increased the capacitance of capacitor itself.
Preferably, described anode tantalum wire is drawn from anode tantalum core end face center.
It is further preferred that described anode tantalum wire includes encircled portion and vertical portion, encircled portion is that tantalum wire is coiled into Circle, encircled portion is placed in anode tantalum core;Described vertical portion is drawn from anode tantalum core and is connected with described tantalum pipe;Described circle Circle part and vertical portion are coiled into by a complete tantalum wire.Encircled portion make tantalum wire as far as possible with the tantalum powder in anode pellet Contact is good.
Preferably, described insulator cover is tantalum lid or niobium lid, and the shell of described capacitor is tantalum shell or niobium shell.
This utility model, for the improvement of above capacitor arrangement, also provides for high energy tantalum mixing described in more than one any one The assembly technology of capacitor, comprises the following steps:
S1. material prepares
Prepare Product Assembly parts, parts include insulator, capacitor case, insulation spacer, barrier film one, on Cathode sheets, the anode tantalum core of band anode tantalum wire, barrier film two, lower cathode sheets and can valve pipe;
S2. pellet assembling
Successively by barrier film two, lower cathode sheets, the anode pellet of band anode tantalum wire, upper cathode sheets, barrier film one and insulation spacer Load in capacitor case, after assembling, measure whether the remaining space height within capacitor case meets technological requirement;
S3. insulator is loaded
Insulator, through the center tantalum pipe of insulator, is contained in capacitor case oral area by anode tantalum wire;
S4. gland
Use special manual press, insulator is pressed in capacitor case, after gland, insulator and capacitor case Mouth rim is concordant;
S5. laser welding edge sealing
Insulator and capacitor case oral area connecting portion are carried out laser welding, and checks under the microscope, it is ensured that weldering Connect intact;
S6. welding anode tantalum wire and the tantalum mouth of pipe
To the anode tantalum wire through tantalum pipe, cut off the part stretching out the tantalum mouth of pipe, weld the tantalum mouth of pipe, make anode tantalum wire and tantalum The mouth of pipe is melt into a soldered ball, and makes tantalum ferrule;
S7, fluid injection
Use Special vacuum filling machine, by the liquid injection hole on insulator, product is carried out priming by vacuum electrolyte;Fluid injection After completing testing product electrical quantity, test parameter substandard product can be done over again in fluid injection;
S8. laser welding sealing
Special taper tantalum wire head is filled out after fluid injection on the liquid injection hole of product, compresses tantalum wire head, with laser welder to fluid injection Hole and tantalum wire head carry out laser spot welding, allow liquid injection hole oral area and tantalum wire first melt merge into an organic whole, seal liquid injection hole;
S9. set can valve pipe
Can valve pipe box on tantalum pipe, 2 ring recess can pressed on valve pipe with specific purpose tool, make valve pipe and tantalum tube side face to realize Tight fit;
S10. welding can valve pipe
With laser welder to laser spot welding can be carried out in valve pipe top, make the soldered ball of valve pipe and the tantalum mouth of pipe to be melted into one;
S11. inspection acid is cleaned
Product surface is carried out, with PH reagent paper, product laser edge bonding position, liquid injection hole, vitreous body position is examined Test;
S12. censorship
Fill the record of production, running product, deliver inspection;
Wherein, processed before the anode tantalum core assembling of described band anode tantalum wire.Anode tantalum with anode tantalum wire The processing technique of core uses existing conventional techniques.
Assembly technology described in the utility model, due to the improvement of capacitor arrangement, walks compared to the difference of prior art Suddenly essentially consisting in step S2, S3, S6 and S10, other steps defer to existing conventional assembly technology.
Further, described S6 step uses laser spot welding to be welded with the tantalum mouth of pipe by anode tantalum wire.
Further, described S6 step uses argon arc welding or plasma weldering to be welded with the tantalum mouth of pipe by anode tantalum wire.
This utility model preferably employs argon arc welding or plasma weldering, and the melted effect of argon arc welding or plasma weldering is preferable.
Further, after completing S6 step, also include the step that microscopy is hunted leak, use the microscopy tantalum mouth of pipe, it is ensured that The tantalum mouth of pipe is melted completely.
Further, after completing S6 step, in high temperature fluorocarbon oil, product is carried out leakage check, the product to gas leakage, enters Row welding is done over again.
The beneficial effects of the utility model:
High-energy tantalum mixed capacitor described in the utility model, anode tantalum wire directly leads out from anode pellet end face, draws Anode tantalum wire through insulator described in the utility model, this insulator is provided with the tantalum pipe of hollow, and anode tantalum wire is from tantalum pipe Mouth stretches out;This utility model need not use open washer, in prior art, owing to anode tantalum wire is that the side from anode pellet is drawn Go out, pass in the open slot of open washer after bending, the insulation of the segment anode tantalum wire that open washer comes for this bending;This practicality Novel anode tantalum wire directly from the end face of anode pellet out, therefore need not re-use open washer, anode tantalum wire through every Absciss layer one and insulating barrier stretch into tantalum pipe, during welding, cut off the part stretching out the tantalum mouth of pipe, and anode tantalum wire and tantalum pipe are melt into one Body;Tantalum Guan Ruo in this utility model changes solid tantalum wire into, and the most solid tantalum wire must stretch out from the lower surface of insulator cover Just can complete welding, solid tantalum wire and anode tantalum wire bond connect the soldered ball of formation can take the space of capacitor, is therefore unfavorable for Increase capacitance.
Accompanying drawing explanation
Fig. 1 prior art high-energy tantalum mixed capacitor insulator structure schematic diagram.
Fig. 2 this utility model high-energy tantalum mixed capacitor insulator structure schematic diagram
Fig. 3 prior art high-energy tantalum mixed capacitor structural representation.
Fig. 4 this utility model high-energy tantalum mixed capacitor structural representation.
1 is insulator cover, and 2 is vitreous body, and 3 is positive pole tantalum wire, 4 be can valve pipe, 5 is liquid injection hole, and 6 is tantalum pipe, and 7 is tantalum pipe Mouthful, 8 is anode tantalum wire, and 9 is open washer, 10 be can valve collar, 11 is positive wire, and 12 is negative wire, and 13 is plain cushion, and 14 is just Pole tantalum wire and anode tantalum silk weld;15 is anode tantalum core, and 16 is capacitor case, and 17 is barrier film one, and 18 for barrier film two, 19 are Upper cathode sheets, 20 times cathode sheets, 21 is air ring, and 22 is insulation spacer.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be by right Require that the multitude of different ways limiting and covering is implemented.This utility model embodiment accompanying drawing being merely cited for property explanation, it is impossible to reason Solve as to restriction of the present utility model.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may Omission will be understood by.
Embodiment 1
It is illustrated in figure 1 the structural representation of high-energy tantalum mixed capacitor insulator in prior art, including insulator cover 1, vitreous body 2, positive pole tantalum wire 3, can valve pipe 4 and liquid injection hole 5, positive pole tantalum wire 3 passes perpendicularly through vitreous body 2, and positive pole tantalum wire 3 passes absolutely Edge lid is for passing through to be welded to connect with anode tantalum wire.
As in figure 2 it is shown, the present embodiment provides a kind of high-energy tantalum mixed capacitor insulator, with the prior art shown in Fig. 1 High-energy tantalum mixed capacitor insulator compare, positive pole tantalum wire 3 has been replaced as hollow tantalum pipe 6, and tantalum pipe 6 is through insulator cover 1 He Vitreous body 2, the lower surface of tantalum pipe 6 flushes with the lower surface of insulator cover 1, and the outlet at the lower surface of tantalum pipe 6 is the tantalum mouth of pipe 7.
Embodiment 2
As shown in Figure 4, the present embodiment provides a kind of high-energy tantalum mixed capacitor, and including insulator, described insulator includes Insulator cover 1, vitreous body 2 and positive wire;Described positive wire includes the tantalum pipe 6 of hollow, and tantalum pipe 6 is through insulator cover 1 He Vitreous body 2, the lower surface of tantalum pipe 6 flushes with the lower surface of insulator cover, and the outlet at the lower surface of tantalum pipe is the tantalum mouth of pipe 7.
Insulation spacer 11, sealing coat one, anode tantalum core 15 and sealing coat two it is disposed with under described insulator;Described every Absciss layer one includes two-layer barrier film 1 and upper cathode sheets 19, is placed with cathode sheets 19 between two-layer barrier film 1;Described isolation Layer two includes two-layer barrier film 2 18 and lower cathode sheets 20, is placed with lower cathode sheets 20 between two-layer barrier film 2 18;Anode tantalum wire 8 from Anode tantalum core 15 is drawn, is connected with described tantalum pipe 6 through sealing coat one and insulation spacer 22.
Described anode tantalum wire 8 is drawn from anode tantalum core 15 end face center.
Described anode tantalum wire 8 includes encircled portion and vertical portion, and encircled portion is the circle that tantalum wire is coiled into, encircled portion It is placed in anode tantalum core 15;Described vertical portion is drawn from anode tantalum core 15 and is connected with described tantalum pipe 6;Described encircled portion and Vertical portion is coiled into by a complete tantalum wire.
Described insulator cover 1 is tantalum lid or niobium lid, and the shell of described capacitor is tantalum shell or niobium shell.
Embodiment 3
The present embodiment provides the assembly technology of high-energy tantalum mixed capacitor described in a kind of embodiment 2, comprises the following steps:
S1. material prepares
Preparing the parts of Product Assembly, parts include insulator, capacitor case 16, insulation spacer 22, barrier film One 17, upper cathode sheets 19, the anode tantalum core 15 of band anode tantalum wire, barrier film 2 18, lower cathode sheets 20 and can valve pipe 4;
S2. pellet assembling
Successively by barrier film 2 18, lower cathode sheets 20, the anode pellet 15 of band anode tantalum wire, upper cathode sheets 19, barrier film 1 Load in capacitor case 16 with insulation spacer 22, whether measure the remaining space height within capacitor case 16 after assembling Meet technological requirement;
S3. insulator is loaded
Insulator, through the center tantalum pipe 6 of insulator, is contained in capacitor case 16 oral area by anode tantalum wire 8;
S4. gland
Use special manual press, insulator is pressed in capacitor case 16, after gland, outside insulator and capacitor Shell 16 mouth rim is concordant;
S5. laser welding edge sealing
Insulator and capacitor case 16 oral area connecting portion are carried out laser welding, and check under the microscope, it is ensured that Weld intact;
S6. welding anode tantalum wire and the tantalum mouth of pipe
To the anode tantalum wire 8 through tantalum pipe 6, cut off the part stretching out the tantalum mouth of pipe 7, weld the tantalum mouth of pipe 7, use special Accurate argon arc welding machine or the plasmasphere welder tantalum mouth of pipe 7, make anode tantalum wire 8 and the tantalum mouth of pipe 7 be melt into a soldered ball, and make The tantalum mouth of pipe 7 seals;
S7. microscopy leak detection
Use the microscopy tantalum mouth of pipe 7, it is ensured that the tantalum mouth of pipe 7 is melted completely;Product is sealed by high temperature fluorocarbon oil Check that the product to individual sites gas leakage can carry out welding and do over again;
S8. fluid injection
Use Special vacuum filling machine, by the liquid injection hole 5 on insulator, product is carried out priming by vacuum electrolyte;Note Product electrical quantity is tested after completing by liquid, and test parameter substandard product can be done over again in fluid injection;
S9. laser welding sealing
Special taper tantalum wire head is filled out on the liquid injection hole 5 of product after fluid injection, compresses tantalum wire head, with laser welder to fluid injection Hole and tantalum wire head carry out laser spot welding, allow liquid injection hole 5 oral area and tantalum wire first melt merge into an organic whole, seal liquid injection hole;
S10. set can valve pipe
Can be enclosed within tantalum pipe 6 by valve pipe 4, can press 2 ring recess with specific purpose tool on valve pipe 4, making can valve pipe 4 and tantalum pipe 6 side Face realizes tight fit;
S11. welding can valve pipe
With laser welder to laser spot welding can be carried out in valve pipe 6 top, make the soldered ball of valve pipe 6 and the tantalum mouth of pipe 7 to be melt into one Body;
S12. inspection acid is cleaned
Product surface is carried out, with PH reagent paper, product laser edge bonding position, liquid injection hole, vitreous body position is examined Test;
S13. censorship
Fill the record of production, running product, deliver inspection;
Wherein, processed before the anode tantalum core assembling of described band anode tantalum wire.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle Within, any modification, equivalent substitution and improvement etc. made, within the scope of should be included in of the present utility model comprising.

Claims (5)

1. an insulator, including insulator cover, vitreous body and positive wire;It is characterized in that, during described positive wire includes Empty tantalum pipe, tantalum pipe passes insulator cover and vitreous body, and the lower surface of tantalum pipe flushes with the lower surface of insulator cover, under tantalum pipe The outlet of end is the tantalum mouth of pipe.
2. a high-energy tantalum mixed capacitor, it is characterised in that be provided with the insulator described in claim 1;Described insulator Under be disposed with insulation spacer, sealing coat one, anode tantalum core and sealing coat two;Described sealing coat one includes two-layer barrier film one He Upper cathode sheets, upper cathode sheets is arranged between two-layer barrier film one;Described sealing coat two includes two-layer barrier film two and lower cathode sheets, under Cathode sheets is arranged between two-layer barrier film two;Anode tantalum wire is drawn from anode tantalum core, through sealing coat one and insulation spacer with Described tantalum pipe connects.
High-energy tantalum mixed capacitor the most according to claim 2, it is characterised in that described anode tantalum wire is from anode tantalum core end face Center is drawn.
High-energy tantalum mixed capacitor the most according to claim 2, it is characterised in that described anode tantalum wire include encircled portion and Vertical portion, encircled portion is the circle that tantalum wire is coiled into, and encircled portion is placed in anode tantalum core;Described vertical portion is from anode tantalum Core is drawn and is connected with described tantalum pipe;Described encircled portion and vertical portion are coiled into by a complete tantalum wire.
High-energy tantalum mixed capacitor the most according to claim 2, it is characterised in that described insulator cover is tantalum lid or niobium Lid, the shell of described capacitor is tantalum shell or niobium shell.
CN201620703080.1U 2016-07-06 2016-07-06 A kind of insulator and high-energy tantalum mixed capacitor Active CN205845713U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105977028A (en) * 2016-07-06 2016-09-28 株洲日望电子科技股份有限公司 Insulator, high energy tantalum hybrid capacitor and assembly technology of capacitor
CN108899200A (en) * 2018-05-14 2018-11-27 广西睿奕新能源股份有限公司 A kind of recombiner condenser, preparation method and application
CN111261410A (en) * 2020-03-13 2020-06-09 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) Anode tantalum block, preparation method and application thereof, non-solid tantalum electrolytic capacitor and electronic product

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105977028A (en) * 2016-07-06 2016-09-28 株洲日望电子科技股份有限公司 Insulator, high energy tantalum hybrid capacitor and assembly technology of capacitor
CN105977028B (en) * 2016-07-06 2018-05-15 株洲日望电子科技股份有限公司 A kind of assembly technology of high-energy tantalum mixed capacitor and capacitor
CN108899200A (en) * 2018-05-14 2018-11-27 广西睿奕新能源股份有限公司 A kind of recombiner condenser, preparation method and application
CN111261410A (en) * 2020-03-13 2020-06-09 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) Anode tantalum block, preparation method and application thereof, non-solid tantalum electrolytic capacitor and electronic product
CN111261410B (en) * 2020-03-13 2021-12-07 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) Anode tantalum block, preparation method and application thereof, non-solid tantalum electrolytic capacitor and electronic product

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