CN109065366A - A kind of aluminium electrolutic capacitor - Google Patents
A kind of aluminium electrolutic capacitor Download PDFInfo
- Publication number
- CN109065366A CN109065366A CN201811021348.3A CN201811021348A CN109065366A CN 109065366 A CN109065366 A CN 109065366A CN 201811021348 A CN201811021348 A CN 201811021348A CN 109065366 A CN109065366 A CN 109065366A
- Authority
- CN
- China
- Prior art keywords
- electrolytic paper
- core packet
- cathode foil
- anode foils
- lower edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 24
- 239000004411 aluminium Substances 0.000 title claims abstract description 23
- 239000011888 foil Substances 0.000 claims abstract description 78
- 239000007767 bonding agent Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/145—Liquid electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/02—Diaphragms; Separators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses a kind of aluminium electrolutic capacitors, it is related to capacitor area, the present invention includes shell and lead-out wire, enclosure interior is provided with core packet, shell nozzle end is provided with the sealing-plug for closing core packet, lead-out wire one end is connect with core packet, the other end extends to hull outside through sealing-plug, the core packet includes the anode foils being cascading from front to back, electrolytic paper A, Cathode Foil and electrolytic paper B, the anode foils and Cathode Foil height are 2.2mm, the electrolytic paper A and electrolytic paper B height are 3.2mm, anode foils top edge is apart from electrolytic paper A top edge 0.4mm, anode foils lower edge is apart from electrolytic paper A lower edge 0.6mm, Cathode Foil top edge is apart from electrolytic paper B top edge 0.4mm, Cathode Foil lower edge is apart from electrolytic paper B lower edge 0.6mm, the core winding is coiled into circle Tubular；Present invention reduces the manufacture difficulty of capacitor, reduce capacitor production defect ratio.
Description
Technical field
The present invention relates to capacitor areas, more particularly to a kind of aluminium electrolutic capacitor.
Background technique
Capacitor abbreviation capacitor is the main element for forming electronic circuit.It can store electric energy, have charging, electric discharge
And the characteristic of logical exchange, stopping direct current.It is that each class of electronic devices largely uses one of indispensable primary element.Aluminium electroloysis electricity
Container forms fuse by the overlappings such as anode aluminium foil, electrolytic paper, cathode aluminum foil, electrolytic paper winding, after fuse is impregnated with electrolyte, warp
It is prepared after group vertical and sleeve pipe, ageing, detecting step.Because of the feature of its low cost, aluminium electrolutic capacitor always is power supply
Common selection.
Aluminium electrolutic capacitor usually has the plurality of specifications such as 5mm, 7mm, 10mm, 16mm, for 5mm height aluminium electrolutic capacitor
For, generalling use electrolytic paper height in core pack arrangement in the market is 3mm, and anode foils and Cathode Foil height are 2.2mm, anode foils
With Cathode Foil apart from each 0.4mm in the upper and lower edge of electrolytic paper, the capacitor with this core pack arrangement such as encounters anode foils and cathode
There are burrs for the foil bad or anode foils of overlapping and Cathode Foil, will lead to anode foils and Cathode Foil and connect with capacitor case bottom
Touching, causes short circuit, influences capacitor quality, bad products is generated, simultaneously because 5mm height capacitor sizes are small, using tradition
The structure of anode foils and Cathode Foil apart from each 0.4mm in the upper and lower edge of electrolytic paper, needs to guarantee anode foils, Cathode Foil and electrolytic paper
Between higher machining accuracy, increase capacitor production difficulty, reduce production efficiency.
Summary of the invention
It is an object of the invention to: in order to solve existing aluminium electrolutic capacitor due to anode foils and Cathode Foil overlapping it is bad or
The problem of causing capacitor easily short-circuit there are burr, improving capacitor bad products ratio, the present invention provides a kind of aluminium electroloysis
Capacitor.
The present invention specifically uses following technical scheme to achieve the goals above:
A kind of aluminium electrolutic capacitor, including shell and lead-out wire, enclosure interior are provided with core packet, and shell nozzle end is provided with
For closing the sealing-plug of core packet, lead-out wire one end is connect with core packet, and the other end extends to hull outside through sealing-plug, described
Core packet includes the anode foils being cascading from front to back, electrolytic paper A, Cathode Foil and electrolytic paper B, the anode foils and cathode
Foil height is 2.2mm, and the electrolytic paper A and electrolytic paper B height are 3.2mm, and anode foils top edge is apart from the top edge electrolytic paper A
0.4mm, anode foils lower edge apart from electrolytic paper A lower edge 0.6mm, Cathode Foil top edge apart from electrolytic paper B top edge 0.4mm,
Cathode Foil lower edge is coiled into cylindrical shape apart from electrolytic paper B lower edge 0.6mm, the core winding.
Further, core packet outer surface is coated with erosion resisting insulation layer.
Further, the case material is metallic aluminium.
Further, the bottom end of the core packet is adhesively fixed by the bottom of bonding agent and the shell.
Beneficial effects of the present invention are as follows:
The present invention is by being set as 3.2mm, more traditional 5mm height capacitor for the electrolytic paper A of core pack arrangement and electrolytic paper B height
Core packet height increase 0.2mm, and the increased 0.2mm of height is all added to anode foils lower edge and Cathode Foil lower edge and electricity
Solve paper lower edge distance, i.e., by the upper and lower Edge Distance electrolytic paper of the anode foils of traditional 5mm height capacitor and Cathode Foil,
Each 0.4mm of lower edge is changed to anode foils top edge and Cathode Foil top edge apart from electrolytic paper top edge 0.4mm, anode foils lower edge
With Cathode Foil lower edge apart from electrolytic paper lower edge 0.6mm, one is done so can reduce core pack arrangement positioning accuracy, allows sun
Minor shifts occur for pole foil and Cathode Foil, reduce due to be overlapped between anode foils, Cathode Foil, electrolytic paper A and electrolytic paper B it is bad and
Short circuit phenomenon caused by causing anode foils or Cathode Foil easily to contact with aluminium shell of capacitor bottom, two can reduce due to burr
High voltage, heavy current impact lower prong discharge, caused by short circuit phenomenon, the present invention reduce on the whole product short circuit it is several
Rate, reduces the defect ratio of capacitor, reduce substandard products and caused by scrap cost；Simultaneously because increasing electrolytic paper height, make
It obtains small size core packet to be more easier to position, core packet production packaging is more easier.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is core pack arrangement schematic diagram；
Appended drawing reference: 1- lead-out wire, 2- sealing-plug, 3- core packet, 31- anode foils, 32- electrolytic paper A, 33- Cathode Foil, 34-
Electrolytic paper B, 4- shell.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of embodiment of the present invention, it should be noted that the orientation of the instructions such as term "inner", "outside", "upper"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put
Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of aluminium electrolutic capacitor, including shell 4 and lead-out wire 1, shells 4
It is internally provided with core packet 3,4 open end of shell is provided with the sealing-plug 2 for closing core packet 3, and 1 one end of lead-out wire and core packet 3 connect
It connects, the other end extends to outside shell 4 through sealing-plug 2, and the core packet 3 includes the anode foils being cascading from front to back
31, electrolytic paper A32, Cathode Foil 33 and electrolytic paper B34, the anode foils 31 and 33 height of Cathode Foil are 2.2mm, the electrolytic paper
A32 and electrolytic paper B34 height are 3.2mm, and for 31 top edge of anode foils apart from electrolytic paper A32 top edge 0.4mm, anode foils 31 are following
Edge is apart from electrolytic paper A32 lower edge 0.6mm, and 33 top edge of Cathode Foil is under electrolytic paper B34 top edge 0.4mm, Cathode Foil 33
L1 and L3 value is 0.4mm in Edge Distance electrolytic paper B34 lower edge 0.6mm, i.e. Fig. 2, L2 and L4 value is 0.6mm, the core packet 3
It is wound into cylindrical shape.
Specifically, 3 outer surface of core packet is coated with erosion resisting insulation layer.
Specifically, 4 material of shell is metallic aluminium.
The present embodiment principle: the present invention is by the way that the electrolytic paper A32 of 3 structure of core packet and electrolytic paper B34 height to be set as
3.2mm, the core packet 3 of more traditional 5mm height capacitor highly increases 0.2mm, and the increased 0.2mm of height is all added to anode foils
31 lower edges and 33 lower edge of Cathode Foil are at a distance from electrolytic paper lower edge, i.e., by 31 He of anode foils of traditional 5mm height capacitor
The upper and lower each 0.4mm in the upper and lower edge of Edge Distance electrolytic paper of Cathode Foil 33 is changed to 33 top of 31 top edge of anode foils and Cathode Foil
Edge apart from electrolytic paper top edge 0.4mm, 31 lower edge of anode foils and 33 lower edge of Cathode Foil apart from electrolytic paper lower edge 0.6mm,
One is done so can reduce 3 structure positioning precision of core packet, allows anode foils 31 and Cathode Foil 33 that minor shifts occur, reduce by
It is overlapped bad between anode foils 31, Cathode Foil 33, electrolytic paper A32 and electrolytic paper B34 and leads to anode foils 31 or Cathode Foil
33 easily contacted with aluminium shell of capacitor bottom caused by short circuit phenomenon, two can reduce due to burr high voltage, high current rush
Hit lower prong electric discharge, caused by short circuit phenomenon, the present invention reduces the probability of product short circuit on the whole, reduces the bad of capacitor
Ratio, reduce substandard products and caused by scrap cost；Simultaneously because electrolytic paper height is increased, so that small size core packet 3 more holds
Easily positioning, the production packaging of core packet 3 are more easier.
Embodiment 2
As shown in Figure 1, the present embodiment advanced optimizes on the basis of embodiment 1, the bottom end of the specially described core packet 3 is logical
The bottom for crossing bonding agent and the shell 4 is adhesively fixed, and doing so keeps core packet 3 fixed, reduces because the skew that shakes of core packet 3 is touched
The probability of short circuit phenomenon occurs to 4 inner wall of shell, specifically, bonding agent is epoxyn herein.
Experimental data comparison: 10V, 22 μ F, 5mm height aluminium electrolutic capacitor 1000 of traditional structure production are chosen respectively
10V, 22 μ F, 5mm height aluminium electrolutic capacitor 1000 with using the production of the present embodiment structure, test it under the same conditions
Poor short circuit rate, experimental result show that for the capacitor short-circuit number for using traditional structure to produce for 10, bad ratio is thousand points
Ten, and use the present embodiment structure produce capacitor short-circuit number for 1, bad ratio be one thousandth, using this reality
The bad ratio of capacitor for applying a structure is very low, good product quality.
Claims (4)
1. a kind of aluminium electrolutic capacitor, including shell (4) and lead-out wire (1), shell (4) are internally provided with core packet (3), shell
(4) open end is provided with the sealing-plug (2) for closing core packet (3), and lead-out wire (1) one end is connect with core packet (3), and the other end passes through
It wears sealing-plug (2) and extends to shell (4) outside, it is characterised in that: the core packet (3) includes being cascading from front to back
Anode foils (31), electrolytic paper A (32), Cathode Foil (33) and electrolytic paper B (34), the anode foils (31) and Cathode Foil (33) height
For 2.2mm, the electrolytic paper A (32) and electrolytic paper B (34) are highly 3.2mm, and anode foils (31) top edge is apart from electrolytic paper A
(32) top edge 0.4mm, anode foils (31) lower edge apart from electrolytic paper A (32) lower edge 0.6mm, Cathode Foil (33) top edge away from
From electrolytic paper B (34) top edge 0.4mm, Cathode Foil (33) lower edge is apart from electrolytic paper B (34) lower edge 0.6mm, the core packet
(3) it is wound into cylindrical shape.
2. aluminium electrolutic capacitor according to claim 1, it is characterised in that: core packet (3) outer surface is coated with corrosion resistant
Lose insulating layer.
3. aluminium electrolutic capacitor according to claim 1, it is characterised in that: shell (4) material is metallic aluminium.
4. aluminium electrolutic capacitor according to claim 1, it is characterised in that: the bottom end of the core packet (3) passes through bonding agent
It is adhesively fixed with the bottom of the shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021348.3A CN109065366A (en) | 2018-09-03 | 2018-09-03 | A kind of aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021348.3A CN109065366A (en) | 2018-09-03 | 2018-09-03 | A kind of aluminium electrolutic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065366A true CN109065366A (en) | 2018-12-21 |
Family
ID=64758388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021348.3A Pending CN109065366A (en) | 2018-09-03 | 2018-09-03 | A kind of aluminium electrolutic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927941A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Small-size high-voltage electrolytic capacitor and processing technology thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013229418A (en) * | 2012-04-25 | 2013-11-07 | San Denshi Kogyo Kk | Capacitor |
| CN103779093A (en) * | 2014-01-15 | 2014-05-07 | 南通一品机械电子有限公司 | Welding-plate-type aluminum electrolytic capacitor and electrolyte thereof |
| CN104616892A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Belt heat treatment producing technology for solid electrolyte aluminum electrolytic capacitor |
| CN204464063U (en) * | 2015-01-23 | 2015-07-08 | 重庆市图达电子科技有限公司 | Solid capacitance core pack arrangement |
| CN105244165A (en) * | 2015-08-27 | 2016-01-13 | 广东风华高新科技股份有限公司 | Chip type high-voltage aluminum electrolytic capacitor, electrolyte thereof and preparation method of electrolyte |
| CN205282290U (en) * | 2015-12-16 | 2016-06-01 | 四川峻豪电子科技有限公司 | Aluminum electrolytic capacitor |
| CN106298245A (en) * | 2016-08-24 | 2017-01-04 | 湖南艾华集团股份有限公司 | A kind of glue core bag of aluminium electrolutic capacitor |
| CN206742084U (en) * | 2017-03-01 | 2017-12-12 | 东莞市国灿电子科技有限公司 | Thoughts foil thin film capacitor |
| CN108172404A (en) * | 2018-01-16 | 2018-06-15 | 益阳市安兴电子有限公司 | A kind of aluminium electrolutic capacitor and preparation method thereof |
-
2018
- 2018-09-03 CN CN201811021348.3A patent/CN109065366A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013229418A (en) * | 2012-04-25 | 2013-11-07 | San Denshi Kogyo Kk | Capacitor |
| CN103779093A (en) * | 2014-01-15 | 2014-05-07 | 南通一品机械电子有限公司 | Welding-plate-type aluminum electrolytic capacitor and electrolyte thereof |
| CN104616892A (en) * | 2015-01-23 | 2015-05-13 | 重庆市图达电子科技有限公司 | Belt heat treatment producing technology for solid electrolyte aluminum electrolytic capacitor |
| CN204464063U (en) * | 2015-01-23 | 2015-07-08 | 重庆市图达电子科技有限公司 | Solid capacitance core pack arrangement |
| CN105244165A (en) * | 2015-08-27 | 2016-01-13 | 广东风华高新科技股份有限公司 | Chip type high-voltage aluminum electrolytic capacitor, electrolyte thereof and preparation method of electrolyte |
| CN205282290U (en) * | 2015-12-16 | 2016-06-01 | 四川峻豪电子科技有限公司 | Aluminum electrolytic capacitor |
| CN106298245A (en) * | 2016-08-24 | 2017-01-04 | 湖南艾华集团股份有限公司 | A kind of glue core bag of aluminium electrolutic capacitor |
| CN206742084U (en) * | 2017-03-01 | 2017-12-12 | 东莞市国灿电子科技有限公司 | Thoughts foil thin film capacitor |
| CN108172404A (en) * | 2018-01-16 | 2018-06-15 | 益阳市安兴电子有限公司 | A kind of aluminium electrolutic capacitor and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927941A (en) * | 2021-01-23 | 2021-06-08 | 深圳市凯特电子有限公司 | Small-size high-voltage electrolytic capacitor and processing technology thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |