CN208444737U - Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor - Google Patents
Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor Download PDFInfo
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- CN208444737U CN208444737U CN201821057174.1U CN201821057174U CN208444737U CN 208444737 U CN208444737 U CN 208444737U CN 201821057174 U CN201821057174 U CN 201821057174U CN 208444737 U CN208444737 U CN 208444737U
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Abstract
The utility model relates to aluminum electrolytic capacitor core packet and aluminium electrolutic capacitors, the aluminum shell inner cavity top is provided with sealant lid, core packet is provided with below the sealant lid, the core, which is wrapped, is provided with positive plate, negative electrode tab, the positive plate, negative electrode tab top has been respectively fixedly connected with positive pin, negative pin, the anode pin, negative pin extends on the outside of aluminum shell through sealant lid, the core packet is by cathode foil, internal layer electrolytic paper, anode foil, outer layer electrolytic paper is successively wound, the positive plate, negative electrode tab bottom is not fixedly connected on cathode foil by confining deduction of points, in anode foil, electrolysis adhesive tape is enclosed on the outside of the outer layer electrolytic paper, the gasket and aluminum shell intracavity bottom are provided with explosion-proof gasket, the aluminum shell outer sheath is equipped with pyrocondensation sleeve, increase the contact area of aluminium foil and electrolytic paper, it can be big Width mentions its electronics conduction function, can effectively promote the performance of capacitor, and stability is strong when work, enhances the reliability of component.
Description
Technical field
The utility model relates to aluminum electrolytic capacitor core packet and aluminium electrolutic capacitors, belong to technical field of electronic components.
Background technique
Traditional capacitor production technology, aluminium foil lead the foil general riveting of lead riveting foot at an end of paillon before winding
Head, the aluminium foil toroidal cores packet that winding is changed from small to big at a diameter together with electrolytic paper since other end paillon, this core packet warp
It is fabricated to aluminium electrolutic capacitor after the processes such as electrolyte vacuum dipping, seasoned, fixed, welding, when capacitor is in alternate current operation
It under state, and is powered moment in starting, the ring current that the annular aluminium foil in core packet changes passes through, and forms an inductance, root
According to the working principle of inductance, this inductance generates induced current in the opposite direction, hinders forward current to pass through, to generate resistance
It is anti-, and then cause the heated volatilization of the raising of capacitor core temperature, electrolyte excessive, air pressure raising in capacitor inner cavity leads to gas explosion etc.
A series of problems greatly shortens the service life of start-up capacitance device.
Utility model content
The purpose of this utility model is to provide aluminum electrolytic capacitor core packet and aluminium electrolutic capacitors, by the way that sealant is arranged
Lid avoids electrolyte by the gap leakage between aluminum shell and sealing layer or evaporates into the external world, is drawn by the way that positive and negative anodes are arranged
Foot, can be to quick export inside capacitor, and by the way that core packet is arranged, core is that laminated aluminium foil and electrolysis paper layer are bonded the column being rolled into
Shape body, reaches the contact area for increasing aluminium foil and electrolytic paper and then the frequency for increasing capacitor reduces impedance, by the way that explosion-proof pad is arranged
Piece avoids capacitor that accident occurs and accidentally injures other people, by setting pyrocondensation sleeve, increases the outwardly extending space of core packet thermal expansion, together
When firm effect also integrally played to capacitor by fastening band, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor, including aluminum shell, it is characterised in that: the aluminum shell inner cavity top
Portion is provided with sealant lid, is provided with core packet below the sealant lid, the core, which is wrapped, is provided with positive plate, negative electrode tab, institute
State positive plate, negative electrode tab top has been respectively fixedly connected with positive pin, negative pin, anode pin, the negative pin run through
Sealant lid extends on the outside of aluminum shell, and the core packet is successively rolled up by cathode foil, internal layer electrolytic paper, anode foil, outer layer electrolytic paper
Around forming, the positive plate, negative electrode tab bottom are not fixedly connected on cathode foil, in anode foil by confining deduction of points, the outer layer
Electrolysis adhesive tape is enclosed on the outside of electrolytic paper, the aluminum shell intracavity bottom is provided with explosion-proof gasket, is arranged on the outside of the aluminum shell
There is pyrocondensation sleeve.
Further, the positive pin, negative pin are cylindric, and the positive pin, negative pin height
It is equal with diameter.
Further, the cathode foil and anode foil are by the way that volume is attached to internal layer electrolytic paper and outer layer electricity respectively after Cold welding
It solves on paper.
Further, the inner wall of the aluminum shell, which is sticked, insulating film.
Further, fastening band is symmetrically arranged on the outside of the pyrocondensation sleeve.
Further, rubber pad is provided between the aluminum shell bottom and the pyrocondensation sleeve.
The beneficial effects of the utility model are: aluminum electrolytic capacitor core packet and alminium electrolytic condenser involved in the utility model
Device, by the way that sealant lid is arranged, avoid electrolyte by the gap leakage between aluminum shell and sealing layer or evaporates into the external world,
, can be to quickly export inside capacitor by the way that positive and negative anodes pin is arranged, by the way that core packet is arranged, core is laminated aluminium foil and electrolysis
Paper layer is bonded the column being rolled into, and reaches the contact area for increasing aluminium foil and electrolytic paper and then the frequency reduction for increasing capacitor hinders
It is anti-, by the way that explosion-proof gasket is arranged, avoids capacitor that accident occurs and accidentally injure other people, by setting pyrocondensation sleeve, increase core packet thermal expansion
Outwardly extending space, while also integrally playing firm effect to capacitor by fastening band, stability is strong when work, enhancing
The reliability of component.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel specific embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the overall structure diagram of the utility model aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor；
Fig. 2 is the core packet schematic diagram of the utility model aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor；
Fig. 3 is the core packet composition schematic diagram of the utility model aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor；
Figure label: 1, aluminum shell；2, sealant lid；3, core packet；4, positive plate；5, negative electrode tab；6, positive pin；7, it bears
Pole pin；8, cathode foil；9, internal layer electrolytic paper；10, anode foil；11, outer layer electrolytic paper；12, confine button；13, it is electrolysed adhesive tape；
14, explosion-proof gasket；15, pyrocondensation sleeve；16, fastening band.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution:
Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor, including aluminum shell 1, it is characterised in that: 1 inner cavity of aluminum shell
Top is provided with sealant lid 2, avoids electrolyte by the gap leakage between aluminum shell 1 and sealing layer or evaporates into outer
Boundary is provided with core packet 3 below the sealant lid 2, is provided with positive plate 4, negative electrode tab 5 on the core packet 3, the positive plate 4,
5 top of negative electrode tab has been respectively fixedly connected with positive pin 6, negative pin 7, and the anode pin 6, negative pin 7 are through sealing
Glue lid 2 extends to 1 outside of aluminum shell, and the core packet 3 is by cathode foil 8, internal layer electrolytic paper 9, anode foil 10, outer layer electrolytic paper 11
It successively winds, core is laminated aluminium foil and is electrolysed paper layer and is bonded the column that is rolled into, reaches and increases aluminium foil and electrolytic paper
Contact area and then the frequency for increasing capacitor reduce impedance, and the positive plate 4,5 bottom of negative electrode tab are solid respectively by confining button 12
Surely it is connected to cathode foil 8, in anode foil 10, electrolysis adhesive tape 13, bottom of chamber in aluminum shell 1 is enclosed on the outside of the outer layer electrolytic paper 11
Portion is provided with explosion-proof gasket 14, avoids capacitor that accident occurs and accidentally injures other people, and 1 outer sheath of aluminum shell is equipped with pyrocondensation sleeve
15。
More specifically, the positive pin 6, negative pin 7 are cylindric, and the positive pin 6, negative pin
7 height are equal with diameter, facilitate pin that the electric energy in capacitor is quickly transported out, the cathode foil 8 and anode foil
10, by the way that volume is attached on internal layer electrolytic paper 9 and outer layer electrolytic paper 11 respectively after riveting or Cold welding, increase aluminium foil and electrolytic paper
Contact area so that increase the frequency of capacitor and reduce impedance, the inner wall of the aluminum shell 1 is sticked and has insulating film, avoids core packet 3
Electric leakage outward, 15 outside of pyrocondensation sleeve is symmetrically arranged with fastening band 16, integrally plays firm effect to capacitor, described
It is provided with rubber pad between 1 bottom of aluminum shell and the pyrocondensation sleeve 15, just face aluminum shell 1 rubs with pyrocondensation sleeve 15.
Utility model works principle: positive plate 4, negative electrode tab 5 are securely attached to by upper 8 just using nail 12 is confined
On pole foil, 10 anode foils, 8 cathode foils, 9 internal layer electrolytic papers, 10 anode foils, 11 outer layer electrolytic papers are successively then wound into core packet
3, outside winding electrolysis adhesive tape 13 makes sealant lid 2 and 1 perfection of aluminum shell carve conjunction by the assembly of core packet 3 in aluminum shell 1.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor, including aluminum shell (1), it is characterised in that: in the aluminum shell (1)
Top of chamber is provided with sealant lid (2), is provided with core packet (3) below the sealant lid (2), is provided on the core packet (3)
Positive plate (4), negative electrode tab (5), the positive plate (4), negative electrode tab (5) top have been respectively fixedly connected with positive pin (6), cathode
Pin (7), the anode pin (6), negative pin (7) extend on the outside of aluminum shell (1) through sealant lid (2), the core
Packet (3) is successively wound by cathode foil (8), internal layer electrolytic paper (9), anode foil (10), outer layer electrolytic paper (11), the anode
Piece (4), negative electrode tab (5) bottom are respectively fixedly connected in cathode foil (8), anode foil (10) by confining button (12), described outer
Electrolysis adhesive tape (13) is enclosed on the outside of layer electrolytic paper (11), aluminum shell (1) intracavity bottom is provided with explosion-proof gasket (14), institute
Aluminum shell (1) outer sheath is stated equipped with pyrocondensation sleeve (15).
2. aluminum electrolytic capacitor core packet according to claim 1 and aluminium electrolutic capacitor, it is characterised in that: the anode draws
Foot (6), negative pin (7) are cylindric, and the positive pin (6), negative pin (7) are highly equal with diameter.
3. aluminum electrolytic capacitor core packet according to claim 1 and aluminium electrolutic capacitor, it is characterised in that: the cathode foil
(8) with anode foil (10) by the way that volume is attached on internal layer electrolytic paper (9) and outer layer electrolytic paper (11) respectively after Cold welding.
4. aluminum electrolytic capacitor core packet according to claim 1 and aluminium electrolutic capacitor, it is characterised in that: the aluminum shell
(1) inner wall is sticked and has insulating film.
5. aluminum electrolytic capacitor core packet according to claim 1 and aluminium electrolutic capacitor, it is characterised in that: the thermal shrinkable sleeve
Symmetrically fastening band (16) are arranged on the outside of cylinder (15).
6. aluminum electrolytic capacitor core packet according to claim 1 and aluminium electrolutic capacitor, it is characterised in that: the aluminum shell
(1) rubber pad is provided between bottom and the pyrocondensation sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057174.1U CN208444737U (en) | 2018-07-04 | 2018-07-04 | Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057174.1U CN208444737U (en) | 2018-07-04 | 2018-07-04 | Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208444737U true CN208444737U (en) | 2019-01-29 |
Family
ID=65087561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821057174.1U Active CN208444737U (en) | 2018-07-04 | 2018-07-04 | Aluminum electrolytic capacitor core packet and aluminium electrolutic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208444737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792603A (en) * | 2021-01-25 | 2022-07-26 | 华为数字能源技术有限公司 | Capacitor assembly and electronic device |
| CN115036140A (en) * | 2022-06-24 | 2022-09-09 | 南通新三能电子有限公司 | Long-and-thin type long-life aluminum electrolytic capacitor |
-
2018
- 2018-07-04 CN CN201821057174.1U patent/CN208444737U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792603A (en) * | 2021-01-25 | 2022-07-26 | 华为数字能源技术有限公司 | Capacitor assembly and electronic device |
| CN114792603B (en) * | 2021-01-25 | 2024-04-09 | 华为数字能源技术有限公司 | Capacitor assembly and electronic device |
| CN115036140A (en) * | 2022-06-24 | 2022-09-09 | 南通新三能电子有限公司 | Long-and-thin type long-life aluminum electrolytic capacitor |
| CN115036140B (en) * | 2022-06-24 | 2023-08-25 | 南通新三能电子有限公司 | Slender long-life aluminum electrolytic capacitor |
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