CN105261479A - Multi-element capacitor - Google Patents
Multi-element capacitor Download PDFInfo
- Publication number
- CN105261479A CN105261479A CN201510559406.8A CN201510559406A CN105261479A CN 105261479 A CN105261479 A CN 105261479A CN 201510559406 A CN201510559406 A CN 201510559406A CN 105261479 A CN105261479 A CN 105261479A
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- Prior art keywords
- primes
- aluminum rivet
- bakelite
- many sub
- outside wire
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Abstract
A multi-element capacitor comprises a core package arranged in a shell. The core package comprises a negative electrode foil, an electrolytic paper and a plurality of positive electrode foils, wherein the plurality of positive electrode foils are sequentially wound with the electrolytic paper and the negative electrode foil, positive electrode leading-out lines are connected onto the plurality of positive electrode foils in a cold riveting connection mode and are all arranged at one end of each positive electrode foils, and a negative electrode leading-out line is arranged at the middle of the negative electrode foil in a cold riveting connection mode. In the multi-element capacitor provided by the invention, the plurality of positive electrode foils are independent to one another, the impedance among the positive electrode foils is high, and the interference among the positive electrode foils is low; meanwhile, the plurality of positive electrode foils share the negative electrode foil, the space is saved to the greatest extent; and the negative electrode leading-out line is arranged at the middle of the negative electrode foil, the positive electrode leading-out lines are arranged at one end of each positive electrode foil, no series impedance is generated among all elements, and thus, the multi-element capacitor has the advantages of minimum common impedance, low heat and resistance to high ripple wave.
Description
Technical field
The present invention relates to a kind of capacitor, particularly relate to a kind of low-impedance many sub-primes capacitor.
Background technology
Electric capacity is called in the usual letter of capacitor, is a kind of device holding electric charge, and electric capacity is one of a large amount of electronic component used in electronic equipment, be widely used in circuit every straight-through friendship, coupling, bypass, filtering, resonant tank, power conversion, the aspects such as control.In DC circuit, capacitor is equivalent to open circuit.Capacitor is a kind of element can storing electric charge, is also one of the most frequently used electronic component.Existing large-scale capacitor device often adopts and load two or more sub-prime in same shell, is called many sub-primes capacitor; Impedance between each anode of existing many sub-primes capacitor is too small, and common impedance is relatively too large, impacts the actual use of capacitor.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides the simple Low ESR of a kind of structure many sub-primes capacitor.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes is: a kind of many sub-primes capacitor, comprises setting core bag in the enclosure; Described core handbag draws together anode foil, electrolytic paper and multiple cathode foil; Multiple described cathode foil reels with electrolytic paper and anode foil successively; The mode that multiple described cathode foil is all connected by cold riveting is connected with positive outside wire, and described positive outside wire is all arranged on one end of cathode foil, and the centre of described anode foil is provided with a negative outside wire by the mode that cold riveting connects.In the present invention, separate between multiple cathode foil, impedance between each cathode foil is disturbed little greatly mutually, the public anode foil of multiple cathode foil simultaneously, conserve space to greatest extent, in the present invention, negative outside wire is arranged on the centre of anode foil, and one end that positive outside wire is all arranged on cathode foil does not now have series impedance between each sub-prime, therefore the common impedance of the present invention's many sub-primes capacitor is minimum, generate heat little, resistance to high ripple.
In the present invention, between described electrolytic paper and cathode foil, be provided with one deck barrier paper.
In the present invention, between described electrolytic paper and anode foil, be provided with one deck barrier paper.In the present invention, prevent between cathode foil and anode foil breakdown by arranging barrier paper again between cathode foil and electrolytic paper and between anode foil and electrolytic paper.
In the present invention, core bag is sealed in enclosure by sealing device by described shell, and described sealing device comprises rubber stopper, bakelite and coupling assembling; Described bakelite and rubber stopper are fitted and bakelite is positioned at the inner side of rubber stopper, and described coupling assembling is connected with positive outside wire with rubber stopper through bakelite.High temperature resistant, the corrosion resistant ability of the present invention's many sub-primes container sealing device is strengthened by arranging of bakelite.
In the present invention, described coupling assembling comprises aluminum rivet, caulking gum packing ring through bakelite and rubber stopper; Described caulking gum packing ring is arranged in aluminum rivet, and the head of described aluminum rivet is provided with the connecting through hole of multiple cross-under positive outside wire, and the afterbody of described aluminum rivet is connected with external terminal.
In the present invention, multiple described positive outside wire welds with aluminum rivet head through the equal inflection of connecting through hole of aluminum rivet head, to guarantee the stability of the electric connection of positive outside wire of the present invention and aluminum rivet.
In the present invention, described coupling assembling comprises multiple aluminum rivet of passing bakelite and rubber stopper and the sealing rubber plug be arranged in aluminum rivet; The head of multiple described aluminum rivet is provided with the connecting through hole of a cross-under positive outside wire, and the afterbody of multiple aluminum rivet is all connected with an external terminal.
In the present invention, the connecting hole that multiple described positive outside wire is each passed through multiple aluminum rivet head is connected with aluminum rivet.
In the present invention, the central authorities of described bakelite offer safety device hole.
In the present invention, described core bag is fixing in the enclosure by core bag fixative, and described core bag fixative is block random polypropylene or strip random polypropylene.
Compared with prior art, the invention has the advantages that: be separate between multiple cathode foil of many sub-primes capacitor of the present invention, impedance between each cathode foil is large, interference is little mutually, the public anode foil of multiple cathode foil simultaneously, conserve space to greatest extent, in the present invention, negative outside wire is arranged on the centre of anode foil, one end that positive outside wire is all arranged on cathode foil does not now have series impedance between each sub-prime, therefore the common impedance of the present invention's many sub-primes capacitor is minimum, generate heat little, resistance to high ripple.High temperature resistant, the corrosion resistance and good of the sealing device of many sub-primes capacitor of the present invention make its good sealing effect, effectively can stop the volatilization of electrolyte.
Accompanying drawing explanation
Fig. 1 is the structural representation of many sub-primes capacitor in the embodiment of the present invention 1.
Fig. 2 is the structural representation of many sub-primes capacitor in the embodiment of the present invention 2.
Fig. 3 is the expansion schematic diagram of the present invention's many sub-primes capacitor core bag.
Marginal data
1, shell; 2, sleeve pipe; 3, core bag; 4, anode foil; 5, cathode foil; 6, positive outside wire; 7, negative outside wire; 8, rubber stopper; 9, bakelite; 10, aluminum rivet; 11, caulking gum packing ring; 12, external terminal; 13, safety device hole; 14, fixative; 15, insulating base.
Embodiment
For the ease of understanding the present invention, hereafter will do to describe more comprehensively, meticulously to the present invention in conjunction with Figure of description and preferred embodiment, but protection scope of the present invention is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or be communicated with on another element, also can be by other intermediate connectors indirectly fixing, affixed, connection or connection on another element.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit the scope of the invention.
Embodiment 1
One many sub-primes capacitor as shown in figures 1 and 3, comprises the core bag 3 be arranged in shell 1, shell 1 is coated with plastic bushing 2; Core bag 3 comprises anode foil 4, electrolytic paper and two cathode foil 5, can be the cathode foil of more than 2 in other embodiments; 2 cathode foil 5 reel with electrolytic paper and anode foil 4 successively; The mode that 2 cathode foil 5 are all connected by cold riveting is connected with positive outside wire 6, and positive outside wire 6 is all arranged on one end of cathode foil 5, and the centre of anode foil 4 is provided with a negative outside wire 7 by the mode that cold riveting connects.One deck barrier paper is provided with between electrolytic paper and cathode foil 5.One deck barrier paper is provided with between electrolytic paper and anode foil.
In the present embodiment, core bag 3 is sealed in shell 1 inside by sealing device by shell 1, and sealing device comprises rubber stopper 8, bakelite 9 and coupling assembling; Bakelite 9 and rubber stopper 8 are fitted and bakelite 9 is positioned at the inner side of rubber stopper 8, and coupling assembling is connected with positive outside wire 6 with rubber stopper 8 through bakelite 9.Coupling assembling comprises aluminum rivet 10, caulking gum packing ring 11 through bakelite 9 and rubber stopper 8; Caulking gum packing ring 11 is arranged in aluminum rivet 10, and the head of aluminum rivet 10 is provided with the connecting through hole of 2 cross-under positive outside wires 6, and the afterbody of aluminum rivet 10 is connected with external connection end 12.2 positive outside wires 6 weld with aluminum rivet 10 head through the equal inflection of connecting through hole of aluminum rivet 10 head.
In the present embodiment, the central authorities of bakelite 9 offer safety device hole 13.Core bag 3 is fixed in shell 1 by core bag fixative 14, and core bag fixative 14 is block random polypropylene or strip random polypropylene.
Embodiment 2
As shown in Figure 2 in the present embodiment, coupling assembling comprises 2 aluminum rivet 10 of passing bakelite 9 and rubber stopper 8 and the sealing rubber plug 8 be arranged in aluminum rivet 10; The head of 2 aluminum rivet 10 is provided with the connecting through hole of a cross-under positive outside wire 6, and the afterbody of 2 aluminum rivet 10 is all connected with an external terminal 12.The connecting hole that 2 positive outside wires 6 are each passed through 2 aluminum rivet 10 heads is connected with aluminum rivet 10.In the present embodiment, the bottom of shell 1 is provided with one piece of insulating base 15 and the circuit isolation on connecting circuit board.
Other parts of the present embodiment are identical with embodiment 1.
Claims (10)
1. the capacitor of sub-prime more than, is characterized in that: comprise setting core bag in the enclosure; Described core handbag draws together anode foil, electrolytic paper and multiple cathode foil; Multiple described cathode foil reels with electrolytic paper and anode foil successively; The mode that multiple described cathode foil is all connected by cold riveting is connected with positive outside wire, and described positive outside wire is all arranged on one end of cathode foil, and the centre of described anode foil is provided with a negative outside wire by the mode that cold riveting connects.
2. many sub-primes capacitor according to claim 1, is characterized in that: be provided with one deck barrier paper between described electrolytic paper and cathode foil.
3. many sub-primes capacitor according to claim 2, is characterized in that: be provided with one deck barrier paper between described electrolytic paper and anode foil.
4. the many sub-primes capacitor according to any one of claim 1-3, is characterized in that: core bag is sealed in enclosure by sealing device by described shell, and described sealing device comprises rubber stopper, bakelite and coupling assembling; Described bakelite and rubber stopper are fitted and bakelite is positioned at the inner side of rubber stopper, and described coupling assembling is connected with positive outside wire with rubber stopper through bakelite.
5. many sub-primes capacitor according to claim 4, is characterized in that: described coupling assembling comprises aluminum rivet, caulking gum packing ring through bakelite and rubber stopper; Described caulking gum packing ring is arranged in aluminum rivet, and the head of described aluminum rivet is provided with the connecting through hole of multiple cross-under positive outside wire, and the afterbody of described aluminum rivet is connected with external terminal.
6. many sub-primes capacitor according to claim 5, is characterized in that: multiple described positive outside wire welds with aluminum rivet head through the equal inflection of connecting through hole of aluminum rivet head.
7. many sub-primes capacitor according to claim 4, is characterized in that: described coupling assembling comprises multiple aluminum rivet of passing bakelite and rubber stopper and the sealing rubber plug be arranged in aluminum rivet; The head of multiple described aluminum rivet is provided with the connecting through hole of a cross-under positive outside wire, and the afterbody of multiple aluminum rivet is all connected with an external terminal.
8. many sub-primes capacitor according to claim 7, is characterized in that: the connecting hole that multiple described positive outside wire is each passed through multiple aluminum rivet head is connected with aluminum rivet.
9. many sub-primes capacitor according to claim 4, is characterized in that: the central authorities of described bakelite offer safety device hole.
10. many sub-primes capacitor according to claim 1, is characterized in that: described core bag is fixing in the enclosure by core bag fixative, and described core bag fixative is block random polypropylene or strip random polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559406.8A CN105261479A (en) | 2015-09-07 | 2015-09-07 | Multi-element capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559406.8A CN105261479A (en) | 2015-09-07 | 2015-09-07 | Multi-element capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105261479A true CN105261479A (en) | 2016-01-20 |
Family
ID=55101122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510559406.8A Pending CN105261479A (en) | 2015-09-07 | 2015-09-07 | Multi-element capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105261479A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663824A (en) * | 1983-07-05 | 1987-05-12 | Matsushita Electric Industrial Co., Ltd. | Aluminum electrolytic capacitor and a manufacturing method therefor |
| CN203013533U (en) * | 2012-09-14 | 2013-06-19 | 成都达瑞斯科技有限公司 | Cover plate installed on casing of large-scale capacitor |
| CN203179698U (en) * | 2013-01-24 | 2013-09-04 | 湖南省益阳市朝阳电子元件厂 | Aluminum electrolytic capacitor |
| CN103440992A (en) * | 2013-09-04 | 2013-12-11 | 深圳市尼康继峰电子有限公司 | Aluminum electrolytic capacitor cover plate |
-
2015
- 2015-09-07 CN CN201510559406.8A patent/CN105261479A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4663824A (en) * | 1983-07-05 | 1987-05-12 | Matsushita Electric Industrial Co., Ltd. | Aluminum electrolytic capacitor and a manufacturing method therefor |
| CN203013533U (en) * | 2012-09-14 | 2013-06-19 | 成都达瑞斯科技有限公司 | Cover plate installed on casing of large-scale capacitor |
| CN203179698U (en) * | 2013-01-24 | 2013-09-04 | 湖南省益阳市朝阳电子元件厂 | Aluminum electrolytic capacitor |
| CN103440992A (en) * | 2013-09-04 | 2013-12-11 | 深圳市尼康继峰电子有限公司 | Aluminum electrolytic capacitor cover plate |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160120 |