CN201773709U - Foil-type non-inductive capacitor - Google Patents
Foil-type non-inductive capacitor Download PDFInfo
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- CN201773709U CN201773709U CN2010205323980U CN201020532398U CN201773709U CN 201773709 U CN201773709 U CN 201773709U CN 2010205323980 U CN2010205323980 U CN 2010205323980U CN 201020532398 U CN201020532398 U CN 201020532398U CN 201773709 U CN201773709 U CN 201773709U
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Abstract
The utility model discloses a foil-type non-inductive capacitor. Two aluminum foils (1) and two films (2) intercross layer by layer, the two aluminum foils (1) are staggered right and left to expose one end respectively, the two exposed ends are coiled, two pin wires (3) are respectively welded at the exposed ends of the aluminum foils (1) and are vertical to a coil axis. Impregnant is impregnated between the aluminum foils (1) and between the films (2). The outmost layer of a coiled core formed by coiling the aluminum foils (1) and the films (2) together is enveloped by epoxy resin. The foil-type non-inductive capacitor is low in cost, simple in production, high in voltage resistance and insulated resistance, stable in capacity, good in frequency property and low in loss.
Description
Technical field
The utility model relates to a kind of components and parts, especially a kind of paper tinsel formula noninductive capacitor.
Technical background
Capacitor is the main passive electronic component that constitutes electronic circuit, uses during the capacitor of various materials and different structure developing and use.Wherein film capacitor occupies very big market with its superior performance.Present domestic foil type capacitor is divided into thoughts formula capacitor CL11 and no-induction capacitor CL21, and basic role is identical with use occasion.Domestic high-grade film capacitor is monopolized by companies such as PANASONIC, day smart motor, Philip, Italian A Ke, Siemens all the time.Domestic prior art or quality parameter are poor, or complex process, cost height, production cycle are long, not environmental protection, and the market competitiveness is low.
Thoughts formula capacitor CL11 adopts aluminium foil+dielectric film, after lead-foot-line is welded on the aluminium foil earlier, takes the thoughts formula to reel again, and lead-foot-line is in volume in-core portion, parallel with the volume wire mandrel, application then, electric-examination, processing, the simple cost of technology is low, but of poor quality, and frequency is poor, and loss is high relatively.
No-induction capacitor CL21 adopts the metalized film no-induction to reel, evaporation metal on film, before extraction electrode, can damage deielectric-coating for avoiding directly welding with metalized film, usually after metalized film two ends metal spraying belongs to material, lead-foot-line is welded on metal spraying again and belongs to, lead-foot-line is in volume core outside, and is vertical with the volume wire mandrel, carry out application then, electric-examination, processing, complex process needs parcel, energize, metal spraying, detachment, deburring operation, the production cycle is long, the cost height, and not environmental protection of metal spraying material, big to environmental impact, big to operating personnel's health effect.
The full film paper tinsel of a kind of dry type oil immersion formula noninductive capacitor, though it also is noninductive structure, but it is pole plates that there is the dipping hole at the center with portion's product that the outstanding position of aluminium foil is connected, pole plate is connected with lead-foot-line more then, and pole plate also will be installed in the insulated tube, also will be tightly connected, also will add nut further seals, complex process, portion's product are complicated, may reveal the phenomenon of oil in addition.
The utility model content
Technical problem to be solved in the utility model provide a kind of with low cost, produce simple, withstand voltage height, insulation resistance height, capacity is stable, frequency is good, loss is low paper tinsel formula noninductive capacitor.
For achieving the above object, a kind of paper tinsel formula of the utility model noninductive capacitor, its structural feature is: two-layer aluminium foil and two membranes are interted layer by layer, and an end is respectively exposed in dislocation about two-layer aluminium foil, batch together, the two pins line is welded on that end that aluminium foil exposes respectively, and lead-foot-line is vertical with the spool line.
Be soaked with between aluminium foil layer and the rete and contain preserved material.The outermost layer of the volume core that forms after aluminium foil and film are rolled together is with epoxy resin enclosed.
The utility model compared with prior art, its advantageous effect is:
1, because what the utility model adopted is the mode that aluminium foil in the present domestic thoughts capacitor arrangement+dielectric film is reeled, the product of making but is noninductive electric capacity, it is withstand voltage, insulation, frequency, performances such as loss surpass thoughts electric capacity, and can reach with industry in general noninductive capacitor---the parameter that the metallized film product is identical that adopts, remove simultaneously the parcel when producing noninductive capacitor again from, energize, metal spraying, detachment, deburring operation, saved 30% cost, and than the full film paper tinsel of a kind of dry type oil immersion formula noninductive capacitor technology, portion's product, assembling is simple, and is with low cost.
2, because the lead-foot-line that the utility model adopts directly is welded on the AL-foil that expose volume core both sides, do not need to resemble in the noninductive electric capacity on the present domestic market metallized film product and before doing the lead-foot-line welding, need do metal spraying powder program one, metal spraying material mainly is a Zinc-tin alloy, particularity because of this procedure, operating environment is poor, be that poisonous and harmful has the pollution operation, the present invention satisfies pollution-free operation, environmental requirement.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the aluminium foil of a kind of paper tinsel formula of the utility model noninductive capacitor and the structural representation that film interts.
Fig. 2 is a kind of paper tinsel formula of the utility model noninductive capacitor structure cutaway view.
Embodiment
As shown in Figure 1 and Figure 2, a kind of paper tinsel formula of the utility model noninductive capacitor takes two-layer aluminium foil 1 and two membranes 2 to intert layer by layer, and an end is respectively exposed in two-layer aluminium foil about 1 dislocation, batch together, two pins line 3 is welded on that end that aluminium foil 1 exposes respectively, and lead-foot-line 3 is vertical with the spool line.Be soaked with between 2 layers of aluminium foil layer 1 and the films and contain preserved material.The outermost layer of the volume core 4 that forms after aluminium foil 1 and film 2 are rolled together is with epoxy resin enclosed.
The utility model at first batches, and two-layer aluminium foil 1 and two membranes 2 are interted layer by layer, and two-layer aluminium foil about 1 staggers, and batches together, forms volume core 4; Hot repressing, the volume core 4 after will batching under the temperature about 125 degree flattens aging, discharges volume core 4 inner airs, and typing improves mechanical strength; Weld again, by the voltage of 0.5v～1.5v, the electric current of 0.4KA～1.9KA, under the pressure effect of 1.0Kgf～7.0Kgf, at aluminium foil 1 bared end, lead-foot-line 3 is in volume core 4 outsides, with volume core 4 axis normal, extraction electrode with lead-foot-line 3 direct spot weldings; Impregnation application again, product after at first will welding in 100 ℃ heating furnace preheats 30 minutes, get rid of the product inner moisture, product after will welding in the closed container of vacuum degree for-0.08MPa then vacuumized for 5 seconds, further get rid of moisture and air, and in the inner vacuum layer that forms of product, under atmospheric condition, carry out impregnation 30 seconds again, contain preserved material and under the effect of atmosphere, be pressed into product inside, heat 5～30 fens kinds then and carry out a underhardening in 50～100 ℃ heating furnace, containing the preserved material initial stage at high temperature dilutes, and further is penetrated into product inside, after-hardening, prevent that moisture from entering, under atmospheric condition, product was carried out impregnation 10 seconds again, contain the preserved material deficiency with what remedy product surface in the sclerosis for the first time, and then strengthen the product moisture-proof comprehensively, heating was carried out post-curing in 30 minutes in 100～110 ℃ heating furnace then, prevented that moisture from entering, and carried out application at last, at the product outermost layer with epoxy resin enclosed, can be further damp proof; Electric-examination is again carried out capacity, withstand voltage, insulation resistance, loss four big parameters with automatic fraction collector with capacitor and is sorted, and rejects the electrical property defective products; Cut pin according to client's needs at last or the FT braid is processed.
Claims (3)
1. paper tinsel formula noninductive capacitor, it is characterized in that: two-layer aluminium foil (1) and two membranes (2) are interted layer by layer, and an end is respectively exposed in dislocation about two-layer aluminium foil (1), batch together, two pins line (3) is welded on that end that aluminium foil (1) exposes respectively, and lead-foot-line (3) is vertical with the spool line.
2. a kind of paper tinsel formula noninductive capacitor according to claim 1 is characterized in that: be soaked with between described aluminium foil (1) layer and the rete (2) and contain preserved material.
3. a kind of paper tinsel formula noninductive capacitor according to claim 1 is characterized in that: the outermost layer of the volume core (4) that forms after described aluminium foil (1) and film (2) are rolled together is with epoxy resin enclosed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205323980U CN201773709U (en) | 2010-09-10 | 2010-09-10 | Foil-type non-inductive capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205323980U CN201773709U (en) | 2010-09-10 | 2010-09-10 | Foil-type non-inductive capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773709U true CN201773709U (en) | 2011-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205323980U Expired - Fee Related CN201773709U (en) | 2010-09-10 | 2010-09-10 | Foil-type non-inductive capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773709U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013323A (en) * | 2010-09-10 | 2011-04-13 | 黄山晶松薄膜电容器制造有限公司 | Foil noninductive capacitor and manufacturing process thereof |
| CN102394176A (en) * | 2011-09-28 | 2012-03-28 | 长兴柏成电子有限公司 | Production process of metallized polyester film dielectric capacitor |
| CN106252077A (en) * | 2016-10-20 | 2016-12-21 | 无锡宸瑞新能源科技有限公司 | A kind of winding method being applied to thin film capacitor |
-
2010
- 2010-09-10 CN CN2010205323980U patent/CN201773709U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013323A (en) * | 2010-09-10 | 2011-04-13 | 黄山晶松薄膜电容器制造有限公司 | Foil noninductive capacitor and manufacturing process thereof |
| CN102394176A (en) * | 2011-09-28 | 2012-03-28 | 长兴柏成电子有限公司 | Production process of metallized polyester film dielectric capacitor |
| CN106252077A (en) * | 2016-10-20 | 2016-12-21 | 无锡宸瑞新能源科技有限公司 | A kind of winding method being applied to thin film capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |