CN202120761U - Three-series-connection film capacitor - Google Patents
Three-series-connection film capacitor Download PDFInfo
- Publication number
- CN202120761U CN202120761U CN2011202339002U CN201120233900U CN202120761U CN 202120761 U CN202120761 U CN 202120761U CN 2011202339002 U CN2011202339002 U CN 2011202339002U CN 201120233900 U CN201120233900 U CN 201120233900U CN 202120761 U CN202120761 U CN 202120761U
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- China
- Prior art keywords
- capacitor
- metallized
- film
- series
- metal layer
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- Expired - Fee Related
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Abstract
The utility model discloses a three-series-connection film capacitor. A capacitor core of the film capacitor is formed by winding two metallized films with identical metallized layer structure in overlapping mode, two parallel metallized layers with a certain width and not communicated with each other are plated on an upper single face of each metallized film, and a blank margin with a certain width is arranged on one side of the upper single face of each metallized film along the longitudinal direction. A continuous saw-tooth shape is formed at the edge of each metallized layer opposite to the blank margin. Therefore, the capacitor can form a structure that three capacitors with the same capacity are in series connection, voltage resistance of the capacitor is improved, capacity fluctuation during manufacture of the capacitor is reduced, and service life of the capacitor is prolonged. Simultaneously, a metal spraying layer is tightly contacted with the capacitor core so that the capacitor has a capability of resisting multi-time large current impact.
Description
Technical field
The utility model relates to a kind of three tandem thin-film capacitors, especially comprises a kind of three tandem thin-film capacitors of the capacitor body that is wound into by metallized film.
Background technology
Along with development of science and technology, lamp capacitor market proposes higher proof voltage, longer service time, the New Set of better anti-rush of current.But common shunt capacitor and inner two-in-series capacitor can't satisfy the requirement of new capability index.Need the structure of design capacitance device again.
The utility model content
The purpose of the utility model is the deficiency to existing capacitor, and a kind of three tandem thin-film capacitors of high pressure resistant, anti-heavy current impact are provided.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of three tandem thin-film capacitors; Its capacitor body is formed by the identical superimposed coiling of metallized film of two strip metal layer structure; It is characterized in that: single face is coated with the parallel metal layer that does not communicate of two certain widths on the said metallized film, and the blank that a side longitudinally is provided with certain width is stayed the limit.
Staying relative metal layer edge, limit with blank on the said metallized film is continuous zigzag.
Adopt such structure, can make capacitor form three structures that wait the capacity capacitor series connection, improved the proof voltage of capacitor, reduced the capacity fluctuating level when capacitor is made, increased the capacitor life-span level.The edge that metal layer is arranged on the metalized film is continuous zigzag; Behind the capacitor body coiling and molding; The both ends of the surface of capacitor all save as the little hole of many zigzags, have improved the contact area of metal layer on gilding layer and the metalized film, have increased the adhesive force of gilding layer and capacitor end surface; Because of gilding layer contact with capacitor body firm, thereby make capacitor have the ability of anti-repeatedly heavy current impact.
Description of drawings
Fig. 1 is the structural representation of the utility model capacitor body.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the utility model.
As shown in Figure 1, capacitor body is made up of two strip metal films 1,2, and two parallel metal layers that do not communicate 3,4 and 5,6 are respectively arranged on the metallized film 1,2.Stay the width in border area through the blank of adjusting two strip metal layers and two no metals, metal layer lap on the two strip metal films has formed three capacitors in series structures that wait capacity.
Edge near metal layer 4 and 5 on the said metallized film 1,2 is continuous zigzag 7, and the edge of no metal layer is a straight line, and two metallized films 1,2 can not align, and a segment distance need stagger.
No matter the utility model capacitor is that short circuit discharges and recharges (anti-heavy current impact), or proof voltage, all is much better than common shunt capacitor and inner two-in-series capacitor, can be applied in reliably in the high-frequency circuits such as electric ballast, electricity-saving lamp.
Claims (2)
1. tandem thin-film capacitor; Its capacitor body is formed by the identical superimposed coiling of metallized film of two strip metal layer structure; It is characterized in that: single face is coated with the parallel metal layer that does not communicate of two certain widths on the said metallized film, and the blank that a side longitudinally is provided with certain width is stayed the limit.
2. a kind of three tandem thin-film capacitors according to claim 1 is characterized in that: staying relative metal layer edge, limit with blank on the said metallized film is continuous zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202339002U CN202120761U (en) | 2011-07-05 | 2011-07-05 | Three-series-connection film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202339002U CN202120761U (en) | 2011-07-05 | 2011-07-05 | Three-series-connection film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202120761U true CN202120761U (en) | 2012-01-18 |
Family
ID=45461805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202339002U Expired - Fee Related CN202120761U (en) | 2011-07-05 | 2011-07-05 | Three-series-connection film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202120761U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496462A (en) * | 2011-11-29 | 2012-06-13 | 安徽赛福电子有限公司 | Three-tandem zigzag film capacitor |
| CN109003818A (en) * | 2018-08-13 | 2018-12-14 | 安徽长容电子有限公司 | A kind of capacitor composition metal film |
-
2011
- 2011-07-05 CN CN2011202339002U patent/CN202120761U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496462A (en) * | 2011-11-29 | 2012-06-13 | 安徽赛福电子有限公司 | Three-tandem zigzag film capacitor |
| CN109003818A (en) * | 2018-08-13 | 2018-12-14 | 安徽长容电子有限公司 | A kind of capacitor composition metal film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20130705 |