CN210223783U - Capacitor film easy to dissipate heat - Google Patents
Capacitor film easy to dissipate heat Download PDFInfo
- Publication number
- CN210223783U CN210223783U CN201921414663.2U CN201921414663U CN210223783U CN 210223783 U CN210223783 U CN 210223783U CN 201921414663 U CN201921414663 U CN 201921414663U CN 210223783 U CN210223783 U CN 210223783U
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- protective layer
- layer
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Abstract
The utility model discloses an easy heat dissipation type capacitor film, it has the high and easy radiating advantage of safety protection nature, and its technical scheme main points are easy heat dissipation type capacitor film, including basic unit and the metal coating of arranging the basic unit upper surface in, its characterized in that: the upper surface of metallic coating still the coincide has the protective layer, and the basic unit is including being located the whitening area on the metallic coating both sides, and the whitening area is a book structure and coincide on the upper surface of protective layer, still is equipped with the silica gel layer on the upper surface of protective layer, and the silica gel layer is including arranging in both sides and reserving the main part between the whitening area and arranging in both sides and reserving the epitaxial portion of whitening area surface, the utility model is suitable for a capacitor film technical field.
Description
Technical Field
The utility model belongs to the technical field of capacitor film, refer in particular to an easy heat dissipation type capacitor film.
Background
The capacitor film in the current market is generally a composite structure of the plastic film and the metal coating, but with the rapid development of the electronic information industry and the power industry, higher requirements are put forward on the comprehensive performance of the capacitor film, and with the lengthening of the working time, the internal temperature rises rapidly, which causes the stability of the capacitor to be reduced rapidly, even causes the capacitor to lose efficacy, and in addition, the safety explosion-proof performance of the capacitor film needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an easy heat dissipation type capacitor film, it has the high and easy radiating advantage of safety protection nature.
The purpose of the utility model is realized like this: the utility model provides an easy heat dissipation type capacitor film, includes the basic unit and arranges the metal coating on basic unit upper surface in which characterized in that: the upper surface of metallic coating still the coincide has the protective layer, and the basic unit is including being located the metal coating both sides and keeping white the district, and it is the flip structure and coincide on the upper surface of protective layer to keep white the district, still is equipped with the silica gel layer on the upper surface of protective layer, and the silica gel layer is including arranging in both sides and keeping the main part between the white district and arranging in both sides and keeping the epitaxial part of white district surface.
By adopting the technical scheme, the metal coating can be plated on the upper surface of the base layer in an evaporation mode, then the protective layer is laminated on the upper surface of the metal coating, the two sides of the base layer are provided with non-evaporation white areas, the width of the white areas is larger than that of the protective layer, the white areas can be folded upwards, the white areas are compounded on the two sides of the protective layer in an adhesion or heat seal mode, the anti-puncture performance can be improved through the double-layer protection structure design of the base layer and the protective layer, the safety is improved, and the two sides of the metal coating are of a closed structure through the folding structure arrangement of the white areas, so that the resistance value of the metal coating can be prevented from being influenced due to the; the silica gel layer adopts heat conduction silica gel, coats in the outside in protective layer and white district, then convolutes whole formation film capacitor, and the silica gel layer has the high thermal conductivity, can improve holistic heat dispersion, and has good electrical insulation.
The utility model discloses further set up to: the lower surface of protective layer is equipped with the enhancement layer, is equipped with a plurality of through-holes on the enhancement layer, and the through-hole forms the oil storage chamber at the protective layer lower surface, and the oil storage intracavity is filled there is insulating oil.
By adopting the technical scheme, in actual production, the reinforcing layer needs to be punched in advance, then is adhered or thermally sealed on the protective layer, and the surface of the reinforcing layer is coated with insulating oil; because the actual aperture of the latticed through holes is smaller and is less than 2mm, the insulating oil is easily adsorbed in the oil storage cavity, the structural strength of the protective layer can be improved by the reinforcing layer, and meanwhile, the temperature rise rate in the capacitor film can be reduced and the breakdown resistance can be improved by the insulating oil.
The utility model discloses further set up to: the base layer and the reinforcing layer are both made of polypropylene.
By adopting the technical scheme, the polypropylene material has stable physical properties, excellent mechanical strength and excellent electrical insulation performance.
The utility model discloses further set up to: the protective layer is made of polyether-ether-ketone.
By adopting the technical scheme, the polyetheretherketone material has good high temperature resistance and electrical insulation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
the reference numbers in the figures are: 1. a base layer; 2. a metal plating layer; 3. a protective layer; 4. a white region is left; 5. a silica gel layer; 6. a main body portion; 7. an extension portion; 8. a reinforcing layer; 9. an oil storage chamber.
Detailed Description
The invention will be further described in the following with specific embodiments in conjunction with the drawings, see fig. 1:
the utility model provides an easy heat dissipation type capacitor film, includes basic unit 1 and arranges metal coating 2 on basic unit 1 upper surface in, its characterized in that: the upper surface of metallic coating 2 has still the coincide to have protective layer 3, and basic unit 1 is including being located the white district 4 of staying on metallic coating 2 both sides, and the white district 4 of staying is a flip structure and coincide on the upper surface of protective layer 3, still is equipped with silica gel layer 5 on the upper surface of protective layer 3, and silica gel layer 5 is including arranging in both sides and staying main part 6 between the white district 4 and arranging in both sides and staying the extension portion 7 of white district 4 surface.
By adopting the technical scheme, the metal coating 2 can be plated on the upper surface of the base layer 1 in an evaporation plating mode, then the protective layer 3 is superposed on the upper surface of the metal coating 2, the two sides of the base layer 1 are provided with the non-evaporation white areas 4, and the width of the white areas is larger than that of the protective layer 3, so that the white areas 4 can be folded upwards, the white areas 4 are compounded on the two sides of the protective layer 3 in an adhesion or heat seal mode, the anti-puncture performance can be improved through the double-layer protection structure design of the base layer 1 and the protective layer 3, the safety is improved, and the two sides of the metal coating 2 are in a closed structure through the folding structure arrangement of the white areas 4, and the resistance value of the metal coating 2 can be prevented from; silica gel layer 5 adopts heat conduction silica gel, coats in protective layer 3 and the outside of leaving white district 4, then convolutes to whole and forms film capacitor, and silica gel layer 5 has the high thermal conductivity, can improve holistic heat dispersion, and has good electrical insulation.
The utility model discloses further set up to: the lower surface of protective layer 3 is equipped with enhancement layer 8, is equipped with a plurality of through-holes on the enhancement layer 8, and the through-hole forms oil storage chamber 9 at the protective layer 3 lower surface, and the intussuseption of oil storage chamber 9 is filled with insulating oil.
By adopting the technical scheme, in actual production, the reinforcing layer 8 needs to be punched in advance, then is adhered or thermally sealed on the protective layer 3, and the surface of the reinforcing layer 8 is coated with insulating oil; because the actual aperture of the latticed through holes is smaller and is less than 2mm, the insulating oil is easily absorbed in the oil storage cavity 9, the reinforcing layer 8 can increase the structural strength of the protective layer 3, and meanwhile, the insulating oil can reduce the temperature rise rate in the capacitor film and improve the breakdown resistance.
The utility model discloses further set up to: the base layer 1 and the reinforcing layer 8 are both made of polypropylene.
By adopting the technical scheme, the polypropylene material has stable physical properties, excellent mechanical strength and excellent electrical insulation performance.
The utility model discloses further set up to: the protective layer 3 is made of polyether-ether-ketone.
By adopting the technical scheme, the polyetheretherketone material has good high temperature resistance and electrical insulation.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (4)
1. An easy heat dissipation type capacitor film, includes basic unit (1) and places metal coating (2) on basic unit (1) upper surface in, its characterized in that: the upper surface of metallic coating (2) still the coincide has protective layer (3), and basic unit (1) is including lieing in metallic coating (2) both sides on staying white district (4), stays white district (4) and is a flip structure and coincide on the upper surface of protective layer (3), still is equipped with silica gel layer (5) on the upper surface of protective layer (3), and silica gel layer (5) are including arranging in both sides and stay main part (6) between white district (4) and arrange in both sides and stay epitaxial portion (7) of white district (4) surface.
2. A heat dissipating capacitor film as recited in claim 1, wherein: the lower surface of protective layer (3) is equipped with enhancement layer (8), is equipped with a plurality of through-holes on enhancement layer (8), and the through-hole forms oil storage chamber (9) at protective layer (3) lower surface, and oil storage chamber (9) intussuseption is filled with insulating oil.
3. A heat dissipating capacitor film as recited in claim 1, wherein: the base layer (1) and the reinforcing layer (8) are both made of polypropylene.
4. A heat dissipating capacitor film as recited in claim 1, wherein: the protective layer (3) is made of polyether-ether-ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414663.2U CN210223783U (en) | 2019-08-28 | 2019-08-28 | Capacitor film easy to dissipate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921414663.2U CN210223783U (en) | 2019-08-28 | 2019-08-28 | Capacitor film easy to dissipate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223783U true CN210223783U (en) | 2020-03-31 |
Family
ID=69920536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921414663.2U Expired - Fee Related CN210223783U (en) | 2019-08-28 | 2019-08-28 | Capacitor film easy to dissipate heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223783U (en) |
-
2019
- 2019-08-28 CN CN201921414663.2U patent/CN210223783U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210828 |