CN210073624U - Rapid heat dissipation type capacitor film - Google Patents
Rapid heat dissipation type capacitor film Download PDFInfo
- Publication number
- CN210073624U CN210073624U CN201921414673.6U CN201921414673U CN210073624U CN 210073624 U CN210073624 U CN 210073624U CN 201921414673 U CN201921414673 U CN 201921414673U CN 210073624 U CN210073624 U CN 210073624U
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- Prior art keywords
- film
- metal coating
- base film
- graphite
- heat dissipation
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- Expired - Fee Related
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Abstract
The utility model discloses a quick heat dissipation type capacitor film, it has the security good, dispels the heat fast advantage, and its technical scheme main points are quick heat dissipation type capacitor film, including looks coincide's last base film and lower base film, be equipped with first metal coating on the lower surface of going up the base film, be equipped with second metal coating on the lower surface of lower base film, be equipped with the alligatoring membrane that soaks insulating oil in advance between first metal coating and the second metal coating and handle, first graphite fin is still established to the upper surface of last base layer, and the lower surface of lower base film still is equipped with second graphite fin, 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 a quick 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 a quick heat dissipation type condenser film, it has the security good, dispels the heat fast advantage.
The purpose of the utility model is realized like this: a fast heat dissipation type capacitor film is characterized in that: including last base film and the lower base film of coincide mutually, be equipped with first metal coating on the lower surface of going up the base film, be equipped with the second metal coating on the lower surface of lower base film, be equipped with the alligatoring membrane that soaks insulating oil in advance between first metal coating and the second metal coating and handle, first graphite fin is still established to the upper surface of last base film, and the lower surface of lower base film still is equipped with second graphite fin.
By adopting the technical scheme, the first metal coating and the second metal coating are respectively evaporated on the upper base layer and the lower base layer in an evaporation mode, and the coarsening film plays a role in insulating and blocking the first metal coating and the second metal coating; meanwhile, as the roughening film is selected, the surface of the roughening film is rough, after the roughening film is soaked in insulating oil in advance, the surface can adsorb the insulating oil, and then the roughening film is placed between the first metal coating and the second metal coating, the insulating oil can further improve the insulativity, and when the temperature of the interior of the roughening film rises, the insulating oil can adsorb partial heat, so that the temperature rising rate of the interior of the roughening film is reduced, and the first metal coating and the second metal coating are protected; the first graphite radiating fins are bonded on the upper base layer, the second graphite radiating fins are bonded on the lower base layer, and the first graphite radiating fins and the second graphite radiating fins are made of heat-conducting graphite sheets, are good heat-conducting radiating materials and play a role in accelerating heat dissipation.
The utility model discloses further set up to: a plurality of radiating grooves are formed in the first graphite radiating fin and the second graphite radiating fin, and one side of each radiating groove is of an opening structure.
By adopting the technical scheme, one side of the heat dissipation groove is of an open structure, namely one side of the heat dissipation groove is a side edge penetrating through the first graphite heat dissipation sheet or the second graphite heat dissipation sheet, when the capacitor film is wound, the first graphite heat dissipation sheet and the second graphite heat dissipation sheet can be overlapped, and after the heat dissipation groove is wound, gaps which are directly communicated with the outside can be formed inside the first graphite heat dissipation sheet and the second graphite heat dissipation sheet, so that the heat dissipation speed of the first graphite heat dissipation sheet and the second graphite heat dissipation sheet is improved.
The utility model discloses further set up to: the lower surface of the upper base film is provided with a first blank region arranged on two sides of the first metal coating, the upper surface of the lower base film is provided with a second blank region arranged on two sides of the second metal coating, and heat-conducting silica gel is arranged between the first blank region and the second blank region.
By adopting the technical scheme, the heat-conducting silica gel has a bonding and sealing effect between the first white remaining area and the second white remaining area, so that the resistance value of the metal coating layer can be prevented from being influenced by the entering of external moisture; meanwhile, the heat conducting silica gel has good heat conductivity, so that the internal heat of the capacitor film can be conveniently dissipated to two sides, and the heat dissipation performance is improved.
The utility model discloses further set up to: the upper base film, the lower base film and the coarsening film are all made of polypropylene.
By adopting the technical scheme, the polypropylene film has the advantages of high tensile strength, good insulativity and the like, and is suitable for the product.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic top view of a first graphite heat sink in the present invention;
the reference numbers in the figures are: 1. coating a base film; 2. lower basal membrane; 3. a first metal plating layer; 4. a second metal plating layer; 5. roughening the film; 6. a first graphite heat sink; 7. a second graphite heat sink; 8. a heat sink; 9. thermally conductive silicone.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:
a fast heat dissipation type capacitor film is characterized in that: including upper basal membrane 1 and lower basal membrane 2 of coincide mutually, be equipped with first metal coating 3 on the lower surface of upper basal membrane 1, be equipped with second metal coating 4 on the lower surface of lower basal membrane 2, be equipped with the alligatoring membrane 5 that soaks insulating oil in advance between first metal coating 3 and the second metal coating 4, first graphite fin 6 is still established to the upper surface of upper basal membrane, and the lower surface of lower basal membrane 2 still is equipped with second graphite fin 7.
By adopting the technical scheme, the first metal coating 3 and the second metal coating 4 are respectively evaporated on the upper base layer and the lower base layer in an evaporation mode, and the coarsening film 5 plays a role in insulating and blocking the first metal coating 3 and the second metal coating 4; meanwhile, as the roughening film 5 is selected, the surface of the roughening film is rough, after the roughening film is soaked with insulating oil in advance, the insulating oil can be adsorbed on the surface and then placed between the first metal coating 3 and the second metal coating 4, the insulating oil can further improve the insulativity, and when the temperature of the interior of the roughening film rises, the insulating oil can adsorb partial heat, reduce the temperature rising rate of the interior of the roughening film, and play a role in protecting the first metal coating 3 and the second metal coating 4; first graphite fin 6 bonds on upper basic unit, and second graphite fin 7 bonds on lower basic unit, and first graphite fin 6 and second graphite fin 7 adopt heat conduction graphite flake material, are a good heat conduction heat dissipation material, play the effect of accelerating the heat dissipation.
The utility model discloses further set up to: the first graphite radiating fin 6 and the second graphite radiating fin 7 are both provided with a plurality of radiating grooves 8, and one sides of the radiating grooves 8 are of opening structures.
Through adopting above-mentioned technical scheme, one side of radiating groove 8 is open structure, means that one of them side of radiating groove 8 is the side that runs through first graphite fin 6 or second graphite fin 7, after the coiling of capacitor film, first graphite fin 6 and second graphite fin 7 can coincide mutually, and radiating groove 8 makes the back of coiling, and first graphite fin 6 and the inside clearance that can form directly and outside switch on of second graphite fin 7 are convenient for improve the radiating rate of first graphite fin 6 and second graphite fin 7.
The utility model discloses further set up to: the lower surface of the upper base film 1 is provided with a first blank region arranged on two sides of the first metal coating 3, the upper surface of the lower base film 2 is provided with a second blank region arranged on two sides of the second metal coating 4, and heat-conducting silica gel 9 is arranged between the first blank region and the second blank region.
By adopting the technical scheme, the heat-conducting silica gel 9 plays a role in bonding and sealing the first white region and the second white region, so that the resistance value of the metal coating layer can be prevented from being influenced by the entering of external moisture; meanwhile, the heat conducting silica gel 9 has good heat conductivity, so that the internal heat of the capacitor film can be conveniently dissipated to two sides, and the heat dissipation performance is improved.
The utility model discloses further set up to: the upper base film 1, the lower base film 2 and the coarsening film 5 are all made of polypropylene.
By adopting the technical scheme, the polypropylene film has the advantages of high tensile strength, good insulativity and the like, and is suitable for the product.
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. A fast heat dissipation type capacitor film is characterized in that: including last base film (1) and lower base film (2) of coincide mutually, be equipped with first metal coating (3) on the lower surface of going up base film (1), be equipped with second metal coating (4) on the lower surface of lower base film (2), be equipped with between first metal coating (3) and second metal coating (4) and soak coarsening membrane (5) that insulating oil was handled in advance, first graphite fin (6) are still established to the upper surface of going up the base layer, and the lower surface of lower base film (2) still is equipped with second graphite fin (7).
2. A rapid thermal dissipation capacitor film as recited in claim 1, wherein: a plurality of radiating grooves (8) are formed in the first graphite radiating fin (6) and the second graphite radiating fin (7), and one side of each radiating groove (8) is of an opening structure.
3. A rapid thermal dissipation capacitor film as recited in claim 2, wherein: go up the lower surface of base film (1) and be equipped with the first whitewashed district that leaves of arranging first metal coating (3) both sides in, be equipped with the second that arranges second metal coating (4) both sides in on the upper surface of lower base film (2) and leave whitewashed district, first whitewashed district and second are left and are equipped with heat conduction silica gel (9) between the whitewashed district.
4. A rapid thermal dissipation capacitor film as recited in claim 1, wherein: the upper base film (1), the lower base film (2) and the coarsening film (5) are all made of polypropylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921414673.6U CN210073624U (en) | 2019-08-28 | 2019-08-28 | Rapid heat dissipation type capacitor film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921414673.6U CN210073624U (en) | 2019-08-28 | 2019-08-28 | Rapid heat dissipation type capacitor film |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210073624U true CN210073624U (en) | 2020-02-14 |
Family
ID=69431356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921414673.6U Expired - Fee Related CN210073624U (en) | 2019-08-28 | 2019-08-28 | Rapid heat dissipation type capacitor film |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210073624U (en) |
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2019
- 2019-08-28 CN CN201921414673.6U patent/CN210073624U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200214 Termination date: 20210828 |
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CF01 | Termination of patent right due to non-payment of annual fee |