CN217008940U - Metallized safety explosion-proof film - Google Patents
Metallized safety explosion-proof film Download PDFInfo
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- CN217008940U CN217008940U CN202220094552.3U CN202220094552U CN217008940U CN 217008940 U CN217008940 U CN 217008940U CN 202220094552 U CN202220094552 U CN 202220094552U CN 217008940 U CN217008940 U CN 217008940U
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- metal layer
- metallized
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- base film
- fuse
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Abstract
The utility model discloses a metallized safe explosion-proof film which comprises a base film, wherein a metal layer and a blank margin are arranged at the upper end of the base film, an anti-oxidation layer is arranged at the upper end of the metal layer, a heat dissipation layer is arranged at the lower end of the base film, the metal layer is divided into a plurality of metallized grid units through a plurality of flame-retardant insulating tapes in a crossed mode, a fuse is connected between every two adjacent metallized grid units, and the fuse penetrates through the flame-retardant insulating tapes. According to the utility model, the flame-retardant insulating tape, the metalized grid units and the fuse are arranged, the flame-retardant insulating tape divides the metal layer into the metalized grid units, and the metalized grid units are connected through the fuse only, so that the self-healing performance of the metal layer is improved, the working reliability of the capacitor is further improved, the phenomena of explosion and the like are avoided, and the anti-oxidation layer is arranged, so that the contact between the metal layer and air is reduced, and the anti-oxidation capacity of the metal layer is improved.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to a metallized safe explosion-proof film.
Background
The current film capacitor has a manufacturing method called metallized film, which is to vacuum-plate a very thin metal layer on the plastic film as an electrode, so as to save the thickness of the electrode foil and reduce the volume of the capacitor per unit capacity.
The safe explosion-proof metallized film is one of metallized films and is usually used for manufacturing metallized self-healing capacitors, but some existing metallized films often cannot successfully self-heal under many conditions, multiple layers of media adjacent to self-healing points are burnt in the self-healing process to generate continuous self-healing breakdown, and under the high-temperature effect of electric arcs generated by continuous breakdown, local organic medium films are softened to generate a hot melting phenomenon, so that the multiple layers of media are bonded together and generate a large amount of gas along with the electric arcs, the capacitor fails, and the capacitor can explode and catch fire when being serious, so that certain dangerousness is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a metallized safety explosion-proof film.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a metallized safety explosion-proof film, includes the base film, the base film upper end is equipped with metal level and blank and remains the limit, the metal level upper end is equipped with the antioxidation coating, the base film lower extreme is equipped with the heat dissipation layer, divide into a plurality of metallization net units through a plurality of fire-retardant insulating tape cross arrangement on the metal level, be connected with the fuse between two adjacent metallization net units, the fuse runs through the setting of fire-retardant insulating tape.
Preferably, the anti-oxidation layer is a silicone oil coating, and the thickness of the anti-oxidation layer is 0.3mm-0.5 mm.
Preferably, the base film is made of polypropylene material.
Preferably, the heat dissipation layer is a graphene film, and the thickness of the heat dissipation layer is 0.5mm-0.8 mm.
Preferably, the metallized mesh cells are rectangular or rhombus shaped.
The utility model has the following beneficial effects:
1. through setting up fire-retardant insulating tape, metallization net unit and fuse, fire-retardant insulating tape divides the metal level into a plurality of metallization net units to only connect through the fuse between a plurality of metallization net units, thereby improve the self-healing performance of metal level, and then improve the reliability of condenser work, avoid phenomenons such as explosion appearing.
2. By arranging the anti-oxidation layer, the contact between the metal layer and air is reduced, and the oxidation resistance of the metal layer is improved.
3. Through setting up the heat dissipation layer, can be better give off the heat on metal level and the base film, avoid the high explosion that arouses of temperature.
Drawings
FIG. 1 is a schematic structural diagram of a metallized safety explosion-proof film according to the present invention;
fig. 2 is a schematic top view of a metal layer in the metallized safety explosion-proof film according to the present invention.
In the figure: 1 base film, 2 metal layers, 201 flame-retardant insulating tape, 202 metalized grid units, 203 fuses, 3 blank margins, 4 anti-oxidation layers and 5 heat dissipation layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a metallized safety explosion-proof film comprises a base film 1, wherein the base film 1 is made of polypropylene materials, a metal layer 2 and a blank margin 3 are arranged at the upper end of the base film 1, an anti-oxidation layer 4 is arranged at the upper end of the metal layer 2, a heat dissipation layer 5 is arranged at the lower end of the base film 1, the metal layer 2 is divided into a plurality of metallized grid units 202 through a plurality of flame-retardant insulating tapes 201 in a crossed manner, a fuse 203 is connected between every two adjacent metallized grid units 202, and the fuse 203 penetrates through the flame-retardant insulating tapes 201.
The anti-oxidation layer 4 is a silicone oil coating, the thickness of the anti-oxidation layer 4 is 0.3mm-0.5mm, the contact between the metal layer 2 and air can be reduced, and the anti-oxidation capacity of the metal layer 2 is improved.
The heat dissipation layer 5 is a graphene film, the thickness of the heat dissipation layer 5 is 0.5mm-0.8mm, heat on the metal layer 2 and the base film 1 can be well dissipated, and explosion caused by overhigh temperature is avoided.
The metalized mesh cells 202 are rectangular or rhombus shaped.
In the utility model, the anti-oxidation layer 4 is arranged at the upper end of the metal layer 2, and the anti-oxidation layer 4 is a silicone oil coating, which is equivalent to oil sealing on the surface of the metal layer 2, so that the contact between the metal layer 2 and air is reduced, and the anti-oxidation capability of the metal layer 2 is improved, and meanwhile, the heat dissipation layer 5 is arranged at the lower end of the base film 1, so that the heat on the metal layer 2 and the base film 1 can be well dissipated, and the explosion caused by overhigh temperature is avoided;
divide metal level 2 into a plurality of metallization net unit 202 through fire-retardant insulating tape 201 to only connect through fuse 203 between a plurality of metallization net unit 202, thereby improve the self-healing performance of metal level 2, and then improve the reliability of condenser work, avoid phenomenons such as explosion appearing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a metallization safety explosion-proof film, includes base film (1), its characterized in that, base film (1) upper end is equipped with metal level (2) and blank margin (3), metal level (2) upper end is equipped with anti oxidation coating (4), base film (1) lower extreme is equipped with heat dissipation layer (5), be divided into a plurality of metallization net unit (202) through a plurality of fire-retardant insulating tape (201) cross arrangement on metal level (2), be connected with fuse (203) between two adjacent metallization net unit (202), fuse (203) run through fire-retardant insulating tape (201) and set up.
2. A metallized safety implosion protection film according to claim 1, wherein said oxidation preventing layer (4) is a silicone oil coating, and the thickness of said oxidation preventing layer (4) is 0.3mm to 0.5 mm.
3. A metallized safety implosion protection film according to claim 1, characterized in that said base film (1) is made of polypropylene material.
4. A metallized safety implosion protection film according to claim 1, wherein said heat sink layer (5) is a graphene film, said heat sink layer (5) having a thickness of 0.5mm to 0.8 mm.
5. A metallized safety implosion protection film according to claim 1, wherein said metallized grid cells (202) are rectangular or rhombus shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094552.3U CN217008940U (en) | 2022-01-14 | 2022-01-14 | Metallized safety explosion-proof film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220094552.3U CN217008940U (en) | 2022-01-14 | 2022-01-14 | Metallized safety explosion-proof film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008940U true CN217008940U (en) | 2022-07-19 |
Family
ID=82390224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220094552.3U Active CN217008940U (en) | 2022-01-14 | 2022-01-14 | Metallized safety explosion-proof film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217008940U (en) |
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2022
- 2022-01-14 CN CN202220094552.3U patent/CN217008940U/en active Active
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