CN213400886U - Capacitor is with interior limit metallized film that leaves - Google Patents
Capacitor is with interior limit metallized film that leaves Download PDFInfo
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- CN213400886U CN213400886U CN202022817766.2U CN202022817766U CN213400886U CN 213400886 U CN213400886 U CN 213400886U CN 202022817766 U CN202022817766 U CN 202022817766U CN 213400886 U CN213400886 U CN 213400886U
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- metal evaporation
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- evaporation coating
- metallized film
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Abstract
The utility model provides a capacitor is with interior limit metallized film that leaves relates to metallized film technical field, including the substrate layer, substrate layer one side both ends are equipped with first metal evaporation coating and second metal evaporation coating along the edge, and the mid portion of substrate layer one side is equipped with third metal evaporation coating, and the both sides of third metal evaporation coating and first metal evaporation coating and second metal evaporation coating interval set up, are formed with interior limit portion; the edge is followed at the another side both ends of substrate layer and is equipped with fourth metal and evaporate cladding material and fifth metal and evaporate the cladding material, and the mid portion of substrate layer another side is equipped with sixth metal and evaporates the cladding material, and the both sides and the fourth metal that the cladding material was evaporated to the sixth metal evaporate cladding material and the fifth metal evaporates cladding material interval setting, are formed with interior limit portion that stays. The utility model discloses a stay the limit in the both ends increase of two surfaces of substrate layer, prevent that moisture from getting into, improve metallized film's waterproof nature, avoid the condenser inefficacy or damage.
Description
Technical Field
The utility model belongs to the technical field of the metallized film technique and specifically relates to a condenser is with interior limit metallized film that stays.
Background
In the field of capacitors, metallized films are an indispensable accessory as a conductive bridge. At present, in the manufacturing process of a capacitor, a common inviscid gasket is pasted at the bottom of an aluminum shell of the capacitor, then a sleeve is sleeved on the outer side of the aluminum shell, and the inviscid gasket is fixed through the sleeve. The existing method has poor water resistance, and in order to avoid the failure or damage of the capacitor, the water resistance of the metallized film is considered during the design.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a condenser is with interior limit metallized film that stays.
The utility model discloses specifically adopt following technical scheme to realize:
an inner margin metallized film for a capacitor comprises a substrate layer,
a first metal evaporation layer and a second metal evaporation layer are arranged at two ends of one side face of the base material layer along the edge, a third metal evaporation layer is arranged in the middle of one side face of the base material layer, two sides of the third metal evaporation layer are arranged at intervals with the first metal evaporation layer and the second metal evaporation layer, and an inner edge part is formed;
the edge of two ends of the other side face of the substrate layer is provided with a fourth metal evaporation layer and a fifth metal evaporation layer, the middle part of the other side face of the substrate layer is provided with a sixth metal evaporation layer, two sides of the sixth metal evaporation layer are arranged at intervals with the fourth metal evaporation layer and the fifth metal evaporation layer to form an inner edge-remaining part;
and the surfaces of the first metal evaporation coating, the second metal evaporation coating, the third metal evaporation coating, the fourth metal evaporation coating, the fifth metal evaporation coating, the sixth metal evaporation coating and the inner edge part are coated with anti-oxidation layers.
Preferably, the margin of the inner margin part is 2.5-4 mm.
Preferably, the widths of the first metal evaporation layer, the second metal evaporation layer, the fourth metal evaporation layer and the fifth metal evaporation layer are equal to each other, and are greater than the width of the edge retaining portion and smaller than the widths of the third metal evaporation layer and the sixth metal evaporation layer.
Preferably, the anti-oxidation layer is made of dimethyl siloxane and has a thickness of 2-3 nm.
The utility model provides an interior limit metallized film that stays for capacitor, its beneficial effect lies in: keep the limit in increasing through the both ends at two surfaces of substrate layer, prevent that moisture from getting into, improve metallized film's waterproof nature, avoid the condenser inefficacy or damage.
Drawings
FIG. 1 is a schematic cross-sectional view of a metallized film with an inner margin for a capacitor according to the present invention;
fig. 2 is a plan view of the inner margin metallized film for a capacitor according to the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
As shown in fig. 1 and 2, the metallized film for the inner margin of the capacitor provided by this embodiment includes a substrate layer 1,
a first metal evaporation coating layer 2 and a second metal evaporation coating layer 3 are arranged at two ends of one side face of the base material layer 1 along the edge, a third metal evaporation coating layer 4 is arranged in the middle of one side face of the base material layer 1, two sides of the third metal evaporation coating layer 4 are arranged at intervals with the first metal evaporation coating layer 2 and the second metal evaporation coating layer 3, and an inner edge-remaining part 5 is formed;
a fourth metal evaporation layer 6 and a fifth metal evaporation layer 7 are arranged at two ends of the other side face of the substrate layer 1 along the edge, a sixth metal evaporation layer 8 is arranged in the middle of the other side face of the substrate layer 1, two sides of the sixth metal evaporation layer 8 are arranged at intervals with the fourth metal evaporation layer 6 and the fifth metal evaporation layer 7, and an inner edge-remaining portion 5 is formed;
the surfaces of the first metal evaporation coating layer 2, the second metal evaporation coating layer 3, the third metal evaporation coating layer 4, the fourth metal evaporation coating layer 6, the fifth metal evaporation coating layer 7, the sixth metal evaporation coating layer 8 and the inner edge part 5 are coated with an anti-oxidation layer 9.
The edge retaining amount of the inner edge retaining part 6 is 2.5-4 mm, the widths of the first metal evaporation coating 2 layer, the second metal evaporation coating 3, the fourth metal evaporation coating 6 and the fifth metal evaporation coating 7 are equal, and the widths of the inner edge retaining part are larger than the width of the edge retaining part 5 and smaller than the widths of the third metal evaporation coating 4 and the sixth metal evaporation coating 8.
The anti-oxidation layer 9 is made of dimethyl siloxane and has a thickness of 2-3 nm.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The metallized film with the inner margin for the capacitor is characterized by comprising a substrate layer,
a first metal evaporation layer and a second metal evaporation layer are arranged at two ends of one side face of the base material layer along the edge, a third metal evaporation layer is arranged in the middle of one side face of the base material layer, two sides of the third metal evaporation layer are arranged at intervals with the first metal evaporation layer and the second metal evaporation layer, and an inner edge part is formed;
the edge of two ends of the other side face of the substrate layer is provided with a fourth metal evaporation layer and a fifth metal evaporation layer, the middle part of the other side face of the substrate layer is provided with a sixth metal evaporation layer, two sides of the sixth metal evaporation layer are arranged at intervals with the fourth metal evaporation layer and the fifth metal evaporation layer to form an inner edge-remaining part;
and the surfaces of the first metal evaporation coating, the second metal evaporation coating, the third metal evaporation coating, the fourth metal evaporation coating, the fifth metal evaporation coating, the sixth metal evaporation coating and the inner edge part are coated with anti-oxidation layers.
2. An inner margin metallized film for capacitors as claimed in claim 1, wherein: the edge retaining amount of the inner edge retaining part is 2.5-4 mm.
3. An inner margin metallized film for capacitors as claimed in claim 2, wherein: the width of first metal evaporation coating, second metal evaporation coating, fourth metal evaporation coating and fifth metal evaporation coating equals, and is greater than the width of remaining limit portion is less than the width of third metal evaporation coating and sixth metal evaporation coating.
4. An inner margin metallized film for capacitors as claimed in any one of claims 1 to 3, wherein: the anti-oxidation layer is made of dimethyl siloxane and is 2-3 nm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817766.2U CN213400886U (en) | 2020-11-30 | 2020-11-30 | Capacitor is with interior limit metallized film that leaves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022817766.2U CN213400886U (en) | 2020-11-30 | 2020-11-30 | Capacitor is with interior limit metallized film that leaves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400886U true CN213400886U (en) | 2021-06-08 |
Family
ID=76195949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022817766.2U Active CN213400886U (en) | 2020-11-30 | 2020-11-30 | Capacitor is with interior limit metallized film that leaves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400886U (en) |
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2020
- 2020-11-30 CN CN202022817766.2U patent/CN213400886U/en active Active
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