CN208315387U - A kind of capacitor waterproof gasket - Google Patents
A kind of capacitor waterproof gasket Download PDFInfo
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- CN208315387U CN208315387U CN201820511869.6U CN201820511869U CN208315387U CN 208315387 U CN208315387 U CN 208315387U CN 201820511869 U CN201820511869 U CN 201820511869U CN 208315387 U CN208315387 U CN 208315387U
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- waterproof gasket
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Abstract
The utility model provides a kind of capacitor waterproof gasket, and the waterproof gasket includes basal layer and waterproof layer, and the basal layer is plastic layer, and the waterproof layer is adhesive layer；The basal layer is pet layer, PBT layers, one or more layers in PC layers and PPS layers；The adhesive layer is one or more layers in layer of polyurethane, epoxy resin layer, silicone layer and modified PVA layer.The capacitor waterproof gasket of the utility model, with preferable waterproof and insulate effect.
Description
Technical field
The utility model relates to capacitor area more particularly to a kind of capacitor waterproof gaskets.
Background technique
Currently, first pasting common inviscid gasket in aluminium shell of capacitor body bottom, so in waterproof capacitor manufacturing process
Casing is sheathed on to the outside of aluminum enclosure afterwards, is fixed inviscid gasket by casing.Existing this mode water resistance is poor,
The gap that water is easy between casing and gasket enters capacitor internal, to cause capacitor failure or damage.
Therefore, it is necessary to provide a kind of new technical solution.
Utility model content
In order to overcome the defects of the prior art described above, the utility model provides a kind of capacitor waterproof gasket, have compared with
Good waterproof and insulate effect.
In order to achieve the above objectives, a kind of capacitor waterproof gasket of the utility model, the waterproof gasket include basal layer
And waterproof layer,
The basal layer is plastic layer, and the waterproof layer is adhesive layer；
The basal layer is pet layer, PBT layers, one or more layers in PC layers and PPS layers；
The adhesive layer is one or more layers in layer of polyurethane, epoxy resin layer, silicone layer and modified PVA layer.
Further, the adhesive layer includes the first binding part and the second binding part, and second binding part protrudes from institute
State the first binding part.
Further, the basal layer includes the first sticking part and the second sticking part, and second sticking part protrudes from institute
State the first sticking part, first binding part fitting corresponding with first sticking part, second binding part and described the
The corresponding fitting of two sticking parts.
Further, the waterproof gasket with a thickness of 0.1-0.5mm.
Further, the waterproof gasket with a thickness of 0.2mm.
Further, the thickness of the basal layer is greater than the thickness of the adhesive layer.
Further, it is 0.1-0.5mm that second sticking part, which protrudes from the height of first sticking part,.
Further, the thickness of second binding part is greater than the thickness of first binding part.
Compared with prior art, the utility model has the advantages that
The capacitor waterproof gasket of the utility model puts the capacitor of the waterproof gasket using the utility model in water
Impregnated for 1 week, peel off casing gasket, detection capacitor aluminum hull does not have liquid intrusion, meets IP54 class requirement, waterproof effect compared with
It is good；And compared with the capacitor not soaked, slightly risen using leakage current after the capacitor immersion of the utility model water-tight device,
But still 2500VAC pressure resistance can be born, 1min is kept, capacitive insulation effect is preferable.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.Wherein:
Fig. 1 is the structural schematic diagram of the capacitor water-tight device of the utility model；
Fig. 2 is the structural schematic diagram of the waterproof gasket of the utility model in one embodiment；
Fig. 3 is the structural schematic diagram of the waterproof gasket of the utility model in another embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the utility model
A particular feature, structure, or characteristic in formula." in one embodiment " that different places occur in the present specification not refers both to
The same embodiment, nor the individual or selective embodiment mutually exclusive with other embodiments.
Referring to Fig. 1, it is the structural schematic diagram of capacitor water-tight device.As shown in Figure 1, the water-tight device includes set
Pipe 1, the first gasket 2 and the second gasket 3.Described sleeve pipe 1 is sheathed on 4 outside of capacitor casing, accommodates in the capacitor casing 4
There is electronic component, the capacitor casing 4 is aluminum enclosure.
Described sleeve pipe 1 includes cylindrical portion 11 and bound edge portion 12, and the cylindrical portion 11 and bound edge portion 12 are wholely set, the packet
Edge 12 is located at one end of cylindrical portion 11, and radially-inwardly shrinks from one end edge of cylindrical portion 11 along cylindrical portion 11,
The cylindrical portion 11 is coated on the periphery of capacitor casing 4, and the bound edge portion 12 is coated on the capacitor casing 4
Bottom；
First gasket 2 is located at the bottom of the capacitor casing 4, and is located at the inside in the bound edge portion 12；
Second gasket 3 is located at the bottom of the capacitor casing, and is located at the outside in the bound edge portion 12.
Preferably, second gasket 3 is waterproof gasket.
The bound edge portion 12 is coated on the bottom of capacitor casing 4 close to edge, and second gasket 3 fits in simultaneously
The outside of first gasket 2 and bound edge portion 12 prevents water from passing through between the second gasket 3 and bound edge portion 12 and the first gasket 2
Gap enters in capacitor.
The size of second gasket 3 matches with the bottom size of capacitor casing 4.
Second gasket 3 with a thickness of 0.1-0.5mm, it is preferable that it is described second pad 3 with a thickness of 0.2mm.
The thickness of second gasket 3 is greater than the thickness of first gasket 2.
Referring to Fig. 2, it is the structural schematic diagram of the waterproof gasket of the utility model in one embodiment.Such as Fig. 2 institute
Show, the waterproof gasket 3 includes basal layer 31 and waterproof layer 32.The basal layer 31 is plastic layer, and the waterproof layer 32 is viscous
Tie layer.
The basal layer 31 is pet layer, PBT layers, one or more layers in PC layers and PPS layers.The basal layer of the material has
There is the features such as high temperature resistant, high reliability, can satisfy such as 105 ° of capacitor high temperature and the life requirements of 5000h.
The adhesive layer 32 is one or more layers in layer of polyurethane, epoxy resin layer, silicone layer and modified PVA layer.
The adhesive layer of the utility model has the characteristics that waterproof, heat-resisting and light shine.
The basal layer 31 includes the first sticking part 311 and the second sticking part 312, and second sticking part 312 protrudes from
First sticking part 311.
The adhesive layer 32 includes the first binding part 321 and the second binding part 322, and second binding part 322 protrudes from
First binding part 321, first binding part 321 fitting corresponding with first sticking part 311, second bonding
The fitting corresponding with second sticking part 312 of portion 322.
Second sticking part 312 outstanding can match with the first gasket 2 and be bonded, to greatly improve the waterproof of capacitor
Performance.
The waterproof gasket 3 with a thickness of 0.1-0.5mm.Preferably, the waterproof gasket 3 with a thickness of 0.2mm.
The thickness of the basal layer 31 is greater than the thickness of the adhesive layer 32.
The height that second sticking part 312 protrudes from first sticking part 311 is 0.1-0.5mm.
By being learnt to the test of capacitor water proof and dust proof.It can satisfy using the monomer capacitor of the utility model waterproof gasket
To the requirement of water proof and dust proof test in UL61800, that is, water and dirt allow casing and bottom plate used in hand capacity outside after testing
Equal insulating materials, but cannot enter to touch capacitor ontology by the gap between they or they.
Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the waterproof gasket of the utility model in another embodiment.Such as Fig. 3
Shown, the waterproof gasket includes basal layer 33 and waterproof layer 34.The basal layer 33 is plastic layer, and the waterproof layer 34 is viscous
Tie layer.
The basal layer 33 is pet layer, PBT layers, one or more layers in PC layers and PPS layers.The basal layer of the material has
There is the features such as high temperature resistant, high reliability, can satisfy such as 105 ° of capacitor high temperature and the life requirements of 5000h.
The adhesive layer 34 is one or more layers in layer of polyurethane, epoxy resin layer, silicone layer and modified PVA layer.
The adhesive layer of the utility model has the characteristics that waterproof, heat-resisting and light shine.
The adhesive layer 34 includes the first binding part 341 and the second binding part 342, and second binding part 342 protrudes from
First binding part 341.
The thickness of second binding part is greater than the thickness of first binding part, by the way that under external force, second is bonded
Portion can be fitted closely with the first gasket.
The waterproof gasket with a thickness of 0.1-0.5mm.Preferably, the waterproof gasket with a thickness of 0.2mm.
The thickness of the basal layer is greater than the thickness of the adhesive layer.
Submerging test
According to UL508C about water proof and dust proof requirement and judgment criteria: monomer capacitor can satisfy UL508C Clause
To the requirement of water proof and dust proof test in 9.6c), that is, water and dirt allow casing and bottom plate etc. used in hand capacity outside after testing
Insulating materials, but must not be by the gap between they or they into touch capacitor ontology, (ontology is considered as electro-mechanical part
Part).
The capacitor that the water-tight device for using the utility model coats is placed on mass concentration as in 1% sodium chloride solution
Impregnated for 1 week, peel off casing gasket, detection capacitor aluminum hull does not have liquid intrusion, meets IP54 class requirement, waterproof effect compared with
It is good.
Insulation pressure test
Table 1 is please referred to, table 1 is that soaking time is relationship between leakage current in the sodium chloride solution that mass concentration is 1%
Table.
1 soaking time of table relation table between leakage current
As shown in Table 1, it is compared with non-infusion product, impregnates product leakage current and slightly rise, but still it is resistance to bear 2500VAC
Pressure, keeps 1min, and capacitive insulation effect is preferable.
The utility model was impregnated for 1 week by the way that capacitor to be placed in the sodium chloride solution that mass concentration is 1%, peeled off set
Pipe pad piece, detection capacitor aluminum hull do not have liquid intrusion, meet IP54 class requirement, have preferable waterproof effect；And it and does not soak
The capacitor of bubble is compared, and leakage current slightly rises after being impregnated using the capacitor of the utility model water-tight device, but still can bear
2500VAC pressure resistance, keeps 1min, and capacitive insulation effect is preferable.
Above description sufficiently discloses specific embodiment of the present utility model.It should be pointed out that being familiar with the neck
Right of any change that the technical staff in domain does specific embodiment of the present utility model all without departing from the utility model
The range of claim.Correspondingly, the scope of the claims of the utility model is also not limited only to aforementioned specific embodiment party
Formula.
Claims (8)
1. a kind of capacitor waterproof gasket, it is characterised in that: the waterproof gasket includes basal layer and waterproof layer,
The basal layer is plastic layer, and the waterproof layer is adhesive layer；
The basal layer is pet layer, PBT layers, one or more layers in PC layers and PPS layers；
The adhesive layer is one or more layers in layer of polyurethane, epoxy resin layer, silicone layer and modified PVA layer.
2. capacitor waterproof gasket according to claim 1, it is characterised in that:
The adhesive layer includes the first binding part and the second binding part, and second binding part protrudes from first binding part.
3. capacitor waterproof gasket according to claim 2, it is characterised in that:
The basal layer includes the first sticking part and the second sticking part, and second sticking part protrudes from first sticking part,
First binding part fitting corresponding with first sticking part, second binding part are corresponding with second sticking part
Fitting.
4. capacitor waterproof gasket according to claim 1, it is characterised in that:
The waterproof gasket with a thickness of 0.1-0.5mm.
5. capacitor waterproof gasket according to claim 4, it is characterised in that:
The waterproof gasket with a thickness of 0.2mm.
6. capacitor waterproof gasket according to claim 1, it is characterised in that:
The thickness of the basal layer is greater than the thickness of the adhesive layer.
7. capacitor waterproof gasket according to claim 3, it is characterised in that:
The height that second sticking part protrudes from first sticking part is 0.1-0.5mm.
8. capacitor waterproof gasket according to claim 2, it is characterised in that:
The thickness of second binding part is greater than the thickness of first binding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511869.6U CN208315387U (en) | 2018-04-12 | 2018-04-12 | A kind of capacitor waterproof gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820511869.6U CN208315387U (en) | 2018-04-12 | 2018-04-12 | A kind of capacitor waterproof gasket |
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| Publication Number | Publication Date |
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| CN208315387U true CN208315387U (en) | 2019-01-01 |
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| CN201820511869.6U Active CN208315387U (en) | 2018-04-12 | 2018-04-12 | A kind of capacitor waterproof gasket |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666132A (en) * | 2018-04-12 | 2018-10-16 | 南通江海电容器股份有限公司 | A kind of capacitor waterproof gasket |
-
2018
- 2018-04-12 CN CN201820511869.6U patent/CN208315387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666132A (en) * | 2018-04-12 | 2018-10-16 | 南通江海电容器股份有限公司 | A kind of capacitor waterproof gasket |
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