CN205902321U - Shielding is cotton with electrically conductive bubble - Google Patents
Shielding is cotton with electrically conductive bubble Download PDFInfo
- Publication number
- CN205902321U CN205902321U CN201620875236.4U CN201620875236U CN205902321U CN 205902321 U CN205902321 U CN 205902321U CN 201620875236 U CN201620875236 U CN 201620875236U CN 205902321 U CN205902321 U CN 205902321U
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- conducting foam
- nickel foil
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Abstract
The utility model belongs to the technical field of shielding material, a shielding is cotton with electrically conductive bubble is disclosed, including steeping cotton body and setting up in the nickel foil cloth of the cotton body lower surface of bubble, still be equipped with the tie coat between cotton body of bubble and nickel foil cloth, the tie coat bonds into a body structure with nickel foil cloth and the cotton body of bubble the upper surface that steeps cotton body is equipped with the insulating layer the upper surface of insulating layer is equipped with fire -retardant layer the upper surface on fire -retardant layer is equipped with electrically conductive cloth layer the upper surface on electrically conductive cloth layer is equipped with the viscose layer. The utility model discloses a cotton shielding property who has the excellence of electrically conductive bubble to and thermal -insulated, flame retardant efficiency, the convenient dress that pastes, resistance is little.
Description
Technical field
This utility model belongs to shielding material technical field and in particular to a kind of shielding conducting foam.
Background technology
Shielding is exactly to the isolation entering row metal between two spaces region, to control electric field, magnetic field and electromagnetic wave by one
Individual region is to the sensing in another region and radiation.Specifically it is simply that with shield by component, circuit, molectron, cable or
The interference source of whole system is surrounded, and prevents from disturbing electromagnetic field to external diffusion；Circuit, equipment or system will be accepted with shield
It is surrounded, prevent them from being affected by external electromagnetic field.Conventional shielding material includes conductive rubber shield liner, beryllium copper
Reed shielding gasket, conducting foam, magnetic shield material, shield glass and shielding tape.
Conducting foam is parcel conductive fabric on flame-retardant sponge, so as to have good table after a series of process
Face electric conductivity, can be easy to be fixed on adhesive tape need on shielding device.Conducting foam with compressibility big, be suitable for multiple marks
The accurate advantage configuring, being punched into the aspects such as different shape, low price is widely used.In electronic product, such as electricity
Depending on, lcd display, LCD TV, mobile phone, notebook, mp3, communication cabinet and Medical Instruments etc., in its some internal electronics
After patch last layer conducting foam on part, play conduction, antistatic and the effect reducing electromagnetic radiation, this conducting foam needs tool
There are good flexibility, relatively low impedance and be preferably grounded performance.Conducting foam can be divided into by material: aluminium foil cloth foam,
Conductive fibre fabric foam, gold-plated cloth foam, plating charcoal cloth foam etc..
Existing conducting foam, shows at aspects such as electric conductivity, shieldings poor, does not also have the property such as heat-insulated, fire-retardant
Can, lead to that the conducting foam scope of application is narrower and service life is short, can not meet and match with growing electronic product etc.
The requirement that charge-coupled dress uses.
Content of the invention
The purpose of this utility model is that a kind of shield effectiveness of offer is excellent, has fire-retardant and effect of heat insulation conducting foam.
For reaching above-mentioned purpose, this utility model employs the following technical solutions:
A kind of shielding conducting foam, including foam body and the nickel foil cloth being arranged at foam body lower surface, in foam
It is additionally provided with tack coat, described tack coat will be bonding with foam body for nickel foil cloth into a single integrated structure, in institute between body and nickel foil cloth
The upper surface stating foam body is provided with thermal insulation layer, is provided with flame-retardant layer in the upper surface of described thermal insulation layer, upper in described flame-retardant layer
Surface is provided with conductive layer of cloth, is provided with adhesive-layer in the upper surface of described conduction layer of cloth.
Further, the overall structure thickness of described conducting foam is 4 ~ 8mm.
Further, described foam body is made up of ethylene/vinyl acetate copolymer.
Further, described nickel foil cloth by Kapton and successively plating in the outer surface of Kapton
On copper plate and nickel coating composition.
Further, the thickness of described nickel foil cloth is 20 ~ 50 μm；The thickness of described conduction layer of cloth is 20 ~ 50 μm.
Further, described tack coat is silica gel glue tack coat.
Further, the thickness of described tack coat is 20 ~ 40 μm.
Further, described thermal insulation layer is made up of heat-barrier material, and described flame-retardant layer is made up of fire proofing.
Further, the thickness of described thermal insulation layer is 1 ~ 3mm；The thickness of described flame-retardant layer is 1 ~ 3mm.
Further, described adhesive-layer is conductive adhesive layer or insulation glue-line.
This utility model has the advantages that
1st, this utility model is provided with thermal insulation layer, effectively completely cuts off outside heat, extends the service life of product.
2nd, this utility model is provided with flame-retardant layer, plays fire retardation, improves safety, multiple structure anti-wear performance simultaneously
Excellent.
3rd, nickel foil cloth of the present utility model passes through to set copper plate and nickel coating on the outer surface of Kapton, has
Can go up stannum, can automatic welding advantage, can achieve and automatically mount；And surface is copper facing, nickel material, there is little excellent of resistance value
Point, resistance value is in 0.03 below ω.
4th, it is connected by tack coat bonding between foam body of the present utility model and nickel foil cloth, both there is sealing, damping
Effect it is also possible to the electromagnetic wave that will diffuse into its surface changes into heat energy or other energy eliminates, thus bringing to equipment
Safety guarantee, the electromagnetism weakening in environment threatens.
5th, nickel foil cloth of the present utility model and conductive layer of cloth all can play electric conductivity, shielding, make the shielding of conducting foam
Performance and electric conductivity greatly reinforce.
6th, conducting foam can be bonded at operating position for adhesive-layer of the present utility model.
Brief description
Fig. 1 is the structural representation of the conducting foam that this utility model provides.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
As shown in figure 1, including foam body 1 and the nickel foil cloth 2 being arranged at foam body 1 lower surface, foam body 1 with
It is additionally provided with tack coat 3, described tack coat 3 will be bonding with foam body 1 for nickel foil cloth 2 into a single integrated structure, described between nickel foil cloth 2
The upper surface of foam body 1 is provided with thermal insulation layer 4, is provided with flame-retardant layer 5 in the upper surface of described thermal insulation layer 4, in described flame-retardant layer 5
Upper surface is provided with conductive layer of cloth 6, is provided with adhesive-layer 7 in the upper surface of described conduction layer of cloth 6.
The overall structure thickness of conducting foam is 4 ~ 8mm.
Described foam body is made up of ethylene/vinyl acetate copolymer.The feature of ethylene/vinyl acetate copolymer is
There is good flexibility, the same elasticity of rubber, remain to that there is preferable pliability at -50 DEG C, transparent and lustrous surface
Property is good, and chemical stability is good.
Nickel foil cloth is by Kapton and copper plate on the outer surface of Kapton for the plating and plating successively
Nickel dam forms, and the thickness of nickel foil cloth is 20 ~ 50 μm.
By copper plate and nickel coating are set on the outer surface of Kapton, have can go up stannum, can automatic welding
Advantage, can achieve and automatically mount；And surface be copper facing, nickel material, have the advantages that resistance value is little, resistance value 0.03 ω with
Under.
Described tack coat is silica gel glue tack coat；The thickness of described tack coat is 20 ~ 40 μm.
Tack coat both had sealing, damping effect it is also possible to the electromagnetic wave that will diffuse into its surface change into heat energy or
Other energy eliminate, thus bringing safety guarantee to equipment, the electromagnetism weakening in environment threatens.
The effect of silica gel glue tack coat is effectively to bond nickel foil cloth and foam body, and can reach face high temperature and do not produce
The abnormal phenomenas such as cracking.
The thickness of described conduction layer of cloth is 20 ~ 50 μm.
Nickel foil cloth and conductive layer of cloth all can play electric conductivity, shielding, make shielding propertiess and the electric conductivity of conducting foam
Greatly reinforce, shield effectiveness brings up to more than 110db.
Described thermal insulation layer is made up of heat-barrier material；The thickness of described thermal insulation layer is 1 ~ 3mm.
Thermal insulation layer effectively completely cuts off outside heat, extends the service life of product.
Heat-barrier material can be using general heat-barrier material.
Described flame-retardant layer is made up of fire proofing；The thickness of described flame-retardant layer is 1 ~ 3mm.
Fire proofing can adopt general inorganic anti-flaming material and organic fire-resisting material, and inorganic anti-flaming material is as aoxidized
Antimony, Firebrake ZB, organic fire-resisting material such as decabromodiphenyl oxide, tetrabromobisphenol-a.
Flame-retardant layer plays fire retardation, improves safety, possesses ul94hb and v0 flame retardant rating, multiple structure is wear-resisting simultaneously
Performance is excellent.
Described adhesive-layer is conductive adhesive layer or insulation glue-line.
Conducting foam can be bonded at operating position for adhesive-layer.
The shape of conducting foam of the present utility model can adjust according to mould, such as the difference such as rectangle, circle, middle with hole
Shape, is widely used in pdp TV, lcd display, LCD TV, mobile phone, notebook, mp3, communication cabinet, medical treatment
The electronic products such as instrument and military project, space industry.
Described in above-described embodiment and description, principle of the present utility model and most preferred embodiment are simply described, are not taking off
On the premise of this utility model spirit and scope, this utility model also has various changes and modifications, these changes and improvements
Both fall within the range of claimed this utility model.
Claims (10)
1. a kind of shielding conducting foam is it is characterised in that include foam body and the nickel foil being arranged at foam body lower surface
Cloth, is additionally provided with tack coat between foam body and nickel foil cloth, and described tack coat will be bonding with foam body for nickel foil cloth integral
Structure, is provided with thermal insulation layer in the upper surface of described foam body, is provided with flame-retardant layer in the upper surface of described thermal insulation layer, in described resistance
The upper surface of combustion layer is provided with conductive layer of cloth, is provided with adhesive-layer in the upper surface of described conduction layer of cloth.
2. conducting foam according to claim 1 it is characterised in that described conducting foam overall structure thickness be 4 ~
8mm.
3. conducting foam according to claim 1 is it is characterised in that described foam body is common by ethylene/vinyl acetate
Polymers is made.
4. conducting foam according to claim 1 is it is characterised in that described nickel foil cloth is by Kapton, Yi Jiyi
Copper plate on the outer surface of Kapton for the secondary plating and nickel coating composition.
5. conducting foam according to claim 1 is it is characterised in that the thickness of described nickel foil cloth is 20 ~ 50 μm；Described lead
The thickness of electric layer of cloth is 20 ~ 50 μm.
6. conducting foam according to claim 1 is it is characterised in that described tack coat is silica gel glue tack coat.
7. conducting foam according to claim 1 is it is characterised in that the thickness of described tack coat is 20 ~ 40 μm.
8. conducting foam according to claim 1 is it is characterised in that described thermal insulation layer is made up of heat-barrier material, described resistance
Combustion layer is made up of fire proofing.
9. conducting foam according to claim 1 is it is characterised in that the thickness of described thermal insulation layer is 1 ~ 3mm；Described fire-retardant
The thickness of layer is 1 ~ 3mm.
10. conducting foam according to claim 1 is it is characterised in that described adhesive-layer is conductive adhesive layer or insulation glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620875236.4U CN205902321U (en) | 2016-08-12 | 2016-08-12 | Shielding is cotton with electrically conductive bubble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620875236.4U CN205902321U (en) | 2016-08-12 | 2016-08-12 | Shielding is cotton with electrically conductive bubble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205902321U true CN205902321U (en) | 2017-01-18 |
Family
ID=57780921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620875236.4U Active CN205902321U (en) | 2016-08-12 | 2016-08-12 | Shielding is cotton with electrically conductive bubble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205902321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189503A (en) * | 2018-01-31 | 2018-06-22 | 苏州维洛克电子科技有限公司 | A kind of multi-functional PET film |
| CN112888291A (en) * | 2021-02-25 | 2021-06-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN113134997A (en) * | 2021-04-01 | 2021-07-20 | 苏州泰富金电子科技有限公司 | Flame-retardant conductive foam and preparation process thereof |
-
2016
- 2016-08-12 CN CN201620875236.4U patent/CN205902321U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189503A (en) * | 2018-01-31 | 2018-06-22 | 苏州维洛克电子科技有限公司 | A kind of multi-functional PET film |
| CN112888291A (en) * | 2021-02-25 | 2021-06-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN112888291B (en) * | 2021-02-25 | 2022-07-01 | 仕来高(东莞)电子制品有限公司 | Conductive foam with shielding and preparation method thereof |
| CN113134997A (en) * | 2021-04-01 | 2021-07-20 | 苏州泰富金电子科技有限公司 | Flame-retardant conductive foam and preparation process thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |