CN107278116A - It is electromagnetically shielded earthing or grounding means - Google Patents
It is electromagnetically shielded earthing or grounding means Download PDFInfo
- Publication number
- CN107278116A CN107278116A CN201710680065.9A CN201710680065A CN107278116A CN 107278116 A CN107278116 A CN 107278116A CN 201710680065 A CN201710680065 A CN 201710680065A CN 107278116 A CN107278116 A CN 107278116A
- Authority
- CN
- China
- Prior art keywords
- grounding means
- electromagnetic shielding
- conductive layer
- earthing
- bodys
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002861 polymer material Substances 0.000 claims abstract description 4
- 230000037303 wrinkles Effects 0.000 claims description 2
- 239000006260 foam Substances 0.000 abstract description 11
- 229920002521 macromolecule Polymers 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003292 glue Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
Abstract
The present invention discloses a kind of electromagnetic shielding earthing or grounding means.The electromagnetic shielding earthing or grounding means of the present invention includes the hollow body and conductive layer being made up of high polymer material, the conductive layer is combined or is deposited on by splashing ferryman's skill the outer surface of the body by PUR with the outer surface of the body, and the conductive layer wraps up the body.The electromagnetic shielding earthing or grounding means of the present invention, the foam in prior art conducting foam is replaced using macromolecule body, on the one hand cost is saved, on the other hand elastic deformation and the restoring force of electromagnetic shielding earthing or grounding means are improved, and can be used according to the circuit board of electronic product and the mechanism characteristicses independent assortment of packing box, electromagnetic shielding and grounding function are realized, while improving the Mechanical Reliability and impact resistance of electronic product.
Description
Technical field
Circuit in electronic product can be lifted the present invention relates to a kind of auxiliary spare part of electronic product, more particularly to one kind
The electro-magnetic screen function of plate and the device of grounding function.
Background technology
With the development of electronic technology, electromagnetic radiation is increasingly severe to the harm that environment and human body are brought, and influence electricity
The performance of sub- product in itself.How electromagnetic radiation is reduced as industry question of common concern.
Existing improved method is that conducting foam is disposed in electronic product, on the one hand for shielding electron product circuit work
As when the electromagnetic wave that produces, on the other hand can also reduce the influence of external electromagnetic ripple for point product in itself, it is possible to will
The electrostatic that electronic product is produced exports and prevented excessive electrostatic to ground wire.
The shielding product species of in the market is various, there is a metal based article, or electrically conductive particles filling macromolecule silica gel or
Rubber product etc..Comparatively, the material price used in these products, manufacturing equipment cost is higher, and manufacturing process is more complicated,
Commercially price is higher for product, and which limits the electricity that this kind of product lifts electromagnetic shielding and ground connection performance in some needs
Application on sub- product.
Conductive fabric foam on the market is to be fused with conductive fabric with foam by thermosol glued membrane, the formed body of cladding, warp
Various sizes of conducting foam is made by importing mould, mould and shaper.
By the characteristic of conductive fabric foam surface conductance cloth, the function of electromagnetic wave shielding and conductive earthing can be effectively provided；
Conducting foam pastes combination with conductive tape more in mechanism body or electronic circuit ground side, and conducting foam bottom side is covered with into conduction
Glue, is fitted in mechanism body or is intended to produce the position of short-circuit effect, reverse end points is applied using restoring force of the foam after compressed
Power, and then generation conductive effect and regions shield between mechanism body.But foam involves great expense, and the combination work of itself and conductive fabric
Skill is also more complicated, and reliability is not ideal enough.
New electromagnetic shielding earthing or grounding means is needed badly to solve the above problems.
The content of the invention
The present invention proposes to solve above-mentioned each problem, it is therefore intended that provide a kind of capability of electromagnetic shielding more preferably, elasticity
Restoring force is more preferable, and the lower electromagnetic shielding earthing or grounding means of cost.
To achieve these goals, electromagnetic shielding earthing or grounding means of the invention, including by high polymer material be made it is hollow
Body and conductive layer, the conductive layer is combined with the outer surface of the body by PUR or crosses process deposits by splashing
In the outer surface of the body, the conductive layer wraps up the body.
It is preferred that, the electromagnetic screen of this practicality type can also include a plurality of bodys, a plurality of pipes
Body parallel sequence is arranged, and the conductive layer includes upper strata body and lower floor's body；The upper strata body and lower floor body parcel are described a plurality of
Body.
It is preferred that, the appearance bread of each body of a plurality of bodys of the electromagnetic screen of this practicality type
Wrap up in one or more layers conductive layer, and the overall outer layer of a plurality of bodys wraps up one layer of conductive layer again, the conductive layer is to splash
The mode of plating is combined with the outer surface of the body or is combined by PUR with the surface of the body.
It is preferred that, the electromagnetic shielding earthing or grounding means is tailored into by the electromagnetic screen of this practicality type by mould
Possesses the elastic conductive device of different shape and size.
It is preferred that, the electromagnetic screen of this practicality type includes single body, and the outer surface of the body passes through hot melt
Glue is combined with conductive layer, and the conductive layer wraps up the outer surface of the body.
It is preferred that, the body of the electromagnetic screen of this practicality type is flexible deformation and has restoring force
Hollow tubular body.
It is preferred that, the body of the electromagnetic screen of this practicality type include can free folding pleat.
It is preferred that, each body in a plurality of bodys of the electromagnetic screen of this practicality type is same
Position include can free folding pleat, a plurality of bodys can bend in fold body position to same direction.
The electromagnetic shielding earthing or grounding means beneficial effect that the present invention is provided is：It can be designed according to electronic product concrete mechanism
The need for, the shape of electromagnetic shielding earthing or grounding means is freely set, and cost is low, and restoring force is good, and light weight under equal volume, cost
It is low, and effectiveness and earthing effect are good.
Brief description of the drawings
Fig. 1 shows the structural representation of the cross section of one of embodiment of the electromagnetic shielding earthing or grounding means of the present invention
Figure.
Fig. 2 shows the cross-sectional structure schematic diagram of an alternative embodiment of the invention.
Fig. 3 shows the cross-sectional structure schematic diagram of one embodiment of the body of the present invention.
Fig. 4 shows the cross-sectional structure schematic diagram of another embodiment of the body of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
Before the technical scheme of various embodiments of the present invention is described in detail, involved noun and term are explained
It is bright.It should be noted that in this manual, title is identical or label identical part represents similar or identical structure, and
It is only limitted to the purpose of signal.
Fig. 1 shows the structural representation of the cross section of one of embodiment of the electromagnetic shielding earthing or grounding means of the present invention
Figure.As shown in figure 1, the electromagnetic shielding earthing or grounding means of the present invention, including the hollow body 1 and conduction being made up of high polymer material
Layer 3, the conductive layer 3 is combined with the outer surface of the body 1 by PUR or is deposited on the pipe by sputtering process
The outer surface of body 1, the conductive layer 3 wraps up the body 1.Wherein, when use conductive layer 3 passes through PUR and the body 1
Outer surface be combined structure when, the laminated structure that the conductive layer 3 can be made from conductive fabric or conductive fiber, or
It is the laminated structure being made up of flexible conducting material.Shown in Fig. 1 is this structural representation.And conductive layer 3 passes through sputter
Structure of the process deposits in the outer surface of the body 1 is then not shown.It should be noted that when using sputtering process, being not required to
Use heat-conducting glue 2.
It is further to note that the structure shown in Fig. 1 is the part interface figure of the electromagnetic shielding earthing or grounding means of the present invention.
In actual use, the structure according to the present invention can be illustrated into the device being made, cut out according to specific shape of product and structure
Cut or be made the shape for meeting design requirement.
As shown in figure 1, the electromagnetic shielding earthing or grounding means of this practicality type can include a plurality of bodys 1, it is described a plurality of
The parallel sequence of body 1 is arranged, and the conductive layer 3 includes upper strata body 31 and lower floor's body 32；The upper strata body 31 leads to lower floor's body 32
Cross PUR 2 and wrap up a plurality of bodys 1.
Electromagnetic shielding earthing or grounding means shown in Fig. 1 can be tailored into by the elasticity for possessing different shape and size by mould
Electric installation, to be designed suitable for the mechanism of different electronic products.
Additionally need and show, electromagnetic shielding earthing or grounding means of the invention can also be further arranged to：The plural number
Wrap up one or more layers conductive layer 3, and the overall outer layer of a plurality of bodys 1 in the outer surface of each body 1 of individual body 1
One layer of conductive layer 3 is wrapped up again, and the conductive layer 3 is combined or by hot melt in the way of sputter with the outer surface of the body 1
Glue is combined with the surface of the body 1.In brief, it can be understood as with the pipe structure (body here shown in Fig. 2
Structure includes body 1 and conductive layer 3) each body 1 in alternate figures 1.Certainly, body 1 can be using hot melt with conductive layer 3
The mode of glue is combined, it would however also be possible to employ the mode of sputter is combined.There is higher reliability on the whole using this structure,
The damaged of local body will not influence overall electric conductivity or ground connection performance, and this is special in some occasions for needing high reliability
Do not need.
In addition, although it is not shown, it should be noted that body 1 can include the pleat of free folding in Fig. 1 and Fig. 2
Wrinkle body.Body 1 can be entirely on the whole pleat or only include partial folds body.The pleat is similar to
Pleat in common straw.Using such structure, it can make it that the electromagnetic shielding earthing or grounding means of the present invention can be with
According to the occasion that uses and free folding is needed, with higher design freedom.
In addition, although it is not shown, it should be noted that each in a plurality of bodys is managed in Fig. 1 and Fig. 2
Body same position include can free folding pleat, a plurality of bodys can be curved to same direction in fold position
Folding.This structure is particularly suitable for use in the structure of the electronic product for having one or more corners or bending.On the one hand it is to ensure
Design freedom, on the other hand can preferably play the effect of ground connection and electromagnetic shielding.
Fig. 2 shows the cross-sectional structure schematic diagram of an alternative embodiment of the invention.As shown in Fig. 2 the electricity of the present invention
Magnetic screen earthing or grounding means, including single body 1, the outer surface of the body 1 are combined by PUR 2 with conductive layer 3, described
Conductive layer 3 wraps up the outer surface of the body 1.
The electromagnetic shielding earthing or grounding means of the present invention, the body can be designed as flexible deformation and have restoring force
Hollow tubular body.The material of body can be using the material that conventional plastics, silica gel, rubber etc. are flexible and insulate.It is described
The shape of cross section of body can be circular, and ellipse, triangle is trapezoidal, the geometry such as quadrangle.Especially, it is of the invention
Electromagnetic shielding and earthing or grounding means volume body a kind of a kind of special shape, i.e. a side in the cross section of tank body or
The shape of depression or protrusion is presented in multiple sides.As shown in figure 4, the shape of depression is presented in a side in the cross section of body.
As shown in figure 3, the shape of depression is presented in two sides in the cross section of body.Although it has not been shown on the figures, should still manage
Outwardly shape is presented in solution, one or more sides in the cross section of body, i.e., to with the depression shown in Fig. 3 or Fig. 4
Direction protrusion in opposite direction.The electromagnetic shielding earthing or grounding means of the invention being made of this tubular form, in upper and lower
Upwards, with more preferable screen resilience.
The present invention electromagnetic shielding earthing or grounding means, the body include can free folding pleat (not shown).Need
It is noted that a part of of body can be pleat, whole bodys can also be arranged to pleat, similar to common
The structure of straw, the effect of pleat is can be with free folding, and keeps certain shape.It is right using such structure
Have great importance on the electronic product of electromagnetic shielding earthing or grounding means application different structure that will be of the invention.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (9)
1. one kind electromagnetic shielding earthing or grounding means, it is characterised in that including hollow body and the conduction being made up of high polymer material
Layer, the conductive layer is combined with the outer surface of the body by PUR or is deposited on the body by splashing ferryman's skill
Outer surface, the conductive layer wraps up the body.
2. electromagnetic shielding earthing or grounding means according to claim 1, it is characterised in that described including a plurality of bodys
A plurality of body parallel sequence arrangements, the conductive layer includes upper strata body and lower floor's body；The upper strata body and body parcel institute of lower floor
State a plurality of bodys.
3. electromagnetic shielding earthing or grounding means according to claim 2, it is characterised in that each pipe of a plurality of bodys
One or more layers conductive layer is wrapped up in the outer surface of body, and the overall outer layer of a plurality of bodys wraps up one layer of conductive layer, institute again
Conductive layer is stated to be combined or mutually tie by the surface of PUR and the body with the outer surface of the body in the way of sputter
Close.
4. the electromagnetic shielding earthing or grounding means according to Claims 2 or 3, it is characterised in that by mould by the electromagnetic screen
Cover earthing or grounding means and be tailored into the elastic conductive device for possessing different shape and size.
5. electromagnetic shielding earthing or grounding means according to claim 1, it is characterised in that including single body, the body
Outer surface is combined by PUR with conductive layer, and the conductive layer wraps up the outer surface of the body.
6. the electromagnetic shielding earthing or grounding means according to any one of claims 1 to 3 or claim 5 claim, it is special
Levy and be, the body is flexible deformation and the hollow tubular body with restoring force.
7. the electromagnetic shielding earthing or grounding means according to any one of claims 1 to 3 or claim 5 claim, it is special
Card is, the body include can free folding pleat.
8. the electromagnetic shielding earthing or grounding means according to any one of Claims 2 or 3 claim, it is characterised in that described multiple
Each body in several bodys include in same position can free folding pleat, a plurality of bodys can be in pleat
Wrinkle body position is bent to same direction.
9. the electromagnetic shielding earthing or grounding means according to any one of claims 1 to 3 or claim 5 claim, its feature
It is, the shape of depression or protrusion is presented in one or more sides of the cross section of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680065.9A CN107278116A (en) | 2017-08-10 | 2017-08-10 | It is electromagnetically shielded earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710680065.9A CN107278116A (en) | 2017-08-10 | 2017-08-10 | It is electromagnetically shielded earthing or grounding means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107278116A true CN107278116A (en) | 2017-10-20 |
Family
ID=60079772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710680065.9A Pending CN107278116A (en) | 2017-08-10 | 2017-08-10 | It is electromagnetically shielded earthing or grounding means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107278116A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336576A (en) * | 2019-06-26 | 2019-10-15 | 维沃移动通信有限公司 | Electric installation and terminal device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497134Y (en) * | 2001-09-04 | 2002-06-26 | 成都新艺热缩塑料厂 | Multi-layer composite conductive heat-shrinkable tube |
| CN2629395Y (en) * | 2003-06-20 | 2004-07-28 | 佘旭凡 | Composite electromagnetic shielding materials |
| CN101286385A (en) * | 2007-04-11 | 2008-10-15 | 清华大学 | Electromagnetic shielding cable |
| JP2013021311A (en) * | 2011-06-13 | 2013-01-31 | Furukawa Electric Co Ltd:The | Electromagnetic shield tube, shield cable, manufacturing method of electromagnetic shield tube, material for electromagnetic shield tube, and adhesion improvement method of electromagnetic shield tube |
| CN103108780A (en) * | 2010-09-16 | 2013-05-15 | 矢崎总业株式会社 | Shield member for conducting path and wire harness |
| CN103621195A (en) * | 2012-06-21 | 2014-03-05 | 古河电气工业株式会社 | Electromagnetic shield pipe, structure of shield cable, method for bending electromagnetic shield pipe, method for producing electromagnetic shield pipe, and method for processing end of shield cable |
| CN105390184A (en) * | 2014-09-03 | 2016-03-09 | 住友电装株式会社 | Wire harness and shield conductive path |
| CN207022376U (en) * | 2017-08-10 | 2018-02-16 | 昆山立茂国际贸易有限公司 | It is electromagnetically shielded earthing or grounding means |
-
2017
- 2017-08-10 CN CN201710680065.9A patent/CN107278116A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497134Y (en) * | 2001-09-04 | 2002-06-26 | 成都新艺热缩塑料厂 | Multi-layer composite conductive heat-shrinkable tube |
| CN2629395Y (en) * | 2003-06-20 | 2004-07-28 | 佘旭凡 | Composite electromagnetic shielding materials |
| CN101286385A (en) * | 2007-04-11 | 2008-10-15 | 清华大学 | Electromagnetic shielding cable |
| CN103108780A (en) * | 2010-09-16 | 2013-05-15 | 矢崎总业株式会社 | Shield member for conducting path and wire harness |
| JP2013021311A (en) * | 2011-06-13 | 2013-01-31 | Furukawa Electric Co Ltd:The | Electromagnetic shield tube, shield cable, manufacturing method of electromagnetic shield tube, material for electromagnetic shield tube, and adhesion improvement method of electromagnetic shield tube |
| CN103621195A (en) * | 2012-06-21 | 2014-03-05 | 古河电气工业株式会社 | Electromagnetic shield pipe, structure of shield cable, method for bending electromagnetic shield pipe, method for producing electromagnetic shield pipe, and method for processing end of shield cable |
| CN105390184A (en) * | 2014-09-03 | 2016-03-09 | 住友电装株式会社 | Wire harness and shield conductive path |
| CN207022376U (en) * | 2017-08-10 | 2018-02-16 | 昆山立茂国际贸易有限公司 | It is electromagnetically shielded earthing or grounding means |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336576A (en) * | 2019-06-26 | 2019-10-15 | 维沃移动通信有限公司 | Electric installation and terminal device |
| CN110336576B (en) * | 2019-06-26 | 2021-06-15 | 维沃移动通信有限公司 | Conductive device and terminal equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |