CN208509527U - Electromagnetic screen - Google Patents
Electromagnetic screen Download PDFInfo
- Publication number
- CN208509527U CN208509527U CN201821172675.4U CN201821172675U CN208509527U CN 208509527 U CN208509527 U CN 208509527U CN 201821172675 U CN201821172675 U CN 201821172675U CN 208509527 U CN208509527 U CN 208509527U
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- CN
- China
- Prior art keywords
- layer
- clad
- screen
- screen layer
- secondary shielding
- 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.)
- Expired - Fee Related
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000741 silica gel Substances 0.000 claims abstract description 18
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 18
- 230000004308 accommodation Effects 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims description 49
- 229910052751 metal Inorganic materials 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 6
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model provides a kind of electromagnetic screen, belongs to electronic technology field.Electromagnetic screen includes: storing apparatus, has accommodation space on storing apparatus；Clad, clad are set to the inside of accommodation space, and clad is used for overlay electronic component, and clad is made of heat conductive silica gel；First screen layer, first screen layer are set to the inside of accommodation space, and first screen layer covers clad, and first screen layer is the heat conductive silica gel that inside is scattered with copper powder；Secondary shielding layer, secondary shielding layer are set to the inside of accommodation space, and secondary shielding layer covers first screen layer, and secondary shielding layer is the heat conductive silica gel that inside is scattered with iron powder.This electromagnetic screen, which realizes, to be guaranteed to improve electromagnetic shielding performance in the case where the capacity of heat transmission, and reduces the purpose of volume.
Description
Technical field
The utility model relates to electronic technology fields, in particular to a kind of electromagnetic screen.
Background technique
Make rapid progress the epoch of development in modern electronic product, the various requirement of shelter of electronic product also reinforced therewith,
Power density is big, small in size, light-weight, anti-interference, radiation protection, antistatic, waterproof, high reliablity, cost performance height etc., is electronics
The target of product development.Wherein, the heat dissipation of electronic component and electromagnetic shielding performance are even more important, existing electronic component
Radiating mode mostly uses cooling fin, and existing electromagnetic shielding mostly uses shielding case.
As it can be seen that existing electronic component haves the defects that heat dissipation effect is bad, volume is big, at high cost.In addition, existing
The purpose that processing mode is difficult to realize heating conduction and Electro Magnetic Compatibility is taken into account.
Utility model content
The utility model provides a kind of electromagnetic screen, it is intended to solve existing for electromagnetic screen in the prior art
The above problem.
The utility model is realized in this way:
A kind of electromagnetic screen, in electronic structure, comprising:
Storing apparatus has accommodation space on the storing apparatus；
Clad, the clad are set to the inside of the accommodation space, and the clad is used for overlay electronic structure,
The clad is made of heat conductive silica gel；
First screen layer, the first screen layer are set to the inside of the accommodation space, the first screen layer covering
The clad, the first screen layer are the heat conductive silica gel that inside is scattered with copper powder；
Secondary shielding layer, the secondary shielding layer are set to the inside of the accommodation space, the secondary shielding layer covering
The first screen layer, the secondary shielding layer are the heat conductive silica gel that inside is scattered with iron powder.
It in the utility model preferred embodiment, is fixedly connected between the clad and the first screen layer, institute
It states and is provided with the first protrusion on clad, be provided with the first groove in the first screen layer, first protrusion and described the
It mutually coincide between one groove.
It is fixed between the first screen layer and the secondary shielding layer to connect in the utility model preferred embodiment
It connects, the secondth protrusion is provided in the first screen layer, is provided with the second groove in the secondary shielding layer, described second is convex
It rises and mutually coincide between second groove.
In the utility model preferred embodiment, the first gold medal is provided between the clad and the first screen layer
Belong to mesh sheet.
In the utility model preferred embodiment, the two sides of first metal mesh sheet are fixedly connected with the first metal
Nail, first metal nail are inserted respectively into the clad and the first screen layer.
In the utility model preferred embodiment, first metal mesh sheet is made of ferrous material.
In the utility model preferred embodiment, is provided between the first screen layer and the secondary shielding layer
Two metal mesh sheets.
In the utility model preferred embodiment, the two sides of second metal mesh sheet are fixedly connected with the second metal
Nail, second metal nail are inserted respectively into the first screen layer and the secondary shielding layer.
In the utility model preferred embodiment, second metal mesh sheet is made of copper material.
In the utility model preferred embodiment, the particle diameter of the copper powder and the iron powder is 0.04-
0.07mm。
The beneficial effects of the utility model are:
The electromagnetic screen that the utility model obtains by above-mentioned design at work can be with using clad
It realizes the protection to electronic component, improves stability of electronic component by external force, and due to clad
It is made of heat conductive silica gel, so that electronic component can have preferable heat dissipation effect, and passes through the first screen
Layer and secondary shielding layer are covered, Bimetallic shielding may be implemented, can effectively improve shield effectiveness, and due to first screen layer and
The substrate of two shielded layers is heat conductive silica gel so that first screen layer and secondary shielding layer also have well it is thermally conductive
Ability can also carry out very electronic component so as to realize in the case where electronic component can be very good heat dissipation
Good electromagnetic shielding, overall structure is also smaller, realizes and guarantees to improve electromagnetic shielding performance in the case where the capacity of heat transmission, and contracts
The purpose of small size.
Detailed description of the invention
It, below will be to required in embodiment 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 understood that the following drawings illustrates only some embodiments of the utility model, therefore not
It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram for electromagnetic screen that the utility model embodiment provides；
Fig. 2 is the partial enlarged view in Fig. 1；
Fig. 3 is the structural schematic diagram for another electromagnetic screen that the utility model embodiment provides；
Fig. 4 is the partial enlarged view in Fig. 3.
Icon: 100- electromagnetic screen；110- storing apparatus；111- accommodation space；120- secondary shielding layer；121-
Two grooves；130- first screen layer；The second protrusion of 131-；The first groove of 132-；140- clad；The first protrusion of 141-；150-
First metal mesh sheet；The first metal nail of 151-；The second metal mesh sheet of 160-；The second metal nail of 161-.
Specific embodiment
It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer
The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows
So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this
Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below
The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model
Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that indicating position or the term of positional relationship are based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The equipment or element of finger must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as to this reality
With novel limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Embodiment one
A kind of electromagnetic screen 100 is present embodiments provided, for please referring to Fig. 1, Fig. 2, Fig. 3 in electronic component
And Fig. 4, this electromagnetic screen 100 include:
Storing apparatus 110 has accommodation space 111 on storing apparatus 110；
Clad 140, clad 140 are set to the inside of accommodation space 111, and clad 140 is used for overlay electronic member device
Part, clad 140 are made of heat conductive silica gel；
First screen layer 130, first screen layer 130 are set to the inside of accommodation space 111, and first screen layer 130 covers
Clad 140, first screen layer 130 are the heat conductive silica gel that inside is scattered with copper powder；
Secondary shielding layer 120, secondary shielding layer 120 are set to the inside of accommodation space 111, and secondary shielding layer 120 covers
First screen layer 130, secondary shielding layer 120 are the heat conductive silica gel that inside is scattered with iron powder.
At work, the protection to electronic component may be implemented using clad 140, improves electronic component and exists
By the stability in the case of external force, and since clad 140 uses heat conductive silica gel to be made, so that electronics member device
Part can have preferable heat dissipation effect, and by first screen layer 130 and secondary shielding layer 120, bimetallic may be implemented
Shielding, can effectively improve shield effectiveness, and since the substrate of first screen layer 130 and secondary shielding layer 120 is thermal conductive silicon
Glue, so that first screen layer 130 and secondary shielding layer 120 also have the good capacity of heat transmission, so as to realize
In the case where electronic component can be very good heat dissipation, electronic component can also be electromagnetically shielded well, it is whole
Structure is also smaller, realizes and guarantees to improve electromagnetic shielding performance in the case where the capacity of heat transmission, and reduces the purpose of volume.
Optionally, in the present embodiment, the thickness of first screen layer 130 and secondary shielding layer 120 be disposed as 1-3mm it
Between.
Since the thickness of first screen layer 130 and secondary shielding layer 120 is smaller, so that first screen layer
130 and secondary shielding layer 120 with electromagnetic shielding capability, heating conduction will not be affected.
Optionally, in the present embodiment, it is fixedly connected between clad 140 and first screen layer 130, on clad 140
Be provided with the first protrusion 141, be provided with the first groove 132 in first screen layer 130, the first protrusion 141 and the first groove 132 it
Between mutually coincide.
When pouring, some gullies can be produced on the surface of clad 140, so as to form the first protrusion
141, then first screen layer 130 is directly cast in above again, so that clad 140 and first screen layer 130
It can be very good to link together, the connection between clad 140 and first screen layer 130 can closely, such case
Under, it can effectively improve the stability of electronic component in the case where being subject to external force in clad 140.
Optionally, in the present embodiment, it is fixedly connected between first screen layer 130 and secondary shielding layer 120, the first shielding
It is provided with the secondth protrusion 131 on layer 130, the second groove 121, the second protrusion 131 and second are provided in secondary shielding layer 120
It mutually coincide between groove 121.
When pouring, some gullies can be produced on the surface of first screen layer 130, so as to form second
Secondary shielding layer 120, is then directly cast in above, so that first screen layer 130 and the second screen by protrusion 131 again
Covering layer 120 can be very good to link together, and the connection between first screen layer 130 and secondary shielding layer 120 can be very tight
It is close, in this case, it can be further improved the stabilization of electronic component in the case where being subject to external force in clad 140
Property.
Optionally, in the present embodiment, the first metal mesh sheet is provided between clad 140 and first screen layer 130
150。
First metal mesh sheet 150 can be further improved the performance of total electromagnetic shielding, and due to the first metal
Mesh sheet 150 is arranged between clad 140 and the first shielding part, thus under normal process, it is only necessary to make in clad 140
After performing, some gullies then are manufactured in 140 outer surface of clad, being then covered with the first metal mesh sheet 150 later can carry out
First screen layer 130 pours, and entire process is very simple.
Optionally, in the present embodiment, the two sides of the first metal mesh sheet 150 are fixedly connected with the first metal nail 151, and first
Metal nail 151 is inserted respectively into clad 140 and first screen layer 130.
First metal nail 151 can make the connection between clad 140 and first screen layer 130 even closer.
And in the present embodiment, the length of the first metal nail 151 is 0.3-0.4mm.
Since the length of the first metal nail 151 is very short, thus will not be to the knot of clad 140 and first screen layer 130
Structure generates destruction.
Optionally, in the present embodiment, the first metal mesh sheet 150 is made of ferrous material.
Since the metal and first screen layer 130 of the first metal mesh sheet 150 are different, so as to realize Bimetallic shielding,
Effectively improve shield effectiveness.
Optionally, in the present embodiment, the second metal mesh is provided between first screen layer 130 and secondary shielding layer 120
Piece 160.
Second metal mesh sheet 160 can be further improved the performance of total electromagnetic shielding, and due to the second metal
Mesh sheet 160 is arranged between the first shielding part and secondary shielding part, thus under normal process, it is only necessary in the first shielding part
After making, some gullies then are manufactured in the first shielding part outer surface, being then covered with the second metal mesh sheet 160 later can be into
Row secondary shielding layer 120 pours, and entire process is very simple.
Optionally, in the present embodiment, the two sides of the second metal mesh sheet 160 are fixedly connected with the second metal nail 161, and second
Metal nail 161 is inserted respectively into first screen layer 130 and secondary shielding layer 120.
Second metal nail 161 can make the connection between first screen layer 130 and secondary shielding layer 120 even closer.
And in the present embodiment, the length of the second metal nail 161 is 0.3-0.4mm.
Since the length of the second metal nail 161 is very short, thus will not be to first screen layer 130 and secondary shielding layer 120
Structure generate destruction.
Optionally, in the present embodiment, the second metal mesh sheet 160 is made of copper material.
Since the metal and secondary shielding layer 120 of the second metal mesh sheet 160 are different, so as to realize Bimetallic shielding,
Effectively improve shield effectiveness.
Optionally, in the present embodiment, the particle diameter of copper powder and iron powder is 0.04-0.07mm.
It is experimentally confirmed that the effectiveness of copper powder and iron powder is preferable when diameter is between 0.04-0.07, and
And it is also smaller on the thermally conductive influence of heat conductive silica gel, it may be implemented in the case where not losing heating conduction, preferably progress electromagnetism
The shielding of signal.
The working principle of electromagnetic screen 100 provided in this embodiment is at work, to utilize clad 140
The protection to electronic component may be implemented, improve stability of electronic component by external force, and due to packet
Coating 140 is made of heat conductive silica gel, so that electronic component can have preferable heat dissipation effect, and is passed through
First screen layer 130 and secondary shielding layer 120, may be implemented Bimetallic shielding, can effectively improve shield effectiveness, and due to
One shielded layer 130 and the substrate of secondary shielding layer 120 are heat conductive silica gel, so that first screen layer 130 and second
Shielded layer 120 also has the good capacity of heat transmission, so as to realize in the case where electronic component can be very good heat dissipation,
Electronic component can also be electromagnetically shielded well, overall structure is also smaller, realizes the case where guaranteeing the capacity of heat transmission
Lower raising electromagnetic shielding performance, and reduce the purpose of volume.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of electromagnetic screen, in electronic component characterized by comprising
Storing apparatus has accommodation space on the storing apparatus；
Clad, the clad are set to the inside of the accommodation space, and the clad is used for overlay electronic component, institute
Clad is stated to be made of heat conductive silica gel；
First screen layer, the first screen layer are set to the inside of the accommodation space, described in the first screen layer covering
Clad, the first screen layer are the heat conductive silica gel that inside is scattered with copper powder；
Secondary shielding layer, the secondary shielding layer are set to the inside of the accommodation space, described in the secondary shielding layer covering
First screen layer, the secondary shielding layer are the heat conductive silica gel that inside is scattered with iron powder.
2. electromagnetic screen according to claim 1, which is characterized in that the clad and the first screen layer it
Between be fixedly connected, the first protrusion is provided on the clad, is provided with the first groove in the first screen layer, described first
It mutually coincide between raised and described first groove.
3. electromagnetic screen according to claim 2, which is characterized in that the first screen layer and the secondary shielding
It is fixedly connected between layer, the second protrusion is provided in the first screen layer, is provided with the second groove in the secondary shielding layer,
It mutually coincide between second protrusion and second groove.
4. electromagnetic screen according to claim 1, which is characterized in that the clad and the first screen layer it
Between be provided with the first metal mesh sheet.
5. electromagnetic screen according to claim 4, which is characterized in that the two sides of first metal mesh sheet are fixed to be connected
It is connected to the first metal nail, first metal nail is inserted respectively into the clad and the first screen layer.
6. electromagnetic screen according to claim 4, which is characterized in that first metal mesh sheet uses ferrous material
It is made.
7. electromagnetic screen according to claim 4, which is characterized in that the first screen layer and the secondary shielding
The second metal mesh sheet is provided between layer.
8. electromagnetic screen according to claim 7, which is characterized in that the two sides of second metal mesh sheet are fixed to be connected
It is connected to the second metal nail, second metal nail is inserted respectively into the first screen layer and the secondary shielding layer.
9. electromagnetic screen according to claim 7, which is characterized in that second metal mesh sheet uses copper material
It is made.
10. electromagnetic screen according to claim 1, which is characterized in that the particle of the copper powder and the iron powder is straight
Diameter is 0.04-0.07mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172675.4U CN208509527U (en) | 2018-07-24 | 2018-07-24 | Electromagnetic screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172675.4U CN208509527U (en) | 2018-07-24 | 2018-07-24 | Electromagnetic screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509527U true CN208509527U (en) | 2019-02-15 |
Family
ID=65289940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821172675.4U Expired - Fee Related CN208509527U (en) | 2018-07-24 | 2018-07-24 | Electromagnetic screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509527U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616305A (en) * | 2020-12-30 | 2021-04-06 | 湘潭市神钜机电科技有限公司 | Nuclear-resistant shielding structure of electronic equipment, manufacturing method of nuclear-resistant shielding structure and electronic equipment |
| CN113939175A (en) * | 2021-10-27 | 2022-01-14 | 吉林大学 | Vehicle electromagnetic shielding system |
-
2018
- 2018-07-24 CN CN201821172675.4U patent/CN208509527U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616305A (en) * | 2020-12-30 | 2021-04-06 | 湘潭市神钜机电科技有限公司 | Nuclear-resistant shielding structure of electronic equipment, manufacturing method of nuclear-resistant shielding structure and electronic equipment |
| CN113939175A (en) * | 2021-10-27 | 2022-01-14 | 吉林大学 | Vehicle electromagnetic shielding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |