CN211352977U - Wave absorbing plate for shielding electromagnetic interference - Google Patents
Wave absorbing plate for shielding electromagnetic interference Download PDFInfo
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- CN211352977U CN211352977U CN202020065982.3U CN202020065982U CN211352977U CN 211352977 U CN211352977 U CN 211352977U CN 202020065982 U CN202020065982 U CN 202020065982U CN 211352977 U CN211352977 U CN 211352977U
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Abstract
The utility model relates to an EMI shielding material technical field discloses a inhale wave plate for shielding electromagnetic interference, include from last to having flexible heat conduction wave-transmitting layer, absorbing layer and the rubber thin layer that sets gradually down, the thickness size on heat conduction wave-transmitting layer is 100 ~ 200 mu m, and the thickness size on absorbing layer is 300 ~ 500 mu m, and the thickness size on rubber thin layer is 50 ~ 100 mu m, and heat conduction wave-transmitting layer adopts the epoxy material to form, and absorbing layer adopts high magnetic conductivity ferrite material to form. The technical scheme of the utility model the efficiency of inhale the wave plate and absorb the electromagnetic wave has been improved, heat dispersion has been improved for the heat can be fast timely distribute away, has prolonged life and stability of performance, and thickness is thin, light in weight and have the compliance, inhales the soft flexible of wave plate and does not break, conveniently tailors, can process into various sizes and shape, is adapted to narrow and small space, so that paste on thinner electronic product, the practicality is strong.
Description
Technical Field
The utility model relates to an EMI shielding material technical field, in particular to inhale wave plate for shielding electromagnetic interference.
Background
The interference of electronic components to the outside world is called emi (electromagnetic interference); the electromagnetic wave will react with the electronic component to generate the interfered phenomenon.
The wave absorbing plate is a material capable of absorbing electromagnetic wave energy projected to the surface of the wave absorbing plate, and the material is applied to electronic equipment, can absorb electromagnetic radiation of electromagnetic waves and can achieve the purpose of eliminating electromagnetic interference. In engineering application, the wave-absorbing material is required to have high absorption rate to electromagnetic waves in a wider frequency band, and also required to have the properties of light weight, temperature resistance, moisture resistance, corrosion resistance and the like.
However, the existing wave absorbing plate has the problem of low absorption rate of electromagnetic waves, so that the effect of the wave absorbing plate for inhibiting electromagnetic wave interference is not ideal enough, the heat dissipation performance is not ideal enough, the heat converted by absorbing the electromagnetic waves cannot be dissipated quickly in time, and the service life of the wave absorbing plate is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a inhale wave plate for shielding electromagnetic interference, aim at solving current inhale the effect that wave plate electromagnetic wave absorption rate hangs down suppression electromagnetic interference ideal inadequately, and the radiating effect ideal inadequately, influence the technical problem who inhales the life of wave plate.
In order to achieve the above object, the utility model provides an inhale wave plate for shielding electromagnetic interference, include from last to having flexible heat conduction wave-transmitting layer, absorbing layer and the rubber thin film layer that sets gradually down, the thickness size on heat conduction wave-transmitting layer is 100 ~ 200 mu m, the thickness size on absorbing layer is 300 ~ 500 mu m, the thickness size on rubber thin film layer is 50 ~ 100 mu m, heat conduction wave-transmitting layer adopts the epoxy material to form, it adopts the formation of high magnetic conductivity ferrite material to inhale the wave layer.
Further, be equipped with a first viscose layer between heat conduction wave-transmitting layer and the ripples layer and between ripples layer and the rubber thin film layer respectively, heat conduction wave-transmitting layer passes through with the ripples layer first viscose layer bonding fixed connection, ripples layer and rubber thin film layer pass through first viscose layer bonding fixed connection.
Furthermore, a plurality of air holes are concavely formed in the surface of the first adhesive layer.
Further, the wave absorbing layer comprises a polyester film layer, a defoaming film layer, an anti-settling film layer and a lubricating film layer which are sequentially arranged from top to bottom.
Further, still include the second viscose layer, the second viscose layer sets up respectively polyester film layer and defoaming thin layer, defoaming thin layer and prevent sinking between thin layer and the lubricated thin layer of thin layer and preventing sinking.
Furthermore, a plurality of heat dissipation grooves are formed in the upper surface of the rubber film layer in a side-by-side concave mode.
Furthermore, the cross section of the heat dissipation groove is triangular.
Furthermore, the depth of the heat dissipation groove is 50-100 μm.
Furthermore, the diameter of the air holes is 10-50 μm.
Adopt the technical scheme of the utility model, following beneficial effect has: the technical scheme of the utility model, through high magnetic conductivity ferrite absorbing layer, effectively change electromagnetic wave energy into heat energy, block electromagnetic wave interference, but the broadband absorbs the electromagnetic wave, it is efficient to inhale the wave, there is not reflection that general conducting material separation electromagnetic wave caused, phenomenon such as diffraction and creep, the holistic heat dispersion of wave plate has been improved, make can be fast timely distribute away the heat, the life and the stability of performance of wave plate have been prolonged, and it is thin to inhale wave plate thickness, light in weight and have the compliance, inhale the flexible non-breaking of wave plate flexibility, conveniently tailor, can make into various sizes and shapes, be adapted to narrow and small space, in order to paste on thinner electronic product, shielding electromagnetic interference, restrain electromagnetic radiation, prevent the electromagnetic interference of microwave device and equipment, electromagnetic wave radiation and waveform shaping, therefore, the clothes hanger is strong in practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a wave-absorbing plate for shielding electromagnetic interference according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of a wave-absorbing layer of a wave-absorbing plate for shielding electromagnetic interference according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a rubber film layer of a wave-absorbing plate for shielding electromagnetic interference according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first adhesive layer of a wave-absorbing plate for shielding electromagnetic interference according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a inhale wave plate for shielding electromagnetic interference.
As shown in fig. 1 to 4, in an embodiment of the utility model, this a inhale wave plate for shielding electromagnetic interference, include from last to having flexible heat conduction wave-transmitting layer 10, inhale ripples layer 20 and the rubber thin film layer 30 of setting gradually down, the thickness size that heat conduction wave-transmitting layer 10 is 100 ~ 200 μm, the thickness size that inhales ripples layer 20 is 300 ~ 500 μm, the thickness size of rubber thin film layer 30 is 50 ~ 100 μm, heat conduction wave-transmitting layer 10 adopts the epoxy material to form, it forms to adopt the ferrite material of high magnetic conductivity to inhale ripples layer 20.
Specifically, the thermally conductive wave-transmitting layer 10 can effectively transmit electromagnetic waves with little change in properties of the electromagnetic waves.
Specifically, the high-permeability ferrite material adopted by the wave-absorbing layer 20 has the characteristics of high absorption frequency band, high absorption rate, thin matching thickness and the like, and can absorb leaked electromagnetic radiation, thereby achieving the purpose of eliminating electromagnetic interference. According to the propagation rule of electromagnetic waves from a low magnetic guide direction to a high magnetic guide direction in a medium, the ferrite with high magnetic conductivity is used for guiding the electromagnetic waves, a large amount of radiation energy of the electromagnetic waves is absorbed through electromagnetic resonance, and the energy of the electromagnetic waves is converted into heat energy through coupling, so that the purposes of absorbing the electromagnetic waves of the surrounding environment and inhibiting electromagnetic wave interference and electromagnetic radiation are achieved.
Specifically, be equipped with a first viscose layer 40 between heat conduction wave-transmitting layer 10 and the layer 20 of inhaling and between the layer 20 of inhaling and the rubber thin film layer 30 respectively, heat conduction wave-transmitting layer 10 passes through with the layer 20 of inhaling first viscose layer 40 bonding fixed connection, it passes through to inhale layer 20 and rubber thin film layer 30 first viscose layer 40 bonding fixed connection.
Specifically, the surface of the first adhesive layer 40 is concavely provided with a plurality of air holes 41, so that the heat dissipation effect is improved, heat can be quickly dissipated, and the service life and the performance stability of the product are prolonged.
Specifically, the wave absorbing layer 20 includes a polyester film layer 21, a defoaming film layer 22, an anti-settling film layer 23, and a lubricating film layer 24, which are sequentially disposed from top to bottom.
Specifically, still include second viscose layer 25, second viscose layer 25 sets up respectively polyester film layer 21 and defoaming film layer 22, defoaming film layer 22 and prevent sinking between film layer 23 and the lubricated film layer 24, all pass through between polyester film layer 21, defoaming film layer 22, prevent sinking between film layer 23 and the lubricated film layer 24 second viscose layer 25 bonding fixed connection.
Specifically, the upper surface of rubber thin film layer 30 side by side is concavely provided with a plurality of heat dissipation grooves 31, and because the wave plate in use absorbs electromagnetic waves in a large amount, the temperature can be increased, the heat dissipation grooves 31 improve the heat dissipation effect of the wave plate, the excessive concentration of heat is avoided, the rapid and timely diffusion of heat is facilitated, the deformation or the separation of the membrane caused by the temperature rise is also avoided, the stability of product performance is improved, and meanwhile, the rubber thin film layer 30 and the first adhesive layer can be more firmly attached.
Specifically, the cross section of the heat dissipation groove 31 is triangular.
Specifically, the depth of the heat dissipation groove 31 is 50-100 μm.
Specifically, the diameter of the air holes 41 is 10-50 μm.
Specifically, the utility model discloses a through high magnetic conductivity ferrite microwave absorbing layer, effectively convert electromagnetic wave energy into heat energy, block electromagnetic wave interference, but the broadband absorbs the electromagnetic wave, it is efficient to inhale the wave, there is not reflection that general conducting material separation electromagnetic wave caused, phenomenons such as diffraction and crawling, the holistic heat dispersion of wave absorption plate has been improved, make can distribute away in time fast of heat, the life and the stability of performance of wave absorption plate have been prolonged, and wave absorption plate thickness is thin, light in weight and have the compliance, wave absorption plate flexibility flexible does not break, conveniently tailor, can make into various sizes and shapes, be adapted to narrow and small space, in order to paste on thinner electronic product, shielding electromagnetic interference, restrain electromagnetic radiation, prevent the electromagnetic interference of microwave device and equipment, electromagnetic wave radiation and wave form plastic, therefore, the clothes hanger is strong in practicability.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (9)
1. The utility model provides a inhale wave plate for shielding electromagnetic interference, its characterized in that includes from last to having flexible heat conduction wave-transmitting layer, inhale ripples layer and the rubber thin layer of setting gradually down, the thickness size on heat conduction wave-transmitting layer is 100 ~ 200 mu m, the thickness size on ripples layer is 300 ~ 500 mu m, the thickness size on rubber thin layer is 50 ~ 100 mu m, heat conduction wave-transmitting layer adopts the epoxy material to form, inhale the ripples layer and adopt the formation of high magnetic conductivity ferrite material.
2. The wave absorbing plate for shielding electromagnetic interference of claim 1, wherein a first adhesive layer is respectively disposed between the heat-conducting wave-transmitting layer and the wave absorbing layer and between the wave absorbing layer and the rubber thin film layer, the heat-conducting wave-transmitting layer and the wave absorbing layer are fixedly bonded through the first adhesive layer, and the wave absorbing layer and the rubber thin film layer are fixedly bonded through the first adhesive layer.
3. The wave absorbing plate for shielding electromagnetic interference of claim 2, wherein the surface of the first adhesive layer is recessed with a plurality of air holes.
4. The wave absorbing plate for shielding electromagnetic interference of claim 1, wherein the wave absorbing layer comprises a polyester film layer, a defoaming film layer, an anti-settling film layer and a lubricating film layer which are sequentially arranged from top to bottom.
5. The wave absorbing plate for shielding electromagnetic interference of claim 4, further comprising a second adhesive layer, wherein the second adhesive layer is respectively disposed between the polyester film layer and the defoaming film layer, between the defoaming film layer and the anti-sinking film layer, and between the anti-sinking film layer and the lubricating film layer.
6. The wave absorbing plate for shielding electromagnetic interference of claim 1, wherein the upper surface of the rubber film layer is recessed side by side with a plurality of heat dissipation grooves.
7. The wave absorbing plate for shielding electromagnetic interference of claim 6, wherein the cross section of the heat dissipation groove is triangular.
8. The wave absorbing plate for shielding electromagnetic interference of claim 7, wherein the depth of the heat dissipation groove is 50-100 μm.
9. The wave absorbing plate for shielding electromagnetic interference of claim 3, wherein the diameter of the air holes is 10-50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065982.3U CN211352977U (en) | 2020-01-10 | 2020-01-10 | Wave absorbing plate for shielding electromagnetic interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020065982.3U CN211352977U (en) | 2020-01-10 | 2020-01-10 | Wave absorbing plate for shielding electromagnetic interference |
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| CN211352977U true CN211352977U (en) | 2020-08-25 |
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| CN202020065982.3U Active CN211352977U (en) | 2020-01-10 | 2020-01-10 | Wave absorbing plate for shielding electromagnetic interference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087541A (en) * | 2021-03-19 | 2021-07-09 | 西安交通大学 | Wave-transparent/wave-absorbing composite layered aerogel and preparation method and application thereof |
| CN116750214A (en) * | 2023-08-18 | 2023-09-15 | 北京临近空间飞行器系统工程研究所 | Flexible heat-proof skin for ultra-high temperature environment |
-
2020
- 2020-01-10 CN CN202020065982.3U patent/CN211352977U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113087541A (en) * | 2021-03-19 | 2021-07-09 | 西安交通大学 | Wave-transparent/wave-absorbing composite layered aerogel and preparation method and application thereof |
| CN116750214A (en) * | 2023-08-18 | 2023-09-15 | 北京临近空间飞行器系统工程研究所 | Flexible heat-proof skin for ultra-high temperature environment |
| CN116750214B (en) * | 2023-08-18 | 2024-04-16 | 北京临近空间飞行器系统工程研究所 | Flexible heat-proof skin for ultra-high temperature environment |
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