CN212232013U - Broadband structure type high-temperature-resistant wave-absorbing material - Google Patents
Broadband structure type high-temperature-resistant wave-absorbing material Download PDFInfo
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- CN212232013U CN212232013U CN202021414012.6U CN202021414012U CN212232013U CN 212232013 U CN212232013 U CN 212232013U CN 202021414012 U CN202021414012 U CN 202021414012U CN 212232013 U CN212232013 U CN 212232013U
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Abstract
The utility model discloses a wide band structure type high temperature resistant absorbing material, including first absorbing layer, the bottom mounting of first absorbing layer is equipped with second absorbing layer, the fixed first insulating layer that is equipped with in top of first absorbing layer, the bottom mounting of second absorbing layer is equipped with the second insulating layer, the fixed absorbing sponge that is equipped with evenly distributed in top of first absorbing layer and second absorbing layer, the fixed wave-leading groove that is equipped with between the adjacent wave-leading sponge, inhale the fixed connection skeleton in edge of wave-leading sponge and wave-leading groove, the fixed wave-leading board that is equipped with all around on top of absorbing sponge. The broadband structure type high-temperature-resistant wave-absorbing material is simple and reasonable in structure, novel in design and high in high-temperature-resistant wave-absorbing efficiency in the aspect of high-temperature-resistant wave absorption.
Description
Technical Field
The utility model relates to an electronic material technical field specifically is a wide band structure type high temperature resistant absorbing material.
Background
The wave-absorbing material can absorb and attenuate incident electromagnetic waves and convert electromagnetic energy into heat energy to dissipate the heat energy. With the rapid development of scientific technology and electronic industry, various digital and high-frequency electronic and electrical devices radiate electromagnetic waves with a large number of frequencies with different wavelengths into the space during working, thereby causing new environmental pollution, namely electromagnetic wave interference and radio frequency or radio interference. Meanwhile, electronic components are also being developed toward miniaturization, light weight, digitalization and high-density integration, and the electronic components have higher and higher sensitivity and are easily subjected to external electromagnetic interference to cause misoperation, image obstruction, sound obstruction and the like. The electromagnetic interference generated by electromagnetic radiation only affects the performance of electronic products, and the electromagnetic pollution caused by the electromagnetic interference can cause serious harm to human beings and other organisms.
With the development of modern communication technology, the working bandwidth of various electromagnetic devices is increasing, and the requirements on broadband wave-absorbing materials are higher and higher. The common coating type wave-absorbing material has the defects of narrow absorption bandwidth, easy falling, low strength, heavy thickness and the like, and can not meet the requirement of broadband electromagnetic wave absorption. However, the structural wave-absorbing material not only has the dual functions of high bearing capacity and wave-absorbing capacity, but also has the advantages of high strength, light material quality and the like of the composite material, and has become an important development direction of stealth materials.
The high temperature resistance of the traditional broadband structure type wave-absorbing material is general, and the structure deformation can occur under the high temperature environment, so that the effect of absorbing electromagnetic waves is influenced. Therefore, we improve the above and provide a broadband structure type high temperature resistant wave-absorbing material.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a wide band structure type high temperature resistant absorbing material, including first absorbing layer, the bottom mounting of first absorbing layer is equipped with second absorbing layer, the fixed first insulating layer that is equipped with in top of first absorbing layer, the bottom mounting of second absorbing layer is equipped with the second insulating layer, the fixed absorbing sponge that is equipped with evenly distributed in top of first absorbing layer and second absorbing layer, the fixed wave-leading groove that is equipped with between the adjacent absorbing sponge, the fixed connection skeleton in edge of absorbing sponge and wave-leading groove, the fixed wave-leading board that is equipped with all around on top of absorbing sponge.
As an optimal technical scheme of the utility model, inhale ripples sponge top and be the pyramid setting, inhale the material of ripples sponge and adopt polyurethane foam sponge.
As an optimal technical scheme of the utility model, the fixed edge that sets up at every ripples sponge and wave guide groove is inhaled to the skeleton, the skeleton adopts the stereoplasm to pass through ripples material and makes.
As an optimal technical scheme of the utility model, draw the ripples groove and run through first absorbing wave layer, draw the fixed absorbing wave material coating that is equipped with of ripples inslot wall.
As an optimal technical scheme of the utility model, draw the ripples groove and run through the middle part that sets up at the second and inhale the ripples layer, the second is inhaled the fixed ripples inslot bottom of leading of ripples inslot portion and is equipped with and inhale ripples foam sponge piece.
As an optimal technical scheme of the utility model, the middle part of first insulating layer and second insulating layer, the position that corresponds with leading the ripples groove runs through and is equipped with wave absorption groove, wave absorption inslot portion is filled there is the ripples foam sponge of inhaling.
As an optimized technical scheme of the utility model, first insulating layer surface is equipped with polyurethane foaming thin layer, the inside cavity of first insulating layer sets up.
As an optimized technical scheme of the utility model, the inside water storage chamber that is provided with of second insulating layer, the inside fixed asbestos gauge that is equipped with in second insulating layer bottom.
The utility model has the advantages that: the broadband structure type high-temperature-resistant wave-absorbing material uses the wave-absorbing sponge, and has the advantages of technical moisture resistance, 80% humidity, unchanged wave-absorbing material performance, excellent broadband performance, and good scattering and isolation attenuation performances; the injection molding technology is used for ensuring the consistency of products; the wave-absorbing material has long service life and ensures that the performance is unchanged for more than 10 years; the wave-absorbing sponge and the wave-leading groove can be always kept in a good state to absorb waves by arranging the framework made of the hard wave-transmitting material to position the wave-absorbing sponge and the wave-leading groove, and meanwhile, a small part of electromagnetic waves can be guided into the wave-leading groove by using the framework made of the wave-transmitting material, so that the absorption effect of the material on the electromagnetic waves is improved; by the guide of the wave-guiding groove penetrating through the first wave-absorbing layer, a small amount of unabsorbed electromagnetic waves can enter the second wave-absorbing layer along the wave-guiding groove, and meanwhile, the wave-absorbing material coating on the inner wall of the wave-guiding groove can absorb the guided electromagnetic waves, so that the absorption effect of the material on the electromagnetic waves is improved; the guiding of the wave guide groove of the second wave-absorbing layer leads trace electromagnetic waves to be brought into the second wave-absorbing layer and be completely absorbed by the wave-absorbing layer, thus improving the complete absorption performance of the electromagnetic waves; the wave-absorbing grooves are arranged in the heat-insulating layer, so that the intensity of the electromagnetic waves can be weakened when the electromagnetic waves are just contacted, the effect of absorbing the incompletely absorbed electromagnetic waves again can be achieved, and the wave-absorbing effect is improved; through setting up the water storage chamber, can use the great physical property of specific heat capacity of water, increase the heat resistance of this material, the asbestos gauge high temperature resistance effect of bottom is showing, and the metal mesh radiating effect at edge is fine simultaneously.
Drawings
FIG. 1 is a schematic structural view of a broadband structure type high temperature resistant wave-absorbing material of the present invention;
FIG. 2 is a schematic structural view of a broadband structure type high temperature resistant wave-absorbing material of the present invention;
fig. 3 is a schematic structural view of the broadband structure type high temperature resistant wave-absorbing material of the present invention.
In the figure: 1. a first wave absorbing layer; 2. a second wave-absorbing layer; 3. a first insulating layer; 4. a second thermal insulation layer; 5. wave-absorbing sponge; 6. a wave guide groove; 7. a framework; 8. and a wave absorbing plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, the utility model relates to a wide band structure type high temperature resistant absorbing material, including first absorbing layer 1, the bottom mounting of first absorbing layer 1 is equipped with second absorbing layer 2, the fixed first insulating layer 3 that is equipped with in top of first absorbing layer 1, the bottom mounting of second absorbing layer 2 is equipped with second insulating layer 4, the fixed absorbing sponge 5 that is equipped with evenly distributed in top of first absorbing layer 1 and second absorbing layer 2, adjacent fixed leading ripples groove 6 that is equipped with between the sponge 5 that absorbs ripples, absorb ripples sponge 5 and leading the edge fixed connection skeleton 7 of ripples groove 6, the fixed ripples board 8 that absorbs ripples that is equipped with all around on the top of absorbing sponge 5.
The top of the wave-absorbing sponge 5 is arranged in a pyramid shape, the wave-absorbing sponge 5 is made of polyurethane foam sponge, and the wave-absorbing sponge has the advantages of technical moisture resistance, 80% humidity, unchanged wave-absorbing material performance, excellent broadband performance, and good scattering and isolation attenuation performance; the injection molding technology is used for ensuring the consistency of products; the wave-absorbing material has long service life and ensures that the performance is not changed for more than 10 years.
The framework 7 is fixedly arranged at the edge of each wave absorbing sponge 5 and each wave guiding groove 6, the framework 7 is made of hard wave-transmitting materials, the wave absorbing sponges and the wave guiding grooves are positioned by arranging the frameworks made of the hard wave-transmitting materials, the wave absorbing sponges and the wave guiding grooves can be kept in a good state to absorb waves all the time, meanwhile, the frameworks made of the wave-transmitting materials can guide a small part of electromagnetic waves into the wave guiding grooves, and the absorption effect of the materials on the electromagnetic waves is improved.
The wave-absorbing groove 6 penetrates through the first wave-absorbing layer 1, the inner wall of the wave-absorbing groove 6 is fixedly provided with a wave-absorbing material coating, a small amount of unabsorbed electromagnetic waves can enter the second wave-absorbing layer along the wave-absorbing groove through the guiding of the wave-absorbing groove penetrating through the first wave-absorbing layer, and meanwhile, the wave-absorbing material coating on the inner wall of the wave-absorbing groove can also absorb the guided electromagnetic waves, so that the absorption effect of the material on the electromagnetic waves is improved.
Wherein, wave guide groove 6 runs through the middle part of setting at second wave-absorbing layer 2, and wave guide groove 6 bottom of second wave-absorbing layer 2 inside is fixed and is equipped with and inhale ripples foam sponge piece, through the guide of the wave guide groove of second wave-absorbing layer, makes the inside of being brought into second wave-absorbing layer of micro-electromagnetic wave, is absorbed by the wave-absorbing layer completely, improves the complete performance of absorption to the electromagnetic wave.
Wherein, the middle part of first insulating layer 3 and second insulating layer 4, run through with the position that draws wave groove 6 to correspond and be equipped with the wave absorption groove, the inside packing of wave absorption groove has the wave absorption foam sponge, through set up the wave absorption groove in the insulating layer, can just weaken electromagnetic wave intensity in the time of just contacting the electromagnetic wave, also can play the effect of resorption once more to the electromagnetic wave that is not absorbed completely, improves the effect of inhaling the ripples.
Wherein, 3 surfaces of first insulating layer are equipped with polyurethane foam thin layer, and the inside cavity of first insulating layer 3 sets up, and through setting up the insulating layer that is equipped with polyurethane foam thin layer, its thermal insulation performance is good. The heat conductivity coefficient is about 0.025; the integral waterproof layer is formed, no seam exists, any polymer coiled material is not in time, and the maintenance workload is reduced.
Wherein, the inside water storage chamber that is provided with of second insulating layer 4, the inside fixed asbestos gauge that is equipped with in 4 bottoms of second insulating layer, through setting up the water storage chamber, the great physical property of specific heat capacity that can use the water increases the heat resistance of this material, and the asbestos gauge high temperature resistance effect of bottom is showing, and the metal mesh radiating effect at edge is fine simultaneously.
The working principle is as follows: when the electromagnetic waves contact the broadband structure type high-temperature-resistant wave-absorbing material, the original electromagnetic waves are weakened through the first heat-insulating layer under the action of the wave-absorbing grooves in the first heat-insulating layer and enter the first wave-absorbing layer, the electromagnetic waves are weakened and absorbed a lot through the absorption of the wave-absorbing sponge, a small amount of residual electromagnetic waves enter the second wave-absorbing layer along the wave-guiding grooves, the residual electromagnetic waves pass through the wave-guiding grooves and are absorbed by the wave-absorbing material coating in the wave-guiding grooves and are weakened again, the residual electromagnetic waves enter the second wave-absorbing layer and are absorbed by the wave-absorbing sponge in the second wave-absorbing layer again until the residual electromagnetic waves disappear completely, and the small amount of electromagnetic waves are absorbed again by the wave-absorbing grooves in the second heat-insulating layer; through setting up the water storage chamber, can use the great physical property of specific heat capacity of water, increase the heat resistance of this material, the asbestos gauge high temperature resistance effect of bottom is showing, and the metal mesh radiating effect at edge is fine simultaneously.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a wide band structure type high temperature resistant absorbing material, includes first ripples layer (1) of inhaling, its characterized in that, the bottom mounting of first ripples layer (1) is equipped with second and inhales ripples layer (2), the top mounting of first ripples layer (1) is equipped with first insulating layer (3), the bottom mounting of second ripples layer (2) is equipped with second insulating layer (4), the fixed sponge (5) of inhaling that are equipped with evenly distributed in top of first ripples layer (1) and second ripples layer (2), adjacent inhale fixed being equipped with between sponge (5) and draw ripples groove (6), inhale the edge fixed connection skeleton (7) of ripples sponge (5) and draw ripples groove (6), inhale the fixed ripples board (8) of inhaling that is equipped with all around on the top of sponge (5).
2. The broadband structure type high-temperature-resistant wave-absorbing material as claimed in claim 1, wherein the top of the wave-absorbing sponge (5) is arranged in a pyramid shape, and the wave-absorbing sponge (5) is made of polyurethane foam sponge.
3. The broadband structure type high-temperature-resistant wave-absorbing material according to claim 1, wherein the skeleton (7) is fixedly arranged at the edge of each wave-absorbing sponge (5) and each wave-guiding groove (6), and the skeleton (7) is made of a hard wave-transmitting material.
4. The broadband structure type high-temperature-resistant wave-absorbing material according to claim 1, wherein the wave-guiding groove (6) penetrates through the first wave-absorbing layer (1), and a wave-absorbing material coating is fixedly arranged on the inner wall of the wave-guiding groove (6).
5. The broadband structural high-temperature-resistant wave-absorbing material according to claim 1, wherein the wave-guiding groove (6) is arranged in the middle of the second wave-absorbing layer (2) in a penetrating manner, and a wave-absorbing foam sponge block is fixedly arranged at the bottom end of the wave-guiding groove (6) in the second wave-absorbing layer (2).
6. The broadband structural high-temperature-resistant wave-absorbing material according to claim 1, wherein wave-absorbing grooves are formed in the middle portions of the first heat-insulating layer (3) and the second heat-insulating layer (4) at positions corresponding to the wave-guiding grooves (6) in a penetrating manner, and wave-absorbing foam sponges are filled in the wave-absorbing grooves.
7. The broadband structural high-temperature-resistant wave-absorbing material according to claim 1, wherein a polyurethane foam thin layer is arranged on the surface of the first heat-insulating layer (3), and the first heat-insulating layer (3) is arranged in a hollow manner.
8. The broadband structural high-temperature-resistant wave-absorbing material as claimed in claim 1, wherein a water storage cavity is arranged inside the second heat-insulating layer (4), and an asbestos mesh is fixedly arranged inside the bottom end of the second heat-insulating layer (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021414012.6U CN212232013U (en) | 2020-07-17 | 2020-07-17 | Broadband structure type high-temperature-resistant wave-absorbing material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021414012.6U CN212232013U (en) | 2020-07-17 | 2020-07-17 | Broadband structure type high-temperature-resistant wave-absorbing material |
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| CN212232013U true CN212232013U (en) | 2020-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747013A (en) * | 2021-09-03 | 2021-12-03 | 福建星宏新材料科技有限公司 | Anti-electromagnetic wave detection camera and anti-detection method |
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2020
- 2020-07-17 CN CN202021414012.6U patent/CN212232013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747013A (en) * | 2021-09-03 | 2021-12-03 | 福建星宏新材料科技有限公司 | Anti-electromagnetic wave detection camera and anti-detection method |
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