CN112659673A - High-frequency electromagnetic wave absorption film with high thermal conductivity and production device thereof - Google Patents
High-frequency electromagnetic wave absorption film with high thermal conductivity and production device thereof Download PDFInfo
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- CN112659673A CN112659673A CN202011504480.7A CN202011504480A CN112659673A CN 112659673 A CN112659673 A CN 112659673A CN 202011504480 A CN202011504480 A CN 202011504480A CN 112659673 A CN112659673 A CN 112659673A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 55
- 238000005507 spraying Methods 0.000 claims description 47
- 239000007921 spray Substances 0.000 claims description 19
- 238000004064 recycling Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 239000002245 particle Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- -1 graphite alkene Chemical class 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910021389 graphene Inorganic materials 0.000 description 15
- 238000004804 winding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
The invention discloses a high-frequency electromagnetic wave absorption film with high thermal conductivity and a production device thereof, relates to the technical field of functional films, and aims at solving the problem that the existing absorption film is narrow in application range.
Description
Technical Field
The invention relates to the technical field of functional films, in particular to a high-frequency electromagnetic wave absorption film with high thermal conductivity and a production device thereof.
Background
The electromagnetic wave absorption film has the main functions of shielding electromagnetic waves, reducing the influence caused by electromagnetic radiation, ensuring the stability and safety of data transmission in a device to be protected and realizing necessary technical protection.
The existing absorption film is generally only blocked and shielded by a plurality of metal layers, and although a certain shielding effect can be achieved, the existing absorption film generally has certain defects in flexibility and thickness, so that the use is inconvenient, and the application range is narrow.
Disclosure of Invention
The invention provides a high-frequency electromagnetic wave absorption film with high thermal conductivity and a production device thereof, which solve the problem that the existing absorption film is narrow in application range.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a high frequency electromagnetic wave absorption membrane with high heat conductivity, includes the base film, it has first graphite alkene layer to bond on the base film, the upside hot pressing of first graphite alkene layer has the stable layer, it has the copper wire net to inlay in the stable layer, the upside of stable layer bonds and has a plurality of reflection grains, the outside of reflection grain is provided with the adhesive linkage, adhesive linkage one side is connected with second graphite alkene layer, the upside of second graphite alkene layer is connected with the inoxidizing coating.
Preferably, the copper wire mesh is of a net structure, and the stabilizing layer is made of heat-conducting rubber.
Preferably, the base film and the protective layer are filled with pigment, and the color of the pigment is black.
Preferably, the reflective particles comprise magnetic sheets at the innermost layer, and the outer surfaces of the magnetic sheets are plated with silver layers.
The utility model provides a apparatus for producing of high frequency electromagnetic wave absorption membrane with high thermal conductivity, includes the work box, first spray booth, first room, the second spray booth, the room is pasted to the second, the room is pasted to the third and the room is pasted to the third in the work box has set gradually, be provided with in first spray booth, the second spray booth and the third spray booth with work box fixed connection's spraying device, spraying device's below is provided with the recovery unit with work box fixed connection, all be provided with the material feeding unit who is connected with the work box case in first spray booth, the second is pasted the room and the third is pasted, material feeding unit's centre is provided with the pressure device who rotates with the work box and is connected, one side fixedly connected with preheating cabinet of work box, fixedly connected with first heater strip in the preheating cabinet, be provided with the raw materials that run through the work box in the preheating cabinet.
Preferably, the spraying device comprises a storage box fixedly connected with the working box, the top of the storage box is connected with a feeding pipe, a spraying machine is fixedly connected in the working box, the input end of the spraying machine is connected with the storage box, and the output end of the spraying machine is connected with a spraying head located above the raw materials.
Preferably, the recovery unit includes the collection box with work box fixed connection, the upside fixedly connected with air pump of collection box, the output and the collection box of air pump are connected, the input of air pump is connected with the extension pipe, and the other end of extension pipe is connected with the case of breathing in, the outer wall fixedly connected with and the work box fixed connection's of case of breathing in separate the frame, a plurality of filters of fixedly connected with in the collection box, one side of collection box is connected with the recovery door, the top fixedly connected with and the work box fixed connection's of collection box outlet duct is located the second spray booth the top of recovery unit be provided with work box fixed connection's supersonic generator.
Preferably, material feeding unit includes the defeated material roller of being connected with the work box rotation, the winding has the addition material on the defeated material roller, it is connected with the steering roll to rotate on the work box, the below of steering roll is provided with the limited roller of being connected with the work box rotation, passing of addition material turns to the roller and the limited roller contacts with the raw materials.
Preferably, the pressurizing device comprises a pressurizing roller rotatably connected with the working box, a plurality of second heating wires are fixedly connected in the pressurizing roller, and one side of the pressurizing roller is connected with an electric brush.
Preferably, all be provided with between first spray booth, first room, the second spray booth of pasting, the second room, the third spray booth and the third room of pasting with work box fixed connection's protection curtain, the protection curtain adopts flexible ABS plastics, one side of work box is rotated and is connected with the maintenance door.
The invention has the beneficial effects that:
1: through be provided with multiple absorption and the material of reflection electromagnetic wave on the basic unit, carry out electromagnetic wave reflection and absorption, the isolation of the electromagnetic wave of assurance, thickness is less simultaneously, and ductility preferred can finely adapt to different work needs, adapts to well, and the rate of utilization is high.
2: through the mutual combination of a plurality of devices, the absorption film can be produced at one time, the multiple transfer or other steps are reduced, the production efficiency is increased, the production cost is reduced, and the productivity is increased.
Drawings
FIG. 1 is a schematic view showing a layer structure of a high frequency electro-magnetic wave absorption film having high thermal conductivity and a manufacturing apparatus thereof according to the present invention;
fig. 2 is a front sectional view schematically illustrating a high frequency electro-magnetic wave absorption film having high thermal conductivity and a manufacturing apparatus thereof according to the present invention.
Reference numbers in the figures: 1. a base film; 2. a first graphene layer; 3. a copper wire mesh; 4. a stabilizing layer; 5. reflective particles; 6. an adhesive layer; 7. a second graphene layer; 8. a protective layer; 9. a material storage box; 10. a delivery roller; 11. a feed pipe; 12. a pressure roller; 13. an air pump; 14. an air suction box; 15. an extension pipe; 16. an air outlet pipe; 17. a recycling bin; 18. a filter plate; 19. a spray coater; 20. a second heating wire; 22. a spacer; 23. an injector head; 24. a protective curtain; 25. defining a roller; 26. an ultrasonic generator; 27. a turning roll; 28. a preheating box; 29. a first heater wire; 31. a third pasting chamber; 32. a third spray chamber; 33. a second pasting chamber; 34. a second spray chamber; 35. a first pasting chamber; 36. a first spray booth; 37. a work box; 38. raw materials; 39. and (4) adding materials.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a high-frequency electromagnetic wave absorption film with high thermal conductivity, comprising a base film 1, a first graphene layer 2 adhered on the base film 1, a stabilizing layer 4 adhered on the upper side of the first graphene layer 2 by hot pressing, a copper wire mesh 3 embedded in the stabilizing layer 4, a plurality of reflective particles 5 adhered on the upper side of the stabilizing layer 4, an adhesive layer 6 arranged on the outer side of the reflective particles 5, a second graphene layer 7 connected on one side of the adhesive layer 6, a protective layer 8 connected on the upper side of the second graphene layer 7, the base film 1 supporting the device and adding each subsequent layer to ensure subsequent work, the base film 1 can adopt high molecular polymer to ensure each performance, then when in production, the first graphene layer 2 coated with the first layer is lifted for final reflection and absorption, then the stabilizing layer 4 is connected on the first graphene layer 2, when the copper wire mesh of the copper wire mesh 3 in the stabilizing layer 4 is transmitted by electromagnetic waves, the second shielding is carried out, then the reflection particle 5 that sprays on the stable layer 4, mainly carry out the reflection of electromagnetic wave, then cancel each other between the partial wave that reflects on reflection particle 5 and the electromagnetic wave that comes the transmission, reduce or cancel its amplitude, carry out supplementary blockking, it pastes layer 6 to fill on reflection particle 5, guarantee the position stability of reflection particle 5, then coat the graphite alkene layer 7 of second floor on pasting layer 6, carry out the absorption of first floor and block, also carry out secondary absorption along with the electromagnetic wave that emits on emission particle 5 simultaneously, inoxidizing coating 8 adopts the same material with basic unit 1, protect the internal level.
Pigment is filled in the base film 1 and the protective layer 8, the color of the pigment is black, the black absorbs part of electromagnetic waves with certain frequency by utilizing the advantages of the color, and the absorption effect of the film is enhanced.
The reflective particles 5 comprise magnetic sheets at the innermost layer, silver layers are plated on the outer surfaces of the magnetic sheets, high reflection is carried out through the silver, and meanwhile, electromagnetic reaction is generated between the magnetic sheets and electromagnetic waves, so that the energy of the electromagnetic waves is reduced, and the effect is enhanced.
A production device of a high-frequency electromagnetic wave absorption film with high thermal conductivity comprises a working box 37, wherein a first spraying chamber 36, a first pasting chamber 35, a second spraying chamber 34, a second pasting chamber 33, a third spraying chamber 32 and a third pasting chamber 31 are sequentially arranged in the working box 37, spraying devices fixedly connected with the working box 37 are arranged in the first spraying chamber 36, the second spraying chamber 34 and the third spraying chamber 32, a recovery device fixedly connected with the working box 37 is arranged below the spraying devices, feeding devices connected with the working box 37 are respectively arranged in the first pasting chamber 35, the second pasting chamber 33 and the third pasting chamber 31, a pressurizing device rotatably connected with the working box 37 is arranged in the middle of the feeding devices, a preheating box 28 is fixedly connected to one side of the working box 37, a first heating wire 29 is fixedly connected in the preheating box 28, a raw material 38 penetrating through the working box 37 is arranged in the preheating box 28, when the device works, a raw material 38, namely a base layer 1 passes through a working box 37 and sequentially passes through each device, then the other end of the raw material is connected with a winding machine for fixing, the raw material is filled in each device, the device is ready for working, then a power supply is switched on, a spraying device in a first spraying chamber 36 sprays a first layer of graphene, then the graphene enters a first pasting chamber 35 and is conveyed by a feeding device to enter the base layer 1, an additive on the first pasting chamber 35 is a stabilizing layer 4, the graphene 2, the base layer 1 and the stabilizing layer 4 are connected with each other through a hot pressing device in a hot pressing mode, then the graphene enters a second spraying chamber 34, a spraying device is used for reflecting particles 5, the emitting particles 5 are sprayed on the stabilizing layer 4 to be clamped, then the graphene enters a second pasting chamber 33 to be pasted with a layer 6, and then the graphene enters a third spraying chamber 32, and spraying the second layer of graphene 7, finally entering a third pasting chamber 31, pasting the final protective layer 8, and finally winding the protective layer onto a winding machine to complete production.
The spraying device comprises a storage box 9 fixedly connected with a working box 37, the top of the storage box 9 is connected with a feeding pipe 11, a spraying machine 19 is fixedly connected in the working box 37, the input end of the spraying machine 19 is connected with the storage box 9, the spraying head 23 which is positioned above the raw material 38 and is connected with the output end of the spraying machine 19, the storage box 9 stores the raw material, then the spraying machine 19 works, so that the powder raw material in the storage box 9 is sprayed out through the spraying head 23, and production is completed.
The recycling device comprises a recycling box 17 fixedly connected with a working box 37, an air pump 13 is fixedly connected on the upper side of the recycling box 17, the output end of the air pump 13 is connected with the recycling box 17, the input end of the air pump 13 is connected with an extension pipe 15, the other end of the extension pipe 15 is connected with an air suction box 14, the outer wall of the air suction box 14 is fixedly connected with a partition frame 22 fixedly connected with the working box 37, a plurality of filter plates 18 are fixedly connected in the recycling box 17, one side of the recycling box 17 is connected with a recycling door, the top of the recycling box 17 is fixedly connected with an air outlet pipe 16 fixedly connected with the working box 37, an ultrasonic generator 26 fixedly connected with the working box 37 is arranged above the recycling device in a second spraying chamber 34, and during the working process, redundant dust generated during the spraying work enters the air suction box 14 along the air flow through the operation of the air pump 13, then enters a recovery box 17 along the extension pipe 15 for recovery and collection, and is filtered by a filter plate 18 and discharged from an air outlet pipe 16 to finish the collection.
The feeding device comprises a material conveying roller 10 rotatably connected with a working box 37, an additive 39 is wound on the material conveying roller 10, a steering roller 27 is rotatably connected on the working box 37, a limiting roller 25 rotatably connected with the working box 37 is arranged below the steering roller 27, the additive 39 penetrates through the steering roller 27 and the limiting roller 25 to be in contact with a raw material 38, and when feeding is carried out, the raw material on the plastic roller 10 penetrates through the steering roller 27 and the limiting roller 25, then penetrates through the working box 37, is connected to a winding roller along with the base layer 1 and moves.
The pressurizing device comprises a pressurizing roller 12 which is rotatably connected with the working box 37, a plurality of second heating wires 20 are fixedly connected in the pressurizing roller 12, one side of the pressurizing roller 12 is connected with an electric brush, the electric brush works to provide electric energy for the second heating wires which rotate inside, and the pressurizing force is applied by the upper pressurizing roller 12 and the lower pressurizing roller 12 simultaneously, so that the layers are guaranteed to be spliced.
Protective curtains 24 fixedly connected with a working box 37 are arranged among the first spraying chamber 36, the first pasting chamber 35, the second spraying chamber 34, the second pasting chamber 33, the third spraying chamber 32 and the third pasting chamber 31, the protective curtains 24 are made of flexible ABS plastics, one side of the working box 37 is rotatably connected with a maintenance door, and the protective curtains 24 are used for separating the chambers to ensure the work of the chambers.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a high frequency electromagnetic wave absorption membrane with high thermal conductivity, includes base film (1), its characterized in that, it has first graphite alkene layer (2) to bond on base film (1), the upside hot pressing of first graphite alkene layer (2) has stabilizer layer (4), it has copper wire net (3) to inlay in stabilizer layer (4), the upside of stabilizer layer (4) bonds and has a plurality of reflection grain (5), the outside of reflection grain (5) is provided with adhesive linkage (6), adhesive linkage (6) one side is connected with second graphite alkene layer (7), the upside of second graphite alkene layer (7) is connected with inoxidizing coating (8).
2. The high frequency electro-magnetic wave absorption film having high thermal conductivity as claimed in claim 1, wherein the copper wire mesh (3) has a mesh structure, and the stabilizing layer (4) has a heat conductive rubber material.
3. The high frequency electromagnetic wave absorption film having high thermal conductivity as set forth in claim 1, wherein the base film (1) and the protective layer (8) are filled with a pigment having a black color.
4. The high frequency electromagnetic wave absorption film having high thermal conductivity as set forth in claim 1, wherein the reflective particles (5) comprise an innermost magnetic sheet, an outer surface of which is coated with a silver layer.
5. A production device of a high-frequency electromagnetic wave absorption film with high thermal conductivity comprises a working box (37), and is characterized in that a first spraying chamber (36), a first pasting chamber (35), a second spraying chamber (34), a second pasting chamber (33), a third spraying chamber (32) and a third pasting chamber (31) are sequentially arranged in the working box (37), spraying devices fixedly connected with the working box (37) are arranged in the first spraying chamber (36), the second spraying chamber (34) and the third spraying chamber (32), a recovery device fixedly connected with the working box (37) is arranged below the spraying devices, feeding devices connected with the working box (37) are arranged in the first pasting chamber (35), the second pasting chamber (33) and the third pasting chamber (31), and a pressurizing device rotationally connected with the working box (37) is arranged in the middle of the feeding devices, one side of the working box (37) is fixedly connected with a preheating box (28), a first heating wire (29) is fixedly connected in the preheating box (28), and raw materials (38) penetrating through the working box (37) are arranged in the preheating box (28).
6. The manufacturing apparatus of a high-frequency electro-magnetic wave absorption film with high thermal conductivity as claimed in claim 5, wherein the spraying apparatus comprises a storage tank (9) fixedly connected to a work tank (37), a feeding pipe (11) is connected to the top of the storage tank (9), a spraying machine (19) is fixedly connected to the inside of the work tank (37), the input end of the spraying machine (19) is connected to the storage tank (9), and the output end of the spraying machine (19) is connected to a spraying head (23) located above the raw material (38).
7. The manufacturing apparatus of a high-frequency electro-magnetic wave absorption film having high thermal conductivity according to claim 5, wherein the recycling apparatus includes a recycling tank (17) fixedly connected to a work tank (37), an air pump (13) is fixedly connected to an upper side of the recycling tank (17), an output end of the air pump (13) is connected to the recycling tank (17), an input end of the air pump (13) is connected to an extension pipe (15), and another end of the extension pipe (15) is connected to an air suction tank (14), a partition frame (22) fixedly connected to the work tank (37) is fixedly connected to an outer wall of the air suction tank (14), a plurality of filter plates (18) are fixedly connected to the inside of the recycling tank (17), a recycling door is connected to one side of the recycling tank (17), and an air outlet pipe (16) fixedly connected to the work tank (37) is fixedly connected to a top of the recycling tank (17), an ultrasonic generator (26) fixedly connected with the working box (37) is arranged above the recovery device in the second spraying chamber (34).
8. The apparatus for manufacturing a high-frequency electro-magnetic wave absorption film with high thermal conductivity as claimed in claim 5, wherein said feeding means comprises a feeding roller (10) rotatably connected to a work box (37), said feeding roller (10) is wound with an additive (39), said work box (37) is rotatably connected to a turning roller (27), a limiting roller (25) rotatably connected to said work box (37) is disposed below said turning roller (27), and said additive (39) passes through said turning roller (27) and said limiting roller (25) and contacts with said raw material (38).
9. The manufacturing apparatus of a high-frequency electro-magnetic wave absorption film having high thermal conductivity as set forth in claim 5, wherein said pressurizing means includes a pressurizing roller (12) rotatably connected to a work box (37), a plurality of second heating wires (20) being fixedly connected to the inside of said pressurizing roller (12), and a brush being connected to one side of said pressurizing roller (12).
10. The manufacturing apparatus of a high-frequency electro-magnetic wave absorption film with high thermal conductivity as claimed in claim 5, wherein a protective curtain (24) fixedly connected with a working box (37) is arranged between the first spray chamber (36), the first pasting chamber (35), the second spray chamber (34), the second pasting chamber (33), the third spray chamber (32) and the third pasting chamber (31), the protective curtain (24) is made of flexible ABS plastic, and a maintenance door is rotatably connected to one side of the working box (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504480.7A CN112659673A (en) | 2020-12-18 | 2020-12-18 | High-frequency electromagnetic wave absorption film with high thermal conductivity and production device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011504480.7A CN112659673A (en) | 2020-12-18 | 2020-12-18 | High-frequency electromagnetic wave absorption film with high thermal conductivity and production device thereof |
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| Title |
|---|
| 北大路刚, 北京：人民邮电出版社 * |
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Application publication date: 20210416 |