CN215292233U - Double-layer insulation shielding door and square cabin - Google Patents
Double-layer insulation shielding door and square cabin Download PDFInfo
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- CN215292233U CN215292233U CN202120847485.3U CN202120847485U CN215292233U CN 215292233 U CN215292233 U CN 215292233U CN 202120847485 U CN202120847485 U CN 202120847485U CN 215292233 U CN215292233 U CN 215292233U
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Abstract
The utility model relates to a shielding shelter technical field provides a double-deck insulation shield door, but including bridge cut-off aluminium door frame and shutoff the door body of the door opening that bridge cut-off aluminium door frame formed, bridge cut-off aluminium door frame is two-layer aluminum profile struction, just it has shielding screen liner to be close to one side packing in the door in the bridge cut-off aluminium door frame, just it has shielding screen liner and water proof seal strip to be close to inside and outside one side packing in the bridge cut-off aluminium door frame. Still provide a shelter, including the cabin body, the door opening has been seted up to the cabin body, still includes foretell double-deck insulation shield door, broken bridge aluminum door frame install in the door opening department of the cabin body. The utility model discloses a behind the double-deck insulation structure section bar, the shielding efficiency of shield door is about double of individual layer shielding efficiency, through adjustment shielding silk screen liner and the electrically conductive processing technology ability relatively easy 60dB who realizes the door of surface, 80dB electromagnetic shield performance even, the simultaneous manufacturing cost can reduce 50% through the aassessment, and the heat-proof quality improves 15%, has better suitability.
Description
Technical Field
The utility model relates to a shielding shelter technical field specifically is a double-deck insulating shield door and shelter.
Background
In recent years, with the increasing progress of informatization, electromagnetic interference has become one of the determining factors for the normal operation of information equipment. The electromagnetic shielding shelter is increasingly applied to a battlefield as a common military equipment carrier, the requirement on electromagnetic shielding is continuously improved, and the requirement is gradually increased to 80dB from original 40dB and 60 dB. The door is used as the largest hole of the shielding shelter, and the overall shielding performance of the shelter is directly determined by the electromagnetic shielding performance of the door.
The existing conventional shielding shelter adopts a sandwich large plate structure, the large plate is formed by pressing inner and outer aluminum or steel skin composite polyurethane foam, the large plate can form a double-layer electromagnetic shielding Faraday cage, the shielding efficiency is basically the sum of double-layer shielding efficiency (the reflection loss influence is maximum-6 dB), but at a shielding door, the existing shelter door section is formed by drawing integral forged aluminum, and the shielding efficiency is greatly reduced compared with double-layer shielding due to internal and external conduction. The shielding efficiency of the shelter door processed by adopting the aluminum profile without installing the reed can only reach about 40 dB; the square cabin door adopting the reed mounting mode can reach 60 dB-80 dB according to the difference of the number of layers of the reeds, but the opening force of the door after the reeds are used is greatly increased, and the surface processing difficulty and the mounting complexity are greatly improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck insulating shield door and shelter adopt the filler that the bridge cut-off aluminium door frame cooperation shielded the electromagnetic wave, both strengthened electromagnetic shield's performance, have the heat-proof quality again.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a double-deck insulating shield door, includes bridge cut-off aluminium door frame and can the shutoff the door body in the door opening that bridge cut-off aluminium door frame formed, bridge cut-off aluminium door frame is two-layer aluminum profile struction, just one side packing that is close to in the bridge cut-off aluminium door frame has shielding wire net liner, just one side packing that is close to inside and outside in the bridge cut-off aluminium door frame has shielding wire net liner and waterproof sealing strip.
Furthermore, two layers of insulating nonmetal structures are embedded between the aluminum profile structures.
Further, the thickness of the non-metal insulation structure from the inside of the door to the outside of the door is not less than 17 mm.
Further, the door body is of a three-layer structure from the inside to the outside of the door, the inner layer structure and the outer layer structure are both aluminum plates, and the middle layer structure is filled with polyurethane foam.
Furthermore, the outer surface of the aluminum plate is plated with an oxide film.
Further, the door body is mounted on the bridge cut-off aluminum door frame through a hinge, and the hinge is mounted on a hinge mounting embedded structure of the bridge cut-off aluminum door frame.
The embodiment of the utility model provides another kind of technical scheme: the utility model provides a shelter, includes the cabin body, the door opening has been seted up to the cabin body, still includes foretell double-deck insulation shield door, broken bridge aluminium door frame install in the door opening department of the cabin body.
Furthermore, a glass reinforced plastic framework is arranged at the door opening of the cabin body, and the broken bridge aluminum door frame is riveted with the glass reinforced plastic framework.
Further, the bridge cut-off aluminum door frame and the cabin body are connected through aluminum rivets.
Compared with the prior art, the beneficial effects of the utility model are that: after the double-layer insulating structure section bar is adopted, the shielding efficiency of the shielding door is about double of that of a single layer, the 60dB and even 80dB electromagnetic shielding performance of the door can be easily realized by adjusting the shielding wire mesh gasket and the surface conductive treatment process, meanwhile, the manufacturing cost can be reduced by 50 percent through evaluation, the heat insulation performance is improved by 15 percent, and the double-layer insulating structure section bar has better applicability.
Drawings
Fig. 1 is an external schematic view of a double-layer insulation shield door according to an embodiment of the present invention;
fig. 2 is an inner schematic view of a double-layer insulation shield door according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of a double-layer insulating shield door according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a door frame of a double-layer insulation shield door according to an embodiment of the present invention;
in the reference symbols: 1-bridge cut-off aluminum door frame; 10-aluminum profile structure; 11-shielding wire mesh gasket; 12-waterproof sealing strips; 13-a non-metallic structure; 2-a door body; 20-a door handle; 21-door lock; 22-unlocking screw; 23-polyurethane foam; 24-a skin; 3-aluminum rivets; 4-a hinge; 5-glass steel skeleton.
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.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a double-layer insulation shielding door, including a bridge cut-off aluminum door frame 1 and a door body 2 capable of plugging a door opening formed by the bridge cut-off aluminum door frame 1, where the bridge cut-off aluminum door frame 1 is a two-layer aluminum profile structure 10, and a shielding wire mesh gasket 11 is filled in one side of the bridge cut-off aluminum door frame 1 close to the door, and a shielding wire mesh gasket 11 and a waterproof sealing strip 12 are filled in one side of the bridge cut-off aluminum door frame 1 close to the inside and the outside. In this embodiment, after the double-layer insulating structural section is adopted, the shielding effectiveness of the shielding door is about double that of a single-layer shielding door, 60dB, even 80dB, of the electromagnetic shielding performance of the door can be easily achieved by adjusting the shielding wire mesh gasket 11 and the surface conductive processing process, and meanwhile, the manufacturing cost can be reduced by 50% through evaluation, the heat-insulating performance is improved by 15%, and the double-layer insulating structural section has good applicability. In particular, the bridge-cut-off aluminum is a common aluminum profile which has insulating and heat-insulating properties, and the door frame prepared by the bridge-cut-off aluminum profile also has the characteristics. The electromagnetic shielding performance can be further improved after the shielding wire mesh gasket 11 is filled in the waterproof sealing strip 12, and the waterproof sealing strip can play a role in isolating rainwater when the waterproof sealing strip is filled on the side close to the outside of the door. Overall structure is uncomplicated, easily realizes, compares in the current form through increasing the reed number of piles, greatly reduced the processing degree of difficulty and installation complexity.
As an optimized scheme of the embodiment of the present invention, please refer to fig. 4, two layers of the aluminum profile structure 10 are embedded with an insulating non-metal structure 13. Preferably, the thickness of the nonmetallic nonconductive structure 13 is not less than 17 mm. And the non-metal structure 13 is preferably nylon PA66, which can be connected with the aluminum profile structure 10, separate the two-layer aluminum profile structure 10, form a two-layer Faraday cage, and block a heat conduction path.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the door body 2 is a three-layer structure from the inside to the outside of the door, the two-layer structure is an aluminum plate, and the middle layer structure is filled with polyurethane foam 23. In this embodiment, the door body 2 also has a sandwich structure like a cabin body, and specifically comprises a conductive oxidized hard antirust aluminum plate and polyurethane foam 23 filled in the middle, and the plated oxide film can prevent rust. In addition, the door body 2 is also provided with a door handle 20 and a three-point type shelter door lock, the door lock 21 is locked by using a padlock, an unlocking screw 22 is arranged on the inner side of the door lock 21, a shielding treatment measure is adopted to eliminate leakage at the position of the door lock 21, and locking or unlocking is also realized.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 3, the door body 2 is installed on the bridge cut-off aluminum door frame 1 through the hinge 4, and the hinge 4 is installed on the hinge 4 installation embedded structure of the bridge cut-off aluminum door frame 1. In this embodiment, the door body 2 is opened and closed through the hinge 4, and a hinge 4 installation embedded structure can be arranged in the bridge-cut-off aluminum door frame 1, so that the installation of the hinge 4 is facilitated. Preferably, the hinge 4 comprises an upper hinge, a lower hinge and a shaft body, and the two hinges and the shaft body are combined to form a stable hinge structure.
Referring to fig. 1 to 4, an embodiment of the present invention provides a shelter, which includes a cabin body, wherein a door opening is formed in the cabin body, and further includes the above-mentioned double-layer insulation shielding door, and the bridge cut-off aluminum door frame 1 is installed at the door opening of the cabin body. In this embodiment, the double-layer insulating shield door is used in the shelter, and after the double-layer insulating structural section bar is adopted, the shielding effectiveness of the shield door is about double of that of a single-layer shield door, and by adjusting the shielding wire mesh gasket 11 and the surface conductive processing process, the electromagnetic shielding performance of the door can be easily realized by 60dB, even 80dB, and meanwhile, the manufacturing cost can be reduced by 50% through evaluation, the heat insulation performance can be improved by 15%, and the double-layer insulating shield door has better applicability. In particular, the bridge-cut-off aluminum is a common aluminum profile which has insulating and heat-insulating properties, and the door frame prepared by the bridge-cut-off aluminum profile also has the characteristics. The electromagnetic shielding performance can be further improved after the shielding wire mesh gasket 11 is filled in the waterproof sealing strip 12, and the waterproof sealing strip can play a role in isolating rainwater when the waterproof sealing strip is filled on the side close to the outside of the door. Overall structure is uncomplicated, easily realizes, compares in the current form through increasing the reed number of piles, greatly reduced the processing degree of difficulty and installation complexity. Preferably, the aluminum profile structure 10 body is subjected to conductive oxidation treatment, so that the aluminum profile structure can prevent rust.
As an optimized scheme of the embodiment of the present invention, please refer to fig. 3, the door opening of the cabin body is provided with a glass reinforced plastic frame 5, and the bridge cut-off aluminum door frame 1 is riveted with the glass reinforced plastic frame 5. In this embodiment, four sides of the door opening are composed of the glass reinforced plastic frameworks 5 with corresponding sizes, and the periphery of the door frame is closely attached to the inner skin 24 and the outer skin 24 to form an opening corresponding to the riveting of the glass reinforced plastic frameworks 5, so as to complete the fixing of the door frame and the shelter body.
As an optimized scheme of the embodiment of the present invention, please refer to fig. 1 and fig. 2, the bridge-cut-off aluminum door frame 1 and the cabin are connected by aluminum rivets 3. In this embodiment, the cabin body and the bridge cut-off aluminum door frame 1 are connected through the aluminum rivets 3 with the distance smaller than 40mm, so that the leakage gap is eliminated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A double-deck insulating shield door which characterized in that: but including bridge cut-off aluminium door frame and shutoff the door body in the door opening that bridge cut-off aluminium door frame formed, bridge cut-off aluminium door frame is two-layer aluminum profile structure, just one side packing that is close to in the bridge cut-off aluminium door frame has shielding wire net liner, just one side packing that is close to inside and outside in the bridge cut-off aluminium door frame has shielding wire net liner and waterproof sealing strip.
2. The double-layer insulating barrier door of claim 1, wherein: and an insulating non-metal structure is embedded between the two layers of aluminum profile structures.
3. The double-layer insulating barrier door of claim 2, wherein: the thickness of the non-metal insulation structure from the inside of the door to the outside of the door is not less than 17 mm.
4. The double-layer insulating barrier door of claim 1, wherein: the door body is a three-layer structure from the inside to the outside of the door, the inner layer structure and the outer layer structure are both aluminum plates, and the middle layer structure is filled with polyurethane foam plastic.
5. The double-layer insulating barrier door of claim 4, wherein: the outer surface of the aluminum plate is plated with an oxide film.
6. The double-layer insulating barrier door of claim 1, wherein: the door body is installed on the bridge cut-off aluminum door frame through a hinge, and the hinge is installed on a hinge installation embedded structure of the bridge cut-off aluminum door frame.
7. The utility model provides a shelter, includes the cabin body, the door opening has been seted up to the cabin body, its characterized in that: the double-layer insulation shield door as claimed in any one of claims 1 to 6, wherein the bridge-cut aluminum door frame is installed at the door opening of the cabin.
8. The shelter of claim 7 wherein: the door opening of the cabin body is provided with a glass steel framework, and the broken bridge aluminum door frame is riveted with the glass steel framework.
9. The shelter of claim 7 wherein: the bridge cut-off aluminum door frame and the cabin body are connected through aluminum rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120847485.3U CN215292233U (en) | 2021-04-23 | 2021-04-23 | Double-layer insulation shielding door and square cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120847485.3U CN215292233U (en) | 2021-04-23 | 2021-04-23 | Double-layer insulation shielding door and square cabin |
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| Publication Number | Publication Date |
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| CN215292233U true CN215292233U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120847485.3U Active CN215292233U (en) | 2021-04-23 | 2021-04-23 | Double-layer insulation shielding door and square cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115515410A (en) * | 2022-09-28 | 2022-12-23 | 北京航空航天大学 | Light-weight magnetic shielding room based on iron-based amorphous material |
-
2021
- 2021-04-23 CN CN202120847485.3U patent/CN215292233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115515410A (en) * | 2022-09-28 | 2022-12-23 | 北京航空航天大学 | Light-weight magnetic shielding room based on iron-based amorphous material |
| CN115515410B (en) * | 2022-09-28 | 2023-07-04 | 北京航空航天大学 | Light-weight magnetic shielding room based on iron-based amorphous material |
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