CN220768411U - Microwave darkroom with adjustable assembled shielding shell - Google Patents
Microwave darkroom with adjustable assembled shielding shell Download PDFInfo
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- CN220768411U CN220768411U CN202322137817.0U CN202322137817U CN220768411U CN 220768411 U CN220768411 U CN 220768411U CN 202322137817 U CN202322137817 U CN 202322137817U CN 220768411 U CN220768411 U CN 220768411U
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- 239000011257 shell material Substances 0.000 claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 31
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 10
- 239000008397 galvanized steel Substances 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000006261 foam material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 32
- 238000005187 foaming Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model relates to the technical field of microwave darkrooms, in particular to a microwave darkroom with an adjustable spliced shielding shell, which comprises a microwave darkroom body, a shielding shell splicing mechanism and a shielding shell material composition mechanism, wherein the shielding shell splicing mechanism and the shielding shell material composition mechanism are positioned outside the microwave darkroom body; according to the utility model, through the shielding shell splicing mechanism, the adjusting block at one side of the connecting block at the rotation angle part drives the bidirectional screw rod to rotate, so as to drive the sliding block and the limiting block to move inwards, and limit splicing is carried out on the rear wall of the shielding shell and the side wall of the shielding shell.
Description
Technical Field
The utility model relates to the technical field of microwave darkrooms, in particular to a microwave darkroom with an adjustable assembled shielding shell.
Background
The received signals of electronic devices such as satellite navigation, communication systems, radars and the like are usually very weak, and the signals are easily affected by various interferences in the propagation process. Therefore, the terminal equipment such as satellite navigation and the like must have a certain anti-interference performance to ensure the normal work of the terminal equipment, and in order to effectively test the anti-interference performance of the satellite navigation terminal, a microwave darkroom can be built to simulate and launch satellite constellation signals and various interference signals.
However, the existing shielding shells of some microwave darkrooms are usually welded, but the tightness and the firmness of the shielding shells cannot be enhanced at the internal corners, so that the shielding effect of the microwave darkroom on microwaves is greatly reduced, radar microwave radiation is easily emitted, and the human body is easily damaged.
Disclosure of Invention
The utility model aims to provide a microwave darkroom with an adjustable assembled shielding shell, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a microwave darkroom capable of adjusting and assembling shielding cases comprises a microwave darkroom body, a shielding case splicing mechanism and a shielding case material composition mechanism, wherein the shielding case splicing mechanism and the shielding case material composition mechanism are positioned outside the microwave darkroom body;
the shielding shell splicing mechanism comprises a corner connecting block, a bidirectional screw rod is arranged in the corner connecting block, sliding blocks are arranged on two sides of the bidirectional screw rod, limiting blocks are fixed below the sliding blocks, shielding shell side walls are arranged on one sides of the limiting blocks, and shielding shell rear walls are arranged on the other sides of the shielding shell side walls.
As a still further scheme of the utility model, one end of the bidirectional screw rod is connected with an adjusting block.
As a still further scheme of the utility model, the shielding shell material composition mechanism comprises a first shielding layer, wherein the first shielding layer is made of galvanized steel sheet shielding materials, a second shielding layer is arranged below the first shielding layer, and the second shielding layer is made of aluminum sheet shielding materials.
As a still further scheme of the utility model, a wave absorbing layer is arranged below the second shielding layer, and the wave absorbing layer is made of a conical high polymer polypropylene supercritical carbon dioxide closed-cell foaming material.
As a still further scheme of the utility model, a top cover of the shielding shell is arranged at the top of the microwave darkroom body.
As a still further scheme of the utility model, a shielding door is arranged on the surface of the microwave darkroom body.
As a still further scheme of the utility model, the top cover of the shielding shell is made of galvanized steel sheet shielding materials.
The above description shows that, by the above technical solution of the present application, the technical problem to be solved by the present application can be necessarily solved.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
according to the utility model, through the shielding shell splicing mechanism, the adjusting block at one side of the connecting block at the rotation angle part drives the bidirectional screw rod to rotate, so as to drive the sliding block and the limiting block to move inwards, and limit splicing is carried out on the rear wall and the side wall of the shielding shell.
According to the utility model, through the arrangement of the shielding shell material composition mechanism, the first shielding layer of the galvanized steel sheet shielding material is matched with the second shielding layer of the aluminum sheet shielding material, so that the frequency of the microwave darkroom body can be sufficiently low when the anti-interference performance of the satellite navigation terminal is tested, the low-frequency performance of the microwave darkroom body is well ensured, the test result is more accurate, the water absorption rate of the wave absorbing layer of the tapered high polymer polypropylene supercritical carbon dioxide closed-cell foaming material is low, the electric performance is not influenced under different humidity conditions, the performance of the microwave darkroom body is more stable, the weight of the material is light, the bearing force of the rear wall of the shielding shell and the side wall of the shielding shell can be reduced, and the shielding shell is very practical.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a shield shell splicing mechanism of the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model, partially enlarged at A in FIG. 2;
fig. 4 is a schematic structural diagram of a material composition mechanism of a shielding shell according to the present utility model.
In the figure: 1. a microwave darkroom body; 2. a shielding door; 3. a shield shell top cover; 4. a shielding shell splicing mechanism; 401. a shield shell rear wall; 402. a shield shell side wall; 403. a corner connecting block; 404. an adjusting block; 405. a slide block; 406. a two-way screw rod; 407. a limiting block; 5. a shielding shell material composition mechanism; 501. a first shielding layer; 502. a second shielding layer; 503. and a wave absorbing layer.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1, the present utility model provides a technical solution: the utility model provides a microwave darkroom of adjustable assembled shield shell, includes microwave darkroom body 1, and is located the outside shield shell concatenation mechanism 4 and the shield shell material of microwave darkroom body 1 and constitutes mechanism 5;
the top of the microwave darkroom body 1 is provided with a shielding shell top cover 3, the surface of the microwave darkroom body 1 is provided with a shielding door 2, and the shielding shell top cover 3 is made of galvanized steel plates.
Example two
The scheme in the first embodiment is further described below in conjunction with a specific working manner, and the details are described below:
as shown in fig. 1, fig. 2 and fig. 3, as a still further implementation manner of the present utility model, further, the shielding shell splicing mechanism 4 includes a corner connection block 403, a bidirectional screw rod 406 is disposed in the corner connection block 403, two sides of the bidirectional screw rod 406 are mounted with a sliding block 405, a limiting block 407 is fixed below the sliding block 405, one side of the limiting block 407 is mounted with a shielding shell side wall 402, the other side of the shielding shell side wall 402 is mounted with a shielding shell rear wall 401, one end of the bidirectional screw rod 406 is connected with an adjusting block 404, the adjusting block 404 on one side of the rotating corner connection block 403 drives the bidirectional screw rod 406 to rotate through the shielding shell splicing mechanism 4, and then drives the sliding block 405 and the limiting block 407 to move inwards, so as to limit and splice the shielding shell rear wall 401 and the shielding shell side wall 402.
As shown in fig. 1, fig. 2 and fig. 4, as a still further embodiment of the present utility model, further, on the basis of the above manner, the shielding shell material composition mechanism 5 includes a first shielding layer 501, the material of the first shielding layer 501 is a galvanized steel sheet shielding material, a second shielding layer 502 is disposed below the first shielding layer 501, the material of the second shielding layer 502 is an aluminum sheet shielding material, a wave absorbing layer 503 is disposed below the second shielding layer 502, the material of the wave absorbing layer 503 is a tapered high molecular polypropylene supercritical carbon dioxide closed cell foaming material, through the set shielding shell material composition mechanism 5, wherein the first shielding layer 501 of the galvanized steel sheet shielding material is matched with the second shielding layer 502 of the aluminum sheet shielding material, so that when the anti-interference performance of the satellite navigation terminal is tested, the frequency of the microwave darkroom body 1 can be sufficiently low, thereby the low frequency performance of the microwave darkroom body 1 is well ensured, the test result is more accurate, the matching with the low water absorbing layer 503 of the tapered high molecular polypropylene supercritical carbon dioxide closed cell foaming material has low water absorption rate, the different humidity conditions do not affect the performance of the microwave darkroom body, and the weight of the microwave darkroom body can be reduced, and the weight of the shielding shell can be stable, and the side wall of the microwave device can be protected by the side wall 401.
From the above, it can be seen that:
the utility model aims at the technical problems that: the existing shielding shells of some microwave darkrooms are usually welded when being installed, but the tightness and the firmness of the shielding shells cannot be enhanced at the internal corners, so that the shielding effect of the microwave darkroom on microwaves is greatly reduced, and radar microwave radiation is easily emitted, so that the damage to human bodies is caused; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
when the microwave darkroom body 1 is used, the shielding shell splicing mechanism 4 is arranged, the adjusting block 404 at one side of the connecting block 403 at the rotation angle part drives the bidirectional screw rod 406 to rotate, and then drives the sliding block 405 and the limiting block 407 to move inwards, so that the shielding shell rear wall 401 and the shielding shell side wall 402 are subjected to limiting splicing, the arrangement and the installation are convenient and fast, the firmness are good, the problem that the tightness and the firmness cannot be enhanced at the internal corners in the conventional shielding shell installation of some microwave darkrooms are generally adopted, the shielding effect of the microwave darkroom on microwaves is greatly reduced, the problem that the damage to human bodies is caused by the radiation of radar microwaves can be easily caused, the shielding shell rear wall 401 and the shielding shell side wall 402 with single-layer or double-layer thickness can be selected according to requirements, the applicability is wide, through the shielding shell material composition mechanism 5, wherein the first shielding layer 501 of the galvanized steel sheet shielding material is matched with the second shielding layer 502 of the aluminum sheet shielding material, so that the frequency of the microwave darkroom body 1 can be low enough when the anti-interference performance of the satellite navigation terminal is tested, the low-frequency performance of the microwave darkroom body 1 is well ensured, the test result is more accurate, the water absorption rate of the wave absorbing layer 503 of the conical high polymer polypropylene supercritical carbon dioxide closed-cell foaming material is low, the electric performance is not influenced under different humidity conditions, the performance of the microwave darkroom body 1 is more stable, the material is light in weight, the bearing force of the shielding shell rear wall 401 and the shielding shell side wall 402 can be lightened, and the shielding shell is very practical;
through above-mentioned setting, this application must solve above-mentioned technical problem, simultaneously, realizes following technical effect:
according to the utility model, through the shielding shell splicing mechanism 4, the adjusting block 404 at one side of the connecting block 403 at the rotation angle part drives the bidirectional screw rod 406 to rotate, so as to drive the sliding block 405 and the limiting block 407 to move inwards, and limit splicing is carried out on the rear wall 401 of the shielding shell and the side wall 402 of the shielding shell;
according to the utility model, through the arrangement of the shielding shell material composition mechanism 5, the first shielding layer 501 of the galvanized steel sheet shielding material is matched with the second shielding layer 502 of the aluminum sheet shielding material, so that the frequency of the microwave darkroom body 1 can be sufficiently low when the anti-interference performance of the satellite navigation terminal is tested, the low-frequency performance of the microwave darkroom body 1 is well ensured, the test result is more accurate, the water absorption rate of the wave absorbing layer 503 of the conical high polymer polypropylene supercritical carbon dioxide closed-cell foaming material is low, the electric performance is not influenced under different humidity conditions, the performance of the microwave darkroom body 1 is more stable, the material is light in weight, and the bearing force of the shielding shell rear wall 401 and the shielding shell side wall 402 can be lightened, so that the microwave darkroom is very practical.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The microwave darkroom is characterized by comprising a microwave darkroom body (1), and a shielding shell splicing mechanism (4) and a shielding shell material composition mechanism (5) which are positioned outside the microwave darkroom body (1);
the shielding shell splicing mechanism (4) comprises a corner connecting block (403), a bidirectional screw rod (406) is arranged in the corner connecting block (403), sliding blocks (405) are arranged on two sides of the bidirectional screw rod (406), limiting blocks (407) are fixed below the sliding blocks (405), shielding shell side walls (402) are arranged on one sides of the limiting blocks (407), and shielding shell rear walls (401) are arranged on the other sides of the shielding shell side walls (402).
2. The microwave darkroom with the adjustable spliced shielding shell according to claim 1, wherein one end of the bidirectional screw rod (406) is connected with an adjusting block (404).
3. The microwave darkroom with the adjustable assembly shielding shell according to claim 1, wherein the shielding shell material composition mechanism (5) comprises a first shielding layer (501), the first shielding layer (501) is made of galvanized steel sheet shielding materials, a second shielding layer (502) is arranged below the first shielding layer (501), and the second shielding layer (502) is made of aluminum sheet shielding materials.
4. A microwave darkroom with an adjustable assembly shielding shell according to claim 3, wherein a wave absorbing layer (503) is arranged below the second shielding layer (502), and the wave absorbing layer (503) is made of a conical high polymer polypropylene supercritical carbon dioxide closed cell foam material.
5. The microwave darkroom with the adjustable assembly shielding shell according to claim 1, wherein a shielding shell top cover (3) is installed on the top of the microwave darkroom body (1).
6. The microwave darkroom with the adjustable spliced shielding shell according to claim 4, wherein the shielding door (2) is arranged on the surface of the microwave darkroom body (1).
7. The microwave darkroom with the adjustable assembly shielding shell according to claim 5, wherein the top cover (3) of the shielding shell is made of galvanized steel sheet shielding material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137817.0U CN220768411U (en) | 2023-08-09 | 2023-08-09 | Microwave darkroom with adjustable assembled shielding shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137817.0U CN220768411U (en) | 2023-08-09 | 2023-08-09 | Microwave darkroom with adjustable assembled shielding shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220768411U true CN220768411U (en) | 2024-04-12 |
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ID=90620151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322137817.0U Active CN220768411U (en) | 2023-08-09 | 2023-08-09 | Microwave darkroom with adjustable assembled shielding shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220768411U (en) |
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2023
- 2023-08-09 CN CN202322137817.0U patent/CN220768411U/en active Active
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