CN213462854U - Shielding insulation waveguide window - Google Patents
Shielding insulation waveguide window Download PDFInfo
- Publication number
- CN213462854U CN213462854U CN202022165386.5U CN202022165386U CN213462854U CN 213462854 U CN213462854 U CN 213462854U CN 202022165386 U CN202022165386 U CN 202022165386U CN 213462854 U CN213462854 U CN 213462854U
- Authority
- CN
- China
- Prior art keywords
- frame
- insulating
- waveguide window
- shielding
- insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a shielding insulation waveguide window, which comprises an insulation frame and a fixed frame, wherein the side wall of the insulation frame is provided with an insulation block along the axis center, the insulation frame is connected with the convex end of the fixed frame through the insulation block, the fixed frame is provided with a groove along the middle section of the inner side wall, and a shielding filter screen layer is arranged between the groove and the side surface close to the convex end of the fixed frame; the device has the advantages of simple structure, convenient assembly and disassembly, and the annular design of the regular hexagon of the insulating block, which can effectively prevent the waveguide from passing through the hole to be transmitted to other media, and effectively prevent the electromagnetic wave reflection attenuation from being damaged due to the coupling between the shielding layers through the independent work between the shielding filter screen layer and the insulating block.
Description
Technical Field
The utility model mainly relates to a shielding and insulating equipment field especially relates to a shielding and insulating waveguide window.
Background
The waveguide window is a cut-off waveguide bundle consisting of many small cut-off waveguides, the cross-sectional shape of which is hexagonal. The cross-sectional form of the ventilation cut-off waveguide window is generally as follows: circular, square, and hexagonal. Square and hexagonal waveguides are advantageous for isolation of electromagnetic waves because they allow fewer propagating modes than circular waveguides; the channel area of the hexagonal waveguide is larger than that of the square waveguide window under the condition of equal insertion attenuation capacity.
In order to keep the air circulation inside the machine room, a window is required to be opened on the shielding shell, but a waveguide window meeting the response standard must be installed, and the function of the waveguide window is to ensure the air circulation and prevent the leakage of electromagnetic signals. However, the waveguide window must have a hole, and the corresponding mode region is correspondingly widened with the increase of the cut-off frequency, so that the wave mode conforming to the waveguide mode distribution can pass through the hole and be transmitted to other media, thereby generating electromagnetic radiation pollution.
The patent discloses Chinese invention patent, application number CN202010537446.3, patent name: shielded and insulated waveguide window assembly and shielded and insulated box, application date: 20200612, the invention discloses a shielding insulation waveguide window assembly, which comprises multilayer waveguide window bodies arranged in layers, wherein a space is arranged between every two adjacent layers of waveguide window bodies, an insulation support is arranged in the space, each layer of waveguide window body is sequentially and correspondingly arranged at the installation opening of the multilayer shielding plates, and the multilayer shielding plates are insulated from each other. In order to achieve the effect of multi-layer shielding, insulation treatment is carried out between the shielding layers to prevent the coupling between the shielding layers from damaging the effect of electromagnetic wave reflection attenuation. Through setting up the waveguide window body of multilayer, and be provided with insulating support between the adjacent waveguide window body, promote shielding efficiency, realized the real multilayer electromagnetic shield. The invention also discloses a shielding insulation box comprising the assembly.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a shielding and insulating waveguide window, which comprises an insulating frame 1 and a fixing frame 2,
the insulating frame 1 lateral wall is equipped with insulating block 4 along axle center department, insulating frame 1 passes through insulating block 4 and the protruding end connection of mount 2, mount 2 has seted up recess 5 along the inside wall middle section, the part is equipped with shielding filter screen layer 6 between recess 5 and the side of being close to the protruding end of mount 2.
Preferably, the insulating block 4 has a "regular hexagonal" ring structure.
Preferably, the outer side wall of the insulating block 4 and the inner side wall of the protruding end of the fixing frame 2 are correspondingly matched.
Preferably, a sealing ring 7 is fixedly installed on the inner side wall of the fixing frame 2 along the groove 5, and the sealing ring 7 is positioned on one side of the shielding filter screen layer 6 far away from the protruding end of the fixing frame 2.
Preferably, the cross section of the shielding mesh layer 6 is a regular hexagon.
Preferably, through holes 8 are formed in four corners of the insulating frame 1 and the fixing frame 2.
Preferably, the central axes of the insulating frame 1 and the fixed frame 2 coincide.
The utility model has the advantages that: the device has the advantages of simple structure, convenient assembly and disassembly, and the annular design of the regular hexagon of the insulating block, which can effectively prevent the waveguide from passing through the hole to be transmitted to other media, and effectively prevent the electromagnetic wave reflection attenuation from being damaged due to the coupling between the shielding layers through the independent work between the shielding filter screen layer and the insulating block.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is an assembly view of the overall structure of the present invention;
FIG. 3 is an exploded view of the overall structure of the present invention;
in the figure, the position of the upper end of the main shaft,
1. an insulating frame; 2. a fixed mount; 4. an insulating block; 5. a groove; 6. a shielding filter screen layer; 7. a seal ring; 8. and a through hole.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, the present invention comprises: an insulating frame 1 and a fixed frame 2,
the insulating frame 1 lateral wall is equipped with insulating block 4 along axle center department, insulating frame 1 passes through insulating block 4 and the protruding end connection of mount 2, mount 2 has seted up recess 5 along the inside wall middle section, the part is equipped with shielding filter screen layer 6 between recess 5 and the side of being close to the protruding end of mount 2.
In use, method of use and effect achieved
In this embodiment, the insulating block 4 preferably has a "hexagonal" ring structure.
The structure is arranged, and the stability of the 'regular hexagonal' annular structure is good.
In this embodiment, it is preferable that the outer sidewall of the insulating block 4 and the inner sidewall of the protruding end of the fixing frame 2 are correspondingly matched with each other.
The structure is arranged, fixed installation is formed, and no leak exists.
In this embodiment, a sealing ring 7 is preferably fixedly mounted on the inner side wall of the fixing frame 2 along the groove 5, and the sealing ring 7 is positioned on the side of the shielding filter screen layer 6 far away from the protruding end of the fixing frame 2.
By the structure, the sealing ring is used for fixing the position of the shielding filter screen layer.
In this embodiment, the cross section of the shielding mesh layer 6 is preferably a regular hexagon.
In this embodiment, it is preferable that the insulating frame 1 and the fixing frame 2 are provided with through holes 8 at four corners.
With the structure, the through hole is used for installing fixing pieces such as bolts and screws.
In this embodiment, it is preferable that the insulating frame 1 and the fixed frame 2 have their center axes coincident with each other.
Set up above-mentioned structure, prevent the installation dislocation, appear the gap.
It can be seen that, this device simple structure, the installation is dismantled conveniently, only needs to install the mount on insulating frame, mount internally mounted shielding filter screen layer, shielding filter screen layer lateral wall installation sealing washer can, the annular design of insulating block regular hexagon can effectively prevent during the waveguide passes the hole and propagates other media, through the isolated work between shielding filter screen layer and the insulating block, effectively prevent that coupling between the shielding layer from leading to destroying electromagnetic wave reflection attenuation.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A shielding and insulating waveguide window is characterized by comprising an insulating frame (1) and a fixing frame (2),
insulating frame (1) lateral wall is equipped with insulating block (4) along axle center department, insulating frame (1) is connected through the protrusion end of insulating block (4) and mount (2), mount (2) are seted up recess (5) along the inside wall middle section, recess (5) and be close to mount (2) protrusion end part between the side be equipped with shielding filter screen layer (6).
2. The shielded insulated waveguide window of claim 1, wherein: the insulating block (4) is in a regular hexagonal annular structure.
3. The shielded insulated waveguide window of claim 2, wherein: the outer side wall of the insulating block (4) is matched with the inner side wall of the protruding end of the fixing frame (2) correspondingly.
4. The shielded insulated waveguide window of claim 3, wherein: the inner side wall of the fixing frame (2) is fixedly provided with a sealing ring (7) along the groove (5), and the sealing ring (7) is positioned on one side of the shielding filter screen layer (6) far away from the protruding end of the fixing frame (2).
5. The shielded insulated waveguide window of claim 4, wherein: the cross section of the shielding filter screen layer (6) is in a regular hexagon shape.
6. The shielded insulated waveguide window of claim 5, wherein: through holes (8) are formed in the four corners of the insulating frame (1) and the fixing frame (2).
7. The shielded insulated waveguide window of claim 6, wherein: the central axes of the insulating frame (1) and the fixed frame (2) are superposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165386.5U CN213462854U (en) | 2020-09-27 | 2020-09-27 | Shielding insulation waveguide window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022165386.5U CN213462854U (en) | 2020-09-27 | 2020-09-27 | Shielding insulation waveguide window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213462854U true CN213462854U (en) | 2021-06-15 |
Family
ID=76282386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022165386.5U Active CN213462854U (en) | 2020-09-27 | 2020-09-27 | Shielding insulation waveguide window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213462854U (en) |
-
2020
- 2020-09-27 CN CN202022165386.5U patent/CN213462854U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090194644A1 (en) | Shielded Frame | |
| CN207663346U (en) | A kind of mounting structure and touch control display of touching display screen | |
| US4705916A (en) | EMI gasket retaining mechanism for electronic equipment | |
| CN213462854U (en) | Shielding insulation waveguide window | |
| CN101428242A (en) | Cleaning chamber | |
| CN214705424U (en) | Ventilation sound insulation barrier based on destructive interference | |
| WO2020043022A1 (en) | Low-noise cabinet with modular box-type assembled structure | |
| US6860641B1 (en) | Faceplate electrostatic discharge attenuating waveguide | |
| CN101410002A (en) | Electromagnetic shielding structure for door | |
| CN213638666U (en) | Net-gate machine box with good isolation effect | |
| CN206984292U (en) | A kind of air grid peculiar to vessel with electro-magnetic screen function | |
| CN211909552U (en) | Shielding insulation waveguide window assembly and shielding insulation box | |
| KR20180020346A (en) | Method for constructing an electromagnetic pulse shielding facilitiy at protection room and the electromagnetic pulse shielding facilitiy | |
| CN102636671A (en) | Anechoic chamber with low frequency shielding property | |
| CN212851647U (en) | Assembled electromagnetic shielding waveguide window | |
| CN105377006B (en) | A kind of machine table with electro-magnetic screen function | |
| CN211741821U (en) | Special projection shielding box for MR examination room | |
| CN201187238Y (en) | Electromagnetic shielding door | |
| CN111587060A (en) | Shielding insulation waveguide window assembly and shielding insulation box | |
| CN212317591U (en) | Shielding shelter power station | |
| CN220066073U (en) | Waveguide filter | |
| CN214206283U (en) | Cabinet with electromagnetic shielding function | |
| US11612071B2 (en) | Flexible throat/duct between cabinets | |
| CN214697122U (en) | Combined sound insulation room | |
| CN218732581U (en) | Electromagnetic protection type radar cooling unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |