CN201255482Y - Wave guide shielded ventilating window for large-sized shielding facilitie - Google Patents
Wave guide shielded ventilating window for large-sized shielding facilitie Download PDFInfo
- Publication number
- CN201255482Y CN201255482Y CNU2008200292052U CN200820029205U CN201255482Y CN 201255482 Y CN201255482 Y CN 201255482Y CN U2008200292052 U CNU2008200292052 U CN U2008200292052U CN 200820029205 U CN200820029205 U CN 200820029205U CN 201255482 Y CN201255482 Y CN 201255482Y
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- rear flange
- waveguide
- forward flange
- shielding
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Abstract
The utility model relates to an electromagnetic shielding part for a ventilating pipeline or ventilating through holes of a large-sized shielding facility, and in particular to a waveguide shielding ventilating window that can realize the ventilation, has electromagnetic shielding function and is applied to large-sized shielding facility, which is characterized in that the waveguide shielding ventilating window comprises a front flange component (1), a rear flange component (3) and a waveguide ventilating plate (2), wherein, the waveguide ventilating plate (2) is sandwiched between the front flange component (1) and the rear flange component (3); the front flange component (1), the waveguide ventilating plate (2) and the rear flange component (3) are connected with each other through sunk screws into a whole body. The waveguide shielding ventilating window has light weight, small wind resistance, high shielding efficiency, strong wind resistant capacity, low price and convenient installation, thereby being applicable to the large-sized shielding facility.
Description
Technical field
The utility model relates to the electromagnetic shielding component of large-scale shield facility ventilation shaft, ventilation via hole, is a kind of can the ventilation, has the waveguide shielding vent window that is used for large-scale shield facility of electro-magnetic screen function again.
Background technology
Large-scale shield facility is the closure casing of being made by plate-shape metal, be prevent the high-energy electromagnetic wave from the shield facility outside to inner couplings or prevent that electromagnetic wave is from the critical facility of shield facility inside to coupled outside.Ventilation and air conditioning in order to guarantee large-scale shield facility then must be provided with ventilation shaft or air vent.Because these holes can produce the coupling of serious electromagnetic wave, reduce the electromagnet shield effect of large-scale shield facility greatly, then must on ventilation shaft or ventilation via hole, install the waveguide shielding vent window that can ventilate and can decay to electromagnetic wave additional.Waveguide shielding vent window in the past is mainly steel, because the ventilation aperture of large-scale shield facility is very big, required diameter can be added the high-altitude that must hang on apart from ground 3m～5m up to Φ 1.6m.Obviously, the weight of steel wave-guide intake is too big, and it is very high to add cost, can't be applicable to large-scale shield facility.
Summary of the invention
The purpose of this utility model be to provide a kind of in light weight, windage is little, shield effectiveness is high, wind loading rating is strong, cheap and easy for installation, be applicable to the waveguide shielding vent window that is used for large-scale shield facility of large-scale shield facility.
To achieve these goals, the technical solution of the utility model is: the waveguide shielding vent window that is used for large-scale shield facility comprises forward flange assembly, rear flange assembly and a honeycomb plate, forward flange assembly and rear flange assembly one in front and one in back are clipped in the middle honeycomb plate, by sunk screw forward flange assembly, honeycomb plate and rear flange assembly are connected as one.
Described forward flange assembly comprises forward flange, forward flange reinforcement, the short airduct of forward flange and shielding gasket; The short airduct of forward flange is connected with forward flange, and the short airduct of forward flange can be circle and also can be rectangle, to be suitable for different air vent shapes.
Have in the described forward flange framework anyhow to the forward flange reinforcement.
Described forward flange assembly has shielding gasket with installing between the position that wall contacts.
Described rear flange assembly comprises the short airduct of rear flange, rear flange reinforcement and rear flange; The short airduct of rear flange is connected with rear flange, and the short airduct of rear flange can be the circular rectangle that also can be to be suitable for different air vent shapes.
Have in the described rear flange framework anyhow to the rear flange reinforcement.
Described rear flange is connected end face and is connected end face with forward flange with honeycomb plate epoxy conducting is arranged with honeycomb plate.
Described front and back flange is an aluminium sheet, and thickness is 2.5mm～4mm, and the length of the short airduct of front and back aluminum is 30mm～50mm.
Described aluminum honeycomb plate comprises regular hexagon aluminum cellular board, metal framework and reinforcement; Regular hexagon aluminum cellular board is two-layer individual layer, and thickness is that 12.4mm～13.2mm, opposite side are of a size of 3.18mm, and the framework center is through the regular hexagon aluminum cellular board of conductive processing 90 ° of connectors that stack each other; Between two-layer regular hexagon aluminum cellular board plate reinforcement is arranged; The reinforcement of two-layer regular hexagon aluminum cellular board and one is fixed in the metal framework.
Metal framework in the described aluminum honeycomb plate is that frame inwardly is the aluminium alloy extrusions of E font, and it highly is 32.4mm; Strut rail is that ascending transition forms crotch up and down by the inside size of frame in the middle of the aluminium alloy extrusions of E font, and little place is connected with frame, and distance is 3mm up and down, and the distance up and down in the middle of carrying out the transition to is 5mm; The wide 13mm of aluminium alloy type frame of described E font, the upper and lower side frame distance is 13mm, and crotch is up and down also arranged up and down; The aluminium alloy type edge wall thickness 2mm of described E font goes up following wall thickness 1.5mm.
The utility model has the advantages that: to adopt aluminium to have in light weight for flange and short airduct because honeycomb plate adopts aluminium, is easy to the characteristics of moulding, not only cheap and easy for installation.The intensity of the honeycomb in the middle of the honeycomb plate is very weak, is easy to be blown bad in the environment of wind speed up to 6m/s～15m/s, has therefore added reinforcement between two-layer honeycomb; For prevent electromagnetic wave see through ring flange and honeycomb plate the slit and and metal installation wall between the slit produce electromagnetic leakage, between the slit of ring flange and honeycomb plate, evenly add and be coated with epoxy conducting and shield vent window through the complete waveguide of the fastening formation of sunk screw; High performance metallic coil, woven wire combination shielding gasket or conductive fabric shielding gasket are sticked in the position that contacts with the installation wall on ring flange; For anticorrosion, except that the position that mounts shielding gasket, all apply antirust paint.Honeycomb plate of the present utility model by two-layer thickness in monolayer be 12.4mm～13.2mm, opposite side be of a size of 3.18mm, framework center be through the regular hexagon aluminum cellular board of conductive processing each other 90 ° stack connection, its shield effectiveness is than same thickness but do not carry out the overlapping high 15dB～20dB of aluminum honeycomb, in 150K～18GHz frequency range, can provide the shield effectiveness of 60～100dB.
Description of drawings
Below in conjunction with accompanying drawing by embodiment is described in detail the utility model.
Fig. 1 is the short air duct flange waveguide shielding of a double-sided belt vent window structural representation;
Fig. 2 is the short air duct flange waveguide shielding of a double-sided belt vent window structural representation exploded view;
Fig. 3 is the honeycomb plate structure chart;
Fig. 4 is a metal framework structure dimensional drawing among Fig. 3;
Fig. 5 is the short air duct flange waveguide shielding of an one-side band vent window structural representation;
Fig. 6 is an aluminum cellular board structure chart.
Among the figure: 1, forward flange assembly; 2, honeycomb plate; 3, rear flange assembly; 101, forward flange; 102, forward flange reinforcement; 103, the short airduct of forward flange; 104, shielding gasket; 201, regular hexagon aluminum cellular board; 202, reinforcement; 203, metal framework; 301, rear flange; 302, rear flange reinforcement; 303, the short airduct of rear flange; 304, sunk screw; 305, epoxy conducting.
The specific embodiment
As shown in Figure 1, the waveguide shielding vent window that is used for large-scale shield facility is made of forward flange assembly 1, rear flange assembly 3 and a honeycomb plate 2.Forward flange assembly 1 and rear flange assembly 3 one in front and one in back are clipped in the middle honeycomb plate 2, by sunk screw 304 forward flange assembly 1, honeycomb plate 2 and rear flange assembly 3 are connected as one.For the structure to Fig. 1 has clearer understanding, be necessary that the exploded view Fig. 2 that provides Fig. 1 is described further.
As shown in Figure 2, forward flange assembly 1 comprises forward flange 101, forward flange reinforcement 102, the short airduct 103 of forward flange and shielding gasket 104.The short airduct 103 of forward flange is connected with forward flange 101, and the short airduct 103 of forward flange can be the circular rectangle that also can be to be suitable for different air vent shapes.In order to make forward flange assembly 1 integral body not make its distortion under the situation because of big ventilation, in forward flange 101 frameworks, have anyhow to forward flange reinforcement 102.In order to prevent that forward flange assembly 1 and air vent pipeline enclosure from serious electromagnetic wave coupling taking place, and has shielding gasket 104 between the position of forward flange assembly 1 installation wall contact.
3 of rear flange assemblies comprise the short airduct 303 of rear flange 301, rear flange reinforcement 302 and rear flange.The short airduct 303 of rear flange is connected with rear flange 301, and the short airduct 303 of rear flange can be the circular rectangle that also can be equally to be suitable for different air vent shapes.Anyhow forward flange reinforcement 302 is arranged in rear flange 301 frameworks equally.Rear flange 301 is connected end face and is connected end face with forward flange 101 with honeycomb plate 1 epoxy conducting 305 is arranged with honeycomb plate 1, when sunk screw 304 with rear flange 301, honeycomb plate 1 and after forward flange 101 is connected, make its three be in the conduction kilter.The front and back flange thickness is 2.5mm～4mm, and they utilize aluminium sheet processing.The length of the short airduct of aluminum is 30mm～50mm.
As shown in Figure 3, aluminum honeycomb plate 2 comprises regular hexagon aluminum cellular board 201, metal framework 203 and reinforcement 202.Regular hexagon aluminum cellular board 201 is that to be of a size of 3.18mm, framework center be through the regular hexagon aluminum cellular board 201 of conductive processing 90 ° of connectors that stack each other for 12.4mm～13.2mm, opposite side for two-layer thickness in monolayer.Between two-layer regular hexagon aluminum cellular board 201 plates reinforcement 202 is arranged.The reinforcement 202 of two-layer regular hexagon aluminum cellular board 201 and one is fixed in the metal framework 203, evenly adds between their connection slit to be coated with epoxy conducting.For anticorrosion, outside shielding gasket 104, all apply antirust paint on the surface of front and back flange.
As shown in Figure 4, the metal framework 203 in the aluminum honeycomb plate 2 inwardly is the aluminium alloy extrusions of E font by frame, and it highly is 32.4mm.Strut rail forms crotch up and down by frame to the ascending transition of inside dimension in the middle of the aluminium alloy extrusions of E font, and little place is connected with frame, and distance is 3mm up and down, and the distance up and down in the middle of carrying out the transition to is 5mm.The wide 13mm of aluminium alloy type frame of E font, upper and lower side frame 13mm place also have crotch up and down up and down.The aluminium alloy type edge wall thickness 2mm of E font goes up following wall thickness 1.5mm.
As shown in Figure 5, it provides other and plants example structure, is to have lacked the short airduct 303 of rear flange with Fig. 1 difference.The shape and structure of other and Fig. 1 is identical, does not therefore do too much description at this.
Fig. 6 is an aluminum cellular board structure chart, and the cellular board of aluminum shown in figure structure is the regular hexagon structure.
Claims (10)
1, the waveguide shielding vent window that is used for large-scale shield facility, it is characterized in that: it comprises forward flange assembly (1), rear flange assembly (3) and a honeycomb plate (2), forward flange assembly (1) and rear flange assembly (3) one in front and one in back are clipped in the middle honeycomb plate (2), by sunk screw (304) forward flange assembly (1), honeycomb plate (2) and rear flange assembly (3) are connected as one.
2, the waveguide shielding vent window that is used for large-scale shield facility according to claim 1, it is characterized in that: described forward flange assembly (1) comprises forward flange (101), forward flange reinforcement (102), the short airduct (103) of forward flange and shielding gasket (104); The short airduct of forward flange (103) is connected with forward flange (101), and the short airduct of forward flange (103) can be circle and also can be rectangle, to be suitable for different air vent shapes.
3, the waveguide shielding vent window that is used for large-scale shield facility according to claim 2 is characterized in that: have in described forward flange (101) framework anyhow to forward flange reinforcement (102).
4, the waveguide shielding vent window that is used for large-scale shield facility according to claim 1 is characterized in that: between described forward flange assembly (1) and position that the installation wall contacts shielding gasket (104) is arranged.
5, the waveguide shielding vent window that is used for large-scale shield facility according to claim 1, it is characterized in that: described rear flange assembly (3) comprises the short airduct (303) of rear flange (301), rear flange reinforcement (302) and rear flange: the short airduct of rear flange (303) is connected with rear flange (301), and the short airduct of rear flange (303) can be the circular rectangle that also can be to be suitable for different air vent shapes.
6, the waveguide shielding vent window that is used for large-scale shield facility according to claim 5 is characterized in that: have in described rear flange (301) framework anyhow to rear flange reinforcement (302).
7, the waveguide shielding vent window that is used for large-scale shield facility according to claim 5 is characterized in that: described rear flange (301) is connected end face and is connected end face with forward flange (101) with honeycomb plate (2) epoxy conducting (305) is arranged with honeycomb plate (2).
8, according to claim 2 or the 5 described waveguide shielding vent windows that are used for large-scale shield facility, it is characterized in that: described front and back flange is an aluminium sheet, and thickness is 2.5mm～4mm, and the length of the short airduct of front and back aluminum is 30mm～50mm.
9, the waveguide shielding vent window that is used for large-scale shield facility according to claim 1, it is characterized in that: described aluminum honeycomb plate (2) comprises regular hexagon aluminum cellular board (201), metal framework (203) and reinforcement (202); Regular hexagon aluminum cellular board (201) is two-layer individual layer, and thickness is that 12.4mm～13.2mm, opposite side are of a size of 3.18mm, and the framework center is through the regular hexagon aluminum cellular board (201) of conductive processing 90 ° of connectors that stack each other; Between two-layer regular hexagon aluminum cellular board (201) plate reinforcement (202) is arranged; The reinforcement (202) of two-layer regular hexagon aluminum cellular board (201) and one is fixed in the metal framework (203).
10, the waveguide shielding vent window that is used for large-scale shield facility according to claim 1, it is characterized in that: the metal framework (203) in the described aluminum honeycomb plate (2) inwardly is the aluminium alloy extrusions of E font for frame, and it highly is 32.4mm; Strut rail is that ascending transition forms crotch up and down by the inside size of frame in the middle of the aluminium alloy extrusions of E font, and little place is connected with frame, and distance is 3mm up and down, and the distance up and down in the middle of carrying out the transition to is 5mm; The wide 13mm of aluminium alloy type frame of described E font, the upper and lower side frame distance is 13mm, and crotch is up and down also arranged up and down; The aluminium alloy type edge wall thickness 2mm of described E font goes up following wall thickness 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200292052U CN201255482Y (en) | 2008-05-27 | 2008-05-27 | Wave guide shielded ventilating window for large-sized shielding facilitie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200292052U CN201255482Y (en) | 2008-05-27 | 2008-05-27 | Wave guide shielded ventilating window for large-sized shielding facilitie |
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| Publication Number | Publication Date |
|---|---|
| CN201255482Y true CN201255482Y (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200292052U Expired - Lifetime CN201255482Y (en) | 2008-05-27 | 2008-05-27 | Wave guide shielded ventilating window for large-sized shielding facilitie |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951752A (en) * | 2010-09-01 | 2011-01-19 | 北京超思电子技术有限责任公司 | Electromagnetic shielding device and electromagnetic shielding chamber |
| CN102953660A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Installation method for connecting structure of steel ventilating window and aluminum shielding cavity |
| CN104179438B (en) * | 2014-07-28 | 2016-05-11 | 河南师范大学 | A kind of electromagnetic shielding sound insulation protective window that is applicable to electromagnetic shielding chamber |
| CN109413983A (en) * | 2018-12-20 | 2019-03-01 | 厦门众仟实业有限公司 | A kind of aluminium honeycomb core soldering electromagnetic shielding waveguide window and its production technology |
| CN110572996A (en) * | 2019-07-25 | 2019-12-13 | 厦门众仟实业有限公司 | composite all-welded aluminum honeycomb core waveguide window and production process thereof |
| CN110748279A (en) * | 2019-10-30 | 2020-02-04 | 无锡德林防务装备股份有限公司 | Multifunctional ventilating fence |
-
2008
- 2008-05-27 CN CNU2008200292052U patent/CN201255482Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101951752A (en) * | 2010-09-01 | 2011-01-19 | 北京超思电子技术有限责任公司 | Electromagnetic shielding device and electromagnetic shielding chamber |
| CN102953660A (en) * | 2012-10-25 | 2013-03-06 | 西安开容电子技术有限责任公司 | Installation method for connecting structure of steel ventilating window and aluminum shielding cavity |
| CN104179438B (en) * | 2014-07-28 | 2016-05-11 | 河南师范大学 | A kind of electromagnetic shielding sound insulation protective window that is applicable to electromagnetic shielding chamber |
| CN109413983A (en) * | 2018-12-20 | 2019-03-01 | 厦门众仟实业有限公司 | A kind of aluminium honeycomb core soldering electromagnetic shielding waveguide window and its production technology |
| CN110572996A (en) * | 2019-07-25 | 2019-12-13 | 厦门众仟实业有限公司 | composite all-welded aluminum honeycomb core waveguide window and production process thereof |
| CN110572996B (en) * | 2019-07-25 | 2021-10-26 | 厦门市众仟实业有限责任公司 | Production method of composite all-welded aluminum honeycomb core waveguide window |
| CN110748279A (en) * | 2019-10-30 | 2020-02-04 | 无锡德林防务装备股份有限公司 | Multifunctional ventilating fence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: QIU YANG Free format text: NEW ADDRESS: ROOM 703, XIYUEGE, SCIENTIFIC AND TECHNOLOGICAL ER ROAD SOFTWARE PARK, XIAN CITY HIGH-TECH ZONE, SHANXI PROVINCE, ZIP CODE:710075 |
|
| CP02 | Change in the address of a patent holder |
Address after: Shaanxi city of Xi'an province high tech Zone Technology Park Road two software Yue Pavilion room 703, zip code: 710075 Patentee after: Qiu Yang Address before: Innovative apartment, Jin Yip Road, hi tech West Zone, Shaanxi, Xi'an Province, China: 710075 Patentee before: Qiu Yang |
|
| DD01 | Delivery of document by public notice |
Addressee: Qiu Yang Document name: Notification to Pay the Fees |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090610 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Qiu Yang Document name: Notification of Expiration of Patent Right Duration |