CN2760785Y - Multi-node waveguide array antenna - Google Patents
Multi-node waveguide array antenna Download PDFInfo
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- CN2760785Y CN2760785Y CN 200420122537 CN200420122537U CN2760785Y CN 2760785 Y CN2760785 Y CN 2760785Y CN 200420122537 CN200420122537 CN 200420122537 CN 200420122537 U CN200420122537 U CN 200420122537U CN 2760785 Y CN2760785 Y CN 2760785Y
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Abstract
The utility model relates to a multi-node waveguide array antenna which comprises a multi-node waveguide array and a curved waveguide array. The utility model is characterized in that the side walls of main waveguides of a plurality of sections of the curved waveguide array are all provided with extraction openings; a circular metal pipe is covered outside and connected with the curved waveguide array; the extraction openings are in the shape of a circular sieve opening which has the diameter of 2.5-3.5 millimeters. By the method that the side walls of the main waveguides of a plurality of sections of the curved waveguide array are additionally provided with extraction openings, the utility model can greatly reduce the air flow resistance in the antenna when the antenna is in vacuum pumping, which simplifies the vacuum process of a system; moreover, the utility model has the advantages of artful and reasonable design, simple structure, easy operation, low cost and favorable popularization.
Description
Technical field
The utility model relates to a kind of vacuum technique and microwave antenna technology, specifically a kind of many knot waveguide array antennas.
Background technology
The lower hybrid wave drive current experimental results show that to be the most effective non-induction drive current on the controlled magnetic confinement thermonuclear fusion device of tokamak type, the antenna great majority that use in the large-scale lower hybrid wave system are phased many knot waveguide array antennas, this antenna all is to be operated in the vacuum environment, the zone, vacuum space goes out the tokamak vacuum chamber, the tokamak window neck-pipe, welding bellows, the vacuum seal microwave window that the antenna vacuum chamber is connected with the antenna energy regenerative port composition that joins end to end, the vacuum seal microwave window separates vacuum area and atmospheric environment, all be furnished with the large-scale vacuum pump on tokamak vacuum chamber and the antenna vacuum chamber, will be evacuated in the vacuum area.Usually, tie the waveguide array antenna gas inside more and be discharged in tokamak vacuum chamber and the antenna vacuum chamber, go out vacuum pump again and extract out via the aerial radiation port; But, large-scale many knot waveguide array antenna longitudinal sizes very long (from antenna energy regenerative port to spoke body port), thus make that when bleeding, the air flow resistance in the antenna is very big, is unfavorable for the vacuum treatment of system.
The utility model content
The purpose of this utility model is the defective during at above-mentioned antenna vacuum treatment, and a kind of air flow resistance in the antenna that can reduce widely when vacuumizing is provided, many knots waveguide array antenna that the vacuum treatment of system is oversimplified.
The utility model comprises many knot waveguide battle arrays and curved waveguide battle array, and it is characterized in that: all have bleeding point on the main waveguide sidewalls of plurality of sections curved waveguide battle array, its outer cover connects a metal circular tube.
Bleeding exports rounded sieve aperture shape, and sieve diameter is 2.5～3.5 millimeters.
When carrying out the antenna vacuum treatment, because lower hybrid wave is tied the operating frequency of waveguide array antenna in S-band more, therefore, the microwave energy that can be coupled away from the aperture of 2.5～3.5 millimeters of diameters is very little, the very little microwave energy that this is coupled out, again through and the decay of the cylindrical metal pipe that welds together of waveguide sidewalls, the microwave energy that finally can leak in the antenna vacuum chamber just can have been ignored basically; But, antenna curved waveguide battle array and antenna are tied the gas in the waveguide battle array aft section space more, just can discharge from the passage of these apertures and cylindrical metal pipe formation, and unnecessary as previous, can only discharge from the aerial radiation port through very long waveguide channels.
Effect of the present utility model
1, the utility model reduces the air flow resistance in the antenna when vacuumizing significantly by the way of increase bleeding point on the main waveguide sidewalls of plurality of sections curved waveguide battle array, and the vacuum treatment of system is oversimplified.
2, the utility model design is ingenious and reasonable, and simple in structure and easy row is with low cost and be beneficial to popularization.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the bleeding point schematic diagram.
Fig. 3 connects the metal circular tube schematic diagram for the mouth mask of bleeding.
Fig. 4 is many knot waveguide array antennas and the connection diagram that protracts mark's device.
Embodiment
Embodiment 1
Referring to Fig. 1-4, battle array 2 is led in knot wave conductors 1 and bending more than the utility model comprises, all have rounded sieve aperture shape bleeding point 4 on the sidewall of the main waveguide 3 of plurality of sections curved waveguide battle array 2, cylindrical metal pipe 5 of its outer cover, metal circular tube is connected on the main waveguide sidewalls by argon arc welding, make it constitute the exhaust passage, the zone, vacuum space is by the tokamak vacuum chamber, tokamak window neck-pipe welding bellows, the vacuum seal microwave window that the antenna vacuum chamber is connected with the antenna energy regenerative port composition that joins end to end, the vacuum seal microwave window separates vacuum area and atmospheric environment, all be furnished with the large-scale vacuum pump on tokamak vacuum chamber and the antenna vacuum chamber, will be evacuated in the vacuum area.Usually, tying the waveguide array antenna gas inside can only be discharged in tokamak vacuum chamber and the antenna vacuum chamber by the aerial radiation port by curved waveguide battle array 2 and many knot waveguide battle arrays 1 more, is extracted out by vacuum pump again.The utility model has been set up bleeding point on the main waveguide sidewalls of antenna curved waveguide battle array, like this, when vacuumizing, gas in the antenna curved waveguide battle array 2, and tie portion gas in the waveguide battle array 1 more, and just can discharge from the outlet passageway that sieve aperture 4 and cylindrical metal pipe 5 constitute, and unnecessary as before, can only discharge from the aerial radiation port through curved waveguide battle array 2 and many knot waveguide battle arrays 1; That is to say that the utility model makes the gas of segment space in the antenna when vacuumizing, many passing aways of several shortcuts make the vacuum treatment of the system simplification that becomes.
Claims (2)
1, a kind of many knot waveguide array antennas comprise many knot waveguide battle arrays and curved waveguide battle array, and it is characterized in that: all have bleeding point on the main waveguide sidewalls of plurality of sections curved waveguide battle array, its outer cover connects a metal circular tube.
2, many knot waveguide array antennas according to claim 1, it is characterized in that: the rounded sieve aperture shape of described bleeding point, sieve diameter is 2.5～3.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122537 CN2760785Y (en) | 2004-12-10 | 2004-12-10 | Multi-node waveguide array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420122537 CN2760785Y (en) | 2004-12-10 | 2004-12-10 | Multi-node waveguide array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2760785Y true CN2760785Y (en) | 2006-02-22 |
Family
ID=36082982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420122537 Expired - Fee Related CN2760785Y (en) | 2004-12-10 | 2004-12-10 | Multi-node waveguide array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2760785Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200756A (en) * | 2013-03-22 | 2013-07-10 | 中国科学院等离子体物理研究所 | Method for optimization of geometrical shape of radiation end face of TOKMAK low-hybrid wave antenna |
| CN104105330A (en) * | 2014-06-17 | 2014-10-15 | 合肥聚能电物理高技术开发有限公司 | High-accuracy, high-strength and low-hybrid wave antenna structure and preparation technology |
| CN112236903A (en) * | 2018-06-01 | 2021-01-15 | 瑞士十二公司 | Radio frequency module |
-
2004
- 2004-12-10 CN CN 200420122537 patent/CN2760785Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103200756A (en) * | 2013-03-22 | 2013-07-10 | 中国科学院等离子体物理研究所 | Method for optimization of geometrical shape of radiation end face of TOKMAK low-hybrid wave antenna |
| CN103200756B (en) * | 2013-03-22 | 2015-09-09 | 中国科学院等离子体物理研究所 | TOKMAK lower hybrid wave aerial radiation end face geometry optimization method |
| CN104105330A (en) * | 2014-06-17 | 2014-10-15 | 合肥聚能电物理高技术开发有限公司 | High-accuracy, high-strength and low-hybrid wave antenna structure and preparation technology |
| CN104105330B (en) * | 2014-06-17 | 2016-07-06 | 合肥聚能电物理高技术开发有限公司 | A kind of high accuracy high intensity lower hybrid wave antenna structure and processing technology |
| CN112236903A (en) * | 2018-06-01 | 2021-01-15 | 瑞士十二公司 | Radio frequency module |
| CN112236903B (en) * | 2018-06-01 | 2024-05-10 | 瑞士十二公司 | Radio frequency module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |