CN103730711A - Differential phase shift type pulse high-power waveguide circulator - Google Patents
Differential phase shift type pulse high-power waveguide circulator Download PDFInfo
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- CN103730711A CN103730711A CN201410021053.1A CN201410021053A CN103730711A CN 103730711 A CN103730711 A CN 103730711A CN 201410021053 A CN201410021053 A CN 201410021053A CN 103730711 A CN103730711 A CN 103730711A
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Abstract
The invention provides a differential phase shift type pulse high-power waveguide circulator and relates to the field of radio frequency devices. The differential phase shift type pulse high-power waveguide circulator is formed by connecting a 3Db slot bridge, a parallel-connected ferrite 90-degree nonreciprocal phase shifter and a folding double-T-bridge through flanges, works at S-waveband 3.7GHz and can bear 250 KW, the pulse width is 2s, and the pulse energy reaches to 500KJ. The differential phase shift type pulse high-power waveguide circulator is used for a high-power and high-pulse-energy radio frequency system. Due to the fact that the pulse energy passing through the circulator reaches to 500KJ and heat produced by a ferrite piece in the circulator exceeds 25KJ, the temperature in the ferrite piece possibly reaches to or even exceeds 80 DEG C. The problems of gadget insertion loss, high ferrite piece temperature and the like under the high-pulse-energy condition are mainly solved.
Description
Technical field:
The present invention relates to radio-frequency apparatus field, relate in particular to a kind of high power circulator, be specifically related to a kind of differential phase shift formula high power waveguide junction circulator.
Background technology:
High-Power Microwave device is widely used in the fields such as radar and particle accelerator, and along with the progress of technology, microwave source is to more high power development, thus the needs development High-Power Microwave device supporting with it.S-band radio frequency high-power equipment emission source power may reach MW class, or average power to reach 50KW even higher.In high power situation, must consider heat conduction and heat radiation factor, otherwise when power is higher, the dissipation of heat that electromagnetic consumable in ferrite produces is not gone out, ferritic temperature surpasses its ability to bear, and device performance meeting severe exacerbation, even causes ferrite sheet and ferrite to damage.
Summary of the invention:
The object of this invention is to provide a kind of differential phase shift formula high power waveguide junction circulator, it is for the radio system of high power high pulse energy, because its pulse energy of passing through reaches 500KJ, the heat producing in ferrite sheet in circulator surpasses 25KJ, and in ferrite sheet, temperature may meet or exceed 80 ℃; Mainly solved under the condition of high pulse energy, reduced device Insertion Loss, reduced the problems such as temperature of ferrite sheet.
In order to solve the existing problem of background technology, the present invention adopts following technical scheme: it is comprised of 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge, 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge are formed by connecting by flange, it is operated in S-band 3.7GHz, the pulse power can bear reaches 250KW, pulse duration 2s, pulse energy reaches 500KJ.
Described 3dB crack electric bridge cavity A1 compresses at short seam place, increases tuning screw one A2 slot ends is mated in the middle of short seam.
Described 90 ° of nonreciprocal phase-shifters of ferrite in parallel are to consist of two sections of waveguide cavity B1 in parallel, eight ferrite sheet B2, outside 6 permanent magnets of waveguide cavity, two sections of waveguide cavity B1 in parallel are that square waveguide is arranged side by side, its size is identical, the material of ferrite sheet B2, size are all identical, use firmly, the glue of perfect heat-dissipating is in two sections of waveguide cavity B1 in parallel, the outer permanent magnet of waveguide cavity is close to wave guide wall and is fixed on outside waveguide cavity, and the constructed magnetic direction of the middle two permanent magnets magnetic direction constructed with four permanent magnets of both sides is contrary.
Two parallel bores of described folding twin-T bridge, for compression waveguide mouth, spread out to connect with phase shifter section waveguide mouth and mate, and by ring flange, connect.
The present invention has adopted S-band can bear 4 port circulators of 2s broad pulse 250KW power; For the radio system of high power high pulse energy, because its pulse energy of passing through reaches 500KJ, the heat producing in ferrite sheet in circulator surpasses 25KJ, and in ferrite sheet, temperature may meet or exceed 80 ℃; Mainly solved under the condition of high pulse energy, reduced device Insertion Loss, reduced the problems such as temperature of ferrite sheet.
Accompanying drawing explanation:
Fig. 1 is the structural representation of 3dB crack electric bridge in the present invention;
Fig. 2 is the structural representation of 90 ° of nonreciprocal phase-shifters of ferrite in parallel in the present invention;
Fig. 3 is the structural representation of folding twin-T bridge in the present invention;
Fig. 4 is composition schematic diagram of the present invention;
Fig. 5 is the stereogram that the present invention assembles;
Fig. 6 is that signal of the present invention flows to schematic diagram.
Embodiment:
Referring to Fig. 1-Fig. 6, this embodiment adopts following technical scheme: it is comprised of 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge, 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge are formed by connecting by flange, it is operated in S-band 3.7GHz, what can bear reaches 250KW, pulse duration 2s, pulse energy reaches 500KJ.
Described 3dB crack electric bridge cavity A1 compresses at short seam place, increases tuning screw one A2 slot ends is mated in the middle of short seam; On the electric bridge cavity A1 of 3dB crack, be respectively arranged with 3dB crack electric bridge port one A31,3dB crack electric bridge port two A32,3dB crack electric bridge port three A33,3dB crack electric bridge port four A34.
Described 90 ° of nonreciprocal phase-shifters of ferrite in parallel are to consist of two sections of waveguide cavity B1 in parallel, eight ferrite sheet B2, outside 6 permanent magnets of waveguide cavity, two sections of waveguide cavity B1 in parallel are that square waveguide is arranged side by side, its size is identical, the material of ferrite sheet B2, size are all identical, use firmly, the glue of perfect heat-dissipating is in two sections of waveguide cavity B1 in parallel, the outer permanent magnet of waveguide cavity is close to wave guide wall and is fixed on outside waveguide cavity, and the constructed magnetic direction of the middle two permanent magnets magnetic direction constructed with four permanent magnets of both sides is contrary; On described 90 ° of nonreciprocal phase-shifters of ferrite in parallel, be respectively arranged with 90 ° of nonreciprocal phase-shifter port one B31 of ferrite in parallel, 90 ° of nonreciprocal phase-shifter port two B32 of ferrite in parallel, 90 ° of nonreciprocal phase-shifter port three B33 of ferrite in parallel, 90 ° of nonreciprocal phase-shifter port four B34 of ferrite in parallel.
Described two parallel bores of folding twin-T bridge, for compression waveguide mouth, spread out to connect with phase shifter section waveguide mouth and mate, and by ring flange, connect; On described folding twin-T bridge, be respectively arranged with folding twin-T bridge port one C31, folding twin-T bridge port two C32, folding twin-T bridge port three C33, folding twin-T bridge port four C34, allotment screw two C1, allotment screw three C2.
The principle of this embodiment is: when microwave signal is inputted from A port, arriving place, electric bridge crack, 3dB crack is divided into two, be evenly distributed on 3dB crack electric bridge port three A33, 3dB crack electric bridge port four A34 passages, and the wave phase of 90 ° of nonreciprocal phase-shifter port four B34 passages of 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, two B32-ferrite in parallel lags behind 90 ° than 90 ° of nonreciprocal phase-shifter ports of 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, one B31-ferrite in parallel, three B33 passages, and input 90 ° of nonreciprocal phase-shifter port two B32 of ferrite in parallel and 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, four B34 ports are isolated, under the effect in additional permanent magnetic field, 90 ° of the signals 90 ° of nonreciprocal phase-shifter ports of leading edge ferrite in parallel 90 ° of nonreciprocal phase-shifter port two B32 → ferrite in parallel, four B34 being transmitted along the microwave signal of 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel 90 ° of nonreciprocal phase-shifter port one B31 → ferrite in parallel, three B33 transmission, if the loss in 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, two B32-, 90 ° of nonreciprocal phase-shifter port four B34 of ferrite in parallel and 90 ° of nonreciprocal phase-shifter ports of 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, one B31-ferrite in parallel, three B33 passages is equal to each other, these microwave signals just enter the input of folding twin-T bridge with equal amplitudes and phase place so, known according to the characteristic of twin-T bridge, signal is exported from H port, and E port no signal (isolation end), with same principle, obtaining belt closing is 41 → 42 → 43 → 44 → 41, if connect power termination at 44 ports, these are 41 years old, 42, 43 form 3 port differential phase shift formula circulators.By adjusting the distribution ratio of allocating screw one A2 adjustment electric bridge in the electric bridge of 3dB crack, the signal amplitude that enters 3dB crack electric bridge port three A33 and 3dB crack electric bridge port four A34 ports is equated, and the size on phase shifter section both sides is identical with material, the loss in 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, two B32-, 90 ° of nonreciprocal phase-shifter port four B34 of ferrite in parallel and 90 ° of nonreciprocal phase-shifter ports of 90 ° of nonreciprocal phase-shifter ports of ferrite in parallel, one B31-ferrite in parallel, three B33 passages is almost equal.
The differential phase shift formula pulse large power waveguide circulator of this embodiment, the pulse power of bearing reaches 250KW, pulse duration reaches 2s, pulse energy reaches 500KJ, in this circulator, adopt low-loss, Ferrite Material that temperature performance is good, by accurate design, the THICKNESS CONTROL of ferrite sheet is arrived in 3mm, the insertion loss of device integral body is less than 0.2dB, and the energy within the whole pulse period in ferrite can fully distribute fast.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. differential phase shift formula pulse large power waveguide circulator, it is characterized in that it is comprised of 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge, 3dB crack electric bridge, 90 ° of nonreciprocal phase-shifters of ferrite in parallel, folding twin-T bridge are formed by connecting by flange, it is operated in S-band 3.7GHz, the pulse power can bear reaches 250KW, pulse duration 2s, pulse energy reaches 500KJ.
2. differential phase shift formula pulse large power waveguide circulator according to claim 1, it is characterized in that described 3dB crack electric bridge cavity (A1) compresses at short seam place, in the middle of short seam, increase tuning screw one (A2) slot ends is mated.
3. differential phase shift formula pulse large power waveguide circulator according to claim 1, it is characterized in that described 90 ° of nonreciprocal phase-shifters of ferrite in parallel are by two sections of waveguide cavity in parallel (B1), eight ferrite sheets (B2), outside 6 permanent magnets of waveguide cavity form, two sections of waveguide cavity in parallel (B1) are arranged side by side for square waveguide, its size is identical, the material of ferrite sheet (B2), size is all identical, use firmly, the glue of perfect heat-dissipating is in two sections of waveguide cavity in parallel (B1), the outer permanent magnet of waveguide cavity is close to wave guide wall and is fixed on outside waveguide cavity, the constructed magnetic direction of the middle two permanent magnets magnetic direction constructed with four permanent magnets of both sides is contrary.
4. differential phase shift formula pulse large power waveguide circulator according to claim 1, is characterized in that two parallel bores of described folding twin-T bridge, for compression waveguide mouth, spread out to connect with phase shifter section waveguide mouth and mate, and by ring flange, connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410021053.1A CN103730711A (en) | 2014-01-17 | 2014-01-17 | Differential phase shift type pulse high-power waveguide circulator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377403A (en) * | 2014-11-14 | 2015-02-25 | 南京国睿微波器件有限公司 | X wave band ferrite rotating field phase shifter |
| CN105356015A (en) * | 2015-08-11 | 2016-02-24 | 西北核技术研究所 | Ferrite phase shifter used for X waveband |
| CN107331966A (en) * | 2017-07-21 | 2017-11-07 | 电子科技大学 | A kind of high-power second order and N rank Butler matrixes based on rectangular waveguide |
| CN111490325A (en) * | 2020-04-21 | 2020-08-04 | 中国科学院合肥物质科学研究院 | S-waveband hundred-kilowatt-level stable high-power isolator |
| CN114143952A (en) * | 2021-11-19 | 2022-03-04 | 清华大学 | Disc type 3dB flow mixer and electronic linear accelerator |
| CN114374066A (en) * | 2022-01-18 | 2022-04-19 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Circulator for ultra-wideband high-power satellite |
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| RU2004134130A (en) * | 2004-11-23 | 2006-05-10 | Федеральное государственное унитарное предпри тие"Государственный московский завод "Салют" (RU) | PHASE TYPE WAVEGUIDE CIRCULATOR |
| CN202333102U (en) * | 2011-11-03 | 2012-07-11 | 成都信息工程学院 | X-waveband high-power waveguide junction circulator |
| CN202444044U (en) * | 2012-01-19 | 2012-09-19 | 成都信息工程学院 | Waveguide circulator |
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2014
- 2014-01-17 CN CN201410021053.1A patent/CN103730711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2004134130A (en) * | 2004-11-23 | 2006-05-10 | Федеральное государственное унитарное предпри тие"Государственный московский завод "Салют" (RU) | PHASE TYPE WAVEGUIDE CIRCULATOR |
| CN202333102U (en) * | 2011-11-03 | 2012-07-11 | 成都信息工程学院 | X-waveband high-power waveguide junction circulator |
| CN202444044U (en) * | 2012-01-19 | 2012-09-19 | 成都信息工程学院 | Waveguide circulator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377403A (en) * | 2014-11-14 | 2015-02-25 | 南京国睿微波器件有限公司 | X wave band ferrite rotating field phase shifter |
| CN105356015A (en) * | 2015-08-11 | 2016-02-24 | 西北核技术研究所 | Ferrite phase shifter used for X waveband |
| CN105356015B (en) * | 2015-08-11 | 2019-07-19 | 西北核技术研究所 | A kind of ferrite phase shifter for X-band |
| CN107331966A (en) * | 2017-07-21 | 2017-11-07 | 电子科技大学 | A kind of high-power second order and N rank Butler matrixes based on rectangular waveguide |
| CN111490325A (en) * | 2020-04-21 | 2020-08-04 | 中国科学院合肥物质科学研究院 | S-waveband hundred-kilowatt-level stable high-power isolator |
| CN111490325B (en) * | 2020-04-21 | 2021-12-28 | 中国科学院合肥物质科学研究院 | S-waveband hundred-kilowatt-level stable high-power isolator |
| CN114143952A (en) * | 2021-11-19 | 2022-03-04 | 清华大学 | Disc type 3dB flow mixer and electronic linear accelerator |
| CN114143952B (en) * | 2021-11-19 | 2023-03-21 | 清华大学 | Disc type 3dB flow mixer and electronic linear accelerator |
| CN114374066A (en) * | 2022-01-18 | 2022-04-19 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Circulator for ultra-wideband high-power satellite |
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Application publication date: 20140416 |