CN111799537A - Millimeter wave high-power ultra-wideband waveguide coupling device - Google Patents
Millimeter wave high-power ultra-wideband waveguide coupling device Download PDFInfo
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- CN111799537A CN111799537A CN202010609956.7A CN202010609956A CN111799537A CN 111799537 A CN111799537 A CN 111799537A CN 202010609956 A CN202010609956 A CN 202010609956A CN 111799537 A CN111799537 A CN 111799537A
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- radio frequency
- waveguide
- glass bead
- coupling
- millimeter wave
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
- H01P5/022—Transitions between lines of the same kind and shape, but with different dimensions
- H01P5/024—Transitions between lines of the same kind and shape, but with different dimensions between hollow waveguides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
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Abstract
The invention discloses a millimeter wave high-power ultra-wideband waveguide coupling device, and aims to provide a millimeter wave waveguide coupling device with a wider monitoring frequency bandwidth. The invention is realized by the following technical scheme: a stepped transition input waveguide adapter (2) in transition connection with a radio frequency input glass bead (3) is arranged in the rectangular waveguide body (1), the stepped transition input waveguide adapter is coaxially connected with a coupling main circuit (4) through the radio frequency input glass bead, and the coupling main circuit is connected with a radio frequency output glass bead (5) and a stepped transition output waveguide adapter (6) through coaxial transition; a hollow metal block on a rectangular metal plate is internally provided with a U-shaped coupling secondary circuit, one end of the U-shaped coupling secondary circuit is connected with a radio frequency connector of a radio frequency glass bead, the other end of the U-shaped coupling secondary circuit is connected with a radio frequency branch glass bead, and the U-shaped coupling secondary circuit is loaded by radio frequency to form a millimeter wave high-power ultra wide band waveguide coupling device entering a monitoring system. The invention overcomes the defect that the selectivity of the electromagnetic wave in the prior art is only suitable for certain frequency transmission and can not monitor the frequency component with low frequency.
Description
Technical Field
The invention relates to a coupling device for monitoring millimeter wave large waveguide power and frequency spectrum in equipment in the field of high-frequency-band wireless communication. In particular to a millimeter wave high-power ultra-wideband waveguide coupling device.
Background
At present, the microwave frequency band becomes more and more crowded, and the usable frequency band of millimeter wave is wide, has improved information transmission rate greatly, has alleviated the crowded situation of frequency band to a certain extent, and millimeter wave's main shortcoming is that frequency selectivity absorption and scattering are more serious than the radio wave on the low frequency when transmitting in the atmosphere, especially exist under the condensate and other inhomogeneous condition in the atmosphere. The millimeter wave coupler can effectively monitor the channel quality in the communication process, and the waveguide has the characteristics of low loss and high power capacity, so that the millimeter wave high-power coupling device mostly adopts a waveguide structure. In order to meet different requirements of electronic equipment development, the coupler also develops from single-hole coupling to multi-hole coupling and from narrow-edge coupling to wide-edge coupling of the waveguide so as to meet different requirements of narrow-band, wide-band, weak coupling and strong coupling. In order to monitor power, a millimeter wave high-power communication system is generally provided with a waveguide coupling device at the rear end of a millimeter wave antenna, which is used as power and spectrum monitoring equipment. The transmission bandwidth is difficult to be made wide due to the transmission limitation of the waveguide coupling device, and especially when the bandwidth is compatible with the low-frequency part, the traditional waveguide coupling device has difficulty in providing the required performance. The millimeter wave high-power ultra-wideband waveguide coupling device is used as power and frequency spectrum monitoring equipment and is arranged at the rear end of the millimeter wave antenna; the millimeter wave high-power ultra-wideband waveguide coupling device in the prior art mainly has the problems and defects that the frequency component with low frequency cannot be monitored, the volume is relatively large, a large amount of space is wasted, the miniaturization and the compact layout of a system are not facilitated, and the like: the existing device is long in length, wastes a large amount of space and is not beneficial to miniaturization and compact layout of a system. Although the existing rectangular waveguides have certain electromagnetic wave selectivity, the existing rectangular waveguides are only suitable for certain frequency propagation. Due to the millimeter wave high-power ultra-wideband waveguide coupling device, only partial frequency can be monitored in practical application; the waveguide has the limitation of electromagnetic wave transmission mode, the frequency of the transmitted electromagnetic wave is limited, and the frequency component with low frequency cannot be monitored. If the frequency bandwidth to be monitored is wide, the existing millimeter wave high-power ultra-wideband waveguide coupling device is very difficult.
Disclosure of Invention
The invention aims to provide a millimeter wave high-power ultra-wideband waveguide coupling device which has a compact structure, a small size and a wider monitoring frequency bandwidth, aiming at the problems that the prior art cannot monitor low-frequency components, has a relatively large volume, wastes a large amount of space, is not beneficial to miniaturization, compact layout of a system and the like.
The above object of the present invention can be achieved by the following technical solutions, and a millimeter wave high-power ultra-wideband waveguide coupling device includes: set up the rectangular waveguide body 1 in rectangular cavity both ends rectangular cavity respectively, connect the rectangle metal sheet on rectangular waveguide body 1 and connect the cavity metal block 13 on the medium substrate waveguide body back of a ridge admittedly, its characterized in that: a stepped transition input waveguide adapter 2 in transition connection with a radio frequency input glass bead 3 is arranged in the rectangular waveguide body 1, the stepped transition input waveguide adapter 2 is coaxially connected with a coupling main circuit 4 through the radio frequency input glass bead 3, and the coupling main circuit 4 is coaxially connected with a radio frequency output glass bead 5 and a stepped transition output waveguide adapter 6 through transition connection; a hollow metal block 13 on a rectangular metal plate is internally provided with a U-shaped coupling secondary circuit 8, one end of the U-shaped coupling secondary circuit 8 is connected with a radio frequency connector 10 of a radio frequency glass bead 9, the other end of the U-shaped coupling secondary circuit 8 is connected with a radio frequency branch glass bead 11, and a millimeter wave high-power ultra wide band waveguide coupling device entering a monitoring system is formed by a radio frequency load 12.
Compared with the prior art, the invention has the following beneficial effects.
Compact structure and small size. The invention utilizes a rectangular waveguide 1 respectively arranged in rectangular cavities at two ends of a rectangular metal plate with a long strip shape, a rectangular metal plate fixedly connected on the rectangular waveguide 1 and a hollow metal block 13 fixedly connected on the ridge of a dielectric substrate waveguide to complete step transition input waveguide switching, a step transition input waveguide adapter 2 in transition connection with a radio frequency input glass bead 3 is arranged in the rectangular waveguide 1, the step transition input waveguide adapter 2 is coaxially connected with a coupling main circuit 4 through the radio frequency input glass bead 3, and the coupling main circuit 4 is coaxially connected with a radio frequency output glass bead 5 and a step transition output waveguide adapter 6 through coaxial transition; compact structure and small size. The problems and the defects that the prior art is relatively large in size, wastes a large amount of space, is not beneficial to miniaturization and compact layout of a system and the like are overcome.
Has a wide monitoring frequency bandwidth. The invention adopts a hollow metal block 13 on a rectangular metal plate to embed a U-shaped coupling secondary path 8, one end of the U-shaped coupling secondary path 8 is connected with a radio frequency connector 10 of a radio frequency glass bead 9, the other end of the U-shaped coupling secondary path is connected with a radio frequency branch glass bead 11, a millimeter wave high-power ultra-wideband waveguide coupling device entering a monitoring system is formed by a radio frequency load 12, the transmission frequency of the original rectangular waveguide 1 is widened by step transition input waveguide switching at two ends of the rectangular waveguide 1, and the radio frequency branch glass bead 11 connected with the coupling secondary path 8 is absorbed by the radio frequency load 12 to ensure that the radiation is not outward. The defect that in the prior art, the selectivity of the electromagnetic wave is only suitable for certain frequency transmission and the frequency component with low frequency cannot be monitored is overcome.
Drawings
The invention is further illustrated in the following description with reference to the figures and examples, but the invention is not limited thereby within the scope of the examples described.
Fig. 1 is a schematic three-dimensional perspective view of a millimeter wave high-power ultra-wideband waveguide coupling device of the present invention.
In the figure: 1. the radio frequency coupling device comprises a rectangular waveguide, 2 a step transition input waveguide adapter, 3 an input radio frequency glass bead, 4 a coupling main circuit, 5 a radio frequency output glass bead, 6 a step transition output waveguide adapter, 7 an output waveguide port, 8 a U-shaped coupling auxiliary circuit, 9 a radio frequency glass bead, 10 a radio frequency connector, 11 a radio frequency branch glass bead and a radio frequency load 12.
Detailed Description
See fig. 1. In a preferred embodiment described below, a millimeter wave high power ultra-wideband waveguide coupling device comprises: the waveguide comprises a rectangular waveguide body 1, a rectangular metal plate and a hollow metal block 13, wherein the rectangular waveguide body 1 is arranged in rectangular cavities at two ends of a strip-shaped rectangular metal plate respectively, the rectangular metal plate is fixedly connected to the rectangular waveguide body 1, and the hollow metal block 13 is fixedly connected to the back of the waveguide body of the dielectric substrate. Wherein: a stepped transition input waveguide adapter 2 in transition connection with a radio frequency input glass bead 3 is arranged in the rectangular waveguide body 1, the stepped transition input waveguide adapter 2 is coaxially connected with a coupling main circuit 4 through the radio frequency input glass bead 3, and the coupling main circuit 4 is coaxially connected with a radio frequency output glass bead 5 and a stepped transition output waveguide adapter 6 through transition connection; a hollow metal block 13 on a rectangular metal plate is internally provided with a U-shaped coupling secondary circuit 8, one end of the U-shaped coupling secondary circuit 8 is connected with a radio frequency connector 10 of a radio frequency glass bead 9, the other end of the U-shaped coupling secondary circuit 8 is connected with a radio frequency branch glass bead 11, and a millimeter wave high-power ultra wide band waveguide coupling device entering a monitoring system is formed by a radio frequency load 12.
Electromagnetic waves enter a step transition input waveguide adapter 2 from an input waveguide port of a rectangular waveguide 1, are divided into two paths through a radio frequency input glass bead 3, one path enters a radio frequency output glass bead 5 and a step transition output waveguide adapter 6 through a coupling main path 4, a coupling signal is output from an output waveguide port 7, the other path of electromagnetic waves enter a radio frequency connector 10 through a radio frequency glass bead 9 connected with one end of a U-shaped coupling auxiliary path 8 arranged in a hollow metal block 13, and the coupled and reflected electromagnetic waves are absorbed by a radio frequency load 12 connected with the radio frequency branch glass bead 11 connected with the output end of the U-shaped coupling auxiliary path 8 and then couple the generated millimeter wave high-power signal into a monitoring system.
The embodiments described above are some, but not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
Claims (2)
1. A millimeter wave high power ultra wide band waveguide coupling device comprising: set up rectangular waveguide body (1) in rectangular cavity both ends rectangular cavity respectively, connect the rectangle metal sheet on rectangular waveguide body (1) and connect cavity metal block (13) on the medium substrate waveguide body back of a ridge admittedly, its characterized in that: a stepped transition input waveguide adapter (2) in transition connection with a radio frequency input glass bead (3) is arranged in the rectangular waveguide body (1), the stepped transition input waveguide adapter (2) is coaxially connected with a coupling main path (4) through the radio frequency input glass bead (3), and the coupling main path (4) is coaxially connected with a radio frequency output glass bead (5) and a stepped transition output waveguide adapter (6) in transition connection; a U-shaped coupling secondary circuit (8) is arranged in a hollow metal block (13) on a rectangular metal plate, one end of the U-shaped coupling secondary circuit (8) is connected with a radio frequency connector (10) of a radio frequency glass bead (9), the other end of the U-shaped coupling secondary circuit is connected with a radio frequency branch glass bead (11), and a millimeter wave high-power ultra wide band waveguide coupling device entering a monitoring system is formed by a radio frequency load (12).
2. The millimeter wave high power ultra-wideband waveguide coupling device of claim 1, wherein: electromagnetic waves enter a step transition input waveguide adapter (2) from an input waveguide port of a rectangular waveguide (1), are divided into two paths through a radio frequency input glass bead (3), one path enters a radio frequency output glass bead (5) and a step transition output waveguide adapter (6) through a coupling main path (4), a coupling signal is output from an output waveguide port (7), the other path of electromagnetic waves enter a radio frequency connector (10) through a radio frequency glass bead (9) which is arranged in a hollow metal block (13) and is connected with one end of a U-shaped coupling auxiliary path (8), coupling reflected electromagnetic waves pass through a radio frequency branch glass bead (11) which is connected with an output end of the U-shaped coupling auxiliary path (8), and are absorbed by a radio frequency load (12) connected with the coupling reflected electromagnetic waves, and then generated high-power signals are coupled into a monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010609956.7A CN111799537A (en) | 2020-06-29 | 2020-06-29 | Millimeter wave high-power ultra-wideband waveguide coupling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010609956.7A CN111799537A (en) | 2020-06-29 | 2020-06-29 | Millimeter wave high-power ultra-wideband waveguide coupling device |
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| CN111799537A true CN111799537A (en) | 2020-10-20 |
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| CN202010609956.7A Pending CN111799537A (en) | 2020-06-29 | 2020-06-29 | Millimeter wave high-power ultra-wideband waveguide coupling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937480A (en) * | 2021-11-19 | 2022-01-14 | 中邮通建设咨询有限公司 | Integrated air-cooled communication antenna module |
| CN115117582A (en) * | 2022-08-02 | 2022-09-27 | 四川太赫兹通信有限公司 | Terahertz waveguide structure, radar system and electronic equipment |
| CN115133246A (en) * | 2022-08-01 | 2022-09-30 | 四川太赫兹通信有限公司 | Terahertz integrated waveguide cavity, waveguide structure, radiometer system and electronic equipment |
| CN115133246B (en) * | 2022-08-01 | 2024-10-22 | 四川太赫兹通信有限公司 | Terahertz integrated waveguide cavity, waveguide structure, radiometer system and electronic equipment |
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| US7683734B2 (en) * | 2007-03-15 | 2010-03-23 | Raytheon Canada Limited | RF re-entrant combiner |
| CN201601206U (en) * | 2010-03-04 | 2010-10-06 | 安徽易科技术有限公司 | Directed coupler |
| CN204361221U (en) * | 2015-01-08 | 2015-05-27 | 成都盟升科技有限公司 | A kind of C-band band pass filter |
| CN107689472A (en) * | 2017-07-12 | 2018-02-13 | 北京遥测技术研究所 | A kind of efficient, low-loss broadband waveguide microstrip transitions device |
| CN107732398A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | A kind of broadband high-power millimeter wave overmoded waveguide TE01Directional coupler |
| CN108682930A (en) * | 2018-04-24 | 2018-10-19 | 中天射频电缆有限公司 | A kind of termination Waveguide transitions |
| CN208093714U (en) * | 2017-12-22 | 2018-11-13 | 四川欣科奥电子科技有限公司 | A kind of coaxial bead of novel millimeter wave turns the transition structure of micro-strip |
| CN209880780U (en) * | 2019-05-15 | 2019-12-31 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Elliptical waveguide coaxial converter |
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2020
- 2020-06-29 CN CN202010609956.7A patent/CN111799537A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7683734B2 (en) * | 2007-03-15 | 2010-03-23 | Raytheon Canada Limited | RF re-entrant combiner |
| CN201601206U (en) * | 2010-03-04 | 2010-10-06 | 安徽易科技术有限公司 | Directed coupler |
| CN204361221U (en) * | 2015-01-08 | 2015-05-27 | 成都盟升科技有限公司 | A kind of C-band band pass filter |
| CN107689472A (en) * | 2017-07-12 | 2018-02-13 | 北京遥测技术研究所 | A kind of efficient, low-loss broadband waveguide microstrip transitions device |
| CN107732398A (en) * | 2017-08-31 | 2018-02-23 | 电子科技大学 | A kind of broadband high-power millimeter wave overmoded waveguide TE01Directional coupler |
| CN208093714U (en) * | 2017-12-22 | 2018-11-13 | 四川欣科奥电子科技有限公司 | A kind of coaxial bead of novel millimeter wave turns the transition structure of micro-strip |
| CN108682930A (en) * | 2018-04-24 | 2018-10-19 | 中天射频电缆有限公司 | A kind of termination Waveguide transitions |
| CN209880780U (en) * | 2019-05-15 | 2019-12-31 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Elliptical waveguide coaxial converter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937480A (en) * | 2021-11-19 | 2022-01-14 | 中邮通建设咨询有限公司 | Integrated air-cooled communication antenna module |
| CN115133246A (en) * | 2022-08-01 | 2022-09-30 | 四川太赫兹通信有限公司 | Terahertz integrated waveguide cavity, waveguide structure, radiometer system and electronic equipment |
| CN115133246B (en) * | 2022-08-01 | 2024-10-22 | 四川太赫兹通信有限公司 | Terahertz integrated waveguide cavity, waveguide structure, radiometer system and electronic equipment |
| CN115117582A (en) * | 2022-08-02 | 2022-09-27 | 四川太赫兹通信有限公司 | Terahertz waveguide structure, radar system and electronic equipment |
| CN115117582B (en) * | 2022-08-02 | 2024-03-26 | 四川太赫兹通信有限公司 | Terahertz waveguide structure, radar system and electronic equipment |
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Application publication date: 20201020 |