CN205406697U - High -power rectangular waveguide coupler - Google Patents
High -power rectangular waveguide coupler Download PDFInfo
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- CN205406697U CN205406697U CN201620167402.5U CN201620167402U CN205406697U CN 205406697 U CN205406697 U CN 205406697U CN 201620167402 U CN201620167402 U CN 201620167402U CN 205406697 U CN205406697 U CN 205406697U
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Abstract
The utility model relates to a waveguide coupler, especially a high -power rectangular waveguide coupler, including main rectangular waveguide, vice rectangular waveguide, major -minor chamber baffle, radio frequency coaxial connector with disturb the stick, main rectangular waveguide includes that the principal wave leads the coupled cavity, and vice rectangular waveguide includes that the complementary wave leads the coupled cavity, and lead the coupled cavity to the baffle setting of major -minor chamber and the complementary wave is led between the coupled cavity at the principal wave, is provided with the coupling hole on the baffle of major -minor chamber, and the principal wave is led coupled cavity and complementary wave and is led the coupled cavity and be linked together through the coupling hole. The utility model discloses compact structure, can bear the high -frequency power, processing is simple, insertion loss is low, compares with ordinary haplopore directional coupler, has outstanding advantage in the aspect of the undershoot damage to in the aspect of coupling coefficient, can adopt and disturb the stick to adjust coupled cavity magnetic field, make its coupling electromagnetic field produce new distribution, thereby reach the effect of adjusting coupling coefficient, compensate the error that produces in processing and the assembly, reach the optimum design requirement.
Description
Technical field
This utility model relates to waveguide coupler, especially a kind of high-power rectangular waveguide coupler.
Background technology
Directional coupler is a wide variety of device in microwave measurement system, is generally used for power samples, isolation, mixing, power monitoring and as reflexometer use etc..In recent years, microstrip line, strip line directional coupler, because its volume is little, performance indications number, the advantage such as easy to make and quickly grow, form is varied, but above-mentioned device to bear power generally relatively low, high frequency power can not be born, and the coefficient of coup is once machine-shaping just cannot regulate.
Utility model content
The technical problems to be solved in the utility model is in that offer one can when high-frequency microwave, it is achieved the high-power rectangular waveguide coupler of the power adjustable coupling of rectangle and coaxial waveguide.
The technical scheme realizing this utility model purpose is: high-power rectangular waveguide coupler, including main rectangular waveguide, secondary rectangular waveguide, major-minor chamber dividing plate, radio frequency (RF) coaxial connector and interference rod, main rectangular waveguide includes main waveguide coupled cavity, secondary rectangular waveguide includes complementary wave and leads coupled cavity, major-minor chamber dividing plate is arranged on main waveguide coupled cavity and complementary wave is led between coupled cavity, major-minor chamber dividing plate is provided with coupling aperture, main waveguide coupled cavity is led coupled cavity with complementary wave and is connected by coupling aperture, the axis of main waveguide coupled cavity and complementary wave are led the axis of coupled cavity and are parallel to each other, radio frequency (RF) coaxial connector is arranged on secondary rectangular waveguide, the head of interference rod is positioned at complementary wave and leads the outside of coupled cavity, the afterbody of interference rod is arranged in complementary wave and leads coupled cavity.
As prioritization scheme of the present utility model, the inner of radio frequency (RF) coaxial connector is provided with the inner wire joint leading the interference of electromagnetic field in coupled cavity for regulating complementary wave.
As prioritization scheme of the present utility model, the two ends of main rectangular waveguide are respectively arranged with flange, and one end of main rectangular waveguide is as the input of high-power rectangular waveguide coupler, and the other end of main rectangular waveguide is as the outfan of high-power rectangular waveguide coupler.
As prioritization scheme of the present utility model, radio frequency (RF) coaxial connector is two, and interference rod is positioned at the centre of two radio frequency (RF) coaxial connectors.
As prioritization scheme of the present utility model, the coupling aperture that major-minor chamber dividing plate is arranged is even number, and coupling aperture centrage about major-minor chamber dividing plate between two is symmetrical.
This utility model has positive effect: this utility model compact conformation, can bear high frequency power, processing is simple, insertion loss is low, compared with common single-hole directional coupler, there is outstanding advantage in filter with low insertion loss, and in the coefficient of coup, it is possible to adopt interference rod to regulate coupled cavity magnetic field, its coupled electromagnetic field is made to produce new distribution, thus reaching to regulate the effect of the coefficient of coup, making up the error produced in processing and assembling, reaching optimal design requirement.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and in conjunction with accompanying drawing, this utility model is described in further detail:
Fig. 1 is structure chart of the present utility model；
Fig. 2 is the structure chart of major-minor chamber dividing plate.
Wherein: 1, main rectangular waveguide, 2, secondary rectangular waveguide, 3, major-minor chamber dividing plate, 4, radio frequency (RF) coaxial connector, 5, interference rod, 6, inner wire joint, 7, flange, 11, main waveguide coupled cavity, 21, complementary wave lead coupled cavity, 31, coupling aperture.
Detailed description of the invention
nullAs depicted in figs. 1 and 2，The utility model discloses high-power rectangular waveguide coupler，Including main rectangular waveguide 1、Secondary rectangular waveguide 2、Major-minor chamber dividing plate 3、Radio frequency (RF) coaxial connector 4 and interference rod 5，Main rectangular waveguide 1 includes main waveguide coupled cavity 11，Secondary rectangular waveguide 2 includes complementary wave and leads coupled cavity 21，Major-minor chamber dividing plate 3 is arranged on main waveguide coupled cavity 11 and complementary wave is led between coupled cavity 21，Major-minor chamber dividing plate 3 is provided with coupling aperture 31，Main waveguide coupled cavity 11 is led coupled cavity 21 and is connected by coupling aperture 31 with complementary wave，The axis of main waveguide coupled cavity 11 and complementary wave are led the axis of coupled cavity 21 and are parallel to each other，Radio frequency (RF) coaxial connector 4 is arranged on secondary rectangular waveguide 2，The head of interference rod 5 is positioned at complementary wave and leads the outside of coupled cavity 21，The afterbody of interference rod 5 is arranged in complementary wave and leads coupled cavity 21.Wherein, main rectangular waveguide 1 and secondary rectangular waveguide 2 are all pressed on major-minor chamber dividing plate 3, the main mould H face of the main mould H face of main rectangular waveguide 1 and secondary rectangular waveguide 2 is parallel to each other, it is mutually isolated by major-minor chamber dividing plate 3 that main waveguide coupled cavity 11 and complementary wave lead coupled cavity 21, and main waveguide coupled cavity 11 is led coupled cavity 21 and connected by coupling aperture 31 with complementary wave.In order to ensure that complementary wave leads the sealing of coupled cavity 21, when secondary rectangular waveguide 2 installs radio frequency (RF) coaxial connector 4, sealing ring can be installed additional on radio frequency (RF) coaxial connector 4.
The inner of radio frequency (RF) coaxial connector 4 is provided with the inner wire joint 6 leading the interference of electromagnetic field in coupled cavity 21 for regulating complementary wave.As it is shown in figure 1, the inner wire of radio frequency (RF) coaxial connector 4 has been additionally arranged at the bottom inner wire joint 6.
The two ends of main rectangular waveguide 1 are respectively arranged with flange 7, and one end of main rectangular waveguide 1 is as the input of high-power rectangular waveguide coupler, and the other end of main rectangular waveguide 1 is as the outfan of high-power rectangular waveguide coupler.
Radio frequency (RF) coaxial connector 4 is two, and interference rod 5 is positioned at the centre of two radio frequency (RF) coaxial connectors 4.Lead the degree of depth in coupled cavity 21 by regulating interference rod 5 at complementary wave, change Distribution of Magnetic Field, regulate the coefficient of coup, thus making up the error produced in processing and assembling.
The coupling aperture 31 arranged on major-minor chamber dividing plate 3 is even number, and coupling aperture 31 centrage about major-minor chamber dividing plate 3 between two is symmetrical.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (5)
- null1. high-power rectangular waveguide coupler，It is characterized in that: include main rectangular waveguide (1)、Secondary rectangular waveguide (2)、Major-minor chamber dividing plate (3)、Radio frequency (RF) coaxial connector (4) and interference rod (5)，Described main rectangular waveguide (1) includes main waveguide coupled cavity (11)，Described secondary rectangular waveguide (2) includes complementary wave and leads coupled cavity (21)，Described major-minor chamber dividing plate (3) is arranged on main waveguide coupled cavity (11) and complementary wave is led between coupled cavity (21)，Described major-minor chamber dividing plate (3) is provided with coupling aperture (31)，Described main waveguide coupled cavity (11) is led coupled cavity (21) and is connected by coupling aperture (31) with complementary wave，The axis of main waveguide coupled cavity (11) and complementary wave are led the axis of coupled cavity (21) and are parallel to each other，Described radio frequency (RF) coaxial connector (4) is arranged on secondary rectangular waveguide (2)，The head of interference rod (5) is positioned at complementary wave and leads the outside of coupled cavity (21)，The afterbody of interference rod (5) is arranged in complementary wave and leads coupled cavity (21).
- 2. high-power rectangular waveguide coupler according to claim 1, it is characterised in that: the inner of radio frequency (RF) coaxial connector (4) is provided with the inner wire joint (6) leading the interference of electromagnetic field in coupled cavity (21) for regulating complementary wave.
- 3. high-power rectangular waveguide coupler according to claim 1, it is characterized in that: the two ends of described main rectangular waveguide (1) are respectively arranged with flange (7), one end of main rectangular waveguide (1) is as the input of high-power rectangular waveguide coupler, and the other end of main rectangular waveguide (1) is as the outfan of high-power rectangular waveguide coupler.
- 4. high-power rectangular waveguide coupler according to claim 1, it is characterised in that: described radio frequency (RF) coaxial connector (4) is two, and described interference rod (5) is positioned at the centre of two radio frequency (RF) coaxial connectors (4).
- 5. high-power rectangular waveguide coupler according to claim 1, it is characterized in that: the upper coupling aperture (31) arranged of described major-minor chamber dividing plate (3) is even number, described coupling aperture (31) centrage about major-minor chamber dividing plate (3) between two is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167402.5U CN205406697U (en) | 2016-03-04 | 2016-03-04 | High -power rectangular waveguide coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620167402.5U CN205406697U (en) | 2016-03-04 | 2016-03-04 | High -power rectangular waveguide coupler |
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| CN205406697U true CN205406697U (en) | 2016-07-27 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134621A (en) * | 2017-05-11 | 2017-09-05 | 成都九洲迪飞科技有限责任公司 | Improve the waveguide coupler of Coupling flatness |
| WO2019052097A1 (en) * | 2017-09-17 | 2019-03-21 | 叶健聪 | Reverse directional coupler structure |
| WO2019052102A1 (en) * | 2017-09-17 | 2019-03-21 | 叶健聪 | Coated reverse directional coupler |
| CN112327081A (en) * | 2020-10-30 | 2021-02-05 | 中国科学院高能物理研究所 | Power testing device and method for rectangular waveguide directional coupler |
| CN112332060A (en) * | 2020-10-30 | 2021-02-05 | 中国科学院高能物理研究所 | High-directivity rectangular waveguide directional coupler |
-
2016
- 2016-03-04 CN CN201620167402.5U patent/CN205406697U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134621A (en) * | 2017-05-11 | 2017-09-05 | 成都九洲迪飞科技有限责任公司 | Improve the waveguide coupler of Coupling flatness |
| WO2019052097A1 (en) * | 2017-09-17 | 2019-03-21 | 叶健聪 | Reverse directional coupler structure |
| WO2019052102A1 (en) * | 2017-09-17 | 2019-03-21 | 叶健聪 | Coated reverse directional coupler |
| CN112327081A (en) * | 2020-10-30 | 2021-02-05 | 中国科学院高能物理研究所 | Power testing device and method for rectangular waveguide directional coupler |
| CN112332060A (en) * | 2020-10-30 | 2021-02-05 | 中国科学院高能物理研究所 | High-directivity rectangular waveguide directional coupler |
| CN112327081B (en) * | 2020-10-30 | 2021-06-22 | 中国科学院高能物理研究所 | Power testing device and method for rectangular waveguide directional coupler |
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