CN104900952A - Coupling structure of dual-mode medium resonator and metal resonator - Google Patents
Coupling structure of dual-mode medium resonator and metal resonator Download PDFInfo
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- CN104900952A CN104900952A CN201510350926.8A CN201510350926A CN104900952A CN 104900952 A CN104900952 A CN 104900952A CN 201510350926 A CN201510350926 A CN 201510350926A CN 104900952 A CN104900952 A CN 104900952A
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Abstract
The invention discloses a coupling structure of a dual-mode medium resonator and a metal resonator. The coupling structure comprises a metal cavity, a metal wall dividing the metal cavity into a dual-mode medium resonant cavity and a metal resonant cavity, a dual-mode medium resonant rod and a metal resonant rod. The metal wall is provided with a through hole. The through hole is internally provided with a metal coupling wire sleeved by a supporting body. One end of the metal coupling wire in the metal resonant cavity is fixedly connected with a coupling disk, and one end in the dual-mode medium resonant cavity is connected with the middle part of a metal coupling rod fixed on the bottom part of the dual-mode medium resonant cavity. A coupling tuning screw is fixed on a covering plate right above the metal coupling rod. The coupling structure is simple in machining technology, low in cost, convenient for mass production and convenient to assemble and debug.
Description
Technical field
The present invention relates to the passive antenna feeder device in wireless communication field, be specifically related to the coupled structure of a kind of bimodulus dielectric resonator and metal resonators.
Background technology
For a long time, filter plays an important role always in the process of electronic signal, and it is mainly used in signal and the suppression interference signal of filtering frequency of utilization.Along with the fast development of microwave radio commu, the resource of frequency range in short supply, more and more higher requirement is proposed to the performance of filter and volume, traditional filter be made up of wire chamber resonator and single mode dielectric resonator can not meet these requirements all, so want to reduce its volume by bimodulus dielectric resonator to the performance improving filter simultaneously.
Also improving the figure of merit value of filter in order to save cost to a certain extent, bimodulus dielectric resonant chamber usually can be adopted to add Metal cavity mixing row chamber mode and realize, and the input cavity of filter and output cavity realizing usually through metal resonators.At present existing design is the coupled structure of single mode dielectric resonator and metal resonators, and the research for the coupled structure of bimodulus dielectric resonator and metal resonators has no report.
Summary of the invention
Object of the present invention is just to provide the coupled structure of a kind of bimodulus dielectric resonator and metal resonators, by two the orthogonal degeneracy resonant modes of the Energy Coupling in metal resonators to bimodulus dielectric resonator, or conversely, by the orthogonal degenerate mode Energy Coupling of two on bimodulus dielectric resonator in metal resonators, to realize in filter energy between bimodulus dielectric resonator and metal resonators and carry out transmission back.
To achieve these goals, the invention provides the coupled structure of a kind of bimodulus dielectric resonator and metal resonators, comprise metallic cavity, metallic cavity is divided into the metallic walls of bimodulus dielectric resonant chamber and Metal cavity, be covered on the cover plate in metallic cavity, be fixed on dielectric disc tuning screw on cover plate and metal resonators tuning screw and the bimodulus medium resonant rod be located in metallic cavity and metal resonant rod, wherein, cover plate in bimodulus dielectric resonant chamber between metallic walls and bimodulus medium resonant rod is fixed with coupling tuning screw rod, metallic cavity base plate immediately below coupling tuning screw rod is fixed with metal Coupling bar, the upper end open circuit of metal Coupling bar, metallic walls is provided with a through hole, in through hole, closely cover has a metal coupling line insulated with metallic walls, one end of metal coupling line is connected with the middle part of metal Coupling bar, the other end is connected with the center of the coupling disk be located between metallic walls and metal resonant rod.
Preferably, described metal coupling line by sheathed thin-wall circular tubular polytetrafluoroethylene supporter and a metallic walls electric insulation, polytetrafluoroethylene supporter endoporus and metal coupling line external diameter interference fit, the cylindric through hole interference fit in outer surface and metallic walls.
Preferably, metal Coupling bar lower end is fixedly connected with metallic cavity base plate by screw thread or other forms.
Preferably, metal coupling line electroplate or copper facing.
Preferably, the coupled structure of bimodulus dielectric resonator and metal resonators also comprises dielectric tuning dish, and dielectric tuning dish is fixed on the cover plate above bimodulus medium resonant rod by dielectric disc tuning screw.
Compared with prior art, distinguishing feature and the effect of the coupled structure of bimodulus dielectric resonator of the present invention and metal resonators are as follows: (1) have effectively achieved the Energy Transfer between bimodulus dielectric resonator and metal resonators, and the performance significantly improving filter reduces its volume simultaneously; (2) structure is simple, and low cost of manufacture is easy to install and use, dependable performance; (3) by adjusting the size of coupling disk and metal Coupling bar, effectively controlling bimodulus dielectric resonator and the amount of coupling between metal resonators, greatly reducing the debugging difficulty of filter.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the coupled structure of bimodulus dielectric resonator of the present invention and metal resonators.
Fig. 2 is the cutaway view of the coupled structure of bimodulus dielectric resonator of the present invention and metal resonators.
In figure: coupling tuning screw rod 1, coupling tuning nut 2, metal resonators tuning screw 3, the tuning nut 4 of metal resonators, dielectric disc tuning screw 5, the tuning nut 6 of dielectric disc, rigging screw 7, cover plate 8, dielectric tuning dish 9, coupling disk 10, polytetrafluoroethylene supporter 11, metal coupling line 12, metal Coupling bar 13, metal resonant rod 14, bimodulus medium resonant rod 15, metallic walls 16, bimodulus dielectric resonant chamber 17, Metal cavity 18, metallic cavity 19.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated, as illustrated in fig. 1 and 2, the coupled structure of bimodulus dielectric resonator and metal resonators, it comprises bimodulus dielectric resonator, metal resonators and male part, bimodulus dielectric resonator comprises bimodulus dielectric resonant chamber 17, be arranged on the bimodulus medium resonant rod 15 in bimodulus dielectric resonant chamber 17 and be fixed on the dielectric tuning dish 9 on the cover plate 8 directly over bimodulus medium resonant rod 15, metal resonators comprises Metal cavity 18, be arranged on the metal resonant rod 14 in Metal cavity 18 and be fixed on the metal resonators tuning screw 3 on the cover plate 8 directly over metal resonant rod 14, male part comprises the metal Coupling bar 13 on the base plate that is fixed in bimodulus dielectric resonant chamber between metallic walls 16 and bimodulus medium resonant rod 15, be arranged on the coupling tuning screw rod 1 on the cover plate 8 directly over metal Coupling bar 13, be fixed on metal coupling line 12 in the through hole of metallic walls 16 and the disk 10 that is coupled being positioned at Metal cavity 18 and being fixedly connected with metal coupling line 12, metal coupling line 12 passes through thin-wall circular tubular supporter 11 and metallic walls 16 electric insulation of an overcoat polytetrafluoroethylene, interference fit is between through hole in tetrafluoroethene supporter 11 and metal coupling line 12 and metallic walls, metal coupling line (12) electroplate or copper facing, metal Coupling bar 13 is fixedly connected with by the base plate of screw thread with metallic cavity 19.Coupled structure of the present invention is simple, easy to install and use, is easy to batch production, significantly reduces the debugging difficulty of filter, have broad application prospects.
Although above-described embodiment is to invention has been detailed description, it is only that the present invention's part is implemented, instead of whole embodiments, and people can also obtain other embodiments according to the present embodiment under without creative prerequisite and belong to scope.
Claims (5)
1. a coupled structure for bimodulus dielectric resonator and metal resonators, comprising:
Metallic cavity (19): be provided with the metallic walls (16) being divided into bimodulus dielectric resonant chamber (17) and Metal cavity (18) in metallic cavity (19);
Cover plate (8): the top being covered on metallic cavity (19);
Dielectric disc tuning screw (5): to be located in bimodulus dielectric resonant chamber (17) and to be fixed on cover plate (8);
Metal resonators tuning screw (3): to be located in Metal cavity (18) and to be fixed on cover plate (8);
Bimodulus medium resonant rod (15): to be located in bimodulus dielectric resonant chamber (17) and to be fixed on the base plate of metallic cavity (19);
Metal resonant rod (14): to be located in Metal cavity (18) and to be fixed on the base plate of metallic cavity (19);
It is characterized in that, the coupled structure of this bimodulus dielectric resonator and metal resonators also comprises:
Coupling tuning screw rod (1): be fixed on the cover plate (8) between bimodulus dielectric resonant chamber (17) interior metallic walls (16) and bimodulus medium resonant rod (15);
Metal Coupling bar (13): be fixed on metallic cavity (19) base plate immediately below coupling tuning screw rod (1), open a way in its upper end;
Metal coupling line (12): through the through hole in metallic walls (16), and with metallic walls (16) electric insulation, one end is connected with the middle part of metal Coupling bar (13), and the other end is connected with the center of the coupling disk (10) be located between metallic walls (16) and metal resonant rod (14).
2. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, it is characterized in that, described metal coupling line (12) is by sheathed thin-wall circular tubular polytetrafluoroethylene supporter (11) and metallic walls (16) electric insulation, the endoporus of described polytetrafluoroethylene supporter (11) and metal coupling line (12) external diameter interference fit, the cylindric through hole interference fit in outer surface and metallic walls (16).
3. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, is characterized in that, described metal Coupling bar (13) lower end is fixedly connected with metallic cavity (19) base plate by screw thread or other forms.
4. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, is characterized in that, described metal coupling line (12) electroplate or copper facing.
5. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, it is characterized in that, also comprise dielectric tuning dish (9), dielectric tuning dish (9) is fixed on the cover plate (8) of bimodulus medium resonant rod (15) top by dielectric disc tuning screw (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510350926.8A CN104900952B (en) | 2015-06-23 | 2015-06-23 | The coupled structure of bimodulus dielectric resonator and metal resonators |
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| CN201510350926.8A CN104900952B (en) | 2015-06-23 | 2015-06-23 | The coupled structure of bimodulus dielectric resonator and metal resonators |
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| CN104900952A true CN104900952A (en) | 2015-09-09 |
| CN104900952B CN104900952B (en) | 2018-06-15 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846023A (en) * | 2016-04-11 | 2016-08-10 | 宁波华瓷通信技术有限公司 | TE mode medium filter |
| CN107946704A (en) * | 2017-11-03 | 2018-04-20 | 武汉凡谷电子技术股份有限公司 | A kind of bimodulus dielectric filter |
| CN108370081A (en) * | 2015-12-08 | 2018-08-03 | 华为技术有限公司 | A kind of resonant cavity and filter |
| CN108417939A (en) * | 2018-03-16 | 2018-08-17 | 成都众宜天成科技有限公司 | A kind of highly conductive integrated low-pass filter |
| CN109461998A (en) * | 2018-11-27 | 2019-03-12 | 苏州工业园区艺达精密机械有限公司 | Wideband combiner antenna opening blocking input coupling structure |
| WO2019153958A1 (en) * | 2018-02-12 | 2019-08-15 | 香港凡谷发展有限公司 | Three-mode dielectric resonant cavity structure applied in filter |
| WO2020107431A1 (en) * | 2018-11-30 | 2020-06-04 | 华为技术有限公司 | Dielectric resonator and dielectric filter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201838698U (en) * | 2010-11-04 | 2011-05-18 | 宁波泰立电子科技有限公司 | Filter with reinforced coupled structure |
| CN102122742A (en) * | 2010-12-02 | 2011-07-13 | 宁波泰立电子科技有限公司 | Cavity filter with rotary coupling regulation structure |
| CN102751554A (en) * | 2012-06-29 | 2012-10-24 | 摩比天线技术（深圳）有限公司 | Mixed-mode filter |
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2015
- 2015-06-23 CN CN201510350926.8A patent/CN104900952B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201838698U (en) * | 2010-11-04 | 2011-05-18 | 宁波泰立电子科技有限公司 | Filter with reinforced coupled structure |
| CN102122742A (en) * | 2010-12-02 | 2011-07-13 | 宁波泰立电子科技有限公司 | Cavity filter with rotary coupling regulation structure |
| CN102751554A (en) * | 2012-06-29 | 2012-10-24 | 摩比天线技术（深圳）有限公司 | Mixed-mode filter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108370081A (en) * | 2015-12-08 | 2018-08-03 | 华为技术有限公司 | A kind of resonant cavity and filter |
| CN108370081B (en) * | 2015-12-08 | 2020-02-21 | 华为技术有限公司 | Resonant cavity and filter |
| CN105846023A (en) * | 2016-04-11 | 2016-08-10 | 宁波华瓷通信技术有限公司 | TE mode medium filter |
| CN107946704A (en) * | 2017-11-03 | 2018-04-20 | 武汉凡谷电子技术股份有限公司 | A kind of bimodulus dielectric filter |
| CN107946704B (en) * | 2017-11-03 | 2019-11-29 | 武汉凡谷电子技术股份有限公司 | A kind of bimodulus dielectric filter |
| WO2019153958A1 (en) * | 2018-02-12 | 2019-08-15 | 香港凡谷发展有限公司 | Three-mode dielectric resonant cavity structure applied in filter |
| CN108417939A (en) * | 2018-03-16 | 2018-08-17 | 成都众宜天成科技有限公司 | A kind of highly conductive integrated low-pass filter |
| CN109461998A (en) * | 2018-11-27 | 2019-03-12 | 苏州工业园区艺达精密机械有限公司 | Wideband combiner antenna opening blocking input coupling structure |
| WO2020107431A1 (en) * | 2018-11-30 | 2020-06-04 | 华为技术有限公司 | Dielectric resonator and dielectric filter |
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| Publication number | Publication date |
|---|---|
| CN104900952B (en) | 2018-06-15 |
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