CN104900952B - The coupled structure of bimodulus dielectric resonator and metal resonators - Google Patents
The coupled structure of bimodulus dielectric resonator and metal resonators Download PDFInfo
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- CN104900952B CN104900952B CN201510350926.8A CN201510350926A CN104900952B CN 104900952 B CN104900952 B CN 104900952B CN 201510350926 A CN201510350926 A CN 201510350926A CN 104900952 B CN104900952 B CN 104900952B
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Abstract
The invention discloses a kind of bimodulus dielectric resonators and the coupled structure of metal resonators, including metal cavity, metal cavity is divided into the metallic walls of bimodulus dielectric resonant chamber and Metal cavity, bimodulus medium resonant rod, metal resonant rod, a through-hole is equipped in the metallic walls, a metal coupling line for being cased with supporter is equipped in through-hole, one end of metal coupling line in Metal cavity is fixedly connected with coupling disk, it is connect positioned at one end of bimodulus dielectric resonant chamber with the middle part for the metal Coupling bar for being fixed on bimodulus dielectric resonant chamber bottom, coupling tuning screw rod is fixed on the cover board right over metal Coupling bar.The coupled structure processing technology of the present invention is simple, of low cost, convenient convenient for volume production, assembling and setting.
Description
Technical field
The present invention relates to the passive antenna feeder devices in wireless communication field, and in particular to a kind of bimodulus dielectric resonator and gold
Belong to the coupled structure of resonator.
Background technology
For a long time, wave filter plays an important role in the processing of electronic signal always, it was mainly used for
It filters the signal of frequency of use and inhibits interference signal.With the fast development of microwave radio commu, the resource of frequency range it is in short supply, to filter
The performance and volume of wave device propose increasingly higher demands, traditional to be made of wire chamber resonator and single mode dielectric resonator
Wave filter have been unable to meet these requirements, in being intended to improve the performance of wave filter simultaneously subtract by bimodulus dielectric resonator
Its small volume.
In order to save cost and the to a certain extent figure of merit value of raising wave filter, it will usually humorous using bimodulus medium
The chamber that shakes adds Metal cavity mixing row's chamber mode to realize, and the input cavity of wave filter and output cavity often by metal resonators come
It realizes.Existing design is the coupled structure of single mode dielectric resonator and metal resonators at present, for bimodulus dielectric resonator
Research with the coupled structure of metal resonators has not been reported.
Invention content
It is it is an object of the invention to provide a kind of bimodulus dielectric resonator and the coupled structure of metal resonators, metal is humorous
Two orthogonal degeneracy resonant modes of the energy coupling shaken on device to bimodulus dielectric resonator or in turn, bimodulus medium is humorous
In the two orthogonal degenerate mode energy couplings to metal resonators shaken on device, bimodulus dielectric resonator and metal in wave filter are realized
Energy carrys out transmission back between resonator.
To achieve these goals, the present invention provides a kind of bimodulus dielectric resonators and the coupling knot of metal resonators
Structure is divided into the metallic walls of bimodulus dielectric resonant chamber and Metal cavity including metal cavity, by metal cavity, is covered on metal
Cover board on cavity, the dielectric disc tuning screw being fixed on cover board and metal resonators tuning screw and in metal cavity
Bimodulus medium resonant rod and metal resonant rod, wherein, bimodulus dielectric resonance intracavitary metallic walls and bimodulus medium resonant rod it
Between cover board on be fixed with coupling tuning screw rod, be fixed with gold on the metal cavity bottom plate of the underface of coupling tuning screw rod
Belong to coupling bar, the upper end open circuit of metal Coupling bar, metallic walls are equipped with a through-hole, be closely cased in through-hole one it is exhausted with metallic walls
The metal coupling line of edge, one end of metal coupling line are connected with the middle part of metal Coupling bar, and the other end is with being set on metallic walls and gold
The center for belonging to the coupling disk between resonant rod is connected.
Preferably, the metal coupling line is exhausted by being arranged a thin-wall circular tubular polytetrafluoroethylene (PTFE) supporter and metallic walls electricity
Edge, polytetrafluoroethylene (PTFE) supporter endoporus are interference fitted with metal coupling line outer diameter, outer surface and the cylindric through-hole in metallic walls
Interference fit.
Preferably, metal Coupling bar lower end is fixedly connected by screw thread or other forms with metal cavity bottom plate.
Preferably, metal coupling line electroplate or copper facing.
Preferably, the coupled structure of bimodulus dielectric resonator and metal resonators further includes dielectric tuning disk, dielectric tuning
Disk is fixed on by dielectric disc tuning screw on the cover board above bimodulus medium resonant rod.
Compared with prior art, the distinguishing feature of the coupled structure of bimodulus dielectric resonator of the invention and metal resonators
It is as follows with effect：(1) energy transmission between bimodulus dielectric resonator and metal resonators is had effectively achieved, significantly improves filter
The performance of wave device reduces its volume simultaneously；(2) it is simple in structure, manufacture at low cost, easy to install and use, dependable performance；(3) can lead to
The size of adjustment Coupled Circle disk and metal Coupling bar is crossed, efficiently controls the coupling between bimodulus dielectric resonator and metal resonators
Resultant greatly reduces the debugging difficulty of wave filter.
By following description and with reference to attached drawing, the present invention will become more fully apparent, these attached drawings are used to explain the present invention
Embodiment.
Description of the drawings
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 sectional 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, metal resonators tuning spiral shell
Mother 4, dielectric disc tuning screw 5, dielectric disc tuning nut 6, rigging screw 7, cover board 8, dielectric tuning disk 9 couple disk 10, gather
Tetrafluoroethene supporter 11, metal coupling line 12, metal Coupling bar 13, metal resonant rod 14, bimodulus medium resonant rod 15, metal
Wall 16, bimodulus dielectric resonant chamber 17, Metal cavity 18, metal cavity 19.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings, as illustrated in fig. 1 and 2, bimodulus dielectric resonator and metal
The coupled structure of resonator, it includes bimodulus dielectric resonator, metal resonators and male part, and bimodulus dielectric resonator includes double
Mould dielectric resonant chamber 17, the bimodulus medium resonant rod 15 being arranged in bimodulus dielectric resonant chamber 17 and it is fixed on bimodulus dielectric resonance
The dielectric tuning disk 9 on cover board 8 right over bar 15, metal resonators include Metal cavity 18, are arranged on Metal cavity
Metal resonant rod 14 and the metal resonators tuning screw 3 being fixed on the cover board 8 of 14 surface of metal resonant rod, coupling in 18
Component includes the metal coupling being fixed on the bottom plate between bimodulus dielectric resonance intracavitary metallic walls 16 and bimodulus medium resonant rod 15
Close bar 13, the coupling tuning screw rod 1 on the cover board 8 right over metal Coupling bar 13, the through-hole for being fixed on metallic walls 16
Interior metal coupling line 12 and the coupling disk 10 being fixedly connected in Metal cavity 18 with metal coupling line 12, metal coupling
Zygonema 12 is electrically insulated by the thin-wall circular tubular supporter 11 of one polytetrafluoroethylene (PTFE) of housing with metallic walls 16, tetrafluoroethene support
It is interference fit, metal coupling line (12) electroplate or plating between through-hole on body 11 and metal coupling line 12 and metallic walls
Copper, metal Coupling bar 13 are fixedly connected by screw thread with the bottom plate of metal cavity 19.The coupled structure of the present invention is simple, uses peace
Dress is convenient, is easy to produce in batches, significantly reduces the debugging difficulty of wave filter, have broad application prospects.
Although above-described embodiment is made that the present invention detailed description, it is only that a present invention part is implemented, and
Embodiment is not all of, people can also obtain other embodiment under the premise of without creativeness according to the present embodiment and belong to this
Invention protection domain.
Claims (5)
1. the coupled structure of a kind of bimodulus dielectric resonator and metal resonators, including：
Metal cavity (19)：It is equipped in metal cavity (19) and is divided into bimodulus dielectric resonant chamber (17) and Metal cavity
(18) metallic walls (16)；
Cover board (8)：It is covered on the top of metal cavity (19)；
Dielectric disc tuning screw (5)：In bimodulus dielectric resonant chamber (17) and it is fixed on cover board (8)；
Metal resonators tuning screw (3)：In Metal cavity (18) and it is fixed on cover board (8)；
Bimodulus medium resonant rod (15)：In bimodulus dielectric resonant chamber (17) and it is fixed on the bottom plate of metal cavity (19)；
Metal resonant rod (14)：In Metal cavity (18) and it is fixed on the bottom plate of metal cavity (19)；
It is characterized in that, the coupled structure of the bimodulus dielectric resonator and metal resonators further includes：
Coupling tuning screw rod (1)：It is vertically fixed on bimodulus dielectric resonant chamber (17) interior metallic walls (16) and bimodulus medium resonant rod
(15) on the cover board (8) between；
Metal Coupling bar (13)：It is vertically fixed on metal cavity (19) bottom plate immediately below coupling tuning screw rod (1), the upper end
Open circuit；
Metal coupling line (12)：It is electrically insulated horizontal through the through-hole in metallic walls (16), and with metallic walls (16), one end and metal
The middle part of coupling bar (13) is connected, the other end and the coupling disk (10) being set between metallic walls (16) and metal resonant rod (14)
Center be connected.
2. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, which is characterized in that described
Metal coupling line (12) is electrically insulated by being arranged a thin-wall circular tubular polytetrafluoroethylene (PTFE) supporter (11) with metallic walls (16), described
The endoporus of polytetrafluoroethylene (PTFE) supporter (11) is interference fitted with metal coupling line (12) outer diameter, on outer surface and metallic walls (16)
Cylindric through-hole interference fit.
3. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, which is characterized in that described
Metal Coupling bar (13) lower end is fixedly connected by screw thread or other forms with metal cavity (19) bottom plate.
4. the coupled structure of bimodulus dielectric resonator according to claim 1 and metal resonators, which 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, which is characterized in that also wrap
Dielectric tuning disk (9) is included, dielectric tuning disk (9) is fixed on by dielectric disc tuning screw (5) on bimodulus medium resonant rod (15)
On the cover board (8) of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350926.8A CN104900952B (en) | 2015-06-23 | 2015-06-23 | The coupled structure of bimodulus dielectric resonator and metal resonators |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510350926.8A CN104900952B (en) | 2015-06-23 | 2015-06-23 | The coupled structure of bimodulus dielectric resonator and metal resonators |
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| Publication Number | Publication Date |
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| CN104900952A CN104900952A (en) | 2015-09-09 |
| CN104900952B true CN104900952B (en) | 2018-06-15 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN108963398B (en) * | 2018-02-12 | 2021-01-26 | 香港凡谷發展有限公司 | Three-mode dielectric resonant cavity structure applied to 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 |
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 |
-
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 |
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| CN104900952A (en) | 2015-09-09 |
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