CN102969551A - Tap electrical coupling structure and communication radio frequency device thereof - Google Patents
Tap electrical coupling structure and communication radio frequency device thereof Download PDFInfo
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- CN102969551A CN102969551A CN2012104350912A CN201210435091A CN102969551A CN 102969551 A CN102969551 A CN 102969551A CN 2012104350912 A CN2012104350912 A CN 2012104350912A CN 201210435091 A CN201210435091 A CN 201210435091A CN 102969551 A CN102969551 A CN 102969551A
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Abstract
An embodiment of the invention discloses a tap electrical coupling structure. The tap electrical coupling structure comprises a resonant rod and a connector, wherein the resonant rod is arranged inside a resonant cavity, the connector is fixedly arranged on the side wall of the resonant cavity and is connected with the resonant rod, the connector comprises a connector main rod which extends into the resonant cavity, a coupling hole in which the connector main rod is inserted is correspondingly arranged on the resonant rod, and one end of the connector main rod is sleeved with a medium sleeve and is inserted into the coupling hole. An embodiment of the invention also discloses a communication radio frequency device. The communication radio frequency device comprises the resonant cavity, wherein a plurality of tap electrical coupling structures are arranged on the resonant cavity. According to the tap electrical coupling structure, the medium sleeve is used for coupling the connector and the resonant rod, the coupling strength is high, the radio frequency performance is excellent, the assembly is simple, and the cost is low.
Description
Technical field
The present invention relates to the microwave communication field, relate in particular to a kind of tap electric coupling structure and communication radio frequency device thereof.
Background technology
In today of mobile communication technology high speed development, new network formats constantly is developed application, multiple network and to deposit be large characteristics of current mobile communications network.Be to save cost, conserve space, improve the utilance of base station communication apparatus, usually can use multiple communication radio frequency device when signal covers doing, as usually using mixer to make multiple signals merge into one the tunnel when the unlike signal system transmissions.
The communication radio frequency devices such as mixer must have the function of port lightning protection and perfectly straight stream (DC PASS) simultaneously, therefore when design, usually adopt tap to realize the tap electric coupling every straight mode, but because existing mixer is generally broadband even ultra broadband, when the design of tap, need very strong coupling amount, design difficulty is very large.
Existing tap electric coupling structure is realized the coupling of the two by being welded in connecting line between connector and the resonant rod, radio-frequency performance is unstable, and assembly process is complicated, and cost is high.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of tap electric coupling structure is provided, and radio-frequency performance is superior, assembles easyly, and cost is low.
The further technical problem to be solved of the embodiment of the invention is to provide a kind of communication radio frequency device, and radio-frequency performance is superior, and processing cost is low.
In order to solve the problems of the technologies described above, the embodiment of the invention has proposed a kind of tap electric coupling structure, comprise and be arranged at the resonant rod in the resonant cavity and be fixedly arranged on the connector that is connected with resonant rod on this resonant cavity sidewall, described connector comprises the connector mobile jib that stretches in the resonant cavity, the corresponding coupling aperture that inserts for described connector mobile jib that offers on the described resonant rod, one end cover of described connector mobile jib has medium socket, and the cover of connector mobile jib has an end of medium socket to insert in the described coupling aperture.
Further, described connector mobile jib extends axially by described resonant rod one side end and forms a protruding core that is used for inserting in the described coupling aperture, it is peripheral that described medium socket is coated on described protruding core, and extend radially outwardly formation one in order to be filled in the flange between described resonant rod sidewall and the connector mobile jib along described connector mobile jib.
Further, described medium socket adopts insulating material to make.
Further, described resonant rod and described resonant cavity integrated injection molding.
Further, described coupling aperture is for connecting the through hole of described resonant rod.
Further, described connector also comprises the connector body that is arranged at described resonant cavity outside, and described connector body welds mutually with described connector mobile jib.
Further, described resonant cavity upper cover has cover plate, and described tap electric coupling structure also comprises and is arranged at the lightning protection component that described cover plate outside links to each other with described connector mobile jib.
Further, described lightning protection component is connected with described connector mobile jib by connecting line.
Further, weld mutually with described lightning protection component and connector mobile jib respectively at described connecting line two ends.
Correspondingly, the embodiment of the invention also provides a kind of communication radio frequency device, comprises resonant cavity, is provided with some aforesaid tap electric coupling structures on the described resonant cavity.
The beneficial effect of the embodiment of the invention is: by the connector mobile jib of getting involved in the resonant cavity is set on connector, insert in the resonant rod in the outside sheathed medium socket of connector mobile jib and by this medium socket simultaneously, realize the capacitive coupling of connector and resonant rod, realize capacitive coupling in the Filled Dielectrics mode, stiffness of coupling is large, and radio-frequency performance is superior, and assembling is simple, with low cost, be more suitable for batch production.
Description of drawings
Fig. 1 is the cutaway view of the tap electric coupling structure of the embodiment of the invention.
Fig. 2 is the stereogram of the tap electric coupling structure of the embodiment of the invention.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can mutually combine, and below in conjunction with the drawings and specific embodiments the present invention are described in further detail.
Such as Fig. 1 ~ shown in Figure 2, the embodiment of the invention provides a kind of tap electric coupling structure, and uses the communication radio frequency device of this tap electric coupling structure.
In the embodiment of the invention, described communication radio frequency device can be the communication signal processor parts such as mixer, filter, duplexer, the cover plate 20 that it comprises resonant cavity 10 and is used for the described resonant cavity 10 of capping.
Generally, be provided with a plurality of resonant cavitys 11 in the resonant cavity 10 of same described communication radio frequency device, be provided with a plurality of resonant rods in each resonant cavity 11, and separate to realize the unified of different radio frequency signal processed by the metal wall that is arranged at resonant cavity 10 inside.The port correspondence of each described resonant cavity 11 is provided with a tap electric coupling structure to realize the transmission of each resonant cavity 11 corresponding signal of communication.
As shown in Figures 1 and 2, in the embodiment of the invention, described tap electric coupling structure comprises resonant rod 30 and is fixedly arranged on the connector 40 that is of coupled connections with described resonant rod 30 on described resonant cavity 10 sidewalls.Understandable, said resonant rod 30 is in described resonant cavity 11 interior some resonant rods the resonant rod close to described resonant cavity 11 ports here.
Concrete, please refer to Fig. 1, Fig. 2, described connector 40 comprises the connector body 41 that is arranged at described resonant cavity 10 outsides and links to each other with described connector body 41 and stretch into the connector mobile jib 42 that described resonant cavity 10 inside link to each other with described resonant rod 30.In the embodiment of the invention, described connector body 41 adopts existing conventional design, and its profile is roughly cylindrical, is fixed on the described resonant cavity 10 by securing members such as screws, is used for connecting other external devices to realize the transmission of signal of communication.Described connector mobile jib 42 and described connector body 41 coaxial settings, it is elongate cylindrical shape, adopts mode and described connector body 41 Joints of welding, the corresponding connecting hole 12 that stretches into for described connector mobile jib 42 that offers on the described resonant cavity 10.Certainly, the profile of described connector body 41 and connector mobile jib 42 also is not limited to cylindrical, also can be set to other shapes that are fit to arbitrarily such as square, polygon.
As shown in Figure 1, described resonant rod 30 is fixedly arranged on described resonant cavity 10 inside, and with described resonant cavity 10 integrated injection moldings, it offers the coupling aperture 31 that inserts with the described connector mobile jib 42 of the confession of described connecting hole 12 coaxial settings towards described connector 40 direction correspondences, in the embodiment of the invention, described coupling aperture 31 is set to connect the through hole of described resonant rod 30, the length of described connector mobile jib 42 can be set according to actual conditions, only needs to guarantee that described connector mobile jib 42 can insert coupling aperture 31 interior the getting final product of described resonant rod 30.
The embodiment of the invention adopts the integrated injection molding mode to arrange described resonant rod 30 and described resonant cavity 10, easy to process, compare the affixed mode of traditional screw, effectively save process and assemble time and assembling accessory, reduce production costs, more benefit simultaneously the contraposition of described connecting hole 12 and coupling aperture 31, guarantee that described connecting hole 12 is accurate with coupling aperture 31 contrapositions; Described coupling aperture 31 is set to through-hole type, processes more simple and fast.Certainly, as a kind of enforcement examination, described resonant rod 30 also can be set to split type with described resonant cavity 10, namely adopt traditional mode of being spirally connected to realize the affixed of the two, and described coupling aperture 31 also can arrange opening towards described connector 40 1 ends in it, only needs to guarantee described coupling aperture 31 contrapositions precisely so that described connector mobile jib 42 can insert the coupling of the described connector 40 of described coupling aperture 31 interior realizations and resonant rod 30 smoothly gets final product.
As shown in Figure 1, described connector mobile jib 42 outer cover are provided with a medium socket 50 and insert in the described coupling aperture 31 to realize the coupling of described connector 40 and described resonant rod 30 by this medium socket 50.Described medium socket 50 adopts insulating material to become, and as a kind of execution mode of the best, described medium socket 50 is preferably the polytetrafluoroethylene material.
In the embodiment of the invention, an end of the described coupling aperture 31 of insertion that described medium socket 50 is coated on described connector mobile jib 42.Concrete, an end axis that leans on described resonant rod 30 of described connector mobile jib 42 is to extending to form be used to the protruding core 421 that inserts in the described coupling aperture 31, described medium socket 50 is coated on described protruding core 421 peripheries, and described coupling aperture 31 inserts with described medium socket 50 suitable connector mobile jibs 42 for being arranged with described medium socket 50.Meanwhile, described medium socket 50 also is provided with a flange 51 that extends radially outwardly and form along described connector mobile jib 42, when described connector mobile jib 42 inserts the coupling aperture 31 of described resonant rod 30 when interior, described flange 51 is filled between described resonant rod 30 sidewalls and the connector mobile jib 42, so that described connector mobile jib 42 is positioned.In described connector mobile jib 42 and 30 of described resonant rods described medium socket is set, form Filled Dielectrics, utilize resistance to hinder that electric charge moves and so that charge accumulation on described connector mobile jib 42 and resonant rod 30, forms the accumulation of electric charge, increase electric capacity, and then strengthen coupling between the two; Simultaneously by be filled between described resonant rod 30 sidewalls and the connector mobile jib 42 the accurate location of realizing described connector mobile jib 42, the consistency of assurance structure in flange 51 is set on the described medium socket 50.Certainly, as a kind of execution mode, described medium socket 50 also can be coated on the periphery of described connector mobile jib 42 fully.
For realizing described tap electric coupling structure port lightning protection function, described tap electric coupling structure also is provided with lightning protection component 60, in the embodiment of the invention, described lightning protection component 60 is for being fixedly arranged on the lightning protection circuit plate that links to each other with described connector mobile jib 42 of described cover plate 20 outsides, described lightning protection circuit plate is connected with described connector mobile jib 42 by a connecting line 70, concrete, each other affixed welded to realize mutually with described lightning protection component and connector mobile jib 42 respectively in described connecting line 70 two ends.
The embodiment of the invention realizes being connected of described connector mobile jib 42 and resonant rod 30 by the medium socket 50 that adopts insulating material to make, and effectively increases the electric capacity of described connector mobile jib 42 and resonant rod 30, strengthens the coupling amount, the raising radio-frequency performance; Described resonant rod 30 is set to integral type with resonant cavity 10, and the corresponding described connector mobile jib 42 of confession of offering coaxial setting stretches on described resonant cavity 10 and resonant rod 30 connecting hole 12 and coupling aperture 31, process easy, assembling is simple, effectively reduce production costs, enhance productivity, be more suitable for batch production; By the lightning protection component 60 that links to each other with described connector mobile jib 42 is set on described cover plate 20, realize the port lightning protection function of described tap electric coupling structure, applicability is stronger.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claims and equivalency range thereof.
Claims (10)
1. tap electric coupling structure, comprise and be arranged at the resonant rod in the resonant cavity and be fixedly arranged on the connector that is connected with resonant rod on this resonant cavity sidewall, it is characterized in that, described connector comprises the connector mobile jib that stretches in the resonant cavity, the corresponding coupling aperture that inserts for described connector mobile jib that offers on the described resonant rod, one end cover of described connector mobile jib has medium socket, and the cover of connector mobile jib has an end of medium socket to insert in the described coupling aperture.
2. tap electric coupling structure as claimed in claim 1, it is characterized in that, described connector mobile jib extends axially by described resonant rod one side end and forms a protruding core that is used for inserting in the described coupling aperture, it is peripheral that described medium socket is coated on described protruding core, and extend radially outwardly formation one in order to be filled in the flange between described resonant rod sidewall and the connector mobile jib along described connector mobile jib.
3. tap electric coupling structure as claimed in claim 1 is characterized in that, described medium socket adopts insulating material to make.
4. tap electric coupling structure as claimed in claim 1 is characterized in that, described resonant rod and described resonant cavity integrated injection molding.
5. tap electric coupling structure as claimed in claim 1 is characterized in that, described coupling aperture is for connecting the through hole of described resonant rod.
6. tap electric coupling structure as claimed in claim 1 is characterized in that, described connector also comprises the connector body that is arranged at described resonant cavity outside, and described connector body welds mutually with described connector mobile jib.
7. tap electric coupling structure as claimed in claim 1 is characterized in that, described resonant cavity upper cover has cover plate, and described tap electric coupling structure also comprises and is arranged at the lightning protection component that described cover plate outside links to each other with described connector mobile jib.
8. tap electric coupling structure as claimed in claim 7 is characterized in that, described lightning protection component is connected with described connector mobile jib by connecting line.
9. tap electric coupling structure as claimed in claim 8 is characterized in that, weld mutually with described lightning protection component and connector mobile jib respectively at described connecting line two ends.
10. a communication radio frequency device comprises resonant cavity, it is characterized in that, is provided with some such as each described tap electric coupling structure in the claim 1 to 9 on the described resonant cavity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104350912A CN102969551A (en) | 2012-11-02 | 2012-11-02 | Tap electrical coupling structure and communication radio frequency device thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104350912A CN102969551A (en) | 2012-11-02 | 2012-11-02 | Tap electrical coupling structure and communication radio frequency device thereof |
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| CN102969551A true CN102969551A (en) | 2013-03-13 |
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| CN2012104350912A Pending CN102969551A (en) | 2012-11-02 | 2012-11-02 | Tap electrical coupling structure and communication radio frequency device thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491656A (en) * | 2013-08-20 | 2014-01-01 | 华为技术有限公司 | Base station and duplexor thereof |
| CN104518264A (en) * | 2013-09-29 | 2015-04-15 | 深圳市大富科技股份有限公司 | Coaxial cavity filter, medium cavity filter and metal resonant column |
| CN104659444A (en) * | 2015-01-21 | 2015-05-27 | 江苏贝孚德通讯科技股份有限公司 | Broadband multiplexer |
| CN105024118A (en) * | 2015-08-17 | 2015-11-04 | 四川天邑康和通信股份有限公司 | Novel broadband filter tap |
| CN105161806A (en) * | 2015-08-14 | 2015-12-16 | 深圳市迈特通信设备有限公司 | Lightning-protection plastic filter |
| WO2023050201A1 (en) * | 2021-09-29 | 2023-04-06 | 华为技术有限公司 | Filter, remote radio unit and base station |
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| EP0709871A1 (en) * | 1994-10-31 | 1996-05-01 | Nec Corporation | Multiplecavity klystron |
| CN101807735A (en) * | 2010-04-12 | 2010-08-18 | 深圳市大富科技股份有限公司 | Cavity filter and manufacturing method thereof |
| CN102354601A (en) * | 2011-05-20 | 2012-02-15 | 深圳市大富科技股份有限公司 | Structural capacitor, connector and communication equipment using connector |
| CN102496757A (en) * | 2011-12-21 | 2012-06-13 | 京信通信系统（中国）有限公司 | Communication apparatus possessing ultra-wideband coupling port |
-
2012
- 2012-11-02 CN CN2012104350912A patent/CN102969551A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0709871A1 (en) * | 1994-10-31 | 1996-05-01 | Nec Corporation | Multiplecavity klystron |
| CN101807735A (en) * | 2010-04-12 | 2010-08-18 | 深圳市大富科技股份有限公司 | Cavity filter and manufacturing method thereof |
| CN102354601A (en) * | 2011-05-20 | 2012-02-15 | 深圳市大富科技股份有限公司 | Structural capacitor, connector and communication equipment using connector |
| CN102496757A (en) * | 2011-12-21 | 2012-06-13 | 京信通信系统（中国）有限公司 | Communication apparatus possessing ultra-wideband coupling port |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491656A (en) * | 2013-08-20 | 2014-01-01 | 华为技术有限公司 | Base station and duplexor thereof |
| CN103491656B (en) * | 2013-08-20 | 2017-06-06 | 华为技术有限公司 | Base station and its duplexer |
| CN104518264A (en) * | 2013-09-29 | 2015-04-15 | 深圳市大富科技股份有限公司 | Coaxial cavity filter, medium cavity filter and metal resonant column |
| CN104659444A (en) * | 2015-01-21 | 2015-05-27 | 江苏贝孚德通讯科技股份有限公司 | Broadband multiplexer |
| CN104659444B (en) * | 2015-01-21 | 2017-07-21 | 江苏贝孚德通讯科技股份有限公司 | A kind of broadband multiplexer |
| CN105161806A (en) * | 2015-08-14 | 2015-12-16 | 深圳市迈特通信设备有限公司 | Lightning-protection plastic filter |
| CN105024118A (en) * | 2015-08-17 | 2015-11-04 | 四川天邑康和通信股份有限公司 | Novel broadband filter tap |
| WO2023050201A1 (en) * | 2021-09-29 | 2023-04-06 | 华为技术有限公司 | Filter, remote radio unit and base station |
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Application publication date: 20130313 |