CN106252814B - coaxial cavity power divider - Google Patents
coaxial cavity power divider Download PDFInfo
- Publication number
- CN106252814B CN106252814B CN201610616732.2A CN201610616732A CN106252814B CN 106252814 B CN106252814 B CN 106252814B CN 201610616732 A CN201610616732 A CN 201610616732A CN 106252814 B CN106252814 B CN 106252814B
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- inner conductor
- metallic inner
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- metal
- output
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Classifications
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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
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
- H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
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- Control Of Motors That Do Not Use Commutators (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The present invention discloses a kind of coaxial cavity power divider, and the left and right side on metal cavity top is respectively equipped with left and right through-hole, this second metallic inner conductor taper end is equipped with circular ferrule；In the butt end insertion circular ferrule of first metallic inner conductor, PTFT casing is equipped between the butt end and circular ferrule of first metallic inner conductor, there are gaps between the butt end end face of first metallic inner conductor and the second metallic inner conductor end face, first metallic inner conductor, the second metallic inner conductor are located in the metal cavity, second metallic inner conductor butt end is connected in the middle part of output metallic rod, and the first output connecting head, the second output connecting head are respectively arranged on the left and right through-hole of metal cavity.The present invention is compact to design, and length only has the 1/2 of similar product, and light-weight at least 1/3 inner conductor is short, and machining difficulty is small, at low cost.
Description
Technical field
The present invention relates to less radio-frequency devices field more particularly to a kind of coaxial cavity power dividers.
Background technique
Coaxial cavity power divider be it is a kind of will input signal energy be divided into two-way all the way or multiple-channel output is equal or unequal
The device of energy can also in turn export the synthesis of multiple signals energy all the way, and alternatively referred to as combiner, is mainly used at this time
Network communication.
Traditional cavity type power divider is to be handled using alloy aluminum as basic material by electroplate, can make microwave signal
It is transmitted in main cavity, it at high cost, does not have the feature of environmental protection.In traditional cavity type power divider, cavity is generally gold
Belong to square body, resonant rod is the round being gradually reduced.It is some oneself through in mounted indoor distributed system, such as CDMA,
It is using conventional cavity type power divider in the equipment such as GSM900, WCDMA, CDMA2000 and TD-SCDMA.
Summary of the invention
The present invention provides a kind of coaxial cavity power divider, this coaxial cavity power divider can guarantee that low-frequency performance refers to
Mark, inductance can guarantee the performance indicator of high-frequency section, and high low-impedance line guarantees the index of intermediate frequency, and design principle is completely not
Conventional products are same as, new compact to design, machining difficulty is small, and at low cost, although the length of product is small, frequency range is very wide.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of coaxial cavity power divider, comprising: wire chamber
Body connects the first metallic inner conductor formed, by least 2 sections by the first metallic rod that at least 2 section diameter step formulas are incremented by from beginning to end
Second metallic inner conductor of incremental the second metallic rod head and the tail connection composition of diameter step formula, positioned at the metal cavity top
Left and right side is respectively equipped with left and right through-hole, this second metallic inner conductor taper end is equipped with circular ferrule；
In the butt end insertion circular ferrule of first metallic inner conductor, butt end and the circle gold of the first metallic inner conductor
Belong to set between be equipped with PTFT casing, between the butt end end face of the first metallic inner conductor and the second metallic inner conductor end face there are
Gap, first metallic inner conductor, the second metallic inner conductor are located in the metal cavity, the connection of the second metallic inner conductor butt end
To in the middle part of output metallic rod, the first output connecting head, the second output connecting head are respectively arranged in the described left and right logical of metal cavity
Kong Shang, the output metallic rod both ends are extended out of the first output connecting head, the second output connecting head respectively through-hole respectively, defeated
Entering connector and is installed on metal cavity front end, the first metallic inner conductor taper end is extended out of input connector through-hole,
One metal end is installed on metal cavity rear end, is connected with a grounded metal line between this metal end and output metallic rod.
The further improved technical solution of above-mentioned technical proposal is as follows:
1. in above scheme, the grounded metal line is connected in the middle part of output metallic rod.
2. in above scheme, the input connector is connected through a screw thread with metal cavity front end, the first output connection
It is connected through a screw thread between head, the second output connecting head and left and right through-hole.
3. in above scheme, being connected through a screw thread between the metal end and metal cavity.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Coaxial cavity power divider of the present invention is equipped with PTFT and covers between the butt end and circular ferrule of first metallic inner conductor
Pipe, there are gap, this metal end and outputs between the butt end end face of the first metallic inner conductor and the second metallic inner conductor end face
A grounded metal line is connected between metallic rod, the first, second metallic inner conductor is divided at least four step, realizes capacitor electricity
Sense compensation and high low-impedance line preferably combine, and capacitor can guarantee low-frequency performance indicator, and inductance can guarantee high-frequency section
Performance indicator, high low-impedance line guarantees that the index of intermediate frequency, design principle are totally different from existing product, and new design is tight
It gathers, length only has the 1/2 of similar product, and light-weight at least 1/3 inner conductor is short, and machining difficulty is small, and it is at low cost, length is small, but
Frequency range is very wide, and standing-wave ratio is smaller, can achieve 1.12:1 or hereinafter, opposite existing product bandwidth 800-2700MHz, this hair
Bright frequency can accomplish 380 ~ 3600Mz, and standing-wave ratio can achieve 1.12:1 within this range or hereinafter, third order intermodulation can
To reach -160dBc.
Detailed description of the invention
Attached drawing 1 is coaxial cavity power divider structural schematic diagram of the present invention；
Attached drawing 2 is coaxial cavity power divider structural schematic diagram of the present invention；
Attached drawing 3 is partial structural diagram one in attached drawing 2；
Attached drawing 4 is partial structural diagram two in attached drawing 2.
In the figures above: 1, metal cavity；2, the first metallic inner conductor；3, the second metallic inner conductor；41, left through-hole；42,
Right through-hole；5, circular ferrule；6, grounded metal line；7, PTFT casing；8, metallic rod is exported；9, the first output connecting head；10,
Second output connecting head；11, connector is inputted；12, metal end.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: a kind of coaxial cavity power divider, comprising: metal cavity 1, the be incremented by by least 2 section diameter step formulas
One metallic rod 1 connects the first metallic inner conductor 2 of composition, the second metallic rod head being incremented by by least 2 section diameter step formulas from beginning to end
Second metallic inner conductor 3 of tail connection composition, the left and right side positioned at 1 top of metal cavity are respectively equipped with left and right through-hole
41,42, this 3 taper end of the second metallic inner conductor is equipped with circular ferrule 5；
In the butt end insertion circular ferrule 5 of first metallic inner conductor 2, the butt end and circle of the first metallic inner conductor 2
PTFT casing 7 is equipped between shape metallic sheath 5, between 3 end face of butt end end face and the second metallic inner conductor of the first metallic inner conductor 2
There are gap, first metallic inner conductor 2, the second metallic inner conductor 3 are located in the metal cavity 1, lead in the second metal
3 butt end of body is connected to 8 middle part of output metallic rod, and the first output connecting head 9, the second output connecting head 10 are respectively arranged in wire chamber
On the left and right through-hole 41,42 of body 1,8 both ends of output metallic rod are exported from the first output connecting head 9, second respectively to be connected
Extend in the respective through-hole of connector 10, input connector 11 is installed on 1 front end of metal cavity, and first metallic inner conductor 2 is thin
Hold from input connector 11 through-hole in extend, a metal end 12 is installed on 1 rear end of metal cavity, this metal end 12 with
A grounded metal line 6 is connected between output metallic rod 8.
Above-mentioned grounded metal line 6 is connected to 8 middle part of output metallic rod.
Above-mentioned input connector 11 is connected through a screw thread with 1 front end of metal cavity, the output of the first output connecting head 9, second
It is connected through a screw thread between connector 10 and left and right through-hole 41,42.
It is connected through a screw thread between above-mentioned metal end 12 and metal cavity 1.
Using above-mentioned coaxial cavity power divider, the principle combined using capacitor and inductor compensation and high low-impedance line, capacitor can
To guarantee low-frequency performance indicator, inductance can guarantee the performance indicator of high-frequency section, and high low-impedance line guarantees intermediate frequency
Index, design principle is totally different from conventional products, new compact to design, and length only has similar product really 1/2, it is light-weight extremely
Few 1/3 inner conductor is short, and machining difficulty is small, although the length of product at low cost is small, frequency range is very wide, and frequency can accomplish
380-3600Mz, and index is fine within this range.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (1)
1. a kind of coaxial cavity power divider, it is characterised in that: include: metal cavity (1), be incremented by by least 2 section diameter step formulas
The first metallic rod head and the tail connection composition the first metallic inner conductor (2), by least 2 section diameter step formulas be incremented by the second gold medal
Belong to the second metallic inner conductor (3) of bar head and the tail connection composition, the left and right side for being located at the metal cavity (1) top is respectively equipped with
Left and right through-hole (41,42), this second metallic inner conductor (3) taper end are equipped with circular ferrule (5)；
First metallic inner conductor (2) butt end insertion circular ferrule (5) in, the butt end of the first metallic inner conductor (2) with
PTFT casing (7) are equipped between circular ferrule (5), the butt end end face of the first metallic inner conductor (2) and the second metallic inner conductor
(3) there are gap between end face, first metallic inner conductor (2), the second metallic inner conductor (3) are located at the metal cavity
(1) in, the second metallic inner conductor (3) butt end is connected in the middle part of output metallic rod (8), the first output connecting head (9), the second output
Connector (10) is respectively arranged on the left and right through-hole (41,42) of metal cavity (1), output metallic rod (8) both ends
Extend out of the first output connecting head (9), the second output connecting head (10) respectively through-hole respectively, input connector (11) installation
In metal cavity (1) front end, the first metallic inner conductor (2) taper end is extended out of input connector (11) through-hole, and one
Metal end (12) is installed on metal cavity (1) rear end, is connected with one between this metal end (12) and output metallic rod (8) and connects
Ground metal wire (6)；The grounded metal line (6) is connected in the middle part of output metallic rod (8)；The input connector (11) and metal
Cavity (1) front end is connected through a screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616732.2A CN106252814B (en) | 2014-04-04 | 2014-04-04 | coaxial cavity power divider |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616732.2A CN106252814B (en) | 2014-04-04 | 2014-04-04 | coaxial cavity power divider |
| CN201410135700.1A CN103904397B (en) | 2014-04-04 | 2014-04-04 | Coaxial power splitter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410135700.1A Division CN103904397B (en) | 2014-04-04 | 2014-04-04 | Coaxial power splitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106252814A CN106252814A (en) | 2016-12-21 |
| CN106252814B true CN106252814B (en) | 2018-12-28 |
Family
ID=50995615
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610616732.2A Active CN106252814B (en) | 2014-04-04 | 2014-04-04 | coaxial cavity power divider |
| CN201610615923.7A Active CN106025473B (en) | 2014-04-04 | 2014-04-04 | Compact combiner for network communication |
| CN201410135700.1A Active CN103904397B (en) | 2014-04-04 | 2014-04-04 | Coaxial power splitter |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610615923.7A Active CN106025473B (en) | 2014-04-04 | 2014-04-04 | Compact combiner for network communication |
| CN201410135700.1A Active CN103904397B (en) | 2014-04-04 | 2014-04-04 | Coaxial power splitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106252814B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252814B (en) * | 2014-04-04 | 2018-12-28 | 苏州灿勤通讯技术有限公司 | coaxial cavity power divider |
| CN104900970A (en) * | 2015-06-16 | 2015-09-09 | 成都宜川电子科技有限公司 | Power divider |
| CN105186086A (en) * | 2015-07-29 | 2015-12-23 | 中国电子科技集团公司第四十一研究所 | Ultra-wideband multi-channel power distributor and synthesizer |
| CN107591603A (en) * | 2017-09-30 | 2018-01-16 | 合肥威科电子技术有限公司 | A kind of broadband coaxial power splitter branched structure |
| CN108206321A (en) * | 2018-01-15 | 2018-06-26 | 南京福客通信设备有限公司 | A kind of coaxial power splitter of ultra wide band |
| CN117497985B (en) * | 2023-12-29 | 2024-03-29 | 南京纳特通信电子有限公司 | Compact coaxial multipath power synthesizer and manufacturing method thereof |
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| CN201063393Y (en) * | 2007-06-11 | 2008-05-21 | 任纪宁 | RF coaxial connector |
| US8120444B2 (en) * | 2006-11-30 | 2012-02-21 | Kathrein-Werke Kg | Circuit for separating or combining high frequency power |
| CN102637937A (en) * | 2012-04-25 | 2012-08-15 | 南京广顺微波技术有限公司 | Retracted integral power distributor |
| CN103904397A (en) * | 2014-04-04 | 2014-07-02 | 苏州灿勤通讯技术有限公司 | Coaxial power divider |
| CN203774437U (en) * | 2014-04-04 | 2014-08-13 | 苏州灿勤通讯技术有限公司 | Coaxial power divider |
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| CN2881987Y (en) * | 2006-03-24 | 2007-03-21 | 南京理工大学 | Microstrip power driver for antenna of 3G mobile communication base station |
| CN202231132U (en) * | 2011-08-25 | 2012-05-23 | 合肥佰特微波技术有限公司 | Structurally improved step gradual change linewidth power divider with chamber |
| CN202797225U (en) * | 2012-07-31 | 2013-03-13 | 南京东恒通信科技有限公司 | Feeding type coupler |
| CN202888381U (en) * | 2012-11-19 | 2013-04-17 | 镇江捷泰通信科技有限公司 | N-type 700-3000MHz-frequency used radio frequency coaxial cavity one-four power divider |
| CN203312437U (en) * | 2013-06-20 | 2013-11-27 | 南京华脉科技有限公司 | DIN type cavity body power divider |
| CN203351727U (en) * | 2013-08-14 | 2013-12-18 | 安徽蓝麦通信科技有限公司 | Waterproof impedance conversion cavity power distributor |
| CN204067541U (en) * | 2014-05-19 | 2014-12-31 | 镇江市明基电子有限公司 | A kind of press-fit chamber power divider |
| CN106099297A (en) * | 2016-07-27 | 2016-11-09 | 上海无线电设备研究所 | The double probe power combining structures of waveguide and assembly thereof |
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2014
- 2014-04-04 CN CN201610616732.2A patent/CN106252814B/en active Active
- 2014-04-04 CN CN201610615923.7A patent/CN106025473B/en active Active
- 2014-04-04 CN CN201410135700.1A patent/CN103904397B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8120444B2 (en) * | 2006-11-30 | 2012-02-21 | Kathrein-Werke Kg | Circuit for separating or combining high frequency power |
| CN201063393Y (en) * | 2007-06-11 | 2008-05-21 | 任纪宁 | RF coaxial connector |
| CN102637937A (en) * | 2012-04-25 | 2012-08-15 | 南京广顺微波技术有限公司 | Retracted integral power distributor |
| CN103904397A (en) * | 2014-04-04 | 2014-07-02 | 苏州灿勤通讯技术有限公司 | Coaxial power divider |
| CN203774437U (en) * | 2014-04-04 | 2014-08-13 | 苏州灿勤通讯技术有限公司 | Coaxial power divider |
| CN106025473A (en) * | 2014-04-04 | 2016-10-12 | 苏州灿勤通讯技术有限公司 | Compact combiner for network communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106025473B (en) | 2019-06-11 |
| CN103904397B (en) | 2017-01-04 |
| CN103904397A (en) | 2014-07-02 |
| CN106025473A (en) | 2016-10-12 |
| CN106252814A (en) | 2016-12-21 |
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