CN105514560B - A kind of same frequency combiner being provided with T groove - Google Patents
A kind of same frequency combiner being provided with T groove Download PDFInfo
- Publication number
- CN105514560B CN105514560B CN201610050624.3A CN201610050624A CN105514560B CN 105514560 B CN105514560 B CN 105514560B CN 201610050624 A CN201610050624 A CN 201610050624A CN 105514560 B CN105514560 B CN 105514560B
- Authority
- CN
- China
- Prior art keywords
- arm
- road
- dish
- sheet
- same frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Aerials With Secondary Devices (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The present invention discloses a kind of same frequency combiner being provided with T groove, includes the first conjunction road dish and for closing the second conjunction road dish that road dish carries out coupling with first；Designed by excellent structure, it is achieved that preferably electric property, its practicality greatly increases, and its simple in construction is difficult to bad, and service life is long.
Description
Technical field
The present invention relates to a kind of same frequency combiner being provided with T groove.
Background technology
In same frequency combiner, main component is exactly 3dB electric bridge, and 3dB electric bridge is a kind of electrical part carrying out signal identical for two kinds of frequencies being coupled into a road signal output；It requires that the degree of coupling is high, accurately, frequency range width, it is widely used in the communications industry, the problems such as 3dB in the market, for reaching wideband purpose, uses different coupling line forms, and the return loss causing each port is poor, other electric properties are low.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, it is provided that a kind of same frequency combiner being provided with T groove.
For achieving the above object, the concrete scheme of the present invention is as follows: a kind of same frequency combiner being provided with T groove, including aluminium alloy shield shell, and the 3dB electric bridge being located in shield shell, described 3dB electric bridge includes the first conjunction road dish and for closing the second conjunction road dish that road dish carries out coupling with first；
Described first closes road dish includes annular arm, also includes the Zi He road sheet of six settings triangular in shape that annularly arm is provided with, and every height closes the center of circle towards annular arm, the angle of road sheet；The most adjacent distance between the sheet of Liang Gezihe road is the most identical；Each described Zi He road sheet is provided with a banding dead slot near the side at annular arm center；The Zi He road sheet of surface has extended upward first input end, and the Zi He road sheet of underface has downwardly extended the first outfan；
Described second closes road dish includes disk arm, and the edge of described disk arm extends outward multiple ribbon arm matched respectively with banding dead slot, and the free end of ribbon arm is provided with one section of arc coupling arm；The left and right sides of described disk arm is all extended connecting rod, and the free end of left-side connecting bar is provided with the second input, and the free end of right-side connecting bar is provided with the second outfan；
The radius of described disk arm is more than the minimum range of Zi He road sheet with the center of circle of annular arm；Described connecting rod is provided with the first via, and described annular arm is provided with second via corresponding with the first via；Described 3dB electric bridge also includes and the first conjunction road dish and second is closed the card column that road dish be arranged in parallel, and described card column is arranged in the first via and the second via.
Wherein, the two ends of described banding dead slot are arc.
Wherein, a diameter of 8cm-10cm of described annular arm.
Wherein, a diameter of 5cm-7cm of described disk arm.
Wherein, described Zi He road sheet is equilateral triangle, and the length of side of described Zi He road sheet is L, a diameter of N of described disk arm, described L=N*0.759.
Wherein, the center of described disk arm is additionally provided with a circular hole；
Wherein, described disk arm is additionally provided with two T-slots being centrosymmetric；
The invention have the benefit that and designed by excellent structure, it is achieved that preferably electric property, its practicality greatly increases, and its simple in construction is difficult to bad, and service life is long.
Accompanying drawing explanation
Fig. 1 is the top view of the present invention；
Fig. 2 is the top view of the first conjunction road dish of the present invention；
Fig. 3 is the top view of the second conjunction road dish of the present invention；
Fig. 4 is the top view of the 3dB electric bridge of the present invention；
Fig. 5 is the sectional view of the 3dB electric bridge of the present invention；
Fig. 6 is the test figure of phase contrast between two paths of S21 and S31 in working band when test of the present invention.
Fig. 7 be the present invention in frequency range, the return loss of each port test figure；
Description of reference numerals in Fig. 1 to Fig. 7:
1-first closes road dish；11-annular arm；12-Zi He road sheet；13-banding dead slot；14-the second via；15-first input end；16-the first outfan；
2-second closes road dish；21-disk arm；22-ribbon arm；23-arc coupling arm；24-connecting rod；25-the first via；26-the second input；27-the second outfan；28-T shape groove；29-circular hole；
3-card column；4-shield shell.
Detailed description of the invention
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not that the practical range of the present invention is confined to this.
As shown in Figures 1 to 7, a kind of same frequency combiner being provided with T groove described in the present embodiment, including aluminium alloy shield shell 4, and the 3dB electric bridge being located in shield shell, described 3dB electric bridge includes the first conjunction road dish 1 and for closing the second conjunction road dish 2 that road dish 1 carries out coupling with first；Described first closes road dish 1 includes annular arm 11, also includes the Zi He road sheet 12 of six settings triangular in shape that annularly arm 11 is provided with, and every height closes the center of circle towards annular arm 11, the angle of road sheet 12；The most adjacent distance between Liang Gezihe road sheet 12 is the most identical；Each described Zi He road sheet 12 is provided with a banding dead slot 13 near the side at annular arm 11 center；The Zi He road sheet 12 of surface has extended upward first input end 15, and the Zi He road sheet 12 of underface has downwardly extended the first outfan 16；Described second closes road dish 2 includes disk arm 21, and the edge of described disk arm 21 extends outward multiple ribbon arm 22 matched respectively with banding dead slot 13, and the free end of ribbon arm 22 is provided with one section of arc coupling arm 23；The left and right sides of described disk arm 21 is all extended connecting rod 24, and the free end of left-side connecting bar 24 is provided with the second input 26, and the free end of right-side connecting bar 24 is provided with the second outfan 27；The radius of described disk arm 21 is more than the minimum range of Zi He road sheet 12 with the center of circle of annular arm 11；Described connecting rod 24 is provided with the first via 25, and described annular arm 11 is provided with second via 14 corresponding with the first via 25；Described 3dB electric bridge also includes and closes the card column 3 that road dish 1 be arranged in parallel with the second conjunction road dish 2 by first, described card column 3 is arranged in the first via 25 and the second via 14, through more than 500 times experiments and analog simulation, finally determine this planform, by the actual test of final Network Analyzer, the phase contrast of its input and outfan is at 90 degree, value is less than ± 3 degree partially, as described in Figure 6, in working band, the phase contrast between two paths of S21 and S31 is less than 3 °, and its amplitude balance is about 0.02dB.Return loss, as described in Figure 7.In 450MHz frequency range, the return loss of each port is all at below-30dB, i.e. standing-wave ratio VSWR is less than 1.1, namely show, the electric bridge of this structure not only achieves the scheme of small size, and has the electric property that preferably communicates, and meets the major parameter requirement of 450M frequency.
A kind of same frequency combiner being provided with T groove described in the present embodiment, the two ends of described banding dead slot 13 are arc.This structure is the optimal values and quantity found in actual test, and properties is all obviously improved by this numerical value and quantity.
A kind of same frequency combiner being provided with T groove described in the present embodiment, a diameter of 8cm-10cm of described annular arm 11.A kind of same frequency combiner being provided with T groove described in the present embodiment, a diameter of 5cm-7cm of described disk arm 21.Finding in the middle of reality test, during this angular range value, its input of this electric bridge and the phase contrast of outfan, at about 90 degree and highly stable, are partially worth and are less than ± 3 degree.
A kind of same frequency combiner being provided with T groove described in the present embodiment, the center of described disk arm 21 is additionally provided with a circular hole 29；Can be effectively increased isolation of the present utility model, its isolation, in the middle of reality test, reaches below-30dB.
A kind of same frequency combiner being provided with T groove described in the present embodiment, described disk arm 21 is additionally provided with two T-slots being centrosymmetric 28；It can improve the degree of coupling further, reduces loss.
A kind of same frequency combiner being provided with T groove described in the present embodiment, described Zi He road sheet 12 is equilateral triangle, and the length of side of described Zi He road sheet 12 is L, a diameter of N of described disk arm 21, described L=N*0.759.When parameter is arranged to these data, its effect is more excellent, and the degree of coupling is higher, reduces loss clearly.
The above is only a preferred embodiment of the present invention, therefore all equivalence changes done according to structure, feature and the principle described in present patent application scope or modification, it is included in the protection domain of present patent application.
Claims (4)
1. the same frequency combiner being provided with T groove, it is characterized in that: include aluminium alloy shield shell (4), and the 3dB electric bridge being located in shield shell, described 3dB electric bridge includes the first conjunction road dish (1) and for closing the second conjunction road dish (2) that road dish (1) carries out coupling with first；Described second closes road dish (2) includes disk arm (21)；
Two T-slots being centrosymmetric (28) it are additionally provided with on described disk arm；
Described first closes road dish (1) includes annular arm (11)；Described first closes road dish (1) also includes Zi He road sheet (12) of six settings triangular in shape that annularly arm (11) is provided with, and every height closes the center of circle towards annular arm (11), the angle on road sheet (12)；The most adjacent distance between Liang Gezihe road sheet (12) is the most identical；Each described Zi He road sheet (12) is provided with a banding dead slot (13) near the side at annular arm (11) center；Zi He road sheet (12) of surface has extended upward first input end (15), and Zi He road sheet (12) of underface has downwardly extended the first outfan (16)；
The edge of described disk arm (21) extends outward multiple ribbon arm (22) matched respectively with banding dead slot (13), and the free end of ribbon arm (22) is provided with one section of arc coupling arm (23)；The left and right sides of described disk arm (21) is all extended connecting rod (24), and the free end of left-side connecting bar (24) is provided with the second input (26), and the free end of right-side connecting bar (24) is provided with the second outfan (27)；
The radius of described disk arm (21) is more than the minimum range on Zi He road sheet (12) with the center of circle of annular arm (11)；Described connecting rod (24) is provided with the first via (25), and described annular arm (11) is provided with second via (14) corresponding with the first via (25)；Described 3dB electric bridge also includes and closes the card column (3) that road dish (1) be arranged in parallel with the second conjunction road dish (2) by first, and described card column (3) is arranged in the first via (25) and the second via (14).
A kind of same frequency combiner being provided with T groove the most according to claim 1, it is characterised in that: the two ends of described banding dead slot (13) are arc.
A kind of same frequency combiner being provided with T groove the most according to claim 1, it is characterised in that: a diameter of 8cm-10cm of described annular arm (11)；A diameter of 5cm-7cm of described disk arm (21).
A kind of same frequency combiner being provided with T groove the most according to claim 1, it is characterised in that: described Zi He road sheet (12) is equilateral triangle, and the length of side of described Zi He road sheet (12) is L, a diameter of N, described L=N*0.759 of described disk arm (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050624.3A CN105514560B (en) | 2016-01-26 | 2016-01-26 | A kind of same frequency combiner being provided with T groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050624.3A CN105514560B (en) | 2016-01-26 | 2016-01-26 | A kind of same frequency combiner being provided with T groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105514560A CN105514560A (en) | 2016-04-20 |
| CN105514560B true CN105514560B (en) | 2016-10-19 |
Family
ID=55722358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050624.3A Expired - Fee Related CN105514560B (en) | 2016-01-26 | 2016-01-26 | A kind of same frequency combiner being provided with T groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105514560B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009021824A (en) * | 2007-07-12 | 2009-01-29 | Mitsubishi Electric Corp | Directional coupler |
| CN101728622A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method |
| CN102044734A (en) * | 2010-10-18 | 2011-05-04 | 杭州紫光网络技术有限公司 | Identical system circuit combiner with high-isolation degree |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
-
2016
- 2016-01-26 CN CN201610050624.3A patent/CN105514560B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009021824A (en) * | 2007-07-12 | 2009-01-29 | Mitsubishi Electric Corp | Directional coupler |
| CN101728622A (en) * | 2010-01-07 | 2010-06-09 | 东莞市苏普尔电子科技有限公司 | Method for preparing broadband ring electric bridge and electric bridge prepared by implementing method |
| CN102044734A (en) * | 2010-10-18 | 2011-05-04 | 杭州紫光网络技术有限公司 | Identical system circuit combiner with high-isolation degree |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105514560A (en) | 2016-04-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105655680A (en) | 3dB bridge with T-shaped groove | |
| CN105470614B (en) | Same-frequency combiner | |
| CN105514560B (en) | A kind of same frequency combiner being provided with T groove | |
| CN205609723U (en) | Hybrid combiner | |
| CN205609722U (en) | 3dB electric bridge | |
| CN105609918A (en) | 3dB electrical bridge with circular hole | |
| CN105470615B (en) | same-frequency combiner | |
| CN105006637A (en) | Simple monopole antenna | |
| CN105449332A (en) | 3dB electrical bridge | |
| CN105244588B (en) | A kind of power system detection communication system being provided with the first wave filter | |
| CN105720342A (en) | Efficient electric power detection system | |
| CN205609742U (en) | Antenna | |
| CN105024149A (en) | Single-polarization oscillator with feed coupling piece | |
| CN105244586B (en) | Power system detection communication system | |
| CN105119034B (en) | A kind of power system detects communication system | |
| CN205016665U (en) | Miniaturized ultra wide band microstrip antenna | |
| CN105244587B (en) | A kind of power system detection communication system being provided with the second wave filter | |
| CN105071004A (en) | Co-frequency combiner | |
| CN203491373U (en) | Novel coplanar suspending line balun | |
| CN105024148A (en) | Broadband single-polarization oscillator | |
| CN202025839U (en) | Novel electric bridge device | |
| CN105024127B (en) | 3dB electric bridges | |
| CN204834819U (en) | With frequency combiner with round hole | |
| CN205016646U (en) | With frequency combiner with round hole | |
| CN105024128B (en) | A kind of 3dB electric bridges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yufang Inventor after: He Chaoxia Inventor after: Huang Xinxi Inventor before: Kuang Jiahao |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160922 Address after: 528437 No. 1, Xingda street, Torch Development Zone, Guangdong, Zhongshan Applicant after: YANG ZHONGHUI Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20160922 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 523000 Guangdong Province, Dongguan Songshan Lake Qinyuan road in Dongguan City Park Dr. Applicant before: Kuang Jiahao |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20180126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |