CN105655680A - 3dB bridge with T-shaped groove - Google Patents
3dB bridge with T-shaped groove Download PDFInfo
- Publication number
- CN105655680A CN105655680A CN201610050628.1A CN201610050628A CN105655680A CN 105655680 A CN105655680 A CN 105655680A CN 201610050628 A CN201610050628 A CN 201610050628A CN 105655680 A CN105655680 A CN 105655680A
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- CN
- China
- Prior art keywords
- arm
- road
- electric bridge
- sheet
- dish
- 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.)
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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
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a 3dB bridge with a T-shaped groove. The 3dB bridge comprises a first combining plate and a second combining plate, wherein the second combining plate is used for being coupled to the first combining plate. Through an excellent structural design, relatively good electrical property is achieved; the practicability is greatly improved; and the 3dB bridge is simple in structure, not easy to damage and long in service lifetime.
Description
Technical field
The present invention relates to a kind of 3dB electric bridge being provided with T-slot.
Background technology
In same frequency combiner, main component is exactly 3dB electric bridge, and 3dB electric bridge is a kind of electrical part being undertaken 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, adopts 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 3dB electric bridge being provided with T-slot.
For achieving the above object, the concrete scheme of the present invention is as follows: a kind of 3dB electric bridge being provided with T-slot 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 the setting multiple 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 often adjacent distance between the sheet of Liang Gezihe road is all 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 top has extended upward first input end, and the Zi He road sheet of lower section has downwardly extended the first outfan;
Institute second closes road dish and 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 Yu 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; Also including and the first conjunction road dish and second are closed the card column that road dish be arranged in parallel, 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, the number of described Zi He road sheet is six.
Wherein, the number of described Zi He road sheet is six.
Wherein, the diameter of described annular arm is 8cm-10cm.
Wherein, the diameter of described disk arm is 5cm-7cm.
Wherein, described Zi He road sheet is equilateral triangle, described Zi He road sheet be turned into L, the diameter of described disk arm is N, 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 by excellent structural design, it is achieved that electric property preferably, its practicality greatly increases, its simple in construction, not easily bad, long service life.
Accompanying drawing explanation
Fig. 1 is the top view that the first of the present invention closes road dish;
Fig. 2 is the top view that the second of the present invention closes road dish;
Fig. 3 is the top view of the present invention;
Fig. 4 is the sectional view of the present invention;
Fig. 5 is the test figure of phase contrast between two paths of S21 and S31 in working band when test of the present invention.
Fig. 6 be the present invention in frequency range, the return loss of each port test figure;
Description of reference numerals in Fig. 1 to Fig. 6:
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.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not that the practical range of the present invention is limited thereto.
As shown in Figures 1 to 6, a kind of 3dB electric bridge being provided with T-slot described in the present embodiment, include 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 the setting multiple 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 often adjacent distance between Liang Gezihe road sheet 12 is all 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 top has extended upward first input end 15, and the Zi He road sheet 12 of lower section has downwardly extended the first outfan 16; Institute second closes road dish 2 and 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; Also include and the first conjunction road dish 1 and second is closed the card column 3 that road dish 2 be arranged in parallel, 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 phase contrast of the actual test of final Network Analyzer, its input and outfan at 90 degree, value is less than �� 3 degree partially, as described in Figure 5, 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 6. In 450MHz frequency range, the return loss of each port is all at below-30dB, and namely 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 communicates preferably, meets the major parameter requirement of 450M frequency.
A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the two ends of described banding dead slot 13 are arc. A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the number of described Zi He road sheet 12 is six; A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the number of described Zi He road sheet 12 is six.This structure and quantity are optimal values and the quantity of discovery in actual test, and properties is all obviously improved by this numerical value and quantity.
A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the diameter of described annular arm 11 is 8cm-10cm. A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the diameter of described disk arm 21 is 5cm-7cm. Finding in the middle of reality test, during this angular range value, the phase contrast of its input of this electric bridge and outfan, at about 90 degree and highly stable, inclined is worth less than �� 3 degree.
A kind of 3dB electric bridge being provided with T-slot described in the present embodiment, the center of described disk arm 21 is additionally provided with a circular hole 29; Being effectively increased the isolation of the present invention, its isolation, in the middle of reality is tested, reaches below-30dB.
A kind of 3dB electric bridge being provided with T-slot 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 3dB electric bridge being provided with T-slot described in the present embodiment, described Zi He road sheet 12 is equilateral triangle, described Zi He road sheet 12 be turned into L, the diameter of described disk arm 21 is N, 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 equivalences done according to the structure described in present patent application scope, feature and principle change or modify, and are included in the protection domain of present patent application.
Claims (8)
1. the 3dB electric bridge being provided with T-slot, it is characterised in that: include 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);
Described disk arm is additionally provided with two T-slots being centrosymmetric (28).
2. a kind of 3dB electric bridge being provided with T-slot according to claim 1, it is characterised in that: described first closes road dish (1) includes annular arm (11);
Described first closes road dish (1) also includes Zi He road sheet (12) of the setting multiple 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 often adjacent distance between Liang Gezihe road sheet (12) is all 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 top has extended upward first input end (15), and Zi He road sheet (12) of lower section 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) Yu 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); Also including and close 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).
3. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: the two ends of described banding dead slot (13) are arc.
4. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: the number of described Zi He road sheet (12) is six.
5. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: the number of described Zi He road sheet (12) is six.
6. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: the diameter of described annular arm (11) is 8cm-10cm.
7. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: the diameter of described disk arm (21) is 5cm-7cm.
8. a kind of 3dB electric bridge being provided with T-slot according to claim 2, it is characterised in that: described Zi He road sheet (12) is equilateral triangle, described Zi He road sheet (12) be turned into L, the diameter of described disk arm (21) is N, described L=N*0.759.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050628.1A CN105655680A (en) | 2016-01-26 | 2016-01-26 | 3dB bridge with T-shaped groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050628.1A CN105655680A (en) | 2016-01-26 | 2016-01-26 | 3dB bridge with T-shaped groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105655680A true CN105655680A (en) | 2016-06-08 |
Family
ID=56487941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050628.1A Pending CN105655680A (en) | 2016-01-26 | 2016-01-26 | 3dB bridge with T-shaped groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105655680A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134623A (en) * | 2017-05-25 | 2017-09-05 | 东莞质研工业设计服务有限公司 | A kind of electric detection system |
| CN108288744A (en) * | 2017-05-25 | 2018-07-17 | 东莞质研工业设计服务有限公司 | 3dB electric bridges equipped with the second notch |
| CN108288745A (en) * | 2017-05-25 | 2018-07-17 | 东莞质研工业设计服务有限公司 | A kind of same frequency combiner being equipped with the second notch |
| CN108598651A (en) * | 2017-05-25 | 2018-09-28 | 东莞质研工业设计服务有限公司 | Same frequency combiner with framed band |
-
2016
- 2016-01-26 CN CN201610050628.1A patent/CN105655680A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134623A (en) * | 2017-05-25 | 2017-09-05 | 东莞质研工业设计服务有限公司 | A kind of electric detection system |
| CN108288744A (en) * | 2017-05-25 | 2018-07-17 | 东莞质研工业设计服务有限公司 | 3dB electric bridges equipped with the second notch |
| CN108288745A (en) * | 2017-05-25 | 2018-07-17 | 东莞质研工业设计服务有限公司 | A kind of same frequency combiner being equipped with the second notch |
| CN108598651A (en) * | 2017-05-25 | 2018-09-28 | 东莞质研工业设计服务有限公司 | Same frequency combiner with framed band |
| CN107134623B (en) * | 2017-05-25 | 2019-05-10 | 保定市晨星电力科技有限公司 | A kind of electric detection system |
| CN108288745B (en) * | 2017-05-25 | 2019-08-23 | 林驰杰 | A kind of same frequency combiner equipped with the second notch |
| CN108288744B (en) * | 2017-05-25 | 2019-08-27 | 潘浩然 | 3dB electric bridge equipped with the second notch |
| CN108598651B (en) * | 2017-05-25 | 2019-10-08 | 江苏禹高物联科技有限公司 | Same frequency combiner with framed band |
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Application publication date: 20160608 |
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