CN107104259A - A kind of 3dB electric bridges - Google Patents
A kind of 3dB electric bridges Download PDFInfo
- Publication number
- CN107104259A CN107104259A CN201710376698.0A CN201710376698A CN107104259A CN 107104259 A CN107104259 A CN 107104259A CN 201710376698 A CN201710376698 A CN 201710376698A CN 107104259 A CN107104259 A CN 107104259A
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- arm
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- arms
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- synusia
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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
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- Waveguide Aerials (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of 3dB electric bridges, include synusia and the lower synusia being be arranged in parallel with upper synusia, pad is provided with dielectric between upper synusia and lower synusia；Its design frequency includes LTE 2700Mhz, can be obtained by Computer Simulation, its achievable preferable coupling effect in frequency 0.7Ghz to 2.8Ghz of this electric bridge.
Description
Technical field
The present invention relates to a kind of 3dB electric bridges.
Background technology
At present, 3dB electric bridges are a kind of electrical equipment that two kinds of frequency identical signals are coupled into signal output all the way
Part, broadband is with the direction that 3DB electric bridges are always that power splitter class is made great efforts, and it is at present in the urgent need to especially to realize wide frequency 3 dB electric bridge
During it is the newly-increased standard LTE of the communications industry, the frequency range of LTE standards requirement is 2570MHz-2620MHz, covers the standard
Combiner and 3dB electric bridges.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of 3dB electric bridges.
To achieve the above object, concrete scheme of the invention is as follows：A kind of 3dB electric bridges：Include synusia and and upper strata
The lower synusia that piece be arranged in parallel, pad is provided with dielectric between upper synusia and lower synusia；
Upper synusia includes two be arranged side by side, side sub-pieces of size shape identical upper strata 14, each side of upper strata 14
Piece includes the first arm of two obtuse triangles, the second arm of a rectangle, two the 3rd trapezoidal arms；Two the first arms
Obtuse angle outwardly, the obtuse angle of two the first arms base is connected with two short sides of the second arm respectively, the length of two the 3rd arms
Base is connected with two long short sides of the second arm respectively, and outwardly, the obtuse angle institute of two the first arms is right on the short base of two the 3rd arms
Base is identical with the bond length of the second arm；Also include the first connect band of several fonts, two vertical arm position of the first connect band
Between two side sub-pieces of layer 14, the 3rd arm of the two ends of the first connect band respectively with the lower section of two side sub-pieces of upper strata 14
Short base be connected；The both sides of second arm of each upper strata 14 side sub-pieces are provided with two groups of adjustment tank knots of the setting that is centrosymmetric
Structure, each adjustment slot structure includes to be opened in the first adjustment tank and the bar groove enclosing region of the first adjustment tank three of a Π shape
If the adjustment tank of rectangle second, the opening of the first adjustment tank is towards the obtuse angle side of adjacent first arm；The center of second arm is provided with
One circular coupling slot；Second arm of one side sub-pieces of upper strata 14, the side on its base extends downwardly out the first of L-shaped
Input arm, the cross bar of the first input arm is outwardly；Second arm of another side sub-pieces of upper strata 14, the side on its base is extended downwardly
Go out to have the first output arm of L-shaped, the cross bar of the first output arm is outwardly；
Lower synusia includes two be arranged side by side, side sub-pieces of size shape identical lower floor 14, each side of lower floor 14
Piece includes the 4th arm of two obtuse triangles, the 5th arm of a rectangle, two the 6th trapezoidal arms；Two the 4th arms
Obtuse angle outwardly, the obtuse angle of two the 4th arms base is connected with two short sides of the 5th arm respectively, the length of two the 6th arms
Base is connected with two long short sides of the 5th arm respectively, and outwardly, the obtuse angle institute of two the 3rd arms is right on the short base of two the 6th arms
Base is identical with the bond length of the 5th arm；Also include the second connect band of Π shapes, the two ends of the second connect band are respectively with two
The short base of 6th arm of the top of the individual side sub-pieces of lower floor 14 is connected；The both sides of 5th arm of each lower floor 14 side sub-pieces are set
There is the 3rd adjustment tank corresponding with the second adjustment tank of the sub-pieces of upper strata 14；The center of each lower floor 14 side sub-pieces is upwardly extended
Go out to have auxiliary resonance post, the top surface of auxiliary resonance post is provided with resonance plate, and resonance plate is located in coupling slot；One side of lower floor 14
5th arm of piece, the side of its top margin extends upward the second input arm of L-shaped, and the cross bar of the second input arm is outwardly；It is another
5th arm of the individual side sub-pieces of lower floor 14, the side of its top margin extends upward the second output arm of L-shaped, the second output arm
Cross bar is outwardly.
Wherein, the upper strata 14 sub-pieces size when sub-pieces is with lower floor 14 is identical.
Wherein, the Bian Shangxiang centers of the coupling slot, which extend to have to cave inward on two resonant rods, resonance plate, two
Humorous groove corresponding with resonant rod.
Wherein, the diameter of the resonance plate is less than coupling recesses.
Wherein, the thickness of the resonance plate is identical with the thickness of the sub-pieces of upper strata 14.
Wherein, the height of the auxiliary resonant column is identical with the thickness of dielectric.
Wherein, the size of first arm and the 4th arm is identical, and is isosceles triangle.
Wherein, the 3rd arm and the 6th arm size are identical, and are isosceles trapezoid.
Wherein, second adjustment tank with the 3rd adjustment tank size it is identical.
Beneficial effects of the present invention are：Its design frequency includes LTE 2700Mhz, can be obtained by Computer Simulation,
Its achievable preferable coupling effect in frequency 0.7Ghz to 2.8Ghz of this electric bridge.
Brief description of the drawings
Fig. 1 is the top view of the present invention；
Fig. 2 is the exploded perspective figure of the present invention；
Fig. 3 is the upper synusia stereogram of the present invention；
Fig. 4 is the top view of the upper synusia of the present invention；
Fig. 5 is the lower synusia stereogram of the present invention；
Fig. 6 is the top view of the lower synusia of the present invention；
Fig. 7 is the parameters simulation figure of the present invention；
Description of reference numerals of the Fig. 1 into Fig. 7：
The upper synusia of 1-；The input arm of 101- first；The output arms of 102- first；The arms of 11- first；The arms of 12- second；The arms of 13- the 3rd；14-
First connect band；15- coupling slots；16- resonant rods；The adjustment tanks of 17- first；The adjustment tanks of 18- second；
Synusia under 2-；The input arm of 201- second；The output arms of 202- second；The arms of 21- the 4th；The arms of 22- the 5th；The arms of 23- the 6th；24-
3rd adjustment tank；25- resonance plates；The humorous grooves of 26-；The connect bands of 27- second；28- auxiliary resonance posts；
3- dielectrics.
Embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not the reality the present invention
Apply scope and be confined to this.
As shown in Figures 1 to 7, a kind of 3dB electric bridges described in the present embodiment：Include synusia 1 and parallel with upper synusia 1
The lower synusia 2 set, pad is provided with dielectric 3 between upper synusia 1 and lower synusia 2；
Upper synusia 1 includes two be arranged side by side, side sub-pieces of size shape identical upper strata 14, each side of upper strata 14
Piece includes the first arm 11 of two obtuse triangles, the second arm 12 of a rectangle, two the 3rd trapezoidal arms 13；Two
The obtuse angle of one arm 11 outwardly, the obtuse angle of two the first arms 11 base is connected with two short sides of the second arm 12 respectively, two
The long base of individual 3rd arm 13 is connected with two long short sides of the second arm 12 respectively, the short base of two the 3rd arms 13 outwardly, two
The obtuse angle of individual first arm 11 it is identical with the bond length of the second arm 12 to base；Also include the first connect band of several fonts
14, two vertical arm of the first connect band 14 are located between two side sub-pieces of layer 14, and the two ends of the first connect band 14 are respectively with two
The short base of 3rd arm 13 of the lower section of the individual side sub-pieces of upper strata 14 is connected；The two of second arm 12 of each upper strata 14 side sub-pieces
Side is provided with two groups of adjustment slot structures of the setting that is centrosymmetric, and each adjustment slot structure includes the first adjustment tank of a Π shape
17 and the bar groove enclosing region of the first adjustment tank 17 3 in the second adjustment tank of rectangle 18 for opening up, the opening of the first adjustment tank 17
Towards the obtuse angle side of adjacent first arm 11；The center of second arm 12 is provided with a circular coupling slot 15；One upper strata 14
Second arm 12 of side sub-pieces, the side on its base extends downwardly out the first input arm 101 of L-shaped, the horizontal stroke of the first input arm 101
Bar is outwardly；Second arm 12 of another side sub-pieces of upper strata 14, the side on its base extends downwardly out the first output arm of L-shaped
102, the cross bar of the first output arm 102 is outwardly；
Lower synusia 2 includes two be arranged side by side, side sub-pieces of size shape identical lower floor 14, each side of lower floor 14
Piece includes the 4th arm 21 of two obtuse triangles, the 5th arm 22 of a rectangle, two the 6th trapezoidal arms 23；Two
The obtuse angle of four arms 21 outwardly, the obtuse angle of two the 4th arms 21 base is connected with two short sides of the 5th arm 22 respectively, two
The long base of individual 6th arm 23 is connected with two long short sides of the 5th arm 22 respectively, the short base of two the 6th arms 23 outwardly, two
The obtuse angle of individual 3rd arm 13 it is identical with the bond length of the 5th arm 22 to base；Also include the second connect band 27 of Π shapes,
Short base of the two ends of second connect band 27 respectively with the 6th arm 23 of the top of Liang Ge lower floors 14 side sub-pieces is connected；Under each
The both sides of 5th arm 22 of 14 side sub-pieces of layer are provided with corresponding 3rd adjustment tank of the second adjustment tank 18 with the sub-pieces of upper strata 14
24；The center of each lower floor 14 side sub-pieces has extended upward auxiliary resonance post 28, and the top surface of auxiliary resonance post 28 is provided with humorous
Shake disk 25, and resonance plate 25 is located in coupling slot 15；5th arm 22 of one side sub-pieces of lower floor 14, the one of its top margin prolongs on the side
The second input arm 201 of L-shaped is extended with, the cross bar of the second input arm 201 is outwardly；5th arm of another side sub-pieces of lower floor 14
22, the side of its top margin extends upward the second output arm 202 of L-shaped, and the cross bar of the second output arm 202 is outwardly.
During combination, dielectric 3 is located at upper strata 14 in sub-pieces and lower floor 14 between sub-pieces, specific to be located at the 3rd
Between the arm 23 of arm 13 and the 6th.Its design frequency includes LTE 2700Mhz, can be obtained by Computer Simulation, this electric bridge its
Can be achieved preferable coupling effect in frequency 0.7Ghz to 2.8Ghz, upper synusia 1 and lower synusia 2 use dielectric constant for
2.33-2.6 or so conductor；In Fig. 7, parameter of its coupling value in above-mentioned requirements frequency range is 3dB or so, complies fully with design
It is required that, interport isolation is less than 1.3 in 28 ± 5 dB or so, its port standing-wave ratio.Upper synusia 1 and the lower thickness of synusia 2 are in 3.5-
4mm or so, this electric bridge load power is up to 400W.For the coupling effect for being optimal, its specific size can be optimized for：
First arm 11 identical with the size of the 4th arm 21 is all isosceles triangle, and two waist edges are：25mm, a length of 44mm in base；Second arm
12 is identical with the size of the 4th arm 21, and short side is 44mm, and long side is：87mm；3rd arm 13 is identical with the size of the 6th arm 23, short bottom
While being 25mm, long base is 46mm, a height of：18mm；The line width of first connect band 14 is 4mm, and longitudinal arm lengths are 80mm, laterally
Long-armed length be：60mm, other are required；The line width of first adjustment tank 17 is：3mm, translot length and pod length phase
It is same to be：18mm, the second adjustment tank 18 and the 3rd adjustment tank 24 are square, and size is identical, and the length of side is 10mm；Coupling slot 15
It is a diameter of：32mm.First input arm 101 and the line width of the first output arm 102 are 2mm, and length is not required.The height of resonant column is
25mm, diameter is less than the diameter of resonance plate 25, the 15mm of the diameter of resonance plate 25.
In the present embodiment, the upper strata 14 sub-pieces size when sub-pieces is with lower floor 14 is identical.Performance is more stablized.
In the present embodiment, the Bian Shangxiang centers of the coupling slot 15 extend have on two resonant rods 16, resonance plate 25 to
Sunken inside has two humorous grooves 26 corresponding with resonant rod 16.Return loss when can reducing to form standing wave.
In the present embodiment, the diameter of the resonance plate 25 is less than coupling recesses.In the present embodiment, the thickness of the resonance plate 25
Degree is identical with the thickness of the sub-pieces of upper strata 14.In being 3.8mm, the present embodiment, height and the dielectric 3 of the auxiliary resonant column
Thickness it is identical.Reduce the coupling difficulty that excessive gap is caused.In the present embodiment, the arm 21 of the first arm 11 and the 4th it is big
It is small identical, and be isosceles triangle.In the present embodiment, the 3rd arm 13 is identical with the size of the 6th arm 23, and is isosceles
It is trapezoidal.In the present embodiment, second adjustment tank 18 with the size of the 3rd adjustment tank 24 it is identical.Features described above is lifting coupling
Effect, the effect of stable interport isolation.
Described above is only the preferred embodiment of the present invention, therefore all structures according to described in present patent application scope
Make, the equivalent change or modification that feature and principle are done, in the protection domain of present patent application.
Claims (9)
1. a kind of 3dB electric bridges：It is characterized in that:Include synusia（1）With with upper synusia（1）The lower synusia be arrangeding in parallel（2）,
Upper synusia（1）With lower synusia（2）Between pad be provided with dielectric（3）；
Upper synusia（1）Include two be arranged side by side, side sub-pieces of size shape identical upper strata 14, each side of upper strata 14
Sub-pieces includes the first arm of two obtuse triangles（11）, the second arm of a rectangle（12）, two the 3rd trapezoidal arms
（13）；Two the first arms（11）Obtuse angle outwardly, two the first arms（11）Obtuse angle institute to base respectively with the second arm（12）
Two short sides be connected, two the 3rd arms（13）Long base respectively with the second arm（12）Two long short sides be connected, two the
Three arms（13）Short base outwardly, two the first arms（11）Obtuse angle institute to base and the second arm（12）Bond length it is identical；
Also include the first connect band of several fonts（14）, the first connect band（14）Two vertical arm be located at two side sub-pieces of layer 14 it
Between, the first connect band（14）Two ends the 3rd arm respectively with the lower section of two side sub-pieces of upper strata 14（13）Short base phase
Even；Second arm of each upper strata 14 side sub-pieces（12）Both sides be provided with the two groups of adjustment slot structures of setting of being centrosymmetric, often
Individual adjustment slot structure includes the first adjustment tank of a Π shape（17）And first adjustment tank（17）In three bar groove enclosing regions
The adjustment tank of rectangle second opened up（18）, the first adjustment tank（17）Opening towards adjacent first arm（11）Obtuse angle side；The
Two arms（12）Center provided with circular coupling slot（15）；Second arm of one side sub-pieces of upper strata 14（12）, its base
Side extend downwardly out the first input arm of L-shaped（101）, the first input arm（101）Cross bar outwardly；Another upper strata ten
Second arm of four side sub-pieces（12）, the side on its base extends downwardly out the first output arm of L-shaped（102）, the first output arm
（102）Cross bar outwardly；
Lower synusia（2）Include two be arranged side by side, side sub-pieces of size shape identical lower floor 14, each side of lower floor 14
Sub-pieces includes the 4th arm of two obtuse triangles（21）, the 5th arm of a rectangle（22）, two the 6th trapezoidal arms
（23）；Two the 4th arms（21）Obtuse angle outwardly, two the 4th arms（21）Obtuse angle institute to base respectively with the 5th arm（22）
Two short sides be connected, two the 6th arms（23）Long base respectively with the 5th arm（22）Two long short sides be connected, two the
Six arms（23）Short base outwardly, two the 3rd arms（13）Obtuse angle institute to base and the 5th arm（22）Bond length it is identical；
Also include the second connect band of Π shapes（27）, the second connect band（27）Two ends it is upper with Liang Ge lower floors 14 side sub-pieces respectively
6th arm of side（23）Short base be connected；5th arm of each lower floor 14 side sub-pieces（22）Both sides be provided with and upper strata 14
Second adjustment tank of sub-pieces（18）Corresponding 3rd adjustment tank（24）；The center of each lower floor 14 side sub-pieces has been extended upward
Auxiliary resonance post（28）, auxiliary resonance post（28）Top surface be provided with resonance plate（25）, resonance plate（25）Positioned at coupling slot（15）It is interior；
5th arm of one side sub-pieces of lower floor 14（22）, the side of its top margin extends upward the second input arm of L-shaped（201）,
Second input arm（201）Cross bar outwardly；5th arm of another side sub-pieces of lower floor 14（22）, the one of its top margin prolongs on the side
It is extended with the second output arm of L-shaped（202）, the second output arm（202）Cross bar outwardly.
2. a kind of 3dB electric bridges according to claim 1：It is characterized in that:The side sub-pieces of upper strata 14 and lower floor 14
Side sub-pieces size is identical.
3. a kind of 3dB electric bridges according to claim 1：It is characterized in that:The coupling slot（15）Bian Shangxiang centers prolong
It is extended with two resonant rods（16）, resonance plate（25）On cave inward and have two and resonant rod（16）Corresponding humorous groove（26）.
4. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:The resonance plate（25）Diameter be less than couple it is recessed
Groove.
5. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:The resonance plate（25）Thickness and upper strata 14
The thickness of sub-pieces is identical.
6. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:The height and dielectric of the auxiliary resonant column（3）
Thickness it is identical.
7. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:First arm（11）With the 4th arm（21）It is big
It is small identical, and be isosceles triangle.
8. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:3rd arm（13）With the 6th arm（23）Size
It is identical, and be isosceles trapezoid.
9. according to a kind of 3dB electric bridges described in claim 1：It is characterized in that:Second adjustment tank（18）3rd adjustment of sum
Groove（24）Size is identical.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376698.0A CN107104259B (en) | 2017-05-25 | 2017-05-25 | A kind of 3dB electric bridge |
| PCT/CN2018/073145 WO2018214584A1 (en) | 2017-05-25 | 2018-01-18 | 3db bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710376698.0A CN107104259B (en) | 2017-05-25 | 2017-05-25 | A kind of 3dB electric bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107104259A true CN107104259A (en) | 2017-08-29 |
| CN107104259B CN107104259B (en) | 2019-07-12 |
Family
ID=59670173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710376698.0A Active CN107104259B (en) | 2017-05-25 | 2017-05-25 | A kind of 3dB electric bridge |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107104259B (en) |
| WO (1) | WO2018214584A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108134173A (en) * | 2017-12-28 | 2018-06-08 | 荆门市亿美工业设计有限公司 | Same frequency combiner |
| WO2018214538A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Double-coupled 3db bridge |
| WO2018214564A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Same-band combiner |
| WO2018214562A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Double-coupled same-band combiner |
| WO2018214584A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | 3db bridge |
| WO2019136886A1 (en) * | 2018-01-12 | 2019-07-18 | 石家庄创天电子科技有限公司 | Bridge |
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| CN203883102U (en) * | 2014-06-09 | 2014-10-15 | 杭州紫光网络技术有限公司 | Broadband 3DB bridge |
| CN107196032B (en) * | 2017-05-25 | 2018-06-19 | 国网陕西省电力公司西安供电公司 | A kind of same frequency combiner |
| CN107104259B (en) * | 2017-05-25 | 2019-07-12 | 东莞质研工业设计服务有限公司 | A kind of 3dB electric bridge |
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- 2018-01-18 WO PCT/CN2018/073145 patent/WO2018214584A1/en active Application Filing
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| US20060157866A1 (en) * | 2005-01-20 | 2006-07-20 | Le Thoai T | Signal redistribution using bridge layer for multichip module |
| KR101242739B1 (en) * | 2012-05-30 | 2013-03-18 | 김병수 | Window structure for curtain wall |
| CN204103018U (en) * | 2014-08-01 | 2015-01-14 | 上海鑫众通信技术有限公司 | A kind of high intermodulation waterproof 3dB electric bridge |
| CN105489995A (en) * | 2014-10-10 | 2016-04-13 | 安徽海洋电子科技有限公司 | Microstrip line bridge |
| CN104300195A (en) * | 2014-10-13 | 2015-01-21 | 世达普(苏州)通信设备有限公司 | Surface-mounted ultra-wideband 3dB electric bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214538A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Double-coupled 3db bridge |
| WO2018214564A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Same-band combiner |
| WO2018214562A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | Double-coupled same-band combiner |
| WO2018214584A1 (en) * | 2017-05-25 | 2018-11-29 | 覃梅花 | 3db bridge |
| CN108134173A (en) * | 2017-12-28 | 2018-06-08 | 荆门市亿美工业设计有限公司 | Same frequency combiner |
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| WO2019136886A1 (en) * | 2018-01-12 | 2019-07-18 | 石家庄创天电子科技有限公司 | Bridge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107104259B (en) | 2019-07-12 |
| WO2018214584A1 (en) | 2018-11-29 |
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Effective date of registration: 20191121 Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Address before: 523000 Dongcheng District, Dongguan City, Guangdong Province, Niushan Bright Avenue East City Zhongyun Smart City Industrial Park C Block 302 Patentee before: Dongguan quality industrial design & Service Co., Ltd. |