CN103904400B - A kind of 3dB electric bridges - Google Patents
A kind of 3dB electric bridges Download PDFInfo
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- CN103904400B CN103904400B CN201410137577.7A CN201410137577A CN103904400B CN 103904400 B CN103904400 B CN 103904400B CN 201410137577 A CN201410137577 A CN 201410137577A CN 103904400 B CN103904400 B CN 103904400B
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Abstract
The invention discloses a kind of 3dB electric bridges, pass through the first coupling part and the second coupling part of the annular of setting, it may be such that annular coupling effect greatly enhances, the coefficient of coup that it is calculated by simulation software is high, and coupling frequency can reach 2950KHZ, greatly meet the requirement of current main flow LTE technical standards, its practicality greatly increases, its is simple in construction in addition, is not easy bad, service life length.
Description
Technical field
The present invention relates to same frequency combiner accessory technical field, and in particular to a kind of 3dB electric bridges.
Background technology
In same frequency combiner, main component is exactly 3dB electric bridges, and 3dB electric bridges are a kind of by two kinds of frequency identicals
Signal is coupled into the electrical part of signal output all the way；It requires degree of coupling height, and accurately, frequency range is wide；The quilt in the communications industry
Widely use, wherein, in the newly-increased standard LTE of the communications industry, the frequency range of LTE standard requirement is 2570MHz-2750MHz, at present
In the same frequency combiner of in the market, the used universal coupling frequency width of 3dB electric bridges is 600MHz-2400MHz, it is impossible to is met
The frequency range of newly-increased LTE standard requirement.In addition, 3dB in the market is reaches wideband purpose, it is linear using different couplings
Formula, cause mould to waste, therefore there is the shortcomings that production cost is higher.
The content of the invention
It is an object of the invention to overcome disadvantages described above, there is provided a kind of coupling frequency is wide can reach 2950MHZ and
Two coupling wire shapeds are identical, cost-effective 3dB electric bridges.
To achieve the above object, concrete scheme of the invention is as follows：A kind of 3dB electric bridges, include the first coupling line and
Two coupling lines, the first coupling part of first coupling line including annular, extend obliquely from the first coupling part side
First output pin, the first input pin extended obliquely from the first coupling part opposite side；The free end of first output pin
If the first output end, the free end of the first input pin sets first input end；Second coupling line includes the second coupling of annular
Conjunction portion, the second output pin extended obliquely from the second coupling part side, extend obliquely from the second coupling part opposite side
The second input pin；The free end of second output pin sets the second output end, and the free end of the second input pin sets the second input
End；First coupling line and the second coupling line are parallel and overlap, and distance is between the first coupling part and the second coupling part
4mm-8mm；The both sides of first coupling part and the second coupling part are respectively equipped with mounting hole, the mounting hole of first coupling part
Insulation column is provided between mounting hole corresponding with the second coupling part, is passed through between first coupling part and the second coupling part
Insulation column is fixed；The inner ring of first coupling part extends downwardly out a first square declutcher control lever, first declutcher control lever
Transverse width is 2mm, vertical height 3mm, and the inner ring of the second coupling part extends downwardly out a second square declutcher control lever,
The transverse width of second declutcher control lever is 2mm, vertical height 3mm.
Wherein, first coupling line and the second coupling wire shaped are identical and be symmetrical arranged.
Wherein, the annular diameters of first coupling part and the second coupling part are 25mm.
Wherein, twice neck is equipped with each insulation column, and the twice neck of each insulation column is apart from equal.
Wherein, distance is 5mm between the first coupling part and the second coupling part.
Beneficial effects of the present invention are：By the first coupling part and the second coupling part of the annular of setting, ring may be such that
Shape coupling effect greatly enhances, and the coefficient of coup that it is calculated by simulation software is high, and coupling frequency can reach 2950KHZ, greatly
The big requirement for meeting current main flow LTE technical standards, its practicality greatly increase, and its is simple in construction in addition, not rapid wear
It is bad, service life length.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is the front view of the first coupling line；
Fig. 3 is the front view of the second coupling line；
Fig. 4 is the front view of the same frequency combiner made using the present invention；
Fig. 5 is profile when the first coupling line, the second coupling line and insulation column coordinate；
Fig. 6 is the curve synoptic diagram that the present invention reaches highest coupling frequency in simulation software；
Description of reference numerals in Fig. 1 to Fig. 6：
The coupling lines of 1- first；The coupling parts of 11- first；The output pins of 12- first；The input pins of 13- first；The output ends of 14- first；
The declutcher control levers of 15- first；The coupling lines of 2- second；The coupling parts of 21- second；The output pins of 22- second；The input pins of 23- second；24- second
Output end；The declutcher control levers of 25- second；3- mounting holes；3a- insulation columns；4- housings.
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 6, a kind of 3dB electric bridges described in the present embodiment, the first coupling line 1 and the second coupling are included
Line 2, the first coupling part 11 of first coupling line 1 including annular, extend obliquely from the side of the first coupling part 11
First output pin 12, the first input pin 13 extended obliquely from the opposite side of the first coupling part 11；First output pin 12
Free end set the first output end 14, the free end of the first input pin 13 sets first input end；Second coupling line 2 includes circle
Second coupling part 21 of annular, the second output pin 22 extended obliquely from the side of the second coupling part 21, from the second coupling part
The second input pin 23 that 21 opposite sides extend obliquely；The free end of second output pin 22 sets the second output end 24, the
The free end of two input pins 23 sets the second input；First coupling line 1 is parallel with the second coupling line 2 and overlaps,
Distance is 4mm-8mm between one coupling part 11 and the second coupling part 21；The two of the coupling part 21 of first coupling part 11 and second
Side is respectively equipped with mounting hole 3, between the mounting hole 3 of first coupling part 11 and the corresponding mounting hole 3 of the second coupling part 21
Provided with insulation column 3a, fixed between the coupling part 21 of the first coupling part 11 and second by insulation column 3a.Pass through setting
Annular the first coupling part 11 and the second coupling part 21, may be such that annular coupling effect greatly enhances, it is soft by emulating
The coefficient of coup that part calculates is high, and coupling frequency can reach 2950KHZ, greatly meet current main flow LTE technical standards
It is required that its practicality greatly increases, its is simple in construction in addition, is hardly damaged, service life length.
Further, the corresponding same frequency combiner made using the 3dB electric bridges described in the present embodiment, includes shell
Body 4 and 3dB electric bridges described above；Above-mentioned 3dB electric bridges, which are fixed in housing 4, forms same frequency combiner.
Further, a kind of 3dB electric bridges described in the present embodiment, the shape phase of 1 and second coupling line of the first coupling line 2
Together and it is symmetrical arranged；It is arranged such, the first coupling line 1 and the second coupling line 2 is made in same mould, save mould
The cost of tool, the cost of raw material is reduced, improves production efficiency, reduces accident rate.
Further, a kind of 3dB electric bridges described in the present embodiment, the coupling part 21 of the first coupling part 11 and second it is interior
Ring diameter is 25mm；Calculated by emulation of the computer software, when the first coupling part 11 and the annular diameters of the second coupling part 21
When being 25mm, its frequency broadband is optimal, and effect is best.
Further, a kind of 3dB electric bridges described in the present embodiment, twice neck is equipped with each insulation column 3a, and
And the twice neck of each insulation column is apart from equal；It is arranged such, can accurately controls the first coupling part 11 and the second coupling
The distance between portion 21, the distortion for preventing the change of distance from telling on.
Further, a kind of 3dB electric bridges described in the present embodiment, distance between the first coupling part 11 and the second coupling part 21
For 5mm.Calculated by emulation of the computer software, when distance is 5mm between a coupling part and the second coupling part 21, its frequency is wide
With optimal, effect is best.
Further, a kind of 3dB electric bridges described in the present embodiment, the inner ring of the first coupling part 11 extend downwardly out a side
First declutcher control lever 15 of shape, the transverse width of first declutcher control lever 15 is 2mm, vertical height 3mm；Pass through the first of setting
Declutcher control lever 15, it may be such that the isolation of electric bridge greatly increases, pass through emulation of the computer software, it is known that, it is arranged such and can reach
25db isolation.
Further, a kind of 3dB electric bridges described in the present embodiment, the inner ring of the second coupling part 21 extend downwardly out a side
Second declutcher control lever 25 of shape, the transverse width of second declutcher control lever 25 is 2mm, vertical height 3mm.Ibid, setting is passed through
The second declutcher control lever 25, may be such that the isolation of electric bridge greatly increases, pass through emulation of the computer software, it is known that, being arranged such can
Reach 25db isolation.
Described above is only the preferred embodiment of the present invention, therefore all structures described according to 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 (2)
1. a kind of 3dB electric bridges, include the first coupling line（1）With the second coupling line（2）, it is characterised in that：First coupling
Line（1）The first coupling part including annular（11）, from the first coupling part（11）The first output pin that side is extended obliquely
（12）, from the first coupling part（11）The first input pin that opposite side extends obliquely（13）；First output pin（12）'s
Free end sets the first output end（14）, the first input pin（13）Free end set first input end；Second coupling line（2）Bag
Include the second coupling part of annular（21）, from the second coupling part（21）The second output pin that side is extended obliquely（22）, from
Second coupling part（21）The second input pin that opposite side extends obliquely（23）；Second output pin（22）Free end set
Second output end（24）, the second input pin（23）Free end set the second input；First coupling line（1）With the second coupling
Line（2）It is parallel and overlap, the first coupling part（11）With the second coupling part（21）Between distance be 4mm-8mm；Described first
Coupling part（11）With the second coupling part（21）Both sides be respectively equipped with mounting hole（3）, first coupling part（11）Mounting hole
（3）With the second coupling part（21）Corresponding mounting hole（3）Between be provided with insulation column（3a）, first coupling part（11）With
Second coupling part（21）Between pass through insulation column（3a）It is fixed；First coupling line（1）With the second coupling line（2）Shape phase
Together and it is symmetrical arranged；First coupling part（11）With the second coupling part（21）Annular diameters be 25mm；First coupling part
（11）With the second coupling part（21）Between distance be 5mm；
First coupling part（11）Inner ring extend downwardly out a first square declutcher control lever（15）, first declutcher control lever（15）
Transverse width be 2mm, vertical height 3mm, the second coupling part（21）Inner ring extend downwardly out square second point
From bar（25）, second declutcher control lever（25）Transverse width be 2mm, vertical height 3mm.
A kind of 2. 3dB electric bridges according to claim 1, it is characterised in that：Each insulation column（3a）On be equipped with twice
Neck, and the twice neck of each insulation column is apart from equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137577.7A CN103904400B (en) | 2014-04-08 | 2014-04-08 | A kind of 3dB electric bridges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137577.7A CN103904400B (en) | 2014-04-08 | 2014-04-08 | A kind of 3dB electric bridges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904400A CN103904400A (en) | 2014-07-02 |
| CN103904400B true CN103904400B (en) | 2017-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410137577.7A Active CN103904400B (en) | 2014-04-08 | 2014-04-08 | A kind of 3dB electric bridges |
Country Status (1)
| Country | Link |
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| CN (1) | CN103904400B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112894B (en) * | 2014-07-04 | 2016-04-13 | 成都利尼科医学技术发展有限公司 | A kind of ring-shape bridge |
| CN107196030B (en) * | 2017-05-25 | 2018-09-28 | 东莞质研工业设计服务有限公司 | A kind of asymmetric 3dB electric bridges |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2531273B1 (en) * | 1982-07-30 | 1985-08-30 | Thomson Csf | HYBRID HYPERFREQUENCY RING |
| JPH06204719A (en) * | 1993-01-06 | 1994-07-22 | Mitsubishi Electric Corp | Microwave circuit |
| JPH09139612A (en) * | 1995-11-16 | 1997-05-27 | Matsushita Electric Ind Co Ltd | Dual mode filter |
| 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 |
| CN201562742U (en) * | 2009-11-03 | 2010-08-25 | 泉州佳信天线有限公司 | High-power broadband 3dB bridge |
| CN201845849U (en) * | 2010-09-17 | 2011-05-25 | 南京广顺网络通信设备有限公司 | Wideband cavity bridge capable of realizing signal input at same side |
| CN102866431A (en) * | 2012-09-13 | 2013-01-09 | 中国科学院电工研究所 | Low-temperature superconducting device for measuring gravity |
| CN203932276U (en) * | 2014-04-08 | 2014-11-05 | 吴俊伟 | A kind of 3dB electric bridge |
-
2014
- 2014-04-08 CN CN201410137577.7A patent/CN103904400B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2531273B1 (en) * | 1982-07-30 | 1985-08-30 | Thomson Csf | HYBRID HYPERFREQUENCY RING |
| JPH06204719A (en) * | 1993-01-06 | 1994-07-22 | Mitsubishi Electric Corp | Microwave circuit |
| JPH09139612A (en) * | 1995-11-16 | 1997-05-27 | Matsushita Electric Ind Co Ltd | Dual mode filter |
| CN201562742U (en) * | 2009-11-03 | 2010-08-25 | 泉州佳信天线有限公司 | High-power broadband 3dB bridge |
| 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 |
| CN201845849U (en) * | 2010-09-17 | 2011-05-25 | 南京广顺网络通信设备有限公司 | Wideband cavity bridge capable of realizing signal input at same side |
| CN102866431A (en) * | 2012-09-13 | 2013-01-09 | 中国科学院电工研究所 | Low-temperature superconducting device for measuring gravity |
| CN203932276U (en) * | 2014-04-08 | 2014-11-05 | 吴俊伟 | A kind of 3dB electric bridge |
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| Publication number | Publication date |
|---|---|
| CN103904400A (en) | 2014-07-02 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Yuyu Inventor before: Wu Junwei |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171113 Address after: 242500 Anhui city of Xuancheng province Jingxian County Jingchuan town of Stone Village Stone Group No. 025 Applicant after: Xu Yuyu Address before: Shui Jiao Xiang large rocky mountain town of Wencheng County of Wenzhou city of Zhejiang Province, No. 22 325300 Applicant before: Wu Junwei |
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