CN103904401B - A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge - Google Patents
A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge Download PDFInfo
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- CN103904401B CN103904401B CN201410137585.1A CN201410137585A CN103904401B CN 103904401 B CN103904401 B CN 103904401B CN 201410137585 A CN201410137585 A CN 201410137585A CN 103904401 B CN103904401 B CN 103904401B
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- coupling part
- control lever
- coupling
- declutcher control
- trapezoidal
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Abstract
The invention discloses a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge; By the first coupling part and second coupling part of annular arranging, can make annular coupling effect greatly strengthen, its coefficient of coup calculating by simulation software is high, coupling frequency can reach 2950KHZ, has met greatly the requirement of current main flow LTE technical standard, and its practicality increases greatly, it is simple in structure in addition, difficult bad, long service life, and also the separate sheet of the trapezoidal declutcher control lever arranging and circle increases isolation greatly.
Description
Technical field
The present invention relates to same frequency combiner technical field, be specifically related to a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge.
Background technology
In same frequency combiner, main component is exactly 3dB electric bridge, and 3dB electric bridge is a kind of electrical part that two kinds of identical signals of frequency is coupled into a road signal output; It requires the degree of coupling high, and accurately, frequency range is wide; In the communications industry, be widely used, wherein, in the newly-increased standard LTE of the communications industry, the frequency range of LTE standard-required is 2570MHz-2750MHz, in same frequency combiner in the market, the general coupling frequency width of 3dB electric bridge adopting is 600MHz-2400MHz, can not meet the frequency range of newly-increased LTE standard-required. In addition, 3dB in the market, for reaching wideband object, adopts different coupling line forms, causes mould waste, therefore has the shortcoming that production cost is higher; And isolation of hybrid coupler is in the market little.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, provide that a kind of coupling frequency is wide can reach 2950MHZ and two coupling line shapes are identical, save cost, the same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge that isolation is large.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge, includes housing and be located at the 3dB electric bridge in housing; Described 3dB electric bridge includes the first coupling line and the second coupling line, the first output pin that described the first coupling line comprises the first coupling part of annular, extend upward from the first coupling part one skew back, from oblique downward the first input pin stretching out of the first coupling part opposite side; The free end of described the first output pin is established the first output, and the free end of the first input pin is established first input end;
The second output pin that described the second coupling line comprises the second coupling part of annular, extend upward from the second coupling part one skew back, from oblique downward the second input pin stretching out of the second coupling part opposite side; The free end of described the second output pin is established the second output, and the free end of the first input pin is established the second input;
Described the first coupling line is parallel with the second coupling line and overlap, and between the first coupling part and the second coupling part, distance is 4mm-8mm;
The both sides of described the first coupling part and the second coupling part are respectively equipped with installing hole, between the installing hole of described the first coupling part and the corresponding installing hole of the second coupling part, be provided with insulation column, between described the first coupling part and the second coupling part, fix by insulation column;
Extend downwards on the top of the interior ring of described the first coupling part a first trapezoidal declutcher control lever, and the hem width of going to the bottom of described the first declutcher control lever is 3mm, and upper base hem width is 1mm, and the upper base of described the first declutcher control lever is also extended with the first separate sheet of a circle downwards;
The bottom of the interior ring of described the second coupling part extends upward a second trapezoidal declutcher control lever, and the hem width of going to the bottom of described the second declutcher control lever is 3mm, and upper base hem width is 1mm, and the upper base of described the second declutcher control lever is also upwards extended with the second separate sheet of a circle.
Wherein, described the first coupling line is identical with the second coupling line shape and be symmetrical arranged.
Wherein, the interior ring diameter of described the first coupling part and the second coupling part is 25mm.
Wherein, on each insulation column, be equipped with twice draw-in groove, and the twice draw-in groove of each insulation column distance equates.
Wherein, between the first coupling part and the second coupling part, distance is 5mm.
Beneficial effect of the present invention is: by the first coupling part and second coupling part of annular arranging, can make annular coupling effect greatly strengthen, its coefficient of coup calculating by simulation software is high, coupling frequency can reach 2950KHZ, has met greatly the requirement of current main flow LTE technical standard, and its practicality increases greatly, it is simple in structure in addition, difficult bad, long service life, and also the separate sheet of the trapezoidal declutcher control lever arranging and circle increases isolation greatly.
Brief description of the drawings
Fig. 1 is the front view of 3dB electric bridge 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 front view of the present invention;
Fig. 5 is the first coupling line, the second coupling line and the insulation column profile while coordinating;
Fig. 6 is that the present invention reaches the curve synoptic diagram of high coupling frequency in simulation software;
Description of reference numerals in Fig. 1 to Fig. 6:
1-the first coupling line; 11-the first coupling part; 12-the first output pin; 13-the first input pin; 14-the first output; 15-the first declutcher control lever;
2-the second coupling line; 21-the second coupling part; 22-the second output pin; 23-the second input pin; 24-the second output; 25-the second declutcher control lever; 25a-the first separate sheet; 25b-the second separate sheet;
3-installing hole; 3a-insulation column;
4-housing.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figures 1 to 6, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, includes housing and is located at the 3dB electric bridge in housing 4; Described 3dB electric bridge includes the first coupling line 1 and the second coupling line 2, the first output pin 12 that described the first coupling line 1 comprises the first coupling part 11 of annular, extend upward from the first coupling part 11 1 skew backs, from oblique downward the first input pin 13 stretching out of the first coupling part 11 opposite side; The free end of described the first output pin 12 is established the free end of the first output 14, the first input pins 13 and is established first input end; The second output pin 22 that described the second coupling line 2 comprises the second coupling part 21 of annular, extend upward from the second coupling part 21 1 skew backs, from oblique downward the second input pin 23 stretching out of the second coupling part 21 opposite side; The free end of described the second output pin 22 is established the free end of the second output 24, the first input pins 13 and is established the second input; Described the first coupling line 1 is parallel with the second coupling line 2 and overlap, and between the first coupling part 11 and the second coupling part 21, distance is 4mm-8mm; The both sides of described the first coupling part 11 and the second coupling part 21 are respectively equipped with installing hole 3, between the corresponding installing hole 3 of the installing hole 3 of described the first coupling part 11 and the second coupling part 21, be provided with insulation column 3a, between described the first coupling part 11 and the second coupling part 21, fix by insulation column 3a. By the first coupling part 11 and second coupling part 21 of annular arranging, can make annular coupling effect greatly strengthen, its coefficient of coup calculating by simulation software is high, coupling frequency can reach 2950KHZ, met greatly the requirement of current main flow LTE technical standard, its practicality increases greatly, and it is simple in structure in addition, difficult bad, long service life.
Further, the corresponding same frequency combiner with it that utilizes that 3dB electric bridge described in the present embodiment makes, includes housing 4 and 3dB electric bridge described above; Above-mentioned 3dB electric bridge is fixed on the same frequency combiner of the interior formation of housing 4.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, described the first coupling line 1 is identical with the second coupling line 2 shapes and be symmetrical arranged; So arrange, the first coupling line 1 and the second coupling line 2 are made in same mould, saved the cost of mould, reduced raw-material cost, improved production efficiency, reduced accident rate.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, the interior ring diameter of described the first coupling part 11 and the second coupling part 21 is 25mm; Calculate by emulation of the computer software, in the time that the interior ring diameter of the first coupling part 11 and the second coupling part 21 is 25mm, its frequency broadband optimum, effect is best.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, is equipped with twice draw-in groove on each insulation column 3a, and the twice draw-in groove of each insulation column distance equates; So arrange, can control accurately the distance between the first coupling part 11 and the second coupling part 21, prevent the distortion that the variation of distance tells on.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, between the first coupling part 11 and the second coupling part 21, distance is 5mm. Calculate by emulation of the computer software, in the time that between a coupling part and the second coupling part 21, distance is 5mm, its frequency broadband optimum, effect is best.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, extend downwards on the top of the interior ring of described the first coupling part 11 a first trapezoidal declutcher control lever 15, the hem width of going to the bottom of described the first declutcher control lever 15 is 3mm, upper base hem width is 1mm, and the upper base of described the first declutcher control lever 15 is also extended with the first separate sheet 25a of a circle downwards; By the first trapezoidal declutcher control lever 15 and the first circular separate sheet 25a that arrange, can make the isolation of electric bridge greatly increase, known by emulation of the computer software, so setting can reach the isolation of 25db.
Further, a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge described in the present embodiment, the bottom of the interior ring of described the second coupling part 21 extends upward a second trapezoidal declutcher control lever 25, the hem width of going to the bottom of described the second declutcher control lever 25 is 3mm, upper base hem width is 1mm, and the upper base of described the second declutcher control lever 25 is also upwards extended with the second separate sheet 25b of a circle. The same, by the second trapezoidal declutcher control lever 25 and circular the second separate sheet 25b that arrange, can make the isolation of electric bridge greatly increase, known by emulation of the computer software, so setting can reach the isolation of 25db.
The above is only a preferred embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in the protection domain of patent application of the present invention.
Claims (3)
1. there is a same frequency combiner for trapezoidal declutcher control lever 3dB electric bridge, include housing and be located at the 3dB electric bridge in housing (4); Described 3dB electric bridge includes the first coupling line (1) and the second coupling line (2),
It is characterized in that: the first output pin (12) that described the first coupling line (1) comprises first coupling part (11) of annular, extend upward from the first coupling part (11) one skew backs, from oblique downward the first input pin (13) stretching out of the first coupling part (11) opposite side; The free end of described the first output pin (12) is established the first output (14), and the free end of the first input pin (13) is established first input end;
The second output pin (22) that described the second coupling line (2) comprises second coupling part (21) of annular, extend upward from the second coupling part (21) one skew backs, from oblique downward the second input pin (23) stretching out of the second coupling part (21) opposite side; The free end of described the second output pin (22) is established the second output (24), and the free end of the first input pin (13) is established the second input;
Described the first coupling line (1) is parallel with the second coupling line (2) and overlap, and between the first coupling part (11) and the second coupling part (21), distance is 4mm-8mm;
Described the first coupling part (11) is respectively equipped with installing hole (3) with the both sides of the second coupling part (21), between the installing hole (3) of described the first coupling part (11) and the corresponding installing hole (3) of the second coupling part (21), be provided with insulation column (3a), fixing by insulation column (3a) between described the first coupling part (11) and the second coupling part (21);
Extend downwards on the top of the interior ring of described the first coupling part (11) trapezoidal first declutcher control lever (15), the hem width of going to the bottom of described the first declutcher control lever (15) is 3mm, upper base hem width is 1mm, and the upper base of described the first declutcher control lever (15) is also extended with first separate sheet (25a) of a circle downwards;
The bottom of the interior ring of described the second coupling part (21) extends upward trapezoidal second declutcher control lever (25), the hem width of going to the bottom of described the second declutcher control lever (25) is 3mm, upper base hem width is 1mm, and the upper base of described the second declutcher control lever (25) is also upwards extended with second separate sheet (25b) of a circle;
Described the first coupling line (1) is identical with the second coupling line (2) shape and be symmetrical arranged;
The interior ring diameter of described the first coupling part (11) and the second coupling part (21) is 25mm;
On each insulation column (3a), be equipped with twice draw-in groove.
2. a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge according to claim 1, is characterized in that: the twice draw-in groove distance of each insulation column (3a) equates.
3. a kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge according to claim 1, is characterized in that: between the first coupling part (11) and the second coupling part (21), distance is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137585.1A CN103904401B (en) | 2014-04-08 | 2014-04-08 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410137585.1A CN103904401B (en) | 2014-04-08 | 2014-04-08 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904401A CN103904401A (en) | 2014-07-02 |
| CN103904401B true CN103904401B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410137585.1A Expired - Fee Related CN103904401B (en) | 2014-04-08 | 2014-04-08 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470614B (en) * | 2016-01-26 | 2017-02-15 | 上海交通大学 | Same-frequency combiner |
| CN105609918A (en) * | 2016-01-26 | 2016-05-25 | 邝嘉豪 | 3dB electrical bridge with circular hole |
| CN105470615B (en) * | 2016-01-26 | 2017-01-18 | 国家电网公司 | same-frequency combiner |
| CN105514560B (en) * | 2016-01-26 | 2016-10-19 | 育昌电子工业（中山）有限公司 | A kind of same frequency combiner being provided with T groove |
| CN105514553A (en) * | 2016-02-01 | 2016-04-20 | 谢广鹏 | Electric power detection system |
| CN105514548A (en) * | 2016-02-01 | 2016-04-20 | 谢广鹏 | Electric power monitoring system |
| CN107196031B (en) * | 2017-05-25 | 2019-08-23 | 林驰杰 | A kind of same frequency combiner |
| CN110729545B (en) * | 2018-07-17 | 2022-03-11 | 康普技术有限责任公司 | Coupler for communication system |
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| CN2643581Y (en) * | 2003-08-29 | 2004-09-22 | 西安海天天线科技股份有限公司 | Multiband microwave small-sized mixed bridge |
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| US8633866B2 (en) * | 2010-02-26 | 2014-01-21 | The Regents Of The University Of Michigan | Frequency-selective surface (FSS) structures |
| CN203456571U (en) * | 2013-09-09 | 2014-02-26 | 深圳国人通信有限公司 | 3dB bridge |
| CN203932275U (en) * | 2014-04-08 | 2014-11-05 | 钟小茹 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
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2014
- 2014-04-08 CN CN201410137585.1A patent/CN103904401B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2643581Y (en) * | 2003-08-29 | 2004-09-22 | 西安海天天线科技股份有限公司 | Multiband microwave small-sized mixed 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 |
| US8633866B2 (en) * | 2010-02-26 | 2014-01-21 | The Regents Of The University Of Michigan | Frequency-selective surface (FSS) structures |
| 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 |
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| CN203932275U (en) * | 2014-04-08 | 2014-11-05 | 钟小茹 | A kind of same frequency combiner with trapezoidal declutcher control lever 3dB electric bridge |
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| CN103904401A (en) | 2014-07-02 |
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| 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: Hu Zhangyong Inventor after: Yin Honggang Inventor after: Liu Yixiang Inventor after: Zhao Dongfang Inventor after: Xu Bin Inventor after: Qin Chaomeng Inventor before: Zhong Xiaoru |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160422 Address after: 274600 the Yellow River West Road, Juancheng, Shandong, No. 135, No. Applicant after: STATE GRID SHANDONG ELECTRIC POWER COMPANY, JUANCHENG POWER SUPPLY COMPANY Address before: Shuang GUI Xiang Village of Guiyang County of Wenzhou City, Zhejiang province 325300 Wencheng Applicant before: Zhong Xiaoru |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160525 Termination date: 20180408 |