CN109888492A - A kind of sunk type phase shift power splitter - Google Patents
A kind of sunk type phase shift power splitter Download PDFInfo
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- CN109888492A CN109888492A CN201910179864.7A CN201910179864A CN109888492A CN 109888492 A CN109888492 A CN 109888492A CN 201910179864 A CN201910179864 A CN 201910179864A CN 109888492 A CN109888492 A CN 109888492A
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Abstract
The present invention provides a kind of sunk type phase shift power splitter comprising: coaxial feed, the first metal segments and the second metal segments, the first radiator being connect with the first metal segments side, the third metal segments being connect with the first metal segments other side, the second radiator being connect with the second metal segments side, the 4th metal segments and metal plate for connecting with the second metal segments other side and being connect with third metal segments；Wherein the coaxial feed is connect after passing through metal plate with the 4th metal segments.The present invention is all made of sunk type design by third metal segments and the 4th metal segments, allows the width of metal segments to be designed very narrow, to reduce the coupling between different metal section, improves the radio signal transmission efficiency of metal segments；Simultaneously as sinking, third and the 4th metal segments reduce the coupling between power divider and adjacent emitter, reduce ghost effect, improve radiation efficiency all farther away from the radiating element on upper layer.
Description
Technical field
The present invention relates to microwave technical field more particularly to a kind of sunk type phase shift power splitters.
Background technique
The current feed phase for controlling each antenna element is the most popular method for controlling antenna array pattern and being directed toward.Antenna list
The current feed phase control method of member has very much, and one of cost is relatively low and compact-sized mode is the series connection with different length
Feed line (can also see that acting divides phase shifter) connects each antenna element one by one, realizes phase controlling.
Phase shifter is the critical component applied to electric tuning antenna of base station, can change the beam-scanning angles of electrical tilt antenna,
That is angle of declination.Change the coverage area of antenna beam, therefore the performance pair of phase shifter by adjusting the phase shift position of phase shifter
The performance of antenna for base station has conclusive effect.
For many antenna arrays, the spacing between antenna element has fixed requirement, this is allowed between antenna element
It leaves for and divides the space of phase shifter to become very limited for function；Meanwhile in order to improve the beamwidth of antenna, the radiator of antenna element with
Spacing would generally be larger between ground, so that the microstrip line line width for shifting to device for designing function point can be wider.It is above-mentioned two because
Under the collective effect of element, so that dividing phase shifter according to traditional approach design function, not only volume is big, and can be with antenna element spoke
Strong coupling is generated between emitter, has seriously affected the performance of aerial array.
Therefore, the prior art is defective, needs to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of sunk type phase shift power splitters, reduce power divider and adjacent emitter
Between coupling, reduce ghost effect, improve radiation efficiency.
The present invention provides a kind of sunk type phase shift power splitter comprising: coaxial feed is arranged in parallel and vertically sets
It is the first metal segments and the second metal segments set, the first radiator being connect with the first metal segments side, another with the first metal segments
The third metal segments of side connection, the second radiator being connect with the second metal segments side, connect with the second metal segments other side and
The 4th metal segments being connect with third metal segments and the metal plate below third metal segments and the 4th metal segments；Wherein institute
Coaxial feed is stated to connect after metal plate with the 4th metal segments.
Further, the 4th metal segments be equipped with through hole, coaxial feed pass through metal plate after with the 4th metal segments
Through hole connection.
Further, first metal segments, the second metal segments, third metal segments and the 4th metal segments are integrally formed.
Further, first metal segments are identical as the structure of the second metal segments, the first metal segments and the second metal segments
Vertical height is 3.5mm-4.5mm, and the horizontal width of the first metal segments and the second metal segments is 7.1mm-8.1mm.
Further, the width of the third metal segments and the 4th metal segments is all the same.
Further, the length difference between the third metal segments and the 4th metal segments is 30.2mm-31.2mm.
Further, the fifth metal section is linearly；The third metal segments include connect with the first metal segments and
With fifth metal section be located at same level first segment, with first segment second segment connected vertically, vertical with second segment connect
Third section and vertical with third section connect and 4th section disposed in parallel with second segment.
Further, the first segment, second segment, third section and the 4th section are linearly and of same size.
Further, the third section include with second segment third first segment connected vertically, with the 4th section it is connected vertically
Third third section and the third second segment being connected between third first segment and third third section, wherein third first segment,
Three third sections, first segment, second segment and the 4th section are linear and of same size, and third second segment is also linearly, and the three the
Two sections of width is less than the width of third first segment or third third section.
Further, the third section include with second segment third first segment connected vertically, with the 4th section it is connected vertically
Third third section and the third second segment being connected between third first segment and third third section, wherein third first segment,
Three third sections, first segment, second segment and the 4th section are linear and of same size；The third second segment includes and the three the first
Section the first vertical section connected vertically, with third third section third vertical section connected vertically and connect the first vertical section and the
Second horizontal segment of three vertical sections.
The present invention is all made of sunk type design by third metal segments and the 4th metal segments, so that the width of metal segments can be with
It is designed very narrow, to reduce the coupling between different metal section, improves the radio signal transmission efficiency of metal segments；Together
When, since sinking, third and the 4th metal segments are all farther away from the radiating element on upper layer, reduce power divider and adjacent spoke
Coupling between emitter, reduces ghost effect, improves radiation efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sunk type phase shift power splitter first embodiment of the present invention；
Fig. 2 is the side block diagram of sunk type phase shift power splitter shown in Fig. 1
Fig. 3 is the structural schematic diagram of sunk type phase shift power splitter second embodiment of the present invention；
Fig. 4 is the structural schematic diagram of sunk type phase shift power splitter 3rd embodiment of the present invention；
Fig. 5 is the simulation result diagram of Fig. 1, Fig. 2 and Fig. 3.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
The present invention provides a kind of sunk type phase shift power splitters, are as depicted in figs. 1 and 2 sunk type phase shift power splitter first
The structural schematic diagram of embodiment, sunk type phase shift power splitter include: coaxial feed 1, are arranged in parallel and vertically disposed
It is first metal segments 2 and the second metal segments 3, the first radiator 7 being connect with 2 side of the first metal segments, another with the first metal segments 2
The third metal segments 4 of side connection, the second radiator 8 connecting with 3 side of the second metal segments connect with 2 other side of the second metal segments
It connects and the 4th metal segments 5 that are connect with third metal segments 4 and the metal positioned at 5 lower section of third metal segments 4 and the 4th metal segments
Plate 6.Wherein, third metal segments 4 and the 4th metal segments 5 using sunk type design (i.e. third metal segments 4 and the 4th metal segments 5 with
First metal segments 2 and the second metal segments 3 are not located in the same horizontal plane), the first metal segments 2, the second metal segments 3, third metal
Section 4 and the 4th metal segments 5 are integrally formed；Coaxial feed 1 is connect after passing through metal plate 6 with the 4th metal segments 5, the 4th metal
Section 5 is equipped with through hole 51, and coaxial feed 1 is connect after passing through metal plate 6 with the through hole 51 of the 4th metal segments 5.
Wherein the first metal segments 2 are identical as the structure of the second metal segments 3, and the first metal segments 2 are vertical with the second metal segments 3
Height is 3.5mm-4.5mm (preferably 4mm), and the horizontal width of the first metal segments 2 and the second metal segments 3 is 7.1mm-
8.1mm (preferably 7.6mm).
The width of third metal segments 4 and the 4th metal segments 5 is 1.5mm-1.9mm (preferably 1.7mm), third metal segments
4 and the 4th the special medical treatment impedances of metal segments 5 be 100 ohm so that its can be 50 ohm with characteristic impedance coaxial feed
Electricity 1 is connected directly.
Fifth metal section 5 is linearly, third metal segments 4 include connect with the first metal segments 2 and with fifth metal section 5
Positioned at same level first segment 41, with the second segment 42 connected vertically of first segment 41, with second segment 42 connected vertically the
It three section 43 and vertical with third section 43 connect and 4th section 44 disposed in parallel with second segment 42, wherein first segment 41, second
Section 42, third section 43 and the 4th section 44 are linearly and of same size.
Wherein, the length difference between third metal segments 4 and the 4th metal segments 5 be 30.2mm-31.2mm (preferably
30.7mm), in this example for providing 180 degree phase difference.
In the present embodiment, the length of fifth metal section 5 is identical as the length of first segment 41 of third metal segments 4, and second
The sum of length, the length of third section 43 and the 4th section 44 length of section 42 are 30.2mm-31.2mm (preferably 30.7mm).
4th metal segments 5 of the invention are separately connected coaxial feed 1 and third metal segments 4, realize coaxial feed 1
It is connect with third metal segments 4 and the 4th metal segments 5, to realize the function of feed and power distribution simultaneously；Third metal segments 4
With the not equal offset for realizing phase of 5 length of the 4th metal segments；The present invention is suitable for having close dimensional limit between radiating element
System, tradition phase-shifting power splitter can introduce strong coupling between radiating element, thus the occasion that can not be designed, be arranged.
Fig. 3 is the structural schematic diagram of sunk type phase shift power splitter second embodiment, and the difference with above-mentioned first embodiment is:
The structure of the third section 93 of second embodiment and the third section 43 of first embodiment are different.
Third metal segments 9 connect with the first metal segments 2 and are located at the first of same level with fifth metal section 5
Section 91, with the second segment 92 connected vertically of first segment 91, with the third section 93 connected vertically of second segment 92 and with third section 93
It is vertical to connect and 4th section 94 disposed in parallel with second segment 92, wherein first segment 91, second segment 92 and the 4th section 94 are in straight
Linear and of same size (width is 1.5mm-1.9mm (preferably 1.7mm)).
Third section 93 include with the third first segment 931 connected vertically of second segment 92, with the 4th section 94 connected vertically the
Three third sections 933 and the third second segment 932 being connected between third first segment 931 and third third section 933, wherein the
Three first segments 931, third third section 933, first segment 91, second segment 92 and the 4th section of 94 linear and of same size, third
Second segment 932 is also linearly, and the width of third second segment 932 is less than the width of third first segment 931 or third third section 933
Degree, the width of third second segment 932 is that 0.5mm-0.9mm (is finally 0.7mm).
Since the width of third second segment 932 is significantly less than the other parts of third section 93, third second segment 932 is for mentioning
For one section of high impedance line, so that the function of third second segment 932 divides phase shifter to have better impedance matching performance.
Fig. 4 is the structural schematic diagram of sunk type phase shift power splitter fourth embodiment, and the difference with above-mentioned second embodiment is:
The structure of the third second segment 1032 of 3rd embodiment and the third second segment 932 of second embodiment are different.
Third metal segments 10 connect with the first metal segments 2 and are located at the of same level with fifth metal section 5
One section 101, with the second segment 102 connected vertically of first segment 101, with the third section 103 connected vertically of second segment 102 and with the
Three section of 103 vertical connection and 4th section 104 disposed in parallel with second segment 102, wherein first segment 101, second segment 102 and the
Four section 104 linearly and of same size (width is 1.5mm-1.9mm (preferably 1.7mm)).
Third section 103 include with the third first segment 1031 connected vertically of second segment 102, vertical with the 4th section 104 connect
Third third section 1033 and the third second segment 1032 that is connected between third first segment 1031 and third third section 1033,
Wherein, third first segment 1031, third third section 1033, first segment 101, second segment 102 and the 4th section 104 are linearly and wide
It spends identical.
Third second segment 1032 is in U-shaped, and third second segment 1032 includes and third first segment 1031 connected vertically first
Vertical section, with the third vertical section connected vertically of third third section 1033 and connect the of the first vertical section and third vertical section
Two horizontal segments, wherein the height of the first vertical section and third vertical section is 3.5mm-4.5mm (preferably 4mm).
Third second segment 1032 is higher than the other parts 3.5mm-4.5mm (preferably 4mm) of third section 103, thus mentioning
While for high impedance line, the width of line is not reduced, so that total is able to bear bigger acceleration and stress, enhancing
Reliability is improved while energy.
It is to be appreciated that above-mentioned each dimensional parameters are a kind of optimal setting in the present embodiment, cannot function as
The reasons why limiting the scope of the invention, which can optimize configuration according to the actual situation.
Fig. 5 be in first embodiment, second embodiment and 3rd embodiment | S11 | the simulation result of performance, show with
Upper example can work in certain bin width that centre frequency is 4.9GHz.Wherein second embodiment and 3rd embodiment
| S11 | < -10dB bandwidth is superior to the first example.
The present invention is all made of sunk type design by third metal segments and the 4th metal segments, so that the width of metal segments can be with
Be designed very narrow, the present invention is referred to as the sunk type phase shift power splitter for small space, reduce different metal section it
Between coupling, improve the radio signal transmission efficiency of metal segments；Simultaneously as sinking, third and the 4th metal segments are all more
Radiating element far from upper layer, reduces the coupling between power divider and adjacent emitter, reduces ghost effect, is promoted
Radiation efficiency.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of sunk type phase shift power splitter, characterized in that it comprises: coaxial feed is arranged in parallel and vertically sets
It is the first metal segments and the second metal segments set, the first radiator being connect with the first metal segments side, another with the first metal segments
The third metal segments of side connection, the second radiator being connect with the second metal segments side, connect with the second metal segments other side and
The 4th metal segments being connect with third metal segments and the metal plate below third metal segments and the 4th metal segments；Wherein institute
Coaxial feed is stated to connect after metal plate with the 4th metal segments.
2. sunk type phase shift power splitter according to claim 1, it is characterised in that: the 4th metal segments, which are equipped with, to be run through
Hole, coaxial feed are connect after passing through metal plate with the through hole of the 4th metal segments.
3. sunk type phase shift power splitter according to claim 1, it is characterised in that: first metal segments, the second metal
Section, third metal segments and the 4th metal segments are integrally formed.
4. sunk type phase shift power splitter according to claim 1, it is characterised in that: first metal segments and the second metal
The structure of section is identical, and the vertical height of the first metal segments and the second metal segments is 3.5mm-4.5mm, the first metal segments and second
The horizontal width of metal segments is 7.1mm-8.1mm.
5. sunk type phase shift power splitter according to claim 1, it is characterised in that: the third metal segments and the 4th metal
The width of section is all the same.
6. sunk type phase shift power splitter according to claim 1, it is characterised in that: the third metal segments and the 4th metal
Length difference between section is 30.2mm-31.2mm.
7. sunk type phase shift power splitter according to claim 1, it is characterised in that: the fifth metal section is linearly；
The third metal segments connect with the first metal segments and are located at the first segment of same level, with the with fifth metal section
One section of second segment connected vertically, with second segment third section connected vertically and it is vertical with third section connect and with second segment it is flat
The 4th section of row setting.
8. sunk type phase shift power splitter according to claim 7, it is characterised in that: the first segment, second segment, third section
It is linearly and of same size with the 4th section.
9. sunk type phase shift power splitter according to claim 7, it is characterised in that: the third section includes hanging down with second segment
The direct-connected third first segment connect, with the 4th section of third third section connected vertically and be connected to third first segment and third third
Section between third second segment, wherein third first segment, third third section, first segment, second segment and the 4th section linearly and
Of same size, third second segment is also linearly, and the width of third second segment is less than the width of third first segment or third third section
Degree.
10. sunk type phase shift power splitter according to claim 7, it is characterised in that: the third section includes and second segment
Third first segment connected vertically, with the 4th section of third third section connected vertically and be connected to third first segment and the three the
Third second segment between three sections, wherein third first segment, third third section, first segment, second segment and the 4th section are linearly
And it is of same size；The third second segment includes hanging down with third first segment the first vertical section connected vertically, with third third section
The direct-connected third vertical section connect and the second horizontal segment for connecting the first vertical section and third vertical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179864.7A CN109888492B (en) | 2019-03-11 | 2019-03-11 | Sinking type phase-shifting power divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910179864.7A CN109888492B (en) | 2019-03-11 | 2019-03-11 | Sinking type phase-shifting power divider |
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| Publication Number | Publication Date |
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| CN109888492A true CN109888492A (en) | 2019-06-14 |
| CN109888492B CN109888492B (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910179864.7A Active CN109888492B (en) | 2019-03-11 | 2019-03-11 | Sinking type phase-shifting power divider |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120086604A1 (en) * | 2006-10-02 | 2012-04-12 | Xiao Ping Yang | Compact Multi-Element Antenna With Phase Shift |
| CN203481393U (en) * | 2013-09-12 | 2014-03-12 | 深圳光启创新技术有限公司 | Inner core antenna |
| CN104335420A (en) * | 2014-04-22 | 2015-02-04 | 华为终端有限公司 | Antenna system and terminal |
| CN204834862U (en) * | 2015-08-20 | 2015-12-02 | 深圳通诚无限科技有限公司 | 2. 4G high -gain wifi covers antenna |
| CN207398344U (en) * | 2017-10-10 | 2018-05-22 | 深圳市博纬智能识别科技有限公司 | A kind of new high-gain narrow beam circular polarized antenna |
-
2019
- 2019-03-11 CN CN201910179864.7A patent/CN109888492B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120086604A1 (en) * | 2006-10-02 | 2012-04-12 | Xiao Ping Yang | Compact Multi-Element Antenna With Phase Shift |
| CN203481393U (en) * | 2013-09-12 | 2014-03-12 | 深圳光启创新技术有限公司 | Inner core antenna |
| CN104335420A (en) * | 2014-04-22 | 2015-02-04 | 华为终端有限公司 | Antenna system and terminal |
| CN204834862U (en) * | 2015-08-20 | 2015-12-02 | 深圳通诚无限科技有限公司 | 2. 4G high -gain wifi covers antenna |
| CN207398344U (en) * | 2017-10-10 | 2018-05-22 | 深圳市博纬智能识别科技有限公司 | A kind of new high-gain narrow beam circular polarized antenna |
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| Publication number | Publication date |
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| CN109888492B (en) | 2020-03-27 |
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Effective date of registration: 20230531 Address after: Room a-7518, building 3, 20 Yong'an Road, Shilong Economic Development Zone, Mentougou District, Beijing 102300 Patentee after: Zhongan Ruida (Beijing) Electronic Technology Co.,Ltd. Address before: 210094 No. 200 Xiaolingwei street, Xuanwu District, Jiangsu, Nanjing Patentee before: NANJING University OF SCIENCE AND TECHNOLOGY |