CN103296339B - A kind of phase shifter and antenna for base station - Google Patents
A kind of phase shifter and antenna for base station Download PDFInfo
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- CN103296339B CN103296339B CN201310201807.7A CN201310201807A CN103296339B CN 103296339 B CN103296339 B CN 103296339B CN 201310201807 A CN201310201807 A CN 201310201807A CN 103296339 B CN103296339 B CN 103296339B
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Abstract
The invention discloses a kind of phase shifter and antenna for base station, wherein phase shifter comprises transfer strip line, can relatively described transfer strip line slide with the dielectric-slab of the overlapping area between adjustment with transfer strip line, Supporting Media body, described dielectric-slab comprises to be fixed and the first medium substrate be parallel to each other and second medium substrate relatively, it is peripheral that described transfer strip line is helically wound around described Supporting Media body, and between described first medium substrate and second medium substrate, along the glide direction of described dielectric-slab, transfer strip line first medium substrate towards transfer strip line one side projection of shape be planar waveform.Above-mentioned phase shifter, when dielectric-slab slides a unit distance relative to transfer strip line, between dielectric-slab and transfer strip line, the variable quantity of overlapping area is larger.Therefore, phase shifter provided by the invention can be beneficial to the layout of antenna complete machine when having larger amount of phase shift.
Description
Technical field
The present invention relates to mobile communication technology field, particularly a kind of phase shifter and antenna for base station.
Background technology
The downwards bevel beam that antenna for base station realizes antenna for base station by phase shifter regulates, and has that angle of declination adjustable extent is large, precision is high, Pattern control is good, antijamming capability is strong, be easy to the advantages such as control.
Phase shifter is a necessary assembly of antenna for base station, and this device realizes by the relative phase changed between antenna element the tilt angled down regulating antenna beam, thus facilitates the optimization of communication network.
At present, the phase shifter of industry mainly contains two types: the first is by regulating the medium length covered on electromagnetic wave transmission path to realize phase shift object; The second realizes phase shift object by changing electromagnetic path-length.
Wherein, the phase shifter of the first type comprises transfer strip line and dielectric-slab, the overlapping area between dielectric-slab and transfer strip line is regulated by the relative position between adjustment dielectric-slab and transfer strip line, and then adjustment dielectric-slab covers the medium length in transfer strip line, but, the transfer strip line adopted in current phase shifter is linear transmission band line, the amount of phase shift of phase shifter in unit length that linear transmission band line is designed to is less, want to obtain the length dimension that larger amount of phase shift needs to increase phase shifter, be unfavorable for the layout of complete machine.
Summary of the invention
The invention provides a kind of phase shifter and antenna for base station, this phase shifter can be beneficial to the layout of antenna complete machine when having larger amount of phase shift.
First aspect, a kind of phase shifter is provided, comprise transfer strip line, can relatively described transfer strip line slide with the dielectric-slab of the overlapping area between adjustment with transfer strip line, Supporting Media body, described dielectric-slab comprises to be fixed and the first medium substrate be parallel to each other and second medium substrate relatively, it is peripheral that described transfer strip line is helically wound around described Supporting Media body, and between described first medium substrate and second medium substrate, along the glide direction of described dielectric-slab, described transfer strip line described first medium substrate towards described transfer strip line one side projection of shape be planar waveform.
In conjunction with first aspect, in the implementation that the first is possible, above-mentioned phase shifter also comprises Supporting Media plate between described first medium substrate and second medium substrate and parallel with second medium substrate with described first medium substrate, and described Supporting Media body is formed on described Supporting Media plate.
In conjunction with the first possible implementation above-mentioned, in the implementation that the second is possible, described Supporting Media plate has two rows walk abreast arrange via hole, described Supporting Media plate two row described via hole between parts form described Supporting Media body; Described transfer strip line is helically wound around described dielectric support body by the described via hole of two rows.
In conjunction with the implementation that above-mentioned the second is possible, in the implementation that the third is possible, described transfer strip line comprises and is positioned at multiple first guide cards of described Supporting Media plate towards first medium substrate side, and is positioned at multiple second guide cards of described Supporting Media plate towards second medium substrate side; Along the bearing of trend of described transfer strip line, described first guide card and the second guide card spaced apart, and between the first often adjacent guide card and the second guide card, there is overlapping position, and the first guide card and the second guide card are electrically connected by the via hole at described overlapping position.
In conjunction with the third possible implementation above-mentioned, in the 4th kind of possible implementation, fill metallic conductor in the via hole at the first often adjacent guide card and the overlapping position of the second guide card, described first guide card is electrically connected by described metallic conductor with described second guide card.
In conjunction with the third possible implementation above-mentioned, in the 5th kind of possible implementation, described in each, the first guide card is straight line guide card, and the second guide card described in each is straight line guide card; The first often adjacent guide card and the second guide card have predetermined angle between the projection of described first medium substrate towards described transfer strip line one side.
In conjunction with above-mentioned 5th kind of possible implementation, in the 6th kind of possible implementation, multiple described first guide card be arranged in parallel, and multiple described second guide card be arranged in parallel, and the first often adjacent guide card is identical with the predetermined angle between the second guide card.
In conjunction with above-mentioned 6th kind of possible implementation, in the 7th kind of possible implementation, in 45 degree of angles between the bearing of trend of the first guide card described in each and the glide direction of described dielectric-slab, described predetermined angle is 90 degree.
In conjunction with the implementation that above-mentioned the second is possible, in the 8th kind of possible implementation, described first medium substrate towards the one side of described first guide card and described first guide card towards the one side of described first medium substrate between distance be less than 0.2mm; Described second medium substrate towards the one side of described second guide card and described second guide card towards the one side of described second medium substrate between distance be less than 0.2mm.
In conjunction with the first possible implementation above-mentioned, in the 9th kind of possible implementation, described Supporting Media plate is printing board PCB plate.
In conjunction with above-mentioned first aspect, in the tenth kind of possible implementation, described transfer strip line has helix structure, and described Supporting Media body is support bar, and it is peripheral that described transfer strip line is wound in described support bar.
In conjunction with above-mentioned first aspect, in the 11 kind of possible implementation, above-mentioned phase shifter also comprises:
The signal input port be connected with described transfer strip line one end signal;
The signal output port be connected with described transfer strip line other end signal.
In conjunction with above-mentioned 11 kind of possible implementation, in the 12 kind of possible implementation, above-mentioned phase shifter also comprises:
The straight line conduction band that one end is electrically connected with described signal input port, the other end is electrically connected with described transfer strip line.
In conjunction with above-mentioned first aspect, in the 13 kind of possible implementation, described transfer strip line has longitudinally perpendicular to the serpentine configuration of the glide direction of described dielectric-slab.
In conjunction with first aspect and the first possible implementation to the 13 kind of possible implementation, in the 14 kind of possible implementation, above-mentioned phase shifter also comprises: the inner metal shell forming metal chamber, it is indoor that described dielectric-slab, transfer strip line are positioned at described wire chamber.
Second aspect, provides a kind of antenna for base station, and this antenna for base station comprises any one phase shifter provided in first aspect and various possible implementation thereof.
The antenna for base station that the phase shifter provided according to first aspect and second aspect provide, in above-mentioned phase shifter, because it is peripheral that transfer strip line is helically wound around Supporting Media body, and along the glide direction of dielectric-slab relative to transfer strip line, transfer strip line first medium substrate towards transfer strip line one side projection of shape be planar waveform, therefore, when dielectric-slab slides a unit distance relative to transfer strip line, between dielectric-slab and transfer strip line, the variable quantity of overlapping area is larger, therefore, phase shifter provided by the invention can be beneficial to the layout of antenna complete machine when having larger amount of phase shift.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of phase shifter provided by the invention;
The fragmentary bottom structural representation that Fig. 2 is the intermediary's scutum of phase shifter structure shown in Fig. 1 and transfer strip line;
Fig. 3 is the theory structure schematic diagram when Supporting Media bodily form is formed in Supporting Media plate in phase shifter provided by the invention;
Fig. 4 is structural representation when transfer strip line is arranged at Supporting Media plate in phase shifter provided by the invention;
Fig. 5 is the distributed architecture schematic diagram of the first guide card in the structure of transfer strip line shown in Fig. 4;
Fig. 6 is the distributed architecture schematic diagram of the second guide card in the structure of transfer strip line shown in Fig. 4;
Fig. 7 is a kind of partial enlarged drawing of region B in the structure of transfer strip line shown in Fig. 4;
Fig. 8 is partial enlarged drawing when first guide card and the second guide card are arcuate structure in transfer strip line structure provided by the invention;
Fig. 9 is the another kind of structural representation of transfer strip line in phase shifter provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, phase shifter provided by the invention, comprise transfer strip line 21, the dielectric-slab 30 regulating overlapping area between transfer strip line 21 can be slided by relative transport band line 21, Supporting Media body 40, please refer to Fig. 2, dielectric-slab 30 comprises to be fixed and the first medium substrate 31 be parallel to each other and second medium substrate 32 relatively, it is peripheral that transfer strip line 21 is helically wound around Supporting Media body 40, and between first medium substrate 31 and second medium substrate 32, dielectric-slab 30 is relative to the glide direction direction a as shown in fig. 1 of transfer strip line 21, along the glide direction a of dielectric-slab 30, transfer strip line 21 first medium substrate 31 towards transfer strip line 21 one side projection of shape be planar waveform, as sine wave, triangular wave, the shapes such as square wave, here repeat no more.
In above-mentioned phase shifter, because it is peripheral that transfer strip line 21 is helically wound around Supporting Media body 40, namely transfer strip line 21 forms solid space structure, transfer strip line 21 is between the first medium substrate 31 and second medium substrate 32 of dielectric-slab 30, and then dielectric-slab 30 can be covered by the two sides of first medium substrate 31 and second medium substrate 32 pairs of transfer strip line 21, and along the glide direction of dielectric-slab 30 relative to transfer strip line 21, transfer strip line 21 first medium substrate 31 towards transfer strip line 21 one side projection of shape be planar waveform, therefore, when dielectric-slab 30 slides a unit distance relative to transfer strip line 21, between dielectric-slab 30 and transfer strip line 21, the variable quantity of overlapping area is larger, the amount of phase shift of phase shifter is larger, meanwhile, when signal transmits a unit distance along the glide direction of dielectric-slab 30 in transport tape 21, the path of signal process in above-mentioned transfer strip line is greater than the path of process when signal transmits in linear transmission band line.
Therefore, phase shifter provided by the invention can be beneficial to the layout of antenna complete machine when having larger amount of phase shift.
Please continue to refer to Fig. 1, in the optional execution mode of one, for ease of realizing transfer strip line 21 relative to the unsettled installation between first medium substrate 31 and second medium substrate 32, above-mentioned phase shifter also comprises Supporting Media plate 4 between first medium substrate 31 and second medium substrate 32 and parallel with second medium substrate 32 with first medium substrate 31, and above-mentioned Supporting Media body 40 is formed on Supporting Media plate 4.Supporting Media plate 4 has certain support strength, and then can realize transfer strip line 21 easily relative to the unsettled installation between first medium substrate 31 and second medium substrate 32.
Please refer to Fig. 3, on the basis of above-mentioned Alternate embodiments, in a kind of Alternate embodiments, above-mentioned Supporting Media plate 4 has two rows walk abreast arrange via hole 50, Supporting Media plate 4 forms above-mentioned Supporting Media body 40 in two parts be drained through between hole 50; Please refer to Fig. 4, above-mentioned transfer strip line 21 is drained through hole 50 by two and is helically wound around on Supporting Media body 40.
Further, incorporated by reference to Fig. 2 and Fig. 4, with reference to figure 5, Fig. 6 and Fig. 7, in a kind of Alternate embodiments, transfer strip line 21 comprises and is positioned at multiple first guide cards 211 of Supporting Media plate 4 towards first medium substrate 31 side, as shown in Figure 5; Transfer strip line 21 also comprises and is positioned at multiple second guide cards 212 of Supporting Media plate 4 towards second medium substrate 32 side, as shown in Figure 6; As shown in Figure 4, along the bearing of trend of transfer strip line 21, the first guide card 211 and the second guide card 212 spaced apart; As shown in Figure 7, between the first often adjacent guide card 211 and the second guide card 212, there is overlapping position A, and the first guide card 211 and the second guide card 212 are electrically connected by the via hole 50 of overlapping position A.
In a kind of Alternate embodiments, fill metallic conductor in the via hole 50 that can arrange at the overlapping position A of the first often adjacent guide card 211 and the second guide card 212, the first guide card 211 is electrically connected by metallic conductor with the second guide card 212.
In a kind of Alternate embodiments, in the first guide card 211 provided in above-mentioned execution mode and the second guide card 212, each first guide card 211 can be rectilinear straight line guide card, second guide card 212 described in each is also rectilinear straight line guide card, and the first often adjacent guide card 211 and the second guide card 212 have predetermined angle between the projection of first medium substrate 31 towards described transfer strip line 21 one side.
Alternatively, above-mentioned multiple first guide card 211 be arranged in parallel, and above-mentioned multiple second guide card 212 be arranged in parallel, and the predetermined angle between the bearing of trend of the first often adjacent guide card 211 and the bearing of trend of the second guide card 212 is identical.
Alternatively, in 45 degree of angles between the bearing of trend of each the first guide card 211 and the glide direction of dielectric-slab 30, the predetermined angle between the first adjacent guide card 211 and the second guide card 212 is 90 degree.
Certainly, the first guide card 211 and the second guide card 212 can also be other combining structures, and if the first guide card 211 is straight line guide card, the second guide card 212 is arc guide card; Or please refer to Fig. 8, the first guide card 211 is arc guide card, meanwhile, the second guide card 212 is also arc guide card; Or the first guide card 211 is waveform blade, the second guide card 212 is straight line guide card; The combining structure of the first guide card 211 and the second guide card 212 can also have a lot of selection mode, and be not limited to be arranged in parallel between multiple first guide cards 211 that transfer strip line 21 comprises, in like manner, also be not limited to be arranged in parallel between multiple second guide cards 212 that transfer strip line 21 comprises, as long as the glide direction along dielectric-slab 30 can be realized, transfer strip line 21 first medium substrate 31 towards transfer strip line 21 one side projection of shape be planar waveform, repeat no longer one by one here.
On the basis of above-mentioned execution mode, in a kind of Alternate embodiments, above-mentioned first medium substrate 31 towards the one side of the first guide card 211 and the first guide card 211 towards the one side of first medium substrate 31 between distance be less than 0.2mm; And above-mentioned second medium substrate 32 towards the one side of the second guide card 212 and the second guide card 212 towards the one side of second medium substrate 32 between distance be less than 0.2mm.
On the basis of above-mentioned execution mode, above-mentioned Supporting Media plate 40 is pcb board.Preparation technology's comparative maturity of pcb board, is convenient to the setting realizing transfer strip line 21.
Please refer to Fig. 9, above-mentioned transfer strip line 21 can have helix structure, and above-mentioned Supporting Media body 40 is support bar, and transfer strip line 21 is wound in support bar periphery.
Please continue to refer to Fig. 1, above-mentioned phase shifter also comprises the signal input port 61 be connected with transfer strip line 21 1 end signal, and the signal output port 62 be connected with transfer strip line 21 other end signal.Signal inputs transfer strip line 21 by signal input port 61, exports phase shifter after phase shift by signal output port 62.
Please continue to refer to Fig. 1, particularly, for ease of wiring, above-mentioned phase shifter also comprises the straight line conduction band 22 that one end is electrically connected with signal input port 61, the other end is electrically connected with transfer strip line 21 one end.
Straight line conduction band 22 cabling processes is simple, and the impact of connecting up on transfer strip line 21 is less.
In like manner, above-mentioned phase shifter can also comprise the straight line conduction band that one end is electrically connected with signal output port 62, the other end is electrically connected with transfer strip line 21 other end.
Please continue to refer to Fig. 1, in a kind of embodiment, the variable quantity of overlapping area when to slide unit distance between dielectric-slab 30 and transfer strip line 21 to improve further between dielectric-slab 30 and transfer strip line 21, transfer strip line 21 has longitudinally perpendicular to the serpentine configuration of dielectric-slab 30 glide direction a.
On the basis of upper each execution mode, above-mentioned phase shifter also comprises the inner metal shell 10 forming metal chamber, and dielectric-slab 30, transfer strip line 21 are positioned at wire chamber indoor.Metal shell 10 is convenient to the grounding function realizing phase shifter.
Present invention also offers a kind of antenna for base station, this antenna for base station comprises any one phase shifter provided in above-mentioned embodiment and preferred implementation.The integral layout of this antenna for base station is better.
Obviously, those skilled in the art can carry out various change and modification to the embodiment of the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (16)
1. a phase shifter, it is characterized in that, comprise transfer strip line, can relatively described transfer strip line slide with the dielectric-slab of the overlapping area between adjustment with transfer strip line, Supporting Media body, described dielectric-slab comprises to be fixed and the first medium substrate be parallel to each other and second medium substrate relatively, it is peripheral that described transfer strip line is helically wound around described Supporting Media body, and between described first medium substrate and second medium substrate, along the glide direction of described dielectric-slab, described transfer strip line described first medium substrate towards described transfer strip line one side projection of shape be planar waveform.
2. phase shifter according to claim 1, it is characterized in that, also comprise Supporting Media plate between described first medium substrate and second medium substrate and parallel with second medium substrate with described first medium substrate, described Supporting Media body is formed on described Supporting Media plate.
3. phase shifter according to claim 2, is characterized in that, described Supporting Media plate has two rows walk abreast arrange via hole, described Supporting Media plate two row described via hole between parts form described Supporting Media body; Described transfer strip line is helically wound around described dielectric support body by the described via hole of two rows.
4. phase shifter according to claim 3, it is characterized in that, described transfer strip line comprises and is positioned at multiple first guide cards of described Supporting Media plate towards first medium substrate side, and is positioned at multiple second guide cards of described Supporting Media plate towards second medium substrate side; Along the bearing of trend of described transfer strip line, described first guide card and the second guide card spaced apart, and between the first often adjacent guide card and the second guide card, there is overlapping position, and the first guide card and the second guide card are electrically connected by the via hole at described overlapping position.
5. phase shifter according to claim 4, is characterized in that, fills metallic conductor in the via hole at the first often adjacent guide card and the overlapping position of the second guide card, and described first guide card is electrically connected by described metallic conductor with described second guide card.
6. phase shifter according to claim 4, is characterized in that, described in each, the first guide card is straight line guide card, and the second guide card described in each is straight line guide card; The first often adjacent guide card and the second guide card have predetermined angle between the projection of described first medium substrate towards described transfer strip line one side.
7. phase shifter according to claim 6, is characterized in that, multiple described first guide card be arranged in parallel, and multiple described second guide card be arranged in parallel, and the first often adjacent guide card is identical with the predetermined angle between the second guide card.
8. phase shifter according to claim 7, is characterized in that, in 45 degree of angles between the bearing of trend of the first guide card described in each and the glide direction of described dielectric-slab, described predetermined angle is 90 degree.
9. phase shifter according to claim 4, is characterized in that, described first medium substrate towards the one side of described first guide card and described first guide card towards the one side of described first medium substrate between distance be less than 0.2mm; Described second medium substrate towards the one side of described second guide card and described second guide card towards the one side of described second medium substrate between distance be less than 0.2mm.
10. phase shifter according to claim 2, is characterized in that, described Supporting Media plate is printing board PCB plate.
11. phase shifters according to claim 1, is characterized in that, described transfer strip line has helix structure, and described Supporting Media body is support bar, and it is peripheral that described transfer strip line is wound in described support bar.
12. phase shifters according to claim 1, is characterized in that, also comprise:
The signal input port be connected with described transfer strip line one end signal;
The signal output port be connected with described transfer strip line other end signal.
13. phase shifters according to claim 12, is characterized in that, also comprise:
The straight line conduction band that one end is electrically connected with described signal input port, the other end is electrically connected with described transfer strip line one end.
14. phase shifters according to claim 1, is characterized in that, described transfer strip line has longitudinally perpendicular to the serpentine configuration of the glide direction of described dielectric-slab.
15. phase shifters according to any one of claim 1 ~ 14, is characterized in that, also comprise: the inner metal shell forming metal chamber, it is indoor that described dielectric-slab, transfer strip line are positioned at described wire chamber.
16. 1 kinds of antenna for base station, is characterized in that, comprise the phase shifter as described in any one of claim 1 ~ 15.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483368.2A CN105098359B (en) | 2013-05-27 | 2013-05-27 | A kind of phase shifter and antenna for base station |
| CN201310201807.7A CN103296339B (en) | 2013-05-27 | 2013-05-27 | A kind of phase shifter and antenna for base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310201807.7A CN103296339B (en) | 2013-05-27 | 2013-05-27 | A kind of phase shifter and antenna for base station |
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| CN201510483368.2A Division CN105098359B (en) | 2013-05-27 | 2013-05-27 | A kind of phase shifter and antenna for base station |
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| CN103296339B true CN103296339B (en) | 2015-09-09 |
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| CN201310201807.7A Active CN103296339B (en) | 2013-05-27 | 2013-05-27 | A kind of phase shifter and antenna for base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105098359B (en) * | 2013-05-27 | 2018-03-06 | 华为技术有限公司 | A kind of phase shifter and antenna for base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107331968B (en) * | 2016-04-28 | 2024-01-26 | 普罗斯通信技术（苏州）有限公司 | Device and method for controlling switching of antenna signal frequency bands |
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| CN201655965U (en) * | 2010-02-01 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Electric tiled antenna phase-shift structure |
| CN201918476U (en) * | 2010-04-02 | 2011-08-03 | 西安海天天线科技股份有限公司 | Phase shifter used for electrically-controlled antenna of base station |
| CN102570033A (en) * | 2011-11-16 | 2012-07-11 | 广州杰赛科技股份有限公司 | Electricity adjusting antenna feed module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6384787B1 (en) * | 2001-02-21 | 2002-05-07 | The Boeing Company | Flat reflectarray antenna |
| CN105098359B (en) * | 2013-05-27 | 2018-03-06 | 华为技术有限公司 | A kind of phase shifter and antenna for base station |
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2013
- 2013-05-27 CN CN201510483368.2A patent/CN105098359B/en active Active
- 2013-05-27 CN CN201310201807.7A patent/CN103296339B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201655965U (en) * | 2010-02-01 | 2010-11-24 | 摩比天线技术（深圳）有限公司 | Electric tiled antenna phase-shift structure |
| CN201918476U (en) * | 2010-04-02 | 2011-08-03 | 西安海天天线科技股份有限公司 | Phase shifter used for electrically-controlled antenna of base station |
| CN102570033A (en) * | 2011-11-16 | 2012-07-11 | 广州杰赛科技股份有限公司 | Electricity adjusting antenna feed module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098359B (en) * | 2013-05-27 | 2018-03-06 | 华为技术有限公司 | A kind of phase shifter and antenna for base station |
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| CN105098359B (en) | 2018-03-06 |
| CN103296339A (en) | 2013-09-11 |
| CN105098359A (en) | 2015-11-25 |
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