CN106129544A - A kind of low-loss broadband dielectric phase shifter - Google Patents
A kind of low-loss broadband dielectric phase shifter Download PDFInfo
- Publication number
- CN106129544A CN106129544A CN201610616702.1A CN201610616702A CN106129544A CN 106129544 A CN106129544 A CN 106129544A CN 201610616702 A CN201610616702 A CN 201610616702A CN 106129544 A CN106129544 A CN 106129544A
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- Prior art keywords
- phase
- medium
- network
- chute
- phase shift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The present invention relates to a kind of low-loss broadband dielectric phase shifter, including rectangular-shaped cavity, transmission network and phase shift medium, one end of cavity is provided with feed termination, chute it is provided with in cavity, phase shift medium is slidably disposed in chute, and phase shift medium is provided with at least one transformer section along the axis direction of chute；Phase shift medium includes phase shift medium and moves down phase medium, transmission network is arranged on phase shift medium and moves down between phase medium, upper phase shift medium and the both sides moving down phase medium offer the first gathering sill and the second gathering sill respectively, being provided with the first guiding in the chute of cavity with the first gathering sill and the second gathering sill opposite position convex stupefied and second guide convex stupefied, the first gathering sill and the second gathering sill are convex stupefied with the first guiding respectively and the second convex stupefied formation of guiding is slidably connected.The low-loss broadband dielectric phase shifter of the present invention has bandwidth, and volume is little, is lost low, the advantage of stable performance, and simple in construction, it is easy to batch production, with low cost.
Description
Technical field
The present invention relates to a kind of low-loss broadband dielectric phase shifter, belong to communication antenna technical field.
Background technology
In mobile communication covers, under the angle of declination regulation of antenna can use various ways, mechanical tilt and electricity to adjust
Inclining, recent years, along with terminal use's quantity drastically rises, user distribution presents density and greatly and changes constantly because the time is different
The feature of change, over time difference and the change of the factor such as red-letter day vacation, base station state has a significant change, time and utilize
Rate is low, time and load be fully loaded with.On this basis, electrical tilt antenna is replaced conventional mechanical tilt antenna and is widely used in communication
In base station.Electrical tilt antenna refers to there is one or more phase shifter at inner antenna, and the phase shifter moves up and down and changes feeding network
Length so that there are differences from the signal of input port to each output port, thus change the phase place between adjacent a period of time.
When phase shifter continuous moving, just can realize the continuously adjustabe of wave beam, when wave beam carries out continuous variable in vertical direction, just
Define the electricity regulation and control system of angle of declination.But it is high that the existing phase shifter is typically manufactured cost, and performance is not ideal enough.
In the existing phase shifter, the main purpose using two kinds of means to realize phase shift.The first is by changing the phase shifter
Interior signal is realized by the electrical length in path；Another kind is by the medium in the mobile phase shifter, changes signal in the phase shifter
In propagation rate, the signal that thus can flow through phase shifter output forms continuous print linear phase difference, thus realizes phase shift
Purpose.
Along with advancing by leaps and bounds of mobile communication technology, antenna for base station tends to miniaturization, broadband, multiband.For these
Problem, needs development and manufacturing cost low and high performance innovation phase shifter structure.
Summary of the invention
The technical problem to be solved in the present invention is, not enough for prior art, proposes a kind of bandwidth, and volume is little, loss
Low, stable performance and the good low-loss broadband dielectric phase shifter of electric property.
The present invention solves that the technical scheme that above-mentioned technical problem proposes is: a kind of low-loss broadband dielectric phase shifter,
Including rectangular-shaped cavity, transmission network and phase shift medium, one end of cavity is provided with feed termination, along cavity in cavity
Axis direction is provided with and is suitable to the chute that phase shift medium slides, and phase shift medium can be arranged on cunning along what the axis of cavity slidably reciprocated
In groove, transmission network is arranged in chute, and phase shift medium is provided with at least one transformer section along the axis direction of chute；
Phase shift medium include phase shift medium and move down phase medium, transmission network be arranged on phase shift medium and move down phase medium it
Between, upper phase shift medium and the both sides moving down phase medium offer the first gathering sill and the second gathering sill, in the chute of cavity respectively
With the first gathering sill and the second gathering sill opposite position be provided with the first guiding convex stupefied and second guide convex stupefied, the first gathering sill
And second guiding convex stupefied formation convex stupefied with the first guiding respectively with the second gathering sill is slidably connected.
The improvement of technique scheme is: on cavity, the one end near feed termination offers at least one transmission network even
Connect hole.
The improvement of technique scheme is: phase shift medium offers at least one driving hole away from one end of chute.
The improvement of technique scheme is: phase shift medium includes first successively along the transformer section of chute axis direction
Distribution network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network and phase-shift network thickness
Equal, the second matching network is square opening.
The improvement of technique scheme is: phase shift medium includes first successively along the transformer section of chute axis direction
Distribution network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network, the second matching network
It is respectively H1, H2 and H3, H1 < H2 < H3 with the thickness of phase-shift network.
The improvement of technique scheme is: phase shift medium includes first successively along the transformer section of chute axis direction
Distribution network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network, the second matching network
It is respectively ε 1, ε 2 and ε 3, ε 1 < ε 2 < ε 3 with the dielectric constant of phase-shift network.
The present invention uses technique scheme to provide the benefit that:
(1) the low-loss broadband dielectric phase shifter of the present invention is provided with at least one along the axis direction of chute due to phase shift medium
Individual transformer section, thus it is provided with bandwidth, volume is little, is lost low, the advantage of stable performance, the low-loss wideband of the present invention
With dielectric phase shifter, there is good electric property and simple in construction, it is easy to batch production, with low cost；
(2) the low-loss broadband dielectric phase shifter of the present invention due to the first gathering sill and the second gathering sill respectively with first guide
Convex stupefied and second guide convex stupefied formation moving sets, strictly limit phase shift medium and move down the degree of freedom of phase medium, it is ensured that
Upper phase shift medium and move down phase medium and reciprocatingly slide only along chute direction, it is possible to be prevented effectively from phase shift medium and lower phase shift is situated between
Contacting between matter with transmission network so that the not extra stress of transmission network, it is ensured that the stability of transmission network, and prevent
Upper phase shift medium, move down the abrasion of phase medium and transmission network；
(3) the low-loss broadband dielectric phase shifter of the present invention is owing to offering at least one near the one end feeding termination on cavity
Individual transmission network connecting hole, facilitates connecting and owing in the one end near feed termination, preventing phase shift to be situated between of transmission network
It is to touch connecting portion that matter is slided, and causes connect to loosen, it is ensured that the steady operation of low-loss broadband dielectric phase shifter；
(4) the low-loss broadband dielectric phase shifter of the present invention offers at least one away from one end of chute due to phase shift medium
Driving hole, drives the connection of structure and phase shift medium when facilitating use；
(5) the low-loss broadband dielectric phase shifter of the present invention depends on along the transformer section of chute axis direction due to phase shift medium
Secondary including the first matching network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network and
Phase-shift network thickness is equal, the second matching network is square opening, this phase shift medium effective broadening bandwidth, is lost low, performance
Stable；
(6) the low-loss broadband dielectric phase shifter of the present invention depends on along the transformer section of chute axis direction due to phase shift medium
Secondary including the first matching network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network,
The thickness of the second matching network and phase-shift network is respectively H1, H2 and H3, H1 < H2 < H3, this phase shift medium effective broadening band
Width, is lost low, stable performance；
(7) the low-loss broadband dielectric phase shifter of the present invention depends on along the transformer section of chute axis direction due to phase shift medium
Secondary including the first matching network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network,
The dielectric constant of the second matching network and phase-shift network is respectively ε 1, ε 2 and ε 3, ε 1 < ε 2 < ε 3, this effective broadening of phase shift medium
Bandwidth, is lost low, stable performance.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 is the perspective view of the embodiment of the present invention one low-loss broadband dielectric phase shifter；
Fig. 2 is the side-looking structural representation of the embodiment of the present invention one low-loss broadband dielectric phase shifter；
Fig. 3 is the phase shift dielectric structure schematic diagram of the embodiment of the present invention one low-loss broadband dielectric phase shifter；
Fig. 4 is the phase shift dielectric structure schematic diagram of the embodiment of the present invention two low-loss broadband dielectric phase shifter；
Fig. 5 is the phase shift dielectric structure schematic diagram of the embodiment of the present invention three low-loss broadband dielectric phase shifter；
Wherein: 1-cavity；2-phase shift medium；2a-upper phase shift medium；2b-moves down phase medium；21-the first matching network；22-
Two matching networks；23-phase-shift network；24-the first driving hole；25-the second driving hole；3-feeds termination；4-transmission network；4a-
Transmission network connecting hole；5a-first guides convex stupefied；5b-the first gathering sill；5c-second guides convex stupefied；5d-the second gathering sill.
Detailed description of the invention
Embodiment one
The low-loss broadband dielectric phase shifter of the present embodiment, as Figure 1-3, including rectangular-shaped cavity 1, transmission network
4 and phase shift medium 2, one end of cavity 1 is provided with feed termination 3, and in cavity 1, axis direction along cavity 1 is provided with and is suitable to move
The chute that phase medium 2 slides, phase shift medium 2 can be arranged in chute along what the axis of cavity 1 slidably reciprocated, and transmission network 4 is pacified
Being contained in chute, phase shift medium 2 includes phase shift medium 2a and moves down phase medium 2b, and transmission network 4 is arranged on phase shift medium
2a and move down between phase medium 2b, upper phase shift medium 2a and move down the both sides of phase medium 2b offer respectively the first gathering sill 5b and
Second gathering sill 5d, is provided with first leads with the first gathering sill 5b and the second gathering sill 5d opposite position in the chute of cavity 1
Guide convex stupefied 5c, the first gathering sill 5b and the second gathering sill 5d to convex stupefied 5a and second and guide convex stupefied 5a and second with first respectively
Guide convex stupefied 5c formation to be slidably connected.On cavity 1, the one end near feed termination 3 offers two transmission network connecting hole 4a.
Phase shift medium 2 offers the first driving hole 24 and the second driving hole 25 away from one end of chute.
The phase shift medium 2 of the low-loss broadband dielectric phase shifter of the present embodiment is provided with three along the axis direction of chute
Transformer section, along the transformer section of chute axis direction, phase shift medium 2 includes that the first matching network 21, second mates successively
Network 22 and phase-shift network 23, phase-shift network 23 is arranged away from chute, and the first matching network 21 and phase-shift network 23 thickness are equal,
Second matching network 22 is square opening.
The cavity 1 of the low-loss broadband dielectric phase shifter of the present embodiment is metal material, and processing technique can be die casting,
It can also be section bar.Phase shift medium 2 is more than the insulant of 1 for dielectric constant.Transmission network 4 is engraved in for metal material or metal
In PCB substrate, when transmission network 4 is engraved in PCB substrate for metal, can be monolayer, it is also possible to be multilamellar.
Embodiment two
The low-loss broadband dielectric phase shifter of the present embodiment is essentially identical with embodiment one, and difference as shown in Figure 4, is
Phase shift medium 2 includes first matching network the 21, second matching network 22 successively along the transformer section of chute axis direction and moves
Phase network 23, phase-shift network 23 is arranged away from chute, the first matching network the 21, second matching network 22 and thickness of phase-shift network 23
Degree is respectively H1, H2 and H3, H1 < H2 < H3.
Embodiment three
The low-loss broadband dielectric phase shifter of the present embodiment is essentially identical with embodiment one, and difference is as it is shown in figure 5, be
Phase shift medium 2 includes first matching network the 21, second matching network 22 successively along the transformer section of chute axis direction and moves
Phase network 23, phase-shift network 23 is arranged away from chute, the first matching network the 21, second matching network 22 and Jie of phase-shift network 23
Electric constant is respectively ε 1, ε 2 and ε 3, ε 1 < ε 2 < ε 3.
The present invention is not limited to above-described embodiment.The technical scheme that all employing equivalents are formed, all falls within the present invention and wants
The protection domain asked.
Claims (6)
1. a low-loss broadband dielectric phase shifter, it is characterised in that: include rectangular-shaped cavity, transmission network and phase shift
Medium, one end of described cavity is provided with feed termination, and the interior axis direction along cavity of described cavity is provided with and is suitable to described shifting
The chute that phase medium slides, described phase shift medium can be arranged in described chute along what the axis of described cavity slidably reciprocated, institute
Stating transmission network to be arranged in described chute, described phase shift medium is provided with at least one impedance along the axis direction of described chute
Transforming section；
Described phase shift medium include phase shift medium and move down phase medium, described transmission network be arranged on described upper phase shift medium and
Moving down between phase medium, described upper phase shift medium and the both sides moving down phase medium offer the first gathering sill and second respectively and guide
Groove, be provided with described first gathering sill and the second gathering sill opposite position in the chute of described cavity the first guiding convex stupefied and
Second guiding is convex stupefied, and described first gathering sill and the second gathering sill guide convex stupefied respectively with first and the convex stupefied formation of the second guiding is sliding
It is dynamically connected.
Low-loss broadband dielectric phase shifter the most according to claim 1, it is characterised in that: near described on described cavity
One end of feed termination offers at least one transmission network connecting hole.
Low-loss broadband dielectric phase shifter the most according to claim 2, it is characterised in that: described phase shift medium is away from institute
The one end stating chute offers at least one driving hole.
Low-loss broadband dielectric phase shifter the most according to claim 3, it is characterised in that: described phase shift medium is along described
The transformer section of chute axis direction includes the first matching network, the second matching network and phase-shift network, described phase shift successively
Network is arranged away from described chute, and described first matching network and phase-shift network thickness are equal, the described second matching network side of being
Shape hole.
Low-loss broadband dielectric phase shifter the most according to claim 3, it is characterised in that: described phase shift medium is along described
The transformer section of chute axis direction includes the first matching network, the second matching network and phase-shift network, described phase shift successively
Network is arranged away from described chute, and the thickness of described first matching network, the second matching network and phase-shift network is respectively H1, H2
And H3, described H1 < H2 < H3.
Low-loss broadband dielectric phase shifter the most according to claim 3, it is characterised in that: described phase shift medium is along described
The transformer section of chute axis direction includes the first matching network, the second matching network and phase-shift network, described phase shift successively
Network is arranged away from described chute, and the dielectric constant of described first matching network, the second matching network and phase-shift network is respectively ε
1, ε 2 and ε 3, described ε 1 < ε 2 < ε 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610616702.1A CN106129544A (en) | 2016-08-01 | 2016-08-01 | A kind of low-loss broadband dielectric phase shifter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610616702.1A CN106129544A (en) | 2016-08-01 | 2016-08-01 | A kind of low-loss broadband dielectric phase shifter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094983A1 (en) * | 2016-11-25 | 2018-05-31 | 京信通信技术(广州)有限公司 | Dielectric phase shifting unit, dielectric phase shifter and base station antenna |
| CN111293383A (en) * | 2018-12-06 | 2020-06-16 | 中兴通讯股份有限公司 | Dielectric phase shifter and base station antenna |
| CN111342175A (en) * | 2020-03-13 | 2020-06-26 | 佛山市粤海信通讯有限公司 | Stripline phase shifter and antenna |
| CN111585024A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and 5G base station antenna |
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| US20120056692A1 (en) * | 2009-05-11 | 2012-03-08 | Kmw Inc. | Multi-line phase shifter for vertical beam tilt-controlled antenna |
| CN103985966A (en) * | 2014-05-12 | 2014-08-13 | 武汉虹信通信技术有限责任公司 | Broadband dielectric phase-shifting device |
| CN104051821A (en) * | 2014-05-23 | 2014-09-17 | 京信通信技术(广州)有限公司 | Dielectric phase shifter |
| CN105261835A (en) * | 2014-11-11 | 2016-01-20 | 李梓萌 | Adjustable phase shift device for array antenna, and antenna |
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| US20120056692A1 (en) * | 2009-05-11 | 2012-03-08 | Kmw Inc. | Multi-line phase shifter for vertical beam tilt-controlled antenna |
| CN102176524A (en) * | 2011-03-28 | 2011-09-07 | 京信通信系统（中国）有限公司 | Coaxial dielectric phase shift system, phase shifter and phase shift driving device |
| CN103985966A (en) * | 2014-05-12 | 2014-08-13 | 武汉虹信通信技术有限责任公司 | Broadband dielectric phase-shifting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018094983A1 (en) * | 2016-11-25 | 2018-05-31 | 京信通信技术(广州)有限公司 | Dielectric phase shifting unit, dielectric phase shifter and base station antenna |
| US10910688B2 (en) | 2016-11-25 | 2021-02-02 | Comba Telecom Technology (Guangzhou) Limited | Dielectric phase shifting unit, dielectric phase shifter and base station antenna |
| CN111293383A (en) * | 2018-12-06 | 2020-06-16 | 中兴通讯股份有限公司 | Dielectric phase shifter and base station antenna |
| CN111342175A (en) * | 2020-03-13 | 2020-06-26 | 佛山市粤海信通讯有限公司 | Stripline phase shifter and antenna |
| CN111585024A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and 5G base station antenna |
| CN111585024B (en) * | 2020-05-20 | 2023-03-31 | 中信科移动通信技术股份有限公司 | Dielectric phase shifter and 5G base station antenna |
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Application publication date: 20161116 |