CN205921056U - Dielectric phase shifter - Google Patents
Dielectric phase shifter Download PDFInfo
- Publication number
- CN205921056U CN205921056U CN201620819046.0U CN201620819046U CN205921056U CN 205921056 U CN205921056 U CN 205921056U CN 201620819046 U CN201620819046 U CN 201620819046U CN 205921056 U CN205921056 U CN 205921056U
- Authority
- CN
- China
- Prior art keywords
- phase
- medium
- network
- shift
- chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to a dielectric phase shifter, including cavity, the transmission network of cuboid form with move the looks medium, the one end of cavity is provided with the feed end, and the axis direction along the cavity in the cavity is provided with the spout, moves looks medium slidable and sets up in the spout, moves the looks medium and is provided with at least one impedance conversion section along the axis direction of spout, move the looks medium including shifting up the looks medium and moving down the looks medium, transmission network sets up and is shifting up the looks medium and moving down between the looks medium, shift up the looks medium and has seted up first guide way and second guide way respectively with the both sides that move down the looks medium, in the spout of cavity with first guide way and the corresponding position of second guide way be provided with first direction protruding stupefied and second lead protruding stupefied, first guide way and second guide way respectively with the protruding stupefied and second of the first direction protruding stupefied formation sliding connection that leads. The utility model discloses a dielectric phase shifter has the frequency band width, and is small, and the loss is low, the advantage of stable performance to simple structure, easy batch production, low cost.
Description
Technical field
This utility model is related to a kind of dielectric phase shifter, belongs to communication antenna technical field.
Background technology
In mobile communication covers, the angle of declination of antenna adjusts and can adopt various ways, under mechanical tilt and electricity tune
Incline, recent years, drastically rise with terminal use's quantity, user distribution assumes density and changes constantly greatly and because the time is different
The feature of change, puts the change of the factors such as different and red-letter day vacation over time, and base station state has a significant change, when and utilize
Rate is low, when and load be fully loaded with.On this basis, electrical tilt antenna is substituted conventional mechanical tilt antenna and is widely used in communication
In base station.Electrical tilt antenna refers to there are one or more phase shifters in inner antenna, and the phase shifter moves up and down to change feeding network
Length so that the signal from input port to each output port has differences, thus changing 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 the existing phase shifter is typically made into high, and performance is not ideal enough.
The purpose of phase shift in the existing phase shifter, is mainly realized using two kinds of means.The first is passed through to change 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, thus can flow through the phase shifter output signal form continuous linear phase difference, thus realizing phase shift
Purpose.
Advancing by leaps and bounds with 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.
Utility model content
The technical problems to be solved in the utility model is, not enough for prior art, a kind of bandwidth of proposition, small volume,
Loss is low, stable performance and the good dielectric phase shifter of electric property.
This utility model is that the technical scheme solving above-mentioned technical problem proposition is: a kind of dielectric phase shifter, including rectangular
The cavity of body shape, transmission network and phase shift medium, one end of cavity is provided with feed termination, along the axis direction of cavity in cavity
It is provided with the chute being suitable to the slip of phase shift medium, phase shift medium can be arranged in chute along what the axis of cavity slidably reciprocated, pass
In chute, phase shift medium is provided with least one transformer section along the axis direction of chute for defeated network installation；
Phase shift medium includes phase shift medium and moves down phase medium, and transmission network is arranged on phase shift medium and lower phase shift is situated between
Between matter, upper phase shift medium offers the first gathering sill and the second gathering sill, the cunning of cavity respectively with the both sides moving down phase medium
It is provided with the first guiding in groove with the first gathering sill and the second gathering sill opposite position convex stupefied and second guide convex stupefied, first leads
Convex stupefied with the first guiding respectively and second guide convex stupefied formation and be slidably connected to groove and the second gathering sill.
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 away from chute setting, 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.
This utility model using the beneficial effect of technique scheme is:
(1) dielectric phase shifter of the present utility model due to phase shift medium along chute axis direction be provided with least one resistance
Anti- transforming section, thus being provided with bandwidth, small volume, low, the advantage of stable performance is lost, the dielectric phase shifter of the present invention has
Good electric property and structure simple it is easy to batch production, with low cost；
(2) dielectric phase shifter of the present utility model due to the first gathering sill and the second gathering sill convex stupefied with the first guiding respectively
With the second convex stupefied formation moving sets of guiding, strictly limit phase shift medium and move down the degree of freedom of phase medium it is ensured that upper shifting
Phase medium and move down phase medium and reciprocatingly slide only along chute direction, can be prevented effectively from phase shift medium and move down phase medium with
Contact between transmission network is so that the not extra stress of transmission network is it is ensured that the stability of transmission network, and prevents
Phase shift medium, move down the abrasion of phase medium and transmission network；
(3) dielectric phase shifter of the present utility model is due to offering at least one biography near one end of feed termination on cavity
Defeated network connection hole, facilitates connecting and due in the one end near feed termination, preventing phase shift medium from sliding of transmission network
Dynamic is to touch connecting portion, and lead to connect loosens it is ensured that the steady operation of dielectric phase shifter；
(4) dielectric phase shifter of the present utility model due to phase shift medium away from chute one end offer at least one transmission
Hole, facilitates the connection of driving structure and phase shift medium during use；
(5) dielectric phase shifter of the present utility model is wrapped along the transformer section of chute axis direction successively due to phase shift medium
Include the first matching network, the second matching network and phase-shift network, phase-shift network is away from chute setting, the first matching network and phase shift
Network thickness is equal, and the second matching network is square opening, and this phase shift medium effective broadening bandwidth is lost low, stable performance；
(6) dielectric phase shifter of the present utility model is wrapped along the transformer section of chute axis direction successively due to phase shift medium
Include the first matching network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network, second
The thickness of matching network and phase-shift network is respectively h1, h2 and h3, h1 < h2 < h3, this phase shift medium effective broadening bandwidth,
Low, stable performance is lost；
(7) dielectric phase shifter of the present utility model is wrapped along the transformer section of chute axis direction successively due to phase shift medium
Include the first matching network, the second matching network and phase-shift network, phase-shift network is arranged away from chute, the first matching network, second
The dielectric constant of matching network and phase-shift network is respectively ε 1, ε 2 and ε 3, ε 1 < ε 2 < ε 3, this phase shift medium effective broadening band
Width, is lost low, stable performance.
Brief description
The utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the perspective view of this utility model embodiment one dielectric phase shifter；
Fig. 2 is the side structure schematic view of this utility model embodiment one dielectric phase shifter；
Fig. 3 is the phase shift dielectric structure schematic diagram of this utility model embodiment one dielectric phase shifter；
Fig. 4 is the phase shift dielectric structure schematic diagram of this utility model embodiment second medium phase shifter；
Fig. 5 is the phase shift dielectric structure schematic diagram of this utility model embodiment three dielectric phase shifter；
Wherein: 1- cavity；2- phase shift medium；2a- upper phase shift medium；2b- moves down phase medium；21- first matching network；
22- second matching network；23- phase-shift network；24- first driving hole；25- second driving hole；3- feeds termination；4- transmission network
Network；4a- transmission network connecting hole；5a- first guides convex stupefied；5b- first gathering sill；5c- second guides convex stupefied；5d- second leads
To groove.
Specific embodiment
Embodiment
The 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 the interior axis direction along cavity 1 of cavity 1 is provided with and is suitable to phase shift medium 2
The chute sliding, phase shift medium 2 can be arranged in chute along what the axis of cavity 1 slidably reciprocated, and transmission network 4 is arranged on chute
Interior, 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 moves down
Between phase medium 2b, upper phase shift medium 2a and the both sides moving down phase medium 2b offer the first gathering sill 5b and second guiding respectively
Groove 5d, is provided with the convex stupefied 5a of the first guiding with the first gathering sill 5b and the second gathering sill 5d opposite position in the chute of cavity 1
Convex stupefied with the first convex stupefied 5a of guiding and the second guiding respectively with the second guiding convex stupefied 5c, the first gathering sill 5b and the second gathering sill 5d
5c forms and is slidably connected.Two transmission network connecting hole 4a are offered near one end of feed termination 3 on cavity 1.Phase shift medium 2
One end away from chute offers the first driving hole 24 and the second driving hole 25.
The phase shift medium 2 of the dielectric phase shifter of the present embodiment is provided with three transformer sections along the axis direction of chute,
Phase shift medium 2 includes the first matching network 21, the second matching network 22 and shifting successively along the transformer section of chute axis direction
Phase 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, the second pair net
Network 22 is square opening.
The cavity 1 of the dielectric phase shifter of the present embodiment is metal material, and processing technique can be die casting or type
Material.Phase shift medium 2 is more than 1 insulant for dielectric constant.Transmission network 4 is metal material or metal is engraved on pcb substrate,
When transmission network 4 is engraved on pcb substrate for metal, can be monolayer or multilamellar.
Embodiment two
The dielectric phase shifter of the present embodiment is essentially identical with embodiment one, and difference is as shown in figure 4, be phase shift medium
2 include the first matching network 21, the second matching network 22 and phase-shift network 23 successively along the transformer section of chute axis direction,
Phase-shift network 23 is arranged away from chute, and the thickness of the first matching network 21, the second matching network 22 and phase-shift network 23 is respectively
H1, h2 and h3, h1 < h2 < h3.
Embodiment three
The dielectric phase shifter of the present embodiment is essentially identical with embodiment one, and difference is as shown in figure 5, be phase shift medium
2 include the first matching network 21, the second matching network 22 and phase-shift network 23 successively along the transformer section of chute axis direction,
Phase-shift network 23 is arranged away from chute, and the dielectric constant of the first matching network 21, the second matching network 22 and phase-shift network 23 divides
Not Wei ε 1, ε 2 and ε 3, ε 1 < ε 2 < ε 3.
This utility model is not limited to above-described embodiment.The technical scheme that all employing equivalents are formed, all falls within this reality
Protection domain with new requirement.
Claims (6)
1. a kind of dielectric phase shifter it is characterised in that: include rectangular-shaped cavity, transmission network and phase shift medium, described chamber
One end of body is provided with feed termination, and the interior axis direction along cavity of described cavity is provided with and is suitable to what described phase shift medium slided
Chute, described phase shift medium can be arranged in described chute along what the axis of described cavity slidably reciprocated, described transmission network peace
It is contained in described chute, described phase shift medium is provided with least one transformer section along the axis direction of described chute；
Described phase shift medium includes phase shift medium and move down phase medium, described transmission network be arranged on described upper phase shift medium and
Move down between phase medium, described upper phase shift medium and the both sides moving down phase medium offer the first gathering sill and the second guiding respectively
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 the convex stupefied and convex stupefied formation cunning of the second guiding respectively with first
It is dynamically connected.
2. dielectric phase shifter according to claim 1 it is characterised in that: on described cavity near described feed termination one
End offers at least one transmission network connecting hole.
3. dielectric phase shifter according to claim 2 it is characterised in that: described phase shift medium is away from one end of described chute
Offer at least one driving hole.
4. dielectric phase shifter according to claim 3 it is characterised in that: described phase shift medium is along described chute axis direction
Transformer section include the first matching network, the second matching network and phase-shift network successively, described phase-shift network is away from described
Chute is arranged, and described first matching network and phase-shift network thickness are equal, and described second matching network is square opening.
5. dielectric phase shifter according to claim 3 it is characterised in that: described phase shift medium is along described chute axis direction
Transformer section include the first matching network, the second matching network and phase-shift network successively, described phase-shift network is away from described
Chute is arranged, 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.
6. dielectric phase shifter according to claim 3 it is characterised in that: described phase shift medium is along described chute axis direction
Transformer section include the first matching network, the second matching network and phase-shift network successively, described phase-shift network is away from described
Chute is arranged, 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, institute
State ε 1 < ε 2 < ε 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819046.0U CN205921056U (en) | 2016-08-01 | 2016-08-01 | Dielectric phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620819046.0U CN205921056U (en) | 2016-08-01 | 2016-08-01 | Dielectric phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921056U true CN205921056U (en) | 2017-02-01 |
Family
ID=57873299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620819046.0U Active CN205921056U (en) | 2016-08-01 | 2016-08-01 | Dielectric phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205921056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663423A (en) * | 2022-12-26 | 2023-01-31 | 华南理工大学 | Antenna device and combined phase shifter |
-
2016
- 2016-08-01 CN CN201620819046.0U patent/CN205921056U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115663423A (en) * | 2022-12-26 | 2023-01-31 | 华南理工大学 | Antenna device and combined phase shifter |
| CN115663423B (en) * | 2022-12-26 | 2023-03-28 | 华南理工大学 | Antenna device and combined phase shifter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204167466U (en) | A kind of metal edge frame multifrequency loop antenna | |
| CN204481128U (en) | A kind of mobile terminal with complete closure metal edge frame and LTE slot antenna thereof | |
| CN107946769B (en) | 4G MIMO mobile phone antenna based on liquid metal | |
| CN105932409B (en) | One kind is small-sized to melt the type groove of falling E formula ultra wide band millimeter wave micro-strip antenna | |
| CN105591190A (en) | Completely closed metal frame antenna and MIMO antenna thereof | |
| CN204596947U (en) | Mobile terminal antenna and mobile terminal | |
| CN106207320B (en) | Phase shifter and antenna | |
| CN101816100B (en) | Antenna arrangement | |
| CN206134920U (en) | Antenna of mobile terminal and mobile terminal | |
| CN203377357U (en) | A miniaturized built-in micro-strip combiner for an LTE base station antenna | |
| CN106129544A (en) | A kind of low-loss broadband dielectric phase shifter | |
| CN110391486A (en) | Duplexer, dielectric filter and its capacitive coupling structure | |
| CN105161797B (en) | One kind miniaturization dielectric phase shifter | |
| CN205921056U (en) | Dielectric phase shifter | |
| CN204614906U (en) | A kind of multipath integrated dielectric phase shifter | |
| CN101834334B (en) | Coupling port of coaxial cavity filter | |
| CN107834172A (en) | A kind of new four-arm spiral antenna | |
| CN106571527A (en) | Base station electrically adjustable antenna phase shifter and multiband common base station antenna | |
| CN101485039B (en) | Continuously tunable delay line | |
| CN102509891B (en) | Frequency-adjustable Butler matrix | |
| CN204441460U (en) | A kind of IFA antenna of novel wide-band | |
| CN109713406A (en) | A kind of phase-shifting unit, phase shifter and antenna for base station | |
| CN104600402B (en) | A kind of filter and the duplexer with the filter | |
| CN109244609B (en) | A kind of square groove structure microwave filter with dual band operation characteristic | |
| CN201369377Y (en) | Phase shifter module based on medium loading |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |