CN102369631A - Phase shifter - Google Patents
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- CN102369631A CN102369631A CN2011800021591A CN201180002159A CN102369631A CN 102369631 A CN102369631 A CN 102369631A CN 2011800021591 A CN2011800021591 A CN 2011800021591A CN 201180002159 A CN201180002159 A CN 201180002159A CN 102369631 A CN102369631 A CN 102369631A
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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
- H01P1/184—Strip line phase-shifters
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Abstract
The invention discloses a phase shifter, comprising a rotary arm and at least two suspended strip lines. The rotary arm can rotate around a rotary point and comprises a plurality of coupling lines and at least one branch line. Each coupling line is in electrical coupling with a strip line correspondingly, at least one coupling line is led out from the rotary point, and the coupling lines are equipped with branch points. The branch line is led out from the branch points to be extended to the next-stage coupling line and to be connected with the next-stage coupling line, and the branch line is distributed up and down relative to the coupling lines. By employing the embodiment of the invention, the power distribution and standing wave matching of the strip lines can be realized easily.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of phase shifter that is used for antenna for base station.
Background technology
Phase shifter is the critical component that is applied to antenna for base station, can change the beam scanning angle of array antenna, i.e. angle of declination.That is to say that antenna for base station can change the coverage of antenna beam flexibly through the phase shift position of adjustment phase shifter.
At present, the antenna for base station phase shifter has two kinds of implementations: first kind of mode is in feeder line, to insert medium, changes the dielectric constant of transmission medium, thereby changes electromagnetic wavelength, is equivalent to the variation of electromagnetic wave stroke, i.e. the variation of current feed phase; The second way is the length that changes feeder line, directly increases or reduces electromagnetic stroke, thereby reach the variation of current feed phase.First kind of mode realizes simply, but because the intervention of medium can cause feeder line to have bigger changes in amplitude and insertion loss.And the second way can reduce feeder circuit losses, and changes in amplitude is little.
Chinese patent CN00802132.5 and U.S. Pat 6850130B1 disclose a kind of high-frequency phase shifter unit; Tape conductor section and a tap component arrangement with at least two arcs; This tap component arrangement is connected with a feed wire; This feed wire is electrically connected with the tapping point of each tape conductor section through a plurality of connection leads, and each tape conductor section connects antenna radiator respectively.The tap component arrangement is rotated around its rotating shaft, thereby adjust the phase angle of all antenna radiators.This phase shifter changes phase place through the length that changes feeder line, and its feeder circuit losses is little.But this phase shifter is adjusted the power division of each antenna radiator through changing the width of rotary indicator, and its merit proportion by subtraction realizes difficulty, and merit divides flatness not high enough; And standing wave coupling difficulty, bandwidth is not high enough.
Summary of the invention
The embodiment of the invention proposes a kind of phase shifter, realizes the power division of each output port easily, and merit divides flatness high; And realize the standing wave coupling easily, increase bandwidth.
The phase shifter that the embodiment of the invention provides comprises turning arm and at least two band lines that suspend; Said turning arm can rotate around a point of rotation;
Said turning arm comprises a plurality of coupling lines and at least one branch line; Each coupling line is with the line electric coupling with one accordingly; Wherein at least one coupling line is drawn from the said point of rotation, and said coupling line is provided with breakout; Said branch line is drawn from said breakout, extends to the coupling line of next stage, is connected with the coupling line of next stage; Branch line distributes up and down with respect to coupling line.
Further, said branch line is a single-side structural, comprises a branch line, and said branch line is drawn from a breakout on the said coupling line, and said branch line be positioned at said coupling line above or below;
Perhaps, said branch line is a bilateral structure, comprises two branch lines; Two branch lines, two breakouts from the said coupling line are respectively drawn, and perhaps the same breakout from the said coupling line is drawn; Two branch lines lay respectively at the above and below of said coupling line.
The phase shifter that the embodiment of the invention provides; Each realizes connecting through branch line with the corresponding coupling line of line; This branch line has increased the variation of coupling minor matters, and number that can be through the change branch line, length, width, branch location etc. change the power ratio and the power bandwidth of each section band line; Realize the power division of each output port easily, merit divides flatness high; And the number, length, width, branch location etc. of change branch line can also change respectively with the standing wave of line, realize the standing wave coupling easily, increase bandwidth.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the embodiment of the invention one coupling line that provides and a structural representation of being with line;
Fig. 2 is the embodiment of the invention two coupling line that provides and a structural representation of being with line;
Fig. 3 is the embodiment of the invention three coupling line that provides and a structural representation of being with line;
Fig. 4 is the embodiment of the invention four coupling line that provides and a structural representation of being with line;
Fig. 5 is the structural representation of the phase shifter that provides of the embodiment of the invention five;
Fig. 6 is a phase shifter shown in Figure 5 sectional view along the A-A direction;
Fig. 7 is the structural representation of the phase shifter that provides of the embodiment of the invention six;
Fig. 8 is the structural representation of the phase shifter that provides of the embodiment of the invention seven;
Fig. 9 is the structural representation of the phase shifter that provides of the embodiment of the invention eight;
Figure 10 is the structural representation of the phase shifter that provides of the embodiment of the invention nine;
Figure 11 is the structural representation of the phase shifter that provides of the embodiment of the invention ten;
Figure 12 is the structural representation of the phase shifter that provides of the embodiment of the invention 11;
Figure 13 is the structural representation of the phase shifter that provides of the embodiment of the invention 12;
Figure 14 is the structural representation of the phase shifter that provides of the embodiment of the invention 13;
Figure 15 is a phase shifter shown in Figure 14 sectional view along the B-B direction;
Figure 16 is the structural representation of the phase shifter that provides of the embodiment of the invention 14;
Figure 17 is a phase shifter shown in Figure 16 sectional view along the C-C direction;
Figure 18 is the structural representation of the phase shifter that provides of the embodiment of the invention 15;
Figure 19 is a phase shifter shown in Figure 180 sectional view along the D-D direction;
Figure 20 is the structural representation of the phase shifter that provides of the embodiment of the invention 16;
Figure 21 is the structural representation of the phase shifter that provides of the embodiment of the invention 17.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The phase shifter that the embodiment of the invention provides comprises turning arm and at least two band lines that suspend; Said turning arm can rotate around a point of rotation;
Said turning arm comprises a plurality of coupling lines and at least one branch line; Each coupling line is with the line electric coupling with one accordingly; Wherein at least one coupling line is drawn from the said point of rotation, and said coupling line is provided with breakout; Said branch line is drawn from said breakout, extends to the coupling line of next stage, is connected with the coupling line of next stage; Branch line distributes up and down with respect to coupling line.
In one embodiment, said branch line is a single-side structural, comprises a branch line, and said branch line is drawn from a breakout on the said coupling line, and said branch line be positioned at said coupling line above or below;
In another embodiment, said branch line is a bilateral structure, comprises two branch lines; Two branch lines, two breakouts from the said coupling line are respectively drawn, and perhaps the same breakout from the said coupling line is drawn; Two branch lines lay respectively at the above and below of said coupling line.
Said coupling line comprises coupling unit and armed lever; Said coupling unit is and the parts of band line electric coupling that said armed lever is connected with said coupling unit; Said breakout is located on the armed lever of coupling line.
Perhaps, said coupling line comprises coupling unit; Said breakout is located on the coupling unit.
The phase shifter that the embodiment of the invention provides also comprises cavity, and turning arm is arranged in the said cavity with the band line, and the band line is the state of suspending.
Below in conjunction with Fig. 1～Fig. 4, the structure of coupling line with the band line is described in detail.
Referring to Fig. 1, be the embodiment of the invention one coupling line that provides and the structural representation of being with line.
Referring to Fig. 2, be the embodiment of the invention two coupling line that provides and the structural representation of being with line.
Compare with the above embodiments one, the difference of present embodiment two is: coupling unit 201 is monolateral coupling unit, single belt line 10 be positioned at monolateral coupling unit 201 above or below.
Referring to Fig. 3, be the embodiment of the invention three coupling line that provides and the structural representation of being with line.
Compare with the above embodiments one, the difference of present embodiment three is: band line 10 is the bilayer zone line, comprises epipelagic zone line 101 and lower floor's band line 102; With the coupling unit 201 of band line 10 electric coupling be monolateral coupling unit, said monolateral coupling unit is interposed in epipelagic zone line 101 and lower floor is with between the line 102.
Referring to Fig. 4, be the embodiment of the invention four coupling line that provides and the structural representation of being with line.
Compare with the above embodiments three, the difference of present embodiment five is: band line 10 comprises epipelagic zone line 101 and lower floor's band line 102; Epipelagic zone line 101 is with line 102 to be connected to form the U-shaped structure with lower floor.
Need to prove that the foregoing description one to four only comprises that with coupling line coupling unit 201 and armed lever 202 are that example describes, during practical implementation, coupling line can omit armed lever 202, only is made up of coupling unit 201.
The phase shifter that the embodiment of the invention provides through changing coupling line and the electric coupling mode of being with line, can change the impedance of band line, changes the power ratio and the standing wave of each section band line, realizes the power division and the standing wave coupling of each band line easily, increases bandwidth.
The phase shifter that the embodiment of the invention provides can also change the power ratio and the standing wave of each section band line through the number, length, width, branch location etc. of change branch line, realizes that the power division of each band line and standing wave mate.
Below in conjunction with Fig. 5～Figure 21, the structure of the phase shifter that the embodiment of the invention is provided is described in detail.
Referring to Fig. 5, be the structural representation of the phase shifter that provides of the embodiment of the invention five.
The phase shifter that embodiment five provides comprises two circular-arc band lines, is respectively the first band line 11 and the second band line 12.The first band line 11, second is with the center of circle and the point of rotation O of line 12 to be positioned on the same rotation, and said rotation is with line 12 perpendicular to the first band line 11, second.More concrete, said rotation passes point of rotation O, and perpendicular to two axis of being with plane, lines place, two band line coaxial arrangement.
The radius of the first band line 11 is less than the radius of the second band line 12, and the first band line 11 is positioned in the circular arc of the second band line 12.Concrete, as shown in Figure 5, be the line of demarcation with the axis MN that passes point of rotation O, the first band line 11 and the second band line 12 are positioned at the same side, and the setting of staggering each other.
Turning arm 2 has the feed input port, and this feed input port is connected with feed input lead shown in Figure 5.Turning arm 2 overlap joints are on two band lines, and turning arm 2 can rotate around point of rotation O.Preferably, the feed input port is arranged on the position of contiguous point of rotation O.
As shown in Figure 5, the phase shifter that present embodiment provides also comprises cavity 5, and turning arm 2, the first band line 11 and the second band line 12 are arranged in the cavity 5, and two band lines are the state of suspending.
As shown in Figure 6, be phase shifter shown in Figure 5 sectional view along the A-A direction.Turning arm 2 comprises first coupling line 21, second coupling line 22 and first branch line 31.
The armed lever of first coupling line 21 is provided with breakout 41, the first branch lines 31 and draws from breakout 41, strides across the first band line 11, extends to second coupling line 22, is connected with said second coupling line 22.Second coupling line 22 and second is with line 12 electric coupling, adopts the bilateral electric coupling mode of above-mentioned enforcement one.
Concrete, branch line 31 is a bilateral structure, comprises branch line 301 and branch line 302; Two branch lines are drawn from the breakout 41 on first coupling line 21, are connected on the armed lever of second coupling line 22; Branch line 301 and branch line 302 lay respectively at the above and below of first coupling line 21.
As shown in Figure 5, two terminations of the first band line 11 are respectively equipped with output port P2, P3, and two terminations of the second band line 12 are respectively equipped with output port P1, P4.During practical implementation, output port P1, P2, P3, P4 are connected with antenna element R1, R2, R3, R4 through feed wire respectively.
When turning arm 2 when point of rotation O rotates; Can change from the phase place of feed input to four output port; The phase place of output port P1, P2, P3, P4 is changed continuously, thereby change the phase place of antenna element R1, R2, R3, R4, realize the beam scanning of antenna.
During practical implementation,, can change the ratio of each output port phase change through changing the ratio of the arc radius of being with line.For example, as shown in Figure 5, the arc radius of establishing the first band line 11 is r1, and the arc radius of the second band line 12 is r2.If r1: r2=1: 2, then the phase place of output port P1, P2, P3, P4 correspondence is-2 α :-α: α: 2 α.If r1: r2=1: 3, then the phase place of output port P1, P2, P3, P4 correspondence is-3 α :-α: α: 3 α.Wherein, the phase place of feed input port is 0.
The phase shifter that present embodiment provides extends first coupling line from the point of rotation, and second coupling line is connected to first coupling line through branch line; This branch line has increased the variation of coupling minor matters; Length, the width of two branch lines through the change branch line, the position of breakout etc. can change the impedances of two sections band lines, thereby change the power ratio and the power bandwidths of two sections band lines; Realize the power division of each output port easily, merit divides flatness high; In addition, the position of the length of two branch lines of change branch line, width, breakout etc. can also change two sections standing waves of being with lines, realize the standing wave coupling easily, increase bandwidth.
Referring to Fig. 7, be the structural representation of the phase shifter that provides of the embodiment of the invention six.
Compare with the above embodiments five, the difference of present embodiment six is: second coupling line 22 and second is with the electric coupling mode of line 12, adopts the bilayer zone line electric coupling mode of above-mentioned enforcement four.
Referring to Fig. 8, be the structural representation of the phase shifter that provides of the embodiment of the invention seven.
Compare with the above embodiments five, the difference of present embodiment seven is: branch line 31 is single-side structural, comprises a branch line; Said branch line is drawn from the breakout 41 on first coupling line 21, is connected on the armed lever of second coupling line 22.The said branch line and first coupling line 21 are up and down and distribute, this branch line can be positioned at first coupling line 21 above or below.
Compare with the above embodiments five, present embodiment seven has changed the branch line number of branch line, thereby changes the impedance of two sections band lines, adjusts the merit proportion by subtraction and the standing wave of two sections band lines with this.
Referring to Fig. 9, be the structural representation of the phase shifter that provides of the embodiment of the invention eight.
Compare with the above embodiments seven, the difference of present embodiment eight is: first coupling line 21 and first is with the electric coupling mode of line 11, and the electric coupling mode of second coupling line 22 and the second band line 12, all adopts the monolateral coupled modes of above-mentioned enforcement two.
Referring to Figure 10, be the structural representation of the phase shifter that provides of the embodiment of the invention nine.
Compare with the above embodiments five, the difference of present embodiment nine is: first coupling line 21 is provided with two different branches points, is respectively breakout 41 and breakout 42.Branch line 31 is a bilateral structure, comprises branch line 301 and branch line 302.Branch line 301 is drawn from breakout 41, is connected on the armed lever of second coupling line 22; Branch line 302 is drawn from breakout 42, is connected on the armed lever of second coupling line 22; Branch line 301 and branch line 302 lay respectively at the above and below of first coupling line 21, are up and down to distribute.And second coupling line 22 and second is with the electric coupling mode of line 12, adopts the bilayer zone line electric coupling mode of above-mentioned enforcement four.
Compare with the above embodiments five, present embodiment seven has changed the breakout position of branch line, thereby changes the impedance of two sections band lines, adjusts the merit proportion by subtraction and the standing wave of two sections band lines with this.
Referring to Figure 11, be the structural representation of the phase shifter that provides of the embodiment of the invention ten.
Compare with the above embodiments nine, the difference of present embodiment ten is: be equipped with medium 50 in the second band line, 12 outer periphery.
During practical implementation, phase shifter also comprises cavity 5, and turning arm is arranged in the cavity 5 with the band line.Be equipped with medium in band line outer periphery, this medium is filled between band line and the cavity.
The phase shifter that present embodiment provides through on the band line, increasing the environment that medium changes the band line, increases dielectric constant, thereby dwindles the requirement that the size of being with line also can satisfy amount of phase shift.
Referring to Figure 12, be the structural representation of the phase shifter that provides of the embodiment of the invention 11.
Compare with the above embodiments five, the difference of present embodiment 11 is: second coupling line 22 only wraps coupling unit, and this coupling unit is bilateral coupled structure.First branch line 31 comprises two branch lines, and two branch lines are all drawn from breakout 41, and is connected respectively on second coupling line 22.
Referring to Figure 13, be the structural representation of the phase shifter that provides of the embodiment of the invention 12.
Compare with the above embodiments 11, the difference of present embodiment 12 is: two branch lines of first branch line 31 are all drawn from breakout 41, stride across the above and below of first coupling line 21 respectively, and converge; Second coupling line 22 is connected on the point of two branch lines.
Referring to Figure 14, be the structural representation of the phase shifter that provides of the embodiment of the invention 13.
Compare with the above embodiments five, the difference of present embodiment 13 is: phase shifter also comprises the 3rd circular-arc band line 13; The center of circle of the 3rd band line 13 is positioned on the said rotation.Promptly the first band line 11, second is with line 12 and the 13 coaxial settings of the 3rd band line.The radius of the 3rd band line 13 is greater than the radius of the second band line 12, and the first band line 11, second is with line 12 to be positioned in the circular arc of the 3rd band line 13.Concrete, shown in figure 14, be the line of demarcation with the axis MN that passes point of rotation O, the first band line 11, second is with line 12 and the 3rd band line 13 to be positioned at the same side.
Shown in figure 15, be phase shifter shown in Figure 14 sectional view along the B-B direction.Turning arm 2 also comprises second branch line 32 and the 3rd coupling line 23.The tie point of first branch line 31 and second coupling line 22 is that breakout 43, the second branch lines 32 are drawn from breakout 43, strides across the second band line 12, extends to the 3rd coupling line 23, is connected with the 3rd coupling line 23; The 3rd coupling line 23 and the 3rd is with line 13 electric coupling, adopts the bilateral electric coupling mode of above-mentioned enforcement one.
In another embodiment, can also breakout be set at the tie point place of contiguous first branch line 31 and second coupling line 22; Second branch line 32 is drawn from said breakout; Stride across the second band line 12, extend to the 3rd coupling line 23, with being connected of the 3rd coupling line 23.
Shown in figure 14, two terminations of the 3rd band line 13 are respectively equipped with output port P5, P6.During practical implementation, output port P5, P6 are connected with antenna element through feed wire respectively.The phase shifter that embodiment 13 provides has six output ports, and turning arm 2 can change the phase place from the feed input to output port P1, P2, P3, P4, P5, P6 around point of rotation O rotation.
The phase shifter that present embodiment provides; First branch line 31 and second branch line 32 have increased the variation of coupling minor matters; The positions of the line length through changing two branch lines, width, breakout etc. can change the impedances of three sections band lines, thereby change the power ratio and the power bandwidths of three sections band lines; Realize the power division of six output ports easily, merit divides flatness high; In addition, the position of the line length through changing two branch lines, width, breakout etc. can also change the standing waves of three sections band lines, realize the standing wave coupling easily, increase bandwidth.
During practical implementation, can also be according to actual needs, according to the mode of increase the 3rd band line of the foregoing description 13, increase successively four-tape line, the 5th band line ..., N is with line.
Referring to Figure 16, be the structural representation of the phase shifter that provides of the embodiment of the invention 14.
Compare with the above embodiments five, the difference of present embodiment 14 is: phase shifter also comprises the 3rd circular-arc band line 13; The center of circle of the 3rd band line 13 is positioned on the said rotation, and promptly the first band line 11, second is with line 12 and the 13 coaxial settings of the 3rd band line.
Shown in figure 16, point of rotation O is positioned at the middle part of turning arm 2.O is a separation with this point of rotation, and coupling line extends along two ends.Promptly the first band line 11 and the second band line 12 are in the side of line of demarcation MN together, and the 3rd band line 13 is positioned at the opposite side of line of demarcation MN.
Shown in figure 17, be phase shifter shown in Figure 16 sectional view along the C-C direction.Turning arm 2 also comprise the 3rd coupling line 23, the three coupling lines 23 along with the opposite direction of said first coupling line 21, O draws from the point of rotation; The armed lever of the armed lever of the 3rd coupling line 23 and first coupling line 21 intersects at point of rotation O; The 3rd coupling line 23 and the 3rd band line 13 adopt bilateral electric coupling mode.
Need to prove that embodiment 14 only draws from the point of rotation with the 3rd coupling line 23, and to constitute 180 degree angles with first coupling line 21 be that example describes.During practical implementation, the angle between the 3rd coupling line 23 and first coupling line 21 can be 90～180.
Shown in figure 16, two terminations of the 3rd band line 13 are respectively equipped with output port P5, P6.During practical implementation, output port P5, P6 are connected with antenna element through feed wire respectively.The phase shifter that embodiment 14 provides has six output ports, and turning arm 2 can change the phase place from the feed input to output port P1, P2, P3, P4, P5, P6 around point of rotation O rotation.
Referring to Figure 18, be the structural representation of the phase shifter that provides of the embodiment of the invention 15.
Compare with the above embodiments 14, the difference of present embodiment 15 is: phase shifter also comprises circular-arc four-tape line 14; The center of circle of four-tape line 14 is positioned on the said rotation, and promptly the first band line 11, second is with line 12, the 3rd band line 13, the coaxial setting of four-tape line.
Shown in figure 18, point of rotation O is positioned at the middle part of turning arm 2.O is a separation with this point of rotation, and coupling line extends along two ends.The radius of four-tape line 14 is greater than the radius of the 3rd band line 13; The 3rd band line 13 is positioned in the circular arc of four-tape line 14; Promptly the first band line 11 and the second band line 12 are in the side of line of demarcation MN together, and the 3rd band line 13 and four-tape line 14 are in the opposite side of line of demarcation MN together.
Shown in figure 19, be phase shifter shown in Figure 180 sectional view along the D-D direction.Turning arm 2 also comprises the 3rd branch line 33 and the 4th coupling line 14; The armed lever of the 3rd coupling line 23 is provided with breakout 44; The 3rd branch line 33 is drawn from said breakout 44, strides across the 3rd band line 13, extends to the 4th coupling line 24, is connected with the 4th coupling line 24; The bilateral electric coupling mode of above-mentioned enforcement one is adopted in the 4th coupling line 24 and 14 electric coupling of four-tape line.
Shown in figure 18, two terminations of four-tape line 14 are respectively equipped with output port P7, P8.During practical implementation, output port P7, P8 are connected with antenna element through feed wire respectively.The phase shifter that embodiment 15 provides has eight output ports, and turning arm 2 can change the phase place from the feed input to output port P1, P2, P3, P4, P5, P6, P7, P8 around point of rotation O rotation.
The phase shifter that present embodiment provides; First branch line 31 and the 3rd branch line 33 have increased the variation of coupling minor matters; The positions of the line length through changing two branch lines, width, breakout etc. can change the impedances of four sections band lines, thereby change the power ratio and the power bandwidths of four sections band lines; Realize the power division of eight output ports easily, merit divides flatness high; In addition, the position of the line length through changing two branch lines, width, breakout etc. can also change the standing waves of four sections band lines, realize the standing wave coupling easily, increase bandwidth.
The phase shifter that the embodiment of the invention provides, each band line can be in the same plane, for example, and the phase shifter that the foregoing description five～15 provide, each band line is provided with one heart, and is in the same plane.In addition, each band line of phase shifter can also be on the different plane.
Referring to Figure 20, be the structural representation of the phase shifter that provides of the embodiment of the invention 16, the first band line 11 distributes up and down with the second band line 12, is with lines to be on the different plane respectively for two.
Referring to Figure 21, be the structural representation of the phase shifter that provides of the embodiment of the invention 17.
The phase shifter that the embodiment of the invention provides, its band line can be circular arc, zigzag or corrugated curvilinear structures.For example, shown in figure 21, the first band line 11 is an arc structure, and the second band line 12 and the 3rd band line 13 are the sawtooth curve structure.
Because broken line (jaggies or wave) can increase the physical pathway of band line, be equivalent to the band line of orthodrome, present embodiment is through the structure and the distribution mode of change band line, the size that can dwindle phase shifter.
The phase shifter that the embodiment of the invention provides has following beneficial effect:
(1) realize power division easily, merit divides flatness high.
Each realizes connecting through branch line with the corresponding coupling line of line; This branch line has increased the variation of coupling minor matters; Can be through the number, length, width, branch location etc. of change branch line; Change the power ratio and the power bandwidth of each section band line, realize the power division of each output port easily, merit divides flatness high.In addition, can also change the power ratio of each section band line through changing coupling line and the electric coupling mode of being with line.
(2) realize the standing wave coupling easily, increase bandwidth.
Each realizes connecting through branch line with the corresponding coupling line of line; This branch line has increased the variation of coupling minor matters, and number that can be through the change branch line, length, width, branch location etc. change respectively the standing wave with line; Realize the standing wave coupling easily, increase bandwidth.In addition, can also change the standing wave of each section band line through changing coupling line and the electric coupling mode of being with line.
(3) can dwindle the size of phase shifter.
Through on the band line, increasing the environment that medium changes the band line, increase dielectric constant, thereby dwindle the requirement that the size of being with line also can satisfy amount of phase shift.And the band line adopts sawtooth curve structure, the size that can dwindle phase shifter.
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also are regarded as protection scope of the present invention.
Claims (13)
1. a phase shifter is characterized in that, comprises turning arm and at least two band lines that suspend; Said turning arm can rotate around a point of rotation;
Said turning arm comprises a plurality of coupling lines and at least one branch line; Each coupling line is with the line electric coupling with one accordingly; Wherein at least one coupling line is drawn from the said point of rotation, and said coupling line is provided with breakout; Said branch line is drawn from said breakout, extends to the coupling line of next stage, is connected with the coupling line of next stage; Branch line distributes up and down with respect to coupling line.
2. phase shifter as claimed in claim 1 is characterized in that said branch line is a single-side structural, comprises a branch line, and said branch line is drawn from a breakout on the said coupling line, and said branch line be positioned at said coupling line above or below;
Perhaps, said branch line is a bilateral structure, comprises two branch lines; Two branch lines, two breakouts from the said coupling line are respectively drawn, and perhaps the same breakout from the said coupling line is drawn; Two branch lines lay respectively at the above and below of said coupling line.
3. phase shifter as claimed in claim 2 is characterized in that said coupling line comprises coupling unit and armed lever; Said coupling unit is and the parts of band line electric coupling that said armed lever is connected with said coupling unit; Said breakout is located on the armed lever of coupling line;
Perhaps, said coupling line comprises coupling unit; Said breakout is located on the coupling unit.
4. phase shifter as claimed in claim 3 is characterized in that, said band line is the single belt line;
With the coupling unit of said band line electric coupling be bilateral coupling unit, said band line is interposed in the middle of the said bilateral coupling unit;
Perhaps, with the coupling unit of said band line electric coupling be monolateral coupling unit, said band line be positioned at said monolateral coupling unit above or below.
5. phase shifter as claimed in claim 3 is characterized in that, said band line is the bilayer zone line, comprises epipelagic zone line and lower floor band line;
With the coupling unit of said band line electric coupling be monolateral coupling unit, said monolateral coupling unit is interposed between said epipelagic zone line and the said lower floor band line.
6. like claim 4 or 5 described phase shifters, it is characterized in that said phase shifter comprises two circular-arc band lines, be respectively the first band line and the second band line;
The center of circle and the said point of rotation of the said first band line, the second band line are positioned on the same rotation, and said rotation is perpendicular to the said first band line, the second band line;
The radius of the said first band line is less than the radius of the said second band line, and the said first band line is positioned in the circular arc of the said second band line.
7. phase shifter as claimed in claim 6 is characterized in that, said turning arm comprises first coupling line, second coupling line and first branch line;
Said first coupling line is drawn from the said point of rotation, with the said first band line electric coupling; And said first coupling line is provided with breakout;
Said first branch line is drawn from said breakout, strides across the said first band line, extends to said second coupling line, is connected with said second coupling line; Said second coupling line and the said second band line electric coupling.
8. phase shifter as claimed in claim 7 is characterized in that, said phase shifter also comprises the 3rd circular-arc band line; The center of circle of said the 3rd band line is positioned on the said rotation.
9. phase shifter as claimed in claim 8 is characterized in that, the radius of said the 3rd band line is greater than the radius of the said second band line; The said first band line, the second band line are positioned in the circular arc of said the 3rd band line;
Said turning arm also comprises second branch line and the 3rd coupling line; Said the 3rd coupling line and said the 3rd band line electric coupling;
Tie point with said first branch line and said second coupling line is a breakout, and said second branch line is drawn from said breakout, strides across the said second band line, extends to said the 3rd coupling line, is connected with said the 3rd coupling line;
Perhaps, the tie point place at contiguous said first branch line and said second coupling line is provided with breakout, and said second branch line is drawn from said breakout, strides across the said second band line, extends to said the 3rd coupling line, with being connected of said the 3rd coupling line.
10. phase shifter as claimed in claim 8 is characterized in that said turning arm also comprises the 3rd coupling line; Said the 3rd coupling line is drawn from the said point of rotation, and the angle between said the 3rd coupling line and said first coupling line is 90～180; Said the 3rd coupling line and said the 3rd band line electric coupling.
11. phase shifter as claimed in claim 10 is characterized in that, said phase shifter also comprises circular-arc four-tape line; The center of circle of said four-tape line is positioned on the said rotation; The radius of said four-tape line is greater than the radius of said the 3rd band line, and said the 3rd band line is positioned in the circular arc of said four-tape line;
Said turning arm also comprises the 3rd branch line and the 4th coupling line;
Said the 3rd coupling line is provided with breakout; Said the 3rd branch line is drawn from said breakout, strides across said the 3rd band line, extends to said the 4th coupling line, is connected with said the 4th coupling line; Said the 4th coupling line and the electric coupling of said four-tape line.
12., it is characterized in that said band line is circular arc, zigzag or corrugated curvilinear structures like each described phase shifter of claim 1～5.
13. like each described phase shifter of claim 1～5, it is characterized in that said phase shifter also comprises cavity, said turning arm and said band line are arranged in the said cavity;
Said band line outer periphery is equipped with medium, and this medium is filled between said band line and the said cavity.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/077327 WO2012106903A1 (en) | 2011-07-19 | 2011-07-19 | Phase shifter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102369631A true CN102369631A (en) | 2012-03-07 |
| CN102369631B CN102369631B (en) | 2013-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800021591A Active CN102369631B (en) | 2011-07-19 | 2011-07-19 | Phase shifter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102369631B (en) |
| WO (1) | WO2012106903A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746156A (en) * | 2014-01-14 | 2014-04-23 | 华为技术有限公司 | Phase shifter and array antenna |
| CN106159385A (en) * | 2016-08-17 | 2016-11-23 | 广东晖速通信技术股份有限公司 | A kind of series-parallel phase shifter |
| EP3096393A1 (en) * | 2015-05-22 | 2016-11-23 | Kathrein Werke KG | Difference phase slider assembly |
| CN108475834A (en) * | 2015-12-29 | 2018-08-31 | 华为技术有限公司 | Phase shifter, antenna and wireless telecom equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269647B (en) | 2014-09-09 | 2017-12-22 | 西安华为技术有限公司 | A kind of phase shifter |
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| CN101174729A (en) * | 2007-10-24 | 2008-05-07 | 华南理工大学 | Two-side symmetrical arc arm phase shifter of electricity-regulating antenna |
| US7557675B2 (en) * | 2005-03-22 | 2009-07-07 | Radiacion Y Microondas, S.A. | Broad band mechanical phase shifter |
| CN101821899A (en) * | 2007-10-05 | 2010-09-01 | Ace天线株式会社 | Phase shifter where roration member is combined with guide member |
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| DE19938862C1 (en) * | 1999-08-17 | 2001-03-15 | Kathrein Werke Kg | High frequency phase shifter assembly |
| KR100893531B1 (en) * | 2007-10-05 | 2009-04-17 | (주)에이스안테나 | Phase shifter |
| WO2009107186A1 (en) * | 2008-02-25 | 2009-09-03 | 日本電業工作株式会社 | Multibranched division phase shifter |
| FR2930078B1 (en) * | 2008-04-15 | 2011-08-26 | Alcatel Lucent | ROTARY DEPHASING DEVICE |
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- 2011-07-19 CN CN2011800021591A patent/CN102369631B/en active Active
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|---|---|---|---|---|
| US7557675B2 (en) * | 2005-03-22 | 2009-07-07 | Radiacion Y Microondas, S.A. | Broad band mechanical phase shifter |
| CN101821899A (en) * | 2007-10-05 | 2010-09-01 | Ace天线株式会社 | Phase shifter where roration member is combined with guide member |
| CN101174729A (en) * | 2007-10-24 | 2008-05-07 | 华南理工大学 | Two-side symmetrical arc arm phase shifter of electricity-regulating antenna |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746156A (en) * | 2014-01-14 | 2014-04-23 | 华为技术有限公司 | Phase shifter and array antenna |
| CN103746156B (en) * | 2014-01-14 | 2017-02-22 | 华为技术有限公司 | Phase shifter and array antenna |
| EP3096393A1 (en) * | 2015-05-22 | 2016-11-23 | Kathrein Werke KG | Difference phase slider assembly |
| CN108475834A (en) * | 2015-12-29 | 2018-08-31 | 华为技术有限公司 | Phase shifter, antenna and wireless telecom equipment |
| CN108475834B (en) * | 2015-12-29 | 2020-01-03 | 华为技术有限公司 | Phase shifter, antenna and wireless communication device |
| US10741898B2 (en) | 2015-12-29 | 2020-08-11 | Huawei Technologies Co., Ltd. | Phase shifter having arc-shaped phase delay lines on opposite sides of a PCB which are adjusted by slidable parts, an antenna, and radio communications device formed therefrom |
| CN106159385A (en) * | 2016-08-17 | 2016-11-23 | 广东晖速通信技术股份有限公司 | A kind of series-parallel phase shifter |
| CN106159385B (en) * | 2016-08-17 | 2020-04-10 | 广东晖速通信技术股份有限公司 | Series-parallel phase shifter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102369631B (en) | 2013-12-04 |
| WO2012106903A1 (en) | 2012-08-16 |
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