CN202797194U - Phase shifter and antenna - Google Patents
Phase shifter and antenna Download PDFInfo
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- CN202797194U CN202797194U CN201220476255.1U CN201220476255U CN202797194U CN 202797194 U CN202797194 U CN 202797194U CN 201220476255 U CN201220476255 U CN 201220476255U CN 202797194 U CN202797194 U CN 202797194U
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Abstract
An embodiment of the utility model discloses a phase shifter and an antenna and relates to the technical field of base station tunable antennae. The phase shifter comprises a rotation arm and an arc arm which is coupled with the rotation arm, an insulating medium is sleeved on the periphery of the arc arm, the arc arm comprises a first strip line, a plurality of first bent fixing pieces are arranged at the outer edge of the first strip line and snapped between an upper casing and a lower casing of the insulating medium, or a plurality of first protruded snapping blocks are arranged at the outer edge of the first strip line and extend into a casing on the side surface of the insulating medium. The antenna is capable of effectively fixing the strip line of the phase shifter and improving electrical performances of the phase shifter.
Description
Technical field
The utility model relates to the electric tuning antenna of base station technical field, the antenna that relates in particular to a kind of phase shifter and use this phase shifter.
Background technology
In the mobile communication, electrical tilt antenna is more and more used with its angle modulation characteristics easily.The operation principle of electrical tilt antenna is the relative phase that changes the radiating element input signal by electric means, thereby realizes the adjustment at downwards bevel beam angle.The phase shifter that changes radiating element input signal relative phase has just become the core component of electrical tilt antenna.Phase shifter has pointed to regulating action to the electrical tilt antenna of base station at the directional diagram of spatial emission, covers the demand in different user zone to satisfy flexible.
At present, the phase shifter that is applied in the electrical tilt antenna mainly contains three types: a kind of is dielectric phase shifter, and by changing the dielectric constant of feeder line material, the change of dielectric constant causes wavelength change, and then causes the variation of feeder line electrical length; The second is the slidingtype phase shifter, and by the mode of sliding, the length that changes feeder line realizes the variation of feeder line electrical length; The third is pointer phase shifter, and it has adopted the T connector that suspends of pointer-type, and along with the rotation of pointer, each output port phase difference of power splitter changes, and each output port connects antenna array element, therefore can change phase difference between each unit.The inventor finds that in research process there is following problem at least in prior art: take the slidingtype phase shifter as example, in the long situation of the arc arm of phase shifter, the band line that suspends is affected by gravity, cause the band line height of phase shifter inconsistent, and then in signals transmission, cause equiva lent impedance to change, affected the electric property of phase shifter.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of phase shifter and antenna, can effectively fix the band line of phase shifter, thereby has improved the electric property of phase shifter.
The application's one side provides a kind of phase shifter, comprising: turning arm and the arc arm that joins with described turning arm coupling, and the outer race of described arc arm is provided with dielectric, and described arc arm comprises the first band line,
The described first outer edge place with line is provided with the first fixture that several have bending, and described the first fixture is stuck between the upper shell and lower house of described dielectric, perhaps,
The described first outer edge with line is provided with the first fixture block of several protrusions, and described the first fixture block extends in the housing of side of described dielectric.
In the possible implementation of the first, above-mentioned arc arm also comprises the second band line, the described second outer edge place with line is provided with the second fixture that several have bending, described the second fixture is stuck between the upper shell and lower house of described dielectric, and towards the opposite towards with described the first fixture of described the second fixture.
In conjunction with the possible implementation of the first, in the possible implementation of the second, when the first fixture that several have bending is set at the described first outer edge place with line, the opposite direction of the bending of the direction of the bending of above-mentioned the second fixture and described the first fixture.
In the third possible implementation, above-mentioned arc arm also comprises the second band line, and the described second outer edge with line is provided with the second fixture block of several protrusions, and described the second fixture block extends in the housing of side of described dielectric.
In conjunction with first aspect, the first or the third possible implementation, in the 4th kind of possible implementation, above-mentioned arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge place with line is provided with several "T"-shaped fixtures, and described "T"-shaped fixture is stuck between the upper shell and lower house of described dielectric.
In conjunction with first aspect, the first or the third possible implementation, in the 5th kind of possible implementation, above-mentioned arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge with line is provided with the 3rd fixture block of several protrusions, and described the 3rd fixture block extends in the housing of side of described dielectric.
In conjunction with first aspect, the first or the third possible implementation, in the 6th kind of possible implementation, above-mentioned arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge place with line is provided with at least two the 3rd fixtures with bending, and has at least the overbending direction of described the 3rd fixture opposite with the overbending direction of other described the 3rd fixture.
In the 7th kind of possible implementation, offer groove on the housing of the side of above-mentioned dielectric, described the first fixture block extends and is fixed in the described groove.
The application provides a kind of antenna on the other hand, comprises above-described phase shifter.
Phase shifter of the present utility model and antenna, by at the first outer edge place with line the first fixture that several have bending being set all, the first fixture block of several protrusions perhaps is set at the first outer edge with line, the effective band line of fixed phase shifter, thus the electric property of phase shifter improved.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the structure of phase shifter among the utility model embodiment;
Fig. 2 is first with the schematic diagram that the first fixture is set on the line among the utility model embodiment;
Fig. 3 is first with the schematic diagram that the first fixture block is set on the line among the utility model embodiment;
Fig. 4 is the schematic diagram that has the arc arm of bilayer zone line structure among the utility model embodiment;
Fig. 5 is the end view that has the arc arm of bilayer zone line structure among the utility model embodiment;
Fig. 6 is the sectional view of "T"-shaped fixture among the utility model embodiment.
Embodiment
The utility model embodiment provides a kind of phase shifter and antenna, the effective band line of fixed phase shifter, thus improved the electric property of phase shifter.
In below describing, in order to illustrate rather than in order limiting, to have proposed the detail such as particular system structure, interface, technology, understand the utility model in order to thoroughly cut.Yet, not it will be clear to one skilled in the art that in having other embodiment of these details and can realize the utility model yet.In other situation, omit the detailed description to well-known device, circuit and method, in order to avoid unnecessary details hinders description of the present utility model.
Present embodiment provides a kind of phase shifter, comprising: turning arm 1 and the arc arm that joins with described turning arm 1 coupling.As a kind of execution mode of the present utility model, as shown in Figure 1, this phase shifter comprises large arc arm 2 and little arc arm 3, large arc arm 2 and little arc arm 3 lay respectively on two concentric circless, and the described concentrically ringed center of circle is four output ports is connected corresponding with the antenna array radiating element respectively of 12, two arc arms of the point of rotation.In addition, present embodiment also applicable to the phase shifter with arc arm of other types, is not done restriction at this.
The below elaborates to content of the present utility model take large arc arm 2 as example.As shown in Figure 1, the outer race of large arc arm 2 is provided with dielectric 4, and its effect is in the situation of the arc size that does not increase large arc arm 2, suitably strengthens the signal strength signal intensity with the line output terminal mouth.Concrete, this dielectric 4 can be that dielectric constant is not less than 2 plastic medium.As shown in Figure 2, large arc arm 2 in the present embodiment comprises the first band line 201, the first outer edge place with line 201 is provided with several the first fixtures 2011 with bending, when making, the first fixture 2011 can be one-body molded with the first band line 201, also can be to be welded to first with the part on the line 201, not do restriction at this.As a kind of execution mode of the present utility model, the first fixture 2011 be shaped as " L " shape or " C " shape.When the first fixture 2011 be shaped as " L " shape the time, the angle of two end faces of the first fixture 2011 is the 60-120 degree; For example: 90 degree, namely the first fixture 2011 end face is positioned at same plane with the first band line 201, and another end face is with line 201 perpendicular to first.The first fixture 2011 is stuck between the upper shell and lower house of described dielectric 4, namely one of them end face of the first fixture 2011 contacts with the upper shell of dielectric 4, the edge of another end face contacts with the lower house of dielectric 4, by the way, the first band line 201 just is fixed in the dielectric 4 firmly, be not subject to the impact of the factors such as gravity and deform, perhaps
As shown in Figure 3, the first outer edge with line 201 the first fixture block 2012, the first fixture blocks 2012 of being provided with several protrusions extend in the housing of side of dielectric 4.As a kind of execution mode of the present utility model, offer groove on the housing of the side of dielectric 4, the first fixture block 2012 extends and is fixed in the groove.When making, the first fixture block 2012 can be one-body molded with the first band line 201, also can be to be welded to first with the part on the line 201, do not do restriction at this.By the way, the first band line 201 can be fixed in the dielectric 4 equally firmly, is not subject to the impact of the factors such as gravity and deforms.
Optionally, the quantity of the first fixture 2011 is 1-5, and each the first fixture 2011 equally spaced first edges with line 201 that are distributed in.For example, when the quantity of the first fixture 2011 was 1, this first fixture 2011 was arranged on the first Along ent place with line 201 place circular arcs.In addition, the first fixture 2011 also can adopt other arrangement mode, is not construed as limiting at this.
Optionally, as shown in Figure 4 and Figure 5, the large arc arm of present embodiment also comprise second the band line 202, namely this large arc arm is the bilayer zone line structure, first with line 201 and second with leaving certain gap between the line 202.As a kind of execution mode of the present utility model, the second outer edge place with line 202 is provided with several the second fixtures 2022 with bending, and the overbending direction of described the second fixture 2022 is opposite with the overbending direction of described the first fixture 2011, described the second fixture 2022 is stuck between the upper shell and lower house of described dielectric 4, namely one of them end face of the second fixture 2022 contacts with the lower house of dielectric 4, the edge of another end face contacts with the upper shell of dielectric 4, by the way, the second band line 202 also is fixed in the dielectric 4 firmly, be not subject to the impact of the factors such as gravity and deform, and can also guarantee that first remains unchanged with the gap length between the line 202 with line 201 and second.
As another execution mode of the present utility model, the second outer edge with line 202 is provided with the second fixture block of several protrusions, and the second fixture block extends in the housing of side of described dielectric.Concrete, offering groove on the housing of the side of dielectric 4, the second fixture block extends and is fixed in the groove.When making, the second fixture block can be one-body molded with the second band line 202, also can be to be welded to second with the part on the line 202, do not do restriction at this.By the way, the second band line 202 can be fixed in the dielectric 4 equally firmly, is not subject to the impact of the factors such as gravity and deforms.
Optionally, the large arc arm 2 of present embodiment also comprises the 3rd band line, the 3rd band line can be one or more, and described the 3rd band line is arranged between described the first band line 201 and described the second band line 202, and all has certain gap with line 201 and second with line 202 with first.
As a kind of execution mode of the present utility model, as shown in Figure 6, the described the 3rd outer edge place with line 203 is provided with several "T"-shaped fixtures 2031, described "T"-shaped fixture 2031 is stuck between the upper shell and lower house of described dielectric 4, the edge of a wherein end that is the parallel portion of "T"-shaped fixture 2031 contacts with the upper shell of dielectric 4, the edge of the other end of parallel portion contacts with the lower house of dielectric 4, the vertical component effect of "T"-shaped fixture 2031 and the 3rd band line parallel join, by the way, the 3rd band line 203 also is fixed in the dielectric 4 firmly, be not subject to the impact of the factors such as gravity and deform, and can also guarantee and first remain unchanged with the gap length between the line 202 with line 201 and second.
As another execution mode of the present utility model, the 3rd outer edge with line is provided with the 3rd fixture block of several protrusions, and described the 3rd fixture block extends in the housing of side of described dielectric.Concrete, offering groove on the housing of the side of dielectric 4, the 3rd fixture block extends and is fixed in the groove.When making, the 3rd fixture block can be one-body molded with the 3rd band line, also can be to be welded to the 3rd with the part on the line, do not do restriction at this.By the way, the 3rd band line can be fixed in the dielectric 4 equally firmly, is not subject to the impact of the factors such as gravity and deforms.
As another execution mode of the present utility model, the 3rd outer edge place with line is provided with at least two the 3rd fixtures with bending, and has at least the overbending direction of described the 3rd fixture opposite with the overbending direction of other described the 3rd fixture.This execution mode can be understood as the distortion of "T"-shaped fixture, and its operation principle does not repeat them here.
Need to prove in addition, the large arc arm of present embodiment can also increase four-tape line, the 5th band line etc. according to actual needs between the first band line 201 and the second band line 202, similar with the 3rd band line, four-tape line and/or the 5th outer edge place with line can be provided with several "T"-shaped fixture, and "T"-shaped fixture is stuck between the upper shell and lower house of described dielectric 4.The situation of above-mentioned expansion is all within protection range of the present utility model.
Optionally, the quantity of the second fixture 2022 or "T"-shaped fixture is 1-5, in addition, the fixture of other quantity can be set according to actual needs also, and present embodiment is not done restriction at this.
Optionally, for guaranteeing the service behaviour of phase shifter, dielectric 4 can be not less than 2 material by the selected introductions electric constant.
Below in conjunction with Fig. 1 the operation principle of phase shifter of the present utility model is elaborated.Turning arm 1 the input signal constant power distribute to four output ports, after turning arm 1 rotates around the point of rotation, keep again the phase place between each output port signal equal difference to change simultaneously.Then signal is divided into two paths of signals from 10 inputs of the first port, respectively along the first branch road 11 and 21 transmission of the second branch road; Signal through the second branch road 21 is exported from the second port 20; Signal through the first branch road 11 continues to arrive forward annulus place, the point of rotation 12 place, and signal divides two-way to transmit forward by the 3rd branch road 13 and the 4th branch road 14 respectively again; Wherein give the arc arm branch road at five-port 50 and six port 60 places at the overlapping place of turning arm and arc arm with Energy Coupling by the signal of the 3rd branch road 13, and be transferred to respectively five-port 50 and the 6th port 60; And after being transferred to forward the overlapping place of turning arm and arc arm through the signal of the 4th branch road 14, Energy Coupling being given on the arc arm at the 3rd port 30 and the 4th port 40 places, and finally arrived the 3rd port 30 and the 4th port 40.After the turning arm at the 3rd branch road 13 and the 4th branch road 14 places centers on the point of rotation 12 rotary machine angle A, four output ports of phase shifter: the 3rd port 30, the 4th port 40, five-port 50 and the 6th port 60, resulting signal phase will change: suppose that the 3rd port 30 signal phases change the B degree, the 4th port 40 signal phase variation-B degree then, five-port 50 signal phases change C degree, the 6th port 60 signal phase variation-C degree.And the signal phase of the second port 20 changes 0 degree, the output phase of phase shifter: B degree, C degree, 0 degree ,-the C degree ,-the B degree, form a specific ordered series of numbers, for example arithmetic progression.Like this in the course of work of phase shifter, by changing angle A, the signal that outputs to each unit of antenna is changed, and then the beam position that makes antenna for base station cover signal certain angle that has a down dip.
The phase shifter of present embodiment, by at the first outer edge place with line the first fixture that several have bending being set all, the effective band line of fixed phase shifter, thus the height with line is remained unchanged.
Present embodiment also provides a kind of antenna, and described antenna comprises above-described phase shifter.The concrete structure of this phase shifter and operation principle do not repeat them here with above-mentioned embodiment.
The phase shifter of the utility model embodiment and antenna, by at the first outer edge place with line the first fixture that several have bending being set all, the first fixture block of several protrusions perhaps is set at the first outer edge with line, the effective band line of fixed phase shifter, thereby the height with line is remained unchanged, improved the electric property of phase shifter.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (10)
1. phase shifter comprises: turning arm and it is characterized in that with arc arm that described turning arm coupling is joined the outer race of described arc arm is provided with dielectric, and described arc arm comprises the first band line,
The described first outer edge place with line is provided with the first fixture that several have bending, and described the first fixture is stuck between the upper shell and lower house of described dielectric, perhaps,
The described first outer edge with line is provided with the first fixture block of several protrusions, and described the first fixture block extends in the housing of side of described dielectric.
2. phase shifter according to claim 1, it is characterized in that, described arc arm also comprises the second band line, and the described second outer edge place with line is provided with the second fixture that several have bending, and described the second fixture is stuck between the upper shell and lower house of described dielectric.
3. phase shifter according to claim 2 is characterized in that, when the first fixture that several have bending is set at the described first outer edge place with line, and the opposite direction of the bending of the direction of the bending of described the second fixture and described the first fixture.
4. phase shifter according to claim 1 is characterized in that, described arc arm also comprises the second band line, and the described second outer edge with line is provided with the second fixture block of several protrusions, and described the second fixture block extends in the housing of side of described dielectric.
5. according to claim 1 and 2 or 4 described phase shifters, it is characterized in that, described arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge place with line is provided with several "T"-shaped fixtures, and described "T"-shaped fixture is stuck between the upper shell and lower house of described dielectric.
6. according to claim 1 and 2 or 4 described phase shifters, it is characterized in that, described arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge with line is provided with the 3rd fixture block of several protrusions, and described the 3rd fixture block extends in the housing of side of described dielectric.
7. according to claim 1 and 2 or 4 described phase shifters, it is characterized in that, described arc arm also includes at least one 3rd band lines, described the 3rd band line is arranged between described the first band line and described the second band line, the described the 3rd outer edge place with line is provided with at least two the 3rd fixtures with bending, and has at least the overbending direction of described the 3rd fixture opposite with the overbending direction of other described the 3rd fixture.
8. phase shifter according to claim 1 is characterized in that, offers groove on the housing of the side of described dielectric, and described the first fixture block extends and is fixed in the described groove.
9. phase shifter according to claim 1 is characterized in that, described the first fixture be shaped as " L " shape or " C " shape.
10. an antenna is characterized in that, described antenna comprises each described phase shifter of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220476255.1U CN202797194U (en) | 2012-09-18 | 2012-09-18 | Phase shifter and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220476255.1U CN202797194U (en) | 2012-09-18 | 2012-09-18 | Phase shifter and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797194U true CN202797194U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220476255.1U Expired - Lifetime CN202797194U (en) | 2012-09-18 | 2012-09-18 | Phase shifter and antenna |
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|---|---|
| CN (1) | CN202797194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422206A (en) * | 2021-06-07 | 2021-09-21 | 华南理工大学 | Antenna, base station and phase-shifting device |
-
2012
- 2012-09-18 CN CN201220476255.1U patent/CN202797194U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422206A (en) * | 2021-06-07 | 2021-09-21 | 华南理工大学 | Antenna, base station and phase-shifting device |
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Granted publication date: 20130313 |
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| CX01 | Expiry of patent term |