CN203760595U - Phase shifter for electrically adjustable base station antenna - Google Patents
Phase shifter for electrically adjustable base station antenna Download PDFInfo
- Publication number
- CN203760595U CN203760595U CN201420037555.9U CN201420037555U CN203760595U CN 203760595 U CN203760595 U CN 203760595U CN 201420037555 U CN201420037555 U CN 201420037555U CN 203760595 U CN203760595 U CN 203760595U
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- CN
- China
- Prior art keywords
- phase shifter
- dieelctric sheet
- slide plate
- plate
- base station
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- 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.)
- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 17
- 230000033001 locomotion Effects 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010295 mobile communication Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 3
- 230000008859 change Effects 0.000 description 15
- 230000010363 phase shift Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The utility model can be applied to the field of mobile communication base station antennas and radio frequency, and provides a phase shifter for an electrically adjustable base station antenna. The phase shifter for an electrically adjustable base station antenna comprises an upper substrate, a lower substrate and a sliding mechanism. The sliding mechanism is arranged between the upper substrate and the lower substrate; the sliding mechanism comprises at least one sliding plate and a medium plate; the medium plate comprises an upper medium plate and a lower medium plate; the sliding plate is provided with at least two sliding grooves; the medium plate is arranged in a penetrating and sliding mode in the sliding grooves via at least two nested columns; at least two fixing pieces are arranged in a penetrating mode in the sliding plate; the phase shifter also comprises at least one guiding column; the guiding column is fixed on the lower substrate; the medium plate is provided with a guiding groove; the guiding column is arranged in a penetrating mode in the guiding groove of the lower medium plate; a feed network is arranged on the lower substrate; and the medium plate moves in the plane space of the feed network surface. Thus, the phase shifter for an electrically adjustable base station antenna has the effects of no nonlinear electrical connection point and excellent intermodulation characteristics.
Description
Technical field
The utility model relates to antenna of mobile communication base station and RF application, relates in particular to the phase shifter that a kind of electricity is adjusted antenna for base station.
Background technology
Phase shifter is to be applied to the critical component that electricity is adjusted antenna for base station, can change the beam scanning angle of array antenna, i.e. angle of declination, so electrical tilt antenna can, by adjusting the phase shift position of phase shifter, change the coverage of antenna beam flexibly.
In principle, being applied to electricity adjusts the passive phase shifter of antenna for base station to have two kinds of methods to realize, the one, in feeder line, insert the method for medium, in the process of electromagnetic transmission, the medium inserting can change the dielectric constant of transmission medium, thereby change electromagnetic wavelength, be equivalent to the variation of electromagnetic wave stroke, be i.e. the variation of current feed phase.This method realizes simple, but due to the introducing of medium, can cause changes in amplitude that feeder line is larger and larger insertion loss.
The 2nd, change the length of feeder line, increase or reduce the length of feeder line, namely directly increase or reduce electromagnetic stroke, thereby reaching the variation of current feed phase.Use this phase-moving method, feeder line changes in amplitude is little, insertion loss is little, but some implementation method can make amount of phase shift nonlinear change, and structure realizes more complicated.
In summary, in actual use, obviously there is inconvenience and defect in prior art, so be necessary to be improved.
Utility model content
For above-mentioned defect, the purpose of this utility model is to provide a kind of electricity to adjust the phase shifter of antenna for base station, its be there is good intermodulation characteristic, larger amount of phase shift, band limits is 1710-2700MHz, less changes in amplitude, the high dielectric constant phase shifter of amount of phase shift linear change.
To achieve these goals, the utility model provides a kind of electricity to adjust the phase shifter of antenna for base station, a kind of electricity is adjusted the phase shifter of antenna for base station, it is characterized in that, comprise upper substrate, infrabasal plate and a slide mechanism, and described slide mechanism is arranged between described upper substrate and described infrabasal plate, described slide mechanism comprises at least one slide plate and dieelctric sheet, described dieelctric sheet comprises dieelctric sheet, lower dieelctric sheet, at least two chutes of described slide plate setting, described dieelctric sheet wears and slides in described chute by least two nested posts, at least two fixtures are set and are arranged in described slide plate,
Described phase shifter is also provided with at least one lead, and described lead is fixed on described infrabasal plate, and described dieelctric sheet is provided with gathering sill, and described lead is arranged in the described gathering sill of described lower dieelctric sheet; Be provided with feeding network on described infrabasal plate, described dieelctric sheet moves at the plane space on described feeding network surface.
According to phase shifter described in the utility model, the described chute of described slide plate comprises two translots, two skewed slots, described slide plate both sides two the described translots that be arranged in parallel, in every described translot, wear a described fixture, the middle part of described slide plate is also provided with two described skewed slots and separates described translot, and described slide plate one side is provided with reference column; Described upper dieelctric sheet is detachable connection with described lower dieelctric sheet.
According to phase shifter described in the utility model, described upper dieelctric sheet connects by two described nested column sleeves with described lower dieelctric sheet, and described nested post slides and is arranged in two described skewed slots of described slide plate.
According to phase shifter described in the utility model, described fixture comprises pin, cushion cover, described pin and the socket of described cushion cover.
According to phase shifter described in the utility model, the direction of motion of described slide plate is vertical with the direction of motion of described dieelctric sheet.
According to phase shifter described in the utility model, the described reference column on described slide plate is also provided with barb on one side, and described dieelctric sheet can connect a pull bar by described reference column, described barb, and described pull bar connects a plurality of described phase shifters by described reference column.
According to phase shifter described in the utility model, described feeding network is metal material.
According to phase shifter described in the utility model, the material of described dieelctric sheet is high-k plastics or pottery.
According to phase shifter described in the utility model, the working frequency range scope of described phase shifter is 1710～2700MHz.
According to phase shifter described in the utility model, described lead is screwed onto on described infrabasal plate.
Electricity described in the utility model adjusts the phase shifter of antenna for base station according to the phase-shift theory design of inserting medium method, without non-linear electric connection point, has good intermodulation characteristic; Accurate structural design, makes driving error little, and the precision that has a down dip is high, and guarantees that transmission is smooth and easy; Dieelctric sheet is used high-k plastics or pottery, can realize larger phase shift range; Special dieelctric sheet shape design has been played very big effect in reduction changes in amplitude; During the linear movement of dieelctric sheet, amount of phase shift is linear change.
Accompanying drawing explanation
Fig. 1 is the schematic appearance that the utility model electricity is adjusted the phase shifter of antenna for base station;
Fig. 2 is the perspective exploded view that the utility model electricity is adjusted the phase shifter of antenna for base station;
Fig. 3 is the dieelctric sheet structural representation that the utility model electricity is adjusted the phase shifter of antenna for base station;
Fig. 4 is the skateboard schematic diagram that the utility model electricity is adjusted the phase shifter of antenna for base station.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The phase shifter that the utility model provides a kind of electricity to adjust antenna for base station, object is to realize without non-linear electric connection point, driving error is little, the precision that has a down dip is high, can realize larger phase shift range, and during the linear movement of dieelctric sheet, amount of phase shift is linear change.
For achieving the above object, the utility model provides a kind of electricity to adjust the phase shifter of antenna for base station, as shown in Figure 1, comprise upper substrate 1, infrabasal plate 2 and a slide mechanism, and described slide mechanism is arranged between upper substrate 1 and infrabasal plate 2, described slide mechanism comprises at least one slide plate 5 and dieelctric sheet 4, dieelctric sheet 4 comprises dieelctric sheet, lower dieelctric sheet, slide plate 5 arranges at least two chutes, dieelctric sheet 4 wears and slides in described chute by two nested posts, two fixtures is set and is arranged in slide plate 5;
Described phase shifter is also provided with a lead 7, and lead 7 is fixed on infrabasal plate 2, and dieelctric sheet 4 is provided with gathering sill 11, and lead 7 is arranged in the gathering sill 11 of described lower dieelctric sheet; Be provided with feeding network 3 on infrabasal plate 2, dieelctric sheet 4 moves at the plane space on feeding network 3 surfaces.Dieelctric sheet 4 can be followed slide plate 5 motions from feeding network 3 border continuous movings until dieelctric sheet 4 moves to the end of the described chute of slide plate 5, between described upper dieelctric sheet and described lower dieelctric sheet, can hold feeding network 3.
Further, the described chute of slide plate 5 comprises two translots 12, two skewed slots 13, and slide plate 5 both sides two translots 12 that be arranged in parallel, wear a fixture 6 in every translot 12, the middle part of slide plate 5 is also provided with two described skewed slots 13 and separates translot 12, and slide plate 5 one sides are provided with reference column 15.
Described upper dieelctric sheet is detachable connection with described lower dieelctric sheet, the described upper dieelctric sheet that is more preferably dieelctric sheet 4 connects by described nested column sleeve with described lower dieelctric sheet, described nested post has two, in Fig. 3, nested bolt 9 forms described nested post with nested cylinder 10, and described nested post is arranged in respectively in two skewed slots 13 of slide plate 5.As shown in Figure 2, further, fixture 6 is fixed on infrabasal plate 2, and is located in the translot 12 of slide plate 5.
The described nested post that connects described upper dieelctric sheet and described lower dieelctric sheet is through in the skewed slot 13 of slide plate 5, and lead 7 is fixed on infrabasal plate 2, and is located in the gathering sill 11 of center of described lower dieelctric sheet of dieelctric sheet 4.The driving-belt moving medium sheet 4 of slide plate 5 vertically moves with respect to self.Translot 12 on slide plate 5 and fixture 6 limit the motion track of slide plates 5, and the skewed slot 13 of slide plate 5 moves with the described nested cornice moving medium sheet 4 of dieelctric sheet 4, and the gathering sill 11 of the center position on lead 7 and dieelctric sheet 4 guarantees the rectilinear motion of dieelctric sheets 4.
As shown in Figure 3, nested bolt 9 is that two dieelctric sheets 4 are nested together with the effect of nested cylinder 10, and constant spacing, is through the motion of the Sports band moving medium sheet 4 that makes slide plate 5 in slide plate 5 simultaneously.The effect of gathering sill 11 and lead 7 is the rectilinear motions that guarantee dieelctric sheet 4, and feeding network 3 one sides are vertical with gathering sill 11 directions.
In Fig. 4, fixture 6 comprises pin, cushion cover, described pin and the socket of described cushion cover, being more preferably fixture 6 is plastic fixtures, can be continuously connected fastener, and for the fixing plastics cushion cover 8 of feeding network 3, in Fig. 4, slide plate 5 can be realized with plastics, in the translot 12 on slide plate 5, is installed with fixture 6, and the length of translot 12 has determined the range of movement of slide plate 5.In skewed slot 13, be installed with the nested post of dieelctric sheet 4, the angle of inclination of skewed slot 13 and length, determined the moving range of dieelctric sheet 4.Under the restriction of translot 12, skewed slot 13, when described slide plate 5 setting in motion, the direction of motion of slide plate 5 is vertical with the direction of motion of dieelctric sheet 4.
Displacement linear change in the moving process of dieelctric sheet 4, dieelctric sheet 4 can block feeding network 3 gradually, thereby can to realize amount of phase shift during mobile in feeding network 3 of dieelctric sheet 4 be that linear change is more preferably, the material of dieelctric sheet 4 is high-k plastics or pottery, dielectric constant is 9.0 left and right, can realize large-scale phase-shift phase and change, and feeding network 3 is metal materials, the working frequency range scope of described phase shifter is 1710～2700MHz.
Reference column on slide plate 5 15 is also provided with barb 14 on one side, and dieelctric sheet 4 can connect a pull bar by reference column 15, barb 14, and described pull bar connects a plurality of described phase shifters by reference column 15.The effect of barb 14 is that dieelctric sheet 4 is through on pull bar, prevents from coming off.The effect of reference column 15 is that described pull bar pulls slide plate 5 to move by the described pull bar of being fixed on of dieelctric sheet 4, and a plurality of described phase shifters play phase shift effect in a complete secondary feeding network, makes antenna pattern obtain the desirable effect that has a down dip.
The utility model electricity adjusts the assemble sequence of the phase shifter of antenna for base station to be: one, lead 7 is fixed on infrabasal plate 2; Two, assembling plastics cushion cover 8 and feeding network 3; Three, slide plate 5 is placed on to the centre of two dieelctric sheets 4, and two dieelctric sheets 4 are nested together; Four, the cushion cover of fixture 6 is fixed on infrabasal plate 2; Five, the assembly having installed is placed on well on the cushion cover of fixture 6 according to position, hole correspondence; Six, the translot through slide plate 5 by the continuously connected fastener of fixture 6, and pierce in the cushion cover of fixture 6; Seven, the installation of last upper substrate 1 can be screwed.
In sum, in the phase shifter of the utility model electricity tune antenna for base station, each slide mechanism medium sheet has upper and lower two, by the nested post on dieelctric sheet, nest together, in two dieelctric sheets, slide plate is housed, plastic fixtures is through in the translot of slide plate, make slide plate movable within the specific limits, the nested post of dieelctric sheet is through in the skewed slot of slide plate, the movement of the moving belt moving medium sheet of slide plate in feeding network.Feeding network is metal material, with plastics cushion cover, is fixed on infrabasal plate.When the movement of slide plate is moved dieelctric sheet, there is change in transmission medium, originally be that the transmission medium of air is due to the intervention of dieelctric sheet, there is change in dielectric constant, thereby changed the wavelength of signal transmission, be the corresponding change of transmission distance of signal, the phase place of signal changes immediately, reaches the effect of phase shift.
Certainly; the utility model also can have other various embodiments; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. an electricity is adjusted the phase shifter of antenna for base station, it is characterized in that, comprise upper substrate, infrabasal plate and a slide mechanism, and described slide mechanism is arranged between described upper substrate and described infrabasal plate, described slide mechanism comprises at least one slide plate and dieelctric sheet, and described dieelctric sheet comprises dieelctric sheet, lower dieelctric sheet, at least two chutes of described slide plate setting, described dieelctric sheet wears and slides in described chute by least two nested posts, at least two fixtures is set and is arranged in described slide plate;
Described phase shifter is also provided with at least one lead, and described lead is fixed on described infrabasal plate, and described dieelctric sheet is provided with gathering sill, and described lead is arranged in the described gathering sill of described lower dieelctric sheet; Be provided with feeding network on described infrabasal plate, described dieelctric sheet moves at the plane space on described feeding network surface.
2. phase shifter according to claim 1, it is characterized in that, the described chute of described slide plate comprises two translots, two skewed slots, described slide plate both sides two the described translots that be arranged in parallel, in every described translot, wear a described fixture, the middle part of described slide plate is also provided with two described skewed slots and separates described translot, and described slide plate one side is provided with reference column; Described upper dieelctric sheet is detachable connection with described lower dieelctric sheet.
3. phase shifter according to claim 2, is characterized in that, described upper dieelctric sheet connects by two described nested column sleeves with described lower dieelctric sheet, and described nested post slides and is arranged in two described skewed slots of described slide plate.
4. phase shifter according to claim 2, is characterized in that, described fixture comprises pin, cushion cover, described pin and the socket of described cushion cover.
5. phase shifter according to claim 2, is characterized in that, the direction of motion of described slide plate is vertical with the direction of motion of described dieelctric sheet.
6. phase shifter according to claim 2, it is characterized in that, described reference column on described slide plate is also provided with barb on one side, and described dieelctric sheet can connect a pull bar by described reference column, described barb, and described pull bar connects a plurality of described phase shifters by described reference column.
7. phase shifter according to claim 1, is characterized in that, described feeding network is metal material.
8. phase shifter according to claim 1, is characterized in that, the material of described dieelctric sheet is high-k plastics or pottery.
9. phase shifter according to claim 1, is characterized in that, the working frequency range scope of described phase shifter is 1710～2700MHz.
10. phase shifter according to claim 1, is characterized in that, described lead is screwed onto on described infrabasal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037555.9U CN203760595U (en) | 2014-01-21 | 2014-01-21 | Phase shifter for electrically adjustable base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037555.9U CN203760595U (en) | 2014-01-21 | 2014-01-21 | Phase shifter for electrically adjustable base station antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760595U true CN203760595U (en) | 2014-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037555.9U Expired - Fee Related CN203760595U (en) | 2014-01-21 | 2014-01-21 | Phase shifter for electrically adjustable base station antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760595U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201440A (en) * | 2014-08-21 | 2014-12-10 | 摩比天线技术（深圳）有限公司 | Dielectric phase shifter of base station electric tunable antenna |
| US11456514B2 (en) | 2019-03-20 | 2022-09-27 | Nokia Solutions And Networks Oy | Apparatus for processing radio frequency signals |
-
2014
- 2014-01-21 CN CN201420037555.9U patent/CN203760595U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201440A (en) * | 2014-08-21 | 2014-12-10 | 摩比天线技术（深圳）有限公司 | Dielectric phase shifter of base station electric tunable antenna |
| US11456514B2 (en) | 2019-03-20 | 2022-09-27 | Nokia Solutions And Networks Oy | Apparatus for processing radio frequency signals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20220121 |