CN203733916U - Coupling pointer type phase shifter - Google Patents
Coupling pointer type phase shifter Download PDFInfo
- Publication number
- CN203733916U CN203733916U CN201420062077.7U CN201420062077U CN203733916U CN 203733916 U CN203733916 U CN 203733916U CN 201420062077 U CN201420062077 U CN 201420062077U CN 203733916 U CN203733916 U CN 203733916U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- phase shift
- shift guide
- coupling
- phase shifter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 39
- 230000008878 coupling Effects 0.000 title claims abstract description 38
- 230000010363 phase shift Effects 0.000 claims abstract description 44
- 230000009466 transformation Effects 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model relates to a coupling pointer type phase shifter. The coupling pointer type phase shifter comprises a medium board (1). The coupling pointer type phase shifter is characterized in that the medium board (1) is provided with a first phase shift guide rail (31), a second phase shift guide rail (32), a coupling arm (2), a sliding guide hole groove (4) and an impedance transformation node (6), wherein the sliding guide hole groove (4), the first phase shift guide rail (31) and the second phase shift guide rail (32) are arranged in a concentric arc mode, one end of the coupling arm (2) and one end of the impedance transformation node (6) are fixedly connected with the medium board (1) through a first insulation screw, the other end of the impedance transformation node (6), two ends of the first phase shift guide rail (31) and two ends of the second phase shift guide rail (32) are respectively arranged at a coaxial line grounding welding platform (5) with preset-distance intervals, and the other end of the coupling arm (2) is provided with a second insulation screw (7) which is in sliding matching with the sliding guide hole groove (4). The coupling pointer type phase shifter has a simple structure and can realize electrical downtilt angle adjustment, power assignment and distribution in the TD-LTE frequency range of 2500MHz-2690MHz.
Description
Technical field
The utility model relates to antenna for base station phase shift technology field, especially the pointer phase shifter of a kind of coupling.
Background technology
Along with the development of wireless communication technology, antenna for base station plays vital effect at communication construction, signal on covering, phase shifter is as the vitals of antenna for base station, can effectively realize the dynamic adjustment at antenna for base station downwards bevel beam angle, in the time that wide-angle has a down dip horizontal plane cover undistorted, follow the situations such as cross polarization, effectively improve adjacent sector interference free performance and covering performance.Therefore, phase shifter, as realizing the critical component that regulates continuously lower decline angle, covers and has played important function for improvement, lifting sector signals.
Utility model content
In view of this, the purpose of this utility model is to provide the pointer phase shifter of a kind of coupling, make it be operated in the LTE frequency range of 2500MHz～2690MHz, and can realize power assignment and the distribution function of predetermined design, thereby Sidelobe Suppression and null-fill in lifting, and then improve sector signals and cover, be particularly suitable for regulating continuously the antenna for base station of lower decline angle and power assignment, distribution.
The utility model adopts following scheme to realize: the pointer phase shifter of a kind of coupling, comprise a dielectric-slab (1), it is characterized in that: described dielectric-slab (1) is provided with one first phase shift guide rail (31), one second phase shift guide rail (32), a coupling arm (2), a slip guide hole groove (4) and impedance transformation joint (6), described slip guide hole groove (4), the first phase shift guide rail (31) and the second phase shift guide rail (32) are isocentric circular arc setting, described coupling arm (2) one end is fixedly connected with described dielectric-slab (1) by one first insulation screw with impedance transformation joint (6) one end, described impedance transformation joint (6) other end, the first phase shift guide rail (31) two ends and the second phase shift guide rail (32) two ends preset distance of being separated by is respectively equipped with coaxial line ground connection jig (5), described coupling arm (2) other end is provided with one second insulation screw (7) and is slidably matched with described slip guide hole groove (4).
In the utility model one embodiment, described the first phase shift guide rail (31) is identical with the second phase shift guide rail (32) live width.
In the utility model one embodiment, between described coupling arm (2) and described dielectric-slab (1), be provided with an insulation spacer (8).
In the utility model one embodiment, described coupling arm (2) is connected to elongate in shape by the impedance transformation joint (6) of several different live widths.
In the utility model one embodiment, FR4 copper-clad plate material, F4B copper-clad plate material, Rogers copper-clad plate material or welding sheet metal that described dielectric-slab (1) is one side.
The utility model has the advantage of:
1, simple and reliable for structure, can realize the continuous adjusting of lower decline angle;
2, power assignment and distribution are carried out in design by a certain percentage, thereby reach suppressed sidelobes to promote upper Sidelobe Suppression and null-fill index, and then improve sector signals covering;
3, be operated in 1710MHz～2690MHz frequency range, can be used for the construction of LTE network.
For making the purpose of this utility model, technical scheme and advantage clearer, below will, by specific embodiment and relevant drawings, the utility model be described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model (vertical view).
Fig. 2 is A-A ' profile in Fig. 1.
Fig. 3 is the enlarged diagram of Fig. 2 details.
Illustrate: 1-dielectric-slab, 2-coupling arm, 31-the first phase shift guide rail, 32-the second phase shift guide rail, 4-slip guide hole groove, 5-coaxial line ground connection jig, 6-impedance transformation joint, 7-second screw that insulate, 8-insulation spacer.
Embodiment
As shown in Figure 1 to Figure 3, the utility model provides a kind of coupling pointer phase shifter, comprise a dielectric-slab (1), described dielectric-slab (1) is provided with one first phase shift guide rail (31), one second phase shift guide rail (32), a coupling arm (2), a slip guide hole groove (4) and impedance transformation joint (6), described slip guide hole groove (4), the first phase shift guide rail (31) and the second phase shift guide rail (32) are isocentric circular arc setting, and (slip guide hole groove is arranged at isocentric circular arc outside, the second phase shift guide rail is arranged at isocentric circular arc inner side, between slip guide hole groove and the first phase shift guide rail, there is one first preset distance, between the first phase shift guide rail and the second phase shift guide rail, there is one second preset distance, the first preset distance is less than the second preset distance), described coupling arm (2) one end is fixedly connected with described dielectric-slab (1) by one first insulation screw with impedance transformation joint (6) one end, described impedance transformation joint (6) other end, the first phase shift guide rail (31) two ends and the second phase shift guide rail (32) two ends preset distance of being separated by is respectively equipped with coaxial line ground connection jig (5), described coupling arm (2) other end is provided with one second insulation screw (7) and is slidably matched with described slip guide hole groove (4).
Especially, described the first phase shift guide rail (31) is identical with the second phase shift guide rail (32) live width; Between described coupling arm (2) and described dielectric-slab (1), be provided with an insulation spacer (8) (being respectively equipped with the first insulation spacer and the second insulation spacer between the first insulation screw and the second insulation screw and dielectric layer).Insulation spacer has ensured the coupling distance between coupling arm and dielectric-slab, has ensured the Stability and dependability of coupling feed design.
Described coupling arm (2) is connected to elongate in shape by the impedance transformation joint of a plurality of different live widths, is conducive to widening frequency band; By the live width of tuning multiple impedance transformation joints, the design optimization that electrical length is beneficial to coupling arm, form similar bow and arrow shape with two phase shift guide rails.Feed pattern is the coaxial feeding form forming at the first phase shift guide rail (31), the second phase shift guide rail (32), impedance transformation joint (6) end and coaxial line ground connection jig (5).Described dielectric-slab can be FR4 copper-clad plate material, F4B copper-clad plate material, Rogers copper-clad plate material or the welding sheet metal of one side.
On described dielectric-slab, there are two phase shift guide rails (the first phase shift guide rail (31) and the second phase shift guide rail (32)), for the change of electrical length, and then realize phase shift function; Impedance transformation joint (6) and coupling arm (2), realize power assignment, distribution.Among design, ten yuan of battle array oscillator schemes that adopt according to general antenna for base station, adopt 1 to enter 5 port design that go out; According to the array factor of ten yuan of battle arrays of antenna for base station and the spacing of being separated by, determine when impedance, the size of impedance transformation joint of power division, and be optimized, thereby realize to a certain extent upper Sidelobe Suppression and null-fill, and then improve sector covering.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. the pointer phase shifter of coupling, comprise a dielectric-slab (1), it is characterized in that: described dielectric-slab (1) is provided with one first phase shift guide rail (31), one second phase shift guide rail (32), a coupling arm (2), a slip guide hole groove (4) and impedance transformation joint (6), described slip guide hole groove (4), the first phase shift guide rail (31) and the second phase shift guide rail (32) are isocentric circular arc setting, described coupling arm (2) one end is fixedly connected with described dielectric-slab (1) by one first insulation screw with impedance transformation joint (6) one end, described impedance transformation joint (6) other end, the first phase shift guide rail (31) two ends and the second phase shift guide rail (32) two ends preset distance of being separated by is respectively equipped with coaxial line ground connection jig (5), described coupling arm (2) other end is provided with one second insulation screw (7) and is slidably matched with described slip guide hole groove (4).
2. the pointer phase shifter of a kind of coupling according to claim 1, is characterized in that: described the first phase shift guide rail (31) is identical with the second phase shift guide rail (32) live width.
3. the pointer phase shifter of a kind of coupling according to claim 1, is characterized in that: between described coupling arm (2) and described dielectric-slab (1), be provided with an insulation spacer (8).
4. the pointer phase shifter of a kind of coupling according to claim 1, is characterized in that: described coupling arm (2) is connected to elongate in shape by the impedance transformation joint (6) of several different live widths.
5. the pointer phase shifter of a kind of coupling according to claim 1, is characterized in that: described dielectric-slab (1) is FR4 copper-clad plate material, F4B copper-clad plate material, Rogers copper-clad plate material or the welding sheet metal of one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062077.7U CN203733916U (en) | 2014-02-12 | 2014-02-12 | Coupling pointer type phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062077.7U CN203733916U (en) | 2014-02-12 | 2014-02-12 | Coupling pointer type phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733916U true CN203733916U (en) | 2014-07-23 |
Family
ID=51203963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062077.7U Expired - Lifetime CN203733916U (en) | 2014-02-12 | 2014-02-12 | Coupling pointer type phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616722A (en) * | 2018-11-30 | 2019-04-12 | 江苏省东方世纪网络信息有限公司 | Phase shifter |
| CN111725630A (en) * | 2020-06-23 | 2020-09-29 | Oppo广东移动通信有限公司 | Array antenna assembly, antenna module and electronic equipment |
-
2014
- 2014-02-12 CN CN201420062077.7U patent/CN203733916U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616722A (en) * | 2018-11-30 | 2019-04-12 | 江苏省东方世纪网络信息有限公司 | Phase shifter |
| CN111725630A (en) * | 2020-06-23 | 2020-09-29 | Oppo广东移动通信有限公司 | Array antenna assembly, antenna module and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201887148U (en) | High-performance broadband dual-frequency omnidirectional antenna | |
| CN106654603B (en) | Three-frequency ultra-wide band antenna with base station | |
| CN207624906U (en) | A kind of narrow beam high-gain multiband aerial array and high ferro antenna | |
| CN104022354A (en) | Narrow-spacing low-SAR high-isolation MIMO antenna | |
| CN103682611A (en) | Broadband dual-polarized antenna | |
| CN203826542U (en) | Broadband dual polarization radiation unit and antenna | |
| CN103956564A (en) | Bandwidth dual-polarization radiating element and antenna | |
| CN104919647B (en) | A kind of tunable coupling device and frequency communication devices | |
| CN202275941U (en) | Printed type antenna and mobile communication device | |
| CN105006650A (en) | Dual-polarization base station antenna based on photonic crystals | |
| CN204538253U (en) | Dual-band antenna | |
| CN203733916U (en) | Coupling pointer type phase shifter | |
| CN206931712U (en) | Earth plate and the double shaped grooved tri-band antennas of radiation patch | |
| CN104993245A (en) | S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof | |
| CN204375976U (en) | A kind of low section pectination network array antenna for base station | |
| CN203631729U (en) | Radiation unit of broadband dual-polarized antenna | |
| CN203071229U (en) | Novel LTE wall-mounted antenna | |
| CN204885426U (en) | Multiple -input -multiple -output antenna structure and terminal | |
| CN101505003B (en) | Horizontal omnidirectional planar printed antenna | |
| CN204885441U (en) | Double polarization base station antenna based on photonic crystal | |
| CN203562508U (en) | Printed board type miniaturized ultra-wide-band LTE directional antenna | |
| CN105514581B (en) | A kind of ultrabroad band all-around top absorbing antenna | |
| CN201994427U (en) | Vertical/horizontal dual-polarization directional platy antenna | |
| CN206211018U (en) | A kind of multi-antenna terminal | |
| CN203180052U (en) | Elliptical oscillator ultra-wideband antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |