CN203596399U - Phase shifter - Google Patents
Phase shifter Download PDFInfo
- Publication number
- CN203596399U CN203596399U CN201320744519.1U CN201320744519U CN203596399U CN 203596399 U CN203596399 U CN 203596399U CN 201320744519 U CN201320744519 U CN 201320744519U CN 203596399 U CN203596399 U CN 203596399U
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- Prior art keywords
- phase shifter
- cavity
- component
- fixed
- transmission circuit
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Abstract
The utility model provides a phase shifter, comprising a base plate, a cover plate and a lateral wall plate, the lateral wall plate being in connection with the base plate and the cover plate to form a cavity; and a transmission circuit board installed in the cavity, and characterized by also comprising a transmission assembly arranged in the cavity and located above the transmission circuit board. The transmission assembly comprises a plurality of support units connected end to end; two ends of each support unit in connection with adjacent support units are respectively provided with an inserting terminal and an accepting terminal; the inserting terminal inserts into the accepting terminal of an adjacent support unit. The support unit also comprises symmetrical fixing members perpendicular to connection directions and extending horizontally; sliding medium blocks fixed under the fixing members, wherein the transmission assembly drives the sliding medium blocks to move when moving longitudinally along the cavity; and a plurality of fixing medium blocks located above the transmission assembly and fixed to the transmission circuit board. The phase shifter can realize antenna big downdip and meanwhile guarantee stable directional diagrams and has the characteristics of small insertion loss, easy assembling, convenient installation and large phase shift scope.
Description
[technical field]
The utility model relates to antenna of mobile communication base station field, relates in particular to the core component of electric tuning antenna of base station: phase shifter.
[background technology]
In present mobile communication network, in order to improve message capacity and the communication quality of system, base station site is more and more, and cell coverage area is more and more less.This brings series of problems simultaneously, as co-channel interference, area covered, covering overlapping area is large, cutting off rate is high, soft switching ratio is high etc.In order effectively to improve these problems, the gapless uniform fold of signal and the phase mutual interference reducing between base station become the major issue that common carrier is considered.Just need us that the antenna pattern characteristic of antenna is reasonably set by adjusting antenna beam angle of declination and azimuth and address these problems.
Existing antenna beam angle of declination adjustment technology comprises mechanical tilt and electrical down-tilting.When antenna mechanical tilt angle is greater than antenna vertical plane lobe width one half, antenna horizontal radiation pattern is progressively splayed configuration distortion, and main coverage direction is shunk, and edges cover is shunk less, causes overlapping region, each sector larger; And regulate the angle of mechanical tilt antenna need to close whole base station, then go up tower manual adjustments, very bother and danger.And adopt antenna horizontal plane coverage when electrical down-tilting to shrink evenly, and can effectively control edge and backward radiation, be conducive to the accurate covering of community, and fitting operation is simple and easy.
In practical application, along with tilted angle of antenna is increasing, the advantage of electrical tilt antenna is more and more obvious.Particularly, after mechanical antenna downtilt 15 degree, antenna pattern shape changes very large, thereby needs a kind of electrical tilt antenna, enables to keep antenna pattern stable in the situation that of large angle of declination, thereby improves message capacity and the communication quality of system.
And phase shifter is phased antenna most important part except radiating element, reflecting plate, feeding network, regulate the variation of feeding network phase place for antenna for base station, thereby change the phase place of each or one group of radiating element, reach the object that changes vertical plane wave beam inclination angle or horizontal plane beam angle.Traditional flat phase shifter can not be realized simple oscialltor phase shift conventionally, and large not, the moulding difficulty of phase shift range, just need to be again moulding in the time that oscillator element number changes, and seal is bad in addition, and energy loss is large.Therefore, need a kind of stable performance, reliable in structure badly, be easy to assembling, easy for installation, phase shift range is large, the phase shifter that Insertion Loss scope is little, can realize having a down dip greatly of antenna and guarantee that directional diagram is stable simultaneously.
[utility model content]
An object of the present utility model is to provide a kind of large and little phase shifter of Insertion Loss scope of assembling, easy for installation, phase shift range that is easy to, and the wide-angle that can realize antenna has a down dip and guarantees that directional diagram is stable simultaneously.The phase shifter that the utility model provides comprises: base plate, cover plate and outside wallboard, and described outside wallboard connects described base plate and cover plate and forms a cavity; Be installed on the transmission circuit plate of described inside cavity, described transmission circuit plate is fixed on described base plate; It is characterized in that, also comprise the transmission component that is arranged in cavity and is positioned at transmission circuit plate top, described transmission component comprises some connected carrier units in turn, described carrier unit is provided with connection end with the two ends that adjacent stent unit is connected, one end is for inserting termination, one end is for accommodating termination, and the termination of accommodating of adjacent stent unit is inserted in described insertion termination, and described carrier unit also comprises the fixed component stretching out perpendicular to closure symmetry and level; Some corresponding slip medium blocks that are fixed on described fixed component below one by one, when described transmission component vertically moves along described cavity, drive described slip medium block position that continuity occurs and change; Be positioned on described transmission component, be fixed on some mounting medium pieces of described transmission circuit plate, the corresponding mounting medium piece of slip medium block of every a pair of symmetry.
As a kind of preferred version, described base plate comprises some bottom deck assemblies, and described outside wallboard comprises some lateral wall board components, and described bottom deck assembly and the lateral wall board component corresponding with it are one-body molded, form shell insert, some shell insert are connected by the mode of pegging graft.
As a kind of preferred version, the corresponding oscillator unit of shell insert described in each, the corresponding pair of sliding medium block of shell insert described in each, the corresponding carrier unit of shell insert described in each.
As a kind of preferred version, the two ends that described outside wallboard stretches out at described transmission component are provided with transmission component and stretch out hole and cableway; The insertion termination at described transmission component two ends and accommodate termination and stretch out hole from described transmission component and stretch out, after described cavity closure, the part that pulls described transmission component to stretch out outside hole can drive described slip medium block to move.
As a kind of preferred version, the upper surface of described transmission circuit plate is provided with some and described slip medium block U-shaped hole one to one.
As a kind of preferred version, described fixed component lower surface is to the pin that has some diameters and equal described U-shaped hole width, described slip medium block is provided with some fixing holes, described pin couples together slip medium block and described fixed component through corresponding described fixing hole, and described pin ends exceeds described fixing hole, be absorbed in described U-shaped hole.
As a kind of preferred version, described mounting medium piece comprises the sidewall that upper plate is relative with two, and described upper plate and described sidewall interconnect, and forms a cavity.
As a kind of preferred version, described mounting medium piece buckles the fixed component of described a pair of symmetry and corresponding described slip medium block in the described cavity forming at described mounting medium piece, described transmission component is insulation material, described fixed component is an elastic support, described elastic support upper strata is provided with some horizontal curveds folding part, is provided with projection upwards at described kink end; Described projection is close to described upper plate, and the outer ledge of described fixed component is close to described sidewall, and limiting described slip medium block can only move left and right along the opening direction of described mounting medium piece.
As a kind of preferred version, described mounting medium piece, transmission circuit plate are fixed by screws on base plate, and described cover plate is fixed by screws on the wallboard of described outside.
As a kind of preferred version, described transmission circuit plate is axially symmetric structure, two different polarization of respective antenna.
[accompanying drawing explanation]
Fig. 1 is the explosive view of the phase shifter that provides of the utility model one example;
Fig. 2 is the cover plate scheme of installation of the phase shifter that provides of the utility model one example;
Fig. 3 is the part scheme of installation (omitting transmission circuit plate and part transmission component) of the phase shifter that provides of the utility model one example;
Fig. 4 is transmission component and the transmission circuit plate annexation schematic diagram of the phase shifter that provides of the utility model one example;
Fig. 5 is the transmission component scheme of installation of the phase shifter that provides of the utility model one example.
[embodiment]
With reference to figure 1-Fig. 5, the present embodiment provides a kind of phase shifter of Unit five, should be noted that the utility model is not limited to Unit five, can be used for the antenna of any amount unit, and the five unit phase shifters of the present embodiment use for illustrative purposes only.This phase shifter comprises interconnective base plate 10 and outside wallboard 20, cover plate 70, transmission circuit plate 30, transmission component 50, mounting medium piece 60, slip medium block 40 and some screws for being connected.
The phase shifter of the Unit five that provide in the present embodiment is made up of 5 shell insert 1429.It should be noted that, in order to guarantee the closure of whole phase shifter, bottom deck assembly 14 in the middle of being positioned at the bottom deck assembly 14 at phase shifter two ends and lateral wall board component 29 and being positioned at and lateral wall board component 29 can be identical can be also not identical, to place the lateral wall board component 29 that is provided with transmission component and stretches out hole 26 and cableway 28.The object that shell is divided into some shell insert 1429 is, in the time that unit number changes, can meet the needs of by the quantity that increases, reduces shell insert, has saved again needed time of plastotype and cost, uses more convenient.
Fixed component 52 is an elastic support, and elastic support upper strata is provided with some horizontal curveds folding part 522, is provided with projection 524 upwards at horizontal curved folding part 522 ends.Mounting medium piece 60 is positioned on transmission component 50, is fixed on transmission circuit plate 30 the slip medium block 40 of each mounting medium piece 60 corresponding a pair of symmetry.Mounting medium piece 60 comprises the sidewall 68 that upper plate 66 is relative with two, and upper plate 66 interconnects with sidewall 68, forms a housing.
What projection 524 was set is for be installed on transmission circuit plate 30 and base plate 10 when mounting medium piece 60 after, projection 524 arrives to the inner surface of the upper plate 66 of mounting medium piece 60, now horizontal curved folding part 522 is corresponding bends, to make this phase shifter structure compactness, fixed component 52 and corresponding slip medium block thereof are not moved up and down within mounting medium piece 40, guarantee the stability of phase shifter.
The two ends that outside wallboard 20 stretches out at transmission component 50 are provided with transmission component and stretch out hole 26 and cableway 28; The insertion termination 562 at transmission component 50 two ends and accommodate termination 564 and stretch out hole 26 from transmission component respectively and stretch out, after cavity closure, can stretch out insertion termination 562/ beyond hole 26 and accommodate termination 564 and drive slip medium block 40 to move by controlling transmission component.
The upper surface of transmission circuit plate 30 is provided with some and slip medium block U-shaped hole 32 one to one.
Fixed component 52 lower surfaces are provided with some diameters and equal the pin 54 of U-shaped hole 32 width, slip medium block 40 is provided with some fixing holes 42, pin 54 couples together slip medium block 40 and fixed component 52 through corresponding fixing hole 42, and pin 54 ends exceed fixing hole 42, the part exceeding is absorbed in U-shaped hole 32; In the time that transmission component 50 drives slip medium block 40 to move, the pin that exceeds fixing hole 42 54 on same slip medium block 40 is interior in U-shaped hole 32 to slide along U-shaped hole 32, and slip medium block 40 is close to transmission circuit plate 30 surface slidings.
Mounting medium piece 60, transmission circuit plate 30 are screwed on base plate, and described cover plate is fixed by screws on the wallboard of described outside.
Mounting medium piece 60 and transmission component 50 are insulation material, and cover plate 70, base plate 10 and outside wallboard 20 are metal material.
The length in U-shaped hole 32 defines the displacement of transmission component 50, also just defines the amount of shifting to of the present invention.In the time that transmission component 50 pulls out, the electrical length of circuit increases, and the phase place of the each oscillator of antenna successively order multiple relation postpones, antenna downtilt.The phase shifter that the utility model provides, is integrated into phase shifter in cavity, has reduced energy loss, has reduced external interference, has improved the entire gain of antenna, and the external structure of cavity is more simple, is convenient to install.Adopt the scheme of simple oscialltor phase shift, can carry out accurate phase shift to each oscillator unit in antenna, the amplitude distribution of each oscillator unit is also more accurate, is convenient to realize the strict demand of the each index of directional diagram.Each oscillator unit adopted to independent and sliceable carrier unit 56, be convenient to carry out in the time of oscillator number of variations arbitrarily assembled, saved again moulding trouble, more practical, convenient.
For the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a phase shifter, comprising:
Base plate, cover plate and outside wallboard, described outside wallboard connects described base plate and cover plate and forms a cavity;
Be installed on the transmission circuit plate of described inside cavity, described transmission circuit plate is fixed on described base plate;
It is characterized in that, also comprise the transmission component that is arranged in cavity and is positioned at transmission circuit plate top, described transmission component comprises some connected carrier units in turn, the end of two adjacent carrier units is connected to each other, and wherein an end is for inserting termination, the other end is for accommodating termination, and the termination of accommodating of adjacent stent unit is inserted in described insertion termination, and described carrier unit also comprises the fixed component stretching out perpendicular to closure symmetry and level;
Some corresponding slip medium blocks that are fixed on described fixed component below one by one, when described transmission component vertically moves along described cavity, drive described slip medium block position that continuity occurs and change;
Be positioned on described transmission component, be fixed on some mounting medium pieces of described transmission circuit plate, the corresponding mounting medium piece of slip medium block of every a pair of symmetry.
2. phase shifter according to claim 1, it is characterized in that, described base plate comprises some bottom deck assemblies, described outside wallboard comprises some lateral wall board components, described bottom deck assembly and the lateral wall board component corresponding with it are one-body molded, form shell insert, some shell insert connect in turn by the mode of pegging graft.
3. phase shifter according to claim 2, is characterized in that, the corresponding oscillator unit of shell insert described in each, the corresponding pair of sliding medium block of shell insert described in each, the corresponding carrier unit of shell insert described in each.
4. phase shifter according to claim 1, is characterized in that, the two ends that described outside wallboard stretches out at described transmission component are provided with transmission component and stretch out hole and cableway; The insertion termination at described transmission component two ends and accommodate termination and stretch out hole from described transmission component and stretch out, after described cavity closure, the part that pulls described transmission component to stretch out outside hole can drive described slip medium block to move.
5. phase shifter according to claim 4, is characterized in that, the upper surface of described transmission circuit plate is provided with some and described slip medium block U-shaped hole one to one.
6. phase shifter according to claim 5, it is characterized in that, described fixed component lower surface is to the pin that has some diameters and equal described U-shaped hole width, described slip medium block is provided with some fixing holes, described pin couples together slip medium block and described fixed component through corresponding described fixing hole, and described pin ends exceeds described fixing hole, be absorbed in described U-shaped hole.
7. phase shifter according to claim 1, is characterized in that, described mounting medium piece comprises the sidewall that upper plate is relative with two, and described upper plate and described sidewall interconnect, and forms a cavity.
8. phase shifter according to claim 7, it is characterized in that, described mounting medium piece buckles the fixed component of described a pair of symmetry and corresponding described slip medium block in the described cavity forming at described mounting medium piece, described transmission component is insulation material, described fixed component is an elastic support, described elastic support upper strata is provided with some horizontal curveds folding part, is provided with projection upwards at described kink end; Described projection is close to described upper plate, and the outer ledge of described fixed component is close to described sidewall, and limiting described slip medium block can only move left and right along the opening direction of described mounting medium piece.
9. phase shifter according to claim 1, is characterized in that, described mounting medium piece, transmission circuit plate are fixed by screws on base plate, and described cover plate is fixed by screws on the wallboard of described outside.
10. phase shifter according to claim 1, is characterized in that, described transmission circuit plate is axially symmetric structure, two different polarization of respective antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744519.1U CN203596399U (en) | 2013-11-21 | 2013-11-21 | Phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744519.1U CN203596399U (en) | 2013-11-21 | 2013-11-21 | Phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203596399U true CN203596399U (en) | 2014-05-14 |
Family
ID=50677261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744519.1U Expired - Fee Related CN203596399U (en) | 2013-11-21 | 2013-11-21 | Phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203596399U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051823A (en) * | 2014-06-06 | 2014-09-17 | 摩比天线技术（深圳）有限公司 | Phase shifter |
| WO2016074592A1 (en) * | 2014-11-11 | 2016-05-19 | 李梓萌 | Adjustable phase shifting device for array antenna and antenna |
| CN106450764A (en) * | 2016-10-20 | 2017-02-22 | 深圳国人通信股份有限公司 | Antenna phase shifter |
| WO2021121421A1 (en) * | 2019-12-20 | 2021-06-24 | 华为技术有限公司 | Beam adjustment assembly and antenna system |
-
2013
- 2013-11-21 CN CN201320744519.1U patent/CN203596399U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051823A (en) * | 2014-06-06 | 2014-09-17 | 摩比天线技术（深圳）有限公司 | Phase shifter |
| WO2016074592A1 (en) * | 2014-11-11 | 2016-05-19 | 李梓萌 | Adjustable phase shifting device for array antenna and antenna |
| CN106450764A (en) * | 2016-10-20 | 2017-02-22 | 深圳国人通信股份有限公司 | Antenna phase shifter |
| WO2021121421A1 (en) * | 2019-12-20 | 2021-06-24 | 华为技术有限公司 | Beam adjustment assembly and antenna system |
| US11955720B2 (en) | 2019-12-20 | 2024-04-09 | Huawei Technologies Co., Ltd. | Beam adjustment assembly and antenna system |
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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: 20140514 Termination date: 20211121 |