CN106450596A - Ultra wideband and low frequency electricity adjustment cavity phase shifter and base station antenna - Google Patents
Ultra wideband and low frequency electricity adjustment cavity phase shifter and base station antenna Download PDFInfo
- Publication number
- CN106450596A CN106450596A CN201610852804.3A CN201610852804A CN106450596A CN 106450596 A CN106450596 A CN 106450596A CN 201610852804 A CN201610852804 A CN 201610852804A CN 106450596 A CN106450596 A CN 106450596A
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- China
- Prior art keywords
- metal
- phase shifter
- drive link
- ultra
- frequency electrical
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention provides an ultra wideband and low frequency electricity adjustment cavity phase shifter which comprises a metal cavity with a metal matching circuit and a plurality of cable welding holders; an upper cover arranged on the metal cavity to have the metal cavity sealed; a first transmission rod arranged under the bottom face and extending in the length direction of the phase shifter; and one or a plurality of phase shifter unit(s) arranged in the metal cavity, each phase shifter unit including a U shaped metal sliding rod, a pair of parallel metal connection rods and a second transmission rod. The positions of the parallel metal connection rods are fixed and the second transmission rod is connected respectively with the first transmission rod and the U shaped metal sliding rod. The U shaped metal sliding rod is aligned with the parallel metal connection rods and through the U shaped metal sliding rod's going in and out of the parallel metal connection rods, phase shifting occurs. The ultra wideband and low frequency electricity adjustment cavity phase shifter of the invention has a high wideband and a small size. The invention also provides a base station antenna.
Description
Technical field
The present invention relates to antenna of mobile communication base station field is and in particular to ultra-wideband low-frequency electrical adjusts cavity phase shifter and inclusion
This ultra-wideband low-frequency electrical adjusts the antenna for base station of cavity phase shifter.
Background technology
At present, ultra-wideband dual polarization electrical tilt antenna is used for the 4G network coverage, especially needs often to adjust antenna at some
Tilt angled down, to reach the occasion of more preferable coverage effect, multiplex wide frequency dual polarized electric regulating antenna.The ideal of two polarization of antenna
The orthogonal polarity diversity to client terminal is extremely important, and the quality of its orthogonal property is generally with cross polar discrimination or intersection
Polarization ratio is assessing.And the phase shifter structure size of current ultra-wideband than larger it is impossible to meet the structural requirement of antenna miniaturization,
Tilt angled down adjustable extent is smaller simultaneously.
Content of the invention
It is an object of the invention to, before solving the problems, such as, the volume of phase shifter is big, tilt angled down adjustable extent is little.
The purpose of the present invention employs the following technical solutions to realize.
A kind of ultra-wideband low-frequency electrical adjusts cavity phase shifter, including：Wire chamber, described wire chamber is a rectangular structure,
Including two minor faces and two long sides, inside has a bottom surface, is provided with metal match circuit in described bottom surface, described two
Minor face is provided with several cable welding seats, for welding cable outer conductor, and some cable inner conductors is sent into described metal
The inside in chamber, described some cable inner conductors are connected with described metal match circuit after entering described wire chamber；Upper lid, described
Upper lid covers and is used for closing wire chamber on described wire chamber；One the first drive link, under described bottom surface, and along described
The length direction of phase shifter extends；And one or more phase shifter element, in described wire chamber, each phase shifter element
Including a U-shaped metal slide bar, a pair of parallel line metal link rod and second drive link, described parallel lines metal link rod position
Fixing, described second drive link is connected with described first drive link and described U-shaped metal slide bar respectively, described U-shaped metal slide bar
Align with described parallel lines metal link rod, described first drive link passes through described second drive link and drives described U-shaped metal slide bar
Pass in and out the inside of described parallel lines metal link rod, thus causing phase change.
A kind of antenna for base station adjusts cavity phase shifter it is characterised in that including foregoing ultra-wideband low-frequency electrical.
Compared to prior art, the ultra-wideband low-frequency electrical tune cavity phase shifter that the present invention provides and antenna for base station can be to phases
Position carry out preset, thus realize preset to antenna radiation pattern, compared with existing ultra-wideband dual polarization electrical tilt antenna, improve frequency
Wide, reduce volume, provide bigger adjustable inclination angle scope.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Brief description
Fig. 1 is the top view that ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter.
Fig. 2 is the side view that ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter.
Fig. 3 is the internal structure schematic diagram that ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the structural representation that ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter unit.
Fig. 6 is Fig. 5 is side view.
Fig. 7 is the schematic diagram of shown in Fig. 5 a phase shifter element primary structure.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is the upward view that ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter.
Figure 10 is the connection diagram of the phase shifter element shown in Fig. 5 and circuit structure.
Specific embodiment
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing
Give the better embodiment of the present invention.But, the present invention can realize however it is not limited to herein in many different forms
Described embodiment.On the contrary, providing the purpose of these embodiments to be to make the disclosure is understood more
Plus it is thoroughly comprehensive.
Refer to Fig. 1 to Fig. 3, ultra-wideband low-frequency electrical provided in an embodiment of the present invention adjusts cavity phase shifter 100 to include one
Wire chamber 6,3, first drive link 1 of upper lid and one or more phase shifter element 200.Multiple phase shifter element 200
In wire chamber 6, the central shaft with regard to wire chamber 6 is axisymmetricly distributed.
Wire chamber 6 is a rectangular structure, and including 61,62 and two long sides 63,64 of two minor faces, inside has one
Bottom surface 60.Upper lid 3 covers on wire chamber 6, so that wire chamber 6 is closed.One or more phase shifter element 200 is contained in wire chamber
In 6.Bottom surface 60 is provided with metal match circuit 14.Metal match circuit 14 is provided with multiple plastic structural parts 15 and is used for fixing metal
Match circuit 14.Bottom surface 60 have this first drive link 1.First drive link 1 prolongs along the length direction of phase shifter 100
Stretch.
See also Fig. 1 to Fig. 4 it is preferable that upper lid 3 passes through some screws 4 or alternate manner covers 3 and metal by upper
Chamber 6 is fixed together.On the long minor face 61～64 of wire chamber 6 and inside is all equally spacedly provided with metal support column 7, can play
Certain supporting role.
Refer to Fig. 5, each phase shifter element 200, including a plastics casting die 13, U-shaped metal slide bar 10, parallel lines gold
Belong to connecting rod 9 and the second drive link 2.
Plastics casting die 13 is used for accommodating and fix parallel lines metal link rod 9, U-shaped metal slide bar 10 and the second drive link 2.?
In the present embodiment, plastics casting die 13 is divided into two parts up and down of compression, and parallel lines metal link rod 9 is stuck in fixation by jointly
Position, irremovable.Parallel lines metal link rod 9 can also be fixed using other fixed forms.
Refer to Fig. 6, U-shaped metal slide bar 10 includes a bending edge 101 and extends and parallel from bending edge 101 with a pair
Two rectangular shapes the first metal arm 102.Parallel lines metal link rod 9 includes the second of a pair of parallel rectangular shape
Metal arm 90.Parallel lines metal link rod 9 is alignd with U-shaped metal slide bar 10 so that one end of the second metal arm 90 is located at the first gold medal
Belong near the initiating terminal of arm 102.Second metal arm 90 is internal to be dead slot, and the width of dead slot is equal to or more than the first metal arm
102 width, the length of dead slot is more than the length of the first metal arm 102, so that the first metal arm 102 passes in and out.
Second drive link 2 is connected with U-shaped metal slide bar 10, and in the present embodiment, the second drive link 2 is embedded in U-shaped metal and slides
The centre of the bending edge 101 of bar 10.Second drive link 2 of two adjacent phase shifter element 200 can be connected.
Refer to Fig. 7, Fig. 8 and Fig. 9, when including multiple phase shifter element 200, the first drive link 1 can be considered multiple phases
The the first drive link branch 110 connecting, each first drive link branch 110 corresponds to a phase shifter element 200 in position,
And each first drive link branch 110 is designed with an aperture 112.
The lower surface of the second drive link 2 also has a slip pilot pin 12, and slip pilot pin 12 is vertically prolonged to bottom surface 60
Stretch.The lower section of plastics casting die 13 is provided with elongated slot (not shown), and bottom surface 60 has multiple length corresponding with the second drive link 2 position
Groove 600, slip pilot pin 12 sequentially passes through elongated slot on plastics casting die 13, elongated slot 600, aperture 112 expose outside.Therefore, when
First drive link 1, to when moving in a direction, will drive slip pilot pin 12 and the second drive link 2 synchronizing moving, moving range
Constrained by elongated slot 600 with direction.Second drive link 2 drives U-shaped metal slide bar 10 turnover parallel lines metal link rod 9, causes phase place
Change.
See also Fig. 4 and Figure 10, two minor faces 61,62 are provided with several cable welding seats 5, for by outside cable
Conductor 16 is welded thereon, and cable inner conductor 8 is sent into the inside of wire chamber 6.Cable inner conductor 8 enters inside wire chamber 6
Weld with metal match circuit 14 afterwards.
A part of metal match circuit 14 extends directly into another minor face of wire chamber 6, with another cable inner conductor 8
Welding；And another part metal match circuit 14 is then connected with parallel lines metal link rod 9, after phase place changes, re-extend into
Another minor face of wire chamber 6 is welded with a cable inner conductor 8, completes the phase shift function of phase shifter.Metal match circuit 14
Can be considered strip lines configuration with upper cover plate 3, this entirety of wire chamber 6, realize power dividing function.
In the present embodiment, refer to Fig. 1, upper lid 3 also has multiple and the second drive link 2 position short groove accordingly
30 it can be observed that the motion of the second drive link 2.
Ultra-wideband low-frequency electrical adjusts the size of cavity phase shifter 100 to adjust the size of cavity phase shifter big by one than corresponding high-frequency electrical
About times.
Ultra-wideband electricity provided in an embodiment of the present invention adjusts cavity phase shifter preset by carrying out to phase place, thus realizing to sky
Line directional diagram preset, compared with existing ultra-wideband dual polarization electrical tilt antenna, improve frequency range, reduce volume, provide more
Big adjustable inclination angle scope.
Correspondingly, the present invention also provides a kind of antenna for base station, including reflecting plate, some dual polarizations being fixed on reflecting plate
Oscillator and the above-mentioned ultra-wideband low-frequency electrical electrically connecting with dual polarization vibrator adjust cavity phase shifter.
Antenna for base station provided in an embodiment of the present invention passes through to arrange this ultra-wideband low-frequency electrical tune cavity phase shifter, can be to phase
Position carry out preset, thus realize preset to antenna radiation pattern, compared with existing ultra-wideband dual polarization electrical tilt antenna, improve frequency
Wide, reduce volume, provide bigger adjustable inclination angle scope.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of ultra-wideband low-frequency electrical adjusts cavity phase shifter it is characterised in that including：
Wire chamber, described wire chamber is a rectangular structure, and including two minor faces and two long sides, inside has a bottom
Face, is provided with metal match circuit in described bottom surface, is provided with several cable welding seats, for welding electricity on described two minor faces
Cable outer conductor, and some cable inner conductors are sent into the inside of described wire chamber, described some cable inner conductors enter described gold
It is connected with described metal match circuit after belonging to chamber；
Upper lid, described upper lid covers and is used for closing wire chamber on described wire chamber；
One the first drive link, under described bottom surface, and the length direction along described phase shifter extends；And
One or more phase shifter element, in described wire chamber, each phase shifter element include a U-shaped metal slide bar,
A pair of parallel line metal link rod and second drive link, described parallel lines metal link rod position is fixed, described second drive link
It is connected with described first drive link and described U-shaped metal slide bar respectively, described U-shaped metal slide bar and described parallel lines metal link rod
Alignment, described first drive link passes through described second drive link and drives the described parallel lines metal of described U-shaped metal slide bar turnover even
The inside of bar, thus cause phase change.
2. ultra-wideband low-frequency electrical as claimed in claim 1 adjusts cavity phase shifter it is characterised in that described U-shaped metal slide bar bag
Included a bending edge and a pair from described bending edge extend and two parallel rectangular shapes the first metal arm；Described
Two drive links are embedded in the centre of described bending edge；Described parallel lines metal link rod includes the second of a pair of parallel rectangular shape
Metal arm, the end of described second metal arm is located near the initiating terminal of described first metal arm, inside described second metal arm
For dead slot, the width of described dead slot is equal to or more than the width of described first metal arm, and the length of described dead slot is more than described
The length of the first metal arm, so that described first metal arm turnover.
3. ultra-wideband low-frequency electrical as claimed in claim 1 adjusts cavity phase shifter it is characterised in that described first drive link includes
Multiple interconnective first drive link branches, each first drive link branch corresponds to a described phase shifter list in position
Unit, and each first drive link branch is designed with an aperture, the lower surface of described second drive link also has a slip to be determined
Position pin, described slip pilot pin extends to described plane perpendicular, and sequentially passes through described plastics casting die, described bottom surface, Yi Jisuo
State aperture.
4. ultra-wideband low-frequency electrical as claimed in claim 3 adjust cavity phase shifter it is characterised in that described bottom surface be provided with multiple with
The corresponding elongated slot in described second drive link position, for constraining described second drive link and described slip pilot pin.
5. ultra-wideband low-frequency electrical as claimed in claim 1 adjusts cavity phase shifter it is characterised in that described phase shifter element is also wrapped
Include a plastics casting die, described parallel lines metal link rod fixed by described plastics casting die.
6. ultra-wideband low-frequency electrical as claimed in claim 5 adjusts cavity phase shifter it is characterised in that described plastics casting die is divided into pressure
Described parallel lines metal link rod is stuck in fixed position by tight two parts up and down jointly.
7. ultra-wideband low-frequency electrical as claimed in claim 1 adjusts cavity phase shifter it is characterised in that a part of described metal mates
Circuit extends directly into the edge of described wire chamber, and metal match circuit described in another part is with described parallel lines metal link rod even
Connect.
8. ultra-wideband low-frequency electrical as claimed in claim 1 adjusts cavity phase shifter it is characterised in that will be described by some screws
Upper lid and described wire chamber are fixed together.
9. ultra-wideband low-frequency electrical as claimed in claim 1 adjust cavity phase shifter it is characterised in that described upper lid also have some
Position short groove accordingly with described second drive link.
10. a kind of antenna for base station, adjusts chamber including the ultra-wideband low-frequency electrical as described in any one of claim 1 to 9 claim
Body phase shifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852804.3A CN106450596B (en) | 2016-09-27 | 2016-09-27 | Ultra-wideband low-frequency electrically-tunable cavity phase shifter and base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610852804.3A CN106450596B (en) | 2016-09-27 | 2016-09-27 | Ultra-wideband low-frequency electrically-tunable cavity phase shifter and base station antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106450596A true CN106450596A (en) | 2017-02-22 |
| CN106450596B CN106450596B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610852804.3A Active CN106450596B (en) | 2016-09-27 | 2016-09-27 | Ultra-wideband low-frequency electrically-tunable cavity phase shifter and base station antenna |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788515A (en) * | 1988-02-19 | 1988-11-29 | Hughes Aircraft Company | Dielectric loaded adjustable phase shifting apparatus |
| WO2007127348A2 (en) * | 2006-04-26 | 2007-11-08 | Ems Technologies, Inc. | Planar mixed-signal circuit board |
| CN202871945U (en) * | 2012-09-12 | 2013-04-10 | 苏州市大富通信技术有限公司 | A phase shifter and an electrical tilt antenna |
| CN104979604A (en) * | 2014-04-11 | 2015-10-14 | 深圳国人通信股份有限公司 | Phase shifter of electrically tunable antenna |
| CN204834802U (en) * | 2015-07-15 | 2015-12-02 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter |
| CN206364158U (en) * | 2016-09-27 | 2017-07-28 | 深圳慧联达科技有限公司 | Ultra-wideband low-frequency electrical adjusts cavity phase shifter and antenna for base station |
-
2016
- 2016-09-27 CN CN201610852804.3A patent/CN106450596B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788515A (en) * | 1988-02-19 | 1988-11-29 | Hughes Aircraft Company | Dielectric loaded adjustable phase shifting apparatus |
| WO2007127348A2 (en) * | 2006-04-26 | 2007-11-08 | Ems Technologies, Inc. | Planar mixed-signal circuit board |
| CN202871945U (en) * | 2012-09-12 | 2013-04-10 | 苏州市大富通信技术有限公司 | A phase shifter and an electrical tilt antenna |
| CN104979604A (en) * | 2014-04-11 | 2015-10-14 | 深圳国人通信股份有限公司 | Phase shifter of electrically tunable antenna |
| CN204834802U (en) * | 2015-07-15 | 2015-12-02 | 安徽四创电子股份有限公司 | Miniaturized dielectric phase shifter |
| CN206364158U (en) * | 2016-09-27 | 2017-07-28 | 深圳慧联达科技有限公司 | Ultra-wideband low-frequency electrical adjusts cavity phase shifter and antenna for base station |
Non-Patent Citations (1)
| Title |
|---|
| 沈莉丽: "360°电调移相器的设计与优化", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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| Publication number | Publication date |
|---|---|
| CN106450596B (en) | 2021-11-23 |
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