CN103117425A - Continuously adjustable phase-shifting device - Google Patents
Continuously adjustable phase-shifting device Download PDFInfo
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- CN103117425A CN103117425A CN2013100491668A CN201310049166A CN103117425A CN 103117425 A CN103117425 A CN 103117425A CN 2013100491668 A CN2013100491668 A CN 2013100491668A CN 201310049166 A CN201310049166 A CN 201310049166A CN 103117425 A CN103117425 A CN 103117425A
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Abstract
The invention provides a continuously adjustable phase-shifting device which comprises a fixed network and a mobile network both in microwave stripline structures. The networks are printed on a printed circuit board. The fixed network is coupled with the mobile network to allow for electric passage. A signal path is changed so as to change phase of a signal output end to allow for phase shifting by moving the mobile network. The phase-shifting devices are serially connected to allow for phase stacking, so that the phases of the signal output ends are allowed to change in wide range.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of continuous Adjustable Phase Shift device.
Background technology
For the lifting mobile communication service quality, solve better the cell breath of number of users, transfer the requirement of antenna for base station performance also more and more higher to electricity.Phase shifter is the core position that electricity is transferred antenna for base station, and the quality of its performance directly has influence on the quality that electricity is transferred the antenna for base station directional diagram.Therefore, be one of emphasis of industry to the research of phase shifter always.
Summary of the invention
The present invention proposes a kind of continuous Adjustable Phase Shift device of can electricity transferring the antenna for base station directional diagram, make signal output part phase place wide variation.
Technical scheme of the present invention is a kind of continuous Adjustable Phase Shift device, comprises by metab, is printed on fixed network on the first printed circuit board, is printed on mobile network, network fixture and metal cover on the second printed circuit board; Printed circuit board is fixed on metab, and the network fixture is pressed on the first printed circuit board and the second printed circuit board together; Metal cover is fixed on metab, consists of a cavity, and the first printed circuit board, the second printed circuit board and network fixture are enclosed in the chamber;
Cover conducting metal on the whole bottom surface of described the first printed circuit board, print fixed network on the front, fixed network is comprised of two or above linear pattern microstrip line and pad, has opened the metallization via hole on pad, and pad is communicated with the bottom surface short circuit;
Print the mobile network on the front of described the second printed circuit board, the mobile network is comprised of one or above U-shaped microstrip line, covers or do not cover conducting metal on the bottom surface;
Many the connecting lines that are used for transferring input signal and output signal are set, and every connecting line connects respectively the straight line type microstrip line of fixed network and draws in cavity;
Every two linear pattern microstrip lines of fixed network and mobile network's a U-shaped microstrip line form path by coupled relation, become one group of phase shifter; Many group phase shifters support serial or parallel connection to use; The mobile network supports the shift position.
And, filled media between described the first printed circuit board and the second printed circuit board.
And described network fixture is provided with spacing floating-point, the floating-point of exerting pressure, grapple and cylinder, and exert pressure floating-point and grapple complexed metal base are pressed on the first printed circuit board and the second printed circuit board together; In the second printed circuit board, circular hole is set, spacing floating-point coordinates circular hole, and the second printed circuit board is fixed on the network fixture; Slotted eye is set in metal cover, and cylinder passes the slotted eye of metal cover, the small column that arranges in the complexed metal capping.
The invention provides a kind of continuous Adjustable Phase Shift device.This phase shifting equipment is realized electric pathway by fixed network and mobile network's coupled relation.Described fixed network and mobile network all are printed on printed circuit board, form microstrip line.Between described fixed network and mobile network, Filled Dielectrics is arranged, can avoid fixed network to contact with the direct of mobile network, reduce the microstrip line width, also can increase the sliding capability between fixed network and mobile network.The present invention is simple in structure, and in the phase shift process, output level value fluctuation range is little, and the phase shift process is more level and smooth.Volume of the present invention is small and exquisite, can arbitrarily be used in combination.When for example serial combination is used, can realize larger phase shift range.
Description of drawings
Fig. 1 is the phase shifter group circuit theory schematic diagram of the embodiment of the present invention.
Three-dimensional structure schematic top plan view when Fig. 2 is being used in combination of the embodiment of the present invention.
Three-dimensional structure elevational schematic view when Fig. 3 is being used in combination of the embodiment of the present invention.
Embodiment
The present invention is numerous variations and can have a plurality of embodiment in addition, specific embodiment is shown on accompanying drawing, and is elaborated.But this is not to limit the invention to specific example, should be understood to the present invention and comprises all changes, equivalent and the sub that belongs in thought of the present invention and technical scope.
The embodiment of the present invention is comprised of with mobile network 02 fixed network 01.Described fixed network 01 all is printed on printed circuit board with mobile network 02, forms the microstrip line structure.Fixed network 01 forms path with mobile network 02 by coupled relation, and particularly, every two linear pattern microstrip lines of fixed network 01 and a U-shaped microstrip line of mobile network 02 form path by coupled relation, form one group of phase shifter.Shown in Figure 1 is one group of phase shifter of the embodiment of the present invention, and every group of phase shifter covered on two " one " font microstrip lines of fixed network 01 by " U " type microstrip line of mobile network 02, forms cascaded structure by coupled relation.During concrete enforcement, those skilled in the art can arrange one group or above phase shifter according to the specific design demand, be that mobile network 02 comprises one or above U-shaped microstrip line, fixed network 01 comprises two or above linear pattern microstrip line, with a U-shaped microstrip line and two corresponding settings of linear pattern microstrip line.The phase shifter group can arbitrarily make up discharging, organizes phase shifter more and supports serial or parallel connection to use.Embodiment is provided with 9 groups of phase shifters, and namely mobile network 02 arranges 9 U-shaped microstrip lines, and fixed network 01 arranges 18 linear pattern microstrip lines.In fixed network 01 and mobile network's 02 microstrip line structure, microstrip line live width and line length can arbitrarily be adjusted according to working frequency range and phase shift range.
Consult Fig. 2, shown in Figure 3, the embodiment of the present invention comprises metab 03, be printed on fixed network 01 on the first printed circuit board 04, be printed on mobile network 02, network fixture 06, metal cover 07 on the second printed circuit board 05.Use screw the first printed circuit board 04 can be fixed on metab 03.Use network fixture 06 the first printed circuit board 04 and the second printed circuit board 05 can be pressed on together.Use screw metal cover 07 can be fixed on metab 03, consist of a cavity, the first printed circuit board 04, the second printed circuit board 05 and network fixture 06 are enclosed in the chamber, shield.Be transferring input signal and output signal, it is corresponding one by one with the microstrip line of fixed network 01 that the present invention arranges many connecting lines, and every connecting line connects respectively a microstrip line of fixed network 01.Corresponding 18 the linear pattern microstrip lines of embodiment arrange 18 connecting lines, and for example connecting line 61,62,63,64,65,67,68 connects respectively the microstrip line 11,12,13,14,15,16,17 of fixed network 01,18 port.Each connecting line is amplified out in cavity, transferring input signal and output signal.
Cover conducting metal on the whole bottom surface 31 of described the first printed circuit board 04, print fixed network 01 on front 32.Fixed network 01 is comprised of many linear pattern microstrip lines and pad 19, is conducting metal.Open metallization via hole 10 on pad 19, made pad 19 and bottom surface 31 realize that short circuit is communicated with, reached better earthing effect.Add on microstrip line 11,12,13,14,15,16,17, the surfaces such as 18 and be coated with one deck welding resistance green oil, this welding resistance green oil is the filled media of 05 of described the first printed circuit board 04 and the second printed circuit board.After Filled Dielectrics, order with fixed network 01, medium, mobile network 02 is pressed on together, is about to be printed on the first printed circuit board 04, the filled media of fixed network 01, the second printed circuit board 05 that is printed on mobile network 02 is fixed together by network fixture 06.
The convex-concave design can be arranged on network fixture 06 during concrete enforcement, guarantee to be printed on the first printed circuit board 04, the filled media of fixed network 01, the second printed circuit board 05 that is printed on mobile network 02 can be pressed on together.For the ease of implementing reference, the present invention further proposes: network fixture 06 is provided with spacing floating-point 51, the floating-point 52 of exerting pressure, grapple 53 and cylinder 54.The floating-point 52 of described network fixture 06 and grapple 53 complexed metal bases 03 are with the first printed circuit board 04 and the second smooth being pressed on together of printed circuit board 05.The floating-point 51 of described network fixture 06 coordinates the circular hole 41 of the second printed circuit board 05, and the second printed circuit board 05 is fixed on network fixture 06, the second printed circuit board 05 is remained in sliding process in network fixture 06 keep relatively static.The cylinder 54 of described network fixture 06 passes the slotted eye 71 of metal cover 07, and the small column 72 in complexed metal capping 07 can use pull bar by lever principle slip network fixture 06 when specifically implementing, realize phase shift function.The fixed pivot of lever principle is small column 72, and cylinder 54 passes slotted eye 71 becomes the little arm of force, does connecting line and extends to outside the overall dimension of metal cover 07 to cylinder 54 take small column 72 as starting point, becomes the large arm of force.Pull bar arranges in addition, pulls the large arm of force with pull bar, thereby promotes the cylinder 54 of the little arm of force, drives network fixture 06.Glide direction is the microstrip line axis direction of fixed network 01, can slidably reciprocate the left and right.
Cover on the bottom surface of the second printed circuit board 05 or do not cover conducting metal all can, embodiment covers without any metal on the whole bottom surface 34 of described the second printed circuit board 05, prints mobile network 02 on positive 33.U-shaped microstrip line of the mobile network 02 and the corresponding setting of the linear pattern microstrip line of fixed network 01 provide by phase shifter group shown in Figure 1.The mobile network 02 of embodiment is comprised of U-shaped microstrip line 21,22,23,24,25,26,27,28 etc., is conducting metal.
The characteristic impedance of the microstrip line on the first printed circuit board 04 shown in figure, the second printed circuit board 05 is 50 ohm.In practice, can select as the case may be suitable board making the first printed circuit board 04 and the second printed circuit board 05, be under the prerequisite of 50 ohm in the characteristic impedance that guarantees microstrip line, calculate the microstrip line live width, and be printed on the first printed circuit board 04 and the second printed circuit board 05.The microstrip line line length can design by phase shift range required according to reality.
The present invention realizes electric pathway by the coupled relation of microstrip line, by the path that the change signal of telecommunication passes through, changes the phase place of output signal.By connected in series, realize the stack of phase place, reach the purpose of phase of output signal wide variation.Every group of phase shifter in the embodiment of the present invention is for working alone, and the inactivity distribution function.Change by mobile described mobile network the path that signal passes through, thereby change the phase place of signal output part, realize the purpose of phase shift.Realize each radiating element power excipient of electricity accent antenna for base station, need external power divider.For example working method is: connecting line 62 is connect the power divider input, and a certain output of power divider is connected with connecting line 63, and all the other outputs are connected with corresponding radiating element by connecting line.Like this, signal enters the cavity of the embodiment of the present invention from connecting line 61, pass through successively microstrip line 11,21,22,12, and from connecting line 62 outputs, ingoing power distributor input exports connecting line 63 to through after power division, again enters the cavity of the embodiment of the present invention.Network fixture 06 can be moved a certain distance from left to right, the output port phase place that is connected with connecting line 62,64,66,68 is changed to+α ,+2 α ,-α ,-2 α.α represents the changing value of phase place, i.e. certain value in 0 ~+180 °.Be not difficult to find out thus, the stack of phase shifter quantity can realize the stack of phase shifts.
The embodiment of the present invention can well be applicable to mobile communication business, function admirable, good looking appearance.Use described microstrip line live width, compare less than 1.3 at CDMA800, GSM900 frequency band standing internal wave, compare less than 1.5 at GSM1800, UMTS frequency band standing internal wave.
Claims (3)
1. continuous Adjustable Phase Shift device is characterized in that: comprise by metab, be printed on fixed network on the first printed circuit board, be printed on mobile network, network fixture and metal cover on the second printed circuit board; Printed circuit board is fixed on metab, and the network fixture is pressed on the first printed circuit board and the second printed circuit board together; Metal cover is fixed on metab, consists of a cavity, and the first printed circuit board, the second printed circuit board and network fixture are enclosed in the chamber;
Cover conducting metal on the whole bottom surface of described the first printed circuit board, print fixed network on the front, fixed network is comprised of two or above linear pattern microstrip line and pad, has opened the metallization via hole on pad, and pad is communicated with the bottom surface short circuit;
Print the mobile network on the front of described the second printed circuit board, the mobile network is comprised of one or above U-shaped microstrip line, covers or do not cover conducting metal on the bottom surface;
Many the connecting lines that are used for transferring input signal and output signal are set, and every connecting line connects respectively the straight line type microstrip line of fixed network and draws in cavity;
Every two linear pattern microstrip lines of fixed network and mobile network's a U-shaped microstrip line form path by coupled relation, become one group of phase shifter; Many group phase shifters support serial or parallel connection to use; The mobile network supports the shift position.
2. continuous Adjustable Phase Shift device according to claim 1, is characterized in that: filled media between described the first printed circuit board and the second printed circuit board.
3. continuous Adjustable Phase Shift device according to claim 2, it is characterized in that: described network fixture is provided with spacing floating-point, the floating-point of exerting pressure, grapple and cylinder, exert pressure floating-point and grapple complexed metal base are pressed on the first printed circuit board and the second printed circuit board together; In the second printed circuit board, circular hole is set, spacing floating-point coordinates circular hole, and the second printed circuit board is fixed on the network fixture; Slotted eye is set in metal cover, and cylinder passes the slotted eye of metal cover, the small column that arranges in the complexed metal capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100491668A CN103117425A (en) | 2013-02-07 | 2013-02-07 | Continuously adjustable phase-shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100491668A CN103117425A (en) | 2013-02-07 | 2013-02-07 | Continuously adjustable phase-shifting device |
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| CN103117425A true CN103117425A (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100491668A Pending CN103117425A (en) | 2013-02-07 | 2013-02-07 | Continuously adjustable phase-shifting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826684A (en) * | 2015-01-05 | 2016-08-03 | 安弗施无线射频***（上海）有限公司 | Phase shifting device and electrically tuned antenna |
| CN107204520A (en) * | 2016-03-16 | 2017-09-26 | 广东通宇通讯股份有限公司 | Multifrequency antenna for base station and its radiofrequency signal switching switch |
| CN111585024A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and 5G base station antenna |
| CN112713368A (en) * | 2016-06-01 | 2021-04-27 | 日本电业工作株式会社 | Distribution/synthesis device and sector antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623241U (en) * | 2009-11-11 | 2010-11-03 | 东莞台霖电子通讯有限公司 | Phase shifter |
| CN201838690U (en) * | 2010-08-03 | 2011-05-18 | 东莞台霖电子通讯有限公司 | Phase shifter provided with reverse relative configuration type electric adjusting unit |
| CN102231451A (en) * | 2011-04-21 | 2011-11-02 | 江苏捷士通科技股份有限公司 | Integrated phase shifter including power distribution network |
| CN102255118A (en) * | 2010-05-17 | 2011-11-23 | 摩比天线技术（深圳）有限公司 | Phase shifter, phase shift network and electrically-controlled antenna |
-
2013
- 2013-02-07 CN CN2013100491668A patent/CN103117425A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201623241U (en) * | 2009-11-11 | 2010-11-03 | 东莞台霖电子通讯有限公司 | Phase shifter |
| CN102255118A (en) * | 2010-05-17 | 2011-11-23 | 摩比天线技术（深圳）有限公司 | Phase shifter, phase shift network and electrically-controlled antenna |
| CN201838690U (en) * | 2010-08-03 | 2011-05-18 | 东莞台霖电子通讯有限公司 | Phase shifter provided with reverse relative configuration type electric adjusting unit |
| CN102231451A (en) * | 2011-04-21 | 2011-11-02 | 江苏捷士通科技股份有限公司 | Integrated phase shifter including power distribution network |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826684A (en) * | 2015-01-05 | 2016-08-03 | 安弗施无线射频***（上海）有限公司 | Phase shifting device and electrically tuned antenna |
| US10411346B2 (en) | 2015-01-05 | 2019-09-10 | Nokia Shanghai Bell Co., Ltd. | Phase shifting apparatus and electrically adjustable antenna |
| CN107204520A (en) * | 2016-03-16 | 2017-09-26 | 广东通宇通讯股份有限公司 | Multifrequency antenna for base station and its radiofrequency signal switching switch |
| CN112713368A (en) * | 2016-06-01 | 2021-04-27 | 日本电业工作株式会社 | Distribution/synthesis device and sector antenna |
| CN111585024A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Dielectric phase shifter and 5G base station antenna |
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Application publication date: 20130522 |