CN101699647B - Integral coaxial line phase shifter - Google Patents
Integral coaxial line phase shifter Download PDFInfo
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- CN101699647B CN101699647B CN 200910193967 CN200910193967A CN101699647B CN 101699647 B CN101699647 B CN 101699647B CN 200910193967 CN200910193967 CN 200910193967 CN 200910193967 A CN200910193967 A CN 200910193967A CN 101699647 B CN101699647 B CN 101699647B
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Abstract
The invention discloses an integral coaxial line phase shifter which is characterized by comprising a phase shifter cavity, an insulating sleeve, an inner guide post, an input inner guide tube and an output inner guide tube, wherein two or more cavities are arranged on the cross section of the phase shifter cavity, the input inner guide tube and the output inner guide tube are arranged in the cavities, the inner guide post is in a U-shape, the front ends of the inner guide post are respectively inserted into and matched with the input guide tube and the output guide tube in a sliding way, and the inner guide post, the input inner guide tube and the output inner guide tube transmit signals through coupling. The phase shifter of the invention has the advantages of simple structure, small volume, convenient manufacture, high precision, large range of phase shift, good universality and stable indices in the whole working frequency band.
Description
Technical field
The present invention relates to the antenna equipment technical field, more particularly relate to a kind of coaxial phase shifter of phase place continuous variable.
Background technology
Antenna for base station in the mobile communication system is in order to realize the coverage optimization to own cellular cell wireless signal, need to reasonably adjust antenna for base station elevation radiation patytern ground beam position, make it point to the angle and do suitable inclination (abbreviation downwards bevel beam) down in the horizontal line direction, because in many intricately practical application scenes, the situation of signal mulched ground scope and co-channel interference is constantly changing, the variation of number of users in the residential quarter, therefore need the antenna beam angle of declination also to need often to change in time, and change continuously in position i.e. continuously adjustable downwards bevel beam antenna for base station.And the fixed electrical tilt of the conventional method of usefulness and mechanical tilt combined in the past, will change having a down dip of wave beam after with conventional fixed electrical tilt antenna just only has the people to climb to base station emission cat head to remove to change mechanical angle, when the large angle of declination of machinery, directional diagram meeting gross distortion affects the network coverage.And must close base station maintenance, and quantities is large and dangerous, and maintenance cost is high.And just saving above trouble, continuously adjustable downwards bevel beam antenna for base station provides operating efficiency.
Phase shifter is the critical component of continuously adjustable wave beam electrical down-tilting antenna for base station.
The phase shifter that uses on the general antenna of mobile communication base station is divided three classes: a class is the phase place that changes signal transmission by the physical length that changes transmission line, the multiplex strip line of this kind phase shifter transmission line changes the phase place of signal transmission by the length of mobile strip line, the shortcoming of this kind phase shifter is that inconvenience is installed, volume is large, adjust inconvenience, unstable; Another kind of is phase shifter by the relative dielectric constant that changes transmission line, it mainly is the medium that covers or insert high-k at transmission line, the medium wavelength of transmission line under high-k shortens, the transmission line phase place that signal transmits under high-k that is same length is more, the shortcoming of this kind phase shifter is that loss is large, the dielectric constant of medium is unstable, and cost is high, complex process.Also have a class be exactly phase shifter be the digital phase shifter of quantification formula, it involves great expense, the digital phase shifter that quantizes simultaneously can bring the sensing deviation of downwards bevel beam angle and can not continuously change the angle that has a down dip of wave beam.
Summary of the invention
Purpose of the present invention be exactly provide for the deficiency that solves prior art a kind of not only simple in structure, volume is little, easily manufactured, precision is high, and phase shift range is large, and versatility is good, index is stable in whole working frequency range, and the integral coaxial line phase shifter of being convenient to install.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of integral coaxial line phase shifter, it is characterized in that, it comprises phase shifter cavity, insulating case, inner guiding post and input, output inner catheter, the phase shifter cavity cross-section has two or more vestibules, input, output inner catheter are put into vestibule, it is U-shaped that inner guiding post becomes, the front end of inner guiding post inserts respectively in input, the output duct and with it and is slidingly matched, and inner guiding post and input, output inner catheter are by the coupled transfer signal.
As further specifying of such scheme, there is a sidewall at the center of described cavity, and the phase shifter cavity cross-section has two circular hole cavitys, and respectively there is a fixed arm both sides of cavity, the fixed arm bottom is provided with stupefied, has two or more that phase shifter cavity is installed in screw on the antenna on the fixed arm.
Described insulating case is arranged on the end of inner guiding post, and the end sealing of insulating case has two location holes, fixedly inner catheter; The other end of insulating case is provided with and holds the opening that inner guiding post passes.
One pull rod slot in being provided with, described insulating case is arranged, be provided with the mobile pull bar that connects inner guiding post in the pull rod slot, the through hole that this end that moves pull bar has the U-shaped end with inner guiding post to match, the insulating case opening direction has two location holes, is positioned on the phase shifter cavity by screw.
Described mobile pull bar adopts insulating material, and respectively there is a hole at two ends, and the metal inner guiding post is put in position, a hole, location and pulling inner guiding post, and another hole becomes an angle of 90 degrees with the inner guiding post location hole, at the other end of mobile pull bar.
Described metal inner guiding post adopts die cast, and there is one deck insulating material on metal inner guiding post surface.
The end of described input, output inner catheter is provided with the metal solder post, and this metal solder post overcoat has insulator, and by a cavity lid fixed installation corresponding with the phase shifter cavity.
Be connected with the input and output transmission line on the described metal solder post, the input and output transmission line is coaxial line, and the impedance of stiff end and mobile terminal equates.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts the phase shifter cavity by the mould pultrusion, and it is U-shaped that inner guiding post becomes, and adopts die cast, simplified processing technology, simple in structure, improved precision, greatly reduces production cost;
2, the input and output transmission line of phase shifter of the present invention is coaxial line, and the canned paragraph of cavity has a sidewall, and precision is high, and phase shift range is large, and versatility is good, and index is stable in whole working frequency range, and volume is little, the convenient installation.
3, the impedance of the stiff end of phase shifter of the present invention and mobile terminal equates, changes the length of cavity and movable part, the antenna for base station with each frequency of can working, and operating frequency is wide.
4, phase place continuous variable of the present invention.
Description of drawings
Fig. 1 is phase shifter embodiment one structural representation of the present invention;
Fig. 2 is phase shifter embodiment one schematic cross-section of the present invention;
Fig. 3 is phase shifter embodiment one part schematic diagram of the present invention;
Fig. 4 is phase shifter embodiment one schematic cross-section of the present invention;
Fig. 5 is phase shifter embodiment two structural representations of the present invention;
Fig. 6 is phase shifter embodiment two schematic cross-sections of the present invention;
Fig. 7 is phase shifter embodiment two part schematic diagrames of the present invention;
Fig. 8 is phase shifter embodiment two schematic cross-sections of the present invention.
Description of reference numerals: 1, metal phase shifter cavity 2, metal grounding base 3, insulator 4, metal solder post 5, metal inner guiding post 6, mobile pull bar 7, insulating case 8, fixedly inner catheter 9, cable 10, sidewall 11, installing hole 12, hole 13, location hole 14, fixed arm 15, stupefied
Embodiment
Embodiment 1
Shown in accompanying drawing 1～4, the present invention is a kind of integral coaxial line phase shifter, comprises metal phase shifter cavity 1, metal inner catheter 8, metal inner guiding post 5, metal grounding base 2, metal solder post 4, insulating case 7, insulator 3, mobile pull bar 6.Metal phase shifter cavity 1 is by the mould pultrusion, and there is a sidewall 10 at the canned paragraph center of cavity, and there are two circular hole cavitys in phase shifter cavity 1 cross section, cavity has two surveys that one fixed arm 14 is respectively arranged, have under the fixed arm two stupefied 15, two installing holes 11 are arranged on the fixed arm 14, be installed on the antenna by screw; Pull bar 6 is insulating material, and respectively there is a hole at two ends, and metal inner guiding post 5 is put in position, a hole, location and pulling inner guiding post, and another hole 12 becomes an angle of 90 degrees with the inner guiding post location hole, at the other end of pull bar; Insulating case 7 is placed on inner guiding post 5 ends of phase shifter, insulating case 7 one ends sealings has two location holes 13, fixing inner catheter 8, one end opening, can put into easily metal inner guiding post 5 and pull bar 6, one pull rod slot is arranged in the insulating case 7, positioning tie bar, the insulating case opening direction has two location holes, is positioned on the phase shifter cavity by screw; Metal inner catheter 8 is put into the cavity circular hole and is formed coaxial line, input and output become the coaxial line integrated phase shifter, metal inner catheter 8 passes through welded post 4 with the input and output transmission line, insulator 3, metal welding joint chair 2 connects, the welding hole that the outer conductor of transmission line passes welding base is welded on, insulator 3 is put into the hole of metal welding joint chair 2,5 one-tenth of metal inner guiding posts are U-shaped, adopt die cast, there is one deck insulating material on metal inner guiding post surface, the front end of metal inner guiding post 5 inserts respectively in the input and output metal catheter, and inner guiding post 5 and inner catheter 8 connect the input and output side of phase shifter by the coupled transfer signal, the position of mobile inner guiding post 5, the phase place of change phase shifter.The end of metal inner catheter 8 is connected by cable 9, in actual applications with the signal transmission path of the coaxial transmission line of stable performance, with in the insertion inner catheter of coupled transmission line with coupling energy.Length L 1 by mobile pull bar 6 changes the position of transmission inner guiding post in inner catheter, thereby changes the physical length of signal transmission, thereby reaches the adjustable continuously of signal transmission phase place.
Embodiment 2
Shown in accompanying drawing 5～8, the difference of the present embodiment and above-mentioned execution mode is, it is on the basis of embodiment one, merges two integral coaxial line phase shifters in aggregates.
The present invention is not limited to above-mentioned execution mode; as shown in Figure 1; the all right ellipse of described a kind of integral coaxial line phase shifter cavity; the cavity aperture can varying sized size; also can be combined single cavity such as embodiment 2; any those skilled in the art can do numerous modifications and variations, under the spirit that does not break away from invention, all in the claimed scope of the present invention.
Claims (1)
1. integral coaxial line phase shifter, it is characterized in that, it comprises phase shifter cavity, insulating case, inner guiding post and input, output inner catheter, the phase shifter cavity cross-section has two or more vestibules, input, output inner catheter are put into vestibule, it is U-shaped that inner guiding post becomes, and the front end of inner guiding post inserts respectively in input, the output duct and with it and is slidingly matched, and inner guiding post and input, output inner catheter are by the coupled transfer signal; There is a sidewall at the center of cavity, and the phase shifter cavity cross-section has two circular hole cavitys, and respectively there is a fixed arm both sides of cavity, and the fixed arm bottom is provided with stupefied, has two or more that phase shifter cavity is installed in screw on the antenna on the fixed arm; Insulating case is arranged on the end of inner guiding post, and the end sealing of insulating case has two location holes, fixedly inner catheter; The other end of insulating case is provided with and holds the opening that inner guiding post passes.
2
.Integral coaxial line phase shifter according to claim 1, it is characterized in that: a pull rod slot is arranged in the described insulating case, be provided with the mobile pull bar that connects inner guiding post in the pull rod slot, the through hole that this end that moves pull bar has the U-shaped end with inner guiding post to match, the insulating case opening direction has two location holes, is positioned on the phase shifter cavity by screw.
3
.Integral coaxial line phase shifter according to claim 2 is characterized in that: described mobile pull bar adopts insulating material, and respectively there is a hole at two ends, the metal inner guiding post is put in position, a hole, location and pulling inner guiding post, another hole becomes an angle of 90 degrees with the inner guiding post location hole, at the other end of mobile pull bar.
4
.Integral coaxial line phase shifter according to claim 1 is characterized in that: described metal inner guiding post adopts die cast, and there is one deck insulating material on metal inner guiding post surface.
5
.Integral coaxial line phase shifter according to claim 1 is characterized in that: the end of described input, output inner catheter is provided with the metal solder post, and this metal solder post overcoat has insulator, and by a cavity lid fixed installation corresponding with the phase shifter cavity.
6
.Integral coaxial line phase shifter according to claim 5 is characterized in that: be connected with the input and output transmission line on the described metal solder post, the input and output transmission line is coaxial line, and the impedance of stiff end and mobile terminal equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910193967 CN101699647B (en) | 2009-11-17 | 2009-11-17 | Integral coaxial line phase shifter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910193967 CN101699647B (en) | 2009-11-17 | 2009-11-17 | Integral coaxial line phase shifter |
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| CN101699647A CN101699647A (en) | 2010-04-28 |
| CN101699647B true CN101699647B (en) | 2013-01-09 |
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| CN 200910193967 Active CN101699647B (en) | 2009-11-17 | 2009-11-17 | Integral coaxial line phase shifter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050747B (en) * | 2012-11-30 | 2015-01-14 | 摩比天线技术（深圳）有限公司 | Phase shifter and antenna assembly |
| CN203910943U (en) * | 2014-01-28 | 2014-10-29 | 京信通信技术(广州)有限公司 | Cavity-type microwave device |
| CN105422555B (en) * | 2015-11-05 | 2017-10-31 | 中国电子科技集团公司第四十一研究所 | A kind of rapid coaxial phase regulator |
| CN106848498A (en) * | 2015-12-04 | 2017-06-13 | 江苏省东方世纪网络信息有限公司 | Phase shifter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094855A (en) * | 1994-03-15 | 1994-11-09 | 吉林大学 | Analog 360 ° of reflection type linear phase shifters |
| CN2838051Y (en) * | 2005-11-07 | 2006-11-15 | 杨斌 | Continuous adjustable coaxial phase shifter |
-
2009
- 2009-11-17 CN CN 200910193967 patent/CN101699647B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094855A (en) * | 1994-03-15 | 1994-11-09 | 吉林大学 | Analog 360 ° of reflection type linear phase shifters |
| CN2838051Y (en) * | 2005-11-07 | 2006-11-15 | 杨斌 | Continuous adjustable coaxial phase shifter |
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| CN101699647A (en) | 2010-04-28 |
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Effective date of registration: 20220607 Address after: 528100 No. 4 Jinye Second Road, Southwest Industrial Park, Sanshui District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 southwest private science and Technology Industrial Zone, Nanfeng Avenue, Xinan street, Sanshui District, Guangdong, Foshan Patentee before: GUANGDONG SHENGLU TELECOMMUNICATION TECH. Co.,Ltd. |
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