CN105633517A - Miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter - Google Patents
Miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter Download PDFInfo
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- CN105633517A CN105633517A CN201410687681.3A CN201410687681A CN105633517A CN 105633517 A CN105633517 A CN 105633517A CN 201410687681 A CN201410687681 A CN 201410687681A CN 105633517 A CN105633517 A CN 105633517A
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Abstract
The invention belongs to the field of microwave devices, and provides a miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter which is wide in relative bandwidth, free of mutual interference, little in microwave loss, small in lateral dimension and light in weight. The miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter comprises a box-like skeleton with a shielding cover, a ferrite rod which is assembled in the box-like skeleton and is provided with a driving coil in a sleeving manner, a driving circuit electrically connected with the driving coil and a matching structure component connected to the ferrite rod symmetrically to two sides of the skeleton, wherein symmetrically-shaped nonreciprocal circular polarizers consisting of four constant magnets respectively are arranged on two end cylindrical surfaces of the ferrite rod, each constant magnet is covered with a shielding sleeve for shielding a magnetic field of the nonreciprocal circular polarizers, the driving coil wound on a winding sleeve and sleeved on the ferrite rod is arranged between the two nonreciprocal circular polarizers, two magnet yokes are symmetrically assembled on the ferrite rod, and a locking-type magnetic circuit is formed by the two magnet yokes and the ferrite rod.
Description
Technical field
The invention belongs to microwave device field, relate to a kind of improvement to Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter structure Yu microwave transmission performance.
Background technology
In prior art, phased array realizes the approach of wave beam agile scanning two kinds, a kind of active phased array being based on MMIC technology; Another kind is based on the inactive phased array technology of ferrite phase shifter technology. The first technical difficulty is big, and cost and technical risk are high, and comparatively speaking, difficulty and cost that inactive phased array technology realizes have advantage.
The requirement of ferrite phase shifter that phased array uses, is summed up and mainly has some: loss is little, switch time is short, driving power consumption is low, phase displacement error is little, it is big to bear power, size is little, lightweight. Requirement loss is little, and except signal to noise ratio is beneficial, also as element loss is little, the heat of generation is little, it is possible to improve the stability of phase shifter; Switch time the short scanning speed that can improve front wave beam; Drive the low heat that can reduce generation of power, it is possible to improve the stability of phase shifter; Phase displacement error reduces can improve antenna gain and scan angle precision, reduces minor level; Bear power and can improve greatly the operating distance of radar; Lateral dimension is little, and to be because phase shifter array element distance excessive, it may appear that graing lobe; Require that weight wants light, it is possible to alleviate the weight of antenna array.
Ferrite phase shifter is best suited for S-band to Ku wave band, and frequency is more high, and the size of phase shifter is limited, thus improving to phase shifter performance, processing and assemble and all bring very big difficulty. Owing to size and weight limit, for subtracting undersized ferrite phase shifter, causing structural strength redundancy less, interfering between the phase shifter is relatively big, and the impedance matching of transmission system realizes relatively difficult, bandwidth that very difficult acquisition is bigger and less loss.
Summary of the invention
Goal of the invention:
Opposite band is wide, do not disturb each other, lossy microwave is little, lateral dimension is little, lightweight minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter to propose one.
Technical scheme:
A kind of minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter, including, one box-like skeleton with screening cover and the ferrite bar being assemblied in described skeleton box body and being set with driving coil, and it is connected the coupling construction package of described ferrite bar with drive circuit and the symmetrical skeletal both sides of the electrical connection of described driving coil, the two ends cylinder of described ferrite bar is provided with the nonreciprocal circular polarizer of symmetric figure being respectively made up of four blocks of permanent Magnet, permanent Magnet is covered with the housing shielding nonreciprocal circular polarizer magnetic field, it is provided with between two nonreciprocal circular polarizers and is wound on coiling set, and it is enclosed within the driving coil on ferrite bar, two pieces of yoke symmetries are assemblied on ferrite bar, locking-type magnetic circuit is formed with ferrite bar.
Described skeleton box body adopts flat structure, and coupling construction package, ferrite bar, the nonreciprocal circular polarizer of symmetric figure are adopted bonding and heat conduction embedding form to close and be fixed in skeleton.
Coupling construction package, ferrite bar, the nonreciprocal circular polarizer of symmetric figure all adopt rotary structure.
The iron-nickel alloy of the outer bonding flat of described skeleton box body.
Beneficial effect:
Phase shifter opposite band of the present invention is wide, does not disturb each other, and lossy microwave is little. The nonreciprocal circular polarizer of symmetric figure being made up of four blocks of permanent Magnet is set at ferrite bar two ends, it is provided with between two nonreciprocal circular polarizers and driving coil is placed in one, and form the yoke of locking-type magnetic circuit, wider relative bandwidth can be obtained, reduce standing wave and loss, it is to avoid interfere between the phase shifter. Adopt the phase shifter transversely arranged time, each other without interference with. It has been experienced that, the standing wave of the present invention less than 1.6, lossy microwave representative value 0.9dB, have the relative bandwidth of nearly 10%.
Lightweight, lateral dimension is little. The present invention adopts the main body of flat cuboid box-like Skeleton assembly phase shifter, reduces phase shifter lateral dimension and weight. Lateral dimension (Z-direction) can accomplish��5.9mm; Single phase shifter can accomplish less than 15 grams; When phase shifter is transversely arranged, each other without interference with.
The design thin-walled rotary structure of microwave transmission structure innovation of the present invention, and adopt bonding and heat conduction embedding form closing to be fixed in skeleton, reduce device size, it is ensured that the structural strength of device. Experiment results proved, the Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter of this structure fully meets the test requirements document of equipment dither, random vibration, resistance to acceleration and impact.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter of the present invention.
In figure: 1 ferrite bar, 2 skeleton box bodys, 3 coupling construction packages, 4 yokes, 5 nonreciprocal circular polarizers, 6 drive coil, 7 coiling sets, 8 printed boards, 9 housings, 10 screening covers.
Detailed description of the invention
In Fig. 1 minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter described; ferrite phase shifter main part mainly includes; cylinder ferrite bar 1; it is symmetrical in two groups of nonreciprocal circular polarizers 5 of ferrite bar 1 both sides; form the yoke 4 of locking-type magnetic circuit, drive two groups of coupling construction packages 3 of coil 6 and skeleton box body 2 both sides. And above-mentioned each assembly is fastened on skeleton box body 2 by bonding or screw. Skeleton box body 2 with screening cover 10 is a flat box-like cuboid. Skeleton box body 2 two ends end face is shaped with the through hole by above-mentioned coupling construction package 3. It is assemblied in skeleton box body 2 box body and is set with the ferrite bar 1 driving coil 6, be a rotary body with circular cross-section. The periphery of ferrite bar 1 is coated with the coat of metal forming Medium Wave Guide. Printed board 8 with the drive circuit that described driving coil 6 electrically connects is fixed on the concave surface in the middle part of the longitudinal side of skeleton box body 2. Printed board 8 is fixed by adhering with epoxy resin and screw. Drive coil 6 to be wound on coiling set 7, and be enclosed within the middle part of ferrite bar 1 by coiling set 7. Drive coil 6 to be drawn by the breach on skeleton box body 2 and printed board 8, and be welded in printed board. Being provided with the nonreciprocal circular polarizer 5 of symmetric figure being respectively made up of four blocks of permanent Magnet on the two ends cylinder of described ferrite bar 1, four blocks of permanent Magnet are uniform around the face of cylinder decile of ferrite bar 1. Housing 9 is rotary structure, is made up of pure iron DT-4, is arranged on the coupling construction package 3 that symmetrical ferrite bar 1 both sides connect. Housing 9 can cover the magnetic field shielding nonreciprocal circular polarizer by mating the fixing permanent Magnet of construction package 3 detent.
It is provided with between two nonreciprocal circular polarizers 5 and driving coil 6 is placed in one, and form the yoke 4 of locking-type magnetic circuit. Two pieces of yokes 4 are longitudinally asymmetric in the both sides, front and back of ferrite bar 1, are assemblied in coiling along Y-direction relative to ferrite bar 1 symmetry and overlap 7 both sides. Coupling construction package 3 one end, on the cylinder of nonreciprocal circular polarizer 5, is shaped with location and the breach groove of fixing permanent Magnet. The nonreciprocal circular polarizer 5 of adjacent yoke 4 both sides, on it, the permanent Magnet of distribution is by mating locating notch groove on construction package 3, is assemblied on ferrite bar 1. Coupling construction package 3 connects ferrite bar 1 by the through hole on the end face of skeleton box body 2 cuboid box-like two ends.
2 liang wide screening cover 10 being made up of adhering with epoxy resin iron-nickel alloy 1J79 of skeleton box body shields. Each assembly in phase shifter adopts adhering with epoxy resin to fix, and with heat conduction PGL embedding.
Claims (4)
1. a minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter, including, one box-like skeleton with screening cover and the ferrite bar being assemblied in described skeleton box body and being set with driving coil, and it is connected the coupling construction package of described ferrite bar with drive circuit and the symmetrical skeletal both sides of the electrical connection of described driving coil, it is characterized in that, the two ends cylinder of described ferrite bar is provided with the nonreciprocal circular polarizer of symmetric figure being respectively made up of four blocks of permanent Magnet, permanent Magnet is covered with the housing shielding nonreciprocal circular polarizer magnetic field, it is provided with between two nonreciprocal circular polarizers and is wound on coiling set, and it is enclosed within the driving coil on ferrite bar, two pieces of yoke symmetries are assemblied on ferrite bar, locking-type magnetic circuit is formed with ferrite bar.
2. a kind of minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter as claimed in claim 1, it is characterised in that
Described skeleton box body adopts flat structure, and coupling construction package, ferrite bar, the nonreciprocal circular polarizer of symmetric figure are adopted bonding and heat conduction embedding form to close and be fixed in skeleton.
3. a kind of minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter as claimed in claim 2, it is characterised in that
Coupling construction package, ferrite bar, the nonreciprocal circular polarizer of symmetric figure all adopt rotary structure.
4. a kind of minimized wide-band Millimeter Waves Dual-Mode reciprocity latching ferrite phase shifter as claimed in claim 1, it is characterised in that
The iron-nickel alloy of the outer bonding flat of described skeleton box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687681.3A CN105633517A (en) | 2014-11-24 | 2014-11-24 | Miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410687681.3A CN105633517A (en) | 2014-11-24 | 2014-11-24 | Miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter |
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| Publication Number | Publication Date |
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| CN105633517A true CN105633517A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410687681.3A Pending CN105633517A (en) | 2014-11-24 | 2014-11-24 | Miniaturized broadband millimeter wave double-mode reciprocity locking-type ferrite phase shifter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972226A (en) * | 2017-05-31 | 2017-07-21 | 北京无线电测量研究所 | One kind miniaturization ferrite phase shifter |
| CN107994346A (en) * | 2017-11-15 | 2018-05-04 | 北京无线电测量研究所 | A kind of communication in moving full-polarizer and microwave signal process method |
| CN109444834A (en) * | 2018-10-23 | 2019-03-08 | 北京无线电测量研究所 | A kind of circular polarizer assembly test method for reciprocal ferrite phase shifter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2249281C2 (en) * | 2003-05-22 | 2005-03-27 | Колесников Валерий Львович | Phased-array antenna element |
| CN203690450U (en) * | 2013-11-28 | 2014-07-02 | 中国航空工业集团公司雷华电子技术研究所 | Ferrite phase shifter provided with novel shield |
-
2014
- 2014-11-24 CN CN201410687681.3A patent/CN105633517A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2249281C2 (en) * | 2003-05-22 | 2005-03-27 | Колесников Валерий Львович | Phased-array antenna element |
| CN203690450U (en) * | 2013-11-28 | 2014-07-02 | 中国航空工业集团公司雷华电子技术研究所 | Ferrite phase shifter provided with novel shield |
Non-Patent Citations (2)
| Title |
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| 刘永锋: "《双模互易铁氧体移相器》", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
| 胡岚等: "《双模互易铁氧体移相器》", 《现代雷达》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972226A (en) * | 2017-05-31 | 2017-07-21 | 北京无线电测量研究所 | One kind miniaturization ferrite phase shifter |
| CN106972226B (en) * | 2017-05-31 | 2019-09-06 | 北京无线电测量研究所 | A kind of miniaturization ferrite phase shifter |
| CN107994346A (en) * | 2017-11-15 | 2018-05-04 | 北京无线电测量研究所 | A kind of communication in moving full-polarizer and microwave signal process method |
| CN107994346B (en) * | 2017-11-15 | 2020-03-27 | 北京无线电测量研究所 | All-polarization device for communication in motion and microwave signal processing method |
| CN109444834A (en) * | 2018-10-23 | 2019-03-08 | 北京无线电测量研究所 | A kind of circular polarizer assembly test method for reciprocal ferrite phase shifter |
| CN109444834B (en) * | 2018-10-23 | 2020-10-20 | 北京无线电测量研究所 | Circular polarizer assembly test method for reciprocal ferrite phase shifter |
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