CN101894998A - Ultra-thin three-port waveguide junction circulator - Google Patents
Ultra-thin three-port waveguide junction circulator Download PDFInfo
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- CN101894998A CN101894998A CN2010102306583A CN201010230658A CN101894998A CN 101894998 A CN101894998 A CN 101894998A CN 2010102306583 A CN2010102306583 A CN 2010102306583A CN 201010230658 A CN201010230658 A CN 201010230658A CN 101894998 A CN101894998 A CN 101894998A
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Abstract
The invention discloses an ultra-thin three-port waveguide junction circulator which is characterized in that a pair of constant magnets for providing a steady bias magnetic field is arranged in a waveguide cavity so that the bias constant magnets and a Y-shaped matching step in the waveguide cavity form a whole; and then, regularly triangular ferrite pieces are directly placed on the constant magnets to form an internally-magnetic waveguide junction circulator, the mutual distance is reduced, and simultaneously, the thickness and the size of the constant magnets are reduced to keep an appropriate bias field so that the thickness of the waveguide junction circulator is close to the appearance size of a standard waveguide tube along the b direction, and the height of the waveguide junction circulator is one third of the common three-centimeter three-port waveguide junction circulator, therefore, the ultra-thin three-port waveguide junction circulator is suitable for being compactly arranged and installed on an array antenna. The circulator can obtain higher finished product ratio as long as the size of the constant magnetic field and the parameters and the size of a ferrite sample are strictly controlled, and is basically unnecessary to do other debugging, except for replacing a ferrite triangular piece.
Description
Technical field
The invention belongs to the waveguide devices field, definite a kind of ultra-thin three end waveguide junction circulators of saying so are used to have the microwave transmission system of special technical requirement.
Background technology
Generally more than or equal to standard adpting flange size, profile as shown in Figure 1 for the transverse profile of existing general three centimetres of waveguide junction circulators.This circulator can satisfy the demand of most microwave systems.But for some such as slotted waveguide array antenna system or other special transmission system, requirement (as the duct height direction) on a certain direction only use with the approaching width of standard waveguide b size on settle a waveguide junction circulator, and closely be arranged in array by a plurality of circulators, then use common waveguide junction circulator obviously can not realize.Need a kind of ultra-thin waveguide junction circulator of design to satisfy the specification requirement of this class microwave transmission system.
Content of the present invention
The technical problem to be solved in the present invention is the volume defect that overcomes circulator in the prior art, and a kind of waveguide junction circulator of ultra-thin size is provided, thereby solves the array problem of three-port waveguide junction circulator in antenna array.
The scheme that the present invention solves the problems of the technologies described above realizes by design " internal magnetization " waveguide junction circulator.The special feature of so-called " internal magnetization " three-port waveguide junction circulator is a confrontational structure, to provide the permanent magnet of permanent steady bias magnetic field to move in the waveguide cavity outward by waveguide cavity, be combined into one with the Y shape quarter-wave impedance matching step in the waveguide cavity, again the equilateral triangle ferrite sheet directly is placed on the permanent magnetic sheet, constitutes " internal magnetization " waveguide junction circulator.Consider that the place of inlaying permanent magnetic disk is the place that electromagnetic field is relatively concentrated, silver-plated in permanent magnetic disk surfaces, to improve its electric conductivity and to reduce lossy microwave.Consider the discharge sparking problem at edge, slit simultaneously, during design permanent magnetic disk and the tolerance fit of inlaying circular groove have been proposed special requirement.Permanent magnetic disk is the stable SmCo permanent magnetic material of temperature performance, and it is of a size of
Surface field intensity 750G
S, magnet surface adopts the protection of silver-plated back to handle.
" internal magnetization " design of waveguide junction does not change the basic functional principle of circulator, still based on under the acting in conjunction of direct current biasing magnetic field and microwave magnetic field, tensor permeability that gyromagnetic material produces and the nonreciprocal transmission characteristic that produces when it is loaded on waveguide.
Because built-in with a pair of permanent magnet reduced mutual distance, and the internal field in the gyromagnetic material is increased greatly, in order to keep suitable bias-field, the thickness and the volume of permanent magnet reduced accordingly significantly.Certainly, this design is not simply to become built-inly by external, and permanent magnet no longer is the single role that D.C. magnetic field only is provided, and also as the part of coupling step, it must electroplate, to possess excellent conducting performance.By built-in design, the be near the mark overall dimension of waveguide b direction of the thickness of this waveguide junction circulator highly is 1/3rd of common three centimetre of three end waveguide junction circulator, is suitable for being compactly arranged of installation on array antenna.
The present invention more is adapted to the lower magnetic field of setovering, and can bear the following microwave peak power of 20KW, because in common X-band phased array antenna, the power that single circulator bore can not surpass 10KW.Therefore, the present invention can microwave peak power is lower not to limit its use because of bearing.
The structural parameters of Y shape quarter-wave impedance matching step are determined by the microwave designing of circulator in the waveguide junction of the present invention, promptly operating frequency and the bandwidth of operation by circulator determines, three brachium 15mm of branch of step, the wide 11mm of arm, height 1.6mm, be 120 ° of Y shape symmetrical structures, with the groove and the whole processing of waveguide lid of wave-guide cavity wave.
Equilateral triangle ferrite sheet of the present invention is saturation magnetization 4 π M
SValue is 1600G
SLithium titanium series material, its leg-of-mutton length of side is 10.5 ± 0.1, thickness 3.0mm.
The present invention compared with prior art has more advantage:
1. by " internal magnetization " formula design of waveguide junction, the high compression that can make circulator has realized ultra-thin, ultralight to 1/3rd of traditional design, is convenient to install in array antenna.Its various performance parameters and traditional circulator basically identical.
2. because waveguide junction has been realized ultra-thin, ultralight, save waveguide case material and permanent magnetic material, reduced production cost.
3. satisfied the especially special instructions for use of crack waveguide array antenna array of array antenna.
Description of drawings
The common three centimetres of waveguide junction circulator profile pictures of Fig. 1
The volume ratio of ultra-thin circulator of Fig. 2 and common circulator is than picture
The schematic diagram of Fig. 3 (a) biasing permanent magnet of the present invention
Fig. 3 (b) triangle ferrite sheet schematic diagram
Fig. 4 the present invention three ends knot chamber lid and rigging position schematic diagram
The schematic diagram of Fig. 5 the present invention three ends knot chamber groove and rigging position
The profile schematic diagram of Fig. 6 internal magnetization three end junction circulators of the present invention
Embodiment
In conjunction with above-mentioned accompanying drawing and preferred embodiment overall structure of the present invention and implementation process are done concrete detailed description the in detail.The present invention is designed to " internal magnetization " waveguide junction circulator with three centimetres of three-port waveguide junction circulators.
As shown in Figure 4 and Figure 5, the present invention adopts chamber grooves and the processing respectively of chamber lid to three centimetres of three-port waveguide junction circulators, according to working band and microwave engineering theoretical design in the three end waveguide junction chamber grooves respectively with experience and the chamber lid in Y shape quarter-wave impedance matching step.Y shape step 2 is 120 ° of symmetrical distributions, the brachium 15mm of three branches, and the wide 11mm of arm, the center of Y shape step 2 is a circular groove, covers integrated processing with waveguide cavity groove and waveguide.
Fig. 3 (a) is the schematic diagram of biasing permanent magnet, and the biasing permanent magnet is a wafer architecture.Fig. 3 (b) is a triangle ferrite sheet schematic diagram.The present invention is embedded in two biasing permanent magnets 1 respectively in the waveguide cavity groove circular groove close with its size with interior " Y " shape coupling of waveguide lid step center.Again equilateral triangle ferrite sheet 3 directly is placed on the permanent magnetic sheet 1, constitutes " internal magnetization " waveguide junction circulator (seeing Fig. 4 and Fig. 5).Permanent magnetic disk 1 is the stable SmCo permanent magnetic material of temperature performance, and it is of a size of
Surface field intensity 750G
S, magnet surface adopts the protection of silver-plated back to handle.The groove of three port waveguide cavity bored the center circular groove of inlaying magnet steel with covering before surface treatment, it is of a size of
Permanent magnetic disk and the tolerance fit of inlaying circular groove are met the demands.With conducting resinl that two contact-making surfaces are bonding then, the outer surface of circular permanent magnetic sheet is flushed with " Y " shape coupling step surface.The optimum size of noting Ferrite Material that different manufacturer produces and permanent magnetic material is slightly different, should in time revise, and also can pass through the high frequency emulation technology, further parameters optimization.
The present invention goes out the magnetostatic parameter and the equilateral triangle size of required Ferrite Material according to the ferrite device Theoretical Calculation, and the equilateral triangle ferrite sheet is saturation magnetization 4 π M
SValue is 1600G
SLithium titanium series material, its leg-of-mutton length of side is 10.5 ± 0.1, thickness 3.0mm.The triangular plate size should be the optimum size of selecting through repetition test at decide under the permanent magnetic, to guarantee to have again high rate of finished products.
During assembling, measure each maximum field, place, and guarantee that the internal field is at 20G according to the magnetic direction of the unanimity of determining to the polarity and the inside cavity of magnetic sheet
SFluctuation range within, be coated with the skim conducting resinl at permanent magnetic sheet and wave-guide cavity wave joint, especially in bonding crack all around, to fill up with conducting resinl, outerplanar will be cleaned out, get final product assembling and setting after the curing, notice that magnetic direction must be correct consistent, can not entanglement, otherwise cavity will be scrapped, because can't change after the bonding.
Ferrite triangular plate 3 one sides of getting ready are coated a little 705 silicon rubber, insert the cavity center, leg-of-mutton three the top of the horns are aimed at respectively on the axis of three branches on the Y shape step, and with the dead in line of Waveguide branching, at this moment the center of triangle and Y shape step overlaps.Waveguide cavity and waveguide lid after the adhesive curing, the pin location, screw is fastenedly connected and is assembled into three end junction circulators shown in Figure 6.The measurement performance parameter of can reaching the standard grade, but the length of side of diabolo is slightly done fine setting in case of necessity, and its adjustment amount is 0.2mm.The waveguide cavity groove of three ends knot waveguide junction circulator and chamber are covered on inner-cavity structure and are become 90 ° "T"-shaped external-connected port by 120 ° of Y shape symmetrical structure rounding ofves, its "T"-shaped external-connected port is connected with system by the flat flange of overall dimension 17 * 54mm, and the waveguide mouth still is BJ-100 standard size 22.86 * 10.16mm.
Fig. 2 is that the overall volume of three centimetres of three-port waveguide junction circulators of internal magnetization of the present invention and common waveguide junction circulator is relatively illustrated, from picture, can know " internal magnetization " formula design of seeing by waveguide junction, the high compression that can make circulator has realized ultra-thin, ultralight to 1/3rd of traditional design.Waveguide junction circulator of the present invention has satisfied installation requirement in array antenna.
Claims (5)
1. a ultra-thin three-port waveguide junction circulator is characterized in that: a pair of biasing permanent magnet (1) is placed within the wave-guide cavity wave, the Y shape coupling step (2) in biasing permanent magnet (1) and the waveguide cavity is become one; Again equilateral triangle ferrite sheet (3) directly is placed on the permanent magnetic sheet (1), constitute " internal magnetization " waveguide junction circulator, two phase mutual edge distances of setovering between the permanent magnet in the waveguide junction circulator have been effectively reduced, and reduce the thickness and the volume of permanent magnet simultaneously, be suitable on array antenna, being compactly arranged of installation.
2. ultra-thin three-port waveguide junction circulator according to claim 1, it is characterized in that: described " Y " shape coupling step (2) is separately positioned in chamber groove and the chamber lid, cover integrated processing with waveguide cavity groove and waveguide, " Y " shape coupling step is 120 ° of symmetrical distributions, its three brachium 15mm of branch, the wide 11mm of arm, height 1.6mm, open a circular groove at coupling step center, be used for assembling biasing permanent magnet (1).
3. ultra-thin three-port waveguide junction circulator according to claim 1 and 2 is characterized in that: described biasing permanent magnet (1) is the samarium-cobalt material circular piece, is of a size of Φ 15 * 1.2mm, and surface electric field intensity is 750G
SThe electroplate of magnet is to improve electric conductivity, two biasing permanent magnets are embedded in respectively in the waveguide cavity groove circular groove close with its size with interior " Y " shape coupling of waveguide lid step center, with the contact-making surface conductive adhesive of groove, the outer surface of circular permanent magnetic sheet is flushed with " Y " shape coupling step surface.
4. ultra-thin three-port waveguide junction circulator according to claim 1 is characterized in that: described positive triangle ferrite sheet (3) is 1600G by saturation magnetization
SLithium ferrotianium ferrite constitute, the length of side 10.5mm of equilateral triangle ferrite sheet, thickness 3.0mm, stick with glue knot on the permanent magnet disk, its three drift angles are aimed at respectively and are pressed on the axis that is inscribed in three branches on the Y shape step in advance, with the dead in line of Waveguide branching, the center of triangle ferrite sheet overlaps with the center of " Y " shape step simultaneously.
5. ultra-thin three-port waveguide junction circulator according to claim 2, it is characterized in that: the chamber groove of described three-port waveguide junction circulator and chamber cover split-type formula process and assemble form, the port adpting flange is the special-shaped flange of overall dimension 17 * 54mm, and the waveguide mouth still is BJ-100 standard size 22.86 * 10.16mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010230658.3A CN101894998B (en) | 2010-07-16 | 2010-07-16 | Ultra-thin three-port waveguide junction circulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010230658.3A CN101894998B (en) | 2010-07-16 | 2010-07-16 | Ultra-thin three-port waveguide junction circulator |
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| CN101894998A true CN101894998A (en) | 2010-11-24 |
| CN101894998B CN101894998B (en) | 2014-01-22 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629705A (en) * | 2012-04-28 | 2012-08-08 | 成都泰格微波技术股份有限公司 | C-band high-power circulator and production process thereof |
| CN103490130A (en) * | 2013-08-30 | 2014-01-01 | 南京信息职业技术学院 | Waveguide junction circulator and manufacturing method of matching block thereof |
| CN103513194A (en) * | 2013-10-06 | 2014-01-15 | 李向阳 | Waveguide coupling magnetoelectricity device |
| CN104786171A (en) * | 2015-04-29 | 2015-07-22 | 西南应用磁学研究所 | Contact gyromagnet substrate bonding positioning tool and positioning method |
| CN104916891A (en) * | 2015-06-30 | 2015-09-16 | 成都八九九科技有限公司 | High-power waveguide circulator |
| CN105659315A (en) * | 2013-08-21 | 2016-06-08 | 德克萨斯大学系统董事会 | Non-reciprocal acoustic devices based on linear or angular momentum biasing |
| CN108306084A (en) * | 2018-03-06 | 2018-07-20 | 西南应用磁学研究所 | Three holes ground connection minimizes quasi- SIW circulators |
| CN109494438A (en) * | 2018-11-02 | 2019-03-19 | 中国航天时代电子有限公司 | A kind of waveguide transceiver insulation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874055A (en) * | 2001-10-10 | 2006-12-06 | 马科尼通讯股份有限公司 | Circulator |
| CN2904324Y (en) * | 2006-04-27 | 2007-05-23 | 摩比天线技术（深圳）有限公司 | Circulator with junction |
| CN201112534Y (en) * | 2007-09-18 | 2008-09-10 | 北京华大智宝电子系统有限公司 | High power annular equipment |
-
2010
- 2010-07-16 CN CN201010230658.3A patent/CN101894998B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1874055A (en) * | 2001-10-10 | 2006-12-06 | 马科尼通讯股份有限公司 | Circulator |
| CN2904324Y (en) * | 2006-04-27 | 2007-05-23 | 摩比天线技术（深圳）有限公司 | Circulator with junction |
| CN201112534Y (en) * | 2007-09-18 | 2008-09-10 | 北京华大智宝电子系统有限公司 | High power annular equipment |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629705A (en) * | 2012-04-28 | 2012-08-08 | 成都泰格微波技术股份有限公司 | C-band high-power circulator and production process thereof |
| CN105659315A (en) * | 2013-08-21 | 2016-06-08 | 德克萨斯大学系统董事会 | Non-reciprocal acoustic devices based on linear or angular momentum biasing |
| CN103490130A (en) * | 2013-08-30 | 2014-01-01 | 南京信息职业技术学院 | Waveguide junction circulator and manufacturing method of matching block thereof |
| CN103490130B (en) * | 2013-08-30 | 2016-03-02 | 南京信息职业技术学院 | Waveguide junction circulator and manufacturing method of matching block thereof |
| CN103513194A (en) * | 2013-10-06 | 2014-01-15 | 李向阳 | Waveguide coupling magnetoelectricity device |
| CN103513194B (en) * | 2013-10-06 | 2016-03-02 | 宁波大红鹰学院 | A kind of waveguide-coupled magnetoelectronic devices |
| CN104786171A (en) * | 2015-04-29 | 2015-07-22 | 西南应用磁学研究所 | Contact gyromagnet substrate bonding positioning tool and positioning method |
| CN104916891A (en) * | 2015-06-30 | 2015-09-16 | 成都八九九科技有限公司 | High-power waveguide circulator |
| CN108306084A (en) * | 2018-03-06 | 2018-07-20 | 西南应用磁学研究所 | Three holes ground connection minimizes quasi- SIW circulators |
| CN108306084B (en) * | 2018-03-06 | 2023-09-12 | 西南应用磁学研究所 | Three-hole grounding miniaturized quasi-SIW circulator |
| CN109494438A (en) * | 2018-11-02 | 2019-03-19 | 中国航天时代电子有限公司 | A kind of waveguide transceiver insulation device |
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| Publication number | Publication date |
|---|---|
| CN101894998B (en) | 2014-01-22 |
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