CN109860968A - A kind of highly reliable novel microwave circulator of aerospace - Google Patents
A kind of highly reliable novel microwave circulator of aerospace Download PDFInfo
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- CN109860968A CN109860968A CN201811627980.2A CN201811627980A CN109860968A CN 109860968 A CN109860968 A CN 109860968A CN 201811627980 A CN201811627980 A CN 201811627980A CN 109860968 A CN109860968 A CN 109860968A
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- lower case
- upper housing
- ferrite
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Abstract
A kind of highly reliable novel microwave circulator of aerospace, belongs to microwave isolator technical field.The present invention includes upper housing, lower case, mating structure, upper gyromagnetic ferrite, lower gyromagnetic ferrite, dielectric ring, medium spring, permanent magnet.Mating structure is fixedly mounted in upper housing and lower case inner side end；Upper gyromagnetic ferrite and backspin ferrite are fixed on upper housing and lower case mating structure respectively using bonding agent；Dielectric ring is mounted on gyromagnetic ferrite and mating structure；Medium spring is located in dielectric ring, between two gyromagnetic ferrites；Permanent magnet is installed in upper housing and lower case other end ferrite top position.Microwave circulators microwave property of the present invention is good, power is born up to kW magnitude, at the same dielectric ring can gyromagnetic ferrite and lower gyromagnetic ferrite in auxiliary positioning, gyromagnetic ferrite and lower gyromagnetic ferrite on medium spring supporting, stable structure is reliable, and processing, assembly difficulty are low.
Description
Technical field
The present invention relates to a kind of microwave and RF Components, the highly reliable novel microwave circulator of especially a kind of aerospace,
Belong to microwave isolator technical field.
Background technique
Microwave circulator is a kind of anisotropy element, there is very important application in microwave and RF application.It goes in ring
Device can connect after power source, protect power source using its unidirectional transmission property, it is also possible to make transmit-receive switch, it is logical to be effectively isolated transmitting-receiving
Road guarantees that link works normally.The circulator applied under aerospace environment both requires to be able to bear high power, guarantees again reliable
Property.
Dielectric is added in circulator cavity can hinder electron motion, reduce secondary electron quantity, inhibit micro- and put
Electrical phenomena occurs, and improves vacuum power capacity.Existing mode is that dielectric is processed into column construction, and cylindricality both ends have recessed
Slot, for accommodating gyromagnetic ferrite, both ends groove is not penetrated through.The fully wrapped around two panels gyromagnetic ferrite substrate up and down of dielectric,
It can make ferrite horizontal direction and axial stress simultaneously, ferrite is more easily broken under high power conditions, and circulator is caused to fail.Such as
To avoid causing to squeeze to ferrite, groove and ferrite surfaces can have a bit of the air gap, and ferrite is once from cavity
The circulator performance that falls off sharply will deteriorate or even can not work normally.And need strict control medium both ends groove tolerance and assembly essence
Degree, causes processing cost to increase, and assembly difficulty improves, and is unfavorable for the design processing of circulator.
A kind of highly reliable circulator of aerospace is needed thus, so that circulator can either bear high power, and easy to process
And assembly.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of highly reliable microwave circulator of aerospace,
Dielectric is processed into dielectric ring and medium spring structure, medium ring set is outside the mating structure of upper-lower casing and ferrite
It enclosing, medium spring is located in dielectric ring, between upper and lower gyromagnetic ferrite, power capacity is improved, and provide support to ferrite,
Dielectric ring and medium spring and shell, mating structure cooperate between ferrite reliable and stable, and processing technology is simple, easy to assembly.
The technical solution of the invention is as follows: a kind of aerospace highly reliable novel microwave circulator, including upper housing, lower casing
Body, mating structure, gyromagnetic ferrite, medium spring, permanent magnet；The upper housing and lower case respectively have one end to be equipped with the permanent magnetic of installation
It is fixedly mounted for adjusting circulator microwave property on another end surfaces of the permanent magnet slot of body, the upper housing and lower case
Mating structure；The mating structure surface of the upper housing and lower case is fixedly connected with gyromagnetic ferrite；The medium spring
Between two gyromagnetic ferrites being fixedly connected in the mating structure of upper housing and lower case, squeezed with two gyromagnetic ferrites
Press contacts.
Further, the medium spring includes the spring of several parallel connections, and each spring is respectively positioned on upper housing and lower case
Mating structure between two gyromagnetic ferrites being fixedly connected.
Further, the mating structure includes boss, and the gyromagnetic ferrite is fixedly mounted on the boss surface.
It further, further include dielectric ring, the medium ring set is on gyromagnetic ferrite excircle, through upper housing under
Squeezing action when one end of the installation mating structure of shell is fixedly connected is fixed on boss.
Further, the mating structure of the upper housing and lower case respectively with upper housing and lower casing body by integral forming.
Further, the boss includes Y shape boss and cylindrical end tangs, and the cylindrical end tangs are located on Y shape boss, described
Gyromagnetic ferrite is fixedly mounted on the cylindrical end tangs surface, and without departing from the cylindrical end tangs periphery.
Further, the medium ring set passes through the installation mating structure of upper housing and lower case in cylindrical end tangs periphery
Squeezing action of one end when being fixedly connected be fixed on Y shape boss.
Further, the boss is triangle boss, and the medium ring set passes through upper housing in gyromagnetic ferrite periphery
Squeezing action when being fixedly connected with one end of the installation mating structure of lower case is fixed on triangle boss.
Further, gas vent is provided on the medium ring-side wall.
It further, further include permanent magnet fixing piece for fixing permanent magnet, the permanent magnet fixing piece is U-shaped knot
Structure, two top are fixedly connected with the surface of upper housing and lower case installation permanent magnet respectively.
The invention has the benefit that
(1) the fully wrapped around mode of medium is changed to dielectric ring and medium spring assembly form by the present invention, and medium ring set exists
In mating structure and ferrite, Ferrite Material stress is reduced, avoids ferrite fever under high power conditions broken, effectively
Increase circulator power capacity.
(2) the medium spring that the present invention uses is squeezed in normal work, provides support to ferrite, once occur
Ferrite falls off, and spring force can make ferrite and shell keep being in close contact, and guarantees that circulator works normally, and increases reliable
Property.
(3) the medium ring set that the present invention uses is compared in mating structure and ferrite periphery, dielectric ring in cylindrical di two
End processing groove is more easily implemented, and processing cost is lower.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the invention；
Fig. 2 is the top view of the mating structure of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of second of embodiment of the invention；
Fig. 4 is the top view of the mating structure of the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram of the yoke of the third embodiment of the invention.
Number and corresponding component title represented by letter in figure:
1- upper housing, 2- lower case, 3- mating structure, the upper gyromagnetic ferrite of 4-, gyromagnetic ferrite under 5-, 6- dielectric ring,
7- medium spring, 8- permanent magnet, 9- permanent magnet fixing piece
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings..
Embodiment one:
As shown in Figure 1, 2, the highly reliable novel microwave circulator of a kind of aerospace, is connected and composed by upper housing 1 and lower case 2
Circulator shell.1 end surface of upper housing has the mating structure 3 for adjusting microwave property.Mating structure 3 includes Y shape boss
And cylindrical end tangs, it is integrally machined molding with upper housing 1, for adjusting microwave parameters.Using bonding agent acetal adhesive solution by upper gyromagnet
Ferrite 4 is fixed in the cylindrical end tangs of mating structure 3.Lower case 2 and lower gyromagnetic ferrite 5 are similarly operated.
Lower case 2 is placed on platform, 6 sets of dielectric ring outside the cylindrical end tangs of mating structure 3 and lower gyromagnetic ferrite 5
It encloses, the inside radius of dielectric ring 6 is determined by cylindricality mating structure and ferrite radius, bigger than cylindricality mating structure and ferrite radius
0.03mm-0.05mm will not generate extruding to ferrite.Medium spring 7 is put into dielectric ring 6, position is placed in the middle.It then will
Mating structure and ferrite through completing the upper housing 2 that lower gyromagnetic ferrite 4 is bonded are installed into dielectric ring 6, then by 1 He of upper housing
Lower case 2 is connected with screw, and medium spring 7 is contacted with two gyromagnetic ferrite extruding.Dielectric ring 6 passes through 1 He of upper housing
Extruding when one end of the installation mating structure 3 of lower case 2 is fixedly connected is fixed on Y shape boss.The end face of shell, matching knot
Structure, ferrite, dielectric ring and medium spring constitute the microwave access of circulator.
1 other end ferrite concentric position of upper housing has cylindrical groove, for installing permanent magnet 7.Magnetizing direction is upper and lower
Direction.Even magnetic sheet can be used, make Distribution of Magnetic Field more evenly, temperature-compensating plate also can be used, increase circulator operating temperature range.
The other end of lower case 2 and upper housing 1 carry out identical operation.Permanent magnet in upper-lower casing provides steady magnetic for ferrite
?.
The course of work of the invention: under the steady magnetic field that permanent magnet provides, microwave enters circulator, the end face of shell,
Mating structure, ferrite, dielectric ring and medium spring constitute the good microwave access of matching, make microwave signal in circulator
According to specific path one-way transmission.When loading high power, since obstruction of the dielectric structure to trajectory of electron motion reduces two
The quantity of secondary electronics improves micro-discharge threshold, increases circulator power capacity.
Embodiment two:
As shown in Figure 3,4, the boss of mating structure 3 is triangle boss, above has tuning column for adjusting microwave property.It is situated between
6 sets of the matter ring extruding in ferrite periphery, when being fixedly connected by upper housing 1 with one end of the installation mating structure 3 of lower case 2
It is fixed on triangle shape boss.
Embodiment three:
As shown in figure 5, upper housing 1 with lower case 2 after screw connects, outside install permanent magnet fixing piece 9.Permanent magnetic
Body fixing piece 9 is U-shaped structure, is connect using screw with shell.Permanent magnet fixing piece 9 is processed using electromagnetic pure iron material, magnetic conduction
Performance is good, forms closed magnetic circuit with permanent magnet 8, can reduce the leakage of circulator magnetic, reduce the influence to peripheral devices.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (10)
1. a kind of highly reliable novel microwave circulator of aerospace, it is characterised in that: including upper housing (1), lower case (2), matching
Structure (3), gyromagnetic ferrite, medium spring (7), permanent magnet (8)；The upper housing (1) and lower case (2) respectively have one end to be equipped with
It is fixedly mounted and is used on another end surfaces of the permanent magnet slot of installation permanent magnet (8), the upper housing (1) and lower case (2)
Adjust the mating structure (3) of circulator microwave property；Mating structure (3) surface of the upper housing (1) and lower case (2) is solid
Surely gyromagnetic ferrite is connected；The medium spring (7) is located in the mating structure (3) of upper housing (1) and lower case (2) fixed company
Between two gyromagnetic ferrites connect, contacted with two gyromagnetic ferrite extruding.
2. a kind of highly reliable novel microwave circulator of aerospace according to claim 1, it is characterised in that: the medium bullet
Spring (7) includes the spring of several parallel connections, and each spring is respectively positioned in the mating structure (3) of upper housing (1) and lower case (2) fixed
Between two gyromagnetic ferrites of connection.
3. a kind of highly reliable novel microwave circulator of aerospace according to claim 1 or 2, it is characterised in that: described
Distribution structure (3) includes boss, and the gyromagnetic ferrite is fixedly mounted on the boss surface.
4. a kind of highly reliable novel microwave circulator of aerospace according to claim 3, it is characterised in that: further include medium
Ring (6), the dielectric ring (6) cover on gyromagnetic ferrite excircle, are matched by the installation of upper housing (1) and lower case (2)
Squeezing action when one end of structure (3) is fixedly connected is fixed on boss.
5. a kind of highly reliable novel microwave circulator of aerospace according to claim 3, it is characterised in that: the upper housing
(1) it is integrally formed respectively with upper housing (1) and lower case (2) with the mating structure (3) of lower case (2).
6. a kind of highly reliable novel microwave circulator of aerospace according to claim 3, it is characterised in that: the boss packet
Y shape boss and cylindrical end tangs are included, the cylindrical end tangs are located on Y shape boss, and the gyromagnetic ferrite is fixedly mounted on the column
Shape boss surface, and without departing from the cylindrical end tangs periphery.
7. a kind of highly reliable novel microwave circulator of aerospace according to claim 6, it is characterised in that: the dielectric ring
(6) it covers in cylindrical end tangs periphery, when being fixedly connected by upper housing (1) with one end of the installation mating structure (3) of lower case (2)
Squeezing action be fixed on Y shape boss.
8. a kind of highly reliable novel microwave circulator of aerospace according to claim 3, it is characterised in that: the boss is
Triangle boss, the dielectric ring (6) cover in gyromagnetic ferrite periphery, are matched by the installation of upper housing (1) and lower case (2)
Squeezing action when one end of structure (3) is fixedly connected is fixed on triangle boss.
9. a kind of highly reliable novel microwave circulator of aerospace according to claim 3, it is characterised in that: the dielectric ring
(6) gas vent is provided on side wall.
10. a kind of highly reliable novel microwave circulator of aerospace according to claim 1 or 2, it is characterised in that: further include
For fixing the permanent magnet fixing piece of permanent magnet (8), the permanent magnet fixing piece is U-shaped structure, two top respectively with it is upper
Shell (1) is fixedly connected with the surface of lower case (2) installation permanent magnet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627980.2A CN109860968B (en) | 2018-12-28 | 2018-12-28 | Novel high-reliability microwave circulator for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627980.2A CN109860968B (en) | 2018-12-28 | 2018-12-28 | Novel high-reliability microwave circulator for aerospace |
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| Publication Number | Publication Date |
|---|---|
| CN109860968A true CN109860968A (en) | 2019-06-07 |
| CN109860968B CN109860968B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811627980.2A Active CN109860968B (en) | 2018-12-28 | 2018-12-28 | Novel high-reliability microwave circulator for aerospace |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713373A (en) * | 2019-10-25 | 2021-04-27 | 南京大学 | Low-temperature-resistant microwave ferrite circulator |
| CN116315546A (en) * | 2022-12-12 | 2023-06-23 | 西安空间无线电技术研究所 | Design method of surface microprotrusion high-power ferrite circulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209756A (en) * | 1976-11-02 | 1980-06-24 | Nippon Electric Co., Ltd. | Circulator comprising a spring member between a ferrimagnetic piece and an adjacent conductor |
| 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 |
| CN205376716U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Circulator magnetic rotating piece positioner |
| CN208093706U (en) * | 2018-05-02 | 2018-11-13 | 南京广顺电子技术研究所 | A kind of broadband waveguide circulator |
-
2018
- 2018-12-28 CN CN201811627980.2A patent/CN109860968B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209756A (en) * | 1976-11-02 | 1980-06-24 | Nippon Electric Co., Ltd. | Circulator comprising a spring member between a ferrimagnetic piece and an adjacent conductor |
| 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 |
| CN205376716U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Circulator magnetic rotating piece positioner |
| CN208093706U (en) * | 2018-05-02 | 2018-11-13 | 南京广顺电子技术研究所 | A kind of broadband waveguide circulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713373A (en) * | 2019-10-25 | 2021-04-27 | 南京大学 | Low-temperature-resistant microwave ferrite circulator |
| CN112713373B (en) * | 2019-10-25 | 2022-05-17 | 南京大学 | Low-temperature-resistant microwave ferrite circulator |
| CN116315546A (en) * | 2022-12-12 | 2023-06-23 | 西安空间无线电技术研究所 | Design method of surface microprotrusion high-power ferrite circulator |
| CN116315546B (en) * | 2022-12-12 | 2024-05-14 | 西安空间无线电技术研究所 | Design method of surface microprotrusion high-power ferrite circulator |
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| CN109860968B (en) | 2021-12-07 |
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