CN206322827U - A kind of X-band waveguide junction circulator - Google Patents
A kind of X-band waveguide junction circulator Download PDFInfo
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- CN206322827U CN206322827U CN201621320462.2U CN201621320462U CN206322827U CN 206322827 U CN206322827 U CN 206322827U CN 201621320462 U CN201621320462 U CN 201621320462U CN 206322827 U CN206322827 U CN 206322827U
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- shell
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- ferrite
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Abstract
The utility model discloses a kind of X-band waveguide junction circulator, and it includes the epicoele shell and cavity of resorption shell that docking up and down forms three port waveguide cavities, and waveguide cavity inside center is provided with y-shaped waveguide knot；Y-shaped waveguide knot includes：First match block, the second match block, the first ferrite and the second ferrite；First match block, the second match block, the first ferrite and second ferritic three angles are respectively facing three ports of waveguide cavity, and four centers of gravity coincide in the projection of vertical direction；First match block and the second match block are connected by assembling step with the first ferrite and the second ferrite respectively；On epicoele shell, correspondence is respectively equipped with the tuning screw for being bolted with and being screwed in inside waveguide cavity port in screw, screw above each waveguide cavity port.X-band waveguide junction circulator of the present utility model is simple in construction, easy regulation, can effectively solve the impedance matching of circulator and accurate quick location and installation debugging problem, shorten the scheduling and planning cycle.
Description
Technical field
The present invention relates to microwave device technology field, particularly a kind of X-band waveguide junction circulator.
Background technology
The quantum jump being the discovery that in microwave technology of ferrite sample, it is a kind of gyromagnetic material.By this material system
The circulator of work, is the widely used critical elements of a class in microwave engineering as a kind of microwave ferrite nonreciprocal device.It
Available for the splitter component in microwave communication；Directional coupler, isolator can be used as in a test device；In parameter amplifier
The gain bandwidth of amplifier can be improved with circulator；In radar and microwave system, circulator can be used as transmit-receive switch.
Common waveguide junction circulator is formed by three waveguides for being mutually 120 ° are intersecting, its centre junction comprising waveguide cavity,
With block, ferrite sample, permanent magnet etc..Match block is used to realize waveguide cavity and the impedance matching of ferrite sample, and permanent magnet is
There is provided the externally-applied magnetic field of ferrite sample for two panels perseverance magnet.
During reality processing, the size of match block and ferrite sample will necessarily produce certain error.In addition,
In assembling process with block and ferrite sample, it is difficult to accomplish to be accurately positioned, certain rigging error can be also produced, so as to lead
Cause the impedance mismatch problem of circulator.In assembling and debugging process, it will necessarily take a substantial amount of time, add work
Amount, causes increase and the waste of time of cost.
The content of the invention
The purpose of the present invention is：A kind of X-band waveguide junction circulator is provided, its simple in construction, easy regulation can be solved effectively
The impedance matching of circulator and accurate quick location and installation debugging problem, shorten the scheduling and planning cycle.
The technical scheme that the present invention takes is specially：A kind of X-band waveguide junction circulator, including docking forms three ports up and down
The epicoele shell and cavity of resorption shell of waveguide cavity, waveguide cavity inside center are provided with y-shaped waveguide knot；Epicoele shell and cavity of resorption shell outside portion and ripple
The corresponding position of guide cavity inside center is respectively equipped with permanent magnet storage tank, permanent magnet storage tank and is provided with permanent magnet；
Y-shaped waveguide knot includes：Shape is identical and the first match block of triangle and the second match block, shape that are oppositely arranged
The first ferrite and the second ferrite of triangle identical and be oppositely arranged；In the affixed epicoele shell in upper surface of first match block
Wall, the affixed cavity of resorption shell inwall of lower surface of the second match block；First match block, the second match block, the first ferrite and the second iron
Three angles of oxysome are respectively facing three ports of waveguide cavity, and four centers of gravity coincide in the projection of vertical direction；
It is respectively equipped with the lower surface of first match block and on the upper surface of the second match block and the first ferrite and second
Ferrite shape identical assembles step, and the first ferrite and the second ferrite are respectively and fixedly connected with the assembling step, and the first iron
Outline coincides between oxysome and the second ferrite and affixed assembling step；
On epicoele shell, waveguide cavity can be screwed in by being respectively equipped with to be bolted with screw, screw above each waveguide cavity port of correspondence
Tuning screw inside port.
In the present invention, the assembling step in match block is used to predefine ferritic rigging position, when assembly bench component level
When putting fixed, only dress need to will can be met with being adhered on assembling step for assembling step shape identical ferrite contour convergence
With requiring.Because shape is identical, ferrite in assembling, than by two structures of different shape size carry out center of gravity coincidence and
It is required that triangle is towards for one-to-one assembling process, assembly difficulty is substantially reduced.Meanwhile, in the present invention above three ports
The tuning screw of setting forms three screw mates devices, in the test of circulator, can be effective by the three screw mates device
Impedance matching is adjusted, the influence of mismachining tolerance is reduced, and further expands bandwidth.
Further, it has been respectively and fixedly connected with three ports of circulator on ring flange, each ring flange and has been respectively equipped with choke coil.
Ring flange can use standard flange, to facilitate the connection between circulator and other devices.
Further, in the present invention, the two of which arm of Y shape circulator connects a waveguide bend respectively so that ring
Shape device is T-shaped.T-Y structures are formed, the structure of circulator can be made compacter, it is convenient to be attached with other devices, without
150 ° of waveguide bends must be connected in addition in connection.Subtract high knot ring structure applied to H faces, then the waveguide bend is H faces ripple
Lead elbow.
It is preferred that, in the present invention, epicoele shell is unsymmetric structure with cavity of resorption shell, and epicoele shell is that Y is provided with tabular, cavity of resorption shell
Connected in star, epicoele shell, which is covered in above Y shape groove, forms y-shaped waveguide chamber.The combination of this structure may be such that epicoele shell and cavity of resorption
Assembling between shell more facilitates.
It is preferred that, epicoele shell, cavity of resorption shell, the first match block, the second match block and assembling step are equilateral triangle.I.e.
Circulator can be in three port forms of 120 degree of angle between adjacent port, subsequently can realize T-shaped ring by connecting waveguide bend
Shape device.
It is preferred that, in the present invention, epicoele shell, the first match block and the assembling integrated structure processed of step, under
Chamber shell, the second match block and the assembling integrated structure processed of step., can be true in advance by mould during integration processing
Determine the size and position relationship of Each part so that the structural stability and reliability of circulator are higher, it is to avoid assemble respectively
The error brought.
It is preferred that, in the present invention, epicoele shell, cavity of resorption shell, the first match block, the second match block and assembling step are using identical
Aluminum be made.The features such as aluminium has light weight, resistance to oxidation high reflectivity, the performance of circulator is may be such that more applied to the present invention
Good, the weight lighter, life-span is longer.
It is preferred that, assembling step of the present invention is convex for the triangle in the first match block and the second match block surface
Rise.In assembling, ferritic outline need to be only aligned with assembling the outline of step, then be by conducting resinl fixation
Can.
It is preferred that, assembling step of the present invention is the triangular shaped recess positioned at the first match block and the second match block surface
Portion.In assembling, ferrite need to only be inserted in triangular shaped recess portion, and fixed by conducting resinl.
It is preferred that, the distance being spaced in the present invention between permanent magnet and ferrite is 0.5-1 millimeters.Permanent magnet and ferrite
Between there is the magnetic field at certain gap, ferrite to be weaker than table magnetic, debugging when, some different-thickness and and permanent magnetism can be processed
Body diameter identical flake aluminum, ferritic magnetic is adjusted by adding the aluminium flake of different-thickness between permanent magnet and ferrite
Change field intensity.
It is preferred that, in the present invention, the screw above each waveguide cavity port is located at centre position above port.Tuning screw
It is axially perpendicular to plane where epicoele shell.The more efficient of tuning is may be such that, and is easier the rule that is tuned.
Beneficial effect
1）Subtract high knot ring structure present invention employs H faces in waveguide, three port center knots are designed to Partial Height two panels
Triangle ferrite form symmetrical above and below, and make the ferritic each angular vertex of triangle be respectively aligned to three of circulator it is defeated
Enter output port center.This structure can effectively reduce the size of ferrite sample, beneficial to radiating and reduction externally-applied magnetic field；
2）Matched present invention uses triangle metal impedance transformer.This impedance transformer, which is that ridge is wide, gradually to be subtracted
Small double ridged waveguide, the effect of its wedge structure can be regarded as a gradual change matched transform device, beneficial to increase bandwidth；
3）The present invention realizes the pre-determined bit assembled to ferrite using assembling step, is greatly improved efficiency of assembling, reduces
The performance impact that rigging error is brought；
4）The present invention realizes that the matching of port Impedance is adjusted by tuning screw, further reduces the influence of mismachining tolerance；
5）Circulator is designed to T-Y structure types by the present invention, and structure is compacter, is more beneficial for circulator and other devices
Connection between part.
Brief description of the drawings
Fig. 1 show overall structure diagram of the present invention；
Fig. 2 show circulator cross-sectional view of the present invention；
Fig. 3 show epicoele shell external structure schematic diagram；
Fig. 4 show epicoele shell internal structure schematic diagram；
Fig. 5 show cavity of resorption shell external structure schematic diagram；
Fig. 6 show cavity of resorption shell internal structure schematic diagram.
Embodiment
Further described below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1 to Fig. 6, X-band waveguide junction circulator of the invention, including docking forms the upper of three port waveguide cavities up and down
Chamber shell 1 and cavity of resorption shell 2, waveguide cavity inside center are provided with y-shaped waveguide knot；In epicoele shell 1 and the outside portion of cavity of resorption shell 2 and waveguide cavity
The corresponding position in portion center is respectively equipped with permanent magnet storage tank 9（10）, permanent magnet 3 is installed in permanent magnet storage tank（20）；
Y-shaped waveguide knot includes：Shape is identical and the first match block 13 and the second match block 14 of the triangle that are oppositely arranged,
Shape is identical and the first ferrite 17 and the second ferrite 18 of the triangle that are oppositely arranged；The upper surface of first match block 13 is consolidated
Connect the inwall of chamber shell 1, the affixed inwall of cavity of resorption shell 2 of lower surface of the second match block 14；First match block 13, the second match block 14,
Three angles of the first ferrite 17 and the second ferrite 18 are respectively facing three ports of waveguide cavity, and four centers of gravity are in Vertical Square
To projection coincide；
It is respectively equipped with the lower surface of first match block 13 and on the upper surface of the second match block 14 and the first ferrite 17
Step 15 is assembled with the shape identical of the second ferrite 18（16）, the first ferrite 17 and the second ferrite 18 are respectively and fixedly connected with described
Assemble step 15（16）, and outline coincides between the first ferrite and the second ferrite and affixed assembling step；
On epicoele shell 1, correspondence is respectively equipped with screw 6 above each waveguide cavity port（7、8）, it is bolted with and can screws in screw
Tuning screw inside waveguide cavity port.
In the present invention, the assembling step in match block is used to predefine ferritic rigging position, when assembly bench component level
When putting fixed, only dress need to will can be met with being adhered on assembling step for assembling step shape identical ferrite contour convergence
With requiring.Because shape is identical, ferrite in assembling, than by two structures of different shape size carry out center of gravity coincidence and
It is required that triangle is towards for one-to-one assembling process, assembly difficulty is substantially reduced.Meanwhile, in the present invention above three ports
The tuning screw of setting forms three screw mates devices, in the test of circulator, can be effective by the three screw mates device
Impedance matching is adjusted, the influence of mismachining tolerance is reduced, and further expands bandwidth.
Embodiment
As illustrated in fig. 1 and 2, circulator includes：Circulator epicoele shell 1,2,2 permanent magnets 3 of circulator cavity of resorption shell（20）, 2
Piece match block 13（14）, 2 assembling steps 15（16）, 2 ferrite samples 17（18）.
X-band waveguide junction circulator three port P1, P2, P3 is mutual between same plane, the two neighboring port in centre junction part
Into 120 ° of composition Y shape symmetrical structures, it is connected at two port P1, P3 with H faces waveguide bend, by 120 ° of Y on inner-cavity structure
The transition of shape symmetrical structure is 90 ° of T-shaped external-connected port, and its T-shaped external-connected port passes through standard flange 10（11、12）It is whole with system
Machine is connected, so as to be designed as T-Y structures.Ring flange 10（11、12）It is respectively provided with choke coil.
Circulator epicoele shell 1 and the structure of cavity of resorption shell 2 are asymmetric, and epicoele shell 1 is waveguide cavity lid, and cavity of resorption shell 2 is waveguide cavity groove.
There are multiple alignment pin nail 4 on the periphery of epicoele shell 1, and the periphery of cavity of resorption shell 2 is relative should multiple alignment pin nail 22.Epicoele
Shell 1 and cavity of resorption shell 2 are positioned by pin hole.The quantity of alignment pin nail 4 and 22 has 2.
There are multiple screws 5 on the periphery of epicoele shell 1, and the periphery of cavity of resorption shell 2 is relative should multiple screws 21.Epicoele shell 1 and cavity of resorption shell 2
It is connected by screw.The quantity of screw 5 and 21 has 6.
Epicoele shell 1 has regulation impedance matching tuning screw 6（7、8）, tuning screw 6（7、8）For regulation fixed screw, adjust
Humorous screw 6（7、8）It is separately mounted to outside epicoele shell close to three ring flanges 10（11、12）Place, inside epicoele shell 1.
The outside hub knot fractionation of the circulator epicoele shell 1 has cylinder type groove 9, and inside has triangle map block 13,
Assembling step 15 is close to match block 13, and ferrite sample 17 is close to assembling step 15；The outside hub knot of annular cavity of resorption shell 2
Cylinder type groove 19 is left in part, and inside has triangle map block 14, and assembling step 16 is close to match block 14, ferrite sample
18 are close to assembling step 16.The effect of cylinder type groove is storage permanent magnet, and constant applied bias is provided for ferrite sample
Magnetic field.
Two permanent magnets 3（20）Physical parameter all same, is respectively placed in wave-guide cavity wave outside hub knot point and its chi
Very little close cylinder type groove 9（19）It is interior.
Ferrite sample is equilateral triangle.Match block is equilateral triangle, and three the top of the horns are just being held to three respectively
The center of mouth.
Present invention uses assembling step 15（16）, the assembling step can be raised, can be recessed, its shape and ferrite sample
Product are consistent.Its size by Frequency Simulation Software HFSS, can carry out the optimization Simulation of parameter.
To reduce positioning and rigging error, when circulator is processed, epicoele shell 1, triangle map block 13 and assembling
Step 15 uses identical aluminum, takes integrated processing mode.Cavity of resorption shell 2, triangle map block 14 and assembling step
16 use identical aluminum, take integrated processing mode.
When circulator is assembled, the one side of ferrite sample 17 is coated into conducting resinl, is close to stick on assembling step 15, makes three
Three angular wedge angles are respectively aligned on three axis of triangle map block 13, at this moment, ferrite sample 17 and assembling step
15 center superpositions；The one side of ferrite sample 18 is coated into conducting resinl, is close to stick on assembling step 16, makes three points of triangle
Angle is respectively aligned on three axis of triangle map block 14, at this moment, ferrite sample 18 and the assembling center superposition of step 16.Lead
After electric adhesive curing, epicoele shell 1 is positioned with cavity of resorption shell 2 using pin 4 and 22, and then fastens shaping, such as Fig. 1 using screw 5 and 21
It is shown., can be by tuning screw according to reality in circulator debugging process to make waveguide junction circulator obtain optimal matching performance
Border demand is adjusted correspondingly.
To sum up, present invention introduces assembling step and tuning screw, reduce due to mismachining tolerance and assembling installation mistake
The reduction for the performance that difference is brought, efficiently solves assembling positioning, the resistance matching problem of circulator.
Claims (10)
1. a kind of X-band waveguide junction circulator, it is characterized in that：The epicoele shell and cavity of resorption of three port waveguide cavities are formed including docking up and down
Shell, waveguide cavity inside center is provided with y-shaped waveguide knot；It is epicoele shell and cavity of resorption shell outside portion, corresponding with waveguide cavity inside center
Position is respectively equipped with permanent magnet storage tank, permanent magnet storage tank and is provided with permanent magnet；
Y-shaped waveguide knot includes：Shape is identical and the first match block of triangle and the second match block that are oppositely arranged, and shape is identical
And the first ferrite and the second ferrite for the triangle being oppositely arranged；The affixed epicoele shell inwall in upper surface of first match block,
The affixed cavity of resorption shell inwall of lower surface of second match block；First match block, the second match block, the first ferrite and the second ferrite
Three angles be respectively facing three ports of waveguide cavity, and four centers of gravity coincide in the projection of vertical direction；
It is respectively equipped with the lower surface of first match block and on the upper surface of the second match block and the first ferrite and the second iron oxygen
Shape identical assembles step, and the first ferrite and the second ferrite are respectively and fixedly connected with the assembling step, and the first ferrite
And second outline between ferrite and affixed assembling step coincide；
On epicoele shell, waveguide cavity port can be screwed in by being respectively equipped with to be bolted with screw, screw above each waveguide cavity port of correspondence
Internal tuning screw.
2. X-band waveguide junction circulator according to claim 1, it is characterized in that, it is respectively and fixedly connected with three ports of circulator
Having be respectively equipped with choke coil on ring flange, each ring flange.
3. X-band waveguide junction circulator according to claim 1, it is characterized in that, the two of which arm of Y shape circulator connects respectively
Connect a waveguide bend so that circulator is T-shaped.
4. X-band waveguide junction circulator according to claim 1, it is characterized in that, epicoele shell is unsymmetric structure with cavity of resorption shell,
Epicoele shell is that Y shape groove is provided with tabular, cavity of resorption shell, and epicoele shell, which is covered in above Y shape groove, forms y-shaped waveguide chamber.
5. X-band waveguide junction circulator according to claim 1, it is characterized in that, epicoele shell, cavity of resorption shell, the first match block,
Two match blocks and assembling step are equilateral triangle.
6. X-band waveguide junction circulator according to claim 1, it is characterized in that, epicoele shell, the first match block and assembling step
The integrated structure processed, cavity of resorption shell, the second match block and the assembling integrated structure processed of step.
7. X-band waveguide junction circulator according to claim 6, it is characterized in that, epicoele shell, cavity of resorption shell, the first match block,
Two match blocks and assembling step are made of identical aluminum.
8. the X-band waveguide junction circulator according to any one of claim 1 to 7, it is characterized in that, the assembling step be positioned at
Triangular hill in first match block and the second match block surface.
9. the X-band waveguide junction circulator according to any one of claim 1 to 7, it is characterized in that, the assembling step be positioned at
First match block and the triangular shaped recess portion on the second match block surface.
10. the X-band waveguide junction circulator according to any one of claim 1 to 7, it is characterized in that, permanent magnet and ferrite it
Between the distance that is spaced be 0.5-1 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621320462.2U CN206322827U (en) | 2016-12-05 | 2016-12-05 | A kind of X-band waveguide junction circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621320462.2U CN206322827U (en) | 2016-12-05 | 2016-12-05 | A kind of X-band waveguide junction circulator |
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| Publication Number | Publication Date |
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| CN206322827U true CN206322827U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621320462.2U Expired - Fee Related CN206322827U (en) | 2016-12-05 | 2016-12-05 | A kind of X-band waveguide junction circulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532211A (en) * | 2016-12-05 | 2017-03-22 | 南京信息工程大学 | X-waveband waveguide circulator |
| CN114069179A (en) * | 2022-01-17 | 2022-02-18 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Four-end circulator for high micro-discharge threshold satellite |
-
2016
- 2016-12-05 CN CN201621320462.2U patent/CN206322827U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532211A (en) * | 2016-12-05 | 2017-03-22 | 南京信息工程大学 | X-waveband waveguide circulator |
| CN114069179A (en) * | 2022-01-17 | 2022-02-18 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Four-end circulator for high micro-discharge threshold satellite |
| CN114069179B (en) * | 2022-01-17 | 2023-03-31 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Four-end circulator for high micro-discharge threshold satellite |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20181205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |