CN106532211A - X-waveband waveguide circulator - Google Patents
X-waveband waveguide circulator Download PDFInfo
- Publication number
- CN106532211A CN106532211A CN201611101195.4A CN201611101195A CN106532211A CN 106532211 A CN106532211 A CN 106532211A CN 201611101195 A CN201611101195 A CN 201611101195A CN 106532211 A CN106532211 A CN 106532211A
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- China
- Prior art keywords
- ferrite
- waveguide
- shell
- cavity
- match block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/39—Hollow waveguide circulators
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Abstract
The invention discloses an X-waveband waveguide circulator. The X-waveband waveguide circulator comprises an upper cavity shell and a lower cavity shell which are in butt joint vertically to form a waveguide cavity with three ports, wherein a Y-shaped waveguide junction is arranged in the internal center of the waveguide cavity; the Y-shaped waveguide junction comprises a first matching block, a second matching block, a first ferrite and a second ferrite; three corners of the first matching block, the second matching block, the first ferrite and the second ferrite face the three ports of the waveguide cavity respectively, and the projections of the centers of gravity of the first matching block, the second matching block, the first ferrite and the second ferrite in the vertical direction are overlapped; the first matching block and the second matching block are connected with the first ferrite and the second ferrite through assembling steps respectively; threaded holes are formed, corresponding to the upper part of each port of the waveguide cavity, in the upper cavity shell, and a tuning screw capable of screwing in the interior of each waveguide cavity port is connected into the corresponding threaded hole in a threaded manner. The X-waveband waveguide circulator disclosed by the invention is simple in structure and easy to adjust, and can effectively solve the problems, such as impedance matching and accurate and quick positioning installation and debugging, of the circulator, so that the production debugging period is shortened.
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, as a kind of microwave ferrite nonreciprocal device, is the broad-spectrum critical elements of a class in microwave engineering.It
Can be used for the splitter component in microwave communication；In a test device can be used as directional coupler, isolator；In paramp
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 for the impedance matching for realizing waveguide cavity and ferrite sample, and permanent magnet is
Two panels perseverance Magnet, there is provided the externally-applied magnetic field of ferrite sample.
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 with debugging process, will necessarily take a substantial amount of time, increased 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, it is its simple structure, easily dimmable, can effectively solving
The impedance matching of circulator and accurately 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, forms three ports including docking 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 lateral part and ripple
The corresponding position of guide cavity inside center is respectively equipped with permanent magnet storage tank, is provided with permanent magnet in permanent magnet storage tank；
Y-shaped waveguide knot includes：Shape is identical and the first match block of triangle for being oppositely arranged and the second match block, and shape is identical
And first ferrite and the second ferrite of the triangle being oppositely arranged；The affixed epicoele shell inwall of upper surface of the first match block,
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 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 the first match block and on the upper surface of the second match block and the first ferrite and the second ferrum 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, correspondence is respectively equipped with screw above each waveguide cavity port, is bolted with and can screw in waveguide cavity port in screw
Internal tuning screw.
In the present invention, the assembling step in match block is used to predefine ferritic rigging position, step site when assembling
When putting fixed, only need to will bond to meet on assembling step and fill with assembling step shape identical ferrite contour convergence
With requiring.Due to shape it is identical, ferrite assembling when, than two structures by different shape size carry out center of gravity coincidence and
Triangle is required 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 defines three screw mates devices, in the test of circulator, can be effective by the three screw mates device
Impedance matching is adjusted, the impact of mismachining tolerance is reduced, and is further expanded bandwidth.
Further, ring flange has been respectively and fixedly connected with three ports of circulator, be respectively equipped with choke coil on each ring flange.
Ring flange can adopt 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, and not
150 ° of waveguide bends must be connected in connection in addition.It is applied to H faces and subtracts high knot ring structure, then the waveguide bend is H faces ripple
Lead elbow.
Preferably, in the present invention, epicoele shell is unsymmetric structure with cavity of resorption shell, and epicoele shell is tabular, is provided with Y in cavity of resorption shell
Connected in star, epicoele shell are covered in above Y shape groove and form y-shaped waveguide chamber.The combination of this structure can cause epicoele shell and cavity of resorption
Assembling between shell is convenient.
Preferably, 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.
Preferably, in the present invention, epicoele shell, the first match block and the assembling integrated structure for processing of step, under
Chamber shell, the second match block and the integrated structure for processing of assembling step.During integration processing, can be true in advance by mould
Determine the size and position relationship of Each part so that the structural stability and reliability of circulator is higher, it is to avoid assemble respectively
The error brought.
Preferably, in the present invention, epicoele shell, cavity of resorption shell, the first match block, the second match block are with assembling step using identical
Aluminum make.The features such as aluminum has light weight, resistance to oxidation highly reflective, is applied to the performance that can cause circulator of the invention more
Good, the weight lighter, life-span is longer.
Preferably, assembling step of the present invention is that triangle in the first match block and the second match block surface is convex
Rise.In assembling, only ferritic outline need to be aligned with the outline of assembling step, then by conducting resinl fixation be
Can.
Preferably, 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, only ferrite need to be inserted in triangular shaped recess portion, and be fixed by conducting resinl.
Preferably, it is spaced apart for 0.5-1 millimeters between permanent magnet and ferrite in the present invention.Permanent magnet and ferrite
Between have certain gap, the magnetic field at ferrite can be weaker than table magnetic, debugging when, some different-thickness and and permanent magnetism can be processed
Body diameter identical flake aluminum, adjusts ferritic magnetic by the aluminium flake of the addition different-thickness between permanent magnet and ferrite
Change field intensity.
Preferably, 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 epicoele shell place plane.The in hgher efficiency of tuning can be caused, and is easier the rule for obtaining tuning.
Beneficial effect
1）Present invention employs H faces in waveguide and subtract high knot ring structure, it is upper and lower that three port centers knot is designed to Partial Height two panels
Symmetrical triangle ferrite form, and make the ferritic each angular vertex of triangle be respectively aligned to circulator three inputs it is defeated
Exit port hits exactly.This structure can effectively reduce the size of ferrite sample, beneficial to radiating and reduction externally-applied magnetic field；
2）Present invention uses triangle metal impedance transformer is matched.This impedance transformer is that ridge width is gradually reduced
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 to ferrite assembling using assembling step, is greatly improved efficiency of assembling, reduces assembling
The performance impact that error is brought；
4）By tuning screw, the present invention realizes that the matching of port Impedance is adjusted, further reduce the impact of mismachining tolerance；
5）Circulator is designed to T-Y versions by the present invention, and structure is compacter, be more beneficial for circulator and other devices it
Between connection.
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.
Specific embodiment
Further describe below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1 to Fig. 6, the X-band waveguide junction circulator of the present invention, the upper of three port waveguide cavities is formed including docking up and down
Chamber shell 1 and cavity of resorption shell 2, waveguide cavity inside center are provided with y-shaped waveguide knot；Epicoele shell 1 and 2 lateral part of cavity of resorption shell and waveguide intracavity
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 of triangle for being oppositely arranged and the second match block 14, shape
Identical and the first ferrite 17 of triangle for being oppositely arranged and the second ferrite 18；On the upper surface of the first match block 13 is affixed
1 inwall of chamber shell, affixed 2 inwall of cavity of resorption shell of lower surface of the second match block 14；First match block 13, the second match block 14, first
Three angles of ferrite 17 and the second ferrite 18 are respectively facing three ports of waveguide cavity, and four centers of gravity are in vertical direction
Projection coincides；
It is respectively equipped with the lower surface of the first match block 13 and on the upper surface of the second match block 14 and the first ferrite 17 and
Two ferrites, 18 shape identical assembles step 15（16）, the first ferrite 17 and the second ferrite 18 are respectively and fixedly connected with the assembling
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 screw and can screws in waveguide
Tuning screw inside the port of chamber.
In the present invention, the assembling step in match block is used to predefine ferritic rigging position, step site when assembling
When putting fixed, only need to will bond to meet on assembling step and fill with assembling step shape identical ferrite contour convergence
With requiring.Due to shape it is identical, ferrite assembling when, than two structures by different shape size carry out center of gravity coincidence and
Triangle is required 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 defines three screw mates devices, in the test of circulator, can be effective by the three screw mates device
Impedance matching is adjusted, the impact of mismachining tolerance is reduced, and is further expanded 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 are mutual between same plane, the two neighboring port in centre junction part
Into 120 ° of composition Y shape symmetrical structures, it is connected with H faces waveguide bend at two port P1, P3, by 120 ° of Y on inner-cavity structure
Shape symmetrical structure transition is 90 ° of T-shaped external-connected port, and its T-shaped external-connected port is by standard flange 10（11、12）It is whole with system
Machine connects, 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 is asymmetric with 2 structure of cavity of resorption shell, and epicoele shell 1 is waveguide cavity lid, and cavity of resorption shell 2 is waveguide cavity groove.
1 periphery of epicoele shell has multiple alignment pin nail 4, and 2 periphery of cavity of resorption shell is relative should multiple alignment pin nail 22.Epicoele
Shell 1 and cavity of resorption shell 2 are positioned by pin hole.Alignment pin nail 4 and 22 quantity have 2.
1 periphery of epicoele shell has multiple screws 5, and 2 periphery of cavity of resorption shell is relative should multiple screws 21.Epicoele shell 1 and cavity of resorption shell 2
It is connected by screw.Screw 5 and 21 quantity have 6.
Epicoele shell 1 has regulation impedance matching tuning screw 6（7、8）, tuning screw 6（7、8）To adjust fixed screw, adjust
Humorous screw 6（7、8）It is separately mounted to outside epicoele shell near 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, internal to have 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, internal to have 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, provides constant applied bias 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 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 can enter the optimization Simulation of line parameter by Frequency Simulation Software HFSS.
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, 17 one side of ferrite sample is coated into conducting resinl, be close to stick on assembling step 15, make three
On three axis of triangle map block 13, at this moment three angular wedge angles are respectively aligned to, ferrite sample 17 and assembling step
15 center superpositions；18 one side of ferrite sample is coated into conducting resinl, is close to stick on assembling step 16, make three of triangle it is sharp
On three axis of triangle map block 14, at this moment angle is respectively aligned to, ferrite sample 18 and assembling 16 center superposition of step.Lead
After electric adhesive curing, epicoele shell 1 is positioned using pin 4 and 22 with cavity of resorption shell 2, and then fastens molding, such as Fig. 1 using screw 5 and 21
It is shown.To make waveguide junction circulator obtain optimal matching performance, in circulator debugging process, can be by tuning screw according to reality
Border demand is adjusted correspondingly.
To sum up, present invention introduces assembling step and tuning screw, are reduced to be installed due to mismachining tolerance and assembling and missed
The reduction of the brought performance of difference, efficiently solves assembling positioning, the resistance matching problem of circulator.
Claims (10)
1. a kind of X-band waveguide junction circulator, 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 are provided with y-shaped waveguide knot；Epicoele shell and cavity of resorption shell lateral part are corresponding with waveguide cavity inside center
Position is respectively equipped with permanent magnet storage tank, is provided with permanent magnet in permanent magnet storage tank；
Y-shaped waveguide knot includes：Shape is identical and the first match block of triangle for being oppositely arranged and the second match block, and shape is identical
And first ferrite and the second ferrite of the triangle being oppositely arranged；The affixed epicoele shell inwall of upper surface of the first match block,
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 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 the first match block and on the upper surface of the second match block and the first ferrite and the second ferrum 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, correspondence is respectively equipped with screw above each waveguide cavity port, is bolted with and can screw in waveguide cavity port in screw
Internal tuning screw.
2. X-band waveguide junction circulator according to claim 1, is characterized in that, be respectively and fixedly connected with three ports of circulator
There is ring flange, on each ring flange, be respectively equipped with choke coil.
3. X-band waveguide junction circulator according to claim 1, 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, is characterized in that, epicoele shell is unsymmetric structure with cavity of resorption shell,
Epicoele shell is tabular, and Y shape groove is provided with cavity of resorption shell, and epicoele shell is covered in above Y shape groove and forms y-shaped waveguide chamber.
5. X-band waveguide junction circulator according to claim 1, is characterized in that, epicoele shell, cavity of resorption shell, the first match block,
Two match block and assembling step are equilateral triangle.
6. X-band waveguide junction circulator according to claim 1, is characterized in that, epicoele shell, the first match block with assembling step
The integrated structure for processing, cavity of resorption shell, the second match block and the integrated structure for processing of assembling step.
7. X-band waveguide junction circulator according to claim 6, is characterized in that, epicoele shell, cavity of resorption shell, the first match block,
Two match block and assembling step are made using identical aluminum.
8. the X-band waveguide junction circulator according to any one of claim 1 to 7, is characterized in that, it is described 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, is characterized in that, it is described 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, is characterized in that, permanent magnet and ferrite it
Between it is spaced apart for 0.5-1 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611101195.4A CN106532211A (en) | 2016-12-05 | 2016-12-05 | X-waveband waveguide circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611101195.4A CN106532211A (en) | 2016-12-05 | 2016-12-05 | X-waveband waveguide circulator |
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| Publication Number | Publication Date |
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| CN106532211A true CN106532211A (en) | 2017-03-22 |
Family
ID=58355005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611101195.4A Pending CN106532211A (en) | 2016-12-05 | 2016-12-05 | X-waveband waveguide circulator |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521002A (en) * | 2018-03-30 | 2018-09-11 | 四川蔚宇电气有限责任公司 | Heavy-power circulator shell and heavy-power circulator |
| CN109037872A (en) * | 2018-09-26 | 2018-12-18 | 西南应用磁学研究所 | The waveguide junction circulator power test system of low-power source demand |
| CN109212353A (en) * | 2018-09-26 | 2019-01-15 | 西南应用磁学研究所 | The waveguide junction circulator power test method of low-power source demand |
| CN109687076A (en) * | 2018-12-29 | 2019-04-26 | 中国航天时代电子有限公司 | A kind of waveguide junction circulator and its adjustment method |
| CN113540710A (en) * | 2020-04-22 | 2021-10-22 | 华为技术有限公司 | Ferrite switch, microwave antenna and electronic equipment |
| CN113839164A (en) * | 2021-10-15 | 2021-12-24 | 散裂中子源科学中心 | High-power Y-junction type waveguide circulator |
| CN114050392A (en) * | 2021-08-19 | 2022-02-15 | 北京古大仪表有限公司 | Power combiner, high-frequency module and radar level meter |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108521002A (en) * | 2018-03-30 | 2018-09-11 | 四川蔚宇电气有限责任公司 | Heavy-power circulator shell and heavy-power circulator |
| CN109037872A (en) * | 2018-09-26 | 2018-12-18 | 西南应用磁学研究所 | The waveguide junction circulator power test system of low-power source demand |
| CN109212353A (en) * | 2018-09-26 | 2019-01-15 | 西南应用磁学研究所 | The waveguide junction circulator power test method of low-power source demand |
| CN109212353B (en) * | 2018-09-26 | 2021-01-26 | 西南应用磁学研究所 | Waveguide circulator power test method with low power source requirement |
| CN109037872B (en) * | 2018-09-26 | 2023-08-11 | 西南应用磁学研究所 | Waveguide circulator power test system with low power source requirement |
| CN109687076A (en) * | 2018-12-29 | 2019-04-26 | 中国航天时代电子有限公司 | A kind of waveguide junction circulator and its adjustment method |
| CN109687076B (en) * | 2018-12-29 | 2021-05-11 | 中国航天时代电子有限公司 | Waveguide circulator and debugging method thereof |
| CN113540710A (en) * | 2020-04-22 | 2021-10-22 | 华为技术有限公司 | Ferrite switch, microwave antenna and electronic equipment |
| CN113540710B (en) * | 2020-04-22 | 2022-07-22 | 华为技术有限公司 | Ferrite switch, microwave antenna and electronic equipment |
| CN114050392A (en) * | 2021-08-19 | 2022-02-15 | 北京古大仪表有限公司 | Power combiner, high-frequency module and radar level meter |
| CN114050392B (en) * | 2021-08-19 | 2023-11-24 | 北京古大仪表有限公司 | Power combiner, high-frequency module and radar level gauge |
| CN113839164A (en) * | 2021-10-15 | 2021-12-24 | 散裂中子源科学中心 | High-power Y-junction type waveguide circulator |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ge Junxiang Inventor after: Wang Jie Inventor after: Yang Xianzhi Inventor after: Li Hao Inventor before: Ge Junxiang Inventor before: Yang Xianzhi Inventor before: Li Hao Inventor before: Wang Jie |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |