CN209016245U - A kind of high frequency waveguide junction type millimeter wave ferrites circulator - Google Patents
A kind of high frequency waveguide junction type millimeter wave ferrites circulator Download PDFInfo
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- CN209016245U CN209016245U CN201822145319.XU CN201822145319U CN209016245U CN 209016245 U CN209016245 U CN 209016245U CN 201822145319 U CN201822145319 U CN 201822145319U CN 209016245 U CN209016245 U CN 209016245U
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- circulator
- waveguide
- ferrites
- high frequency
- magnet steel
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Abstract
The utility model discloses a kind of high frequency waveguide junction type millimeter wave ferrites circulator, including waveguide junction metal cavity, ferrite cylinder, dieelctric sheet, magnetic circuit sandwiched, magnet steel；Waveguide metal cavity uses the form of upper lower leaf, and dieelctric sheet loads between two ferrite cylinders, and dieelctric sheet plays support and matching effect.Ferrite cylinder is in contact with waveguide inner wall；Two panels magnet steel is clipped on magnetic circuit sandwiched.Two panels magnet steel generates longitudinal magnetization field, under the excitation in magnetic field by magnetic circuit sandwiched formation magnetic loop in wire chamber, ferritic tensor permeability changes, cause electromagnetic wave propagation constant to change, to change the transmission of electromagnetic wave, realizes the belt characteristic of circulator.
Description
Technical field
The utility model relates to a kind of circulator more particularly to a kind of high frequency waveguide junction type millimeter wave ferrites circulators.
Background technique
With the high speed development of telecommunications especially personal mobile communications, radio-frequency spectrum has tended to be saturated, existing frequency
Spectrum resource is unable to satisfy the demand of future communications development, thus to realize high frequency, the wireless communication in broadband certainly will will be to microwave height
New frequency spectrum resource is developed at end.Millimeter wave can effectively solve to face in high speed wide-band communication since its wavelength is short, bandwidth
Many problems, thus have a wide range of applications.
In military aspect, millimeter-wave systems are with small in size, light-weight, high resolution, good confidentiality and have good
Doppler processing ability the characteristics of, in satellite communication, millimeter-wave guidance, tracking radar, helicopter collision avoidance radar, aerological sounding
Equal fields, which have, to be extremely widely applied.
At civilian aspect, millimeter-wave systems equally have relatively broad application, and gradually expand application field,
Such as automobile collision avoidance radar, millimeter wave image pickup device etc..However the application of everything all be unable to do without the support of millimetric wave device, only
The millimeter-wave systems of all kinds of function admirables could be constructed by possessing high performance millimetric wave device.Therefore, the market of millimetric wave device
Prospect is self-evident.It is contemplated that in the continuous innovation of the science and technology such as 5G communication, big data, smart city, intelligent driving, millimeter
The demand of wave device will welcome eruptive growth.
Utility model content
For existing millimeter-wave technology, it is belt that the utility model provides a kind of high frequency waveguide junction type millimeter wave ferrites
Device.
In order to solve problem above, present invention employs following technical solutions: a kind of high frequency waveguide junction type millimeter wave iron oxygen
Body circulator characterized by comprising waveguide junction metal cavity, ferrite cylinder, dieelctric sheet, magnetic circuit sandwiched, magnet steel；Waveguide gold
Belong to the form that cavity uses upper lower leaf, dieelctric sheet loads between two ferrite cylinders, and dieelctric sheet plays support and matching
Effect.Ferrite cylinder is in contact with waveguide inner wall；Two panels magnet steel is clipped on magnetic circuit sandwiched.
The two panels ferrite cylinder gluing is fixed on waveguide inner wall.
Two panels magnet steel generates longitudinal magnetization field by magnetic circuit sandwiched formation magnetic loop in wire chamber, under the excitation in magnetic field,
Ferritic tensor permeability changes, and electromagnetic wave propagation constant is caused to change, thus change the transmission of electromagnetic wave,
Realize the belt characteristic of circulator.
The utility model has following the utility model has the advantages that the utility model utilizes iron oxygen compared with the immediate prior art
Body coated by dielectric technology solves waveguide junction field mode matching problem, has further widened bandwidth of a device.Wave-guide cavity wave is using upper
Cavity of resorption form, facilitates positioning, the installation of ferrite cylinder, while being also convenient for the test of circulator, installation and removal, is this millimeter
Circulator produces have laid a good foundation on a large scale.
Detailed description of the invention
Fig. 1 is a kind of high frequency waveguide junction type millimeter wave ferrites circulator structures schematic diagram of the utility model, wherein 1: wave
Lead knot metal cavity, 2: ferrite cylinder, 3: dieelctric sheet, 4: it is magnetic circuit sandwiched, 5: magnet steel.
Fig. 2 is a kind of Electric Field Simulation illustraton of model of high frequency waveguide junction type millimeter wave ferrites circulator of the utility model,
In 1: waveguide junction metal cavity, 2: ferrite cylinder, 3: dieelctric sheet.
Fig. 3 is a kind of high frequency waveguide junction type millimeter wave ferrites circulator electrical property simulation result diagram of the utility model (packet
Include standing wave, loss and isolation).
Fig. 4 is the upper right corner Fig. 3 partial enlarged view.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of high frequency waveguide junction type millimeter wave ferrites circulator provided by the utility model, comprising: wave
Lead knot metal cavity 1, ferrite cylinder 2, dieelctric sheet 3, magnetic circuit sandwiched 4, magnet steel 5.Waveguide metal cavity 1 uses the shape of upper lower leaf
Formula, facilitates positioning, the installation of ferrite cylinder 2, while being also convenient for the test of circulator, installation and removal.The load of dieelctric sheet 3 exists
Between two panels ferrite cylinder 2, dieelctric sheet 3 plays support and matching effect；Ferrite cylinder 2 is in contact with waveguide inner wall and (uses
Gluing is fixed), guarantee structural stability and thermal diffusivity.
Two panels magnet steel 5 forms magnetic loop by magnetic circuit sandwiched 4, and longitudinal magnetization field, the excitation in magnetic field are generated in wire chamber
Under, ferritic tensor permeability changes, and causes electromagnetic wave propagation constant to change, to change the biography of electromagnetic wave
It is defeated, realize the belt characteristic of circulator.
As shown in Fig. 2, high frequency waveguide junction type millimeter wave ferrites circulator provided by the utility model, the wave of metal cavity
Inducing defecation by enema and suppository orchid is all made of UG-387/U form, and the ferrite cylinder 2 and dieelctric sheet 3 loaded in waveguide is placed in waveguide junction center.Load
Two panels magnet steel forms longitudinal magnetization field in metal cavity above and below containment portion, when energy from port 1 input, the electromagnetism of transmission
Polarization rotation occurs in ferrite gyromagnetic material for wave, and most energy are exported from port 2, forms transmission end；It is only few
Portion of energy reaches port 3, forms isolation end.The belt direction of the waveguide junction type millimeter wave ferrites circulator is square clockwise
To.
As shown in Figure 3,4, the electrical property simulation result diagram of high frequency waveguide junction type millimeter wave ferrites circulator (including is stayed
Wave, loss and isolation).
The above descriptions are merely preferred embodiments of the present invention, is not restricted to the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all the spirit and principles of the utility model it
Interior, any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (2)
1. a kind of high frequency waveguide junction type millimeter wave ferrites circulator characterized by comprising waveguide junction metal cavity (1), iron
Oxysome cylinder (2), dieelctric sheet (3), magnetic circuit sandwiched (4), magnet steel (5)；The form of lower leaf in waveguide metal cavity (1) use is situated between
Matter piece (3) loads between two panels ferrite cylinder (2), and ferrite cylinder (2) is in contact with waveguide inner wall；Two panels magnet steel (5)
It is clipped on magnetic circuit sandwiched (4).
2. a kind of high frequency waveguide junction type millimeter wave ferrites circulator according to claim 1, which is characterized in that described
Two panels ferrite cylinder (2) gluing is fixed on waveguide inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145319.XU CN209016245U (en) | 2018-12-20 | 2018-12-20 | A kind of high frequency waveguide junction type millimeter wave ferrites circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145319.XU CN209016245U (en) | 2018-12-20 | 2018-12-20 | A kind of high frequency waveguide junction type millimeter wave ferrites circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016245U true CN209016245U (en) | 2019-06-21 |
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| CN201822145319.XU Active CN209016245U (en) | 2018-12-20 | 2018-12-20 | A kind of high frequency waveguide junction type millimeter wave ferrites circulator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828946A (en) * | 2019-10-11 | 2020-02-21 | 西安天伟电子系统工程有限公司 | Phase shifter, millimeter wave circulator and radar system |
-
2018
- 2018-12-20 CN CN201822145319.XU patent/CN209016245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828946A (en) * | 2019-10-11 | 2020-02-21 | 西安天伟电子系统工程有限公司 | Phase shifter, millimeter wave circulator and radar system |
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