CN202839926U - Micro waveguide type circulator - Google Patents
Micro waveguide type circulator Download PDFInfo
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- CN202839926U CN202839926U CN 201220297776 CN201220297776U CN202839926U CN 202839926 U CN202839926 U CN 202839926U CN 201220297776 CN201220297776 CN 201220297776 CN 201220297776 U CN201220297776 U CN 201220297776U CN 202839926 U CN202839926 U CN 202839926U
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- waveguide
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Abstract
The utility model relates to a micro waveguide type circulator. Upper and lower faces of a single casing body are mounted with permanent magnets, a waveguide impedance converter is mounted on a plane of a wide edge of a rectangular junction waveguide, a triangular ferrite element is fixed on a transmission step of the rectangular junction waveguide and located on a central axis of the upper and lower permanent magnets, a metal strip block is mounted in the rectangular junction waveguide and connected with a corresponding edge of a Y-shaped junction waveguide ferrite, the metal strip block extends from a Y-shaped junction plane of a Y-shaped junction waveguide and separates from each other, two sides of the metal strip block are mounted at least one microwave absorber element, the rectangular junction waveguide has a first circular metal block and a second circular metal block, a waveguide opening has a first 90-degree metal block and a second 90-degree metal block, a third port has a third circular metal block and the microwave absorber elements. A signal enters the rectangular junction waveguide and the triangular ferrite element through the rectangular waveguide opening, the signal is transmitted by the rectangular waveguide, so raw material is saved, and assembling time is shortened.
Description
Technical field
The utility model relates to a kind of Microwave Iron Oxide Elements, relates in particular to a kind of follow-on rectangular transform waveguide type circulator/isolator.
Background technology
Three port microwave ferrite junction type circulators are also referred to as the Y shape junction circulator, are a kind of the most frequently used junction type circulators, and function is equivalent to a three-port irreversible device, for forward signal provides path, make reverse signal isolation (inhibition).Typical waveguide junction type circulator/isolator comprises a definite waveguiding structure, at least one waveguide impedance transformer, and Ferrite Material has been installed on its top, makes its magnetic bias by magnetic circuit system, to produce desirable nonreciprocal effect.Control by the bias magnetic field direction to magnetic circuit system, can change the belt direction (clockwise or inhour) of signal.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of Miniature waveguide mode circulator is provided.
The purpose of this utility model is achieved through the following technical solutions:
Miniature waveguide mode circulator, characteristics are: comprise mono-hull and ferrite component with multiport, ferrite component is positioned on the converter, ferrite component is symmetry shape for each port of waveguide junction, mono-hull is separately installed with up and down permanent magnet, on the broadside plane of rectangle knot waveguide waveguide impedance transformer is installed, a leg-of-mutton ferrite component is fixed on the rectangle knot waveguide step, and is positioned on the central axis of permanent magnet and lower permanent magnet; Bonding jumper is packaged to enter the waveguide of rectangle knot, links to each other with the ferritic corresponding sides of Y shape knot waveguide, and the metal stick extends and mutually isolates from the Y shape junction plane of Y shape knot waveguide, and the both sides of metal stick are installed a microwave absorption body member at least; The waveguide of rectangle knot has the first circular metal piece and the second circular metal piece, and its waveguide mouth has the one 90 ° of metal derby and the 2 90 ° of metal derby, and the 3rd port has the 3rd circular metal piece and microwave absorption body member.
Further, above-mentioned Miniature waveguide mode circulator, described ferrite component is bonded on the rectangle knot waveguide step by glue, is positioned on the central axis of waveguide impedance transformer and upper permanent magnet and lower permanent magnet; The port width of Y shape knot waveguide is at 1/4 wavelength place of operating frequency.
Further, above-mentioned Miniature waveguide mode circulator, described mono-hull be respectively equipped with up and down a groove that is used for depositing permanent magnet.
Again further, above-mentioned Miniature waveguide mode circulator, the rectangular block structure of described microwave absorption body member.
The substantive distinguishing features that technical solutions of the utility model are outstanding and significant progressive being mainly reflected in:
The utlity model has three ports of rectangular transform device and be the good waveguide junction type of the 3rd port match circulator/isolator, signal enters rectangle knot waveguide and triangle ferrite component by the rectangular waveguide mouth.Use the rectangular waveguide signal transmission, saved raw material, shorten installation time.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: structural representation of the present utility model.
Embodiment
As shown in Figure 1, Miniature waveguide mode circulator, have three ports of rectangular transform device and be the good waveguide junction type of the 3rd port match circulator/isolator, waveguide has 2 ports to the symmetry of the 3rd port, two waveguide mouths are rectangles, signal enters rectangle knot waveguide and triangle ferrite component by the rectangular waveguide mouth, ferrite component 5 is positioned on the converter, ferrite component 5 is symmetry shape for each port of waveguide junction, mono-hull 2 be respectively equipped with up and down a groove that is used for depositing permanent magnet, permanent magnet 1 and upper permanent magnet 8 are installed, form eternal magnetic field, has gyromagnetic effect, mono-hull respectively has a rectangular waveguide signal transmission by inside, on the broadside plane of rectangle knot waveguide waveguide impedance transformer is installed, a leg-of-mutton ferrite component 5 is fixed on the rectangle knot waveguide step, and is positioned on the central axis of permanent magnet and lower permanent magnet; Metal stick (metal electric magnetic conductor) the rectangle knot waveguide of packing into, be used for the matched waveguide mouth, link to each other with the ferritic corresponding sides of Y shape knot waveguide, the port width of Y shape knot waveguide is operated in 1/4 wavelength place of waveguide frequency, metal stick (metal electric magnetic conductor) extends and mutually isolation from the Y shape junction plane of Y shape knot waveguide, the both sides of metal stick are installed a microwave absorption body member at least, are used for absorbing the reflection power of this port (i.e. 3 ports); The waveguide of rectangle knot has the first circular metal piece 3 and the second circular metal piece 4, its waveguide mouth has the one 90 ° of metal derby 6 and the 2 90 ° of metal derby 7, coupling incoming signal and reflected signal, the 3rd port has the 3rd circular metal piece 9 and microwave absorption body member 10, in order to regulate the coupling of microwave absorption body member 10 and rectangular waveguide, and absorb and transmit microwave absorption body member 10 rectangular block structures.
Wherein, the Y shape knot is equipped with wave guide transformer by the rectangle transmission on the broadside plane of waveguide, and ferrite component 5 is bonded on the rectangle knot waveguide step by glue, is positioned on the central axis of waveguide impedance transformer and upper permanent magnet and lower permanent magnet; The port width of Y shape knot waveguide is at 1/4 wavelength place of operating frequency.Three ports need metallic object to mate.Adopt mono-hull and be the metal derby of 90 ° of knuckles, the triangle ferrite does not need to be combined with polytetrafluoroethylene the function that just can realize its needs.
3 port widths are more much smaller than half-wavelength (λ/2) size of waveguide isolator operating frequency, realize the impedance matching function of waveguide transformer and microwave-absorbing body.Rectangular waveguide 3 port widths are less than half-wavelength "≤λ/2 " in the structure, and this structure comprises two thinner metal sticks, are positioned near the waveguide opposite face of ferrite component, along above-mentioned waveguide, extend from rectangle knot place, and spacing is optional.Two identical microwave absorption body components are installed in the both sides of metal stick.Two thinner metal sticks are loaded into above-mentioned Y shape knot, link to each other with the corresponding sides of above-mentioned waveguiding structure, and rectangle knot port width is less than the half-wavelength " λ/2 " of operating frequency.The metal stick extends from the rectangle junction plane of waveguiding structure, and mutually isolation.The 3rd port fills a progressive absorber, and oblique line length "＜λ/2 " then is transformed to rectangular block, is used for absorbing the reflection power of this port (i.e. 3 ports).
In sum, the utility model improved waveguide type deinterlacer is used the rectangular waveguide signal transmission, has saved raw material, shortens installation time.
What need to understand is: the above only is preferred implementation of the present utility model; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (1)
1. Miniature waveguide mode circulator, it is characterized in that: comprise mono-hull and ferrite component with multiport, ferrite component is positioned on the converter, ferrite component is symmetry shape for each port of waveguide junction, mono-hull is separately installed with up and down permanent magnet, on the broadside plane of rectangle knot waveguide waveguide impedance transformer is installed, a leg-of-mutton ferrite component is fixed on the rectangle knot waveguide step, and is positioned on the central axis of permanent magnet and lower permanent magnet; Bonding jumper is packaged to enter the waveguide of rectangle knot, links to each other with the ferritic corresponding sides of Y shape knot waveguide, and the metal stick extends and mutually isolates from the Y shape junction plane of Y shape knot waveguide, and the both sides of metal stick are installed a microwave absorption body member at least; The waveguide of rectangle knot has the first circular metal piece and the second circular metal piece, and its waveguide mouth has the one 90 ° of metal derby and the 2 90 ° of metal derby, and metal derby is 90 ° of knuckles, and the 3rd port has the 3rd circular metal piece and microwave absorption body member.
2. Miniature waveguide mode circulator according to claim 1 is characterized in that: described ferrite component is bonded on the rectangle knot waveguide step by glue, is positioned on the central axis of waveguide impedance transformer and upper permanent magnet and lower permanent magnet; The port width of Y shape knot waveguide is at 1/4 wavelength place of operating frequency.
3. Miniature waveguide mode circulator according to claim 1 is characterized in that: described mono-hull be respectively equipped with up and down a groove that is used for depositing permanent magnet.
4. Miniature waveguide mode circulator according to claim 1 is characterized in that: the rectangular block structure of described microwave absorption body member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297776 CN202839926U (en) | 2012-06-25 | 2012-06-25 | Micro waveguide type circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220297776 CN202839926U (en) | 2012-06-25 | 2012-06-25 | Micro waveguide type circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839926U true CN202839926U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220297776 Expired - Fee Related CN202839926U (en) | 2012-06-25 | 2012-06-25 | Micro waveguide type circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116315550A (en) * | 2023-03-27 | 2023-06-23 | 深圳技术大学 | Rectangular waveguide for electric and magnetic field modulation microwave test |
-
2012
- 2012-06-25 CN CN 201220297776 patent/CN202839926U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116315550A (en) * | 2023-03-27 | 2023-06-23 | 深圳技术大学 | Rectangular waveguide for electric and magnetic field modulation microwave test |
| CN116315550B (en) * | 2023-03-27 | 2023-12-19 | 深圳技术大学 | Rectangular waveguide for electric and magnetic field modulation microwave test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180625 |