CN211320282U - P-waveband high-power waveguide circulator - Google Patents
P-waveband high-power waveguide circulator Download PDFInfo
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- CN211320282U CN211320282U CN202020435129.6U CN202020435129U CN211320282U CN 211320282 U CN211320282 U CN 211320282U CN 202020435129 U CN202020435129 U CN 202020435129U CN 211320282 U CN211320282 U CN 211320282U
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Abstract
The utility model provides a high-power waveguide circulator of P wave band, including circulator cavity, straight waveguide, matching platform, ferrite, magnet steel and mount table, the circulator cavity is provided with three port, one of them port with straight waveguide fixed connection, be close to in the circulator cavity straight waveguide one side is provided with the mount table, the both sides that the mount table is close to other both ends port respectively are provided with the magnet steel, the mount table center is provided with two match the platform, two it has 37 respectively to paste on the adjacent surface of matching platform the ferrite, 37 the ferrite makes up into regular hexagon, the surface profile of ferrite is regular polygon. The utility model provides a current circulator be suitable for the bandwidth narrow, heat conduction efficiency low, the ferrite easily appear explode split, the intracavity easily appear strike sparks scheduling problem.
Description
Technical Field
The utility model relates to a waveguide field, microwave components and parts field, more specifically relate to a high-power waveguide circulator of P wave band.
Background
The waveguide circulator is a microwave passive device, which has three ports, and utilizes the gyromagnetic effect generated by ferrite material under the action of external DC magnetic field to make the microwave incident into the circulator produce a certain angle of deflection, and output from the second port, and have no output at the third port, so that the circulation of microwave signal can be implemented.
The waveguide circulator generally comprises a waveguide cavity, a matching platform cavity, a ferrite, a permanent magnet and the like, wherein the permanent magnet is placed outside the cavity to provide a direct-current magnetic field; the matching platform cavity is positioned in the center of the waveguide cavity, generally, one matching platform cavity is arranged above and below the waveguide cavity, each matching platform cavity is provided with a ferrite, the ferrite and the matching platform cavities form a waveguide junction together, and the matching platform cavities are added in the center of the waveguide junction.
At present, two pieces of large-size gyromagnetic ferrite (the diameter is more than 100mm) are adopted in the P-band high-power waveguide circulator, so that the gyromagnetic ferrite is difficult to prepare, high in manufacturing cost and low in qualified rate. Under high power, large-size gyromagnetic ferrite is easy to crack due to uneven heating, and the product fails. The existing circulator is applicable to narrow bandwidth, easy cracking of ferrite and easy ignition in a cavity.
SUMMERY OF THE UTILITY MODEL
The utility model provides a P-band high-power waveguide circulator, which solves the technical problems that the applicable bandwidth is narrow, the ferrite is easy to crack, the ignition is easy to occur in the cavity, and the like.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a high-power waveguide circulator of P wave band, includes circulator cavity, straight waveguide, matching platform, ferrite, magnet steel and mount table, the circulator cavity is provided with three port, one of them port with straight waveguide fixed connection, be close to in the circulator cavity straight waveguide one side is provided with the mount table, the both sides that the mount table is close to other both ends port respectively are provided with the magnet steel, the mount table center is provided with two matching platform, two the adjacent surface of matching platform respectively pastes and has 37 ferrite, 37 the ferrite makes up into regular hexagon, the surface shape of ferrite is regular polygon.
Preferably, a cooling water path is arranged in the matching table.
Preferably, the core region within the circulator cavity compresses the waveguide b-edge to 20-100 mm.
Preferably, all sharp corner locations within the circulator cavity are rounded.
Preferably, the ferrite has a 4 π MS of 400-1000 Gauss.
Preferably, the matching table is made of red copper.
Preferably, it still includes the triangle piece, the mount table is close to the outermost both sides of magnet steel are all installed the triangle piece.
Preferably, the triangular block further comprises a connecting rod, and the top ends of the two triangular blocks are connected through the connecting rod.
Preferably, the steel plate is mounted between the magnetic steel and the triangular block.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses two it has 37 respectively to paste to match the adjacent surface of platform the ferrite, 37 the ferrite makes up into regular hexagon, the surface shape of ferrite is regular polygon, has solved the easy problem that explodes and split of appearing of ferrite, secondly adopts 4 pi MS to be: 400-Gauss ferrite is added, so that the high power capacity of the circulator and the power adaptability of the ferrite are improved, the edge b of the waveguide is compressed in a core area, the adaptive bandwidth of the circulator is expanded, the bandwidth is widened by 3 times, meanwhile, the power capacity can reach 50-150kw continuous waves, the problem of narrow applicable bandwidth is solved, the matching platform is made of red copper with good heat conductivity, water path cooling is carried out on the matching platform, meanwhile, all sharp corners in the cavity are rounded, the discharge and ignition of the microwave tips are prevented, and the problem of easy ignition in the cavity is solved.
Drawings
Fig. 1 is a schematic structural diagram of a P-band high-power waveguide circulator of the present invention.
Fig. 2 is a schematic cross-sectional view of a P-band high-power waveguide circulator according to the present invention.
Reference numerals: the device comprises a straight waveguide 1, a circulator cavity 2, a mounting table 3, a ferrite 4, a triangular block 5, a connecting rod 6, magnetic steel 7 and a matching table 8.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention is shown for illustrative purposes and is not limited to the above-mentioned structure.
Example (b): as shown in fig. 1 and 2, a P-band high-power waveguide circulator comprises a circulator cavity 2, a straight waveguide 1, a matching platform 8, ferrites 4, magnetic steel 7 and a mounting platform 3, wherein the circulator cavity 2 is provided with three ports, one of the ports is fixedly connected with the straight waveguide 1, the mounting platform 3 is arranged in the circulator cavity 2 close to one side of the straight waveguide 1, the two sides of the mounting platform 3 close to the other two ports are respectively provided with the magnetic steel 7, the center of the mounting platform 3 is provided with two matching platforms 8, the adjacent surfaces of the two matching platforms 8 are respectively adhered with 37 ferrites 4 and 37 ferrites 4 to form a regular hexagon, and the surface shape of each ferrite 4 is a regular polygon. The straight waveguide 1 is used for converting the compressed non-standard waveguide into a standard waveguide, and the surface shape of the ferrite 4 is preferably a regular hexagon.
Preferably, a cooling water circuit is arranged in the matching table 8.
More preferably, the core region within the circulator cavity 2 compresses the waveguide b-edge to 20-100 mm. Wherein the Y-junction of the circulator cavity 2 is compressed.
Preferably, all sharp corner locations within the circulator cavity 2 are rounded. Wherein, 3 mounted position of mount table, all sharp-pointed position in the cavity, the equal radius angle of ferrite 4 upper surface edges and corners handle in circulator cavity 2, prevent that the microwave is pointed to discharge, fillet radius: 0.2-5 mm.
Preferably, the 4 π MS of the ferrite 4 is 400-1000 Gauss. Wherein, ferrite 4 is the core component of the circulator, the saturation magnetic moment is 400-: 10-24mm, thickness: 1.5-5 mm.
Moreover, the matching table 8 is made of red copper. The matching table 8 is made of red copper and used for bonding the ferrite 4, and the red copper (H96) has higher heat conductivity coefficient and is easier to lead out heat generated by the ferrite 4.
And, the utility model discloses still include three hornblocks 5, mount table 3 is close to magnet steel 7's outermost both sides are all installed three hornblocks 5.
Still, the utility model discloses still include connecting rod 6, two the 5 tops of triangle piece are passed through connecting rod 6 is connected. The triangular blocks 5 are used for fixing the magnetic steel 7 and are made of materials with good magnetic conductivity, and the two triangular blocks 5 are connected through connecting rods 6 with good magnetic conductivity to form a magnetic field loop.
Then, the utility model discloses still include iron plate or steel sheet, iron plate or the steel sheet is installed magnet steel 7 with between the triangle piece 5. Wherein, the iron plate or the steel plate is used for debugging.
The above-mentioned embodiments are provided for illustration and not for limitation, and the changes of the examples and the replacement of equivalent elements should be understood as belonging to the scope of the present invention.
From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the above objects, and the present invention is in accordance with the provisions of the patent statutes and is now filed for patent.
Claims (9)
1. The utility model provides a high-power waveguide circulator of P wave band, includes circulator cavity, straight waveguide, matching platform, ferrite, magnet steel and mount table, the circulator cavity is provided with three port, one of them port with straight waveguide fixed connection, its characterized in that, be close to in the circulator cavity straight waveguide one side is provided with the mount table, the both sides that the mount table is close to other both ends port respectively are provided with the magnet steel, the mount table center is provided with two matching platform, two the adjacent surface of matching platform respectively pastes and has 37 ferrite, 37 the ferrite makes up into regular hexagon, the surface shape of ferrite is regular polygon.
2. The P-band high power waveguide circulator of claim 1 wherein a cooling water circuit is disposed in the matching block.
3. The P-band high power waveguide circulator of claim 1 wherein the core region in the circulator cavity compresses the waveguide b-edge to 20-100 mm.
4. The P-band high power waveguide circulator of claim 1 wherein all sharp corner locations within the circulator cavity are rounded.
5. The P-band high-power waveguide circulator as claimed in claim 1, wherein the ferrite has a 4 π MS of 400-1000 Gauss.
6. The P-band high power waveguide circulator of claim 1 wherein the matching block is made of copper.
7. The P-band high power waveguide circulator of claim 1 further comprising a triangular block, wherein the triangular block is mounted on the mounting platform adjacent to the outermost sides of the magnetic steel.
8. The P-band high power waveguide circulator of claim 7 further comprising a connecting rod, wherein the top ends of the two triangular blocks are connected by the connecting rod.
9. The P-band high power waveguide circulator of claim 7, further comprising an iron plate or a steel plate, wherein the iron plate or the steel plate is installed between the magnetic steel and the triangular block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020435129.6U CN211320282U (en) | 2020-03-30 | 2020-03-30 | P-waveband high-power waveguide circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020435129.6U CN211320282U (en) | 2020-03-30 | 2020-03-30 | P-waveband high-power waveguide circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320282U true CN211320282U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020435129.6U Active CN211320282U (en) | 2020-03-30 | 2020-03-30 | P-waveband high-power waveguide circulator |
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| Country | Link |
|---|---|
| CN (1) | CN211320282U (en) |
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2020
- 2020-03-30 CN CN202020435129.6U patent/CN211320282U/en active Active
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