CN220138673U - X-band high-power embedded double-section circulator - Google Patents

X-band high-power embedded double-section circulator Download PDF

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Publication number
CN220138673U
CN220138673U CN202223541238.4U CN202223541238U CN220138673U CN 220138673 U CN220138673 U CN 220138673U CN 202223541238 U CN202223541238 U CN 202223541238U CN 220138673 U CN220138673 U CN 220138673U
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cavity
medium ring
gyromagnetic ferrite
central
groove
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王晨
姚丽
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Nanjing Guangshun Electronic Technology Research Institute Co ltd
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Nanjing Guangshun Electronic Technology Research Institute Co ltd
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Abstract

The utility model discloses an X-band high-power embedded double-section circulator, which comprises a base, wherein two cylindrical cavity size grooves with different sizes and different depths are formed in the base, and an opening groove which is communicated with each other is formed in one side of each cavity size groove; a first medium ring, a first gyromagnetic ferrite, a central conductor, a second medium ring, a second gyromagnetic ferrite, a clip, a permanent magnet and a cover plate are correspondingly and sequentially arranged in the two cavity size grooves from bottom to top; the utility model has the advantages of good magnetic circuit closure, small loss, high isolation, vibration resistance, impact resistance, small structure, easy assembly, high reliability, good heat dissipation performance, high power and strong anti-magnetic interference capability.

Description

X-band high-power embedded double-section circulator
Technical Field
The utility model belongs to the technical field of devices of circulators, and particularly relates to an X-band high-power embedded double-section circulator for a radar, a high-power microwave system and an antenna network.
Background
The circulator is a three-port device which transmits the incident wave entering any port of the circulator into the next port according to the direction determined by the static magnetic field.
In the existing embedded double-section circulator structure, a discrete magnetic conduction material is used as a shell, namely, the periphery of a cavity is glued with the magnetic conduction material by using an adhesive. The cavity is sequentially filled with a microwave ferrite sheet, a central conductor, a microwave ferrite sheet, a magnetic conduction disc and a permanent magnet, and the upper side and the lower side of the cavity are respectively provided with two pieces of magnetic conduction materials which are respectively fixed on the upper surface and the lower surface of the cavity by screws. The permanent magnet provides a bias magnetic field for the ferrite, and the center conductor is provided with three leading-out end points which are respectively led out of three ports of the cavity. The structure is that a plurality of magnetic conductive materials are fixed on the cavity by using an adhesive and screws, and a magnetic loop is formed with the cavity. The structure has the advantages of large processing consumable, low working magnetic field, incomplete closing of magnetic circuit, large magnetic leakage, low magnetic circuit efficiency, and over-large volume of the whole device, and is difficult to realize miniaturization of the structure. Meanwhile, when the device is used, the larger the power passing through the device is, the more microwave energy in the device is converted into heat energy, the serious energy waste is caused, and the device can be possibly caused to generate excessive heat to cause failure. Along with the high-speed development of the microwave integration technology, the application of microwave electronic equipment is becoming wider, the demands of the market on the miniaturization, high power, lightweight and easy integration of the circulator are becoming larger, the electric performance is also being higher, and the traditional circulator can not meet the market demands.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the X-band high-power embedded double-section circulator which has the advantages of simple structure, good temperature performance, suitability for a radar, a high-power microwave system and an antenna network, and obvious advantages compared with the traditional circulator: the magnetic circuit is closed, the loss is small, the isolation is high, the vibration resistance is high, the shock resistance is low, the structure is small, the distribution is easy, the reliability is high, the heat dissipation performance is good, the power is high, and the anti-magnetic interference capability is strong.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an X-band high-power embedded double-section circulator comprises a base, wherein two cylindrical cavity large grooves and cavity small grooves with different sizes and different depths are formed in the base, and an opening groove which is communicated with each other is formed in one side of each of the two cavity large grooves;
a first medium ring I, a first gyromagnetic ferrite I, a second medium ring I, a second gyromagnetic ferrite I, a clip I, a samarium cobalt permanent magnet I and a cover plate I are correspondingly and sequentially arranged in the cavity large groove from bottom to top; a first medium ring II, a first gyromagnetic ferrite II, a second medium ring II, a second gyromagnetic ferrite II, a clip II, a samarium cobalt permanent magnet II and a cover plate II are correspondingly and sequentially arranged in the cavity small groove from bottom to top;
the first gyromagnetic ferrite I, the first gyromagnetic ferrite II, the second gyromagnetic ferrite I and the second gyromagnetic ferrite II are respectively embedded into the first medium ring I, the first medium ring II, the second medium ring I and the second medium ring II correspondingly, and are correspondingly placed in the central positions in the cavity grooves, and central conductors are arranged between two groups of gyromagnetic ferrite and the medium ring in the two cavity grooves;
the cavity big groove and the cavity small groove are respectively provided with a fine thread structure on the inner wall, the cover plate I and the cover plate II are respectively cylindrical, fine threads are arranged on the side surfaces, two through holes are formed in the two bottom surfaces simultaneously, and the alignment threads of the cover plate I and the cover plate II are correspondingly screwed into the cavity big groove and the cavity small groove.
The utility model further defines the technical scheme that:
further, two sides of the cavity large groove and the cavity small groove are respectively provided with a port, and an H-shaped structure is formed by the ports and the open grooves.
Further, the central conductor is processed by copper foil with the thickness of 0.2mm, the surface of the central conductor is silvered, the central conductor consists of two central junctions, one of the central junctions is triangular, a long line angle is led out from the central position perpendicular to three sides of the triangle, the angle of a lead is led out from three angles of the triangle, the angle of the lead is 120 degrees, the central junctions are overlapped and symmetrical with each other, the other central junction of the central conductor is circular, the angle of the lead is led out from three directions of the circle, the angles of the lead are 120 degrees, the central lines are overlapped and symmetrical with each other, one line led out from two central junctions is intersected, and four leads of the central conductor extend out of four ports of the cavity groove.
Further, the first gyromagnetic ferrite I and the second gyromagnetic ferrite II are made of power-resistant materials, the thickness of the first gyromagnetic ferrite I is 1.1mm, and the thickness of the first gyromagnetic ferrite II is 0.9mm.
Furthermore, the first medium ring I, the second medium ring I and the second medium ring II are made of polytetrafluoroethylene materials, and have excellent insulativity.
Furthermore, the first clip and the second clip are both made of A3 steel, and the outer layers of the first clip and the second clip are plated with nickel.
Further, the first permanent magnet and the second permanent magnet are samarium cobalt permanent magnets.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
(1) The cavity is processed by the easy-to-cut steel material, the outer layer of the cavity is plated with silver, the electrical performance of the product is improved, namely, the electrical performance index of the product is improved, two sides of a large cavity groove and a small cavity groove are respectively provided with one port, an H-shaped structure is formed by the ports and the open grooves, and the directions of the four H-shaped ports are consistent with the directions of the four outgoing lines of the central conductor;
(2) The central conductor is processed by adopting copper foil with the thickness of 0.2mm, silver is plated on the surface, the conductivity is enhanced, and the loss is reduced;
(3) The gyromagnetic ferrite is made of two power-resistant materials with different thicknesses of 1.1mm and 0.9mm, so that the overall height of the product is reduced and the product is high-power-resistant;
(4) The permanent magnet is a samarium cobalt permanent magnet, has high magnetic performance, is stable and durable, and has the advantages that the formed magnetic field intensity is not easy to attenuate and the temperature performance is good;
(5) The utility model has the advantages of large power capacity, good heat dissipation performance, strong anti-magnetic interference capability, small volume, good consistency, high performance, simple structure, easy assembly, convenient use, high production efficiency, good vibration resistance, good temperature characteristics and the like, and is suitable for radar, high-power microwave systems and antenna networks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an exploded view of the structure of the present utility model.
Detailed Description
Example 1
For the sake of clarity of the present utility model, an X-band high power embedded dual-section circulator of the present utility model is further described below with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the present utility model, and are not intended to limit the present utility model.
Referring to fig. 1 and 2, an X-band high-power embedded double-section circulator comprises a base, wherein the base is processed by a skiving steel material, the outer layer of the base is silvered, two cylindrical cavity big grooves 1a and cavity small grooves 1b with different sizes and depths are arranged on the base 1, an open slot 1c which is mutually communicated is arranged on one side adjacent to the two cavity big grooves, two ports 1d are respectively arranged on two sides of the two cylindrical cavity big grooves, and an H-shaped structure is formed with the open slot 1c,
a first medium ring I2, a first gyromagnetic ferrite I4, a second medium ring I7, a second gyromagnetic ferrite I9, a clip I11, a samarium cobalt permanent magnet I13 and a cover plate I15 are correspondingly and sequentially arranged in the cavity large groove 1a from bottom to top; a first medium ring II 3, a first gyromagnetic ferrite II 5, a second medium ring II 8, a second gyromagnetic ferrite II 10, a clip II 12, a samarium cobalt permanent magnet II 14 and a cover plate II 16 are correspondingly and sequentially arranged in the cavity small groove 1b from bottom to top;
the first gyromagnetic ferrite I4, the first gyromagnetic ferrite II 5, the second gyromagnetic ferrite I9 and the second gyromagnetic ferrite II 10 are respectively embedded into the first medium ring I2, the first medium ring II 3, the second medium ring I7 and the second medium ring II 8 correspondingly, and are correspondingly placed in the central positions in the cavity grooves, and central conductors are arranged between the two groups of gyromagnetic ferrite and the medium ring in the two cavity grooves;
the central conductor is processed by adopting copper foil with the thickness of 0.2mm, the surface of the central conductor is plated with silver, the central conductor consists of two central junctions, one of the central junctions is triangular, the angles of long lines are respectively led out from the central positions of three sides of the triangle, the angles of leads are respectively led out from the three angles of the triangle, the angles of leads are 120 degrees, so that the central lines coincide and are symmetrical with each other, the other central junction of the central conductor is circular, the angles of leads are respectively led out from the three directions of the circle, the angles of leads are 120 degrees, so that the central lines coincide and are symmetrical with each other, one line led out from the two central junctions intersects, and the central conductor has four leads which extend out of four ports 1d of the cavity;
the inner walls of the two cavity size grooves 1a and 1b are provided with fine thread structures, the cover plate I15 and the cover plate II 16 are cylindrical, fine threads are arranged on the side surfaces, two through holes are arranged on the bottom surfaces, and the aligned threads of the cover plate I15 and the cover plate II 16 are correspondingly screwed into the cavity size grooves 1a and 1 b;
the first gyromagnetic ferrite I and the second gyromagnetic ferrite II are made of power-resistant materials, the thickness of the first gyromagnetic ferrite I is 1.1mm, and the thickness of the first gyromagnetic ferrite II is 0.9mm; the first medium ring I, the second medium ring I and the second medium ring II are made of polytetrafluoroethylene materials, and have excellent insulativity; the first clip and the second clip are both made of A3 steel, and the outer layers of the first clip and the second clip are plated with nickel; the first permanent magnet and the second permanent magnet are samarium cobalt permanent magnets, and the two cover plates are made of stainless iron materials.
The main technical indexes of the X-band high-power embedded double-section circulator of the embodiment are as follows:
frequency range 8-12GHz bandwidth 10%
Forward loss of ≤0.60dB
Reverse loss ≥45dB
Standing wave coefficient ≤1.20
Temperature range -55℃-+85℃
Form of joint W→W→W
External dimension 21×(15+3)×7.5mm
Through power 6000w
The ratio of the two-section circulator of the embodiment to the traditional process is as follows: it has the advantages of no need of adhesive, good magnetic shielding, good stability, light product quality, small product volume, simple structure, easy assembly and easy mass production,
in addition to the embodiments described above, other embodiments of the utility model are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the utility model.

Claims (7)

1. The utility model provides an X wave band high-power embedded two sections circulator, includes base, its characterized in that: two cylindrical cavity large grooves (1 a) and two cylindrical cavity small grooves (1 b) which are different in size and depth are formed in the base (1), and an opening groove (1 c) which is communicated with each other is formed in one adjacent side of each of the two cavity large grooves;
a first medium ring I (2), a first gyromagnetic ferrite I (4), a second medium ring I (7), a second gyromagnetic ferrite I (9), a clamp I (11), a samarium cobalt permanent magnet I (13) and a cover plate I (15) are correspondingly and sequentially arranged in the cavity large groove (1 a) from bottom to top; a first medium ring II (3), a first gyromagnetic ferrite II (5), a second medium ring II (8), a second gyromagnetic ferrite II (10), a clip II (12), a samarium cobalt permanent magnet II (14) and a cover plate II (16) are correspondingly and sequentially arranged in the cavity small groove (1 b) from bottom to top;
the first gyromagnetic ferrite I (4), the first gyromagnetic ferrite II (5), the second gyromagnetic ferrite I (9) and the second gyromagnetic ferrite II (10) are respectively embedded into the first medium ring I (2), the first medium ring II (3), the second medium ring I (7) and the second medium ring II (8) correspondingly, and are correspondingly placed in the central positions in the cavity grooves, and central conductors are arranged between the two groups of gyromagnetic ferrite and the medium ring in the two cavity grooves;
the novel plastic cavity is characterized in that fine thread structures are arranged on the inner walls of the large cavity groove (1 a) and the small cavity groove (1 b), the first cover plate (15) and the second cover plate (16) are cylindrical, fine threads are arranged on the side surfaces, two through holes are formed in the two bottom surfaces at the same time, and the aligned threads of the first cover plate and the second cover plate are correspondingly screwed into the large cavity groove.
2. The X-band high power embedded two-section circulator of claim 1, wherein: two sides of the cavity big groove (1 a) and the cavity small groove (1 b) are respectively provided with a port (1 d) and form an H-shaped structure with the open groove (1 c).
3. The X-band high power embedded two-section circulator of claim 2, wherein: the central conductor is processed by copper foil with the thickness of 0.2mm, the surface of the central conductor is silvered, the central conductor consists of two central junctions, one of the central junctions is triangular, a long line angle is led out from the central position perpendicular to three sides of the triangle, the angle of a lead is led out from three angles of the triangle, the angle of the lead is 120 degrees, the central lines of the triangle coincide and are symmetrical with each other, the other central junction of the central conductor is circular, the angle of the lead is led out from three directions of the circle, the central lines of the circle coincide and are symmetrical with each other, one line led out from two central junctions is intersected, and the central conductor has four lead wires which extend out of four ports (1 d) of a cavity size groove.
4. The X-band high power embedded two-section circulator of claim 1, wherein: the first gyromagnetic ferrite, the second gyromagnetic ferrite and the second gyromagnetic ferrite are made of power-resistant materials, the thickness of the first gyromagnetic ferrite is 1.1mm, and the thickness of the second gyromagnetic ferrite is 0.9mm.
5. The X-band high power embedded two-section circulator of claim 1, wherein: the first medium ring I, the second medium ring I and the second medium ring II are made of polytetrafluoroethylene materials.
6. The X-band high power embedded two-section circulator of claim 1, wherein: the first clip and the second clip are made of A3 steel, and the outer layers of the first clip and the second clip are plated with nickel.
7. The X-band high power embedded two-section circulator of claim 1, wherein: the first permanent magnet (13) and the second permanent magnet (14) are samarium cobalt permanent magnets.
CN202223541238.4U 2022-12-29 2022-12-29 X-band high-power embedded double-section circulator Active CN220138673U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223541238.4U CN220138673U (en) 2022-12-29 2022-12-29 X-band high-power embedded double-section circulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223541238.4U CN220138673U (en) 2022-12-29 2022-12-29 X-band high-power embedded double-section circulator

Publications (1)

Publication Number Publication Date
CN220138673U true CN220138673U (en) 2023-12-05

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Application Number Title Priority Date Filing Date
CN202223541238.4U Active CN220138673U (en) 2022-12-29 2022-12-29 X-band high-power embedded double-section circulator

Country Status (1)

Country Link
CN (1) CN220138673U (en)

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