X-waveband broadband waveguide circulator

Abstract

The utility model relates to an X wave band broadband waveguide circulator, which comprises a waveguide cavity, two gyromagnetic ferrites, two samarium cobalt permanent magnets and two cover plates, the waveguide cavity comprises an upper cavity and a lower cavity, and the opposite surfaces of the upper cavity and the lower cavity are respectively provided with a double-Y-shaped metal matching step. The upper cavity and the lower cavity are provided with double-Y-shaped metal matching steps, the double-Y-shaped metal matching steps and the upper cavity and the lower cavity are respectively processed into a whole, the gyromagnetic ferrites are respectively fixed on the double-Y-shaped metal steps, the upper cavity and the lower cavity are respectively provided with a magnetic field cavity, the samarium-cobalt permanent magnets are respectively placed and fixed in the magnetic field cavities, and the cover plates are respectively fixed on the magnetic field cavities of the upper cavity and the lower cavity. The waveguide upper cavity and the waveguide lower cavity are fastened through pins and 304 stainless steel screws. The X-band broadband waveguide circulator is simple in structure, easy to assemble, wide in use bandwidth, high in performance, high in reliability, resistant to vibration, good in temperature performance and suitable for radar, communication, medical treatment and broadband communication.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circulator technical field especially relates to a kind of X waveband broadband waveguide circulators. BACKGROUND

[0002] Circulator, it is a kind of non-reciprocal multiport microwave ferrite device, the power of any port in this kind of device will find certain order transmission to next port, transmission direction is determined according to static bias magnetic field, in actual application, it can effectively improve the standing wave ratio of whole machine system, protect feed source and transmit-receive duplexing etc., and it is mainly applied to waveguide circulator in radar, communication, medical treatment, safety detection and broadband communication etc.

[0003] With the high-speed development of communication technology, high-power, wide bandwidth, high-performance circulator has been the direction of research and innovation, the single Y type and triangular matching step commonly used in waveguide circulator cannot meet the market demand of present circulator, therefore, the technical personnel of the field provide a kind of X waveband broadband waveguide circulator to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency of prior art, provide a kind of X waveband broadband waveguide circulator, it is simple in structure, use bandwidth is wide, temperature performance is good, easy to install, it is applicable to radar, communication, medical treatment, safety detection and broadband communication.Compared with traditional circulator, it has obvious advantages: high isolation, small loss, resistant to vibration, impact resistance, small structure easy to assemble, high reliability, good heat dissipation performance, large power and other characteristics of waveguide circulator.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of X waveband broadband waveguide circulator, including waveguide cavity, spin magnetic ferrite one, spin magnetic ferrite two, samarium-cobalt permanent magnet one, samarium-cobalt permanent magnet two, cover plate one, cover plate two, the waveguide cavity includes waveguide upper cavity and waveguide lower cavity, double Y type metal matching step is also respectively arranged on the opposite surface of waveguide upper cavity and waveguide lower cavity, the double Y type metal matching step is respectively integrated with waveguide upper cavity and waveguide lower cavity, the spin magnetic ferrite one and spin magnetic ferrite two are glued on double Y type metal step using acetal oven dry glue, waveguide upper cavity and waveguide lower cavity are also respectively provided with magnetic field cavity, the samarium-cobalt permanent magnet one and samarium-cobalt permanent magnet two are placed in magnetic field cavity and glued and fixed using acetal oven dry glue, the cover plate one and cover plate two are glued and fixed on the magnetic field cavity of upper and lower cavities using acetal oven dry glue, waveguide upper and lower cavity are fastened using pin and stainless steel screw.

[0007] Preferably, the opposite surfaces of the waveguide upper cavity and the waveguide lower cavity are provided with double-Y-shaped metal matching steps, the double-Y-shaped metal steps are integrally processed with the cavities and do not need to be installed, the reliability of the product is improved, the performance is stable, the double-Y-shaped matching steps can widen the use frequency of the product, and the performance of the product is improved.

[0008] Preferably in any of the above solutions, the spin magnetic ferrite is made of a power-resistant material, the product performance is improved by being made into a cylinder, and the product is easy to install.

[0009] Preferably in any of the above solutions, the samarium-cobalt permanent magnet is made of a new material, the high magnetic performance, good temperature performance, corrosion resistance, oxidation resistance and high working temperature of the samarium-cobalt permanent magnet provide a stable magnetic field for the entire device, and the performance of the device is stable at temperature.

[0010] Preferably in any of the above solutions, the waveguide upper cavity is matched and installed with the groove of the lower cavity by using the principle of the pin, the upper and lower cavities of the device are more tightly installed, and the performance of the product is more stable.

[0011] Preferably in any of the above solutions, a small round hole is formed in the cover plate, air can be discharged, heat dissipation is facilitated, and the use power of the product is increased.

[0012] The X-band wideband waveguide circulator has the advantages of wide bandwidth, large power capacity, stable performance at temperature, high reliability, high performance, simple structure, easy assembly, convenient use, high production efficiency, vibration resistance and the like, and is suitable for radars, communications, medical treatment, safety detection, wideband communication and communication satellite systems.

[0013] The X-band wideband waveguide circulator has the advantages of wide bandwidth, large power capacity, stable performance at temperature, high reliability, high performance, simple structure, easy assembly, convenient use, high production efficiency, vibration resistance and the like, and is suitable for radars, communications, medical treatment, safety detection, wideband communication and communication satellite systems. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 The utility model provides an X-band wideband waveguide circulator's decomposition structure schematic diagram;

[0015] Fig. 2 The utility model provides an X-band wideband waveguide circulator's combination structure schematic diagram.

[0016] In the drawing: 1, waveguide upper cavity, 2, waveguide lower cavity, 3, spin magnetic ferrite one, 4, spin magnetic ferrite two, 5, samarium-cobalt permanent magnet one, 6, samarium-cobalt permanent magnet two, 7, cover plate one, 8, cover plate two. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. It should be noted that unless otherwise specified and limited, the terms "mounting", "connecting" and "setting" should be understood in a broad sense, and the specific meanings of the above terms in the patent can be understood by the person skilled in the art according to the specific circumstances.

[0018] With reference to Figs. 1-2 The utility model relates to an X wave band wide band waveguide circulator, including waveguide upper cavity 1 and waveguide lower cavity 2 and waveguide circulator assembly, waveguide upper cavity 1 and waveguide lower cavity 2 are processed with aluminium alloy material, its outer layer is oxidized in original color, waveguide upper cavity 1 and waveguide lower cavity 2 opposite face set up double Y type metal matching step, and set up a magnetic field cavity on the back of cavity respectively, and the magnetic field cavity is set up in double Y metal matching upper pole and the magnetic field cavity and the magnetic field cavity on the ring isolator assembly, waveguide circulator assembly includes spin magnetic ferrite one 3 and spin magnetic ferrite two 4, samarium cobalt permanent magnet one 5 and samarium cobalt permanent magnet two 6, cover plate one 7 and cover plate two 8, waveguide upper cavity 1 and waveguide lower cavity 2 set up a double Y type metal matching step, can lengthen the use frequency of product, waveguide upper cavity 1 sets up two higher than the plane round hole and waveguide lower cavity 2 cooperation processing into the pin installation mode, spin magnetic ferrite one 3 and spin magnetic ferrite two 4 utilize drying glue and are glued on the two double Y type metal matching steps of waveguide upper cavity 1 and waveguide lower cavity 2 respectively, samarium cobalt permanent magnet one 5 and samarium cobalt permanent magnet two 6 utilize drying glue and are glued in the magnetic field cavity of waveguide upper cavity 1 and waveguide lower cavity 2 respectively, cover plate one 7 and cover plate two 8 utilize drying glue and are glued on the magnetic field cavity of upper and lower cavity respectively.

[0019] The X wave band wide band waveguide circulator has the advantages that compared with the traditional process, the X wave band wide band waveguide circulator does not need to glue matching steps, is simple to install, has a wide use bandwidth, stable temperature performance, strong consistency, simple structure, easy assembly and easy mass production.

[0020] Table 1 main technical indexes of the X wave band wide band waveguide circulator

[0021]

[0022] In the application, the structures and connection relationships not described in detail are all prior art, and the structures and principles are well-known technology, which will not be described here.

[0023] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A X-band broadband waveguide circulator comprising a waveguide cavity, a gyromagnetic ferrite one (3), a gyromagnetic ferrite two (4), a samarium-cobalt permanent magnet one (5), a samarium-cobalt permanent magnet two (6), a cover plate one (7), a cover plate two (8), characterized in that, The waveguide cavity comprises a waveguide upper cavity (1) and a waveguide lower cavity (2), and double-Y type metal matching steps are further arranged on the opposite surfaces of the waveguide upper cavity (1) and the waveguide lower cavity (2), respectively, the double-Y type metal matching steps are integrally processed with the waveguide upper cavity (1) and the waveguide lower cavity (2), respectively, the gyromagnetic ferrite one (3) and the gyromagnetic ferrite two (4) are glued on the double-Y type metal steps by using acetal drying glue, respectively, the waveguide upper cavity (1) and the waveguide lower cavity (2) are further provided with magnetic field cavities, respectively, the samarium-cobalt permanent magnet one (5) and the samarium-cobalt permanent magnet two (6) are placed in the magnetic field cavities and are glued and fixed by using acetal drying glue, respectively, the cover plate one (7) and the cover plate two (8) are glued and fixed on the magnetic field cavities of the upper and lower cavities by using acetal drying glue, respectively, and the waveguide upper and lower cavities are fastened by using 304 stainless steel screws.

2. An X-band broadband waveguide circulator according to claim 1, characterized in that, The double-Y type metal matching steps on the waveguide upper cavity (1) and the waveguide lower cavity (2) are integrally processed with the waveguide upper cavity (1) and the waveguide lower cavity (2).

3. The X-band broadband waveguide circulator of claim 1, wherein, The gyromagnetic ferrite one (3) and the gyromagnetic ferrite two (4) are cylindrical ferrite.

4. The X-band broadband waveguide circulator of claim 1, wherein, The samarium-cobalt permanent magnet one (5) and the samarium-cobalt permanent magnet two (6) are made of new materials and have a thickness of 3mm.

5. The X-band broadband waveguide circulator of claim 1, wherein, The waveguide upper cavity (1) and the waveguide lower cavity (2) are provided with mounting pins.

6. The X-band broadband waveguide circulator of claim 1, wherein, The cover plate one (7) and the cover plate two (8) are provided with small round holes.

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