Y-shaped high-power broadband circulator

Abstract

The utility model discloses a high-power circulator with a Y-shaped port, which comprises a cavity, the cavity comprises an upper cavity and a lower cavity, and a first gyromagnetic ferrite, an inner conductor and a second gyromagnetic ferrite are sequentially arranged in an inner cavity between the upper cavity and the lower cavity from top to bottom. An upper samarium-cobalt permanent magnet and a lower samarium-cobalt permanent magnet are arranged in the upper cavity and the lower cavity respectively, an upper cover plate and a lower cover plate are arranged at the top end of the upper cavity and the bottom end of the lower cavity respectively, and all the components are fixed in the upper cavity and the lower cavity through the upper cover plate and the lower cover plate; the antenna has the advantages of simple structure, wide bandwidth, high temperature resistance and high power resistance.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the device technical field of circulator, specifically relates to a Y type high -power broadband circulator. BACKGROUND

[0002] The existing S wave band circulator uses discrete magnetic conductive material to make the shell, the magnetic conductive material is glued to the cavity with adhesive, two pieces of ferrite, a center conductor, a permanent magnet, a magnetic conductive material are loaded in the cavity, and the magnetic conductive material is fixed on the cavity with a rivet respectively.The permanent magnet provides a bias magnetic field for the ferrite, and the center conductor has three lead-out end points.This structure is a cube, and the volume is large.The double Y design of the inner conductor is prone to tip discharge when the power is increased, and the device is damaged.With the development of technology, product miniaturization, broadband and power resistance have become market trends. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the deficiency of the prior art, and provides a Y type high -power broadband circulator, which has the advantages of simple structure, good magnetic circuit closure, simple center conductor structure, high power resistance, high reliability and easy assembly.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A Y type port high -power circulator, including cavity, the cavity includes upper cavity and lower cavity, the upper cavity and lower cavity between internal cavity are provided with first spin magnetic ferrite, inner conductor and second spin magnetic ferrite from top to bottom,

[0006] Wherein, the upper cavity bottom and lower cavity top are provided with notches at three positions, and the notches of the two are located at the same position, forming a port slot, the three edge end ports of the inner conductor are fixed in the port slot through the upper and lower two dielectric blocks correspondingly, and one SMAK connector is arranged outside each port slot correspondingly, and the SMAK connector is electrically connected with the inner conductor;

[0007] The upper cavity and lower cavity are respectively provided with upper samarium-cobalt permanent magnet and lower samarium-cobalt permanent magnet, the upper samarium-cobalt permanent magnet and the first spin magnetic ferrite are respectively provided with uniform magnet sheet one and uniform magnet sheet two, and the lower samarium-cobalt permanent magnet and the second spin magnetic ferrite are respectively provided with uniform magnet sheet one and uniform magnet sheet two, the upper cavity top end and the lower cavity bottom end are respectively provided with upper cover plate and lower cover plate, and each component is fixed in the upper cavity and lower cavity through the upper and lower cover plates.

[0008] The utility model further limits the technical scheme:

[0009] Further, the inner conductor is a circular center conductor, which is made of 0.2mm thick copper foil, and the surface is plated with silver.

[0010] Further, the first and second gyromagnetic ferrite are cylindrical design.

[0011] Further, the first and second gyromagnetic ferrite are respectively sleeved with the first and second dielectric rings.

[0012] Further, the upper and lower cavities are fixed to each other by screws, and the upper and lower cover plates are fixedly connected to the upper and lower cavities by gluing and screws respectively.

[0013] Further, the upper and lower samarium-cobalt magnetic fields are glued to the corresponding uniform magnet pieces.

[0014] Further, the upper and lower ends of the SMAK connector are fixedly connected to the upper and lower cavities by screws respectively.

[0015] Further, the cavity is made of aluminum and has a shape of a regular hexagon.

[0016] Compared with the prior art, the technical scheme of the utility model has the advantages that:

[0017] (1) The utility model adopts samarium-cobalt permanent magnets, the magnetic stability is long-lasting, the magnetic field strength formed is not easy to attenuate, the uniform magnet piece one and the uniform magnet piece two are arranged between the samarium-cobalt permanent magnets and the first gyromagnetic ferrite and between the samarium-cobalt permanent magnets and the second gyromagnetic ferrite respectively, the magnetic field is more uniform, and the magnetic field is stable at high temperature.

[0018] (2) The utility model adopts 0.2mm thick copper foil processing, the surface is silver-plated, the electric conductivity is enhanced, the loss is reduced, the circular center joint design is adopted, the power resistance is improved, and the tip discharge is avoided.

[0019] (3) The cavity of the utility model is made of aluminum and has a shape of a regular hexagon, and the volume is reduced.

[0020] (4) The upper and lower ends of the SMAK connector are fixedly connected to the upper and lower cavities by screws respectively, the connector is designed to be detachable, and various types of connectors can be replaced according to the use needs of users.

[0021] (5) The utility model has simple structure, wide bandwidth, high temperature resistance, high power resistance, high reliability and easy assembly. DRAWINGS

[0022] Figure 1 It is a structure exploded schematic view of the utility model. CONCRETE IMPLEMENTING METHOD

[0023] EMBODIMENT

[0024] To make this utility model clearer, the following description, in conjunction with the accompanying drawings, further illustrates this utility model. The specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this utility model.

[0025] A Y-port high-power circulator, such as Figure 1 As shown, the device includes a cavity made of aluminum and shaped like a regular hexagon. The cavity comprises an upper cavity 4a and a lower cavity 4b, which are fixed together by screws. The internal cavity between the upper and lower cavities is configured with, from top to bottom, a first spiral ferrite 6a, an inner conductor 8, and a second spiral ferrite 6b. A first dielectric ring 5a and a second dielectric ring 5b are respectively fitted around the exterior of the first spiral ferrite 6a and the second spiral ferrite 6b.

[0026] Notches are provided at three locations at the bottom of the upper cavity 4a and the top of the lower cavity 4b, and the notches are located at the same position to form port slots. The three end ports of the inner conductor are respectively fixed in the port slots by the upper and lower dielectric blocks 7. A SMAK connector is provided on the outside of each port slot. The SMAK connector is electrically connected to the inner conductor. At the same time, the upper and lower ends of the SMAK connector are respectively fixed to the upper and lower cavities by screws.

[0027] Upper samarium cobalt permanent magnet 2a and lower samarium cobalt permanent magnet 2b are respectively installed inside the upper cavity 4a and the lower cavity 4b. Uniform magnet sheet 1 3a and uniform magnet sheet 2b are respectively installed between the upper samarium cobalt permanent magnet 2a and the first gyromagnetic ferrite 6a, and between the lower samarium cobalt permanent magnet 2b and the second gyromagnetic ferrite 6b. The upper and lower samarium cobalt magnetic fields and the corresponding uniform magnet sheets are glued together. Upper cover plate 1a and lower cover plate 1b are respectively installed at the top of the upper cavity 4a and the bottom of the lower cavity 4b. The upper cover plate and the lower cover plate are fixedly connected to the upper and lower cavities respectively by glue and screws, thus fixing each component inside the upper and lower cavities.

[0028] In this embodiment, the inner conductor 8 is a circular central section conductor, which is made of 0.2mm thick copper foil and its surface is plated with silver; the first vortex ferrite 6a and the second vortex ferrite 6b are cylindrical designs, both of which are G4259 (800) ferrite, and the dielectric block 7 is a polytetrafluoroethylene dielectric block.

[0029] The main technical specifications of a Y-port high-power circulator according to this embodiment are shown in the table below:

[0030]

[0031] In addition to the embodiments described above, this utility model may have other implementations. All technical solutions formed by equivalent substitution or equivalent transformation fall within the protection scope claimed by this utility model.

Claims

1. A Y-port high-power circulator, comprising a cavity, characterized in that: The cavity includes an upper cavity (4a) and a lower cavity (4b). The internal cavity between the upper cavity and the lower cavity is provided with a first gyromagnetic ferrite (6a), an inner conductor (8) and a second gyromagnetic ferrite (6b) arranged sequentially from top to bottom. Among them, notches are provided at three locations at the bottom of the upper cavity (4a) and the top of the lower cavity (4b), and the notches are located at the same position to form port slots. The three end ports of the inner conductor are respectively fixed in the port slots by two upper and lower dielectric blocks (7), and a SMAK connector is provided on the outside of each port slot. The SMAK connector is electrically connected to the inner conductor. The upper cavity (4a) and the lower cavity (4b) are respectively provided with an upper samarium cobalt permanent magnet (2a) and a lower samarium cobalt permanent magnet (2b). A uniform magnet sheet one (3a) and a uniform magnet sheet two (3b) are respectively provided between the upper samarium cobalt permanent magnet (2a) and the first gyromagnetic ferrite (6a) and between the lower samarium cobalt permanent magnet (2b) and the second gyromagnetic ferrite (6b). An upper cover plate and a lower cover plate are respectively provided at the top of the upper cavity (4a) and the bottom of the lower cavity (4b), and the components are fixed to the interior of the upper and lower cavities by the upper and lower cover plates.

2. A Y-port high-power circulator according to claim 1, characterized in that: The inner conductor (8) is a circular central section conductor, which is made of 0.2mm thick copper foil and its surface is plated with silver.

3. A Y-port high-power circulator according to claim 1, characterized in that: The first spiral ferrite (6a) and the second spiral ferrite (6b) are cylindrical in design.

4. A Y-port high-power circulator according to claim 1, characterized in that: The first gyromagnetic ferrite (6a) and the second gyromagnetic ferrite (6b) are respectively fitted with a first dielectric ring (5a) and a second dielectric ring (5b).

5. A Y-port high-power circulator according to claim 1, characterized in that: The upper cavity (4a) and the lower cavity (4b) are fixed to each other by screws, and the upper cover plate and the lower cover plate are fixedly connected to the upper and lower cavities respectively by adhesive and screws.

6. A Y-port high-power circulator according to claim 1, characterized in that: The upper and lower samarium cobalt magnetic fields are bonded together with the corresponding uniform magnet sheets by adhesive bonding.

7. A Y-port high-power circulator according to claim 1, characterized in that: The SMAK connector is fixedly connected to the upper and lower cavities on both sides by screws.

8. A Y-port high-power circulator according to claim 1, characterized in that: The cavity (1) is made of aluminum and is hexagonal in shape.

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