K and Ka wave band Y-type coaxial circulator

Abstract

The utility model discloses a K and Ka wave band Y-type coaxial circulator, which comprises an upper cavity, a lower cavity (2), an inner conductor, a first gyromagnetic ferrite, a second gyromagnetic ferrite, an SMAK joint, a first permanent magnet (8), a second permanent magnet, a first dielectric ring and a second dielectric ring, the first dielectric ring, the first gyromagnetic ferrite, the inner conductor, the second dielectric ring and the second gyromagnetic ferrite are sequentially arranged in the groove from bottom to top, and the first permanent magnet and the second permanent magnet are correspondingly placed in the upper cavity and the lower cavity respectively; the antenna is wide in frequency band, good in magnetic circuit closure, high in consistency, easy to assemble, and high in magnetic interference resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circulator, especially a coaxial circulator of K, Ka band high frequency. BACKGROUND

[0002] Under the influence of information rapid development, microwave communication has become the main means of communication, and the application of microwave electronic equipment is becoming more and more extensive, so the performance requirement of the whole machine is greatly improved, and the performance index of the ferrite circulator is also put forward higher requirement. A K, Ka band Y type coaxial circulator appears according to market demand, which has the characteristics of wide frequency band, good magnetic circuit closure, strong consistency, easy assembly, strong anti-magnetic interference ability and the like. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems existing in the prior art, the utility model provides a coaxial circulator of K, Ka band high frequency.

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme: a K, Ka band Y type coaxial circulator, comprising: an upper cavity, a lower cavity (2), an inner conductor, a first spin magnetic ferrite, a second spin magnetic ferrite, an SMAK joint, a first permanent magnet (8), a second permanent magnet and a first dielectric ring and a second dielectric ring,

[0005] A groove matched with the first dielectric ring structure is arranged on the lower cavity, and the first dielectric ring, the first spin magnetic ferrite, the inner conductor, the second dielectric ring and the second spin magnetic ferrite are sequentially arranged in the groove from bottom to top, wherein the inner conductor is clamped between the first spin magnetic ferrite and the second spin magnetic ferrite, and three lead lines are in the shape of 'Y' and are led to three ports arranged on the lower cavity, and are connected with the SMAK joint respectively;

[0006] The upper cavity and the lower cavity are fixed by screws, and the first dielectric ring, the first spin magnetic ferrite, the inner conductor, the second dielectric ring and the second spin magnetic ferrite are tightly fixed in the cavities, and the first permanent magnet and the second permanent magnet are respectively put into the upper cavity and the lower cavity.

[0007] The utility model further limits the technical scheme:

[0008] Preferably, an upper cover plate and a lower cover plate are respectively arranged on the top of the upper cavity and the bottom of the lower cavity, and the two cover plates are fixed with the corresponding cavities by acetal drying glue.

[0009] Preferably, the first spin magnetic ferrite and the second spin magnetic ferrite are both made of nickel-zinc material, and the surfaces thereof are polished;

[0010] Preferably, the inner conductor material is H62 copper, and the surface is plated with gold.

[0011] Preferably, the first dielectric ring and the second dielectric ring are both made of polytetrafluoroethylene material, and have a "Y" shape.

[0012] Preferably, the first permanent magnet and the second permanent magnet are both made of samarium-cobalt material.

[0013] The utility model has the advantages of:

[0014] (1) The utility model discloses a screw is used to fix the upper cavity and the lower cavity, which is good in magnetic circuit, easy to assemble and strong in consistency.

[0015] (2) The utility model discloses that the material of the inner conductor is H62 copper, and the surface is plated with gold, so that the loss is small, the electric conductivity is enhanced, and the three lead wires have a "Y" shape, are led out of the cavity and are connected with SMAK connectors, and are convenient to install and use.

[0016] (2) The utility model discloses that the spin magnet is made of nickel-zinc material, and the surface is polished, so that the loss is small. DRAWINGS

[0017] Figure 1 It is a K, Ka band high-frequency coaxial circulator appearance diagram;

[0018] Figure 2 It is a K, Ka band high-frequency coaxial circulator exploded view.

[0019] Figure 2 The figure shows: 1 lower cavity, 2 upper cavity, 3 first dielectric ring, 4 second dielectric ring, 5 first ferrite, 6 second ferrite, 7 inner conductor, 8 first permanent magnet, 9 second permanent magnet, 10 upper cover plate, 11 lower cover plate, 12a, 12b, 12c SMAK connector. DETAILED DESCRIPTION

[0020] The utility model technical scheme will be explained in detail below, but the protection scope of the utility model is not limited to the embodiment.

[0021] For example, Figures 1-2As shown, the utility model provides a K, Ka band high frequency coaxial circulator, include: lower cavity 1, upper cavity 2, first dielectric ring 3, second dielectric ring 4, first spin magnet ferrite 5, second spin magnet ferrite 6, inner conductor 7, first permanent magnet 8, second permanent magnet 9, upper cover plate 10, lower cover plate 11 and SMAK joint 12a, 12b, 12c, wherein first spin magnet ferrite 5 and second spin magnet ferrite 6 are all nickel zinc material, and its surface is polished, and inner conductor material is H62 copper, and surface is gold plated, and dielectric ring is polytetrafluoroethylene material, and presents " Y " shape, and first permanent magnet 8 and second permanent magnet 9 are all samarium cobalt material,

[0022] The recess that is adapted to the structure of the first dielectric ring (3) is arranged on the lower cavity 1, and the first dielectric ring 3, the first spin magnet ferrite 5, the inner conductor 7, the second dielectric ring 4 and the second spin magnet ferrite 6 are sequentially arranged in the recess from bottom to top, wherein the inner conductor (7) is clamped between the first spin magnet ferrite 5 and the second spin magnet ferrite 6, and the three lead wires are in the shape of "Y" and are led to the three ports arranged on the lower cavity 2, and are connected with the SMAK joints 12a, 12b and 12c respectively.

[0023] The upper cavity 1 and the lower cavity 2 are fixed by screws, and the first dielectric ring 3, the first spin magnet ferrite 5, the inner conductor 7, the second dielectric ring 4 and the second spin magnet ferrite 6 are tightly fixed in the two cavities, the first permanent magnet 8 and the second permanent magnet 9 are respectively arranged in the upper cavity 1 and the lower cavity 2, are double-sided magnetized, and the magnetic field intensity formed is not easy to attenuate, the upper cover plate and the lower cover plate are respectively arranged on the top of the upper cavity and the bottom of the lower cavity, and the two cover plates are fixed with the corresponding cavities by acetal drying glue.

[0024] In the embodiment, the first spin magnet ferrite (5) and the second spin magnet ferrite (6) are made of nickel zinc material, the surface is polished, the loss is small, and the frequency band is wide. The material of the inner conductor (7) is H62 copper, the surface is gold plated, the loss is small, and the conductivity is enhanced. The first permanent magnet (8) and the second permanent magnet (9) are samarium cobalt permanent magnets, the magnetism is stable and persistent, the temperature resistance is high, and the magnetic field intensity formed is not easy to attenuate.

[0025] The main technical indexes of the K, Ka band Y-type coaxial circulator in the embodiment are as follows:

[0026]

[0027] In addition to the above-mentioned embodiments, the utility model can also have other implementation manners. Any technical solution formed by equivalent replacement or equivalent transformation falls within the protection scope required by the utility model.

Claims

1. A K, Ka-band Y-type coaxial circulator, comprising: The upper cavity (1), the lower cavity (2), the inner conductor (7), the first spin magnetic ferrite (5), the second spin magnetic ferrite (6), the SMAK joint (12a) (12b) (12c), the first permanent magnet (8), the second permanent magnet (9), the first dielectric ring (3) and the second dielectric ring (4) are characterized in that: A groove is arranged on the lower cavity and is adapted to the structure of the first dielectric ring (3), and the first dielectric ring (3), the first spin magnetic ferrite (5), the inner conductor (7), the second dielectric ring (4) and the second spin magnetic ferrite (6) are sequentially arranged in the groove from bottom to top, wherein the inner conductor (7) is clamped between the first spin magnetic ferrite (5) and the second spin magnetic ferrite (6), and three leads are in the shape of "Y" and are led to three ports arranged on the lower cavity (2), and are respectively connected with the SMAK joint (12a) (12b) (12c). The upper cavity (1) and the lower cavity (2) are fixed by screws, and the first dielectric ring (3), the first spin magnetic ferrite (5), the inner conductor (7), the second dielectric ring (4) and the second spin magnetic ferrite (6) are tightly fixed in the two cavities, and the first permanent magnet (8) and the second permanent magnet (9) are respectively arranged in the upper cavity (1) and the lower cavity (2).

2. A K, Ka-band Y-type coaxial circulator according to claim 1, characterized in that: An upper cover plate (10) and a lower cover plate (11) are respectively arranged on the top of the upper cavity (1) and the bottom of the lower cavity (2), and the two cover plates are fixed with the corresponding cavities by acetal drying glue.

3. The K, Ka-band Y-junction coaxial circulator of claim 1, wherein: The first spin magnetic ferrite (5) and the second spin magnetic ferrite (6) are both made of nickel-zinc material, and the surfaces thereof are polished.

4. The K, Ka-band Y-junction coaxial circulator of claim 1, wherein: The inner conductor (7) is made of H62 copper and has a gold-plated surface.

5. The K, Ka-band Y-junction coaxial circulator of claim 1, wherein: The first dielectric ring (3) and the second dielectric ring (4) are both made of polytetrafluoroethylene material and have the shape of "Y".

6. The K, Ka-band Y-junction coaxial circulator of claim 1, wherein: The first permanent magnet (8) and the second permanent magnet (9) are both made of samarium-cobalt material.

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