Ultra-thin S-waveband isolator assembly

By designing an ultra-thin S-band isolator assembly, using a cavity made of free-machining steel and a specific magnetic field structure, combined with nickel sheets and gold-plated inner conductors, the problems of inconvenient installation and poor heat dissipation of coaxial isolators are solved. This achieves performance stability and efficient heat dissipation under extreme temperatures, meeting the high-performance requirements of microwave communication equipment.

CN223566853UActive Publication Date: 2025-11-18NANJING GUANGSHUN ELECTRONIC TECH RESEARTCH INST C LTD
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Patent Information

Application Number
CN202423054431.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-18
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

The coaxial isolators in existing microwave communication equipment are inconvenient to install, have poor heat dissipation, cannot maintain stable performance under extreme temperatures, and cannot meet the high performance requirements of the whole system.

Method used

An ultra-thin S-band isolator assembly was designed, featuring a cavity made of free-machining steel material, an internal crescent-shaped samarium cobalt magnetic field and a triangular gyromagnetic ferrite, combined with a nickel sheet and a gold-plated inner conductor, a screw-fixed cover plate, and a load with attenuator to enhance heat dissipation and electrical performance stability.

Benefits of technology

It achieves small size, wide bandwidth, low loss, good heat dissipation, high power, high reliability at room temperature and high and low temperatures, and is easy to assemble, meeting the high performance requirements of the whole system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an ultra-thin S-waveband isolator assembly, which comprises a cavity, a circular groove is arranged in the cavity, ports communicated with the groove are arranged on three side edges of the cavity, the circular surface of the circular groove is divided into three arc-shaped end surfaces by the three ports, and the arc-shaped end surfaces are communicated with the circular groove. Three crescent samarium-cobalt magnetic fields are arranged in the circular groove, and the outer arc-shaped end face of each crescent samarium-cobalt magnetic field is correspondingly attached to the three arc-shaped end faces in the circular groove. A first triangular gyromagnetic ferrite is installed among the three crescent samarium-cobalt magnetic fields, and a gold-plated inner conductor, a second triangular gyromagnetic ferrite, a nickel sheet and a cover plate are sequentially installed on the first triangular gyromagnetic ferrite from bottom to top. The utility model has the advantages of simple structure, small volume, wide bandwidth, low loss, good heat dissipation performance, high power, high normal temperature and high and low temperature reliability, easy assembly and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an isolator especially relates to an ultrathin S wave band isolator assembly. BACKGROUND

[0002] Under the condition 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, and the performance requirement of the whole machine is greatly improved, and the performance index of ferrite isolator is also put forward higher requirement, and the performance of conventional isolator has basically been unable to meet the requirement of the whole machine system, and the existing coaxial isolator structure is inconvenient to install, and the heat dissipation is poor, and the performance stability cannot be maintained under the limit temperature. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems in the prior art, the utility model provides an ultrathin S wave band isolator assembly, which has the advantages of small size, wide bandwidth, small loss, good heat dissipation performance, large power, high reliability at room temperature and high and low temperature, and easy assembly.

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

[0005] An ultrathin S wave band isolator assembly, comprising a cavity, a circular groove is arranged in the cavity, and three ports are arranged on three side edges of the cavity and communicated with the groove, the three ports divide the circular surface of the circular groove into three arc surfaces, three crescent-shaped samarium-cobalt magnetic fields are arranged in the circular groove, the outer arc surfaces of each crescent-shaped samarium-cobalt magnetic field correspond to the three arc surfaces in the circular groove respectively, a triangular spin magnetic ferrite one is installed in the middle of the three crescent-shaped samarium-cobalt magnetic fields, a gold-plated inner conductor, a triangular spin magnetic ferrite two, a nickel sheet and a cover plate are sequentially installed on the triangular spin magnetic ferrite one from bottom to top.

[0006] The utility model further limits the technical scheme:

[0007] Further, a through hole is arranged on each crescent-shaped samarium-cobalt magnetic field, and each through hole corresponds to the position of the circular groove and the three fixing holes arranged therein.

[0008] Further, three hole grooves are respectively arranged on the cover plate and the nickel sheet, the three hole grooves correspond to the through holes on the three crescent-shaped samarium-cobalt magnetic fields respectively, and the cover plate is fixedly connected with the fixing hole in the circular groove through the screw sequentially penetrating the hole groove and the through hole.

[0009] Further, the triangular spin magnetic ferrite one and the triangular spin magnetic ferrite two are both power-resistant materials.

[0010] Further, an attenuator load is arranged at one of the ports of the cavity and is electrically connected with the gold-plated inner conductor.

[0011] Further, the cavity is made of an easily-cut hard material and is surface passivated, and the cover plate is made of stainless steel.

[0012] Further, the triangular gyromagnetic ferrite one and the triangular gyromagnetic ferrite two are single-sided silver-plated, and the silver-plated surfaces of the two are respectively in contact with the cavity and the nickel sheet.

[0013] Compared with the prior art, the technical scheme of the utility model has the advantages that:

[0014] (1) The utility model has the advantages of simple structure, the cavity is made of an easily-cut hard material and is surface passivated to enhance conductivity, three crescent-shaped samarium-cobalt magnetic fields are arranged in the cavity groove, three independent magnetic fields are magnetized on three sides to make the magnetic field more uniform, which can ensure stable electrical performance of the product under any extreme conditions, the triangular gyromagnetic ferrite is arranged between the magnetic fields, the two triangular gyromagnetic ferrites are single-sided silver-plated to enhance conductivity, the gold-plated inner conductor is clamped between the upper and lower triangular gyromagnetic ferrites, and the nickel sheet is further arranged to make the performance more stable under extreme temperature, the upper cover plate is fixed on the cavity by screws, the screws are locked on the cavity and compress other materials in the cavity, the attenuator load is welded at one of the ports of the cavity and is electrically connected with the inner conductor, the use of the attenuator load can absorb greater power and is more conducive to heat dissipation, the triangular gyromagnetic ferrite is a power-resistant material, can prevent cracking and breaking under uneven pressure, can increase bandwidth, ensure technical indexes under extreme temperature, and can tolerate super-large power. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural diagram of the utility model;

[0016] Figure 2 is an exploded view of the structure of the utility model. DETAILED DESCRIPTION EMBODIMENT

[0017] In order to make the utility model clearer and more apparent, the utility model is further described below in combination with the drawings, and the specific embodiments described herein are only used to explain the utility model and do not limit the utility model.

[0018] Referring to Figure 1 and Figure 2The embodiment provides an ultrathin S-band isolator assembly, which comprises a cavity 1, a circular groove 2 is arranged in the cavity, and three ports 3 are arranged on three sides of the cavity and are communicated with the circular groove, the three ports divide a circular surface of the circular groove into three arc-shaped end surfaces, three crescent-shaped samarium-cobalt magnetic fields 4 are arranged in the circular groove, outer arc-shaped end surfaces of each crescent-shaped samarium-cobalt magnetic field correspond to the three arc-shaped end surfaces in the circular groove respectively, a triangular spin magnetic ferrite 1 5 is arranged in the middle of the three crescent-shaped samarium-cobalt magnetic fields, a gold-plated inner conductor 6, a triangular spin magnetic ferrite 2 7, a nickel sheet 8 and a cover plate 9 are sequentially arranged on the triangular spin magnetic ferrite 1 from bottom to top.

[0019] A through hole 10 is arranged on each crescent-shaped samarium-cobalt magnetic field, each through hole corresponds to the circular groove and three fixing holes 11 arranged in the circular groove, three hole grooves 12 are arranged on the cover plate and the nickel sheet respectively, the three hole grooves correspond to the through holes on the three crescent-shaped samarium-cobalt magnetic fields respectively, and the cover plate is fixedly connected with the fixing holes in the circular groove through screws passing through the hole grooves and the through holes sequentially.

[0020] The triangular spin magnetic ferrite 1 and the triangular spin magnetic ferrite 2 are both power-resistant materials, the cavity is made of an easy-to-cut hard material and is subjected to surface passivation treatment, the cover plate is made of stainless steel, the triangular spin magnetic ferrite 1 and the triangular spin magnetic ferrite 2 are both single-sided silver-plated, and the silver-plated surfaces of the two are respectively in contact with the cavity and the nickel sheet.

[0021] Main technical indexes of the ultrathin S-band isolator assembly are as follows:

[0022]

[0023] In addition to the above-mentioned embodiments, the utility model can also have other implementation manners. Any technical scheme formed by equivalent replacement or equivalent transformation falls within the protection scope required by the utility model.

Claims

1. An ultra-thin S-band isolator package comprising a cavity, characterized by: The cavity is provided with a circular groove, and three sides of the cavity are provided with ports communicating with the groove, which divide the circular surface of the circular groove into three arc-shaped end surfaces, three crescent-shaped samarium-cobalt magnetic fields are arranged in the circular groove, the outer arc-shaped end surface of each crescent-shaped samarium-cobalt magnetic field corresponds to the three arc-shaped end surfaces in the circular groove respectively, a triangular spin magnetic ferrite one is installed in the middle of the three crescent-shaped samarium-cobalt magnetic fields, and a gold-plated inner conductor, a triangular spin magnetic ferrite two, a nickel sheet and a cover plate are sequentially installed on the triangular spin magnetic ferrite one from bottom to top.

2. The ultra-thin S-band isolator package of claim 1, wherein: Each of the crescent-shaped samarium-cobalt magnetic fields is provided with a through hole, and each through hole corresponds to the circular groove and the three fixed hole positions.

3. The ultra-thin S-band isolator package of claim 2, wherein: The cover plate and the nickel sheet are respectively provided with three hole grooves, the three hole grooves correspond to the through holes of the three crescent-shaped samarium-cobalt magnetic fields respectively, and the cover plate is fixedly connected with the fixed hole in the circular groove through screws passing through the hole grooves and the through holes in sequence.

4. The ultra-thin S-band isolator package of claim 1, wherein: The triangular spin magnetic ferrite one and the triangular spin magnetic ferrite two are both power-resistant materials.

5. The ultra-thin S-band isolator package of claim 1, wherein: A load with an attenuator is arranged in one of the ports of the cavity and is electrically connected with the gold-plated inner conductor.

6. The ultra-thin S-band isolator package of claim 1, wherein: The cavity is made of an easily-cut hard material and is surface passivated, and the cover plate is made of stainless steel.

7. The ultra-thin S-band isolator package of claim 1, wherein: The triangular spin magnetic ferrite one and the triangular spin magnetic ferrite two are both single-sided silver-plated, and the silver-plated surfaces of the two respectively contact the cavity and the nickel sheet.