CN219998458U - Miniaturized low-cost broadband microstrip circulator - Google Patents
Miniaturized low-cost broadband microstrip circulator Download PDFInfo
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- CN219998458U CN219998458U CN202321620276.0U CN202321620276U CN219998458U CN 219998458 U CN219998458 U CN 219998458U CN 202321620276 U CN202321620276 U CN 202321620276U CN 219998458 U CN219998458 U CN 219998458U
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- microwave ferrite
- microstrip circulator
- miniaturized low
- broadband microstrip
- cost broadband
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- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims description 5
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical group [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 claims description 5
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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Abstract
The utility model discloses a miniaturized low-cost broadband microstrip circulator which comprises a magnet, an insulating sheet and a microwave ferrite which are sequentially connected, wherein a metal layer is arranged on the surface of the microwave ferrite, the metal layer comprises a central circuit, side wires, feet and a grounding layer, the central circuit is arranged on the surface, close to the insulating sheet, of the microwave ferrite, the side wires are arranged on the side surface of the microwave ferrite, the side wires are electrically connected with the central circuit, the grounding layer and the feet are arranged on the surface, far away from the insulating sheet, of the microwave ferrite, the feet are electrically connected with the side wires, and the feet are arranged in a non-contact mode with the grounding layer. The miniaturized low-cost broadband microstrip circulator has novel structure, is convenient for assembly and production, is beneficial to the miniaturization and light weight of the structure of the microstrip circulator, is beneficial to reducing the production cost of the microstrip circulator, and is suitable for the requirement of mass production.
Description
Technical Field
The utility model relates to the technical field of circulators, in particular to a miniaturized low-cost broadband microstrip circulator.
Background
With the increasing requirements on the used devices, many communication devices are developed towards miniaturization, light weight, integration, low cost and the like, and particularly, the development of 5G is advanced, so that the traditional surface-mounted circulator with the metal shell is gradually replaced by the microstrip circulator. Because compared with the traditional surface-mounted circulator with the metal shell structure, the microstrip circulator has the advantages of small weight, low cost, wide bandwidth and lower production period, but the existing microstrip circulator structure is still more complex and has larger size.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: a miniaturized low-cost broadband microstrip circulator of smaller size is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: the miniaturized low-cost broadband microstrip circulator comprises a magnet, an insulating sheet and a microwave ferrite which are sequentially connected, wherein a metal layer is arranged on the surface of the microwave ferrite, the metal layer comprises a central circuit, side wires, a foot and a grounding layer, the surface, close to the insulating sheet, of the microwave ferrite is provided with the central circuit, the side surface of the microwave ferrite is provided with the side wires, the side wires are electrically connected with the central circuit, the surface, far away from the insulating sheet, of the microwave ferrite is provided with the grounding layer and the foot, the foot is electrically connected with the side wires, and the foot is arranged in a non-contact manner with the grounding layer.
Further, the metal layer is a printing layer printed on the surface of the microwave ferrite in a thick film manner or a sputtering layer sputtered on the surface of the microwave ferrite in a vacuum manner.
Further, the central circuit comprises six fan ring areas and a connecting area for connecting the fan ring areas, the six fan ring areas are uniformly distributed around the axis of the microwave ferrite, and the connecting area is positioned at the center of the enclosing area of the six fan ring areas.
Further, the number of the side wires is three, the number of the feet is three, and the feet and the side wires are arranged in one-to-one correspondence.
Further, the included angle between the central connecting lines of the adjacent two side wires and the microwave ferrite is 120 degrees.
Further, the microwave ferrite is cylindrical.
Further, a cutting plane is arranged on the side face of the microwave ferrite, and the side wire is arranged on the cutting plane.
Further, the magnet is a samarium cobalt permanent magnet.
Further, the insulating sheet is a ceramic sheet.
Further, the magnet, the insulating sheet and the microwave ferrite are sintered at high temperature to form an integrated structure.
The utility model has the beneficial effects that: the miniaturized low-cost broadband microstrip circulator is novel in structure and convenient to assemble and produce, and the metal layer is arranged on the microwave ferrite and comprises a central circuit, side wires, feet, a ground layer and other structures, so that the thickness of the microwave ferrite is effectively reduced, the structure of the microstrip circulator is greatly simplified, the miniaturization and the light weight of the structure of the microstrip circulator are facilitated, meanwhile, the production cost of the microstrip circulator is reduced, and the microstrip circulator is suitable for the requirement of mass production.
Drawings
Fig. 1 is a schematic structure diagram of a miniaturized low-cost broadband microstrip circulator according to an embodiment of the utility model;
FIG. 2 is an exploded view of a miniaturized low-cost broadband microstrip circulator according to an embodiment of the present utility model;
fig. 3 is a bottom view of a miniaturized low-cost broadband microstrip circulator according to an embodiment of the utility model.
Description of the reference numerals:
1. a magnet;
2. an insulating sheet;
3. a microwave ferrite; 31. cutting a plane;
4. a metal layer; 41. a central circuit; 411. a sector ring area; 412. a connection region; 42. a side wire; 43. a footing; 44. a ground layer.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 3, the miniaturized low-cost broadband microstrip circulator comprises a magnet 1, an insulating sheet 2 and a microwave ferrite 3 which are sequentially connected, wherein a metal layer 4 is arranged on the surface of the microwave ferrite 3, the metal layer 4 comprises a central circuit 41, side wires 42, feet 43 and a grounding layer 44, the surface, close to the insulating sheet 2, of the microwave ferrite 3 is provided with the central circuit 41, the side surface of the microwave ferrite 3 is provided with the side wires 42, the side wires 42 are electrically connected with the central circuit 41, the surface, far away from the insulating sheet 2, of the microwave ferrite 3 is provided with the grounding layer 44 and the feet 43, the feet 43 are electrically connected with the side wires 42, and the feet 43 are not in contact with the grounding layer 44.
From the above description, the beneficial effects of the utility model are as follows: the miniaturized low-cost broadband microstrip circulator is novel in structure and convenient to assemble and produce, and the metal layer is arranged on the microwave ferrite and comprises a central circuit, side wires, feet, a ground layer and other structures, so that the thickness of the microwave ferrite is effectively reduced, the structure of the microstrip circulator is greatly simplified, the miniaturization and the light weight of the structure of the microstrip circulator are facilitated, meanwhile, the production cost of the microstrip circulator is reduced, and the microstrip circulator is suitable for the requirement of mass production.
Further, the metal layer 4 is a printed layer thick film printed on the surface of the microwave ferrite 3 or a sputtered layer vacuum sputtered on the surface of the microwave ferrite 3.
From the above description, it is known that the thickness of the metal layer formed by thick film printing or vacuum sputtering is thinner, which is advantageous to reduce the overall thickness of the microwave ferrite.
Further, the central circuit 41 includes six fanning ring areas 411 and a connection area 412 for connecting the fanning ring areas 411, the six fanning ring areas 411 are uniformly distributed around the axis of the microwave ferrite 3, and the connection area 412 is located at the center of the surrounding area of the six fanning ring areas 411.
Further, the number of the side wires 42 is three, the number of the feet 43 is three, and the feet 43 are arranged in one-to-one correspondence with the side wires 42.
Further, the included angle between the adjacent two side wires 42 and the central line of the microwave ferrite 3 is 120 °.
From the above description, the metal layer has a simple structure and is convenient to set.
Further, the microwave ferrite 3 is cylindrical.
From the above description, it is clear that the cylindrical microwave ferrite is easier to process.
Further, a cutting plane 31 is provided on a side surface of the microwave ferrite 3, and the side wire 42 is provided on the cutting plane 31.
As can be seen from the above description, the provision of the cutting plane facilitates the provision of the side wires.
Further, the magnet 1 is a samarium cobalt permanent magnet.
From the description, the samarium cobalt permanent magnet has high magnetic performance and good temperature performance, and is beneficial to improving the overall performance of the miniaturized low-cost broadband microstrip circulator.
Further, the insulating sheet 2 is a ceramic sheet.
From the above description, the ceramic plate has longer service life, which is beneficial to improving the safety and stability of operation.
Further, the magnet 1, the insulating sheet 2 and the microwave ferrite 3 are sintered at high temperature to form an integrated structure.
From the above description, the miniaturized low-cost broadband microstrip circulator has a simple structure and is convenient for production and processing.
Example 1
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: a miniaturized low-cost broadband microstrip circulator is used in communication equipment (such as mobile phones and radars) to isolate the receiving and signaling from each other.
The miniaturized low-cost broadband microstrip circulator comprises a magnet 1, an insulating sheet 2 and a microwave ferrite 3 which are sequentially connected, wherein a metal layer 4 is arranged on the surface of the microwave ferrite 3, the metal layer 4 comprises a central circuit 41, side wires 42, a foot 43 and a grounding layer 44, the surface, close to the insulating sheet 2, of the microwave ferrite 3 is provided with the central circuit 41, the side surface of the microwave ferrite 3 is provided with the side wires 42, the side wires 42 are electrically connected with the central circuit 41, the surface, far away from the insulating sheet 2, of the microwave ferrite 3 is provided with the grounding layer 44 and the foot 43, the foot 43 is electrically connected with the side wires 42, and the foot 43 is not in contact with the grounding layer 44, in the embodiment, after the metal layer 4 is arranged on the surface of the microwave ferrite 3, the magnet 1, the insulating sheet 2 and the microwave ferrite 3 are formed into an integrated structure through high-temperature sintering, in other embodiments, the magnet 1, the insulating sheet 2 and the microwave ferrite 3 can be connected in a bonding mode and the like.
In this embodiment, the metal layer 4 is a printed layer thick film printed on the surface of the microwave ferrite 3 or a sputtered layer vacuum sputtered on the surface of the microwave ferrite 3, and in other embodiments, the metal layer 4 may be a metal layer 4 disposed on the surface of the microwave ferrite 3 by other process methods.
Referring to fig. 2, the central circuit 41 includes six fan ring areas 411 and a connection area 412 for connecting the fan ring areas 411, the six fan ring areas 411 are uniformly distributed around the axis of the microwave ferrite 3, the connection area 412 is located at the center of the enclosed area of the six fan ring areas 411, in this embodiment, the six fan ring areas 411 are divided into three large fan ring areas with the same area and three small fan ring areas with the same area, and the large fan ring areas and the small fan ring areas are distributed in a staggered manner.
The number of the side wires 42 is three, the number of the feet 43 is three, the feet 43 are arranged in one-to-one correspondence with the side wires 42, and in this embodiment, the feet 43 are connected with the middle position of the outer edge of the large fan ring area.
The included angle between the adjacent two side wires 42 and the central connecting line of the microwave ferrite 3 is 120 degrees.
Optionally, the microwave ferrite 3 is in a semi-cylindrical shape, a prismatic shape or a cylindrical shape, in this embodiment, in order to reduce the processing difficulty of the microwave ferrite 3, and ensure that the magnetization of the microwave ferrite 3 is more uniform, preferably, the microwave ferrite 3 is in a cylindrical shape.
The side of the microwave ferrite 3 is provided with a cutting plane 31, and the side wire 42 is arranged on the cutting plane 31.
In this embodiment, the magnet 1 is a samarium cobalt permanent magnet, and the insulating sheet 2 is a ceramic sheet. In other embodiments, the other magnets 1 and the insulating sheet 2 may be selected according to actual needs.
In summary, the miniaturized low-cost broadband microstrip circulator provided by the utility model has novel structure and is convenient for assembly and production, and the metal layer is arranged on the microwave ferrite and comprises a central circuit, side wires, feet, a grounding layer and other structures, so that the thickness of the microwave ferrite is effectively reduced, the structure of the microstrip circulator is greatly simplified, the miniaturization and the light weight of the structure of the microstrip circulator are facilitated, meanwhile, the production cost of the microstrip circulator is reduced, and the microstrip circulator is suitable for the requirement of mass production; the thickness of the metal layer formed by thick film printing or vacuum sputtering is thinner, which is beneficial to reducing the overall thickness of the microwave ferrite and the miniaturized low-cost broadband microstrip circulator; the cylindrical microwave ferrite is easier to process, and the magnetization of the ferrite is more uniform under the influence of an externally applied bias magnetic field.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a miniaturized low-cost broadband microstrip circulator which characterized in that: including consecutive magnet, insulating piece and microwave ferrite, microwave ferrite's surface is provided with the metal level, the metal level includes central circuit, side wire, footing and earth plane, microwave ferrite is close to the face of insulating piece is equipped with central circuit, microwave ferrite's side is provided with the side wire, the side wire with central circuit electric connection, microwave ferrite keeps away from the face of insulating piece is equipped with the earth plane with the footing, the footing with side wire electric connection, the footing with the earth plane contactless setting.
2. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the metal layer is a printing layer printed on the surface of the microwave ferrite in a thick film mode or a sputtering layer sputtered on the surface of the microwave ferrite in a vacuum mode.
3. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the center circuit comprises six fan ring areas and a connecting area for connecting the fan ring areas, the six fan ring areas are uniformly distributed around the axis of the microwave ferrite, and the connecting area is positioned at the center of the enclosing area of the six fan ring areas.
4. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the number of the side wires is three, the number of the feet is three, and the feet and the side wires are arranged in one-to-one correspondence.
5. The miniaturized low-cost broadband microstrip circulator of claim 4, wherein: the included angle between the central connecting lines of the adjacent two side wires and the microwave ferrite is 120 degrees.
6. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the microwave ferrite is cylindrical.
7. The miniaturized low-cost broadband microstrip circulator of claim 6, wherein: the side face of the microwave ferrite is provided with a cutting plane, and the side wire is arranged on the cutting plane.
8. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the magnet is a samarium cobalt permanent magnet.
9. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the insulating sheet is a ceramic sheet.
10. The miniaturized low-cost broadband microstrip circulator of claim 1, wherein: the magnet, the insulating sheet and the microwave ferrite are sintered at high temperature to form an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620276.0U CN219998458U (en) | 2023-06-25 | 2023-06-25 | Miniaturized low-cost broadband microstrip circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620276.0U CN219998458U (en) | 2023-06-25 | 2023-06-25 | Miniaturized low-cost broadband microstrip circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998458U true CN219998458U (en) | 2023-11-10 |
Family
ID=88609996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620276.0U Active CN219998458U (en) | 2023-06-25 | 2023-06-25 | Miniaturized low-cost broadband microstrip circulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998458U (en) |
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2023
- 2023-06-25 CN CN202321620276.0U patent/CN219998458U/en active Active
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