Circulator

Abstract

The utility model belongs to the technical field of circulators, and discloses a circulator which comprises a first cavity, a second cavity, a cover plate and a magnetic assembly, the second cavity is provided with an assembly hole, the cover plate can be detachably connected in the assembly hole, the first cavity is connected with the second cavity in an attached mode, and the magnetic assembly is arranged between the first cavity and the second cavity. According to the circulator provided by the utility model, when the circulator is assembled, the cover plate can be firstly assembled in the assembly hole of the second cavity, then the magnetic assembly is placed between the first cavity and the second cavity, and then the first cavity is connected with the second cavity, so that the cover plate is firstly assembled with the second cavity, and then the magnetic assembly is placed; the cover plate is not affected by the magnetic assembly during assembly, rapid assembly can be achieved, a large amount of scrap iron falling into the circulator cannot be generated during assembly of the cover plate, and the use performance of the circulator is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circulators, and particularly relates to a circulator. BACKGROUND

[0002] The circulator is a kind of device for one-way transmission of electromagnetic wave in microwave radio frequency system, generally used between microwave source and load to prevent microwave source from being interfered from load direction, so as to ensure the stable operation of microwave source.The cover plate and the shell in the existing circulator are directly connected, and the material of the shell and the cover plate is magnetically conductive metal, and the circulator contains magnetic components, so when assembling the shell and the cover plate, the cover plate is difficult to assemble due to the influence of the magnetic components.At the same time, when assembling the cover plate and the shell, the cover plate and the shell will generate a large amount of iron filings by serious friction, which will fall into the interior of the circulator and affect the performance of the circulator.

[0003] Therefore, there is an urgent need for a circulator to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The first purpose of the utility model is to provide a kind of circulator, can solve the problem that cover plate assembly is difficult, a large amount of iron filings generated when assembling cover plate falls into the interior of circulator, and affects the performance of circulator.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A kind of circulator, comprising:

[0007] First cavity, second cavity, cover plate and magnetic component, the second cavity is provided with assembly hole, the cover plate can be detachably connected in the assembly hole, the first cavity is connected with the second cavity, and the magnetic component is arranged between the first cavity and the second cavity.

[0008] As a preferred technical scheme of circulator, the first cavity includes a bottom plate and a plurality of protruding columns arranged on the bottom plate, the magnetic component is arranged between the plurality of protruding columns, the bottom surface of the second cavity is attached to the protruding columns, and the second cavity is fixedly connected to the protruding columns by fasteners.

[0009] As a preferred technical scheme of circulator, the fastener is a bolt.

[0010] As a preferred technical scheme of circulator, a plurality of protruding columns are arranged on the bottom plate in a spaced-apart manner.

[0011] As a preferred technical scheme of circulator, the protruding column is provided with a first avoiding slot, the first avoiding slot is provided with a fixing hole, the second cavity is provided with a second avoiding slot, and the second avoiding slot is opposite to the first avoiding slot.

[0012] As the preferred technical scheme of the circulator, the convex column and the bottom plate are in an integrated structure.

[0013] As the preferred technical scheme of the circulator, the assembling hole is provided with an internal thread, the cover plate is provided with an external thread, and the internal thread and the external thread are screwed with each other.

[0014] As the preferred technical scheme of the circulator, at least one polygonal hole is arranged on the cover plate.

[0015] As the preferred technical scheme of the circulator, the magnetic assembly comprises a center conductor, two ferrite, two uniform magnetic sheets, a magnet sheet and a temperature compensation sheet, the two ferrite and the two uniform magnetic sheets are respectively arranged on the two sides of the center conductor from near to far, the magnet sheet is arranged on the side of one of the uniform magnetic sheets away from the ferrite, and the temperature compensation sheet is arranged on the side of the magnet sheet away from the uniform magnetic sheet.

[0016] As the preferred technical scheme of the circulator, the center conductor comprises a plurality of legs, and a placing groove is formed between the convex columns, and the plurality of legs are correspondingly arranged in the plurality of placing grooves.

[0017] The circulator has the advantages that:

[0018] The circulator has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is an explosion schematic view of the circulator provided by the utility model;

[0020] Figure 2 is a structural schematic view of the circulator provided by the utility model;

[0021] Figure 3 is a flow schematic view of the assembling method of the circulator provided by the utility model.

[0022] In the drawings:

[0023] 1, first cavity; 11, bottom plate; 12, protruding column; 121, first avoiding slot; 122, fixing hole; 2, second cavity; 21, assembling hole; 3, cover plate; 31, polygonal hole; 4, magnetic assembly; 40, center conductor; 401, foot; 41, ferrite; 42, uniform magnetic sheet; 43, magnet sheet; 44, temperature compensation sheet; 5, fastener. DETAILED DESCRIPTION

[0024] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0025] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0027] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0028] As Figure 1 And Figure 2As shown in the figure, the embodiment provides a circulator, which comprises a first cavity 1, a second cavity 2, a cover plate 3 and a magnetic assembly 4. The second cavity 2 is provided with an assembly hole 21, the cover plate 3 is detachably connected in the assembly hole 21, the first cavity 1 is connected with the second cavity 2, and the magnetic assembly 4 is arranged between the first cavity 1 and the second cavity 2. When the circulator is assembled, the cover plate 3 is first assembled in the assembly hole 21 of the second cavity 2, then the magnetic assembly 4 is placed between the first cavity 1 and the second cavity 2, and then the first cavity 1 is connected with the second cavity 2. Since the cover plate 3 is assembled with the second cavity 2 first, and then the magnetic assembly 4 is placed, the cover plate 3 will not be affected by the magnetic assembly 4 during assembly, and can be quickly assembled. The cover plate 3 will not generate a large amount of iron filings falling into the circulator during assembly, so that the use performance of the circulator is guaranteed. By arranging the second cavity 2, the cover plate 3 can be assembled before the magnetic assembly 4 is assembled, which reduces the assembly difficulty of the cover plate 3, and solves the problem of generating iron filings during assembly of the cover plate 3. When the first cavity 1 and the second cavity 2 are assembled, they are fixed after being attached, so that the first cavity 1 and the second cavity 2 will not rub during assembly, thereby avoiding the generation of iron filings and ensuring the use of the circulator.

[0029] Exemplarily, the first cavity 1 comprises a bottom plate 11 and a plurality of protruding columns 12 arranged on the bottom plate 11 in a ring shape. The magnetic assembly 4 is arranged between the plurality of protruding columns 12, and the plurality of protruding columns 12 provide a containing space for the magnetic assembly 4 and limit the magnetic assembly 4 to prevent the magnetic assembly 4 from falling. In the circulator, the bottom surface of the second cavity 2 is attached to the protruding columns 12, and the first cavity 1 and the second cavity 2 are fixedly connected with the protruding columns 12 through fasteners 5. Specifically, a first positioning hole is arranged on the protruding column 12, a second positioning hole corresponding to the first positioning hole is arranged on the second cavity 2, the first positioning hole is provided with an internal thread, the fastener 5 is provided with an external thread, the fastener 5 is screwed with the internal thread of the first positioning hole after passing through the second positioning hole, and finally is locked in the first positioning hole. In the embodiment, the fastener 5 can be a bolt. Further, the plurality of protruding columns 12 are arranged on the bottom plate 11 in a ring shape and are spaced apart from each other, which improves the rationality of the structure of the first cavity 1 and further reduces the risk of the magnetic assembly 4 falling from between the protruding columns 12.

[0030] As a preferred, the protruding column 12 is provided with a first avoiding groove 121, and a fixing hole 122 is arranged in the first avoiding groove 121. Meanwhile, a second avoiding groove is arranged on the second cavity 2, and the second avoiding groove is opposite to the first avoiding groove 121. In this way, after the assembly of the circulator is completed, the staff can fix the circulator through the fixing hole 122 and the fixing piece. The arrangement of the first avoiding groove 121 and the second avoiding groove makes it more convenient for the staff to assemble the fixing piece and gives the staff operation space. The fixing piece can be a bolt.

[0031] Preferably, the convex column 12 and the bottom plate 11 are integrated structures, which not only facilitate the processing of the first cavity 1, but also make the overall structure of the first cavity 1 more stable, further guarantee the stability of the circulator structure, and improve the service life of the circulator.

[0032] Regarding the assembly of the cover plate 3 and the assembly hole 21, exemplarily, an inner thread is arranged on the assembly hole 21, and an outer thread is arranged on the cover plate 3, the inner thread and the outer thread are screwed with each other, so that the cover plate 3 can be detachably connected in the assembly hole 21. Preferably, at least one polygonal hole 31 is arranged on the cover plate 3, so that the cover plate 3 can be quickly assembled or disassembled with the assembly hole 21 by rotating the cover plate 3 through the corresponding polygonal column tool, further reducing the assembly difficulty of the cover plate 3 and the assembly hole 21 for the staff. The polygonal hole 31 can be a quadrilateral hole, a pentagonal hole or a hexagonal hole, and the specification of the polygonal hole 31 is not limited here.

[0033] Exemplarily, the magnetic assembly 4 includes a center conductor 40, two ferrite 41, two uniform magnetic sheets 42, a magnet sheet 43 and a temperature compensation sheet 44, wherein the two ferrite 41 and the two uniform magnetic sheets 42 are respectively arranged on the two sides of the center conductor 40 from near to far, and the ferrite 41 is respectively arranged on the two sides of the center conductor 40, so as to avoid the heat generated by the two ferrite 41 from being concentrated when the circulator works, and avoid the local temperature being too high during the working process of the circulator, which affects the service life of the circulator. The magnet sheet 43 is arranged on the side of one of the uniform magnetic sheets 42 away from the ferrite 41, and the temperature compensation sheet 44 is arranged on the side of the magnet sheet 43 away from the uniform magnetic sheet 42. Specifically, the center conductor 40 is used for signal transmission, the magnet sheet 43 is used for providing an external bias magnetic field, the uniform magnetic sheet 42 is used for making the external bias magnetic field uniform, and the ferrite 41 is used for providing a rotating magnetic field. The temperature compensation sheet 44 is used for providing temperature compensation for other components inside the circulator. Specifically, when the circulator works, the temperature of the whole circulator will change, which will affect the parameters of the circulator. The arrangement of the temperature compensation sheet 44 can ensure that the temperature of the circulator is within a stable range, thereby ensuring the stability of the parameters of the circulator, and further improving the stability of the performance of the circulator when working. In the embodiment, the functions of the center conductor 40, the ferrite 41, the uniform magnetic sheet 42 and the magnet sheet 43 are known in the field of circulators, and will not be described in detail here.

[0034] Further, the center conductor 40 comprises a plurality of feet 401, which are arranged in the placing grooves formed between the protruding columns 12, and the plurality of feet 401 are arranged in the plurality of placing grooves. In this way, the first cavity 1 not only has a simple structure, but also can realize the quick and stable placement of the center conductor 40, and further improve the rationality of the design of the circulator. Meanwhile, after the circulator is assembled, the external air can flow to the inside of the circulator through the positions of the placing grooves, realize the air circulation in the circulator, and further reduce the internal temperature of the circulator during operation through the air circulation, so that the use safety of the circulator is further ensured.

[0035] As shown in Figure 3 The embodiment provides an assembling method of a circulator, which comprises the following steps:

[0036] Preliminarily assembling the cover plate 3 into the assembling hole 21 of the second cavity 2;

[0037] Placing the magnetic assembly 4 in the first cavity 1;

[0038] Connecting the second cavity 2 with the first cavity 1;

[0039] Adjusting the cover plate 3 again, so that the cover plate 3 abuts against the magnetic assembly 4.

[0040] The assembling method of the circulator provided by the embodiment has simple assembling steps, and the cover plate 3 can be quickly assembled, so that the cover plate 3 is prevented from being seriously rubbed with the assembling hole 21 during assembly and a large amount of iron filings is generated, and the use performance of the circulator is ensured.

[0041] Obviously, the above embodiment of the utility model is only for clearly illustrating the utility model, and is not the limitation of the embodiment of the utility model. For the ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, all the embodiments are not required to be exhausted. Any modification, equivalent replacement and improvement made in the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A circulator, characterized by, include: The system comprises a first cavity (1), a second cavity (2), a cover plate (3), and a magnetic component (4). The second cavity (2) is provided with an assembly hole (21). The cover plate (3) can be detachably connected to the assembly hole (21). The first cavity (1) and the second cavity (2) are fitted together. The magnetic component (4) is placed between the first cavity (1) and the second cavity (2). The first cavity (1) includes a base plate (11) and a plurality of protruding posts (12) arranged around the base plate (11). The bottom surface of the second cavity (2) is in contact with the protruding posts (12). The second cavity (2) is fixedly connected to the protruding posts (12) by fasteners (5).

2. The circulator of claim 1, wherein, The magnetic component (4) is positioned between the plurality of protruding posts (12).

3. The circulator of claim 1, wherein, The fastener (5) is a bolt.

4. The circulator of claim 1, wherein, Multiple protruding posts (12) are spaced and arranged in a ring on the base plate (11).

5. The circulator of claim 1, wherein, The protruding post (12) is provided with a first clearance groove (121), and a fixing hole (122) is provided in the first clearance groove (121). The second cavity (2) is provided with a second clearance groove, and the second clearance groove is opposite to the first clearance groove (121).

6. The circulator of claim 5, wherein, The protruding column (12) and the base plate (11) are an integral structure.

7. The circulator of claim 1, wherein, The assembly hole (21) is provided with an internal thread, and the cover plate (3) is provided with an external thread. The internal thread and the external thread are screwed together.

8. The circulator of claim 7, wherein, The cover plate (3) is provided with at least one polygonal hole (31).

9. The circulator of claim 2, wherein, The magnetic component (4) includes a central conductor (40), two ferrites (41), two uniform magnetic sheets (42), a magnet (43), and a temperature compensation sheet (44). The two ferrites (41) and the two uniform magnetic sheets (42) are respectively arranged on both sides of the central conductor (40) from near to far. The magnet (43) is placed on the side of one of the uniform magnetic sheets (42) away from the ferrite (41), and the temperature compensation sheet (44) is placed on the side of the magnet (43) away from the uniform magnetic sheet (42).

10. The circulator of claim 9, wherein, The central conductor (40) includes a plurality of legs (401) and placement grooves are formed between the protruding posts (12), with the plurality of legs (401) correspondingly placed in the plurality of placement grooves.

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