CN210296589U - Microwave circulator with compression joint type packaging structure - Google Patents
Microwave circulator with compression joint type packaging structure Download PDFInfo
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- CN210296589U CN210296589U CN201921714765.6U CN201921714765U CN210296589U CN 210296589 U CN210296589 U CN 210296589U CN 201921714765 U CN201921714765 U CN 201921714765U CN 210296589 U CN210296589 U CN 210296589U
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Abstract
The utility model relates to a microwave circulator with a compression joint type packaging structure, wherein a shell is a semi-closed cylindrical cavity structure, and an insulating sleeve integrating a metal terminal, a lower ferrite magnet matched with the insulating sleeve, a lower uniform magnetic sheet, a lower ferrite, a central conductor, an upper ferrite, an upper uniform magnetic sheet, an upper permanent magnet and a temperature compensation sheet are sequentially arranged in the shell from bottom to top; the side wall of the shell is provided with three openings matched with the insulating sleeve, and the central conductor extends out of the shell through the openings and is welded with the metal terminal on the insulating sleeve together to form an effective signal path; the upper opening of the side wall of the shell is provided with a plurality of crescent-shaped convex hulls, correspondingly, the cover plate is provided with a plurality of crescent-shaped holes matched with the crescent-shaped convex hulls, and the crescent-shaped convex hulls and the crescent-shaped holes are assembled to enable the crescent-shaped convex hulls and the cover plate to be occluded and packaged into a whole through plane crimping. The good packaging effect is achieved, and the process of pre-assembling the metal terminal before assembly is reduced; the method has the advantages of easy assembly, high production efficiency, good electrical property, good thermal stability and the like.
Description
Technical Field
The utility model relates to a crimping formula packaging structure's microwave circulator.
Background
At present, the microwave circulator is widely applied in the microwave field. Although the reliability and consistency of design and function have been verified, with the rapid development of communication technology, the demand for miniaturization of devices is higher and higher, which also puts higher demands on the package structure of the devices. The traditional microwave circulator generally adopts a threaded packaging structure, and is assembled by respectively processing mutually matched threads on the inner side of a shell and the outer side of a cover plate and then rotating the threads. In the assembling process, due to the factors of the unmatched size of the shell and the cover plate and the like, the cover plate is easy to be pressed unevenly, and metal wires and other bad conditions are easy to cause. The conditions have a prominent influence in the process of miniaturization of the device, so that the overall function of the device is influenced, the yield of the device is reduced, and serious quality accidents such as short circuit and the like even occur at a client side.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art and providing a microwave circulator with a compression joint type packaging structure.
The purpose of the utility model is realized through the following technical scheme:
the microwave circulator with the compression joint type packaging structure is characterized in that: the temperature compensation device comprises a shell and a cover plate matched with the shell, wherein the shell is of a semi-closed cylindrical cavity structure, and an insulating sleeve integrating a metal terminal, a lower ferrite magnet matched with the insulating sleeve, a lower uniform magnetic sheet, a lower ferrite, a central conductor, an upper ferrite, an upper uniform magnetic sheet, an upper permanent magnet and a temperature compensation sheet are sequentially placed in the shell from bottom to top;
the side wall of the shell is provided with three openings matched with the insulating sleeve, and the central conductor extends out of the shell through the openings and is welded with the metal terminal on the insulating sleeve together to form an effective signal path;
the upper opening of the side wall of the shell is provided with a plurality of crescent-shaped convex hulls, correspondingly, the cover plate is provided with a plurality of crescent-shaped holes matched with the crescent-shaped convex hulls, and the crescent-shaped convex hulls and the crescent-shaped holes are assembled to enable the crescent-shaped convex hulls and the cover plate to be occluded and packaged into a whole through plane crimping.
Further, in the microwave circulator with the press-fit type packaging structure, the central conductor is made of copper alloy plated with silver.
Further, in the microwave circulator with the press-fit type package structure, the cover plate is made of stainless steel.
Further, in the microwave circulator with the press-fit type packaging structure, the lower ferrite and the upper ferrite are respectively arranged on two sides of the central conductor to form a strip line structure, and the ferrite generates a gyromagnetic effect during signal transmission to realize signal circulation.
Further, in the microwave circulator with the press-fit type packaging structure, the temperature compensation plate is made of stainless steel alloy.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the microwave circulator with the crimping type packaging structure of the utility model is provided with a plurality of crescent convex hulls at the upper opening part of the side wall of the shell, correspondingly, a plurality of crescent holes are arranged on the cover plate, the microwave circulator is crimped and packaged together after assembly, and the convex hulls have indentations pressed by a jig, thereby achieving good packaging effect;
the central conductor extends out of the shell through the opening and is welded with the metal terminal on the insulating sleeve together, so that an effective signal path is formed, and the process of pre-assembling the metal terminal before assembly is reduced;
the shell can be formed at one time by adopting a stamping or powder metallurgy production process, and the cover plate can be formed at one time by adopting a stamping mode, so that the material cost is greatly reduced, the assembly difficulty of a device is reduced, and the stability of the device is improved;
the circulator has the advantages of miniaturization, easy assembly, high production efficiency, low cost, good electrical characteristics, good thermal stability and the like, is suitable for large-batch automatic production, has obvious cost advantage, and can be widely applied to other signal transmission equipment such as a communication base station and the like.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: the invention is a schematic diagram of an exploded structure;
FIG. 2: the shell and the cover plate are in compression joint.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The microwave circulator with the compression joint type packaging structure adopts a plane compression joint technology to directly and once compress the shell and the cover plate together, and simultaneously adopts powder metallurgy and stamping processes, thereby not only greatly reducing the material cost, but also reducing the assembly difficulty of devices.
As shown in fig. 1, the microwave circulator with a press-connection type packaging structure comprises a shell 1 and a cover plate 11 matched with the shell, wherein the shell 1 is of a semi-closed cylindrical cavity structure, an insulating sleeve 2 integrated with a metal terminal, a lower ferrite magnet 3 matched with the insulating sleeve, a lower magnetic homogenizing plate 4, a lower ferrite 5, a central conductor 6, an upper ferrite 7, an upper magnetic homogenizing plate 8, an upper permanent magnet 9 and a temperature compensating plate 10 are sequentially arranged in the shell from bottom to top, and the flattened cover plate 11 is arranged at the topmost layer; the lower ferrite 5 and the upper ferrite 7 are respectively arranged on two sides of the central conductor 6 to form a strip line structure, and when signals are transmitted, the ferrite generates gyromagnetic effect to realize signal circulation; the lower uniform magnetic sheet 4 and the upper uniform magnetic sheet 8 are respectively arranged between the ferrite and the magnet to play a role of uniform magnetic field; the lower ferrite magnet 3 and the upper permanent magnet 9 jointly form a double-sided magnetic loop structure to provide a stable constant magnetic field; the temperature compensation sheet 10 is made of stainless steel alloy and is used for compensating the temperature characteristic of a device; the cover plate 11 is made of stainless steel.
The side wall of the shell 1 is provided with three openings for matching the insulating sleeve 2, the central conductor 6 is made of copper alloy plated with silver, the central conductor 6 extends out of the shell through the openings and is welded with the metal terminal on the insulating sleeve 2 together, an effective signal path is formed, and the signal circulation function of a specific frequency band is realized; the process of pre-assembling the metal terminal before assembly is reduced.
The side wall of the shell 1 is provided with a plurality of crescent-shaped convex hulls through openings, correspondingly, the cover plate 11 is provided with a plurality of crescent-shaped holes matched with the crescent-shaped convex hulls, and the crescent-shaped convex hulls and the crescent-shaped holes are assembled to enable the crescent-shaped convex hulls to deform through plane compression joint and to be occluded with the cover plate to be packaged into a whole; the whole microwave circulator is in a relatively closed magnetic circuit state to form a complete loop.
The shell can be formed in one step by adopting a stamping or powder metallurgy production process, the cover plate can also be formed in one step by adopting a stamping mode, the cost is low, and the later-stage device assembly process is simple. Simultaneously, through reasonable layout on the outer wall of the shell, three round holes capable of being adjusted for use are arranged, and the yield rate during batch production is greatly improved.
During the equipment, after a plurality of crescent moon convex hulls that 1 lateral wall top opening part of casing set up and the crescent moon hole cover on the apron 11 together, use the crimping tool to exert even decurrent pressure in apron 11 top and push down apron 11, and simultaneously and extrude a plurality of crescent moon convex hulls that 1 lateral wall top opening part of casing set up, the crescent moon is protruding to produce deformation, packs together with apron 11 interlock. As shown in fig. 2, the upper side of the side wall of the casing of the packaged microwave circulator is convexly covered with an indentation pressed by a jig. The crescent convex hull on the side wall of the shell 1 is matched with the crescent hole on the cover plate 11, so that the press-connection type encapsulation of the circulator is effectively ensured.
To sum up, the utility model discloses crimping formula packaging structure's microwave circulator sets up a plurality of crescent convex hulls at casing lateral wall top opening part, correspondingly sets up many crescent holes on the apron, and the crimping interlock encapsulation is in the same place after the assembly, and the convex hull has the indentation that the tool extruded, reaches fine encapsulation effect.
The central conductor extends out of the shell through the opening and is welded with the metal terminal on the insulating sleeve together, an effective signal path is formed, and the process of pre-assembling the metal terminal before assembly is reduced.
The shell can be formed in one step by adopting a stamping or powder metallurgy production process, and the cover plate can be formed in one step by adopting a stamping mode, so that the material cost is greatly reduced, the assembly difficulty of the device is reduced, and the stability of the device is improved. The circulator has the advantages of miniaturization, easy assembly, high production efficiency, low cost, good electrical characteristics, good thermal stability and the like, is suitable for large-batch automatic production, has obvious cost advantage, and can be widely applied to other signal transmission equipment such as a communication base station and the like.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (5)
1. Microwave circulator of crimping formula packaging structure, its characterized in that: the temperature compensation device comprises a shell and a cover plate matched with the shell, wherein the shell is of a semi-closed cylindrical cavity structure, and an insulating sleeve integrating a metal terminal, a lower ferrite magnet matched with the insulating sleeve, a lower uniform magnetic sheet, a lower ferrite, a central conductor, an upper ferrite, an upper uniform magnetic sheet, an upper permanent magnet and a temperature compensation sheet are sequentially placed in the shell from bottom to top;
the side wall of the shell is provided with three openings matched with the insulating sleeve, and the central conductor extends out of the shell through the openings and is welded with the metal terminal on the insulating sleeve together to form an effective signal path;
the upper opening of the side wall of the shell is provided with a plurality of crescent-shaped convex hulls, correspondingly, the cover plate is provided with a plurality of crescent-shaped holes matched with the crescent-shaped convex hulls, and the crescent-shaped convex hulls and the crescent-shaped holes are assembled to enable the crescent-shaped convex hulls and the cover plate to be occluded and packaged into a whole through plane crimping.
2. The microwave circulator of claim 1, wherein: the central conductor is made of copper alloy plated with silver.
3. The microwave circulator of claim 1, wherein: the cover plate is made of stainless steel.
4. The microwave circulator of claim 1, wherein: the lower ferrite and the upper ferrite are respectively arranged on two sides of the central conductor to form a strip line structure, and the ferrite generates a gyromagnetic effect to realize signal circulation when transmitting signals.
5. The microwave circulator of claim 1, wherein: the temperature compensation sheet is made of stainless steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714765.6U CN210296589U (en) | 2019-10-14 | 2019-10-14 | Microwave circulator with compression joint type packaging structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921714765.6U CN210296589U (en) | 2019-10-14 | 2019-10-14 | Microwave circulator with compression joint type packaging structure |
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| CN210296589U true CN210296589U (en) | 2020-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370827A (en) * | 2020-04-14 | 2020-07-03 | 苏州威洁通讯科技有限公司 | Thin-wall packaging structure of isolator and circulator |
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2019
- 2019-10-14 CN CN201921714765.6U patent/CN210296589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111370827A (en) * | 2020-04-14 | 2020-07-03 | 苏州威洁通讯科技有限公司 | Thin-wall packaging structure of isolator and circulator |
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