CN111403877A - Center conductor assembly, circulator and isolator - Google Patents
Center conductor assembly, circulator and isolator Download PDFInfo
- Publication number
- CN111403877A CN111403877A CN202010291106.7A CN202010291106A CN111403877A CN 111403877 A CN111403877 A CN 111403877A CN 202010291106 A CN202010291106 A CN 202010291106A CN 111403877 A CN111403877 A CN 111403877A
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- CN
- China
- Prior art keywords
- magnetic ferrite
- rotary magnetic
- ferrite
- circulator
- isolator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000004020 conductor Substances 0.000 title claims abstract description 71
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 98
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000004806 packaging method and process Methods 0.000 claims description 17
- 238000005538 encapsulation Methods 0.000 claims description 14
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
Landscapes
- Non-Reversible Transmitting Devices (AREA)
Abstract
The invention relates to a center conductor assembly, a circulator and an isolator, wherein the center conductor assembly comprises: the magnetic ferrite comprises an upper rotary magnetic ferrite, a central junction conductor and a lower rotary magnetic ferrite which are sequentially arranged and are welded and fixed through a high-frequency welding process, wherein the central junction conductor is positioned at the central positions of the upper rotary magnetic ferrite and the lower rotary magnetic ferrite, and the upper rotary magnetic ferrite and the lower rotary magnetic ferrite are aligned; the central junction conductor comprises a plurality of first resonators and a plurality of second resonators which are arranged at intervals, the first resonators are connected with connecting pins which extend out of the lower gyromagnetic ferrite, and connecting holes are formed in the connecting pins. Because the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite are welded and fixed by a high-frequency welding process, the central junction conductor, the upper rotary magnetic ferrite and the lower rotary magnetic ferrite cannot move relatively when being assembled, so that the consistency of the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite is improved, and the product performance of the circulator and the isolator is ensured.
Description
Technical Field
The invention relates to the technical field of communication accessories, in particular to a center conductor assembly, a circulator and an isolator.
Background
At present, in the field of circulators and isolators of microwave and radio frequency communication devices, in the mass production process, the circulators and the isolators need to be assembled manually, the assembly consistency is poor, the production efficiency is low, the cost is higher, and along with the development trend of miniaturization and high performance of 5G products, the past indexes can not meet the current requirements far away. The gyromagnetic ferrite and the central junction conductor are important parts in a circulator and an isolator, the gyromagnetic ferrite is connected with the central junction conductor in an adhesive mode, operators easily make the central junction conductor offset in the adhesive process, consistency of the gyromagnetic ferrite and the central junction conductor is poor, and performance of a product is affected.
Disclosure of Invention
In order to solve the technical problems, the invention provides a central conductor assembly, a circulator and an isolator, which have the advantage of improving the consistency of gyromagnetic ferrite and a central junction conductor.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a center conductor assembly, comprising: the magnetic ferrite core comprises an upper rotary magnetic ferrite, a central junction conductor and a lower rotary magnetic ferrite which are sequentially arranged from top to bottom and are welded and fixed through a high-frequency welding process, wherein the central junction conductor is positioned at the central positions of the upper rotary magnetic ferrite and the lower rotary magnetic ferrite, and the upper rotary magnetic ferrite and the lower rotary magnetic ferrite are aligned; the central junction conductor comprises a plurality of first resonators and a plurality of second resonators which are arranged at intervals, the first resonators are connected with connecting pins extending out of the lower gyromagnetic ferrite, and connecting holes are formed in the connecting pins.
According to the technical scheme, the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite are welded and fixed through a high-frequency welding process, so that the central junction conductor, the upper rotary magnetic ferrite and the lower rotary magnetic ferrite cannot move relatively during assembly, the consistency of the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite is improved, and the product performances of the circulator and the isolator are guaranteed; when in fusion, the central junction conductor is firstly arranged at the central position of the lower gyromagnetic ferrite, the first resonant body and the second resonant body are fixed on the lower gyromagnetic ferrite in a fusion mode through a high-frequency fusion process, the central junction conductor is integrally and uniformly embedded in the lower gyromagnetic ferrite at the moment, the defects of gaps, cracks, scraps and the like cannot exist, then the upper gyromagnetic ferrite is buckled on the central junction conductor and is aligned with the lower gyromagnetic ferrite, and the central junction conductor and the upper gyromagnetic ferrite are fixed in a welding mode through the high-frequency welding process, so that the fusion fixation of the upper gyromagnetic ferrite, the central junction conductor and the lower gyromagnetic ferrite is realized.
As a preferable aspect of the present invention, the first resonator is further provided with resonance extending pieces on both sides thereof.
By the technical scheme, the performance of the first resonator body is improved through the resonance extension sheet.
In a preferred embodiment of the present invention, the upper and lower gyromagnetic ferrites have a diameter of 4 to 30mm and a thickness of 0.4 to 1.5 mm.
In a preferred embodiment of the present invention, the thickness of the central junction conductor is 0.1 to 0.3 mm.
As a preferable aspect of the present invention, silver plating layers are provided on the upper and lower gyromagnetic ferrites.
In another aspect, the present invention also provides a circulator and isolator comprising:
the packaging shell is provided with at least two locking grooves which are arranged at intervals, and an internal thread is arranged at the port of the packaging shell;
a positioning connector is arranged at the bottom of the packaging shell, a connecting lug corresponding to the locking groove is arranged on the positioning connector, the connecting lug is embedded into the locking groove and extends out of the packaging shell, and a grounding pin is inserted in the connecting lug;
the center conductor assembly of any one of claims 1-5, said ground pin inserted into said connection hole; and the number of the first and second groups,
the setting is in the encapsulation lid of encapsulation shell inner chamber, be equipped with on the periphery wall of encapsulation lid with internal thread matched with external screw thread, just the operation hole has been seted up on the encapsulation lid.
The technical proposal is realized by adopting the method,
in a preferable mode of the invention, the wall thickness of the packaging shell is 0.5-1.2 mm.
As a preferred aspect of the present invention, the package case is made of carbon steel.
In a preferred embodiment of the present invention, the thickness of the sealing cap is 0.8-1.5 mm.
As a preferable aspect of the present invention, the encapsulation cover is made of magnetic stainless steel.
In conclusion, the invention has the following beneficial effects:
the embodiment of the invention provides a center conductor assembly, a circulator and an isolator, wherein the center conductor assembly comprises: the magnetic ferrite core comprises an upper rotary magnetic ferrite, a central junction conductor and a lower rotary magnetic ferrite which are sequentially arranged from top to bottom and are welded and fixed through a high-frequency welding process, wherein the central junction conductor is positioned at the central positions of the upper rotary magnetic ferrite and the lower rotary magnetic ferrite, and the upper rotary magnetic ferrite and the lower rotary magnetic ferrite are aligned; the central junction conductor comprises a plurality of first resonators and a plurality of second resonators which are arranged at intervals, the first resonators are connected with connecting pins extending out of the lower gyromagnetic ferrite, and connecting holes are formed in the connecting pins. Because the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite are welded and fixed by a high-frequency welding process, the central junction conductor, the upper rotary magnetic ferrite and the lower rotary magnetic ferrite cannot move relatively when being assembled, so that the consistency of the upper rotary magnetic ferrite, the central junction conductor and the lower rotary magnetic ferrite is improved, and the product performance of the circulator and the isolator is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an exploded view of the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a center conductor assembly; 11. upward spin magnetic ferrite; 12. a central junction conductor; 121. a first resonator body; 122. a second resonator body; 123. connecting pins; 124. connecting holes; 125. a resonance expansion sheet; 13. lower gyromagnetic ferrite; 2. packaging the shell; 21. a locking groove; 22. an internal thread; 3. positioning a connecting body; 31. a connection bump; 32. a ground pin; 4. a package cover; 41. an external thread; 42. and (6) operating the hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A center conductor assembly 1, as shown in fig. 1 and 2, comprising: the magnetic ferrite core comprises an upper rotary magnetic ferrite 11, a central junction conductor 12 and a lower rotary magnetic ferrite 13 which are sequentially arranged from top to bottom and are welded and fixed through a high-frequency welding process, wherein the central junction conductor 12 is positioned at the central positions of the upper rotary magnetic ferrite 11 and the lower rotary magnetic ferrite 13, and the upper rotary magnetic ferrite 11 and the lower rotary magnetic ferrite 13 are aligned; the central junction conductor 12 includes a plurality of first resonators 121 and second resonators 122 arranged at intervals, the first resonators 121 are connected with connection pins 123 extending out of the lower gyromagnetic ferrite 13, and the connection pins 123 are provided with connection holes 124.
Specifically, in this embodiment, the first resonator 121 and the second resonator 122 are provided with three groups, the three groups of first resonator 121 and second resonator 122 are uniformly arranged, the two sides of the first resonator 121 are further provided with the resonance extending pieces 125, and the performance of the first resonator 121 is improved by the resonance extending pieces 125. The upper and lower gyromagnetic ferrites 11 and 13 adopt stored ferrites or ceramic ring ferrites, play a role of gyromagnetic in a microwave radio frequency circuit to generate magnetic excitation, the diameters of the upper and lower gyromagnetic ferrites 11 and 13 are 4-30mm, the thicknesses of the upper and lower gyromagnetic ferrites are 0.4-1.5mm, and silver coatings are arranged on the upper and lower gyromagnetic ferrites 11 and 13.
The central junction conductor 12 mainly plays a role in transmitting signals and transmitting radio frequency power, the central junction conductor 12 is made of beryllium copper material or other copper materials, a silver coating is also arranged on the central junction conductor 12, and the thickness of the central junction conductor 12 is 0.1-0.3 mm.
Because the upper magnetic ferrite 11, the central junction conductor 12 and the lower magnetic ferrite 13 are welded and fixed by a high-frequency welding process, the central junction conductor 12, the upper magnetic ferrite 11 and the lower magnetic ferrite 13 cannot move relatively during assembly, so that the consistency of the upper magnetic ferrite 11, the central junction conductor 12 and the lower magnetic ferrite 13 is improved, and the product performances of a circulator and an isolator are ensured; when the welding is performed, the central junction conductor 12 is firstly placed at the central position of the lower gyromagnetic ferrite 13, then the first resonator 121 and the second resonator 122 are welded and fixed on the lower gyromagnetic ferrite 13 through a high-frequency welding process, at this time, the central junction conductor 12 is integrally and uniformly embedded on the lower gyromagnetic ferrite 13 without the defects of gaps, cracks, scraps and the like, then the upper gyromagnetic ferrite 11 is pressed and buckled on the central junction conductor 12 and keeps consistent alignment with the lower gyromagnetic ferrite 13, and then the central junction conductor 12 is welded and fixed with the upper gyromagnetic ferrite 11 through the high-frequency welding process, so that the welding and fixing of the upper gyromagnetic ferrite 11, the central junction conductor 12 and the lower gyromagnetic ferrite 13 are realized.
Example two
A circulator and isolator, as shown in fig. 3, comprising: the packaging shell 2 is provided with at least two locking grooves 21 arranged at intervals, and an internal thread 22 is arranged at the port of the packaging shell 2; the bottom of the packaging shell 2 is provided with a positioning connector 3, the positioning connector 3 is provided with a connecting bump 31 corresponding to the locking groove 21, the connecting bump 31 is embedded into the locking groove 21 and extends out of the packaging shell 2, and a grounding pin 32 is inserted on the connecting bump 31; in the center conductor assembly 1 according to the first embodiment, the ground pin 32 is inserted into the connection hole 124; and the encapsulation cover 4 is arranged in the inner cavity of the encapsulation shell 2, the outer peripheral wall of the encapsulation cover 4 is provided with an external thread 41 matched with the internal thread 22, and the encapsulation cover 4 is provided with an operation hole 42.
Specifically, the three shell flaps are uniformly distributed to form a three-flap shape, three locking grooves 21 are formed among the three corresponding shell flaps, the wall thickness of the packaging shell 2 is 0.5-1.2mm, the thickness of the packaging shell 2 is 0.8mm in the embodiment, and the packaging shell 2 is made of carbon steel.
The thickness of the package cover 4 is 0.8-1.5mm, the thickness of the package cover 4 in this embodiment is 1.2mm, and the package cover 4 may be made of magnetic stainless steel, in this embodiment, two operation holes 42 are provided to facilitate screwing with a tool, in some embodiments, the operation holes 42 may be set to be square, semicircular, and the like, so as to facilitate screwing the package cover 4.
The upper gyromagnetic ferrite 11, the central junction conductor 12 and the lower gyromagnetic ferrite 13 are welded and fixed by a high-frequency welding process, so that the consistency is high, and the product performance is improved; during assembly, the center conductor assembly 1 is installed in the enclosure 2, so that the grounding pin 32 is inserted into the connection hole 124, and the enclosure cover 4 is screwed into the enclosure 2 until the center conductor assembly 1 is pressed and fixed.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A center conductor assembly, comprising: the magnetic ferrite core comprises an upper rotary magnetic ferrite, a central junction conductor and a lower rotary magnetic ferrite which are sequentially arranged from top to bottom and are welded and fixed through a high-frequency welding process, wherein the central junction conductor is positioned at the central positions of the upper rotary magnetic ferrite and the lower rotary magnetic ferrite, and the upper rotary magnetic ferrite and the lower rotary magnetic ferrite are aligned; the central junction conductor comprises a plurality of first resonators and a plurality of second resonators which are arranged at intervals, the first resonators are connected with connecting pins extending out of the lower gyromagnetic ferrite, and connecting holes are formed in the connecting pins.
2. The center conductor assembly of claim 1, wherein said first resonator body is further provided with a resonance extension piece on both sides.
3. The center conductor assembly of claim 1 or 2, wherein the upper and lower magnetic ferrites have a diameter of 4-30mm and a thickness of 0.4-1.5 mm.
4. The center conductor assembly of claim 3, wherein the center junction conductor has a thickness of 0.1-0.3 mm.
5. The center conductor assembly of claim 3, wherein the upper and lower ferrites are provided with silver plated layers.
6. A circulator and isolator, comprising:
the packaging shell is provided with at least two locking grooves which are arranged at intervals, and an internal thread is arranged at the port of the packaging shell;
a positioning connector is arranged at the bottom of the packaging shell, a connecting lug corresponding to the locking groove is arranged on the positioning connector, the connecting lug is embedded into the locking groove and extends out of the packaging shell, and a grounding pin is inserted in the connecting lug;
the center conductor assembly of any one of claims 1-5, said ground pin inserted into said connection hole; and the number of the first and second groups,
the setting is in the encapsulation lid of encapsulation shell inner chamber, be equipped with on the periphery wall of encapsulation lid with internal thread matched with external screw thread, just the operation hole has been seted up on the encapsulation lid.
7. The circulator and isolator of claim 6 wherein said enclosure has a wall thickness of 0.5-1.2 mm.
8. The circulator and isolator of claim 6 wherein the enclosure is made of carbon steel.
9. The circulator and isolator of claim 6 wherein the encapsulation cover has a thickness of 0.8-1.5 mm.
10. The circulator and isolator of claim 6 wherein the encapsulating cover is made of magnetic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291106.7A CN111403877A (en) | 2020-04-14 | 2020-04-14 | Center conductor assembly, circulator and isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291106.7A CN111403877A (en) | 2020-04-14 | 2020-04-14 | Center conductor assembly, circulator and isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111403877A true CN111403877A (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010291106.7A Pending CN111403877A (en) | 2020-04-14 | 2020-04-14 | Center conductor assembly, circulator and isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111403877A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966867A (en) * | 2022-12-23 | 2023-04-14 | 南京林业大学 | Microwave isolator suitable for medical field |
| CN117954815A (en) * | 2024-03-26 | 2024-04-30 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | High-consistency miniaturized strip line circulator and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940051A (en) * | 1973-03-01 | 1976-02-24 | Varian Associates | Bonding of ferrite to metal for high-power microwave applications |
| CN203660027U (en) * | 2013-11-04 | 2014-06-18 | 武汉华扬通信技术有限公司 | Surface-mounted circulator |
| CN205231219U (en) * | 2015-12-21 | 2016-05-11 | 成都迈可维微波电子有限公司 | Miniaturized isolator of C wave band |
| CN206602166U (en) * | 2017-02-21 | 2017-10-31 | 南京广顺电子技术研究所 | It is a kind of to be used for the magnet structure of RF isolator and circulator |
| CN212303860U (en) * | 2020-04-14 | 2021-01-05 | 苏州威洁通讯科技有限公司 | Center conductor assembly, circulator and isolator |
-
2020
- 2020-04-14 CN CN202010291106.7A patent/CN111403877A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3940051A (en) * | 1973-03-01 | 1976-02-24 | Varian Associates | Bonding of ferrite to metal for high-power microwave applications |
| CN203660027U (en) * | 2013-11-04 | 2014-06-18 | 武汉华扬通信技术有限公司 | Surface-mounted circulator |
| CN205231219U (en) * | 2015-12-21 | 2016-05-11 | 成都迈可维微波电子有限公司 | Miniaturized isolator of C wave band |
| CN206602166U (en) * | 2017-02-21 | 2017-10-31 | 南京广顺电子技术研究所 | It is a kind of to be used for the magnet structure of RF isolator and circulator |
| CN212303860U (en) * | 2020-04-14 | 2021-01-05 | 苏州威洁通讯科技有限公司 | Center conductor assembly, circulator and isolator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966867A (en) * | 2022-12-23 | 2023-04-14 | 南京林业大学 | Microwave isolator suitable for medical field |
| CN115966867B (en) * | 2022-12-23 | 2024-03-12 | 南京林业大学 | Microwave isolator suitable for medical field |
| CN117954815A (en) * | 2024-03-26 | 2024-04-30 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | High-consistency miniaturized strip line circulator and manufacturing method thereof |
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Effective date of registration: 20211027 Address after: 215000 8 Fujin Road, Guangfu Town, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou Anjie Technology Co.,Ltd. Address before: 215000 No. 3019, Hai Zang Xi Road, Luzhi Town, Wuzhong District, Suzhou, Jiangsu. Applicant before: Suzhou Weijie Communication Technology Co.,Ltd. |