CN106505284A - A kind of surface-mount type microwave ferrite circulator - Google Patents
A kind of surface-mount type microwave ferrite circulator Download PDFInfo
- Publication number
- CN106505284A CN106505284A CN201610931463.9A CN201610931463A CN106505284A CN 106505284 A CN106505284 A CN 106505284A CN 201610931463 A CN201610931463 A CN 201610931463A CN 106505284 A CN106505284 A CN 106505284A
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- China
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- cavity
- circulator
- circulator according
- permanent magnet
- ferrite
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- 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
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- Non-Reversible Transmitting Devices (AREA)
Abstract
The invention discloses a kind of surface-mount type microwave ferrite circulator, has half open cylindrical cavity of three grooves and the stack portion being arranged in the cavity, the bottom of the cavity to be provided with least one keeper including side wall.By arranging keeper so that circulator positions convenient, welding precision in follow-up welding sequence and increases substantially.Designed using low field, reduce electromagnetic interference, be conducive to improving broadband performance；Using PIN needle fixed center conductor so that circulator is easy to integrated installation；Temperature-compensating plate is made using iron-nickel alloy so that circulator working stability, reliability under limiting temperature；Cavity is silver-plated, makes welding relatively reliable, and turn-on effect is more preferable.
Description
Technical field
The present invention relates to circulator, more particularly to a kind of surface-mount type microwave ferrite circulator.
Background technology
Existing surface-mount type microwave ferrite circulator (SMD circulators) is welded to pcb board using the method for brush stannum mostly
On.But when crossing stove and welding, SMD circulators are susceptible to position excursion, at present majority manufacturers are using tool fixture positioning, with red
The form of outside line scanning ensures the reliability of SMD circulators welding.
Although above-mentioned way is to a certain extent, the reliability of SMD circulators welding is ensured, this way is not only
Improve can production cost can also impact production efficiency.
Content of the invention
The technical problem to be solved is：A kind of Surface Mount type micro-wave ferrum that positioning is convenient, welding precision is high is provided
Oxysome circulator.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of surface-mount type microwave ferrite goes in ring
Device, has half open cylindrical cavity of three grooves and the stack portion being arranged in the cavity including side wall, the cavity
Bottom is provided with least one keeper.
The beneficial effects of the present invention is：Cavity bottom arranges keeper so that circulator is positioned in follow-up welding sequence
Convenient, welding precision is increased substantially.
Description of the drawings
Fig. 1 is one circulator axonometric chart of the embodiment of the present invention；
Fig. 2 is another view stereo figure of one circulator of the embodiment of the present invention；
Fig. 3 is one circulator explosive view of the embodiment of the present invention；
Label declaration：
1st, cavity；2nd, stack portion；21st, magnetic circuit end plate；22nd, temperature-compensating plate；23rd, the first permanent magnet；24th, the first even magnetic
Piece；25th, the first gyromagnetic ferrite；251st, first medium ring；26th, center conductor；27th, the second gyromagnetic ferrite；271st, second is situated between
Matter ring；28th, the second even magnetic sheet；29th, the second permanent magnet；3rd, keeper；5th, platform；6th, insulator；7th, PIN needle.
Specific embodiment
By describing the technology contents of the present invention in detail, realizing purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Keeper is set so that circulator positions convenient, weldering in follow-up welding sequence
Connect precision to increase substantially.
Fig. 1 to Fig. 3 is refer to, a kind of surface-mount type microwave ferrite circulator is opened wide including side wall there are three grooves half
Circular cylindrical cavity and the stack portion being arranged in the cavity, the bottom of the cavity are provided with least one keeper.
Knowable to foregoing description, the beneficial effects of the present invention is：Cavity bottom arranges keeper so that circulator is rear
Continuous welding sequence positioning is convenient, welding precision is increased substantially.
Further, the bottom of the cavity is provided with three keepers, and three keepers are in the cavity
Heart axle is uniform.
Seen from the above description, bottom can arrange multiple through holes and keeper, so as to the convenient positioning to circulator more
Plus it is accurate.
Further, the stack portion be from top to bottom followed successively by magnetic circuit end plate, temperature-compensating plate, the first permanent magnet, first
Even magnetic sheet, the first gyromagnetic ferrite, center conductor, the second gyromagnetic ferrite, the second even magnetic sheet, the second permanent magnet；Described first
Gyromagnetic ferrite is in first medium ring；Second gyromagnetic ferrite is in second medium ring.
Seen from the above description, designed using low field, reduce electromagnetic interference, be conducive to improving broadband performance.
Further, a platform is respectively provided with three grooves, the platform is provided with perforate, is provided with the perforate
Insulator, the insulator are provided with PIN needle, and the PIN needle carries out spacing to the center conductor.
Seen from the above description, using PIN needle fixed center conductor so that circulator is easy to integrated installation.
Further, each parts of the stack portion are glued successively；Or the magnetic circuit end plate arranges external screw thread, described
Cavity is provided with the female thread being adapted to the external screw thread.
Further, the first medium ring and second medium ring are made using politef.
Further, the temperature-compensating plate is made with iron-nickel alloy.
Seen from the above description, temperature-compensating plate is made using iron-nickel alloy so that circulator works under limiting temperature
Stable, reliable.
Further, first gyromagnetic ferrite and the second gyromagnetic ferrite are made using pure garnet.
Further, first permanent magnet and second permanent magnet are rare-earth permanent magnets.
Further, the housing surface is silver-plated.
Seen from the above description, cavity is silver-plated, makes welding relatively reliable, and turn-on effect is more preferable.
Embodiment one
Fig. 1 to Fig. 3 is refer to, embodiments of the invention one are：As shown in Figure 1 and Figure 2, a kind of surface-mount type microwave ferrite
Circulator, has half open cylindrical cavity 1 of three grooves and the stack portion 2 being arranged in the cavity including side wall, described
The bottom of cavity 1 is provided with least one keeper 3, and 1 bottom of the cavity is provided with least one through hole, is provided with institute in the through hole
Keeper 3 is stated, the keeper 3 protrudes from the bottom surface of the cavity 1, in the present embodiment, the bottom of the cavity 1 is provided with three
The individual keeper 3, three keepers 3 are uniform around 1 central shaft of the cavity.Optionally, keeper 3 also directly can be fixed
Cavity bottom is arranged on, positioning action can be played.During welding, circulator is fixed on pcb board using keeper 3, is kept away
Exempt from its drift about cause to weld unreliable.
As shown in figure 3, the stack portion 2 is from top to bottom followed successively by magnetic circuit end plate 21, temperature-compensating plate 22, the first permanent magnet
23rd, the first even magnetic sheet 24, the first gyromagnetic ferrite 25, center conductor 26, the second gyromagnetic ferrite 27, the second even magnetic sheet 28,
Two permanent magnets 29, the stack portion 2 also include first medium ring 251 and second medium ring 271, first gyromagnetic ferrite 25
In first medium ring 251, and both are closely coupled；Second gyromagnetic ferrite 27 is located in second medium ring 271, and
Both are closely coupled；The first medium ring 251 and second medium ring 271 are made using politef；The temperature is mended
Repay piece 22 to be made with iron-nickel alloy；First gyromagnetic ferrite 25 and the second gyromagnetic ferrite 27 are made of stones using pure Punica granatum L.
Into；First permanent magnet 23 and second permanent magnet 29 are rare-earth permanent magnets.The center conductor 26 is provided with three points
Limiting section cavity 1 side wall three grooves in is not reached.
Incorporated by reference to Fig. 1 and Fig. 2, on three grooves on 1 side wall of the cavity, a platform 5, the platform 5 is respectively provided with
Perforate is provided with, insulator 6 in the perforate, is provided with, the insulator 6 is provided with PIN needle 7, the PIN needle 7 and the center
Conductor 26 electrically connect and the center conductor 26 is carried out spacing, in the present embodiment, the specification of PIN needle 7 be high 2.9mm ±
0.2mm, diameter 0.6mm ± 0.2mm.
Further, each parts (magnetic circuit end plate 21, temperature-compensating plate 22, first permanent magnet of the stack portion 2
23rd, the first even magnetic sheet 24, the first gyromagnetic ferrite 25, center conductor 26, the second gyromagnetic ferrite 27, the second even magnetic sheet 28,
Two permanent magnets are 29) glued successively, and the second permanent magnet 29 is glued with 1 bottom of cavity；Or the magnetic circuit end plate 21 arranges external screw thread, institute
State cavity 1 and be provided with the female thread being adapted to the external screw thread, be threaded connection and stack portion 2 is fixed with cavity 1.
Further, 1 electroplate of the cavity, so that subsequently welding relatively reliable, turn-on effect is more preferable.
In sum, the microwave ferrite circulator that the present invention is provided, arranges keeper so that circulator is subsequently being welded
Operation positioning is convenient, welding precision is increased substantially；Designed using low field, reduce electromagnetic interference, be conducive to improving broadband property
Energy；Using PIN needle fixed center conductor so that circulator is easy to integrated installation；Temperature-compensating plate is made using iron-nickel alloy, is made
Obtain circulator working stability, reliability under limiting temperature；Cavity is silver-plated, makes welding relatively reliable, and turn-on effect is more preferable.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
The equivalents made by bright description and accompanying drawing content, or the technical field of correlation is directly or indirectly used in, include in the same manner
In the scope of patent protection of the present invention.
Claims (10)
1. a kind of surface-mount type microwave ferrite circulator, has half open cylindrical cavity of three grooves including side wall and is arranged on
Stack portion in the cavity, it is characterised in that：The bottom of the cavity is provided with least one keeper.
2. circulator according to claim 1, it is characterised in that：The stack portion be from top to bottom followed successively by magnetic circuit end plate,
Temperature-compensating plate, the first permanent magnet, the first even magnetic sheet, the first gyromagnetic ferrite, center conductor, the second gyromagnetic ferrite, second
Even magnetic sheet, the second permanent magnet；
First gyromagnetic ferrite is in first medium ring；
Second gyromagnetic ferrite is in second medium ring.
3. circulator according to claim 2, it is characterised in that：A platform is respectively provided with three grooves, described flat
Platform is provided with perforate, is provided with insulator in the perforate, and the insulator is provided with PIN needle, and the PIN needle is led to the center
Body carries out spacing.
4. circulator according to claim 3, it is characterised in that：Each parts of the stack portion are glued successively, or
The magnetic circuit end plate arranges external screw thread, and the cavity is provided with the female thread being adapted to the external screw thread.
5. circulator according to claim 4, it is characterised in that：The bottom of the cavity is provided with three keepers,
Three keepers are uniform around the chamber central axle.
6. the circulator according to any one of claim 2-5, it is characterised in that：The first medium ring and second medium ring
Made using politef.
7. circulator according to claim 6, it is characterised in that：The temperature-compensating plate is made with iron-nickel alloy.
8. the circulator according to claim 2-5 and 7 any one, it is characterised in that：First gyromagnetic ferrite and
Two gyromagnetic ferrites are made using pure garnet.
9. circulator according to claim 8, it is characterised in that：First permanent magnet and second permanent magnet are
Rare-earth permanent magnet.
10. the circulator according to any one of claim 1-5,7 and 9, it is characterised in that：The housing surface is silver-plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931463.9A CN106505284A (en) | 2016-10-31 | 2016-10-31 | A kind of surface-mount type microwave ferrite circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931463.9A CN106505284A (en) | 2016-10-31 | 2016-10-31 | A kind of surface-mount type microwave ferrite circulator |
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| Publication Number | Publication Date |
|---|---|
| CN106505284A true CN106505284A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610931463.9A Pending CN106505284A (en) | 2016-10-31 | 2016-10-31 | A kind of surface-mount type microwave ferrite circulator |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095793A1 (en) * | 2017-11-15 | 2019-05-23 | 深圳市华扬通信技术有限公司 | Enclosed surface mount circulator |
| WO2020042092A1 (en) * | 2018-08-30 | 2020-03-05 | 深圳市华扬通信技术有限公司 | Ultra-small circulator |
| WO2020048111A1 (en) * | 2018-09-03 | 2020-03-12 | 深圳市华扬通信技术有限公司 | Subminiature network circulator |
| CN111403878A (en) * | 2020-03-27 | 2020-07-10 | 深圳市信维通信股份有限公司 | Surface mount circulator |
| WO2020147188A1 (en) * | 2019-01-14 | 2020-07-23 | 深圳市华扬通信技术有限公司 | Microwave circulator/isolator |
| CN112736388A (en) * | 2020-12-29 | 2021-04-30 | 深圳市华扬通信技术有限公司 | Lumped parameter nonreciprocal ferrite device |
| CN112787060A (en) * | 2020-12-29 | 2021-05-11 | 深圳市华扬通信技术有限公司 | Subminiaturized microwave gyromagnetic circulator |
| WO2021184555A1 (en) * | 2020-03-20 | 2021-09-23 | 浙江省东阳市东磁诚基电子有限公司 | Circulator and implementation method therefor |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107748A (en) * | 2004-12-20 | 2008-01-16 | 查尔顿电信微波公司 | Hyperfrequency circulator with bond pads |
| CN205543174U (en) * | 2016-02-03 | 2016-08-31 | 深圳市华扬通信技术有限公司 | Microwave ferrite circulator |
-
2016
- 2016-10-31 CN CN201610931463.9A patent/CN106505284A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101107748A (en) * | 2004-12-20 | 2008-01-16 | 查尔顿电信微波公司 | Hyperfrequency circulator with bond pads |
| CN205543174U (en) * | 2016-02-03 | 2016-08-31 | 深圳市华扬通信技术有限公司 | Microwave ferrite circulator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095793A1 (en) * | 2017-11-15 | 2019-05-23 | 深圳市华扬通信技术有限公司 | Enclosed surface mount circulator |
| WO2020042092A1 (en) * | 2018-08-30 | 2020-03-05 | 深圳市华扬通信技术有限公司 | Ultra-small circulator |
| WO2020048111A1 (en) * | 2018-09-03 | 2020-03-12 | 深圳市华扬通信技术有限公司 | Subminiature network circulator |
| WO2020147188A1 (en) * | 2019-01-14 | 2020-07-23 | 深圳市华扬通信技术有限公司 | Microwave circulator/isolator |
| WO2021184555A1 (en) * | 2020-03-20 | 2021-09-23 | 浙江省东阳市东磁诚基电子有限公司 | Circulator and implementation method therefor |
| CN111403878A (en) * | 2020-03-27 | 2020-07-10 | 深圳市信维通信股份有限公司 | Surface mount circulator |
| CN112736388A (en) * | 2020-12-29 | 2021-04-30 | 深圳市华扬通信技术有限公司 | Lumped parameter nonreciprocal ferrite device |
| CN112787060A (en) * | 2020-12-29 | 2021-05-11 | 深圳市华扬通信技术有限公司 | Subminiaturized microwave gyromagnetic circulator |
| CN112787060B (en) * | 2020-12-29 | 2022-01-11 | 深圳市华扬通信技术有限公司 | Subminiaturized microwave gyromagnetic circulator |
| 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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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |