CN206163670U - Metric wave circulator - Google Patents
Metric wave circulator Download PDFInfo
- Publication number
- CN206163670U CN206163670U CN201621154141.XU CN201621154141U CN206163670U CN 206163670 U CN206163670 U CN 206163670U CN 201621154141 U CN201621154141 U CN 201621154141U CN 206163670 U CN206163670 U CN 206163670U
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- ferrite
- center conductor
- metric wave
- circulator
- distributed
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Abstract
The utility model discloses a metric wave circulator, including first ferrite, second ferrite and center conductor, center conductor set up in between first ferrite and the second ferrite, first ferrite and second ferrite are the complex ferrite piece, the complex ferrite piece includes that disc and cover that the material is the ferrite establish the outer dielectric ring of disc, the dielectric constant of dielectric ring is higher than the dielectric constant of disc, just the dielectric ring is pottery porcelain ring, center conductor is circular, including set up in the nonreciprocal knot at circle center with connect in the three ramose distributed inductance and the three ramose distributed capacitive of nonreciprocal knot, the distributing type inductance with distributed capacitive establishes ties and constitutes matching network, the end of three ramose distributed inductance is connected with a terminal respectively, three terminal is the T type and arranges. This metric wave circulator not only volume is less relatively, can satisfy the electrical property requirement moreover.
Description
Technical field
This utility model is related to Microwave Iron Oxide Elements field, more particularly to a kind of metric wave circulator.
Background technology
Traditional metric wave circulator is substantially all and is designed by the way of lumped parameter, because lumped parameter is belt
Device research at home and abroad is more early, and technology is relatively ripe.But the circulator product of lumped parameter haves the shortcomings that to overcome：
1) because the presence of inductance and electric capacity causes the intermodulation of circulator poor；2) because the presence of inductance and electric capacity causes circulator power
Capacity is low；3) secondary and triple-frequency harmonics suppresses poor；4) because the inductance and electric capacity inside circulator is required for welding to cause
Production process is complicated, and production first-pass yield is not high.And Modern Communication System and metre wave radar to the intermodulation of circulator, power capacity,
Harmonics restraint, the requirement more and more higher of reliability of mutually reconciling, causing the metric wave circulator of traditional lumped parameter, cannot meet will
Ask.
Therefore, more than present circulator by the way of distributed constant, and the circulator of general distributed constant can be subject to micro-
The restriction of the ferritic dielectric constant size of ripple, is to meet performance requirement, and the volume of center conductor is generally large, so that going in ring
Body product is larger.As Chinese patent 200820237944.0 discloses a kind of circulator, volume is 45mm*45mm*15.7mm, body
Product is bigger than normal, cannot use in some occasions.
Utility model content
Technical problem to be solved in the utility model is：A kind of metric wave circulator is provided, small volume and can be met
Requirement on electric performance.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of metric wave circulator, including the
One ferrite, the second ferrite and center conductor, the center conductor be arranged at first ferrite and the second ferrite it
Between, it is characterised in that：First ferrite and the second ferrite are complex ferrite piece, and the complex ferrite piece includes
Material is ferritic disk and the dielectric ring being set in outside the disk, and the dielectric constant of the dielectric ring is higher than the disk
Dielectric constant, and the dielectric ring be ceramic ring；The center conductor is circle, including the nonreciprocal knot for being arranged at round center
With the distributed inductance and the distributed capacitor of three branches of three branches for being connected to the nonreciprocal knot, it is described distributed
Inductance and the distributed capacitor are composed in series matching network；The end of the distributed inductance of three branches is connected to
One terminal, the T-shaped arrangement of three terminals.
Further, first ferrite is provided with silver coating away from the side of center conductor；The second ferrite back of the body
Side from center conductor is provided with silver coating.
Further, the dielectric constant of the disk of the Ferrite Material is 14.5, and the dielectric constant of the dielectric ring is
50。
Further, also set in slotted circular cylindrical cavity, the cavity including three faces and set successively from lower to upper
It is equipped with the first permanent magnet, the first equal magnetic sheet, the first ferrite, center conductor, the second ferrite, the second equal magnetic sheet, the second permanent magnetism
Body, spiral cover plate；Three terminals of the position correspondence center conductor of three flutings.
Further, it is additionally provided with a temperature-compensating plate between the spiral cover plate and second permanent magnet.
Further, the width of three branches that the distributed capacitor is located is more than three that the distributed inductance is located
The width of individual branch.
Further, it is additionally provided between the distributed inductance of three branches and three terminals and matches inductance.
Further, the volume of the metric wave circulator is 30mm*30mm*10mm.
The beneficial effects of the utility model are：Using the ferrite sheet of composite construction, ferritic equivalent Jie is improve
Electric constant；The size of the center conductor is less, can not only meet the performance requirement of metric wave circulator, the circulator that can and make it is whole
Body volume reduces.
Description of the drawings
Fig. 1 is the Structure explosion diagram of this utility model metric wave circulator；
Fig. 2 is the ferritic structure chart of this utility model first；
Fig. 3 is the structure chart of this utility model center conductor；
Fig. 4 is the performance test results figure of this utility model metric wave circulator；
Label declaration：
1st, cavity；11st, slot；2nd, the first permanent magnet；3rd, the first equal magnetic sheet；4th, the first ferrite；41st, disk；42nd, medium
Ring；5th, center conductor；51st, nonreciprocal knot；52nd, distributed capacitor；53rd, distributed inductance；54th, inductance is matched；55th, terminal；6、
Second ferrite；7th, the second equal magnetic sheet；8th, the second permanent magnet；9th, temperature-compensating plate；10th, spiral cover plate.
Specific embodiment
To describe technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and match somebody with somebody
Close accompanying drawing to be explained.
The design of this utility model most critical is:Using the ferrite of composite construction, and the structure of center conductor is improved,
So that center conductor can also meet the performance requirement of circulator while volume reduces.
Fig. 1 and Fig. 2, a kind of metric wave circulator, including the first ferrite, the second ferrite and center conductor are refer to,
The center conductor is arranged between first ferrite and the second ferrite, it is characterised in that：First ferrite and
Second ferrite is complex ferrite piece, and the complex ferrite piece includes that material is ferritic disk and is set in described
Dielectric ring outside disk, the dielectric constant of the dielectric ring is higher than the dielectric constant of the disk, and the dielectric ring is ceramics
Ring；The center conductor is circle, including the nonreciprocal knot for being arranged at round center and is connected to three points of the nonreciprocal knot
The distributed inductance for propping up and the distributed capacitor of three branches, the distributed inductance and the distributed capacitor are composed in series
Matching network；The end of the distributed inductance of three branches is connected to a terminal, the T-shaped row of three terminals
Cloth.
Knowable to foregoing description, the beneficial effects of the utility model are：Ferrite is adopted outside the disk of Ferrite Material
The form of media ceramic ring is arranged, ferritic effective dielectric constant is improve；The size of the center conductor is less, can not only expire
The performance requirement of sufficient metric wave circulator, the overall volume of the circulator that can and make reduces.
Further, first ferrite is provided with silver coating away from the side of center conductor；The second ferrite back of the body
Side from center conductor is provided with silver coating.
Seen from the above description, ferrite arranges silver coating away from the side of center conductor, is conducive to improving ferritic
Dielectric constant.
Further, the dielectric constant of the disk of the Ferrite Material is 14.5, and the dielectric constant of the dielectric ring is
50。
Seen from the above description, the Ferrite Material that dielectric constant is 50 dielectric ring and dielectric constant is 14.5 is all existing
Have what technology was obtained in that, and need not be special.
Further, also set in slotted circular cylindrical cavity, the cavity including three faces and set successively from lower to upper
It is equipped with the first permanent magnet, the first equal magnetic sheet, the first ferrite, center conductor, the second ferrite, the second equal magnetic sheet, the second permanent magnetism
Body, spiral cover plate；Three terminals of the position correspondence center conductor of three flutings.
Further, it is additionally provided with a temperature-compensating plate between the spiral cover plate and second permanent magnet.
Seen from the above description, after metric wave circulator work a period of time, the temperature inside circulator can raise impact
The ferritic service behaviour, and the temperature-compensating plate can carry out a compensation adjustment to the temperature inside circulator,
Stablize ferritic property retention.
Further, the width of three branches that the distributed capacitor is located is more than three that the distributed inductance is located
The width of individual branch.
Further, it is additionally provided between the distributed inductance of three branches and three terminals and matches inductance.
Seen from the above description, the matching inductance can carry out Matching and modification to the inductance of whole center conductor so as to
Meet the requirement on electric performance of circulator.
Further, the volume of the metric wave circulator is 30mm*30mm*10mm.
Seen from the above description, the metric wave circulator is less relative to prior art volume, can be suitably used for more occasions.
Fig. 1 is refer to, embodiment of the present utility model is：A kind of metric wave circulator, including a side is provided with three
The first permanent magnet 2, the first equal magnetic sheet 3, the first ferrite are disposed with from lower to upper in the cavity 1 of fluting 11, the cavity 1
4th, center conductor 5, the second ferrite 6, the second equal magnetic sheet 7, the second permanent magnet 8, temperature-compensating plate 9, spiral cover plate 10.Wherein,
The bottom surface of the cavity 1 is rectangle or circle, and there is a cylindrical cavity inside.In the present embodiment, the bottom surface of the cavity 1 is
Rectangle.The surface metalation of first permanent magnet 2 and second permanent magnet 8；The spiral cover plate 10 can with the cavity 1
Dismounting connection, is preferably spirally connected.
The structure chart of the first ferrite 4 shown in Fig. 2 is refer to, it is described for complex ferrite piece, the complex ferrite
Piece is ferritic disk 41 and the dielectric ring 42 being set in outside the disk including material, the dielectric constant of the dielectric ring 42
Higher than the dielectric constant of the disk 41, and the dielectric ring 42 is ceramic ring.Apply mechanically the pottery higher than ferritic dielectric constant
Ceramic ring so that the effective dielectric constant of whole microwave ferrite piece is improved.In the present embodiment, the dielectric constant of disk 41 is
14.5, the dielectric constant of dielectric ring 42 is 50.The structure of second ferrite 6 is identical with first ferrite 4.Described
One ferrite 4 is provided with silver coating away from the side of center conductor 5, likewise, second ferrite 6 is away from center conductor 5
Side is provided with silver coating.
Fig. 3 is refer to, the center conductor 5 is circle, including being arranged at the nonreciprocal knot 51 at round center and be connected to institute
State the distributed inductance 53 and the distributed capacitor 52 of three branches of three branches of nonreciprocal knot 51, the distributed capacitor
Width of the width of 52 three branches being located more than three branches that the distributed inductance 53 is located.The distributed inductance
53 and the distributed capacitor 52 be composed in series matching network, matching network is arranged on the impedance of nonreciprocal knot with extraneous resistive resistance
Between anti-, nonreciprocal knot 51 and matching network are integrated.The end difference of the distributed inductance 53 of three branches
It is connected with a terminal 55, the T-shaped arrangement of three terminals 55.The distributed inductance 53 of three branches with described three
Matching inductance 54 is additionally provided between terminal 55.Opening on the position of three terminals 55 of the center conductor 5 and the cavity 1
The position of groove 11 is corresponding, and after the center conductor 5 is installed in the cavity 1, three terminals 55 can just lead to
Cross three flutings 11 to stretch out outside the cavity 1.
The metric wave circulator that the present embodiment makes compares existing circulator, and volume has obvious reduction, specifically can do
To 30mm*30mm*10mm.As shown in figure 4, can be drawn by test result, insertion loss is less than 0.3dB to its test result, every
It is more than 28dB from degree, return loss is less than -28dB, is fully able to meet the requirement on electric performance of metric wave circulator.
In sum, the metric wave circulator that this utility model is provided significantly is improve using the ferrite of composite construction
Ferritic dielectric constant, and using a kind of center conductor of miniaturization so as to the performance of metric wave circulator can not only be met
Require, and be substantially reduced the volume of metric wave circulator.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalents made using this utility model description and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, is included in the same manner in scope of patent protection of the present utility model.
Claims (8)
1. a kind of metric wave circulator, including the first ferrite, the second ferrite and center conductor, the center conductor is arranged at institute
State between the first ferrite and the second ferrite, it is characterised in that：First ferrite and the second ferrite are compound iron
Oxysome piece, the complex ferrite piece is ferritic disk and the dielectric ring being set in outside the disk including material, described
The dielectric constant of dielectric ring is higher than the dielectric constant of the disk, and the dielectric ring is ceramic ring；The center conductor is circle
Shape, including the nonreciprocal knot for being arranged at round center and be connected to the nonreciprocal knot three branches distributed inductance and three
The distributed capacitor of individual branch, the distributed inductance and the distributed capacitor are composed in series matching network；Described three points
The end of distributed inductance be connected to a terminal, the T-shaped arrangement of three terminals.
2. metric wave circulator as claimed in claim 1, it is characterised in that：First ferrite is away from the side of center conductor
It is provided with silver coating；Second ferrite is provided with silver coating away from the side of center conductor.
3. metric wave circulator as claimed in claim 1 or 2, it is characterised in that：The dielectric of the disk of the Ferrite Material is normal
Number is 14.5, and the dielectric constant of the dielectric ring is 50.
4. metric wave circulator as claimed in claim 3, it is characterised in that：Also set slotted cylindrical cavity including three faces
Body, be disposed with from lower to upper in the cavity the first permanent magnet, the first equal magnetic sheet, the first ferrite, center conductor, second
Ferrite, the second equal magnetic sheet, the second permanent magnet, spiral cover plate；The three of the position correspondence center conductor of three flutings
Individual terminal.
5. metric wave circulator as claimed in claim 4, it is characterised in that：Between the spiral cover plate and second permanent magnet
It is additionally provided with a temperature-compensating plate.
6. metric wave circulator as claimed in claim 5, it is characterised in that：The width of three branches that the distributed capacitor is located
Width of the degree more than three branches that the distributed inductance is located.
7. metric wave circulator as claimed in claim 6, it is characterised in that：The distributed inductance and described three of three branches
Matching inductance is additionally provided between individual terminal.
8. the metric wave circulator as described in claim 4-7 any one, it is characterised in that：The volume of the metric wave circulator is
30mm*30mm*10mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154141.XU CN206163670U (en) | 2016-10-31 | 2016-10-31 | Metric wave circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621154141.XU CN206163670U (en) | 2016-10-31 | 2016-10-31 | Metric wave circulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163670U true CN206163670U (en) | 2017-05-10 |
Family
ID=58655240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621154141.XU Active CN206163670U (en) | 2016-10-31 | 2016-10-31 | Metric wave circulator |
Country Status (1)
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| CN (1) | CN206163670U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845852A (en) * | 2017-10-20 | 2018-03-27 | 北京无线电测量研究所 | A kind of composite substrate formula microstrip circulator |
| CN111755788A (en) * | 2020-07-01 | 2020-10-09 | 北京航天微电科技有限公司 | Circulator |
| CN113991270A (en) * | 2021-10-28 | 2022-01-28 | 北京航天微电科技有限公司 | Manufacturing method of central conductor assembly and circulator |
| CN114865256A (en) * | 2022-07-11 | 2022-08-05 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Ultra-wideband lumped parameter circulator/isolator with multi-layer dielectric strip line structure |
-
2016
- 2016-10-31 CN CN201621154141.XU patent/CN206163670U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845852A (en) * | 2017-10-20 | 2018-03-27 | 北京无线电测量研究所 | A kind of composite substrate formula microstrip circulator |
| CN111755788A (en) * | 2020-07-01 | 2020-10-09 | 北京航天微电科技有限公司 | Circulator |
| CN113991270A (en) * | 2021-10-28 | 2022-01-28 | 北京航天微电科技有限公司 | Manufacturing method of central conductor assembly and circulator |
| CN113991270B (en) * | 2021-10-28 | 2022-05-03 | 北京航天微电科技有限公司 | Manufacturing method of central conductor assembly and circulator |
| CN114865256A (en) * | 2022-07-11 | 2022-08-05 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Ultra-wideband lumped parameter circulator/isolator with multi-layer dielectric strip line structure |
| CN114865256B (en) * | 2022-07-11 | 2022-11-01 | 西南应用磁学研究所(中国电子科技集团公司第九研究所) | Ultra-wideband lumped parameter circulator/isolator with multi-layer dielectric strip line structure |
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