CN108232387A - A kind of 18G broadband waveguides circulator - Google Patents
A kind of 18G broadband waveguides circulator Download PDFInfo
- Publication number
- CN108232387A CN108232387A CN201711475451.0A CN201711475451A CN108232387A CN 108232387 A CN108232387 A CN 108232387A CN 201711475451 A CN201711475451 A CN 201711475451A CN 108232387 A CN108232387 A CN 108232387A
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- Prior art keywords
- wave
- boss
- waveguide
- guide cavity
- cylindrical boss
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Classifications
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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
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/39—Hollow waveguide circulators
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Abstract
The present invention relates to a kind of 18G broadband waveguides circulators, include wave-guide cavity wave, cover board is installed on wave-guide cavity wave, there are three waveguide channels for distribution on wave-guide cavity wave, three waveguide channels are distributed in Y-shaped, form Y-shaped Waveguide structure, the intermediate convergent point of Y-shaped Waveguide structure, it is provided with boss construction, boss is structurally equipped with ferrite, the intermediate convergence point edge of Y-shaped Waveguide structure is constructed in cylindrical cavity, and several installation threaded holes are distributed on wave-guide cavity wave, is installed and is connected with magnetic steel component on threaded hole.Thereby, it is possible to effectively adjust magnet steel monomer to ferritic distance, saturation magnetization is accurately adjusted, improves isolation performance.Waveguide Y type knot internal round chamber constructs and double round step configurations can obtain 30% bandwidth, bears ferrite dielectric constant and is fluctuated in the range of 13 to 14.5, qualified, convenient for batch production.Waveguide Y type knot internal round chamber constructs and double round step configurations can be adjusted according to actual demand, can extend to other band limits.
Description
Technical field
The present invention relates to a kind of circulator more particularly to a kind of 18G broadband waveguides circulators.
Background technology
With the development of art communication systems, broader frequency range, higher performance circulator be integrated into waveguide duplexer
In.In the prior art, the outer double matching step structure designs of the common Y-junction triangle step of people, Y-junction.If single side
All there are narrow bandwidth, isolation promotes the problem of difficult for magnetization.If two-side magnetized, also limited assembly cost is high for bandwidth broadning
It is unfavorable for cost declining.
Such as common 18G single sides add frequency range of the magnetic waveguide circulator design bandwidth generally from 17.7 to 20G in the industry,
Isolation Theoretical Design value -28dB.Tolerance analysis is brought by practical Ferrite Material parameter, and -22dB, actual measurement isolation may be degraded
Degree is difficult to ensure that full frequency band satisfaction -20dB, influences batch production and repeats sex chromosome mosaicism.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of 18G broadband waveguides ring
Shape device makes it with more the utility value in industry.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of 18G broadband waveguides circulators.
A kind of 18G broadband waveguides circulator of the present invention, includes wave-guide cavity wave, lid is equipped on the wave-guide cavity wave
Plate, wherein：There are three waveguide channels for distribution on the wave-guide cavity wave, and three waveguide channels are in Y-shaped distribution, composition Y words
Shape Waveguide structure, the intermediate convergent point of the Y-shaped Waveguide structure are provided with boss construction, and the boss is structurally equipped with
Ferrite, the intermediate convergence point edge of the Y-shaped Waveguide structure are constructed in cylindrical cavity, and several peaces are distributed on the wave-guide cavity wave
Threaded hole is filled, magnetic steel component is connected on the installation threaded hole.
Further, above-mentioned a kind of 18G broadband waveguides circulator, wherein, rectangle platform is provided in the waveguide channels
Rank.
Further, above-mentioned a kind of 18G broadband waveguides circulator, wherein, the boss construction includes center of circle weight
Two boss closed, both the first cylindrical boss and the second cylindrical boss, first cylindrical boss were located at the second cylinder
The bottom of shape boss, the radius of first cylindrical boss are more than the radius of the second cylindrical boss.
Further, above-mentioned a kind of 18G broadband waveguides circulator, wherein, the top of second cylindrical boss
Mounting groove is provided with, the ferrite is arranged in mounting groove.
Further, above-mentioned a kind of 18G broadband waveguides circulator, wherein, the magnetic steel component includes adjustable spiral shell
Line screening cover is equipped with magnet steel monomer in the adjustable thread screening cover.
Still further, a kind of above-mentioned 18G broadband waveguides circulator, wherein, the lumen side of the Y-shaped Waveguide structure
Cornice has draft oblique angle, and angle is 0.5 to 2 °.
According to the above aspect of the present invention, the present invention has at least the following advantages：
1st, magnet steel monomer can be effectively adjusted to ferritic distance, accurately adjusted saturation magnetization, improved isolation
Spend performance.
2nd, waveguide Y type knot internal round chamber construction and double round step configurations can obtain 30% bandwidth, and it is normal to bear ferrite dielectric
Number fluctuates in the range of 13 to 14.5, qualified, convenient for batch production.
3rd, waveguide Y type knot internal round chamber construction and double round step configurations can be adjusted according to actual demand, can be extended to
Other band limits.
4th, overall construction is simple, is easily assembled manufacture with safeguarding.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
Description of the drawings
Fig. 1 is the decomposition texture schematic diagram of this 18G broadband waveguide circulators.
The meaning of each reference numeral is as follows in figure.
1 wave-guide cavity wave, 2 cover board
3 waveguide channels, 4 ferrite
5 installation 6 rectangular steps of threaded hole
7 first cylindrical boss, 8 second cylindrical boss
9 adjustable thread screening cover, 10 magnet steel monomer
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
Such as a kind of 18G broadband waveguides circulator of Fig. 1, include wave-guide cavity wave 1, cover board 2 be installed on wave-guide cavity wave 1,
Its unusual part is：In order to promote bandwidth, there are three waveguide channels 3, three waveguides for distribution on the wave-guide cavity wave 1 of use
Channel 3 is distributed in Y-shaped, forms Y-shaped Waveguide structure.Also, the intermediate convergence point edge of Y-shaped Waveguide structure is in cylindrical cavity structure
It makes.Specifically, the intermediate convergent point of Y-shaped Waveguide structure is provided with boss construction, ferrite is structurally equipped in boss
4.Meanwhile in order to excitation field, gyromagnetic effect is generated, several installation threaded holes 5, installation are distributed on wave-guide cavity wave 1
Magnetic steel component is connected on threaded hole 5.
From the point of view of a preferable embodiment of the invention, rectangular step 6 is provided in the waveguide channels 3 of use.Specifically
For, the narrow side that 6 height of rectangular step of use is equal to waveguide channels 3 highly subtracts the depth of cylindrical cavity construction, possess in this way compared with
Good using effect.
From the point of view of further, the boss of use construction includes two boss of center of circle coincidence, both the first cylindrical boss 7 with
Second cylindrical boss 8, the first cylindrical boss 7 are located at the bottom of the second cylindrical boss 8, and the half of the first cylindrical boss 7
Diameter is more than the radius of the second cylindrical boss 8.Simultaneously, it is contemplated that the assembling positioning of ferrite 4 needs, in the second cylindrical boss
8 top is provided with mounting groove, and ferrite 4 is arranged in mounting groove.
From the point of view of further, the magnetic steel component that the present invention uses includes adjustable thread screening cover 9, adjustable thread screening cover
Magnet steel monomer 10 is installed in 9.In this way, magnetic field intensity can be adjusted.The frequency response curve of entire circulator is enabled to meet three ranks
Chebyshev's response curve, bandwidth being capable of non-constant widths.
Furthermore the intracavity sidewall of the Y-shaped Waveguide structure of use carries draft oblique angle, and angle is 0.5 to 2 °, is to be conducive to
In the carry out Die Casting of product.
The operation principle of the present invention is as follows：Ferrite 4 generates gyromagnetic effect after being magnetized by magnet steel monomer 10, can be with
Realize circulator one-way isolation.Meanwhile it relies on adjustable thread screening cover 9 and can effectively adjust magnet steel monomer 10 to ferrite 4
Distance, coordinate actual use demand.
It can be seen that after applying the present invention by above-mentioned character express and with reference to attached drawing, gather around and have the following advantages：
1st, magnet steel monomer can be effectively adjusted to ferritic distance, accurately adjusted saturation magnetization, improved isolation
Spend performance.
2nd, waveguide Y type knot internal round chamber construction and double round step configurations can obtain 30% bandwidth, and it is normal to bear ferrite dielectric
Number fluctuates in the range of 13 to 14.5, qualified, convenient for batch production.
3rd, waveguide Y type knot internal round chamber construction and double round step configurations can be adjusted according to actual demand, can be extended to
Other band limits.
4th, overall construction is simple, is easily assembled manufacture with safeguarding.
The above is only the preferred embodiment of the present invention, is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of 18G broadband waveguides circulator includes wave-guide cavity wave (1), cover board (2) is equipped on the wave-guide cavity wave (1),
It is characterized in that：There are three waveguide channels (3) for distribution on the wave-guide cavity wave (1), and three waveguide channels (3) are in Y-shaped
Distribution, forms Y-shaped Waveguide structure, and the intermediate convergent point of the Y-shaped Waveguide structure is provided with boss construction, the boss
Ferrite (4) is structurally installed, the intermediate convergence point edge of the Y-shaped Waveguide structure is constructed in cylindrical cavity, the waveguide cavity
Several installation threaded holes (5) are distributed on body (1), magnetic steel component is connected on the installation threaded hole (5).
2. a kind of 18G broadband waveguides circulator according to claim 1, it is characterised in that：It is set in the waveguide channels (3)
It is equipped with rectangular step (6).
3. a kind of 18G broadband waveguides circulator according to claim 1, it is characterised in that：The boss construction includes
Two boss that the center of circle overlaps, both the first cylindrical boss (7) and the second cylindrical boss (8), first cylindrical boss
(7) positioned at the bottom of the second cylindrical boss (8), the radius of first cylindrical boss (7) is more than the second cylindrical boss
(8) radius.
4. a kind of 18G broadband waveguides circulator according to claim 3, it is characterised in that：Second cylindrical boss
(8) mounting groove is provided at the top of, the ferrite (4) is arranged in mounting groove.
5. a kind of 18G broadband waveguides circulator according to claim 1, it is characterised in that：The magnetic steel component includes
Adjustable thread screening cover (9), the adjustable thread screening cover (9) is interior to be equipped with magnet steel monomer (10).
6. a kind of 18G broadband waveguides circulator according to claim 1, it is characterised in that：The Y-shaped Waveguide structure
Intracavity sidewall carries draft oblique angle, and angle is 0.5 to 2 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475451.0A CN108232387A (en) | 2017-12-29 | 2017-12-29 | A kind of 18G broadband waveguides circulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711475451.0A CN108232387A (en) | 2017-12-29 | 2017-12-29 | A kind of 18G broadband waveguides circulator |
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| Publication Number | Publication Date |
|---|---|
| CN108232387A true CN108232387A (en) | 2018-06-29 |
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ID=62646939
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711475451.0A Pending CN108232387A (en) | 2017-12-29 | 2017-12-29 | A kind of 18G broadband waveguides circulator |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058780A (en) * | 1976-08-02 | 1977-11-15 | Microwave Development Labs., Inc. | Waveguide circulator |
| CN104916889A (en) * | 2015-05-28 | 2015-09-16 | 上海华为技术有限公司 | Isolator |
| CN105261812A (en) * | 2015-11-04 | 2016-01-20 | 世达普(苏州)通信设备有限公司 | Multi-channel integrated waveguide plane device |
| CN206059612U (en) * | 2016-08-30 | 2017-03-29 | 江苏贝孚德通讯科技股份有限公司 | A kind of waveguide junction circulator |
| CN106785283A (en) * | 2017-02-21 | 2017-05-31 | 南京广顺电子技术研究所 | Three port co-planar waveguide circulators |
| CN207719377U (en) * | 2017-12-29 | 2018-08-10 | 迈特通信设备（苏州）有限公司 | 18G broadband waveguide circulators |
-
2017
- 2017-12-29 CN CN201711475451.0A patent/CN108232387A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058780A (en) * | 1976-08-02 | 1977-11-15 | Microwave Development Labs., Inc. | Waveguide circulator |
| CN104916889A (en) * | 2015-05-28 | 2015-09-16 | 上海华为技术有限公司 | Isolator |
| CN105261812A (en) * | 2015-11-04 | 2016-01-20 | 世达普(苏州)通信设备有限公司 | Multi-channel integrated waveguide plane device |
| CN206059612U (en) * | 2016-08-30 | 2017-03-29 | 江苏贝孚德通讯科技股份有限公司 | A kind of waveguide junction circulator |
| CN106785283A (en) * | 2017-02-21 | 2017-05-31 | 南京广顺电子技术研究所 | Three port co-planar waveguide circulators |
| CN207719377U (en) * | 2017-12-29 | 2018-08-10 | 迈特通信设备（苏州）有限公司 | 18G broadband waveguide circulators |
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Application publication date: 20180629 |
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