CN102904000B - A kind of harmonic oscillator, microwave device and communication equipment - Google Patents
A kind of harmonic oscillator, microwave device and communication equipment Download PDFInfo
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- CN102904000B CN102904000B CN201210275372.6A CN201210275372A CN102904000B CN 102904000 B CN102904000 B CN 102904000B CN 201210275372 A CN201210275372 A CN 201210275372A CN 102904000 B CN102904000 B CN 102904000B
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- harmonic oscillator
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Abstract
The present invention relates to a kind of harmonic oscillator, comprise medium body and be positioned at the supporting base bottom medium body, described medium body comprises multiple harmonic oscillator lamella being provided with through hole, and a connection piece passes the through hole of each harmonic oscillator lamella successively and is connected with described supporting base thus medium body and supporting base is fixed with one.The invention still further relates to the microwave device and communication equipment with above-mentioned harmonic oscillator.Harmonic oscillator lamella and supporting base connected piece serial connection fixing, the microwave device and the communication apparatus construction steadiness that make to have this harmonic oscillator are good, and because of harmonic oscillator lamella, to rock the loss caused little.
Description
Technical field
The present invention relates to microwave radio components and parts field, more particularly, relate to a kind of harmonic oscillator, microwave device and communication equipment.
Background technology
Harmonic oscillator, also known as dielectric resonator, has that dielectric constant is high, electromagnetic consumable is a little low, be widely used in various microwave radio device, such as filter, duplexer etc.Usual harmonic oscillator is cylindrical, is formed by microwave-medium ceramics one sintering.In the resonant cavity of the microwave device such as filter, duplexer, be usually lined with supporting base bottom harmonic oscillator, supporting base is relative with resonant cavity fixing.In order to fixing harmonic oscillator, usual harmonic oscillator is all directly bond to supporting base on the surface.
In order to strengthen the characteristic such as high-k etc. of harmonic oscillator, certain occasion needing by harmonic oscillator cutting is multiple lamella, and does some processing examples as adhered to the structure of multiple Copper Foil or copper wire formation in sheet surfaces, improves the dielectric constant of harmonic oscillator.Now, because harmonic oscillator is multiple lamella, if do not fixed, affect result of use on the one hand, can loss be caused on the other hand.Meanwhile, come bonding, although there is certain fastness by organic gel between harmonic oscillator with supporting base; But filters etc. operationally temperature can be higher, and organic gel is softened can affect bonding fastness.
Summary of the invention
The object of the invention is to, for the above-mentioned defect of prior art, provide a kind of structure to fix, connect firm, that loss is little harmonic oscillator, microwave device and communication equipment.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of harmonic oscillator, comprise medium body and be positioned at the supporting base bottom medium body, described medium body comprises multiple harmonic oscillator lamella being provided with through hole, and a connection piece passes the through hole of each harmonic oscillator lamella successively and is connected with described supporting base thus medium body and supporting base is fixed with one.
In harmonic oscillator of the present invention, described supporting base is provided with screwed hole, and described connector is bolt, and described bolt is locked through the through hole assembling with the screwed hole on described supporting base of each harmonic oscillator lamella.
In harmonic oscillator of the present invention, described supporting base is provided with through hole, and described connector is screw bolt and nut, assembles lock after the through hole of each harmonic oscillator lamella of described screw bolt passes and supporting base with described nut.
In harmonic oscillator of the present invention, described connector is less than 10 by dielectric constant, loss tangent is made lower than the material of 0.1.
In harmonic oscillator of the present invention, the material of described connector is Polyetherimide or Teflon.
In harmonic oscillator of the present invention, described harmonic oscillator lamella is the annular that centre is provided with through hole, and multiple described harmonic oscillator sheet-shaped is identical and stack gradually into the tubular of hollow.
In harmonic oscillator of the present invention, described harmonic oscillator lamella comprises substrate and is attached at least one man-made microstructure on substrate, described man-made microstructure be electric conducting material make there is geometric planar structure.
In harmonic oscillator of the present invention, described man-made microstructure is positioned at the edge of described substrate.
In harmonic oscillator of the present invention, described man-made microstructure has multiple and in pairs, each man-made microstructure to the center of circle of described annular harmonic oscillator sheet surfaces for the center of circle become even circumferential distribution, each man-made microstructure is to the man-made microstructure comprising two identical arranged in parallel.
In harmonic oscillator of the present invention, described man-made microstructure is the metal forming that solid metal paper tinsel or hollow out have multiple hole.
The invention still further relates to a kind of microwave device, a kind of microwave device, for processing microwave, there is at least one resonant cavity, harmonic oscillator is provided with in described resonant cavity, described harmonic oscillator comprises medium body and is positioned at the supporting base bottom medium body, and described medium body comprises multiple harmonic oscillator lamella being provided with through hole, and a connection piece passes the through hole of each harmonic oscillator lamella successively and is connected with described supporting base thus medium body and supporting base is fixed with one.
In microwave device of the present invention, described resonant cavity bottom surface is provided with screwed hole, described supporting base is provided with through hole, and described connector is bolt, assembles lock after the through hole of each harmonic oscillator lamella of described screw bolt passes and supporting base with the screwed hole of described resonant cavity.
In microwave device of the present invention, described resonant cavity bottom surface is provided with through hole, described supporting base is provided with through hole, and described connector is screw bolt and nut, assembles lock after the through hole of each harmonic oscillator lamella of described screw bolt passes, supporting base resonant cavity bottom surface with described nut.
In microwave device of the present invention, described screw bolt and nut is fastened as a whole by the mode of welding or hot pressing.
In microwave device of the present invention, described microwave device is cavity body filter or duplexer.
The invention still further relates to a kind of communication equipment, there is the above-mentioned microwave device for processing microwave.
In communication equipment of the present invention, described communication equipment is microwave oven, base station, radar or aircraft.
Implement harmonic oscillator of the present invention, microwave device and communication equipment, there is following beneficial effect: harmonic oscillator lamella and supporting base connected piece serial connection are fixed, the microwave device and the communication apparatus construction steadiness that make to have this harmonic oscillator are good, and because of harmonic oscillator lamella, to rock the loss caused little.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the microwave device of first embodiment of the invention;
Fig. 2 is the structural representation of the microwave device of second embodiment of the invention;
Fig. 3 is the structural representation of the microwave device of third embodiment of the invention;
Fig. 4 is a kind of vertical view of harmonic oscillator lamella;
Fig. 5 is the vertical view of another kind of harmonic oscillator lamella.
Embodiment
The present invention relates to a kind of harmonic oscillator, as shown in Figure 1, Figure 2, Figure 3 shows, comprise medium body and be positioned at the supporting base 7 bottom medium body.Medium body is made up of multiple harmonic oscillator lamella 3, and as shown in Figure 4, Figure 5, have through hole in the middle of each harmonic oscillator lamella 3, preferably harmonic oscillator lamella 3 is the annular that shape is identical, highly identical or not identical.Multiple annular harmonic oscillator lamellas 3 stack gradually into the cylindrical shape of hollow.
Harmonic oscillator lamella 3 can be made up of the existing microwave-medium ceramics being used for manufacturing dielectric resonance, known BaTi
4o
9, Ba
2ti
9o
20, MgTiO
3-CaTiO
3, BaO-Ln
2o
3-TiO
2system, Bi
2o
3-ZnO-Nb
2o
5systems etc., also can select the material that other dielectric constants are relatively high, loss angle tangent is relatively little, such as F4B material, FR-4 material etc. certainly.
The present invention preferably adopts the harmonic oscillator lamella based on Meta Materials technology, comprise the annular substrate 2 be made up of above-mentioned microwave-medium ceramics or other materials, also comprise at least one man-made microstructure 1 being attached to substrate 2 surface, each man-made microstructure 1 is the structure with geometrical pattern of sheet or thread electric conducting material composition.
Sheet man-made microstructure 1 can be solid metal paper tinsel, also can have the metal forming in multiple hole by surface hollow-out.Man-made microstructure 1 shown in Fig. 4 is solid square piece, also can be disk, annulus or other laminated structures.In Fig. 2, every two identical square shape sheet man-made microstructure are parallel is arranged side by side formation man-made microstructure pair, each man-made microstructure to the center of circle of the annular harmonic oscillator sheet surfaces at place for the center of circle become even circumferential distribution.Obviously, for the man-made microstructure of other shapes, also this arrangement can be adopted.For the metal forming that hollow out is porose, the quantity in hole can be one, also can be multiple, and the shape in hole can be circular, square or other arbitrary shapes.
Thread man-made microstructure 1 can be helix, serpentine line, I-shaped, cross, two I-shaped orthogonal structures, by four identical branch roads around same fixed point rotary 90 degree of symmetrical structures as shown in Figure 5 of dividing formation equally, and other arbitrary structures.
Multiple man-made microstructure 1 on substrate 2 surface can circular arrangement as shown in Figure 4, also can be arranged into a rectangular array as shown in Figure 5, also can Arbitrary distribution, determines according to the actual requirements.Above-mentioned electric conducting material comprises the good metal of various electric conductivity and metal alloy, such as silver, copper, silver alloy, copper alloy; Electric conducting material also can be the nonmetallic materials that can conduct electricity, such as indium tin oxide, Al-Doped ZnO or electrically conductive graphite etc.
The existence of man-made microstructure 1, when harmonic oscillator is worked in microwave cavity, the electric field in harmonic oscillator passes through or passes man-made microstructure, form equivalent capacity, thus be equivalent to the dielectric constant that improve harmonic oscillator, reduce resonance frequency, be conducive to the miniaturization of microwave cavity.
Preferred man-made microstructure 1 is positioned at the edge of substrate, and namely man-made microstructure is greater than the half of substrate edges to substrate center's distance to the distance of substrate center.This is because harmonic oscillator is the closer to the position at its center, and electromagnetic field is stronger, the free electron in the man-made microstructure 1 that electric conducting material is made moves and can cause energy loss, reduces the Q value of harmonic oscillator.Man-made microstructure 1 is positioned at the edge of substrate, reduces the loss self caused while reducing resonance frequency as far as possible.
Supporting base 7 is used to Supporting Media body, is located at the central authorities of resonant cavity, is connected bottom usual supporting base 7 with resonant cavity by screw, and top is bonding by organic gel with harmonic oscillator.Electromagnetic wave transparent material selected by supporting base 7, i.e. the wave transmission rate material that is greater than 90%, and it comprises the wave-penetrating composite material etc. that aluminium oxide, silicon dioxide, glass ceramics, silicon nitride, fortifying fibre and basis material are formed.Preferential oxidation aluminium of the present invention.
Another inventive point of the present invention is, harmonic oscillator is also provided with connector, its successively through each harmonic oscillator lamella 3 through hole and to link together with supporting base 7 thus fastening together with they are gone here and there.The effect of connector is multiple harmonic oscillator lamella 3 to tighten up into as a whole with supporting base 7, avoids their arrangements scattered and causes loss to increase.
As shown in Figure 1, the connector in the present embodiment is bolt of long stem 4.Bolt 4 adopts that dielectric constant is less than 10, loss tangent is made lower than the material of 0.1, can be Polyetherimide or Teflon material specifically.Supporting base 7 upper surface is provided with screwed hole, and bolt 4 is locked through the through hole assembling with the screwed hole on supporting base 7 of each harmonic oscillator lamella.
Harmonic oscillator lamella 3 and supporting base 7 is caused to loosen, together with being preferably bonded to supporting base by welding or hot pressing by bolt 4 to prevent because bolt 4 loosens.
Certainly, connector can also be other structures, and such as bayonet lock, two ends are against the spring clip etc. of medium body upper surface and supporting base lower surface respectively, are not restricted herein.
Further, the present invention also protects the microwave device with above-mentioned harmonic oscillator, and for processing microwave, the microwave device in embodiment is herein cavity body filter.
In the first embodiment shown in Fig. 1, microwave device comprises at least one resonant cavity 6, is provided with above-mentioned harmonic oscillator in resonant cavity 6, and harmonic oscillator comprises medium body and supporting base 7.Supporting base 7 Supporting Media body, is located at the centre of resonant cavity 6.Connector is bolt 4, and supporting base 7 surface is provided with screwed hole, and bolt 4 passes harmonic oscillator lamella 3 and is mounted with screwed hole.
In the second embodiment shown in Fig. 2, resonant cavity 6 bottom surface is provided with screwed hole, and described supporting base 7 is provided with through hole, and connector is bolt 4, assembles lock after bolt 4 passes the through hole of each harmonic oscillator lamella 3 and supporting base 7 successively with the screwed hole of resonant cavity 6.
In the 3rd embodiment shown in Fig. 3, resonant cavity 6 bottom surface is provided with through hole, and supporting base 7 is provided with through hole, and connector is bolt 4 and nut 5, and bolt 4 is locked through assembling with nut 5 after the through hole of each harmonic oscillator lamella 3, supporting base 7 and bottom surface, resonance 6 chamber successively.In order to prevent bolt 4 from loosening, bolt 4 and nut 5 can be fastened as a whole by the mode of welding or hot pressing.
There is the cavity body filter of above-mentioned harmonic oscillator, effectively can improve the dielectric constant of harmonic oscillator based on Meta Materials technology, reduce the resonance frequency of resonant cavity on the one hand, on the other hand due to multiple harmonic oscillator lamella and supporting base and resonant cavity all connected piece be fastenedly connected, enhance the steadiness of harmonic oscillator, reduce because harmonic oscillator lamella rocks the unnecessary loss caused.
Certainly, microwave device of the present invention can be any components and parts utilizing microwave cavity and harmonic oscillator to realize carrying out the microwave of certain band limits certain process, and can be not only filter, also can be duplexer or other components and parts.
The present invention also protects the communication equipment with above-mentioned microwave device; this equipment has multiple various interrelated, interactional functional module and realizes a comparatively complicated purposes, and has used above-mentioned microwave device in one or more functional module and process microwave.Such communication equipment has a lot, such as satellite, base station, radar or aircraft etc.These communication equipments, have employed above-mentioned microwave device, and can reduce the volume and weight of Whole Equipment, loss is little, and its purposes is played better.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (12)
1. a harmonic oscillator, be arranged in resonant cavity, comprise medium body and be positioned at the supporting base bottom medium body, it is characterized in that, described medium body comprises multiple harmonic oscillator lamella being provided with through hole, and a connection piece passes the through hole of each harmonic oscillator lamella successively and is connected with described supporting base thus medium body and supporting base is fixed with one;
Described harmonic oscillator lamella comprises substrate and is attached at least one man-made microstructure on substrate, described man-made microstructure be electric conducting material make there is geometric planar structure, described man-made microstructure is greater than the half of substrate edges to substrate center's distance to the distance of substrate center;
Bottom inside in described resonant cavity is provided with screwed hole, described supporting base is provided with screwed hole, described connector is bolt, described bolt through each harmonic oscillator lamella through hole and assemble lock with the screwed hole bottom the screwed hole on described supporting base and described resonant cavity;
Or, bottom outside in described resonant cavity is provided with groove, described supporting base is provided with through hole, described connector is screw bolt and nut, and the groove stretched into after the through hole of each harmonic oscillator lamella of described screw bolt passes and supporting base bottom described resonant cavity assembles with the described nut be built in described groove locks.
2. harmonic oscillator according to claim 1, is characterized in that, described connector is less than 10 by dielectric constant, loss tangent is made lower than the material of 0.1.
3. harmonic oscillator according to claim 2, is characterized in that, the material of described connector is Polyetherimide or Teflon.
4. harmonic oscillator according to claim 1, is characterized in that, described harmonic oscillator lamella is the annular that centre is provided with through hole, and multiple described harmonic oscillator sheet-shaped is identical and stack gradually into the tubular of hollow.
5. harmonic oscillator according to claim 4, is characterized in that, described man-made microstructure is positioned at the edge of described substrate.
6. harmonic oscillator according to claim 4, it is characterized in that, described man-made microstructure has multiple and in pairs, each man-made microstructure to the center of circle of described harmonic oscillator sheet surfaces for the center of circle become even circumferential distribution, each man-made microstructure is to the man-made microstructure comprising two identical arranged in parallel.
7. harmonic oscillator according to claim 6, is characterized in that, described man-made microstructure is the metal forming that solid metal paper tinsel or hollow out have multiple hole.
8. a microwave device, for processing microwave, it is characterized in that, there is at least one resonant cavity, harmonic oscillator is provided with in described resonant cavity, described harmonic oscillator comprises medium body and is positioned at the supporting base bottom medium body, and described medium body comprises multiple harmonic oscillator lamella being provided with through hole, and a connection piece passes the through hole of each harmonic oscillator lamella successively and is connected with described supporting base thus medium body and supporting base is fixed with one; Described harmonic oscillator lamella comprises substrate and is attached at least one man-made microstructure on substrate, described man-made microstructure be electric conducting material make there is geometric planar structure, described man-made microstructure is greater than the half of substrate edges to substrate center's distance to the distance of substrate center;
Bottom inside in described resonant cavity is provided with screwed hole, and described supporting base is provided with through hole, and described connector is bolt, assembles lock after the through hole of each harmonic oscillator lamella of described screw bolt passes and supporting base with the screwed hole of described resonant cavity;
Or, bottom outside in described resonant cavity is provided with groove, described resonant cavity bottom surface is provided with through hole, described supporting base is provided with through hole, described connector is screw bolt and nut, and the groove stretched into after the through hole of each harmonic oscillator lamella of described screw bolt passes, supporting base resonant cavity bottom surface bottom described resonant cavity assembles with the described nut be built in described groove locks.
9. microwave device according to claim 8, is characterized in that, described screw bolt and nut is fastened as a whole by the mode of welding or hot pressing.
10. microwave device according to claim 8, is characterized in that, described microwave device is cavity body filter or duplexer.
11. 1 kinds of communication equipments, is characterized in that, have the microwave device for processing microwave as described in any one of claim 8 to 10.
12. communication equipments according to claim 11, is characterized in that, described communication equipment is satellite, base station, radar or aircraft.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275372.6A CN102904000B (en) | 2012-08-03 | 2012-08-03 | A kind of harmonic oscillator, microwave device and communication equipment |
| PCT/CN2013/080757 WO2014019548A1 (en) | 2012-08-03 | 2013-08-02 | Harmonic oscillator and manufacturing method therefor, filter device and electromagnetic wave equipment |
| EP13825593.0A EP2882035B1 (en) | 2012-08-03 | 2013-08-02 | Harmonic oscillator and manufacturing method therefor, filter device and electromagnetic wave equipment |
| US14/568,137 US9799941B2 (en) | 2012-08-03 | 2014-12-12 | Harmonic oscillator and preparation method thereof, filtering device and electromagnetic wave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210275372.6A CN102904000B (en) | 2012-08-03 | 2012-08-03 | A kind of harmonic oscillator, microwave device and communication equipment |
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| Publication Number | Publication Date |
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| CN102904000A CN102904000A (en) | 2013-01-30 |
| CN102904000B true CN102904000B (en) | 2015-08-26 |
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| CN201210275372.6A Active CN102904000B (en) | 2012-08-03 | 2012-08-03 | A kind of harmonic oscillator, microwave device and communication equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014019548A1 (en) | 2012-08-03 | 2014-02-06 | 深圳光启创新技术有限公司 | Harmonic oscillator and manufacturing method therefor, filter device and electromagnetic wave equipment |
| US10050323B2 (en) | 2015-11-13 | 2018-08-14 | Commscope Italy S.R.L. | Filter assemblies, tuning elements and method of tuning a filter |
| CN108879040B (en) * | 2017-09-04 | 2019-06-25 | 郑州大学 | A kind of tunable bandstop filter based on metal ring structure |
| CN110707400B (en) * | 2019-09-20 | 2021-09-21 | 天津大学 | Multiplexer |
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| EP0465059A1 (en) * | 1990-06-22 | 1992-01-08 | NGK Spark Plug Co. Ltd. | Dielectric resonator device |
| CN202259607U (en) * | 2011-08-23 | 2012-05-30 | 武汉凡谷电子技术股份有限公司 | Resonance rod mounting seat |
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| US8271241B2 (en) * | 2005-01-18 | 2012-09-18 | University Of Massachusetts Lowell | Chiral metamaterials |
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| US7847659B2 (en) * | 2006-12-22 | 2010-12-07 | Alcatel-Lucent Usa Inc. | Coaxial metamaterial structure |
| US20100314040A1 (en) * | 2009-06-10 | 2010-12-16 | Toyota Motor Engineering & Manufacturing North America, Inc. | Fabrication of metamaterials |
| CN202310306U (en) * | 2011-10-19 | 2012-07-04 | 深圳市五株电路板有限公司 | Positioning and processing structure of circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0465059A1 (en) * | 1990-06-22 | 1992-01-08 | NGK Spark Plug Co. Ltd. | Dielectric resonator device |
| US8271241B2 (en) * | 2005-01-18 | 2012-09-18 | University Of Massachusetts Lowell | Chiral metamaterials |
| CN202259607U (en) * | 2011-08-23 | 2012-05-30 | 武汉凡谷电子技术股份有限公司 | Resonance rod mounting seat |
| CN202275917U (en) * | 2011-09-16 | 2012-06-13 | 深圳光启高等理工研究院 | Resonant cavity |
| CN102610924A (en) * | 2012-03-01 | 2012-07-25 | 深圳光启创新技术有限公司 | Metamaterial and filter using same |
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