CN106654498A - Cavity resonator and filter based on deformable high-temperature superconducting material - Google Patents
Cavity resonator and filter based on deformable high-temperature superconducting material Download PDFInfo
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- CN106654498A CN106654498A CN201611149426.9A CN201611149426A CN106654498A CN 106654498 A CN106654498 A CN 106654498A CN 201611149426 A CN201611149426 A CN 201611149426A CN 106654498 A CN106654498 A CN 106654498A
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- resonator
- cavity
- temperature superconducting
- high temperature
- deformable high
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/207—Hollow waveguide filters
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Abstract
The present invention discloses a cavity resonator based on a deformable high-temperature superconducting material. The cavity resonator includes a resonator cavity, and the deformable high-temperature superconducting material is attached on the circuit structure surface of the resonator cavity in a completely covering manner and electrically connected with each other to form a superconducting resonator cavity. The deformable high-temperature superconducting material realizes electrical connection through adhesion by a conductive adhesive or/and soldering. The cavity resonator and filter based on the deformable high-temperature superconducting material have the following advantages of realizing the cavity superconducting filter by introducing the deformable high-temperature superconducting material in an existing cavity filter/resonator, designing a tuning structure that can adjust the internal size of the resonator cavity by utilizing the characteristics of processing easiness and breaking difficulty of the deformable high-temperature superconducting material, providing a new tuning mode for the cavity superconducting resonator/filter, reducing the designing difficulty of the resonator and the processing precision requirement of the resonator, and meanwhile, solving the using stability problem of the products after tuning by setting a frequency difference between a designed circuit and a target circuit when the circuit is designed.
Description
Technical field
The invention belongs to superconduction components and parts design field, is related to high-temperature superconductor resonance components and parts based on the components and parts
Wave filter, more particularly to a kind of microwave cavity resonator and wave filter based on the bent high temperature superconducting materia of deformable.
Background technology
HTS Resonator part because its good circuit characteristic (such as high q-factor characteristic) be widely used in science and techniques of defence,
The Disciplinary Frontiers such as Aero-Space and satellite communication, as the base unit of component.
With the fast development of communications industry, the presence simultaneously of various communication standards causes frequency resource more and more nervous, right
In the requirement also more and more higher of the front end receiver equipment of wireless communication system.Concrete manifestation is efficient availability of frequency spectrum problem,
There are urgent needss to the radio-frequency filter with high selectivity, small size, low cost, flexible design.High temperature superconductor technology
Development at present is more ripe, and the wave filter designed using high temperature superconducting materia has Insertion Loss little, and band edge is precipitous, squareness factor
High the characteristics of, therefore be widely used in the communications field.But, the superconductor that microwave band is commonly used at present is base
In the superconducting film material of single crystalline substrate, such material has deficiency that is almost non-deformable, adding man-hour to be easily broken, generally quilt
For making planar resonant device/wave filter.And as another common components and parts-cavity resonator in microwave resonator field/
Wave filter, is but difficult to be realized by the superconductor of such based single crystal substrate.The applicant once did and served as a contrast based single crystal
The superconducting film material at bottom is applied to the trial of cavity resonator/wave filter, from the point of view of circuit performance parameters, brings really very
Big breakthrough, but due to the fragility of such superconductor, difficulty of processing is larger, and the cavity body filter of making is due to fragility
Impact, adjustable parameter is also very limited..
In recent years technology is achieved deformable high temperature superconducting materia (such as bent Ni-based secondary high-temperature superconductor band)
Fast development, can be commercially used in power transmission use at present, and can improve 5 to 10 times of current carrying capacity, energy consumption
Reduce by 2/3rds.The characteristics of such material is arbitrarily to bend, and machinability is strong.Relative to the low frequency field of power transmission,
Secondary superconducting tape is applied to into radio frequency, microwave and higher frequency field and still has no trial or report.
The content of the invention
The invention aims to solve existing superconduction cavity body filter processing and manufacturing difficulty greatly, tuner parameters are limited
Deng not enough, it is proposed that the wave filter of a kind of microwave cavity resonator made using bent high temperature superconducting materia and its composition.
The technical scheme is that:Cavity resonator based on deformable high temperature superconducting materia, it is characterised in that include
Resonator cavities, deformable high temperature superconducting materia is attached to the resonator cavities circuit structure surface in the way of being completely covered
And be electrically connected to each other to form superconducting cavity.
Preferred version, realization is electric in the form of conductive adhesive and/or welding between the deformable high temperature superconducting materia
Connection.
Preferred version, the deformable high temperature superconducting materia is secondary high-temperature superconductor band.
Preferred version, the resonator cavities are conductor, and the deformable high temperature superconducting materia is existed by conductive adhesive
Resonator cavities respective surfaces.
Preferred version, resonator cavities are provided with tuning structure portion, for inserting tuning structure to the inside of resonator cavities.
Preferred version, the tuning structure portion includes tuning plug and connecting portion, and the tuning plug can be relative to resonator cavity
Body simultaneously points to inside cavity and does telescopic adjustment, and the connecting portion is used to connecting the one end of tuning plug and tuning plug correspondence position
Deformable high temperature superconducting materia, when adjusting for tuning plug to be performed the Stress Transfer that produces to deformable high temperature superconducting materia,
And cause the corresponding deformation of the deformable high temperature superconducting materia.
Preferred version, it is conductive when resonator cavities arrange the surface bonding deformable high temperature superconducting materia in tuning structure portion
Glue is coated on the outward flange centered on tuning plug, so as to fix without conducting resinl in certain face domain S around tuning plug.
Preferred version, the area of the face domain S arranges the inner surface area S of tuning plug not less than resonator11/2.
Preferred version, face domain S and inner surface area S1Meet following requirement, 0.5S1≤S≤0.9S1。
Preferred version, the tuning structure portion include groove, for realizing, the tuning plug toward containment portion adjust when,
Deformable high temperature superconducting materia can be driven to chamber outer lug by connecting portion, to increase inside cavity spatial volume.
Preferred version, inside cavity spatial volume adjusts attainable maximum volume V by tuning plug1, minimum volume V2With
Free state volume V0Between relation meet:V2=n1V0, V1=n2V0;Wherein, 0.2≤n1≤ 1,1≤n2≤5。
Preferred version, 0.2≤n1≤ 0.5,2≤n2≤5。
Cavity body filter based on deformable high temperature superconducting materia, it is characterised in that the wave filter is humorous by above-mentioned cavity
One or more coupling shaken in device is formed.
Beneficial effects of the present invention:Deformable high temperature superconducting materia is introduced existing cavity body filter/resonance by the present invention
In device design, the design of cavity super conductive filter is realized.Meanwhile, it is easy to process and not fragile using deformable high-temperature superconductor band
Broken the characteristics of, devising can adjust the tuning structure and tuning methods of intra resonant cavity size, to cavity superconducting resonator/filter
Ripple device provides more rich and more effective tuning manner, reduces the design difficulty of resonator, also reduces and resonator is added
The required precision of work.By arranging the difference design with objective circuit frequency during design circuit, while solving product in tuning
Later stability in use problem.
Description of the drawings:
Fig. 1 is the cavity resonator embodiment based on deformable high temperature superconducting materia of the present invention:Circular cylindrical cavity resonance
Device structural representation;
Fig. 2 is the sectional view of circular cylindrical cavity resonator shown in Fig. 1;
Fig. 3 is the cavity resonator embodiment based on deformable high temperature superconducting materia of the present invention:Special-shaped cavity resonator
Structural representation;
Fig. 4 is the cavity resonator embodiment based on deformable high temperature superconducting materia of the present invention:Coaxial cavity resonator
Structural representation;
Fig. 5 is the cavity resonator embodiment based on deformable high temperature superconducting materia of the present invention:Band tuning cavity resonant
Device structural representation.
Specific embodiment
Embodiments of the invention are designed according to the principle of the present invention, below in conjunction with the accompanying drawings with specific examples below pair
The present invention is further elaborated.
Embodiment 1:As shown in Figures 1 and 2, the deformable high temperature superconducting materia microwave cavity resonator of the present embodiment is normal
Circular cylindrical cavity resonator in rule cavity resonator, including resonator cavities 11, deformable high temperature superconducting materia 12 is with complete
The mode of covering is attached to the resonator cavities circuit structure surface and is electrically connected to each other to form superconducting cavity.
Embodiment 2:As shown in figure 3, the deformable high temperature superconducting materia microwave cavity resonator of the present embodiment is special-shaped cavity
The resonator of body structure, including resonator cavities 21, deformable high temperature superconducting materia 22 is attached to institute in the way of being completely covered
State resonator cavities circuit structure surface and be electrically connected to each other to form superconducting cavity.Wherein, in the master of resonator cavities 22
There is polymorphic structure portion 23 on body.The design in polymorphic structure portion is verified in traditional cavity body filter, and one
Aspect can determine suitable polymorphic structure according to objective factors such as installation environments, increase practicality;On the other hand, polymorphic structure
Also resonance manner and circuit characteristic that traditional structure is difficult to are brought, with important value.But due to traditional superconduction work
The restriction of skill and material, the resonator of polymorphic structure is difficult to introduce superconducting circuit on the premise of low cost.The present embodiment is combined
Using deformable superconductor special performance, special-shaped cavity resonator is combined with superconducting phase, define special-shaped cavity surpass
Lead resonator.
Embodiment 3:As shown in figure 4, the deformable high temperature superconducting materia microwave cavity resonator of the present embodiment is conventional chamber
Cylindrical coaxial cavity resonator in body resonator, including resonator cavities 31, deformable high temperature superconducting materia 32 is with complete
The mode of covering is attached to the resonator cavities circuit structure surface and is electrically connected to each other to form superconducting cavity.
In the embodiment above, because the microwave of high frequency has Kelvin effect, when having superconducting path in circuit pathways,
Almost all of electric current can be flow through by superconducting path.Therefore, resonator cavities are mainly used in providing superconductor formation circuit
When preferred circuit size, primarily serve mechanical support and protective effect, at the same also have concurrently including provide tuning structure design exist
Other interior effects.Realization is electric preferably in the form of conductive adhesive and/or welding between the deformable high temperature superconducting materia
Connection.The deformable high temperature superconducting materia is the high temperature superconducting materia of bent processing, such as secondary high-temperature superconductor band.
Preferred embodiment scheme, the resonator cavities 11 (21 or 31) are conductor, and deformable high temperature superconducting materia can lead to
Conductive adhesive is crossed in resonator cavities respective surfaces.Using conductor as cavity material, electricity can be to a certain extent improved
The performance on road, being in particular in can aid in solving continuous to a point problem between the superconducting circuit piece that is separated from each other, improve it and lead
The reliability of electricity.
Preferred embodiment:As shown in figure 5, resonator cavities are provided with tuning structure portion, for the inside of resonator cavities
Insertion tuning structure, such as tuning screw.In the present embodiment, tuning structure portion specifically includes and is arranged in resonator cavities 41
Inside cavity arc groove 42, the tuning screw 44 being arranged on cavity arc groove 42 is connected on superconductive pellet 43.Figure
Middle superconductive pellet 431 and superconductive pellet 432 are respectively two tuning settings diagram of the superconductive pellet 43 under the tune drive of tuning screw.
It should be noted that as the presently preferred embodiments, resonator cavities can include traditional tuning structure, but tuning described here
Screw hole refers in particular to the tuning screw hole being arranged in resonator cavities, and it is right that the superconducting circuit surface corresponding with the hole is not present
The perforate answered.Its main purpose is, by the insertion depth for adjusting tuning screw, can adjust on the surface superconductive pellet to cavity
The degree of internal protrusion, and then the inside dimensions of circuit cavity can be changed, realize high efficiency modulation.Can design larger simultaneously
Adjusting range, to realize the regulation on a large scale of resonant frequency, on the one hand adjust can be modified on a large scale to mismachining tolerance,
But its main purpose also resides in the adaptation to different application scene, and (adjustment on a large scale to frequency band, such as adjust multiple frequencys multiplication
Layer).Specific design may be referred to following examples, and resonator cavities arrange the surface bonding deformable high temperature in tuning screw hole and surpass
When leading material, conductive glue in the centrical outward flange in tuning screw hole so that around tuning screw hole in certain face domain S
Fix without conducting resinl.In view of said structure feature and circuit generally to the demand for tuning, preferably, the face of the face domain S
Product arranges the inner surface area S in tuning screw hole not less than resonator11/2.Further, face domain S and inner surface area S1It is full
Foot is following to be required, 0.5S1≤S≤0.9S1.The scope limit the structural strength that can be combined with cavity with active balance superconductive pellet and
Relation between tuning range, makes the parameter of the two be optimal matching.There is provided enough on the premise of ensureing current strength again
Tuning range.
Preferred embodiment scheme, the tuning structure portion includes tuning plug and connecting portion, and the tuning plug can be relative to humorous
Shake and device cavity and point to inside cavity and do telescopic adjustment, the one end that the connecting portion is used to connect tuning plug is corresponding with tuning plug
The deformable high temperature superconducting materia of position, the Stress Transfer produced during for performing and adjust tuning plug is to deformable high-temperature superconductor
Material, and cause the corresponding deformation of the deformable high temperature superconducting materia.
The tuning structure portion include groove, for realizing, the tuning plug toward containment portion adjusts when, can by connect
Portion drives deformable high temperature superconducting materia to chamber outer lug, to increase inside cavity spatial volume.That is, the groove is
Resonator body of wall volume is tuned up there is provided space.
Preferred embodiment scheme, inside cavity spatial volume adjusts attainable maximum volume V by tuning plug1, it is minimum
Volume V2With free state volume V0Between relation meet:V2=n1V0, V1=n2V0;Wherein, 0.2≤n1≤ 1,1≤n2≤5。
Realize that same resonator can be adjusted in wider frequency range with this, to adapt to different demands.Preferred embodiment scheme,
0.2≤n1≤ 0.5,2≤n2≤5。
Cavity body filter based on deformable high temperature superconducting materia, it is characterised in that the wave filter is humorous by above-mentioned cavity
One or more coupling shaken in device is formed.Obviously, the coupled modes between the resonator are not constituted to present invention filtering
The restriction of device scheme.
Based on the design of the embodiment of the present invention, the resonator of the present invention includes but is not limited to rectangular cavities resonator, cylinder
Shape cavity resonator and coaxial cavity resonator etc..And for different in nature cavity resonator (forms the cavity circuit surface of resonator
For nonplanar polymorphic structure), the solution of the present invention advantage is more projected, because the deformable high-temperature superconductor of the present invention can pass through
Bending/bending process or mould punching molding form the curved surface and/or polymorphic structure of various complexity, belong to the preferred of the present invention
Embodiment scheme.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
It is each that those of ordinary skill can make various other without departing from essence of the invention according to these technologies enlightenment disclosed by the invention
Plant concrete deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (10)
1. the cavity resonator of deformable high temperature superconducting materia is based on, it is characterised in that including resonator cavities, deformable high temperature
Superconductor is attached to the resonator cavities circuit structure surface in the way of being completely covered and is electrically connected to each other super to be formed
Lead resonator cavity.
2. the cavity resonator based on deformable high temperature superconducting materia according to claim 1, it is characterised in that it is described can
The realization electrical connection in the form of conductive adhesive and/or welding between deformation high temperature superconducting materia.
3. the cavity resonator based on deformable high temperature superconducting materia according to claim 1 and 2, it is characterised in that institute
Deformable high temperature superconducting materia is stated for secondary high-temperature superconductor band.
4. the cavity resonator based on deformable high temperature superconducting materia according to claim 3, it is characterised in that described humorous
The device cavity that shakes is conductor, and the deformable high temperature superconducting materia is by conductive adhesive in resonator cavities respective surfaces.
5. the cavity resonant based on deformable high temperature superconducting materia according to any one claim of Claims 1-4
Device, it is characterised in that resonator cavities are provided with tuning structure portion, for inserting tuning structure to the inside of resonator cavities.
6. the cavity resonator based on deformable high temperature superconducting materia according to claim 5, it is characterised in that the tune
Humorous structural portion includes tuning plug and connecting portion, and the tuning plug relative to resonator cavities and can point to inside cavity and do flexible tune
Section, the connecting portion is used to connect the one end of tuning plug and the deformable high temperature superconducting materia of tuning plug correspondence position, is used for
The Stress Transfer produced when tuning plug is performed and adjusted causes the deformable high-temperature superconductor to deformable high temperature superconducting materia
The corresponding deformation of material.
7. the cavity resonator based on deformable high temperature superconducting materia according to claim 6, it is characterised in that resonator
When cavity arranges the surface bonding deformable high temperature superconducting materia in tuning structure portion, conductive glue is in centered on tuning plug
Outward flange, so as to fix without conducting resinl in certain face domain S around tuning plug.
8. the cavity resonator based on deformable high temperature superconducting materia according to claim 6 or 7, it is characterised in that institute
The area of face domain S is stated not less than the 1/2 of the inner surface area S1 of resonator setting tuning plug.
9. the cavity resonator based on deformable high temperature superconducting materia according to claim 7 or 8, it is characterised in that face
Domain S and inner surface area S1 meets following requirement, 0.5S1≤S≤0.9S1.
10. the cavity body filter of deformable high temperature superconducting materia is based on, it is characterised in that the wave filter is by above-mentioned cavity resonant
One or more coupling in device is formed.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111384496A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
CN112236899A (en) * | 2018-04-20 | 2021-01-15 | 上海诺基亚贝尔股份有限公司 | Filter arrangement and method |
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US3983470A (en) * | 1975-08-20 | 1976-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Superconducting apparatus for generating high frequency microwaves |
CN1666379A (en) * | 2002-05-07 | 2005-09-07 | 微波与材料设计Ip私人有限公司 | Filter assembly |
CN103187605A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Low loss microwave cavity filter with high temperature superconducting block and manufacturing method thereof |
CN104300197A (en) * | 2014-10-21 | 2015-01-21 | 成都顺为超导科技股份有限公司 | Superconducting resonator and superconducting filter composed of superconducting resonators |
CN204391230U (en) * | 2014-12-31 | 2015-06-10 | 北京有色金属研究总院 | A kind of full superconductive microwave cavity body filter |
CN205069821U (en) * | 2015-09-30 | 2016-03-02 | 李登峰 | Cavity filter |
CN206274541U (en) * | 2016-12-14 | 2017-06-23 | 电子科技大学 | Cavity resonator and wave filter based on deformable high temperature superconducting materia |
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2016
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Patent Citations (7)
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US3983470A (en) * | 1975-08-20 | 1976-09-28 | The United States Of America As Represented By The Secretary Of The Navy | Superconducting apparatus for generating high frequency microwaves |
CN1666379A (en) * | 2002-05-07 | 2005-09-07 | 微波与材料设计Ip私人有限公司 | Filter assembly |
CN103187605A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Low loss microwave cavity filter with high temperature superconducting block and manufacturing method thereof |
CN104300197A (en) * | 2014-10-21 | 2015-01-21 | 成都顺为超导科技股份有限公司 | Superconducting resonator and superconducting filter composed of superconducting resonators |
CN204391230U (en) * | 2014-12-31 | 2015-06-10 | 北京有色金属研究总院 | A kind of full superconductive microwave cavity body filter |
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CN206274541U (en) * | 2016-12-14 | 2017-06-23 | 电子科技大学 | Cavity resonator and wave filter based on deformable high temperature superconducting materia |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112236899A (en) * | 2018-04-20 | 2021-01-15 | 上海诺基亚贝尔股份有限公司 | Filter arrangement and method |
CN111384496A (en) * | 2018-12-29 | 2020-07-07 | 深圳市大富科技股份有限公司 | Dielectric resonator, dielectric filter and communication equipment |
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