CN107732402A - A kind of continuous automatically controlled resonator and its control system - Google Patents
A kind of continuous automatically controlled resonator and its control system Download PDFInfo
- Publication number
- CN107732402A CN107732402A CN201710943476.2A CN201710943476A CN107732402A CN 107732402 A CN107732402 A CN 107732402A CN 201710943476 A CN201710943476 A CN 201710943476A CN 107732402 A CN107732402 A CN 107732402A
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- Prior art keywords
- resonator
- electrode
- automatically controlled
- coupling ring
- control panel
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- 230000008878 coupling Effects 0.000 claims abstract description 28
- 238000010168 coupling process Methods 0.000 claims abstract description 28
- 238000005859 coupling reaction Methods 0.000 claims abstract description 28
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 229910052454 barium strontium titanate Inorganic materials 0.000 claims abstract description 11
- 230000005684 electric field Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 239000000523 sample Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 239000003989 dielectric material Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910002370 SrTiO3 Inorganic materials 0.000 description 1
- WOIHABYNKOEWFG-UHFFFAOYSA-N [Sr].[Ba] Chemical compound [Sr].[Ba] WOIHABYNKOEWFG-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The application is related to a kind of continuous automatically controlled resonator and its control system, wherein, the resonator includes the cylinder being made up of barium strontium titanate, the cylinder offers cylindrical cavities along the direction of axial line, the outside of the cylinder has first electrode, has second electrode on the inwall of the cylindrical cavities；Wherein, the first electrode is in contact with outer conductor, and the second electrode is in contact with center conductor；The first coupling ring and the second coupling ring are additionally provided with the resonator, wherein, first coupling ring is used to inject microwave signal into the resonator, and second coupling ring is used to export microwave signal out of described resonator.Technical scheme provided by the invention, automatically controlled regulation can be carried out to the resonant frequency of resonator.
Description
Technical field
The application is related to microwave technical field, more particularly to a kind of continuous automatically controlled resonator and its control system.
Background technology
At present, microwave resonance cavity detector and microwave cavity narrow band filter realize that the mode of frequency modulation mainly has：Change
The length of resonator, add medium, selection higher hamonic wave etc..
Wherein, when changing the length of resonator, frequency can be improved to reduce by increasing or reducing the size of resonator
Rate, but because the limitation of cut-off frequency and usage scenario, the size of resonator infinitely can not increase or reduce.In addition, size is got over
Small, the requirement to the precision and manufacture craft of element is also higher, therefore, resonant frequency is improved by the regulation of size
It is restricted.
The skew of resonant frequency is realized by filled media, it is difficult to automatically controlledization is realized, because the offset of resonant frequency
Relevant with the dielectric constant and its volume of filled media, exemplified by filling white stone, the volume of filling gets over the attenuating of multi resonant vibration frequency
It is more.Therefore, tuning process automatically controlledization is difficult to.
By higher hamonic wave come to realize the adjustment of resonant frequency be feasible in theory.But in the mistake of practical application
Cheng Zhong, due to factors such as processing technologys, the problems such as often frequency selectivity is deteriorated higher hamonic wave, clutter is more, quality factor reduction,
Therefore the tuning manner of multiple harmonic hardly results in utilization.
As can be seen here, a kind of effective resonator tuning manner is currently needed badly.
The content of the invention
, can be to the resonance of resonator it is an object of the invention to provide a kind of continuous automatically controlled resonator and its control system
Frequency carries out automatically controlled regulation.
To achieve the above object, the application provides a kind of continuous automatically controlled resonator, and the resonator is included by barium strontium titanate
The cylinder of composition, direction of the cylinder along axial line offer cylindrical cavities, and the outside of the cylinder is with the
One electrode, has second electrode on the inwall of the cylindrical cavities；Wherein, the first electrode is in contact with outer conductor, institute
Second electrode is stated to be in contact with center conductor；The first coupling ring and the second coupling ring are additionally provided with the resonator, wherein, institute
State the first coupling ring to be used to inject microwave signal into the resonator, second coupling ring is used for defeated out of described resonator
Go out microwave signal.
Further, be provided with the upper end cover perpendicular with the axial line of the resonator in the resonator, it is described on
The center of end cap offers the through hole for the center conductor to be passed through；Described in being connected on the upper end cover by sub-miniature A connector
First coupling ring and second coupling ring.
Further, the upper end of the center conductor is connected by shaft coupling with motor, and the lower end of the center conductor is in
Back taper, and probe is embedded with the lower end of the center conductor, it is coupled with testing sample below the probe.
To achieve the above object, the application also provides a kind of control system, and the control system includes Power Supply Assembly, amplification
Circuit and control panel, wherein：The Power Supply Assembly is connected with 220V AC powers, and the 220V AC powers are converted to
5V, 15V and 200V DC output power；The control panel is connected with host computer, to receive the control that the host computer issues
System instruction, and generate the analog voltage corresponding with the control instruction；The control panel is also connected with the amplifying circuit, with
The analog voltage is provided to the amplifying circuit；The control panel is also connected with the Power Supply Assembly, to receive the power supply
5V the and 15V DC output powers that component provides；The amplifying circuit is connected with the control panel, is sent out with receiving the control panel
The analog voltage come, and by after analog voltage amplification, the voltage after amplification is supplied to the continuous automatically controlled resonator,
To produce electric field between the first electrode and second electrode of the continuous automatically controlled resonator；The amplifying circuit also with the confession
Electrical component is connected, to receive the 200V DC output powers of the Power Supply Assembly.
Further, the Power Supply Assembly includes the rectification circuit, filter circuit and mu balanced circuit being sequentially connected, institute
State rectification circuit with the 220V AC powers to be connected, the output end of the mu balanced circuit provides 5V, 15V and 200V direct current
Out-put supply.
Further, the control panel includes central processing unit and digital analog converter, wherein, the central processing unit with
The host computer is connected, to receive the control instruction that the host computer issues；The central processing unit and the digital analog converter
It is connected, to send the data signal corresponding with the control instruction to the digital analog converter, the data signal is by described
Digital analog converter is converted to the analog voltage.
Further, analog-digital converter is also included in the control panel, the analog-digital converter is electric with the amplification respectively
The output end on road and the central processing unit are connected；The analog-digital converter is used to enter the output voltage of the amplifying circuit
Row sampling, and sampled result is fed back into the central processing unit, to cause data signal of the central processing unit to transmission
It is modified.
Compared with prior art, the technical scheme of the application includes advantages below：The present invention uses barium strontium titanate
(BaxSr1-xTiO4) coaxial resonant cavity filled media material is used as, it is same to be applicable that dielectric fill material is made hollow cylinder
The internal structure that axle resonant cavity is made up of internal and external conductor, and the interior lateral surface of the dielectric material in hollow cylinder adds electricity
Pole.Electrode forms the electric field of varying strength under different voltage, so as to realize the change of dielectric constant, and then realizes resonance
The adjustment of chamber resonant frequency.
Brief description of the drawings
Fig. 1 is the structural representation of continuous automatically controlled resonator provided in an embodiment of the present invention；
Fig. 2 is the profile of continuous automatically controlled resonator provided in an embodiment of the present invention；
Fig. 3 is the structural representation of control system provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in mode is applied, the technical scheme in the application embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the application, rather than whole embodiments.Based on the embodiment party in the application
Formula, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the application protection.
Referring to Fig. 1, the present invention provides a kind of continuous automatically controlled resonator, the resonator includes what is be made up of barium strontium titanate
Cylinder, direction of the cylinder along axial line offer cylindrical cavities, and the outside of the cylinder has first electrode
2, have second electrode 4 on the inwall of the cylindrical cavities；Wherein, the first electrode 2 is in contact with outer conductor 1, described
Second electrode 4 is in contact with center conductor 11；The first coupling ring 141 and the second coupling ring 142 are additionally provided with the resonator,
Wherein, first coupling ring is used to input microwave signal into the resonator, and second coupling ring is used for from described humorous
Intracavitary of shaking exports microwave signal.
Referring to Fig. 2, in the present embodiment, it is provided with the resonator perpendicular with the axial line of the resonator
Upper end cover 124, the center of the upper end cover 124 offers the through hole for the center conductor 11 to be passed through；The upper end
First coupling ring 141 and second coupling ring 142 are connected by sub-miniature A connector 15 on lid 124.
In the present embodiment, the upper end of the center conductor 11 is connected by shaft coupling 22 with motor 21, the center
The lower end of the main body 111 of conductor 11 is in back taper 112, and probe 113, the spy are embedded with the lower end of the center conductor
The lower section of pin 113 is coupled with testing sample 31.In fig. 2, it is b that cavity wall 12, which arrives the distance between axle center of center conductor 11, in
The width of the main body 111 of heart conductor 11 is 2a, and the distance between the bottom of center conductor 11 and upper end cover 124 are h.Resonator
Intracavitary 19 can fill barium strontium titanate.
Referring to Fig. 3, the application also provides a kind of control system, the control system includes Power Supply Assembly, amplifying circuit
And control panel, wherein：The Power Supply Assembly is connected with 220V AC powers, by the 220V AC powers be converted to 5V,
15V and 200V DC output power；The control panel is connected with host computer, and the control issued with receiving the host computer refers to
Order, and generate the analog voltage corresponding with the control instruction；The control panel is also connected with the amplifying circuit, with to institute
State amplifying circuit and the analog voltage is provided；The control panel is also connected with the Power Supply Assembly, to receive the Power Supply Assembly
5V the and 15V DC output powers of offer；The amplifying circuit is connected with the control panel, is sent with to receive the control panel
Analog voltage, and after the analog voltage is amplified, the voltage after amplification is supplied to the continuous automatically controlled resonator, with
Electric field is produced between the first electrode and second electrode of the continuous automatically controlled resonator；The amplifying circuit also with the power supply group
Part is connected, to receive the 200V DC output powers of the Power Supply Assembly.
In the present embodiment, the Power Supply Assembly includes the rectification circuit, filter circuit and voltage stabilizing being sequentially connected
Circuit, the rectification circuit are connected with the 220V AC powers, the output end of the mu balanced circuit provide 5V, 15V and
200V DC output power.
In the present embodiment, the control panel includes central processing unit and digital analog converter, wherein, the centre
Reason device is connected with the host computer, to receive the control instruction that the host computer issues；The central processing unit and the digital-to-analogue
Converter is connected, to send the data signal corresponding with the control instruction, the data signal to the digital analog converter
The analog voltage is converted to by the digital analog converter.
In the present embodiment, also include analog-digital converter in the control panel, the analog-digital converter respectively with it is described
The output end of amplifying circuit and the central processing unit are connected；The analog-digital converter is used for the output to the amplifying circuit
Voltage is sampled, and sampled result is fed back into the central processing unit, to cause number of the central processing unit to transmission
Word signal is modified.
In practical application scene, barium strontium titanate (BaxSr1-xTiO4) material had both had the Gao Jie of barium titanate (BaTiO3)
Electric constant and low dielectric loss, there is the characteristics of strontium titanates (SrTiO3) Stability Analysis of Structures again, be ideal higfh-tension ceramics electricity
Container material.The change of its dielectric constant with temperature and electric-field intensity and change.The application be exactly apply its dielectric constant with
The enhancing of its suffered electric-field intensity and reduce this characteristic, adjust its dielectric constant by controlling its suffered electric-field intensity, enter
And control the resonant frequency of resonator.
The designed resonator of the present invention shows its principle by taking the coaxial resonant cavity of 1/4 wavelength as an example.It mainly includes
Outer conductor, center conductor, coupling ring or coupling pin, and dielectric material barium strontium titanate (BaxSr1-xTiO4).Wherein, metatitanic acid
Strontium barium dielectric material is processed to hollow cylinder, and in its interior lateral surface enclose electrode, can finally be put into resonator
Internal and external conductor between.Two coupling rings are installed on the top of cavity, the microwave being respectively used to after the injection and conditioning of microwave is defeated
Go out
In the present invention, Power Supply Assembly is made up of alternation straight circuit rectifies circuit, filter circuit and mu balanced circuit, its
Defeated is 5V, 15V, 200V DC voltage, is chip power supply and provides voltage reference.Amplifying circuit is mainly to include Linear Amplifer
With power amplification two parts.Control panel mainly includes central processing unit and the digital analog converter (DAC) of one 16 and two
Analog-digital converter (ADC) and peripheral circuit.Its operation principle is：Host computer sends control instruction to central processing unit (to be needed
Magnitude of voltage), control central processing unit to DAC send corresponding to data signal, through 16 DAC be converted to 1-5V simulation believe
Number, analog signal amplifies 40 times by amplifying circuit so that the direct current that driving power plate exports 0-200V to piezoelectric actuator is believed
Number, because the battery lead plate at barium strontium titanate medium both ends can form uniform electric field therebetween after being powered, by controlling between the two poles of the earth
Voltage so as to control the electric-field intensity at resonator barium strontium titanate medium both ends, so as to change dielectric constant, and then change resonance
The resonant frequency of chamber.In order to ensure the accuracy of output voltage, analog-digital converter need to be added in the voltage output end of amplifying circuit, will
Output voltage sampling feedback can be repaiied to central processing unit, central processing unit by Fuzzy-PID algorithms to output voltage
Just.
Compared with prior art, the technical scheme of the application includes advantages below：The present invention uses barium strontium titanate
(BaxSr1-xTiO4) coaxial resonant cavity filled media material is used as, it is same to be applicable that dielectric fill material is made hollow cylinder
The internal structure that axle resonant cavity is made up of internal and external conductor, and the interior lateral surface of the dielectric material in hollow cylinder adds electricity
Pole.Electrode forms the electric field of varying strength under different voltage, so as to realize the change of dielectric constant, and then realizes resonance
The adjustment of chamber resonant frequency.
The description to the various embodiments of the application is supplied to those skilled in the art with the purpose described above.It is not
Be intended to exhaustion or it is not intended to and limits the invention to single disclosed embodiment.As described above, the application's is various
Substitute and change will be apparent for above-mentioned technology one of ordinary skill in the art.Therefore, although specifically begging for
Some alternative embodiments have been discussed, but other embodiment will be apparent, or those skilled in the art are relative
Easily draw.The application is intended to be included in this all replacement of the invention discussed, modification and change, and falls
Other embodiment in the spirit and scope of above-mentioned application.
Claims (7)
1. a kind of continuous automatically controlled resonator, it is characterised in that the resonator includes the cylinder being made up of barium strontium titanate, described
Direction of the cylinder along axial line offers cylindrical cavities, and the outside of the cylinder has first electrode, the cylinder
Has second electrode on the inwall in cavity；Wherein, the first electrode is in contact with outer conductor, and the second electrode is led with center
Body phase contacts；The first coupling ring and the second coupling ring are additionally provided with the resonator, wherein, first coupling ring be used for
Input microwave signal in the resonator, second coupling ring are used to export microwave signal out of described resonator.
2. continuous automatically controlled resonator according to claim 1, it is characterised in that be provided with the resonator with it is described humorous
Shake the perpendicular upper end cover of axial line of chamber, and the center of the upper end cover offers logical for the center conductor to be passed through
Hole；First coupling ring and second coupling ring are connected by sub-miniature A connector on the upper end cover.
3. continuous automatically controlled resonator according to claim 2, it is characterised in that the upper end of the center conductor passes through shaft coupling
Device is connected with motor, and the lower end of the center conductor is in back taper, and is embedded with probe in the lower end of the center conductor, institute
State and be coupled with testing sample below probe.
4. a kind of control system for being applied to continuous automatically controlled resonator as claimed any one in claims 1 to 3, its feature exist
In, the control system includes Power Supply Assembly, amplifying circuit and control panel, wherein：
The Power Supply Assembly is connected with 220V AC powers, and the 220V AC powers are converted into 5V, 15V and 200V
DC output power；
The control panel is connected with host computer, to receive the control instruction that the host computer issues, and generates and refers to the control
Make corresponding analog voltage；The control panel is also connected with the amplifying circuit, to provide the mould to the amplifying circuit
Intend voltage；The control panel is also connected with the Power Supply Assembly, to receive 5V the and 15V direct current outputs that the Power Supply Assembly provides
Power supply；
The amplifying circuit is connected with the control panel, to receive the analog voltage that the control panel is sent, and by the simulation
After voltage amplification, the voltage after amplification is supplied to the continuous automatically controlled resonator, with the continuous automatically controlled resonator
Electric field is produced between first electrode and second electrode；The amplifying circuit is also connected with the Power Supply Assembly, to receive the confession
The 200V DC output powers of electrical component.
5. control system according to claim 4, it is characterised in that the Power Supply Assembly includes the rectification being sequentially connected
Circuit, filter circuit and mu balanced circuit, the rectification circuit are connected with the 220V AC powers, the mu balanced circuit it is defeated
Go out the DC output power that end provides 5V, 15V and 200V.
6. control system according to claim 4, it is characterised in that the control panel includes central processing unit and digital-to-analogue
Converter, wherein, the central processing unit is connected with the host computer, to receive the control instruction that the host computer issues；Institute
Central processing unit is stated with the digital analog converter to be connected, it is corresponding with the control instruction to be sent to the digital analog converter
Data signal, the data signal are converted to the analog voltage by the digital analog converter.
7. control system according to claim 6, it is characterised in that also include analog-digital converter, institute in the control panel
Analog-digital converter is stated respectively with the output end of the amplifying circuit and the central processing unit to be connected；The analog-digital converter is used
Sampled in the output voltage to the amplifying circuit, and sampled result is fed back into the central processing unit, to cause
Central processing unit is stated to be modified the data signal of transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943476.2A CN107732402A (en) | 2017-10-11 | 2017-10-11 | A kind of continuous automatically controlled resonator and its control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943476.2A CN107732402A (en) | 2017-10-11 | 2017-10-11 | A kind of continuous automatically controlled resonator and its control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107732402A true CN107732402A (en) | 2018-02-23 |
Family
ID=61210888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710943476.2A Pending CN107732402A (en) | 2017-10-11 | 2017-10-11 | A kind of continuous automatically controlled resonator and its control system |
Country Status (1)
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2158514B2 (en) * | 1970-11-26 | 1972-11-30 | Nippon Hoso Kyokai, Tokio | DIELECTRIC CAVITY RESONATOR |
| FR2265188A1 (en) * | 1974-03-22 | 1975-10-17 | Varian Associates | |
| CN204116980U (en) * | 2014-09-26 | 2015-01-21 | 深圳市大族激光科技股份有限公司 | A kind of test probe pressure regulation device |
| CN106053956A (en) * | 2016-07-19 | 2016-10-26 | 电子科技大学 | Material dielectric constant testing system and testing method based on same |
| CN106099301A (en) * | 2016-07-19 | 2016-11-09 | 电子科技大学 | A kind of coaxial resonant cavity and application thereof |
| CN106248697A (en) * | 2016-07-19 | 2016-12-21 | 电子科技大学 | A kind of microwave detection system |
| CN207517843U (en) * | 2017-10-11 | 2018-06-19 | 北京亦庄材料基因研究院有限公司 | A kind of continuous automatically controlled resonator and its control system |
-
2017
- 2017-10-11 CN CN201710943476.2A patent/CN107732402A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2158514B2 (en) * | 1970-11-26 | 1972-11-30 | Nippon Hoso Kyokai, Tokio | DIELECTRIC CAVITY RESONATOR |
| FR2265188A1 (en) * | 1974-03-22 | 1975-10-17 | Varian Associates | |
| CN204116980U (en) * | 2014-09-26 | 2015-01-21 | 深圳市大族激光科技股份有限公司 | A kind of test probe pressure regulation device |
| CN106053956A (en) * | 2016-07-19 | 2016-10-26 | 电子科技大学 | Material dielectric constant testing system and testing method based on same |
| CN106099301A (en) * | 2016-07-19 | 2016-11-09 | 电子科技大学 | A kind of coaxial resonant cavity and application thereof |
| CN106248697A (en) * | 2016-07-19 | 2016-12-21 | 电子科技大学 | A kind of microwave detection system |
| CN207517843U (en) * | 2017-10-11 | 2018-06-19 | 北京亦庄材料基因研究院有限公司 | A kind of continuous automatically controlled resonator and its control system |
Non-Patent Citations (1)
| Title |
|---|
| 王聪: ""介电材料测试系统的自动化研究"", 《中国优秀硕士学位论文全文数据库工程科技II辑》 * |
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Effective date of registration: 20190322 Address after: 610000 North Section of Tianfu Avenue, Chengdu High-tech Zone, Sichuan Province, 1700, 3 blocks, 3 units, 9 floors, 910 Applicant after: Chengdu New Energy Technology Co., Ltd. Wall-E Address before: No.6 Building, 29 Kechuang Qijie, Daxing Economic and Technological Development Zone, Beijing, 100176 Applicant before: Yizhuang Beijing material Gene Research Institute Co Ltd |
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Application publication date: 20180223 |