CN107014833A - Liquid and dusty material composition on-line detecting system and method based on the resonance method - Google Patents
Liquid and dusty material composition on-line detecting system and method based on the resonance method Download PDFInfo
- Publication number
- CN107014833A CN107014833A CN201710284602.8A CN201710284602A CN107014833A CN 107014833 A CN107014833 A CN 107014833A CN 201710284602 A CN201710284602 A CN 201710284602A CN 107014833 A CN107014833 A CN 107014833A
- Authority
- CN
- China
- Prior art keywords
- liquid
- microwave
- resonator
- resonance
- material composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention provides a kind of liquid and dusty material composition on-line detecting system and method based on the resonance method, including data processing and control module and microwave test module；Data processing and control module include digital signal processor, external storage, key panel and display screen；Microwave Detector includes sweep check module, microwave coaxial transmission, resonator, resonator is provided with material tests hole, utilize the microwave cavity of perforate, according to the different detection holes of spillage of material different choice, liquid or dusty material delivery pipe are passed through into resonator, practical frequency and the difference of cavity resonance frequency and the functional relation of change in dielectric constant amount are obtained by testing based on perturbation method theoretical formula, material composition ratio is calculated with reference to Lichtenecker logarithms rule；The liquid and dusty material composition of a variety of different losses can be detected using porous resonator, accuracy of detection is higher, detects material composition using the resonance method, is easily installed, and is adapted to on-line real-time measuremen, simple to operate.
Description
Technical field
The invention belongs to Microwave Nondestructive Testing Techniqne field, more particularly to liquid based on the resonance method and dusty material into
Part on-line detecting system and method.
Background technology
For liquid (such as liquid rubber, alcohol) and powder (such as flour) material composition detection technique in the industry
Extensive use.Traditional sensing techniques include capacitance method, photoelectric method, ultrasonic method, microwave method, wherein chemical measure, capacitance detecting
Method needs to design multiple sensors, online to install inconvenient and be easily affected by temperature；Traditional microwave detection method has based on thunder
Up to algorithm and transmission bounce technique, but it is respectively present the not high defect of inapplicable on-line checking and accuracy of detection；Though chemical measure
Right accuracy of detection is high, but the time-consuming unsuitable on-line real-time measuremen of complex operation.Current most of detection method is both for certain
A kind of material carries out ingredient analysis, and detectable scope is narrower.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of liquid based on the resonance method and
Dusty material composition on-line detecting system and detection method.
For achieving the above object, technical solution of the present invention is as follows：
A kind of liquid and dusty material composition on-line detecting system based on the resonance method, including data processing and control module
A and microwave test module B；
The data processing and control module include digital signal processor, external storage, key panel and display screen；
Described Microwave Detector includes setting on sweep check module, microwave coaxial transmission line, resonant cavity, resonator
Have a material tests hole, resonance cavity edge is provided with coupling, digital signal processor respectively with external storage, key panel, aobvious
Display screen, the connection of sweep check module, sweep check module and the first coupling are connected by the first microwave coaxial transmission line, swept
Frequency test module and the second coupling are connected by the first microwave coaxial transmission line；
Data processing and control module A and microwave test module B realize detection control sum by data line connection
According to transmission, digital signal processor sends control instruction and gives sweep check module, sets its swept frequency range, points and power, and
Amplitude/frequency data of sweep check are fed back into digital signal processor, then according to resonance frequency deviation and change in dielectric constant
The function and Lichtenecker logarithm rules of amount calculate material composition ratio.
It is preferred that, different materials detection hole is corresponding with different materials loss respectively.
For achieving the above object, the present invention also provides a kind of liquid based on the resonance method and dusty material ingredient analysis
Method, using the microwave cavity of perforate, according to the different detection holes of spillage of material different choice, liquid or dusty material are conveyed
Pipe is through resonator, and field distribution in the resonator based on classical perturbation algorithm and different modes of resonance passes through experimental analysis meter
Equivalent complex dielectric permittivity variable quantity and the function of resonance frequency deviation under different modes of resonance are calculated, function is directly substituted into
Lichtenecker logarithm rules formula calculates material composition ratio.
For achieving the above object, the present invention also provides a kind of liquid based on the resonance method and dusty material ingredient analysis
Method, is detected using said detecting system, is comprised the following steps：
1) material delivery tubes place or mounting material detection hole in one；
2) power supply is connected, if relay indicating light is bright, illustrates that system is normal, material tests can be carried out；
3) correct test port is selected in software and successfully opened, when not adding detected materials, first calibrated；
4) liquid or dusty material are added, waits 10 seconds, is tested again after material is uniform and stable, testing result is real-time
Display；
5) External memory equipment is inserted, selection preserves data.
The operation principle of the present invention is as follows：
The resonator that the system is used is operated in TM0n0 patterns, and cavity internal electric field and Distribution of Magnetic Field are shown in accompanying drawing 3, and contrast is treated
Before and after material of measuring and monitoring the growth of standing timber is added, resonant frequency and quality factor change can analyze biased sample material using classical perturbation algorithm
With respect to the functional relation of complex dielectric permittivity variable quantity and resonance frequency deviation, and according to field distribution in the resonators of different modes of resonance,
Set up under different modes of resonance, equivalent complex dielectric permittivity variable quantity and the function of resonance frequency deviation.
Lichtenecker logarithm rules are to be applied to the logarithm rule that multiphase mixture microwave complex dielectric constant is calculated.When
The composition material of each in mixture is all isotropism, symmetrical, uniform perfect medium, and the material of each composition is mixed uniformly
Under the premise of, Lichtenecker logarithms rule can be expressed as：
Wherein, εiRepresent the relative complex dielectric permittivity of i-th kind of medium in mixture, viRepresent i-th kind of material in mixture
Volume fraction shared by material, ε represents the relative complex dielectric permittivity of biased sample material.
Beneficial effects of the present invention are：1) porous resonator is utilized, the liquid and powder of a variety of different losses can be detected
Material composition, accuracy of detection is higher.2) material composition is detected using the resonance method, be easily installed, be adapted to on-line real-time measuremen, operation
Simply.
Brief description of the drawings
Fig. 1 is liquid and dusty material composition on-line detecting system structure chart of the invention based on the resonance method.
Fig. 2 is cavity resonator structure figure.
Fig. 3 is electric field and Distribution of Magnetic Field figure, and wherein left figure is distribution map of the electric field, and right figure is Distribution of Magnetic Field figure.
Wherein, 1 it is digital signal processor, 2 be external storage, 3 be key panel, 4 be display screen, 5 is data transfer
Line, 6 are that sweep check module, 7a are that the first microwave coaxial transmission line, 7b are the first microwave coaxial transmission lines, and 8a is the first coupling
Joint, 8b are the second couplings, and 9a-9c is material tests hole, 10 is resonator, and A is data processing and control module, and B is
Microwave Detector.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
A kind of liquid and dusty material composition on-line detecting system based on the resonance method, including data processing and control module
A and microwave test module B；
The data processing and control module include digital signal processor 1, external storage 2, key panel 3 and display
Screen 4；
Described Microwave Detector includes sweep check module 6, microwave coaxial transmission line 7a-7b, resonant cavity 10, humorous
The chamber 10 that shakes is provided with material tests hole 9a-9c, and the edge of resonator 10 is provided with coupling 8a, 8b, and digital signal processor 1 is distinguished
Connected with external storage 2, key panel 3, display screen 4, sweep check module 6, the coupling 8a of sweep check module 6 and first
By the first microwave coaxial transmission line 7a connections, the coupling 8b of sweep check module 6 and second is passed by the first microwave coaxial
Defeated line 7b connections；
Data processing and control module A and microwave test module B realize detection control sum by the connection of data line 5
According to transmission, digital signal processor 1 sends control instruction to sweep check module 6, sets its swept frequency range, points and power,
And amplitude/frequency data of sweep check are fed back into digital signal processor 1, then become according to resonance frequency deviation and dielectric constant
The function and Lichtenecker logarithm rules of change amount calculate material composition ratio.
Different materials detection hole is corresponding with different materials loss respectively.
The present embodiment provides a kind of liquid and dusty material ingredient analysis method based on the resonance method, utilizes the microwave of perforate
Resonator, according to the different detection holes of spillage of material different choice, passes through resonator, based on warp by liquid or dusty material delivery pipe
Field distribution in allusion quotation perturbation algorithm and the resonator of different modes of resonance, calculates different modes of resonance inferior by experimental analysis
Complex dielectric permittivity variable quantity and the function of resonance frequency deviation are imitated, function, which is directly substituted into Lichtenecker logarithm rules formula, to be calculated
Material composition ratio.
Liquid and dusty material ingredient analysis method based on the resonance method, are detected using said detecting system, including
Following steps：
1) material delivery tubes place or mounting material detection hole 9a-9c in one；
2) power supply is connected, if relay indicating light is bright, illustrates that system is normal, material tests can be carried out；
3) correct test port is selected in software and successfully opened, when not adding detected materials, first calibrated；
4) liquid or dusty material are added, waits about 10 seconds, is tested again after material is uniform and stable, testing result
Display in real time；
5) External memory equipment is inserted, selection preserves data.
The operation principle of the present invention is as follows：
The resonator that the system is used is operated in TM0n0 patterns, and cavity internal electric field and Distribution of Magnetic Field are shown in accompanying drawing 3, and contrast is treated
Before and after material of measuring and monitoring the growth of standing timber is added, resonant frequency and quality factor change can analyze biased sample material using classical perturbation algorithm
With respect to the functional relation of complex dielectric permittivity variable quantity and resonance frequency deviation, and according to field distribution in the resonators of different modes of resonance,
Set up under different modes of resonance, equivalent complex dielectric permittivity variable quantity and the function of resonance frequency deviation.
Lichtenecker logarithm rules are to be applied to the logarithm rule that multiphase mixture microwave complex dielectric constant is calculated.When
The composition material of each in mixture is all isotropism, symmetrical, uniform perfect medium, and the material of each composition is mixed uniformly
Under the premise of, Lichtenecker logarithms rule can be expressed as：
Wherein, εiRepresent the relative complex dielectric permittivity of i-th kind of medium in mixture, viRepresent i-th kind of material in mixture
Volume fraction shared by material, ε represents the relative complex dielectric permittivity of biased sample material.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, all those of ordinary skill in the art without departing from disclosed spirit with being completed under technological thought
All equivalent modifications or change, should by the present invention claim be covered.
Claims (4)
1. a kind of liquid and dusty material composition on-line detecting system based on the resonance method, it is characterised in that：Including data processing
And control module A and microwave test module B；
The data processing and control module include digital signal processor (1), external storage (2), key panel (3) and shown
Display screen (4)；
Described Microwave Detector includes sweep check module (6), microwave coaxial transmission line (7a-7b), resonant cavity (10),
Resonator (10) is provided with material tests hole (9a-9c), and resonator (10) edge is provided with coupling (8a, 8b), data signal
Processor (1) is connected with external storage (2), key panel (3), display screen (4), sweep check module (6) respectively, sweep check
Module (6) and the first coupling (8a) are connected by the first microwave coaxial transmission line (7a), sweep check module (6) and second
Coupling (8b) is connected by the first microwave coaxial transmission line (7b)；
Data processing and control module A and microwave test module B realize detection control and data by data line (5) connection
Transmission, digital signal processor (1) sends control instruction and gives sweep check module (6), sets its swept frequency range, points and work(
Rate, and amplitude/frequency data of sweep check are fed back into digital signal processor (1), then according to resonance frequency deviation and dielectric
The function and Lichtenecker logarithm rules of constant variable quantity calculate material composition ratio.
2. liquid according to claim 1 and dusty material composition on-line detecting system, it is characterised in that：Different materials are examined
Gaging hole is corresponding with different materials loss respectively.
3. a kind of liquid and dusty material ingredient analysis method based on the resonance method, it is characterised in that：It is humorous using the microwave of perforate
Shake chamber, according to the different detection holes of spillage of material different choice, liquid or dusty material delivery pipe is passed through into resonator, based on classics
Field distribution in perturbation algorithm and the resonator of different modes of resonance, is calculated equivalent under different modes of resonance by experimental analysis
Function, is directly substituted into Lichtenecker logarithm rules formula and calculates material by complex dielectric permittivity variable quantity and the function of resonance frequency deviation
Expect component ratio.
4. a kind of liquid and dusty material ingredient analysis method based on the resonance method, using the detection system described in claim 1 or 2
System is detected, it is characterised in that comprised the following steps：
1) material delivery tubes place or mounting material detection hole (9a-9c) in one；
2) power supply is connected, if relay indicating light is bright, illustrates that system is normal, material tests can be carried out；
3) correct test port is selected in software and successfully opened, when not adding detected materials, first calibrated；
4) liquid or dusty material are added, waits 10 seconds, is tested again after material is uniform and stable, testing result shows in real time
Show；
5) External memory equipment is inserted, selection preserves data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284602.8A CN107014833A (en) | 2017-04-25 | 2017-04-25 | Liquid and dusty material composition on-line detecting system and method based on the resonance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284602.8A CN107014833A (en) | 2017-04-25 | 2017-04-25 | Liquid and dusty material composition on-line detecting system and method based on the resonance method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107014833A true CN107014833A (en) | 2017-08-04 |
Family
ID=59447037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284602.8A Pending CN107014833A (en) | 2017-04-25 | 2017-04-25 | Liquid and dusty material composition on-line detecting system and method based on the resonance method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107014833A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089061A (en) * | 2017-12-15 | 2018-05-29 | 湖南科技大学 | Suitable for the Terahertz markless detection method and apparatus of biochemistry fluid sample |
| CN110596463A (en) * | 2019-09-20 | 2019-12-20 | 电子科技大学 | Coaxial measuring device, testing system and method for measuring dielectric constant of medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064548A (en) * | 1992-04-03 | 1992-09-16 | 石油大学(北京) | Automatic measuring system for dielectric constant of rock |
| JPH1082745A (en) * | 1996-09-06 | 1998-03-31 | Oji Paper Co Ltd | Method and equipment for measuring crystallization degree |
| HK1006038A1 (en) * | 1991-04-30 | 1999-02-05 | Alaris Medical Syst Inc | In-line fluid monitor system and method |
| CN1274083A (en) * | 2000-05-09 | 2000-11-22 | 西安电子科技大学 | Method for measuring complex dielectric constant of solid dielectric medium |
| CN201663219U (en) * | 2010-04-23 | 2010-12-01 | 电子科技大学 | Cylindrical waveguide resonant cavity |
| CN104237648A (en) * | 2013-06-24 | 2014-12-24 | 电子科技大学 | Novel method for testing microwave complex permittivity of high-loss liquid and powder materials |
-
2017
- 2017-04-25 CN CN201710284602.8A patent/CN107014833A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HK1006038A1 (en) * | 1991-04-30 | 1999-02-05 | Alaris Medical Syst Inc | In-line fluid monitor system and method |
| CN1064548A (en) * | 1992-04-03 | 1992-09-16 | 石油大学(北京) | Automatic measuring system for dielectric constant of rock |
| JPH1082745A (en) * | 1996-09-06 | 1998-03-31 | Oji Paper Co Ltd | Method and equipment for measuring crystallization degree |
| CN1274083A (en) * | 2000-05-09 | 2000-11-22 | 西安电子科技大学 | Method for measuring complex dielectric constant of solid dielectric medium |
| CN201663219U (en) * | 2010-04-23 | 2010-12-01 | 电子科技大学 | Cylindrical waveguide resonant cavity |
| CN104237648A (en) * | 2013-06-24 | 2014-12-24 | 电子科技大学 | Novel method for testing microwave complex permittivity of high-loss liquid and powder materials |
Non-Patent Citations (3)
| Title |
|---|
| 国家标准局: "《中华人民共和国国家标准 GB7265.2-87》", 13 February 1987, 中国标准出版社 * |
| 张志雄: "酒精度微扰法在线检测系统", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 郑永春等: "微扰法测量干燥岩矿样品复介电常数", 《地球科学—中国地质大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089061A (en) * | 2017-12-15 | 2018-05-29 | 湖南科技大学 | Suitable for the Terahertz markless detection method and apparatus of biochemistry fluid sample |
| CN108089061B (en) * | 2017-12-15 | 2019-11-08 | 湖南科技大学 | Terahertz markless detection method and apparatus suitable for biochemistry fluid sample |
| CN110596463A (en) * | 2019-09-20 | 2019-12-20 | 电子科技大学 | Coaxial measuring device, testing system and method for measuring dielectric constant of medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105137199B (en) | The dielectric permittivity measuring method of Excavation Cluster Based on Network Analysis instrument | |
| Topp et al. | Impacts of the real and imaginary components of relative permittivity on time domain reflectometry measurements in soils | |
| Kraszewski | Microwave aquametry-needs and perspectives | |
| Ganchev et al. | Calibration and measurement of dielectric properties of finite thickness composite sheets with open-ended coaxial sensors | |
| CN107490727A (en) | A kind of dielectric constant measurement method of composite microwave sensor and measured object | |
| US6617861B1 (en) | Apparatus and method for measuring and monitoring complexpermittivity of materials | |
| Ihamouten et al. | On variants of the frequency power law for the electromagnetic characterization of hydraulic concrete | |
| CN109669075A (en) | The lossless reflectance measurement methods of medium complex dielectric permittivity based on open rectangle waveguide | |
| Szypłowska et al. | Soil complex dielectric permittivity spectra determination using electrical signal reflections in probes of various lengths | |
| CN107014833A (en) | Liquid and dusty material composition on-line detecting system and method based on the resonance method | |
| CN105699787A (en) | Coal rock dielectric constant measure method based on impedance analyzer | |
| WO2020185453A1 (en) | Multiphase flow meter combining extended throat venturi with microwave resonators | |
| Western et al. | A calibration and temperature correction procedure for the water‐content reflectometer | |
| Bhunjun et al. | Sensor system for contactless and online moisture measurements | |
| CN105486932B (en) | A kind of 180 degree mixing ring dielectric constant measuring apparatus | |
| CN104458833B (en) | A kind of humidity sensor test data analytic method based on Time Domain Reflectometry principle | |
| JP2019100912A (en) | Identification device of substance using electromagnetic wave and identification method | |
| CN104964991B (en) | Microwave radar main frame for radar type microwave water measurer device | |
| CN109596895A (en) | A kind of high portability balanced type microwave-medium sensor | |
| Kon et al. | Dynamic measurements of moisture content using microwave signal and its verification | |
| Kon et al. | Dynamic measurement of moisture content using microwaves for moisture evaluation of agricultural products | |
| Wang et al. | Eliminating the influence of moisture on solid concentration measurement in gas–solid flows using combined sensors | |
| US8754657B2 (en) | Determination of water cut and salinity using a coincidence function | |
| Mohammadi et al. | Development of microcontroller-based microwave system to measure solid content of hevea rubber latex | |
| CN108656330A (en) | Concrete prefabricated element maintenance monitoring and quality evaluating method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170804 |