CN1558227A - Liquid phase components analyzer for acoustic surface wave array transducer - Google Patents
Liquid phase components analyzer for acoustic surface wave array transducer Download PDFInfo
- Publication number
- CN1558227A CN1558227A CNA2004100159071A CN200410015907A CN1558227A CN 1558227 A CN1558227 A CN 1558227A CN A2004100159071 A CNA2004100159071 A CN A2004100159071A CN 200410015907 A CN200410015907 A CN 200410015907A CN 1558227 A CN1558227 A CN 1558227A
- Authority
- CN
- China
- Prior art keywords
- sensor
- liquid
- frequency
- acoustic wave
- surface acoustic
- 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.)
- Granted
Links
- 239000007791 liquid phase Substances 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 6
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 5
- 238000010897 surface acoustic wave method Methods 0.000 claims description 19
- 230000002572 peristaltic effect Effects 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 238000004458 analytical method Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000002242 deionisation method Methods 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 238000004549 pulsed laser deposition Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 230000003534 oscillatory effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 150000001455 metallic ions Chemical class 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000003321 atomic absorption spectrophotometry Methods 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000005387 chalcogenide glass Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The acoustic surface wave sensor liquid phase component analyzer consists of material feeding system, sensor and detection system, and its detection system is connected to the material feeding system via the sensor. The material feeding system adopts flow injecting method, and the sensor is acoustic surface wave delay line array sensor with sensing units prepared by means of pulse laser deposition filming technology. The instrument can detect the overall electric characteristic parameters of liquid and analyze the metal ion components in the liquid simultaneously. The present invention may be used in qualitative and quantitative detection of electric characteristics and metal ions of liquid in food production, industry, biomedicine and other fields.
Description
Affiliated technical field
The present invention relates to instrument, relate in particular to a kind of surface acoustic wave sensor array liquid phase analysis of components instrument with acoustic measurement while tracer liquid electrical characteristics and metallic ion composition.
Background technology
Heavy metal ion can produce harmful even fatal influence to human body, so the detection by quantitative of heavy metal has very important meaning at aspects such as medicine, food, clinical and environmental monitorings; The electrical characteristics (conductivity etc.) of liquid also are to describe an important parameter of liquid background value simultaneously.Present detection method (can only perform an analysis to heavy metal ion as atomic absorption spectrophotometry, mass spectroscopy, and the detection means complexity is definite, although salinometer, conductivity meter can be measured the electrical characteristics of liquid simultaneously, but also exist repeatability bad, the shortcoming of electrodes maintenance complexity.And do not have at present to be applied to the instrument that industry spot detects in real time.
Summary of the invention
The object of the present invention is to provide a kind of surface acoustic wave sensor array liquid phase analysis of components instrument, can do check and analysis to electrical characteristics and each metal ion species of liquid simultaneously.
In order to achieve the above object, the technical solution used in the present invention is: sampling device, peristaltic pump that it comprises computing machine, a n high-frequency oscillating circuits, a n-1 mixing low pass circuit, frequency meter, SAW (Surface Acoustic Wave) delay line sensor, waste liquid tank, is made up of sample liquid, deionization tank; Communication is connected computing machine with frequency meter, computing machine is connected a termination sampling device of peristaltic pump with the peristaltic pump circuit.Said sensor is to form 1 open channel by the piezoelectric substrate that exposes on 1 lag line on n the SAW (Surface Acoustic Wave) delay line sensor, by forming 1 short-channel with the piezoelectric substrate on 1 lag line of metal material short circuit, the film for preparing on the piezoelectric substrate on n-2 the lag line the different metal ion-sensitive by pulsed laser deposition technique forms n-2 responsive passage, and each responsive passage is produced on the same piezoelectric substrate by Y direction order parallel connection successively; The sealing ring of protection interdigital electrode is housed around on the lag line, the test chamber lid of liquid entrance is housed out on the sealing ring; The test chamber lid is imported and exported the emulsion pipe that passes through two ends respectively and is linked to each other with peristaltic pump and waste liquid tank; Each passage passes through separately, and the input and output interdigital electrode at two ends links to each other with the input and output of high-frequency oscillating circuits respectively, the signal of the signal of open channel and n-2 responsive passage links to each other with an input port of separately mixing low pass circuit respectively, another input port of all mixing low pass circuits and the signal of short-channel link to each other, and the n-1 of an acquisition difference frequency signal sends computing machine to after being detected by frequency meter.
The present invention compares with background technology, and the useful effect that has is: adopt surface acoustic wave sensor, make detection means little, signal disturbs little; Adopt the method for flow detection, can accomplish that required sample is few, it is convenient to measure, good reproducibility; Multichannel structure can be done to measure simultaneously to liquid electric performance and metallic ion.Therefore the present invention can carry out the qualitative and quantitative analysis of dynamic real-time to liquid electric performance and metallic ion in the fields such as (as blood, body fluid) in food, industry, biomedicine.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structure vertical view of sensor of the present invention;
Fig. 3 is the structure vertical view that adds the test chamber lid of sensor of the present invention;
Fig. 4 is an assembling synoptic diagram of the present invention;
Fig. 5 is the I-I ' cut-open view of Fig. 3;
Fig. 6 typical sensor dynamic response curve;
Fig. 7 is Fe
3+Responsive passage is to Fe
3+The response curve of ion concentration;
Fig. 8 is contrast experiment's curve of responsive passage and open channel;
Fig. 9 is the response curve of open channel to the total salinity of liquid;
Figure 10 is the response curve of open channel to the liquor alcoholic strength;
Figure 11 is the response curve of open channel to gasoline water mixing rate.
Among the figure: A is a computing machine, and B is a high-frequency oscillating circuits, and C is the mixing low pass circuit, and D is a frequency meter, E is the surface acoustic wave sensor array, and F is a waste liquid tank, and G is a sampling device, H is a peristaltic pump, and 1 is copper coin, and 2 is piezoelectric substrate, 3 is sealing ring, and 4 is the sensitive membrane material, and 5 is metal level, 6 is responsive passage, and 7 is short-channel, and 8 is open channel, 9 are the test chamber lid, and 10 is emulsion tube, and 11 is emulsion tube.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5: the sampling device G, the peristaltic pump H that comprise computer A, n high-frequency oscillating circuits B, n-1 mixing low pass circuit C, frequency meter D, surface acoustic wave sensor array E, waste liquid tank F, form by sample liquid, deionization tank; Communication is connected computer A with frequency meter, computer A is connected the termination sampling device of peristaltic pump H with control peristaltic pump circuit.Said sensor E is forming 1 open channel 8 by the piezoelectric substrate 2 that exposes on 1 lag line on n the SAW (Surface Acoustic Wave) delay line sensor, by forming 1 short-channel 7 with the piezoelectric substrate on 1 lag line of metal material short circuit 2, the film for preparing on the piezoelectric substrate 2 on n-2 the lag line the different metal sensitivity by pulsed laser deposition technique forms n-2 responsive passage 6, and each responsive passage is produced on the same piezoelectric substrate 2 by Y direction order parallel connection successively; The sealing ring 3 of protection interdigital electrode is housed around on the lag line, and sealing ring 3 is equipped with out the test chamber lid 9 of liquid entrance; Test chamber lid 9 is imported and exported 10, the 11 emulsion pipes that pass through two ends respectively and is linked to each other with peristaltic pump H and waste liquid tank F; Each passage passes through separately, and the input and output interdigital electrode at two ends links to each other with the input and output of high-frequency oscillating circuits B respectively, the signal of the signal of open channel and n-2 responsive passage links to each other with an input port of separately mixing low pass circuit respectively, another input port of all mixing low pass circuits and the signal of short-channel link to each other, and the n-1 of an acquisition difference frequency signal sends computing machine to after being detected by frequency meter.
A said n high-frequency oscillating circuits, a n surperficial sensor array of sound are 4.
Said high-frequency oscillating circuits B is the oscillatory circuit that MAX4118 makes, the voltage-controlled low-pass filter in 2 rank that multiplier that mixing low pass circuit C is made by MC1496 and MAX4118 make is formed, the model of frequency meter D is HP5316B, and computer A is by communication port and frequency meter D communication.
As shown in Figure 1, the course of work of system is as follows: start high-frequency oscillating circuits B, mixing low pass circuit C and frequency meter D work; Computer A is opened the deionization water valve, closes sample liquid valve, opens peristaltic pump H simultaneously, to the sensor E ionized water of entering; Treat that liquid enters fully that computer A behind the sensor E is opened and the communication of frequency meter D; Wait for that sensor is to stable (the deviation of reading scope in the 10s＜20Hz), perhaps control certain sample injection time (as 20s) of the response of deionized water; Open sample liquid valve then and close the deionization water valve,, wait for that sensor E is to stable (the deviation of reading scope in the 10s＜20Hz), perhaps control certain sample injection time (as 20s) of the response of sample liquid to sensor E sample introduction liquid.So just finished the one-time detection process.The liquid of outflow sensor E after tested flows to waste liquid tank F.Get sensor E the difference of both stable state frequency responses is the response to sample liquid, i.e. y=f (sample liquid)-f (water), as shown in Figure 6.
By 10
-2～10
-6The concentration of mol/l is 10 times of proportioning Fe (NO at interval
3)
3Solution is selected Fe
1.2(Ge
28Sb
12Se
60)
98.8Chalcogenide glass prepares the sensitive membrane material with pulsed laser deposition (PLD) technology on responsive passage.Be illustrated in figure 7 as the sensor sensing passage to above-mentioned concentration Fe (NO
3)
3The response curve of solution is illustrated in figure 8 as sensor sensing passage and open sensor passage to 10
-3Fe (the NO of mol/l
3)
3Solution contrast response curve.Responsive passage is to Fe (NO
3)
3Solution detects lower limit can reach 10
-5Mol/l.
Demarcate the KCl solution of 0.024S/m, 0.039S/m, 0.1S/m, 0.18S/m, 0.32S/m, 0.58S/m with conductivity meter, they are measured, can obtain curve as shown in Figure 9, be limited to 1.2 * 10 under the detection of sensor with open channel
-4S/m.
35 degree, 36 degree, 37 degree, 38 degree and 39 liquor of spending as sample liquid, are detected with open channel, can obtain curve as shown in figure 10.The detection sensitivity of sensor is the 1.5KHz/ degree, and accuracy of detection is 0.2 degree.
For edible oil, mix the back as sample liquid in water mixing ratio 2%, 5%, 10%, 15% and 20%, measure with the open channel of sensor, can obtain curve as shown in figure 11.Can effectively discern＞5% organic solution water mixing ratio.
Claims (3)
1, a kind of surface acoustic wave sensor array liquid phase analysis of components instrument, the sampling device (G), the peristaltic pump (H) that comprise computing machine (A), a n high-frequency oscillating circuits (B), a n-1 mixing low pass circuit (C), frequency meter (D), SAW (Surface Acoustic Wave) delay line sensor, waste liquid tank (F), form by sample liquid, deionization tank; Communication is connected computing machine (A) with frequency meter (D), computing machine (A) is connected a termination sampling device of peristaltic pump (H) with peristaltic pump (H) circuit; It is characterized in that: said sensor (E) is to form 1 open channel (8) by the piezoelectric substrate (2) that exposes on 1 lag line on n the SAW (Surface Acoustic Wave) delay line sensor, by forming 1 short-channel (7) with the piezoelectric substrate (2) on 1 lag line of metal material short circuit, go up preparation n-2 responsive passage (6) of film formation to the different metal ion-sensitive by the piezoelectric substrate (2) of pulsed laser deposition technique on n-2 lag line, each responsive passage is produced on the same piezoelectric substrate (2) by Y direction order parallel connection successively; The sealing ring (3) of protection interdigital electrode is housed around on the lag line, the test chamber lid (9) of liquid entrance is housed out on the sealing ring (3); Test chamber lid (9) is imported and exported (10, the 11) emulsion tube that passes through two ends respectively and is linked to each other with peristaltic pump (H) and waste liquid tank (F); Each passage passes through separately, and the input and output interdigital electrode at two ends links to each other with the input and output of high-frequency oscillating circuits (B) respectively, the signal of the signal of open channel and n-2 responsive passage links to each other with an input port of separately mixing low pass circuit (C) respectively, another input port of all mixing low pass circuits and the signal of short-channel link to each other, and the n-1 of an acquisition difference frequency signal sends computing machine (A) to after being detected by frequency meter (D).
2, a kind of surface acoustic wave sensor array liquid phase analysis of components instrument according to claim 1 is characterized in that: a said n high-frequency oscillating circuits, a n surperficial sensor array of sound are 4.
3, a kind of surface acoustic wave sensor array liquid phase analysis of components instrument according to claim 1, it is characterized in that: the oscillatory circuit that said high-frequency oscillating circuits (B) is made for MAX4118, the voltage-controlled low-pass filter in 2 rank that multiplier that mixing low pass circuit (C) is made by MC1496 and MAX4118 make is formed, the model of frequency meter (D) is HP5316B, and computing machine (A) is by communication port and frequency meter (D) communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015907 CN1239902C (en) | 2004-01-14 | 2004-01-14 | Liquid phase components analyzer for acoustic surface wave array transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015907 CN1239902C (en) | 2004-01-14 | 2004-01-14 | Liquid phase components analyzer for acoustic surface wave array transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1558227A true CN1558227A (en) | 2004-12-29 |
| CN1239902C CN1239902C (en) | 2006-02-01 |
Family
ID=34351588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410015907 Expired - Fee Related CN1239902C (en) | 2004-01-14 | 2004-01-14 | Liquid phase components analyzer for acoustic surface wave array transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1239902C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844909B (en) * | 2006-02-27 | 2010-06-30 | 中国人民解放军第三军医大学第一附属医院 | Leaky surface acoustic wave sensor |
| CN101968464A (en) * | 2010-09-26 | 2011-02-09 | 中国人民解放军第三军医大学第三附属医院 | Inverted liquid-phase acoustic surface wave detection device and array thereof |
| CN101467034B (en) * | 2006-06-15 | 2011-07-27 | 株式会社村田制作所 | Sensor for detecting substance in liquid |
| CN102788842A (en) * | 2012-07-03 | 2012-11-21 | 北京大学深圳研究生院 | Food safety rapid detection device using interactive weak ultrasonic |
| CN103196773A (en) * | 2013-04-03 | 2013-07-10 | 大连理工大学 | Device for online measuring stoichiometric proportions and ingredient masses of PLD (Pulsed Laser deposition) film |
| CN106645300A (en) * | 2016-11-26 | 2017-05-10 | 浙江大学 | Sensor for measuring salt content on surface of solid |
| CN108956760A (en) * | 2018-08-01 | 2018-12-07 | 京东方科技集团股份有限公司 | Detection device and detection system |
-
2004
- 2004-01-14 CN CN 200410015907 patent/CN1239902C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844909B (en) * | 2006-02-27 | 2010-06-30 | 中国人民解放军第三军医大学第一附属医院 | Leaky surface acoustic wave sensor |
| CN101467034B (en) * | 2006-06-15 | 2011-07-27 | 株式会社村田制作所 | Sensor for detecting substance in liquid |
| CN101968464A (en) * | 2010-09-26 | 2011-02-09 | 中国人民解放军第三军医大学第三附属医院 | Inverted liquid-phase acoustic surface wave detection device and array thereof |
| CN102788842A (en) * | 2012-07-03 | 2012-11-21 | 北京大学深圳研究生院 | Food safety rapid detection device using interactive weak ultrasonic |
| CN103196773A (en) * | 2013-04-03 | 2013-07-10 | 大连理工大学 | Device for online measuring stoichiometric proportions and ingredient masses of PLD (Pulsed Laser deposition) film |
| CN106645300A (en) * | 2016-11-26 | 2017-05-10 | 浙江大学 | Sensor for measuring salt content on surface of solid |
| CN108956760A (en) * | 2018-08-01 | 2018-12-07 | 京东方科技集团股份有限公司 | Detection device and detection system |
| US11585787B2 (en) | 2018-08-01 | 2023-02-21 | Boe Technology Group Co., Ltd. | Detection device, detection method for detection device, and detection system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1239902C (en) | 2006-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lead et al. | Characterizing colloidal material in natural waters | |
| Christian | Sequential injection analysis for electrochemical measurements and process analysis | |
| Mortensen et al. | A flow injection system based on chalcogenide glass sensors for the determination of heavy metals | |
| CN1239902C (en) | Liquid phase components analyzer for acoustic surface wave array transducer | |
| US4737465A (en) | Automated metal detection | |
| EP3332247A1 (en) | Apparatus and method for detecting trace metals with electrically conductive diamond electrodes | |
| CN110124761A (en) | Water environment multi-parameter electrochemical detection device and its detection method based on micro-fluidic chip | |
| Lai et al. | Development of a sequential injection analysis device and its application for the determination of Mn (II) in water | |
| CN109507264A (en) | Film surface Zeta potential automatic tester | |
| US4103229A (en) | Continuous-flow, resistive-particle counting apparatus | |
| US3997838A (en) | Apparatus and method for measurement of total volume of particles in a liquid sample | |
| CN109520993B (en) | Micro-fluidic detection device and method for food surface residues based on Raman spectrum | |
| CN103558126B (en) | The device and method of particle in Sequencing and analysis liquid | |
| CN1243977C (en) | Acoustic surface wave liquid phase array transducer and preparation method for sensitive membrane thereof | |
| US11971375B2 (en) | Method for detecting adsorption performance of microplastics for heavy metals using low-field NMR relaxation method | |
| CN105116032B (en) | Flow control reference electrode system and the biochemical analysis method for applying it | |
| CN110044867B (en) | In-situ collection and detection device and method for pesticide residues on surfaces of fruits | |
| CN101949817B (en) | Automatic filter membrane flux evaluation device and method | |
| EP2957916A1 (en) | Electroanalytical system and method for measuring analytes | |
| CN1721571A (en) | Method for preparing sensitive membrane on acoustic surface wave liquid phase array sensor | |
| EP0719409B1 (en) | Multi-sensor systems | |
| Matsumoto et al. | Conductometric flow injection analysis of the organic acid content in citrus fruits | |
| Zampronio et al. | Development of a potentiometric flow cell with a stainless steel electrode for pH measurements. Determination of acid mixtures using flow injection analysis | |
| CN109612890A (en) | A kind of particle counting system and application, the method for detecting metal ion and particle | |
| CN108627375A (en) | The method that heavy metal ion quickly detects |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060201 Termination date: 20120114 |