CN105004768B - Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue - Google Patents
Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue Download PDFInfo
- Publication number
- CN105004768B CN105004768B CN201510066346.6A CN201510066346A CN105004768B CN 105004768 B CN105004768 B CN 105004768B CN 201510066346 A CN201510066346 A CN 201510066346A CN 105004768 B CN105004768 B CN 105004768B
- Authority
- CN
- China
- Prior art keywords
- mrow
- drip chamber
- phenylthiourea
- msup
- disk
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The present invention relates to a kind of phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue.Solve the problems, such as existing high using concentration analyzer cost.Device includes collecting work platform, collecting unit, converting unit and processing unit, collecting work platform includes pedestal, disk is provided with pedestal, multiple liquid storage cylinders are provided with disk, the side lower part of disk one is provided with drip chamber, drip chamber bottom is provided with liquid droping head, standing groove is provided with the lower section pedestal of liquid droping head, collecting unit includes cell battery lead plate and SAW resonator, cell battery lead plate is located in standing groove, SAW resonator is connected with converting unit, and converting unit is connected with processing unit.It is an advantage of the invention that a variety of solution concentrations can be detected by simple in construction, low manufacture cost automatically, it is easy to operate, while reduce operating personnel's workload, save the time.Detection process is convenient and swift, and precision is high.
Description
Technical field
The present invention relates to a kind of solution concentration detection technology, is given birth to more particularly, to one kind based on surface acoustic wave series resonator
The phenylthiourea concentration analysis device of thing tongue, and the phenylthiourea concentration analysis based on surface acoustic wave series resonator biology tongue
Method.
Background technology
It is frequently necessary to detect the concentration of solution in the lab, when detecting solution concentration, usually using special
Concentration analyzer detection, but concentration analyzer is expensive, is also required to members up to ten thousand at least, this considerably increases experimental cost.
Therefore, it is necessary to a kind of simple in construction, swift to operate, cheap concentration detection apparatus of cost is designed, and the detection means
Detection method.
The content of the invention
The present invention mainly solves the problems, such as high using concentration analyzer cost in the prior art, there is provided a kind of structure letter
It is single, swift to operate, the low phenylthiourea concentration analysis device based on surface acoustic wave series resonator biology tongue of cost.
Present invention also offers a kind of phenylthiourea swift to operate based on surface acoustic wave series resonator biology tongue is dense
Spend analysis method.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：One kind is based on surface acoustic wave
The phenylthiourea concentration analysis device of series resonator biology tongue, including collecting work platform, collecting unit, converting unit and processing
Unit, the collecting work platform include base, and rotary setting has disk on base, and the center of circle is provided with multiple storages on disk
Sap cavity, the side lower part of disk one is provided with drip chamber, the drip chamber top is in contact with disk bottom, set in fluid reservoir bottom
Liquid outlet is equipped with, the first magnetic valve is provided with liquid outlet, liquid outlet position is corresponded at the top of drip chamber and is provided with inlet,
Liquid droping head is provided with the drip chamber bottom, wiper mechanism and drainage mechanism are provided with drip chamber, in the lower section of liquid droping head
Standing groove is provided with base, the collecting unit includes the cell battery lead plate and SAW resonator being connected, cell electricity
Pole plate is located in standing groove, and the SAW resonator is connected with converting unit, and converting unit is connected with processing unit.This
Invention collecting work platform automatically drips to various concentrations solution on cell battery lead plate respectively to be detected, and SAW resonator is adopted
Collect reaction information on cell battery lead plate, converting unit is output in the form of frequency and is turned, converting unit collection surface acoustic wave resonance
The frequency signal of device, and be converted into data signal and be sent to processing unit, processing unit carries out resonance to data signal and handled
To output signal-to-noise ratio value.Output signal-to-noise ratio value corresponding with N number of data signal difference is obtained after being detected to various concentrations solution,
Then solution concentration forecast model is obtained according to fitting a straight line.Can place a variety of strength solutions on disk, and according to setting every
A period of time rotates and a liquid storage luminal solution is added in drip chamber.Drip chamber drips to solution on cell battery lead plate,
Surplus solution can be discharged after a kind of strength solution detects and drip chamber can be cleaned.The present invention can be automatically to difference
The concentration of strength solution is analyzed, simple to operate, waited for always without operating personnel side and manually change detect it is molten
Liquid, operating personnel's workload is alleviated, has saved the time.Drip chamber of the present invention has cleaning function, when by a kind of the molten of concentration
After liquid discharge, wiper mechanism can be passed through water and be cleaned, and is passed through gas and dried up, and ensure that another strength solution enters
It will not be mixed during drip chamber with remaining liq before so that will not changing for solution concentration, ensure that ultimate analysis data
Accuracy.
As a kind of preferred scheme, the wiper mechanism includes the water inlet and air inlet with being connected inside drip chamber, enters
The mouth of a river is connected with water tank, and air inlet is connected with air pump, and entering water electromagnetic valve and air inlet are respectively arranged with water inlet and air inlet
Magnetic valve, the drainage mechanism include being arranged on the discharge outlet of drip chamber bottom, and drain solenoid valve is provided with discharge outlet.Clearly
Washing machine structure cleans to drip chamber.Discharge outlet is opened during cleaning, being passed through clear water by water inlet enters water-filling cleaning, after water cleaning
Air is passed through to being dried in drip chamber by air inlet, this solution for add afterwards will not mix with Liquid Residue before
Close so that solution concentration will not change, and ensure the accuracy of analysis result.
As a kind of preferred scheme, the liquid droping head is connected by micro pump with drip chamber.By micro pump by dropping liquid
Indoor solution is dropped on cell battery lead plate according to set amount and time.
As a kind of preferred scheme, oxygenation rabbling mechanism is provided with drip chamber, oxygenation rabbling mechanism includes rotating shaft, turns
Pipeline is provided with axle, the rotating shaft is connected with water inlet and air inlet, is connected with stirring pipe in rotating shaft, in stirring pipe
Meta, which installs, is equipped with shaft seat, and stirring pipe, according in rotating shaft, forms T-type structure, stirring pipe is hollow seal by shaft seat
Pipe, stirring pipe are connected with rotating shaft, some first stomatas are provided with termination one end of stirring pipe, in the other end of stirring pipe
Head is provided with some second stomatas on the side opposite with the first stomata.Air is passed into drip chamber by oxygenation rabbling mechanism
In solution, increase the oxygen content of solution, while being passed through air can drive stirring pipe to be rotated, and solution can be stirred,
So that solution preferably mixes with air, increase oxygen content, after such solution is dripped on cell battery lead plate, cell battery lead plate can be made
On cell survival it is more preferable, survival the life-span it is longer, ensure that detection data accuracy.
As a kind of preferred scheme, the spacing edge of a circle is provided with the lower edge of the disk side, in the dropping liquid ceiling
Limited block is provided with portion, limited block surface is arcwall face, and limited block surface is affixed closely with disk side, on limited block surface
Stopper slot is correspondingly arranged on, spacing edge is embedded in stopper slot.Spacing edge and stopper slot ensure that disk is in contact with drip chamber, circle
Disk does not deviate by position when rotating so that liquid outlet aligns with inlet.
As a kind of preferred scheme, working electrode is provided with the cell battery lead plate, to electrode and two reference electricity
Pole, the front end of the working electrode is circle, and the circular portion is made of foam copper, and is also coated with one on these foam coppers
Layer Gold plated Layer, cell is attached on working electrode front end, described to surround working electrode front end to the front end of electrode and reference electrode
Set, and in working electrode, to being coated with one layer of painting layer on the front end outer portion of electrode and reference electrode.Electrode is using bubble
Foam copper into, foam copper is equally distributed three-dimensional netted pore structure, and it has the network structure of multi-layer stable and is completely embedded,
Network structure is unlikely to deform and collapsed.This enables cell to enter foam copper inside configuration so that cell can preferably adhere to
On electrode.Gold plated Layer is lower compared to foam Copper electrodissolution, with cells contacting so that cytoactive is more preferable, also causes detection sensitivity
More preferably.
As a kind of preferred scheme, described erect on base is provided with electric rotating machine, and the disk is arranged on electric rotating
In the rotating shaft of machine, axle sleeve is provided with outside electric rotating machine rotating shaft, the drip chamber is fixed on axle sleeve.
A kind of phenylthiourea concentration analysis based on surface acoustic wave series resonator biology tongue, comprises the following steps：
Step 1：Phenylthiourea solution is placed in liquid storage cylinder relative with drip chamber in disk, then by liquid storage cylinder
Interior solution injects drip chamber；Liquid storage cylinder is relative with drip chamber, i.e. the liquid outlet of fluid reservoir and the inlet of drip chamber aligns.
Step 2：By micro pump to dropping liquid on cell battery lead plate, each dropping liquid amount is set as 0.05ml, during dropping liquid interval
Between be 3.5 seconds, dropping liquid number is 100 times, after dropping liquid terminates, discharges surplus solution in drip chamber and carries out cleaning to drip chamber and blow
It is dry；Drain solenoid valve is opened, the surplus solution in drip chamber is discharged, drain solenoid valve is closed after discharge.Then water inlet is opened
Magnetic valve is passed through clear water, opens drain solenoid valve again to being rinsed in drip chamber, after cleaning and carries out draining.Close water inlet electromagnetism
Valve, air inlet electromagnetic valve is opened, gas is passed through to carrying out drying processing in drip chamber, finally closes drain solenoid valve.
Step 3：Signal on SAW resonator collection cell battery lead plate exports in the frequency form, converting unit pair
Frequency signal carries out being converted to frequency curve, is then delivered on processing unit, processing unit up-samples in frequency curve
To input value S (t)；Input value S (t) is substituted into second-order linear system accidental resonance model, the model is：
And second-order linearity coefficient accidental resonance model is set to resonate；Wherein x (t) is vibration particle displacement, and Ω is angular frequency, r
It is respectively the frequency of the attenuation coefficient and linear oscillator particle set with ω, c is the signal adjustment coefficient of setting, and b is setting
Quadratic noise ξ2(t) coefficient, ξ (t) are three discrimination noises, and ξ (t) ∈ {-a, 0, a }, a ＞ 0, the dismutation of noise follows Poisson
Distribution, its probability distribution is ps(a)=ps(- a)=q, ps(0)=1-2q, wherein 0<q<0.5；Noise average follows with correlation
<ξ(t)>=0,<ξ(t)ξ(t+τ)>=2qa2e-λτ；λ is correlation ratio, and three discrimination noise ξ (t) glacing flatness is
Obtain the output signal-to-noise ratio value of solution
Step 4：Output signal-to-noise ratio value is substituted into phenylthiourea solution concentration forecast model：
Calculate the concentration of phenylthiourea solution.
As a kind of preferred scheme, the phenylthiourea solution concentration forecast model is calculated by following steps：
Step a：The phenylthiourea solution of deployed a variety of concentration respectively, phenylthiourea solution is respectively put into disk
In liquid storage cylinder, at the same in processor input corresponding to each phenylthiourea solution concentration value k1,k2,...,kN；N is molten to detect
The quantity of liquid.
Step b：Liquid storage luminal solution relative with drip chamber in disk is injected into drip chamber, according to step 2 and three, obtained
To the output signal-to-noise ratio value of solution；
Step c：Rotating circular disc, make next liquid storage cylinder relative with drip chamber, repeat step b, so until institute on disk
There is solution all to be detected, last processor obtains the output signal-to-noise ratio value SNR of these corresponding solution1,SNR2,...,SNRN, so
The solution concentration k corresponding to afterwards1,k2,...,kN, utilize (k1,SNR1),(k2,SNR2),...,(kN,SNRN) be fitted to directly
Line, phenylthiourea solution concentration forecast model is drawn according to the straight line of fitting：
Therefore, it is an advantage of the invention that：It is simple in construction, low manufacture cost, a variety of solution concentrations can be examined automatically
Survey, it is easy to operate, while reduce operating personnel's workload, save the time.Detection process is convenient and swift, and precision is high.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural frames diagram of the present invention；
Accompanying drawing 2 is a kind of structural representation of collecting work platform in the present invention；
Accompanying drawing 3 is a kind of structural representation of oxygenation rabbling mechanism in the present invention；
Accompanying drawing 4 is a kind of structural representation of cell battery lead plate in the present invention.
1- collecting work platform 2- collecting unit 3- converting unit 4- processing unit 5- SAW resonator 6- cells
Battery lead plate 7- base 8- disk 9- liquid storage cylinder 10- drip chamber 11- standing groove 12- liquid outlet 13- liquid outlet electromagnetic valves 14-
Inlet 15- liquid droping head 16- air inlet 17- air inlet electromagnetic valve 18- water inlet 19- entering water electromagnetic valve 20- discharge outlet
21- drain solenoid valve 22- electric rotating machine 23- axle sleeve 24- micro pump 25- rotating shaft 26- stirring pipe 27- shaft seats 28-
One the second stomatas of stomata 29- 30- it is spacing along 31- working electrodes 32- to electrode 33- reference electrode 34- painting layers
35- stopper slots
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
A kind of phenylthiourea concentration analysis device based on surface acoustic wave series resonator biology tongue of the present embodiment, includes
Collecting work platform 1, collecting unit 2, converting unit 3 and processing unit 4.
As shown in Fig. 2 collecting work platform includes base 7, it is vertically-mounted on base to have electric rotating machine 22, electric rotating machine
Rotating shaft on be provided with disk 8, be provided with axle sleeve 23 outside the rotating shaft of electric rotating machine.It is evenly arranged with disk around the center of circle multiple
For placing the liquid storage cylinder 9 of solution, the bottom of disk side is provided with drip chamber 10, drip chamber is fixedly connected on axle sleeve,
The top of drip chamber is in contact with disk bottom.It is spacing along 30 that a circle is provided with the lower edge of disk side, at the top of drip chamber
On be provided with limited block, limited block surface is arcwall face, and limited block surface is affixed closely with disk side, right on limited block surface
Stopper slot 35 should be provided with, spacing edge is embedded in stopper slot.
The bottom of liquid storage cylinder is provided with liquid outlet 12, liquid outlet electromagnetic valve 13 is provided with liquid outlet, in fluid reservoir
Top corresponds to liquid outlet position and is provided with inlet 14, and inlet diameter is more than liquid outlet diameter.Set on the bottom of drip chamber
Liquid droping head 15 is equipped with, micro pump 24 is provided with liquid droping head, by micro pump with being connected inside drip chamber.
Wiper mechanism and drainage mechanism are provided with drip chamber, wiper mechanism includes water inlet 18 and air inlet 16, entered
Gas port and water inlet converge into a pipeline and then with being connected inside drip chamber.Entering water electromagnetic valve 19 is provided with water inlet, is entered
The mouth of a river is connected by pipeline with water tank, and water pump is provided with pipeline.Be provided with air inlet electromagnetic valve 17 on air inlet, air inlet with
Air pump is connected.Drainage mechanism includes being arranged on the discharge outlet 20 of drip chamber bottom, and drain solenoid valve is provided with discharge outlet
21。
Oxygenation rabbling mechanism is additionally provided with drip chamber, as shown in figure 3, oxygenation rabbling mechanism includes rotating shaft 25, rotating shaft
Pipeline is inside provided with, pipeline is connected with water inlet and air inlet in rotating shaft, and stirring pipe 26 is connected with rotating shaft, stirring pipe
Centre position is provided with shaft seat 27, and stirring pipe is arranged in rotating shaft by shaft seat, forms T-type structure, and stirring pipe is hollow
Seal pipe, stirring pipe are connected with rotating shaft.Some first stomatas 28 are provided with termination one end of stirring pipe, in stirring pipe
Some second stomatas 29 are provided with the side opposite with the first stomata of another termination.
Standing groove 11 is provided with liquid droping head lower base, trench bottom is placed and is provided with delivery port.
Collecting unit includes cell battery lead plate 6 and SAW resonator 5, cell battery lead plate connection sound surface bag resonator
On.During operation, cell battery lead plate is placed in the standing groove of collecting work platform.As shown in figure 1, SAW resonator and conversion
Unit is connected, and converting unit is connected with processing unit, and power supply is connected with SAW resonator.As shown in figure 4, cell
Working electrode 31 is provided with battery lead plate, to electrode 32 and two reference electrodes 33.The front end of working electrode is circular, the circle
Part is made of foam copper, and one layer of Gold plated Layer is also coated with these foam coppers, and cell is attached on working electrode front end,
The front end of electrode and reference electrode is set around working electrode front end, and in working electrode, to electrode and reference electrode
One layer of painting layer 34 is coated with the outer portion of front end.
Based on the phenylthiourea concentration analysis of surface acoustic wave series resonator biology tongue, comprise the following steps：
Step 1：Phenylthiourea solution is placed in liquid storage cylinder relative with drip chamber in disk, then by liquid storage cylinder
Interior solution injects drip chamber.
Step 2：By micro pump to dropping liquid on cell battery lead plate, each dropping liquid amount is set as 0.05ml, during dropping liquid interval
Between be 3.5 seconds, dropping liquid number be 100 times.After dropping liquid terminates, drain solenoid valve is opened, the surplus solution in drip chamber is discharged,
Drain solenoid valve is closed after discharge.Then open entering water electromagnetic valve and be passed through clear water, to being rinsed in drip chamber, beaten again after cleaning
The water solenoid valve that begins to rehearse carries out draining.Entering water electromagnetic valve is closed, air inlet electromagnetic valve is opened, is passed through gas to being dried up in drip chamber
Processing, finally closes drain solenoid valve.
Step 3：Signal on SAW resonator collection cell battery lead plate exports in the frequency form, converting unit pair
Frequency signal carries out being converted to frequency curve, is then delivered on processing unit, processing unit up-samples in frequency curve
To input value S (t)；Input value S (t) is substituted into second-order linear system accidental resonance model, the model is：
And second-order linearity coefficient accidental resonance model is set to resonate；Wherein x (t) is vibration particle displacement, and Ω is angular frequency, r
It is respectively the frequency of the attenuation coefficient and linear oscillator particle set with ω, c is the signal adjustment coefficient of setting, and b is setting
Quadratic noise ξ2(t) coefficient, ξ (t) are three discrimination noises, and ξ (t) ∈ {-a, 0, a }, a ＞ 0, the dismutation of noise follows Poisson
Distribution, its probability distribution is ps(a)=ps(- a)=q, ps(0)=1-2q, wherein 0<q<0.5；Noise average follows with correlation
<ξ(t)>=0,<ξ(t)ξ(t+τ)>=2qa2e-λτ；λ is correlation ratio, and three discrimination noise ξ (t) glacing flatness is
Obtain the output signal-to-noise ratio value of solution
Step 4：Output signal-to-noise ratio value is substituted into phenylthiourea solution concentration forecast model：
Calculate the concentration of phenylthiourea solution.
Wherein phenylthiourea solution concentration forecast model is calculated by following steps：
Step a：The phenylthiourea solution of deployed a variety of concentration respectively, phenylthiourea solution is respectively put into disk
In liquid storage cylinder, at the same in processor input corresponding to each phenylthiourea solution concentration value k1,k2,...,kN；
Step b：Liquid storage luminal solution relative with drip chamber in disk is injected into drip chamber, according to step 2 and three, obtained
To the output signal-to-noise ratio value of solution；
Step c：Rotating circular disc, make next liquid storage cylinder relative with drip chamber, repeat step b, so until institute on disk
There is solution all to be detected, last processor obtains the output signal-to-noise ratio value SNR of these corresponding solution1,SNR2,...,SNRN, so
The solution concentration k corresponding to afterwards1,k2,...,kN, utilize (k1,SNR1),(k2,SNR2),...,(kN,SNRN) be fitted to directly
Line, phenylthiourea solution concentration forecast model is drawn according to the straight line of fitting：
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although the terms such as collecting work platform, collecting unit, converting unit, processing unit have more been used herein, simultaneously
It is not excluded for the possibility using other terms.It is used for the purpose of more easily describing and explaining the sheet of the present invention using these terms
Matter；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (9)
- A kind of 1. phenylthiourea concentration analysis device based on surface acoustic wave series resonator biology tongue, it is characterised in that：Including Collecting work platform (1), collecting unit (2), converting unit (3) and processing unit (4), the collecting work platform include base (7), Rotary setting has disk (8) on base (7), is erect on the base (7) and is provided with electric rotating machine (22), the disk (8) in the rotating shaft of electric rotating machine (22), the center of circle is provided with multiple liquid storage cylinders (9) on disk (8), in disk (8) One side lower part is provided with drip chamber (10), and drip chamber (10) top is touched with disk (8) bottom connection, set in liquid storage cylinder bottom Liquid outlet (12) is equipped with, liquid outlet electromagnetic valve (13) is provided with liquid outlet (12), the corresponding liquid outlet at the top of drip chamber (10) (12) position is provided with inlet (14), and liquid droping head (15) is provided with drip chamber (10) bottom, is set in drip chamber (10) Wiper mechanism and drainage mechanism are equipped with, standing groove (11), the collecting unit are provided with the lower section base of liquid droping head (15) (2) the cell battery lead plate (6) and SAW resonator (5) being connected are included, cell battery lead plate (6) is located in standing groove (11) Interior, the SAW resonator (5) is connected with converting unit (3), and converting unit (3) is connected with processing unit (4).
- 2. the phenylthiourea concentration analysis device according to claim 1 based on surface acoustic wave series resonator biology tongue, It is characterized in that the wiper mechanism includes the water inlet (18) and air inlet (16) with being connected inside drip chamber (10), water inlet (18) it is connected with water tank, air inlet (16) is connected with air pump, is respectively arranged with water inlet (18) and air inlet (16) into water Magnetic valve (19) and air inlet electromagnetic valve (17), the drainage mechanism include being arranged on the discharge outlet (20) of drip chamber (10) bottom, Drain solenoid valve (21) is provided with discharge outlet (20).
- 3. the phenylthiourea concentration analysis device according to claim 1 based on surface acoustic wave series resonator biology tongue, It is characterized in that the liquid droping head (15) is connected by micro pump (24) with drip chamber (10).
- 4. the phenylthiourea concentration analysis device according to claim 2 based on surface acoustic wave series resonator biology tongue, It is characterized in that being provided with oxygenation rabbling mechanism in drip chamber (10), oxygenation rabbling mechanism includes rotating shaft (25), and rotating shaft (25) is interior Pipeline is provided with, the rotating shaft (25) is connected with water inlet (18) and air inlet (16), and stirring is connected with rotating shaft (25) Manage (26), the centre position of stirring pipe (26) is provided with shaft seat (27), and stirring pipe (26) is arranged on by shaft seat (27) to be turned On axle (25), T-type structure is formed, stirring pipe (26) is hollow seal pipe, and stirring pipe (26) is connected with rotating shaft (25), stirred Manage and be provided with some first stomatas (28) on the termination one end of (26), in another termination of stirring pipe (26) and the first stomata (28) Some second stomatas (29) are provided with opposite side.
- 5. the phenylthiourea concentration based on surface acoustic wave series resonator biology tongue according to claim 1 or 2 or 3 or 4 Analytical equipment, it is characterized in that the spacing edge of a circle (30) is provided with the lower edge of the disk (8) side, in the drip chamber (10) Limited block is provided with top, limited block surface is arcwall face, and limited block surface is mutually pressed close to disk (8) side, in limited block Stopper slot (35) is correspondingly arranged on surface, spacing edge (30) is embedded in stopper slot (35).
- 6. the phenylthiourea concentration based on surface acoustic wave series resonator biology tongue according to claim 1 or 2 or 3 or 4 Analytical equipment, it is characterized in that being provided with working electrode (31) on the cell battery lead plate (6), to electrode (32) and two references Electrode (33), the front end of the working electrode (31) is circle, and the circular portion is made of foam copper, and in these foam coppers On be also coated with one layer of Gold plated Layer, cell is attached on working electrode (31) front end, described to electrode (32) and reference electrode (33) Front end set around working electrode (31) front end, and before working electrode (31), to electrode (32) and reference electrode (33) One layer of painting layer (34) is coated with the outer portion of end.
- 7. the phenylthiourea concentration based on surface acoustic wave series resonator biology tongue according to claim 1 or 2 or 3 or 4 Analytical equipment, it is characterized in that being provided with axle sleeve (23) outside electric rotating machine (22) rotating shaft, the drip chamber (10) is fixed on axle sleeve (23) on.
- A kind of 8. phenylthiourea concentration analysis based on surface acoustic wave series resonator biology tongue, using claim 1-7 Device in any one, it is characterized in that comprising the following steps：Step 1：Phenylthiourea solution is placed in liquid storage cylinder relative with drip chamber in disk, then will be molten in liquid storage cylinder Liquid injects drip chamber；Step 2：By micro pump to dropping liquid on cell battery lead plate, each dropping liquid amount is set as 0.05ml, and dropping liquid interval time is 3.5 seconds, dropping liquid number was 100 times, after dropping liquid terminates, discharges surplus solution in drip chamber and carries out cleaning drying to drip chamber；Step 3：Signal on SAW resonator collection cell battery lead plate exports in the frequency form, and converting unit is to frequency Signal carries out being converted to frequency curve, is then delivered on processing unit, and processing unit up-samples to obtain defeated in frequency curve Enter value S (t)；Input value S (t) is substituted into second-order linear system accidental resonance model, the model is：<mrow> <mfrac> <mrow> <msup> <mi>d</mi> <mn>2</mn> </msup> <mi>x</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> </mrow> <mrow> <msup> <mi>dt</mi> <mn>2</mn> </msup> </mrow> </mfrac> <mo>+</mo> <mo>&lsqb;</mo> <mn>4</mn> <msup> <mi>r</mi> <mn>2</mn> </msup> <mo>+</mo> <mn>2</mn> <mi>&xi;</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> <mo>+</mo> <msup> <mi>b&xi;</mi> <mn>2</mn> </msup> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> <mo>&rsqb;</mo> <mfrac> <mrow> <mi>d</mi> <mi>x</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> <mo>+</mo> <msup> <mi>&omega;</mi> <mn>4</mn> </msup> <mi>x</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> <mo>=</mo> <mi>A</mi> <mi> </mi> <mi>c</mi> <mi>o</mi> <mi>s</mi> <mrow> <mo>(</mo> <mi>&Omega;</mi> <mi>t</mi> <mo>)</mo> </mrow> <mo>+</mo> <mi>c</mi> <mi>S</mi> <mrow> <mo>(</mo> <mi>t</mi> <mo>)</mo> </mrow> </mrow>And second-order linearity coefficient accidental resonance model is set to resonate；Wherein x (t) is vibration particle displacement, and Ω is angular frequency, r and ω The attenuation coefficient and the frequency of linear oscillator particle respectively set, c are the signal adjustment coefficients of setting, and b is the secondary of setting Noise ξ2(t) coefficient, ξ (t) are three discrimination noises, ξ (t) ∈ {-a, 0, a }, a ＞ 0, and the dismutation of noise follows Poisson point Cloth, its probability distribution are ps(a)=ps(- a)=q, ps(0)=1-2q, wherein 0<q<0.5；Noise average follows with correlation<ξ (t)>=0,<ξ(t)ξ(t+τ)>=2qa2e-λτ；λ is correlation ratio, and three discrimination noise ξ (t) glacing flatness is To the output signal-to-noise ratio value of solution<mrow> <mi>S</mi> <mi>N</mi> <mi>R</mi> <mo>=</mo> <mfrac> <mrow> <mi>r</mi> <mi>&lambda;</mi> <mi>&Omega;</mi> <mo>+</mo> <mn>2</mn> <msup> <mi>qa</mi> <mn>2</mn> </msup> <mi>b</mi> <mi>c</mi> <mrow> <mo>(</mo> <msup> <mi>&Omega;</mi> <mn>3</mn> </msup> <mo>-</mo> <mi>&Omega;</mi> <mo>)</mo> </mrow> </mrow> <mrow> <mn>1</mn> <mo>+</mo> <mn>2</mn> <msup> <mi>qa</mi> <mn>2</mn> </msup> <mi>b</mi> <mo>+</mo> <mn>5</mn> <mi>r</mi> <mo>-</mo> <msup> <mi>a</mi> <mn>2</mn> </msup> </mrow> </mfrac> <mo>;</mo> </mrow>Step 4：Output signal-to-noise ratio value is substituted into phenylthiourea solution concentration forecast model：<mrow> <msub> <mi>Con</mi> <mrow> <mi>P</mi> <mi>T</mi> </mrow> </msub> <mo>=</mo> <mfrac> <mrow> <mi>S</mi> <mi>N</mi> <mi>R</mi> <mo>-</mo> <mn>485.21</mn> </mrow> <mn>87.59</mn> </mfrac> <mo>,</mo> </mrow>Calculate the concentration of phenylthiourea solution.
- 9. the phenylthiourea concentration analysis according to claim 8 based on surface acoustic wave series resonator biology tongue, It is characterized in that the phenylthiourea solution concentration forecast model is calculated by following steps：Step a：The phenylthiourea solution of deployed a variety of concentration respectively, the liquid storage in disk is respectively put into by phenylthiourea solution Intracavitary, at the same in processor input corresponding to each phenylthiourea solution concentration value k1,k2,...,kN；Step b：Liquid storage luminal solution relative with drip chamber in disk is injected into drip chamber, according to step 2 and three, obtained molten The output signal-to-noise ratio value of liquid；Step c：Rotating circular disc, make next liquid storage cylinder relative with drip chamber, repeat step b, so until all molten on disk Liquid is all detected, and last processor obtains the output signal-to-noise ratio value SNR of these corresponding solution1,SNR2,...,SNRN, Ran Hougen According to corresponding solution concentration k1,k2,...,kN, utilize (k1,SNR1),(k2,SNR2),...,(kN,SNRN) fitting be in line, root Phenylthiourea solution concentration forecast model is drawn according to the straight line of fitting：<mrow> <msub> <mi>Con</mi> <mrow> <mi>P</mi> <mi>T</mi> </mrow> </msub> <mo>=</mo> <mfrac> <mrow> <mi>S</mi> <mi>N</mi> <mi>R</mi> <mo>-</mo> <mn>485.21</mn> </mrow> <mn>87.59</mn> </mfrac> <mo>.</mo> </mrow> 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066346.6A CN105004768B (en) | 2015-02-09 | 2015-02-09 | Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066346.6A CN105004768B (en) | 2015-02-09 | 2015-02-09 | Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004768A CN105004768A (en) | 2015-10-28 |
| CN105004768B true CN105004768B (en) | 2017-11-17 |
Family
ID=54377520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510066346.6A Expired - Fee Related CN105004768B (en) | 2015-02-09 | 2015-02-09 | Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105004768B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319810Y (en) * | 1998-01-20 | 1999-05-19 | 深圳市航创电子有限公司 | Full automatic serum bicarbonate analyser |
| US6599477B1 (en) * | 1997-08-20 | 2003-07-29 | Hitachi, Ltd. | Chemical analysis apparatus |
| TW200928356A (en) * | 2007-12-26 | 2009-07-01 | Ind Tech Res Inst | Automatic leaching test system with constant pH control |
| CN102426204A (en) * | 2011-09-20 | 2012-04-25 | 科迈化工股份有限公司 | Method for analyzing content of rubber accelerator thiocarbanilide |
| CN103424440A (en) * | 2013-08-22 | 2013-12-04 | 浙江工商大学 | Device and method for online detection of water content of plant leaves |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040191918A1 (en) * | 2003-03-28 | 2004-09-30 | Sandrine Isz | Evaluation of bitterness of active drugs |
| CN104089996A (en) * | 2014-01-17 | 2014-10-08 | 浙江工商大学 | Taste cell sensor using surface acoustic wave resonator and preparation method thereof |
| CN204044164U (en) * | 2014-06-23 | 2014-12-24 | 珠海森龙生物科技有限公司 | Mini-clinical biochemical analyzer |
-
2015
- 2015-02-09 CN CN201510066346.6A patent/CN105004768B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6599477B1 (en) * | 1997-08-20 | 2003-07-29 | Hitachi, Ltd. | Chemical analysis apparatus |
| CN2319810Y (en) * | 1998-01-20 | 1999-05-19 | 深圳市航创电子有限公司 | Full automatic serum bicarbonate analyser |
| TW200928356A (en) * | 2007-12-26 | 2009-07-01 | Ind Tech Res Inst | Automatic leaching test system with constant pH control |
| CN102426204A (en) * | 2011-09-20 | 2012-04-25 | 科迈化工股份有限公司 | Method for analyzing content of rubber accelerator thiocarbanilide |
| CN103424440A (en) * | 2013-08-22 | 2013-12-04 | 浙江工商大学 | Device and method for online detection of water content of plant leaves |
Non-Patent Citations (2)
| Title |
|---|
| 《基于自适应随机共振的瓦斯检测方法研究》;付华 等;《压电与声光》;20130831;第35卷(第4期);467-472页,477页 * |
| 《声表面波传感器在液相检测中的应用》;樊海涛;《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑（季刊）》;20040915(第03期);1-70页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105004768A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102426149B (en) | System for soil water and heat coupling test | |
| CN105021665B (en) | Phenylthiourea concentration detection apparatus and detection method based on biological tongue | |
| CN105004768B (en) | Phenylthiourea concentration analysis device and method based on surface acoustic wave series resonator biology tongue | |
| CN105004767B (en) | A kind of phenylthiourea solution concentration detector and method | |
| CN105021670B (en) | Cycloheximide concentration analysis device and method based on surface acoustic wave series resonator biology tongue | |
| CN105021667B (en) | Citric acid concentration analytical equipment and method based on surface acoustic wave series resonator biology tongue | |
| CN219024245U (en) | Biological aerosol generating device | |
| CN105116026A (en) | Analytical device and analytical method for quinine concentration based on surface acoustic wave in series with resonator biological tongue. | |
| CN207300365U (en) | A kind of rotary water meter detector | |
| CN105116027B (en) | Propylthiouracil (PTU) concentration analysis device and method based on surface acoustic wave series resonator biology tongue | |
| CN105092664B (en) | A kind of citric acid solution concentration detection apparatus and method | |
| CN111650342B (en) | Scale formation and descaling test platform for pressure-equalizing electrode of cold water system in converter valve | |
| CN210604031U (en) | Sampling extraction device for detecting oil content of injected water of offshore platform | |
| CN208235671U (en) | A kind of sewage vacuum collection device | |
| CN105021668B (en) | Cycloheximide concentration detection apparatus and detection method based on biological tongue | |
| CN208536918U (en) | A kind of survey wine degree device | |
| CN105021666B (en) | A kind of cycloheximide solution concentration detector and method | |
| CN112881628B (en) | Device for monitoring excretion rate of aquatic organisms in real time based on Internet of things technology | |
| CN105092665B (en) | A kind of propylthiouracil (PTU) solution concentration detector and method | |
| CN110470812A (en) | A kind of activated water evaluation method, activation water preparation apparatus and detection method | |
| CN105116025B (en) | A kind of quinine solution concentration detector and method | |
| CN214749705U (en) | Double-flow-path waterway system capable of simultaneously measuring TP and TN | |
| CN210465073U (en) | Novel high-precision liquid density meter | |
| CN204479130U (en) | Gas-metering device | |
| CN214952984U (en) | Full-automatic infrared oil detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20180209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |