CN107688047B - A method of rear calibration calibration ion concentration - Google Patents
A method of rear calibration calibration ion concentration Download PDFInfo
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- CN107688047B CN107688047B CN201710711694.3A CN201710711694A CN107688047B CN 107688047 B CN107688047 B CN 107688047B CN 201710711694 A CN201710711694 A CN 201710711694A CN 107688047 B CN107688047 B CN 107688047B
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- ion concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
Abstract
The present invention provides the method for calibration calibration ion concentration after one kind, is related to ion detection instrument field, mainly comprises the steps that instrument is switched on；Carry out auto-scaling movement, according to auto-scaling successfully needed for number, after setting calibration interval and rear calibration voltage difference range；Into sample measures mode, calibration acts after progress, obtain reliable voltage, and it is used for auto-scaling voltage, the reliable voltage to calibrate ion concentration, when calibrating interval after arrival, calibration acts after carrying out again, obtains new reliable voltage, is used for auto-scaling voltage, reliable voltage and new reliable voltage to calibrate ion concentration.The present invention is a kind of method easy, that fast and accurately ion concentration is calibrated in calibration afterwards, it adapts to the changeable ion detection quasi-instrument of flow path environment, and manual operation is not necessarily in use process, the calibration results after instrument is judged automatically, and by rear the calibration results calibrate current sample voltage, ion concentration is calculated.
Description
Technical field
The present invention relates to the methods of calibration calibration ion concentration after ion detection instrument more particularly to one kind.
Background technique
From the point of view of the information recognized currently on the market, most ion detection instrument is all without automatic calibration function
Can, even if there is the method for automatic calibration ion concentration, control method is also more single, changeable environment is unable to satisfy, such as AFT system
The instruments such as column blomelicalbloodgasandelectrolrteanalyzers, PSD-16B blomelicalbloodgasandelectrolrteanalyzers are all made of single first calibration instrument and are tested again, test
Calibration in the process does not detect.And in order to cooperate with the demand in market, have already appeared that structure is complicated, flowpath rings on the market
The changeable ion detection quasi-instrument in border, the method for automatic calibration ion concentration single at present can not be with complicated ion
Detection quasi-instrument matches.If K-Lite8 blomelicalbloodgasandelectrolrteanalyzers flow path and XI-1021 blomelicalbloodgasandelectrolrteanalyzers flow path are all that complexity is more
Become.
Summary of the invention
The present invention provides the new simplicity of one kind, the method that fast and accurately ion concentration is calibrated in calibration afterwards, can adapt to
The changeable ion detection quasi-instrument of flow path environment, and manual operation is not necessarily in use process, instrument is fixed after being judged automatically
Mark by rear the calibration results as a result, and being calibrated, ion concentration being calculated.
The present invention is implemented as follows: the method that ion concentration is calibrated in calibration after one kind, comprising the following steps:
Step S1, instrument booting；
Step S2 carries out auto-scaling movement, and the auto-scaling movement includes the automatic calibration voltage of acquisition, and according to certainly
It is dynamic to calibrate successfully required number, calibration interval and rear calibration voltage difference range after setting；
Step S3 first measures first time sample voltage into sample measures mode, and calibration acts after then carrying out, to obtain
Calibration voltage after first time is obtained, whether the difference of calibration voltage and auto-scaling voltage falls into rear calibration voltage after judging first time
It in difference range, such as falls into, calibration voltage is reliable voltage after judging the first time, by auto-scaling voltage, after first time
Calibration voltage is used to calibrate in the calculating of ion concentration, and after arrival before calibration interval, after subsequent samples no longer carry out
Calibration movement；Otherwise, calibration voltage is unreliable voltage after judging first time, and enters step S4；
Step S4 re-starts step S2- step S3, until obtaining reliable voltage；
Step S5 first measures current sample voltage when calibrating interval after arrival, and calibration acts after then carrying out, and obtains
Rear calibration voltage currently is obtained, judges to calibrate after whether the difference of current rear calibration voltage and calibration voltage after first time falls into
It within the scope of voltage difference, such as falls into, then judges current rear calibration voltage for reliable voltage, by auto-scaling voltage, first time
Calibration voltage and current rear calibration voltage are used to calibrate in the calculating of ion concentration afterwards, and between reaching next rear calibration
Every before, calibration is acted after subsequent samples no longer carry out；Otherwise, judge to work as front and back calibration voltage as unreliable voltage, and again
Carry out step S4.
Using this method, by rear calibration interval and rear calibration voltage difference range, to judge during sample measures,
Whether calibration voltage is reliable voltage afterwards, and is used for the reliable voltage to calibrate ion concentration.It is automatic fixed by above-mentioned method
Mark movement, rear calibration movement, ion concentration calibration actions carried out, judge and calculated automatically by instrument, avoid artificial behaviour
The subjectivity of work is more suitable for needing to test the ion detection instrument of multiple samples, flow path environment complexity, and accuracy rate is high, number
According to objective, calibration efficiency height.
As a further improvement of the present invention, the step of rear calibration movement are as follows: it draws solvent flow path and is cleaned,
Then the voltage of solvent is measured as rear calibration voltage.After having surveyed sample voltage each time, need first to draw solvent flow path
After being cleaned, calibration voltage after could measuring is adopted this technical solution, and rear calibration voltage is not influenced by sample, as a result quasi-
Really, objective.
As a further improvement of the present invention, in step s3, calibration voltage is reliable electricity after the first time as described in judging
Pressure, then using auto-scaling voltage, auto-scaling voltage and after first time calibration voltage three value mean values as sample calibration
Voltage participates in the calculating of the ion concentration of sample, and after arrival before calibration interval, sample calibration voltage is constant；Such as sentence
The calibration voltage after the first time that breaks is unreliable voltage, then is used as sample calibration voltage, participation sample using auto-scaling voltage
The calculating of this ion concentration.
When calibration voltage is reliable voltage after judging the first time, if the reliable voltage is used alone calibrate from
Sub- concentration, then data are not objective enough, therefore the present invention takes averaging method to combine at 3 points using FUZZY ALGORITHMS FOR CONTROL and, in practical operation
In, take the mean value of totally three values of calibration voltage after identical two values (auto-scaling voltage) and first time electric as sample calibration
Pressure, keeps result of the invention more objective, accurate.
As a further improvement of the present invention, in step s 5, as judge rear calibration voltage currently as reliable voltage, then
Electricity is calibrated as new samples using the mean value of auto-scaling voltage, sample calibration voltage and rear calibration voltage three current values
Pressure, and before reaching next rear calibration interval, new samples calibration voltage is constant；Such as judge that current rear calibration voltage is
Unreliable voltage then maintains sample calibration voltage constant.Similarly, it takes averaging method to combine using FUZZY ALGORITHMS FOR CONTROL and at 3 points, takes
The mean value of auto-scaling voltage, sample calibration voltage and rear calibration voltage three current values makes as new samples calibration voltage
Result of the invention is more objective, accurate.
As a further improvement of the present invention, the sample calibration voltage or new samples calibration voltage are used to survey to current
The sample voltage obtained is calibrated, and then will be used to calculate the ion concentration of current sample by the sample voltage of calibration.
As a further improvement of the present invention, the step S2 further include: such as auto-scaling success, required number is 1,
5 are divided between calibrating after then setting, rear calibration voltage difference range is -1.0~1.0；Such as auto-scaling success, required number is
2, then 4 are divided between calibrating after setting, rear calibration voltage difference range is -1.3~1.3；The required number of auto-scaling success is
3, then 3 are divided between calibrating after setting, rear calibration voltage difference range is -1.5~1.5.It adopts this technical solution, between rear calibration
It is reasonable every, the setting of rear calibration voltage difference range, reduce the time of auto-scaling and rear calibration movement, save solvent,
Improve pattern detection efficiency.
As a further improvement of the present invention, the instrument includes flow cell, sampling needle, distributing valve, reagent packet and inhales sample
Pump, the flow cell is interior to be equipped with liquid detecting module, and the sample suction pump draws solvent from reagent packet, and solvent passes through distributing valve stream
When through flow cell, response occurs for the liquid detecting module, and the flow cell starts to measure the voltage of solvent；When the instrument into
When entering sample measures mode, the sampling needle is drawn sample and is injected into flow path, and response occurs for the liquid detecting module, described
Flow cell starts to measure the voltage of sample.It adopts this technical solution, even flow path environment is complicated and changeable, the numerous ion of sample
Detecting instrument, as long as pass through the liquid detecting module in flow cell, it will be able to the case where being detected voltage, avoiding missing inspection
Occur.
Compared with prior art, the beneficial effects of the present invention are:
(1) everything of rear calibration of the invention calibration ion concentration is carried out automatically, judges and is calculated by instrument, is kept away
The subjectivity for having exempted from manual operation is more suitable for needing to test the ion detection instrument of multiple samples, flow path environment complexity；
(2) on the basis of being judged as reliable voltage, averaging method is taken to combine by using FUZZY ALGORITHMS FOR CONTROL and at 3 points,
It calculates and obtains sample calibration voltage or new sample calibration voltage, for the accuracy for obtaining each currently ion concentration of sample
Provide guarantee.
(3) reasonable set that interval, rear calibration voltage difference range are calibrated after passing through reduces auto-scaling and rear calibration
The time of movement saves solvent, improves pattern detection efficiency.
Detailed description of the invention
Fig. 1 be it is provided by the invention it is a kind of after calibration calibration ion concentration method instrument structural schematic diagram.
Detailed description of the invention: 1- operation control panel, 2- flow cell, 3- sampling needle, 4- distributing valve, 5- reagent packet, 6- sample suction pump, 7-
Tyke pipe.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, with reference to the accompanying drawing and specifically
The present invention is further described for embodiment.
Embodiment 1
It is as shown in Figure 1 the method instrument of calibration calibration ion concentration after one kind, includes operation control panel 1, stream
Logical pond 2, sampling needle 3, distributing valve 4, reagent packet 5, sample suction pump 6 and Tyke pipe 7.
The operation control panel 1 provides operation control function, and the Tyke pipe 7 provides the connection of flow path.
It is equipped with liquid detecting module in the flow cell 2, the sample suction pump 6 draws solvent from reagent packet 5, and solvent passes through
When distributing valve 4 flows through flow cell 2, response occurs for the liquid detecting module, and the flow cell 2 starts to measure the voltage of solvent；
When the instrument enters sample measures mode, the sampling needle 3 is drawn sample and is injected into flow path, the liquid detecting module
Response occurs, the flow cell 2 starts to measure the voltage of sample.
Embodiment 2
A method of rear calibration calibration ion concentration mainly includes step below using the instrument of embodiment 1
It is rapid:
Step S1, instrument booting.
Step S2 carries out auto-scaling movement, and the auto-scaling movement includes the automatic calibration voltage of acquisition, and according to certainly
It is dynamic to calibrate successfully required number, calibration interval and rear calibration voltage difference range after setting.
As shown in Figure 1, distributing valve 4 goes to solvent valve port when instrument carries out auto-scaling, then sample suction pump 6 starts to turn
Fixed step number is moved, draws solvent from reagent packet 5.Fixed step number is covered to sample suction pump 6, distributing valve 4 goes to air valve port,
Then sample suction pump 6 is rotated further by enough step numbers, and solvent is made to flow through flow cell 2.Liquid detecting module in flow cell 2 detects molten
When agent passes through, the voltage for starting to acquire solvent is as auto-scaling voltage, and then solvent is extracted into the useless of reagent packet 5 by sample suction pump 6
In liquid bag, instrument judges whether that meet the successful condition of auto-scaling passes through when meeting by the auto-scaling voltage obtained
The required number of auto-scaling success is judged, come calibration interval and rear calibration voltage difference range after setting.As auto-scaling at
Number needed for function is 1, then 5 is divided between calibrating after setting, rear calibration voltage difference range is -1.0~1.0；Such as auto-scaling
The required number of success is 2, then 4 is divided between calibrating after setting, rear calibration voltage difference range is -1.3~1.3；Auto-scaling
The required number of success is 3, then 3 is divided between calibrating after setting, rear calibration voltage difference range is -1.5~1.5.
Step S3, into sample measures mode, instrument first draws solvent flow path using sample suction pump 6 before measuring sample
It is cleaned.Cleaning finishes, and lifts sampling needle 3 and draws sample, is injected into flow path, when the liquid detecting module of flow cell 2 is examined
After measuring sample, sample suction pump 6 stops operating, and flow cell 2 starts to acquire first time sample voltage (specially acquisition first time sample
In each ion voltage).
Then (sample suction pump 6 is drawn solvent flow path and is cleaned, and the voltage for then measuring solvent is made for calibration movement after carrying out
For rear calibration voltage), to obtain calibration voltage after first time.Judge the difference of calibration voltage and auto-scaling voltage after first time
Whether fall into rear calibration voltage difference range, such as fall into, after judging the first time calibration voltage for reliable voltage, and
After arrival before calibration interval, calibration is acted after subsequent samples no longer carry out；Otherwise, calibration voltage is judged after first time for can not
By voltage, and enter step S4.
Calibration voltage is reliable voltage after the first time as described in judging, then uses auto-scaling voltage, auto-scaling voltage
Mean value with calibration voltage three values after first time participates in the calculating of the ion concentration of sample as sample calibration voltage, and
After arrival before calibration interval, sample calibration voltage is constant；Calibration voltage is unreliable voltage after the first time as described in judging,
The calculating of the ion concentration of current sample is then participated in as sample calibration voltage using auto-scaling voltage.
Step S4 re-starts step S2- step S3, until obtaining reliable voltage.
Step S5, when calibrating interval after arrival, after first measuring current sample voltage, calibration is acted after then carrying out,
Current rear calibration voltage is obtained, it is fixed after whether the difference of current rear calibration voltage and calibration voltage after first time falls into judge
Mark voltage difference within the scope of, such as fall into, then judge current rear calibration voltage for reliable voltage, and reach it is next after calmly
Before mark interval, calibration is acted after subsequent samples no longer carry out；Otherwise, judge to work as front and back calibration voltage as unreliable voltage, and
Re-start step S4.
Judge current rear calibration voltage such as reliable voltage, then use auto-scaling voltage, sample calibration voltage and works as
The mean value of preceding rear calibration voltage three values as new samples calibration voltage, and reach it is next after before calibration is spaced,
New samples calibration voltage is constant；Such as judge that current rear calibration voltage for unreliable voltage, then maintains sample calibration voltage constant.
The sample calibration voltage or new samples calibration voltage, then will be by schools for calibrating to sample voltage
Quasi- sample voltage is used to calculate the ion concentration of sample.
The method of calibration calibration ion concentration is a kind of easy, quick, accurate method after this, using embodiment 2
Technical solution,
(1) everything of rear calibration of the invention calibration ion concentration is carried out automatically, judges and is calculated by instrument, is kept away
The subjectivity for having exempted from manual operation is more suitable for needing to test the ion detection instrument of multiple samples, flow path environment complexity；
(2) on the basis of being judged as reliable voltage, averaging method is taken to combine by using FUZZY ALGORITHMS FOR CONTROL and at 3 points,
It calculates and obtains sample calibration voltage or new sample calibration voltage, for the accuracy for obtaining each currently ion concentration of sample
Provide guarantee.
(3) reasonable set that interval, rear calibration voltage difference range are calibrated after passing through reduces auto-scaling and rear calibration
The time of movement saves solvent, improves pattern detection efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. the method for calibration calibration ion concentration after one kind, which comprises the following steps:
Step S1, instrument booting；
Step S2 carries out auto-scaling movement, and the auto-scaling movement includes the automatic calibration voltage of acquisition, and according to automatic fixed
Successfully required number is marked, calibration interval and rear calibration voltage difference range after setting；
Step S3 first measures first time sample voltage into sample measures mode, and calibration acts after then carrying out, to obtain the
Calibration voltage after primary, whether the difference of calibration voltage and auto-scaling voltage falls into rear calibration voltage difference after judging first time
It in range, such as falls into, calibration voltage is calibrated for reliable voltage by auto-scaling voltage, after first time after judging the first time
Voltage is used to calibrate in the calculating of ion concentration, and after arrival before calibration interval, subsequent samples are calibrated after no longer carrying out
Movement；Otherwise, calibration voltage is unreliable voltage after judging first time, and enters step S4；
Step S4 re-starts step S2- step S3, until obtaining reliable voltage；
Step S5 first measures current sample voltage when calibrating interval after arrival, and calibration acts after then carrying out, and is worked as
Preceding rear calibration voltage, judges whether the difference of current rear calibration voltage and calibration voltage after first time falls into rear calibration voltage
It in difference range, such as falls into, then judges that current rear calibration voltage for reliable voltage, is determined by auto-scaling voltage, after first time
Mark voltage and current rear calibration voltage are used to calibrate in the calculating of ion concentration, and the calibration interval after arrival is next
Before, calibration acts after subsequent samples no longer carry out；Otherwise, judge to work as front and back calibration voltage as unreliable voltage, and re-start
Step S4.
2. the method for calibration calibration ion concentration after according to claim 1, which is characterized in that calibration movement after described
Step are as follows: draw solvent flow path and cleaned, then measure the voltage of solvent as rear calibration voltage.
3. the method for calibration calibration ion concentration after according to claim 2, which is characterized in that in step s3, such as sentence
The calibration voltage after the first time that breaks is reliable voltage, then fixed using auto-scaling voltage, auto-scaling voltage and after first time
The mean value of voltage three values of mark participates in the calculating of the ion concentration of sample as sample calibration voltage, and calibrates after arrival
Before interval, sample calibration voltage is constant；Calibration voltage is unreliable voltage after the first time as described in judging, then using automatic fixed
Voltage is marked as sample calibration voltage, participates in the calculating of the ion concentration of sample.
4. the method for calibration calibration ion concentration after according to claim 3, which is characterized in that in step s 5, such as sentence
The current rear calibration voltage that breaks is reliable voltage, then using auto-scaling voltage, sample calibration voltage and current rear calibration electricity
Press the mean value of three values as new samples calibration voltage, and before reaching next rear calibration interval, new samples calibration electricity
It presses constant；Such as judge that current rear calibration voltage for unreliable voltage, then maintains sample calibration voltage constant.
5. the method for calibration calibration ion concentration after according to claim 4, which is characterized in that the sample calibration voltage
Or then new samples calibration voltage is used the sample voltage by calibration for calibrating to the sample voltage currently measured
In the ion concentration for calculating current sample.
6. the method for calibration calibration ion concentration after according to claim 1, which is characterized in that the step S2 is also wrapped
It including: if the required number of auto-scaling success is 1, being then divided into 5 between calibrating after setting, rear calibration voltage difference range is -1.0 ~
1.0；If the required number of auto-scaling success is 2, then 4 are divided between calibrating after setting, rear calibration voltage difference range is -1.3 ~
1.3；The required number of auto-scaling success is 3, then is divided into 3 between calibrating after setting, rear calibration voltage difference range is -1.5 ~
1.5。
7. the method for calibration calibration ion concentration after according to claim 2, which is characterized in that the instrument includes circulation
Pond, sampling needle, distributing valve, reagent packet and sample suction pump, are equipped with liquid detecting module in the flow cell, and the sample suction pump is from reagent
Solvent is drawn in packet, when solvent flows through flow cell by distributing valve, response occurs for the liquid detecting module, and the flow cell is opened
The voltage of beginning measurement solvent；When the instrument enters sample measures mode, the sampling needle is drawn sample and is injected into flow path,
Response occurs for the liquid detecting module, and the flow cell starts to measure the voltage of sample.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06265512A (en) * | 1993-03-13 | 1994-09-22 | Horiba Ltd | Method for calibrating electrolyte analyzer |
| JPH0778480B2 (en) * | 1987-04-16 | 1995-08-23 | 日機装株式会社 | Method for automatic calibration of solute concentration measuring electrode in solution |
| JPH08193990A (en) * | 1995-01-18 | 1996-07-30 | Meidensha Corp | Calibration-operation for measuring instrument for water supply monitor |
| EP1526378A1 (en) * | 2003-10-22 | 2005-04-27 | Tanita Corporation | Residual chlorine meter |
| CN101087993A (en) * | 2004-12-23 | 2007-12-12 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for monitoring sensor function |
-
2017
- 2017-08-18 CN CN201710711694.3A patent/CN107688047B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0778480B2 (en) * | 1987-04-16 | 1995-08-23 | 日機装株式会社 | Method for automatic calibration of solute concentration measuring electrode in solution |
| JPH06265512A (en) * | 1993-03-13 | 1994-09-22 | Horiba Ltd | Method for calibrating electrolyte analyzer |
| JPH08193990A (en) * | 1995-01-18 | 1996-07-30 | Meidensha Corp | Calibration-operation for measuring instrument for water supply monitor |
| EP1526378A1 (en) * | 2003-10-22 | 2005-04-27 | Tanita Corporation | Residual chlorine meter |
| CN101087993A (en) * | 2004-12-23 | 2007-12-12 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for monitoring sensor function |
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Address after: 514000 Jincheng Avenue, Fuda high tech Zone, Meixian District, Meizhou City, Guangdong Province (Kangli high tech Industrial Park) Patentee after: MEIZHOU CORNLEY HI-TECH Co.,Ltd. Address before: 514021 White House Town, Meixian, Meizhou, Guangdong Province, Nanshan Industrial Area Patentee before: MEIZHOU CORNLEY HI-TECH Co.,Ltd. |