CN105891284A - Novel electrolyte analyzer and analysis method - Google Patents
Novel electrolyte analyzer and analysis method Download PDFInfo
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- CN105891284A CN105891284A CN201610202080.8A CN201610202080A CN105891284A CN 105891284 A CN105891284 A CN 105891284A CN 201610202080 A CN201610202080 A CN 201610202080A CN 105891284 A CN105891284 A CN 105891284A
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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
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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
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- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
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Abstract
The invention discloses a novel electrolyte analyzer and an analysis method. The analyzer comprises a reagent selecting channel, an electrode set, a sample suction needle, a liquid level sensor, a liquid suction device and a controller. The reagent selecting channel is used for selecting to suck a first calibration solution or a second calibration solution or electrode cleaning liquid to be sent to the electrode set. The sample suction needle is used for sucking a sample and sending the sample to the electrode set. The electrode set is used for measuring the electrode potential of liquid ions. The liquid level sensor is used for measuring the height of the liquid level in the electrode set and detecting whether gas is included in the liquid in the electrode set. The liquid suction device is used for providing suction power for the reagent selecting channel and the sample suction needle and draining waste liquid generated after detection of the electrode set. The controller is used for controlling the reagent selecting channel, the sample suction needle, the electrode set, the liquid level sensor and the liquid suction device to work, establishing a calibration curve and determining the concentrations of ions in the sample. According to the novel electrolyte analyzer and the analysis method, electrode calibration and cleaning can be intelligently completed, the analyzer is more convenient to operate, the service life of electrodes can be prolonged, and the normal rate of the analyzer can be increased.
Description
Technical field
The invention belongs to medical test detection technique field, particularly a kind of novel electrolytes analyser and the method for analysis.
Background technology
Electrolyte analyser is the analytical tool that Lab of Clinical Medicine is conventional, but during long-term sample detection, sample
Albumen in product and other electrodeposition substances are attached to electrode film surface, electrode response can be caused abnormal and cannot correctly detect sample
Ion concentration in product.The most usually need electrode surface is carried out, just can ensure that electrode is chronically at normal condition,
Otherwise shortening electrode life, instrument performance reduces.
It is alternately provided with only the calibration solution of two kinds of variable concentrations inside existing electrolyte analyser, can automatically electrode apparatus be entered
Row calibration, but instrument internal is not provided with abluent, does not also have automatic cleaning process.Therefore this kind of electrolyte is being used
Just require during instrument that electrode apparatus potentiometric detection result is analyzed by reviewer the most every now and then, it may be judged whether need
Whole or the most a certain electrode it is carried out, and to select to use what type of cleanout fluid that electrode is carried out；?
After completing this process, again electrode is carried out detection and judges whether it meets use requirement.Above-mentioned cleaning method not only operates
Loaded down with trivial details, time-consuming, and highly professional, and general lack of professional experiences personnel are often difficult to smoothly complete the clear of this quasi-instrument
Wash service, therefore cause electrode damage frequency too high and instrument failure rate is too high.
Summary of the invention
It is an object of the invention to provide a kind of novel electrolytes analyser and analysis method.
The technical scheme realizing the object of the invention is: a kind of novel electrolytes analyser, including reagent selector channel, electrode
Group, suction needle, liquid level sensor, liquid sucking device and controller；
Described reagent selector channel is used for selecting draw the first calibration solution, the second calibration solution or electrode clean liquid and be sent to electricity
Pole group；
Described suction needle is used for drawing sample and being sent to electrode group；
Described electrode group is for measuring the drawn liquid in reagent selector channel and the electrode of suction needle drawn sample intermediate ion
Current potential；
Described liquid level sensor is used for measuring in liquid level in electrode group, and detecting electrode group liquid whether contain gas
Body；
Described liquid sucking device is after providing reagent selector channel and the draw power of suction needle and emptying the detection of electrode group
Waste liquid；
Described controller is used for controlling reagent selector channel, suction needle, electrode group, liquid level sensor and liquid sucking device work
Make, and set up calibration curve according to the first calibration solution and the ion concentration of the second calibration solution and counter electrode current potential, determine
Each ion concentration in sample.
Further, described reagent selector channel includes the first calibration solution interface, the second calibration solution interface, electrode clean liquid
Interface, the second electrode clean liquid interface, air interface, deionized water interface；Described first calibration solution interface and second is determined
Mark liquid interface connects for extraction the first calibration solution and the second calibration solution, the first electrode clean liquid interface and the second electrode clean liquid
Mouth carries out electrode group cleaning for two kinds of different electrode clean liquid of extraction, and air interface is used for extracting air emptying pipeline,
Described deionized water interface is used for extracting deionized water and carries out pipeline-cleaning.
Further, described reagent selector channel is multipassage rotary valve, and multipassage rotary valve also includes interface channel and row
Outlet, the input selectivity of described interface channel and the first calibration solution interface, the second calibration solution interface, air interface,
In first electrode clean liquid interface, the second electrode clean liquid interface and deionized water interface, either interface connects, interface channel
Outfan be connected with electrode group by outlet.
Further, the first calibration solution interface of described reagent selector channel, the second calibration solution interface, air interface,
One electrode clean liquid interface, the second electrode clean liquid interface and deionized water interface are provided with switch valve.
Further, analyser also includes alarm device, detects that in electrode group, liquid contains gas for liquid level sensor
Time send alarm.
Further, described liquid sucking device is the first peristaltic pump.
Further, described liquid sucking device includes vacuum pump, the second peristaltic pump, the first valve, the second valve, the 3rd valve
Door and the 4th valve；First valve is air cock, and one end is connected with vacuum pump, and another terminates air；The one of second valve
End is connected with vacuum pump, and the other end and the second peristaltic pump connect；One end of 3rd valve is connected with vacuum pump, the other end with
Outside waste liquid bottle connects, and one end of the 4th valve is connected with electrode group, and the other end is connected with vacuum pump.
Further, described liquid sucking device includes syringe, the 5th valve and the 6th valve, one end of the 5th valve and electricity
Pole group connects, and the other end is connected with syringe, and one end of the 6th valve is connected with syringe, the other end and outside waste liquid bottle
Connect.
A kind of novel electrolytes analyzes method, comprises the following steps:
Step 1, draws the first calibration solution and the second calibration solution respectively, records the electrode potential of two kinds of calibration solutions；
Step 2, sets up the standard curve of ion concentration and electrode potential according to the electrode potential of two kinds of calibration solutions；
Step 3, detects sample intermediate ion electrode potential, reference standard curve, determines that in sample, corresponding each detection ion is dense
Degree；
Step 4, according to the detection sample size set or interval time, uses electrode clean liquid to electrode clean, repeats
Step 1 is calibrated, if the calibration results meets requirement, then continues executing with step 2；If being unsatisfactory for requirement, the most automatically report
Alert prompting electrode is abnormal.
Further, if electrode potential is less than setting threshold value when step 1 is calibrated, electrode group is carried out.
Compared with prior art, the remarkable result of the present invention is: the electrolyte analyser of (1) present invention was detecting
Journey or standby time, automatically electrode can be carried out according to detection sample size or working time, and automatically electrode be entered
Row calibration calibration；(2) electrolyte analyser of the present invention has Intelligent Evaluation electrode potential value, and according to this evaluation
Automatically carry out calibrating, clean and point out electrode damage to need the function of the information such as replacing；(3) electrolysis of the present invention
Matter analyser population structure is simple, easy to operate, and can extend electrode life and improve instrument natural rate of interest, suitable
Quickly detect for hospital.
Accompanying drawing explanation
Fig. 1 is the novel electrolytes analyser peristaltic-type pump arrangement figure of the present invention, and wherein reagent selector channel is multipassage rotary
Valve, liquid sucking device is peristaltic pump.
Fig. 2 is the novel electrolytes analyser peristaltic-type pump arrangement figure of the present invention, and wherein reagent selector channel is multipassage rotary
Valve, liquid sucking device is vacuum pump.
Fig. 3 is the novel electrolytes analyser peristaltic-type pump arrangement figure of the present invention, and wherein reagent selector channel is multipassage rotary
Valve, liquid sucking device is syringe.
Fig. 4 (a) is reagent selector channel of the present invention side view, and Fig. 4 (b) is reagent selector channel of the present invention top view.
Fig. 5 is the reagent selector channel structural representation of each passage each switch valve.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
In conjunction with Fig. 1, a kind of novel electrolytes analyser, including reagent selector channel 6, electrode group 8, suction needle 5, liquid
Level sensor 18, liquid sucking device and controller；
Described reagent selector channel 6 is used for selecting draw the first calibration solution, the second calibration solution or electrode clean liquid and be sent to
Electrode group 8, the ion concentration of the first calibration solution and the second calibration solution is different；
Described suction needle 5 is used for drawing sample and being sent to electrode group 8；
Described electrode group 8 is for measuring the drawn liquid in reagent selector channel 6 and suction needle 5 drawn sample intermediate ion
Electrode potential；
Described liquid level sensor 18 is used for measuring in liquid level in electrode group, and detecting electrode group liquid whether contain gas
Body；
Described liquid sucking device is used for providing reagent selector channel 6 and the draw power of suction needle 5 and emptying electrode group 8 detecting
After waste liquid, in the present embodiment, liquid sucking device is peristaltic pump 9；
Described controller is used for controlling reagent selector channel 6, suction needle 5, electrode group 8, liquid level sensor 18 and imbibition
Device works, and sets up calibration curve according to the first calibration solution and the ion concentration of the second calibration solution and counter electrode current potential,
Determine each ion concentration in sample.
In conjunction with Fig. 4 (a) and Fig. 4 (b), described reagent selector channel 6 is multipassage rotary valve, and described reagent selects logical
Road 6 includes that first calibration solution interface the 1, second calibration solution interface 2, electrode clean liquid interface the 3, second electrode clean liquid connect
Mouth 4, air interface 22, deionized water interface 23, interface channel 24, motor 26 and outlet 7；Described connection is led to
Road 24 selectivity and first calibration solution interface the 1, second calibration solution interface 2, air interface the 22, first electrode clean liquid connect
In mouth the 3, second electrode clean liquid interface 4 and deionized water interface 23, either interface connects, interface channel 24 outfan
Being connected with one end of outlet 7, the other end of described outlet 7 is connected with the input of electrode group 8；Described motor 26
Rotate for drive connection passage 24, select interface to be connected.
Described first calibration solution interface 1 and the second calibration solution interface 2 are used for extraction the first calibration solution and the second calibration solution, the
One electrode clean liquid interface 3 carries out electrode with the second electrode clean liquid interface 4 for two kinds of different electrode clean liquid of extraction
Group is cleaned, and air interface 22 is used for extracting air emptying pipeline, and described deionized water interface 23 is used for extracting deionized water
Carry out pipeline-cleaning；
Analyser also includes alarm device, detects that in electrode group, liquid sends when containing gas for liquid level sensor 18
Alarm.
The present invention also provides for a kind of analysis method based on above-mentioned novel electrolytes analyser, comprises the following steps:
Step 1, draws the first calibration solution and the second calibration solution respectively, records the electrode potential of two kinds of calibration solutions；
Step 2, sets up the standard curve of ion concentration and electrode potential according to the electrode potential of two kinds of calibration solutions；
Step 3, detects sample intermediate ion electrode potential, reference standard curve, determines that in sample, corresponding each detection ion is dense
Degree；
Step 4, according to the detection sample size set or interval time, uses electrode clean liquid to electrode clean, repeats
Step 1 is calibrated, if the calibration results meets requirement, then continues executing with step 2；If being unsatisfactory for requirement, the most automatically report
Alert prompting electrode is abnormal.
Wherein, if electrode potential is less than setting threshold value when step 1 is calibrated, electrode group is carried out；The present embodiment sets
Determine threshold value and take 50mv.
During detection, peristaltic pump 9 is bled, and motor 26 drives interface channel 24 in reagent selector channel 6 to rotate to first calmly
Mark liquid interface 1 draws low value calibration solution known to concentration, through outlet 7 feed line, enter electrode group 8 records from
The electrode potential of sub-electrode；Rear motor 26 drive interface channel 24 in reagent selector channel 6 to rotate to air interface 22
Draw air, empty pipeline.Interface channel 24 in reagent selector channel 6 is driven to rotate to the second calibration with rear motor 26
Liquid interface 2 draws high level calibration solution known to concentration, through outlet 7 feed line, enters in electrode group 8 and records ion
The electrode potential of electrode, sets up a calibration curve by above-mentioned two electrode potentials recorded；Rear motor 26 drive
In reagent selector channel 6, interface channel 24 rotates and draws air to air interface 22, empties pipeline；With rear motor 26
Drive interface channel 24 in reagent selector channel 6 to rotate to the first calibration solution interface 1 and draw low value calibration solution, rinse pipe
Behind road, again empty pipeline.
Suction needle 5 is drawn in specimen bottle 17 sample and is entered in electrode group 8, records the electrode potential of unknown concentration sample,
The ion concentration of sample is obtained from the calibration curve set up；Rear motor 26 drive in reagent selector channel 6 connect
Passage 24 rotates draws air to air interface 22, empties pipeline；Drive in reagent selector channel 6 with rear motor 26
Interface channel 24 rotates draws low value calibration solution to the first calibration solution interface 1, after rinse pipeline, again empties pipeline.
In detection, in pipeline, liquid, through liquid level sensor 18, pipeline 14, peristaltic pump 9, finally flows into waste liquid bottle 13.
When analyser performs shutdown process, motor 26 drives interface channel 24 in reagent selector channel 6 to rotate to deionization
Water interface 23 draws deionized water, again empties pipeline after cleaning pipeline.
Analyser the process of detection or standby time, a kind of electrode clean liquid can be automatically selected to electricity by reagent selector channel 6
Pole group is carried out.
Embodiment 2
In conjunction with Fig. 2, the present embodiment is with the difference of embodiment 1, and liquid sucking device includes vacuum pump the 10, second peristaltic pump
25, the first valve the 11, second valve the 12, the 3rd valve 15 and the 4th valve 16；First valve 11 is air cock,
One end is connected with vacuum pump 10, and another terminates air；One end of second valve is connected with vacuum pump 10, the other end and
Two peristaltic pumps 25 connect；One end of 3rd valve 15 is connected with vacuum pump 10, and the other end is connected with outside waste liquid bottle 13,
One end of 4th valve 16 is connected with electrode group 8, and the other end is connected with vacuum pump 10.
When not using, the first valve the 11, the 3rd valve 15 and the 4th valve 16 are turned off, and the second valve 12 is opened,
Second peristaltic pump 25 is bled, until being vacuum in vacuum pump 10, closes the second valve 12；
During use, the first valve 11 is opened, and after air enters vacuum pump 10, the 4th valve 16 is opened, the first valve
11 close, and the second valve 12 is opened simultaneously, and the second peristaltic pump 25 is bled, and in pipeline, liquid is laggard through electrode group 8
Entering vacuum pump 10, the second valve 12 is closed subsequently, and the first valve 11 and the 3rd valve 15 are opened, and liquid is made at gravity
With lower entrance waste liquid bottle 13.
Embodiment 3
In conjunction with Fig. 3, a kind of novel electrolyte analyser and workflow methods, the present embodiment and the difference of embodiment 1
Being, liquid sucking device includes syringe the 20, the 5th valve 19 and the 6th valve 21, one end of the 5th valve 19 and electricity
Pole group 8 connects, and the other end is connected with syringe 20, and one end of the 6th valve 21 is connected with syringe 20, the other end
It is connected with outside waste liquid bottle 13.
During detection, the 5th valve 19 is opened, and the 6th valve 21 is closed, and syringe 20 is drop-down, and in pipeline, liquid is through electricity
Fully entering in syringe 20 after pole group 8, the 5th valve 19 is closed afterwards, and the 6th valve 21 is opened, syringe 20
On push away, in syringe 20, liquid enters in waste liquid bottle 13.
Embodiment 4
In conjunction with Fig. 5, the present embodiment is with the difference of embodiment 1, and each interface of reagent selector channel each arranges one
Individual switch valve.During detection, analyser automatically selects the reagent passage valve needed for only opening, and remaining valve is turned off.
Claims (10)
1. a novel electrolytes analyser, it is characterised in that include reagent selector channel (6), electrode group (8),
Suction needle (5), liquid level sensor (18), liquid sucking device and controller；
It is concurrent that described reagent selector channel (6) is used for selecting to draw the first calibration solution, the second calibration solution or electrode clean liquid
Give electrode group (8)；
Described suction needle (5) is used for drawing sample and being sent to electrode group (8)；
Described electrode group (8) is used for measuring reagent selector channel (6) drawn liquid and suction needle (5) drawn sample
The electrode potential of this intermediate ion；
Whether described liquid level sensor (18) is used for measuring in liquid level in electrode group, and detecting electrode group liquid and contains
Gas；
Described liquid sucking device is used for providing reagent selector channel (6) and the draw power of suction needle (5) and emptying electrode group
(8) waste liquid after detection；
Described controller is used for controlling reagent selector channel (6), suction needle (5), electrode group (8), liquid level sensor (18)
Work with liquid sucking device, and set up calibration according to the first calibration solution and the ion concentration of the second calibration solution and counter electrode current potential
Curve, determines each ion concentration in sample.
Novel electrolytes analyser the most according to claim 1, it is characterised in that described reagent selector channel (6)
Including the first calibration solution interface (1), the second calibration solution interface (2), electrode clean liquid interface (3), the second electrode clean
Liquid interface (4), air interface (22), deionized water interface (23)；Described first calibration solution interface (1) and second
Calibration solution interface (2) is for extraction the first calibration solution and the second calibration solution, the first electrode clean liquid interface (3) and second
Electrode clean liquid interface (4) carries out electrode group cleaning, air interface (22) for two kinds of different electrode clean liquid of extraction
For extracting air emptying pipeline, described deionized water interface (23) is used for extracting deionized water and carries out pipeline-cleaning.
Novel electrolytes analyser the most according to claim 2, it is characterised in that described reagent selector channel (6)
For multipassage rotary valve, multipassage rotary valve also includes interface channel (24) and outlet (7), described interface channel (24)
Input selectivity and the first calibration solution interface (1), the second calibration solution interface (2), air interface (22), first
In electrode clean liquid interface (3), the second electrode clean liquid interface (4) and deionized water interface (23), either interface is even
Connecing, the outfan of interface channel (24) is connected with electrode group (8) by outlet (7).
Novel electrolytes analyser the most according to claim 2, it is characterised in that described reagent selector channel (6)
The first calibration solution interface (1), the second calibration solution interface (2), air interface (22), the first electrode clean liquid interface
(3), the second electrode clean liquid interface (4) and deionized water interface (23) are provided with switch valve.
Novel electrolytes analyser the most according to claim 1, it is characterised in that analyser also includes dress of reporting to the police
Put, detect that in electrode group, liquid sends alarm when containing gas for liquid level sensor (18).
Novel electrolytes analyser the most according to claim 1, it is characterised in that described liquid sucking device is first
Peristaltic pump (9).
Novel electrolytes analyser the most according to claim 1, it is characterised in that described liquid sucking device includes very
Empty pump (10), the second peristaltic pump (25), the first valve (11), the second valve (12), the 3rd valve (15) and the
Four valves (16).First valve (11) is air cock, and one end is connected with vacuum pump (10), and another terminates air；
One end of second valve is connected with vacuum pump (10), and the other end and the second peristaltic pump (25) connect；3rd valve (15)
One end be connected with vacuum pump (10), the other end is connected with outside waste liquid bottle (13), one end of the 4th valve (16)
Being connected with electrode group (8), the other end is connected with vacuum pump (10).
Novel electrolytes analyser the most according to claim 1, it is characterised in that described liquid sucking device includes note
Emitter (20), the 5th valve (19) and the 6th valve (21), one end of the 5th valve (19) and electrode group (8)
Connecting, the other end is connected with syringe (20), and one end of the 6th valve (21) is connected with syringe (20), another
Hold and be connected with outside waste liquid bottle (13).
9. an analysis method based on novel electrolytes analyser described in claim 1, it is characterised in that include with
Lower step:
Step 1, draws the first calibration solution and the second calibration solution respectively, records the electrode potential of two kinds of calibration solutions；
Step 2, sets up the standard curve of ion concentration and electrode potential according to the electrode potential of two kinds of calibration solutions；
Step 3, detects sample intermediate ion electrode potential, reference standard curve, determines that in sample, corresponding each detection ion is dense
Degree；
Step 4, according to the detection sample size set or interval time, uses electrode clean liquid to electrode clean, repeats
Step 1 is calibrated, if the calibration results meets requirement, then continues executing with step 2；If being unsatisfactory for requirement, the most automatically report
Alert prompting electrode is abnormal.
The analysis method of novel electrolytes analyser the most according to claim 9, it is characterised in that step 1 is fixed
If timestamp electrode potential is less than setting threshold value, electrode group is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202080.8A CN105891284A (en) | 2016-04-01 | 2016-04-01 | Novel electrolyte analyzer and analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202080.8A CN105891284A (en) | 2016-04-01 | 2016-04-01 | Novel electrolyte analyzer and analysis method |
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| CN105891284A true CN105891284A (en) | 2016-08-24 |
Family
ID=57013264
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| CN201610202080.8A Pending CN105891284A (en) | 2016-04-01 | 2016-04-01 | Novel electrolyte analyzer and analysis method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027393A1 (en) * | 2019-08-13 | 2021-02-18 | 深圳市康立生物医疗有限公司 | High-speed electrolyte analyzer |
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