CN102269732A - High speed electrolyte analysis apparatus - Google Patents
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- CN102269732A CN102269732A CN2011100080267A CN201110008026A CN102269732A CN 102269732 A CN102269732 A CN 102269732A CN 2011100080267 A CN2011100080267 A CN 2011100080267A CN 201110008026 A CN201110008026 A CN 201110008026A CN 102269732 A CN102269732 A CN 102269732A
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Abstract
The invention provides a flow injection type high speed electrolyte analysis apparatus. The electrolyte analysis apparatus which comprises a sample and standard solution supply device, connecting pipelines, an ion selective electrode set, and a measure circuit which is connected with the ion selective electrode set and also comprises a rotary sampling valve is characterized in that: a first inlet of the rotary sampling valve is communicated with an output pipeline of the sample and standard solution supply device; a second inlet of the rotary sampling valve is communicated with a carrier liquid container; a peristaltic pump for pumping a carrier liquid is arranged between the second inlet of the rotary sampling valve and the carrier liquid container; a first outlet of the rotary sampling valve is communicated with the ion selective electrode set; a second outlet of the rotary sampling valve is communicated with a waste water container; and a peristaltic pump for pumping a sample and a standard liquid is arranged between the second outlet of the rotary sampling valve and the waste water container. The electrolyte analysis apparatus of the present invention has the advantages of simple structure, fast analysis speed, and improvement of the accuracy and the speed of electrolyte analysis.
Description
Technical field
The present invention relates to a kind of electrolyte analyzer, relate to a kind of flow injection type electrolyte analyzer particularly.
Background technology
Potassium in the blood of human body (K+), sodium (Na+), chlorine (Cl-), calcium (iCa++) are human electrolyte's principal ingredients, obtain K+, Na+ in patient's blood, Cl-, iCa++, content, the clinician is diagnosed the illness and implements to treat most important.
The present instrument of measuring potassium, sodium, chlorine, calcium ion in the blood mainly adopts the blomelicalbloodgasandelectrolrteanalyzers based on ion selective electrode method.But along with the increase of urban population density, the direct influence that causes to hospital is that the people who goes to a doctor gets more and more, and the sample of censorship is also more and more, and the analysis speed of inspecting sample by ready samples has directly been influenced the efficient that attends.For the analysis speed that reduces the censorship sample to the influence of the efficient that attends, electrolyte analysis needs detection speed faster.
Present electrolyte analysis all is based on sample what measure under physics and the chemical equilibrium condition, under static situation, we claim that this analytical approach is a static analysis method.The analytical equipment figure of static analysis method is referring to accompanying drawing 1, A titer container 1, B titer container 2 and sampling receptacle 3 are communicated with five-way valve F respectively, carry out the switching of reagent and sample by five-way valve F, the delivery outlet of five-way valve F is communicated to the ion-selective electrode group, the rear end of ion-selective electrode group is connected with peristaltic pump R and waste liquid barrel, under the effect of peristaltic pump R, sample is inhaled into the ion-selective electrode group and reaches the equilibrium potential state in the ion-selective electrode group, need the regular hour owing to will reach the equilibrium potential state when sample is through ion-selective electrode in the static analysis method, generally need about 20 seconds time, also need to clean after measurement finishes simultaneously, make whole measuring process need the long time, its measuring speed is generally per hour 60 sample sizes, can not satisfy quick Testing requirement.
Flow Injection Analysis (Flow Injection Analysis, be called for short FIA) be to propose by Denmark scholar J.Ruzick and E.H.Hnase in 1975, be to adopt the sample of certain volume is injected into method in the flow agents (current-carrying) at no bubble interval, guarantee the mixed process and the height reappearance in reaction time, high-level efficiency is finished the online treatment and the mensuration of sample under nonequilibrium condition.We claim that this analytical approach is a dynamic-analysis method.Present electrolyte analysis module does not still have the technical scheme that adopts the Flow Injection Analysis method.
In addition, the existing electrolyte analysis module of static analysis method that adopts is supplied with part at sample and standard solution, reagent and sample generally all enter ion-selective electrode by the reagent transfer valve, because the protein in reagent transfer valve and the ion-selective electrode meeting adsorption sample (serum), and then follow-up sample analysis exerted an influence, then need reagent transfer valve and ion-selective electrode completely cleaned if will eliminate the effects of the act this moment, influences the speed of electrolyte analysis.
Summary of the invention
The present invention provides a kind of flow injection type high speed electrolytic matter analytical equipment for solving the problems of the technologies described above.
The present invention realizes that the technical scheme that goal of the invention adopts is, a kind of high speed electrolytic matter analytical equipment, comprise sample and standard solution feedway, connecting line, ion-selective electrode group and the metering circuit that is connected with the ion-selective electrode group, described electrolyte analyzer also comprises a rotation sampling valve, first inlet of described rotation sampling valve is communicated with the output pipe of sample and titer feedway, second inlet of described rotation sampling valve also is communicated with a current-carrying liquid container, be provided with a peristaltic pump that is used to pump into current-carrying liquid between described second inlet and the current-carrying container, first outlet of described rotation sampling valve is communicated with the ion-selective electrode group, second outlet of described rotation sampling valve is communicated with waste fluid container, is provided with a peristaltic pump that is used to pump into sample and titer between described second outlet and the waste fluid container.
Better, described sample and titer feedway comprise sampling receptacle, titer container, reagent transfer valve, sample needle and detection by quantitative device, described reagent transfer valve is communicated with volumetric standard and is provided with an air access channel, the movable setting of described sample needle and can be communicated with reagent transfer valve and sampling receptacle, described detection by quantitative device are arranged on the connecting line of described sample needle between entering the mouth with described first.
Better, the connecting line of described second outlet is provided with a positioning detector; Described detection by quantitative device and positioning detector are the photoelectricity detector liquid.
Better, described current-carrying liquid is deionized water.
The invention has the beneficial effects as follows:
1, by being set, the rotation sampling valve ion-selective electrode group is provided the input of current-carrying input and reagent and sample, method with Flow Injection Analysis realizes the analysis of high speed electrolytic matter, owing to saved sample reaches equilibrium potential in the ion-selective electrode group stand-by period, also saved the needed time of cleaning, (analysis speed can reach the advantage of 150-300 sample/h), low consumption (sample consumes 10-100uL/ time), high precision (RSD＜1%) therefore to have high-level efficiency;
2, the method by Flow Injection Analysis, current-carrying liquid can pass through the ion-selective electrode group constantly, reduced the ion-selective electrode group to absorption of proteins in the sample, simultaneously with titer and sample separation setting, titer switches successively by the reagent transfer valve, sample then separately by the sample needle sampling, to prevent the protein in the reagent transfer valve adsorption sample, improves the accuracy and the analysis speed of electrolyte analysis.
Description of drawings
Fig. 1, the analytical equipment figure of existing static analysis method.
Fig. 2, the structure principle chart of embodiment of the invention high speed electrolyte analyzer.
Among the figure, 1A titer container, 2B titer container, 3 sampling receptacles, 4 reagent transfer valves, 5 sample needles, 6 detection by quantitative devices, 7 rotation sampling valves, 8 samples and titer peristaltic pump, 9 waste fluid containers, 10 positioning detectors, 11 deionized water containers, 12 deionized water peristaltic pumps, 13 ion-selective electrode groups, 14 waste fluid containers, F five-way valve, R peristaltic pump.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.
A kind of high speed electrolytic matter analytical equipment, referring to accompanying drawing 2, sample and standard solution feedway comprise the container 1 that is used to hold the A titer, be used to hold the container 2 of B titer, sampling receptacle 3, reagent transfer valve 4, sample needle 5, detection by quantitative device 6 and connecting line, container 1 and container 2 integrated setting, and be communicated with reagent transfer valve 4 respectively by connecting line, simultaneously, reagent transfer valve 4 also is connected with one road air pipe line, the setting of air pipe line is for the ease of removing the waste liquid in the pipeline, sample needle 5 is provided with two sampling positions, can take a sample to the A titer and the B titer of sample in the sampling receptacle 3 and connection reagent transfer valve 4 respectively, detection by quantitative device 6 is arranged on the connecting line that is connected with sample needle 5, detection by quantitative device 6 is the photoelectricity detector liquid, when pipeline internal diameter and length setting, after sensing liquid and arrive by the photoelectricity detector liquid, can determine the capacity of liquid in pipe, and then control sample needle 5 stops to continue imbitition, sample needle 5 is connected the inlet A of rotation sampling valve 7 by connecting line, the outlet G connection one of rotation sampling valve 7 is used to pump into the peristaltic pump 8 of sample and titer, the output terminal of peristaltic pump 8 inserts waste fluid container 9, be provided with positioning detector 10 between the outlet G of peristaltic pump 8 and rotation sampling valve 7, positioning detector 10 is the photoelectricity detector liquid, whether be used to detect between the inlet A of rotation sampling valve 7 and the outlet G full of liquid, the inlet H of rotation sampling valve 7 is communicated with deionized water container 11, be provided with the peristaltic pump 12 that is used to pump into deionized water between the inlet H of rotation sampling valve 7 and the deionized water container 8, the deionized water that pumps into outputs to ion-selective electrode group 13 by the F outlet of rotation sampling valve 7, and ion-selective electrode group 13 is connected with waste fluid container 14.
The structural drawing of rotation sampling valve 7 is referring to accompanying drawing 2, form by fixing outer ring and rotatable inner ring, a plurality of external conducting orifices can be set on the outer ring, the corresponding outer ring of inner ring also is provided with corresponding conducting orifice, conducting orifice (AA ＇ G ＇ G) is formed the circulation passage of sample and titer, conducting orifice (HH ＇ F ＇ F) is the circulation passage of deionized water, at first pump into deionized water and output to ion-selective electrode group 13 by peristaltic pump 12, pump into the mixed liquor of sample and titer then by peristaltic pump 8, after circulation passage (A ＇ G ＇) is filled with mixed liquor, the rotation inner ring, this circulation passage (A ＇ G ＇) is rotated to the position of (H ＇ F ＇), under the promotion of peristaltic pump 12, sample and titer mixed liquor in the circulation passage (A ＇ G ＇) output to ion-selective electrode group 13 as a sampling column, ion-selective electrode group 13 adopts flow injection analysis that the current potential peak value of the sample in the sampling column is detected by connected testing circuit and computer control system, obtain the electrolyte analysis result, the detection waste liquid that detects after finishing outputs in the waste fluid container 14.
By the specific embodiment of the present invention, saved on the one hand the step of cleaning, the peak value of each sampling column of obtaining of flow injection method on the other hand need not the stand-by period to make sample and titer reaction reach balance, has saved analysis time widely.Through test, analysis speed can reach more than the 150samples/h, and the measurement project contains K/Na/Cl etc., and minimum of amount of samples needs 10uL.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, it will be understood by those of skill in the art that still and can make amendment or be equal to replacement the present invention although this instructions has been described in detail the present invention with reference to each above-mentioned embodiment; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (5)
1. high speed electrolytic matter analytical equipment, comprise sample and standard solution feedway, connecting line, ion-selective electrode group and the metering circuit that is connected with the ion-selective electrode group, it is characterized in that: described electrolyte analyzer also comprises a rotation sampling valve, first inlet of described rotation sampling valve is communicated with the output pipe of sample and titer feedway, second inlet of described rotation sampling valve also is communicated with a current-carrying liquid container, be provided with a peristaltic pump that is used to pump into current-carrying liquid between described second inlet and the current-carrying container, first outlet of described rotation sampling valve is communicated with the ion-selective electrode group, second outlet of described rotation sampling valve is communicated with waste fluid container, is provided with a peristaltic pump that is used to pump into sample and titer between described second outlet and the waste fluid container.
2. a kind of high speed electrolytic matter analytical equipment according to claim 1, it is characterized in that: described sample and titer feedway comprise sampling receptacle, titer container, reagent transfer valve, sample needle and detection by quantitative device, described reagent transfer valve is communicated with volumetric standard and is provided with an air access channel, the movable setting of described sample needle and can be communicated with reagent transfer valve and sampling receptacle, described detection by quantitative device are arranged on the connecting line of described sample needle between entering the mouth with described first.
3. a kind of high speed electrolytic matter analytical equipment according to claim 1 and 2 is characterized in that: the connecting line of described second outlet is provided with a positioning detector.
4. a kind of high speed electrolytic matter analytical equipment according to claim 3, it is characterized in that: described detection by quantitative device and positioning detector are the photoelectricity detector liquid.
5. a kind of high speed electrolytic matter analytical equipment according to claim 3, it is characterized in that: described current-carrying liquid is deionized water.
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| CN201110008026.7A CN102269732B (en) | 2011-01-14 | 2011-01-14 | High speed electrolyte analysis apparatus |
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| CN201110008026.7A CN102269732B (en) | 2011-01-14 | 2011-01-14 | High speed electrolyte analysis apparatus |
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| CN102269732A true CN102269732A (en) | 2011-12-07 |
| CN102269732B CN102269732B (en) | 2014-01-22 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631960A (en) * | 2012-04-28 | 2012-08-15 | 常州派斯杰医疗设备有限公司 | Switching device |
| CN103604859A (en) * | 2013-11-25 | 2014-02-26 | 深圳市锦瑞电子有限公司 | Electrolyte analyzer and test method thereof |
| CN105334167A (en) * | 2015-10-20 | 2016-02-17 | 华北电力科学研究院有限责任公司 | Automatic rapid detection method for trace chloride ion in water vapor of power plant and system and application |
| CN105675594A (en) * | 2014-11-18 | 2016-06-15 | 国家电网公司 | Working fluid for detection of chlorine ions in water vapor in power plant and detection method and use |
| CN106290493A (en) * | 2015-05-18 | 2017-01-04 | 江苏英诺华医疗技术有限公司 | A kind of blood gas analyzer and detection method |
| CN107796951A (en) * | 2017-11-15 | 2018-03-13 | 成都理工大学 | A kind of two-way automatic sampler system and its operating method |
| CN107907672A (en) * | 2017-12-11 | 2018-04-13 | 深圳市康立生物医疗有限公司 | A kind of flow path system |
| CN108519334A (en) * | 2018-04-08 | 2018-09-11 | 河南农业大学 | A kind of soil nutrient automatic checkout system and detection method |
| CN111410322A (en) * | 2020-02-28 | 2020-07-14 | 华电电力科学研究院有限公司 | Online intelligent circulating water softening treatment device and working method thereof |
| 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 |
| WO2021027395A1 (en) * | 2019-08-13 | 2021-02-18 | 梅州康立高科技有限公司 | Automatic quality control system and method of electrolyte analyzer |
| CN114545014A (en) * | 2022-04-22 | 2022-05-27 | 成都理工大学 | Double-channel sample introduction system |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631960B (en) * | 2012-04-28 | 2013-12-11 | 常州派斯杰医疗设备有限公司 | Switching device |
| CN102631960A (en) * | 2012-04-28 | 2012-08-15 | 常州派斯杰医疗设备有限公司 | Switching device |
| CN103604859A (en) * | 2013-11-25 | 2014-02-26 | 深圳市锦瑞电子有限公司 | Electrolyte analyzer and test method thereof |
| CN103604859B (en) * | 2013-11-25 | 2016-05-04 | 深圳市锦瑞电子有限公司 | Blomelicalbloodgasandelectrolrteanalyzers and method of testing thereof |
| CN105675594A (en) * | 2014-11-18 | 2016-06-15 | 国家电网公司 | Working fluid for detection of chlorine ions in water vapor in power plant and detection method and use |
| CN106290493A (en) * | 2015-05-18 | 2017-01-04 | 江苏英诺华医疗技术有限公司 | A kind of blood gas analyzer and detection method |
| CN105334167A (en) * | 2015-10-20 | 2016-02-17 | 华北电力科学研究院有限责任公司 | Automatic rapid detection method for trace chloride ion in water vapor of power plant and system and application |
| CN107796951A (en) * | 2017-11-15 | 2018-03-13 | 成都理工大学 | A kind of two-way automatic sampler system and its operating method |
| CN107907672A (en) * | 2017-12-11 | 2018-04-13 | 深圳市康立生物医疗有限公司 | A kind of flow path system |
| CN108519334A (en) * | 2018-04-08 | 2018-09-11 | 河南农业大学 | A kind of soil nutrient automatic checkout system and detection method |
| CN108519334B (en) * | 2018-04-08 | 2020-09-22 | 河南农业大学 | Automatic detection system and detection method for soil nutrients |
| 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 |
| WO2021027395A1 (en) * | 2019-08-13 | 2021-02-18 | 梅州康立高科技有限公司 | Automatic quality control system and method of electrolyte analyzer |
| CN111410322A (en) * | 2020-02-28 | 2020-07-14 | 华电电力科学研究院有限公司 | Online intelligent circulating water softening treatment device and working method thereof |
| CN114545014A (en) * | 2022-04-22 | 2022-05-27 | 成都理工大学 | Double-channel sample introduction system |
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Effective date of registration: 20160113 Address after: 523740, Dongguan, Guangdong Province, Fenggang Town, Yan Tian Road, Hong Ying Industrial Zone Patentee after: Dongguan hundred Mould Technology Co., Ltd. Address before: 518060 School of medicine, Shenzhen University, Guangdong, Shenzhen Patentee before: Zhang Huisheng Patentee before: Shenzhen University |
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Address after: 523740, Dongguan, Guangdong Province, Fenggang Town, Yan Tian Road, Hong Ying Industrial Zone Patentee after: Dongguan one hundred medical technology Co., Ltd. Address before: 523740, Dongguan, Guangdong Province, Fenggang Town, Yan Tian Road, Hong Ying Industrial Zone Patentee before: Dongguan hundred Mould Technology Co., Ltd. |
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