CN219434729U - Full-automatic double-flow electrolyte analyzer - Google Patents
Full-automatic double-flow electrolyte analyzer Download PDFInfo
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- CN219434729U CN219434729U CN202320672531.XU CN202320672531U CN219434729U CN 219434729 U CN219434729 U CN 219434729U CN 202320672531 U CN202320672531 U CN 202320672531U CN 219434729 U CN219434729 U CN 219434729U
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Abstract
The utility model discloses a full-automatic double-flow electrolyte analyzer, which comprises an analyzer body and a sample disc assembly arranged on one side of the analyzer body; a plurality of sample tubes are placed on the sample tray assembly; an automatic sample injection mechanism is arranged in the analyzer body, and a sample to be measured in a sample test tube on the sample tray assembly is sucked through a sample injection needle of the automatic sample injection mechanism; an electrode measuring mechanism is arranged in the analyzer body and can be used for independently measuring the concentration of electrolyte ions in a to-be-detected measurement sample; a reactor measuring mechanism is arranged in the analyzer body and reacts with a fixed sample to be detected to independently measure the concentration of carbon dioxide; the sample injection needle of the automatic sample injection mechanism can also continuously absorb the sample to be measured in the sample test tube twice to respectively measure the concentration of electrolyte ions measured by the electrode measuring mechanism and the concentration of carbon dioxide measured by the reactor measuring mechanism.
Description
Technical Field
The utility model relates to the technical field of electrolyte analyzers, in particular to a full-automatic double-flow-path electrolyte analyzer.
Background
Electrolyte analyzers are indispensable in clinical tests, where they are mainly tested to maintain the balance of osmotic pressure in human blood, body fluids. The electrolyte analyzer is used as an instrument for detecting the concentration of electrolyte ions, and provides a powerful basis for clinical diagnosis.
Electrolyte analyzers typically measure the concentration of electrolyte ions in a sample using ion selective electrode methods, while also measuring the concentration of carbon dioxide in the sample through a reactor.
The existing electrolyte analyzer is a single flow path, samples need to be sequentially measured for electrolyte ions and carbon dioxide concentration, and cannot be measured alone or two samples are sucked simultaneously for measuring the electrolyte ions and the carbon dioxide concentration.
Disclosure of Invention
The utility model aims to provide a full-automatic double-flow electrolyte analyzer so as to solve the defects of the existing electrolyte analyzer.
In order to solve the technical problems, the utility model provides a full-automatic double-flow electrolyte analyzer, which comprises an analyzer body and a sample disc assembly arranged at one side of the analyzer body;
a plurality of sample tubes are placed on the sample tray assembly;
an automatic sample injection mechanism is arranged in the analyzer body, and a sample to be measured in a sample test tube on the sample tray assembly is sucked through a sample injection needle of the automatic sample injection mechanism;
an electrode measuring mechanism is arranged in the analyzer body and can be used for independently measuring the concentration of electrolyte ions in a to-be-detected measurement sample;
a reactor measuring mechanism is arranged in the analyzer body and reacts with a fixed sample to be detected to independently measure the concentration of carbon dioxide;
the sample injection needle of the automatic sample injection mechanism can also continuously absorb the sample to be measured in the sample test tube twice to respectively measure the concentration of electrolyte ions measured by the electrode measuring mechanism and the concentration of carbon dioxide measured by the reactor measuring mechanism.
Preferably, the electrode measuring mechanism comprises an electrode assembly, a sample pump and a first electromagnetic valve assembly, and the electrode assembly, the sample pump and the first electromagnetic valve assembly are sequentially connected through pipelines.
Preferably, the first electromagnetic valve assembly comprises an A/B valve and a liquid-air valve, and the A/B valve and the liquid-air valve are sequentially arranged along the flowing direction of the reagent.
Preferably, one end of the sample injection needle of the automatic sample injection mechanism, which is far away from the electrode assembly, is communicated with a liquid supply port, a liquid supply pipeline of the liquid supply port sequentially passes through the liquid empty valve and the A/B valve to be respectively connected with an A standard liquid bottle and a B oblique standard liquid bottle, and the A standard liquid and the B oblique standard liquid in the A standard liquid bottle and the B oblique standard liquid bottle are respectively pumped into the electrode assembly through the sample pump.
Preferably, the reactor measuring mechanism comprises a reactor, a reaction pump and a sensor, wherein one end of the reaction pump is connected with the reactor through a pipeline, the other end of the reaction pump is connected with an R reaction liquid reagent bottle through a pipeline, and the sample pump is connected with the reactor through a pipeline.
Preferably, the reactor measuring mechanism further comprises an exhaust valve, which is installed on a pipeline near one end of the sensor and is used for controlling the exhaust of the exhaust gas in the reactor.
Preferably, the inlet of the sample pump is connected with the liquid outlet pipeline of the electrode assembly through a pipeline, and the outlet of the sample pump is connected with the waste liquid bottle, so that the sample pump can pump a to-be-detected fixed sample to measure the concentration of electrolyte ions through the electrode assembly alone.
Preferably, the inlet of the sample pump is also connected with a liquid inlet pipeline of the electrode assembly through a pipeline, and the outlet is connected with the reactor through a pipeline; so that the sample pump can pump a fixed sample to be tested to measure the concentration of carbon dioxide through the reactor alone.
Preferably, a second electromagnetic valve is installed on a pipeline at the inlet end of the sample pump, a third electromagnetic valve is installed on a pipeline at the outlet end of the sample pump, and the second electromagnetic valve and the third electromagnetic valve are used for controlling the to-be-detected fixed sample to independently measure the concentration of electrolyte ions, independently measure the concentration of carbon dioxide or continuously absorb the electrolyte ions twice and simultaneously measure the concentration of the electrolyte ions and the concentration of the carbon dioxide.
Preferably, a waste liquid valve is installed on a pipeline between the waste liquid bottle and the reactor, and is used for controlling the discharge of waste liquid in the reactor.
Compared with the prior art, the utility model has the beneficial effects that:
1. the method comprises the steps that a second electromagnetic valve is arranged on a pipeline at the inlet end of a sample pump of the full-automatic double-flow electrolyte analyzer, a third electromagnetic valve is arranged on a pipeline at the outlet end of the sample pump, and the concentration of electrolyte ions, the concentration of carbon dioxide and the concentration of carbon dioxide are measured simultaneously by controlling a to-be-detected fixed sample to be measured independently through the second electromagnetic valve and the third electromagnetic valve;
2. the full-automatic double-flow electrolyte analyzer adopts a leadless and combined ion selective electrode manufactured by an inlet material, and excessive silver chloride is adopted in the electrode, so that the phenomenon of early failure is avoided, and meanwhile, all the electrodes adopt a unique full-sealing technology, so that the stability of the electrode is improved;
3. the flow path design of the full-automatic double-flow-path electrolyte analyzer adopts the micropore pipe diameter, and adopts a bubble detection sensor to detect bubbles, and the pipeline is flushed in the whole course. The method combining full-automatic calibration and manual calibration is used, and an intelligent end point judging program is adopted on an analysis method, so that an analysis result is more accurate.
Drawings
FIG. 1 is a front view of a fully automated dual flow electrolyte analyzer provided by the present utility model;
FIG. 2 is a side view of a fully automated dual flow electrolyte analyzer provided by the present utility model;
FIG. 3 is a rear view of a fully automated dual flow electrolyte analyzer provided by the present utility model;
FIG. 4 is a schematic diagram of the internal structure of a fully automatic dual-flow electrolyte analyzer provided by the utility model;
fig. 5 is a flow chart of a fully automatic dual flow electrolyte analyzer provided by the utility model.
In the figure: 1. an analyzer body; 2. a sample tray assembly; 3. an automatic sample injection mechanism; 4. an electrode assembly; 5. a sample pump; 6. a first solenoid valve assembly; 7. a liquid supply port; 8. a, a standard liquid bottle; 9. b, an oblique label liquid bottle; 10. a reactor; 11. a reaction pump; 12. a sensor; 13. r is a reaction liquid reagent bottle; 14. an exhaust valve; 15. a waste liquid bottle; 16. a second electromagnetic valve; 17. a third electromagnetic valve; 301. and a sample injection needle.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and specific examples. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Examples
The utility model provides a full-automatic double-flow electrolyte analyzer, referring to fig. 1-5, comprising an analyzer body 1 and a sample tray assembly 2 arranged at one side of the analyzer body 1; a plurality of sample test tubes are placed on the sample tray assembly 2; an automatic sample injection mechanism 3 is arranged in the analyzer body 1, and a sample to be measured in a sample test tube on the sample tray assembly 2 is sucked through a sample injection needle of the automatic sample injection mechanism 3; an electrode measuring mechanism is arranged in the analyzer body 1 and can be used for independently measuring the concentration of electrolyte ions in a to-be-detected measurement sample; a reactor measuring mechanism is arranged in the analyzer body 1 and reacts with a fixed sample to be detected to independently measure the concentration of carbon dioxide; the sample injection needle of the automatic sample injection mechanism 3 can also continuously absorb the sample to be measured in the sample test tube twice to respectively measure the concentration of electrolyte ions measured by the electrode measuring mechanism and the concentration of carbon dioxide measured by the reactor measuring mechanism.
Specifically, the electrode measuring mechanism comprises an electrode assembly 4, a sample pump 5 and a first electromagnetic valve assembly 6, and the electrode assembly 4, the sample pump 5 and the first electromagnetic valve assembly 6 are sequentially connected through pipelines. The flow path formed by the pipeline adopts the micropore pipe diameter, and adopts a bubble detection sensor to detect bubbles, and the pipeline is flushed in the whole process. The method combining full-automatic calibration and manual calibration is used, and an intelligent end point judging program is adopted on an analysis method, so that an analysis result is more accurate.
In some embodiments, the electrode assembly 4 is an ion selective electrode group, is arranged in an aluminum alloy electrode shielding cover, and is additionally provided with a sample grounding electrode, so that the electrode group works stably; and the electrode assembly of the electrolyte analyzer adopts a leadless and combined ion selective electrode manufactured by an inlet material, and excessive silver chloride is adopted in the electrode, so that the phenomenon of early failure is avoided, and meanwhile, all the electrodes adopt a unique full-sealing technology, so that the stability of the electrode is further improved.
In some embodiments, the ion-selective electrode employed in the electrode assembly 4 is an electrochemical sensor that converts changes in the activity of the ions to be measured in solution into changes in electrode potential in accordance with Nernst's equation. I.e., the logarithm of the activity of ions in solution is linear with electrode potential.
In an electrolyte in which most of the salt exists in the form of ions, an electro-exchange reaction occurs between the electrode having selectivity and the associated ions, the potential of the ion-selective electrode varies with the concentration of ions in the sample, and the reference electrode does not vary with the concentration of ions in the sample, a constant reference potential is provided at all times, whereby a potential difference is formed between the ion-selective electrode and the reference electrode, and the potential difference varies with the concentration of ions in the sample solution, and the concentration of the corresponding ions can be calculated by measuring the potential difference by the Nernst equation.
The electrolyte analyzer of the utility model adopts a two-point calibration method to measure the concentration of K, na, cl, ca ions and the pH value in the sample. I.e. two solutions of known concentration were measured first: and (3) measuring the potentials of the two solutions by the electrode, establishing a calibration curve in the instrument through the two potentials, measuring the potential of a sample with unknown concentration, and obtaining the ion concentration of the sample from the established calibration curve.
Further, the first solenoid valve assembly 6 includes an a/B valve and a liquid-air valve, which are sequentially disposed along the flow direction of the reagent.
One end of a sample injection needle 301 of the automatic sample injection mechanism 3, which is far away from the electrode assembly 4, is communicated with a liquid supply port 7, and a liquid supply pipeline of the liquid supply port 7 sequentially passes through the liquid empty valve and the A/B valve to be respectively connected with an A standard liquid bottle 8 and a B oblique standard liquid bottle 9, and the A standard liquid and the B oblique standard liquid in the A standard liquid bottle 8 and the B oblique standard liquid bottle 9 are respectively pumped into the electrode assembly 4 through the sample pump 5.
Specifically, the reactor measuring mechanism includes a reactor 10, a reaction pump 11 and a sensor 12 (may be a pressure sensor), one end of the reaction pump 11 is connected to the reactor 10 through a pipeline, the other end is connected to an R reaction liquid reagent bottle 13 through a pipeline, and the sample pump 5 is connected to the reactor 10 through a pipeline. In measurement, the reaction pump 11 introduces the reaction liquid in the R reaction liquid reagent bottle 13 into the reactor 10, and causes the reaction liquid to react with the sample to be measured introduced into the reactor 10 by the sample pump 5, and the measurement method is a method for measuring the carbon dioxide content by a measuring method.
The reactor measuring mechanism further comprises an exhaust valve 14 which is arranged on a pipeline near one end of the sensor 12 and is used for controlling the exhaust of the exhaust gas in the reactor 10; the inlet of the sample pump 5 is connected with the liquid outlet pipeline of the electrode assembly 4 through a pipeline, and the outlet is connected with the waste liquid bottle 15, so that the sample pump 5 can pump a fixed sample to be detected and measure the concentration of electrolyte ions through the electrode assembly 4 alone.
Specifically, the inlet of the sample pump 5 is also connected with the liquid inlet pipeline of the electrode assembly 4 through a pipeline, and the outlet is connected with the reactor 10 through a pipeline; so that the sample pump 5 can pump a fixed sample to be tested to measure the concentration of carbon dioxide solely through the reactor 10.
Further, a second electromagnetic valve 16 is installed on a pipeline at the inlet end of the sample pump 5, a third electromagnetic valve 17 is installed on a pipeline at the outlet end, and the concentration of electrolyte ions, the concentration of carbon dioxide and the concentration of carbon dioxide are measured simultaneously by controlling a to-be-detected fixed sample to be measured independently through the second electromagnetic valve 16 and the third electromagnetic valve 17.
A waste liquid valve is installed on a pipe between the waste liquid bottle 15 and the reactor 10 for controlling the discharge of waste liquid in the reactor 10.
Specifically, the automatic sample injection mechanism 3 includes a sample injection needle 301 and a sample injection needle seat for installing the sample injection needle 301; the device also comprises a lifting moving component for driving the sample injection needle 301 and the sample injection needle seat to longitudinally move and a horizontal moving component for driving the sample injection needle 301 and the sample injection needle seat to transversely move.
Further, the sample tray assembly 2 comprises a sample tray and a stepping motor for driving the sample tray to rotate, a plurality of sample grades are arranged on the sample tray, each sample grade can be provided with a sample test tube, the sample tray is continuously rotated under the driving of the stepping motor, and the automatic sampling mechanism 3 sequentially samples the plurality of sample test tubes. The electrolyte analyzer of the present utility model may be used in combination with various sample trays according to the use requirements. For example, 30 sample trays, which have 30 empty sites, among which 26 sample sites, 2 quality control sites (QC 1, QC 2), 1 emergency Site (ST) and 1 washing site (FLUSH) are provided.
The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (10)
1. The full-automatic double-flow electrolyte analyzer is characterized by comprising an analyzer body (1) and a sample disc assembly (2) arranged on one side of the analyzer body (1);
a plurality of sample test tubes are placed on the sample tray assembly (2);
an automatic sample injection mechanism (3) is arranged in the analyzer body (1), and a sample to be measured in a sample test tube on the sample tray assembly (2) is sucked through a sample injection needle of the automatic sample injection mechanism (3);
an electrode measuring mechanism is arranged in the analyzer body (1) and can be used for independently measuring the concentration of electrolyte ions in a to-be-detected measurement sample;
a reactor measuring mechanism is arranged in the analyzer body (1), and reacts with a fixed sample to be detected to independently measure the concentration of carbon dioxide;
the sample injection needle of the automatic sample injection mechanism (3) can also continuously absorb the sample to be measured in the sample test tube twice to respectively measure the concentration of electrolyte ions measured by the electrode measuring mechanism and the concentration of carbon dioxide measured by the reactor measuring mechanism.
2. The full-automatic double-flow electrolyte analyzer according to claim 1, wherein the electrode measuring mechanism comprises an electrode assembly (4), a sample pump (5) and a first electromagnetic valve assembly (6), and the electrode assembly (4), the sample pump (5) and the first electromagnetic valve assembly (6) are sequentially connected through pipelines.
3. A fully automatic dual flow electrolyte analyzer according to claim 2, wherein the first solenoid valve assembly (6) comprises an a/B valve and a liquid air valve, which are arranged in sequence in the flow direction of the reagent.
4. A fully automatic dual-flow electrolyte analyzer as claimed in claim 3, wherein the end of the injection needle (301) of the automatic injection mechanism (3) far away from the electrode assembly (4) is communicated with a liquid supply port (7), and the liquid supply pipeline of the liquid supply port (7) is respectively connected with an a standard liquid bottle (8) and a B oblique standard liquid bottle (9) through the liquid empty valve and the a/B valve in sequence, and the a standard liquid and the B oblique standard liquid in the a standard liquid bottle (8) and the B oblique standard liquid bottle (9) are respectively pumped into the electrode assembly (4) through the sample pump (5).
5. A fully automatic dual flow electrolyte analyzer according to claim 2, wherein the reactor measuring means comprises a reactor (10), a reaction pump (11) and a sensor (12), one end of the reaction pump (11) is connected to the reactor (10) through a pipeline, the other end is connected to an R reaction solution reagent bottle (13) through a pipeline, and the sample pump (5) is connected to the reactor (10) through a pipeline.
6. The fully automatic dual flow electrolyte analyzer of claim 5 wherein said reactor measurement mechanism further comprises a waste gas valve (14) mounted on the conduit near one end of said sensor (12) for controlling the exhaust of waste gases from said reactor (10).
7. A fully automatic dual flow electrolyte analyzer according to claim 5, characterized in that the inlet of the sample pump (5) is connected to the outlet of the electrode assembly (4) by a pipeline, and the outlet is connected to the waste liquid bottle (15), so that the sample pump (5) can pump the sample to be detected to determine the concentration of electrolyte ions solely through the electrode assembly (4).
8. The full-automatic dual-flow electrolyte analyzer as claimed in claim 7, wherein the inlet of the sample pump (5) is further connected to the inlet of the electrode assembly (4) through a pipeline, and the outlet is connected to the reactor (10) through a pipeline; the sample pump (5) is enabled to pump a fixed sample to be detected to measure the concentration of carbon dioxide solely through the reactor (10).
9. The full-automatic double-flow electrolyte analyzer according to claim 8, wherein a second electromagnetic valve (16) is installed on a pipeline at an inlet end of the sample pump (5), a third electromagnetic valve (17) is installed on a pipeline at an outlet end, and the second electromagnetic valve (16) and the third electromagnetic valve (17) are used for controlling a to-be-detected fixed sample to independently measure the concentration of electrolyte ions, independently measure the concentration of carbon dioxide or continuously absorb the electrolyte ions twice and simultaneously measure the concentration of the electrolyte ions and the concentration of the carbon dioxide.
10. A fully automatic dual flow electrolyte analyzer according to claim 7, characterized in that a waste liquid valve is mounted on the line between the waste liquid bottle (15) and the reactor (10) for controlling the discharge of waste liquid in the reactor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320672531.XU CN219434729U (en) | 2023-03-30 | 2023-03-30 | Full-automatic double-flow electrolyte analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320672531.XU CN219434729U (en) | 2023-03-30 | 2023-03-30 | Full-automatic double-flow electrolyte analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN219434729U true CN219434729U (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320672531.XU Active CN219434729U (en) | 2023-03-30 | 2023-03-30 | Full-automatic double-flow electrolyte analyzer |
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| CN (1) | CN219434729U (en) |
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- 2023-03-30 CN CN202320672531.XU patent/CN219434729U/en active Active
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