CN219224669U - Full-automatic electrolyte analyzer - Google Patents
Full-automatic electrolyte analyzer Download PDFInfo
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- CN219224669U CN219224669U CN202320123403.XU CN202320123403U CN219224669U CN 219224669 U CN219224669 U CN 219224669U CN 202320123403 U CN202320123403 U CN 202320123403U CN 219224669 U CN219224669 U CN 219224669U
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Abstract
The utility model discloses a full-automatic electrolyte analyzer, which comprises an analyzer body and a sample tray 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 is used for measuring the concentration of electrolyte ions in a fixed sample to be detected; the analyzer is characterized in that a reactor measuring mechanism is arranged in the analyzer body and reacts with a fixed sample to be detected to measure the concentration of carbon dioxide. The full-automatic electrolyte analyzer utilizes the sample tray assembly to load a plurality of sample test tubes for sampling analysis in sequence, has higher detection efficiency compared with the existing manual sample injection, and is also provided with the reactor measuring mechanism for measuring the concentration of carbon dioxide in a to-be-detected measurement sample.
Description
Technical Field
The utility model relates to the technical field of medical detection instruments, in particular to a full-automatic 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.
Currently, electrolyte analyzers commonly employ ion selective electrode methods to measure the concentration of electrolyte ions in a sample. The core of the method is an electrochemical sensor, namely an ion selective electrode. When the sample to be measured flows through the electrode, different ions in the sample to be measured penetrate through the corresponding selective dialysis membrane and chemically react with the electrode internal liquid, and potential difference is formed at two ends of the selective dialysis membrane, so that the ion concentration of the sample is measured.
Disclosure of Invention
The utility model aims to provide a full-automatic electrolyte analyzer, which sequentially performs sampling analysis by loading a plurality of sample test tubes by using a sample tray assembly, has higher detection efficiency compared with the existing manual sample injection, and is also provided with a reactor measuring mechanism for measuring the concentration of carbon dioxide in a sample to be detected.
In order to solve the technical problems, the utility model provides a full-automatic 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 is used for measuring the concentration of electrolyte ions in a fixed sample to be detected;
the analyzer is characterized in that a reactor measuring mechanism is arranged in the analyzer body and reacts with a fixed sample to be detected to measure the concentration of carbon dioxide.
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, which is far away from the electrode assembly, is communicated with a liquid supply port, and a liquid supply pipeline of the liquid supply port is connected with the reagent pack through the liquid empty valve and the A/B valve in sequence.
Preferably, a bubble detection sensor is arranged on a pipeline between the electrode assembly and the sample injection needle, so that bubbles in the pipeline can be detected.
Preferably, the reactor measuring mechanism comprises a reaction tank, a reaction pump and a sensor, wherein one end of the reaction pump is connected with the reaction tank through a pipeline, the other end of the reaction pump is connected with the reagent pack through a pipeline, and the sample pump is connected with the reaction tank 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 used for controlling the exhaust of the exhaust gas in the reaction tank.
Preferably, the reactor measuring mechanism further comprises a waste liquid bottle, wherein the waste liquid bottle is communicated with the reaction tank through a pipeline and is used for receiving waste liquid in the reaction tank;
and a waste liquid valve is arranged on a pipeline between the waste liquid bottle and the reaction tank and used for controlling the discharge of waste liquid in the reaction tank.
Preferably, the automatic sample injection mechanism comprises a sample injection needle and a sample injection needle seat for installing the sample injection needle; the device also comprises a lifting moving component for driving the sample injection needle and the sample injection needle seat to move longitudinally and a horizontal moving component for driving the sample injection needle and the sample injection needle seat to move transversely.
Preferably, the sample tray assembly 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, and the sample tray continuously rotates under the driving of the stepping motor, so that the automatic sampling mechanism sequentially samples the plurality of sample test tubes.
Compared with the prior art, the utility model has the beneficial effects that:
1. the full-automatic electrolyte analyzer utilizes the sample tray assembly to load a plurality of sample test tubes for sampling analysis in sequence, and has higher detection efficiency compared with the existing manual sample injection;
2. the full-automatic electrolyte analyzer is also provided with a reactor measuring mechanism and can measure the concentration of carbon dioxide in a sample to be detected;
3. the full-automatic 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;
4. the flow path design of the full-automatic 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 electrolyte analyzer provided by the present utility model;
FIG. 2 is a top view of a fully automated electrolyte analyzer provided by the present utility model;
FIG. 3 is a side cross-sectional view of a fully automatic electrolyte analyzer provided by the present utility model;
FIG. 4 is a schematic view of the internal structure of the fully automatic electrolyte analyzer provided by the present utility model;
FIG. 5 is a schematic diagram of a fully automated electrolyte analyzer provided by the present utility model;
FIG. 6 is a schematic structural diagram of an automatic sample feeding mechanism of a fully automatic electrolyte analyzer provided by the utility model;
fig. 7 is a schematic view of the structure of the back interior of the fully automatic electrolyte analyzer according to the present 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 reagent pack; 9. a bubble detection sensor; 10. a reaction tank; 11. a reaction pump; 12. a sensor; 13. an exhaust valve; 14. a waste liquid bottle; 15. a waste liquid valve; 16. a main board assembly; 17. a power supply assembly; 18. a touch screen; 19. a thermal printer; 301. a sample injection needle; 302. a sample injection needle seat; 303. a lifting moving assembly; 304. and a horizontal movement assembly.
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 electrolyte analyzer, please refer to fig. 1-3, 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 is used for measuring the concentration of electrolyte ions in a fixed sample to be detected; the analyzer body 1 is internally provided with a reactor measuring mechanism, and reacts with a fixed sample to be detected to measure the concentration of carbon dioxide.
Specifically, referring to fig. 4 and 5, the electrode measuring mechanism includes 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 a pipeline. 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 the sample injection needle, 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 is connected with a reagent pack 8 through the liquid empty valve and the A/B valve in sequence.
Specifically, a bubble detection sensor 9 is arranged on a pipeline between the electrode assembly 4 and the sample injection needle, so that bubbles in the pipeline can be detected; so that the sample pump 5 is able to suck up the sample to be detected every time it is operated and the sample pump 5 is calibrated by the bubble detection sensor 9 feeding back the bubbles in the line.
Specifically, referring to fig. 4 and 5, the reactor measurement mechanism includes a reaction tank 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 reaction tank 10 through a pipeline, the other end is connected to a reagent pack 8 through a pipeline, the sample pump 5 is connected to the reaction tank 10 through a pipeline, and during measurement, the reaction pump 11 introduces the reaction liquid in the reagent pack 8 into the reaction tank 10, and makes the reaction liquid react with the sample to be measured introduced into the reaction tank 10 by the sample pump 5, where the measurement method is a method for measuring carbon dioxide content by a measurement method.
Further, the reactor measuring mechanism further comprises an exhaust valve 13 installed on a pipeline near one end of the sensor 12 for controlling the exhaust of the exhaust gas in the reaction tank 10; the reactor measuring mechanism further comprises a waste liquid bottle 14, wherein the waste liquid bottle 14 is communicated with the reaction tank 10 through a pipeline and is used for receiving waste liquid in the reaction tank 10, and a waste liquid valve 15 is arranged on the pipeline between the waste liquid bottle 14 and the reaction tank 10 and is used for controlling the discharge of the waste liquid in the reaction tank 10.
Specifically, referring to fig. 6, the automatic sampling mechanism 3 includes a sampling needle 301 and a sampling needle seat 302 on which the sampling needle 301 is mounted; also included are a lifting and lowering assembly 303 for driving the sample needle 301 and the sample needle holder 302 to move longitudinally, and a horizontal movement assembly 304 for driving the sample needle 301 and the sample needle holder 302 to move laterally.
In some embodiments, the lifting moving component 303 comprises a lifting motor and a synchronous pulley, the sample injection needle seat 302 is connected to the synchronous belt, and the sample injection needle 301 and the sample injection needle seat 302 are driven to longitudinally move under the action of the lifting motor.
In some embodiments, the horizontal moving assembly 304 includes a horizontal motor and a screw assembly, the lifting moving assembly 303 is connected to the screw assembly, and the lifting moving assembly 303, the sample injection needle 301 and the sample injection needle seat 302 are driven to move laterally by the horizontal motor.
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.
Specifically, referring to fig. 7, a main board assembly 16 and a power supply assembly 17 for supplying power to the main board assembly 16 are disposed in the analyzer body 1, and the main board assembly 16 is used for controlling an automatic sample feeding mechanism, an electrode measuring mechanism and a reactor measuring mechanism; the main board assembly 16 adopts an embedded processor, all tests, calibration, electrode state monitoring and the like of the instrument are controlled by a program, all circuits adopt a single board design, all measuring components and flow path systems are combined into a unit to form an open structure, and the whole instrument adopts a modularized design.
Further, the power supply assembly 17 is further provided with a power switch, a power socket, a reagent connector, a booster, a USB and RS232 interface, and is used for supplying power or connecting with external equipment.
Specifically, referring to fig. 2, the analyzer body 1 is further provided with a touch screen 18, and parameters and analysis results of the sample to be measured and the display parameters are manually set through the touch screen 18; at the same time, the full-automatic electrolyte analyzer is also provided with a thermal printer 19 for printing the analysis result of the sample to be measured, and when the printing paper is replaced, the cover button is pressed by hand to take out the rest paper core, then a new paper roll is put on and pulled out, and then the front cover is closed
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 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 is used for measuring the concentration of electrolyte ions in a fixed sample to be detected;
the analyzer body (1) is internally provided with a reactor measuring mechanism, and reacts with a fixed sample to be detected to measure the concentration of carbon dioxide.
2. The full-automatic 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 electrolyte analyser according to claim 2, wherein the first solenoid valve assembly (6) comprises an a/B valve and a liquid-air valve, the a/B valve and the liquid-air valve being arranged in sequence in the direction of flow of the reagent.
4. A fully automatic electrolyte analyzer according to claim 3, wherein the end of the injection needle remote from the electrode assembly (4) is connected to a liquid supply port (7), and a liquid supply pipeline of the liquid supply port (7) is connected to a reagent pack (8) sequentially through the liquid-air valve and the a/B valve.
5. A fully automatic electrolyte analyser according to claim 3 wherein a bubble detection sensor (9) is provided on the line between the electrode assembly (4) and the sample injection needle to enable detection of bubbles in the line.
6. The full-automatic electrolyte analyzer according to claim 4, wherein the reactor measuring mechanism comprises a reaction tank (10), a reaction pump (11) and a sensor (12), one end of the reaction pump (11) is connected with the reaction tank (10) through a pipeline, the other end is connected with a reagent pack (8) through a pipeline, and the sample pump (5) is connected with the reaction tank (10) through a pipeline.
7. A fully automatic electrolyte analyzer according to claim 6, wherein the reactor measuring means further comprises an exhaust valve (13) mounted on the pipe near one end of the sensor (12) for controlling the exhaust of the exhaust gas in the reaction tank (10).
8. The fully automatic electrolyte analyzer as claimed in claim 6, wherein the reactor measuring mechanism further comprises a waste liquid bottle (14), and the waste liquid bottle (14) is communicated with the reaction tank (10) through a pipeline and is used for receiving waste liquid in the reaction tank (10);
a waste liquid valve (15) is arranged on a pipeline between the waste liquid bottle (14) and the reaction tank (10) and is used for controlling the discharge of waste liquid in the reaction tank (10).
9. A fully automatic electrolyte analyser according to claim 1, wherein the automatic sample injection mechanism (3) comprises a sample injection needle (301) and a sample injection needle seat (302) to which the sample injection needle (301) is mounted; the device also comprises a lifting moving component (303) for driving the sample injection needle (301) and the sample injection needle seat (302) to longitudinally move and a horizontal moving component (304) for driving the sample injection needle (301) and the sample injection needle seat (302) to transversely move.
10. A fully automatic electrolyte analyser according to claim 1, wherein the sample tray assembly (2) comprises a sample tray and a stepper motor for driving the sample tray to rotate, a plurality of sample stages are arranged on the sample tray, each sample stage can be provided with a sample test tube, the sample tray is driven by the stepper motor to rotate continuously, and the automatic sampling mechanism (3) samples a plurality of sample test tubes in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123403.XU CN219224669U (en) | 2023-01-17 | 2023-01-17 | Full-automatic electrolyte analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320123403.XU CN219224669U (en) | 2023-01-17 | 2023-01-17 | Full-automatic electrolyte analyzer |
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| CN219224669U true CN219224669U (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320123403.XU Active CN219224669U (en) | 2023-01-17 | 2023-01-17 | Full-automatic electrolyte analyzer |
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| CN (1) | CN219224669U (en) |
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- 2023-01-17 CN CN202320123403.XU patent/CN219224669U/en active Active
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