CN117531423A - Cleaning agent diluting device and sample analyzer - Google Patents

Cleaning agent diluting device and sample analyzer Download PDF

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Publication number
CN117531423A
CN117531423A CN202311774259.7A CN202311774259A CN117531423A CN 117531423 A CN117531423 A CN 117531423A CN 202311774259 A CN202311774259 A CN 202311774259A CN 117531423 A CN117531423 A CN 117531423A
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CN
China
Prior art keywords
way valve
liquid
liquid inlet
cleaning agent
inlet pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311774259.7A
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Chinese (zh)
Inventor
黄泳
王晶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Wujiang Life Science Co ltd
Original Assignee
Shenzhen Wujiang Life Science Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Wujiang Life Science Co ltd filed Critical Shenzhen Wujiang Life Science Co ltd
Priority to CN202311774259.7A priority Critical patent/CN117531423A/en
Publication of CN117531423A publication Critical patent/CN117531423A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/714—Feed mechanisms for feeding predetermined amounts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/24—Mixing of ingredients for cleaning compositions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention belongs to the field of in-vitro diagnosis automation equipment, and particularly relates to a cleaning agent diluting device and a sample analyzer, wherein the cleaning agent diluting device comprises a liquid storage container, a concentrated solution conveying component, a diluting solution conveying component and a control component; the concentrated solution conveying component comprises a two-way valve, a first liquid inlet pump, a first three-way valve and a first calibration pipeline; the diluent conveying component comprises a second three-way valve, a second liquid inlet pump, a third three-way valve and a second calibration pipeline; the two-way valve, the first liquid inlet pump, the first three-way valve, the first calibration pipeline, the second three-way valve, the second liquid inlet pump, the third three-way valve and the second calibration pipeline are all electrically connected with the control assembly and controlled by the control assembly. The invention can ensure that the diluted concentration reaches the preset diluted concentration and avoid the diluted concentration from deviating from the preset diluted concentration after a period of use.

Description

Cleaning agent diluting device and sample analyzer
Technical Field
The invention belongs to the field of in-vitro diagnosis automation equipment, and particularly relates to a cleaning agent diluting device and a sample analyzer.
Background
In full-automatic chemiluminescence immunoassay analyzers, cleaning solutions are commonly used for cleaning various instruments. In order to facilitate transportation and storage, the cleaning agent is concentrated solution, so that the concentrated solution needs to be diluted by a diluting solution through a cleaning agent diluting device before the instrument is used. However, the diluted concentration of the cleaning agent in the conventional cleaning agent diluting device deviates from the preset diluted concentration after the device is used for a period of time, so that the test result of the instrument is affected.
Disclosure of Invention
The present invention aims to overcome the above-mentioned disadvantages of the prior art and provides a cleaning agent dilution device which aims to solve the problem that the dilution concentration of the cleaning agent dilution device deviates from a preset dilution concentration after a period of use.
The invention is realized in the following way:
the cleaning agent diluting device is characterized by comprising a liquid storage container, a concentrated solution conveying assembly, a diluting solution conveying assembly and a control assembly;
the concentrated solution conveying assembly comprises a two-way valve, a first liquid inlet pump, a first three-way valve and a first calibration pipeline, wherein a liquid inlet of the two-way valve is communicated with the concentrated solution supply unit, a liquid outlet of the two-way valve is communicated with a liquid inlet of the first liquid inlet pump, the first three-way valve is provided with a first end, a second end and a third end, the first end, the second end and the third end of the first three-way valve are respectively communicated with the liquid outlet of the first liquid inlet pump, the liquid storage container and the first calibration pipeline, and the first calibration pipeline can calculate the liquid inlet amount per unit time;
the diluent conveying assembly comprises a second three-way valve, a second liquid inlet pump, a third three-way valve and a second calibration pipeline, wherein the second three-way valve and the third three-way valve are respectively provided with a first end, a second end and a third end, the first end, the second end and the third end of the second three-way valve are respectively communicated with a diluent supply unit, a liquid storage container and a liquid inlet of the second liquid inlet pump, the second end of the second three-way valve is communicated to the bottom of the liquid storage container, the first end, the second end and the third end of the third three-way valve are respectively communicated to a liquid outlet of the second liquid inlet pump, the liquid storage container and the second calibration pipeline, and the second calibration pipeline can calculate the liquid inlet amount in unit time;
the two-way valve, the first liquid inlet pump, the first three-way valve, the first calibration pipeline, the second three-way valve, the second liquid inlet pump, the third three-way valve and the second calibration pipeline are all electrically connected with the control assembly and controlled by the control assembly.
Optionally, the cleaning agent diluting device further comprises a liquid level detecting component, wherein the liquid level detecting component is used for detecting the liquid level of the liquid in the liquid storage container.
Optionally, the liquid level detection assembly comprises at least one liquid level sensor arranged in the liquid storage container; and/or the number of the groups of groups,
the liquid level detection assembly comprises at least one float sensor arranged outside the liquid storage container.
Optionally, at least two liquid level sensors or the float sensors are arranged, and are respectively arranged at intervals from top to bottom in sequence.
Optionally, a pipeline bubble detection device is arranged between the two-way valve and the first liquid inlet pump; and/or the number of the groups of groups,
and a pipeline bubble detection device is arranged between the second three-way valve and the second liquid inlet pump.
Optionally, a filter is provided between the two-way valve and the concentrate supply unit.
Optionally, a filter is provided between the second three-way valve and the diluent supply unit.
Optionally, the second calibration pipeline is provided with a liquid outlet.
Optionally, the control assembly further comprises a display screen, wherein the display screen is at least used for displaying the liquid inlet amount of the concentrated liquid in unit time and the liquid inlet amount of the diluted liquid in unit time.
The invention also provides a sample analyzer, which comprises the cleaning agent diluting device.
According to the invention, the first calibration pipeline and the second calibration pipeline are arranged, so that the liquid inlet amount of the concentrated liquid and the diluted liquid can be obtained when the concentrated liquid and the diluted liquid are independently fed, the control assembly is convenient to control the total liquid inlet amount of the concentrated liquid and the diluted liquid entering the liquid storage container by adjusting the liquid inlet time, and then the concentrated liquid and the diluted liquid are fully and uniformly mixed, so that the diluted concentration can be ensured to reach the preset diluted concentration, and the diluted concentration is prevented from deviating from the preset diluted concentration after the diluted liquid is used for a period of time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a cleaning agent diluting device according to an embodiment of the present invention.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
100 Liquid storage container
200 Concentrate delivery assembly
210 Double-way valve 220 First liquid inlet pump
230 First three-way valve 240 First calibration pipeline
300 Diluent delivery assembly
310 Second three-way valve 320 Second liquid inlet pump
330 Third three-way valve 340 Second calibration pipeline
400 Liquid level detection assembly
410 Float sensor
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, an embodiment of the invention provides a cleaning agent diluting device, which includes a liquid storage container 100, a concentrate delivery assembly 200, a diluent delivery assembly 300, and a control assembly (not shown).
The liquid storage container 100 is used for storing a cleaning liquid, wherein the cleaning liquid is a mixed liquid of concentrated liquid and diluent, and the size, the dimension and the shape of the liquid storage container 100 are set according to requirements; in the embodiment of the present invention, the liquid storage container 100 is made of plastic material, however, in other embodiments, the liquid storage container 100 may be made of glass material.
The concentrate delivery assembly 200 includes a two-way valve 210, a first liquid inlet pump 220, a first three-way valve 230, and a first calibration pipeline 240, wherein a liquid inlet of the two-way valve 210 is connected to the concentrate supply unit, a liquid outlet of the two-way valve 210 is connected to a liquid inlet of the first liquid inlet pump 220, the first three-way valve 230 has a first end, a second end, and a third end, the first end, the second end, and the third end of the first three-way valve 230 are respectively connected to a liquid outlet of the first liquid inlet pump 220, the liquid storage container 100, and the first calibration pipeline 240 can calculate a liquid inlet amount per unit time.
The diluent delivery assembly 300 includes a second three-way valve 310, a second liquid inlet pump 320, a third three-way valve 330 and a second calibration pipeline 340, the second three-way valve 310 and the third three-way valve 330 each have a first end, a second end and a third end, the first end, the second end and the third end of the second three-way valve 310 are respectively connected to the liquid inlets of the concentrate supply unit, the liquid storage container 100 and the second liquid inlet pump 320, the second end of the second three-way valve 310 is connected to the bottom of the liquid storage container 100, the first end, the second end and the third end of the third three-way valve 330 are respectively connected to the liquid outlet of the second liquid inlet pump 320, the liquid storage container 100 and the second calibration pipeline 340, and the second calibration pipeline 340 can calculate the liquid inlet amount per unit time.
The two-way valve 210, the first feed pump 220, the first three-way valve 230, the first calibration line 240, the second three-way valve 310, the second feed pump 320, the third three-way valve 330, and the second calibration line 340 are all electrically connected to and controlled by the control assembly.
Here, the first end, the second end, and the third end of the first three-way valve 230, the second three-way valve 310, and the third three-way valve 330 are one of a common end, a normally-open end, and a normally-closed end, respectively, and may be selected according to the requirements, for example, the first end, the second end, and the third end may be the common end, the normally-open end, and the normally-closed end, respectively, or the first end, the second end, and the third end may be the common end, the normally-closed end, and the normally-open end, respectively.
Based on the structural design of the invention, the following operations can be performed:
(1) Concentrate feed: opening the two-way valve 210 to keep the first end and the second end of the first three-way valve 230 conductive, and the first end and the third end are blocked, starting the first liquid inlet pump 220, and at this time, the first liquid inlet pump 220 drives the concentrated liquid to enter the liquid storage container 100;
(2) Calibrating the liquid inlet amount of the concentrated solution: opening the two-way valve 210 to enable the first end and the third end of the first three-way valve 230 to be conducted, blocking the conduction between the first end and the second end of the first three-way valve 230, starting the first liquid inlet pump 220, driving the concentrated liquid to enter the first calibration pipeline 240 at the moment by the first liquid inlet pump 220, and obtaining the liquid inlet amount of the concentrated liquid in unit time by the first calibration pipeline 240 according to the liquid inlet amount in unit time, wherein the liquid inlet amount of the concentrated liquid in unit time is obtained by the first calibration pipeline 240, so that the control assembly is convenient to control the total liquid inlet amount of the concentrated liquid entering the liquid storage container 100 by adjusting the liquid inlet time of the concentrated liquid;
(3) Dilution liquid inlet: the first end and the third end of the second three-way valve 310 are conducted, the first end and the second end of the second three-way valve 310 are plugged to be conducted, the first end and the second end of the third three-way valve 330 are kept to be conducted, the second liquid inlet pump 320 is started, and at the moment, the second liquid inlet pump 320 drives the diluent to enter the liquid storage container 100;
(4) Calibrating the liquid inlet amount of the diluent: the first end and the third end of the second three-way valve 310 are conducted, the first end and the second end of the second three-way valve 310 are plugged, the first end and the third end of the third three-way valve 330 are conducted, the first end and the second end of the third three-way valve 330 are plugged, the second liquid inlet pump 320 is started, at the moment, the second liquid inlet pump 320 can drive the diluent to enter the second calibration pipeline 340, the second calibration pipeline 340 obtains the liquid inlet amount of the diluent in unit time according to the liquid inlet amount in unit time, the liquid inlet amount of the diluent in unit time is obtained through the second calibration pipeline 340, and the control assembly is convenient for controlling the total liquid inlet amount of the diluent into the liquid storage container 100 by adjusting the liquid inlet time of the diluent;
(5) Mixing the concentrated solution and the diluted solution uniformly: the first end and the second end of the second three-way valve 310 are kept conductive, the first end and the third end are blocked, the first end and the second end of the third three-way valve 330 are kept conductive, the first end and the third end are blocked, the second liquid inlet pump 320 is started, at this time, liquid can be sucked from the liquid storage container 100 at the second end of the second three-way valve 310, and then liquid can be fed from the second end of the third three-way valve 330 to the liquid storage container 100, so that concentrated liquid and diluted liquid can be uniformly mixed, and the cleaning liquid can be obtained.
Based on the above, the first calibration pipeline 240 and the second calibration pipeline 340 are provided, so that the liquid inlet amount of the concentrated liquid and the diluted liquid can be obtained when the concentrated liquid and the diluted liquid are independently fed, the control assembly is convenient to control the total liquid inlet amount of the concentrated liquid and the diluted liquid entering the liquid storage container 100 by adjusting the liquid inlet time, and the concentrated liquid and the diluted liquid are circularly and uniformly mixed by controlling the second three-way valve, the second liquid inlet pump and the third three-way valve, so that the diluted concentration can be ensured to reach the preset diluted concentration, and the diluted concentration is prevented from deviating from the preset diluted concentration after a period of use.
It should be noted that, the first calibration pipeline 240 and the second calibration pipeline 340 are provided with flow meters, and may also be provided with liquid outlets respectively, and the external pipeline is connected to an external measurement container, and the liquid inlet amount is manually measured by controlling the liquid inlet time of the liquid inlet pump.
In the embodiment of the present invention, the second calibration pipe 340 is provided with a liquid outlet. As such, when the liquid in the liquid storage container 100 needs to be discharged, the liquid can be discharged through the second calibration line 340, specifically, the liquid is discharged: the first end and the second end of the second three-way valve 310 are kept conductive, the first end and the third end are blocked, the first end and the third end of the third three-way valve 330 are kept conductive, the first end and the second end are blocked, the second liquid inlet pump 320 is started, and at this time, the liquid can be conveyed to the second calibration pipeline 340 and discharged through the second calibration pipeline 340.
Based on this, when the liquid stored in the liquid storage container 100 is the cleaning liquid, the external device may acquire the cleaning liquid at the second calibration line 340. When the liquid storage container 100 needs to be cleaned, the operation of feeding the diluent is performed first, and then the operation of discharging the liquid is performed.
Of course, the external device may also access the cleaning solution directly through the cleaning solution tube into the reservoir 100.
Referring to fig. 1, in the embodiment of the present invention, the cleaning agent diluting device further includes a liquid level detecting assembly 400, and the liquid level detecting assembly 400 is used for detecting the liquid level of the liquid in the liquid storage container 100. Thus, the corresponding operation can be performed according to the liquid level of the liquid in the liquid storage container 100.
Specifically, the fluid level detection assembly 400 includes at least one fluid level sensor 410 disposed within the reservoir 100. The liquid level sensor 410 has a simple structure, which is beneficial to reducing the cost.
Specifically, the liquid level sensors 410 are at least two, and are respectively arranged at intervals from top to bottom. When the number of the liquid level sensors 410 is set to two, the liquid level sensor 410 with the lowest level is used for detecting whether the liquid in the liquid storage container 100 is lower than the lowest preset value, so that the liquid in the liquid storage container 100 is prevented from being too low to influence the subsequent operation, and the liquid level sensor 410 with the highest level is used for detecting whether the liquid in the liquid storage container 100 is lower than the highest preset value, so that the liquid is prevented from overflowing the liquid storage container 100; when the number of the liquid level sensors 410 is greater than two, the liquid level sensor may be disposed between the liquid level sensor 410 with the lowest level and the liquid level sensor 410 with the highest level, so as to monitor the change condition of the liquid in the liquid storage container 100.
In addition, in other embodiments, the fluid level detection assembly 400 includes at least one float sensor disposed outside of the reservoir 100. Wherein, because the float sensor is positioned outside the liquid storage container 100, if damage occurs, the replacement is convenient.
Similarly, at least two float sensors are arranged, and are respectively arranged at intervals from top to bottom.
In the embodiment of the present invention, a pipeline bubble detection device is disposed between the two-way valve 210 and the first liquid inlet pump 220, and a pipeline bubble detection device is disposed between the second three-way valve 310 and the second liquid inlet pump 320. The device comprises a concentrated solution supply unit, a diluting solution supply unit, a pipeline bubble detection device, a concentrated solution detection device, a pipeline bubble detection device and a pipeline bubble detection device.
Referring to fig. 1, in an embodiment of the present invention, a filter is provided between the two-way valve 210 and the concentrate supply unit. Thus, the impurities in the concentrated solution can be prevented from flowing into the cleaning agent diluting device.
Likewise, a filter is also provided between the second three-way valve 310 and the diluent supply unit. Thus, the impurities in the diluent can be prevented from flowing into the cleaning agent diluting device.
In the embodiment of the invention, the control assembly further comprises a display screen, and the display screen is at least used for displaying the liquid inlet amount of the concentrated liquid in unit time and the liquid inlet amount of the diluted liquid in unit time. The user can intuitively know the liquid inlet amount of the concentrated solution in unit time and the liquid inlet amount of the diluted solution in unit time, and is convenient for the user to adjust the liquid inlet time of the concentrated solution and the liquid inlet time of the diluted solution.
The invention also provides a sample analyzer, which comprises a cleaning agent diluting device, and the specific structure of the cleaning agent diluting device refers to the embodiment, and because the sample analyzer adopts all the technical schemes of all the embodiments, the sample analyzer also has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The cleaning agent diluting device is characterized by comprising a liquid storage container, a concentrated solution conveying assembly, a diluting solution conveying assembly and a control assembly;
the concentrated solution conveying assembly comprises a two-way valve, a first liquid inlet pump, a first three-way valve and a first calibration pipeline, wherein a liquid inlet of the two-way valve is communicated with the concentrated solution supply unit, a liquid outlet of the two-way valve is communicated with a liquid inlet of the first liquid inlet pump, the first three-way valve is provided with a first end, a second end and a third end, the first end, the second end and the third end of the first three-way valve are respectively communicated with the liquid outlet of the first liquid inlet pump, the liquid storage container and the first calibration pipeline, and the first calibration pipeline can calculate the liquid inlet amount per unit time;
the diluent conveying assembly comprises a second three-way valve, a second liquid inlet pump, a third three-way valve and a second calibration pipeline, wherein the second three-way valve and the third three-way valve are respectively provided with a first end, a second end and a third end, the first end, the second end and the third end of the second three-way valve are respectively communicated with a diluent supply unit, a liquid storage container and a liquid inlet of the second liquid inlet pump, the second end of the second three-way valve is communicated to the bottom of the liquid storage container, the first end, the second end and the third end of the third three-way valve are respectively communicated to a liquid outlet of the second liquid inlet pump, the liquid storage container and the second calibration pipeline, and the second calibration pipeline can calculate the liquid inlet amount in unit time;
the two-way valve, the first liquid inlet pump, the first three-way valve, the first calibration pipeline, the second three-way valve, the second liquid inlet pump, the third three-way valve and the second calibration pipeline are all electrically connected with the control assembly and controlled by the control assembly.
2. The cleaning agent dilution device defined in claim 1, further comprising a liquid level detection assembly for detecting a level of liquid in the liquid storage container.
3. The cleaning agent dilution apparatus defined in claim 2, wherein the liquid level detection assembly comprises at least one liquid level sensor disposed within the liquid reservoir; and/or the number of the groups of groups,
the liquid level detection assembly comprises at least one float sensor arranged outside the liquid storage container.
4. A cleaning agent diluting device according to claim 3, wherein at least two liquid level sensors or float sensors are provided, and are respectively provided at intervals in sequence from top to bottom.
5. The cleaning agent diluting apparatus of claim 1 wherein a line bubble detecting means is provided between said two-way valve and said first liquid inlet pump; and/or the number of the groups of groups,
and a pipeline bubble detection device is arranged between the second three-way valve and the second liquid inlet pump.
6. The cleaning agent dilution apparatus defined in claim 1, wherein a filter is provided between the two-way valve and the concentrate supply unit.
7. The cleaning agent diluting apparatus according to claim 1, wherein a filter is provided between the second three-way valve and the diluent supply unit.
8. The cleaning agent dilution apparatus defined in claim 1, wherein the second calibration line is provided with a fluid outlet.
9. The cleaning agent dilution apparatus of claim 1, wherein the control assembly further comprises a display screen for displaying at least an amount of liquid feed per unit time of concentrate and an amount of liquid feed per unit time of diluent.
10. A sample analyzer comprising a cleaning agent dilution apparatus according to any one of claims 1-9.
CN202311774259.7A 2023-12-20 2023-12-20 Cleaning agent diluting device and sample analyzer Pending CN117531423A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311774259.7A CN117531423A (en) 2023-12-20 2023-12-20 Cleaning agent diluting device and sample analyzer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311774259.7A CN117531423A (en) 2023-12-20 2023-12-20 Cleaning agent diluting device and sample analyzer

Publications (1)

Publication Number Publication Date
CN117531423A true CN117531423A (en) 2024-02-09

Family

ID=89788264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311774259.7A Pending CN117531423A (en) 2023-12-20 2023-12-20 Cleaning agent diluting device and sample analyzer

Country Status (1)

Country Link
CN (1) CN117531423A (en)

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