Sampling needle cleaning system

By designing a sample needle cleaning system for the spring cleaning tank for the sampling needle and a blow drying unit, the problem of sample dilution caused by hanging liquid on the surface of the sampling needle is solved, and more accurate detection results are achieved.

CN222778495UActive Publication Date: 2025-04-22江苏三联生物工程股份有限公司
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Patent Information

Application Number
CN202420916773.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-04-22
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

After cleaning the sample needle, the surface of the sample needle is prone to liquid hanging, resulting in dilution of the sample and affecting the accuracy of the detection results.

Method used

A sampling needle cleaning system is designed, including a spring cleaning tank, a cleaning liquid delivery unit and a blow drying unit. The cleaning liquid is transferred to the fountain cleaning tank through the cleaning liquid conveying unit, and gas is transported to the fountain cleaning tank by using the blow drying unit. The blow drying unit includes a blow blow joint, a gas pipe and a pressurizer for purge the hanging liquid on the surface of the sampling needle.

Benefits of technology

Effectively prevent the hanging liquid on the surface of the sampling needle from entering the next sample to be tested, avoiding sample dilution, thereby improving the accuracy of the detection results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a sampling needle cleaning system. The sampling needle cleaning system comprises a gush type cleaning pool, a cleaning liquid conveying unit and a blow-drying unit, the gush type cleaning pool is used for containing a sampling needle capable of moving up and down relative to the gush type cleaning pool, and the cleaning liquid conveying unit is communicated with the gush type cleaning pool and used for conveying cleaning liquid to the gush type cleaning pool; the blow-drying unit is communicated with the gushing type cleaning pool, and the blow-drying unit is used for conveying gas to the gushing type cleaning pool. Through the arrangement, after the sampling needle leaves the cleaning liquid level after being cleaned, the blow-drying unit can blow the outer surface of the sampling needle and blow off hanging liquid on the outer surface of the sampling needle, so that the hanging liquid on the surface of the sampling needle is prevented from entering a next to-be-detected sample along with the sampling needle to cause sample dilution, and the accuracy of a detection result is improved.
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Description

Technical Field

[0001] The present application relates to the field of biomedical technology, and in particular to a sampling needle cleaning system. Background Art

[0002] In medical testing, electrochemiluminescence is often used for immunoassays. An important component of an electrochemiluminescence instrument is a sampling needle used to extract test samples. After the sampling needle takes samples, it is necessary to clean the sampling needle to prevent cross contamination between different samples.

[0003] After the current cleaning instrument cleans the sampling needle, there is a phenomenon of liquid hanging on the surface of the sampling needle. The liquid hanging on the surface of the sampling needle is easy to enter the next sample to be tested along with the sampling needle and dilute the sample, thereby affecting the accuracy of the test result. Utility Model Content

[0004] Based on this, it is necessary to provide a sampling needle cleaning system to address the problem that liquid is attached to the surface of the sampling needle after the current cleaning instrument cleans the sampling needle.

[0005] A sampling needle cleaning system, comprising:

[0006] A spring-type cleaning pool, the spring-type cleaning pool is used to accommodate a sampling needle that can move up and down relative to itself;

[0007] A cleaning liquid delivery unit is connected to the spring-type cleaning pool, and the cleaning liquid delivery unit is used to deliver cleaning liquid to the spring-type cleaning pool;

[0008] A drying unit is connected to the spring-like cleaning pool, and the drying unit is used to transport gas to the spring-like cleaning pool.

[0009] In one embodiment, the blow-drying unit includes an air blowing connector, an air supply pipe and a first pressurizer. The air blowing connector is installed on the wall of the fountain-type cleaning pool and is connected to the interior of the fountain-type cleaning pool. The two ends of the air supply pipe are respectively connected to the air blowing connector and the first pressurizer.

[0010] In one embodiment, there are multiple air blowing joints and air supply pipes, and the multiple air blowing joints are distributed at intervals in the fountain cleaning pool, and each of the air blowing joints is connected to the first pressurizer through one of the air supply pipes.

[0011] In one embodiment, the fountain-type cleaning pool includes an outer pool and a fountain tube disposed in the outer pool, the outer pool is connected to the air blowing joint, and the fountain tube is connected to the cleaning liquid delivery unit.

[0012] In one embodiment, the blowing joint is arranged above the fountain tube.

[0013] In one of the embodiments, a partition is provided inside the spring tube, and a limiting through hole is opened on the partition that penetrates along the axial direction of the partition.

[0014] In one of the embodiments, the fountain-type cleaning pool also includes a docking tube, which is arranged at the bottom of the outer pool and communicated with the interior of the outer pool.

[0015] In one embodiment, the cleaning fluid delivery unit includes an infusion tube, a cleaning tank and a second pressurizer, the two ends of the infusion tube are respectively connected to the cleaning tank and the spring tube, the cleaning tank is used to store the cleaning fluid, and the second pressurizer is installed on the infusion tube.

[0016] In one embodiment, the sampling needle cleaning system further includes a waste liquid collecting unit, which is connected to the fountain-type cleaning pool, and is used to collect the cleaning liquid transferred to the fountain-type cleaning pool by the cleaning liquid delivery unit.

[0017] In one of the embodiments, the waste liquid collection unit includes a waste liquid collection pipe and a waste liquid collection tank, and both ends of the waste liquid collection pipe are respectively connected to the waste liquid collection tank and the.

[0018] The above-mentioned sampling needle cleaning system, by arranging a blowing unit to convey gas to the spring-type cleaning pool, is convenient for the blowing unit to blow the outer surface of the sampling needle after the sampling needle is cleaned, and blow off the liquid hanging on the outer surface of the sampling needle, so as to prevent the liquid hanging on the surface of the sampling needle from entering the next sample to be tested along with the sampling needle, thereby causing sample dilution, thereby improving the accuracy of the test result. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 Schematic diagram of the sampling needle cleaning system provided in this application.

[0020] in:

[0021] 10. Sampling needle cleaning system; 20. Sampling needle;

[0022] 100, spring-type cleaning pool; 110, outer pool; 120, spring tube; 130, partition; 131, limit through hole; 140, docking tube;

[0023] 200, cleaning liquid delivery unit; 210, infusion tube; 220, cleaning tank; 221, cleaning liquid; 230, second pressurizer;

[0024] 300, drying unit; 310, air blowing connector; 320, air delivery pipe; 330, first pressurizer; 340, air outlet pipe;

[0025] 400, waste liquid collection unit; 410, waste liquid collection pipe; 420, waste liquid collection tank. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0027] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0028] In addition, if the terms "first" or "second" appear, these terms are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0030] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0032] The applicant has found through research that liquid will remain on the sampling needle surface after cleaning with the current cleaning instrument, and the liquid on the sampling needle surface can easily enter the next sample to be tested along with the sampling needle and dilute the sample, thereby affecting the accuracy of the test results.

[0033] Based on this, see Figure 1 , Figure 1 A schematic diagram of a sampling needle cleaning system 10 in an embodiment of the present application is shown. The sampling needle cleaning system 10 provided in an embodiment of the present application includes a fountain-type cleaning pool 100, a cleaning liquid delivery unit 200 and a drying unit 300.

[0034] The spring-type cleaning pool 100 is used to accommodate a sampling needle 20 that can move up and down relative to itself. In a specific setting, the sampling needle 20 is set on a lifting mechanism. The sampling needle 20 moves up and down relative to the spring-type cleaning pool 100 through the lifting mechanism. The lifting mechanism can be a mechanical arm, and the lifting mechanism can also be a lifting cylinder, a screw motor and other structures. The cleaning liquid delivery unit 200 is connected to the spring-type cleaning pool 100. The cleaning liquid delivery unit 200 is used to transfer the cleaning liquid 221 to the spring-type cleaning pool 100 so that the cleaning liquid 221 cleans the sampling needle 20. In a specific setting, the cleaning liquid 221 is generally set to pure water. The cleaning liquid 221 can be stored in the cleaning liquid delivery unit 200 itself, and the cleaning liquid 221 can also be stored in other structures and transmitted to the spring-type cleaning pool 100 by the cleaning liquid delivery unit 200. It should be noted that the cleaning liquid 221 is not limited to the above-mentioned pure water, and can also be other cleaning liquids such as ethanol and hydrogen peroxide. In this application, the preferred cleaning liquid 221 is pure water. The drying unit 300 is connected to the spring-type cleaning pool 100 and is used to deliver gas to the spring-type cleaning pool 100 so that the gas dries the sampling needle 20. In a specific configuration, the drying unit 300 and the cleaning liquid delivery unit 200 are spaced apart in the spring-type cleaning pool 100.

[0035] During the specific operation, the sampling needle 20 is first moved into the fountain-type cleaning pool 100; the cleaning liquid delivery unit 200 is used to deliver the cleaning liquid 221 into the fountain-type cleaning pool 100 to clean the sampling needle 20; after the cleaning is completed, the sampling needle 20 is moved to the position where the blow-drying unit 300 is set in the fountain-type cleaning pool 100; and the blow-drying unit 300 is used to transmit the gas to the fountain-type cleaning pool 100 to blow dry the surface of the sampling needle 20 after cleaning.

[0036] The above-mentioned sampling needle cleaning system 10 is provided with a blowing unit 300 to transport gas to the spring-type cleaning pool 100, so that after the sampling needle 20 is cleaned, the blowing unit 300 blows the outer surface of the sampling needle 20 to blow off the hanging liquid on the outer surface of the sampling needle 20, thereby preventing the hanging liquid on the surface of the sampling needle 20 from entering the next sample to be tested along with the sampling needle 20, causing sample dilution, thereby improving the accuracy of the test result.

[0037] In order to more conveniently realize that the drying unit 300 delivers gas to the spring-like cleaning pool 100, a preferred embodiment is that the drying unit 300 includes a blowing joint 310, an air supply pipe 320 and a first pressurizer 330. The blowing joint 310 is installed on the pool wall of the spring-like cleaning pool 100 and is connected to the inside of the spring-like cleaning pool 100. The two ends of the air supply pipe 320 are respectively connected to the blowing joint 310 and the first pressurizer 330. In the specific setting, the first pressurizer 330 is generally set as an air supply pump, which is used to pump in external air. The air supply pump is preferably a diaphragm air pump. Through the above setting, the first pressurizer 330 will press the external gas into the air supply pipe 320, and the air supply pipe 320 will transport the gas to the blowing joint 310 and then transfer it to the spring-like cleaning pool 100, so that it is more convenient to realize that the drying unit 300 delivers gas to the spring-like cleaning pool 100. The entire drying unit 300 has a simple and convenient structure and strong practicality.

[0038] In order to quickly blow dry the sampling needle 20, specifically, the number of the blowing joints 310 and the air supply pipe 320 is multiple, and the multiple blowing joints 310 are spaced apart in the spring-type cleaning pool 100, and each blowing joint 310 is connected to the first pressurizer 330 through an air supply pipe 320. In the specific setting, the blowing unit 300 also includes an air outlet pipe 340, one end of the air outlet pipe 340 is connected to the first pressurizer 330, and the other end of the air outlet pipe 340 is connected to the end of all the air supply pipes 320 away from the blowing joint 310. It should be noted that the number of the blowing joints 310 is consistent with the number of the air supply pipes 320, and the specific number of the blowing joints 310 can be 2, 3, 4 or more, and the multiple blowing joints 310 can be spaced apart along the circumference of the spring-type cleaning pool 100. In the present application, the preferred number of the blowing joints 310 is 2, and the two blowing joints 310 are arranged opposite to each other. Through the above arrangement, external air is pressed into the air outlet pipe 340 through the first pressurizer 330, and the air outlet pipe 340 diverts the gas to each air supply pipe 320 and transmits it to the fountain-type cleaning pool 100 through the blowing joint 310 corresponding to the air supply pipe 320, so as to facilitate the gas to be blown from multiple directions to the sampling needle 20 located in the fountain-type cleaning pool 100, thereby accelerating the evaporation of the liquid on the surface of the sampling needle 20.

[0039] In order to more conveniently design a spring-type cleaning pool 100 that is convenient for cleaning and drying the sampling needle 20, specifically, the spring-type cleaning pool 100 includes an outer pool 110 and a spring tube 120 disposed in the outer pool 110, the outer pool 110 is connected to the air blowing joint 310, and the spring tube 120 is connected to the cleaning liquid delivery unit 200. In the specific setting, the spring tube 120 is nested in the outer pool 110, and the air blowing joint 310 is disposed on the outer pool 110. Through the above setting, the cleaning liquid delivery unit 200 transfers the cleaning liquid 221 stored in itself to the spring tube 120 to clean the sampling needle 20 moved into the spring tube 120. After the cleaning is completed, the sampling needle 20 moves out of the spring tube 120 to the position of the air blowing joint 310, so as to dry the sampling needle 20.

[0040] In order to facilitate the drying unit 300 to dry the cleaned sampling needle 20, more specifically, the air blowing joint 310 is arranged above the spring barrel 120. Through the above arrangement, after the sampling needle 20 is cleaned in the spring barrel 120, the sampling needle 20 is moved upward out of the cleaning liquid surface by the lifting mechanism, so that the drying unit 300 can blow air to the surface of the sampling needle 20 to evaporate the liquid on the surface, and prevent the hanging liquid on the surface of the sampling needle 20 from entering the next sample to be tested with the sampling needle 20, causing sample dilution, thereby improving the accuracy of the test result.

[0041] In order to better clean the sampling needle 20, more specifically, a partition 130 is provided inside the spring tube 120, and a limiting through hole 131 is provided on the partition 130 that penetrates along its own axial direction. In the specific setting, the cleaning liquid delivery unit 200 is connected to the space in the spring tube 120 located above the partition 130. Through the above setting, when cleaning the sampling needle 20, the sampling needle 20 can be moved into the spring tube 120 first. When the cleaning liquid 221 in the cleaning liquid delivery unit 200 is transferred to the spring tube 120, the cleaning liquid 221 will flush the sampling needle 20, and the flushed waste liquid flows from the limiting through hole 131 to the bottom of the spring cleaning pool 100 to ensure the cleaning effect of the sampling needle 20.

[0042] In order to more conveniently accommodate the waste liquid, more specifically, the fountain cleaning pool 100 further includes a docking tube 140, which is disposed at the bottom of the outer pool 110 and communicated with the interior of the outer pool 110. Through the above arrangement, the waste liquid that has flushed the sampling needle 20 flows into the docking tube 140 through the limiting through hole 131, that is, the docking tube 140 accommodates the waste liquid, thereby preventing the waste liquid in the outer pool 110 from contaminating the sampling needle 20.

[0043] In order to more conveniently realize that the cleaning liquid delivery unit 200 delivers the cleaning liquid 221 to the fountain-type cleaning pool 100, more specifically, the cleaning liquid delivery unit 200 includes an infusion tube 210, a cleaning tank 220 and a second pressurizer 230. The two ends of the infusion tube 210 are respectively connected to the cleaning tank 220 and the fountain tube 120. The cleaning tank 220 is used to store the cleaning liquid 221. The second pressurizer 230 is installed on the infusion tube 210. Through the above arrangement, when the second pressurizer 230 is started, the second pressurizer 230 presses the cleaning liquid 221 in the cleaning tank 220 into the infusion tube 210, and the infusion tube 210 delivers the cleaning liquid 221 to the fountain tube 120 in the fountain-type cleaning pool 100, so as to realize the cleaning of the sampling needle 20 moved into the fountain tube 120. It should be noted that the second pressurizer 230 is generally configured as an infusion pump, which pumps the cleaning fluid 221 in the cleaning tank 220 into the spring tube 120 through the infusion tube 210. The infusion pump is preferably a diaphragm liquid pump.

[0044] In order to ensure the cleaning effect, in the specific setting, the infusion tube 210 is located above the partition 130. Through the above setting, when the sampling needle 20 needs to be cleaned, the sampling needle 20 can be moved into the spring tube 120 first; then the second pressurizer 230 is opened, and the cleaning liquid 221 is transmitted to the spring tube 120 through the infusion tube 210 above the partition 130. At this time, the cleaning liquid 221 flushes the sampling needle 20 in the spring tube 120, and the waste liquid after flushing flows downward from the limiting through hole 131 to the docking tube 140, so as to ensure the cleaning effect of the sampling needle 20.

[0045] In order to more conveniently discharge the waste liquid from the spring-type cleaning pool 100, in a preferred embodiment, the sampling needle cleaning system 10 also includes a waste liquid collection unit 400, which is connected to the spring-type cleaning pool 100. The waste liquid collection unit 400 is used to collect the cleaning liquid 221 transmitted to the spring-type cleaning pool 100 by the cleaning liquid delivery unit 200. In a specific setting, the waste liquid collection unit 400 is connected to the docking tube 140. Through the above setting, the cleaning liquid 221 is pumped into the spring tube 120 through the second pressurizer 230 to flush the sampling needle 20. After the cleaning liquid 221 flushes the sampling needle 20, the waste liquid is formed and flows from the docking tube 140 to the waste liquid collection unit 400, so that the sampling needle 20 is flushed and the waste liquid is discharged at the same time, ensuring the flushing effect of the sampling needle 20.

[0046] In order to more conveniently realize the waste liquid collection unit 400 to collect waste liquid, specifically, the waste liquid collection unit 400 includes a waste liquid collection pipe 410 and a waste liquid collection tank 420. The two ends of the waste liquid collection pipe 410 are respectively connected to the waste liquid collection tank 420 and the spring-type cleaning pool 100. The waste liquid collection tank 420 is used to store the waste liquid formed after the cleaning liquid 221 cleans the sampling needle 20. In the specific setting, the end of the waste liquid collection pipe 410 away from the waste liquid collection tank 420 is connected to the docking tube 140. Through the above setting, on the one hand, the second pressurizer 230 pumps the cleaning liquid 221 into the spring tube 120 to flush the sampling needle 20, and on the other hand, the cleaning liquid 221 that has flushed the sampling needle 20, that is, the waste liquid, flows downward through the waste liquid collection pipe 410 into the waste liquid collection tank 420, thereby realizing the waste liquid collection unit 400 to collect waste liquid. The entire waste liquid collection unit 400 has a simple and convenient structure and strong practicality.

[0047] When the sampling needle cleaning system 10 is in operation, the sampling needle 20 is driven by the lifting mechanism to move downward to the spring tube 120 of the spring-like cleaning pool 100; at the same time, the second pressurizer 230 is opened, and the cleaning liquid 221 in the cleaning tank 220 is pumped into the spring tube 120 to clean the sampling needle 20; after cleaning, the second pressurizer 230 is closed; the first pressurizer 330 is opened, and the air is pumped into the outer pool 100 by the first pressurizer 330 to purge the surface of the sampling needle 20; at the same time, the sampling needle 20 moves slowly upward under the drive of the lifting mechanism, and the hanging liquid on the surface of the sampling needle 20 will be blown off by the gas and flow downward into the waste liquid collection tank 420 together with the cleaning waste liquid; after the sampling needle 20 completely leaves the spring-like cleaning pool 100, the first pressurizer 330 is closed, and the entire cleaning process is completed.

[0048] In order to facilitate the connection between the docking cylinder 140 and the outer pool 110 and the waste liquid collection unit 400, in the specific setting, the outer pool 110 has an accommodating through hole running through its opposite ends along its own axis, and the docking cylinder 140 is a cavity structure with openings at both ends. One end of the docking cylinder 140 is docked with the accommodating through hole, and the other end of the docking cylinder 140 is docked with the waste liquid collection pipe 410 of the waste liquid collection unit 400, so as to realize the connection between the docking cylinder 140 and the outer pool 110 and the waste liquid collection unit 400.

[0049] In order to design the docking tube 140 more conveniently, the docking tube 140 is generally set to a hollow cylindrical shape. In a specific setting, the docking tube 140 can also be a hollow truncated cone, a hollow cone, or a hollow spherical structure. It should be noted that the docking tube 140 is not limited to the above structure, and other geometric shapes with a hollow structure are all acceptable.

[0050] In order to facilitate the connection between the spring tube 120 installed in the outer pool 110 and the cleaning liquid delivery unit 200, the spring tube 120 is nested in the accommodating hole of the outer pool 110, and the outer wall of the spring tube 120 is abutted against the inner wall of the accommodating hole; the spring tube 120 has a spring cavity running through its opposite ends along its own axial direction, and the side wall of the spring tube 120 is provided with a first installation through hole connected to the spring cavity, and the side wall of the outer pool 110 is provided with a second installation through hole connected to the accommodating through hole, the first installation through hole and the second installation through hole are arranged opposite to each other, and the infusion tube 210 in the cleaning liquid delivery unit 200 is connected with the spring cavity after passing through the second installation through hole and the first installation through hole, so as to realize the connection between the spring tube 120 and the cleaning liquid delivery unit 200.

[0051] In order to design the fountain tube 120 more conveniently, the outer wall of the fountain tube 120 is usually set to be cylindrical, which can be easily matched with the inner wall of the outer pool 110. In the specific setting, the outer wall of the fountain tube 120 can also be a conical, elliptical, polygonal structure. It should be noted that a drainage gap is set between the inner wall of the outer pool 110 and the outer wall of the fountain tube 120 to facilitate the cleaning liquid 221 input into the fountain tube 120 to overflow the fountain tube 120 and then be discharged from the drainage gap between the two. In order to strengthen the connection between the inner wall of the outer pool 110 and the outer wall of the fountain tube 120, the outer pool 110 and the fountain tube 120 can also be connected and fixed in various directions such as fasteners and adhesives.

[0052] In order to more conveniently install the air blowing connector 310 on the outer pool 110, the side wall of the outer pool 110 is further provided with a third installation through hole connected to the accommodating through hole. The number of the third installation through holes is consistent with the number of the air blowing connectors 310 and is multiple. The specific number of the third installation through holes can be 2, 3, 4 or more. The multiple third installation through holes are distributed at intervals along the circumference of the outer pool 110, and each third installation through hole is installed with an air blowing connector 310. In the specific setting, the third installation through hole is located above the second installation through hole, so that the air blowing connector 310 installed in the third installation through hole is located above the infusion tube 210 installed in the second installation through hole. Through the above arrangement, after the sampling needle 20 is cleaned with the cleaning liquid transmitted by the infusion tube 210, it is convenient to move upward out of the cleaning liquid surface through the lifting mechanism. At this time, the blowing joint 310 blows air toward the surface of the sampling needle 20 to blow off the liquid on the surface. A part of the cleaning waste liquid on the surface of the sampling needle 20 is evaporated, and the other part can quickly flow downward into the waste liquid collection tank 420, preventing the hanging liquid on the surface of the sampling needle 20 from entering the next sample to be tested with the sampling needle 20, causing sample dilution, thereby improving the accuracy of the test result.

[0053] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A sampling needle cleaning system, characterized in that: include: A spring-type cleaning pool, the spring-type cleaning pool is used to accommodate a sampling needle that can move up and down relative to itself; A cleaning liquid delivery unit is connected to the spring-type cleaning pool, and the cleaning liquid delivery unit is used to deliver cleaning liquid to the spring-type cleaning pool; A drying unit is connected to the spring-like cleaning pool, and the drying unit is used to transport gas to the spring-like cleaning pool.

2. The sampling needle cleaning system according to claim 1, characterized in that: The blow-drying unit includes an air blowing connector, an air supply pipe and a first pressurizer. The air blowing connector is installed on the wall of the fountain-type cleaning pool and is connected to the interior of the fountain-type cleaning pool. The two ends of the air supply pipe are respectively connected to the air blowing connector and the first pressurizer.

3. The sampling needle cleaning system according to claim 2, characterized in that: There are multiple air blowing joints and air supply pipes, and the multiple air blowing joints are distributed at intervals in the spring-type cleaning pool. Each of the air blowing joints is connected to the first pressurizer through an air supply pipe.

4. The sampling needle cleaning system according to claim 2, characterized in that: The fountain-type cleaning pool includes an outer pool and a fountain tube arranged in the outer pool, the outer pool is connected to the air blowing joint, and the fountain tube is connected to the cleaning liquid delivery unit.

5. The sampling needle cleaning system according to claim 4, characterized in that: The air blowing joint is arranged above the spring tube.

6. The sampling needle cleaning system according to claim 4, characterized in that: A partition is arranged inside the spring tube, and a limiting through hole is opened on the partition and penetrates along the axial direction thereof.

7. The sampling needle cleaning system according to claim 4, characterized in that: The spring-type cleaning pool also includes a docking tube, which is arranged at the bottom of the outer pool and communicated with the interior of the outer pool.

8. The sampling needle cleaning system according to claim 4, characterized in that: The cleaning liquid delivery unit includes an infusion tube, a cleaning tank and a second pressurizer. The two ends of the infusion tube are respectively connected to the cleaning tank and the spring tube. The cleaning tank is used to store the cleaning liquid. The second pressurizer is installed on the infusion tube.

9. The sampling needle cleaning system according to claim 1, characterized in that: The sampling needle cleaning system also includes a waste liquid collecting unit, which is connected to the fountain-type cleaning pool and is used to collect the cleaning liquid transmitted to the fountain-type cleaning pool by the cleaning liquid delivery unit.

10. The sampling needle cleaning system according to claim 9, characterized in that: The waste liquid collecting unit comprises a waste liquid collecting pipe and a waste liquid collecting tank, and both ends of the waste liquid collecting pipe are respectively connected to the waste liquid collecting tank and the spring-type cleaning pool.

Citation Information

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