Cross-contamination prevention control method for water sample to be analyzed, liquid separation device, and storage medium

Abstract

The application discloses a cross-contamination prevention and control method for water samples to be analyzed, a liquid separation device and a storage medium. The method comprises the following steps: after a plurality of water samples to be analyzed are taken out and before they are transported to a water sample analysis device, for a current water sample to be analyzed that needs to be separated, a liquid separation device controls a target stirring assembly to stir the current water sample to be analyzed; after the stirring, the target sampling assembly is controlled to sample multiple times; after sampling of the current water sample to be analyzed is completed and before sampling of a subsequent water sample to be analyzed that needs to be separated, the liquid separation device controls a target cleaning assembly to perform a target processing operation on a target liquid separation cooperative assembly; when the target liquid separation cooperative assembly meets the separation requirements of the subsequent water sample to be analyzed, a matching separation operation is performed on the subsequent water sample to be analyzed. It can be seen that the application can reduce cross-contamination between sub-water samples obtained by separating a plurality of source water samples, thereby improving the accuracy of water sample analysis results based on the sub-water samples.

Description

Technical Field

[0001] This invention relates to the field of intelligent control technology, and in particular to a method for preventing cross-contamination of water samples to be analyzed, as well as a liquid separation device and storage medium. Background Technology

[0002] Based on considerations such as water safety, food safety, and the stability of industrial and agricultural production, it is necessary to analyze and monitor the corresponding water sources regularly or irregularly in order to understand the water quality and take timely countermeasures when the water quality does not meet the actual requirements, thereby ensuring the stability and reliability of water use.

[0003] Currently, water quality analysis of water sources typically involves sampling the water source to obtain a water sample, which is then analyzed using relevant water sample analysis equipment to obtain the analysis results. In practice, multiple water quality indicators often need to be analyzed. This necessitates separating the water sample into multiple sub-samples before further analysis, and then analyzing each sub-sample for its respective water quality indicator. However, in practice, it has been found that separating water samples from multiple sources can lead to cross-contamination between the sub-samples obtained from different sources, which is detrimental to the accuracy of the analysis results obtained from the sub-samples.

[0004] Therefore, it is particularly important to reduce cross-contamination between sub-samples obtained from the separation of water samples from multiple water sources, thereby improving the accuracy of water sample analysis results based on sub-samples. Summary of the Invention

[0005] This invention provides a method for preventing cross-contamination of water samples to be analyzed, as well as a separation device and storage medium, which can reduce cross-contamination between sub-samples obtained from the separation of water samples from multiple water sources, thereby improving the accuracy of water sample analysis results obtained based on sub-samples.

[0006] To address the aforementioned technical problems, the first aspect of this invention discloses a method for preventing cross-contamination of a water sample to be analyzed. This method is applied in a liquid separation device and includes: After retrieving multiple water samples from the water sample storage system and before transferring them to the water sample analysis equipment, for any one of the multiple water samples that requires separation: The separation device controls the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters; after stirring, the target sampling component is controlled to take samples from the current water sample to be analyzed multiple times to obtain multiple water samples corresponding to the current water sample to be analyzed. After the current water sample to be analyzed is sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled, the separation device controls the target cleaning component to perform a target processing operation on the identified target separation coordination component; when the target separation coordination component meets the separation requirements of the subsequent water sample to be analyzed, a matching separation operation is performed on the subsequent water sample to be analyzed. The target liquid separation co-processing component includes: the target stirring component and / or the target sampling component; the target processing operation includes cleaning operation and / or drying operation.

[0007] As an optional implementation, in the first aspect of the invention, before the liquid separation device controls the target cleaning component to perform a target processing operation on the identified target liquid separation cooperating component, the method further includes: The liquid separation device acquires the first water sample identifier that uniquely corresponds to the current water sample to be analyzed and the second water sample identifier that uniquely corresponds to the subsequent water sample to be analyzed. The liquid separation device determines, based on the first water sample identifier and the second water sample identifier, whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing component used in the liquid separation process corresponding to the current water sample to be analyzed; when the determination result is yes, the control target cleaning component is executed to perform target processing operation on the determined target liquid separation co-processing component.

[0008] As an optional implementation, in a first aspect of the present invention, the liquid separation device determines, based on the first water sample identifier and the second water sample identifier, whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing components used in the liquid separation process corresponding to the current water sample to be analyzed, including: The liquid separation device obtains the first sampling water source corresponding to the current water sample to be analyzed based on the first water sample identifier, and obtains the second sampling water source corresponding to the subsequent water sample to be analyzed based on the second water sample identifier; The separation device determines whether the first sampling water source and the second sampling water source are the same water source. If the first sampling water source and the second sampling water source are not the same water source, it determines that the separation coordination component used in the separation process corresponding to the current water sample to be analyzed needs to be subjected to anti-cross-contamination treatment.

[0009] As an optional implementation, in the first aspect of the present invention, the liquid separation device, based on the first water sample identifier and the second water sample identifier, determines whether it is necessary to perform anti-cross-contamination treatment on the liquid separation coordinating components used in the liquid separation process corresponding to the current water sample to be analyzed, and further includes: If the first sampling water source and the second sampling water source are not the same water source, the separation device determines whether the first sampling water source is an upstream water source of the second sampling water source. If it is determined that the first sampling water source is an upstream water source of the second sampling water source, it determines whether there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source. If there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source, the determination is performed to perform anti-cross-contamination treatment on the separation coordination component used in the separation process corresponding to the current water sample to be analyzed.

[0010] As an optional implementation, in the first aspect of the invention, before the dispensing device controls the target cleaning component to perform a target processing operation on the identified target dispensing cooperating component, the method further includes: The liquid separation device obtains sampling results from the current water sample to be analyzed. The sampling results include multiple sub-samples corresponding to the current water sample to be analyzed and target parameters corresponding to each sub-sample. The target parameters corresponding to each sub-sample include the sampling order of the sub-sample, the capacity of the sub-sample, and the post-sampling temporary storage processing operation of the sub-sample. The separation device acquires the target water quality analysis requirements corresponding to the target water source to which the current water sample to be analyzed belongs, and determines whether the sampling result meets the target water quality analysis requirements. If the sampling result meets the target water quality analysis requirements, it is determined that the sampling of the current water sample to be analyzed has been completed.

[0011] As an optional implementation, in the first aspect of the present invention, the method further includes: If the sampling results do not meet the target water quality analysis requirements, the separation device analyzes the influencing factors that the sampling results do not meet the target water quality analysis requirements based on the sampling results and the target water quality analysis requirements; The liquid separation device determines whether the influencing factor is currently an eliminateable influencing factor based on the sampling results, the target water quality analysis requirements, and the remaining water sample of the current water sample to be analyzed. If the influencing factor is an eliminable influencing factor, the separation device performs a post-separation operation on the remaining water sample of the current water sample to be analyzed to update the sampling results until the sampling results meet the target water quality analysis requirements.

[0012] As an optional implementation, in the first aspect of the present invention, the method further includes: If the influencing factor is not the eliminable influencing factor, the liquid separation device determines a portion of the water quality analysis requirements from the target water quality analysis requirements based on the sampling results, and uses it as the current water quality analysis requirements for the target water source to which the current water sample to be analyzed belongs. The current water quality analysis requirements are then synchronized to the water sample analysis equipment and it is determined that the current sampling of the current water sample to be analyzed is completed. The separation device generates a subsequent supplementary water sample collection requirement for the target water source to which the current water sample to be analyzed belongs, based on the target water quality analysis requirements, the current water quality analysis requirements, and potential influencing factors present in the separation process, and feeds back the subsequent supplementary water sample collection requirement to the water sample storage system and / or the water sample collection control center.

[0013] A second aspect of the present invention discloses a liquid separation device, which includes a stirring control module, a sampling control module, and a component processing control module. After retrieving multiple water samples from the water sample storage system and before transferring them to the water sample analysis equipment, for any one of the multiple water samples that requires separation: The stirring control module is used to control the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters; The sampling control module is used to control the target sampling component to take multiple samples from the current water sample to be analyzed after stirring, so as to obtain multiple water samples corresponding to the current water sample to be analyzed. The component processing control module is used to control the target cleaning component to perform target processing operations on the identified target separation coordinating component after the current water sample to be analyzed has been sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled. Once the target liquid separation co-processing component meets the liquid separation requirements of the subsequent water sample to be analyzed, the stirring control module and the sampling control module are further used to perform a matching liquid separation operation on the subsequent water sample to be analyzed. The target liquid separation co-processing component includes: the target stirring component and / or the target sampling component; the target processing operation includes cleaning operation and / or drying operation.

[0014] As an optional implementation, in a second aspect of the invention, the liquid separation device further includes a cross-contamination prevention judgment module, wherein the cross-contamination prevention judgment module is used for: Obtain the first water sample identifier that uniquely corresponds to the current water sample to be analyzed and the second water sample identifier that uniquely corresponds to the subsequent water sample to be analyzed; Based on the first water sample identifier and the second water sample identifier, it is determined whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing component used in the liquid separation process corresponding to the current water sample to be analyzed; when the determination result is yes, the control target cleaning component is executed to perform target treatment operation on the determined target liquid separation co-processing component.

[0015] As an optional implementation, in a second aspect of the present invention, the specific method by which the cross-contamination prevention judgment module determines whether cross-contamination prevention treatment is required on the liquid separation coordinating component used in the liquid separation process corresponding to the current water sample to be analyzed, based on the first water sample identifier and the second water sample identifier, includes: Based on the first water sample identifier, the first sampling water source corresponding to the current water sample to be analyzed is obtained, and based on the second water sample identifier, the second sampling water source corresponding to the subsequent water sample to be analyzed is obtained; Determine whether the first sampling water source and the second sampling water source are the same water source. If the first sampling water source and the second sampling water source are not the same water source, then it is determined that the separation coordination component used in the separation process corresponding to the current water sample to be analyzed needs to be subjected to anti-cross-contamination treatment.

[0016] As an optional implementation, in the second aspect of the present invention, the specific method by which the cross-contamination prevention judgment module determines whether cross-contamination prevention treatment is required on the liquid separation coordinating component used in the liquid separation process corresponding to the current water sample to be analyzed, based on the first water sample identifier and the second water sample identifier, further includes: If the first sampling water source and the second sampling water source are not the same water source, the separation device determines whether the first sampling water source is an upstream water source of the second sampling water source. If it is determined that the first sampling water source is an upstream water source of the second sampling water source, it determines whether there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source. If there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source, the determination is performed to perform anti-cross-contamination treatment on the separation coordination component used in the separation process corresponding to the current water sample to be analyzed.

[0017] As an optional implementation, in a second aspect of the invention, the liquid separation device further includes a liquid separation judgment module, the liquid separation judgment module being used for: The sampling results are obtained from the current water sample to be analyzed. The sampling results include multiple sub-samples corresponding to the current water sample to be analyzed and target parameters corresponding to each sub-sample. The target parameters corresponding to each sub-sample include the sampling order of the sub-sample, the capacity of the sub-sample, and the post-sampling temporary storage processing operation of the sub-sample. Obtain the target water quality analysis requirements corresponding to the target water source to which the current water sample to be analyzed belongs, and determine whether the sampling results meet the target water quality analysis requirements. If the sampling results meet the target water quality analysis requirements, then determine that the sampling of the current water sample to be analyzed is complete.

[0018] As an optional implementation, in a second aspect of the invention, the liquid separation judgment module is further configured to: Based on the sampling results, the target water quality analysis requirements, and the remaining water samples of the current water sample to be analyzed, determine whether the influencing factor is currently an eliminateable influencing factor; If the influencing factor is an eliminable influencing factor, a post-liquid separation operation is performed on the remaining water sample of the current water sample to be analyzed to update the sampling results until the sampling results meet the target water quality analysis requirements.

[0019] As an optional implementation, in a second aspect of the invention, the liquid separation judgment module is further configured to: If the influencing factor is not the eliminateable influencing factor, based on the sampling results, a portion of the water quality analysis requirements are determined from the target water quality analysis requirements, which are used as the current water quality analysis requirements for the target water source to which the current water sample to be analyzed belongs. The current water quality analysis requirements are synchronized to the water sample analysis equipment and it is determined that the current sampling of the current water sample to be analyzed is completed. Furthermore, the liquid separation device also includes a water sample analysis coordination module, which is used for: Based on the target water quality analysis requirements, the current water quality analysis requirements, and the potential influencing factors in the separation process, a subsequent supplementary water sample collection requirement is generated for the target water source to which the current water sample to be analyzed belongs, and the subsequent supplementary water sample collection requirement is fed back to the water sample storage system and / or the water sample collection control center.

[0020] A third aspect of the present invention discloses another liquid separation device, the liquid separation device comprising: Memory containing executable program code; A processor coupled to the memory; The processor calls the executable program code stored in the memory to execute the method for preventing cross-contamination of the water sample to be analyzed as described in any of the first aspects of the present invention.

[0021] The fourth aspect of the present invention discloses a computer storage medium storing computer instructions, which, when invoked, are used to execute a method for preventing cross-contamination of a water sample to be analyzed as described in any of the first aspects of the present invention.

[0022] Compared with the prior art, the present invention has the following beneficial effects: In this invention, after multiple water samples are taken out and before they are transported to the water sample analysis equipment, for the current water sample that needs to be separated, the separation device controls the target stirring component to stir; after stirring, the target sampling component is controlled to take samples multiple times; after the current water sample is sampled and before the subsequent water sample that needs to be separated is sampled, the separation device controls the target cleaning component to perform a target processing operation on the target separation coordination component; when the target separation coordination component meets the separation requirements of the subsequent water sample, a matching separation operation is performed on the subsequent water sample. As can be seen, this invention can form a serial closed-loop process of "current water sample separation → cleaning / drying → subsequent water sample separation for analysis". While serially separating multiple water samples, it reduces cross-contamination between sub-samples obtained from multiple water sources, thereby improving the accuracy of water sample analysis results based on sub-samples. In addition, it can precisely stir the current water sample to be analyzed before multiple sampling to ensure homogenization of the water sample, reduce or avoid the occurrence of sub-sample concentration deviations caused by uneven distribution of suspended solids and sediments, improve separation consistency, and thus help improve the accuracy of water quality analysis. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic flowchart of a method for preventing cross-contamination of water samples to be analyzed, as disclosed in an embodiment of the present invention. Figure 2 This is a schematic diagram of the structure of a liquid separation device disclosed in an embodiment of the present invention; Figure 3 This is a schematic diagram of another liquid separation device disclosed in an embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of another liquid separation device disclosed in an embodiment of the present invention. Detailed Implementation

[0025] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0026] It should be noted that, unless otherwise explicitly specified and limited, the term "electrical connection" in the specification, claims, and accompanying drawings of this invention should be interpreted broadly. For example, it can refer to a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can refer to a mechanical electrical connection or a mutually communicating connection; it can refer to a direct connection or an indirect connection through an intermediate medium; it can refer to the internal connection of two elements or the interaction between two elements. Furthermore, the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish different objects, not to describe a specific order. The terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0027] This invention discloses a method for preventing cross-contamination of water samples to be analyzed, as well as a liquid separation device and a computer storage medium. It can form a serial closed-loop process of "current water sample separation → cleaning / drying → subsequent water sample separation," reducing cross-contamination between sub-samples obtained from multiple water sources while serially separating multiple water samples, thereby improving the accuracy of water sample analysis results based on sub-samples. Furthermore, it can precisely stir the current water sample to be analyzed before multiple samplings, ensuring homogenization and reducing or avoiding concentration deviations in sub-samples caused by uneven distribution of suspended solids and sediments, improving separation consistency and thus enhancing the accuracy of water quality analysis. Detailed descriptions follow.

[0028] Example 1 Please see Figure 1 , Figure 1 This is a flowchart illustrating a method for preventing cross-contamination of water samples to be analyzed, as disclosed in an embodiment of the present invention. Figure 1 The described method is applied in a liquid separation device used to separate a water sample to obtain multiple sub-samples for analyzing different water quality indicators. Furthermore, this liquid separation device can be applied to an unmanned automated water sample analysis system; however, this invention does not limit its application. Figure 1 As shown, the method for preventing cross-contamination of the water sample to be analyzed may include the following steps: 101. After multiple water samples to be analyzed are taken out from the water sample storage system and before the multiple water samples to be analyzed are transported to the water sample analysis equipment, for any of the multiple water samples to be analyzed that need to be separated, the separation device controls the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters.

[0029] In this embodiment of the invention, the stirring control parameters may include one or more combinations of stirring duration, stirring speed, and stirring direction. The stirring speed can be determined comprehensively based on the size of the target container corresponding to the current water sample to be analyzed and / or the amount of water sample corresponding to the current water sample to be analyzed. This can not only ensure that the water sample is thoroughly stirred, but also reduce the occurrence of water sample splashing due to improper stirring, which could lead to water sample waste or contamination of other water samples.

[0030] Furthermore, before stirring the water sample to be analyzed, the liquid separator needs to determine whether the target container corresponding to the water sample is capped. If so, it can open the target container according to the shape and / or material of the cap. After opening, the target stirring component is called to stir the water sample, which improves the effectiveness and reliability of calling the target stirring component. Furthermore, the capping operation is achieved collaboratively by the capping device. Specifically, when capping is required, the liquid separator sends the capping request for the target container to the main control center of the unmanned automated water sample analysis system. The main control center generates a capping control command based on the capping request (including the spatial coordinates of the target container, the shape and / or material of the target container cap, and the current volume of the water sample in the target container) and sends it to the capping device. The capping device then executes the capping operation according to the capping control command. The specific process is as follows: If the target container is a square bottle, the cap opening device first moves to the top of the target square bottle, then descends to the cap opening station. The cap opening device controls the electric gripper to clamp the cap and rotate it. After completing the cap opening action, it rises to the waiting position. During the rising process, the cap opening device controls the electric gripper to continue rotating at a certain angle to ensure that the cap is fully opened. If the target container is a round bottle, the capping device first moves the round bottle to the parallel electric gripper station, controls the parallel electric gripper to clamp the bottle body and fix it, and then performs the capping action to ensure the stability of the bottle capping process.

[0031] As can be seen, the embodiments of the present invention can also adapt different opening control processes according to the shape of the target container when opening the target container, which is beneficial to improving the efficiency of opening the target container.

[0032] 102. After stirring, the separation device controls the target sampling component to take multiple samples from the current water sample to be analyzed, thereby obtaining multiple water samples corresponding to the current water sample to be analyzed.

[0033] In this embodiment of the invention, the target stirring component can be integrated with the target sampling component, allowing for direct sampling after stirring, which improves sampling efficiency. It should be noted that during multiple sampling processes, the current water sample to be analyzed can be stirred again before each sampling or after a corresponding time interval to ensure sampling uniformity and consistency. Further optionally, after sampling the current water sample to be analyzed, the obtained sub-samples can be placed into corresponding containers. The containers containing the sub-samples can be further sealed using a sealing device according to actual needs; this embodiment of the invention does not impose limitations on this.

[0034] In this embodiment of the invention, optionally, during the sampling process, for each sub-sample obtained, the separating device must record one or more of the following: the identification information corresponding to the sub-sample, the sampling time, the sampling order, the sampling volume, the sampling preparation operations performed before sampling (such as stirring operations, processing operations of the separating co-processing component, etc.), and the temporary storage processing operations performed after sampling (such as capping operations, storage environment adjustment operations). All of the aforementioned information must be synchronized to the main control center of the unmanned automated water sample analysis system. This not only facilitates full-process traceability of the sampling process but also facilitates full-process traceability of unmanned water sample analysis. Further optionally, the identification information corresponding to the sub-sample can consist of the unique identification information of the water sample to which the sub-sample belongs and the sampling order. This allows for quick identification of the sample to which the sub-sample belongs and its sampling order based on the identification information. Furthermore, the identification information corresponding to the sub-sample can also further include the sampling volume corresponding to the sub-sample.

[0035] 103. After the current water sample to be analyzed is sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled, the separation device controls the target cleaning component to perform the target processing operation on the identified target separation co-processing component.

[0036] The target liquid separation co-processing component includes a target stirring component and / or a target sampling component; the target processing operation includes a cleaning operation and / or a drying operation. Optionally, the drying operation may include natural drying, drying with the aid of a blowing device, or drying with the aid of a drying device.

[0037] 104. When the target liquid separation co-processing component meets the liquid separation requirements of the subsequent water sample to be analyzed, the liquid separation device performs a matching liquid separation operation on the subsequent water sample to be analyzed.

[0038] The target liquid-dispensing co-processing component meeting the liquid-dispensing requirements of the subsequent water sample to be analyzed can include: no liquid residue and no solid residue of the current water sample to be analyzed on the target liquid-dispensing co-processing component; further, the target liquid-dispensing co-processing component is dry. Further, when cleaning the target liquid-dispensing co-processing component, it can be rinsed with clean water first; further, after rinsing with clean water, it can also be rinsed with the subsequent water sample to be analyzed. It should be noted that the target liquid-dispensing co-processing component can also be directly cleaned with the subsequent water sample to be analyzed. Further optionally, if the subsequent water sample to be analyzed is used during cleaning, the target liquid-dispensing co-processing component does not need to be dried after cleaning. Further, when cleaning the target liquid-dispensing co-processing component with the subsequent water sample to be analyzed, priority should be given to ensuring the liquid-dispensing needs of the subsequent water sample to be analyzed, avoiding the situation where the subsequent water sample is insufficient due to the consumption of the subsequent water sample during cleaning of the target liquid-dispensing co-processing component.

[0039] As can be seen, implementing the method described in the embodiments of the present invention can form a serial closed-loop process of "current water sample separation → cleaning / drying → subsequent water sample separation for analysis". While serially separating multiple water samples, it reduces cross-contamination between sub-samples obtained from the separation of multiple water sources, thereby improving the accuracy of water sample analysis results based on sub-samples. In addition, it can also accurately stir the current water sample to be analyzed before multiple sampling to ensure homogenization of the water sample, reduce or avoid the occurrence of sub-sample concentration deviations caused by uneven distribution of suspended solids and sediments, improve separation consistency, and thus help improve the accuracy of water quality analysis.

[0040] In an optional embodiment, before the dispensing device controls the target cleaning component to perform a target processing operation on the identified target dispensing co-processing component, the method further includes: The separator obtains the first water sample identifier that is uniquely corresponding to the current water sample to be analyzed and the second water sample identifier that is uniquely corresponding to the subsequent water sample to be analyzed. Based on the first water sample identifier and the second water sample identifier, the separation device determines whether it is necessary to perform anti-cross-contamination treatment on the separation co-processing component used in the separation process corresponding to the current water sample to be analyzed; when the determination result is yes, the above-mentioned control target cleaning component performs target treatment operation on the determined target separation co-processing component.

[0041] As can be seen, this optional embodiment can also intelligently determine whether there is a risk of cross-contamination between the first water sample to be analyzed and the second water sample to be analyzed later. Only when there is a risk of cross-contamination will the cleaning component be activated to perform cleaning / drying operations on the target liquid separation co-processing component. This achieves precise triggering of the anti-contamination treatment action, which helps to reduce unnecessary cleaning operations and thus reduce the occurrence of reduced liquid separation efficiency due to unnecessary cleaning operations.

[0042] In another optional embodiment, the separation device, based on the first water sample identifier and the second water sample identifier, determines whether it is necessary to perform anti-cross-contamination treatment on the separation co-processing components used in the separation process corresponding to the current water sample to be analyzed, including: The separation device obtains the first sampling water source corresponding to the current water sample to be analyzed based on the first water sample identifier, and obtains the second sampling water source corresponding to the subsequent water sample to be analyzed based on the second water sample identifier. The separation device determines whether the first sampling water source and the second sampling water source are the same water source. If the first sampling water source and the second sampling water source are not the same water source, it determines that the separation coordination component used in the separation process corresponding to the current water sample to be analyzed needs to be subjected to anti-cross-contamination treatment.

[0043] As can be seen, this optional embodiment can also obtain the corresponding sampling water source based on the water sample identification and determine whether the previous and subsequent water samples come from the same water source, thus achieving precise triggering of the anti-cross-contamination treatment operation. In addition, for water samples from the same sampling water source, unnecessary cleaning and drying steps can be omitted, improving the separation efficiency; for water samples from different sampling water sources, cleaning / drying treatment is performed to effectively avoid cross-contamination between water samples from different sources.

[0044] In another optional embodiment, the liquid separation device, based on the first water sample identifier and the second water sample identifier, determines whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing components used in the liquid separation process corresponding to the current water sample to be analyzed, and further includes: If the first sampling water source and the second sampling water source are not the same water source, the separation device determines whether the first sampling water source is an upstream water source of the second sampling water source. If it is determined that the first sampling water source is an upstream water source of the second sampling water source, it determines whether there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source. If there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source, then the above determination requires performing anti-cross-contamination treatment on the separation coordination component used in the separation process corresponding to the current water sample to be analyzed.

[0045] In this optional embodiment, if there are other water source branches flowing into the water flow path from the first to the second sampling water source before the second sampling water source, the separation device can first analyze the impact of the aforementioned other water source branches on the water quality of the first sampling water source based on the attributes of the other water source branches and / or the water quality monitoring results of the aforementioned other water source branches. If the analyzed water quality impact indicates that the degree of impact of the other water source branches on the first sampling water source is greater than or equal to a certain threshold, then performing the above determination requires performing anti-cross-contamination treatment on the separation coordination components used in the separation process corresponding to the current water sample to be analyzed. For example, if the water quality of the first sampling water source is acidic and the water quality of the other water source branches is alkaline, it indicates that the degree of impact of the other water source branches on the first sampling water source is greater than or equal to a certain threshold.

[0046] As can be seen, this optional embodiment, by determining that the preceding and following water samples originate from different sources, further determines whether the source of the preceding water sample is the upstream source of the following water sample, and verifies whether there are other water source branches flowing into the flow paths of both samples. This not only provides diverse methods for determining cross-contamination prevention but also facilitates the precise triggering of cross-contamination prevention treatment. Furthermore, for upstream and downstream water samples without other water source branches flowing into them, redundant cleaning / drying operations can be omitted, improving separation efficiency and reducing operating costs. For upstream and downstream water samples with other water source branches flowing into them, cross-contamination prevention treatment must be performed to effectively avoid cross-contamination and ensure accurate test data.

[0047] In yet another alternative embodiment, before the dispensing device controls the target cleaning component to perform the target processing operation on the identified target dispensing co-processing component, the method further includes: The separator obtains the sampling results from the current water sample to be analyzed. The sampling results include multiple sub-samples corresponding to the current water sample to be analyzed and the target parameters corresponding to each sub-sample. The target parameters corresponding to the sub-samples include the sampling order of the sub-samples, the capacity of the sub-samples, and the temporary storage treatment operation after sampling of the sub-samples. The separator obtains the target water quality analysis requirements corresponding to the target water source of the current water sample to be analyzed, and determines whether the sampling results meet the target water quality analysis requirements. If the sampling results meet the target water quality analysis requirements, it is determined that the sampling of the current water sample to be analyzed is complete.

[0048] In this embodiment of the invention, the target water quality analysis requirements include multiple water quality indicators to be detected, the amount of sub-water sample required for each water quality indicator, the urgency of analysis corresponding to each water quality indicator, the importance of analysis corresponding to each water quality indicator, and the water sample retention requirements.

[0049] As can be seen, this optional embodiment obtains the sampling results of the current water sample (including multiple water samples and corresponding sampling order, volume, temporary storage, and other parameters) before performing cross-contamination prevention treatment, and verifies the validity of the sampling results in conjunction with the target water quality analysis requirements of the water source to which the current water sample belongs. Sampling is only considered complete when the sampling results meet the analysis requirements. This achieves precise linkage between the sampling process and the analysis requirements, improves the effectiveness and integrity of water sample separation, and thus ensures the accuracy and reliability of water quality analysis data. In addition, it avoids ineffective process losses, improves the efficiency of the entire process, and reduces the risk of cross-contamination.

[0050] In yet another optional embodiment, the method further includes: If the sampling results do not meet the target water quality analysis requirements, the separation device analyzes the factors that affect the sampling results not meeting the target water quality analysis requirements, such as contamination, insufficient sub-sample capacity, or insufficient number of sub-samples. Based on the sampling results, the target water quality analysis requirements, and the remaining water sample of the current water sample to be analyzed, the separation device determines whether the influencing factor is currently an influencing factor that can be eliminated. If the influencing factor is an eliminable influencing factor, the separator will perform a post-separation operation on the remaining water sample of the current water sample to be analyzed to update the sampling results until the sampling results meet the target water quality analysis requirements.

[0051] As can be seen, this optional embodiment can further analyze the reasons for the non-compliance and its eliminability if the sampling results do not meet the target water quality analysis requirements. If the non-compliance can be eliminated, a subsequent liquid separation operation can be performed to ensure the sampling reliability of the current water sample to be analyzed, thereby helping to ensure the accuracy and reliability of subsequent water sample analysis.

[0052] In yet another optional embodiment, the method further includes: If the influencing factor is not an eliminable influencing factor, the separation device determines part of the water quality analysis requirements from the target water quality analysis requirements based on the sampling results. This part is used as the water quality analysis requirement for the target water source to which the current water sample belongs. The water quality analysis requirement is synchronized to the water sample analysis equipment and it is determined that the sampling of the current water sample is completed. The separation device generates a subsequent supplementary water sample collection request for the target water source to which the current water sample belongs, based on the target water quality analysis requirements, the current water quality analysis requirements, and potential influencing factors in the separation process. The subsequent supplementary water sample collection request is then fed back to the water sample storage system and / or the water sample collection control center.

[0053] As can be seen, this optional embodiment can also automatically determine the current water quality analysis requirements based on the target water quality analysis requirements when the sampling results do not meet the target water quality analysis requirements and the corresponding reasons cannot be eliminated. This avoids the situation where it is determined that the current water sample to be analyzed has not been completely sampled, thus preventing the subsequent water sample to be analyzed from being unable to be sampled. This is beneficial to improving the sampling efficiency of the subsequent water sample to be analyzed. In addition, it is also beneficial to improve the flexibility of water sample sampling. Furthermore, it can also realize the linkage with the water sample storage system and / or the water sample sampling control center to ensure that the unfinished water quality analysis requirements can be accurately and efficiently supplemented in the future.

[0054] Example 2 Please see Figure 2 , Figure 2 This is a schematic diagram of the structure of a liquid separation device disclosed in an embodiment of the present invention. Figure 2 The described separation device is used to separate the water sample to be analyzed, obtaining multiple sub-samples for analyzing different water quality indicators. Furthermore, this separation device can be applied to unmanned automated water sample analysis systems; however, this invention does not limit its application. Figure 2 As shown, the liquid separation device may include a stirring control module 201, a sampling control module 202, and a component processing control module 203, wherein: After retrieving multiple water samples from the water sample storage system and before transferring them to the water sample analysis equipment, for any one of the multiple water samples that needs to be separated: The stirring control module 201 is used to control the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters; The sampling control module 202 is used to control the target sampling component to take multiple samples from the current water sample to be analyzed after stirring, so as to obtain multiple water samples corresponding to the current water sample to be analyzed. The component processing control module 203 is used to control the target cleaning component to perform target processing operations on the identified target separation coordinating component after the current water sample to be analyzed has been sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled. When the target liquid separation co-processing component meets the liquid separation requirements of the water sample to be analyzed later, the stirring control module 201 and the sampling control module 202 are also used to perform matching liquid separation operations on the water sample to be analyzed later. The target liquid separation co-processing components include: target stirring components and / or target sampling components; the target processing operations include cleaning operations and / or drying operations.

[0055] It is evident that implementation Figure 2The described separation device can form a closed-loop serial process of "current water sample separation → cleaning / drying → subsequent water sample separation for analysis". While realizing the separation of multiple water samples in sequence, it reduces cross-contamination between sub-samples obtained from the separation of water samples from multiple water sources, thereby improving the accuracy of water sample analysis results based on sub-samples. In addition, it can precisely stir the current water sample to be analyzed before taking multiple samples to ensure the homogenization of the water sample, reduce or avoid the occurrence of sub-sample concentration deviations caused by uneven distribution of suspended solids and sediments, improve separation consistency, and thus help improve the accuracy of water quality analysis.

[0056] In an optional embodiment, such as Figure 3 As shown, the liquid separation device also includes a cross-contamination prevention judgment module 204, wherein the cross-contamination prevention judgment module 204 is used for: Obtain the unique first water sample identifier corresponding to the current water sample to be analyzed and the unique second water sample identifier corresponding to the subsequent water sample to be analyzed; Based on the first water sample identifier and the second water sample identifier, it is determined whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing component used in the liquid separation process corresponding to the current water sample to be analyzed; when the determination result is yes, the component processing control module 203 is triggered to execute the above-mentioned control target cleaning component to perform target processing operation on the determined target liquid separation co-processing component.

[0057] As can be seen, this optional embodiment can also intelligently determine whether there is a risk of cross-contamination between the first water sample to be analyzed and the second water sample to be analyzed later. Only when there is a risk of cross-contamination will the cleaning component be activated to perform cleaning / drying operations on the target liquid separation co-processing component. This achieves precise triggering of the anti-contamination treatment action, which helps to reduce unnecessary cleaning operations and thus reduce the occurrence of reduced liquid separation efficiency due to unnecessary cleaning operations.

[0058] In another optional embodiment, the cross-contamination prevention judgment module 204 determines, based on the first water sample identifier and the second water sample identifier, whether cross-contamination prevention treatment is required for the liquid separation coordinating components used in the liquid separation process corresponding to the current water sample to be analyzed. The specific methods include: The first sampling water source corresponding to the current water sample to be analyzed is obtained based on the first water sample identifier, and the second sampling water source corresponding to the subsequent water sample to be analyzed is obtained based on the second water sample identifier. Determine whether the first and second sampling water sources are the same. If the first and second sampling water sources are not the same, then it is determined that the separation co-processing component used in the separation process corresponding to the current water sample to be analyzed needs to be subjected to anti-cross-contamination treatment.

[0059] As can be seen, this optional embodiment can also obtain the corresponding sampling water source based on the water sample identification and determine whether the previous and subsequent water samples come from the same water source, thus achieving precise triggering of the anti-cross-contamination treatment operation. In addition, for water samples from the same sampling water source, unnecessary cleaning and drying steps can be omitted, improving the separation efficiency; for water samples from different sampling water sources, cleaning / drying treatment is performed to effectively avoid cross-contamination between water samples from different sources.

[0060] In yet another optional embodiment, the method by which the anti-cross-contamination judgment module 204 determines whether anti-cross-contamination treatment is required for the liquid separation coordinating components used in the liquid separation process corresponding to the current water sample to be analyzed, based on the first water sample identifier and the second water sample identifier, further includes: If the first sampling water source and the second sampling water source are not the same water source, the separation device determines whether the first sampling water source is an upstream water source of the second sampling water source. If it is determined that the first sampling water source is an upstream water source of the second sampling water source, it determines whether there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source. If there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source, then the above determination requires performing anti-cross-contamination treatment on the separation coordination component used in the separation process corresponding to the current water sample to be analyzed.

[0061] As can be seen, this optional embodiment, by determining that the preceding and following water samples originate from different sources, further determines whether the source of the preceding water sample is the upstream source of the following water sample, and verifies whether there are other water source branches flowing into the flow paths of both samples. This not only provides diverse methods for determining cross-contamination prevention but also facilitates the precise triggering of cross-contamination prevention treatment. Furthermore, for upstream and downstream water samples without other water source branches flowing into them, redundant cleaning / drying operations can be omitted, improving separation efficiency and reducing operating costs. For upstream and downstream water samples with other water source branches flowing into them, cross-contamination prevention treatment must be performed to effectively avoid cross-contamination and ensure accurate test data.

[0062] In yet another alternative embodiment, such as Figure 3 As shown, the liquid separation device also includes a liquid separation judgment module 205. The liquid separation judgment module 205 is used for: The sampling results are obtained from the current water sample to be analyzed. The sampling results include multiple sub-samples corresponding to the current water sample to be analyzed and the target parameters corresponding to each sub-sample. The target parameters corresponding to the sub-samples include the sampling order, the capacity, and the temporary storage processing operation after sampling. Obtain the target water quality analysis requirements corresponding to the target water source of the current water sample to be analyzed, and determine whether the sampling results meet the target water quality analysis requirements. If the sampling results meet the target water quality analysis requirements, then it is determined that the sampling of the current water sample to be analyzed is complete.

[0063] As can be seen, this optional embodiment obtains the sampling results of the current water sample (including multiple water samples and corresponding sampling order, volume, temporary storage, and other parameters) before performing cross-contamination prevention treatment, and verifies the validity of the sampling results in conjunction with the target water quality analysis requirements of the water source to which the current water sample belongs. Sampling is only considered complete when the sampling results meet the analysis requirements. This achieves precise linkage between the sampling process and the analysis requirements, improves the effectiveness and integrity of water sample separation, and thus ensures the accuracy and reliability of water quality analysis data. In addition, it avoids ineffective process losses, improves the efficiency of the entire process, and reduces the risk of cross-contamination.

[0064] In yet another optional embodiment, the liquid separation determination module 205 is further configured to: Based on the sampling results, the target water quality analysis requirements, and the remaining water samples to be analyzed, determine whether the influencing factors are currently eliminateable influencing factors. If the influencing factor is an eliminateable influencing factor, perform a post-liquid separation operation on the remaining water sample of the current water sample to be analyzed to update the sampling results until the sampling results meet the target water quality analysis requirements.

[0065] As can be seen, this optional embodiment can further analyze the reasons for the non-compliance and its eliminability if the sampling results do not meet the target water quality analysis requirements. If the non-compliance can be eliminated, a subsequent liquid separation operation can be performed to ensure the sampling reliability of the current water sample to be analyzed, thereby helping to ensure the accuracy and reliability of subsequent water sample analysis.

[0066] In yet another optional embodiment, the liquid separation determination module 205 is further configured to: If the influencing factor is not an eliminable influencing factor, based on the sampling results, a portion of the water quality analysis requirements are determined from the target water quality analysis requirements. These are then used as the water quality analysis requirements for the target water source to which the current water sample belongs. The current water quality analysis requirements are then synchronized to the water sample analysis equipment, and it is confirmed that the sampling of the current water sample has been completed.

[0067] And, such as Figure 3 As shown, the liquid separation device also includes a water sample analysis coordination module 206, which is used for: Based on the target water quality analysis requirements, the current water quality analysis requirements, and the potential influencing factors in the separation process, a subsequent supplementary water sample collection requirement is generated for the target water source to which the current water sample to be analyzed belongs, and the subsequent supplementary water sample collection requirement is fed back to the water sample storage system and / or the water sample collection control center.

[0068] As can be seen, this optional embodiment can also automatically determine the current water quality analysis requirements based on the target water quality analysis requirements when the sampling results do not meet the target water quality analysis requirements and the corresponding reasons cannot be eliminated. This avoids the situation where it is determined that the current water sample to be analyzed has not been completely sampled, thus preventing the subsequent water sample to be analyzed from being unable to be sampled. This is beneficial to improving the sampling efficiency of the subsequent water sample to be analyzed. In addition, it is also beneficial to improve the flexibility of water sample sampling. Furthermore, it can also realize the linkage with the water sample storage system and / or the water sample sampling control center to ensure that the unfinished water quality analysis requirements can be accurately and efficiently supplemented in the future.

[0069] Example 3 Please see Figure 4 , Figure 4 This is a schematic diagram of the structure of another liquid separation device disclosed in an embodiment of the present invention. Wherein, Figure 4 The described separation device is used to separate the water sample to be analyzed, obtaining multiple sub-samples for analyzing different water quality indicators. Furthermore, this separation device can be applied to unmanned automated water sample analysis systems; however, this invention does not limit its application. Figure 4 As shown, the liquid separation device may include: Memory 301 storing executable program code; Processor 302 coupled to memory 301; The processor 302 calls the executable program code stored in the memory 301 to execute some or all of the steps in the method for preventing cross-contamination of the water sample to be analyzed as described in any of the embodiments.

[0070] Example 4 This invention discloses a computer storage medium storing computer instructions. When these computer instructions are invoked, they are used to execute some or all of the steps in the method for preventing cross-contamination of the water sample to be analyzed as described in any of the embodiments.

[0071] The foregoing has provided a detailed description of a method for preventing cross-contamination of water samples to be analyzed, as well as a liquid separation device and storage medium, according to embodiments of the present invention. Specific embodiments have been used to illustrate the principles and implementation methods of the present invention. However, the above preferred embodiments are not intended to limit the present invention. The descriptions of the above embodiments are merely for the purpose of helping to understand the method and core ideas of the present invention. Furthermore, for those skilled in the art, based on the ideas of the present invention, changes may be made in specific implementation methods and application scope without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention is determined by the scope defined in the claims.

Claims

1. A method for preventing cross-contamination of a water sample to be analyzed, characterized in that, The method is applied in a liquid separator, and the method includes: After retrieving multiple water samples from the water sample storage system and before transferring them to the water sample analysis equipment, for any one of the multiple water samples that requires separation: The separation device controls the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters; after stirring, the target sampling component is controlled to take samples from the current water sample to be analyzed multiple times to obtain multiple water samples corresponding to the current water sample to be analyzed. After the current water sample to be analyzed is sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled, the separation device controls the target cleaning component to perform a target processing operation on the identified target separation coordination component; when the target separation coordination component meets the separation requirements of the subsequent water sample to be analyzed, a matching separation operation is performed on the subsequent water sample to be analyzed. The target liquid separation co-processing component includes: the target stirring component and / or the target sampling component; the target processing operation includes cleaning operation and / or drying operation.

2. The method for preventing cross-contamination of the water sample to be analyzed according to claim 1, characterized in that, Before the liquid separation device controls the target cleaning component to perform the target processing operation on the identified target liquid separation co-processing component, the method further includes: The liquid separation device acquires the first water sample identifier that uniquely corresponds to the current water sample to be analyzed and the second water sample identifier that uniquely corresponds to the subsequent water sample to be analyzed. The liquid separation device determines, based on the first water sample identifier and the second water sample identifier, whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing component used in the liquid separation process corresponding to the current water sample to be analyzed; when the determination result is yes, the control target cleaning component is executed to perform target processing operation on the determined target liquid separation co-processing component.

3. The method for preventing cross-contamination of the water sample to be analyzed according to claim 2, characterized in that, The liquid separation device, based on the first water sample identifier and the second water sample identifier, determines whether it is necessary to perform anti-cross-contamination treatment on the liquid separation co-processing components used in the liquid separation process corresponding to the current water sample to be analyzed, including: The liquid separation device obtains the first sampling water source corresponding to the current water sample to be analyzed based on the first water sample identifier, and obtains the second sampling water source corresponding to the subsequent water sample to be analyzed based on the second water sample identifier; The separation device determines whether the first sampling water source and the second sampling water source are the same water source. If the first sampling water source and the second sampling water source are not the same water source, it determines that the separation coordination component used in the separation process corresponding to the current water sample to be analyzed needs to be subjected to anti-cross-contamination treatment.

4. The method for preventing cross-contamination of the water sample to be analyzed according to claim 3, characterized in that, The liquid separation device, based on the first water sample identifier and the second water sample identifier, determines whether cross-contamination prevention measures are needed for the liquid separation co-processing components used in the liquid separation process corresponding to the currently analyzed water sample, and further includes: If the first sampling water source and the second sampling water source are not the same water source, the separation device determines whether the first sampling water source is an upstream water source of the second sampling water source. If it is determined that the first sampling water source is an upstream water source of the second sampling water source, it determines whether there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source. If there are other water source branches flowing into the water flow path from the first sampling water source to the second sampling water source before the second sampling water source, the determination is performed to perform anti-cross-contamination treatment on the separation coordination component used in the separation process corresponding to the current water sample to be analyzed.

5. The method for preventing cross-contamination of the water sample to be analyzed according to any one of claims 1-4, characterized in that, Before the liquid separation device controls the target cleaning component to perform the target processing operation on the identified target liquid separation co-processing component, the method further includes: The liquid separation device obtains sampling results from the current water sample to be analyzed. The sampling results include multiple sub-samples corresponding to the current water sample to be analyzed and target parameters corresponding to each sub-sample. The target parameters corresponding to each sub-sample include the sampling order of the sub-sample, the capacity of the sub-sample, and the post-sampling temporary storage processing operation of the sub-sample. The separation device acquires the target water quality analysis requirements corresponding to the target water source to which the current water sample to be analyzed belongs, and determines whether the sampling result meets the target water quality analysis requirements. If the sampling result meets the target water quality analysis requirements, it is determined that the sampling of the current water sample to be analyzed has been completed.

6. The method for preventing cross-contamination of the water sample to be analyzed according to claim 5, characterized in that, The method further includes: If the sampling results do not meet the target water quality analysis requirements, the separation device analyzes the influencing factors that the sampling results do not meet the target water quality analysis requirements based on the sampling results and the target water quality analysis requirements; The liquid separation device determines whether the influencing factor is currently an eliminateable influencing factor based on the sampling results, the target water quality analysis requirements, and the remaining water sample of the current water sample to be analyzed. If the influencing factor is an eliminable influencing factor, the separation device performs a post-separation operation on the remaining water sample of the current water sample to be analyzed to update the sampling results until the sampling results meet the target water quality analysis requirements.

7. The method for preventing cross-contamination of the water sample to be analyzed according to claim 6, characterized in that, The method further includes: If the influencing factor is not the eliminable influencing factor, the liquid separation device determines a portion of the water quality analysis requirements from the target water quality analysis requirements based on the sampling results, and uses it as the current water quality analysis requirements for the target water source to which the current water sample to be analyzed belongs. The current water quality analysis requirements are then synchronized to the water sample analysis equipment and it is determined that the current sampling of the current water sample to be analyzed is completed. The separation device generates a subsequent supplementary water sample collection requirement for the target water source to which the current water sample to be analyzed belongs, based on the target water quality analysis requirements, the current water quality analysis requirements, and potential influencing factors present in the separation process, and feeds back the subsequent supplementary water sample collection requirement to the water sample storage system and / or the water sample collection control center.

8. A liquid separation device, characterized in that, The liquid separation device includes a stirring control module, a sampling control module, and a component processing control module. After retrieving multiple water samples from the water sample storage system and before transferring them to the water sample analysis equipment, for any one of the multiple water samples that requires separation: The stirring control module is used to control the target stirring component to stir the current water sample to be analyzed according to the determined stirring control parameters; The sampling control module is used to control the target sampling component to take multiple samples from the current water sample to be analyzed after stirring, so as to obtain multiple water samples corresponding to the current water sample to be analyzed. The component processing control module is used to control the target cleaning component to perform target processing operations on the identified target separation coordinating component after the current water sample to be analyzed has been sampled and before the subsequent water sample to be analyzed that needs to be separated is sampled. Once the target liquid separation co-processing component meets the liquid separation requirements of the subsequent water sample to be analyzed, the stirring control module and the sampling control module are further used to perform a matching liquid separation operation on the subsequent water sample to be analyzed. The target liquid separation co-processing component includes: the target stirring component and / or the target sampling component; the target processing operation includes cleaning operation and / or drying operation.

9. A liquid separation device, characterized in that, The liquid separation device includes: Memory containing executable program code; A processor coupled to the memory; The processor calls the executable program code stored in the memory to execute the method for preventing cross-contamination of the water sample to be analyzed as described in any one of claims 1-7.

10. A computer storage medium, characterized in that, The computer storage medium stores computer instructions, which, when invoked, are used to execute the method for preventing cross-contamination of the water sample to be analyzed as described in any one of claims 1-7.

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