CN213933820U - Multifunctional water quality monitoring remote quality control instrument - Google Patents
Multifunctional water quality monitoring remote quality control instrument Download PDFInfo
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- CN213933820U CN213933820U CN202022699407.1U CN202022699407U CN213933820U CN 213933820 U CN213933820 U CN 213933820U CN 202022699407 U CN202022699407 U CN 202022699407U CN 213933820 U CN213933820 U CN 213933820U
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Abstract
The application relates to a multifunctional water quality monitoring remote quality control instrument which is connected with a water quality analyzer. The multifunctional water quality monitoring remote quality control instrument comprises a quality control main unit and an emptying unit, wherein the quality control main unit is used for providing one or more quality control functions of zero point check, 24-hour zero point drift, span check, 24-hour span drift, multipoint linear check, standard addition recovery rate test, actual water sample comparison test, integrated intervention check and parallel sample test for the water quality analyzer, the quality control main unit is provided with an actual sample water inlet, a quality control sample inlet and a liquid outlet, the liquid outlet is used for being connected with the water quality analyzer, and the liquid outlet can be selectively communicated with one of the actual sample water inlet and the quality control sample inlet; the emptying unit is connected with the quality control main unit and used for emptying liquid in a pipeline of the quality control main unit, and the multifunctional water quality monitoring remote quality control instrument can provide multiple quality control functions and can ensure the accuracy of quality control.
Description
Technical Field
The application relates to the field of quality control of water quality analysis instruments, in particular to a multifunctional water quality monitoring remote quality control instrument.
Background
The water quality monitoring and controlling instrument can supervise and examine the validity of the data measured by the water quality analyzer. For example, a quality control sample with a certain concentration is prepared and is conveyed to a water quality analyzer, corresponding measured values are collected, and the measured values are compared with a given concentration to calculate whether the error value of the measured values is within an allowable range, so that whether the water quality analyzer works normally and the validity of sample water analysis data is judged.
The water quality monitoring and control instrument in the market at present basically has the problem of single function, and cannot provide a multifunctional quality control function for a water quality analyzer. And the quality control analysis precision of the existing water quality monitoring quality control instrument needs to be improved.
SUMMERY OF THE UTILITY MODEL
The application aims at providing a long-range matter accuse appearance of multi-functional water quality monitoring, and this long-range matter accuse appearance of multi-functional water quality monitoring can provide multiple matter accuse function for water quality analyzer, and can guarantee the accuracy of matter accuse.
In order to achieve the above object, the present application provides a multifunctional water quality monitoring remote quality control instrument, which is connected to a water quality analyzer, and comprises a quality control main unit and an emptying unit, wherein the quality control unit is used for providing one or more quality control functions of zero point check, 24-hour zero point drift, span check, 24-hour span drift, multi-point linear check, standard addition recovery rate test, actual water sample comparison test, integrated intervention check and parallel sample test for the water quality analyzer; and the emptying unit is connected with the quality control main unit and is used for emptying liquid in a pipeline of the quality control main unit.
Optionally, the quality control main unit comprises a standard liquid unit, and the standard liquid unit can provide different standard liquids for the quality control main unit to realize the zero point check, the 24-hour zero point drift quality control, the span check, the 24-hour span drift quality control and the multi-point linear check; the marking liquid unit is provided with zero point marking liquid, span marking liquid, first marking liquid and second marking liquid, the zero point marking liquid is used for the zero point inspection and the quality control of the 24-hour zero point drift, the span marking liquid is used for the span inspection and the quality control of the 24-hour span drift, and the zero point marking liquid, the span marking liquid, the first marking liquid and the second marking liquid are combined and used for the multi-point linear inspection.
Optionally, the quality control main unit further comprises a liquid preparation sample retention unit, and the liquid preparation sample retention unit is configured to provide a sample to the quality control sample water port during the standard addition recovery rate test, the actual water sample comparison test, the integrated intervention check, or the parallel sample test.
Optionally, the quality control main unit further comprises a quality control sample supply unit, and the quality control sample supply unit can supply the standard solution in the standard solution unit and the quality control sample in the solution preparation sample retention unit to the water quality analyzer; the quality control sample supply unit comprises a first three-way valve, a first port of the first three-way valve is connected with the actual sample water inlet, a second port of the first three-way valve is connected with the liquid outlet, a third port of the first three-way valve is respectively connected with the standard liquid unit and the liquid preparation sample retention unit, and a third port of the first three-way valve is constructed as the quality control sample inlet.
Optionally, the quality control sample supply unit further comprises a first two-way valve and a plurality of standard liquid two-way valves; a third port of the first three-way valve is connected with the liquid preparation sample retention unit through the first two-way valve; and a third port of the first three-way valve is connected with a container containing corresponding standard liquid in the standard liquid unit through the plurality of standard liquid two-way valves.
Optionally, the liquid preparation and sample retention unit comprises a comparison sample retention bottle, a second three-way valve, a first pump, an air pump, a liquid preparation cup, a constant volume valve, a liquid discharge valve and a standard liquid feeding flow path; a liquid outlet of the first pump is connected with a first port of the second three-way valve so as to pump actual sample water to the second three-way valve, and the comparison sample bottle is connected with a second port of the second three-way valve; the interior of the liquid preparation cup is connected with a third port of the second three-way valve; the air pump is used for supplying air to the interior of the liquid preparation cup, the liquid preparation cup is connected with a third port of the first three-way valve, the liquid discharge valve is arranged at the downstream of an outlet of the liquid preparation cup, one end of the constant volume valve is connected with the interior of the liquid preparation cup so as to be opened when the liquid level of the liquid preparation cup reaches a threshold value, and the standard liquid feeding flow path is used for feeding standard liquid into the liquid preparation cup.
Optionally, the quality control main unit further comprises a constant temperature unit, and the standard solution unit is placed in the constant temperature unit so that the constant temperature unit can provide constant temperature for the standard solution in the standard solution unit.
Optionally, the emptying unit includes a second pump and a third three-way valve, the third three-way valve is disposed between the first three-way valve and the liquid outlet, a first port of the third three-way valve is connected to a second port of the first three-way valve, a second port of the third three-way valve is connected to the liquid outlet, and a third port of the third three-way valve is connected to the second pump.
Optionally, the quality control sample supply unit further comprises a second two-way valve, a third two-way valve, an air inlet and a pure water inlet; one end of the second two-way valve is connected with the third port of the first three-way valve, and the other end of the second two-way valve is used for being connected with the air inlet; and one end of the third two-way valve is connected with the third port of the first three-way valve, and the other end of the third two-way valve is used for being connected with the pure water inlet.
Optionally, the multifunctional water quality monitoring remote quality control instrument comprises a control module, a plurality of quality control main units and a plurality of emptying units, wherein the control module is electrically connected with the plurality of quality control main units and the plurality of emptying units respectively, and one quality control main unit and one emptying unit correspond to one water quality analyzer.
The application provides a long-range quality control instrument of multi-functional water quality monitoring can provide including the quality control of zero point inspection, 24 hours drift, the span is checked, the quality control of 24 hours span drift, the multiple spot linearity is checked, the actual water sample is compared, add standard rate of recovery test, integrated intervention inspection, parallel appearance test, can provide the required quality control function of environmental monitoring master station to online analytical instrument, consequently, do benefit to the operating condition of comprehensive accurate judgement water quality analyzer and the validity of analytical data.
Moreover, due to the arrangement of the emptying unit, residual liquid in the pipeline of the emptying unit can be discharged before corresponding quality control monitoring or starting the water quality analyzer, so that the influence of residual liquid on quality control analysis is reduced, and the detection accuracy of the water quality analyzer and the multifunctional water quality monitoring remote quality controller is favorably improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic connection diagram of parts of a multifunctional water quality monitoring remote quality control instrument according to an embodiment of the present application, in which an emptying unit and a quality control sample supply unit are shown;
fig. 2 is a schematic connection diagram of parts of a multifunctional water quality monitoring remote quality control instrument according to an embodiment of the present application, wherein a liquid preparation and sample retention unit is shown;
FIG. 3 is a schematic structural diagram of parts of the multifunctional water quality monitoring remote quality control instrument according to an embodiment of the present application, in which a constant temperature unit and a standard liquid unit are shown;
fig. 4 is a schematic structural block diagram of a multifunctional water quality monitoring remote quality control instrument according to an embodiment of the present application;
fig. 5 is a schematic block diagram of the connection between the multifunctional water quality monitoring remote quality control instrument and the water quality analyzer according to an embodiment of the present application.
Icon: 10-an evacuation unit; 11-a second pump; 12-a third three-way valve; 121-a first port of a third three-way valve; 122-a second port of the third three-way valve; 123-a third port of a third three-way valve; 20-standard liquid unit; 21-zero point liquid standard bottle; 22-span standard bottle; 23-a first liquid vial; 24-a second vial; 25-pure water bottle; 30-a quality control sample supply unit; 31-a first three-way valve; 311 — a first port of a first three-way valve; 312 — a second port of the first three-way valve; 313 — a third port of the first three-way valve; 301-two way valve block; 32-a first two-way valve; 33-standard liquid two-way valve; 34-a second two-way valve; 35-a third two-way valve; 40-liquid preparation and sample retention unit; 41-a first pump; 42-a second three-way valve; 421 — a first port of a second three-way valve; 422-a second port of the second three-way valve; 423-third port of the second three-way valve; 43-alignment retentate vial; 44-an air pump; 45-liquid preparation cup; 451-overflow port of liquid preparation cup; 452-a connecting tube; 453-a liquid outlet pipe; 46-constant volume valve; 47-drain valve; 48-a pollution discharge structure; 481-constant pressure tube; 491-a third pump; 492-a fourth three-way valve; 4921-a first port of a fourth three-way valve; 4922-a second port of a fourth three-way valve; 4923-a third port of a fourth three-way valve; 493-a metering device; 494-adding a standard liquid bottle; 50-a constant temperature unit; 51-a first chamber; 52-a second chamber; 53-a box body; 54-a heat preservation structure; 55-a refrigeration device; 56-a heat sink; 61-a first liquid level detector; 62-a second liquid level detector; 70-actual sample water inlet; 80-quality control sample inlet; 90-a liquid outlet; 100-a quality control main unit; 200-a control module; 210-a first control module; 220-a second control module; 300-water quality analyzer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the product conventionally places when used, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Further, in the embodiments of the present application, "standard solution" refers to a standard solution, i.e., a reagent solution having an accurately known concentration.
As shown in fig. 1 to 5, the present application provides a multifunctional water quality monitoring remote quality control instrument, which is connected to a water quality analyzer 300 (such as an online water quality analyzer) for evaluating the working state of the water quality analyzer 300 and the validity of the test data thereof.
The multifunctional water quality monitoring remote quality control instrument comprises a quality control main unit 100 and an emptying unit 10. The quality control main unit 100 is configured to provide one or more quality control functions of zero point check, 24-hour zero point drift, span check, 24-hour span drift, multi-point linear check, spiking recovery rate test, actual water sample comparison test, integrated intervention check, and parallel sample test to the water quality analyzer 300. The quality control main unit 100 has an actual sample water inlet 70, a quality control sample inlet 80 and a liquid outlet 90, the liquid outlet 90 is used for connecting with the water quality analyzer 300 to provide a sample to be detected for the water quality analyzer 300, and the liquid outlet 90 is selectively communicated with one of the actual sample water inlet 70 and the quality control sample inlet 80, that is, when the actual sample water inlet 70 is communicated with the liquid outlet 90, the quality control sample inlet 80 and the liquid outlet 90 are cut off; when the quality control sample inlet 80 and the liquid outlet 90 are communicated, the actual sample water inlet 70 and the liquid outlet 90 are cut off. The evacuation unit 10 is connected to the quality control main unit 100, and is configured to evacuate liquid in the pipeline of the quality control main unit 100, for example, liquid such as target liquid or sample water remaining in the pipeline at the previous quality control before performing corresponding quality control detection or starting the water quality analyzer 300.
The application provides a long-range quality control instrument of multi-functional water quality monitoring can provide including the quality control of zero point inspection, 24 hours drift, span inspection, the quality control of 24 hours span drift, the multi-point linearity is checked, the actual water sample is compared, add standard rate of recovery test, integrated intervention inspection, parallel appearance test, can provide the quality control function that the total station of environmental monitoring required to online analytical instrument, consequently, do benefit to the operating condition of comprehensive accurate judgement water quality analyzer 300 and the validity of analytical data.
Moreover, due to the arrangement of the emptying unit 10, residual liquid in a pipeline of the emptying unit 10 can be discharged before corresponding quality control monitoring or starting the water quality analyzer 300 to work, so that the influence of residual liquid on quality control analysis is reduced, and the detection accuracy of the water quality analyzer 300 and a multifunctional water quality monitoring remote quality controller is improved.
The purpose of performing the zero point check is to: the measurement reliability of the water quality analyzer 300 is judged through the indicating value error of the zero point liquid or the low-range standard liquid of the analyzer.
The purpose of performing span checks is to: the concentration range of the standard solution of the daily quality control measure is arranged in the range of the section water quality category as much as possible, the standard points of the working curve of the water quality analyzer 300 in the range are increased through quality control check, the linear correlation coefficient of the working curve in the range is checked, the uncertainty of the working curve of the analyzer in the range is reduced, and the reliability of water sample measurement of the water quality analyzer 300 in the range is improved.
The purpose of performing 24-hour zero drift and 24-hour span drift is: the stability of the water quality analyzer 300 in long-term operation is judged.
The integrated intervention check is carried out with the purpose of: the influence of the water quality analyzer 300 (water collection unit, pretreatment unit, etc.) on the water quality was examined.
The purpose of performing the multi-point linearity check is to: and (3) testing the uncertainty of the working curve of the water quality analyzer 300 in the span range so as to judge the reliability of the analysis data in the span range.
The objective of performing the spiked recovery test was: whether the analysis method is suitable for the tested matrix or not is reflected, so that an analyst is helped to find problems in analysis in time, and the accuracy and reliability of analysis data are ensured.
Carry out the aim at that the actual water sample compares: the consistency of the analysis results of the laboratory analysis and the water quality analyzer 300 is ensured, so that the water quality detector can provide accurate and reliable monitoring results.
The purpose of the parallel sample test was to: reflecting the precision of the analyzer test.
It should be noted that the detection principles and specific processes of zero point check, 24-hour zero point drift, span check, 24-hour span drift, multi-point linear check, spiking recovery rate test, actual water sample comparison test, integrated intervention check, and parallel sample test are well known to those skilled in the art, and are not described herein again.
In the embodiment of this application, multi-functional water quality monitoring remote quality control appearance can be connected with host computer and environmental protection testing platform communication respectively to upload host computer and environmental protection testing platform with the quality control result, and accept remote control. For example, the multifunctional water quality monitoring remote quality control instrument can upload a quality control result to an upper computer through serial port communication, and can upload the quality control result to an environment-friendly monitoring platform through network communication.
In the embodiment of the present application, the quality control main unit 100 may have any suitable structure, as shown in fig. 1 and 5, in an embodiment of the present application, the quality control main unit 100 includes a standard liquid unit 20, and the standard liquid unit 20 can provide different standard liquids to the quality control main unit 100 to implement zero point check, quality control of zero point drift for 24 hours, span check, quality control of span drift for 24 hours, and multi-point linear check.
The marking liquid unit 20 may have a zero marking liquid, a span marking liquid, a first marking liquid, a second marking liquid, and a ground. As shown in fig. 1, the zero-point standard solution, the span standard solution, the first standard solution and the second standard solution can be respectively contained in a zero-point standard solution bottle 21, a span standard solution bottle 22, a first standard solution bottle 23 and a second standard solution bottle 24. The zero marking liquid is used for zero checking and quality control of zero drift for 24 hours. The span standard liquid is used for span check and quality control of 24-hour span drift. The zero point marking liquid, the span marking liquid, the first marking liquid and the second marking liquid are combined and used for multi-point linear checking.
It is understood that, in the present embodiment, the concentrations of the first target liquid and the second target liquid are different, and the concentrations of the first target liquid and the second target liquid are also different from the concentrations of the zero-point target liquid and the span target liquid.
As shown in fig. 2 and 5, the quality control main unit 100 may further include a liquid preparation and sample retention unit 40, wherein the liquid preparation and sample retention unit 40 is configured to provide the quality control sample water or the standard liquid to the quality control sample inlet 80 during the standard addition recovery test, the actual water sample comparison test, the integrated intervention check, and the parallel sample test.
As shown in fig. 1 and 5, the quality control main unit 100 may further include a quality control sample supply unit 30, and the quality control sample supply unit 30 is configured to supply the target solution in the target solution unit 20 and the solution in the solution preparation sample retention unit 40 to the water quality analyzer 300. The quality control sample supply unit 30 may include a first three-way valve 31, a first port 311 of the first three-way valve 31 is connected to the actual sample water inlet 70, a second port 312 of the first three-way valve 31 is connected to the liquid outlet 90, and a third port 313 of the first three-way valve 31 is respectively connected to the standard liquid unit 20 and the liquid preparation sample retention unit 40. In this embodiment, the three-way valve is used to connect the liquid preparation sample retention unit 40 and the standard liquid unit 20 to the flow path between the actual sample water inlet 70 and the actual sample liquid outlet 90 in an on-off manner, so that the structure is simple, and the structure of the multifunctional water quality monitoring remote quality control instrument is simplified. In other embodiments of the present application, the liquid preparation and sample retention unit 40 and the standard liquid unit 20 can be connected to the quality control sample inlet 80 through a two-way valve, respectively.
In the present embodiment, when the quality control monitoring is not performed, the first port 311 of the first three-way valve 31 may be made to communicate with the second port 312 of the first three-way valve 31. Thus, the actual sample water entering from the actual sample water inlet 70 can flow into the water quality analyzer 300 through the first three-way valve 31 and the liquid outlet 90, and the water quality analyzer 300 performs water quality analysis on the actual sample water at this time. It is understood that in the embodiment of the present application, a pump may be provided in the pipeline of the multifunctional water quality monitoring remote quality controller or in the water quality analyzer 300 for pumping actual sample water or quality control sample.
When zero point check, 24-hour zero point drift quality control, span check, 24-hour span drift quality control or multi-point linear check is required, the third port 313 of the first three-way valve 31 can be communicated with the standard liquid unit 20, so that the zero point standard liquid, the span standard liquid, the first standard liquid and the second standard liquid in the standard liquid unit 20 can sequentially enter the water quality analyzer 300 through the first three-way valve 31 and the liquid outlet 90, and the working state of the water quality analyzer 300 and the effectiveness of analysis data can be judged by comparing the result of analyzing the standard liquid by the water quality analyzer 300 with the known concentration of the standard liquid.
When a standard adding recovery rate test, an actual water sample comparison test, an integrated intervention inspection or a parallel sample test needs to be performed, the third port 313 of the first three-way valve 31 can be communicated with the liquid preparation and sample retention unit 40, so that quality control sample water or a standard adding sample in the liquid preparation and sample retention unit 40 can sequentially enter the water quality analyzer 300 through the first three-way valve 31 and the liquid outlet 90, and the working state of the water quality analyzer 300 and the effectiveness of analysis data can be judged by comparing the result of analyzing the solution by the water quality analyzer 300 with the known concentration of the standard solution.
Optionally, as shown in fig. 1, in an embodiment of the present application, the quality control sample supply unit 30 further includes a first two-way valve 32 and a plurality of target liquid two-way valves 33. The third port 313 of the first three-way valve 31 is connected to the liquid preparation and sample retention unit 40 through the first two-way valve 32, that is, one end of the first two-way valve 32 is connected to the third port 313 of the first three-way valve 31, and the other end of the first two-way valve 32 is connected to the liquid preparation and sample retention unit 40, for example, as shown in fig. 2, the other end of the first two-way valve 32 is connected to the liquid preparation cup 45 of the liquid preparation and sample retention unit 40 through the liquid outlet pipe 453.
In the present embodiment, the third port 313 of the first three-way valve 31 is connected to a container containing a corresponding target liquid in the target liquid unit 20 through a plurality of target liquid two-way valves 33.
Here, it should be noted that the "target liquid two-way valve 33" mentioned herein refers to a two-way valve having one end connected to the third port 313 of the first three-way valve 31 and the other end connected to a container containing target liquid in the target liquid unit 20.
In the embodiment shown in fig. 1, the two standard solution valves 33 may include 4 standard solution valves 33, and the other ends of the 4 standard solution valves 33 are respectively connected to the zero-point standard solution bottle 21, the span standard solution bottle 22, the first standard solution bottle 23 and the second standard solution bottle 24. In this way, when the zero point check, the 24-hour zero point drift quality control, the span check, the 24-hour span drift quality control, and the multipoint linear check are performed, only the corresponding standard liquid two-way valve 33 may be opened. For example, when the zero-point travel check or the 24-hour zero-point drift quality control is required, only the target liquid two-way valve 33 connected between the first three-way valve 31 and the zero-point target liquid bottle 21 may be opened, and the other 3 target liquid two-way valves 33 may be in a closed state, so that the influence on the detection result is avoided.
As shown in fig. 1 and 5, in an embodiment of the present application, the quality control main unit 100 may further include a first liquid level detector 61, and the first liquid level detector 61 is used for detecting a liquid flow condition in the pipeline of the quality control main unit 100, so as to provide a signal for indicating whether the sample (including the actual sample liquid and the standard liquid) in the pipeline is normal.
Alternatively, as shown in fig. 1, the first liquid level detector 61 may be disposed between the second port 312 of the first three-way valve 31 and the liquid outlet 90. In particular, it may be provided between the first three-way valve 31 and the third three-way valve 12 (see below for details).
In the embodiments of the present application, the liquid preparation and sample retention unit 40 may include any structure. Alternatively, as shown in fig. 2, in an embodiment of the present application, the liquid preparing and sample reserving unit 40 may include a comparison sample reserving bottle 43, a second three-way valve 42, a first pump 41, an air pump 44, a liquid preparing cup 45, a constant volume valve 46, a drain valve 47, and a labeling liquid delivery flow path.
Wherein the outlet of the first pump 41 is connected to the first port 421 of the second three-way valve 42 to pump the actual sample water to the second three-way valve 42. The control retentate vial 43 is connected to the second port 422 of the second three-way valve 42. The interior of the dispensing cup 45 is connected to the third port 423 of the second three-way valve 42, the air pump 44 is used for supplying air to the interior of the dispensing cup 45, and the dispensing cup 45 is connected to the third port 312 of the first three-way valve 31, for example, as shown in fig. 1 and 2, the dispensing cup 45 may be connected to the first two-way valve 32 through the drain pipe 453 and connected to the third port 313 of the first three-way valve 31 through the first two-way valve 32. A drain valve 47 is provided downstream of the outlet of the dispensing cup 45 and one end of the constant volume valve 46 is connected to the interior of the dispensing cup to open when the liquid level in the dispensing cup 45 reaches a threshold value. The labeling liquid feed path is for feeding a labeling liquid into the liquid preparation cup 45.
In this embodiment, when performing an actual water sample comparison test, the first port 421 of the second three-way valve 42 and the third port 423 of the second three-way valve 42 are communicated, the water sample is pumped to the liquid preparation cup 45 through the first pump 41, the first two-way valve 32 is opened, and the second port 312 of the first three-way valve 31 and the third port 313 of the first three-way valve 31 are communicated, so that the actual sample water in the liquid preparation cup 45 can sequentially pass through the first two-way valve 32, the first three-way valve 31 and the liquid outlet 90, enter the water quality analyzer 300, and the actual sample water is detected. Meanwhile, the first port 421 of the second three-way valve 42 and the second port 422 of the second three-way valve 42 can be communicated, the sample water is reserved in the comparison and sample reserving bottle 43, the reserved water sample is analyzed by the laboratory, the analysis result is input into the quality control instrument, the actual water sample is carried out, and the comparison error calculation and judgment are carried out on the actual water sample analysis result of the laboratory analysis and the water quality analyzer 300.
When carrying out integrated intervention inspection test, likewise, can open second three-way valve 42, draw the water sample to join in marriage liquid cup 45 through first pump 41 to open first two-way valve 32, open first three-way valve 31, make and join in marriage the actual sample water in the liquid cup 45 and can pass through first two-way valve 32, first three-way valve 31, liquid outlet 90 in proper order, enter into water quality analyzer 300, detect actual sample water. The above-described detection is performed twice in succession, and calculation of the integrated intervention test is performed to judge the influence of the water quality analyzer 300 (water collection unit, pretreatment unit, etc.) on the water quality.
When parallel sample testing is performed, firstly, the openable second three-way valve 42 pumps a water sample to the liquid preparation cup 45 through the first pump 41, opens the first two-way valve 32, and opens the first three-way valve 31, so that actual sample water can sequentially pass through the first two-way valve 32, the first three-way valve 31 and the liquid outlet 90 and enter the water quality analyzer 300 to detect the actual sample water. Then, the air pump 44 is activated to remix the standing sample water to restore it to the original state, and then the above-mentioned detection steps are performed again, and the calculation of the error of the parallel samples is performed twice to determine the precision of the test by the water quality analyzer 300.
When the standard adding recovery rate test is performed, firstly, the openable second three-way valve 42 pumps a water sample to the liquid preparation cup 45 through the first pump 41, opens the first two-way valve 32, and opens the first three-way valve 31, so that actual sample water can sequentially pass through the first two-way valve 32, the first three-way valve 31 and the liquid outlet 90 and enter the water quality analyzer 300 to detect the actual sample water; then, the constant volume valve 46 is opened, the constant volume valve 46 is closed after the actual sample water is accurately quantified; then, the labeled liquid is conveyed into the liquid preparation cup 45 through the labeled liquid conveying flow path; finally, after the actual sample water and the standard adding liquid are uniformly mixed by the air pump 44, the detection is performed again to test the standard adding recovery rate so as to judge whether the analysis method is suitable for the tested matrix, help the analyst to find the problems existing in the analysis in time and ensure the accuracy and reliability of the analysis data.
Alternatively, in one embodiment of the present application, the labeling solution delivery path may include a third pump 491, a fourth three-way valve 492, a metering device 493, and a labeling solution bottle 494. A first port 4921 of the fourth three-way valve 492 is communicated with the interior of the liquid dispensing cup 45, a second port 4922 of the fourth three-way valve 492 is connected with the third pump 491 by a metering device 493, and a third port 4923 of the fourth three-way valve 492 is connected with a standard liquid adding bottle 494. When the standard solution needs to be transferred to the solution dispensing cup 45, the second port 4922 of the fourth three-way valve 492 and the third port 4923 of the fourth three-way valve 492 can be communicated, the standard solution is pumped into the metering device 493 by the third pump 491 and metered, and then the standard solution is pumped into the solution dispensing cup 45 by the third pump 491.
As shown in fig. 2, the liquid preparation and sample retention unit 40 may further include a drainage structure 48 and a constant pressure pipe 481, wherein a liquid inlet of the drainage structure 48 is connected to a liquid outlet of the drain valve 47 to receive the solution from the drain valve 47. The constant-pressure pipe 481 has both ends open, and one end is communicated with the inside of the sewage discharging structure 48, and the other end is communicated with the outside air pressure. In this way, the constant pressure pipe 481 is provided, so that the situation that the solution flowing out of the liquid discharge valve 47 cannot be normally discharged to the drainage structure 48 due to water resistance and the like is avoided.
As shown in fig. 2, in an embodiment of the present application, the liquid preparing and sample reserving unit 40 may further include a second liquid level detector 62, and the second liquid level detector 62 is used for detecting a liquid level in the liquid preparing cup 45 to determine a liquid level condition in the liquid preparing cup 45.
Optionally, as shown in fig. 2, the liquid preparation sample retention unit 40 further comprises a connection pipe 452, one end of the connection pipe 452 is connected to the overflow port 451 of the liquid preparation cup arranged on the side wall of the liquid preparation cup 45, the other end is connected to the drainage structure 48, and the second liquid level detector 62 is arranged in the connection pipe.
It should be noted that, in other embodiments of the present application, the alignment pins 43 may be disposed in the standard solution unit 20.
As shown in fig. 3, in an embodiment of the present application, the quality control main unit 100 may further include a constant temperature unit 50, the target solution unit 20 is placed in the constant temperature unit 50, and the constant temperature unit 50 is used for providing a constant temperature to the target solution in the target solution unit 20. For example, the thermostatic unit 50 may provide a 4 ± 2 ℃ environment to the standard solution unit 20 for standard solution and leave-on sample water storage. Here, the constant temperature unit 50 may be configured like a refrigerator to provide a relatively low temperature to the target liquid and the reserved sample water.
Alternatively, as shown in fig. 3, the thermostatic unit 50 may include a box 53, a refrigerating device 55 and a heat dissipating device 56, the box 53 has a first chamber 51 and a second chamber 52 which are separated, the marking liquid unit 20 is disposed in the first chamber 51, the refrigerating device 55 is configured to enable the first chamber 51 to exchange heat with the second chamber 52 to refrigerate the first chamber 51, so that the first chamber 51 becomes a thermostatic chamber, and the heat dissipating device 56 is disposed in the second chamber 52. In the working state of the refrigeration device 55, the part located in the first chamber 51 provides low temperature to provide a low-temperature environment for the first chamber 51, the part located in the second chamber 52 releases high temperature, and heat is led out of the box body 53 through the heat dissipation device 56;
further, an insulation structure 54 may be provided within the oven to prevent heat loss from the oven. The insulating structure 54 is not limited in this application and, optionally, in one embodiment of the present application, the insulating structure 54 may be configured as an insulating layer disposed within the sandwich of the box panels.
The specific structure of the evacuation unit 10 is not limited in this application. Alternatively, as shown in fig. 1, in an embodiment of the present application, the evacuation unit 10 may include a second pump 11 and a third three-way valve 12, the third three-way valve 12 is disposed between the first three-way valve 31 and the liquid outlet 90, the first port 121 of the third three-way valve 12 is connected to the second port 312 of the first three-way valve 31, the first port 122 of the third three-way valve 12 is connected to the liquid outlet 90, and the third port 123 of the third three-way valve 12 is connected to the second pump 11.
In this embodiment, before starting the water quality analyzer 300 or the multifunctional water quality monitoring remote quality control instrument, the third three-way valve 12 and the second pump 11 may be opened, and the second pump 11 may be started to pump away the residual liquid in the pipeline, and the pipeline may be rinsed with the sample water to be measured or the quality control sample solution.
As shown in fig. 1, in an embodiment of the present application, the quality control sample supply unit 30 further includes a two-way valve set 301, and the two-way valve set 301 may include a second two-way valve 34, a third two-way valve 35, an air inlet, and a pure water inlet. One end of the second two-way valve 34 is connected to the third port 313 of the first three-way valve 31, and the other end of the second two-way valve 34 is connected to the air inlet. One end of the third two-way valve 35 is connected to the third port 313 of the first three-way valve 31, and the other end of the third two-way valve 35 is used for connection to a pure water inlet, for example, to the pure water bottle 25 containing pure water. Thus, when the pipeline in the multifunctional water quality monitoring remote quality control instrument needs to be emptied, the second two-way valve 34 can be opened, and the second pump 11 can be started to empty the residual liquid in the pipeline. When the pipe in water is required to be cleaned, the third two-way valve 35 may be opened and the second pump 11 may be activated to clean the inside of the pipe with pure water.
Optionally, as shown in fig. 1, the quality control sample providing unit 30 further includes a main path, two ends of the main path are respectively connected to the third port 313 and the second two-way valve 34 of the first three-way valve 31, and the first two-way valve 32, the third two-way valve 35 and the plurality of standard solution two-way valves 33 are respectively connected to the main path through branches.
When water quality detection is carried out, various water quality pollution factors (such as permanganate index, ammonia nitrogen, total phosphorus and total nitrogen) are measured and monitored. When each water quality pollution factor is respectively monitored, the time is long.
In view of this, as shown in fig. 4, in an embodiment of the present application, the multifunctional water quality monitoring remote quality controller may include a control module 200, a plurality of quality control main units 100, and a plurality of emptying units 10, wherein the control module 200 is electrically connected to the plurality of quality control main units 100 and the plurality of emptying units 10, respectively, and one quality control main unit 100 and one emptying unit 10 correspond to one water quality analyzer 300.
Like this, utilize a multi-functional water quality monitoring remote quality control appearance, can measure the control to the multiple quality of water pollution factor of aquatic simultaneously, can improve monitoring efficiency. Moreover, since each quality control main unit 100 individually monitors a contamination factor without affecting each other, the accuracy of the quality control result can be ensured.
The number of the quality control main unit 100 and the evacuation unit 10 of the present application is not limited, and alternatively, in one embodiment of the present application, the number of the quality control main unit 100 and the evacuation unit 10 is 4. Therefore, the permanganate index, ammonia nitrogen, total phosphorus and total nitrogen in water can be simultaneously detected by using the multifunctional water quality monitoring remote quality control instrument.
As shown in FIG. 5, in one embodiment of the present application, the control module 200 may include a first control module 210 and a second control module 220. The first control module 210 is electrically connected to the thermostatic unit 50 for controlling the thermostatic unit 50, for example, for controlling the operation of the cooling device 55 and the heat sink 56 in the thermostatic unit 50, so that the standard liquid unit 20 located in the thermostatic unit 50 provides a proper temperature. The second control module 220 is electrically connected to the emptying unit 10, the quality control sample supplying unit 30, and the liquid preparation sample keeping unit 40, respectively, for controlling operations of the emptying unit 10, the quality control sample supplying unit 30, and the liquid preparation sample keeping unit 40, for example, operations of valves in the emptying unit 10, the quality control sample supplying unit 30, and the liquid preparation sample keeping unit 40, operations of the first liquid level detector 61 and the second liquid level detector 62, operations of parts in the labeling liquid delivery flow path, and the like.
The first control module 210 and/or the second control module 220 may include a display unit, a data transmission unit, a data storage unit, a data acquisition unit, and a controller.
Here, the display unit is used for displaying data and inputting quality control parameters; the data transmission unit is used for data transmission; the data storage unit is used for storing quality control data, quality control results and records of operation events; the data acquisition unit is used for acquiring and calculating analysis of quality control sample analysis data; the controller is used for controlling the operation of the components in the quality control main unit 100 and the emptying unit 10. For example, the controller in the first control module 210 may be used to control the operation of the cooling device 55 and the heat sink 56 in the thermostatic unit 50 to ensure that the thermostatic unit 50 is maintained at a desired temperature, or the controller in the second control module 220 may be used to control the connection and disconnection of the ports of the first three-way valve 31, the second three-way valve 42, the third three-way valve 12, and the fourth three-way valve 492.
In the embodiment of the application, the multifunctional water quality monitoring remote quality control instrument further comprises a power supply, and the power supply is used for supplying power to the multifunctional water quality monitoring remote quality control instrument.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a long-range matter accuse appearance of multi-functional water quality monitoring, links to each other with water quality analyzer which characterized in that includes:
the quality control main unit is used for providing one or more quality control functions of zero point check, 24-hour zero point drift, span check, 24-hour span drift, multipoint linear check, standard addition recovery rate test, actual water sample comparison test, integrated intervention check and parallel sample test for the water quality analyzer, and is provided with an actual sample water inlet, a quality control sample inlet and a liquid outlet, wherein the liquid outlet is used for being connected with the water quality analyzer, and the liquid outlet can be selectively communicated with one of the actual sample water inlet and the quality control sample inlet;
the quality control main unit comprises a standard liquid unit, and the standard liquid unit can provide different standard liquids for the quality control main unit so as to realize zero point inspection, quality control of 24-hour zero point drift, span inspection, quality control of 24-hour span drift and multipoint linear inspection;
and the emptying unit is connected with the quality control main unit and is used for emptying liquid in a pipeline of the quality control main unit.
2. The multifunctional water quality monitoring remote quality control instrument according to claim 1, wherein the marking liquid unit comprises a zero marking liquid, a span marking liquid, a first marking liquid and a second marking liquid, the zero marking liquid is used for quality control of zero checking and 24-hour zero drift, the span marking liquid is used for quality control of the span checking and 24-hour span drift, and the zero marking liquid, the span marking liquid, the first marking liquid and the second marking liquid are combined and used for multi-point linear checking.
3. The multifunctional water quality monitoring remote quality control instrument according to claim 2, wherein the quality control main unit further comprises a liquid preparation and sample retention unit, and the liquid preparation and sample retention unit is used for providing a quality control sample to the quality control sample port during the standard addition recovery rate test, the actual water sample comparison test, the integrated intervention inspection or the parallel sample test.
4. The multifunctional water quality monitoring remote quality control instrument according to claim 3, wherein the quality control main unit further comprises a quality control sample supply unit, and the quality control sample supply unit can supply a standard liquid in the standard liquid unit and a quality control sample in the liquid preparation sample retention unit to the water quality analyzer;
the quality control sample supply unit comprises a first three-way valve, a first port of the first three-way valve is connected with the actual sample water inlet, a second port of the first three-way valve is connected with the liquid outlet, a third port of the first three-way valve is respectively connected with the standard liquid unit and the liquid preparation sample retention unit, and a third port of the first three-way valve is constructed as the quality control sample inlet.
5. The multifunctional water quality monitoring remote quality control instrument according to claim 4, wherein the quality control sample supply unit further comprises a first two-way valve and a plurality of standard liquid two-way valves;
a third port of the first three-way valve is connected with the liquid preparation sample retention unit through the first two-way valve;
and a third port of the first three-way valve is connected with a container containing corresponding standard liquid in the standard liquid unit through the plurality of standard liquid two-way valves.
6. The multifunctional water quality monitoring remote quality control instrument according to claim 4 or 5, wherein the liquid preparation and sample retention unit comprises a comparison sample retention bottle, a second three-way valve, a first pump, an air pump, a liquid preparation cup, a constant volume valve, a liquid discharge valve and a standard liquid feeding flow path;
a liquid outlet of the first pump is connected with a first port of the second three-way valve so as to pump actual sample water to the second three-way valve, the comparison sample retention bottle is connected with a second port of the second three-way valve, and the interior of the liquid preparation cup is connected with a third port of the second three-way valve;
the air pump is used for supplying air to the interior of the liquid preparation cup, the liquid preparation cup is connected with a third port of the first three-way valve, the liquid discharge valve is arranged at the downstream of an outlet of the liquid preparation cup, one end of the constant volume valve is connected with the interior of the liquid preparation cup so as to be opened when the liquid level of the liquid preparation cup reaches a threshold value, and the standard liquid feeding flow path is used for feeding standard liquid into the liquid preparation cup.
7. The multifunctional water quality monitoring remote quality control instrument according to any one of claims 2 to 5, wherein the quality control main unit further comprises a constant temperature unit, and the standard solution unit is placed in the constant temperature unit so that the constant temperature unit can provide constant temperature for the standard solution in the standard solution unit.
8. The multifunctional water quality monitoring remote quality control instrument according to claim 4 or 5, wherein the emptying unit comprises a second pump and a third three-way valve, the third three-way valve is arranged between the first three-way valve and the liquid outlet, a first port of the third three-way valve is connected with a second port of the first three-way valve, a second port of the third three-way valve is connected with the liquid outlet, and a third port of the third three-way valve is connected with the second pump.
9. The multifunctional water quality monitoring remote quality control instrument according to claim 8, wherein the quality control sample supply unit further comprises a second two-way valve, a third two-way valve, an air inlet and a pure water inlet;
one end of the second two-way valve is connected with the third port of the first three-way valve, and the other end of the second two-way valve is used for being connected with the air inlet;
and one end of the third two-way valve is connected with the third port of the first three-way valve, and the other end of the third two-way valve is used for being connected with the pure water inlet.
10. The multifunctional water quality monitoring remote quality control instrument according to any one of claims 1 to 5, comprising a control module, a plurality of quality control main units and a plurality of emptying units, wherein the control module is electrically connected with the plurality of quality control main units and the plurality of emptying units respectively, and one quality control main unit and one emptying unit correspond to one water quality analyzer.
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| CN202022699407.1U CN213933820U (en) | 2020-11-19 | 2020-11-19 | Multifunctional water quality monitoring remote quality control instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670908A (en) * | 2021-08-16 | 2021-11-19 | 杭州绿洁环境科技股份有限公司 | Sulfide analyzer and analysis method |
| CN114324798A (en) * | 2021-12-28 | 2022-04-12 | 中广核太阳能德令哈有限公司 | Calibration system and calibration method for oil-in-water analyzer |
-
2020
- 2020-11-19 CN CN202022699407.1U patent/CN213933820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670908A (en) * | 2021-08-16 | 2021-11-19 | 杭州绿洁环境科技股份有限公司 | Sulfide analyzer and analysis method |
| CN114324798A (en) * | 2021-12-28 | 2022-04-12 | 中广核太阳能德令哈有限公司 | Calibration system and calibration method for oil-in-water analyzer |
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