CN211553973U - Standard liquid checking quality control instrument - Google Patents
Standard liquid checking quality control instrument Download PDFInfo
- Publication number
- CN211553973U CN211553973U CN202020202776.2U CN202020202776U CN211553973U CN 211553973 U CN211553973 U CN 211553973U CN 202020202776 U CN202020202776 U CN 202020202776U CN 211553973 U CN211553973 U CN 211553973U
- Authority
- CN
- China
- Prior art keywords
- water
- sample
- pipeline
- standard
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a quality control appearance is examined to standard liquid relates to water quality testing analysis technical field, including control panel, the sample water pipeline that awaits measuring, standard sample water pipeline and switching valves. The control board is configured to be capable of being connected with a connecting serial port of the water quality detection and analysis instrument so that the control board can collect and send water quality detection data information obtained by analysis of the water quality detection and analysis instrument; the sample water pipeline to be detected and the standard sample water pipeline are both connected to the switching valve group, the switching valve group is connected with the control panel circuit, and the control panel is further configured to control the switching valve group to select one of the sample water pipeline to be detected and the standard sample water pipeline to be connected with a sample inlet of the water quality detection and analysis instrument. The utility model discloses having alleviated at least among the prior art and carrying out standard sample quality control during operation to water quality testing analytical instrument, need to detach the introduction port water receiving pipeline of water quality testing analytical instrument and detect it behind the sample water pipeline, later drop into operation again, the inconvenient technical problem of operation of existence.
Description
Technical Field
The utility model belongs to the technical field of water quality testing analysis technique and specifically relates to a quality control appearance is examined to mark liquid.
Background
In the technical field of water quality detection and analysis, in order to ensure the long-term effectiveness of water quality monitoring data, a water quality detection and analysis instrument needs to be calibrated regularly, but whether the measured data of the calibrated water quality detection and analysis instrument is accurate can be obtained only by performing standard sample quality control on the water quality detection and analysis instrument.
At present, when a water quality detection and analysis instrument is subjected to standard sample quality control, a sample inlet water receiving pipeline of the water quality detection and analysis instrument needs to be detached from a sample water pipeline and then is detected, and then the water quality detection and analysis instrument is put into use again, so that the technical problem of inconvenient operation exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a standard liquid is examined and is controlled appearance to alleviate among the prior art and carrying out standard sample quality control during operation to water quality testing analytical instrument, need to detach the introduction port water receiving pipeline of water quality testing analytical instrument and detect it behind the sample water pipeline, later drop into operation again, the inconvenient technical problem of operation of existence.
In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:
the embodiment of the utility model provides a standard liquid checking quality control instrument, which comprises a control panel, a sample water pipeline to be tested, a standard sample water pipeline and a switching valve group;
the control panel is configured to be capable of being connected with a connecting serial port of a water quality detection and analysis instrument so that the control panel collects and sends water quality detection data information obtained by analysis of the water quality detection and analysis instrument;
the sample water pipeline to be tested and the standard sample water pipeline are connected with the switching valve group, the switching valve group is connected with the control panel circuit, and the control panel is further configured to control the switching valve group to select one of the sample water pipeline to be tested and the standard sample water pipeline to be connected with the sample inlet of the water quality detection and analysis instrument.
In an optional embodiment, the switching valve group comprises a standard sample valve, a sample water standard liquid switching three-way valve, a sample introduction emptying switching three-way valve and an emptying pump;
the water inlet end of the to-be-tested sample water pipeline is used for accessing sample water to be tested, and the water inlet end of the standard sample water pipeline is used for accessing standard sample water;
the standard sample valve is arranged on the standard sample water pipeline;
the common end of the sample water standard liquid switching three-way valve is connected with the common end of the sample emptying switching three-way valve, the normally open end of the sample water standard liquid switching three-way valve is connected with the water outlet end of the sample water pipeline to be detected, and the normally closed end of the sample water standard liquid switching three-way valve is connected with the water outlet end of the standard sample water pipeline;
the normally closed end of the sample injection emptying switching three-way valve is connected with the emptying pump, and the normally open end of the sample injection emptying switching three-way valve is configured to be connected with a sample injection port of the water quality detection and analysis instrument;
the standard sample valve, the sample water standard liquid switching three-way valve and the sample introduction emptying switching three-way valve are all connected with the control panel.
In an optional embodiment, the standard solution checking quality control instrument further comprises a standard sample water supply tank, and the standard sample water supply tank is connected with the water inlet end of the standard sample water pipeline.
In an optional embodiment, the standard solution checking quality control instrument further comprises a constant-temperature refrigerating device, and the constant-temperature refrigerating device is configured to refrigerate the standard sample water supply tank under the control of the control board.
In an alternative embodiment, the constant temperature refrigeration device refrigerates the standard sample water supply tank at a temperature of 2 ℃ to 6 ℃.
In an optional embodiment, the standard solution checking and quality control instrument further comprises a cleaning pipeline, a water inlet end of the cleaning pipeline is used for accessing distilled water, a water outlet end of the cleaning pipeline is connected with a normally closed end of the sample standard solution switching three-way valve, and a cleaning valve is arranged on the cleaning pipeline.
In an optional embodiment, the standard solution checking and quality controlling instrument further comprises an evacuation pipeline, an inlet end of the evacuation pipeline is connected with air, an outlet end of the evacuation pipeline is connected with a normally closed end of the sample water standard solution switching three-way valve, and an evacuation valve is arranged on the evacuation pipeline.
In an alternative embodiment, the standard sample water line comprises a zero standard sample line.
In an alternative embodiment, the standard sample water line comprises a span standard sample line.
In an optional embodiment, the standard solution examination and quality control instrument further comprises a display screen, and the control panel is further configured to send the collected water quality detection data information analyzed by the water quality detection and analysis instrument to the display screen for displaying.
The embodiment of the utility model provides a can realize following beneficial effect:
the embodiment of the utility model provides a standard liquid checks matter accuse appearance, including the control panel, the sample water pipeline that awaits measuring, standard sample water pipeline and switching valves. The control board is configured to be capable of being connected with a connecting serial port of the water quality detection and analysis instrument so that the control board can collect and send water quality detection data information obtained by analysis of the water quality detection and analysis instrument; the sample water pipeline to be detected and the standard sample water pipeline are both connected to the switching valve group, the switching valve group is connected with the control panel circuit, and the control panel is further configured to control the switching valve group to select one of the sample water pipeline to be detected and the standard sample water pipeline to be connected with a sample inlet of the water quality detection and analysis instrument.
When the standard liquid checking quality control instrument provided by the embodiment of the utility model is used, the control panel is connected with the connection serial port of the water quality detection and analysis instrument, and the water inlet end of the sample water pipeline to be detected and the water outlet end of the standard sample water pipeline are both connected with the sample inlet of the water quality detection and analysis instrument through the switching valve group; under the non-quality control working condition, the control panel controls the switching valve group to connect the sample water pipeline to be detected with the sample inlet of the water quality detection and analysis instrument, the control panel collects water quality detection data information obtained by the analysis of the water quality detection and analysis instrument through the connection serial port of the water quality detection and analysis instrument and sends the information to the information receiving terminal which is electrically connected or in signal connection with the control panel for data display or further analysis, and the process of detecting the water quality by the water quality detection and analysis instrument is not influenced under the condition; under the quality control working condition, the control panel control switching valve set connects a standard sample water pipeline with the sample inlet of the water quality detection analyzer, the control panel collects the water quality detection data information obtained by the analysis of the water quality detection analyzer through the connection serial port of the water quality detection analyzer and sends the information to the information receiving terminal which is electrically connected or in signal connection with the control panel for data display or further analysis so as to obtain the detection data of the standard sample water obtained by the analysis of the water quality detection analyzer, the data is compared according to the quality control measures or given requirements in the 'surface water quality automatic monitoring station operation maintenance requirements', the working state of the water quality detection analyzer can be judged, whether the calibrated water quality detection analyzer measurement data is accurate or not is known, and after the quality control is finished, the switching valve set is restored to the initial state through the control panel, the whole quality control operation process can be completed without dismantling a water quality detection and analysis instrument, and the water quality detection and analysis instrument has the beneficial effect of convenience and quickness in operation.
To sum up, the embodiment of the utility model provides an at least alleviated among the prior art and carried out standard sample matter accuse during operation to water quality testing analytical instrument, need detach water receiving pipeline of sample water pipeline of water quality testing analytical instrument and detect it after, later drop into use again, the inconvenient technical problem of operation of existence.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of the overall structure of the standard solution checking and quality control instrument provided by the embodiment of the utility model.
Icon: 100-connecting a serial port; 200-sample inlet; 1-a control panel; 2-sample water pipeline to be tested; 3-standard sample water pipeline; 31-a standard sample valve; 4-sample water standard liquid switching three-way valve; 5-sample introduction emptying switching three-way valve; 6-evacuation pump; 7-standard sample water supply tank; 8-constant temperature refrigerating plant; 9-cleaning the pipeline; 91-cleaning the valve; 10-evacuation line; 101-an evacuation valve; 11-a display screen; 12-liquid detection proximity switch; 13-power supply.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
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 invention, it should be noted that the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly and may, for example, be 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 invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The embodiment provides a standard solution checking and quality control instrument, referring to fig. 1, the standard solution checking and quality control instrument includes a control panel 1, a sample water pipeline 2 to be tested, a standard sample water pipeline 3 and a switching valve group.
The control panel 1 is configured to be capable of being connected with a connection serial port 100 of a water quality detection and analysis instrument, so that the control panel 1 collects and sends water quality detection data information obtained by analysis of the water quality detection and analysis instrument; the sample water pipeline 2 to be tested and the standard sample water pipeline 3 are both connected to the switching valve group, the switching valve group is in circuit connection with the control panel 1, and the control panel 1 is further configured to control the switching valve group to select one of the sample water pipeline 2 to be tested and the standard sample water pipeline 3 to be tested to be connected with the sample inlet 200 of the water quality detection and analysis instrument.
As shown in fig. 1, when the standard solution examination and quality control instrument provided in this embodiment is used, the control board 1 is connected to the connection serial port 100 of the water quality detection and analysis instrument, and both the water inlet end of the to-be-detected sample water pipeline 2 and the water outlet end of the standard sample water pipeline 3 are connected to the sample inlet 200 of the water quality detection and analysis instrument through the switching valve set; under the non-quality control working condition, the control panel 1 controls the switching valve group to connect the sample water pipeline 2 to be detected with the sample inlet 200 of the water quality detection analyzer, the control panel 1 collects water quality detection data information analyzed by the water quality detection analyzer through the connection serial port 100 of the water quality detection analyzer, and sends the information to an information receiving terminal which is electrically connected or in signal connection with the control panel 1 for data display or further analysis, and the process of detecting the water quality by the water quality detection analyzer is not influenced under the condition; under the quality control working condition, the control panel 1 controls the switching valve group to connect a standard sample water pipeline 3 with a sample inlet 200 of a water quality detection analyzer, the control panel 1 collects water quality detection data information analyzed by the water quality detection analyzer through a connecting serial port 100 of the water quality detection analyzer and sends the information to an information receiving terminal which is electrically connected or in signal connection with the control panel 1 for data display or further analysis so as to obtain the detection data of the standard sample water analyzed by the water quality detection analyzer, the data is compared according to the quality control measures in the requirement of operation and maintenance of an automatic surface water quality monitoring station or the given requirement, the working state of the water quality detection analyzer can be judged, whether the measured data of the calibrated water quality detection analyzer is accurate or not is known, and after the quality control is finished, the switching valve group is restored to the initial state through the control panel 1, the whole quality control operation process can be completed without dismantling a water quality detection and analysis instrument, and the water quality detection and analysis instrument has the beneficial effect of convenience and quickness in operation.
To sum up, this embodiment has alleviated at least among the prior art when carrying out standard sample quality control work to water quality testing analytical instrument, needs to detect it after separating sample water pipeline with water quality testing analytical instrument's introduction port water receiving pipeline, later comes into operation again, the inconvenient technical problem of operation that exists.
With reference to fig. 1, in this embodiment, optionally, the standard solution examination and quality control instrument further includes a display screen 11, and the control panel 1 is further configured to send the collected water quality detection data information analyzed by the water quality detection and analysis instrument to the display screen 11 for displaying. Preferably, the control panel 1 comprises a data input unit, a data storage unit, a data acquisition unit and a data comparison processing unit; the display screen 11 is a touch screen, or a key is arranged on the display screen 11, and a user can input preset information to the data input unit through the display screen 11; the data input unit can send preset information to the data storage unit to store the preset information; the data acquisition unit is used for acquiring water quality detection data information and sending the water quality detection data to the data comparison processing unit; the data comparison processing unit can be used for dispatching the preset information stored in the data storage unit, comparing and analyzing the water quality detection data information and the preset information, and then sending the data obtained by analysis to the display screen 11 for display. With continued reference to fig. 1, the standard solution examination and quality control instrument further comprises a power supply 13, wherein the power supply 13 can be integrated with the control panel 1 or can be separately arranged, so that the power supply 13 supplies power to the control panel 1 and a circuit connected with the control panel 1.
On the basis of any optional implementation manner of this embodiment, the specific structural composition of the switching valve group has a variety, and with reference to fig. 1, it is preferable that the switching valve group includes a standard sample valve 31, a sample water standard liquid switching three-way valve 4, a sample introduction emptying switching three-way valve 5, and an emptying pump 6. The water inlet end of the sample water pipeline 2 to be tested is used for accessing sample water to be tested, and the water inlet end of the standard sample water pipeline 3 is used for accessing standard sample water. The standard sample valve 31 is arranged on the standard sample water pipeline 3; the common end of the sample water standard liquid switching three-way valve 4 is connected with the common end of the sample introduction emptying switching three-way valve 5, the normally open end of the sample water standard liquid switching three-way valve 4 is connected with the water outlet end of the sample water pipeline 2 to be tested, and the normally closed end of the sample water standard liquid switching three-way valve 4 is connected with the water outlet end of the standard sample water pipeline 3; the normally closed end of the sample injection and evacuation switching three-way valve 5 is connected with the evacuation pump 6, and the normally open end of the sample injection and evacuation switching three-way valve 5 is configured to be capable of being connected with the sample inlet 200 of the water quality detection and analysis instrument. The standard sample valve 31, the sample water standard liquid switching three-way valve 4 and the sample emptying switching three-way valve 5 are all connected with the control panel 1.
The emptying pump 6 can be connected with the control panel 1, the emptying pump 6 is controlled to start and stop through the control panel 1, or a PLC (programmable logic controller) with a programming program is independently arranged on the emptying pump 6 for use, and the like; the evacuation pump 6 is used to provide power for the sample water flowing from the pipeline into the sample inlet 200 of the water quality detection and analysis instrument. More specifically, the above structure provides the following operation modes of the switching valve group: under the non-quality control working condition, sample water to be detected flows through the normally open end of the sample water standard liquid switching three-way valve 4, the common end of the sample introduction emptying switching three-way valve 5 and the normally open end of the sample introduction emptying switching three-way valve 5 from the sample water pipeline 2 to be detected and enters the sample introduction port 200 of the water quality detection and analysis instrument; under the quality control working condition, in the first step, the control panel 1 controls the normally open end of the sample water mark liquid switching three-way valve 4 to be closed, the normally closed end of the sample water mark liquid switching three-way valve 4 to be opened, the normally open end of the sample injection emptying switching three-way valve 5 to be closed, the normally closed end of the sample injection emptying switching three-way valve 5 to be opened and the standard sample valve 31 to be opened; secondly, opening the emptying pump 6, and sucking the standard sample water by the emptying pump 6 through the standard sample valve 31, the sample water standard liquid switching three-way valve 4 and the sample introduction emptying switching three-way valve 5 in sequence and discharging the standard sample water from the water outlet end part of the emptying pump 6 to clean and rinse the pipeline; and thirdly, closing the emptying pump 6, controlling the normally closed end of the sample injection emptying switching three-way valve 5 to be closed and the normally open end of the sample injection emptying switching three-way valve 5 to be opened through the control panel 1, and enabling the standard sample water to enter the sample inlet 200 of the water quality detection and analysis instrument through the standard sample valve 31, the sample water standard liquid switching three-way valve 4 and the sample injection emptying switching three-way valve 5 in sequence.
Preferably, as shown in fig. 1, a liquid detection proximity switch 12 may be further disposed on a pipeline connecting the sample water standard liquid switching three-way valve 4 and the sample introduction emptying switching three-way valve 5, so as to detect the working state of the flow path liquid.
On the basis of the above optional embodiment, further optionally, the standard solution checking quality control instrument further includes a standard sample water supply tank 7, and the standard sample water supply tank 7 is connected to the water inlet end of the standard sample water pipeline 3, so that the standard sample water can be stored in the standard sample water supply tank 7 to continuously supply the standard sample water in the standard sample water pipeline 3. Of course, instead of providing the standard sample water supply tank 7, the water inlet end of each standard sample water pipeline 3 may be connected to a standard water sample supply vessel provided separately, so as to implement the standard water sample supply function.
On the basis of the above further optional embodiment, further optionally, the standard solution checking quality control instrument further comprises a constant temperature refrigeration device 8, and the constant temperature refrigeration device 8 is configured to refrigerate the standard sample water supply tank 7 under the control of the control board 1. Preferably, the temperature at which the constant temperature refrigerating device 8 refrigerates the standard sample water supply tank 7 is 2 ℃ to 6 ℃, for example, but not limited to, the temperature at which the constant temperature refrigerating device 8 refrigerates the standard sample water supply tank 7 is 2 ℃ or 4 ℃ or 6 ℃ or any temperature between 2 ℃ and 6 ℃, thereby providing refrigerating conditions for the standard sample water and avoiding the standard sample water from deteriorating. The refrigeration principle of the constant temperature refrigeration device 8 can be manufactured by referring to the air conditioning principle.
In addition, in an optional embodiment in which the above switching valve group includes the standard sample valve 31, the sample water standard solution switching three-way valve 4, the sample injection emptying switching three-way valve 5, and the emptying pump 6, preferably, the standard solution checking quality control instrument further includes a cleaning pipeline 9, a water inlet end of the cleaning pipeline 9 is used for accessing distilled water, a water outlet end of the cleaning pipeline 9 is connected with a normally closed end of the sample water standard solution switching three-way valve 4, and the cleaning pipeline 9 is provided with a cleaning valve 91; preferably, the purge valve 91 is connected to the control panel 1 and is controlled to open and close by the control panel 1.
In addition, in an optional embodiment in which the above switching valve group includes the standard sample valve 31, the sample water standard liquid switching three-way valve 4, the sample injection emptying switching three-way valve 5, and the emptying pump 6, preferably, the standard liquid checking quality control instrument further includes an emptying pipeline 10, an inlet end of the emptying pipeline 10 is connected with air, an outlet end of the emptying pipeline 10 is connected with a normally closed end of the sample water standard liquid switching three-way valve 4, and an emptying valve 101 is arranged on the emptying pipeline 10; preferably, the evacuation valve 101 is connected to the control board 1 and is controlled to open and close by the control board 1.
Through the structures of the two preferred embodiments, before the standard sample water is introduced into the sample inlet 200 of the water quality detection and analysis instrument, the sample water conveying pipeline is cleaned and emptied, so that the accuracy of the detection result is improved. Taking as an example an alternative embodiment in which the switching valve group comprises both the above-mentioned purge line 9 and the evacuation line 10:
specifically, the above structure provides the following operation modes of the switching valve group: under the non-quality control working condition, sample water to be detected flows through the normally open end of the sample water standard liquid switching three-way valve 4, the common end of the sample introduction emptying switching three-way valve 5 and the normally open end of the sample introduction emptying switching three-way valve 5 from the sample water pipeline 2 to be detected and enters the sample introduction port 200 of the water quality detection and analysis instrument; under the quality control working condition, in the first step, the control panel 1 controls the normally open end of the sample water mark liquid switching three-way valve 4 to be closed, the normally closed end of the sample water mark liquid switching three-way valve 4 to be opened, the normally open end of the sample injection emptying switching three-way valve 5 to be closed, the normally closed end of the sample injection emptying switching three-way valve 5 to be opened and the cleaning valve 91 to be opened; secondly, opening an emptying pump 6, and discharging distilled water which sequentially passes through a cleaning valve 91, a sample water standard liquid switching three-way valve 4 and a sample introduction emptying switching three-way valve 5 from the water outlet end part of the emptying pump 6 by being sucked by the emptying pump 6 so as to clean a pipeline; thirdly, the cleaning valve 91 is closed and the emptying valve 101 is opened through the control panel 1, and air is sucked by the emptying pump 6 to be discharged from the water outlet end part of the emptying pump 6 through the emptying valve 101, the sample water standard liquid switching three-way valve 4 and the sample introduction emptying switching three-way valve 5 in sequence so as to clear accumulated water in the pipeline; fourthly, the emptying valve 101 is closed and the standard sample valve 31 is opened through the control panel 1, and standard sample water passes through the standard sample valve 31, the sample water standard liquid switching three-way valve 4 and the sample introduction emptying switching three-way valve 5 in sequence and is sucked by the emptying pump 6 and discharged from the water outlet end part of the emptying pump 6 so as to rinse the pipeline; and step five, closing the emptying pump 6, controlling the normally closed end of the sample injection emptying switching three-way valve 5 to be closed, controlling the normally open end of the sample injection emptying switching three-way valve 5 to be opened through the control panel 1, simultaneously closing the emptying valve 101, and enabling the standard sample water to enter the sample inlet 200 of the water quality detection and analysis instrument through the standard sample valve 31, the sample water standard liquid switching three-way valve 4 and the sample injection emptying switching three-way valve 5 in sequence.
In addition, according to the "notification about further making the national surface water examination section acquisition and measurement separation and the construction work of the water quality automatic station" (loop monitoring [ 2018 ] 14) document requirement, "the integrated system should highly integrate each unit module of the water quality automatic station, including a water acquisition unit, a water distribution unit, an analysis unit, an automatic sample retention unit, a quality control unit, a waste liquid unit and a control unit," the items of the quality control unit that need quality control for the water quality detection and analysis instrument include zero point check, 24-hour zero point drift, span check, 24-hour span drift, multi-point linear check, and the like, in some optional embodiments of this embodiment, the standard sample water pipeline 3 includes a zero point standard sample pipeline; in some alternative embodiments of this embodiment, the standard sample water circuit 3 comprises a span standard sample circuit; therefore, quality control operation and maintenance personnel can perform quality control work of items such as zero point check, 24-hour zero point drift, span check, 24-hour span drift, multipoint linear check and the like on the water quality detection and analysis instrument through the standard solution checking and quality control instrument, and judge the working state of the water quality detection and analysis instrument and the validity of water quality monitoring data. The zero check means that the measurement reliability of the instrument is judged according to the indicating value error of zero liquid or low-range standard liquid of the instrument; span check means that the concentration range of a standard solution of a daily quality control measure is arranged in the range of the water quality category of a section as much as possible, standard points of an instrument working curve 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 instrument working curve in the range is reduced, and the reliability of water sample measurement of the instrument in the range is improved; the 24-hour zero drift and the 24-hour span drift are used for judging the long-term stability of the instrument, the multi-point linear check can be performed through linear fitting of the measured values and the analysis values of various standard sample water, whether the linearity of the multi-point linear check meets the requirement that the linearity of the multi-point linear check is larger than or equal to 0.98 or not is calculated, the analysis errors of the various standard sample water are calculated, the uncertainty of the working curve of the analyzer in the span range is checked, and the reliability of the analysis data in the span range is judged.
In some optional embodiments of this embodiment, the standard sample water pipeline 3 may further include a plurality of pipelines, and each pipeline is provided with a corresponding standard sample valve 31, so that the valve pipelines can be switched to provide standard samples with different concentrations to the water quality detection and analysis instrument, collect analysis data, and perform calculation and analysis.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A standard liquid checking and quality control instrument is characterized by comprising a control panel (1), a sample water pipeline (2) to be tested, a standard sample water pipeline (3) and a switching valve group;
the control panel (1) is configured to be capable of being connected with a connection serial port (100) of a water quality detection and analysis instrument, so that the control panel (1) collects and sends water quality detection data information obtained by analysis of the water quality detection and analysis instrument;
the sample water pipeline (2) to be tested and the standard sample water pipeline (3) are connected with the switching valve group, the switching valve group is connected with the control panel (1) through a circuit, the control panel (1) is further configured to be capable of controlling the switching valve group to select the sample water pipeline (2) to be tested and the standard sample water pipeline (3) to be tested and the sample inlet (200) of the water quality detection and analysis instrument to be connected.
2. The standard solution examination quality control instrument according to claim 1, wherein the switching valve set comprises a standard sample valve (31), a sample water standard solution switching three-way valve (4), a sample introduction emptying switching three-way valve (5) and an emptying pump (6);
the water inlet end of the sample water pipeline (2) to be tested is used for accessing sample water to be tested, and the water inlet end of the standard sample water pipeline (3) is used for accessing standard sample water;
the standard sample valve (31) is arranged on the standard sample water pipeline (3);
the common end of the sample water mark liquid switching three-way valve (4) is connected with the common end of the sample introduction emptying switching three-way valve (5), the normally open end of the sample water mark liquid switching three-way valve (4) is connected with the water outlet end of the sample water pipeline (2) to be tested, and the normally closed end of the sample water mark liquid switching three-way valve (4) is connected with the water outlet end of the standard sample water pipeline (3);
the normally closed end of the sample introduction emptying switching three-way valve (5) is connected with the emptying pump (6), and the normally open end of the sample introduction emptying switching three-way valve (5) is configured to be connected with a sample introduction port (200) of the water quality detection and analysis instrument;
the standard sample valve (31), the sample water standard liquid switching three-way valve (4) and the sample introduction emptying switching three-way valve (5) are connected with the control panel (1).
3. The standard solution inspection quality control instrument according to claim 2, further comprising a standard sample water supply tank (7), wherein the standard sample water supply tank (7) is connected with a water inlet end of the standard sample water pipeline (3).
4. The standard solution inspection and quality control instrument according to claim 3, further comprising a constant temperature refrigeration device (8), wherein the constant temperature refrigeration device (8) is configured to refrigerate the standard sample water supply tank (7) under the control of the control board (1).
5. The standard solution examination and quality control instrument according to claim 4, wherein the temperature of the constant temperature refrigerating device (8) for refrigerating the standard sample water supply tank (7) is 2-6 ℃.
6. The standard solution examination and quality control instrument according to claim 2, further comprising a cleaning pipeline (9), wherein a water inlet end of the cleaning pipeline (9) is used for connecting distilled water, a water outlet end of the cleaning pipeline (9) is connected with a normally closed end of the sample solution standard solution switching three-way valve (4), and a cleaning valve (91) is arranged on the cleaning pipeline (9).
7. The standard solution examination and quality control instrument according to claim 2, further comprising an evacuation pipeline (10), wherein an inlet end of the evacuation pipeline (10) is connected with air, an outlet end of the evacuation pipeline (10) is connected with a normally closed end of the sample water standard solution switching three-way valve (4), and an evacuation valve (101) is arranged on the evacuation pipeline (10).
8. The standard solution inspection quality control instrument according to any one of claims 1 to 7, wherein the standard sample water pipeline (3) comprises a zero-point standard sample pipeline.
9. The standard solution inspection quality control instrument according to any one of claims 1 to 7, wherein the standard sample water pipeline (3) comprises a span standard sample pipeline.
10. The standard solution examination and quality control instrument according to any one of claims 1 to 7, further comprising a display screen (11), wherein the control panel (1) is further configured to transmit the collected water quality detection data information analyzed by the water quality detection and analysis instrument to the display screen (11) for display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202776.2U CN211553973U (en) | 2020-02-24 | 2020-02-24 | Standard liquid checking quality control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020202776.2U CN211553973U (en) | 2020-02-24 | 2020-02-24 | Standard liquid checking quality control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211553973U true CN211553973U (en) | 2020-09-22 |
Family
ID=72494512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020202776.2U Active CN211553973U (en) | 2020-02-24 | 2020-02-24 | Standard liquid checking quality control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211553973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252733A (en) * | 2021-06-18 | 2021-08-13 | 深圳市朗石科学仪器有限公司 | Device and method for automatically checking electrode probe |
| 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
- 2020-02-24 CN CN202020202776.2U patent/CN211553973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252733A (en) * | 2021-06-18 | 2021-08-13 | 深圳市朗石科学仪器有限公司 | Device and method for automatically checking electrode probe |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6904815B2 (en) | Configurable multi-point sampling method and system for representative gas composition measurements in a stratified gas flow stream | |
| CN211553973U (en) | Standard liquid checking quality control instrument | |
| CN105737905B (en) | A kind of poultry house quality of air environment detecting system and its application method | |
| CN202092927U (en) | Automatic kinematic viscosity tester | |
| CN102662048B (en) | Method and device for analyzing urine | |
| CN202120107U (en) | Automatic quality control system for water quality on-line monitoring | |
| CN107356458A (en) | A kind of online air detection sample drying and control system | |
| CN105929032A (en) | On-line monitoring system for non-methane total hydrocarbons | |
| CN103149250A (en) | Online total organic carbon water quality analyzer and online total organic carbon water quality analyzing method | |
| CN101493471A (en) | Water sample on-line monitoring and overproof sample holding apparatus and operation method thereof | |
| CN110274660A (en) | Liquid amount detection method, device and system and household appliance | |
| CN213933820U (en) | Multifunctional water quality monitoring remote quality control instrument | |
| CN107532978A (en) | The apparatus and method of detection pollution position, and computer readable recording medium storing program for performing | |
| CN209417046U (en) | A kind of portable oily Multi-parameter detection device | |
| CN211043350U (en) | Full-automatic verification/calibration device of water quality on-line monitoring instrument | |
| CN112345725A (en) | Multifunctional water quality monitoring remote quality control instrument | |
| EP2739979B1 (en) | Detection of a compromised flow line in a laboratory instrument | |
| CN109765275A (en) | A kind of method, apparatus of outdoor quick online detection crude oil hydrogen sulfide content | |
| CN211740355U (en) | On-line automatic detection device for small-capacity petrochemical equipment | |
| CN209542562U (en) | A kind of portable inspectiont pipe fast detector | |
| CN211505474U (en) | Water quality monitoring's integrative matter accuse appearance of long-range data acquisition station room information | |
| CN201955255U (en) | Inspection device for sampler | |
| CN208383841U (en) | Hydrogen quality analyzer and hydrogen gas cooling system | |
| CN114609019B (en) | Detection method of sample analyzer and sample analyzer | |
| JPS63269061A (en) | Liquid specimen portionwise sampling method of automatic chemical analyser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |