CN218455654U - Automatic change optics water quality monitoring instrument test system - Google Patents
Automatic change optics water quality monitoring instrument test system Download PDFInfo
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- CN218455654U CN218455654U CN202222592581.5U CN202222592581U CN218455654U CN 218455654 U CN218455654 U CN 218455654U CN 202222592581 U CN202222592581 U CN 202222592581U CN 218455654 U CN218455654 U CN 218455654U
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Abstract
The utility model provides an automatic optical water quality monitoring instrument testing system, which comprises a mixed liquid container, a liquid storage container, an automatic preparation device, a stirring mechanism, a detection mechanism and a second conveying mechanism; at least two liquid storage containers are provided; the automatic preparation device comprises a first conveying mechanism, a second conveying mechanism and a third conveying mechanism, wherein the first conveying mechanism is used for quantitatively conveying the raw material liquid or solid in each liquid storage container to the mixed liquid container for mixing; the detection mechanism comprises a detection container and a water quality sensor, wherein a liquid outlet is formed in the side wall of the detection container, and an electric control valve is arranged on the liquid outlet; the second conveying mechanism is arranged between the mixed liquid container and the detection container. The utility model discloses automatic change optics water quality monitoring instrument test system, compact structure, detection precision and degree of automation are high, have reduced personnel's work load, and application scope is wide.
Description
Technical Field
The utility model relates to a water quality monitoring system, in particular to change optics water quality monitoring instrument test system.
Background
A water quality monitoring instrument for a spectrum method is an instrument used for monitoring water environment on line. Based on the principle of spectral absorption, the method can measure multiple water quality indexes such as turbidity, COD (chemical oxygen demand), ammonia nitrogen and the like in water.
During the use of the sensor, the performance of the sensor needs to be tested frequently to determine the excellence of the sensor performance. In the existing testing process, standard solutions with different concentrations (at least 3 different concentration gradients are needed) are generally manually configured, then the sensors are respectively placed in beakers with solutions with different concentrations for testing, and test data are read.
The manual testing method comprises the steps of firstly, manually preparing solutions with different concentrations, then pouring the different solutions into a beaker, and then placing a sensor in the beaker for testing; each time the solution with one concentration is measured, the measuring cavity of the sensor needs to be rinsed by the solution with the next concentration so as to reduce the measuring error, and the circulation is repeated until the measurement is completed; after the last concentration is measured, distilled water is needed to be used for rinsing the measuring cavity of the sensor again, the measuring steps are very complicated, and the labor cost is increased.
SUMMERY OF THE UTILITY MODEL
【1】 Technical problem to be solved
The to-be-solved technical problem of the utility model is to provide an automatic optics water quality monitoring instrument test system that the artificial work load is little, can realize automated inspection.
【2】 Means for solving the problems
The utility model provides an automatic change optics water quality monitoring instrument test system, include:
a mixed solution container 5 for containing a mixed solution;
the liquid storage containers 2 are at least two and are used for containing liquid or solid of different raw materials;
the automatic preparation device comprises a first conveying mechanism arranged between each liquid storage container 2 and the mixed liquid container 5, wherein the first conveying mechanism is used for quantitatively conveying the raw material liquid or solid in each liquid storage container 2 into the mixed liquid container 5 for mixing to form a mixed solution;
a stirring mechanism 6 for stirring the mixed solution in the mixed solution container 5;
the detection mechanism 8 comprises a detection container and a water quality sensor arranged in the detection container, wherein a liquid outlet is formed in the side wall of the detection container, and an electric control valve is arranged on the liquid outlet;
and the second conveying mechanism is arranged between the mixed liquid container 5 and the detection container and is used for conveying the mixed solution in the mixed liquid container 5 into the detection container for detection.
Further, the first conveying mechanism comprises a first metering pump 3, an inlet end of the first metering pump 3 is connected with the liquid storage container 2, and the mixed liquid container 5 is located at an outlet end of the first metering pump 3.
Further, the second conveying mechanism comprises a liquid conveying pipe arranged between the mixed liquid container 5 and the detection container, and a pump 7 is arranged on the liquid conveying pipe.
Further, the pump 7 is a metering pump.
Further, the stirring mechanism 6 is a magnetic stirrer, the mixed liquid container 5 is placed on the magnetic stirrer, and a stirrer with magnetic force is arranged in the mixed liquid container 5.
Further, the upper end of the mixed liquid container 5 is open, and the discharge end of the first conveying mechanism is located right above the mixed liquid container 5.
Further, still include body mount 4, the output of first measuring pump 3 is equipped with first output tube 31, the tip of first output tube 31 is fixed on body mount 4, and make the exit end of first output tube 31 towards mix the open end of liquid container 5.
Further, the device also comprises a cleaning liquid container, wherein a first conveying mechanism is arranged between the cleaning liquid container and the mixed liquid container 5 and is used for conveying the cleaning liquid in the cleaning liquid container to the mixed liquid container 5 and/or the detection container and cleaning the container.
Further, still include the fixed bolster 1 of frame shape, stock solution container 2, automatic preparation device reaches the detection container is fixed on fixed bolster 1, be equipped with the operation platform who is used for placing rabbling mechanism and mixed liquid container 5 on the fixed bolster 1.
【3】 Advantageous effects
The automatic optical water quality monitoring instrument testing system is provided with a container corresponding to a metering pump, can automatically realize accurate liquid feeding according to requirements, has high precision and automation degree, can increase and decrease the containers according to requirements, and has wide application range; the magnetic stirrer is arranged and matched with a heating temperature control system, so that the temperature of a sample can be heated and controlled according to specific experimental requirements, the temperature condition required by the experimental condition is maintained, the liquid is ensured to be mixed to meet the experimental requirement, reactants are uniformly mixed, the temperature is uniform, the reaction speed or the evaporation speed is increased, and the time is shortened; the sampling detection device is arranged, so that automatic sampling can be realized, and the solution can be automatically detected and discharged, thereby greatly improving the working efficiency, reducing the workload and having high automation degree; meanwhile, a cleaning mechanism is arranged, so that the pipeline and the container can be quickly cleaned, the interference is reduced, and the detection precision is improved; the frame type structural design has small volume and compact structure, and is convenient for carrying and conveying; the utility model discloses automatic change optics water quality monitoring instrument test system, compact structure, detection precision and degree of automation are high, have reduced personnel's work load, and application scope is wide.
Drawings
FIG. 1 is a schematic structural view of the testing system of the automatic optical water quality monitoring instrument of the present invention;
FIG. 2 is a schematic diagram of the connection of the components of the testing system of the automatic optical water quality monitoring instrument of the present invention;
FIG. 3 is a schematic structural view of a tube fixing frame of the testing system of the automatic optical water quality monitoring instrument of the present invention;
FIG. 4 is a schematic structural diagram of the detection mechanism of the test system of the automatic optical water quality monitoring instrument of the present invention;
fig. 5 is a block diagram of the testing system of the automatic optical water quality monitoring instrument of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model provides an automatic change optics water quality monitoring instrument test system, including mixing liquid container 5, stock solution container 2, automatic preparation device, rabbling mechanism, detection mechanism and second conveying mechanism.
The mixed solution container 5 is used for containing the mixed solution; the number of the liquid storage containers 2 is at least two, and the liquid storage containers are used for containing liquid or solid of different raw materials; the automatic preparation device comprises first conveying mechanisms with the same number as that of the liquid storage containers 2, wherein the first conveying mechanisms are arranged in the liquid storage containers 2 and the mixed liquid container 5 and are used for quantitatively conveying raw material liquid or solid in the liquid storage containers 2 (variable according to setting) into the mixed liquid container 5 for mixing to form mixed solution; the stirring mechanism is used for stirring the mixed solution in the mixed solution container 5, so that the mixed solution in the mixed solution container is fully mixed, and the uniformity is improved; the detection mechanism 8 comprises a detection container (groove) 82, an (optical) water quality sensor 81 is arranged in the detection container, a liquid outlet (pipe) 83 and a liquid inlet pipe 84 are arranged on the side wall of the detection container, an electric control (switch) valve is arranged on the liquid outlet (pipe) 83, automatic opening or closing can be realized, and automatic liquid drainage of a mixed solution in the detection container is realized; the second conveying mechanism is arranged between the mixed liquid container 5 and the detection container and is used for conveying the mixed solution in the mixed liquid container 5 into the detection container so as to carry out water quality detection.
In this application, this system still includes a fixed bolster 1 of frame shape, refers to fig. 1, and stock solution container 2, automatic preparation device and detection container are fixed on fixed bolster 1, and simultaneously, be equipped with operation platform on fixed bolster 1, this operation platform is used for placing rabbling mechanism and mixed liquid container, and it forms a whole, is convenient for transport and transportation.
In the embodiment, the plurality of liquid storage containers 2 are fixed at the top of the fixing support 1, so that the overall compactness is improved, and meanwhile, raw materials can be conveniently added to the liquid storage containers 2; the first conveying mechanism comprises first metering pumps 3, each first metering pump 3 is arranged at the lower end of each liquid storage container 2, the first metering pumps correspond to the liquid storage containers one by one, the display operation ends of the first metering pumps are arranged forwards, the operation is convenient, the inlet ends of the first metering pumps 3 are connected with the liquid storage containers 2 through first input pipes 21, and the mixed liquid containers 5 are positioned at the outlet ends of the first metering pumps 3; in order to improve the working stability and realize the quick movement, placement or replacement of the mixed liquid container 5, in the embodiment, the stirring mechanism 6 is a magnetic stirrer, the mixed liquid container 5 is placed on the magnetic stirrer, meanwhile, a stirrer with magnetic force is arranged in the mixed liquid container 5, the stirrer has magnetic force and is attracted and rotated with a magnetic rotor in the magnetic stirrer to realize stirring; the mixed liquid container 5 is directly placed at the upper end of the magnetic stirrer, so that the operation is convenient; the upper end of the mixed liquid container 5 is open, and the discharge end of the first conveying mechanism is positioned right above the mixed liquid container 5; meanwhile, a pipe body fixing frame 4 is further arranged on the fixing support 1, a first output pipe 31 is arranged at the output end of the first metering pump 3, the end part of the first output pipe 31 is fixed on the pipe body fixing frame 4, and the outlet end of the first output pipe 31 faces the open end of the mixed liquid container 5, namely the end part of the first output pipe 31 is vertical; the second conveying mechanism includes a liquid conveying pipe arranged between the mixed liquid container 5 and the detection container, a pump 7 is arranged on the liquid conveying pipe, in this embodiment, the pump 7 is a metering pump, and the output end of the pump is connected with the liquid inlet pipe 84 for conveying and detecting the mixed solution.
In order to facilitate cleaning of the mixed liquid container 5 and the detection container, the detection device further comprises a cleaning liquid container, wherein a first conveying mechanism is arranged between the cleaning liquid container and the mixed liquid container 5 and used for conveying the cleaning liquid in the cleaning liquid container to the mixed liquid container 5 or the detection container, so that the mixed liquid container 5 and the detection container are cleaned, and the detection precision is improved; the cleaning liquid container may be replaced by a liquid storage container 2, i.e. one of the liquid storage containers (including the first delivery mechanism corresponding thereto) may serve as a cleaning liquid container for placing a cleaning liquid, such as distilled water or the like.
In order to facilitate connection and reduce the overall weight, each connecting pipe body is a flexible pipe.
The present application is illustrated below with reference to specific examples:
the four liquid storage containers 2 are respectively used for containing distilled water, high-concentration turbidity stock solution, high-concentration COD stock solution and high-concentration ammonia nitrogen stock solution, the four liquid storage containers 2 are respectively connected with four metering pumps through four guide pipes (first input pipes 21), the four metering pumps can respectively quantitatively extract the liquid in the four liquid storage containers, and further guide the liquid into a mixed liquid container 5 through the other four guide pipes (first output pipes 31); the mixed liquid container 5 is arranged above the magnetic stirrer, and the magnetic stirrer can uniformly mix different liquids in the mixed liquid container; the mixed liquid container is connected with another metering pump through a conduit (liquid inlet pipe 84) at the lower end of the mixed liquid container, the mixed liquid in the mixed liquid container 5 is pumped into the detection container (tank) 82 by the metering pump, and the detection container (tank) 82 is hermetically connected with the sensor, so that when the sensor is filled with water, the sensor is immersed in the liquid to be detected in the detection container (tank) 82.
The workflow of the present system is explained below:
1. distilled water, high-concentration turbidity stock solution, high-concentration COD stock solution and high-concentration ammonia nitrogen stock solution are added into four stock solution containers 2.
2. By inputting the test requirements (hereinafter, taking 5 COD standard liquids with different concentrations as an example), the system calculates the COD configuration requirement (i.e. how much distilled water is mixed with how much COD stock solution) of each concentration.
3. The system is firstly configured with the COD test solution with the lowest concentration, automatically controls the operation of a metering pump connected with distilled water and a metering pump connected with a high-concentration COD stock solution, and respectively extracts a certain amount of distilled water and the high-concentration COD stock solution into a mixed solution container 5.
4. And (4) operating the magnetic stirrer to fully and uniformly mix the distilled water and the high-concentration COD stock solution, and then stopping stirring by the magnetic stirrer.
5. The metering pump connected with the detection container pumps the mixed solution in the mixed solution container 5, so that the COD solution with the concentration flows through the detection container, and the electronic valve connected with the lower end of the measurement cavity of the sensor is opened. This step is performed by first rinsing the test container (measurement chamber) and simultaneously evacuating the measurement chamber of residual air (which, if formed as bubbles at a later stage, could have an effect on the subsequent test).
6. And closing an electronic valve connected with the lower end of the detection container (measurement cavity), and continuously pumping a certain amount (which can be set in advance) of the COD solution into the measurement cavity by a metering pump connected with the detection container until the metering pump stops working after the liquid is slowly injected into the detection container.
7. The sensor begins automatic testing and saves data.
8. After the sensor measurement is completed, the valve at the lower end of the detection container is opened and the liquid is discharged.
9. And repeating the circulation for 2 to 8 steps until all concentrations of COD are tested.
10. And after the test is finished, cleaning the mixed liquid cavity, the detection container and the pipeline by a metering pump connected with the distiller.
The automatic optical water quality monitoring instrument testing system is provided with a container corresponding to a metering pump, can automatically realize accurate liquid feeding according to requirements, has high precision and automation degree, can increase and decrease the containers according to requirements, and has wide application range; the magnetic stirrer is arranged and matched with a heating temperature control system, so that the temperature of a sample can be heated and controlled according to specific experimental requirements, the temperature condition required by the experimental condition is maintained, the liquid is ensured to be mixed to meet the experimental requirement, reactants are uniformly mixed, the temperature is uniform, the reaction speed or the evaporation speed is increased, and the time is shortened; the sampling detection device is arranged, so that automatic sampling can be realized, and the solution can be automatically detected and discharged, thereby greatly improving the working efficiency, reducing the workload and having high automation degree; meanwhile, the cleaning mechanism is arranged, so that the pipeline and the container can be quickly cleaned, the interference is reduced, and the detection precision is improved; the frame type structural design has small volume and compact structure, and is convenient to carry and convey; the utility model discloses automatic change optics water quality monitoring instrument test system, compact structure, detection precision and degree of automation are high, have reduced personnel's work load, and application scope is wide.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An automatic change optics water quality monitoring instrument test system which characterized in that includes:
the mixed solution container is used for containing the mixed solution;
the liquid storage containers are at least two and are used for containing liquid or solid of different raw materials;
the automatic preparation device comprises first conveying mechanisms arranged between the liquid storage containers and the mixed liquid containers, wherein the first conveying mechanisms are used for quantitatively conveying the raw material liquid or solid in the liquid storage containers into the mixed liquid containers for mixing to form mixed solution;
the stirring mechanism is used for stirring the mixed solution in the mixed solution container;
the detection mechanism comprises a detection container and a water quality sensor arranged in the detection container, wherein a liquid discharge port is formed in the side wall of the detection container, and an electric control valve is arranged on the liquid discharge port;
and the second conveying mechanism is arranged between the mixed liquid container and the detection container and is used for conveying the mixed solution in the mixed liquid container into the detection container for detection.
2. The automated optical water quality monitoring instrument test system of claim 1, wherein: the first conveying mechanism comprises a first metering pump, the inlet end of the first metering pump is connected with the liquid storage container, and the mixed liquid container is located at the outlet end of the first metering pump.
3. The automated optical water quality monitoring instrument test system of claim 1, wherein: the second conveying mechanism comprises an infusion tube arranged between the mixed liquid container and the detection container, and a pump is arranged on the infusion tube.
4. The automated optical water quality monitoring instrument test system of claim 3, wherein: the pump is a metering pump.
5. The automated optical water quality monitoring instrument test system of claim 1, wherein: the stirring mechanism is a magnetic stirrer, the mixed liquid container is placed on the magnetic stirrer, and a stirrer with magnetic force is arranged in the mixed liquid container.
6. The automated optical water quality monitoring instrument test system of claim 1, wherein: the upper end of the mixed liquid container is open, and the discharge end of the first conveying mechanism is positioned right above the mixed liquid container.
7. The automated optical water quality monitoring instrument test system of claim 2, wherein: the liquid mixing device is characterized by further comprising a pipe body fixing frame, wherein a first output pipe is arranged at the output end of the first metering pump, and the end portion of the first output pipe is fixed on the pipe body fixing frame and enables the outlet end of the first output pipe to face the open end of the liquid mixing container.
8. The automated optical water quality monitoring instrument test system of claim 1, wherein: the cleaning liquid container is characterized by further comprising a cleaning liquid container, wherein a first conveying mechanism is arranged between the cleaning liquid container and the mixed liquid container and used for conveying the cleaning liquid in the cleaning liquid container to the mixed liquid container and/or the detection container and cleaning the containers.
9. The automated optical water quality monitoring instrument test system of claim 1, wherein: the automatic liquid storage device is characterized by further comprising a frame-shaped fixing support, the liquid storage container, the automatic preparation device and the detection container are fixed on the fixing support, and an operation platform used for placing the stirring mechanism and the mixed liquid container is arranged on the fixing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592581.5U CN218455654U (en) | 2022-09-29 | 2022-09-29 | Automatic change optics water quality monitoring instrument test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592581.5U CN218455654U (en) | 2022-09-29 | 2022-09-29 | Automatic change optics water quality monitoring instrument test system |
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| CN218455654U true CN218455654U (en) | 2023-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222592581.5U Active CN218455654U (en) | 2022-09-29 | 2022-09-29 | Automatic change optics water quality monitoring instrument test system |
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- 2022-09-29 CN CN202222592581.5U patent/CN218455654U/en active Active
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