CN210123425U - Water quality analysis system - Google Patents
Water quality analysis system Download PDFInfo
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- CN210123425U CN210123425U CN201821994148.1U CN201821994148U CN210123425U CN 210123425 U CN210123425 U CN 210123425U CN 201821994148 U CN201821994148 U CN 201821994148U CN 210123425 U CN210123425 U CN 210123425U
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- plunger pump
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- storage bottle
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Abstract
The utility model discloses a water quality analysis system, including plunger pump, reaction unit, reagent storage unit and multichannel valve, the plunger pump gets into the reaction unit through medicament and the water sample that awaits measuring in the multichannel valve control reagent storage unit, and the reaction unit carries out the detection and analysis to medicament after the reaction and the water sample that awaits measuring, and medicament and test water sample separate through air and pure water at the in-process of advancing the appearance, have avoided cross contamination between the reagent, have improved water quality analysis's precision.
Description
Technical Field
The utility model relates to a water quality analysis system belongs to water quality testing analysis technical field.
Background
In the industry of water quality detection and analysis, most detection instruments have the problem of high reagent consumption, most reagents used for water quality analysis are very toxic, the pollution is serious, and the problems of cross pollution among the reagents and cross pollution between waste liquid and the reagents exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a water quality analysis system to solve one of the above-mentioned multinomial defect or defect that leads to among the prior art.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a water quality analysis system, which comprises a plunger pump, a reaction unit, a reagent storage unit and a multi-channel valve;
the plunger pump is also connected with a pure water barrel;
the multi-channel valve is respectively communicated with the pure water barrel and each storage bottle in the air and reagent storage unit, and the plunger pump pumps the pure water, the air and/or the reagent in each storage bottle to the reaction unit through the multi-channel valve;
the reagent storage unit also comprises a waste liquid storage bottle communicated with the multi-channel valve;
the reaction unit comprises a reaction tank, and a light source emitter and a photoelectric detector which are respectively arranged on two sides of the reaction tank, wherein the light source emitter can emit light signals to penetrate through the reaction tank to be monitored by the photoelectric detector;
a first electromagnetic valve is connected to a pipeline between the multi-channel valve and the reaction tank;
a second electromagnetic valve is connected on a pipeline between the plunger pump and the pure water barrel;
the water quality analysis system further comprises a control unit, and the control unit is respectively connected with the plunger pump, the multi-channel valve, the first electromagnetic valve and the second electromagnetic valve.
The utility model provides a pair of water quality analysis system, the plunger pump passes through the multichannel valve and extracts quantitative medicament andor the water sample entering reaction unit that awaits measuring, at the in-process of extracting medicament andor the water sample that awaits measuring, air through the extraction separates pure water and medicament, pure water and the water sample that awaits measuring, under the prerequisite that satisfies the ration extraction, the consumption of reagent in the testing process has been reduced, and fundamentally has solved cross contamination's problem between the reagent, the water quality analysis of no cross contamination sampling has been realized, the high accuracy scaling mixture of medicament and the water sample that awaits measuring has been improved.
Drawings
Fig. 1 is a schematic structural diagram of a water quality analysis system according to an embodiment of the present invention;
in the figure: 1. a first solenoid valve; 2. a second solenoid valve; 3. a third electromagnetic valve; 4. a fourth solenoid valve; 5. a fifth solenoid valve; 6. a sixth electromagnetic valve; 7. a seventh electromagnetic valve; 8. an eighth solenoid valve; 9. a ninth electromagnetic valve; 10. a tenth solenoid valve; 11. an eleventh electromagnetic valve; 12. a twelfth electromagnetic valve; 13. a plunger pump; 14. a reaction tank; 15. a photodetector; 16. a light source emitter; 17. a reaction unit; 18. a pure water bucket; 19. a first storage bottle; 20. a second storage bottle; 21. a third storage bottle; 22. a fourth storage bottle; 23. a fifth storage bottle; 24. waste liquid storage bottle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, the terms "upward", "downward", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention, but do not require the present invention to be necessarily patterned and operated in a specific orientation, and thus, cannot be construed as limiting the present invention.
The water quality analysis system that this embodiment provided includes plunger pump, reaction unit, reagent memory cell and multichannel valve:
the plunger pump 13 comprises an upper liquid inlet and a lower liquid inlet, the upper liquid inlet is communicated with the common end of the multi-channel valve, the lower liquid inlet is connected with a pure water barrel 18, and the communication state of the lower liquid inlet and the pure water barrel 18 is controlled by a first electromagnetic valve 1;
the multi-channel valve is respectively connected with the pure water barrel, the air and each storage bottle in the reagent storage unit: the communication state of the multi-channel valve and the pure water barrel 18 is controlled by a ninth electromagnetic valve 9 and is used for extracting pure water to dilute the sample; the communication state of the multi-channel valve and the first storage bottle 19 is controlled by the second electromagnetic valve 2; the communication state of the multi-channel valve and the second storage bottle 20 is controlled by a third electromagnetic valve 3; the communication state of the multi-channel valve and the third storage bottle 21 is controlled by a fourth electromagnetic valve 4; the communication state of the multi-channel valve and the fourth storage bottle 22 is controlled by a fifth electromagnetic valve 5; the communication state of the multi-channel valve and the fifth storage bottle 23 is controlled by a sixth electromagnetic valve 6;
the storage bottle is including the water sample storage bottle that is used for saving the water sample that awaits measuring to and be used for saving the medicament storage bottle of medicament: the first storage bottle 19, the second storage bottle 20, the third storage bottle 21, the fourth storage bottle 22 and the fifth storage bottle 23 provided in the embodiment are used for storing a water sample or a medicament to be detected;
the communication state of the multi-channel valve and air is controlled by an electromagnetic valve 10;
the communication state of the multi-channel valve and the waste liquid storage bottle is controlled by an eighth electromagnetic valve 8;
the reaction unit 17 includes a reaction cell 14, a light source emitter 16, and a photodetector 15: the reaction tank 14 is connected with the multi-channel valve, and the communication state of the reaction tank 14 and the multi-channel valve is controlled by a seventh electromagnetic valve 7 and a twelfth electromagnetic valve 12; the light source emitter can emit light signals to penetrate through the reaction cell for detection by the photoelectric detector;
the system further comprises a control unit: the control unit is connected with the plunger pump 13 and is used for controlling the running state of the plunger pump; the control unit is connected with the first electromagnetic valve 1, the second electromagnetic valve 2, the third electromagnetic valve 3, the fourth electromagnetic valve 4, the fifth electromagnetic valve 5, the sixth electromagnetic valve 6, the seventh electromagnetic valve 7, the eighth electromagnetic valve 8, the ninth electromagnetic valve 9, the tenth electromagnetic valve 10, the eleventh electromagnetic valve 11 and the twelfth electromagnetic valve 12, and is used for controlling the running state of the electromagnetic valves.
The use method of the water quality analysis system provided by the embodiment comprises the following steps:
the method comprises the following steps: filling pure water into the plunger pump 13, the multi-channel valve and the internal pipeline of the multi-channel valve, and specifically comprising the following steps:
step 11: the eighth electromagnetic valve 8 is opened, other electromagnetic valves are kept in a closed state, the plunger pump 13 and the waste liquid storage bottle 24 are kept in a communicated state at the moment, and the control unit controls the plunger of the plunger pump 13 to move upwards to the highest position;
step 12: closing the eighth electromagnetic valve 8, opening the first electromagnetic valve 1, and controlling the plunger of the plunger pump 13 to move downwards to the lowest position by the control unit to realize the extraction of the pure water in the pure water barrel 18;
step 13: closing the first electromagnetic valve 1, opening the eighth electromagnetic valve 8, controlling the plunger of the plunger pump 13 to move upwards to the highest position by the control unit, and closing the electromagnetic valve 8;
step 14: and (4) circulating the step (12) and the step (13) twice to fill pure water in the plunger pump (13), the multi-channel valve and the internal pipeline of the multi-channel valve.
Step two: and injecting air for isolating pure water and storing liquid in the bottle into the internal pipeline of the multi-channel valve:
step 21: the first electromagnetic valve 1 is opened, the control unit controls the plunger of the plunger pump 13 to move 10% of the downward stroke, and pure water with 10% of the stroke is pumped;
step 22: closing the first electromagnetic valve 1, opening the tenth electromagnetic valve 10, and controlling the plunger of the plunger pump 13 to move 10% of the downward stroke by the control unit to realize the extraction of 10% of air;
step 23: the tenth electromagnetic valve 10 is closed, the second electromagnetic valve 2 is opened, and the control unit controls 80% of the downward running stroke of the plunger pump 13 to pump 80% of the liquid in the first storage bottle 19;
step 24: the second electromagnetic valve 2 is closed, the eighth electromagnetic valve 8 is opened, the control unit controls the plunger of the plunger pump 13 to move upwards to the highest position, all the extracted air, pure water and liquid in the first storage bottle 19 are discharged into the waste liquid storage bottle 24, the flushing of the internal pipeline of the multi-channel valve is realized, and the cross contamination of sample introduction is avoided;
step 25: circulating the step 21, the step 22, the step 23 and the step 24 twice to fill the medicament in the pipeline between the second electromagnetic valve 2 and the first medicament bottle 19;
step 26: the first electromagnetic valve 1 is opened, the control unit controls the plunger of the plunger pump 13 to move downwards by 20 percent of the stroke, and pure water of 20 percent of the stroke is pumped;
step 27: the first electromagnetic valve 1 is closed, the tenth electromagnetic valve 10 is opened, the control unit controls the plunger pump 13 to move downwards by 10 percent of the stroke, so that air of 10 percent of the stroke is extracted, and the isolation of pure water and liquid in the first storage bottle 19 is realized;
step 28: and closing the tenth electromagnetic valve 10, opening the second electromagnetic valve 2, controlling the plunger pump to move upwards by 20 percent of the stroke, pushing 10 percent of air in the stroke of step 32 and 50 percent of pure water in the stroke of step 31 into a pipeline between the second electromagnetic valve 2 and the first medicament bottle 19, filling pure water into an internal pipeline of the multi-channel valve, and separating the pure water from liquid in the first storage bottle 19 by air.
Step 29: according to the steps 11, 12, 13, 14, 21, 22, 23, 24, 25, 26, 27 and 28, the internal pipeline of the multi-channel valve is filled with pure water, and the pure water and the liquid in the second storage bottle 20, the third medicament bottle 21, the fourth medicament bottle 22 and the fifth medicament bottle 23 are separated by air, so that cross contamination among the liquids is avoided.
Step three: sending the liquid pumped out of the storage bottle to a reaction unit:
step 31: the first electromagnetic valve 1 is opened, the control unit controls the plunger pump to move 20% of the downward stroke, and 20% of pure water is pumped;
step 32: closing the first electromagnetic valve 1, opening the tenth electromagnetic valve 10, and controlling the plunger pump to move downwards by 20% of the stroke by the control unit to realize the extraction of air of 20% of the stroke;
step 33: the tenth electromagnetic valve 10 is closed, the second electromagnetic valve 2 is opened, and the control unit controls the plunger pump to move downwards by 50% of the stroke, so that the liquid in the first medicament bottle 19 with 50% of the stroke is extracted;
step 34: the second electromagnetic valve 2 is closed, the seventh electromagnetic valve 7, the twelfth electromagnetic valve 12 and the eleventh electromagnetic valve 11 are opened, the control unit controls the plunger pump to move upwards by 60 percent of the stroke, and the liquid in the first medicament bottle 19 with 50 percent of the stroke and the air with 10 percent of the stroke are sent to the reaction tank 14;
step 35: the seventh electromagnetic valve 7, the twelfth electromagnetic valve 12 and the eleventh electromagnetic valve 11 are closed, the eighth electromagnetic valve 8 is opened, the control unit controls the plunger of the plunger pump 13 to move upwards to the highest position, pure water is filled in the plunger pump 13 and the internal pipeline of the multi-channel valve, the plunger pump 13 is prevented from contacting with the medicament, and the service life of the plunger pump 13 is prolonged;
step 36: according to the steps 31, 32, 33, 34 and 35, the liquid in the second storage bottle 20, the third storage bottle 21, the fourth storage bottle 22 and the fifth storage bottle 23 with different volumes taking 50% stroke as the minimum unit is delivered to the reaction pool 14.
Step four: after the reagent and the water sample to be detected fully react, analyzing the water quality according to the reaction result:
step 41: pumping air into the reaction tank 14 through the plunger pump 13 for bubbling and mixing the reagent and the water sample to be detected so as to enable the reagent and the water sample to be detected to fully react;
step 42: the light source emitter emits a light signal through the reaction cell 14 for detection by the photodetector;
step five: after the analysis is completed, the mixed liquid in the reaction unit is discharged by controlling the plunger pump.
The first storage bottle 19, the second storage bottle 20, the third storage bottle 21, the fourth storage bottle 22 and the fifth storage bottle 23 provided in the embodiment are used for storing a water sample or a medicament to be detected; by the steps of the method, the water sample to be detected and the medicament are conveyed to the reaction unit without cross contamination, and the water sample to be detected is detected and analyzed; when necessary, the first electromagnetic valve 1 can be closed, the ninth electromagnetic valve 9 can be opened, and the plunger valve 13 is controlled to extract pure water in the pure water barrel 18 for diluting the water sample to be detected.
The utility model provides a pair of water quality analysis system, make the interior a small amount of air that gets into of pipeline separate pure water and medicament, pure water and the water sample that awaits measuring through plunger pump and control, under the prerequisite that satisfies the ration extraction, the both ends liquid that can produce cross contamination separates again, the consumption of reagent in the testing process has been reduced, and fundamentally has solved cross contamination's problem between the reagent, the water quality analysis who has realized no cross contamination advances kind, the high accuracy definite proportion mixture of medicament and water sample that awaits measuring has been improved.
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 modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. A water quality analysis system is characterized by comprising a plunger pump, a reaction unit, a reagent storage unit and a multi-channel valve;
the reagent storage unit comprises a water sample storage bottle and a medicament storage bottle;
the plunger pump is also connected with a pure water barrel;
the multi-channel valve is respectively communicated with the pure water barrel and each storage bottle in the air and reagent storage unit, and the plunger pump pumps the pure water, the air and/or the reagents in each storage bottle to the reaction unit through the multi-channel valve.
2. The water quality analysis system of claim 1, wherein the reagent storage unit further comprises a waste storage bottle in communication with the multi-channel valve.
3. The water quality analysis system of claim 1, wherein the reaction unit comprises a reaction tank, and a light source emitter and a photodetector respectively arranged at two sides of the reaction tank, and the light source emitter can emit light signals to penetrate through the reaction tank for detection by the photodetector.
4. The water quality analysis system according to claim 3, wherein a first electromagnetic valve is further connected to a pipeline between the multi-channel valve and the reaction tank.
5. The water quality analysis system of claim 4, wherein a second solenoid valve is further connected to a pipeline between the plunger pump and the pure water tank.
6. The water quality analysis system of claim 5, further comprising a control unit, wherein the control unit is connected to the plunger pump, the multi-channel valve, the first solenoid valve, and the second solenoid valve, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994148.1U CN210123425U (en) | 2018-11-30 | 2018-11-30 | Water quality analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821994148.1U CN210123425U (en) | 2018-11-30 | 2018-11-30 | Water quality analysis system |
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| Publication Number | Publication Date |
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| CN210123425U true CN210123425U (en) | 2020-03-03 |
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| CN201821994148.1U Active CN210123425U (en) | 2018-11-30 | 2018-11-30 | Water quality analysis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088648A (en) * | 2021-12-07 | 2022-02-25 | 广东盈峰科技有限公司 | Gas-liquid dual isolation method for multi-ported valve micro-reagent sampling |
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2018
- 2018-11-30 CN CN201821994148.1U patent/CN210123425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088648A (en) * | 2021-12-07 | 2022-02-25 | 广东盈峰科技有限公司 | Gas-liquid dual isolation method for multi-ported valve micro-reagent sampling |
| CN114088648B (en) * | 2021-12-07 | 2024-03-01 | 广东盈峰科技有限公司 | Gas-liquid dual isolation method for sampling micro-reagent of multi-way valve |
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