CN204439561U - A kind of urea automatic on-line pick-up unit - Google Patents
A kind of urea automatic on-line pick-up unit Download PDFInfo
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- CN204439561U CN204439561U CN201520126642.6U CN201520126642U CN204439561U CN 204439561 U CN204439561 U CN 204439561U CN 201520126642 U CN201520126642 U CN 201520126642U CN 204439561 U CN204439561 U CN 204439561U
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- urea
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Abstract
The utility model discloses a kind of urea automatic on-line pick-up unit, it is characterized in that: described pick-up unit comprises PLC, one multiple valve, described multiple valve comprises a public port and multiple common port, described public port is connected with a peristaltic pump, described common port has connection water sample to be measured respectively, urea detecting device, for holding the first reagent bottle of Diacetylmonoxime solution, for holding the second reagent bottle of antipyrine solution, described pick-up unit is under the control of PLC, water sample to be measured, reagent solution in reagent container is drawn in urea detecting device successively by peristaltic pump.A kind of urea automatic on-line pick-up unit described in the utility model can carry out automatic on-line checkingi to the urea content of water sample to be measured.Do not need to take back laboratory after water sampling to be measured by manually detecting, detection efficiency is high, improves the detection level of swimming pool water.
Description
Technical field
the utility model relates to a kind of urea automatic on-line pick-up unit, particularly relates to a kind of urea automatic on-line pick-up unit of swimming pool.
Background technology
urea is one of key parameter of swimming-pool water quality detection, traditional carbamide detection method, needing testing staff to detect taking back laboratory after water sampling, wasting time and energy.Therefore, current urea can only carry out irregular sampling observation.This patent proposes a kind of urea automatic on-line detector.
Summary of the invention
technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of urea automatic on-line detector.
for solving above technical matters, the utility model takes following technical scheme:
a kind of urea automatic on-line pick-up unit, described pick-up unit comprises PLC, a multiple valve, described multiple valve comprises a public port and multiple common port, described public port is connected with a peristaltic pump, described common port have respectively connect water sample to be measured, urea detecting device, for hold Diacetylmonoxime solution the first reagent bottle, for holding the second reagent bottle of antipyrine solution, described pick-up unit is under the control of PLC, and the reagent solution in water sample to be measured, reagent container is drawn in urea detecting device successively by peristaltic pump.
preferably, the common port of described multipassage rotary valve is also connected to the 3rd reagent bottle for holding urea titer, for holding the 4th reagent bottle of pure water.
preferably, described pick-up unit also comprises one for controlling the gauge line of peristaltic pump pumps water sample to be measured and reagent solution volume, and described gauge line is connected with the public port of described multiple valve.
preferably, a reduction valve is provided with between described water sample to be measured and described multipassage rotary valve.
preferably, a solenoid valve is provided with between described multipassage rotary valve and described urea detecting device.
preferably, one of them common port of described multipassage rotary valve is connected for the waste liquid barrel of collecting waste liquid in urea detecting device with one.
preferably, described urea detecting device comprise reaction tank, for solution in reaction tank is heated heater strip, for measure solution absorbance in reaction tank photoelectric colorimetry sensor, for reducing the radiator fan of solution temperature in reaction tank, for controlling the temperature sensor of solution temperature in reaction tank.
preferably, described photoelectric colorimetry sensor comprises the light-conductive optic fibre being arranged on reaction tank both sides, is arranged on light emitting diode that reaction tank side is connected with described light-conductive optic fibre, is arranged on reaction tank opposite side with described light-conductive optic fibre to the photodetector be connected.
preferably, described gauge line comprises a glass tube, be arranged on the first photoelectric liquid level sensor on glass tube and the second photoelectric liquid level sensor.
due to the enforcement of above technical scheme, the utility model compared with prior art tool has the following advantages:
a kind of urea automatic on-line pick-up unit described in the utility model can carry out automatic on-line checkingi to the urea content of water sample to be measured.Do not need to take back laboratory after water sampling to be measured by manually detecting, detection efficiency is high, improves the detection level of swimming pool water.
Accompanying drawing explanation
below in conjunction with accompanying drawing and concrete embodiment, the utility model is described in more detail.
fig. 1 is the structural representation of a kind of urea automatic on-line pick-up unit described in the utility model;
fig. 2 is the structural representation of gauge line described in the utility model;
fig. 3 is the structural representation of urea detecting device described in the utility model;
fig. 4 is the structural representation of urea detecting device described in the utility model,
wherein: 1, multipassage rotary valve; 2, peristaltic pump; 3, urea detecting device; 4, gauge line; 5, PLC; 6, reduction valve; 7, solenoid valve; 81, the first reagent bottle; 82, the second reagent bottle; 83, the 3rd reagent bottle; 84, the 4th reagent bottle; 9, waste liquid barrel; 41, glass tube; 42, the first near-infrared luminous diode; 43, the first photodetector; 44, the second near-infrared luminous diode; 45, the second photodetector; 31, reaction tank; 32, light-conductive optic fibre; 33, light emitting diode; 34, photodetector; 35, heater strip; 36, radiator fan; 37, temperature sensor.
Embodiment
be illustrated in figure 1 a kind of urea automatic on-line pick-up unit described in the utility model, described pick-up unit comprises PLC 5, one multiple valve, described multiple valve comprises a public port and multiple common port, described public port is connected with a peristaltic pump 2, described common port has connection water sample to be measured respectively, urea detecting device 3, for holding the first reagent bottle 81 of Diacetylmonoxime solution, for holding the second reagent bottle 82 of antipyrine solution, for holding the 3rd reagent bottle 83 of urea titer, for holding the 4th reagent bottle 84 of pure water, waste liquid barrel 9 for collecting waste liquid in urea detecting device 3 is connected, described pick-up unit also comprises one to extract water sample to be measured and reagent solution volume gauge line 4 for controlling peristaltic pump 2, described gauge line 4 is connected with the public port of described multiple valve.Be provided with a reduction valve 6 between described water sample to be measured and described multipassage rotary valve 1, between described multipassage rotary valve 1 and described urea detecting device 3, be provided with a solenoid valve 7.Urea automatic on-line monitoring device described in the utility model utilizes urea and Diacetylmonoxime and antipyrine to react in yellow, has the principle of maximum absorption band to detect the urea in water sample to be measured at wavelength 460nm place.
be illustrated in figure 2 gauge line 4 described in the utility model, described gauge line 4 comprises a glass tube 41, be arranged on the first photoelectric liquid level sensor on glass tube 41 and the second photoelectric liquid level sensor.The volume of the corresponding glass tube 41 of the first described photoelectric liquid level sensor is 2ml, and the volume of the glass tube 41 that the second photoelectric liquid level sensor is corresponding is 1ml.The first described photoelectric liquid level sensor comprises the first near-infrared luminous diode 42, first photodetector 43, and the second described photoelectric liquid level sensor comprises the second near-infrared luminous diode 44, second photodetector 45.
as Fig. 3 ~ 4 are depicted as urea detecting device 3 described in the utility model, described urea detecting device 3 comprise reaction tank, for solution in reaction tank is heated heater strip 35, for measure solution absorbance in reaction tank photoelectric colorimetry sensor, for reducing the radiator fan 36 of solution temperature in reaction tank, for controlling the temperature sensor 37 of solution temperature in reaction tank.Described photoelectric colorimetry sensor comprises the light-conductive optic fibre being arranged on reaction tank both sides, is arranged on light emitting diode 33 that reaction tank side is connected with described light-conductive optic fibre, is arranged on reaction tank opposite side with described light-conductive optic fibre to the photodetector 34 be connected.The wavelength of described light emitting diode 33 is 460nm.
in a preferred embodiment, use the detailed process of automatic on-line monitoring device described in the utility model as follows: to utilize PLC 5 to control the port position of multipassage rotary valve 1, gauge line 44 and reduction valve 63 are communicated; Then 2ml water sample to be measured is extracted in gauge line 4 by peristaltic pump 2; Open solenoid valve 7, by multipassage rotary valve 1, the reaction tank of gauge line 4 and urea detecting device 3 is communicated; By peristaltic pump 2, the water sample in gauge line 4 is transported in reaction tank, shut electromagnetic valve 76.Above step repeats 4 times again, extracts altogether 10ml water sample to be measured in reaction tank.Use similar method, from the first reagent bottle 81 and the second reagent bottle 82, extract 1ml Diacetylmonoxime and 2ml antipyrine solution respectively in reaction tank.Utilize the mixed solution in heater strip 35 pairs of reaction tanks to heat, control that heating-up temperature is 100 degree by PLC 5 and temperature sensor 37, the heat time is 50 minutes.After heating process terminates, open radiator fan 36, make the solution in reaction tank be cooled to room temperature.Then the absorbance of the photoelectric colorimetry sensor measurement solution of urea detecting device 3 is utilized.After detection completes, detection solution is discharged in waste liquid barrel 9, with pure water, reaction tank is cleaned.
before above-mentioned detection, first need the absorbance detecting pure water and urea titer respectively, obtain the curve of absorbance and urea concentration.And then extract water sample to be measured, carry out absorbance detection, obtain the urea content in water sample to be measured according to absorbance curve.After completing once test, by wireless data transfer module, test result is sent to monitor terminal.The automatic on-line realizing urea in swimming pool water detects.
above the utility model is described in detail, but the utility model is not limited to the above embodiments.All equivalences done according to Spirit Essence of the present utility model change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (9)
1. a urea automatic on-line pick-up unit, it is characterized in that: described pick-up unit comprises PLC, a multiple valve, described multiple valve comprises a public port and multiple common port, described public port is connected with a peristaltic pump, described common port have respectively connect water sample to be measured, urea detecting device, for hold Diacetylmonoxime solution the first reagent bottle, for holding the second reagent bottle of antipyrine solution
Described pick-up unit is under the control of PLC, and the reagent solution in water sample to be measured, the first reagent container, the second reagent container is drawn in urea detecting device successively by peristaltic pump.
2. a kind of urea automatic on-line pick-up unit according to claim 1, is characterized in that: the common port of described multipassage rotary valve is also connected to the 3rd reagent bottle for holding urea titer, for holding the 4th reagent bottle of pure water.
3. a kind of urea automatic on-line pick-up unit according to claim 1, it is characterized in that: described pick-up unit also comprises one for controlling the gauge line of peristaltic pump pumps water sample to be measured and reagent solution volume, and described gauge line is connected with the public port of described multiple valve.
4. a kind of urea automatic on-line pick-up unit according to claim 1, is characterized in that: be provided with a reduction valve between described water sample to be measured and described multipassage rotary valve.
5. a kind of urea automatic on-line pick-up unit according to claim 1, is characterized in that: be provided with a solenoid valve between described multipassage rotary valve and described urea detecting device.
6. a kind of urea automatic on-line pick-up unit according to claim 1, is characterized in that: one of them common port of described multipassage rotary valve is connected for the waste liquid barrel of collecting waste liquid in urea detecting device with one.
7. a kind of urea automatic on-line pick-up unit according to claim 1, is characterized in that: described urea detecting device comprise reaction tank, for solution in reaction tank is heated heater strip, for measure solution absorbance in reaction tank photoelectric colorimetry sensor, for reducing the radiator fan of solution temperature in reaction tank, for controlling the temperature sensor of solution temperature in reaction tank.
8. a kind of urea automatic on-line pick-up unit according to claim 7, it is characterized in that: described photoelectric colorimetry sensor comprises the light-conductive optic fibre being arranged on reaction tank both sides, be arranged on light emitting diode that reaction tank side is connected with described light-conductive optic fibre, be arranged on reaction tank opposite side with described light-conductive optic fibre to the photodetector be connected.
9. a kind of urea automatic on-line pick-up unit according to claim 3, is characterized in that: described gauge line comprises a glass tube, be arranged on the first photoelectric liquid level sensor on glass tube and the second photoelectric liquid level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520126642.6U CN204439561U (en) | 2015-03-05 | 2015-03-05 | A kind of urea automatic on-line pick-up unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520126642.6U CN204439561U (en) | 2015-03-05 | 2015-03-05 | A kind of urea automatic on-line pick-up unit |
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| CN204439561U true CN204439561U (en) | 2015-07-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105761A (en) * | 2015-09-16 | 2015-12-02 | 福建师范大学 | Chemical appearing method for potential finger prints |
| CN106441455A (en) * | 2016-11-25 | 2017-02-22 | 刘春� | Water quality monitoring and managing system for swimming pool |
| CN106441454A (en) * | 2016-11-25 | 2017-02-22 | 刘春� | Water quality detecting system for swimming pool |
| CN106645618A (en) * | 2016-12-02 | 2017-05-10 | 安恒环境科技（北京）股份有限公司 | Automatic water quality monitoring long-distance quality controller |
| CN107703124A (en) * | 2016-08-08 | 2018-02-16 | 安恒环境科技（北京）股份有限公司 | Urea concentration detection method and urea concentration on-line monitoring equipment |
| CN108693368A (en) * | 2017-04-12 | 2018-10-23 | 王万勤 | A kind of computational methods of titrimetry sampling device and its sample size |
| CN109580599A (en) * | 2018-11-22 | 2019-04-05 | 鲁东大学 | The aquaculture condition test-control system and investigating method of internet of things oriented |
| CN109690295A (en) * | 2016-09-19 | 2019-04-26 | 塞彭公司 | For analyzing the system and method for the discharge gas of urea equipment |
| CN110346527A (en) * | 2019-06-05 | 2019-10-18 | 泛测（北京）环境科技有限公司 | Water sample detection device |
| CN110462398A (en) * | 2017-04-04 | 2019-11-15 | 奥加诺株式会社 | Method and analytical equipment for quantitative urea |
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2015
- 2015-03-05 CN CN201520126642.6U patent/CN204439561U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105761A (en) * | 2015-09-16 | 2015-12-02 | 福建师范大学 | Chemical appearing method for potential finger prints |
| CN107703124A (en) * | 2016-08-08 | 2018-02-16 | 安恒环境科技（北京）股份有限公司 | Urea concentration detection method and urea concentration on-line monitoring equipment |
| CN109690295A (en) * | 2016-09-19 | 2019-04-26 | 塞彭公司 | For analyzing the system and method for the discharge gas of urea equipment |
| US11243168B2 (en) | 2016-09-19 | 2022-02-08 | Saipem S.P.A. | System and a method for analysis of vent gas of a urea plant |
| CN106441455A (en) * | 2016-11-25 | 2017-02-22 | 刘春� | Water quality monitoring and managing system for swimming pool |
| CN106441454A (en) * | 2016-11-25 | 2017-02-22 | 刘春� | Water quality detecting system for swimming pool |
| CN106645618A (en) * | 2016-12-02 | 2017-05-10 | 安恒环境科技（北京）股份有限公司 | Automatic water quality monitoring long-distance quality controller |
| CN110462398A (en) * | 2017-04-04 | 2019-11-15 | 奥加诺株式会社 | Method and analytical equipment for quantitative urea |
| CN110462398B (en) * | 2017-04-04 | 2022-09-20 | 奥加诺株式会社 | Method and analysis device for quantifying urea |
| CN108693368A (en) * | 2017-04-12 | 2018-10-23 | 王万勤 | A kind of computational methods of titrimetry sampling device and its sample size |
| CN109580599A (en) * | 2018-11-22 | 2019-04-05 | 鲁东大学 | The aquaculture condition test-control system and investigating method of internet of things oriented |
| CN109580599B (en) * | 2018-11-22 | 2021-06-04 | 鲁东大学 | Aquatic product culture environment measurement and control system and method for Internet of things |
| CN110346527A (en) * | 2019-06-05 | 2019-10-18 | 泛测（北京）环境科技有限公司 | Water sample detection device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20210305 |