CN108037080A - A kind of Water quality detected system - Google Patents
A kind of Water quality detected system Download PDFInfo
- Publication number
- CN108037080A CN108037080A CN201711324699.7A CN201711324699A CN108037080A CN 108037080 A CN108037080 A CN 108037080A CN 201711324699 A CN201711324699 A CN 201711324699A CN 108037080 A CN108037080 A CN 108037080A
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- detection
- cylinder
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- electrode
- water
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/333—Ion-selective electrodes or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1813—Water specific cations in water, e.g. heavy metals
Abstract
The invention discloses a kind of Water quality detected system,Including detecting cylinder,Into bucket and processing system,It is described to be installed on detection cylinder top into bucket,The detection cylinder inner wall is provided with the first detection cell and the second detection cell,First detection cell and the second detection cell connect connection by water receiving pipe with into bucket bottom,First detection cell and the second detection cell bottom are respectively connected with drainpipe,Water receiving pipe and drainpipe are controlled by solenoid valve,Detection cylinder inside end is connected with support column,Support top end is provided with detection lamp,Processing system includes first detection unit,Second detection unit,Signal conversion unit,Control unit and execution unit,First detection unit and second detection unit are separately positioned on the first detection cell,Inside second detection cell,It is detected for different metal ions using different detection modes,Practicality is stronger,And realization is combined using spectroscopic methodology and ion detection mode and is more accurately detected.
Description
Technical field
The present invention relates to water quality inspection technique field, is specially a kind of Water quality detected system.
Background technology
Water quality detection, is species, the concentration and variation tendency of each pollutant of pollutant in monitoring and measure water body, comments
The process of valency water quality condition.Monitoring range is quite varied, including is not contaminated and contaminated natural water(River, river, lake, sea
And underground water)And various industrial water drainages etc..Main monitoring project can be divided into two major classes:One kind is reflection water quality condition
Overall target, such as temperature, colourity, turbidity, pH value, electrical conductivity, suspended matter, dissolved oxygen, COD and biochemical oxygen demand (BOD);
Another kind of is some noxious materials, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury and organic agricultural chemicals, is objective appraisal rivers and sea
The situation of foreign-water matter, in addition to above-mentioned monitoring project, needs to carry out the measure of flow velocity and flow sometimes.
Application No. 201621279877.X, patent name are special for a kind of utility model of natatorium water quality amount detection systems
Profit, belongs to water quality detection field, including electronic display, sound circuit, controller circuitry, server, PC machine, data acquisition
Card module and several water quality detection devices.Each water quality detection device is connectionless with data acquisition card module;
The output terminal of the data acquisition card module is connected with controller circuitry;The input terminal of the electronic display and sound circuit is equal
It is connected with controller circuitry;The input terminal of the server is connected with controller circuitry;The input terminal and server of the PC machine
Output terminal connection;The server is connected with external the Internet.
Existing water quality detection system does not divide when water quality detection is carried out for some heavy metal ion in water
Class detects, it is easy to causes testing result deviation occur, and common water quality detection mode is examined using single spectrum
Survey, detection after easily there are testing result it is inaccurate the problem of.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of Water quality detected system, for different
Metal ion is detected using different detection modes, and practicality is stronger, and uses spectroscopic methodology and ion detection mode phase
It is implemented in combination with more accurately detecting, can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is:A kind of Water quality detected system, including detection
Cylinder, into bucket and processing system, described to be installed on detection cylinder top into bucket, the detection cylinder inner wall is provided with the first detection cell
With the second detection cell, first detection cell and the second detection cell connect connection by water receiving pipe with into bucket bottom, and described
One detection cell and the second detection cell bottom are respectively connected with drainpipe, and the water receiving pipe and drainpipe are controlled by solenoid valve
System;
The detection cylinder inside end is connected with support column, and the support top end is provided with detection lamp, detection lamp surface peace
Equipped with protection lampshade, the support column is lifted by hydraulic stem, and the detection cylinder top side is provided with mounting ring, described
Mounting ring bottom is connected with telescopic rod, and the telescopic rod bottom is connected with mounting base;
The processing system includes first detection unit, second detection unit, signal conversion unit, control unit and performs list
Member, the first detection unit and second detection unit are separately positioned on the first detection cell, inside the second detection cell, and described first
Detection unit and second detection unit are electrically connected with signal conversion unit respectively carries out signal transmission and conversion, and the signal turns
Change unit and control unit input terminal is electrically connected, the execution unit and control unit output terminal are electrically connected.
As a kind of preferable technical solution of the present invention, the detection cylinder inner wall is provided with washer jet, the cleaning spray
Water is discharged into by mouth by water inlet pipe, and is installed with annular guide plates, the water inlet on washer jet and water inlet inside pipe wall
Manage and connected with exterior suction pump, the suction pump is installed on inside service sink, and the service sink and detection cylinder are installed in bottom
Seating face.
As a kind of preferable technical solution of the present invention, the chassis interior is provided with water-accepting tank, and the water-accepting tank passes through
Communicating pipe connects connection with detection cylinder.
As a kind of preferable technical solution of the present invention, the detection cylinder includes upper half cylinder and lower half cylinder, the upper half cylinder
Linked together between lower half cylinder by spiral way, and upper half cylinder and lower half cylinder junction are provided with gasket.
As a kind of preferable technical solution of the present invention, pars intramuralis uses hollow-core construction, the detection in the detection cylinder
Cylinder inner wall is internally provided with drying piece.
As a kind of preferable technical solution of the present invention, the first detection unit includes working electrode, the first reference electricity
Pole and to electrode, the working electrode, reference electrode and is installed in inside the first detection cell electrode.
As a kind of preferable technical solution of the present invention, the second detection unit include the second reference electrode, cyanogen electrode,
Fluoride electrode and barium electrode, second reference electrode, cyanogen electrode, fluoride electrode and barium electrode are arranged inside the second detection cell.
As a kind of preferable technical solution of the present invention, the signal conversion unit includes signal amplifier, photoelectric sensing
Device, signal adapter and electrochemical signals collector, described control unit include LPC1752 microprocessors and charging lithium electricity
Pond, the execution unit include display screen and memory.
Compared with prior art, the beneficial effects of the invention are as follows:
(1)The present invention is detected same water using the first detection cell and the second detection cell, and Anodic Stripping volt is respectively adopted
Peace method and fluorescence spectrophotometric method carry out ion detection, can uniformly detect, greatly reduce for different metal ions
The limitation of detection, detection range and precision greatly improve;
(2)The present invention carries out water quality detection by way of spectroscopic methodology and ion method be combined with each other, and is mutually tied by two ways
Conjunction effectively avoids error caused by single detection, and comprehensive detection, can reach preferably detection result;
(3)The present invention the first detection cell, the second detection cell and detection cylinder it is separate, when being detected detection at the same time
Carry out, be independent of each other, ensure that accuracy of detection, improve detection efficiency.
Brief description of the drawings
Fig. 1 is the detection cylinder internal structure schematic diagram of the present invention;
Fig. 2 is the processing system workflow schematic diagram of the present invention.
In figure:1- detects cylinder;2- is into bucket;3- processing systems;4- upper half cylinders;5- lower half cylinders;6- gaskets;7- is dried
Piece;
The first detection cells of 101-;The second detection cells of 102-;103- water receiving pipes;104- drainpipes;105- solenoid valves;106- is supported
Column;107- detects lamp;108- protects lampshade;109- hydraulic stems;110- mounting rings;111- telescopic rods;112- mounting bases;113- is clear
Wash nozzle;114- water inlet pipes;115- suction pumps;116- service sinks;117- bases;118- water-accepting tanks;119- communicating pipes;
301- first detection units;302- second detection units;303- signal conversion units;304- control units;305- is performed
Unit;306- working electrodes;The first reference electrodes of 307-;308- is to electrode;The second reference electrodes of 309-;310- cyanogen electrodes;
311- fluoride electrodes;312- barium electrodes;313- signal amplifiers;314- photoelectric sensors;315- signal adapters;316- electrochemistry
Signal picker;317-LPC1752 microprocessors;318- charged lithium cells;319- display screens;320- memories.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment:
As depicted in figs. 1 and 2, the present invention provides a kind of Water quality detected system, including detection cylinder 1, into bucket 2 and processing
System 3, described to be installed on 1 top of detection cylinder into bucket 2, detection 1 inner wall of cylinder is provided with the first detection cell 101 and the second inspection
Pond 102 is surveyed, first detection cell 101 connects connection, institute by water receiving pipe 103 with the second detection cell 102 with into 2 bottom of bucket
State the first detection cell 101 and 102 bottom of the second detection cell is respectively connected with drainpipe 104, by the way that water is drained into first into bucket 2
It is detected inside detection cell 101, the second detection cell 102 and detection cylinder 1, Through Several Survey Measure is carried out at the same time, between each other mutually
Do not disturb.
The water receiving pipe 103 and drainpipe 104 are controlled by solenoid valve 105, and 1 inner bottom of the detection cylinder connects
Support column 106 is connected to, 106 top of support column is provided with detection lamp 107, and 107 surface of the detection lamp is provided with guard lamp
Cover 108, the support column 106 is lifted by hydraulic stem 109, after water enters 1 inside of detection cylinder, passes through hydraulic stem
So that detection lamp 107 produces ultraviolet and the water inside detection cylinder 1 is irradiated, different metallic atoms produces for 109 lifting
Different spectrum.
1 top side of the detection cylinder is provided with mounting ring 110, and 110 bottom of mounting ring is connected with telescopic rod 111,
111 bottom of telescopic rod is connected with mounting base 112, and optical telecommunications are received by installing photoelectric sensor 314 in mounting base 112
Number, after the detection generation ultraviolet of lamp 107 is irradiated water, pass through the length photoelectric sensing of adjustable telescopic rod 111
Device 314 receives photosignal, completes spectral detection.
The basic principle of further explanation spectral detection is needed herein:Spectral detection is to be by the photodegradation of complicated component
Spectrum line detects a kind of detection method containing element, it is mainly made of prism or diffraction grating etc., utilizes spectrometer
The light of measurable body surface reflection.Seven-colour-light in sunlight is the part (visible ray) that can divide of naked eyes, if but passing through spectrum
Instrument decomposes sunlight, by wave arrangement, it is seen that light only accounts for the scope of very little in spectrum, remaining is all the light that naked eyes can not be differentiated
Spectrum, such as infrared ray, microwave, ultraviolet, X-ray.Develop by crawl of the spectrometer to optical information, with photographic negative, or
Computerized automatic display numerical value instrument shows and analyzes, which kind of element contained in article so as to predict.
As shown in Fig. 2, the processing system 3 includes first detection unit 301, second detection unit 302, signal conversion list
Member 303, control unit 304 and execution unit 305, the first detection unit 301 and second detection unit 302 are separately positioned on
Inside first detection cell 101, the second detection cell 102, the first detection unit 301 and second detection unit 302 respectively and letter
Number converting unit 303, which is electrically connected, carries out signal transmission and conversion, the signal conversion unit 303 and control unit 304 input
End is electrically connected, and the execution unit 305 and 304 output terminal of control unit are electrically connected.
The first detection unit 301 includes working electrode 306, the first reference electrode 307 and to electrode 308, the work
Make electrode 306, reference electrode 307 and electrode 308 is installed in inside the first detection cell 101;The second detection unit 302
Including the second reference electrode 309, cyanogen electrode 310, fluoride electrode 311 and barium electrode 312, second reference electrode 309, cyanogen electrode
310th, fluoride electrode 311 and barium electrode 312 are arranged inside the second detection cell 102, are examined by first detection unit 301 and second
Survey the detection of unit 302 so that the metal ion in water is detected, and carries out signal conversion by signal conversion unit 303 afterwards,
The signal conversion unit 303 includes signal amplifier 313, photoelectric sensor 314, signal adapter 315 and electrochemical signals
Collector 316, signal amplifier 313 amplify the signal collected inside the second detection cell 102, simultaneous electrochemical signal picker
The signal of 316 the second detection cells 102 of collection, two kinds of signals by the conversion of signal adapter 315 and are transferred to control unit
304。
Described control unit 304 includes LPC1752 microprocessors 317 and charged lithium cells 318, the execution unit
305 include display screen 319 and memory 320, the LPC1752 microprocessors of the signal transmission after detection to control unit 304
317 are analyzed and processed, and LPC1752 microprocessors 317 are the results are shown in display screen 319 after processing, while will test
Data storage inside memory 320, easy to call at any time.
Preferably, detection 1 inner wall of cylinder is provided with washer jet 113, and the washer jet 113 passes through water inlet pipe
114 are discharged into water, and are installed with annular guide plates, the water inlet pipe on 114 inner wall of washer jet 113 and water inlet pipe
114 connect with exterior suction pump 115, and the suction pump 115 is installed on inside service sink 116, the service sink 116 and detection
Cylinder 1 is installed in 117 surface of base, and the base 117 is internally provided with water-accepting tank 118, and the water-accepting tank 118 passes through communicating pipe
119 connect connection with detection cylinder 1, are pumped into exterior water by suction pump 115, by washer jet 113 to detecting 1 inner wall of cylinder
Cleaned, while water is drained into inside water-accepting tank 118 by communicating pipe 119, you can complete the cleaning inside detection cylinder 1
Journey.
The solenoid valve 105 is controlled by control unit 304, is easy to implement and is automatically controlled.
The detection cylinder 1 includes upper half cylinder 4 and lower half cylinder 5, passes through spiral way between the upper half cylinder 4 and lower half cylinder 5
Link together, and upper half cylinder 4 and 5 junction of lower half cylinder are provided with gasket 6, it is convenient to dismantle detection cylinder 1, inside is carried out
Machinery wipes or cleaning.
Pars intramuralis uses hollow-core construction in the detection cylinder 1, and detection 1 inner wall of cylinder is internally provided with drying piece 7, is examining
It is easy to flash baking after surveying, reduces the influence of repeated detection.
In conclusion the main characteristic of the invention lies in that:
(1)The present invention is detected same water using the first detection cell and the second detection cell, and Anodic Stripping volt is respectively adopted
Peace method and fluorescence spectrophotometric method carry out ion detection, can uniformly detect, greatly reduce for different metal ions
The limitation of detection, detection range and precision greatly improve;
(2)The present invention carries out water quality detection by way of spectroscopic methodology and ion method be combined with each other, and is mutually tied by two ways
Conjunction effectively avoids error caused by single detection, and comprehensive detection, can reach preferably detection result;
(3)The present invention the first detection cell, the second detection cell and detection cylinder it is separate, when being detected detection at the same time
Carry out, be independent of each other, ensure that accuracy of detection, improve detection efficiency.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (8)
- A kind of 1. Water quality detected system, it is characterised in that:Including detecting cylinder(1), into bucket(2)And processing system(3), institute State into bucket(2)Installed in detection cylinder(1)Top, the detection cylinder(1)Inner wall is provided with the first detection cell(101)With the second inspection Survey pond(102), first detection cell(101)With the second detection cell(102)Pass through water receiving pipe(103)With into bucket(2)Bottom Connection connection, first detection cell(101)With the second detection cell(102)Bottom is respectively connected with drainpipe(104), the water receiving Pipe(103)And drainpipe(104)Pass through solenoid valve(105)It is controlled;The detection cylinder(1)Inner bottom is connected with support column(106), the support column(106)Top is provided with detection lamp (107), the detection lamp(107)Surface is provided with protection lampshade(108), the support column(106)Pass through hydraulic stem(109)Into Row lifting, the detection cylinder(1)Top side is provided with mounting ring(110), the mounting ring(110)Bottom is connected with telescopic rod (111), the telescopic rod(111)Bottom is connected with mounting base(112);The processing system(3)Including first detection unit(301), second detection unit(302), signal conversion unit(303)、 Control unit(304)And execution unit(305), the first detection unit(301)And second detection unit(302)Set respectively In the first detection cell(101), the second detection cell(102)Inside, the first detection unit(301)And second detection unit (302)Respectively and signal conversion unit(303)It is electrically connected and carries out signal transmission and conversion, the signal conversion unit(303) And control unit(304)Input terminal is electrically connected, the execution unit(305)And control unit(304)Output terminal is electrically connected.
- A kind of 2. Water quality detected system according to claim 1, it is characterised in that:The detection cylinder(1)Inner wall is set It is equipped with washer jet(113), the washer jet(113)Pass through water inlet pipe(114)Water is discharged into, and in washer jet(113) And water inlet pipe(114)Annular guide plates, the water inlet pipe are installed with inner wall(114)With exterior suction pump(115)Even Connect, the suction pump(115)Installed in service sink(116)Inside, the service sink(116)With detection cylinder(1)It is installed in bottom Seat(117)Surface, the base(117)It is internally provided with water-accepting tank(118), the water-accepting tank(118)Pass through communicating pipe(119) With detection cylinder(1)Connection connection.
- A kind of 3. Water quality detected system according to claim 1, it is characterised in that:The solenoid valve(105)Pass through Control unit(304)It is controlled.
- A kind of 4. Water quality detected system according to claim 1, it is characterised in that:The detection cylinder(1)Including upper Half(4)With lower half cylinder(5), the upper half cylinder(4)With lower half cylinder(5)Between linked together by spiral way, and upper half Cylinder(4)With lower half cylinder(5)Junction is provided with gasket(6).
- A kind of 5. Water quality detected system according to claim 1, it is characterised in that:The detection cylinder(1)In inner wall Portion uses hollow-core construction, the detection cylinder(1)Inner wall is internally provided with drying piece(7).
- A kind of 6. Water quality detected system according to claim 1, it is characterised in that:The first detection unit (301)Including working electrode(306), the first reference electrode(307)With to electrode(308), the working electrode(306), reference Electrode(307)With to electrode(308)It is installed in the first detection cell(101)It is internal.
- A kind of 7. Water quality detected system according to claim 1, it is characterised in that:The second detection unit (302)Including the second reference electrode(309), cyanogen electrode(310), fluoride electrode(311)With barium electrode(312), second reference Electrode(309), cyanogen electrode(310), fluoride electrode(311)With barium electrode(312)It is arranged at the second detection cell(102)It is internal.
- A kind of 8. Water quality detected system according to claim 1, it is characterised in that:The signal conversion unit (303)Including signal amplifier(313), photoelectric sensor(314), signal adapter(315)With electrochemical signals collector (316), described control unit(304)Including LPC1752 microprocessors(317)And charged lithium cells(318), it is described to perform list Member(305)Including display screen(319)And memory(320).
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CN201711324699.7A CN108037080A (en) | 2017-12-13 | 2017-12-13 | A kind of Water quality detected system |
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US5435909A (en) * | 1994-03-14 | 1995-07-25 | Hydrotechnology, Inc. A California Corp. | Water quality monitor for a water purification system |
JP2001083140A (en) * | 1999-09-13 | 2001-03-30 | Hitachi Ltd | Water quality meter |
CN1554943A (en) * | 2003-12-21 | 2004-12-15 | 浙江大学 | Method for detecting multiple heavy metal elements simultaneously |
CN101943659A (en) * | 2009-07-08 | 2011-01-12 | 上海衡伟信息技术有限公司 | Multiparameter water quality comprehensive analyzer |
CN203365316U (en) * | 2013-07-17 | 2013-12-25 | 上海海争电子科技有限公司 | Multi-parameter water quality analyzer |
CN106442415A (en) * | 2016-12-16 | 2017-02-22 | 哈尔滨工业大学 | Household drinking water quality online detection device |
CN106525905A (en) * | 2016-09-20 | 2017-03-22 | 浙江工业大学 | Water quality on-line monitoring system with electrode automatic cleaning and calibration functions |
CN106771025A (en) * | 2016-12-05 | 2017-05-31 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of waterworks water quality detecting device |
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2017
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US5435909A (en) * | 1994-03-14 | 1995-07-25 | Hydrotechnology, Inc. A California Corp. | Water quality monitor for a water purification system |
JP2001083140A (en) * | 1999-09-13 | 2001-03-30 | Hitachi Ltd | Water quality meter |
CN1554943A (en) * | 2003-12-21 | 2004-12-15 | 浙江大学 | Method for detecting multiple heavy metal elements simultaneously |
CN101943659A (en) * | 2009-07-08 | 2011-01-12 | 上海衡伟信息技术有限公司 | Multiparameter water quality comprehensive analyzer |
CN203365316U (en) * | 2013-07-17 | 2013-12-25 | 上海海争电子科技有限公司 | Multi-parameter water quality analyzer |
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CN106771025A (en) * | 2016-12-05 | 2017-05-31 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of waterworks water quality detecting device |
CN106442415A (en) * | 2016-12-16 | 2017-02-22 | 哈尔滨工业大学 | Household drinking water quality online detection device |
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Application publication date: 20180515 |