CN203376309U - Multi-parameter water quality detector - Google Patents
Multi-parameter water quality detector Download PDFInfo
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- CN203376309U CN203376309U CN201320463215.8U CN201320463215U CN203376309U CN 203376309 U CN203376309 U CN 203376309U CN 201320463215 U CN201320463215 U CN 201320463215U CN 203376309 U CN203376309 U CN 203376309U
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Abstract
The utility model provides a multi-parameter water quality detector which comprises a heavy metal photoelectric detection module for detecting different heavy metals contained in water quality according to different light waves, a PH probe for detecting a PH value of the water quality, an ORP (oxidation-reduction potential) probe for detecting the oxidability of water, an conductivity electrode probe for detecting the hardening degree and the mineralization degree of water, a temperature probe for detecting the temperature of water, a central processing unit which is connected with the heavy metal photoelectric detection module, the PH probe, the ORP probe, the conductivity electrode probe and the temperature probe and is used for sending a detection instruction and processing various detection parameters of the water quality, a memory which is connected with the central processing unit and is used for storing various detection parameters of the water quality, an input/output module which is connected with the central processing unit and is used for inputting an operation instruction and outputting running parameters, and a power supply which is at least connected with the central processing unit and is used for supplying working power. The multi-parameter water quality detector integrates multiple detection functions, so that one machine can detect multiple parameters; the multi-parameter water quality detector is convenient to apply.
Description
Technical field
The utility model relates to a kind of water detection technique field, relates in particular to the detection technique of different kinds of ions in water body.
Background technology
The mankind be unable to do without water in life and activity in production, and quality and the human health of Drinking Water water quality are closely related.Along with the quickening of expanding economy and urbanization process, the sanitary sewage discharge capacity increases rapidly, and a large amount of undressed sanitary sewages are discharged into earth's surface, cause the pollution of water environment.The quality of industry water standard is closely related with commercial production cost and product quality.At present, the mankind's activity breadth and depth is unprecedented, and to physical environment, particularly the impact of water resource is very serious.Breeding water, due to the impact that is subject to mankind's activity and other factors, causes the material that enters water body to surpass water body self-purification ability, causes water quality deterioration, has influence on the water body purposes.Wherein main pollutant has: heavy metal contaminants, and nonmetal inorganic toxic pollutant, toxic organic compound, oxygen consumption organic, acid, alkali pollution thing, these all can have a strong impact on the development of aquaculture.Given this, industry has been developed the multiple-quality water checkout equipment, but the comprehensive detection ability of this kind equipment is often not enough, and detected parameters is comparatively single, and data are unfavorable for transmitting.
The utility model content
The problems such as the purpose of this utility model is to provide a kind of multi-parameter water quality detector, and the water quality detection equipment Inspection parameter existed with the solution prior art is single.
In order to address the above problem, the utility model provides a kind of multi-parameter water quality detector, and it comprises: heavy metal Photoelectric Detection module, detect the contained different heavy metals of water quality for utilizing Different lightwave; The PH probe, for detection of the pH value of water quality; The ORP probe, for detection of the oxidisability of water; The conductance electrode probe, for detection of hardenability and the salinity of water; Temp probe, for detection of the temperature of water; Central processing unit, be connected with described heavy metal Photoelectric Detection module, PH probe, ORP probe, conductance electrode probe, temp probe, for sending the every detected parameters that detects instruction water quality treatment; Storer, be connected with described central processing unit, for storing every detected parameters of water quality; Input/output module, be connected with described central processing unit, for input operation instruction and output operational factor; Power supply, at least be connected with described central processing unit, for working power is provided.
According to a kind of preferred implementation of above-mentioned multi-parameter water quality detector, wherein, described input/output module comprises: keyboard is connected with described central processing unit, for the input operation instruction; Liquid crystal display, be connected with described central processing unit, for display operation instruction and testing result.
According to a kind of preferred implementation of above-mentioned multi-parameter water quality detector, wherein, described heavy metal Photoelectric Detection module comprises: light source is distributed in different sense channels, and correspondingly sends the light wave of different wave length; Colorimetric pool, for packing into containing the water to be detected of heavy metal, and corresponding with described light source, so that water to be detected absorbs the light wave of different wave length; Photoelectric sensor, be connected with described central processing unit and corresponding with described colorimetric pool, for detection of the light wave that sees through water to be detected and be converted to the electric signal that is delivered to described central processing unit.
According to a kind of preferred implementation of above-mentioned multi-parameter water quality detector, wherein, described light source is LED.
According to a kind of preferred implementation of above-mentioned multi-parameter water quality detector, wherein, described storer is USB flash disk.
By upper analysis, the utility model integrates multi-functional and detects, and an instrument can detect many kinds of parameters, and it is convenient to apply.Preferably, adopt the cold lamp of LED as light source, light source stability is good, long service life.
The accompanying drawing explanation
The theory diagram that Fig. 1 is the utility model embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, the utility model embodiment comprises central processing unit 1, input/output module 2, power supply 3, heavy metal Photoelectric Detection module 5, PH probe 6, ORP probe 7, conductance electrode probe 8, temp probe 9, storer 4.
Wherein, preferably, for the heavy metal Photoelectric Detection module 5 of utilizing Different lightwave to detect the contained different heavy metals of water quality, comprise photoelectric sensor 51, colorimetric pool 52 and as the LED 53 of light source.The present embodiment has a plurality of passages, and LED 53 is distributed in different sense channels, and correspondingly sends the light wave of different wave length.Colorimetric pool 52 is for packing into containing the water to be detected of heavy metal, and corresponding with LED 53, so that water to be detected absorbs the light wave of different wave length.Photoelectric sensor 51 is connected with central processing unit 1 and is corresponding with colorimetric pool 52, for detection of the light wave that sees through water to be detected and be converted to the electric signal that is delivered to central processing unit 1.
In other words, a plurality of passages are arranged in the present embodiment, the LED 53 wavelength differences of different passages, the light wave of different wave length can detect different heavy metals.Light wave is by being equipped with the colorimetric pool 52 containing heavy metal water to be detected, a part is absorbed, remaining light wave sees through colorimetric pool 52, thereby enter photoelectric sensor 51 and convert electric signal to, the A/D pin that passes to central processing unit 1 is converted to the data of digital form, and central processing unit 1 shows by result store and by liquid crystal display 21 again.
Input/output module 2 comprises liquid crystal display 21 and keyboard 22.Liquid crystal display 21 is connected with central processing unit 1, for display operation instruction and testing result [A1]; Keyboard 22 is connected with central processing unit 1, for input operation instruction [A2].The concrete application of the two, referring to the associated description of following each probe.
PH 6 pH values for detection of water quality of popping one's head in.During application, operation keyboard 22 is chosen PH and is detected menu, PH probe 6 is inserted in water, operation keyboard 22 detects key, PH probe 6 imports the signal detected into central processing unit 1, central processing unit 1 transfers signal to obtain after data, calculating PH numerical value numeral 1-14 and exists on storer 4, then passes on liquid crystal display 21 and shows.
Temp probe 9 is for detection of the temperature of water.While detecting the temperature of water, operation keyboard 22 is chosen the temperature detection menu, temp probe 9 is inserted in water, operation keyboard 22 detects key, temp probe 9 imports the signal detected into central processing unit 1, central processing unit 1 transfers signal to obtain after data, calculating temperature data and exists on storer 4, then passes on liquid crystal display 21 and shows.
Above-mentioned each detection module of central processing unit 1, probe connect, for sending the every detected parameters that detects instruction water quality treatment.Central processing unit 1 can be all kinds of integrated circuit with data processing function such as single-chip microcomputer, digital signal processor.
Storer 4 is connected with central processing unit 1, for storing every detected parameters of water quality.
Power supply 3 at least is connected with central processing unit 1, for working power is provided.Can also directly with each functional module, probe, be connected, also can provide power supply to it via interface circuit.
Preferably, storer 4 is USB flash disk, is easy to carry and data mobile.
When concrete application; at first energising; central processing unit 1 power-on self-test; whether normally detect outside photoelectric sensor 51, LED 53, PH probe 6, ORP probe 7, conductance electrode probe 8, temp probe 9, power supply 3 etc.; if undesired meeting shows by liquid crystal display 21, the prompting user solves the problem of demonstration.After all are normal, liquid crystal display 21 enters and detects interface, at first operation keyboard 22 is selected the project that will detect, and central processing unit 1 follows the signal according to keyboard 22 to judge, and issues instructions to liquid crystal display 21 and shows, then the user inserts corresponding probe in water, probe transfers the analog quantity detected to the A/D pin of central processing unit 1, and central processing unit 1 is transformed A/D pin signal, then passes through computing, transfer data to and exist in storer 4, show on liquid crystal display 21 simultaneously.
Utilizing the utility model embodiment to detect and directly in show sample during sodium ions content, thering is the advantages such as assay method is easy, highly sensitive, error is little, can be widely used in the detection of water quality and food.
Particularly, while detecting the sodion in Drinking Water and source water, waste water etc., at first prepare reagent, reagent comprises: complexing agent: 1 bottle; Sodium detects liquid I:2 bottle; Sodium buffer solution: 1 bottle; Sodium detects liquid II:1 bottle; Sodium detects liquid III:1 bottle; Sodium detects liquid IV:1 bottle; Sodium developer: 1 bottle.
Then, according to following sample detection step:
Draw 1-3.5mL distilled water and water sample, add respectively in 25mL color-comparison tube (or test tube with ground stopper).
Add complexing agent 50-200uL, add 0.5-2.0 mL ethanol (providing for oneself), shake up, then add 60-180uL to detect liquid I, 0.3-1.4mL sodium buffer solution, 0.3-0.8mL sodium detects liquid II, often adds a kind of reagent fully to shake up.Place and filter in the 10mL color-comparison tube after 5-15 minute.
Get the above-mentioned filtrate of 1.0-2.0mL, be put in 1cm colorimetric pool 52.
Add 1-3 to drip sodium and detect liquid III, 1-3 drips sodium and detects liquid IV, adds 1-3 to drip the sodium developer, places 2-10 minute.
The colorimetric pool 52 that blank is corresponding is put into corresponding passage, clicks the zeroing key, takes out colorimetric pool.
The colorimetric pool 52 that testing sample is corresponding is put into corresponding passage, clicks the detection key and is detected.
The outfit of the classes of agents that above steps is related is as follows:
Detect liquid I(Fe3+): get 45-50g 12 hydration high ferro ammoniums, be dissolved in 1-4% sulfuric acid, and be diluted to 1L with 1-4% sulfuric acid.
Detect liquid II: dissolve the 65-85g ammonium fluoride in 1L water.
Detect liquid III: get 35-50 mL glacial acetic acid, add water 500mL, then add the 230-270g ammonium acetate, stirring and dissolving, be diluted with water to 1L.
Detect liquid IV: oxammonium hydrochloride: 5-12%.
Sodium developer: get the 0.1-0.5g Phen, be diluted with water to 100mL.
The sodium damping fluid: get 20-45 mL glacial acetic acid, add water 500mL, then add the 245-265g ammonium acetate, stirring and dissolving, be diluted with water to 1L.
Complexing agent: get 0.5-1.3g EDTA, add about 15-30 mL 2M sodium hydroxide solution, be diluted with water to 1L.Use 10 times of uses of distilled water diluting during use.
When utilizing the present embodiment to carry out the detection of nitrate, can be based on following principle:
Under concentrated sulphuric acid condition, thymol and nitric acid generate the nitrophenols compound, and intramolecular rearrangement occurs in alkaline solution, produce yellow compound, at the 420nm place, absorption maximum are arranged.
During concrete operations, be also at first to prepare classes of agents:
Detect reagent I: the sulfaminic acid ammonium salt solution, take the 1-4g Amcide Ammate, dissolving and dilute with the 10%-40% acetic acid solution is 100ml.Detect reagent II: the thymol ethanolic solution, take the 0.1-0.7g thymol, be dissolved in absolute ethyl alcohol and be diluted to 100ml.Detect reagent III: the silver sulfate sulfuric acid solution, take the 0.5-1.5g silver sulfate and be dissolved in the 100ml concentrated sulphuric acid, shake up.
Then, can carry out concrete testing process with reference to following determination step:
A. in one group of 5 50ml color comparison tube, add respectively 0,0.2,0.4,0.8ml nitrate nitrogen standard solution (or detecting sample), add pure water and be diluted to 1.0ml.Add 0-1 ml and detect reagent I, place 5min.
B. from managing central authorities, add 0-1 ml detection reagent II(not make to flow down along tube wall), add 1-5 ml and detect reagent III, mix, place 5min.
C. add 5-10 ml pure water, after mixing, add that strong aqua to the yellow occurred is no longer deepened and till silver nitride precipitation dissolves.
D. at wavelength 420nm place, with light path 10mm colorimetric pool 52 (G), take pure water as reference, measure absorbance.
By the absorbance recorded, after deducting the absorbance of reference water sample, obtain proofreading and correct absorbance, by drawing with nitrate nitrogen content (μ g), the calibration curve of proofreading and correct absorbance is checked in to sample concentration.Record result as follows:
| Nitrate (ug/ml) | 0 | 10 | 20 | 40 |
| Response | 18936 | 18862 | 18792 | 18685 |
During detection, answer points for attention to be:
1. due to dangerous chemicals in this experiment, while doing experiment, should carry out related measure.
2. often carry out a step experiment, should make as far as possible solution mix.
3. while adding strong aqua, have boiling phenomenon, should shake up as early as possible again and slowly drip.This is committed step.
To sum up, the utility model comprises central processing unit and a plurality of measuring ability module, can detect oxidisability, hardenability, salinity of temperature, the water of pH value, the water of content, the water of each Heavy Metallic Elements in water etc. simultaneously, and adopt the cold lamp of LED as light source, light source stability is good, long service life.Visible, the utility model is the water quality detection instrument gathered multi-function in integral whole, and complete machine adopts the CPU centralized intelligence to control, and can, the data persistence detected in storer, also can connect and be saved on computer by interface circuit.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not break away from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrate, and is not only.All in the utility model scope or the change be equal in scope of the present utility model all be included in the utility model.
Claims (5)
1. a multi-parameter water quality detector, is characterized in that, comprising:
Heavy metal Photoelectric Detection module, detect the contained different heavy metals of water quality for utilizing Different lightwave;
The PH probe, for detection of the pH value of water quality;
The ORP probe, for detection of the oxidisability of water;
The conductance electrode probe, for detection of hardenability and the salinity of water;
Temp probe, for detection of the temperature of water;
Central processing unit, be connected with described heavy metal Photoelectric Detection module, PH probe, ORP probe, conductance electrode probe, temp probe, for sending the every detected parameters that detects instruction water quality treatment;
Storer, be connected with described central processing unit, for storing every detected parameters of water quality;
Input/output module, be connected with described central processing unit, for input operation instruction and output operational factor;
Power supply, at least be connected with described central processing unit, for working power is provided.
2. multi-parameter water quality detector according to claim 1, is characterized in that, described input/output module comprises:
Keyboard, be connected with described central processing unit, for the input operation instruction;
Liquid crystal display, be connected with described central processing unit, for display operation instruction and testing result.
3. multi-parameter water quality detector according to claim 1, is characterized in that, described heavy metal Photoelectric Detection module comprises:
Light source, be distributed in different sense channels, and correspondingly send the light wave of different wave length;
Colorimetric pool, for packing into containing the water to be detected of heavy metal, and corresponding with described light source, so that water to be detected absorbs the light wave of different wave length;
Photoelectric sensor, be connected with described central processing unit and corresponding with described colorimetric pool, for detection of the light wave that sees through water to be detected and be converted to the electric signal that is delivered to described central processing unit.
4. multi-parameter water quality detector according to claim 3, is characterized in that, described light source is LED.
5. multi-parameter water quality detector according to claim 1, is characterized in that, described storer is USB flash disk.
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| CN201320463215.8U CN203376309U (en) | 2013-07-31 | 2013-07-31 | Multi-parameter water quality detector |
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| CN201320463215.8U CN203376309U (en) | 2013-07-31 | 2013-07-31 | Multi-parameter water quality detector |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983585A (en) * | 2014-06-06 | 2014-08-13 | 力合科技（湖南）股份有限公司 | Multi-parameter water quality analyzer |
| CN104101722A (en) * | 2014-07-15 | 2014-10-15 | 广州特种承压设备检测研究院 | Multi-object continuous automatic analysis device and method for industrial boiler water quality detection |
| CN104155421A (en) * | 2013-07-31 | 2014-11-19 | 厦门百谷生物工程有限公司 | Multi-parameter water quality detector |
| CN105181921A (en) * | 2015-09-02 | 2015-12-23 | 启东市久新印染有限公司 | Water quality monitoring system |
| CN105954483A (en) * | 2016-04-28 | 2016-09-21 | 无锡昊瑜节能环保设备有限公司 | Multi-parameter water quality monitoring system |
-
2013
- 2013-07-31 CN CN201320463215.8U patent/CN203376309U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155421A (en) * | 2013-07-31 | 2014-11-19 | 厦门百谷生物工程有限公司 | Multi-parameter water quality detector |
| CN103983585A (en) * | 2014-06-06 | 2014-08-13 | 力合科技（湖南）股份有限公司 | Multi-parameter water quality analyzer |
| CN104101722A (en) * | 2014-07-15 | 2014-10-15 | 广州特种承压设备检测研究院 | Multi-object continuous automatic analysis device and method for industrial boiler water quality detection |
| CN104101722B (en) * | 2014-07-15 | 2015-09-30 | 广州特种承压设备检测研究院 | Entry automatic continuous analysis device and analytical approach thereof in Industrial Boiler water quality detection |
| WO2016008369A1 (en) * | 2014-07-15 | 2016-01-21 | 广州特种承压设备检测研究院 | Multiple item continuous automatic analysis apparatus for industrial boiler water quality testing and analysis method therefor |
| CN105181921A (en) * | 2015-09-02 | 2015-12-23 | 启东市久新印染有限公司 | Water quality monitoring system |
| CN105954483A (en) * | 2016-04-28 | 2016-09-21 | 无锡昊瑜节能环保设备有限公司 | Multi-parameter water quality monitoring system |
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Granted publication date: 20140101 Termination date: 20200731 |
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