CN205720196U - Multi-parameter water quality detecting system - Google Patents
Multi-parameter water quality detecting system Download PDFInfo
- Publication number
- CN205720196U CN205720196U CN201620174127.XU CN201620174127U CN205720196U CN 205720196 U CN205720196 U CN 205720196U CN 201620174127 U CN201620174127 U CN 201620174127U CN 205720196 U CN205720196 U CN 205720196U
- Authority
- CN
- China
- Prior art keywords
- solution
- unit
- acid
- turbidity
- electrical conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a kind of multi-parameter water quality detecting system, system comprises data analysis module and several data acquisition modules；Data acquisition module comprises acquisition controlling unit, solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem and the first communication unit；Data analysis module comprises data analysis control unit, the second communication unit, display unit and memory element；Acquisition controlling unit is for sending the solution temperature collected, acid-base value, turbidity, electrical conductivity to the second communication unit by the first communication unit；Data analysis control unit stores to memory element for the solution temperature received by the second communication unit, acid-base value, turbidity, electrical conductivity, the water grade of analytical solution, and control display unit display solution temperature, acid-base value, turbidity, electrical conductivity and water grade.This utility model low cost, multiparameter, cost performance is high.
Description
Technical field
This utility model relates to fields of measurement, particularly relates to a kind of multi-parameter water quality detecting system.
Background technology
The research starting of external water quality detection instrument relatively early, is initially mainly used in field of Environment Protection, played an important role in Practical Project and management, have received huge benefit.At 20 century 70s, oneself has Portable water-quality analysis instrument to sell in the state such as American-European and Japanese, but broadly falls into instantaneous measurement instrument, and continuous multiparameter water quality analyzer began to use the eighties in 20th century.In the last few years along with the fast development of electronics industry, occurring in that large quantities of multi-parameter water quality detecting instrument, detector detectable parameter is also being on the increase.
Elemtron company of Poland devises the water proof type multi-parameter water quality detector CX-401 that can connect computer or printer, can simultaneously pH value determination, electrical conductivity, these parameters of dissolved oxygen.This apparatus measures is easy, in indoor or can work out of doors for a long time, and detection parameter is relatively fewer.
Germany is proposed the online multi-parameter water-quality test system that model is IQ Sensor Net in recent years, and this cover system can test the parameters such as PH, temperature, dissolved oxygen, conductance, turbidity, total suspended solid concentration, ammonia nitrogen, nitrate anion (N03), COD (COD), total carbon (TOC), Biochemical oxygen demand (BOD).But this instrument system is very big, it is not easy to outdoor Site Detection.
Compared with abroad, research in terms of China's Water quality detected instrument is started late with production, to the end of the eighties, the technology path of the Water quality detected of China is main still based on hand sampling test in laboratory, the instrument formed also is mainly laboratory analytical instrument and part semi-automated analysis instrument, the most progressively starts to move towards the semi-automatic off-line system stage from hand sampling, lab analysis stage after the mid-90.So far, domestic manufacturer's research and produce Water Test Kits in the majority of single or less parameters, China's domestic water quality detection develops quickly in recent years, produces many water quality detection products, but it cuts both ways.
Central China University of Science and Technology's green technology institute Recent study have developed MPT-201 type Portable, multiple parameter Water Test Kits based on photoelectro-colorimetric analysis principle, and this instrument can detect COD, turbidity, can survey parameter few.
Industrial type micro-computer type acid-base value (pH)/dissolved oxygen/temperature controller that model is 6309PDT is designed in Shanghai.Can measure simultaneously and control acid-base value, dissolved oxygen and temperature.Its temperature, measurement wider range of pH value, pH value is-2.00～16.00, but can not detect COD and turbidity simultaneously.
The 5B-3B type COD multi-parameter that Beijing company produces, can measure COD, ammonia nitrogen, total phosphorus, turbidity, and its measurement range is 2～5000mg/L, but can not detect pH value, temperature etc. simultaneously.
The SWA-2000 Portable water quality monitoring system that Zhejiang produces can realize the COD concentration in continuous on-line monitoring water body, pH value, electrical conductivity, turbidity etc., and effectively manages the data measured.But this detecting system is easily subject to the impact of ambient temperature.
External detection equipment General System is huge, on the high side, and domestic on-line monitoring analysis meter variety protection is single, is easily affected by ambient temperature.
And the common issue of current all water quality testing meters is that the level of informatization is the highest, combination rare with the Internet.
Utility model content
Technical problem to be solved in the utility model is for defect involved in background technology, it is provided that a kind of multi-parameter water quality detecting system.
This utility model is for solving above-mentioned technical problem by the following technical solutions:
Multi-parameter water quality detecting system, comprises data analysis module and several data acquisition modules；
Described data acquisition module comprises acquisition controlling unit, solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem and the first communication unit, wherein, acquisition controlling unit is electrically connected with solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem, the first communication unit respectively；
Described data analysis module comprises data analysis control unit, the second communication unit, display unit and memory element, and wherein, data analysis control unit respectively with the second communication unit, display unit, memory element are electrically connected；
Described acquisition controlling unit is for sending the solution temperature collected, acid-base value, turbidity, electrical conductivity to the second communication unit by the first communication unit；
Described data analysis control unit stores to memory element for the solution temperature received by the second communication unit, acid-base value, turbidity, electrical conductivity, and controls display unit display solution temperature, acid-base value, turbidity, electrical conductivity.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described solution temperature measuring unit uses DS18B20 temperature sensor chip.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described solution acid alkalinity measuring unit comprises acid-base value electrode and acid-base value modulate circuit, and described acid-base value electrode is connected with described acquisition controlling unit by acid-base value modulate circuit.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described acid-base value electrode uses thunder magnetic E-201-C electrode.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described solution turbidity measuring unit comprises turbidity transducer and turbidity modulate circuit, and described turbidity transducer is connected with described acquisition controlling unit by turbidity modulate circuit.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described electrical conductivity of solution measuring unit comprises conductivity electrode and electrical conductivity modulate circuit two parts, and described conductivity electrode is connected with described acquisition controlling unit by electrical conductivity modulate circuit.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, described conductivity electrode uses thunder magnetic DJS-10E electrode.
As this utility model further prioritization scheme of multi-parameter water quality detecting system, acquisition controlling unit uses mixed-signal processor MSP430F5529.
This utility model uses above technical scheme compared with prior art, has following technical effect that
1. the temperature of pair water, acid-base value, turbidity, the detection of these four water quality core parameters of electrical conductivity, obtain the quality condition of water-outlet body, for water resource planning, manage, develop, utilize and water prevention and cure of pollution provide scientific basis；
2. crossing over the restriction of hardware platform, method can use on multiple acquisition controlling unit, platform.
Accompanying drawing explanation
Fig. 1 is data acquisition module block structural diagram；
Fig. 2 is data analysis module structure chart；
Fig. 3 is pH modulate circuit circuit diagram；
Fig. 4 is electrical conductivity measurement circuit circuit diagram；
Fig. 5 is acquisition controlling unit software flow schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail:
The utility model discloses a kind of multi-parameter water quality detecting system, comprise data analysis module and several data acquisition modules；
As shown in Figure 1, described data acquisition module comprises acquisition controlling unit, solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem and the first communication unit, wherein, acquisition controlling unit is electrically connected with solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem, the first communication unit respectively；
As in figure 2 it is shown, described data analysis module comprises data analysis control unit, the second communication unit, display unit and memory element, wherein, data analysis control unit respectively with the second communication unit, display unit, memory element are electrically connected；
Described acquisition controlling unit is for sending the solution temperature collected, acid-base value, turbidity, electrical conductivity to the second communication unit by the first communication unit；
Described data analysis control unit stores to memory element for the solution temperature received by the second communication unit, acid-base value, turbidity, electrical conductivity, and controls display unit display solution temperature, acid-base value, turbidity, electrical conductivity.
Solution temperature measurement module uses imported with original packaging DS18B20 temperature sensor chip, and each pin of chip all separates with heat-shrink tube, prevents short circuit, internal sealing, and high-quality stainless steel tube encapsulates.Waterproof, moistureproof, anti-get rusty.Each probe is through strict test.Temperature-sensitive wide ranges-55 DEG C～+125 DEG C, degree of accuracy 0.1 degree Celsius, meet national standard.
DS18B20 has the one-wire interface mode of uniqueness, only needs a Tiaokou line can realize the both-way communication of acquisition controlling unit and DS18B20 when being connected with acquisition controlling unit.
Solution acid alkalinity measurement module includes acid-base value electrode and acid-base value modulate circuit two parts.
Acid-base value electrode uses thunder magnetic E-201-C electrode, and this electrode performance is the most superior.Detectable concentration scope PH0-14, response time≤5S, stabilization time≤60S, element power consumption≤0.5W, operating temperature-10～50 DEG C (nominal temperature 20 DEG C), working relative humidity 95%RH (nominal humidity 65%RH), 3 years service life.
The signal collected by acid-base value electrode passes to PH modulate circuit after capacitor filtering, as shown in Figure 3, owing to acid-base value electrode does not produce voltage when neutral (PH=7), acid-base value electrode produces negative voltage when acid (PH<7), acid-base value electrode produces forward voltage when alkalescence (PH>7), but acquisition controlling unit is only capable of gathering forward voltage, therefore need to a forward bias, herein by fixed value resistance RPH1 and RPH2, voltage stabilizing chip TL431ACD, tetra-components and parts dividing potential drops of adjustable potentiometer RPH5 obtain this forward bias, owing to employing adjustable potentiometer RPH5, according to bleeder circuit feature, the bias voltage being added to amplifier TLC4502 pin 3 is adjustable.Theoretical according to us calculates and actual measurement, and we arrange bias voltage is that 1V is many, and is adjustable so that the voltage corresponding to all acid-base value is all positive voltage.Simultaneously, the signal of telecommunication produced due to acid-base value electrode is fainter, at several millivolts to tens millivolts, the least signal of acquisition controlling unit collection can produce the biggest error (relative error is bigger), so needing amplifier to be amplified, the design uses TLC4502 to be amplified, and final signal said that the AD sending into acquisition controlling unit gathered pin.
Solution turbidity measurement module includes turbidity transducer and turbidity modulate circuit two parts.
< 500ms, operates temperature-30 DEG C 80 DEG C to solution turbidity sensor response time, stores temperature-10 80 DEG C.Ultimate principle is a light emitting diode in luminescence, light by one section of liquid and reflect, refraction effect, place a photoconductive resistance light emitting diode one segment distance is other.When solution is muddy, and many light of diode emitter are all reflected, reflect, and the light arriving photoconductive resistance is less, and photoconductive resistance resistance is relatively big, and after energising, voltage thereon is bigger；When solution is as clear as crystal, the small part light of diode emitter is all reflected, is reflected, and the light arriving photoconductive resistance is more, and photoconductive resistance resistance is less, and after energising, voltage thereon is less.We learn the muddy degree of solution by gathering different voltage.
Solution turbidity modulate circuit is mainly transformed to meet the voltage of acquisition controlling unit A/D voltage acquisition scope by not gathering the turbidity transducer output voltage of voltage range at acquisition controlling unit.
Electrical conductivity of solution measurement module includes conductivity electrode and electrical conductivity measurement circuit two parts.
Conductivity electrode uses thunder magnetic DJS-10E electrode, and this electrode performance is superior, and reliability is high.
Conductivity electrode is passive device, needs outside to excitation.As shown in Figure 4, Waveform generating circuit core uses the AD9833 of ADI company.The square wave that acquisition controlling unit produces is as the system clock (reference clock) of AD9833.Mixed signal acquisition controlling unit MSP430F5529 is by SCLK, and SDATA, FSYNC pin, to AD9833 writing commands word, obtains the sine wave of our needs as excitation.
The design uses frequency variation method to measure the electrical conductivity of water body.Frequency variation method is after conductance cell equivalent circuit is carried out extreme facility, can obtain parallel model and series model.From Theoretical Calculation, double frequency (or frequency conversion) can eliminate the impact of electric capacity.The design chooses the double polarity sine ripple of 500Hz and 1000Hz as pumping signal.
The frequency conversion sine wave that AD9833 produces is in conductivity electrode, after the signal of electrode output is by filtering, operational amplifier OPA2704, and the AC signal after being processed.Owing to acquisition controlling unit can only gather the DC voltage of the least scope (0V-2.5V), so need AC signal is transformed to direct current signal herein.In order to improve the precision of system, native system design is selected the real effective chip AD637 of ADI company.Allowing AC signal pass through AD637 chip, AC signal is changed into the direct current virtual value signal of its correspondence, direct current now is given to the A/D of acquisition controlling unit and gathers port, carries out RESPONSE CALCULATION, obtain final water body conductivity value after acquisition controlling unit collection.
Acquisition controlling unit uses the mixed-signal processor MSP430F5529 of TI company, and this processor provides abundant built in hardware module and good processor performance.The most prominent feature of this single-chip microcomputer is low-voltage, low-power consumption, it is adaptable to the occasion of low-power consumption demand.About Single Chip Microcomputer (SCM) program, such as Fig. 5, start preprocessor starts to perform from main program instructions, complete corresponding function of initializing, show starting-up interface simultaneously, after system initialization completes, enter main interface, processor cuts out and enters low-power consumption mode, and interrupt event to be had (user instruction) rear restarts to run.User instruction enters again closed mode after completing, and goes round and begins again, thus completes whole system task.
Power subsystem employs power management chip and+12V ,-12V common voltage is changed into+3.3V ,+4.1V ,+5V etc. for each components and parts.
First communication unit includes SIM900A chip and antenna, acquisition controlling unit by SIM900A send instruction, and water quality data is sent to SIM900A, SIM900A receive instruction and water quality data after, by antenna, water quality data is sent.
Data, by after data receiver, under the control of data analysis control unit, are stored in memory element by the second communication unit.
Data analysis control unit is except being controlled the second communication unit, memory element, display unit, it is also possible to water quality data carries out intelligence grading, and the method for grading is SJ water quality ranking method.SJ water quality ranking method, for the grading of water quality condition, has the feature such as versatility, comprehensive, popularity.This method take into account measure the item kind, measures the many aspects such as item quantity, measure the item concentration, and allows some parameters of User Defined (threshold value), in order to adapt to the water quality evaluation and test of different occasion.Method comprehensively above four parts, provide Water Quality Evaluation result.
Water quality ranking method can use following steps:
Step 1), the solution temperature collected is compared with the standard temperature preset；
Step 1.1), if the solution temperature collected is equal to the standard temperature preset, then the temperature coefficient value of solution is entered as 0；
Step 1.2), if the solution temperature collected is not equal to the standard temperature preset；
Step 1.2.1), take absolute value after the solution temperature collected is deducted default standard temperature, and by this absolute value divided by default temperature mark value, obtain the temperature error multiple of solution；
Step 1.2.2), the temperature error multiple of solution is compared with the first default temperature multiple threshold value, the second default temperature multiple threshold value respectively, described the first default temperature multiple threshold value is less than the second temperature multiple threshold value preset；
Step 1.2.2.1), if the temperature error multiple of solution is less than or equal to the first temperature multiple threshold value preset, the temperature coefficient value of solution is entered as 1；
Step 1.2.2.2), if the temperature error multiple of solution is less than the second temperature multiple threshold value preset more than the first temperature multiple threshold value preset, the temperature coefficient value of solution is entered as 5；
Step 1.2.2.3), if the temperature error multiple of solution is more than the second temperature multiple threshold value preset, the temperature coefficient value of solution is entered as 9；
Step 2), the solution acid alkalinity collected is compared with the acid-base value standard value preset；
Step 2.1), if the solution acid alkalinity collected is equal to the acid-base value standard value preset, then the acid-base value coefficient value of solution is entered as 0；
Step 2.2), if the solution acid alkalinity collected is not equal to the acid-base value standard value preset；
Step 2.2.1), take absolute value after the solution acid alkalinity collected is deducted default acid-base value standard value, and by this absolute value divided by default acid-base value mark value, obtain the acid-base value error multiple of solution；
Step 2.2.2), the acid-base value error multiple of solution is compared with the first default acid-base value multiple threshold value, the second default acid-base value multiple threshold value respectively, described the first default acid-base value multiple threshold value is less than the second acid-base value multiple threshold value preset；
Step 2.2.2.1), if the acid-base value error multiple of solution is less than or equal to the first acid-base value multiple threshold value preset, the acid-base value coefficient value of solution is entered as 1；
Step 2.2.2.2), if the acid-base value error multiple of solution is less than the second acid-base value multiple threshold value preset more than the first acid-base value multiple threshold value preset, the acid-base value coefficient value of solution is entered as 5；
Step 2.2.2.3), if the acid-base value error multiple of solution is more than the second acid-base value multiple threshold value preset, the acid-base value coefficient value of solution is entered as 9；
Step 3), the solution turbidity collected is compared with the turbidity standard value preset；
Step 3.1), if the solution turbidity collected is equal to the turbidity standard value preset, then the turbidity coefficient value of solution is entered as 0；
Step 3.2), if the solution turbidity collected is not equal to the turbidity standard value preset；
Step 3.2.1), take absolute value after the solution turbidity collected is deducted default turbidity standard value, and by this absolute value divided by default turbidity mark value, obtain the turbidity error multiple of solution；
Step 3.2.2), the turbidity error multiple of solution is compared with the first default turbidity multiple threshold value, the second default turbidity multiple threshold value respectively, described the first default turbidity multiple threshold value is less than the second turbidity multiple threshold value preset；
Step 3.2.2.1), if the turbidity error multiple of solution is less than or equal to the first turbidity multiple threshold value preset, the turbidity coefficient value of solution is entered as 1；
Step 3.2.2.2), if the turbidity error multiple of solution is less than the second turbidity multiple threshold value preset more than the first turbidity multiple threshold value preset, the turbidity coefficient value of solution is entered as 5；
Step 3.2.2.3), if the turbidity error multiple of solution is more than the second turbidity multiple threshold value preset, the turbidity coefficient value of solution is entered as 9；
Step 4), the electrical conductivity of solution collected is compared with the electrical conductivity standard value preset；
Step 4.1), if the electrical conductivity of solution collected is equal to the electrical conductivity standard value preset, then the electrical conductivity coefficient value of solution is entered as 0；
Step 4.2), if the electrical conductivity of solution collected is not equal to the electrical conductivity standard value preset；
Step 4.2.1), take absolute value after the electrical conductivity of solution collected is deducted default electrical conductivity standard value, and by this absolute value divided by default electrical conductivity mark value, obtain the electrical conductivity error multiple of solution；
Step 4.2.2), the electrical conductivity error multiple of solution is compared with the first default electrical conductivity multiple threshold value, the second default electrical conductivity multiple threshold value respectively, described the first default electrical conductivity multiple threshold value is less than the second electrical conductivity multiple threshold value preset；
Step 4.2.2.1), if the electrical conductivity error multiple of solution is less than or equal to the first electrical conductivity multiple threshold value preset, the electrical conductivity coefficient value of solution is entered as 1；
Step 4.2.2.2), if the electrical conductivity error multiple of solution is less than the second electrical conductivity multiple threshold value preset more than the first electrical conductivity multiple threshold value preset, the electrical conductivity coefficient value of solution is entered as 5；
Step 4.2.2.3), if the electrical conductivity error multiple of solution is more than the second electrical conductivity multiple threshold value preset, the electrical conductivity coefficient value of solution is entered as 9；
Step 5), the temperature coefficient value of solution, acid-base value coefficient value, turbidity coefficient value, electrical conductivity coefficient value are added, obtain the water quality index value of solution；
Step 6), at the water grade that the water quality index pre-build is corresponding with inquiry solution water quality coefficient value in water grade synopsis, obtain the water grade of solution.
Water grade comprises four grades: standard, slight pollution, intermediate pollution and serious pollution.After water analysis, data analysis control unit controls display unit, the water quality data in memorizer and water grade is shown on screen.
In water quality index and water grade synopsis, both contrast relationship are as follows:
| Water quality index value | 0 | 1≤water quality index value≤4 | 5≤water quality index value≤8 | Water quality index value ＞ 8 |
| Water grade | Standard | Slight pollution | Intermediate pollution | Serious pollution |
Those skilled in the art of the present technique it is understood that unless otherwise defined, all terms used herein (including technical term and scientific terminology) have with the those of ordinary skill in this utility model art be commonly understood by identical meaning.Should also be understood that those terms defined in such as general dictionary should be understood that have the meaning consistent with the meaning in the context of prior art, and unless defined as here, will not explain by idealization or the most formal implication.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only detailed description of the invention of the present utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (8)
1. multi-parameter water quality detecting system, it is characterised in that comprise data analysis module and several data acquisition modules；
Described data acquisition module comprises acquisition controlling unit, solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem and the first communication unit, wherein, acquisition controlling unit is electrically connected with solution temperature measuring unit, solution acid alkalinity measuring unit, solution turbidity measuring unit, electrical conductivity of solution measuring unit, power subsystem, the first communication unit respectively；
Described data analysis module comprises data analysis control unit, the second communication unit, display unit and memory element, and wherein, data analysis control unit respectively with the second communication unit, display unit, memory element are electrically connected；
Described acquisition controlling unit is for sending the solution temperature collected, acid-base value, turbidity, electrical conductivity to the second communication unit by the first communication unit；
Described data analysis control unit stores to memory element for the solution temperature received by the second communication unit, acid-base value, turbidity, electrical conductivity, and controls display unit display solution temperature, acid-base value, turbidity, electrical conductivity.
Multi-parameter water quality detecting system the most according to claim 1, it is characterised in that described solution temperature measuring unit uses DS18B20 temperature sensor chip.
Multi-parameter water quality detecting system the most according to claim 1, it is characterised in that described solution acid alkalinity measuring unit comprises acid-base value electrode and acid-base value modulate circuit, described acid-base value electrode is connected with described acquisition controlling unit by acid-base value modulate circuit.
Multi-parameter water quality detecting system the most according to claim 3, it is characterised in that described acid-base value electrode uses thunder magnetic E-201-C electrode.
Multi-parameter water quality detecting system the most according to claim 1, it is characterised in that described solution turbidity measuring unit comprises turbidity transducer and turbidity modulate circuit, described turbidity transducer is connected with described acquisition controlling unit by turbidity modulate circuit.
Multi-parameter water quality detecting system the most according to claim 1, it is characterized in that, described electrical conductivity of solution measuring unit comprises conductivity electrode and electrical conductivity modulate circuit two parts, and described conductivity electrode is connected with described acquisition controlling unit by electrical conductivity modulate circuit.
Multi-parameter water quality detecting system the most according to claim 6, it is characterised in that described conductivity electrode uses thunder magnetic DJS-10E electrode.
Multi-parameter water quality detecting system the most according to claim 1, it is characterised in that acquisition controlling unit uses mixed-signal processor MSP430F5529.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620174127.XU CN205720196U (en) | 2016-03-07 | 2016-03-07 | Multi-parameter water quality detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620174127.XU CN205720196U (en) | 2016-03-07 | 2016-03-07 | Multi-parameter water quality detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205720196U true CN205720196U (en) | 2016-11-23 |
Family
ID=57334278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620174127.XU Expired - Fee Related CN205720196U (en) | 2016-03-07 | 2016-03-07 | Multi-parameter water quality detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205720196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699616A (en) * | 2016-03-07 | 2016-06-22 | 南京航空航天大学 | Multi-parameter water quality detecting and rating system and water quality rating method based on same |
| CN111033253A (en) * | 2017-11-20 | 2020-04-17 | 三菱日立电力系统株式会社 | Water quality diagnosis system, power station, and water quality diagnosis method |
-
2016
- 2016-03-07 CN CN201620174127.XU patent/CN205720196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699616A (en) * | 2016-03-07 | 2016-06-22 | 南京航空航天大学 | Multi-parameter water quality detecting and rating system and water quality rating method based on same |
| CN111033253A (en) * | 2017-11-20 | 2020-04-17 | 三菱日立电力系统株式会社 | Water quality diagnosis system, power station, and water quality diagnosis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105699616A (en) | Multi-parameter water quality detecting and rating system and water quality rating method based on same | |
| CN103983758B (en) | Portable automobile machine oil device for detecting performance and method | |
| CN101556240B (en) | Chlorophyll measuring apparatus based on RGB (red, green and blue) three-primary colors digital signals | |
| CN104122376A (en) | Multi-parameter water quality analyzer | |
| CN201984116U (en) | Comprehensive evaluating device of sulfur hexafluoride electrical equipment | |
| CN104034670A (en) | Dual-index water quality on-line analysis method and apparatus for simultaneous determination of COD and ammonia nitrogen | |
| CN105092528A (en) | Method for identifying honey quality through physical and chemical indexes and electronic nose technology | |
| CN204758596U (en) | Dissolved gas content dynamic calibration system among transformer oil | |
| CN101556245B (en) | Chlorophyll measurement method based on RGB digital signal | |
| CN104316112A (en) | Detector for multiple types of gas | |
| CN205720196U (en) | Multi-parameter water quality detecting system | |
| CN105738438A (en) | Instrument and method for fast detecting bicarbonate radical and carbonate radical in water through double-electrode method | |
| CN204479564U (en) | Based on the semisubmersible Water Test Kits of wireless telecommunications | |
| CN101650359A (en) | Coal caloric value soft measuring method based on knowledge fusion machine learning algorithm | |
| CN106053545A (en) | Conductivity analyzer system and control method thereof | |
| CN102680544A (en) | Multi-parameter boiler water quality analysis method based on flow injection | |
| Song et al. | Design of turbidity remote monitoring system based on fx-11a optical fiber sensor | |
| CN104458870A (en) | Heavy metal ion concentration automatic detection system | |
| CN204347631U (en) | Based on the tank level control system of fuzzy | |
| CN204202650U (en) | Multiple-gas detector | |
| CN207515834U (en) | A kind of air quality detection system based on multi-sensor information fusion | |
| CN206960462U (en) | A kind of seawater quality optics on-line monitoring system | |
| CN201449390U (en) | Crude oil water-bearing detection apparatus | |
| CN201622258U (en) | Automatic oil gas concentration detector | |
| CN105115885B (en) | A kind of portable ground net corrosion condition monitoring system and monitoring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20161123 |