CN107727695A - Laboratory water quality automatic monitoring system - Google Patents
Laboratory water quality automatic monitoring system Download PDFInfo
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- CN107727695A CN107727695A CN201711112908.1A CN201711112908A CN107727695A CN 107727695 A CN107727695 A CN 107727695A CN 201711112908 A CN201711112908 A CN 201711112908A CN 107727695 A CN107727695 A CN 107727695A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 46
- 239000000523 sample Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 11
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 102100023661 Coiled-coil domain-containing protein 115 Human genes 0.000 description 1
- 101710155594 Coiled-coil domain-containing protein 115 Proteins 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- 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
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- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses an automatic laboratory water quality monitoring system which comprises a wireless transmission module, a remote terminal, an alarm circuit and a plurality of detection devices applied to a water supply system, wherein the water supply system comprises a water supply end and a plurality of water using ends; the detection equipment is connected with the remote terminal through the wireless transmission module and is also connected with the alarm circuit. The invention has simple structure, can automatically monitor the water quality condition in real time and all weather through the detection equipment, and can automatically record and export the detection result in time to report to the remote terminal.
Description
Technical field
The present invention relates to water quality inspection technique, more particularly to a kind of laboratory automatic water quality monitoring system.
Background technology
The routine work of clinical labororatory, such as：The washing of instrument, glassware, the redissolution of dried frozen aquatic products, the dilution of sample,
Preparation of reagent etc., it is required for using purified water.Therefore, the quality of clinical labororatory's water and the close phase of clinical detection quality
Close.
Water quality is divided into one-level water, two level water and tertiary effluent by clinical labororatory.One-level water is to be ideally suited for usual mesh
Use for laboratory water, current water purification technique can be used to produce.Assay method for needing minimal level of interference, or not
It can confirm or infer to use when whether low-purity water has assay method interference.Two level water is used for common detection methods, especially suitable
For by microorganism, low-resistivity and the small method of testing of Effects of Silicate.Tertiary effluent is used for the prewashing of glassware, last
Rinse water rank should be adapted to the application target of glassware.Tertiary effluent is also serving as producing the raw water of high rank water.
Laboratory risk management has been increasingly becoming a new problem of clinical labororatory's management, and pure water is much to test
Essential medium in journey, so use for laboratory water is one of important step of laboratory risk management, it is necessary in experiment
An important factor for control.The annual testing number in U.S. laboratory is mentioned in the white paper of the quality committee of the U.S. in 2003 more than 70
Hundred million, the influence that the examining report in laboratory determines to clinic alreadys exceed 70%, it is seen that the accuracy of experimental result is extremely important.
But it is difficult to assess that the ratio of diagnostic error is for current detection, the error rate in laboratory is very high, it was reported that
1 laboratory mistake may occur in per 300-1000 events, might have 1 patient in every 900-2074 patient runs into reality
1 laboratory mistake may be occurred by testing in room mistake, or every 214-8316 laboratory test results.Laboratory is to water quality requirement
More and more higher, if once water quality goes wrong, it is likely that cause the failure entirely tested, risk is carried out to water quality before experiment
Assessment is an important option.
Laboratory water quality detection should at least include resistivity/conductivity, and the detection of this index often manually passes through
The water quality testing meter of monomer is detected to use for laboratory water, it is necessary to manually detect, it is impossible to is realized monitoring in real time, is expended people
Power and time, reaction mechanism are slow, it is impossible to give warning in advance, measurement result is recorded by paper, notes, the risk miscopied, lost be present, and
And measurement result is unable to automatic remote transmission.And use for laboratory water may relate to multistage water, supply water, it is impossible to find certain in time
The monitoring problem of one test point, it is difficult that analysis finds that the water quality of specifically which section feed pipe is asked when water quality goes wrong
Topic.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of laboratory water quality resistivity/conductance
Rate automatic monitoring system, it can be simple in construction, it is possible to achieve early warning and remote real time monitoring to water quality.
The purpose of the present invention is realized using following technical scheme：
A kind of laboratory automatic water quality monitoring system, including wireless transport module, remote terminal, warning circuit, several
Applied to the detection device of water system, the water system includes water supply end and multiple uses water end (W.E.), the detection device application
In water supply end water end (W.E.) is used with each；Detection device is connected by wireless transport module with remote terminal, and detection device is also connected with
Warning circuit.
Preferably, the wireless transport module is WIFI module.
Preferably, the model WF1001 of the WIFI module.
Preferably, the detection device include detection circuit, to detection circuit power supply power circuit, be placed in water and
The metal probe being connected with detection circuit, detection circuit connect warning circuit and wireless transport module respectively.
Preferably, the metal probe is PH electrodes, and the quantity of PH electrodes is two panels.
Preferably, the power circuit includes electric capacity C1 to electric capacity C7, inductance L1, diode D1, power supply chip U1, electric capacity
The input of C1 one end, electric capacity C2 one end and power supply chip U1 is all connected with power interface, electric capacity the C1 other end and electric capacity
C2 other end ground connection；Diode D1 negative pole and inductance L1 one end are all connected with power supply chip U1 output end, electric capacity C3 mono-
End, electric capacity C4 one end, electric capacity C5 one end, electric capacity C6 one end, electric capacity C7 one end and inductance the L1 other end are all connected with
Power supply chip U1 feedback end, power supply chip U1 ground terminal ground connection；Inductance L1 other end connection detection circuit.
Preferably, the water quality detection circuit includes resistance R1 to resistance R8, adjustable resistance R9, light emitting diode D2, hair
Optical diode D3, diode D4, triode Q1 to triode Q3 and single-chip microcomputer；Resistance R1 one end and resistance R2 one end connect
Connect triode Q1 colelctor electrode, the signal receiving end of resistance R2 other end connection single-chip microcomputer, resistance R1 other end connection hair
Optical diode D2 negative pole, the light emitting diode D2 positive pole connection inductance L1 other end；Triode Q1 grounded emitter, three
Pole pipe Q1 base stage connection resistance R5 one end, the resistance R5 other end, resistance R6 one end, resistance R3 one end are all connected with three
Pole pipe Q2 colelctor electrode, the control terminal of resistance R6 other end connection single-chip microcomputer, resistance R3 other end connecting luminous diode
D3 negative pole, the light emitting diode D3 positive pole connection inductance L1 other end；Triode Q2 grounded emitter, triode Q2's
Base stage and resistance R4 one end are all connected with triode Q3 colelctor electrode, the resistance R4 other end connection inductance L1 other end；Three
Pole pipe Q3 base stage connection diode D4 negative pole, diode D4 positive pole pass through the wherein a piece of PH electrodes of resistance R7 connections, electricity
Resistance R8 one end is connected between PH electrodes and resistance R7, resistance R8 other end connection adjustable resistance R9 one end, adjustable electric
The sliding end and the other end, triode Q3 emitter stage for hindering R9 are grounded；The signal transmitting and receiving end connection of single-chip microcomputer is wirelessly transferred mould
Block, the warning end connection warning circuit of single-chip microcomputer.
Preferably, the warning circuit includes resistance R10, resistance R11, diode D5, electric capacity C8, triode Q4 and buzzing
Device LS1；The warning end of resistance R10 one end connection single-chip microcomputer, the resistance R10 other end and resistance R11 one end are all connected with three
Pole pipe Q4 base stage, triode Q4 emitter stage and resistance R11 other end ground connection, triode Q4 colelctor electrode and diode D5
Positive pole be all connected with buzzer LS1 positive pole, electric capacity C8 one end, diode D5 negative pole are all connected with the negative pole of buzzer, electricity
The one end for holding C8 is also connected with the inductance L1 other end.
Compared with prior art, the beneficial effects of the present invention are：
The present invention it is simple in construction, by detection device can automatically in real time round-the-clock monitoring water quality situation, can remember automatically
Record and export testing result reports to remote terminal in time.
Brief description of the drawings
Fig. 1 is a kind of module map of laboratory automatic water quality monitoring system of the present invention；
Fig. 2 is the circuit construction of electric power figure of the present invention；
Fig. 3 is detection circuit, the structure chart of warning circuit of the present invention.
Embodiment
Below, with reference to accompanying drawing and embodiment, the present invention is described further：
The present invention provides a kind of laboratory automatic water quality monitoring system, and it includes wireless transport module, remote terminal, alarm
Circuit, several be applied to the detection device of water system, the water system includes water supply end and multiple uses water end (W.E.), such as Fig. 1
Shown, water supply end typically refers to watering, general only one, can include multistage water end (W.E.) with water end (W.E.), per one-level water end (W.E.)
Again water end (W.E.) is used with multiple.Detection device is applied to water supply end and each uses water end (W.E.)；Detection device passes through wireless transport module
It is connected with remote terminal, detection device is also connected with warning circuit.During work, detection device carries out high precision monitor to water quality, and
Testing result is reported into remote terminal by wireless network in real time, realizes round-the-clock long-range monitoring.The one of wireless transport module
It can carry out short message communication that kind embodiment, which is, when beyond threshold value, be alarmed by warning circuit, it can in addition contain logical
Cross wireless transport module and send short message to remote terminal, realize SMS alarm.Remote terminal example can be that PC ends or smart mobile phone are whole
End, can be monitored in real time with remote mobile.
Above-mentioned wireless transport module is WIFI module, nowadays WIFI module has all been popularized in many equipment, using wide,
The execution of the system is more convenient using WIFI module.Further, the model of WIFI module is preferably but not limited to as WF1001.
Detection device in the present invention include detection circuit, the power circuit to detection circuit power supply, be placed in water and
The metal probe being connected with detection circuit, detection circuit connect warning circuit and wireless transport module respectively.
As preferred embodiment, metal probe is PH electrodes, and the quantity of PH electrodes is two panels.So this programme
In, really the pH value of water quality is detected.
Further, as shown in Fig. 2 power circuit includes electric capacity C1 to electric capacity C7, inductance L1, diode D1, power supply core
The input V of piece U1, electric capacity C1 one end, electric capacity C2 one end and power supply chip U1 is all connected with power interface J1, electric capacity C1's
The other end and electric capacity the C2 other end are grounded；Diode D1 negative pole and inductance L1 one end are all connected with power supply chip U1 output
Hold O, electric capacity C3 one end, electric capacity C4 one end, electric capacity C5 one end, electric capacity C6 one end, electric capacity C7 one end and inductance L1
The other end is all connected with power supply chip U1 feedback end F, power supply chip U1 ground terminal G ground connection；Inductance L1 other end connecting detection
Circuit.
Power circuit primarily serve for whole system power supply effect, power interface connection outside power supply, its power supply core
The power supply of outside is carried out being converted to 5V direct currents by piece U1.
As shown in figure 3, water quality detection circuit includes resistance R1 to resistance R8, adjustable resistance R9, light emitting diode D2, luminous
Diode D3, diode D4, triode Q1 to triode Q3 and single-chip microcomputer U2；Resistance R1 one end and resistance R2 one end connect
Triode Q1 colelctor electrode, resistance R2 other end connection single-chip microcomputer U2 signal receiving end ECI are connect, the resistance R1 other end connects
Sending and receiving optical diode D2 negative pole, the light emitting diode D2 positive pole connection inductance L1 other end；Triode Q1 emitter stage connects
Ground, triode Q1 base stage connection resistance R5 one end, the resistance R5 other end, resistance R6 one end, resistance R3 one end are equal
Connecting triode Q2 colelctor electrode, resistance R6 other end connection single-chip microcomputer U2 control terminal CCP0, the resistance R3 other end connect
Sending and receiving optical diode D3 negative pole, the light emitting diode D3 positive pole connection inductance L1 other end；Triode Q2 emitter stage connects
Ground, triode Q2 base stage and resistance R4 one end are all connected with triode Q3 colelctor electrode, resistance R4 other end connection inductance
The L1 other end；Triode Q3 base stage connection diode D4 negative pole, diode D4 positive pole by resistance R7 connections wherein
A piece of PH electrodes, resistance R8 one end are connected between PH electrodes P1 and resistance R7, resistance R8 other end connection adjustable resistance
R9 one end, adjustable resistance R9 sliding end and the other end, triode Q3 emitter stage are grounded；Single-chip microcomputer U2 signal transmitting and receiving
Hold CCP1 connection wireless transport modules, single-chip microcomputer U2 warning end TXD connection warning circuits.
Warning circuit includes resistance R10, resistance R11, diode D5, electric capacity C8, triode Q4 and buzzer LS1；Resistance
The warning end of R10 one end connection single-chip microcomputer, the resistance R10 other end and resistance R11 one end are all connected with triode Q4 base
Pole, triode Q4 emitter stage and resistance R11 other end ground connection, triode Q4 colelctor electrode and diode D5 positive pole connect
Buzzer LS1 positive pole is connect, electric capacity C8 one end, diode D5 negative pole are all connected with the negative pole of buzzer, electric capacity C8 one end
It is also connected with the inductance L1 other end.
When PH electrodes are put into liquid testing, first a reference voltage, reference electrode and test electrode are provided to PH reference electrodes
Ion exchange is sent with fluid to be measured, voltage difference can be produced between PH test probes and reference electrode, different voltage differences is corresponding not
Same pH value.In the present invention, with the PH electrodes that detection circuit is connected as test probe, another PH electrode is then as reference
Electrode, the output with power supply circuit, that is, inductance L1 other end connection, with 5V voltages as the reference voltage.
Foregoing circuit operation principle is：When two PH electrodes are to stretch into water, voltage constant between two PH electrodes, when
During water degradation, it can cause that electrical conductivity forceful electric power rheology is big, and PH probe resistances diminish, so as to which resistance R8 voltages increase, when more than three
During pole pipe Q3 operating voltage, triode Q3 conductings, anti-phase triode Q2 cut-offs, so as to cause light emitting diode D3 to turn off the light,
Diode D2 bright lights.The change of water quality is may determine that by the light and shade of the light emitting diode of the circuit, by applying potential measurement
Current signal in liquid carries out the measurement of electrical conductivity, and single-chip microcomputer carries out electrical conductivity record according to testing result, preserved, and uploads
To remote terminal.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (8)
1. a kind of laboratory automatic water quality monitoring system, it is characterised in that including wireless transport module, remote terminal, alarm electricity
Road, several be applied to the detection device of water system, the water system includes water supply end and multiple uses water end (W.E.), the detection
Equipment application uses water end (W.E.) in water supply end with each；Detection device is connected by wireless transport module with remote terminal, and detection is set
It is standby to be also connected with warning circuit.
2. laboratory automatic water quality monitoring system as claimed in claim 1, it is characterised in that the wireless transport module is
WIFI module.
3. laboratory automatic water quality monitoring system as claimed in claim 2, it is characterised in that the model of the WIFI module
WF1001。
4. laboratory automatic water quality monitoring system as claimed in claim 1, it is characterised in that the detection device includes detection
Circuit, the power circuit to detection circuit power supply, the metal probe for being placed in water and being connected with detection circuit, detection circuit point
Lian Jie not warning circuit and wireless transport module.
5. laboratory automatic water quality monitoring system as claimed in claim 4, it is characterised in that the metal probe is PH electricity
Pole, and the quantity of PH electrodes is two panels.
6. laboratory as claimed in claim 5 automatic water quality monitoring system, its feature exist, the power circuit includes electric capacity C1
To electric capacity C7, inductance L1, diode D1, power supply chip U1, electric capacity C1 one end, electric capacity C2 one end and power supply chip U1 it is defeated
Enter end and be all connected with power interface, the electric capacity C1 other end and electric capacity C2 other end ground connection；Diode D1 negative pole and inductance L1
One end be all connected with power supply chip U1 output end, electric capacity C3 one end, electric capacity C4 one end, electric capacity C5 one end, electric capacity C6
The other end of one end, electric capacity C7 one end and inductance L1 is all connected with power supply chip U1 feedback end, power supply chip U1 ground termination
Ground；Inductance L1 other end connection detection circuit.
7. laboratory automatic water quality monitoring system as claimed in claim 6, it is characterised in that the water quality detection circuit includes
Resistance R1 to resistance R8, adjustable resistance R9, light emitting diode D2, light emitting diode D3, diode D4, triode Q1 to triode
Q3 and single-chip microcomputer；Resistance R1 one end and resistance R2 one end are all connected with triode Q1 colelctor electrode, and the resistance R2 other end connects
Connect the signal receiving end of single-chip microcomputer, resistance R1 other end connecting luminous diode D2 negative pole, light emitting diode D2 positive pole
Connect the inductance L1 other end；Triode Q1 grounded emitter, triode Q1 base stage connection resistance R5 one end, resistance R5
The other end, resistance R6 one end, resistance R3 one end be all connected with triode Q2 colelctor electrode, resistance R6 other end connection is single
The control terminal of piece machine, resistance R3 other end connecting luminous diode D3 negative pole, light emitting diode D3 positive pole connection inductance
The L1 other end；Triode Q2 grounded emitter, triode Q2 base stage and resistance R4 one end are all connected with triode Q3's
Colelctor electrode, the resistance R4 other end connection inductance L1 other end；Triode Q3 base stage connection diode D4 negative pole, two poles
Pipe D4 positive pole is connected between PH electrodes and resistance R7 by the wherein a piece of PH electrodes of resistance R7 connections, resistance R8 one end,
Resistance R8 other end connection adjustable resistance R9 one end, the transmitting of adjustable resistance R9 sliding end and the other end, triode Q3
Extremely it is grounded；The signal transmitting and receiving end connection wireless transport module of single-chip microcomputer, the warning end connection warning circuit of single-chip microcomputer.
8. laboratory automatic water quality monitoring system as claimed in claim 7, it is characterised in that the warning circuit includes resistance
R10, resistance R11, diode D5, electric capacity C8, triode Q4 and buzzer LS1；The alarm of resistance R10 one end connection single-chip microcomputer
End, the resistance R10 other end and resistance R11 one end are all connected with triode Q4 base stage, triode Q4 emitter stage and resistance
R11 other end ground connection, triode Q4 colelctor electrode and diode D5 positive pole are all connected with buzzer LS1 positive pole, electric capacity C8
One end, diode D5 negative pole be all connected with the negative pole of buzzer, electric capacity C8 one end is also connected with the inductance L1 other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112908.1A CN107727695A (en) | 2017-11-09 | 2017-11-09 | Laboratory water quality automatic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711112908.1A CN107727695A (en) | 2017-11-09 | 2017-11-09 | Laboratory water quality automatic monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727695A true CN107727695A (en) | 2018-02-23 |
Family
ID=61214434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711112908.1A Pending CN107727695A (en) | 2017-11-09 | 2017-11-09 | Laboratory water quality automatic monitoring system |
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| Country | Link |
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| CN (1) | CN107727695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362847A (en) * | 2018-03-16 | 2018-08-03 | 四川银沙科技有限公司 | Water quality monitoring system based on Internet of things |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440350A (en) * | 1990-06-05 | 1992-02-10 | Japan Organo Co Ltd | Water quality monitoring meter |
| KR100882800B1 (en) * | 2008-08-22 | 2009-02-09 | (주)썬텍엔지니어링 | Water treatment facility monitoring and control system |
| CN202204534U (en) * | 2011-08-01 | 2012-04-25 | 北京金控自动化技术有限公司 | Intelligent system for remotely monitoring and analyzing water quality of lake reservoir and forecast and early warning of bloom |
| CN202735329U (en) * | 2012-08-14 | 2013-02-13 | 合肥粤然水务技术有限公司 | On-line water quality monitoring system |
| CN203178234U (en) * | 2013-03-28 | 2013-09-04 | 重庆电子工程职业学院 | Water quality monitoring system based on wireless sensor network |
| CN205506806U (en) * | 2016-03-10 | 2016-08-24 | 西北师范大学 | Intelligence water quality testing device based on FPGA |
| CN207396397U (en) * | 2017-11-09 | 2018-05-22 | 深圳市南山区慢性病防治院 | Laboratory water quality automatic monitoring system |
-
2017
- 2017-11-09 CN CN201711112908.1A patent/CN107727695A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0440350A (en) * | 1990-06-05 | 1992-02-10 | Japan Organo Co Ltd | Water quality monitoring meter |
| KR100882800B1 (en) * | 2008-08-22 | 2009-02-09 | (주)썬텍엔지니어링 | Water treatment facility monitoring and control system |
| CN202204534U (en) * | 2011-08-01 | 2012-04-25 | 北京金控自动化技术有限公司 | Intelligent system for remotely monitoring and analyzing water quality of lake reservoir and forecast and early warning of bloom |
| CN202735329U (en) * | 2012-08-14 | 2013-02-13 | 合肥粤然水务技术有限公司 | On-line water quality monitoring system |
| CN203178234U (en) * | 2013-03-28 | 2013-09-04 | 重庆电子工程职业学院 | Water quality monitoring system based on wireless sensor network |
| CN205506806U (en) * | 2016-03-10 | 2016-08-24 | 西北师范大学 | Intelligence water quality testing device based on FPGA |
| CN207396397U (en) * | 2017-11-09 | 2018-05-22 | 深圳市南山区慢性病防治院 | Laboratory water quality automatic monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362847A (en) * | 2018-03-16 | 2018-08-03 | 四川银沙科技有限公司 | Water quality monitoring system based on Internet of things |
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