CN106168619B - Five parameter water quality on-line monitoring instruments - Google Patents
Five parameter water quality on-line monitoring instruments Download PDFInfo
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- CN106168619B CN106168619B CN201610725504.9A CN201610725504A CN106168619B CN 106168619 B CN106168619 B CN 106168619B CN 201610725504 A CN201610725504 A CN 201610725504A CN 106168619 B CN106168619 B CN 106168619B
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- probe assembly
- electrically connected
- pcb board
- probe
- light source
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- 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
Abstract
The present invention relates to water monitoring device technical fields, a kind of five parameter water quality on-line monitoring instruments are provided, including cabinet, further include for detecting the first probe assembly of sample pH value, the testing result of the second probe assembly for detecting sample conductivity, the 4th probe assembly for detecting the turbid third probe assembly of sample, for detecting sample dissolution oxygen and each probe assembly be scaled the system controlling terminal of digital signal, the first probe assembly, the second probe assembly, third probe assembly and the 4th probe assembly are electrically connected to system controlling terminal.By the way that the first probe assembly, the second probe assembly, third probe assembly and the 4th probe assembly are electrically connected to system controlling terminal, it converts digital signal simultaneously by each test result using the algorithm of system controlling terminal, in this way, multiple detection parameters of water quality can be obtained simultaneously, it is time-consuming to reduce detection, realize a possibility that monitoring change of water quality in real time.
Description
Technical field
The present invention relates to water monitoring device technical fields, more particularly to a kind of five parameter water quality on-line monitoring instruments.
Background technique
Water quality monitoring is type, the concentration and variation tendency of each pollutant of pollutant in monitoring and measurement water body, is commented
The process of valence water quality condition.Monitoring range is very extensive, including contaminated and contaminated natural water and various
Industrial water drainage etc..Main water quality monitoring project can be divided into two major classes: one kind is to react the overall target of water quality condition, such as temperature
Degree, coloration, turbidity, pH value, conductivity, suspended matter, dissolved oxygen, chemical blood oxygen amount and BOD etc.；Another kind of Toxic
Matter, such as phenol, cyanogen, mercury.
Currently, the device for water quality monitoring has manual intervention, the parameter that can be measured simultaneously is less, degree is more and walks
The problems such as rapid cumbersome, Portable belt and working efficiency be not low.
Summary of the invention
In conclusion the present invention provides a kind of five parameter water quality on-line monitoring instruments, it is intended to solve existing water quality monitoring dress
Set the problem of can not detecting multiple parameters simultaneously.
The invention is realized in this way five parameter water quality on-line monitoring instruments, including cabinet, it further include for detecting sample pH
First probe assembly of value, the second probe assembly for detecting sample conductivity, for detecting the turbid third probe group of sample
Part, the 4th probe assembly for detecting sample dissolution oxygen and can be by the testing result of first probe assembly, described
The detection knot of the testing result of second probe assembly, the testing result of the third probe assembly and the 4th probe assembly
Fruit is scaled the system controlling terminal of digital signal simultaneously, and the system controlling terminal is set in the cabinet, and described first visits
Head assembly, second probe assembly, the third probe assembly and the 4th probe assembly are electrically connected to the system
System controlling terminal.
Further, first probe assembly includes the first cylinder, pH electrode probe and the first pcb board, the pH
Electrode probe and first pcb board are set in first cylinder, and the pH electrode probe is electrically connected to the first PCB
Plate, first pcb board are electrically connected to the system controlling terminal.
Further, second probe assembly includes the second cylinder, conductivity electrode probe and the second pcb board, institute
It states electrode probe and second pcb board is set in second cylinder, the conductivity electrode probe is electrically connected to described
Second pcb board, second pcb board are electrically connected to the system controlling terminal.
Further, the third probe assembly includes third cylinder, the Turbidity measurement mould group for monitoring sample turbidity
And the third pcb board being electrically connected with the Turbidity measurement mould group, the third pcb board are set in the third cylinder and are electrically connected
It is connected to the system controlling terminal, the end of the third cylinder has the first mounting portion and the second mounting portion that are oppositely arranged,
The Turbidity measurement mould group includes optical transmitter module in first mounting portion and corresponding with the transmitting module
And it is set to the optical receiver module in second mounting portion.
Specifically, the optical transmitter module includes the first light transmitting sheet, the first briquetting, the light source in first briquetting
Transmitter and the first insert in first mounting portion, first light transmitting sheet, first briquetting and described
Light source emitter is sequentially arranged in first insert, and the optical receiver module includes the second light transmitting sheet, the second briquetting, is set to institute
State the light source receiver in the second briquetting and the second insert in second mounting portion, second light transmitting sheet, institute
It states the second briquetting and the light source receiver is sequentially arranged in second insert, the light source emitter and the light source connect
It receives device and is electrically connected to the third pcb board.
It further, further include a thermocouple, the thermocouple is set to the end of the third cylinder, and is located at described the
Between one mounting portion and second mounting portion, the thermocouple is electrically connected to the third pcb board.
Further, the 4th probe assembly includes the 4th cylinder, the dissolved oxygen detection for monitoring sample dissolved oxygen
Mould group and the fluorescence cap for being covered on the 4th barrel end, dissolved oxygen detection mould be mounted in the 4th cylinder and
Adjacent to the fluorescence cap, the dissolved oxygen detection mould group is electrically connected to the system controlling terminal.
Specifically, the dissolved oxygen detection mould group includes fixing seat, multiple LED lamp beads, in the middle part of the fixing seat
Optical filter and the 4th pcb board for being electrically connected to each LED lamp bead, the 4th pcb board are covered on the end of the fixing seat
Portion and it is electrically connected to the system controlling terminal, each LED lamp bead is circumferentially distributed centered on the central axes of the fixing seat
In in the fixing seat, and the light source of each LED lamp bead converges at the middle part of the fluorescence cap, what the fluorescence cap was launched
Fluorescence is received through the optical filter and by the 4th pcb board.
Further, the cabinet includes cabinet and the upper cover that is covered on the cabinet, the system controlling terminal
In the cabinet, the one end of the cabinet is equipped with multiple for being electrically connected to first probe assembly, described second
The interface of probe assembly, the third probe assembly and the 4th probe assembly, each interface are electrically connected to described
System controlling terminal.
It further, further include a display screen, the display screen is set in the upper cover and is electrically connected to the system control
Terminal processed.
Compared with prior art, five parameters water quality on-line monitoring instrument provided by the invention, by by the first probe assembly,
Two probe assemblies, third probe assembly and the 4th probe assembly are electrically connected to system controlling terminal, are controlled eventually using system
The algorithm at end converts digital signal simultaneously for each test result, in this way, multiple detection parameters of water quality can be obtained simultaneously, thus
A possibility that it is time-consuming to reduce detection, realizes real time monitoring change of water quality.
Detailed description of the invention
Fig. 1 is the explosive view of cabinet provided in an embodiment of the present invention；
Fig. 2 is the explosive view of the first probe assembly provided in an embodiment of the present invention；
Fig. 3 is the explosive view of the second probe assembly provided in an embodiment of the present invention；
Fig. 4 is the explosive view of third probe assembly provided in an embodiment of the present invention；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the explosive view of the 4th probe assembly provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when an element is referred to as being " fixed " or " disposed " on another element, it can be direct
On the other element or indirectly on the other element.When an element is known as " connection " another element, it can
To be to be directly connected to another element or be indirectly connected on another element.
It is only each other relatively generally it should also be noted that, the positional terms such as left and right, upper and lower, top, bottom in the present embodiment
It reads or be to refer to the normal operating condition of product, and should not be regarded as restrictive.
Realization of the invention is described in detail below in conjunction with specific embodiment.
Please refer to Fig. 1 to Fig. 6, five parameters water quality on-line monitoring instrument provided in an embodiment of the present invention, including cabinet 6, be used for
Detect the first probe assembly 1 of sample pH value, the second probe assembly 2 for detecting sample conductivity, turbid for detecting sample
Third probe assembly 3, for detect sample dissolution oxygen the 4th probe assembly 4 and system controlling terminal 5, system control
Terminal 5 can be by the detection of the testing result of the first probe assembly 1, the testing result, third probe assembly 3 of the second probe assembly 2
As a result and the testing result of the 4th probe assembly 4 is scaled digital signal simultaneously, and system controlling terminal 5 is set in cabinet 6, the
One probe assembly 1, the second probe assembly 2, third probe assembly 3 and the 4th probe assembly 4 are electrically connected to system control eventually
End 5.
Five parameters water quality on-line monitoring instrument provided in an embodiment of the present invention, by by the first probe assembly 1, the second probe group
Part 2, third probe assembly 3 and the 4th probe assembly 4 are electrically connected to system controlling terminal 5, utilize system controlling terminal 5
Algorithm converts digital signal simultaneously for each test result, in this way, multiple detection parameters of water quality can be obtained simultaneously, to reduce
A possibility that detection is time-consuming, realizes real time monitoring change of water quality.
Further, Fig. 1 and Fig. 2 are please referred to, in the present embodiment, the first probe assembly 1 includes the first cylinder 11, pH electricity
Pole probe 12 and the first pcb board 13, pH electrode probe 12 and the first pcb board 13 are set in the first cylinder 11, and pH electrode is visited
First 12 are electrically connected to the first pcb board 13, and the first pcb board 13 is electrically connected to system controlling terminal 5.Specifically, the first cylinder 11 is
Hollow structure, including the first placket 111, be connected with 111 one end of the first placket first in cylinder 112 and be covered in first
First rear end cap 113 of 112 one end of cylinder, pH electrode probe 12 are set in the first placket 111, and the first pcb board 13 is set in first
In cylinder 112, a waterproof grommet 114 is being equipped in the first placket 111 and first between cylinder 112, is preventing test specimens to be checked from the
The junction of cylinder 112 is penetrated into one placket 111 and first, and is damaged to the first pcb board 13, and the first placket 111 is far from the
Several first sepage through-holes 115 are also opened up in one on the side wall of the one end of cylinder 112, can avoid 111 air pressure inside of the first placket
Mutually repel with sample, sample is hindered to enter in the first placket 111, when whole first probe assembly 1 protrudes into sample to be checked, examination
Sample is entered in the first placket 111 by each first sepage through-hole 115 and is in contact with pH motor probe, and by the first pcb board 13
The pH value parameter signal of sample is obtained, which is converted into digital signal by system controlling terminal 5, facilitates detection people
Member reads.
Further, Fig. 1 and Fig. 3 are please referred to, in the present embodiment, the second probe assembly 2 includes the second cylinder 21, conductance
Rate electrode probe 22 and the second pcb board 23, conductivity electrode probe 22 and the second pcb board 23 are set in the second cylinder 21,
Conductivity electrode probe 22 is electrically connected to the second pcb board 23, and the second pcb board 23 is electrically connected to system controlling terminal 5.Similarly,
Second cylinder 21 be hollow structure, including the second placket 211, be connected with 211 one end of the second placket second in cylinder 212 and
It is covered on second rear end cap 213 of 212 one end of cylinder in second, conductivity electrode probe 22 is set in the second placket 211, and second
Pcb board 23 is set in second in cylinder 212, is being equipped with a waterproof grommet 114 in the second placket 211 and second between cylinder 212, is being prevented
Only the junction of test specimens to be checked cylinder 212 from the second placket 211 and second is penetrated into, and is damaged to the second pcb board 23, the
Two plackets 211 can avoid second far from several second sepage through-holes 215 are also opened up on the side wall of the one end of cylinder 212 in second
211 air pressure inside of placket is mutually repelled with sample, and sample is hindered to enter in the second placket 211, when whole second probe assembly 2 protrudes into
When in sample to be checked, sample is entered in the second placket 211 by each second sepage through-hole 215 and is connected with conductivity motor probe
Touching, to obtain the conductivity parameters signal of sample, which is converted into digital letter by system controlling terminal 5
Number, facilitate testing staff to read.
Further, Fig. 1, Fig. 3 and Fig. 4 are please referred to, in the present embodiment, third probe assembly 3 include third cylinder 31,
For monitoring the Turbidity measurement mould group 32 of sample turbidity and being electrically connected to the third pcb board of turbidity monitor mould group (in figure not
Show), third pcb board is set in third cylinder 31, and is electrically connected to system controlling terminal 5, is had in the end of third cylinder 31
There are the first mounting portion 31a and the second mounting portion 31b being oppositely arranged, Turbidity measurement mould group 32 includes being set to the first mounting portion 31a
Optical transmitter module 32a and the optical receiver module 32b in the second mounting portion 31b, and optical transmitter module 32a connects with light
It is corresponding to receive module 32b.The working principle of third probe assembly 3 is as follows: when the end of third cylinder 31 is immersed in be measured have a try
In sample, i.e. the first mounting portion 31a and the second mounting portion 31b are submerged in the sample, when optical transmitter module 32a launches certain wavelength
Light beam after, fine particle refraction in the sample that is placed between two mounting portions and then connect by optical receiver module 32b
It receives, since the light beam wavelength after being refracted is variant compared between, finally, collecting data by third pcb board and obtaining sample
Turbidity parameter.Specifically, third cylinder 31 includes third placket 311, is connected to cylinder in the third of 311 one end of third placket
312 and it is connected to the third rear end cap 313 of 312 one end of cylinder in third, here, third pcb board is set in third in cylinder 312,
Similarly, also there are waterproof grommet 114 in third placket 311 and the junction of cylinder 312 in third, prevent sample from thus entering third
In cylinder 31, to be damaged to third pcb board.First mounting portion 31a and the second mounting portion 31b are set to third placket
311 one ends far from cylinder 312 in third.
Specifically, referring to Fig.4, in the present embodiment, optical transmitter module 32a includes the first light transmitting sheet 321, light source transmitting
Device 322, the first briquetting 323 and the first insert 324, light source emitter 322 is set in the first briquetting, in the first mounting portion 31a
The groove (not shown) for offering the first insert 324 of accommodating emits the first light transmitting sheet 321, the first briquetting 323 and light source
Device 322 is sequentially placed in order in the first insert 324, wherein the effect of the first light transmitting sheet 321 is for light source emitter 322
The light beam launched penetrates, and the effect of the first briquetting 323 is to guarantee the angle of departure of its light beam for fixed light source transmitter 322
Degree.Optical receiver module 32b includes the second light transmitting sheet 325, light source receiver 326, the second briquetting 327 and the second insert 328, together
Sample, light source receiver 326 is set in the second briquetting 327, and the recessed of the second insert 328 of accommodating is offered in the second mounting portion 31b
Second light transmitting sheet 325, the second briquetting 327 and light source receiver 326 are sequentially placed in order in second by slot (not shown)
In insert 328, wherein the effect of the second light transmitting sheet 325 is that the light beam launched for light source emitter 322 penetrates and again by light source
Receiver 326 receives, and the effect of the second briquetting 327 is to guarantee the receiving angle of its light beam for fixed light source receiver 326.
Further, referring to Fig.4, in the present embodiment, further including a thermocouple 7, which is set to third cylinder
31 end, and between the first mounting portion 31a and the second mounting portion 31b, thermocouple 7 is electrically connected to third pcb board.This
Sample can obtain the temperature parameter of sample by the thermocouple 7.
Further, Fig. 1 and Fig. 5 are please referred to, in the present embodiment, the 4th probe assembly 4 includes the 4th cylinder 41, dissolution
Oxygen detection mould group 42 and the fluorescence cap 43 for being covered on 41 end of the 4th cylinder, dissolved oxygen detect mould group 42 and are set to the 4th cylinder 41
Interior and adjacent to fluorescence cap 43, dissolved oxygen detection mould group 42 is electrically connected to system controlling terminal 5.Specifically, dissolved oxygen detects mould
Group 42 includes fixing seat 421, multiple LED lamp beads 422, the optical filter 423 in the middle part of fixing seat 421 and is electrically connected to each
4th pcb board 424 of LED lamp bead 422, the 4th pcb board 424 are covered on the end of fixing seat 421 and are electrically connected to system control
Terminal 5 processed, each LED lamp bead 422 is circumferentially distributed in fixing seat 421 centered on the central axes of fixing seat 421, and each LED
The light source of lamp bead 422 converges at the middle part of fluorescence cap 43, and the fluorescence that fluorescence cap 43 emits is by optical filter 423 and by the 4th PCB
Plate 424 receives.Here, fixing seat 421 is in hollow columnar structures, and optical filter 423 is parallel with the end face of fixing seat 421 and is set to solid
The middle part of reservation 421.Preferably, the lateral wall of fixing seat 421 offers several mounting groove 42a, the quantity of mounting groove 42a with
The quantity of LED lamp bead 422 is identical, the cross section angle at an acute angle of the bottom surface of mounting groove 42a and fixing seat 421, and by each LED light
Pearl 422 is separately mounted on the bottom surface of each mounting groove 42a, in this way, making the light beam cover of each LED lamp bead 422 in fluorescence
The middle part of cap 43.The working principle of 4th probe assembly 4 is as follows: when the 4th cylinder 41 is placed in sample, each LED lamp bead 422
Emit light beam to the middle part of fluorescence cap 43, at this point, the fluorescent material in fluorescence cap 43 launches fluorescence, due to the oxygen in only sample
Gas molecule can pass through fluorescence cap 43, and therefore, fluorescence reflects when passing through oxygen molecule, and only part fluorescence penetrates optical filter 423
And received by the 4th pcb board 424, finally obtain the dissolved oxygen parameter of sample.
Further, referring to FIG. 1, in the present embodiment, cabinet 6 includes cabinet 61 and is covered on upper on cabinet 61
Lid 62, system controlling terminal 5 are set in cabinet 61, and the one end of cabinet 61 is equipped with multiple for being electrically connected to the first probe assembly
1, the interface 611 of the second probe assembly 2, third probe assembly 3 and the 4th probe assembly 4, each interface 611 be electrically connected to be
System controlling terminal 5.In this way, in use state, each probe assembly is electrically connected by interface 611 with system controlling terminal 5, non-
Under use state, each probe assembly is removed by interface 611, so that entire cabinet 6 is convenient for carrying.
Further, further include a display screen 8 referring to FIG. 1, in the present embodiment, display screen 8 be set in upper cover 62 and
It is electrically connected to system controlling terminal 5.Display screen 8 is used to show the detection parameters of each probe assembly, as a result more intuitive.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. five parameter water quality on-line monitoring instruments, including cabinet, which is characterized in that further include being visited for detecting the first of sample pH value
Head assembly, the second probe assembly for detecting sample conductivity, the third probe assembly for detecting sample turbidity, for examining
Test specimens dissolve oxygen the 4th probe assembly and can be by the testing result of first probe assembly, the second probe group
The testing result of the testing result of part, the testing result of the third probe assembly and the 4th probe assembly converts simultaneously
For the system controlling terminal of digital signal, the system controlling terminal is set in the cabinet, first probe assembly, described
Second probe assembly, the third probe assembly and the 4th probe assembly are electrically connected to the system controlling terminal；
The cabinet includes cabinet and the upper cover that is covered on the cabinet, and the system controlling terminal is set to the cabinet
Interior, the one end of the cabinet is equipped with multiple for being electrically connected to first probe assembly, second probe assembly, described
The interface of third probe assembly and the 4th probe assembly, and one end of first probe assembly, second probe
One end of one end of component, one end of the third probe assembly and the 4th probe assembly can with the corresponding interface
Dismantling connection, each interface are electrically connected to the system controlling terminal；
The third probe assembly include third cylinder, the Turbidity measurement mould group for monitoring sample turbidity and with the turbidity
The third pcb board of mould group electrical connection is detected, the third pcb board is set in the third cylinder and is electrically connected to the system control
Terminal processed, the end of the third cylinder have the first mounting portion and the second mounting portion that are oppositely arranged, the Turbidity measurement mould
Group includes the optical transmitter module in first mounting portion and is correspondingly set to described second with the transmitting module
Optical receiver module in mounting portion；
The optical transmitter module includes light source emitter, the first briquetting for fixing the light source emitter, for the light source
The first light transmitting sheet and the first insert in first mounting portion that the light beam that transmitter is launched penetrates, the light source
Transmitter is located in first briquetting, and first light transmitting sheet, first briquetting and the light source emitter are successively set
In in first insert, the optical receiver module includes light source receiver, the second pressure for fixing the light source receiver
The second light transmitting sheet that block, the light beam launched for the light source receiver penetrate and second in second mounting portion
Insert, the light source receiver are located in second briquetting, second light transmitting sheet, second briquetting and the light source
Receiver is sequentially arranged in second insert, and the light source emitter and the light source receiver are electrically connected to the third
Pcb board；
It is all provided with fluted on first mounting portion and second mounting portion, first insert and second insert are pacified
Loaded in the corresponding groove.
2. five parameters water quality on-line monitoring instrument as described in claim 1, which is characterized in that first probe assembly includes the
One cylinder, pH electrode probe and the first pcb board, the pH electrode probe and first pcb board are set to described first
In vivo, the pH electrode probe is electrically connected to first pcb board, and first pcb board is electrically connected to the system control eventually
End.
3. five parameters water quality on-line monitoring instrument as claimed in claim 2, which is characterized in that second probe assembly includes the
Two cylinders, conductivity electrode probe and the second pcb board, the electrode probe and second pcb board are set to described second
In cylinder, the conductivity electrode probe is electrically connected to second pcb board, and second pcb board is electrically connected to the system
Controlling terminal.
4. five parameters water quality on-line monitoring instrument as described in claim 1, which is characterized in that further include a thermocouple, the heat
Galvanic couple is set to the end of the third cylinder, and between first mounting portion and second mounting portion, the thermoelectricity
Occasionally it is electrically connected to the third pcb board.
5. such as the described in any item five parameters water quality on-line monitoring instruments of claim 1 to 2, which is characterized in that the 4th probe
Component includes the 4th cylinder, the dissolved oxygen detection mould group for monitoring sample dissolved oxygen and is covered on the 4th barrel end
Fluorescence cap, dissolved oxygen detection mould is mounted in the 4th cylinder and adjacent to the fluorescence cap, the dissolved oxygen inspection
It surveys mould group and is electrically connected to the system controlling terminal.
6. five parameters water quality on-line monitoring instrument as claimed in claim 5, which is characterized in that the dissolved oxygen detects mould group and includes
Fixing seat, multiple LED lamp beads, the optical filter in the middle part of the fixing seat and it is electrically connected to the 4th of each LED lamp bead
Pcb board, the 4th pcb board are covered on the end of the fixing seat and are electrically connected to the system controlling terminal, each LED
Lamp bead is circumferentially distributed in the fixing seat centered on the central axes of the fixing seat, and the light source of each LED lamp bead converges
Gather in the middle part of the fluorescence cap, the fluorescence that the fluorescence cap is launched is connect through the optical filter and by the 4th pcb board
It receives.
7. five parameters water quality on-line monitoring instrument as claimed in claim 6, which is characterized in that it further include a display screen, it is described aobvious
Display screen is set in the upper cover and is electrically connected to the system controlling terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725504.9A CN106168619B (en) | 2016-08-25 | 2016-08-25 | Five parameter water quality on-line monitoring instruments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610725504.9A CN106168619B (en) | 2016-08-25 | 2016-08-25 | Five parameter water quality on-line monitoring instruments |
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| CN106168619A CN106168619A (en) | 2016-11-30 |
| CN106168619B true CN106168619B (en) | 2019-06-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107543797B (en) * | 2017-08-07 | 2020-04-28 | 北方工业大学 | Universal intelligent sensor based on single light source water quality detection parameters |
| CN113009099A (en) * | 2021-03-01 | 2021-06-22 | 智科云创(北京)科技有限公司 | Real-time intelligent water quality monitoring device and using method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101281187B (en) * | 2008-04-08 | 2011-11-30 | 杭州电子科技大学 | Water environment monitoring node based on ZigBee wireless technique |
| CN101717132B (en) * | 2009-11-06 | 2011-05-25 | 河海大学 | All-around ultrasonic wave algal removal floater |
| CN102004077B (en) * | 2010-10-08 | 2012-11-07 | 中国农业大学 | Turbidity transducer |
| CN102253024B (en) * | 2011-06-08 | 2013-03-20 | 中国农业大学 | Optical dissolved oxygen sensor |
| CN102353756A (en) * | 2011-07-13 | 2012-02-15 | 上海衡伟信息技术有限公司 | Hand-held water quality analyzer |
| CN202693686U (en) * | 2012-05-31 | 2013-01-23 | 中国农业大学 | Aquaculture water body conductivity sensor |
| CN103529185A (en) * | 2012-07-02 | 2014-01-22 | 杭州诺普泰克仪器仪表有限公司 | Intelligent type multi-parameter online water quality analyzer |
| CN103645288A (en) * | 2013-11-16 | 2014-03-19 | 中山欧麦克仪器设备有限公司 | Multifunctional portable water quality detection analyzer |
| CN204832089U (en) * | 2015-07-26 | 2015-12-02 | 江苏中农物联网科技有限公司 | Intelligence PH sensor |
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