CN106501478A - A kind of data collecting system for water quality monitoring - Google Patents
A kind of data collecting system for water quality monitoring Download PDFInfo
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- CN106501478A CN106501478A CN201611262964.9A CN201611262964A CN106501478A CN 106501478 A CN106501478 A CN 106501478A CN 201611262964 A CN201611262964 A CN 201611262964A CN 106501478 A CN106501478 A CN 106501478A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 8
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000007726 management method Methods 0.000 description 5
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
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- 239000003344 environmental pollutant Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
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- Engineering & Computer Science (AREA)
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- General Health & Medical Sciences (AREA)
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- Food Science & Technology (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of data collecting system for water quality monitoring, is related to water quality monitoring technology, for solving in prior art, motor-driven monitoring capability is not enough, and mobile water quality research and application laboratory is equipped with quantity very little, the low problem of field monitoring ability.It includes harvester, the harvester includes the housing of column, it is located at the upper lid of housing upper end, it is located at the collection termination of housing lower end, it is located at the buoyant disk of housing exterior walls, the housing exterior walls are provided with the first opening, and the buoyant disk upper surface is provided with the first projection, and the enclosure interior is provided with lift shaft.By adjusting collection termination longitudinal direction immersed depth, lateral distance and lateral rotation angle, the sampling of dynamic COD indexs is realized, motor-driven monitoring capability is improved.
Description
Technical field
The present invention relates to water quality monitoring technology, specifically, is a kind of data collecting system for water quality monitoring.
Background technology
Water quality monitoring is to monitor and determine the species of pollutant in water body, the concentration of each pollutant and variation tendency, comments
The process of valency water quality condition.Monitoring range is quite varied, including not being contaminated and contaminated natural water (river, river, lake, sea
And underground water) and various industrial water drainages etc..Main monitoring project can be divided into two big class：One class is reflection water quality condition
Overall target, such as temperature, colourity, turbidity, pH value, electrical conductivity, suspension, dissolved oxygen, COD and biochemical oxygen demand (BOD) etc.；
Another kind of is some noxious materials, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury and organic agricultural chemicals etc..
The water conservancy system water quality monitoring work experience development of decades, is additionally arranged water quality monitoring first in Hydrology department
Mechanism, and then Liao Ge quality in watershed monitoring center is established and improve, the water quality monitoring network system for covering the whole nation has been built up, real
The effective monitoring to water quality is showed, in water quality monitoring project, also by extending to from the development of natural hydrating Hygienic monitoring on hands of childhood, has been provided with
Comprehensive river natural hydrochemistry feature and the monitoring of river water contamination feature.
Water quality monitoring in water conservancy system is combined with hydrometric station, takes full advantage of the easily bar possessed in sampling
Part, it is possible to achieve representative strong high frequency time monitoring, with the advantage that watershed management and the water yield, water quality are monitored simultaneously, in conjunction with water
Management of functional protection subzones requirement, grasps important rivers, transprovincially lake, the rivers of (autonomous region, municipality directly under the Central Government), Lake Water that country determines
Body, provincial boundaries water body, important supply water sources, the water quality situation of main River contaminant drain outlet, it is possible to complete to grasp sudden water dirt
Resurgent after dye accident and flood inundation on tracks, Cut off, the scheduling of sewage gate dam are prominent with the water quality of the significant process such as reservoir operation
Change situation.
A kind of Portable water quality monitors of patent document CN 102331485B, including host computer and slave computer, host computer and
Slave computer is connected by communication middleware or communicating portion, and host computer includes host computer man-machine interface part；Slave computer
Comprising single-chip microcomputer, part of data acquisition, extension SDRAM parts and slave computer man-machine interface part, part of data acquisition has
The SDI-12 sensors being connected with single-chip microcomputer by extension type SDI-12 interface bus, the SDI-12 interface bus is by successively
Type interface connects at least one SDI-12 sensors；Communicating portion includes GPRS wireless modules；Power unit includes carrying
Power supply, sun-generated electric power, and when the undertension that sun-generated electric power is provided is to maintain water quality monitor to work, power supply is cut
Change to self-powered power management module.The present invention can make the number of probes that Portable water quality monitor is accessed unrestricted
System, data transfer are simple, memory data output is big.
Wherein, COD is the composite target of the most frequently used evaluation degree of water pollution.COD indexs are convenient due to measurement, take
With low, the index that must be surveyed in China's water quality monitoring the advantages of applied widely, is become.But complicated in water-quality constituents, in water
When inorganic reduction contact scar thing, hardly degraded organic substance content are high, characterized with COD indexs organic contamination degree occur very big
Deviation.And as the standard determination method of COD is easily disturbed so that the measured value of COD differs larger with theoretical value.
For objective appraisal rivers and the situation of ocean water quality, in addition to the monitor of above-mentioned belt sensor is monitored, need sometimes
Enter the sampling of Mobile state COD indexs, by tracking flow velocity and flow, to understand dynamic organic contamination degree in time.Existing skill
In art, motor-driven monitoring capability is not enough, and mobile water quality research and application laboratory is equipped with quantity very little, and field monitoring ability is low, it is impossible to
Sudden water pollution accident and resurgent flood inundation on tracks, Cut off after, sewage gate dam scheduling and reservoir operation are grasped in time
Etc. COD catastrophes in the water quality of important water conservancy process.
Content of the invention
The present invention seeks to aimed to provide a kind of by adjusting collection termination longitudinal direction immersed depth, lateral distance with
And lateral rotation angle, the sampling of dynamic COD indexs is realized, improving motor-driven monitoring capability is used for the data acquisition system of water quality monitoring
System.
For realizing above-mentioned technical purpose, the technical solution used in the present invention is as follows：
A kind of data collecting system for water quality monitoring, including harvester, the harvester includes the shell of column
Body, positioned at the upper lid of housing upper end, positioned at the collection termination of housing lower end, outside the buoyant disk of housing exterior walls, the housing
Wall is provided with the first opening, and the buoyant disk upper surface is provided with the first projection, and the enclosure interior is provided with lift shaft, the lifting
Rotating shaft lower end is provided with the first platform, and the first platform lower surface is provided with the first groove for the first projection of insertion.
Using the invention of above-mentioned technical proposal, using lift shaft control collection termination immersed depth, different to extract
The sample of water quality layer, organic pollutants mainly occur in the form of reduction-state, when the biology in water is with organic matter as nutriment
When being decomposed, the dissolved oxygen in water can be constantly consumed.COD indexs are based on biological decomposition organic matter to be needed oxygen consumption this is pointed out
Send out, the oxidability by oxidant is replacing the ability of organism in water decomposing organic matter.Therefore COD can be used as Organic Pollution
The index of degree, its numerical value intuitively illustrate degree of the water body by organic contamination, and the relatively also phase for different water bodys very much
To simple.
Buoyant disk is set up, is easy to the dynamic COD indexs for gathering the sample that different quality layer is extracted in termination.In addition, different water
In matter layer, there are different biocoenes, the degradation capability to organic matter is also different.By gathering termination dynamic COD indexs
Sampling, can be reduced because of the deviation of different quality layer degradation capability, the error of the pollution level for causing COD value to cause.
Further limit, first opening is two, is symmetricly set on housing exterior walls both sides, the lift shaft outer ring
It is provided with the first projection that slides along the first opening.
It is open and the first projection by cooperate first, is easy to control the sample that different quality layer is extracted in collection termination
Dynamic COD indexs.
Further limit, also include the first hollow actuating arm and the second hollow actuating arm, on first actuating arm
End extends into housing, and connects buoyant disk, and the first actuating arm lower end is hinged the second actuating arm rear end；
The first actuating arm inner chamber is provided with first gear, second gear and the 3rd gear, the first actuating arm outer ring
Rotating shaft is provided with, the rotating shaft output shaft connects first gear, the first gear drives second by gear engagement
Gear, the second gear drive the 3rd gear by gear engagement；
The second actuating arm inner chamber is provided with the first expansion link, the second expansion link and turbine gear, first expansion link
Second expansion link is inside cased with, and the described second flexible rod rear end and turbine gear are coaxial, and the turbine gear and the 3rd gear are logical
Gear drive is crossed, the second expansion link front end is provided with collection termination.
Further limit, the first expansion link inwall is provided with the first chute, the second expansion link outer wall is provided with first
Draw runner.
Further limit, the collection termination is provided with 6～8 thief holes.
6～8 thief holes are set up, the sample of the water quality layer of many places can be extracted simultaneously.
Further limit, the second expansion link front end is provided with the first bar hole, the first expansion link outer wall is provided with
One position limiting structure, first position limiting structure include the first horizontal stripe for the first bar hole of insertion, back-moving spring, the reset
Spring one end connects the first expansion link outer wall, and one end connects the first horizontal stripe.
Further limit, also include the connector for the first actuating arm of connection and the second actuating arm, the connector bag
Include upper connector and lower connector；
The upper connector includes connecting bottom board, is symmetricly set on the upper connection journal stirrup of connecting bottom board both sides, upper work
Dynamic rotating shaft, the upper connection journal stirrup lower end connect upper connecting bottom board, and upper movable rotation-shaft is run through in its upper end；
The lower connector includes that lower connecting bottom board and lower coupler, the lower coupler upper end connect lower connecting bottom board,
It is internally provided with the first cavity for the turbine gear that places.
Further limit, the upper lid lower end outer ring is provided with locking projections, and the buoyant disk upper end is provided with and locking projections
The lock hole of coupling.
Further limit, the first actuating arm surface coated with waterproof material layer, the second actuating arm surface scribbles anti-
Water material layer.
Set up waterproof layer, it is to avoid equipment is corroded.
Further limit, the buoyant disk lower surface is provided with froth bed.
Using froth bed, the accuracy of grab sampling is improved.
The present invention compared to existing technology, realizes dynamic sampling, strengthens water resources management with protection need of work water quality monitoring
Develop in advance, by the basic data of water quality monitoring, analyze the bearing capacity of water, according to the difference of Water Functional Zone, confirm water ring
Border capacity, sets up assessment and the decision model of water environment, dilution diffusion and auto purification process in analysis and grasp pollutant water body
With equilibrium relation, decrement or the planning for forbidding discharging and embodiment is formulated, instructs hydraulic engineering, harnessing project to make water environment
With Social ＆ Economic Coordinated Development, water resources management is economic development service with protection work, and water conservancy becomes social economy and persistently send out
The resource guarantee of exhibition.
Description of the drawings
The present invention can be further illustrated by the nonlimiting examples that accompanying drawing is given；
Fig. 1 is a kind of data collecting system schematic diagram (state one) for water quality monitoring of the present invention；
Fig. 2 is A-A cross section views in Fig. 1；
Fig. 3 is a kind of data collecting system schematic diagram (state two) for water quality monitoring of the present invention；
Fig. 4 is a kind of data collecting system schematic diagram (state three) for water quality monitoring of the present invention；
Fig. 5 is dynamic COD index of the present invention using the sample of collection termination collection different quality layer；
Main element symbol description is as follows：
Harvester 1, housing 2, upper lid 3 gather termination 4, buoyant disk 5, the first opening 6, the first projection 7, lift shaft
8, the first platform 9, the first groove 10, the first projection 11, the first actuating arm 12, the second actuating arm 13, first gear 14, the second tooth
Wheel 15, the 3rd gear 16, the first expansion link 17, the second expansion link 18, turbine gear 19, the first chute 20, the first draw runner 21, the
One bar hole 22, the first horizontal stripe 23, upper connector 24, upper connecting bottom board 241, upper connection journal stirrup 242, upper movable rotation-shaft 243, under
Connector 25, lower connecting bottom board 251, lower coupler 252, locking projections 26, lock hole 27, froth bed 28, rotating shaft 29.
Specific embodiment
In order that those skilled in the art may be better understood the present invention, with reference to the accompanying drawings and examples to this
Bright technical scheme is further illustrated.
Embodiment one,
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of data collecting system for water quality monitoring, including harvester 1, is adopted
Acquisition means 1 include the housing 2 of column, positioned at the upper lid 3 of 2 upper end of housing, positioned at the collection termination 4 of 2 lower end of housing, positioned at housing
The buoyant disk 5 of 2 outer walls, 2 outer wall of housing are provided with the first opening 6, and 5 upper surface of buoyant disk is provided with the first projection 7, sets inside housing 2
There are lift shaft 8,8 lower end of lift shaft to be provided with the first platform 9,9 lower surface of the first platform is provided with for the first projection 7 of insertion
First groove 10.
First opening 6 is two, is symmetricly set on 2 outer wall both sides of housing, and 8 outer ring of lift shaft is provided with along the first opening 6
The first projection 11 that slides.
Also include the first hollow actuating arm 12 and the second hollow actuating arm 13,12 upper end of the first actuating arm extends into shell
Body 2, and connect buoyant disk 5,12 lower end of the first actuating arm is hinged 13 rear end of the second actuating arm；
First actuating arm, 12 inner chamber is provided with first gear 14, second gear 15 and the 3rd gear 16, outside the first actuating arm 12
Circle is provided with rotating shaft 29, and 29 output shaft of rotating shaft connects first gear 14, and first gear 14 is by gear engagement driving the
Two gears 15, second gear 15 drive the 3rd gear 16 by gear engagement；
Second actuating arm, 13 inner chamber is provided with the first expansion link 17, the second expansion link 18 and turbine gear 19, the first expansion link
The second expansion link 18 is cased with 17, and 18 rear end of the second expansion link and turbine gear 19 are coaxial, and turbine gear 19 and the 3rd gear
16 by gear drive, and 18 front end of the second expansion link is provided with collection termination 4.
First expansion link, 17 inwall is provided with the first chute 20, and 18 outer wall of the second expansion link is provided with the first draw runner 21.
Collection termination 4 is provided with 6 thief holes.
Second expansion link, 18 front end is provided with the first bar hole 22, and 17 outer wall of the first expansion link is provided with the first position limiting structure, the
One position limiting structure includes the first horizontal stripe 23 for the first bar hole 22 of insertion, back-moving spring, back-moving spring one end connection first
17 outer wall of expansion link, one end connect the first horizontal stripe 23.
Embodiment two,
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, a kind of data collecting system for water quality monitoring, including harvester 1, is adopted
Acquisition means 1 include the housing 2 of column, positioned at the upper lid 3 of 2 upper end of housing, positioned at the collection termination 4 of 2 lower end of housing, positioned at housing
The buoyant disk 5 of 2 outer walls, 2 outer wall of housing are provided with the first opening 6, and 5 upper surface of buoyant disk is provided with the first projection 7, sets inside housing 2
There are lift shaft 8,8 lower end of lift shaft to be provided with the first platform 9,9 lower surface of the first platform is provided with for the first projection 7 of insertion
First groove 10.
First opening 6 is two, is symmetricly set on 2 outer wall both sides of housing, and 8 outer ring of lift shaft is provided with along the first opening 6
The first projection 11 that slides.
Also include the first hollow actuating arm 12 and the second hollow actuating arm 13,12 upper end of the first actuating arm extends into shell
Body 2, and connect buoyant disk 5,12 lower end of the first actuating arm is hinged 13 rear end of the second actuating arm；
First actuating arm, 12 inner chamber is provided with first gear 14, second gear 15 and the 3rd gear 16, outside the first actuating arm 12
Circle is provided with rotating shaft 29, and 29 output shaft of rotating shaft connects first gear 14, and first gear 14 is by gear engagement driving the
Two gears 15, second gear 15 drive the 3rd gear 16 by gear engagement；
Second actuating arm, 13 inner chamber is provided with the first expansion link 17, the second expansion link 18 and turbine gear 19, the first expansion link
The second expansion link 18 is cased with 17, and 18 rear end of the second expansion link and turbine gear 19 are coaxial, and turbine gear 19 and the 3rd gear
16 by gear drive, and 18 front end of the second expansion link is provided with collection termination 4.
First expansion link, 17 inwall is provided with the first chute 20, and 18 outer wall of the second expansion link is provided with the first draw runner 21.
Collection termination 4 is provided with 6 thief holes.
Second expansion link, 18 front end is provided with the first bar hole 22, and 17 outer wall of the first expansion link is provided with the first position limiting structure, the
One position limiting structure includes the first horizontal stripe 23 for the first bar hole 22 of insertion, back-moving spring, back-moving spring one end connection first
17 outer wall of expansion link, one end connect the first horizontal stripe 23.
Also include that the connector for the first actuating arm 12 of connection and the second actuating arm 13, connector include upper connector 24
With lower connector 25；
Upper connector 24 includes connecting bottom board 241, is symmetricly set on the upper connection journal stirrup of 241 both sides of connecting bottom board
242, upper movable rotation-shaft 243, the upper connecting bottom board 241 of 242 lower end of upper connection journal stirrup connection, upper movable rotation-shaft 243 is run through in its upper end；
Lower connector 25 includes lower connecting bottom board 251 and lower coupler 252, the lower connection bottom of 252 upper end of lower coupler connection
Plate 251, is internally provided with the first cavity for the turbine gear 19 that places.
3 lower end outer ring of upper lid is provided with locking projections 26, and 5 upper end of buoyant disk is provided with the lock hole with the coupling of locking projections 26
27.
First actuating arm, 12 surface coated with waterproof material layer, 13 surface coated with waterproof material layer of the second actuating arm.
5 lower surface of buoyant disk is provided with froth bed 28.
The difference of above-described embodiment one and embodiment two is, with respect to embodiment one for, in embodiment two, set up for
Connect the connector of the first actuating arm and the second actuating arm, be conveniently adjusted the angle of collection termination, beneficial to collection different quality layer
Sample dynamic COD indexs.
As shown in figure 5, using the sample (the technical program gathers 1m to 8m scopes) of collection termination collection different quality layer,
From in March, 2016 to the dynamic COD indexs in December, 2016, when specifically used, by the built-in output line of housing, control
Lift shaft action, and then the different water quality layers of collection termination entrance are controlled, step one, using the first actuating arm for cooperating
With the second actuating arm, and then adjust collection termination longitudinal direction immersed depth, enter different quality layer；Step 2, exclusive rotation turn
Axle is designed, and using gear drive, is precisely controlled the same water quality layer in collection termination, lateral distance；Step 3, using upper connection
Part and lower connector, adjust the same water quality layer in collection termination, lateral rotation angle.
Above a kind of data collecting system for water quality monitoring that the present invention is provided is described in detail.Concrete real
The explanation for applying example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention,
These improvement and modification are also fallen in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of data collecting system for water quality monitoring, including harvester, it is characterised in that：The harvester includes
The housing of column, positioned at the upper lid of housing upper end, positioned at the collection termination of housing lower end, positioned at the buoyant disk of housing exterior walls, institute
State housing exterior walls and be provided with the first opening, the buoyant disk upper surface is provided with the first projection, and the enclosure interior is provided with lift shaft,
The lift shaft lower end is provided with the first platform, and the first platform lower surface is provided with recessed for inserting the first of the first projection
Groove.
2. a kind of data collecting system for water quality monitoring according to claim 1, it is characterised in that：Described first opens
Mouth is two, is symmetricly set on housing exterior walls both sides, and the lift shaft outer ring is provided with the first projection that slides along the first opening.
3. a kind of data collecting system for water quality monitoring according to claim 2, it is characterised in that：Also include hollow
The first actuating arm and the second hollow actuating arm, the first actuating arm upper end extends into housing, and connects buoyant disk, described
First actuating arm lower end is hinged the second actuating arm rear end；
The first actuating arm inner chamber is provided with first gear, second gear and the 3rd gear, and the first actuating arm outer ring is provided with
Rotating shaft, the rotating shaft output shaft connect first gear, and the first gear drives second gear by gear engagement,
The second gear drives the 3rd gear by gear engagement；
The second actuating arm inner chamber is provided with the first expansion link, the second expansion link and turbine gear, the first expansion link inner sleeve
There is the second expansion link, the described second flexible rod rear end and turbine gear are coaxial, and the turbine gear and the 3rd gear pass through tooth
Wheel transmission, the second expansion link front end are provided with collection termination.
4. a kind of data collecting system for water quality monitoring according to claim 3, it is characterised in that：Described first stretches
Contracting bar inwall is provided with the first chute, and the second expansion link outer wall is provided with the first draw runner.
5. a kind of data collecting system for water quality monitoring according to claim 4, it is characterised in that：The collection terminal
Head is provided with 6～8 thief holes.
6. a kind of data collecting system for water quality monitoring according to claim 5, it is characterised in that：Described second stretches
Contracting bar front end is provided with the first bar hole, and the first expansion link outer wall is provided with the first position limiting structure, the first position limiting structure bag
Include for inserting the first horizontal stripe of the first bar hole, back-moving spring, described back-moving spring one end connects the first expansion link outer wall, one
The first horizontal stripe of end connection.
7. a kind of data collecting system for water quality monitoring according to claim 6, it is characterised in that：Also include for
Connect the connector of the first actuating arm and the second actuating arm, the connector includes upper connector and lower connector；
The upper connector includes connecting bottom board, is symmetricly set on the upper connection journal stirrup of connecting bottom board both sides, and upper activity turns
Axle, the upper connection journal stirrup lower end connect upper connecting bottom board, and upper movable rotation-shaft is run through in its upper end；
The lower connector includes lower connecting bottom board and lower coupler, and connecting bottom board under the lower coupler upper end connection, in which
Portion is provided with the first cavity for the turbine gear that places.
8. a kind of data collecting system for water quality monitoring according to claim 7, it is characterised in that：Under the upper lid
End outer ring is provided with locking projections, and the buoyant disk upper end is provided with the lock hole with locking projections coupling.
9. a kind of data collecting system for water quality monitoring according to claim 3 or 4 or 5 or 6 or 7 or 8, its feature
It is：The first actuating arm surface coated with waterproof material layer, the second actuating arm surface coated with waterproof material layer.
10. a kind of data collecting system for water quality monitoring according to claim 9, it is characterised in that：The buoyancy
Disk lower surface is provided with froth bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262964.9A CN106501478B (en) | 2016-12-30 | 2016-12-30 | A kind of data collection system for water quality monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262964.9A CN106501478B (en) | 2016-12-30 | 2016-12-30 | A kind of data collection system for water quality monitoring |
Publications (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107063762A (en) * | 2017-03-22 | 2017-08-18 | 惠安爱馨机电设备科技有限公司 | A kind of sewage sampling device |
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