CN109100181A - A kind of novel water quality of river sampling apparatus and its application method - Google Patents
A kind of novel water quality of river sampling apparatus and its application method Download PDFInfo
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- CN109100181A CN109100181A CN201811241059.4A CN201811241059A CN109100181A CN 109100181 A CN109100181 A CN 109100181A CN 201811241059 A CN201811241059 A CN 201811241059A CN 109100181 A CN109100181 A CN 109100181A
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- 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
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The present invention relates to monitoring water environment technical fields, more particularly to a kind of novel water quality of river sampling apparatus and its application method, including polygon flotation gear, the center of top of polygon flotation gear is equipped with connector, the bottom center of polygon flotation gear is fixedly connected with electric pushrod, the bottom of electric pushrod is connected with sampling apparatus, the left side outer wall lower part of sampling apparatus and outer right wall top, which are run through, is connected with three groups of collecting cassettes, the side wall centers of collecting cassette, which run through, is equipped with entrance, check valve is sealedly connected at the port of entrance, the left upper portion and lower right side of sampling apparatus are equipped with continuous graduation mark, the bottom center of sampling apparatus, which runs through, is equipped with gyro sensor；The present invention can effectively overcome that water quality of river sampling apparatus the degree of automation is low present in the prior art and can not acquire the defect of the water quality of different depth.
Description
Technical field
The present invention relates to monitoring water environment technical fields, and in particular to a kind of novel water quality of river sampling apparatus and its use
Method.
Background technique
Water is one of element for the survival of mankind, and country has formulated the regulation of water quality evaluation, forecast, prediction,
The pollutant that China enters surface water body and production, the effluent of living facilities institute to all rivers, reservoir etc. at present carries out monitoring,
Water pollution is prevented, protection improves water environment, and now with the growth of national economy, the more next weight of the pollution in river carries out water quality inspection
An important factor for survey is the relationship national economic development and people's health, in water quality detection work, water quality sampling is very
Important link.
But present water quality sampling device structure is relatively simple, first, the water sample of riverbank both sides generally can only be all acquired,
The water sample at river center is taken and needs to complete by ship, thus cause to sample it is more troublesome, second, for water quality
Sampling, mostly be acquire water surface water quality, however, being not easy accurately to collect the water quality of predetermined depth, third, each adopt
Hydrophone requires more people's co-ordinations substantially, and sampling repeatability is higher, smaller to each layer sample-synchronous of water body, to water body
It disturbs larger, it is difficult to acquire water sample or sampler in situ and not enough automate, cannot sufficiently meet water body hierarchical synchronization and efficiently adopt
The demand of sample.
Therefore, it is badly in need of designing a kind of water quality of river sampling apparatus to reduce manual work, and different depth can be acquired
Water quality, high degree of automation.
Summary of the invention
(1) the technical issues of solving
For disadvantages mentioned above present in the prior art, the present invention provides a kind of novel water quality of river sampling apparatus and its uses
Method, can effectively overcome that water quality of river sampling apparatus the degree of automation is low present in the prior art and can not acquire difference
The defect of the water quality of depth.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of novel water quality of river sampling apparatus and its application method, including polygon flotation gear, the polygon floating dress
The center of top set is equipped with connector, and the bottom center of the polygon flotation gear is fixedly connected with electric pushrod, the electricity
The bottom of dynamic push rod is connected with sampling apparatus, and connection is run through on the left side outer wall lower part of the sampling apparatus and outer right wall top
There are three groups of collecting cassettes, the side wall centers of the collecting cassette, which run through, is equipped with entrance, is sealedly connected at the port of the entrance unidirectional
Valve, the left upper portion and lower right side of the sampling apparatus are equipped with continuous graduation mark, and the bottom center of the sampling apparatus is passed through
It is equipped with gyro sensor.
Preferably, the inner cavity top of the sampling apparatus is equipped with the first sealing plate, and the bottom of the electric pushrod, which is run through, prolongs
It extends to the inner cavity of sampling apparatus and is connected with the top of the first sealing plate, the bottom left of first sealing plate is equipped with the second pressure
Power table, the inner cavity middle part of the sampling apparatus are equipped with the second sealing plate, and it is micro- that the top left side of second sealing plate is equipped with second
The bottom right of type booster pump, second sealing plate is equipped with the first booster pump, and the inner cavity lower part of the sampling apparatus is set
There is a third sealing plate, the top right side of the third sealing plate is equipped with first pressure gauge, on the left side outer wall of the sampling apparatus
Portion and outer right wall lower part are run through equipped with pressure reducing valve, set between the bottom of the left side collecting cassette and the left side wall of sampling apparatus
There is first pressure sensor, second pressure is equipped between the bottom of the right side collecting cassette and the right side wall of sampling apparatus and is sensed
Device.
Preferably, the sampling apparatus and collecting cassette are pressure resistant type material composition, and between collecting cassette and sampling apparatus
Pass through sealant adhesion.
Preferably, the gyro sensor, first pressure sensor, second pressure sensor, first pressure gauge and
The input terminal of two pressure gauges is electrically connected with signal transmission module, and the output end of the signal transmission module is electrically connected with micro-
Controller, the output end of the microcontroller be electrically connected drive module, deep statistical module, depth calculation module,
Balance adjustment module, check valve adjustment module and wireless network transmissions, the output end of the drive module are miniature with first respectively
Booster pump and the second booster pump are electrically connected, and the output end of the wireless network transmissions is wirelessly connected with terminal device, institute
It states electric pushrod and microcontroller is electrically connected.
Preferably, the gyro sensor is used for the tilt angle of real-time monitoring sampling apparatus, and by information by micro-
Controller is transmitted in balance adjustment module and depth calculation module；The first pressure sensor on the left of real-time monitoring for adopting
Collect the weight of box；Weight of the second pressure sensor for collecting cassette on the right side of real-time monitoring；The first pressure gauge is used for
The pressure value in cavity surrounded between the second sealing plate of real-time monitoring and third sealing plate；The second pressure gauge is for real-time
Monitor the pressure value in the cavity surrounded between the first sealing plate and the second sealing plate.
Preferably, the signal transmission module is used to sense gyro sensor, first pressure sensor, second pressure
The information detected in device, first pressure gauge and second pressure gauge is transmitted in microcontroller；The drive module is micro- for receiving
The information of controller transmission simultaneously drives corresponding first booster pump or the second booster pump closure or openness.
Preferably, the water quality sample that the deep statistical module passes through the different depth of graduation mark statistics gatherer；The depth
It spends computing module and the vertical descending depth of sampling apparatus is calculated by the tilt angle information of computing gyroscope sensor transmissions, and will
Information is transmitted in microcontroller for deep statistical module references；The balance adjustment module is transmitted by gyro sensor
Sampling apparatus tilt angle and first pressure sensor and second pressure sensor acquisition pressure gauge calculate sampling cartridge
The degree of balance of the left and right sides is set, and is transmitted information in microcontroller；The check valve adjustment module control left and right sides is single
It is successively opened or closed from bottom to up to valve.
Preferably, the step includes:
S1: by unmanned plane or being stationed device and be connected with connector, sampling apparatus is put into river to be detected first, polygon
Shape flotation gear floats on river surface, is conducive to the stabilization of sampling apparatus；
S2: sending sampled signal by terminal device, opens so that microcontroller adjusts check valve by check valve adjustment module
The water quality acquisition of different depth is carried out afterwards, and deep statistical module and depth calculation module calculate separately and count water quality sampling not
Same depth；
S3: first pressure sensor and second pressure sensor detect the weight of left and right sides collecting cassette respectively, and utilize balance
Then adjustment module calculated equilibrium degree controls the first booster pump or the second miniature pressurization by microcontroller and drive module
Pump increases the pressure of corresponding region, to change left and right sides imbalance state, first pressure gauge and second pressure gauge real-time monitoring phase
The pressure value for answering region controls the first booster pump or the second booster pump by microcontroller when reaching in control range
It stops working, keeps sampling apparatus balance, be conducive to calculate depth.
(3) beneficial effect
Compared with prior art, a kind of novel water quality of river sampling apparatus provided by the present invention and its application method are using a variety of
The mode that function combines designs a kind of water quality of river sampling apparatus, has abandoned current water quality of river sampling apparatus automation journey
The case where spending water quality low and that different depth can not be acquired, the invention has the following beneficial effects:
1, the present invention by unmanned plane or can be stationed device and be connected with connector, and sampling apparatus is put into river to be detected,
Polygon flotation gear floats on river surface, is conducive to the stabilization of sampling apparatus；
2, the present invention sends sampled signal by terminal device, so that microcontroller adjusts check valve by check valve adjustment module
The water quality acquisition of different depth is carried out after opening, deep statistical module and depth calculation module calculate separately and count water quality sampling
Different depth；
3, first pressure sensor and second pressure sensor of the present invention detects the weight of left and right sides collecting cassette respectively, and utilizes
Balance adjustment module calculated equilibrium degree, it is then miniature by microcontroller and drive module the first booster pump of control or second
Booster pump increases the pressure of corresponding region, to change left and right sides imbalance state；
4, the pressure value of first pressure gauge and second pressure gauge real-time monitoring corresponding region of the present invention, reaches control range Nei Shitong
It crosses microcontroller the first booster pump of control or the second booster pump stops working, keep sampling apparatus balance, be conducive to meter
Calculate depth.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described.It should be evident that the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is partial sectional view of the present invention；
Fig. 3 is module relationship structure chart of the present invention；
In figure:
1, polygon flotation gear；2, connector；3, electric pushrod；4, sampling apparatus；5, collecting cassette；6, graduation mark；7, entrance；
8, gyro sensor；9, sampling apparatus；10, first pressure gauge；11, pressure reducing valve；12, the first booster pump；13, second is close
Sealing plate；14, the second booster pump；15, second pressure gauge；16, the first sealing plate；17, first pressure sensor；18, second
Pressure sensor；19, signal transmission module；20, microcontroller；21, drive module；22, wireless network transmissions；23, terminal is set
It is standby；24, deep statistical module；25, depth calculation module；26, balance adjustment module；27, check valve adjustment module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of novel water quality of river sampling apparatus and its application method, as shown in Figure 1-3, include polygon flotation gear 1,
The center of top of polygon flotation gear 1 is equipped with connector 2, and the bottom center of polygon flotation gear 1 is fixedly connected with electronic
Push rod 3, the bottom of electric pushrod 3 are connected with sampling apparatus 4, and the left side outer wall lower part of sampling apparatus 4 and outer right wall top are equal
Through three groups of collecting cassettes 5 are connected with, the side wall centers of collecting cassette 5, which run through, is equipped with entrance 7, is sealedly connected at the port of entrance 7
Check valve, the left upper portion and lower right side of sampling apparatus 4 are equipped with continuous graduation mark 6, and the bottom center of sampling apparatus 4 runs through
Equipped with gyro sensor 8；
The inner cavity top of sampling apparatus 4 is equipped with the first sealing plate 16, and the bottom of electric pushrod 3 extends through to sampling apparatus 4
Inner cavity is simultaneously connected with the top of the first sealing plate 16, and the bottom left of the first sealing plate 16 is equipped with second pressure gauge 15, sampling cartridge
It sets and is equipped with the second sealing plate 13 in the middle part of 4 inner cavity, the top left side of the second sealing plate 13 is equipped with the second booster pump 14, and second
The bottom right of sealing plate 13 is equipped with the first booster pump 12, and the inner cavity lower part of sampling apparatus 9 is equipped with third sealing plate 9, the
The top right side of three sealing plates 9 is equipped with first pressure gauge 10, and the left side outer wall top of sampling apparatus 4 and outer right wall lower part are passed through
It is equipped with pressure reducing valve 11, first pressure sensor 17 is equipped between the bottom of left side collecting cassette 5 and the left side wall of sampling apparatus 4,
Second pressure sensor 18 is equipped between the bottom of right side collecting cassette 5 and the right side wall of sampling apparatus 4；
Sampling apparatus 4 and collecting cassette 5 are that pressure resistant type material is constituted, and passes through sealing gluing between collecting cassette 5 and sampling apparatus 4
Even；
Gyro sensor 8, first pressure sensor 17, second pressure sensor 18, first pressure gauge 10 and second pressure gauge
15 input terminal is electrically connected with signal transmission module 19, and the output end of signal transmission module 19 is electrically connected with microcontroller
20, the output end of microcontroller 20 be electrically connected drive module 21, deep statistical module 24, depth calculation module 25,
Balance adjustment module 26, check valve adjustment module 27 and wireless network transmissions 22, the output end of drive module 21 is respectively with first
Booster pump 12 and the second booster pump 14 are electrically connected, and the output end of wireless network transmissions 22 is wirelessly connected with terminal and sets
Standby 23, electric pushrod 3 and microcontroller 20 are electrically connected；
Gyro sensor 8 is used for the tilt angle of real-time monitoring sampling apparatus 4, and information is transmitted to by microcontroller 20
In balance adjustment module 26 and depth calculation module 25；Weight of the first pressure sensor 17 for collecting cassette 5 on the left of real-time monitoring
Amount；Weight of the second pressure sensor 18 for collecting cassette 5 on the right side of real-time monitoring；First pressure gauge 10 is used for real-time monitoring second
The pressure value in cavity surrounded between sealing plate 13 and third sealing plate 9；Second pressure gauge 15 is close for real-time monitoring first
The pressure value in cavity surrounded between sealing plate 16 and the second sealing plate 13；
Signal transmission module 19 is used for gyro sensor 8, first pressure sensor 17, second pressure sensor 18, first
The information detected in pressure gauge 10 and second pressure gauge 15 is transmitted in microcontroller 20；Drive module 21 is for receiving microcontroller
The information of the transmission of device 20 simultaneously drives 14 closure or openness of corresponding first booster pump 12 or the second booster pump；
The water quality sample that deep statistical module 24 passes through the different depth of 6 statistics gatherer of graduation mark；Depth calculation module 26 passes through
The tilt angle information that computing gyroscope sensor 8 transmits calculates the vertical descending depth of sampling apparatus 4, and transmits information to micro-
For the reference of deep statistical module 24 in controller 20；Balance adjustment module 26 passes through the sampling cartridge that gyro sensor 8 transmits
Set 4 tilt angle and the pressure gauge calculating sampling apparatus 4 of first pressure sensor 17 and the acquisition of second pressure sensor 18
The degree of balance of the left and right sides, and transmit information in microcontroller 20；The control of check valve adjustment module 27 left and right sides is unidirectional
Valve successively opens or closes from bottom to up；
Step includes:
S1: by unmanned plane or being stationed device and be connected with connector 2, sampling apparatus 4 is put into river to be detected first, more
Side shape flotation gear 1 floats on river surface, is conducive to the stabilization of sampling apparatus 4；
S2: sending sampled signal by terminal device 23, so that microcontroller 20 is adjusted unidirectionally by check valve adjustment module 27
Valve carries out the water quality acquisition of different depth after opening, deep statistical module 24 and depth calculation module 25 calculate separately and count water
The different depth of matter sampling；
S3: first pressure sensor 17 and second pressure sensor 18 detect the weight of left and right sides collecting cassette 5 respectively, and utilize
26 calculated equilibrium degree of balance adjustment module, then by microcontroller 20 and drive module 21 control the first booster pump 12 or
Second booster pump 14 increases the pressure of corresponding region, to change left and right sides imbalance state, first pressure gauge 10 and second
The pressure value of 15 real-time monitoring corresponding region of pressure gauge controls the first miniature increasing by microcontroller 20 when reaching in control range
Press pump 12 or the second booster pump 14 stop working, and sampling apparatus 4 is kept to balance, and are conducive to calculate depth.
A kind of novel water quality of river sampling apparatus provided by the present invention and its application method are combined using multiple functions
Mode design a kind of water quality of river sampling apparatus, it is low and cannot to have abandoned current water quality of river sampling apparatus the degree of automation
The case where enough acquiring the water quality of different depth, the invention has the following beneficial effects:
1, the present invention by unmanned plane or can be stationed device and be connected with connector, and sampling apparatus is put into river to be detected,
Polygon flotation gear floats on river surface, is conducive to the stabilization of sampling apparatus；
2, the present invention sends sampled signal by terminal device, so that microcontroller adjusts check valve by check valve adjustment module
The water quality acquisition of different depth is carried out after opening, deep statistical module and depth calculation module calculate separately and count water quality sampling
Different depth；
3, first pressure sensor and second pressure sensor of the present invention detects the weight of left and right sides collecting cassette respectively, and utilizes
Balance adjustment module calculated equilibrium degree, it is then miniature by microcontroller and drive module the first booster pump of control or second
Booster pump increases the pressure of corresponding region, to change left and right sides imbalance state；
4, the pressure value of first pressure gauge and second pressure gauge real-time monitoring corresponding region of the present invention, reaches control range Nei Shitong
It crosses microcontroller the first booster pump of control or the second booster pump stops working, keep sampling apparatus balance, be conducive to meter
Calculate depth.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, can't be such that the essence of corresponding technical solution departs from the spirit and scope of the technical scheme of various embodiments of the present invention.
Claims (8)
1. a kind of novel water quality of river sampling apparatus, it is characterised in that: including polygon flotation gear (1), the polygon drift
The center of top of floating device (1) is equipped with connector (2), and the bottom center of the polygon flotation gear (1) is fixedly connected with electricity
Dynamic push rod (3), the bottom of the electric pushrod (3) is connected with sampling apparatus (4), under the left side outer wall of the sampling apparatus (4)
Portion and outer right wall top, which are run through, is connected with three groups of collecting cassettes (5), and the side wall centers of the collecting cassette (5), which run through, is equipped with entrance
(7), check valve is sealedly connected at the port of the entrance (7), the left upper portion and lower right side of the sampling apparatus (4) are set
Have continuous graduation mark (6), the bottom center of the sampling apparatus (4), which runs through, is equipped with gyro sensor (8).
2. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that: the sampling apparatus (4)
Inner cavity top be equipped with the first sealing plate (16), the bottom of the electric pushrod (3) extends through to the inner cavity of sampling apparatus (4)
And be connected with the top of the first sealing plate (16), the bottom left of first sealing plate (16) is equipped with second pressure gauge (15),
The second sealing plate (13) are equipped in the middle part of the inner cavity of the sampling apparatus (4), the top left side of second sealing plate (13) is equipped with
The bottom right of second booster pump (14), second sealing plate (13) is equipped with the first booster pump (12), described to adopt
The inner cavity lower part of sampling device (9) is equipped with third sealing plate (9), and the top right side of the third sealing plate (9) is equipped with first pressure
Table (10), the left side outer wall top and outer right wall lower part of the sampling apparatus (4) are run through equipped with pressure reducing valve (11), left side institute
It states and is equipped with first pressure sensor (17) between the bottom of collecting cassette (5) and the left side wall of sampling apparatus (4), the right side acquisition
Second pressure sensor (18) are equipped between the bottom of box (5) and the right side wall of sampling apparatus (4).
3. a kind of novel water quality of river sampling apparatus according to claim 2, it is characterised in that: the sampling apparatus (4)
It is that pressure resistant type material is constituted, and passes through sealant adhesion between collecting cassette (5) and sampling apparatus (4) with collecting cassette (5).
4. a kind of novel water quality of river sampling apparatus according to claim 2, it is characterised in that: the gyro sensor
(8), first pressure sensor (17), second pressure sensor (18), first pressure gauge (10) and second pressure gauge (15) is defeated
Enter end to be electrically connected with signal transmission module (19), the output end of the signal transmission module (19) is electrically connected with microcontroller
Drive module (21), deep statistical module (24), depth has been electrically connected in device (20), the output end of the microcontroller (20)
Spend computing module (25), balance adjustment module (26), check valve adjustment module (27) and wireless network transmissions (22), the driving
The output end of module (21) is electrically connected with the first booster pump (12) and the second booster pump (14) respectively, described wireless
The output end of network transmission (22) is wirelessly connected with terminal device (23), and the electric pushrod (3) and microcontroller (20) are electrically
Connection.
5. a kind of novel water quality of river sampling apparatus according to claim 4, it is characterised in that: the gyro sensor
(8) it is used for the tilt angle of real-time monitoring sampling apparatus (4), and information is transmitted to balance adjustment mould by microcontroller (20)
In block (26) and depth calculation module (25)；The first pressure sensor (17) is for collecting cassette (5) on the left of real-time monitoring
Weight；Weight of the second pressure sensor (18) for collecting cassette (5) on the right side of real-time monitoring；The first pressure gauge (10)
The pressure value in cavity for being surrounded between the second sealing plate of real-time monitoring (13) and third sealing plate (9)；Second pressure
The pressure value in cavity that power table (15) is used to surround between the first sealing plate of real-time monitoring (16) and the second sealing plate (13).
6. a kind of novel water quality of river sampling apparatus according to claim 4, it is characterised in that: the signal transmission module
(19) it is used for gyro sensor (8), first pressure sensor (17), second pressure sensor (18), first pressure gauge
(10) and in second pressure gauge (15) information detected is transmitted in microcontroller (20)；The drive module (21) is for receiving
The information of microcontroller (20) transmission simultaneously drives corresponding first booster pump (12) or the second booster pump (14) to open
Or closure.
7. a kind of novel water quality of river sampling apparatus according to claim 4, it is characterised in that: the deep statistical module
(24) pass through the water quality sample of the different depth of graduation mark (6) statistics gatherer；The depth calculation module (26) is by calculating top
The tilt angle information of spiral shell instrument sensor (8) transmission calculates sampling apparatus (4) vertical descending depth, and transmits information to micro-control
For deep statistical module (24) reference in device (20) processed；The balance adjustment module (26) is passed by gyro sensor (8)
The pressure of tilt angle and first pressure sensor (17) and second pressure sensor (18) acquisition of the sampling apparatus (4) sent
The degree of balance at left and right sides of sampling apparatus (4) is calculated, and is transmitted information in microcontroller (20)；The unidirectional valve regulation
Module (27) control left and right sides check valve successively opens or closes from bottom to up.
8. a kind of application method of -7 any novel water quality of river sampling apparatuses, step include: according to claim 1
S1: it by unmanned plane or is stationed device first and is connected with connector (2), sampling apparatus (4) is put into river to be detected
In, polygon flotation gear (1) floats on river surface, is conducive to the stabilization of sampling apparatus (4)；
S2: sending sampled signal by terminal device (23), so that microcontroller (20) is adjusted by check valve adjustment module (27)
The water quality acquisition that different depth is carried out after check valve is opened is saved, deep statistical module (24) and depth calculation module (25) are counted respectively
Calculate and count the different depth of water quality sampling；
S3: first pressure sensor (17) and second pressure sensor (18) detect the weight of left and right sides collecting cassette (5) respectively,
And balance adjustment module (26) calculated equilibrium degree is utilized, it is then micro- by microcontroller (20) and drive module (21) control first
Type booster pump (12) or the second booster pump (14) increase the pressure of corresponding region, to change left and right sides imbalance state, the
The pressure value of one pressure gauge (10) and second pressure gauge (15) real-time monitoring corresponding region, passes through micro-control when reaching in control range
Device (20) control the first booster pump (12) processed or the second booster pump (14) stop working, and keep sampling apparatus (4) flat
Weighing apparatus is conducive to calculate depth.
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| CN112051110A (en) * | 2020-10-10 | 2020-12-08 | 江苏旭龙水务有限公司 | Industrial sewage sampling device |
| CN114354281A (en) * | 2022-01-21 | 2022-04-15 | 湖州亿源科技发展有限公司 | Layering sampling equipment for water quality monitoring |
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| CN207516353U (en) * | 2017-12-06 | 2018-06-19 | 中南大学 | A kind of packaged type water monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112051110A (en) * | 2020-10-10 | 2020-12-08 | 江苏旭龙水务有限公司 | Industrial sewage sampling device |
| CN112051110B (en) * | 2020-10-10 | 2023-08-15 | 江苏旭龙水务有限公司 | Industrial sewage sampling device |
| CN114354281A (en) * | 2022-01-21 | 2022-04-15 | 湖州亿源科技发展有限公司 | Layering sampling equipment for water quality monitoring |
| CN114354281B (en) * | 2022-01-21 | 2024-05-31 | 北京好蕴科技有限公司 | Stratified sampling equipment for water quality monitoring |
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