CN108444768A - A kind of novel water quality of river sampling apparatus - Google Patents
A kind of novel water quality of river sampling apparatus Download PDFInfo
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- CN108444768A CN108444768A CN201810652021.XA CN201810652021A CN108444768A CN 108444768 A CN108444768 A CN 108444768A CN 201810652021 A CN201810652021 A CN 201810652021A CN 108444768 A CN108444768 A CN 108444768A
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- water pipe
- cable wire
- disk
- vasculum
- telescopic arm
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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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a kind of novel water quality of river sampling apparatuses, including bottom plate, universal wheel, fixed inserted link, push-pull rod, supporting rack, telescopic mast, accumulator, collecting bottle, rotary electric machine, water pipe disk, cable wire disk, water pipe, suction pump, cable wire, fixture block, telescopic arm, pull rod, shaft, locating ring, fixed pulley, vasculum, through-hole and filter screen.The beneficial effects of the invention are as follows：Supporting rack is divided into three layers by partition board, avoid the work that influences each other, water pipe disk and cable wire disk are mounted on the bearing of same diameter, and rotary electric machine is attached by belt and water pipe disk and cable wire disk, keep water pipe identical with the stretching speed of cable wire, telescopic mast is with telescopic arm in rotation connection, convenient for telescopic arm is carried out folding and unfolding, cable wire is equipped with length line, energy making the grade must collect the sample of required depth, and the bottom of vasculum is equipped with heavy burden body, and the through-hole of vasculum side wall is more than the diameter of filter screen, convenient for sinking to deeper position, and reduce sundries.
Description
Technical field
The present invention relates to a kind of sampling apparatus, specially a kind of novel water quality of river sampling apparatus belongs to monitoring water environment
Engineering device technique field.
Background technology
Water is one of element for the survival of mankind, country formulated water quality evaluation, forecast, prediction regulation,
China enters surface water body and the pollutant implementation prison of production, the effluent of living facilities institute to all rivers, reservoir etc. at present
It surveys, prevents water pollution, protection from improving water environment, now with the growth of national economy, the more next weight of pollution in river carries out water quality
An important factor for detection is the relationship national economic development and people's health, in water quality detection work, water quality sampling right and wrong
Often important link.
But present water quality sampling device structure is relatively simple, first, the general water sample that can only all acquire riverbank both sides,
The water sample at river center is taken and needs to complete by ship, thus cause to sample it is cumbersome, second, there are also
Some telescopic sampling apparatuses can adopt the water sample to the korneforos heart, but this device is not foldable so that carry and preserve very
Inconvenience, third, the sampling for water quality, is mostly the water quality for acquiring water surface, however, being not easy accurately to collect predetermined depth
Water quality, fourth, each hydrophore is required for more people's co-ordinations substantially, and it is higher to sample repeatability, is sampled to each layer of water body
Synchronism is smaller, larger to the disturbance of water body, it is difficult to which acquisition water sample in situ or sampler not enough automate, and cannot fully expire
The demand of sufficient water body hierarchical synchronization efficient sampling.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of novel water quality of river sampling apparatus.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of novel water quality of river sampling apparatus, including bottom
Plate, universal wheel, fixed inserted link, push-pull rod, supporting rack, telescopic mast, accumulator, collecting bottle, rotary electric machine, water pipe disk, cable wire disk,
Water pipe, suction pump, cable wire, fixture block, telescopic arm, pull rod, shaft, locating ring, fixed pulley, vasculum, through-hole and filter screen；It is described
Bottom plate is located at the bottom of the sampling apparatus, and the lower surface of the bottom plate is connected with universal wheel, and the universal wheel is separately mounted to bottom
The both sides of the four corners of plate, the bottom plate are mounted with fixed inserted link, are welded with push-pull rod on the left of the bottom plate, on the bottom plate
Surface is provided with supporting rack and telescopic mast, and the accumulator, collecting bottle and rotary electric machine are arranged on supporting rack, the water pipe
Disk and cable wire disk are connected to supporting rack upper end, and the water pipe disk is located at the left side of cable wire disk, and the water pipe disk is higher than cable wire disk
Setting, on water pipe disk, the other end of the water pipe is placed in vasculum the one ends wound of the water pipe, the suction pump peace
Mounted in the lower section of water pipe disk, the water inlet end of the suction pump is attached with the water pipe end being wrapped on water pipe disk, the pumping
The water outlet of water pump is placed on collecting bottle bottle mouth position by hose, and the one ends wound of the cable wire is on cable wire disk, the cable wire
The other end be attached with vasculum, the fixture block is mounted on flexible column bottom, and the telescopic arm is mounted on telescopic mast upper end,
The pull rod is connected between telescopic mast and telescopic arm, and the shaft is located at the junction of telescopic mast and telescopic arm, the positioning
Ring is fixed on telescopic arm, and the fixed pulley is separately mounted to the both ends of telescopic arm, and the vasculum is connected to by cable wire to be stretched
Below the top of contracting arm, the side wall of the vasculum is provided with multiple through-holes, and the filter screen is arranged in vasculum, and filter screen
It is sleeved on the end of water pipe.
Preferably, in order to lower the center of gravity, keep the sampling apparatus more stable, support frame as described above is divided into three layers by partition board,
And accumulator, collecting bottle and rotary electric machine be placed in down successively, in, upper layer.
Preferably, in order to keep water pipe identical with the stretching speed of cable wire, the water pipe disk and cable wire disk are mounted on identical straight
On the bearing of diameter, and rotary electric machine is attached by belt and water pipe disk and cable wire disk.
Preferably, for the ease of telescopic arm is carried out folding and unfolding, reduce the occupied space of the sampling apparatus, the telescopic mast with
Telescopic arm is in rotation connection, and telescopic arm card is placed in the fixture block on telescopic mast.
Preferably, the sample of required depth must be collected in order to standard, the cable wire is equipped with length line.
Preferably, for the ease of sinking to deeper position, and the sundries in acquisition water sample, the bottom of the vasculum are reduced
Portion is equipped with heavy burden body, and the through-hole of vasculum side wall is more than the diameter of filter screen.
The beneficial effects of the invention are as follows：The novel water quality of river sampling apparatus reasonable design, supporting rack are divided by partition board
Three layers, and accumulator, collecting bottle and rotary electric machine be placed in down successively, in, upper layer, make accumulator, collecting bottle and rotary electric machine
Layering placement is carried out, the work that influences each other is avoided, while accumulator is placed in lower layer, can lower the center of gravity, make the sampling cartridge
Set more stable, water pipe disk and cable wire disk are mounted on the bearing of same diameter, and rotary electric machine by belt and water pipe disk and
Cable wire disk is attached, and rotary electric machine drives water pipe disk and the same rotational speed of cable wire disk, make water pipe and cable wire in rotation process
Stretching speed it is identical, telescopic mast and telescopic arm are in rotation connection, and telescopic arm card is placed in the fixture block on telescopic mast, convenient for will
Telescopic arm carries out folding and unfolding, reduces the occupied space of the sampling apparatus, while also allowing for moving, and cable wire is equipped with length line, can
It allows sample collector to grasp the depth of the goed deep into water surface of vasculum in time, the sample of required depth must be collected so as to standard,
The bottom of vasculum is equipped with heavy burden body, and the through-hole of vasculum side wall is more than the diameter of filter screen, and vasculum is made to obtain whole weight
Power is more than the buoyancy of water, convenient for sinking to deeper position, and by the secondary filter of through-hole and filter screen, greatly reduces acquisition
Sundries in water sample.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure of the invention telescopic arm folding and unfolding schematic diagram；
Fig. 3 is structure of the invention vasculum schematic diagram；
Fig. 4 is structure of the invention filter screen connection diagram.
In figure：1, bottom plate, 2, universal wheel, 3, fixed inserted link, 4, push-pull rod, 5, supporting rack, 6, telescopic mast, 7, accumulator,
8, collecting bottle, 9, rotary electric machine, 10, water pipe disk, 11, cable wire disk, 12, water pipe, 13, suction pump, 14, cable wire, 15, fixture block, 16,
Telescopic arm, 17, pull rod, 18, shaft, 19, locating ring, 20, fixed pulley, 21, vasculum, 22, through-hole and 23, filter screen.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1 ~ 4, a kind of novel water quality of river sampling apparatus, including bottom plate 1, universal wheel 2, fixed inserted link 3, push-and-pull
Bar 4, supporting rack 5, telescopic mast 6, accumulator 7, collecting bottle 8, rotary electric machine 9, water pipe disk 10, cable wire disk 11, water pipe 12, suction pump
13, cable wire 14, fixture block 15, telescopic arm 16, pull rod 17, shaft 18, locating ring 19, fixed pulley 20, vasculum 21, through-hole 22 and mistake
Strainer 23；The bottom plate 1 is located at the bottom of the sampling apparatus, and the lower surface of the bottom plate 1 is connected with universal wheel 2, described universal
Wheel 2 is separately mounted to the four corners of bottom plate 1, and the both sides of the bottom plate 1 are mounted with fixed inserted link 3, the left side welding of the bottom plate 1
There are push-pull rod 4,1 upper surface of the bottom plate to be provided with supporting rack 5 and telescopic mast 6, the accumulator 7, collecting bottle 8 and rotary electric machine
9 are arranged on supporting rack 5, and the water pipe disk 10 and cable wire disk 11 are connected to 5 upper end of supporting rack, and the water pipe disk 10 is located at steel
The left side of rope disk 11, and the water pipe disk 10 higher than cable wire disk 11 be arranged, the one ends wound of the water pipe 12 on water pipe disk 10,
The other end of the water pipe 12 is placed in vasculum 21, and the suction pump 13 is mounted on the lower section of water pipe disk 10, described to draw water
The water inlet end of pump 13 is attached with 12 end of water pipe being wrapped on water pipe disk 10, and the water outlet of the suction pump 13 passes through soft
Pipe is placed on 8 bottle mouth position of collecting bottle, the one ends wound of the cable wire 14 on cable wire disk 11, the other end of the cable wire 14 with adopt
Header 21 is attached, and the fixture block 15 is mounted on 6 bottom of telescopic mast, and the telescopic arm 16 is mounted on 6 upper end of telescopic mast, described
Pull rod 17 is connected between telescopic mast 6 and telescopic arm 16, and the shaft 18 is located at the junction of telescopic mast 6 and telescopic arm 16, institute
It states locating ring 19 to be fixed on telescopic arm 16, the fixed pulley 20 is separately mounted to the both ends of telescopic arm 16, the vasculum 21
It is connected to by cable wire 14 below the top of telescopic arm 16, the side wall of the vasculum 21 is provided with multiple through-holes 22, the filtering
Net 23 is arranged in vasculum 21, and filter screen 23 is sleeved on the end of water pipe 12.
Support frame as described above 5 is divided into three layers by partition board, and accumulator 7, collecting bottle 8 and rotary electric machine 9 be placed in down successively,
In, upper layer, so that accumulator 7, collecting bottle 8 and rotary electric machine 9 is carried out layering placement, avoid the work that influences each other, while by electric power storage
Pond 7 is placed in lower layer, can lower the center of gravity, and keeps the sampling apparatus more stable, and the water pipe disk 10 and cable wire disk 11 are mounted on
On the bearing of same diameter, and rotary electric machine 9 is attached by belt and water pipe disk 10 and cable wire disk 11, and rotary electric machine 9 exists
In rotation process, water pipe disk 10 and 11 same rotational speed of cable wire disk are driven, keeps water pipe 12 identical with the stretching speed of cable wire 14, institute
Telescopic mast 6 is stated with telescopic arm 16 in rotation connection, and the card of telescopic arm 16 is placed in the fixture block 15 on telescopic mast 6, convenient for that will stretch
Arm 16 carries out folding and unfolding, reduces the occupied space of the sampling apparatus, while also allowing for moving, and the cable wire 14 is equipped with length line,
Sample collector can be allowed to grasp the depth of 21 the goed deep into water surface of vasculum in time, required depth must be collected so as to standard
The bottom of sample, the vasculum 21 is equipped with heavy burden body, and the through-hole 22 of 21 side wall of vasculum is more than the diameter of filter screen 23,
So that vasculum 21 is obtained the buoyancy that whole gravity is more than water, convenient for sinking to deeper position, and passes through through-hole 22 and filter screen 23
Secondary filter, greatly reduce acquisition water sample in sundries.
Operation principle：When using the novel water quality of river sampling apparatus, this is shifted onto river bank using device, used
Fixed inserted link 3 is fixed, and then takes out telescopic arm 16 out of fixture block 15, is connected to telescopic mast 6 using pull rod 17 and is stretched
Between arm 16, water pipe 12 and cable wire 14 are being passed through locating ring 19, is being attached with vasculum 21, adjusts the length of telescopic arm 16
Degree, vasculum 21 is put down from the center in river, according to the length line on cable wire 14, sample collector is allowed to grasp vasculum in time
The depth of 21 the goed deep into waters surface, the sample of required depth must be collected so as to standard.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of novel water quality of river sampling apparatus, it is characterised in that：Including bottom plate（1）, universal wheel（2）, fixed inserted link（3）、
Push-pull rod（4）, supporting rack（5）, telescopic mast（6）, accumulator（7）, collecting bottle（8）, rotary electric machine（9）, water pipe disk（10）, cable wire
Disk（11）, water pipe（12）, suction pump（13）, cable wire（14）, fixture block（15）, telescopic arm（16）, pull rod（17）, shaft（18）, it is fixed
Position ring（19）, fixed pulley（20）, vasculum（21）, through-hole（22）And filter screen（23）；The bottom plate（1）Positioned at the sampling apparatus
Bottom, the bottom plate（1）Lower surface be connected with universal wheel（2）, the universal wheel（2）It is separately mounted to bottom plate（1）Four
At angle, the bottom plate（1）Both sides be mounted with fixed inserted link（3）, the bottom plate（1）Left side be welded with push-pull rod（4）, described
Bottom plate（1）Upper surface is provided with supporting rack（5）And telescopic mast（6）, the accumulator（7）, collecting bottle（8）And rotary electric machine（9）
It is arranged at supporting rack（5）On, the water pipe disk（10）With cable wire disk（11）It is connected to supporting rack（5）Upper end, the water pipe disk
（10）Positioned at cable wire disk（11）Left side, and the water pipe disk（10）Higher than cable wire disk（11）Setting, the water pipe（12）One
End is wrapped in water pipe disk（10）On, the water pipe（12）The other end be placed in vasculum（21）It is interior, the suction pump（13）Peace
Mounted in water pipe disk（10）Lower section, the suction pump（13）Water inlet end and be wrapped in water pipe disk（10）On water pipe（12）End
It is attached, the suction pump（13）Water outlet collecting bottle is placed on by hose（8）Bottle mouth position, the cable wire（14）One
End is wrapped in cable wire disk（11）On, the cable wire（14）The other end and vasculum（21）It is attached, the fixture block（15）Peace
Mounted in telescopic mast（6）Bottom, the telescopic arm（16）Mounted on telescopic mast（6）Upper end, the pull rod（17）It is connected to telescopic mast
（6）With telescopic arm（16）Between, the shaft（18）Positioned at telescopic mast（6）With telescopic arm（16）Junction, the locating ring
（19）It is fixed on telescopic arm（16）On, the fixed pulley（20）It is separately mounted to telescopic arm（16）Both ends, the vasculum
（21）Pass through cable wire（14）It is connected to telescopic arm（16）Top below, the vasculum（21）Side wall be provided with multiple through-holes
（22）, the filter screen（23）It is arranged in vasculum（21）It is interior, and filter screen（23）It is sleeved on water pipe（12）End.
2. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that：Support frame as described above（5）It is logical
It crosses partition board and is divided into three layers, and accumulator（7）, collecting bottle（8）And rotary electric machine（9）Be placed in down successively, in, upper layer.
3. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that：The water pipe disk（10）With
Cable wire disk（11）On the bearing of same diameter, and rotary electric machine（9）Pass through belt and water pipe disk（10）With cable wire disk
（11）It is attached.
4. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that：The telescopic mast（6）With
Telescopic arm（16）In rotation connection, and telescopic arm（16）Card is placed on telescopic mast（6）On fixture block（15）It is interior.
5. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that：The cable wire（14）On set
There is length line.
6. a kind of novel water quality of river sampling apparatus according to claim 1, it is characterised in that：The vasculum（21）'s
Bottom is equipped with heavy burden body, and vasculum（21）The through-hole of side wall（22）More than filter screen（23）Diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652021.XA CN108444768A (en) | 2018-06-22 | 2018-06-22 | A kind of novel water quality of river sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810652021.XA CN108444768A (en) | 2018-06-22 | 2018-06-22 | A kind of novel water quality of river sampling apparatus |
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| Publication Number | Publication Date |
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| CN108444768A true CN108444768A (en) | 2018-08-24 |
Family
ID=63207243
Family Applications (1)
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| CN201810652021.XA Pending CN108444768A (en) | 2018-06-22 | 2018-06-22 | A kind of novel water quality of river sampling apparatus |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668760A (en) * | 2019-02-20 | 2019-04-23 | 谢杰 | A kind of water-quality sampler that can flexibly shrink |
| CN109916677A (en) * | 2019-04-09 | 2019-06-21 | 湖南农业大学 | Liquid sample equipment |
| CN110068483A (en) * | 2019-05-27 | 2019-07-30 | 邯郸百世创联电子科技有限公司 | A kind of environmental monitoring Urban Underground sewage detection sampler |
| CN110146343A (en) * | 2019-06-24 | 2019-08-20 | 黄河水利职业技术学院 | A kind of environmental monitoring sewage sampling device |
| CN110617998A (en) * | 2019-10-23 | 2019-12-27 | 中国科学院地理科学与资源研究所 | Telescopic stratified water sample sampling device |
| CN110672784A (en) * | 2019-10-29 | 2020-01-10 | 饶宾期 | Water body dissolved oxygen detection device based on machine vision |
| CN110702466A (en) * | 2019-10-28 | 2020-01-17 | 黄河水利职业技术学院 | Hydrology monitoring devices |
| CN110987526A (en) * | 2019-11-25 | 2020-04-10 | 徐州志欧机电设备有限公司 | Water sample collection system |
| CN111381011A (en) * | 2020-02-14 | 2020-07-07 | 中国电建集团贵阳勘测设计研究院有限公司 | Sampler for underground water quality investigation |
| CN113495016A (en) * | 2021-07-01 | 2021-10-12 | 辽宁大学 | Semi-automatic quantitative aquatic organism collecting device and collecting method thereof |
| CN114062051A (en) * | 2021-12-02 | 2022-02-18 | 大连理工大学 | Shore type river center water body sampling device |
| CN114705506A (en) * | 2022-06-02 | 2022-07-05 | 潍坊标智环保设备有限公司 | Water sampling device for environmental monitoring |
| CN116539372A (en) * | 2023-07-04 | 2023-08-04 | 上海科泽智慧环境科技有限公司 | Water quality monitoring device suitable for different environments and use method |
| CN116929853A (en) * | 2023-09-14 | 2023-10-24 | 中璞软件(海南)有限公司 | Automatic fixed-point water taking device for water quality monitoring shore station |
| WO2024021528A1 (en) * | 2022-07-25 | 2024-02-01 | 长江水利委员会长江科学院 | Micro-plastic enrichment apparatus and method for river |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109668760A (en) * | 2019-02-20 | 2019-04-23 | 谢杰 | A kind of water-quality sampler that can flexibly shrink |
| CN109668760B (en) * | 2019-02-20 | 2022-04-01 | 谢杰 | Water quality sampler capable of being flexibly contracted |
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| CN110068483A (en) * | 2019-05-27 | 2019-07-30 | 邯郸百世创联电子科技有限公司 | A kind of environmental monitoring Urban Underground sewage detection sampler |
| CN110146343A (en) * | 2019-06-24 | 2019-08-20 | 黄河水利职业技术学院 | A kind of environmental monitoring sewage sampling device |
| CN110617998A (en) * | 2019-10-23 | 2019-12-27 | 中国科学院地理科学与资源研究所 | Telescopic stratified water sample sampling device |
| CN110617998B (en) * | 2019-10-23 | 2024-05-24 | 中国科学院地理科学与资源研究所 | Telescopic layered water sample sampling device |
| CN110702466A (en) * | 2019-10-28 | 2020-01-17 | 黄河水利职业技术学院 | Hydrology monitoring devices |
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| CN110672784B (en) * | 2019-10-29 | 2024-06-11 | 华星德安(河北)环保科技有限公司 | Water body dissolved oxygen detection device based on machine vision |
| CN110672784A (en) * | 2019-10-29 | 2020-01-10 | 饶宾期 | Water body dissolved oxygen detection device based on machine vision |
| CN110987526A (en) * | 2019-11-25 | 2020-04-10 | 徐州志欧机电设备有限公司 | Water sample collection system |
| CN111381011A (en) * | 2020-02-14 | 2020-07-07 | 中国电建集团贵阳勘测设计研究院有限公司 | Sampler for underground water quality investigation |
| CN111381011B (en) * | 2020-02-14 | 2024-04-23 | 中国电建集团贵阳勘测设计研究院有限公司 | Sampler for underground water quality investigation |
| CN113495016A (en) * | 2021-07-01 | 2021-10-12 | 辽宁大学 | Semi-automatic quantitative aquatic organism collecting device and collecting method thereof |
| CN114062051A (en) * | 2021-12-02 | 2022-02-18 | 大连理工大学 | Shore type river center water body sampling device |
| CN114062051B (en) * | 2021-12-02 | 2022-09-06 | 大连理工大学 | Shore type river center water body sampling device |
| CN114705506A (en) * | 2022-06-02 | 2022-07-05 | 潍坊标智环保设备有限公司 | Water sampling device for environmental monitoring |
| WO2024021528A1 (en) * | 2022-07-25 | 2024-02-01 | 长江水利委员会长江科学院 | Micro-plastic enrichment apparatus and method for river |
| CN116539372B (en) * | 2023-07-04 | 2023-09-01 | 上海科泽智慧环境科技有限公司 | Water quality monitoring device suitable for different environments and use method |
| CN116539372A (en) * | 2023-07-04 | 2023-08-04 | 上海科泽智慧环境科技有限公司 | Water quality monitoring device suitable for different environments and use method |
| CN116929853A (en) * | 2023-09-14 | 2023-10-24 | 中璞软件(海南)有限公司 | Automatic fixed-point water taking device for water quality monitoring shore station |
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