CN108195625A - A kind of water quality detection sampler of remote control type - Google Patents
A kind of water quality detection sampler of remote control type Download PDFInfo
- Publication number
- CN108195625A CN108195625A CN201810083878.4A CN201810083878A CN108195625A CN 108195625 A CN108195625 A CN 108195625A CN 201810083878 A CN201810083878 A CN 201810083878A CN 108195625 A CN108195625 A CN 108195625A
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- China
- Prior art keywords
- water inlet
- fixed
- rotating bar
- sampling
- sampling pipe
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B2035/006—Unmanned surface vessels, e.g. remotely controlled
- B63B2035/008—Unmanned surface vessels, e.g. remotely controlled remotely controlled
-
- 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
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of water quality detection samplers of remote control type, including drone, sampling mechanism is installed in the drone, sampling mechanism includes mounting disc and several sampling pipes being fixed on the mounting disc bottom surface, sampling pipe is uniformly distributed in a ring around the center of mounting disc, form water inlet on the tube wall of sampling pipe upper end, the sampling pipe upper sleeve outside water inlet has rotatory sealing set, and rotatory sealing puts on the water inlet notch for forming and coordinating with the water inlet of sampling pipe；Journal stirrup is formed on the outer wall of rotatory sealing set, rotating bar is fixed on journal stirrup, the upper end of the rotating bar passes through the arc groove being molded in mounting disc, the first compression spring is connected between rotating bar and one end side wall of arc groove, the second compression spring is connected between rotating bar and the other end side wall of arc groove, the side of rotating bar is equipped with piston rod and the pusher cylinder of rotating bar cooperation, and the pusher cylinder is fixed on one end of rocking arm.The present invention, which facilitates, to be applied and reservoir each point water sampling.
Description
Technical field：
The present invention relates to the technical fields of detection auxiliary device, are specifically related to a kind of water quality detection sampling dress of remote control type
It puts.
Background technology：
Environmental monitoring is by the detection of the content, discharge capacity of various substances influential on the mankind and environment, tracks ring
The variation of border quality determines environmental quality level, provides basis for work such as environmental management, pollution controls and ensures.Simply
It says, understands ambient level, carry out environmental monitoring, be the premise for carrying out all environmental works.Environmental monitoring generally includes background tune
It looks into, determine the processes such as scheme, Optimizing, spot sampling, sample transport, experimental analysis, data collection, analysis integrated.Scene
Sampling be environmental monitoring detection in important composition, as Environment of Reservoirs monitor in, data source both from acquisition water sample, and
Each point of the water sample of acquisition from reservoir, existing employing mode are using personnel's acquisition manually by ship, and labor intensity is larger,
Especially for some seasick staff, it is larger that difficulty is acquired manually.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of remote control of new structure
The water quality detection sampler of formula makes it with more the utility value in industry.
Invention content：
The purpose of the present invention aims to solve the problem that problem of the existing technology, provides a kind of facilitate and applies and reservoir each point water sample
The water quality detection sampler of the remote control type of acquisition.
The present invention relates to a kind of water quality detection samplers of remote control type, including drone, are equipped in the drone
Sampling mechanism, the sampling mechanism includes mounting disc and several sampling pipes being fixed on the mounting disc bottom surface, described to adopt
Sample pipe is uniformly distributed in a ring around the center of mounting disc, and the lower end in sampling pipe is bolted with plug, on the tube wall of sampling pipe upper end into
Type has a water inlet, and the sampling pipe upper sleeve outside the water inlet has rotatory sealing set, and the upper end of sampling pipe, which forms, is tightly attached to peace
Flange on sabot bottom surface, the outer wall upper sleeve of sampling pipe are fixed with stop collar, the upper and lower end face difference of the rotatory sealing set
It is resisted against on the flange and stop collar, rotatory sealing puts on the water inlet notch for forming and coordinating with the water inlet of sampling pipe, institute
State the downside that drone hull bottom is distributed in into water notch；
Journal stirrup is formed on the outer wall of the rotatory sealing set, rotating bar is fixed on the journal stirrup, the rotating bar
Upper end passes through the arc groove being molded in mounting disc, and it is same vertical that the center of circle of the arc groove and the center of circle of rotatory sealing set are located at
On line, be connected with the first compression spring between one end side wall of rotating bar and arc groove, the other end side wall of rotating bar and arc groove it
Between be connected with the second compression spring, the side of rotating bar is equipped with piston rod and the pusher cylinder of rotating bar cooperation, and the pusher cylinder is consolidated
One end of rocking arm is scheduled on, the other end of the rocking arm is fixed in the shaft of motor.
By above-mentioned technical proposal, in the use of the present invention, realizing remote control acquisition water sample, before sampling, rotation by drone
Turning sealing shroud by the inlet seal of sampling pipe, test tube is installed in sampling pipe, the nozzle of test tube is located at the lower section of water inlet,
Then plug is screwed on.During sampling, when reaching a sample point, rotating bar, rotation are pushed by the piston rod stretching, extension of pusher cylinder
Bar rotates under the limiting of arc groove along arc groove, while the first compression spring is elongated storage elastic potential energy, the second compression spring is compressed
Store elastic potential energy, rotating bar rotation drive rotatory sealing set rotation so that water inlet notch coincide with water inlet, then water just from
The water inlet notch of rotatory sealing set enters in the test tube in sampling pipe, then the piston rod withdrawal of pusher cylinder, and rotating bar is the
It is resetted under the action of one compression spring and the second compression spring release elastic potential energy, rotatory sealing set is driven to reset the water inlet of closing sampling pipe
Mouthful.When reaching another sample point, motor driving rocking arm rotation so that pusher cylinder reaches the corresponding rotation of another sampling pipe
The side of pipe repeats above-mentioned sampling step, you can be acquired water sample to the test tube in another sampling pipe.
Through the above scheme, the water quality detection sampler of remote control type of the invention can realize remote control acquisition water sample, without
Staff acquires manually, easy to use, and suitable for the collecting work of lake each point water sample, is brought for collection in worksite water sample
It is convenient.
One kind as said program is preferably fixed with the push plate of arc on the piston rod of the pusher cylinder, described to push away
The circular arc inner wall of plate is matched with rotating bar.By said program, the push plate of arc contributes to piston rod and the rotation of pusher cylinder
Bar matches, so as to effectively push rotating bar rotation.
Preferably, the rocking arm is made of one kind as said program the first rectangular slab and the second rectangular slab, and described first
The area of rectangular slab is more than the area of the second rectangular slab, and pusher cylinder is fixed on one end of the second rectangular slab, the shaft of motor to
Under be fixed on the first rectangular slab, the upper end of motor is fixed in the middle part of the bottom surface of the stent of " Contraband " shape, and the both ends of the stent are consolidated
It is scheduled on the upper surface of mounting disc, the first rectangular slab is pressed against on pedestal, and the pedestal is fixed on the upper surface of mounting disc.
One kind as said program preferably, anti-water gauge is fixed in the sampling pipe outer wall of the rotatory sealing set lower section
Label, the waterproof Labels Were Marked with sample label.By said program, the setting of waterproof label contributes to sample collector's understanding each
Water sample ownership in sampling pipe, so as to can effectively be distinguished when taking water sample away.
Preferably, the water inlet and water inlet notch are rectangle, water inlet and water inlet notch to one kind as said program
Height it is equal, the width of notch of intaking is more than the width of water inlet.
Preferably, the sampling tube wall of the water inlet upper and lower sides is equipped with sealing ring to one kind as said program, described
Sealing ring is pressed against on the inner wall of rotatory sealing set.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
Description of the drawings：
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the positive structure diagram of the present invention；
Fig. 2 is the structure diagram of sampling mechanism in Fig. 1；
Fig. 3 is the broken section structure diagram of Fig. 2；
Fig. 4 is the overlooking the structure diagram of the present invention；
Fig. 5 is the present invention looks up structural representation of the present invention；
Fig. 6 is another broken section structure diagram of Fig. 2.
Specific embodiment：
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but be not limited to the scope of the present invention.
Referring to Fig. 1 to Fig. 3, the water quality detection sampler of a kind of remote control type of the present invention, including drone 1, institute
It states and sampling mechanism 2 is installed in drone 1, the sampling mechanism 2 includes mounting disc 21 and is fixed on 21 bottom surface of mounting disc
On several sampling pipes 22, the sampling pipe 22 is uniformly distributed in a ring around the center of mounting disc 21, in sampling pipe 22 under
End is bolted with plug 3, forms water inlet 221 on 22 upper end tube wall of sampling pipe, is inserted on the sampling pipe 22 outside the water inlet 221
Rotatory sealing set 23 is cased with, the upper end of sampling pipe 22 forms the flange 222 being tightly attached on 21 bottom surface of mounting disc, sampling pipe 22
Outer wall upper sleeve is fixed with stop collar 223, and the upper and lower end face of the rotatory sealing set 23 is born against in the flange 222 and limit
On position set 223, the water inlet notch 231 coordinated with the water inlet of sampling pipe 22 221, the water inlet are formed on rotatory sealing set 23
Notch 231 is distributed in the downside of 1 hull bottom of drone, and water inlet 221 and water inlet notch 231 are rectangle, water inlet 221 and water inlet
The height of notch 231 is equal, and the width of water inlet notch 231 is more than the width of water inlet 221, the sampling of 221 upper and lower sides of water inlet
22 tube wall of pipe is equipped with sealing ring 4, and the sealing ring 4 is pressed against on the inner wall of rotatory sealing set 23,23 lower section of rotatory sealing set
22 outer wall of sampling pipe on be fixed with waterproof label 5, the waterproof label 5 is marked with sample label.
Referring to Fig. 2, fig. 4 to fig. 6, the rotatory sealing, which covers, forms journal stirrup 232 on 23 outer wall, on the journal stirrup 232
Rotating bar 6 is fixed with, the upper end of the rotating bar 6 passes through the arc groove 211 being molded in mounting disc 21, the arc groove 211
The center of circle of the center of circle and rotatory sealing set 23 be located on same vertical line, connect between one end side wall of rotating bar 6 and arc groove 211
The first compression spring 71 is connected to, is connected with the second compression spring 72 between rotating bar 6 and the other end side wall of arc groove 211, the one of rotating bar 6
Side is equipped with the pusher cylinder 8 that piston rod coordinates with rotating bar 6, and the push plate of arc is fixed on the piston rod of the pusher cylinder 8
81, the circular arc inner wall of the push plate 81 is matched with rotating bar 6, and pusher cylinder 8 is fixed on one end of rocking arm 9, the rocking arm 9
The other end is fixed in the shaft of motor 10, and rocking arm 9 is made of the first rectangular slab 91 and the second rectangular slab 92, first rectangle
The area of plate 91 is more than the area of the second rectangular slab 92, and pusher cylinder 8 is fixed on one end of the second rectangular slab 92, and motor 20 turns
Axis is downwardly fixed on the first rectangular slab 91, and the upper end of motor 10 is fixed in the middle part of the bottom surface of the stent 93 of " Contraband " shape, the branch
The both ends of frame 93 are fixed on the upper surface of mounting disc 21, and the first rectangular slab 91 is pressed against on pedestal 94, and the pedestal 94 is fixed
On the upper surface of mounting disc 21.
The present invention realizes remote control acquisition water sample in the specific implementation, by drone 1, and before sampling, rotatory sealing set 23 will
The water inlet 221 of sampling pipe 22 seals, and test tube is installed in sampling pipe 22, and the nozzle of test tube is located at the lower section of water inlet 221,
Then plug 3 is screwed on.During sampling, when reaching a sample point, rotating bar 6 is pushed by the piston rod stretching, extension of pusher cylinder 8, is turned
Lever 6 rotates under the limiting of arc groove 211 along arc groove 211, while the first compression spring 71 is elongated storage elastic potential energy, second
Compression spring 72 stores elastic potential energy by compression, and rotatory sealing set 23 is driven to rotate for the rotation of rotating bar 6 so that water inlet notch 231 and water inlet
Mouth 221 coincides, then water just enters from the water inlet notch 231 of rotatory sealing set 23 in the test tube in sampling pipe 22, then pushes
The piston rod of cylinder 8 is withdrawn, and rotating bar 6 resets under the action of the first compression spring 71 and the second compression spring 72 release elastic potential energy, band
Dynamic rotatory sealing set 23 resets the water inlet 221 of closing sampling pipe 22.When reaching another sample point, motor 10 drives rocking arm 9
Rotation so that pusher cylinder 8 reaches the side of another 22 corresponding rotation pipe 6 of sampling pipe, repeats above-mentioned sampling step, you can
Water sample is acquired to the test tube in another sampling pipe 22.
In conclusion the water quality detection sampler of the remote control type of the present invention can realize remote control acquisition water sample, without work
Personnel acquire manually, easy to use, and suitable for the collecting work of lake each point water sample, are brought just for collection in worksite water sample
Profit.
The water quality detection sampler of remote control type provided by the present invention, only specific embodiment of the invention, but this
The protection domain of invention is not limited thereto, any one skilled in the art the invention discloses technical scope
It is interior, change or replacement can be readily occurred in, should all be covered within the scope of the present invention.Therefore, protection scope of the present invention should
It is subject to the scope of the claims.
Claims (6)
1. including drone (1), sampling mechanism is equipped in the drone for a kind of water quality detection sampler of remote control type
(2), it is characterised in that：
The sampling mechanism (2) includes mounting disc (21) and several sampling pipes (22) being fixed on the mounting disc bottom surface,
The sampling pipe is uniformly distributed in a ring around the center of mounting disc (21), and the lower end in sampling pipe (22) is bolted with plug (3), adopts
Form water inlet (221) on the tube wall of sample pipe (22) upper end, sampling pipe (22) upper sleeve outside the water inlet has rotatory sealing
Cover (23), the upper end of sampling pipe (22) forms the flange (222) being tightly attached on mounting disc (21) bottom surface, sampling pipe (22) it is outer
Wall upper sleeve is fixed with stop collar (223), and the upper and lower end face of the rotatory sealing set (23) is born against in the flange (222)
On stop collar (223), the water inlet notch with the water inlet of sampling pipe (22) (221) cooperation is formed on rotatory sealing set (23)
(231), the water inlet notch is distributed in the downside of drone (1) hull bottom；
Journal stirrup (232) is formed on the outer wall of the rotatory sealing set (23), rotating bar (6) is fixed on the journal stirrup, it is described
The upper end of rotating bar passes through the arc groove (211) being molded in mounting disc (21), the center of circle and the rotatory sealing set of the arc groove
(23) the center of circle is located on same vertical line, and the first compression spring is connected between one end side wall of rotating bar (6) and arc groove (211)
(71), the second compression spring (72), the side of rotating bar (6) are connected between the other end side wall of rotating bar (6) and arc groove (211)
Pusher cylinder (8) equipped with piston rod and rotating bar cooperation, the pusher cylinder are fixed on one end of rocking arm (9), the rocking arm
(8) the other end is fixed in the shaft of motor (10).
2. the water quality detection sampler of remote control type according to claim 1, it is characterised in that：The pusher cylinder (8)
Piston rod on be fixed with the push plate (81) of arc, the circular arc inner wall of the push plate is matched with rotating bar (6).
3. the water quality detection sampler of remote control type according to claim 1, it is characterised in that：The rocking arm (9) is by
One rectangular slab (91) and the second rectangular slab (92) composition, the area of first rectangular slab (91) are more than the second rectangular slab (92)
Area, pusher cylinder (8) are fixed on one end of the second rectangular slab (92), and the shaft of motor (10) is downwardly fixed to the first rectangular slab
(91) on, the upper end of motor (10) is fixed in the middle part of the bottom surface of the stent (93) of " Contraband " shape, and the both ends of the stent are fixed on peace
On the upper surface of sabot (21), the first rectangular slab (91) is pressed against on pedestal (94), and the pedestal is fixed on mounting disc (21)
On upper surface.
4. the water quality detection sampler of remote control type according to claim 1, it is characterised in that：The rotatory sealing set
(23) waterproof label (5) is fixed on sampling pipe (22) outer wall below, the waterproof Labels Were Marked with sample label.
5. the water quality detection sampler of remote control type according to claim 1, it is characterised in that：The water inlet (221)
It is rectangle with water inlet notch (231), the height of water inlet (221) and water inlet notch (231) is equal, notch (231) of intaking
Width is more than the width of water inlet (221).
6. the water quality detection sampler of remote control type according to claim 1, it is characterised in that：The water inlet (221)
Sampling pipe (22) tube wall of upper and lower sides is equipped with sealing ring (4), and the sealing ring is pressed against on the inner wall of rotatory sealing set (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083878.4A CN108195625A (en) | 2018-01-29 | 2018-01-29 | A kind of water quality detection sampler of remote control type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083878.4A CN108195625A (en) | 2018-01-29 | 2018-01-29 | A kind of water quality detection sampler of remote control type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195625A true CN108195625A (en) | 2018-06-22 |
Family
ID=62590929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810083878.4A Pending CN108195625A (en) | 2018-01-29 | 2018-01-29 | A kind of water quality detection sampler of remote control type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108195625A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572094A (en) * | 2018-06-28 | 2018-09-25 | 南京信息工程大学 | A kind of multigroup water sampling storage device |
| CN110104132A (en) * | 2019-05-22 | 2019-08-09 | 合肥学院 | A kind of unmanned boat for water quality detection |
| CN110844096A (en) * | 2019-12-16 | 2020-02-28 | 杜志刚 | Water sampling environmental protection unmanned aerial vehicle |
| CN114002400A (en) * | 2021-09-30 | 2022-02-01 | 卢莹 | Engineering geology reconnaissance water quality analysis system |
| CN114235501A (en) * | 2021-12-17 | 2022-03-25 | 高晓霞 | Environmental engineering protection class automatic extraction detection device |
| CN118225996A (en) * | 2024-05-24 | 2024-06-21 | 江西省水产科学研究所(江西省鄱阳湖渔业研究中心、江西省渔业资源生态环境监测中心) | Water quality detection device for raising soft-shelled turtles in paddy field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149054A (en) * | 2013-01-31 | 2013-06-12 | 河海大学 | One-time layering sampling a plurality of unmixed groundwater samples device and method |
| CN106441994A (en) * | 2016-10-31 | 2017-02-22 | 东莞市天合机电开发有限公司 | Sampling device for lake water quality detection |
| CN106596194A (en) * | 2016-11-11 | 2017-04-26 | 长江大学 | Time delay sampling liquid sampler and sampling method |
-
2018
- 2018-01-29 CN CN201810083878.4A patent/CN108195625A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149054A (en) * | 2013-01-31 | 2013-06-12 | 河海大学 | One-time layering sampling a plurality of unmixed groundwater samples device and method |
| CN106441994A (en) * | 2016-10-31 | 2017-02-22 | 东莞市天合机电开发有限公司 | Sampling device for lake water quality detection |
| CN106596194A (en) * | 2016-11-11 | 2017-04-26 | 长江大学 | Time delay sampling liquid sampler and sampling method |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572094A (en) * | 2018-06-28 | 2018-09-25 | 南京信息工程大学 | A kind of multigroup water sampling storage device |
| CN108572094B (en) * | 2018-06-28 | 2023-11-10 | 南京信息工程大学 | Multiunit water sample collection storage device |
| CN110104132A (en) * | 2019-05-22 | 2019-08-09 | 合肥学院 | A kind of unmanned boat for water quality detection |
| CN110104132B (en) * | 2019-05-22 | 2021-02-09 | 合肥学院 | Unmanned ship for water quality detection |
| CN110844096A (en) * | 2019-12-16 | 2020-02-28 | 杜志刚 | Water sampling environmental protection unmanned aerial vehicle |
| CN114002400A (en) * | 2021-09-30 | 2022-02-01 | 卢莹 | Engineering geology reconnaissance water quality analysis system |
| CN114002400B (en) * | 2021-09-30 | 2024-09-24 | 云南冶金资源股份有限公司 | Engineering geological investigation water quality analysis system |
| CN114235501A (en) * | 2021-12-17 | 2022-03-25 | 高晓霞 | Environmental engineering protection class automatic extraction detection device |
| CN114235501B (en) * | 2021-12-17 | 2024-01-09 | 高晓霞 | Automatic extraction and detection device for environmental engineering protection class |
| CN118225996A (en) * | 2024-05-24 | 2024-06-21 | 江西省水产科学研究所(江西省鄱阳湖渔业研究中心、江西省渔业资源生态环境监测中心) | Water quality detection device for raising soft-shelled turtles in paddy field |
| CN118225996B (en) * | 2024-05-24 | 2024-08-02 | 江西省水产科学研究所(江西省鄱阳湖渔业研究中心、江西省渔业资源生态环境监测中心) | Water quality detection device for raising soft-shelled turtles in paddy field |
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Application publication date: 20180622 |