CN116973312B - River ecology monitoring device - Google Patents
River ecology monitoring device Download PDFInfo
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- CN116973312B CN116973312B CN202311240710.7A CN202311240710A CN116973312B CN 116973312 B CN116973312 B CN 116973312B CN 202311240710 A CN202311240710 A CN 202311240710A CN 116973312 B CN116973312 B CN 116973312B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000012937 correction Methods 0.000 claims abstract description 18
- 230000003993 interaction Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000036541 health Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/05—Floating filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
- G01N27/08—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid which is flowing continuously
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a river ecology monitoring device which comprises a monitoring device body, wherein the monitoring device body comprises a first anchor rod, a second anchor rod, a floating mechanism, a correction assembly, a switching module and a monitoring module, the bottoms of the first anchor rod and the second anchor rod are embedded into the bottom of a river to be monitored, an upright post is arranged at the top of the first anchor rod, and the first anchor rod and the second anchor rod are connected through the correction assembly. The monitoring device monitors the soluble solid matters and turbidity of river water quality through the laser turbidity meter and the electrode rod, provides shielding protection effect for the monitoring module through the external filter screen, prolongs the service life of the monitoring module, and can drive the monitoring module at the bottom to rotate by means of flowing water body by matching a plurality of pressure-bearing assemblies at the bottom through the switching module in the floating mechanism, thereby realizing automatic cleaning effect on the filter screen part to a certain extent.
Description
Technical Field
The invention relates to the technical field of river monitoring, in particular to a river ecological monitoring device.
Background
The monitoring of river ecology is an important measure for guaranteeing the health of the river ecology environment. The river water quality monitoring can grasp the water quality condition in real time and discover and solve the problems in the river ecological environment in time, thereby guaranteeing the health and stability of the river ecological environment.
River ecology monitoring generally obtains real-time water quality data by on-site monitoring and analysis of on-site sampling. But to the river environment that needs to carry out many times continuity monitoring, on-the-spot sampling can increase work load, and adopt corresponding river ecological monitoring devices just can carry out water quality monitoring to the river of device mounted position in real time and handle, among the prior art, through fixing river ecological monitoring devices on the river course, the bottom reaches the monitoring effect through water quality detector or laser turbidimeter, but can lead to monitoring accuracy to descend on the monitoring module owing to impurity in the river covers, and only through the installation filter screen, still can lead to the filter screen to be stopped up, need frequent cleaning mediation, on the other hand, receive the impact of mobile water, easily lead to the device to appear the slope, and then often need reinstallation.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the river ecological monitoring device so as to solve the problems in the background art, the invention can provide shielding protection for the monitoring module part, realize a certain self-cleaning effect in a rotating mode, and save more labor and bring convenience to the position correction process of the whole device.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a river ecology monitoring devices, includes the monitoring devices body, the monitoring devices body includes first stock, second stock, floating mechanism, correction subassembly, switching module and monitoring module, the bottom of first stock and second stock is all inlayed the bottom of awaiting measuring river, the top of first stock is provided with the stand, floating mechanism cover is established on the surface of stand, connect through correction subassembly between first stock and the second stock, switching module is installed at floating mechanism's middle top, and floating mechanism's inside inlays and is equipped with a plurality of pressure-bearing components, the jib is installed to floating mechanism's bottom, monitoring module installs the bottom at the jib, and monitoring module includes laser turbidimeter, photosensitive element and electrode bar, correction subassembly's top and the top fixed connection of stand.
Further, the floating mechanism comprises a supporting plate and a floating plate, a plurality of slots are formed in the surface of the supporting plate, independent pressure-bearing assemblies are mounted in the slots, a switching module is mounted above the supporting plate, and the switching module comprises a fixed plate and a first magnet plate.
Further, the middle of the supporting plate is sleeved on the surface of the upright post through a bearing, a fixing hole is formed in one end of the fixing plate, the fixing hole is fixedly connected with the surface of the upright post, and the floating plate is attached to the bottom of the supporting plate.
Further, the first magnet plate is embedded at the bottom of the fixed plate, and balls are arranged at two ends of the first magnet plate, and the fixed plate is pressed on the surface of the supporting plate through the balls at the bottom.
Further, the pressure-bearing assembly comprises a lifting plate and a pressure-bearing plate, the pressure-bearing plate is arranged at the bottom of the lifting plate, the second magnet plates are embedded at the top of the lifting plate, outer convex plates are arranged at the bottom ends of two sides of the lifting plate, and springs are connected to the top of the outer convex plates.
Further, the lifting plate is integrally embedded into the slot, the top of the spring is fixedly connected with the inner wall of the slot, the first magnet plate and the second magnet plate are always in a repulsive state, and the bearing plate penetrates out of the bottom of the floating plate downwards through repulsive action of the first magnet plate and the second magnet plate.
Further, the side baffles are installed at the two ends of the monitoring module, the filter screen is installed between the side baffles, the top of the side baffles is connected with a suspender, and the top of the suspender is fixedly connected with the bottom of the floating plate.
Further, the laser turbidimeter and the photosensitive element are respectively and fixedly arranged on the inner sides of the two side baffles, the base is arranged at the bottom of the inner sides of the side baffles, and the electrode rod is arranged on one side of the base.
Further, the correction assembly comprises a pull rod and an abutting plate, an extension plate is arranged on one side of the top of the upright post, a rotating base is arranged at the tail end of the extension plate, the middle of the rotating base is connected with the pull rod, and the abutting plate is arranged at the top of the second anchor rod.
Further, the pull rod passes through the surface of the butt joint plate, the tail end of the pull rod is sleeved with a threaded collar, and the threaded collar is positioned below the butt joint plate.
The invention has the beneficial effects that:
1. the river ecology monitoring device monitors the soluble solid matters and turbidity of river water quality through the laser turbidity meter and the electrode rod, provides shielding protection effect for the monitoring module through the external filter screen, and prolongs the service life of the monitoring module.
2. This ecological monitoring devices of river installs the switching module in floating mechanism, cooperatees through a plurality of pressure-bearing components of switching module and bottom, can rotate the monitoring module that whole floating mechanism drove the bottom with the help of the water body of flowing to the realization reaches the automatically cleaning effect to filter screen portion to a certain extent, has further improved the accuracy to water quality monitoring.
3. This river ecology monitoring devices installs whole device through two stock, fixes the bottom in the river course, has consequently improved the stability after the installation, simultaneously with the help of the correction subassembly at top, can receive rivers impact to lead to taking place to incline to carry out quick correction processing to it when whole stand, need not to dismantle whole device again, has simplified the maintenance work in the long-time use.
Drawings
FIG. 1 is a schematic view of the configuration of a river ecology monitoring device according to the present invention;
FIG. 2 is a block diagram of a floating mechanism portion of a river ecology monitoring device of the present invention;
FIG. 3 is a schematic view of a monitoring module part of a river ecology monitoring device according to the present invention;
FIG. 4 is a schematic view of a correction component part of a river ecology monitoring device according to the present invention;
FIG. 5 is a schematic view of a pressure bearing assembly of a river ecology monitoring device of the present invention;
in the figure: 1. a first anchor rod; 2. a second anchor rod; 3. a column; 4. a corrective component; 5. a floating mechanism; 6. a switching module; 7. a monitoring module; 8. a supporting plate; 9. a floating plate; 10. a slot; 11. a fixing plate; 12. a fixing hole; 13. a first magnet plate; 14. a ball; 15. a pressure bearing assembly; 16. side baffles; 17. a boom; 18. a filter screen; 19. a laser turbidimeter; 20. a photosensitive element; 21. a base; 22. an electrode rod; 23. an extension plate; 24. rotating the base; 25. a pull rod; 26. an abutting plate; 27. a threaded collar; 28. a lifting plate; 29. a second magnet plate; 30. an outer convex plate; 31. a spring; 32. and a bearing plate.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 5, the present invention provides a technical solution: the river ecology monitoring device comprises a monitoring device body, wherein the monitoring device body comprises a first anchor rod 1, a second anchor rod 2, a floating mechanism 5, a correction component 4, a switching module 6 and a monitoring module 7, the bottoms of the first anchor rod 1 and the second anchor rod 2 are embedded into the bottom of a river to be monitored, the top of the first anchor rod 1 is provided with a stand column 3, the floating mechanism 5 is sleeved on the surface of the stand column 3, the first anchor rod 1 and the second anchor rod 2 are connected through the correction component 4, the switching module 6 is arranged at the middle top of the floating mechanism 5, a plurality of bearing components 15 are embedded in the floating mechanism 5, a hanging rod 17 is arranged at the bottom of the floating mechanism 5, the monitoring module 7 is arranged at the bottom of the hanging rod 17, the monitoring module 7 comprises a laser turbidimeter 19, a photosensitive element 20 and an electrode rod 22, the top of the correcting component 4 is fixedly connected with the top of the upright post 3, the river ecological monitoring device is mainly used for monitoring water quality of a flowing river area, a laser turbidimeter 19 and an electrode rod 22 structure are arranged in the device, the turbidity of a water body and the content of soluble solid impurities in the water body can be respectively monitored and used through the device, when the device is arranged, the upright post 3 is vertically fixed in a river through the first anchor rod 1, the second anchor rod 2 and the correcting component 4 at the top are matched with the first anchor rod 1 to assist in fixing the device, a bottom monitoring module 7 can be placed under water through a floating mechanism 5 at the moment, the monitoring element is directly contacted with the water body, the river ecological monitoring effect is achieved, the laser turbidimeter 19 and the electrode rod 22 are all existing mature technologies, the device is widely applied to the water quality monitoring field, the installation is laid according to the waters quality that specifically needs to be monitored to this embodiment can, and need install first stock 1 at the rear of second stock 2 along the water flow direction during the installation.
In this embodiment, the floating mechanism 5 includes a supporting plate 8 and a floating plate 9, a plurality of slots 10 are formed in the surface of the supporting plate 8, independent bearing components 15 are mounted in each of the slots 10, a switching module 6 is mounted above the supporting plate 8, the switching module 6 includes a fixing plate 11 and a first magnet plate 13, the middle of the supporting plate 8 is sleeved on the surface of the upright 3 through a bearing, a fixing hole 12 is formed in one end of the fixing plate 11, the fixing hole 12 is fixedly connected with the surface of the upright 3, the floating plate 9 is attached to the bottom of the supporting plate 8, the first magnet plate 13 is embedded in the bottom of the fixing plate 11, balls 14 are mounted at two ends of the first magnet plate 13, the fixing plate 11 is pressed on the surface of the supporting plate 8 through the balls 14 at the bottom, specifically, the supporting plate 8 floats on the water surface through the floating plate 9 at the bottom, and the floating plate 9 is connected with the upright 3 through a bearing, so that the whole floating mechanism 5 can rotate around the upright 3 by means of water flow under the cooperation of the subsequent switching module 6 and the bearing components 15.
In this embodiment, the bearing assembly 15 includes lifter plate 28 and bearing plate 32, the bottom at lifter plate 28 is installed to bearing plate 32, second magnet plate 29 is inlayed at the top of lifter plate 28, the both sides bottom of lifter plate 28 is provided with evagination board 30, the top of evagination board 30 is connected with spring 31, the inside of slot 10 is wholly inlayed to lifter plate 28, and the top and the inner wall fixed connection of slot 10 of spring 31, first magnet plate 13 and second magnet plate 29 are in the state of repulsion all the time, bearing plate 32 passes through the bottom of first magnet plate 13 and second magnet plate 29 downwards from the bottom of floating plate 9, installs switch module 6 in floating mechanism 5, cooperates through a plurality of bearing assembly 15 of switch module 6 and bottom, can drive the monitoring module 7 of bottom with the help of mobile water body 5 to rotate, thereby realize reaching the automatically cleaning effect to filter screen 18 portion to a certain extent, further improved the precision of monitoring, and specific because first magnet plate 13 and fixed plate 3 are in the opposite direction of the bearing plate, and the opposite direction of the effect of the opposite direction of the bearing plate that the opposite direction of the bearing plate 13 can not receive the impact force of the bearing plate 9, and the other water flow down force of bearing plate 9 can directly appear in the opposite direction to the bearing plate 9, and the bearing plate 32 is moved down, therefore the bearing plate is moved to the opposite side of the bearing plate 9, and the bearing plate is directly under the bearing plate is moved to the bearing plate 9, the impact force is moved down by the bearing plate 9, and the bearing plate is moved down and the bearing plate is directly down the bearing plate is moved down and the bearing plate is moved down.
In this embodiment, the side baffles 16 are installed at the two ends of the monitoring module 7, the filter screen 18 is installed between the side baffles 16, the top of the side baffles 16 is connected with the hanging rod 17, the top of the hanging rod 17 is fixedly connected with the bottom of the floating plate 9, the laser turbidimeter 19 and the photosensitive element 20 are respectively and fixedly installed at the inner sides of the two side baffles 16, the base 21 is installed at the bottom of the inner side of the side baffles 16, the electrode rod 22 is installed at one side of the base 21, the monitoring of the soluble solid matters and turbidity of the river water quality is realized through the laser turbidimeter 19 and the electrode rod 22, the shielding protection effect is provided for the monitoring module 7 through the external filter screen 18, the service life of the monitoring module 7 is prolonged, the laser beam is generated through the laser turbidimeter 19 and irradiated onto the photosensitive element 20, the turbidity of the water body in the range can be perceived through the current change on the photosensitive element 20, the electrode rod 22 can directly monitor the conductivity in the middle water body, the measuring effect of the soluble solid content is further realized, the external filter screen 18 shields the internal measuring element, and the garbage can be adhered to the other side of the filter screen 18 in a certain way after the self-cleaning mechanism rotates, and the garbage can be adhered to the external filter screen 18 by means of the rotation, and the garbage can be adhered to the external garbage can be contacted with the filter screen 18 in a certain real-time form, and the garbage can be cleaned.
In this embodiment, the correction assembly 4 includes pull rod 25 and butt plate 26, extension board 23 is installed to one side at stand 3 top, rotation base 24 is installed to the end of extension board 23, rotation base 24's intermediate junction has pull rod 25, butt plate 26 is installed at the top of second stock 2, pull rod 25 passes from the surface of butt plate 26, and the end cover of pull rod 25 is equipped with threaded collar 27, and threaded collar 27 is in the below of butt plate 26, install the whole device through two stock, fix the bottom in the river course, therefore stability after the installation has been improved, simultaneously with the aid of correction assembly 4 at top, can carry out quick correction processing to it when whole stand 3 receives the rivers impact and lead to taking place the slope, need not to dismouting the whole device again, simplified the maintenance work in the long-time use, after whole stand 3 appears the slope, upwards remove butt plate 26 along pull rod 25, can pull whole stand 3 top towards the position of second stock 2, the slope problem that the water current impact led to the stand 3 appears is corrected.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. River ecology monitoring devices, including monitoring devices body, its characterized in that: the monitoring device body comprises a first anchor rod (1), a second anchor rod (2), a floating mechanism (5), a correction component (4), a switching module (6) and a monitoring module (7), wherein the bottoms of the first anchor rod (1) and the second anchor rod (2) are embedded into the bottom of a river to be monitored, the top of the first anchor rod (1) is provided with a stand column (3), the floating mechanism (5) is sleeved on the surface of the stand column (3), the first anchor rod (1) and the second anchor rod (2) are connected through the correction component (4), the switching module (6) is installed at the middle top of the floating mechanism (5), a plurality of bearing components (15) are embedded in the floating mechanism (5), a hanging rod (17) is installed at the bottom of the floating mechanism (5), the monitoring module (7) is installed at the bottom of the hanging rod (17), the monitoring module (7) comprises a laser turbidimeter (19), a photosensitive element (20) and an electrode rod (22), the top of the correction component (4) is fixedly connected with the top of the stand column (3), the floating mechanism (5) comprises a plurality of bearing plates (8) and a plurality of bearing plates (8) are arranged on the surfaces (8), each slot (10) is internally provided with an independent pressure-bearing component (15), a switching module (6) is arranged above the supporting plate (8), the switching module (6) comprises a fixed plate (11) and a first magnet plate (13), the middle of the supporting plate (8) is sleeved on the surface of the upright post (3) through a bearing, one end of the fixed plate (11) is provided with a fixed hole (12), the fixed hole (12) is fixedly connected with the surface of the upright post (3), the floating plate (9) is attached to the bottom of the supporting plate (8), the first magnet plate (13) is embedded at the bottom of the fixed plate (11), balls (14) are arranged at two ends of the first magnet plate (13), the fixed plate (11) is pressed on the surface of the supporting plate (8) through the balls (14) at the bottom, the bearing component (15) comprises a lifting plate (28) and a pressing plate (32), the bottom of the lifting plate (28) is arranged at one end of the lifting plate (32), the top of the lifting plate (28) is embedded with the second magnet plate (29), the lifting plate (30) is embedded at the two sides of the top of the lifting plate (28), the lifting plate (30) is embedded with springs (30), and the top of spring (31) and the inner wall fixed connection of slot (10), first magnet board (13) and second magnet board (29) are in the state of repulsion all the time, bearing plate (32) are worn out downwards from the bottom of kickboard (9) through the repulsive interaction of first magnet board (13) and second magnet board (29), side shield (16) are installed at the both ends of monitoring module (7), install filter screen (18) between side shield (16), the top of side shield (16) is connected with jib (17), the top of jib (17) and the bottom fixed connection of kickboard (9).
2. The river ecology monitoring device of claim 1 wherein: the laser turbidimeter (19) and the photosensitive element (20) are respectively and fixedly arranged on the inner sides of the two side baffles (16), a base (21) is arranged at the bottom of the inner side of the side baffles (16), and the electrode rod (22) is arranged on one side of the base (21).
3. The river ecology monitoring device of claim 1 wherein: the correcting assembly (4) comprises a pull rod (25) and an abutting plate (26), an extending plate (23) is arranged on one side of the top of the upright post (3), a rotating base (24) is arranged at the tail end of the extending plate (23), the pull rod (25) is connected in the middle of the rotating base (24), and the abutting plate (26) is arranged at the top of the second anchor rod (2).
4. A river ecology monitoring device according to claim 3 wherein: the pull rod (25) passes through the surface of the butt plate (26), the tail end of the pull rod (25) is sleeved with a threaded collar (27), and the threaded collar (27) is positioned below the butt plate (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311240710.7A CN116973312B (en) | 2023-09-25 | 2023-09-25 | River ecology monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311240710.7A CN116973312B (en) | 2023-09-25 | 2023-09-25 | River ecology monitoring device |
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| CN116973312A CN116973312A (en) | 2023-10-31 |
| CN116973312B true CN116973312B (en) | 2023-12-12 |
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| CN202311240710.7A Active CN116973312B (en) | 2023-09-25 | 2023-09-25 | River ecology monitoring device |
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| CN116973312A (en) | 2023-10-31 |
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