CN115930917A - Ecological hydrology remote sensing monitoring devices - Google Patents
Ecological hydrology remote sensing monitoring devices Download PDFInfo
- Publication number
- CN115930917A CN115930917A CN202310030554.5A CN202310030554A CN115930917A CN 115930917 A CN115930917 A CN 115930917A CN 202310030554 A CN202310030554 A CN 202310030554A CN 115930917 A CN115930917 A CN 115930917A
- Authority
- CN
- China
- Prior art keywords
- sensor
- fixed
- buoy
- water
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses an ecological hydrological remote sensing monitoring device which comprises a buoy, a water storage bin, a drainage mechanism, an integrated hydrological monitoring mechanism and a sensor, wherein the water storage bin is internally provided with the drainage mechanism; the anchoring mechanism is connected to the lower end of the buoy; the buoy body is fixed at the upper end of the buoy, and the outer side wall of the buoy body is provided with an anti-collision mechanism; the upright post is vertically fixed at the upper end of the buoy body, and a camera shooting assembly, an alarm assembly and an integrated environment monitoring mechanism are also fixed on the upright post; the control module is fixed in the buoy body and is electrically connected with the integrated hydrological monitoring mechanism, the camera assembly, the alarm assembly and the integrated environment monitoring mechanism; the communication module is fixed in the upright rod and used for realizing communication between the control module and the service background; the power supply module is fixed in the buoy body and is electrically connected with the control module; the advantage can replace the collection personnel automatic acquisition hydrology data, and the security is higher with collection efficiency.
Description
Technical Field
The invention relates to the technical field of hydrological monitoring, in particular to an ecological hydrological remote sensing monitoring device.
Background
The ecological monitoring means that each element in the ecological environment, the interrelation between organisms and the environment, the structure and the function of an ecological system are monitored and tested by using technical means such as physics, chemistry, biochemistry and ecology, and the hydrologic monitoring is a complex and comprehensive system for monitoring, measuring, analyzing and early warning the time-space distribution and the change rule of natural water by a scientific method, the ecological hydrologic monitoring is suitable for the hydrologic department to monitor hydrologic parameters such as rivers, lakes, reservoirs, channels and underground water in real time, and the detection content comprises: water level, flow rate, rainfall, evaporation, silt, slush, soil moisture, water quality, and the like.
The current monitoring process is as follows: the collection personnel pass through the boat and arrive a certain monitoring area, gather the water sample, and then through the analysis of on-board or on-shore instrument equipment, obtain the monitoring data at last, this kind of monitoring mode has following weak point: 1. personnel are required to manually collect water samples in a water area, only a ship riding mode is available, the safety factor is high, and the system is extremely dangerous when encountering a water body with a severe environment and a remote position; 2. because a plurality of groups of data need to be collected at different point positions, the finished workload is large, the monitoring data of the hydrological condition cannot be effectively and quickly obtained, and the monitoring efficiency needs to be improved.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the ecological hydrological remote sensing monitoring device which can replace acquisition personnel to automatically acquire hydrological data and is high in safety and acquisition efficiency.
The technical scheme adopted by the invention for solving the technical problems is that the ecological hydrological remote sensing monitoring device comprises
The device comprises a buoy, a water storage bin and a water outlet device, wherein a drainage mechanism is installed in the water storage bin, and an integrated hydrological monitoring mechanism is arranged at the bottom of the buoy;
the anchoring mechanism is connected to the lower end of the buoy;
the buoy body is fixed at the upper end of the buoy, and an anti-collision mechanism is arranged on the outer side wall of the buoy body;
the vertical rod is vertically fixed at the upper end of the buoy main body, and a camera shooting assembly, an alarm assembly and an integrated environment monitoring mechanism are further fixed on the vertical rod;
the control module is fixed in the buoy body and is electrically connected with the integrated hydrological monitoring mechanism, the camera shooting assembly, the alarm assembly and the integrated environment monitoring mechanism;
the communication module is fixed in the upright rod and used for realizing communication between the control module and the service background;
and the power supply module is fixed in the buoy body and is electrically connected with the control module.
Drainage mechanism includes the water pump, the bottom of flotation pontoon is provided with the water inlet, water inlet department installs the water intaking valve, it is provided with the delivery port to set up on the lateral wall of flotation pontoon, water outlet department installs the drain valve, the water pump is fixed in the retaining storehouse, and through the drain pipe with the drain valve is linked together.
The anchoring mechanism comprises a reinforcing base, a locking ring, an anchoring rope and an anchor rod for fixing the anchoring rope with the water bottom, the reinforcing base is fixed to the bottom of the buoy, the locking ring is connected to the reinforcing base, one end of the anchoring rope is connected to the locking ring, and the other end of the anchoring rope is connected to the anchor rod.
The locking ring is further connected with a reinforcing rope, and the reinforcing rope is connected with a balancing weight.
Integrated form hydrology monitoring mechanism is including installation piece, level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor, the installation piece is fixed the bottom of flotation pontoon, level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor are fixed respectively on the installation piece, just level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor respectively with the control module electricity is connected.
Anticollision institution includes a plurality of anticollision pieces of making by the foam, and a plurality of anticollision pieces are evenly fixed through corresponding bracing piece circumference on the lateral wall of buoy body, and every the coating has warning mark on the anticollision piece.
The integrated environment monitoring mechanism comprises a case, a temperature and humidity sensor, a light intensity sensor, an air pressure sensor, a rainfall sensor and an air quality sensor, wherein the case is fixed to the vertical rod, the temperature and humidity sensor, the light intensity sensor, the air pressure sensor, the rainfall sensor and the air quality sensor are fixed to the case respectively, and the temperature and humidity sensor, the light intensity sensor, the air pressure sensor, the rainfall sensor and the air quality sensor are electrically connected with the control module respectively.
The power supply module comprises a solar cell panel and a storage battery, the solar cell panel is fixed at the upper end of the buoy body and electrically connected with the storage battery through a charge-discharge controller, the storage battery is fixed in the buoy body, and a power supply reset module used for controlling the on-off of a power supply is arranged between the storage battery and the control module.
The upper end of the buoy body is sunken downwards to form a plurality of storage cavities with upward openings, and a cover plate is movably covered on each storage cavity.
Compared with the prior art, the invention has the advantages that: the buoy is matched with the buoy body for use, so that the buoyancy is increased, the load capacity is improved, the water storage bin is arranged in the buoy, when the water storage bin is filled with water, the whole buoy can descend, and when the drainage mechanism works, the water is drained outwards, and the whole buoy floats, so that the integrated hydrological monitoring mechanism can monitor the hydrological conditions of different water depths within a certain range, and the accuracy of monitoring data is improved; the anchoring mechanism is arranged to solve the problem that the device is not firmly fixed in water, and the whole device cannot generate large position deviation through the anchoring mechanism; the anti-collision mechanism is arranged to play a certain role in buffering and protecting the whole body; the camera shooting assembly fixed on the upright rod is used for shooting real-time images around the device in real time and sending the images to the control module, the control module is sent to the service background through the communication module so as to be convenient for the service background to carry out remote monitoring, and once an accident occurs, for example, a person illegally approaches the device, the control module controls the alarm assembly to alarm, so that the data cheating phenomenon is prevented; the integrated environment monitoring mechanism is used for monitoring the environment near the device in real time and sending monitoring data to the service background through the control module so as to facilitate the service background to carry out real-time remote monitoring; the power supply module provides power support for each component, so that the device can operate stably for a long time; the invention can replace acquisition personnel to automatically acquire hydrological data, and has higher safety and acquisition efficiency.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic perspective view of the float according to the present invention;
FIG. 4 is a cross-sectional view of the spar of the present invention;
FIG. 5 is a functional block diagram of the present invention;
fig. 6 is a schematic block diagram of a power supply module according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples, but the present invention is not limited thereto.
The first embodiment is as follows: as shown in the figure, an ecological hydrology remote sensing monitoring device comprises
The device comprises a buoy 1, a water storage bin 11, a drainage mechanism, an integrated hydrological monitoring mechanism 3 and a water level monitoring system, wherein the drainage mechanism is installed in the water storage bin 11;
the anchoring mechanism 4 is connected to the lower end of the buoy 1;
the buoy body 5 is fixed at the upper end of the buoy 1, and the outer side wall of the buoy body 5 is provided with an anti-collision mechanism;
the upright rod 60 is vertically fixed at the upper end of the buoy body 5, and a camera component 61, an alarm component 62 and an integrated environment monitoring mechanism 7 are further fixed on the upright rod 60;
the control module 81 is fixed in the buoy body 5 and is electrically connected with the integrated hydrological monitoring mechanism 3, the camera assembly 61, the alarm assembly 62 and the integrated environmental monitoring mechanism 7;
the communication module 82 is fixed in the vertical rod and used for realizing communication between the control module 81 and the service background 83;
and the power supply module 9 is fixed in the buoy body 5 and is electrically connected with the control module 81.
In the structure, the buoy 1 is matched with the buoy body 5 for use, so that the buoyancy is increased, the load capacity is improved, the water storage bin 11 is arranged in the buoy 1, when the water storage bin 11 is filled with water, the whole body can descend, and when the drainage mechanism works, the water is drained outwards, and the whole body floats upwards, so that the integrated hydrological monitoring mechanism 3 can monitor the hydrological conditions of different water depths within a certain range, and the accuracy of monitoring data is improved;
the anchoring mechanism 4 is arranged to solve the problem that the device is not firmly fixed in water, and the anchoring mechanism 4 does not generate large position deviation on the whole;
the arrangement of the anti-collision mechanism plays a certain role in buffering and protecting the whole body;
the camera component 61 fixed on the upright rod is used for shooting real-time images around the device in real time and sending the images to the control module 81, the control module 81 sends the images to the service background through the communication module 82 so as to be convenient for the service background to carry out remote monitoring, and once an accident occurs, for example, a person illegally approaches the device, the control module 81 controls the alarm component 62 to alarm, so that data cheating is prevented;
the integrated environment monitoring mechanism 7 is used for monitoring the environment near the device in real time and sending the monitoring data to the service background through the control module 81, so as to facilitate the service background to carry out real-time remote monitoring;
the power supply module 9 provides power support for each component, and therefore the device can run stably and durably.
The drainage mechanism comprises a water pump 2, a water inlet 12 is arranged at the bottom of the buoy 1, a water inlet valve 14 is arranged at the water inlet 12, a water outlet 13 is arranged on the side wall of the buoy 1, a drainage valve 15 is arranged at the water outlet 13, and the water pump 2 is fixed in the water storage bin 11 and communicated with the drainage valve 15 through a drainage pipe.
In the structure, the water inlet valve 14 is arranged for controlling the on-off of the water inlet 12, the water discharge valve 15 is arranged for controlling the on-off of the water outlet, when water needs to be injected into the water storage bin 11, the water inlet valve 14 is opened, after the water storage bin 11 is filled with the needed water amount, the water discharge valve 15 is closed, when water needs to be discharged outwards, the water discharge valve 15 is opened, and the water pump 2 works, so that the water in the water storage bin 11 can be discharged to the outside.
Example two: as shown, unlike the first embodiment, the anchoring mechanism 4 includes a reinforcing base 41, a locking ring 42, an anchoring line 43, and an anchor rod 44 for fixing to the water bottom, the reinforcing base 41 is fixed to the bottom of the buoy 1, the locking ring 42 is connected to the reinforcing base 41, one end of the anchoring line 43 is connected to the locking ring 42, and the other end of the anchoring line 43 is connected to the anchor rod 44.
In the above structure, the anchor rod 44 is inserted into the water bottom in advance, and then the connection between the reinforcing base 41 and the anchor rod 44 is realized through the connection of the anchor rope 43, and the anchor rope 43 is not directly connected with the reinforcing base 41, but is connected with the reinforcing base 41 through the locking ring 42, so that the anchor rope 43 has better flexibility.
The locking ring 42 is also connected with a reinforcing rope 45, and the reinforcing rope 45 is connected with a balancing weight 46. Thereby achieving overall more reliable confinement in a certain water area.
The integrated hydrological monitoring mechanism 3 comprises a mounting block 31, a water level sensor 32, a flow rate sensor 33, a water temperature sensor 34, a dissolved oxygen sensor 35 and a pH sensor 36, wherein the mounting block 31 is fixed at the bottom of the buoy 1, the water level sensor 32, the flow rate sensor 33, the water temperature sensor 34, the dissolved oxygen sensor 35 and the pH sensor 36 are respectively fixed on the mounting block 31, and the water level sensor 32, the flow rate sensor 33, the water temperature sensor 34, the dissolved oxygen sensor 35 and the pH sensor 36 are respectively and electrically connected with the control module 81.
In the structure, the control module 81 adopts a 51 series or MSP or AVR series single chip microcomputer which is electrically connected with the water level sensor 32, the flow rate sensor 33, the water temperature sensor 34, the dissolved oxygen sensor 35 and the pH sensor 36, wherein the water level sensor 32 is used for monitoring the water level, the flow rate sensor 33 is used for monitoring the flow rate of the water, the water temperature sensor 34 is used for monitoring the temperature of the water, the dissolved oxygen sensor 35 is used for monitoring the dissolved oxygen content in the water, the pH sensor 36 is used for monitoring the pH value of the water, the sensors send the monitored data to the control module 81, and the data is sent to the service background by the control module 81, so that the service background can perform real-time remote monitoring.
Example three: as shown in the drawing, unlike the second embodiment, the anti-collision mechanism includes a plurality of anti-collision blocks 51 made of foam, the plurality of anti-collision blocks 51 are uniformly fixed on the outer side wall of the buoy body 5 in the circumferential direction by corresponding support rods, and warning marks are coated on each anti-collision block 51.
In the structure, the anti-collision blocks 51 are made of foam, so that the overall buoyancy can be increased, and the anti-collision buffer device has a good buffer anti-collision effect, and warning marks are coated on each anti-collision block 51 and can be warning characters or striking colors so as to play a role in reminding.
The integrated environment monitoring mechanism 7 comprises a case 71, a temperature and humidity sensor 72, a light intensity sensor 73, an air pressure sensor 74, a rainfall sensor 75 and an air quality sensor 76, wherein the case 71 is fixed on the vertical rod, the temperature and humidity sensor 72, the light intensity sensor 73, the air pressure sensor 74, the rainfall sensor 75 and the air quality sensor 76 are respectively fixed on the case 71, and the temperature and humidity sensor 72, the light intensity sensor 73, the air pressure sensor 74, the rainfall sensor 75 and the air quality sensor 76 are respectively electrically connected with the control module 81.
In the above structure, the temperature and humidity sensor 72, the illuminance sensor 73, the air pressure sensor 74, the rainfall sensor 75 and the air quality sensor 76 are respectively electrically connected to the control module 81, wherein the humidity sensor is used for monitoring temperature and humidity information of the current environment, the illuminance sensor 73 is used for monitoring illumination intensity of the current environment, the air pressure sensor 74 is used for monitoring air pressure information of the current environment, the rainfall sensor 75 is used for monitoring rainfall information of the current environment, the air quality sensor 76 is used for monitoring air quality information of the current environment, the above sensors send monitored data to the control module 81, and then the monitored data is sent to the service background by the control module 81, so as to facilitate the service background to perform real-time remote monitoring.
The power supply module 9 comprises a solar cell panel 91 and a storage battery 92, the solar cell panel 91 is fixed at the upper end of the buoy body 5, the solar cell panel 91 is electrically connected with the storage battery 92 through a charge-discharge controller 93, the storage battery 92 is fixed in the buoy body 5, and a power supply reset module 94 for controlling the on-off of a power supply is arranged between the storage battery 92 and the control module 81.
In the structure, the solar power supply mode is energy-saving and environment-friendly, the power supply reset module 94 plays a role in quick restart, when the service background monitors that the device fails, the communication module 82 sends a restart instruction to the control module 81, the control module 81 performs power failure restart through the power supply reset module 94, once the device is recovered to be normal, manual further investigation is not needed, and the overhaul efficiency is greatly improved.
The upper end of the buoy body 5 is downwards sunken to form a plurality of storage cavities 52 with upward openings, and cover plates 53 are movably covered on the storage cavities 52. In practical use, life saving equipment or maintenance tools and the like are placed in the storage cavity 52, thereby increasing the practicability of the device.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, and the present invention may be modified in materials and structures, or replaced with technical equivalents. Therefore, structural equivalents made by using the description and drawings of the present invention or by directly or indirectly applying to other related arts are also encompassed within the scope of the present invention.
Claims (9)
1. The utility model provides an ecological hydrology remote sensing monitoring devices which characterized in that: comprises that
The device comprises a buoy, a water storage bin and a water outlet device, wherein a drainage mechanism is installed in the water storage bin, and an integrated hydrological monitoring mechanism is arranged at the bottom of the buoy;
the anchoring mechanism is connected to the lower end of the buoy;
the buoy body is fixed at the upper end of the buoy, and an anti-collision mechanism is arranged on the outer side wall of the buoy body;
the vertical rod is vertically fixed at the upper end of the buoy body, and a camera shooting assembly, an alarm assembly and an integrated environment monitoring mechanism are further fixed on the vertical rod;
the control module is fixed in the buoy body and is electrically connected with the integrated hydrological monitoring mechanism, the camera assembly, the alarm assembly and the integrated environment monitoring mechanism;
the communication module is fixed in the upright rod and used for realizing communication between the control module and the service background;
and the power supply module is fixed in the buoy body and is electrically connected with the control module.
2. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: the drainage mechanism comprises a water pump, the bottom of the float bowl is provided with a water inlet, a water inlet valve is installed at the water inlet, a water outlet is arranged on the side wall of the float bowl, a drain valve is installed at the water outlet, and the water pump is fixed in the water storage bin and communicated with the drain valve through a drain pipe.
3. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: the anchoring mechanism comprises a reinforcing seat, a locking ring, an anchoring rope and an anchor rod for being fixed to the water bottom, the reinforcing seat is fixed to the bottom of the buoy, the locking ring is connected to the reinforcing seat, one end of the anchoring rope is connected to the locking ring, and the other end of the anchoring rope is connected to the anchor rod.
4. The ecological hydrology remote sensing monitoring devices of claim 3, characterized in that: the locking ring is further connected with a reinforcing rope, and the reinforcing rope is connected with a balancing weight.
5. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: integrated form hydrology monitoring mechanism is including installation piece, level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor, the installation piece is fixed the bottom of flotation pontoon, level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor are fixed respectively on the installation piece, just level sensor, flow sensor, temperature sensor, dissolved oxygen sensor and pH sensor respectively with the control module electricity is connected.
6. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: anticollision institution includes a plurality of anticollision pieces of making by the foam, and a plurality of anticollision pieces are evenly fixed through corresponding bracing piece circumference on the lateral wall of buoy body, and every the coating has warning mark on the anticollision piece.
7. The ecological hydrological remote sensing monitoring device of claim 1, characterized in that: the integrated environment monitoring mechanism comprises a case, a temperature and humidity sensor, a light intensity sensor, an air pressure sensor, a rainfall sensor and an air quality sensor, wherein the case is fixed to the vertical rod, the temperature and humidity sensor, the light intensity sensor, the air pressure sensor, the rainfall sensor and the air quality sensor are fixed to the case respectively, and the temperature and humidity sensor, the light intensity sensor, the air pressure sensor, the rainfall sensor and the air quality sensor are electrically connected with the control module respectively.
8. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: the power supply module comprises a solar cell panel and a storage battery, the solar cell panel is fixed at the upper end of the buoy body and electrically connected with the storage battery through a charge-discharge controller, the storage battery is fixed in the buoy body, and a power supply reset module used for controlling the on-off of a power supply is arranged between the storage battery and the control module.
9. The ecological hydrology remote sensing monitoring devices of claim 1, characterized in that: the upper end of the buoy body is downwards sunken to form a plurality of storage cavities with upward openings, and cover plates are movably covered on the storage cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030554.5A CN115930917A (en) | 2023-01-10 | 2023-01-10 | Ecological hydrology remote sensing monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030554.5A CN115930917A (en) | 2023-01-10 | 2023-01-10 | Ecological hydrology remote sensing monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115930917A true CN115930917A (en) | 2023-04-07 |
Family
ID=86649342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310030554.5A Pending CN115930917A (en) | 2023-01-10 | 2023-01-10 | Ecological hydrology remote sensing monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115930917A (en) |
-
2023
- 2023-01-10 CN CN202310030554.5A patent/CN115930917A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210190672A1 (en) | Device and method for dry-wet cycle simulation test of concrete in tidal zone and splash zone | |
| KR101011887B1 (en) | Buoy for oceanographic observation | |
| CN102749429A (en) | Floating mobile base station for environmental monitoring | |
| CN109991092B (en) | Natural exposure experimental device, system and method for component under variable amplitude load | |
| CN202703865U (en) | Environmental monitoring maritime mobile base station | |
| CN217931632U (en) | Water resource monitoring device | |
| CN106985974A (en) | A kind of small modular solar energy water quality buoy for cultivating pool | |
| CN211167300U (en) | Intelligent water surface comprehensive monitoring buoy device | |
| CN109297763A (en) | Water pollutant sampling monitoring system and control method | |
| CN115930917A (en) | Ecological hydrology remote sensing monitoring devices | |
| CN210953799U (en) | Water body layered vertical section water quality monitoring system based on spectrometry | |
| CN205982251U (en) | A water quality monitoring device for environmental protection | |
| CN208588577U (en) | A kind of automatic water station of floating platform formula adopts water-sampling device | |
| CN218121043U (en) | Float bowl trigger siphon type automatic water quantity measuring device | |
| CN212988918U (en) | Sand content vertical layering real-time remote measurement remote reporting device | |
| CN114062633A (en) | Novel fixed point environment monitoring device | |
| CN106770976B (en) | Automatic detection device for remotely unattended liquid level volatile gas and use method thereof | |
| CN216304605U (en) | Automatic water surface garbage collecting device | |
| CN115060240A (en) | Multi-functional integrated wisdom hydrology pole | |
| CN207550115U (en) | The vehicle mounted square cabin water drainage-supply system that extremely frigid zones use | |
| CN107585113A (en) | The vehicle mounted square cabin water drainage-supply system and method that extremely frigid zones use | |
| CN206670743U (en) | A kind of secondary booster pump station ponding warning device | |
| CN209182098U (en) | A kind of Quan Haishen intelligence water sampling device, scientific investigation ship for independently adopting water operation | |
| CN113030411A (en) | River growth hydrology and water quality monitoring device based on Internet of things | |
| CN209673772U (en) | A kind of buoy water monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |