CN216387006U - Miniature water quality automatic monitoring station - Google Patents
Miniature water quality automatic monitoring station Download PDFInfo
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- CN216387006U CN216387006U CN202121720595.XU CN202121720595U CN216387006U CN 216387006 U CN216387006 U CN 216387006U CN 202121720595 U CN202121720595 U CN 202121720595U CN 216387006 U CN216387006 U CN 216387006U
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Abstract
The utility model provides a miniature automatic water quality monitoring station, which is characterized in that: the monitoring station comprises a cabinet body, a control unit, an auxiliary unit, an analysis unit and a water distribution pretreatment unit capable of pretreating a monitored water sample; the analysis unit comprises a multi-parameter controller, a raw water sample sensor assembly and a water quality on-line analyzer assembly; the water distribution pretreatment unit is connected with the raw water sample sensor assembly and the water quality on-line analyzer assembly, and is used for outputting an untreated monitoring water sample to the raw water sample sensor assembly for measurement and outputting a pretreated monitoring water sample to the water quality on-line analyzer assembly for measurement; the utility model adopts the highly integrated cabinet body design, has small floor area, no land acquisition, simple and convenient installation, less limitation by the terrain, suitability for wide distribution and greatly reduced construction difficulty and cost of the water station.
Description
Technical Field
The utility model relates to the technical field of surface water quality on-line monitoring equipment, in particular to a miniature automatic water quality monitoring station.
Background
The existing automatic monitoring station for surface water quality is a comprehensive automatic on-line monitoring system which takes a water quality on-line analyzer as a core and utilizes modern sensor technology, automatic control technology, computer application technology and network communication technology. Generally, the system consists of a station house, units for water collection and distribution, control, detection, data collection and transmission, assistance and the like, and is called a water station for short. Site selection of a station house of a water station is particularly easily limited by terrain, the terrain near lakes and rivers generally has slopes and unevenness, and a flat area with a large area is difficult to find for building the station house; if the station house is built at a place far away from the lake and the river, the problems of insufficient lift of a water taking pump, difficulty in laying a water taking pipeline, increase of cost and the like caused by the fact that a water taking point is too far away from the station house can be solved.
Firstly, the surface water quality automatic monitoring station at the present stage is generally a fixed or simple surface water automatic monitoring station, a fixed or simple station house needs to be built, the area is generally not less than 12m, the problems of land acquisition, earthwork infrastructure construction and the like are involved, the construction difficulty is high, the cost is high, the construction period is long, the construction is easily limited by terrains, and the wide distribution of points is not facilitated; secondly, the water collecting and distributing unit of the surface water quality automatic monitoring station at the present stage generally has no multi-stage pretreatment, and can not carry out reasonable pretreatment on water samples according to different monitoring parameters, thereby influencing the measurement accuracy of the water quality on-line analyzer.
Disclosure of Invention
The utility model provides a miniature automatic water quality monitoring station, which adopts a highly integrated cabinet body design, has small floor area, no need of land acquisition, simple and convenient installation, less limitation by terrain, suitability for wide distribution and greatly reduced construction difficulty and cost of a water station.
The utility model adopts the following technical scheme.
A miniature automatic water quality monitoring station comprises a cabinet body, a control unit, an auxiliary unit, an analysis unit and a water distribution pretreatment unit capable of pretreating a monitored water sample; the analysis unit comprises a multi-parameter controller (2), a raw water sample sensor assembly (5) and a water quality on-line analyzer assembly (8); the water distribution pretreatment unit is connected with the raw water sample sensor assembly and the water quality on-line analyzer assembly, and is used for outputting an untreated monitoring water sample to the raw water sample sensor assembly for measurement and outputting a pretreated monitoring water sample to the water quality on-line analyzer assembly for measurement.
The water distribution pretreatment unit can carry out three-stage pretreatment on a monitored water sample; the water distribution pretreatment unit supplies the monitoring water sample after precipitation and filtration to the water quality on-line analyzer assembly for measurement.
The water distribution pretreatment unit comprises a flow cell (6), a sedimentation tank (17), a sampling cup (15), a valve and a pipeline (7); the sampling cup is communicated with the sedimentation tank and the flow cell.
The analysis unit and the water distribution pretreatment unit of the miniature automatic water quality monitoring station are arranged in the cabinet body;
the raw water sample sensor assembly is hung above the tank cover of the flow tank through a structural member, so that the measuring end of each sensor in the raw water sample sensor assembly is immersed in a water sample of the flow tank.
The flow cell is arranged on the front surface of the cabinet body through a fastener, and the installation position of the flow cell is adjustable; the sedimentation tank is arranged on the back of the cabinet body through a fastener, and the installation position of the sedimentation tank is adjustable; the sampling cup is fixed on a mounting plate (J9) of the hinge structure by a hoop structure;
the water quality on-line analyzer assembly is supported by a bearing plate in the cabinet body, and the back of the water quality on-line analyzer assembly is fixed at the cabinet body by a fastener; the raw water sample sensor component comprises a turbidity sensor, a dissolved oxygen sensor, a conductivity sensor and a PH water temperature sensor, and can be replaced or expanded; the water quality online analyzer component comprises a total phosphorus water quality online analyzer, a total nitrogen water quality online analyzer, a CODmn water quality online analyzer and an ammonia nitrogen water quality online analyzer, and can be replaced or expanded.
The control unit comprises a data acquisition and transmission unit and an electric cabinet; a circuit breaker, a PLC, a switching power supply, a contactor, an intermediate relay and a terminal strip are arranged in the electric cabinet;
the data acquisition and transmission unit comprises an integrated industrial personal computer (1) and a router (18); and the integrated industrial personal computer sends a task command to the PLC and the water quality on-line analyzer component according to the set execution period.
The integrated industrial personal computer is connected with the raw water sample sensor assembly (5) and the water quality on-line analyzer assembly (8) through RS485 communication cables;
the router is a single-port router capable of being inserted into an SIM card, and is connected with a superior management platform in a wireless mode by using data flow to acquire and transmit data;
the integrated industrial personal computer is fixedly arranged on a panel of the cabinet body in an embedded mounting mode; a drawer type keyboard and mouse tray (J5) is arranged below the integrated industrial personal computer; and a diversion trench structure capable of blocking water from flowing in is arranged at the door frame of the door of the electric cabinet.
The cabinet body comprises an entrance guard unit, and the entrance guard unit comprises an electronic lock (4) and a code scanner (3) which is connected with the electronic lock and can scan a two-dimensional code; the code scanner is installed at an opening of a right left door (J1) of the cabinet in an embedded mode; the electronic lock is embedded in the opening of the front left door (J1) and the back right door (J8) of the cabinet body;
when the effective two-dimensional code that the two-dimensional code that judges its scanning by bar code scanner is for being generated by higher level's management platform, the electron lock sends the suggestion through the pilot lamp to make the electron lock handle be in the state that can press, when the electron lock handle was pressed, the lock handle of cabinet body cabinet door popped out and makes the cabinet door be in the state that can open.
The auxiliary unit comprises a cabinet air conditioner (9), an ozone generator (10), a storage battery (11), an air compressor (12), a UPS (13), a liquid storage barrel (14) and a reagent refrigerator;
the liquid storage barrel is connected with the water quality on-line analyzer assembly and comprises a plurality of containers for respectively storing pure water, cleaning wastewater and reaction waste liquid; the ozone generator is connected with an air compressor to produce an ozone-containing pressurized water-gas mixture, and the pressurized water-gas mixture can be used for washing the flow-through tank, the sedimentation tank, the sampling cup, the filter screen and the pipeline.
The cabinet body occupies a floor area smaller than 1 square meter, and the protection grade of the cabinet body is IP 55; the surface of the cabinet body formed by carbon steel is covered with a paint layer formed by a paint spraying process, and the periphery of the cabinet body forms an antirust, antifreezing and heat-insulating structure by attached heat-insulating cotton; a U-shaped rubber sealing strip is clamped at the door frame of the cabinet door of the cabinet body;
the cabinet body is characterized in that a right left door (J1) and a right door (J2) are arranged according to the layout of the doors, the side left door (J3) and the side right door (J4) are hidden doors locked by a mechanical structure in the cabinet, an air conditioner cover (J6) is fixedly welded above the side right door (J4), and the back left door (J7) and the back right door (J8) are arranged according to the layout of two equally-divided doors.
The utility model has the advantages that:
1. the utility model has high integration, occupies an area less than 1m, does not need land acquisition, is simple and convenient to install, is less limited by terrain, is suitable for wide distribution, and greatly reduces the construction difficulty and cost of the water station.
2. The utility model is provided with a side door, which is particularly convenient for assembly and debugging; extra reserved space is not needed in the cabinet body for assembling and debugging, so that the space is saved, and the integration level is improved; the side door adopts a hidden door design, and a door lock is not needed to be added on the surface, so that the anti-theft function is met, and the attractiveness is not influenced.
3. According to the utility model, aiming at different requirements of the sensor measurement and the water quality on-line analyzer measurement on water samples, the water distribution pretreatment unit adopts three-stage pretreatment, and the source water sample is properly treated and then distributed to the sensor and the water quality on-line analyzer for measurement, so that the measurement values of the sensor and the water quality on-line analyzer are more accurate, and the water quality condition of the measured water body is more truly reflected.
4. The utility model can realize remote reverse control of the superior platform, can remotely switch working modes, remotely set tasks, remotely modify parameters, remotely and independently start executive devices and the like, and can greatly save manpower, save time and improve working efficiency in actual work.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic front view of the present invention (front cabinet door open state);
FIG. 2 is a schematic view of the back of the present invention (back cabinet door open);
FIG. 3 is a schematic diagram of the working principle of the present invention;
in the figure: 1-an integrated industrial personal computer; 2-a multi-parameter controller; 3-a code scanner; 4-an electronic lock; 5-raw water sample sensor assembly; 6-a flow-through cell; 7-a pipeline; 8-a water quality on-line analyzer component; 9-cabinet air conditioning; 10-an ozone generator; 11-a storage battery; 12-an air compressor; 13-a UPS power supply; 14-a liquid storage barrel; 15-sampling cup; 17-a sedimentation tank; 18-a router;
j1-right left door; j2-right door; j3-side left door; j4-side right door; j5-drawer type keyboard and mouse tray; j6-air conditioner cover; j7-back left door; j8-back right door.
Detailed Description
As shown in the figure, the miniature automatic water quality monitoring station comprises a cabinet body, a control unit, an auxiliary unit, an analysis unit and a water distribution pretreatment unit capable of pretreating a monitored water sample; the analysis unit comprises a multi-parameter controller 2, a raw water sample sensor assembly 5 and a water quality online analyzer assembly 8; the water distribution pretreatment unit is connected with the raw water sample sensor assembly and the water quality on-line analyzer assembly, and is used for outputting an untreated monitoring water sample to the raw water sample sensor assembly for measurement and outputting a pretreated monitoring water sample to the water quality on-line analyzer assembly for measurement.
The water distribution pretreatment unit can carry out three-stage pretreatment on a monitored water sample; the water distribution pretreatment unit supplies the monitoring water sample after precipitation and filtration to the water quality on-line analyzer assembly for measurement.
The water distribution pretreatment unit comprises a flow cell 6, a sedimentation tank 17, a sampling cup 15, a valve and a pipeline 7; the sampling cup is communicated with the sedimentation tank and the flow cell.
The analysis unit and the water distribution pretreatment unit of the miniature automatic water quality monitoring station are arranged in the cabinet body;
the raw water sample sensor assembly is hung above the tank cover of the flow tank through a structural member, so that the measuring end of each sensor in the raw water sample sensor assembly is immersed in a water sample of the flow tank.
The flow cell is arranged on the front surface of the cabinet body through a fastener, and the installation position of the flow cell is adjustable; the sedimentation tank is arranged on the back of the cabinet body through a fastener, and the installation position of the sedimentation tank is adjustable; the sampling cup is fixed on a mounting plate J9 of the hinge structure in a hoop structure;
the water quality on-line analyzer assembly is supported by a bearing plate in the cabinet body, and the back of the water quality on-line analyzer assembly is fixed at the cabinet body by a fastener; the raw water sample sensor component comprises a turbidity sensor, a dissolved oxygen sensor, a conductivity sensor and a PH water temperature sensor, and can be replaced or expanded; the water quality online analyzer component comprises a total phosphorus water quality online analyzer, a total nitrogen water quality online analyzer, a CODmn water quality online analyzer and an ammonia nitrogen water quality online analyzer, and can be replaced or expanded.
The control unit comprises a data acquisition and transmission unit and an electric cabinet; a circuit breaker, a PLC, a switching power supply, a contactor, an intermediate relay and a terminal strip are arranged in the electric cabinet;
the data acquisition and transmission unit comprises an integrated industrial personal computer 1 and a router 18; and the integrated industrial personal computer sends a task command to the PLC and the water quality on-line analyzer component according to the set execution period.
The integrated industrial personal computer is connected with the raw water sample sensor assembly 5 and the water quality on-line analyzer assembly 8 through RS485 communication cables;
the router is a single-port router capable of being inserted into an SIM card, and is connected with a superior management platform in a wireless mode by using data flow to acquire and transmit data;
the integrated industrial personal computer is fixedly arranged on a panel of the cabinet body in an embedded mounting mode; a drawer type keyboard and mouse tray J5 is arranged below the integrated industrial personal computer; and a diversion trench structure capable of blocking water from flowing in is arranged at the door frame of the door of the electric cabinet.
The cabinet body comprises an entrance guard unit, and the entrance guard unit comprises an electronic lock 4 and a code scanner 3 which is connected with the electronic lock and can scan a two-dimensional code; the code scanner is installed at an opening of a right left door J1 of the cabinet body in an embedded mode; the electronic lock is embedded in the opening of the front left door J1 and the back right door J8 of the cabinet body;
when the effective two-dimensional code that the two-dimensional code that judges its scanning by bar code scanner is for being generated by higher level's management platform, the electron lock sends the suggestion through the pilot lamp to make the electron lock handle be in the state that can press, when the electron lock handle was pressed, the lock handle of cabinet body cabinet door popped out and makes the cabinet door be in the state that can open.
The auxiliary units comprise a cabinet air conditioner 9, an ozone generator 10, a storage battery 11, an air compressor 12, a UPS (uninterrupted power supply) 13, a liquid storage barrel 14 and a reagent refrigerator;
the liquid storage barrel is connected with the water quality on-line analyzer assembly and comprises a plurality of containers for respectively storing pure water, cleaning wastewater and reaction waste liquid; the ozone generator is connected with an air compressor to produce an ozone-containing pressurized water-gas mixture, and the pressurized water-gas mixture can be used for washing the flow-through tank, the sedimentation tank, the sampling cup, the filter screen and the pipeline.
The cabinet body occupies a floor area smaller than 1 square meter, and the protection grade of the cabinet body is IP 55; the surface of the cabinet body formed by carbon steel is covered with a paint layer formed by a paint spraying process, and the periphery of the cabinet body forms an antirust, antifreezing and heat-insulating structure by attached heat-insulating cotton; a U-shaped rubber sealing strip is clamped at the door frame of the cabinet door of the cabinet body;
the positive left door J1 and the positive right door J2 of cabinet body set up according to big or small door arrangement, and side left door J3 and side right door J4 are the hidden door that can be locked by the interior mechanical structure of cabinet, and welded fastening air conditioner cover J6 is used to side right door J4 top, and back left door J7 and back right door J8 are according to the layout setting of dividing two.
Example (b):
in the embodiment, the auxiliary unit and the water distribution pretreatment unit are separated by a laminate, so that water and electricity separation is realized;
the analysis unit (water quality on-line analyzer assembly) analyzes and tests the water quality parameters of the water sample by methods such as electrochemistry, optics, wet chemistry and the like, and stores the measurement data and relevant state information.
When the product works, the cabinet air conditioner 9 can always measure the return air temperature, namely the real-time temperature in the monitoring cabinet; the UPS power supply 13 and the battery 11 can enable the system to continue to maintain part of important functions for a period of time under the condition of power failure; the reagent refrigerator 16 can refrigerate the reagent at low temperature, so that the shelf life of the reagent is obviously prolonged; the liquid storage barrel 14 comprises three chemical barrels for respectively storing pure water, cleaning wastewater and reaction waste liquid; the ozone generator 10 and the air compressor 12 can provide a pressurized water-air mixture containing ozone by matching with tap water or ignition water, so as to flush the flow cell, the sedimentation tank, the sampling cup, the filter screen and the pipeline, and the ozone can inhibit the growth of algae and bacteria.
In this example, the three-stage pretreatment of the water distribution pretreatment unit is shown in fig. 3: in the first stage, a water pump directly extracts a water sample from a water inlet pipe and pumps the water sample into a flow cell, and the water sample in the flow cell is a source water sample which is not subjected to any treatment and is provided for a sensor to measure; in the second stage, a water pump extracts a water sample from a water inlet pipe, the water sample passes through a Y-shaped filter through the other branch, relatively large impurities are filtered, the water sample flows into a sedimentation tank, and the water sample in the sedimentation tank is the filtered water sample; and thirdly, after the water sample is kept still in the sedimentation tank for a period of time, a sampling cup sample pump pumps the middle layer clear liquid of the sedimentation tank into a sampling cup, and the water sample in the sampling cup is the middle layer clear liquid after filtration and sedimentation. And finally, dividing the water sample in the sampling cup into four paths, and respectively supplying the four paths of water sample to four online water quality analyzers for measurement.
And the industrial personal computer uploads the read measurement parameter values to the superior platform in a wireless communication mode.
In this example, the upper platform acquires data and implements reverse control as shown in fig. 3: the superior management platform can check the parameter values of total phosphorus, total nitrogen, CODmn or CODcr, ammonia nitrogen, turbidity, dissolved oxygen, conductivity, PH, water temperature and the like of the water body, can monitor the change trend of the water quality condition by continuously measuring the parameter values, can comprehensively analyze and judge the possibility of water body pollution and the growth trend of algae, can send out early warning when the change trend of the measured parameters is larger, and can timely confirm the condition on site and judge and process the condition by manual sampling and laboratory analysis. The superior management platform can also remotely reversely control the miniature automatic water quality monitoring station to switch working modes, control a single machine of the device, set tasks, modify parameters and the like.
In the embodiment, when the cabinet door is opened, code scanning verification is required, an effective two-dimensional code is generated by a superior management platform, after a field worker scans the code by using the effective two-dimensional code, a green indicating lamp on the electronic lock 4 is lighted, the electronic lock handles of the front door and the rear door are pressed by force slightly, the door lock handles are popped up, and the cabinet door can be opened; the industrial personal computer can also record unlocking information and feed back unlocking time information and unlocking personnel information contained in the two-dimensional code to the superior pipeline platform.
Claims (10)
1. A miniature automatic water quality monitoring station is characterized in that: the monitoring station comprises a cabinet body, a control unit, an auxiliary unit, an analysis unit and a water distribution pretreatment unit capable of pretreating a monitored water sample; the analysis unit comprises a multi-parameter controller (2), a raw water sample sensor assembly (5) and a water quality on-line analyzer assembly (8); the water distribution pretreatment unit is connected with the raw water sample sensor assembly and the water quality on-line analyzer assembly, and is used for outputting an untreated monitoring water sample to the raw water sample sensor assembly for measurement and outputting a pretreated monitoring water sample to the water quality on-line analyzer assembly for measurement.
2. The miniature automatic water quality monitoring station as set forth in claim 1, wherein: the water distribution pretreatment unit can carry out three-stage pretreatment on a monitored water sample; the water distribution pretreatment unit supplies the monitoring water sample after precipitation and filtration to the water quality on-line analyzer assembly for measurement.
3. The miniature automatic water quality monitoring station as set forth in claim 1, wherein: the water distribution pretreatment unit comprises a flow cell (6), a sedimentation tank (17), a sampling cup (15), a valve and a pipeline (7); the sampling cup is communicated with the sedimentation tank and the flow cell.
4. The miniature automatic water quality monitoring station as set forth in claim 3, wherein: the analysis unit and the water distribution pretreatment unit of the miniature automatic water quality monitoring station are arranged in the cabinet body;
the raw water sample sensor assembly is hung above the tank cover of the flow tank through a structural member, so that the measuring end of each sensor in the raw water sample sensor assembly is immersed in a water sample of the flow tank.
5. The miniature automatic water quality monitoring station as set forth in claim 3, wherein: the flow cell is arranged on the front surface of the cabinet body through a fastener, and the installation position of the flow cell is adjustable; the sedimentation tank is arranged on the back of the cabinet body through a fastener, and the installation position of the sedimentation tank is adjustable; the sampling cup is fixed on a mounting plate (J9) of the hinge structure by a hoop structure;
the water quality on-line analyzer assembly is supported by a bearing plate in the cabinet body, and the back of the water quality on-line analyzer assembly is fixed at the cabinet body by a fastener;
the raw water sample sensor assembly comprises a turbidity sensor, a dissolved oxygen sensor, a conductivity sensor and a PH water temperature sensor; the water quality online analyzer component comprises a total phosphorus water quality online analyzer, a total nitrogen water quality online analyzer, a CODmn water quality online analyzer and an ammonia nitrogen water quality online analyzer.
6. The miniature automatic water quality monitoring station as set forth in claim 3, wherein: the control unit comprises a data acquisition and transmission unit and an electric cabinet; a circuit breaker, a PLC, a switching power supply, a contactor, an intermediate relay and a terminal strip are arranged in the electric cabinet;
the data acquisition and transmission unit comprises an integrated industrial personal computer (1) and a router (18); and the integrated industrial personal computer sends a task command to the PLC and the water quality on-line analyzer component according to the set execution period.
7. The miniature automatic water quality monitoring station as set forth in claim 6, wherein: the integrated industrial personal computer is connected with the raw water sample sensor assembly (5) and the water quality on-line analyzer assembly (8) through RS485 communication cables;
the router is a single-port router capable of being inserted into an SIM card, and is connected with a superior management platform in a wireless mode by using data flow to acquire and transmit data;
the integrated industrial personal computer is fixedly arranged on a panel of the cabinet body in an embedded mounting mode; a drawer type keyboard and mouse tray (J5) is arranged below the integrated industrial personal computer; and a diversion trench structure capable of blocking water from flowing in is arranged at the door frame of the door of the electric cabinet.
8. The miniature automatic water quality monitoring station as set forth in claim 7, wherein: the cabinet body comprises an entrance guard unit, and the entrance guard unit comprises an electronic lock (4) and a code scanner (3) which is connected with the electronic lock and can scan a two-dimensional code; the code scanner is installed at an opening of a right left door (J1) of the cabinet in an embedded mode; the electronic lock is embedded in the opening of the front left door (J1) and the back right door (J8) of the cabinet body;
when the effective two-dimensional code that the two-dimensional code that judges its scanning by bar code scanner is for being generated by higher level's management platform, the electron lock sends the suggestion through the pilot lamp to make the electron lock handle be in the state that can press, when the electron lock handle was pressed, the lock handle of cabinet body cabinet door popped out and makes the cabinet door be in the state that can open.
9. The miniature automatic water quality monitoring station as set forth in claim 3, wherein: the auxiliary unit comprises a cabinet air conditioner (9), an ozone generator (10), a storage battery (11), an air compressor (12), a UPS (13), a liquid storage barrel (14) and a reagent refrigerator;
the liquid storage barrel is connected with the water quality on-line analyzer assembly and comprises a plurality of containers for respectively storing pure water, cleaning wastewater and reaction waste liquid; the ozone generator is connected with an air compressor to produce an ozone-containing pressurized water-gas mixture, and the pressurized water-gas mixture can be used for washing the flow-through tank, the sedimentation tank, the sampling cup, the filter screen and the pipeline.
10. The miniature automatic water quality monitoring station as set forth in claim 1, wherein: the cabinet body occupies a floor area smaller than 1 square meter, and the protection grade of the cabinet body is IP 55; the surface of the cabinet body formed by carbon steel is covered with a paint layer formed by a paint spraying process, and the periphery of the cabinet body forms an antirust, antifreezing and heat-insulating structure by attached heat-insulating cotton; a U-shaped rubber sealing strip is clamped at the door frame of the cabinet door of the cabinet body;
the cabinet body is characterized in that a right left door (J1) and a right door (J2) are arranged according to the layout of the doors, the side left door (J3) and the side right door (J4) are hidden doors locked by a mechanical structure in the cabinet, an air conditioner cover (J6) is fixedly welded above the side right door (J4), and the back left door (J7) and the back right door (J8) are arranged according to the layout of two equally-divided doors.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620491A (en) * | 2023-07-24 | 2023-08-22 | 南通市计量检定测试所 | Unmanned ship for navigation type online hydrologic information and hydrologic monitoring moving method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116620491A (en) * | 2023-07-24 | 2023-08-22 | 南通市计量检定测试所 | Unmanned ship for navigation type online hydrologic information and hydrologic monitoring moving method |
| CN116620491B (en) * | 2023-07-24 | 2023-09-22 | 南通市计量检定测试所 | Unmanned ship for navigation type online hydrologic information and hydrologic monitoring moving method |
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