CN220136460U - Airport escape canal flow monitoring devices - Google Patents
Airport escape canal flow monitoring devices Download PDFInfo
- Publication number
- CN220136460U CN220136460U CN202321721199.8U CN202321721199U CN220136460U CN 220136460 U CN220136460 U CN 220136460U CN 202321721199 U CN202321721199 U CN 202321721199U CN 220136460 U CN220136460 U CN 220136460U
- Authority
- CN
- China
- Prior art keywords
- plate
- drainage ditch
- airport
- floating ring
- assembly
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000002955 isolation Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 48
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Abstract
The utility model discloses an airport drainage ditch flow monitoring device which comprises a mounting plate, a connecting rod assembly, a floating ring assembly, a laser ranging assembly and a cylindrical screen assembly; the mounting plate is arranged on the inner wall of the airport drainage ditch; a top plate and a bottom plate are arranged on the mounting plate; the bottom plate is positioned below the top plate; the connecting rod assembly is fixedly connected between the bottom plate and the top plate; the floating ring component is connected to the connecting rod component in a sliding way; the laser ranging component is arranged on the top plate and is used for measuring the height of the floating ring component; the cylindrical screen assembly is fixedly arranged on the top plate and the mounting plate; the bottom plate is provided with a temperature sensor, and the temperature sensor and the laser ranging component are electrically connected with an electric power storage control mechanism. The utility model can realize real-time measurement of the temperature and the water level of the water body in the airport drainage ditch, has high monitoring precision and working efficiency, is convenient for workers to do danger elimination work in advance, and improves the safety performance.
Description
Technical Field
The utility model relates to the technical field of water flow monitoring, in particular to an airport drainage ditch flow monitoring device.
Background
In the existing airport drainage system, an airport drainage ditch bears a drainage function. Because the airport area is large, the rainwater collection flow is large, the water flow velocity in the drainage ditch is high, and the ditch body and the surrounding soil surface area are easy to be scoured or even destroyed when the flow velocity is large; sediment wrapped by rainwater is easy to deposit at the bottom of the ditch when the flow speed is low, and the drainage capacity of the drainage ditch is affected; the freeze thawing cycle in winter in cold areas causes structural damage to the drainage ditch. In order to maintain and remove danger in time, the water level and the water temperature in the drainage ditch need to be monitored.
In the prior art, a water level detector is usually required to be manually placed in a drainage ditch to monitor the water level in the drainage ditch of an airport, impurities in rainwater are easy to accumulate on the surface of the water level detector, so that the detection precision is reduced, water level information at a corresponding position is required to be manually checked, the information is not timely mastered, and the work efficiency of maintenance and relief is low and the safety guarantee is poor.
Therefore, an airport drainage ditch flow monitoring device is provided.
Disclosure of Invention
The utility model aims to provide an airport drainage ditch flow monitoring device, which aims to solve or improve at least one of the technical problems.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an airport drainage ditch flow monitoring device, comprising:
the mounting plate is mounted on the inner wall of the airport drainage ditch; a top plate and a bottom plate are arranged on the mounting plate; the bottom plate is positioned below the top plate;
the connecting rod assembly is fixedly connected between the bottom plate and the top plate;
the floating ring assembly is connected to the connecting rod assembly in a sliding manner;
the laser ranging component is mounted on the top plate and is used for measuring the height of the floating ring component;
the cylindrical screen assembly is fixedly arranged on the top plate and the mounting plate, and is fixedly covered outside the connecting rod assembly, the laser ranging assembly and the bottom plate;
the temperature sensor is arranged on the bottom plate, the temperature sensor is electrically connected with the laser ranging component, and the power storage control mechanism is arranged outside the airport drainage ditch.
According to the present utility model there is provided an airport drainage ditch flow monitoring device, the connecting rod assembly comprising:
the top of the rod body is fixedly connected with the center of the bottom surface of the top plate, and the bottom of the rod body is fixedly connected with the center of the top surface of the bottom plate;
the sliding rail is fixedly arranged on the outer wall of the rod body and is arranged along the length direction of the rod body;
the floating ring assembly is arranged outside the rod body in a sliding sleeve mode, and the floating ring assembly is connected with the sliding rail in a sliding mode.
According to the airport drainage ditch flow monitoring device provided by the utility model, the floating ring assembly comprises a floating ring body which is sleeved on the outer wall of the rod body in a sliding way, a sliding groove is arranged on the inner wall of the floating ring body, and the sliding groove is in sliding connection with the sliding rail; the floating ring body is positioned between the top plate and the bottom plate.
According to the airport drainage ditch flow monitoring device provided by the utility model, the laser ranging component comprises a laser generator, a laser receiver and a refractive plate; the laser generator and the laser receiver are arranged on the bottom surface of the top plate; the refraction plate is arranged on the top surface of the floating ring body, and the laser signals emitted by the laser generator are received by the laser receiver after being refracted by the refraction plate; the laser generator and the laser receiver are electrically connected with the electric power storage control mechanism.
According to the airport drainage ditch flow monitoring device provided by the utility model, the cylindrical screen assembly comprises a cylindrical screen fixedly connected to the bottom surface of the top plate, and the cylindrical screen is fixedly connected with the mounting plate; the bottom of the cylinder separation net is open, and the cylinder separation net cover is arranged outside the bottom plate, the rod body, the laser generator and the laser receiver;
the bottom opening of the cylinder screen is fixedly provided with a funnel-shaped screen, and the tip end of the funnel-shaped screen faces the inner bottom wall of the airport drainage ditch.
According to the airport drainage ditch flow monitoring device provided by the utility model, the electric power storage control mechanism comprises a shell arranged outside the airport drainage ditch, and a controller and a storage battery are arranged in the shell; the laser generator, the laser receiver, the temperature sensor and the storage battery are all electrically connected with the controller.
According to the airport drainage ditch flow monitoring device provided by the utility model, the shell is provided with the alarm lamp, and the alarm lamp is electrically connected with the controller.
According to the airport drainage ditch flow monitoring device provided by the utility model, the mounting plate is provided with the fastening bolts, and the mounting plate is fixedly connected with the inner wall of the airport drainage ditch through the fastening bolts.
The utility model discloses the following technical effects:
the floating ring component floats on the water surface of the airport drainage ditch; when the water level of the airport drainage ditch changes, the floating ring component slides up and down along the connecting rod component along with the water level; the height of the floating ring assembly is measured in real time through the laser ranging assembly, so that the real-time measurement of the water level in the airport drainage ditch is realized; the temperature sensor can be used for monitoring the temperature of the water body in the airport drainage ditch in real time, the laser ranging component and the temperature sensor are used for transmitting the water level information and the water temperature information to the electric power storage control mechanism, the electric power storage control mechanism is used for transmitting the information to a background staff, so that the staff can conveniently master the water level and the water temperature change of the airport drainage ditch in time, and the operator can do danger-removing work in advance according to the water level information, thereby improving the operation safety guarantee capability of the airport;
the utility model is provided with the cylindrical screen component, and the connecting rod component, the laser ranging component and the bottom plate are covered and protected, so that the influence of water impurities in the airport drainage ditch on the device is reduced, the water level monitoring and water temperature monitoring precision is improved, the working efficiency is improved, and the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an airport drainage ditch flow monitoring device according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of B in FIG. 1;
FIG. 4 is a schematic illustration of the connection of a cylindrical screen assembly to a mounting plate in accordance with the present utility model;
FIG. 5 is a schematic illustration of the connection of a floating ring assembly to a connecting rod assembly in accordance with the present utility model;
wherein, 1, mounting plate; 2. a top plate; 3. a bottom plate; 4. a temperature sensor; 5. a rod body; 6. a slide rail; 7. a floating ring body; 8. a chute; 9. a laser generator; 10. a laser receiver; 11. a refractive plate; 12. a cylindrical screen; 13. a funnel-shaped screen; 14. a housing; 15. a controller; 16. a storage battery; 17. an alarm lamp; 18. a fastening bolt; 19. a limiting block; 20. airport drainage ditch.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-5, the present utility model provides an airport drainage ditch flow monitoring device comprising:
the mounting plate 1, the mounting plate 1 is mounted on the inner wall of the airport drainage ditch 20; a top plate 2 and a bottom plate 3 are arranged on the mounting plate 1; the bottom plate 3 is positioned below the top plate 2;
the connecting rod assembly is fixedly connected between the bottom plate 3 and the top plate 2;
the floating ring assembly is connected to the connecting rod assembly in a sliding manner;
the laser ranging component is arranged on the top plate 2 and is used for measuring the height of the floating ring component;
the cylindrical screen assembly is fixedly arranged on the top plate 2 and the mounting plate 1, and fixedly covered outside the connecting rod assembly, the laser ranging assembly and the bottom plate 3;
wherein, the temperature sensor 4 is arranged on the bottom plate 3, the temperature sensor 4 and the laser ranging component are electrically connected with the electric power storage control mechanism, and the electric power storage control mechanism is arranged outside the airport drainage ditch 20;
so configured, the floating ring assembly of the present utility model floats on the surface of the airport drainage system 20; when the water level of the airport drainage ditch 20 changes, the floating ring component slides up and down along the connecting rod component along with the water level; the height of the floating ring assembly is measured in real time through the laser ranging assembly, so that the real-time measurement of the water level in the airport drainage ditch is realized; the temperature sensor 4 can monitor the temperature of water in the airport drainage ditch 20 in real time, so that the ditch body is prevented from being damaged when the temperature is too low in winter; the laser ranging component and the temperature sensor 4 are used for transmitting the water level information and the water temperature information to the electric power storage control mechanism, and the electric power storage control mechanism is used for transmitting the information to a background staff, so that the staff can conveniently grasp the water level and the water temperature change of the airport drainage ditch 20 in time, and the staff can do danger-removing work in advance according to the water level information, thereby improving the safety performance;
the utility model is provided with the cylindrical screen component, and the connecting rod component, the laser ranging component and the bottom plate 3 are covered and protected, so that the influence of water impurities in the airport drainage ditch 20 on the device is reduced, the water level monitoring and water temperature monitoring precision is improved, the working efficiency is improved, and the service life of the device is prolonged.
Further optimizing scheme, the connecting rod subassembly includes:
the top of the rod body 5 is fixedly connected with the center of the bottom surface of the top plate 2, and the bottom of the rod body 5 is fixedly connected with the center of the top surface of the bottom plate 3;
the sliding rail 6 is fixedly arranged on the outer wall of the rod body 5 and is arranged along the length direction of the rod body 5;
the floating ring assembly is sleeved outside the rod body 5 in a sliding manner and is connected with the sliding rail 6 in a sliding manner;
the floating ring assembly comprises a floating ring body 7 which is sleeved on the outer wall of the rod body 5 in a sliding way, a sliding groove 8 is arranged on the inner wall of the floating ring body 7, and the sliding groove 8 is in sliding connection with the sliding rail 6; the floating ring body 7 is positioned between the top plate 2 and the bottom plate 3;
the floating ring body 7 moves up and down along the outer wall of the rod body 5 through the chute 8 and the slide rail 6, so that the water surface height of the random field drainage ditch 20 is moved; through setting up the sliding connection of spout 8 and slide rail 6, realize the radial spacing of floating ring body 7, improve the stability of floating ring body 7 reciprocates.
Further optimizing scheme, the laser ranging component comprises a laser generator 9, a laser receiver 10 and a refraction plate 11; the laser generator 9 and the laser receiver 10 are mounted on the bottom surface of the top plate 2; the refraction plate 11 is arranged on the top surface of the floating ring body 7, and the laser signal emitted by the laser generator 9 is received by the laser receiver 10 after being refracted by the refraction plate 11; the laser generator 9 and the laser receiver 10 are electrically connected with the electric power storage control mechanism; so set up, send laser signal through laser generator 9, after refracting through the refracting plate 11 of floating ring body 7 top surface, receive laser signal through laser receiver 10, and then obtain the interval of floating ring body 7 and roof 2, and then realize the real-time measurement to the water level in the airport escape canal 20.
In a further optimized scheme, the cylindrical screen assembly comprises a cylindrical screen 12 fixedly connected to the bottom surface of the top plate 2, and the cylindrical screen 12 is fixedly connected with the mounting plate 1; the bottom of the cylinder isolation net 12 is open, and the cylinder isolation net 12 is covered outside the bottom plate 3, the rod body 5, the laser generator 9 and the laser receiver 10;
a funnel-shaped screen 13 is fixedly arranged at the bottom opening of the cylindrical screen 12, and the tip of the funnel-shaped screen 13 faces the inner bottom wall of the airport drainage ditch 20;
the cylindrical screen 12 and the funnel-shaped screen 13 are arranged to cover and protect the bottom plate 3, the rod body 5, the laser generator 9 and the laser receiver 10, so that the influence of water impurities in the airport drainage ditch 20 on the device is reduced, the water level monitoring and water temperature monitoring precision is improved, the working efficiency is improved, and the service life of the device is prolonged; the funnel-shaped separation net 13 is arranged, so that impurities slide down along the funnel-shaped separation net 13 under the action of dead weight, the adhesion and accumulation of the impurities on the surface of the funnel-shaped separation net 13 can be reduced, and the filtering efficiency is improved.
In a further optimized scheme, the electric power storage control mechanism comprises a shell 14 arranged outside an airport drainage ditch 20, and a controller 15 and a storage battery 16 are arranged in the shell 14; the laser generator 9, the laser receiver 10, the temperature sensor 4 and the storage battery 16 are electrically connected with the controller 15; the controller 15 may be set according to a specific use environment, for example, may be a single chip microcomputer or may be controlled by adopting a method such as PLC, ARM (Advanced RISC Machine: high-end reduced instruction set machine), FPGA (Field-Programmable Gate Array: field programmable gate array), etc., which is not limited in this embodiment; the controller 15 transmits the water level information and the water temperature information to the background through the wireless transmission module, so that the water level information and the water temperature information are convenient for workers to check; in this embodiment, the wireless transmission module adopts the LORA module 11.
In a further optimized scheme, an alarm lamp 17 is arranged on the shell 14, and the alarm lamp 17 is electrically connected with the controller 15; when the water level information exceeds the set threshold, the controller 15 controls the alarm lamp 17 to light up to give an early warning alarm.
Further optimizing scheme installs a plurality of fastening bolts 18 on the mounting panel 1, and mounting panel 1 passes through fastening bolt 18 and the inner wall fixed connection of airport escape canal 20.
In a further optimization scheme, a flow rate sensor (not shown in the figure) is arranged on the bottom plate 3, and the flow rate sensor is electrically connected with the controller 15; the field staff can monitor the water flow rate in real time through the flow rate sensor, when the water flow rate is low, the field staff needs to strengthen maintenance and dredging of the drainage ditch, and when the water flow rate is high, the field staff needs to pay attention to eliminating the risk that the drainage outlet is flushed.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (8)
1. An airport drainage ditch flow monitoring device, comprising:
the mounting plate (1) is mounted on the inner wall of the airport drainage ditch (20); a top plate (2) and a bottom plate (3) are arranged on the mounting plate (1); the bottom plate (3) is positioned below the top plate (2);
the connecting rod assembly is fixedly connected between the bottom plate (3) and the top plate (2);
the floating ring assembly is connected to the connecting rod assembly in a sliding manner;
the laser ranging component is mounted on the top plate (2) and is used for measuring the height of the floating ring component;
the cylindrical screen assembly is fixedly arranged on the top plate (2) and the mounting plate (1), and fixedly covered outside the connecting rod assembly, the laser ranging assembly and the bottom plate (3);
the temperature sensor (4) is installed on the bottom plate (3), the temperature sensor (4) and the laser ranging component are electrically connected with the electric power storage control mechanism, and the electric power storage control mechanism is arranged outside the airport drainage ditch (20).
2. The airport drainage ditch flow monitoring device of claim 1, wherein: the connecting rod assembly includes:
the top of the rod body (5) is fixedly connected with the center of the bottom surface of the top plate (2), and the bottom of the rod body (5) is fixedly connected with the center of the top surface of the bottom plate (3);
the sliding rail (6) is fixedly arranged on the outer wall of the rod body (5) and is arranged along the length direction of the rod body (5);
the floating ring assembly is arranged outside the rod body (5) in a sliding sleeve mode, and the floating ring assembly is connected with the sliding rail (6) in a sliding mode.
3. The airport drainage ditch flow monitoring device of claim 2, wherein: the floating ring assembly comprises a floating ring body (7) which is sleeved on the outer wall of the rod body (5) in a sliding manner, a sliding groove (8) is formed in the inner wall of the floating ring body (7), and the sliding groove (8) is in sliding connection with the sliding rail (6); the floating ring body (7) is positioned between the top plate (2) and the bottom plate (3).
4. An airport drainage ditch flow monitoring device according to claim 3 wherein: the laser ranging component comprises a laser generator (9), a laser receiver (10) and a refraction plate (11); the laser generator (9) and the laser receiver (10) are arranged on the bottom surface of the top plate (2); the refraction plate (11) is arranged on the top surface of the floating ring body (7), and the laser signal emitted by the laser generator (9) is received by the laser receiver (10) after being refracted by the refraction plate (11); the laser generator (9) and the laser receiver (10) are electrically connected with the power storage control mechanism.
5. The airport drainage system flow monitoring device of claim 4, wherein: the cylindrical screen assembly comprises a cylindrical screen (12) fixedly connected to the bottom surface of the top plate (2), and the cylindrical screen (12) is fixedly connected with the mounting plate (1); the bottom of the cylinder isolation net (12) is open, and the cylinder isolation net (12) is covered outside the bottom plate (3), the rod body (5), the laser generator (9) and the laser receiver (10);
the bottom opening of the cylinder isolation net (12) is fixedly provided with a funnel-shaped isolation net (13), and the tip of the funnel-shaped isolation net (13) faces to the inner bottom wall of the airport drainage ditch (20).
6. The airport drainage system flow monitoring device of claim 5, wherein: the electric power storage control mechanism comprises a shell (14) arranged outside the airport drainage ditch (20), and a controller (15) and a storage battery (16) are arranged in the shell (14); the laser generator (9), the laser receiver (10), the temperature sensor (4) and the storage battery (16) are electrically connected with the controller (15).
7. The airport drainage system of claim 6, wherein: the shell (14) is provided with an alarm lamp (17), and the alarm lamp (17) is electrically connected with the controller (15).
8. The airport drainage ditch flow monitoring device of claim 1, wherein: a plurality of fastening bolts (18) are arranged on the mounting plate (1), and the mounting plate (1) is fixedly connected with the inner wall of the airport drainage ditch (20) through the fastening bolts (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721199.8U CN220136460U (en) | 2023-07-03 | 2023-07-03 | Airport escape canal flow monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321721199.8U CN220136460U (en) | 2023-07-03 | 2023-07-03 | Airport escape canal flow monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220136460U true CN220136460U (en) | 2023-12-05 |
Family
ID=88957190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321721199.8U Active CN220136460U (en) | 2023-07-03 | 2023-07-03 | Airport escape canal flow monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220136460U (en) |
-
2023
- 2023-07-03 CN CN202321721199.8U patent/CN220136460U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208225263U (en) | A kind of safety monitoring slope acquisition system based on Internet of Things big data | |
| CN105354990B (en) | Massif monitoring and warning/warning system | |
| CN109162300B (en) | Wisdom drainage well lid | |
| CN204422020U (en) | Water level monitoring system | |
| CN206440347U (en) | Multi-functional water level monitor device for reservoir | |
| CN220136460U (en) | Airport escape canal flow monitoring devices | |
| CN209879736U (en) | Unattended road condition early warning system | |
| CN214583406U (en) | Geological landslide monitoring device | |
| CN214372820U (en) | Underground water level change monitoring system | |
| CN106448200B (en) | Anti-lightning strike tunnel ponding warning system and method based on 4G network | |
| CN213543725U (en) | Wisdom city underground pipe network water level monitoring early warning device | |
| CN212541543U (en) | Road both sides side slope real-time supervision early warning system based on stress method | |
| CN211927016U (en) | Mining ultrasonic water level automatic drainage and alarm control device | |
| CN210514626U (en) | Laser ranging device for geological disaster monitoring | |
| CN211825991U (en) | Water environment monitoring system | |
| CN213958187U (en) | Electric power communication optical cable external-damage-prevention alarm device | |
| CN112698429A (en) | Multi-point measurement type rainfall accumulation early warning prompting device | |
| CN117571205B (en) | Hydraulic engineering building seepage flow detection device | |
| CN112710350A (en) | Monitoring device for water conservancy construction management and using method thereof | |
| CN219418260U (en) | Bridge opening rainwater protection alarm device | |
| CN216408312U (en) | Tunnel construction monitoring devices | |
| CN112581704A (en) | Electric power communication optical cable external-damage-prevention alarm device | |
| CN219011453U (en) | Anti-blocking stirring and filtering device for drainage well | |
| CN218955869U (en) | Ponding monitoring devices | |
| CN219608159U (en) | Distributed low-power-consumption ponding depth monitoring alarm system based on Internet of things sensing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |