LU503941B1 - A runoff monitoring device that reflects the change of watershed runoff - Google Patents

A runoff monitoring device that reflects the change of watershed runoff Download PDF

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Publication number
LU503941B1
LU503941B1 LU503941A LU503941A LU503941B1 LU 503941 B1 LU503941 B1 LU 503941B1 LU 503941 A LU503941 A LU 503941A LU 503941 A LU503941 A LU 503941A LU 503941 B1 LU503941 B1 LU 503941B1
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Luxembourg
Prior art keywords
box body
block
runoff
monitoring
monitoring box
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Application number
LU503941A
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French (fr)
Inventor
Meng He
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Inner Mongolia Agricultural Univ Imau
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/006—Details or accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F19/00—Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • G01N33/246—Earth materials for water content

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Casings For Electric Apparatus (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The invention discloses a runoff monitoring device that reflects the change of watershed runoff, includes a monitoring box body, said monitoring box body has a connection block fixedly mounted on the top surface, said connection block has a water inlet bucket fixedly mounted on the top surface; a monitoring assembly, said monitoring assembly is used to monitor the runoff volume, electrically connected to the drive motor through the PLC controller, then the rainwater enters the monitoring box body through the water inlet bucket, the PLC controller sends an electrical signal to the drive motor, the drive motor starts and drives the filament rod to rotate and The sealing block is brought to fit towards the bottom of the restriction block, thus completing the sealing and thus calculating the runoff based on time and volume of water.

Description

A runoff monitoring device that reflects the change of watershed runoff
Technical field
The invention relates to the technical field of runoff flow monitoring, in particular to a runoff monitoring device that reflects the change of watershed runoff.
Background technology
Runoff refers to the water flow along the surface or underground under the action of gravity when rainfall and snow melt water or pouring land. In order to monitor soil and water loss, it is often necessary to monitor runoff flow.
For example, according to the Chinese patent No. CN211978000U, a runoff flow monitoring device for water maintenance, includes a water collecting tank embedded in the bottom surface, the top of the water collecting tank is provided with a water inlet and is fixed with a water inlet bucket, the bottom of the water inlet bucket is arranged in the water collecting tank, and is fixed with a standpipe, and the upper end of both sides of the inner surface of the standpipe is provided with slots. Two slots are connected with a plug block, the other side of the plug block is fixed with a first filter screen and a second filter screen, the two first filter screen is arranged between the connecting mechanism, the inner surface of the pipe is fixed at the bottom of the fixed block is provided with a conical groove is provided with a fixed block, the bottom of the fixed block is provided with a water outlet hole, the water outlet hole is provided with a baffle, both sides of the baffle are provided with a rotating rebound mechanism;
The invention can filter the runoff flowing into the water collecting tank before monitoring the runoff flow, so as to improve the monitoring accuracy of the runoff.
However, the above solution still has some shortcomings, such as the device does not have a timing sealing device, which will lead to the inability to determine the use time of the accumulated water after a certain amount of water is accumulated in the water collecting tank for a long time, so additional tools are needed for timing, which is more inconvenient to use.
Summary of the invention
Aiming at the deficiency of the prior technical, the present invention provides a HU503941 runoff monitoring device that reflects the runoff changes in watershed runoff , and solves the problem that the device does not have a timing sealing device, and the time for the use of the accumulated water cannot be determined after a certain amount of water is accumulated in the collecting tank for a long time, so additional tools are needed for timing, which is more inconvenient to use.
The above technical purpose of the invention is achieved by the following technical solutions:
A runoff monitoring device that reflects the change of watershed runoff , including a monitoring box body, the top surface of the monitoring box body 1s fixedly installed with a connecting block, the top surface of the connecting block is provided with a connecting port, the top surface of the connecting block is fixedly installed with a water inlet bucket, the top surface of the monitoring box body is provided with a water inlet, the top surface of the water inlet bucket open and corresponding to the water inlet; The monitoring component is arranged inside the monitoring box body for monitoring runoff.
By adopting the above technical solutions, the monitoring component can monitor the runoff of the region by setting monitoring components, The monitoring time can be set according to the needs before monitoring, and the monitoring time can be automatically sealed, so as to calculate the runoff according to the monitoring time and collected rainwater, so as to prevent the monitoring time from being long and the interior of the monitoring box body from being filled with rain and cannot be calculated; Or monitoring time is not accurate resulting in calculation errors.
Preferably, the monitoring component includes: a PLC controller, the PLC controller is arranged on one side of the monitoring box body, the monitoring box body 1s provided with an observation port, the internal fixed sleeve of the observation port is provided with an observation block, the monitoring box body is engraved on one side of the scale, the scale is located on the side of the observation block, the monitoring box body is provided with a driving motor on the internal bottom surface;
One end of the drive shaft of the drive motor is fixed with a screw rod, the monitoring box body is provided with a sealing block, the top surface of the sealing block is HUS03941 provided with a thread hole, the screw rod is connected with the thread hole, the monitoring box body is fixed inside the installation of a limit block, the sealing block is located on the bottom surface of the limit block.
By using the above technical solutions, through setting PLC controller, through the PLC controller and the drive motor electrically connected , set the PLC controller one end of the time after starting the drive motor, and then rainwater through the water inlet bucket into the monitoring box body, after one end of the time, the PLC controller sends electrical signal to the drive motor, the drive motor start and drive screw rotation; Under the action of connecting the screw with the thread hole, the sealing block is driven to fit the bottom surface of the limit block, so as to complete the sealing, At this time, the water quantity is determined by observing the observation block and comparing the scale at the side, so as to calculate the runoff according to the time and water quantity.
Preferably, the monitoring box body is provided with an internal filter
By adopting the above technical solutions and setting the filter screen, the rain can be filtered through the filter screen, so that the dust or other impurities in the rain that affect the monitoring accuracy can be ensured to ensure the accuracy of monitoring.
Preferably, the left and right sides of the filter screen are fixed with a clamping block, the monitoring box body is provided on both sides of the internal snap slot, the snap block and the snap slot sliding snap.
By using the above technical solutions, by setting the snap block, through the snap block and the snap slot sliding snap, so that the filter screen is connected to the top surface of the limit block, it can easy to filter the rain water.
Preferably, one side of the monitoring box body is provided with a mounting port, one side of the mounting port is provided with a mounting door, the left and right sides of the mounting door are fixed with a buckle, the mounting door is arranged on one side of the mounting port through the buckle.
By using the above technical solutions, the filter can be removed from the inside HUS03941 of the monitoring box body by setting the mounting door and opening the mounting door, so that the filter can be easily replaced.
Preferably, one side of the monitoring box body is fixed with a first sealing ring, the outer wall of the screw is fixed set is provided with a limit ring, the bottom surface of the limit ring is fixed with a second sealing ring, the top surface of the sealing block is fixed with a third sealing ring.
By using the above technical solutions, by setting the first sealing ring, through the first sealing ring and the mounting door fit, so as to prevent rainwater from the gap of the mounting door into the monitoring box body, through the second sealing ring can prevent rainwater from the gap between the screw and the thread hole into the inside of the monitoring box body, Through the third sealing ring can prevent rainwater from the gap between the sealing block and the limit block outflow.
Preferably, the inner bottom surface of the monitoring box body is fixed with a first waterproof block, the drive motor and the first waterproof block internal fixed set, the top surface of the first waterproof block is provided with a drive hole, the inner circular wall of the drive hole is fixed set that is provided with an oil seal, one end of the drive motor drive shaft and the inner circular wall of the oil seal ring is fixed set;
One side of the monitoring box body is fixedly installed with a second waterproof block, the PLC controller and the second waterproof block internal fixed set.
By using the above technical solutions, by setting the first waterproof block and the second waterproof block, through the first waterproof block and the second waterproof block can protect the drive motor and PLC controller, to prevent the drive motor and PLC controller water damage.
Preferably, the other side of the monitoring box body is provided with a water outlet hole, the other side of the monitoring box body 1s fixed with a water outlet pipe;
One end of the water outlet pipe is open and corresponding to the water outlet hole, the outer wall of the water outlet pipe is provided with a water valve.
By adopting the above technical solutions, the rainwater inside the monitoring box body can be drained by setting the outlet pipe and water valve.
In summary, the invention mainly has the following beneficial effects: HUS03941
By setting the monitoring component, the monitoring component can monitor the runoff of the area, monitoring time can be set according to the need before monitoring, and the monitoring time can be automatically sealed, so as to calculate the runoff 5 according to the monitoring time and collected rainwater, to prevent the monitoring time is long leading to the internal monitoring box body of the interior is filled with rainwater can not be calculated, or monitoring time is not accurate cause calculation error.
By setting PLC controller, through the PLC controller and the drive motor electric connection, set one end of the PLC controller time after the start of the drive motor, and then the rainwater through the water inlet bucket into the monitoring box body, after one end of the time, the PLC controller sends electrical signal to the drive motor, the drive motor starts and drives the screw rotation, under the screw and thread hole thread connection; Drive the sealing block to the bottom surface of the limit block to fit, so as to complete the sealing; At this time, by observing the observation block and comparing the scale at the side, determine the water quantity, thus calculating the runoff based on time and water quantity.
By setting a filter screen, the rainwater can be filtered through the filter screen, so that the dust or other impurities in the rainwater that affect the accuracy of monitoring, to ensure the accuracy of monitoring, by providing a snap block, through the snap block and the snap slot sliding snap, so that the filter screen snap on the top surface of the limit block, to facilitate the filtration of rainwater.
By setting a mounting door, the filter screen can be removed from the inside of the monitoring box body by opening the door to facilitate the replacement of the filter screen. By setting the first sealing ring, through the first sealing ring and the mounting door fit, so as to prevent rainwater from the gap of the mounting door into the monitoring box body; Through the second sealing ring can prevent rain from the gap between the screw and the thread hole into the interior of the monitoring box body;
Through the third sealing ring can prevent rainwater from the gap between the sealing block and the limit block.
By setting the first waterproof block and the second waterproof block; Through HUS03941 the first waterproof block and the second waterproof block can protect the drive motor and PLC controiler, prevent the drive motor and PLC controller water damage, by setting the outlet pipe and water valve, through the outlet pipe and water valve are used to drain the rainwater from the body of the monitoring box after monitoring.
Description of attached drawings
FIG. 1 is a schematic diagram of the three-dimensional structure of the invention;
FIG. 2 is a schematic diagram of the splitting structure of the invention;
FIG. 3 is a schematic diagram of the mounting port structure of the invention;
FIG. 4 is a schematic diagram of the sealing block structure of the invention;
FIG. 5 1s a schematic diagram of the structure of the first waterproof block of the invention;
FIG. 6 is a schematic diagram of the structure of the water outlet hole of the invention;
FIG. 7 is a schematic diagram of the structure of the observation port of the invention.
Attached drawing marks: 1. Monitor box body; 2. Water inlet bucket; 3. Water inlet 4; PLC controller; 5. Observation port; 6. Observation block; 7. Drive motor, 8.
Screw rod; 9. Sealing block, 10, Thread hole; 11 Limit block; 12. Filter screen; 13.
Snap block; 14 Snap slot; 1S. Mounting port; 16. Mounting door; 17. Buckle; 18. The first sealing ring; 19. Limit ring; 20. The first waterproof block; 21. The second waterproof block; 22. Drive hole; 23. Oil seal; 24, Water outlet hole; 25. Outlet pipe; 26. Water valve; 27. The third sealing ring: 28. The second sealing ring, 29.
Connecting block; 30. Connection port.
Specific embodiments
The following is a clear and complete description of the technical solutions in the embodiment of the invention in combination with the drawings attached to the embodiment of the invention. Obviously, the described embodiment is only a part of the embodiment of the invention, but not the whole embodiment. Based on the embodiment of the invention, all other embodiment obtained by ordinary technical HU503941 personnel in the field without creative labor are within the scope of protection of the invention.
Example 1
Referring to Fig.1, 2, 3, 4, 5 and 7, a runoff monitoring device that reflects the change of watershed runoff, comprising a monitoring box body 1; The top surface of the monitoring box body 1 is fixedly installed with a connecting block 29, the top surface of the connecting block 29 is provided with a connecting port 30, and the top surface of the connecting block 29 is fixedly installed with a water inlet bucket 2; The top surface of the monitoring box body 1 is provided with a water inlet 3, the top surface of the water inlet bucket 2 is open and corresponding to the water inlet 3, the monitoring box body 1 is provided with a monitoring component, used to monitor the runoff, the monitoring component includes PLC controller 4, PLC controller 4 for the existing structure will not be repeated here, PLC controller 4 model is
DVP20ECOOR3, The PLC controller 4 is arranged on one side of the monitoring box body 1, the monitoring box body 1 is provided with an observation port 5, the observation port 5 is provided with an internal fixed set of observation block 6, the monitoring box body 1 is engraved with a scale, the scale is located on the side of the observation block 6; Monitoring box body 1 is provided with a drive motor 7 on the internal bottom surface, drive motor 7 for the existing structure is not described here, drive motor 7 is electrically connected with PLC controller 4, one end of the drive shaft of drive motor 7 is fixed with a screw 8, screw 8 for the existing structure is not described here, monitoring box body 1 is provided with a sealing block 9, The top surface of sealing block 9 is provided with thread hole 10, thread hole 10 for the existing structure is not described here, screw 8 and thread hole 10 thread connection, the monitoring box body 1 is fixedly installed inside the limit block 11, the sealing block 9 is located on the bottom surface of the limit block 11, by setting PLC controller 4, through the PLC controller 4 and drive motor 7 electrical connection;
After one end of the time, the PLC controller 4 starts the drive motor 7, and then the rainwater enters the monitoring box body 1 through the water inlet bucket 2, after one end of the time, the PLC controller 4 sends an electrical signal to the drive motor 7,the HUS03941 driving motor 7 starts and drives the screw 8 to rotate. Under the connection between the screw 8 and the thread hole 10, the sealing block 9 is driven to fit the bottom surface of the limit block 11, so as to complete the sealing; At this time, the water quantity can be determined by comparing the scale beside the observation block 6, so as to calculate the runoff based on time and water quantity.
Example 2
Referring to Fig.2, 3, 4, 5 and 6, the monitoring box body 1 is provided with a filter screen 12; The filter screen 12 is an existing structure, and the left and right sides of the filter screen 12 are fixedly installed with a snap block 13. The monitoring box body 1 is provided with a snap slot 14 on the left and right sides, and the snap block 13 is slithered with the snap slot 14; A mounting port 15 is arranged on one side of the monitoring box body 1, and a mounting door 16 is arranged on one side of the mounting port 15. The left and right sides of the mounting door 16 are fixed with buckles 17. For the existing structure, buckles 17 are not to be repeated here; The mounting door 16 is set on the side of the mounting port 15 by the buckle 17; The first sealing ring 18 for the existing structure will not be repeated here, The outer wall of the screw 8 is fixed with a limit ring 19, the bottom surface of the limiting ring 19 is fixed with a second sealing ring 28, the second sealing ring 28 for the existing structure is not repeated here, the top surface of the sealing block 9 is fixed with a third sealing ring 27, the third sealing ring 27 for the existing structure is not described here, by setting the first sealing ring 18, Through the first sealing ring 18 and the mounting door 16 fit, so as to prevent rain from the mounting door 16 gap into the monitoring box body 1, through the second sealing ring 28 can prevent rainwater from the screw rod 8 and thread hole 10 between the gap into the monitoring box body 1, through the third sealing ring 27 can prevent rainwater from sealing block 9 and the gap between the block 11. The third seal 27 prevents rainwater from escaping through the gap between the sealing block 9 and the limit block 11.
Example 3
Referring to Fig.3, 4, 5, 6 and 7, the first waterproof block 20 is fixed on the inner bottom surface of the monitoring box body 1, and the internal fixing set of the HU503941 drive motor 7 and the first waterproof block 20 is arranged. The top surface of the first waterproof block 20 is provided with a drive hole 22, and the inner wall fixing set of the drive hole 22 is provided with an oil seal 23; One end of the drive shaft of the drive motor 7 is fixed with the inner circular wall surface of the inner ring of the oil seal 23; The second waterproof block 21 is fixed on one side of the monitoring box body 1, and the internal fixed set of the PLC controller 4 and the second waterproof block 21 is fixed on the other side of the monitoring box body 1; The water outlet outlet 24 is arranged on the other side of the monitoring box body 1, and the water outlet pipe 25 is fixed on the other side of the monitoring box body 1, the outlet pipe 25 is the existing structure; One end of outlet pipe 25 is open to correspond with the water outlet hole 24. The outer circular wall of outlet pipe 25 is provided with water valve 26; Water valve 26 for the existing structure is not repeated here, by setting outlet pipe 25 and water valve 26, through the outlet pipe 25 and the water valve 26 can drain the rainwater inside the monitoring box body 1 after monitoring.
Working principle: Please refer to FIG. 1-Fig. 7. When in use, by setting the buckle 17 and opening the buckle 17, remove the mounting door 16 from the monitoring box body 1, and then the snap block 13 and snap slot 14 sliding snap , so as to install the filter screen 12 into the inside of the monitoring box body 1, and then start the PLC controller 4; Set the time of PLC controller 4 to start drive motor 7, and then start monitoring, rainwater through the water inlet bucket 2 into the water inlet 3 and then into the interior of the monitoring box body 1, filtered through the filter screen 12, flow into the interior bottom of the monitoring box body 1, when the PLC controller 4 set the time, drive motor 7 start, drive motor 7 drive screw 8 rotation;
Screw 8 drives sealing block 9 to fit on the bottom surface of limit block 11 under the action of thread hole 10, so as to complete the sealing. At this time, by observing the observation block 6 and comparing the scale at the side, determine the water quantity, so as to calculate the runoff according to the time and water quantity.
Although embodiments of the invention have been shown and described, it is understandable to the ordinary technical skill in the field that many variations,
modifications, substitutions and variations of these embodiments can be made HUS03941 without deviating from the principles and spirit of the invention, and that the scope of the invention is limited by the attached claims and their equivalents.

Claims (8)

1. A runoff monitoring device that reflects the change of watershed runoff, it characterized in that it comprises: Monitoring box body (1), the top surface of the monitoring box body (1) is fixed with a connecting block (29), the top surface of the connecting block (29) is provided with a connecting port (30), the top surface of the connecting block (29) is fixed with a water inlet bucket (2), the top surface of the monitoring box body (1) is provided with a water inlet (3), The top surface opening of the water inlet bucket (2) corresponds to the water inlet (3); The monitoring component is arranged inside the monitoring box body (1) for monitoring runoff.
2. According to a runoff monitoring device described in claim 1 that reflects watershed runoff changes, it characterized in that said monitoring assembly comprises: PLC controller (4), the PLC controller (4) is arranged on one side of the monitoring box body (1), the monitoring box body (1) is provided with an observation port (5), the observation port (5) internal fixed set is provided with an observation block (6), the monitoring box body (1) is engraved on one side of the scale, the scale is located on the side of the observation block (6), The inner bottom surface of the monitoring box body (1) is provided with a drive motor (7), one end of the drive shaft of the drive motor (7) is fixed with a screw rod (8), the monitoring box body (1) is provided with a sealing block (9), the top surface of the sealing block (9) is provided with a thread hole (10), the screw rod (8) and the thread hole (10) thread connection, The monitoring box body (1) is fixative installed inside a limit block (11), and the sealing block (9) is located on the bottom of the limit block (11).
3. According to a runoff monitoring device described in claim 1 that reflects watershed runoff changes, its characteristics lie in that the monitoring box body (1) is provided with a filter screen (12).
4. According to a runoff monitoring device described in claim 3 that reflects watershed runoff changes, its characteristics lie in that the left and right sides of the HUS03941 filter screen (12) are fixed with a snap block (13), the monitoring box body (1) on both sides of the internal snap slot (14), the snap block (13) and the snap slot (14) sliding snap connection.
5. According to a runoff monitoring device described in claim 2 that reflects watershed runoff changes, its characteristics lie in that one side of the monitoring box body (1) is provided with a mounting port (15), one side of the mounting port (15) is provided with a mounting door (16), the left and right sides of the mounting door (16) are fixed with a buckle (17), The mounting door (16) is arranged on one side of the mounting port (15) through a buckle (17).
6. According to a runoff monitoring device described in claim 5 that reflects watershed runoff changes , its characteristics lie in that the monitoring box body (1) is fixed on one side of the first sealing ring (18), the outer wall of the screw rod (8) is fixed with a limit ring (19), the limit ring (19) is fixed on the bottom surface of the second sealing ring (28), The top surface of the sealing block (9) is fixedly arranged with a third sealing ring (27).
7. According to a runoff monitoring device described in claim 5 that reflects watershed runoff changes, its characteristics lie in that the monitoring box body (1) is fixed on the internal bottom surface of the first waterproof block (20), the drive motor (7) and the first waterproof block (20) of the internal fixed set, the top surface of the first waterproof block (20) is provided with a drive hole (22), The inner circular wall of the drive hole (22) is fixed with an oil seal (23), one end of the drive motor (7) drive shaft is fixed with the inner circular wall of the inner ring of the oil seal (23), the monitoring box body (1) is fixed on one side of the second waterproof block (21), The PLC controller (4) and the second waterproof block (21) are internal fixed set.
8. According to a runoff monitoring device described in claim 1 that reflects watershed runoff changes, its characteristics lie in that the other side of the monitoring box body (1) is provided with a water outlet hole (24), the other side of the monitoring box body (1) is fixed with an outlet pipe (25), and the outlet pipe (25) is open at one end corresponding to the water outlet hole (24). The outer circular wall
. . . . LU503941 surface of the outlet pipe (25) is provided with a water valve (26).
LU503941A 2022-08-18 2023-04-14 A runoff monitoring device that reflects the change of watershed runoff LU503941B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210993134.2A CN115218980A (en) 2022-08-18 2022-08-18 Runoff monitoring device capable of reflecting runoff change of watershed

Publications (1)

Publication Number Publication Date
LU503941B1 true LU503941B1 (en) 2023-10-16

Family

ID=83615698

Family Applications (1)

Application Number Title Priority Date Filing Date
LU503941A LU503941B1 (en) 2022-08-18 2023-04-14 A runoff monitoring device that reflects the change of watershed runoff

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CN (1) CN115218980A (en)
LU (1) LU503941B1 (en)

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