CN212335755U

CN212335755U - Highway grand bridge deck runoff collection system

Info

Publication number: CN212335755U
Application number: CN202021547596.4U
Authority: CN
Inventors: 秦海伟; 张晓林; 丁岩; 白运洲; 支建凯; 王哲; 娄鹏; 张心华; 吴昊; 张毅鹏; 邝瑞杰; 岳海龙
Original assignee: Henan Transportation Research Institute Co ltd
Current assignee: Henan Transportation Research Institute Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-01-12
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a highway grand bridge deck runoff collecting system, which can solve the problems existing in the grand bridge deck runoff collection of more than kilometers, wherein an inverted trapezoid detection pipe and a booster pump are arranged on a transverse water pipe on a bridge, and a first butterfly valve is arranged on a straight drainage pipe at the water outlet end of the inverted trapezoid detection pipe and the communication part of the transverse water pipe; the water outlet end of the inverted trapezoid detection pipe at the water outlet end of the transverse water pipe is communicated with the water tank through a branch pipe, a discharge pipe is arranged on the branch pipe, a second butterfly valve is arranged on the discharge pipe, and a third butterfly valve is arranged on the branch pipe between the communication position of the discharge pipe and the branch pipe and the communication position of the water tank and the branch pipe; or horizontal water pipe goes out the water end and communicates through collecting pipe and water tank, has electric water pump on the collecting pipe, and booster pump, first, second, third butterfly valve and electric water pump all are connected with the controller, the utility model is suitable for a bridge floor runoff drainage demand of super bridge more than kilometer has improved drainage ability greatly, can in time get rid of the bridge floor ponding, has solved the bridge floor runoff of super bridge and has collected and the accident leakage protection problem.

Description

Highway grand bridge deck runoff collection system

Technical Field

The utility model relates to a road drainage equipment field, especially a highway super bridge floor runoff collection system.

Background

With the rapid increase of road passing mileage, the influence of road and bridge surface runoff on important surface water bodies such as drinking water sources and places is increasingly intensified. The bridge deck runoff collecting system is a main measure for preventing and controlling runoff pollution. Set up bridge floor runoff collection system except taking precautions against highway bridge floor runoff and pollute, more importantly in order to take place the accident leakage pollution of bridge position department.

The bridge deck runoff collecting system arranged on the current highway adopts the following scheme: and paving a transverse drain pipe outside the bridge to be connected with a bridge floor drain hole, wherein the bridge floor runoff flows into the drain pipe through the reserved drain hole of the bridge floor and then is converged into the water collecting tank. The bottom and the wall of the pool are both made of grouted rubbles, and the bottom of the pool is subjected to simple anti-seepage treatment and is generally arranged in a river channel below the bridge.

For example, the highway bridge deck runoff real-time identification and selective collection system with the patent number of CN201210063998.0, wherein a controller is respectively connected with a camera, a first electromagnetic valve, a rain and snow sensor, a second electromagnetic valve, an ultrasonic flowmeter and a third electromagnetic valve, the controller is connected with a monitor through a router, the ultrasonic flowmeter is attached to the outer wall of a U-shaped detection tube, the U-shaped detection tube is internally provided with the second sensor connected with the controller, the U-shaped detection tube is respectively communicated with the second electromagnetic valve and the third electromagnetic valve, a first discharge port of the second electromagnetic valve is communicated with a sedimentation tank, a second discharge port of the second electromagnetic valve is communicated with a first water inlet pipe of a collection tank for accident leakage, a second water inlet pipe of the collection tank is connected with a discharge port of the third electromagnetic valve, a liquid level meter connected with the controller is arranged in the collection tank, the discharge port of the sedimentation tank is connected with the first electromagnetic valve, and the first electromagnetic valve is provided with, the first discharge port of the first electromagnetic valve is connected with the water inlet pipe of the purifier, and the water outlet pipe of the purifier and the second discharge port of the first electromagnetic valve are respectively communicated with the side ditch.

The bridge deck runoff collecting system is suitable for bridges within 1000 meters. The diameter of the tail end of the collecting pipeline is not less than 60 cm due to the fact that the bridge is too large, the load on the outer side of the bridge is 0.6t/m in a full water state, the lateral load borne by a single span beam is not less than 30t, the bridge is connected among the bridge pieces in a mode that the embedded steel bars are welded together to form a whole, the strength is limited, when the lateral load is borne too large, the structural safety of the connection part is affected, the outer side beam pieces have overturning hidden dangers, and the traffic safety is affected.

In order to solve the problems existing in the runoff collection of the bridge deck of the grand bridge over kilometers and ensure the environment-friendly and safe operation of the highway, improvement and innovation are imperative.

Disclosure of Invention

To the above situation, for overcoming the prior art defect, the utility model aims at providing a highway grand bridge deck runoff collection system, can effectively solve the problem that the grand bridge deck runoff of kilometer above was collected and exists.

The technical scheme that the utility model provides is, there is the horizontal water pipe that is linked together with the outlet on the bridge respectively, the intercommunication has the detection tube of falling trapezoidal and booster pump on the horizontal water pipe, the detection tube of falling trapezoidal comprises the outside horizontally extended water inlet end and the play water end of both ends of the top of falling trapezoidal and falling trapezoidal in the middle part, the play water end of the detection tube of falling trapezoidal and the intercommunication department of horizontal water pipe intercommunication have the straight calandria of laying downwards along the pier, there is the first butterfly valve on the straight calandria; the water outlet end of the transverse water pipe is communicated with an inverted trapezoid detection pipe, the water outlet end of the inverted trapezoid detection pipe on the water outlet end of the transverse water pipe is communicated with the water tank through a branch pipe, the branch pipe is communicated with a discharge pipe communicated with the side ditch, the discharge pipe is provided with a second butterfly valve, and a third butterfly valve is arranged on the branch pipe between the communication position of the discharge pipe and the branch pipe and the communication position of the water tank and the branch pipe; or the water outlet end of the transverse water pipe is communicated with the water tank through the collecting pipe, the collecting pipe close to the joint of the collecting pipe and the water tank is provided with the electric water pump, and the booster pump, the first butterfly valve, the second butterfly valve, the third butterfly valve and the electric water pump are all connected with the controller.

The utility model is suitable for a bridge floor runoff drainage demand of super bridge more than kilometer has improved drainage ability greatly, can in time get rid of the bridge floor ponding to the bridge floor runoff of having solved super bridge is collected and the accident leaks the protection problem.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a front view of the inverted trapezoid detecting tube of the present invention.

Fig. 3 is a front view of the structure of embodiment 2 of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in the figures 1-3, the structure of the utility model is that a bridge 4 is respectively provided with a transverse water pipe 22 communicated with a drain hole 5, the transverse water pipe is communicated with an inverted trapezoid detection pipe 7 and a booster pump 8, the inverted trapezoid detection pipe is composed of an inverted trapezoid in the middle and a water inlet end 9 and a water outlet end 10 which are horizontally extended outwards at the two ends of the top of the inverted trapezoid, the water outlet end of the inverted trapezoid detection pipe is communicated with a straight drainage pipe 11 which is arranged downwards along a pier, and the straight drainage pipe is provided with a first butterfly valve 12; the water outlet end of the transverse water pipe is communicated with an inverted trapezoid detection pipe, the water outlet tail end 10 of the inverted trapezoid detection pipe on the water outlet end of the transverse water pipe is communicated with a water tank 13 through a branch pipe 32, the branch pipe is communicated with a discharge pipe 15 communicated with the side ditch, a second butterfly valve 20 is arranged on the discharge pipe, and a third butterfly valve 21 is arranged on the branch pipe between the communication position of the discharge pipe and the branch pipe and the communication position of the water tank and the branch pipe; or the water outlet end of the transverse water pipe is communicated with the water tank through a collecting pipe 28, an electric water pump 29 is arranged on the collecting pipe close to the joint of the collecting pipe and the water tank, and the booster pump 8, the first butterfly valve 12, the second butterfly valve 20, the third butterfly valve 21 and the electric water pump 29 are all connected with the controller 1.

The controller 1 is respectively connected with the camera 3, the first sensor 6 and the second sensor, the first sensor 6 is arranged on the bridge, the second sensor is arranged in the inverted trapezoidal detection tube, and the ultrasonic flowmeter 23 connected with the controller is attached to the outer wall of the inverted trapezoidal detection tube.

The water tank 13 is a stainless steel water tank, an exhaust pipe 24 is arranged at the top of the water tank, a connecting pipe 25 is arranged in one side of the water tank, the lower end of the connecting pipe is close to the inner bottom surface of the water tank, the upper end of the connecting pipe upwards extends out of the water tank and is connected with a pipeline interface of a collecting vehicle 26, and a liquid level meter 27 connected with a controller is arranged on the inner side of the connecting pipe in the water tank.

The water inlet end and the water outlet end of the inverted trapezoidal detection tube 7 are both composed of straight tubes on the same horizontal plane, and the water outlet end of the inverted trapezoidal detection tube 7 is communicated with a vertical upward straight tube 33.

The middle inverted trapezoid of the inverted trapezoid detection tube 7 is an inverted isosceles trapezoid bent.

The inverted trapezoid detection pipes 7 are arranged at intervals along the length of the bridge, the inverted trapezoid detection pipes are communicated with each other through transverse water pipes, and the straight pipes 33 of the inverted trapezoid detection pipes are highly higher than the bridge floor.

The shape of the transverse water pipe 22 is matched with that of the bridge 4.

When the bridge is in a slope shape with one high end and the other low end, or a concave slope shape with the middle low and the two ends high, or a convex slope shape with the middle high and the two ends low, or a horizontal shape with the two ends in the same plane, the number of the booster pumps is at least two, and the water outlet tail end 10 of the inverted trapezoidal detection pipe on the water outlet end of the transverse water pipe is not connected with the straight-discharge pipe 11 any more, but is communicated with the water tank 13 through the branch pipe 32; when the bridge is in a slope shape with one higher end and the other lower end or a horizontal shape with both ends in the same plane (as shown in fig. 1), one end of the transverse water pipe 22 is a water inlet end, the other end is a water outlet end, and the booster pumps are respectively positioned on the transverse water pipe on the water inlet end of the inverted trapezoidal detection pipe close to the water inlet end of the transverse water pipe and on the transverse water pipe on the water inlet end of the inverted trapezoidal detection pipe on the water outlet end of the transverse water pipe; when the bridge is in a convex slope shape with a high middle and two low ends, the transverse water pipe 22 is in a convex arc shape with a high middle and two low ends, the middle part of the transverse water pipe 22 is a water inlet end, the two lower ends are water outlet ends, and the booster pumps are respectively positioned on the two water outlet ends of the transverse water pipe; when the bridge is in a concave slope shape with a low middle part and two high ends (as shown in figure 2), the transverse water pipe 22 is in a concave arc shape with a low middle part and two high ends, the two ends of the transverse water pipe 22 are water inlet ends, the middle part is a water outlet end, the booster pump is positioned on the transverse water pipe in the low concave part in the middle of the bridge, the middle water outlet end of the transverse water pipe is positioned in the low concave part in the middle of the bridge, the middle water outlet end of the transverse water pipe is communicated with the water tank through the collecting pipe 28, the water inlet end of the collecting pipe is provided with a fourth butterfly valve 34 connected with the controller 1, the discharge end of the collecting pipe is communicated with the water tank, and the.

The aperture of the collecting pipe 28 is smaller than that of the transverse water pipe.

The second sensors are respectively a turbidity sensor 16, a pH sensor 17, a conductivity sensor 18 and a combustible gas sensor 19, the turbidity sensor, the pH sensor and the conductivity sensor are respectively arranged in a horizontal pipe at the inverted trapezoidal bottom of the inverted trapezoidal detection pipe, and the combustible gas sensor is arranged in a straight pipe 33 at the water outlet end of the inverted trapezoidal detection pipe.

The first sensor 6 is a rain and snow sensor.

And the water outlet at the tail end of the straight-discharge pipe 11 is flush with the ground of the river channel.

The controller 1 is connected with the monitor 14 through the router 2; or the controller 1 is connected with cloud computing through the internet, and the computer terminal or the mobile phone is connected with the cloud computing through the internet.

The router 2 is a commercially available product, such as an optical fiber router, a GPRS wireless router, or an ADSL router, which is used to implement wired or wireless network connection between multiple computers.

The controller 1 is an intelligent device which takes an ATmega324P type AVR singlechip manufactured by ATMEL company as a CPU, is internally provided with control software and has the functions of sensor data signal acquisition, analysis, automatic control and network communication, and is connected with the power supply 31.

The utility model discloses an operating principle is, for adapting to super large bridge deck runoff drainage demand, in time get rid of the bridge floor ponding, the utility model discloses fall into a plurality of regions with the bridge floor, each regional supporting trapezoidal test tube and the inline that is provided with, there is first butterfly valve on the inline, the inline is laid along the pier downwards, terminal delivery port keeps level with river course ground, the inline is close to the play water end of the trapezoidal test tube that falls, the bridge floor in each trapezoidal test tube control area, the bridge floor water collection area full coverage is realized to a plurality of trapezoidal test tubes that fall, a plurality of trapezoidal test tubes share or exclusive use control host computer all can, during the exclusive use control host computer, data sharing between each host computer. When the bridge is in a slope shape with one high end and the other low end, or in a convex slope shape with a high middle and two low ends, or in a horizontal shape with two ends in the same plane, an inverted trapezoid detection pipe is arranged on the water outlet end of the transverse water pipe, the water outlet end 10 of the inverted trapezoid detection pipe is communicated with the water tank through a branch pipe, the inverted trapezoid detection pipe on the water outlet end of the transverse water pipe is used for detecting the water quality at the water outlet end of the transverse water pipe, a discharge pipe communicated with a side ditch is communicated with the branch pipe, a second butterfly valve (a normal discharge valve) is arranged on the discharge pipe, a third butterfly valve (an accident discharge valve) is arranged on the branch pipe between the communication part of the discharge pipe and the branch pipe and the water tank, the second butterfly valve (the normal discharge valve) is closed in an accident discharge mode, the third butterfly valve (the accident discharge.

When the bridge is in a slope shape with one high end and the other low end, or in a convex slope shape with a high middle and two low ends, or in a horizontal shape with two ends in the same plane, when normal bridge deck runoff is drained, the first butterfly valve and the second butterfly valve on the straight drainage pipe are opened, the bridge deck runoff in the transverse water pipe at the water inlet end of the inverted trapezoidal detection pipe close to the straight drainage pipe is drained from the first butterfly valve and the second butterfly valve, the pipeline drainage capacity is increased, and the bridge deck runoff in the water outlet end of the inverted trapezoidal detection pipe at the water outlet end of the transverse water pipe is drained into the side ditch through the drainage pipe. When the accident leakage is detected, the controller controls the first butterfly valve and the second butterfly valve on the straight discharge pipe to be closed, and the system is switched to an accident leakage collection mode. When the bridge is the concave slope shape of middle low both ends height, when excreting normal bridge floor runoff, open the first butterfly valve on the inline, the bridge floor runoff in the horizontal water pipe of the water inlet department of the trapezoidal test tube that falls that is close to the inline is discharged from this, has increased the pipeline ability of excreting, and when detecting the accident leakage, the first butterfly valve on the controller control inline is closed, opens fourth butterfly valve 34 and electric water pump, and the system switches into the accident leakage and collects the mode.

When the bridge is in a slope shape with one high end and the other low end or a horizontal shape with two ends in the same plane, the booster pump is respectively positioned on the transverse water pipe close to the upstream of the water inlet end of the inverted trapezoidal detection pipe at the water inlet end of the transverse water pipe and on the transverse water pipe at the upstream of the water inlet end of the inverted trapezoidal detection pipe at the water outlet end of the transverse water pipe; when the bridge is in a convex slope shape with a high middle part and two low ends, the booster pumps are respectively positioned at the upper streams of the two water outlet ends of the transverse water pipe; when the bridge is in a concave slope shape with a low middle part and high two ends (as shown in figure 2), the booster pump is positioned on the transverse water pipe at the low concave part in the middle of the bridge, and when water flows exist in the transverse water pipe, the booster pump is started, and the booster pump is installed, so that the drainage speed is increased in the collection system, and the drainage capacity of the system is increased.

When the bridge is in a concave slope shape with a low middle and high two ends (as shown in figure 2), the two ends of the transverse water pipe 22 are water inlet ends, the middle is water outlet end, the middle water outlet end of the transverse water pipe is positioned at the low concave position in the middle of the bridge, the middle water outlet end of the transverse water pipe is communicated with the water tank through the collecting pipe 28, the water inlet end of the collecting pipe is provided with a fourth butterfly valve 34 connected with the controller 1, the discharge end of the collecting pipe is communicated with the water tank, the collecting pipe between the electric water pump and the water tank is provided with a one-way valve 30, and after accident leakage occurs, the electric water pump is started to pump the accident leakage into the stainless.

The utility model discloses compare with current bridge floor runoff collection system, the advantage as follows:

(1) the direct vent has been increased, the first butterfly valve of installation on the direct vent, the regional supporting trapezoidal test tube that is provided with of bridge floor at direct vent place, the first butterfly valve on the direct vent when quality of water is normal is opened, and the bridge floor runoff is directly arranged, when detecting the accidental leakage, first butterfly valve is closed.

(2) The booster pump is added, and the drainage capacity of the system is improved.

(3) The stainless steel water tank is adopted to replace an accident leakage collecting pool with a steel-concrete structure, so that the anti-corrosion and anti-seepage performance is better.

(4) For the bridge with the middle low and two high ends, the discharge end of the collecting pipe is communicated with the water tank, an electric water pump connected with the controller is arranged on the collecting pipe close to the joint of the collecting pipe and the water tank, a one-way valve is arranged on the collecting pipe between the electric water pump and the water tank, the accident leakage is pumped into the stainless steel water tank by adopting an active suction mode, and the problem that the installation of an original accident leakage collecting box is limited by the terrain of the bridge is avoided.

(5) The detection tube is improved, the detection tube is changed into an inverted trapezoid from a U-shaped detection tube, the resistance of pipeline water flow is reduced, drainage is facilitated, and the drainage effect is far higher than that of the U-shaped detection tube through testing.

The utility model discloses collecting and the accident leakage protection problem to the bridge floor runoff of especially big bridge, using sensor and butterfly valve automatic control technique, rational design system component module and control flow have solved the accident and have leaked the limited problem of collecting pit/case installation, can effectively take precautions against the emergence of preventing the pollution accident, promote highway safe operation level.

Claims

1. A highway extra-large bridge deck runoff collecting system is characterized in that a bridge (4) is provided with a transverse water pipe (22) communicated with a drain hole (5), the transverse water pipe is communicated with an inverted trapezoid detection pipe (7) and a booster pump (8), the inverted trapezoid detection pipe is composed of a water inlet end (9) and a water outlet end (10), the two ends of the top of the inverted trapezoid and the top of the inverted trapezoid at the middle part extend outwards and horizontally, the communication position of the water outlet end of the inverted trapezoid detection pipe and the transverse water pipe is communicated with a straight pipe (11) arranged downwards along a pier, and the straight pipe is provided with a first butterfly valve (12); the water outlet end of the transverse water pipe is communicated with an inverted trapezoid detection pipe, the water outlet end (10) of the inverted trapezoid detection pipe on the water outlet end of the transverse water pipe is communicated with a water tank (13) through a branch pipe (32), the branch pipe is communicated with a discharge pipe (15) communicated with the side ditch, the discharge pipe is provided with a second butterfly valve (20), and the branch pipe between the communication position of the discharge pipe and the branch pipe and the communication position of the water tank and the branch pipe is provided with a third butterfly valve (21); or the water outlet end of the transverse water pipe is communicated with the water tank through a collecting pipe (28), an electric water pump (29) is arranged on the collecting pipe close to the joint of the collecting pipe and the water tank, and the booster pump (8), the first butterfly valve (12), the second butterfly valve (20), the third butterfly valve (21) and the electric water pump (29) are all connected with the controller (1).

2. The system for collecting runoff on the bridge floor of the highway grand bridge according to claim 1, wherein the controller (1) is respectively connected with the camera (3), the first sensor (6) and the second sensor, the first sensor (6) is arranged on the bridge, the second sensor is arranged in the inverted trapezoid detection pipe, and the ultrasonic flowmeter (23) connected with the controller is attached to the outer wall of the inverted trapezoid detection pipe.

3. The system for collecting runoff on the bridge floor of a road grand bridge according to claim 1, wherein the water tank (13) is a stainless steel water tank, the top of the water tank is provided with an exhaust pipe (24), one side of the water tank is provided with a connecting pipe (25), the lower end of the connecting pipe is close to the inner bottom surface of the water tank, the upper end of the connecting pipe extends upwards out of the water tank and is connected with a pipeline connector of a collecting vehicle (26), and the inner side of the connecting pipe in the water tank is provided with a liquid level meter (27) connected with a controller.

4. The system for collecting runoff on the bridge floor of a road grand bridge according to claim 2, characterized in that the water inlet end and the water outlet end of the inverted trapezoidal detection pipe (7) are both formed by straight pipes on the same horizontal plane, and the water outlet end of the inverted trapezoidal detection pipe (7) is communicated with a straight pipe (33) which is vertically upward.

5. The system for collecting runoff from the bridge floor of a road grand bridge according to claim 1, characterized in that the inverted trapezoid-shaped detection tube (7) has an inverted isosceles trapezoid-shaped middle portion.

6. The bridge deck runoff collecting system of the highway grand bridge according to claim 4, wherein the inverted trapezoid-shaped detecting pipes (7) are arranged at intervals along the length of the bridge, the inverted trapezoid-shaped detecting pipes are communicated with each other through transverse water pipes, and the straight pipes (33) of the inverted trapezoid-shaped detecting pipes are higher than the bridge deck.

7. A road bridge deck runoff collection system according to claim 1 wherein the transverse water pipes (22) are shaped to correspond to the shape of the bridge beam (4).

8. The system for collecting runoff on the bridge floor of a road grand bridge according to claim 7, characterized in that the bridge (4) is in a slope shape with one high end and the other low end, or in a concave slope shape with a low middle and two high ends, or in a convex slope shape with a high middle and two low ends, or in a horizontal shape with two ends in the same plane, when the bridge is in a slope shape with one high end and the other low middle and two low ends, or in a horizontal shape with two ends in the same plane, the booster pump has at least two, and the water outlet end (10) of the inverted trapezoid detection pipe on the water outlet end of the transverse water pipe is communicated with the water tank (13) through the branch pipe (32); when the bridge is in a slope shape with one higher end and the other lower end or a horizontal shape with two ends in the same plane, one end of the transverse water pipe (22) is a water inlet end, the other end of the transverse water pipe is a water outlet end, and the booster pumps are respectively positioned on the transverse water pipe on the water inlet end of the inverted trapezoidal detection pipe close to the water inlet end of the transverse water pipe and the transverse water pipe on the water inlet end of the inverted trapezoidal detection pipe on the water outlet end of the transverse water pipe; when the bridge is in a convex slope shape with a high middle and two low ends, the transverse water pipe (22) is in a convex arc shape with a high middle and two low ends, the middle part of the transverse water pipe (22) is a water inlet end, the two lower ends are water outlet ends, and the booster pumps are respectively positioned on the two water outlet ends of the transverse water pipe; when the bridge is in a concave slope shape with a low middle part and two high ends, the transverse water pipe (22) is in a concave arc shape with a low middle part and two high ends, two ends of the transverse water pipe (22) are water inlet ends, the middle part is a water outlet end, the booster pump is positioned on the transverse water pipe in the low concave part in the middle of the bridge, the middle water outlet end of the transverse water pipe is positioned in the low concave part in the middle of the bridge, the middle water outlet end of the transverse water pipe is communicated with the water tank through the collecting pipe (28), the water inlet end of the collecting pipe is provided with a fourth butterfly valve (34) connected with the controller (1), the discharge end of the collecting pipe is communicated with the water tank, and the collecting pipe.

9. A road bridge deck runoff collection system according to claim 1 wherein the collection pipe (28) has a smaller diameter than the transverse water pipe; the water outlet at the tail end of the straight-discharge pipe (11) is flush with the ground of the river channel.

10. The system for collecting runoff on the bridge floor of the road grand bridge according to claim 4, wherein the second sensors are respectively a turbidity sensor (16), a pH sensor (17), a conductivity sensor (18) and a combustible gas sensor (19), the turbidity sensor, the pH sensor and the conductivity sensor are respectively arranged in a horizontal pipe at the inverted trapezoidal bottom of the inverted trapezoidal detection pipe, and the combustible gas sensor is arranged in a straight pipe (33) at the water outlet end of the inverted trapezoidal detection pipe; the first sensor (6) is a rain and snow sensor; the controller (1) is connected with the monitor (14) through the router (2); or the controller (1) is connected with cloud computing through the Internet, and the computer terminal or the mobile phone is connected with the cloud computing through the Internet; the controller is connected with a power supply (31).