CN114279530A

CN114279530A - Device and method for detecting regional accumulated water of expressway

Info

Publication number: CN114279530A
Application number: CN202111618991.6A
Authority: CN
Inventors: 伍伟斌; 李彤; 甘志坚
Original assignee: Jiangxi Vocational and Technical College of Communication
Current assignee: Jiangxi Vocational and Technical College of Communication
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-04-05

Abstract

The invention discloses a device and a method for detecting regional accumulated water of a highway, which relate to the field of road detection and comprise the following steps: a balustrade located at a road edge; the mounting seat is fixed on the outer wall of the railing; the sleeve is positioned inside the mounting seat and penetrates to the outside of the mounting seat; and the early warning mechanism is fixed at the bottom end of the sleeve. According to the invention, by arranging the early warning mechanism, when vehicles pass through a road, if a large amount of accumulated water exists on the road surface, the accumulated water can splash into the water collecting block under the impact force of tires, the floating ball can float under the action of the accumulated water, the floating ball moves to drive the telescopic rod to move until one end of the telescopic rod is contacted with the top end of the ejector rod, at the moment, the ejector rod drives the first conductive block to be contacted with the second conductive block under the action of the telescopic rod, the first conductive block is electrically connected with the storage battery through the second conductive block, so that an electric signal is transmitted to the detection terminal, and the purpose of prompting a worker that the road has the accumulated water is achieved.

Description

Device and method for detecting regional accumulated water of expressway

Technical Field

The invention relates to the field of road detection, in particular to a device and a method for detecting regional accumulated water of a highway.

Background

The highway, called highway for short, is a highway specially used for automobiles to run at high speed, rainfall ponding can cause great influence on road safety, at present, the road ponding is generally reported by manual monitoring, namely, manual on-site observation is carried out when the flood season begins, and the method is more traditional and consumes a large amount of manpower and material resources.

However, the existing road accumulated water cannot be monitored and warned in real time, accumulated water accumulated for a long time can cause dust to accumulate, and accordingly, the phenomena of skidding and the like of tires of vehicles running on a road are caused, and risks are brought to road safety.

Disclosure of Invention

The invention aims to: in order to solve the problem that the existing highway is inconvenient to supervise accumulated water in real time, a device and a method for detecting regional accumulated water of the highway are provided.

In order to achieve the purpose, the invention provides the following technical scheme: detect regional ponding's of highway device includes:

a balustrade located at a road edge;

the mounting seat is fixed on the outer wall of the railing;

the sleeve is positioned inside the mounting seat and penetrates to the outside of the mounting seat;

the early warning mechanism is fixed at the bottom end of the sleeve, penetrates into the sleeve and is used for detecting the accumulated water on the road surface of the section of the highway;

the protection mechanism is arranged outside the sleeve and penetrates into the sleeve, and is used for protecting the early warning mechanism to avoid the phenomenon of false alarm in rainy days;

and the drainage mechanism is connected to the outside of the early warning mechanism and is positioned in the sleeve, and is used for draining accumulated water in the early warning mechanism.

As a still further scheme of the invention: protection machanism is inside just running through to the outside press lever of sleeve including being located sleeve one end, the one end of pressing the press lever is connected with water storage basin, the outer wall of pressing the press lever is located the solid fixed ring of telescopic inside fixedly connected with, gu fixed ring's outer wall meshing has first gear, the outer wall meshing of first gear has the second gear, the outer wall meshing of second gear has the rack, the outer wall connection of rack has the connecting rod that runs through to the sleeve inner wall, the one end of connecting rod runs through to sleeve external connection has the lag, the bottom of water storage basin is connected with the locating lever, the outer wall connection of locating lever has the spring.

As a still further scheme of the invention: the early warning mechanism is including being located the connecting rod that sleeve one end is connected, the one end of connecting rod is connected with the piece that catchments, the inside of piece that catchments is provided with the floater, the top of floater is connected with and runs through to the telescopic link of sleeve inside, the top of telescopic link is provided with the ejector pin, the one end of ejector pin is connected with first conducting block, the one end of first conducting block is connected with the second conducting block, the top of second conducting block is provided with the battery.

As a still further scheme of the invention: drainage mechanism is including telescopic link, infrared inductor, magnetism piece of inhaling, the telescopic link is located the piece that catchments inside and runs through to the piece outside that catchments, infrared inductor is located telescopic inside and is located one side of telescopic link, magnetism is inhaled the outside that the piece is located the top of telescopic link, ejector pin, the one end of telescopic link articulates there is first movable rod, the one end of first movable rod articulates there is the second movable rod.

As a still further scheme of the invention: one end of the infrared inductor is electrically connected with the storage battery through a wire, the outer wall of the telescopic rod is in an L-shaped state, the magnetic suction block is electrically connected with the infrared inductor through a PLC, and one end of the second conductive block is electrically connected with the storage battery through a wire.

As a still further scheme of the invention: the telescopic rod is provided with the sealing washer with the position department that catchments the piece and contact, the inside of catchmenting the piece is provided with and moves the spout of orbit assorted with the telescopic rod.

As a still further scheme of the invention: the inner part of the sleeve is provided with a groove matched with the moving track of the ejector rod, the number of the connecting rods is four, and the four connecting rods are uniformly distributed at the top end of the water collection block and are fixedly connected with the sleeve.

As a still further scheme of the invention: the protecting sleeve is characterized in that a plurality of fixing rings are arranged, the fixing rings are uniformly arranged on the outer wall of the water storage basin, a groove matched with the moving track of the positioning rod is formed in the water storage basin, a sliding groove matched with the moving track of the connecting rod is formed in the sleeve, and the cross section of the protecting sleeve is of a concave structure.

The method for detecting regional ponding of the expressway comprises the following steps:

s1, firstly, the device is arranged on the outer wall of the railing;

s2, when a vehicle passes through, accumulated water splashes into the water collection block, the floating ball floats to drive the telescopic rod to move, the telescopic rod moves to block an infrared signal of the infrared sensor, the magnetic attraction block magnetically attracts the telescopic rod at the moment, the ejector rod, the first conductive block and the second conductive block are in contact, and the electric signal is transmitted to the detection terminal to remind a worker that the road at the section has the accumulated water;

s3, the telescopic rod, the first movable rod and the second movable rod move under the action of the telescopic rod, accumulated water in the water collection block is discharged due to the movement of the telescopic rod, and the manual drainage process of workers is reduced;

s4, when meeting the heavy rain weather condition, the inside a large amount of ponding of accumulating of water storage basin, the water storage basin dead weight increases and drives and presses the depression bar, solid fixed ring downstream, and gives spring pressure, first gear, second gear will rotate under solid fixed ring' S effect, make rack, connecting rod, lag downstream, the lag will cover in the outside of catchment piece, protect catchment piece outer wall, prevent when heavy rain weather, a large amount of misinformation appear.

Compared with the prior art, the invention has the beneficial effects that:

1. by arranging the protection mechanism, when the rainwater is in a rainy day, a large amount of accumulated water is accumulated in the water storage basin, the technology in the water storage basin gradually flows out through small holes in the water storage basin, when the outflow speed is lower than the accumulation speed, the water storage basin drives the pressing rod under the action of gravity, the fixing ring moves downwards, the water storage basin gives pressure to the spring, the fixing ring drives the first gear and the second gear to rotate, the second gear rotates to give thrust to the rack, the rack drives the connecting rod and the protecting sleeve to move, the protecting sleeve covers the outside of the water collecting block, rainwater is prevented from entering, when the rainwater stops, water in the water storage basin gradually flows out through the fine holes, the protecting sleeve is driven to return to the original position under the action of the spring, and the purpose of protecting the water collecting block is achieved;

2. by arranging the early warning mechanism, when vehicles pass through a road, if a large amount of accumulated water exists on the road surface, the accumulated water can splash into the water collecting block under the impact force of tires, the floating ball can float under the action of the accumulated water, the floating ball moves to drive the telescopic rod to move until one end of the telescopic rod is contacted with the top end of the ejector rod, the ejector rod drives the first conductive block to be contacted with the second conductive block under the action of the telescopic rod, the first conductive block is electrically connected with the storage battery through the second conductive block, so that an electric signal is transmitted to the detection terminal, and the purpose of prompting the workers that the accumulated water exists on the road is achieved;

3. through setting up drainage mechanism, when the telescopic link activity, the second movable rod of telescopic link outer wall also will the rebound, the one end of second movable rod will give first movable rod one end pulling force, until the telescopic link passes through infrared inductor, the infrared signal that infrared inductor sent will be cut off, inhale the piece circular telegram with magnetism through the PLC controller, it will attract the telescopic link to inhale the piece work and remove to inhale the telescopic link, the telescopic link will drive the floater under suction, the telescopic link, first movable rod, the second movable rod rebound, the telescopic link will get into the inside of catchment piece, make the inside ponding of catchment piece flow out, until inhale the piece interval one end time outage under the effect of PLC controller of magnetism, so the telescopic link, the floater will be at the telescopic link, first movable rod, the home position is returned under the action of gravity of second movable rod, the ponding to the inside of catchment piece has reached and has carried out the purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sleeve structure of the present invention;

FIG. 3 is a schematic view of a water storage basin of the present invention;

FIG. 4 is a cross-sectional view of the internal structure of the test tip of the present invention;

FIG. 5 is a cross-sectional view of the internal structure of the sleeve of the present invention;

FIG. 6 is an enlarged view of a portion of the present invention at A;

FIG. 7 is an enlarged view of a portion of the present invention at B;

fig. 8 is a partial enlarged view of the present invention at C.

In the figure: 1. a railing; 2. a mounting seat; 3. a sleeve; 4. a protection mechanism; 401. a pressing lever; 402. a water storage basin; 403. a fixing ring; 404. a first gear; 405. a second gear; 406. a rack; 407. a connecting rod; 408. positioning a rod; 409. a spring; 410. a protective sleeve; 5. an early warning mechanism; 501. a water collection block; 502. a connecting rod; 503. a floating ball; 504. a telescopic rod; 505. a top rod; 506. a first conductive block; 507. a second conductive block; 508. a storage battery; 6. a drainage mechanism; 601. sealing the baffle; 602. a first movable bar; 603. a second movable bar; 604. an infrared sensor; 605. and (6) magnetically attracting the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 8, in an embodiment of the present invention, an apparatus for detecting regional accumulated water on a highway includes:

a balustrade 1 located at the edge of the road;

the mounting base 2 is fixed on the outer wall of the railing 1;

the sleeve 3 is positioned inside the mounting seat 2 and penetrates to the outside of the mounting seat 2;

the early warning mechanism 5 is fixed at the bottom end of the sleeve 3, penetrates into the sleeve 3 and is used for detecting accumulated water on the road surface of the section of the road;

the protection mechanism 4 is arranged outside the sleeve 3 and penetrates into the sleeve 3, and is used for protecting the early warning mechanism 5 to avoid the false alarm phenomenon in rainy days;

and the drainage mechanism 6 is connected to the outside of the early warning mechanism 5 and positioned inside the sleeve 3 and used for draining accumulated water inside the early warning mechanism 5.

Please refer to fig. 5-6, the protection mechanism 4 includes a pressing rod 401 located inside one end of the sleeve 3 and penetrating to the outside of the sleeve 3, one end of the pressing rod 401 is connected with a water storage basin 402, an outer wall of the pressing rod 401 is located inside the sleeve 3 and fixedly connected with a fixing ring 403, an outer wall of the fixing ring 403 is engaged with a first gear 404, an outer wall of the first gear 404 is engaged with a second gear 405, an outer wall of the second gear 405 is engaged with a rack 406, an outer wall of the rack 406 is connected with a connecting rod 407 penetrating to the inner wall of the sleeve 3, one end of the connecting rod 407 penetrates to the outside of the sleeve 3 and is connected with a protection sleeve 410, a bottom end of the water storage basin 402 is connected with a positioning rod 408, an outer wall of the positioning rod 408 is connected with a spring 409, and the water collection block 501 can be protected by the structure.

Please refer to fig. 3-8, the early warning mechanism 5 includes a connecting rod 502 connected to one end of the sleeve 3, one end of the connecting rod 502 is connected to a water collecting block 501, a floating ball 503 is disposed inside the water collecting block 501, a top end of the floating ball 503 is connected to a telescopic rod 504 penetrating into the sleeve 3, a top rod 505 is disposed above the telescopic rod 504, one end of the top rod 505 is connected to a first conductive block 506, one end of the first conductive block 506 is connected to a second conductive block 507, and a storage battery 508 is disposed above the second conductive block 507.

Referring to fig. 4-6, the drainage mechanism 6 includes a telescopic rod 601, an infrared sensor 604, and a magnetic attraction block 605, the telescopic rod 601 is located inside the water collection block 501 and penetrates to the outside of the water collection block 501, the infrared sensor 604 is located inside the sleeve 3 and is located at one side of the telescopic rod 504, the magnetic attraction block 605 is located above the telescopic rod 504 and outside the top rod 505, one end of the telescopic rod 601 is hinged to a first movable rod 602, one end of the first movable rod 602 is hinged to a second movable rod 603, and the structure can drain accumulated water inside the water collection block 501.

Please refer to fig. 8, one end of the infrared sensor 604 is electrically connected to the battery 508 through a wire, the outer wall of the telescopic rod 601 is in an "L" shape, the magnetic attraction block 605 is electrically connected to the infrared sensor 604 through the PLC controller, one end of the second conductive block 507 is electrically connected to the battery 508 through a wire, and through the structure, when the second conductive block 507 and the first conductive block 506 are in contact, the electrical signal can be transmitted to the detection terminal.

Please refer to fig. 8, a sealing ring is disposed at a position where the telescopic rod 601 contacts the water collecting block 501, and a sliding groove matched with a moving track of the telescopic rod 601 is disposed inside the water collecting block 501, so that the accumulated water is not easy to flow out of the water collecting block 501 through the telescopic rod 601.

Please refer to fig. 7, a groove matched with the moving track of the mandrel 505 is disposed inside the sleeve 3, the number of the connecting rods 502 is four, the four connecting rods 502 are uniformly distributed at the top end of the water collecting block 501 and fixedly connected with the sleeve 3, and the structure can enable accumulated water to enter the water collecting block 501 through the gaps of the connecting rods 502.

Please refer to fig. 5-6, the number of the fixing rings 403 is plural, the fixing rings 403 are uniformly arranged on the outer wall of the water storage basin 402, the inside of the water storage basin 402 is provided with a groove matched with the moving track of the positioning rod 408, the inside of the sleeve 3 is provided with a sliding groove matched with the moving track of the connecting rod 407, the cross section of the protecting sleeve 410 is of a concave structure, and the protecting sleeve 410 can be covered outside the water collecting block 501 through the structure.

s1, the device is firstly installed on the outer wall of the railing 1;

s2, when a vehicle passes by, accumulated water splashes into the water collecting block 501, the floating ball 503 floats to drive the telescopic rod 504 to move, the telescopic rod 504 moves to block an infrared signal of the infrared sensor 604, the magnetic attraction block 605 magnetically attracts the telescopic rod 504 at the moment, the ejector rod 505, the first conductive block 506 and the second conductive block 507 are in contact, and the electric signal is transmitted to the detection terminal to remind a worker that the road is provided with the accumulated water;

s3, the telescopic rod 601, the first movable rod 602 and the second movable rod 603 move under the action of the telescopic rod 504, accumulated water in the water collection block 501 is discharged due to the movement of the telescopic rod 601, and the manual drainage process of workers is reduced;

s4, when heavy rain weather conditions are met, a large amount of accumulated water is accumulated inside the water storage basin 402, the dead weight of the water storage basin 402 is increased to drive the pressing rod 401 and the fixing ring 403 to move downwards, the pressure of the spring 409 is given, the first gear 404 and the second gear 405 rotate under the action of the fixing ring 403, the rack 406, the connecting rod 407 and the protecting sleeve 410 move downwards, the protecting sleeve 410 covers the outside of the water collecting block 501, the outer wall of the water collecting block 501 is protected, and a large amount of false alarms are prevented from occurring in heavy rain weather.

The working principle of the invention is as follows: when the device is used, when a vehicle passes through a road, such as a large amount of accumulated water exists on the road surface, the accumulated water splashes into the water collecting block 501 under the impact force of tires, the floating ball 503 floats under the action of the accumulated water, the floating ball 503 moves to drive the telescopic rod 504 to move until one end of the telescopic rod 504 is in contact with the top end of the ejector rod 505, the ejector rod 505 drives the first conductive block 506 to be in contact with the second conductive block 507 under the action of the telescopic rod 504, the first conductive block 506 is electrically connected with the storage battery 508 through the second conductive block 507, so that an electric signal is transmitted to a detection terminal, the purpose of prompting a worker that the road has accumulated water is achieved, the working efficiency is improved, when the telescopic rod 504 moves, the second movable rod 603 on the outer wall of the telescopic rod 504 also moves upwards, one end of the second movable rod 603 gives a tensile force to one end of the first movable rod 602 until the telescopic rod 504 passes through the infrared sensor 604, an infrared signal sent by an infrared sensor 604 is cut off, a magnetic suction block 605 is electrified through a PLC (programmable logic controller), the magnetic suction block 605 is operated to attract a telescopic rod 504 to move, the telescopic rod 504 drives a floating ball 503, a telescopic rod 601, a first movable rod 602 and a second movable rod 603 to move upwards under the action of suction force, the telescopic rod 601 enters the inside of a water collection block 501 to enable accumulated water in the water collection block 501 to flow out until the magnetic suction block 605 is powered off at intervals under the action of the PLC, then the telescopic rod 504 and the floating ball 503 return to the original position under the action of gravity of the telescopic rod 601, the first movable rod 602 and the second movable rod 603 to achieve the purpose of discharging the accumulated water in the water collection block 501, when the rain occurs, a large amount of accumulated water is accumulated in a water storage basin 402, the technology in the water storage basin 402 gradually flows out through small holes in the water storage basin 402, and when the outflow speed is lower than the accumulation speed, the water storage basin 402 drives the pressing rod 401 and the fixing ring 403 to move downwards under the action of gravity, the water storage basin 402 applies pressure to the spring 409, the fixing ring 403 drives the first gear 404 and the second gear 405 to rotate, the second gear 405 rotates to apply thrust to the rack 406, the rack 406 drives the connecting rod 407 and the protecting sleeve 410 to move, the protecting sleeve 410 covers the outside of the water collection block 501 to prevent rainwater from entering, when the rainwater stops, water in the water storage basin 402 gradually flows out through the fine holes, the protecting sleeve 410 is driven to return to the original position under the action of the spring 409, and the purpose of protecting the water collection block 501 is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. Detect device of regional ponding of highway, its characterized in that includes:

a railing (1) located at the edge of the road;

the mounting base (2) is fixed on the outer wall of the railing (1);

the sleeve (3) is positioned inside the mounting seat (2) and penetrates to the outside of the mounting seat (2);

the early warning mechanism (5) is fixed at the bottom end of the sleeve (3), penetrates into the sleeve (3) and is used for detecting accumulated water on the road surface of the section of the highway;

the protection mechanism (4) is arranged outside the sleeve (3) and penetrates into the sleeve (3) and is used for protecting the early warning mechanism (5) and avoiding the phenomenon of false alarm in rainy days;

and the drainage mechanism (6) is connected to the outside of the early warning mechanism (5), is positioned in the sleeve (3), and is used for draining accumulated water in the early warning mechanism (5).

2. The device for detecting regional ponding of a highway according to claim 1, wherein the protection mechanism (4) comprises a pressing rod (401) which is positioned inside one end of the sleeve (3) and penetrates to the outside of the sleeve (3), one end of the pressing rod (401) is connected with the water storage basin (402), the outer wall of the pressing rod (401) is positioned inside the sleeve (3) and is fixedly connected with a fixing ring (403), the outer wall of the fixing ring (403) is meshed with a first gear (404), the outer wall of the first gear (404) is meshed with a second gear (405), the outer wall of the second gear (405) is meshed with a rack (406), the outer wall of the rack (406) is connected with a connecting rod (407) which penetrates to the inner wall of the sleeve (3), one end of the connecting rod (407) penetrates to the outside of the sleeve (3) and is connected with a protective sleeve (410), and the bottom end of the water storage basin (402) is connected with a positioning rod (408), the outer wall of the positioning rod (408) is connected with a spring (409).

3. The device for detecting regional ponding of highway according to claim 1, characterized in that early warning mechanism (5) is including being located connecting rod (502) that sleeve (3) one end is connected, the one end of connecting rod (502) is connected with catchment piece (501), the inside of catchment piece (501) is provided with floater (503), the top of floater (503) is connected with runs through to the inside telescopic link (504) of sleeve (3), the top of telescopic link (504) is provided with ejector pin (505), the one end of ejector pin (505) is connected with first conductive block (506), the one end of first conductive block (506) is connected with second conductive block (507), the top of second conductive block (507) is provided with battery (508).

4. The device for detecting regional ponding of a highway according to claim 3, wherein the drainage mechanism (6) comprises a telescopic rod (601), an infrared sensor (604) and a magnetic attraction block (605), the telescopic rod (601) is positioned inside the water collection block (501) and penetrates to the outside of the water collection block (501), the infrared sensor (604) is positioned inside the sleeve (3) and on one side of the telescopic rod (504), the magnetic attraction block (605) is positioned above the telescopic rod (504) and outside the top rod (505), one end of the telescopic rod (601) is hinged to a first movable rod (602), and one end of the first movable rod (602) is hinged to a second movable rod (603).

5. The device for detecting regional ponding of a highway of claim 4, wherein one end of the infrared sensor (604) is electrically connected with the storage battery (508) through a lead, the outer wall of the telescopic rod (601) is in an L-shaped state, the magnetic attraction block (605) is electrically connected with the infrared sensor (604) through a PLC (programmable logic controller), and one end of the second conductive block (507) is electrically connected with the storage battery (508) through a lead.

6. The device for detecting regional ponding of a highway according to claim 4, wherein a sealing ring is arranged at the position where the telescopic rod (601) is in contact with the water collection block (501), and a sliding groove matched with the moving track of the telescopic rod (601) is arranged inside the water collection block (501).

7. The device for detecting regional ponding of a highway according to claim 3, wherein the sleeve (3) is internally provided with a groove matched with the moving track of the mandril (505), the number of the connecting rods (502) is four, and the four connecting rods (502) are uniformly distributed at the top end of the water collection block (501) and are fixedly connected with the sleeve (3).

8. The device for detecting regional ponding of a highway according to claim 2, wherein a plurality of fixing rings (403) are arranged, the fixing rings (403) are uniformly arranged on the outer wall of the water storage basin (402), a groove matched with the moving track of the positioning rod (408) is formed in the water storage basin (402), a sliding groove matched with the moving track of the connecting rod (407) is formed in the sleeve (3), and the cross section of the protective sleeve (410) is of a concave structure.

9. The method for detecting regional ponding of the expressway comprises the following steps:

s1, the device is firstly installed on the outer wall of the railing (1);

s2, when a vehicle passes by, accumulated water splashes into the water collecting block (501), the floating ball (503) floats to drive the telescopic rod (504) to move, the telescopic rod (504) moves to block an infrared signal of the infrared sensor (604), the magnetic attraction block (605) magnetically attracts the telescopic rod (504), the ejector rod (505), the first conductive block (506) and the second conductive block (507) are in contact, and the detection terminal transmits an electric signal to remind a worker that the road is provided with the accumulated water;

s3, the telescopic rod (601), the first movable rod (602) and the second movable rod (603) move under the action of the telescopic rod (504), accumulated water in the water collection block (501) is discharged due to the movement of the telescopic rod (601), and the manual drainage process of workers is reduced;

s4, when meeting heavy rain weather condition, a large amount of ponding will be accumulated in water storage basin (402), water storage basin (402) dead weight increases and drives press rod (401), solid fixed ring (403) move down, and give spring (409) pressure, first gear (404), second gear (405) will rotate under solid fixed ring (403) effect, make rack (406), connecting rod (407), lag (410) move down, lag (410) will cover the outside at catchment piece (501), protect catchment piece (501) outer wall, prevent when heavy rain weather, a large amount of false positives appear.