CN114279530A - Device and method for detecting regional stagnant water on expressway - Google Patents

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 stagnant water on expressway

technical field

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

Background technique

Expressways, referred to as highways for short, refer to highways specially designed for high-speed driving of vehicles. Rainfall and water accumulation will have a great impact on road safety. At present, road water accumulation is generally reported by manual monitoring, that is, artificial on-site observation at the beginning of the flood season. This method is more traditional and consumes a lot of manpower and material resources.

However, it is impossible to monitor and warn the road water in real time now, and the accumulated water for a long time will cause dust accumulation, which will cause the tires of vehicles driving on the road to skid and other phenomena, which will bring risks to road safety. Therefore, the present invention proposes a A device and method for detecting regional stagnant water on expressways.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device and method for detecting regional stagnant water on expressways in order to solve the problem of inconvenient real-time monitoring of stagnant water on existing highways.

In order to achieve the above object, the present invention provides the following technical solutions: a device for detecting regional stagnant water on expressways, including:

railings at the edge of the road;

Mounting seat, fixed on the outer wall of the railing;

a sleeve, located inside the mount and penetrating to the outside of the mount;

The early warning mechanism is fixed at the bottom end of the sleeve and penetrates to the inside of the sleeve for detecting the surface water of this section of the road;

The protection mechanism is arranged on the outside of the sleeve and penetrates into the inside of the sleeve to protect the early warning mechanism to avoid false alarms in rainy days;

The drainage mechanism is connected to the outside of the early warning mechanism and located inside the sleeve, and is used for draining the accumulated water inside the early warning mechanism.

As a further solution of the present invention: the protection mechanism includes a pressing rod located inside one end of the sleeve and penetrating to the outside of the sleeve, one end of the pressing rod is connected with a water storage basin, and the outer wall of the pressing rod is located in the sleeve. A fixed ring is fixedly connected to the inside of the fixed ring, the outer wall of the fixed ring is meshed with a first gear, the outer wall of the first gear is meshed with a second gear, the outer wall of the second gear is meshed with a rack, and the outer wall of the first gear is meshed with a rack. The outer wall is connected with a connecting rod that penetrates to the inner wall of the sleeve, one end of the connecting rod penetrates to the outside of the sleeve and is connected with a protective sleeve, the bottom end of the water storage basin is connected with a positioning rod, and the outer wall of the positioning rod is connected with a spring .

As a further solution of the present invention: the early warning mechanism includes a connecting rod connected at one end of the sleeve, one end of the connecting rod is connected with a water collecting block, a floating ball is arranged inside the water collecting block, and the floating ball is arranged inside the water collecting block. The top of the ball is connected with a telescopic rod that penetrates into the sleeve, a top rod is arranged above the telescopic rod, one end of the top rod is connected with a first conductive block, and one end of the first conductive block is connected with a second conductive block. A conductive block is provided above the second conductive block with a battery.

As a further solution of the present invention: the drainage mechanism includes a telescopic rod, an infrared sensor and a magnetic suction block, the telescopic rod is located inside the water collecting block and penetrates to the outside of the water collecting block, and the infrared sensor is located in the sleeve inside and on one side of the telescopic rod, the magnetic block is located above the telescopic rod and outside the top rod, one end of the telescopic rod is hinged with a first movable rod, and one end of the first movable rod is hinged with a first movable rod. Two active rods.

As a further solution of the present invention: one end of the infrared sensor is electrically connected to the battery through a wire, the outer wall of the telescopic rod is in an "L" shape, and the magnetic block is electrically connected to the infrared sensor through a PLC controller. One end of the second conductive block is electrically connected to the battery through a wire.

As a further solution of the present invention, a sealing ring is provided at the position where the telescopic rod is in contact with the water collecting block, and the inside of the water collecting block is provided with a chute matching the movement trajectory of the telescopic rod.

As a further solution of the present invention: the inside of the sleeve is provided with a groove matching the movement trajectory of the ejector rod, the number of the connecting rods is four, and the four connecting rods are evenly distributed on the water collecting block. The top end is fixedly connected with the sleeve.

As a further solution of the present invention: the number of the fixing rings is provided in multiples, and the plurality of the fixing rings are evenly arranged on the outer wall of the water storage basin, and the interior of the water storage basin is provided with a movement track that matches the positioning rod. The inside of the sleeve is provided with a chute that matches the moving track of the connecting rod, and the cross section of the protective sleeve is in a "concave" shape.

Methods to detect regional water accumulation on expressways:

S1. Install the device on the outer wall of the railing first;

S2. When the vehicle passes by, the accumulated water will splash into the inside of the water collecting block, and the floating ball will float to drive the telescopic rod to move. Contact the top rod, the first conductive block and the second conductive block, and transmit the electrical signal to the detection terminal to remind the staff that there is water accumulation on this section of the road;

S3. At the same time, the telescopic rod, the first movable rod and the second movable rod will move under the action of the telescopic rod, and the movement of the telescopic rod will discharge the accumulated water inside the water collecting block, reducing the manual drainage process of the staff;

S4. When encountering heavy rain, a large amount of water will be accumulated inside the water storage basin. The increase in the self-weight of the water storage basin will drive the pressing rod and the fixing ring to move down, and give spring pressure. The first gear and the second gear will be in the Under the action of the fixed ring, it rotates to move the rack, connecting rod and protective sleeve downward. The protective sleeve will cover the outside of the water collecting block to protect the outer wall of the water collecting block and prevent a large number of false alarms in heavy rain.

Compared with the prior art, the beneficial effects of the present invention are:

1. By setting up a protective mechanism, when encountering rainy days, a large amount of accumulated water will be accumulated inside the water storage basin, and the technology inside the water storage basin will gradually flow out through the small holes in it. When the outflow speed is less than the accumulation speed, the storage The water basin will drive the pressing rod and the fixing ring to move downward under the action of gravity, the water storage basin will give spring pressure, and the fixing ring will drive the first gear and the second gear to rotate, the rotation of the second gear will give thrust to the rack, and the teeth will rotate. The strip will drive the connecting rod and the protective sleeve to move, so that the protective sleeve covers the outside of the water collecting block to prevent rainwater from entering. When the rainwater stops, the water inside the water storage basin will gradually flow out through the pores. Under the action of the spring, Drive the protective cover back to its original position, and achieve the purpose of protecting the water collecting block;

2. By setting up an early warning mechanism, when there are vehicles passing by on the road, such as a lot of water on the road, the water will splash in the water block under the impact force of the tire, and the floating ball will float under the action of the accumulated water, and the floating ball will move. It will drive the telescopic rod to move until one end of the telescopic rod is in contact with the top of the ejector rod. At this time, under the action of the extension rod, the ejector rod will drive the first conductive block to contact the second conductive block, and the first conductive block will pass through The second conductive block is electrically connected to the battery, so as to transmit the electrical signal to the detection terminal, so as to alert the staff that there is stagnant water on this section of the road;

3. By setting the drainage mechanism, when the telescopic rod moves, the second movable rod on the outer wall of the telescopic rod will also move upward, and one end of the second movable rod will give one end of the first movable rod a pulling force until the telescopic rod passes the infrared sensor and the infrared The infrared signal sent by the sensor will be cut off, the magnetic block will be energized through the PLC controller, the magnetic block will attract the telescopic rod to move, and the telescopic rod will drive the floating ball, the telescopic rod, the first movable rod, and the first movable rod under the suction force. The second movable rod moves upward, and the telescopic rod will enter the inside of the water collecting block, so that the accumulated water inside the water collecting block will flow out until the magnetic block is powered off at one end of the time under the action of the PLC controller, then the telescopic rod and the floating ball will Under the action of gravity of the telescopic rod, the first movable rod and the second movable rod, it returns to its original position, so as to achieve the purpose of discharging the accumulated water inside the water collecting block.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the sleeve structure schematic diagram of the present invention;

Fig. 3 is the structure schematic diagram of the water storage basin of the present invention;

4 is a cross-sectional view of the internal structure of the detection terminal of the present invention;

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

Fig. 6 is the partial enlarged view of A place of the present invention;

Fig. 7 is the partial enlarged view of B place of the present invention;

FIG. 8 is a partial enlarged view of the C part of the present invention.

In the figure: 1. Railing; 2. Mounting seat; 3. Sleeve; 4. Protection mechanism; 401, Pressing rod; 402, Water storage basin; 403, Fixing ring; 404, First gear; 405, Second gear; 406, rack; 407, connecting rod; 408, positioning rod; 409, spring; 410, protective sleeve; 5, early warning mechanism; 501, water collecting block; 502, connecting rod; 503, floating ball; 504, telescopic rod; 505, ejector rod; 506, first conductive block; 507, second conductive block; 508, battery; 6, drainage mechanism; 601, sealing baffle; 602, first movable rod; 603, second movable rod; 604, Infrared sensor; 605, magnetic block.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts 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. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. In the description of the present invention, it should be noted that the terms "installed", "connected", "connected" and "arranged" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection, or It can be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations. The embodiments of the present invention will be described below based on the overall structure of the present invention.

Please refer to FIGS. 1 to 8. In the embodiment of the present invention, a device for detecting regional stagnant water on an expressway includes:

Railing 1 at the edge of the road;

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

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

The early warning mechanism 5 is fixed on the bottom end of the sleeve 3 and penetrates to the inside of the sleeve 3 for detecting the surface water of this section of the road;

The protection mechanism 4 is arranged on the outside of the sleeve 3 and penetrates to the inside of the sleeve 3, and is used to protect the early warning mechanism 5 to avoid false alarms in rainy days;

The drainage mechanism 6 is connected to the outside of the early warning mechanism 5 and located inside the sleeve 3 , and is used for discharging the accumulated water inside the early warning mechanism 5 .

Please refer to FIGS. 5-6 , the protective 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 , and the outer wall of the pressing rod 401 is located in the sleeve 3 . The inside of the cylinder 3 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, and the outer wall of the second gear 405 is meshed with a rack 406, the rack The outer wall of 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. The bottom end of the water storage basin 402 is connected with a positioning rod 408. A spring 409 is connected to the outer wall, and the water collecting block 501 can be protected by this structure.

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 with a water collecting block 501, and a floating ball 503 is arranged inside the water collecting block 501. The floating ball The top end of 503 is connected with a telescopic rod 504 that penetrates into the sleeve 3, a top rod 505 is arranged above the telescopic rod 504, one end of the top rod 505 is connected with a first conductive block 506, and one end of the first conductive block 506 is connected with a first conductive block 506. Two conductive blocks 507, a battery 508 is arranged above the second conductive block 507, through this structure, it is possible to detect whether there is stagnant water on the road, and when it is detected that there is stagnant water in the road section, a signal can be sent to the detection terminal, so as to facilitate work The personnel can grasp the water accumulation situation of the road in real time.

4-6, the drainage mechanism 6 includes a telescopic rod 601, an infrared sensor 604, and a magnetic suction block 605. The telescopic rod 601 is located inside the water collecting block 501 and penetrates to the outside of the water collecting block 501, and the infrared sensor 604 is located in the water collecting block 501. The inside of the sleeve 3 is located on one side of the telescopic rod 504. The magnetic block 605 is located above the telescopic rod 504 and outside the top rod 505. One end of the telescopic rod 601 is hinged with a first movable rod 602. A second movable rod 603 is hinged at one end, and the accumulated water in the water collecting block 501 can be discharged through this structure.

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, and the magnetic 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. Through this structure, when the second conductive block 507 and the first conductive block 506 are in contact, an electrical signal can be transmitted to the detection terminal.

Please refer to FIG. 8 , a sealing ring is provided at the position where the telescopic rod 601 is in contact with the water collecting block 501 , and the inside of the water collecting block 501 is provided with a chute matching the movement trajectory of the telescopic rod 601 . Water cannot easily flow out of the water collecting block 501 through the telescopic rod 601 .

Please refer to FIG. 7 , the inside of the sleeve 3 is provided with a groove matching the movement trajectory of the ejector rod 505 , the number of connecting rods 502 is four, and the four connecting rods 502 are evenly distributed on the top of the water collecting block 501 and the sleeve The drum 3 is fixedly connected, and through this structure, the accumulated water can enter the interior of the water collecting block 501 through the gaps of the plurality of connecting rods 502 .

Please refer to FIGS. 5-6 , there are multiple fixing rings 403 , and the multiple fixing rings 403 are evenly arranged on the outer wall of the water storage basin 402 . The groove, the inside of the sleeve 3 is provided with a chute that matches the movement trajectory of the connecting rod 407, and the cross section of the protective sleeve 410 is in a "concave" shape structure, through which the protective sleeve 410 can be covered on the water collecting block. 501 outside.

Methods to detect regional water accumulation on expressways:

S1, first install the device on the outer wall of the railing 1;

S2. When the vehicle passes by, the accumulated water will splash into the water collecting block 501, and the floating ball 503 will float up to drive the telescopic rod 504 to move. The telescopic rod 504 is pulled up by the magnetic force, so that the top rod 505, the first conductive block 506, and the second conductive block 507 are in contact, and the terminal is detected during the electrical signal transmission, reminding the staff that this section of the road has accumulated water;

S3. At the same time, the telescopic rod 601, the first movable rod 602, and the second movable rod 603 will move under the action of the telescopic rod 504, and the movement of the telescopic rod 601 will discharge the accumulated water inside the water collecting block 501, reducing the working time of the staff. Manual drainage process;

S4. When encountering heavy rain conditions, a large amount of water will be accumulated inside the water storage basin 402. The increase in the self-weight of the water storage basin 402 drives the pressing rod 401 and the fixing ring 403 to move downward, and gives pressure to the spring 409. The first gear 404 , The second gear 405 will rotate under the action of the fixing ring 403, so that the rack 406, the connecting rod 407, and the protective sleeve 410 will move downward. Protection against a large number of false alarms during heavy rain.

The working principle of the present invention is as follows: when using this device, when a vehicle passes by on the road, such as a large amount of accumulated water on the road, the accumulated water will splash under the impact force of the tire, such as in the water collecting block 501, and the floating ball 503 will be in the accumulated water. The movement of the floating ball 503 will drive the telescopic rod 504 to move until one end of the telescopic rod 504 is in contact with the top of the ejector rod 505. At this time, the ejector rod 505 will drive the first conductive block 506 under the action of the extension rod 504. In contact with the second conductive block 507, the first conductive block 506 will be electrically connected to the battery 508 through the second conductive block 507, thereby transmitting the electrical signal to the detection terminal, achieving the purpose of prompting the staff that this section of the road has accumulated water , to improve the work efficiency, when the telescopic rod 504 moves, the second movable rod 603 on the outer wall of the telescopic rod 504 will also move upward, and one end of the second movable rod 603 will give one end of the first movable rod 602 a pulling force until the telescopic rod 504 passes through The infrared sensor 604, the infrared signal sent by the infrared sensor 604 will be cut off, the magnetic block 605 will be energized through the PLC controller, the magnetic block 605 will work to attract the telescopic rod 504 to move, and the telescopic rod 504 will drive the floating rod under the action of suction. The ball 503, the telescopic rod 601, the first movable rod 602, and the second movable rod 603 move upward, and the telescopic rod 601 will enter the inside of the water collecting block 501, so that the accumulated water inside the water collecting block 501 flows out until the magnetic attraction block 605 is in the water collecting block 501. Under the action of the PLC controller, the power is cut off for a period of time, then the telescopic rod 504 and the floating ball 503 will return to the original position under the gravity of the telescopic rod 601, the first movable rod 602, and the second movable rod 603, reaching the set point. The purpose of discharging the accumulated water inside the water block 501, when encountering rainy days, a large amount of accumulated water will be accumulated in the water storage basin 402, and the technology inside the water storage basin 402 will gradually flow out through the small holes in it. When the speed is lower than the accumulation speed, the water storage basin 402 will drive the pressing rod 401 and the fixing ring 403 to move downward under the action of gravity, the water storage basin 402 will give pressure to the spring 409, and the fixing ring 403 will drive the first gear 404, the second The rotation of the gear 405 and the rotation of the second gear 405 will give thrust to the rack 406, and the rack 406 will drive the connecting rod 407 and the protective sleeve 410 to move, so that the protective sleeve 410 covers the outside of the water collecting block 501 to prevent rainwater from entering. When it goes down, the water inside the water storage basin 402 will gradually flow out through the pores. Under the action of the spring 409, the protective sleeve 410 is driven back to its original position, so as to achieve the purpose of protecting the water collecting block 501.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the solution and its inventive concept shall be included within the protection scope of the present invention.

Claims (9)

1. The device for detecting the regional stagnant water of expressway, is characterized in that, comprises: Railings (1) at the edge of the road; The mounting seat (2) is fixed on the outer wall of the railing (1); a sleeve (3), which is located inside the mounting seat (2) and penetrates to the outside of the mounting seat (2); an early warning mechanism (5), which is fixed at the bottom end of the sleeve (3) and penetrates to the inside of the sleeve (3) for detecting the surface water of this section of the highway; The protection mechanism (4) is arranged outside the sleeve (3) and penetrates to the inside of the sleeve (3), and is used to protect the early warning mechanism (5) to avoid false alarms in rainy days; The drainage mechanism (6) is connected to the outside of the early warning mechanism (5) and located inside the sleeve (3), and is used for discharging the accumulated water inside the early warning mechanism (5). 2. The device for detecting regional water accumulation on expressways according to claim 1, characterized in that the protection mechanism (4) comprises a protection mechanism (4) located inside one end of the sleeve (3) and penetrating to the outside of the sleeve (3). A pressing rod (401), one end of the pressing rod (401) is connected with a water storage basin (402), the outer wall of the pressing rod (401) is located inside the sleeve (3) and is fixedly connected with a fixing ring (403), The outer wall of the fixing ring (403) is engaged with a first gear (404), the outer wall of the first gear (404) is engaged with a second gear (405), and the outer wall of the second gear (405) is engaged with teeth A rod (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), and one end of the connecting rod (407) penetrates to the outside of the sleeve (3) and is connected with a connecting rod (407) A protective sleeve (410), a positioning rod (408) is connected to the bottom end of the water storage basin (402), and a spring (409) is connected to the outer wall of the positioning rod (408). 3. The device for detecting regional water accumulation on a highway according to claim 1, wherein the early warning mechanism (5) comprises a connecting rod (502) connected at one end of the sleeve (3), and the connection One end of the rod (502) is connected with a water collecting block (501), a floating ball (503) is arranged inside the water collecting block (501), and a top end of the floating ball (503) is connected with a water collecting block (503) extending through the sleeve (3). ) inside the telescopic rod (504), a top rod (505) is arranged above the telescopic rod (504), and one end of the top rod (505) is connected with a first conductive block (506), the first conductive block (506) One end of the block (506) is connected with a second conductive block (507), and a battery (508) is arranged above the second conductive block (507). 4. The device for detecting regional water accumulation on expressways according to claim 3, wherein the drainage mechanism (6) comprises a telescopic rod (601), an infrared sensor (604), a magnetic block (605) ), the telescopic rod (601) is located inside the water collecting block (501) and penetrates to the outside of the water collecting block (501), the infrared sensor (604) is located inside the sleeve (3) and is located in the telescopic rod (504) ), the magnetic block (605) is located above the telescopic rod (504) and outside the top rod (505), and one end of the telescopic rod (601) is hinged with a first movable rod (602), so One end of the first movable rod (602) is hinged with a second movable rod (603). 5. The device for detecting regional water accumulation on a highway according to claim 4, wherein one end of the infrared sensor (604) is electrically connected to the battery (508) through a wire, and the telescopic rod (601) is electrically connected to the battery (508) through a wire. ) is in an "L" shape, the magnetic block (605) is electrically connected to the infrared sensor (604) through the PLC controller, and one end of the second conductive block (507) is connected to the battery (508) through a wire ) electrical connection. 6. The device for detecting regional water accumulation on expressways according to claim 4, wherein a sealing ring is provided at the position where the telescopic rod (601) is in contact with the water collecting block (501), and the collecting The inside of the water block (501) is provided with a chute matching the movement trajectory of the telescopic rod (601). 7. The device for detecting regional water accumulation on expressways according to claim 3, characterized in that, a groove matching the movement trajectory of the ejector rod (505) is provided inside the sleeve (3), and the There are four connecting rods (502), and the four connecting rods (502) are evenly distributed on the top of the water collecting block (501) and are fixedly connected with the sleeve (3). 8. The device for detecting regional stagnant water on expressways according to claim 2, wherein the number of said fixing rings (403) is provided in a plurality, and a plurality of said fixing rings (403) are evenly arranged in the storage area. The outer wall of the water basin (402), the interior of the water storage basin (402) is provided with a groove matching the movement trajectory of the positioning rod (408), and the interior of the sleeve (3) is provided with a connecting rod (407) ) a chute with a matching moving track, and the cross-section of the protective sleeve (410) is in a "concave" shape. 9. Methods of detecting regional water accumulation on expressways: S1. Install the device on the outer wall of the railing (1) first; S2. When the vehicle passes by, the accumulated water will splash into the water collecting block (501), and the floating ball (503) will float up to drive the telescopic rod (504) to move, and the movement of the telescopic rod (504) will block the infrared sensor (604). Infrared signal, the magnetic attraction block (605) magnetically pulls up the telescopic rod (504) at this time, so that the ejector rod (505), the first conductive block (506), and the second conductive block (507) are in contact, and the electrical signal is transmitted Check the terminal in the middle of the road to remind the staff that this section of the road has stagnant water; S3. At the same time, the telescopic rod (601), the first movable rod (602) and the second movable rod (603) will move under the action of the telescopic rod (504), and the movement of the telescopic rod (601) will make the water collecting block (501) ) The internal water is discharged, which reduces the manual drainage process of the staff; S4. When encountering heavy rain, a large amount of water will be accumulated inside the water storage basin (402), and the increase in the self-weight of the water storage basin (402) will drive the pressing rod (401) and the fixing ring (403) to move down, and give Under the pressure of the spring (409), the first gear (404) and the second gear (405) will rotate under the action of the fixing ring (403), so that the rack (406), the connecting rod (407), and the protective sleeve (410) move toward each other. Moving down, the protective cover (410) will cover the outside of the water collecting block (501) to protect the outer wall of the water collecting block (501) to prevent a large number of false alarms in heavy rain.

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