A green building for reducing carbon emissions

Abstract

The present invention relates to the field of green buildings, and specifically to a green building for reducing carbon emissions, including columns, hollow rods, signal display lights and controllers; it also includes a collection unit, a drive unit and a sprinkling unit; a first groove and a second groove are provided on the side wall of the hollow rod, and a baffle is slidably and sealingly connected to the inner wall of the hollow rod; the baffle divides the hollow rod into two parts, a storage cavity and a water storage cavity; in the present invention, rainwater is collected into the hollow rod on rainy days. When it is necessary to sprinkle water on the road surface in hot weather, the electric push rod drives the baffle to slide along the inner wall of the hollow rod, so that the volume of the cavity in the water storage cavity decreases and the rainwater pressure increases. The rainwater squeezes the one-way valve and flows into the nozzle through the first pipe, and the water in the nozzle is sprayed onto the road surface to cool the road surface, reducing the number of times of sprinkling by the sprinkler truck, ultimately reducing the carbon emissions and protecting the environment.

Description

Technical Field

[0001] The present invention relates to the field of green buildings, in particular to a green building which reduces carbon emissions. Background Art

[0002] Green building refers to the maximum conservation of resources throughout the entire life cycle of the building, including energy conservation, land conservation, water conservation, material conservation, etc., to protect the environment and reduce pollution, to provide people with healthy, comfortable and efficient use space, and to buildings that coexist harmoniously with nature. In the modern society with increasingly developed industrialization, excessive carbon emissions have increased the rate of global warming and have begun to affect the normal operation of the ecological environment. Today, when green living is advocated, fundamentally reducing carbon emissions has become an indispensable technical requirement in construction.

[0003] However, the traffic lights installed in the existing intersections can only maintain traffic order and enable vehicles and pedestrians to pass through the intersections regularly. When the weather is hot, the sun's exposure causes the asphalt temperature to be too high, which will damage the road and affect traffic. Therefore, it is necessary to use a sprinkler truck to spray water on the road from time to time to achieve the purpose of cooling. Crossroads are generally the places with the largest flow of people and vehicles on urban roads. It is not convenient for sprinkler trucks to spray water at this place. In addition, this cooling method is time-consuming, labor-intensive and costly. In addition, sprinkler trucks also increase carbon emissions during driving, which is not conducive to environmental protection. Therefore, a green building that can reduce carbon emissions is needed at this time.

[0004] In view of this, in order to overcome the above technical problems, the present invention proposes a green building that reduces carbon emissions and solves the above technical problems. Summary of the invention

[0005] In order to make up for the shortcomings of the prior art, the present invention proposes a green building that reduces carbon emissions. The present invention collects rainwater on rainy days through a collection unit and flows it into a water storage chamber through the No. 2 groove. When the road surface needs to be sprinkled in hot weather, the rainwater in the water storage chamber is pressurized by an electric push rod of the driving unit, and the pressurized rainwater flows into the nozzle of the sprinkler unit. The nozzle sprays the rainwater onto the road surface to cool the road surface, thereby reducing the number of times the sprinkler truck sprinkles water, ultimately reducing carbon emissions and protecting the environment.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: a green building for reducing carbon emissions described in the present invention comprises a column, a hollow rod, a signal light and a controller; the hollow rod is fixedly connected to the outer wall of the upper side of the column; the signal light is fixedly connected to the outer wall of the hollow rod; the controller is used to control the signal light and the electric push rod to automatically operate; it also includes a collecting unit, a driving unit and a watering unit; a first groove and a second groove are provided on the side wall of the hollow rod, and a baffle is slidably and sealingly connected to the inner wall of the hollow rod; the baffle divides the hollow rod into two parts: a storage cavity and a water storage cavity;

[0007] The collecting unit is used to collect rainwater that falls on rainy days and flow it into the water storage chamber through the second groove;

[0008] The driving unit is used to pressurize the rainwater in the water storage chamber;

[0009] The rainwater in the water storage chamber flows into the sprinkler unit through the No. 1 groove and is sprayed onto the ground.

[0010] Preferably, the collection unit includes a rain collecting box; the rain collecting box is fixedly connected to the outer wall of the hollow rod, an opening is provided on the side of the rain collecting box away from the hollow rod, a No. 3 groove is provided on the side wall of the rain collecting box close to the hollow rod, and the rain collecting box is connected to the water storage chamber through the No. 3 groove and the No. 2 groove.

[0011] Preferably, the driving unit comprises an electric push rod; one end of the electric push rod is fixedly connected to the inner wall of the hollow rod, and the other end of the electric push rod is fixedly connected to the baffle.

[0012] Preferably, the sprinkler unit includes a one-way valve and a nozzle; a one-way valve is installed in the No. 1 groove, one end of the No. 1 groove is connected to the water storage chamber, and the other end is connected to the nozzle.

[0013] When working, the existing traffic intersection has a large volume of traffic. When the weather is hot, the sun's exposure causes the asphalt temperature to be too high, which will damage the road and affect traffic. Therefore, it is necessary to achieve the purpose of cooling by sprinkling water on the road irregularly. However, this cooling method is time-consuming, labor-intensive and costly, and the carbon emissions are increased during the driving process of the sprinkler truck, which is not conducive to environmental protection. Therefore, a green building that can reduce carbon emissions is needed at this time;

[0014] Therefore, when the staff uses the present invention and it rains, the rainwater flows into the rain collection box of the collection unit. At this time, the baffle is located on the right side of the second groove, and the rainwater flows into the water storage cavity part in the hollow rod through the third groove and the second groove. When it is hot and the road surface needs to be sprinkled, the controller starts the electric push rod of the driving unit, sets the extension length of the output shaft of the electric push rod, and the electric push rod pushes the baffle to move towards the water storage cavity side. The cavity of the water storage cavity gradually shrinks, increasing the pressure of the rainwater in the water storage cavity. At this time, the baffle moves to the right side of the second groove. The rainwater flows into the one-way valve of the sprinkling unit through the first groove. The pressurized rainwater pushes the valve core of the one-way valve to move downward and squeezes the spring at the same time, enabling the water body to flow into the valve core through the through hole on the valve core, then into the first pipeline, and finally into the nozzle. The rainwater in the nozzle is sprayed onto the road surface to cool the road surface. After sprinkling the water, the controller controls the electric push rod to reset, completing one sprinkling process.

[0015] The present invention collects rainwater through the collection unit in rainy days and flows it into the water storage cavity through the second groove. When it is hot and the road surface needs to be sprinkled, the electric push rod of the driving unit pressurizes the rainwater in the water storage cavity. The pressurized rainwater flows into the nozzle of the sprinkling unit, and the nozzle sprays the rainwater onto the road surface to cool the road surface, reducing the number of times the sprinkler truck sprinkles water, ultimately reducing carbon emissions and protecting the environment.

[0016] Preferably, the bottom end surface of the rain collection box is inclined from the periphery towards the third groove. During operation, when the rainwater falls into the rain collection box, the rainwater will flow along the inclined bottom end surface of the rain collection box into the third groove and finally into the hollow rod. The inclined bottom end surface of the rain collection box can prevent the situation where rainwater stays in the rain collection box and cannot replenish the water storage cavity in the hollow rod.

[0017] Preferably, the collection unit further includes a second pipeline. A fourth groove is also provided on the side wall of the rain collection box. One end of the second pipeline is communicated with the fourth groove, and the other end extends to the upper end surface of the column. During operation, when the rainwater collected in the rain collection box flows into the hollow rod through the third groove and the second groove, after the water storage cavity in the hollow rod is filled with water, the water level rises into the rain collection box. When the water level in the rain collection box reaches the notch of the fourth groove, it will flow into the second pipeline through the fourth groove, then flow to the upper end surface of the column through the second pipeline, and finally flow down along the side wall of the column to the ground. The second pipeline can prevent the situation where rainwater fills the rain collection box and spreads outside the rain collection box to form a water curtain, ensuring the safety of vehicles and pedestrians at the intersection on rainy days.

[0018] Preferably, a floating plate is further disposed inside the rainwater collection tank; the density of the floating plate is less than that of water, the floating plate is located inside the rainwater collection tank, the height of the floating plate in the rainwater collection tank without water is lower than the height of the fourth groove in the rainwater collection tank, and the side wall of the floating plate close to the fourth groove fits with the corresponding side wall of the rainwater collection tank; during operation, when the weather is hot, affected by atmospheric evaporation, the water level inside the rainwater collection tank will drop, and the height of the floating plate is lower than the notch of the fourth groove, so that the floating plate can block the fourth groove; the floating plate can cover part of the water body, thereby reducing the evaporation rate of the rainwater in the rainwater collection tank when the weather is hot and reducing the amount of rainwater evaporated by sunlight in the rainwater collection tank.

[0019] Preferably, a stop block is fixedly connected to the outside of the electric push rod; the stop block is slidably and sealingly connected to the inner side wall of the hollow rod, and the stop block can cover the notch of the second groove after sliding towards the water storage cavity; during operation, when the electric push rod pushes the baffle towards the water storage cavity, the stop block fits tightly with the inner wall of the hollow rod, and the stop block can always block the notch of the second groove when moving towards the water storage cavity, preventing the rainwater in the rainwater collection tank from flowing into the storage cavity and causing waste of water source, and further preventing the situation where resistance may occur when the baffle moves into the storage cavity.

[0020] Preferably, the first groove is communicated with the nozzle through a first pipeline; the first pipeline is made of flexible material, and the first pipeline can swing with the wind; during operation, the material of the first pipeline is plastic. When rainwater flows into the nozzle through the first pipeline, the first pipeline made of flexible material will sway back and forth and left and right under the drive of the wind, thereby driving the nozzle to expand the area of sprinkling on the ground.

[0021] The beneficial effects of the present invention are as follows:

[0022] 1. In the present invention, the collection unit collects rainwater on rainy days and flows through the second groove into the water storage cavity. When it is necessary to sprinkle water on the road surface in hot weather, the electric push rod of the drive unit pressurizes the rainwater in the water storage cavity, and the pressurized rainwater flows into the nozzle of the sprinkling unit, and the nozzle sprays the rainwater onto the road surface to cool the road surface, reducing the number of times of sprinkling water by the sprinkler truck, and ultimately reducing the carbon emissions and protecting the environment.

[0023] 2. In the present invention, the bottom end surface of the rainwater collection tank is inclined from the periphery towards the third groove. When rainwater falls into the rainwater collection tank, the rainwater will flow along the inclined bottom end surface of the rainwater collection tank into the third groove and finally into the hollow rod; the inclined bottom end surface of the rainwater collection tank can prevent the situation that when rainwater stays in the rainwater collection tank, it cannot replenish the water storage cavity in the hollow rod.

[0024] 3. The present invention is provided with a floating plate inside the rainwater collection tank. When the weather is hot, affected by atmospheric evaporation, the water level inside the rainwater collection tank will drop, and the height of the floating plate is lower than the notch of the fourth groove. The floating plate can cover the water body, thereby reducing the evaporation rate of the rainwater in the rainwater collection tank when the weather is hot and reducing the amount of rainwater evaporated by sunlight in the rainwater collection tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the drawings and embodiments.

[0026] Figure 1 is a perspective view of the present invention;

[0027] Figure 2 is a left view of the present invention;

[0028] Figure 3 is Figure 2 a cross-sectional view taken along the A-A direction in

[0029] Figure 4 is Figure 3 an enlarged view of B in

[0030] Figure 5 is Figure 3 an enlarged view of C in

[0031] In the figure: 1, column; 2, hollow rod; 21, water storage cavity; 22, storage cavity; 23, first groove; 24, second groove; 25, baffle; 3, sprinkling unit; 31, one-way valve; 32, first pipe; 33, nozzle; 4, driving unit; 41, electric push rod; 42, stop block; 5, collection unit; 51, rainwater collection tank; 52, inclined chute; 53, floating plate; 54, third groove; 55, fourth groove; 56, second pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0033] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the Figure 3 orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the present invention. In addition, the terms "first", "second", "third", etc. are only used for differential description and cannot be understood as indicating or implying relative importance.

[0034] As shown Figures 1 to 5 in the figure, the technical solution adopted by the present invention to solve its technical problems is: a green building for reducing carbon emissions described in the present invention includes a column 1, a hollow rod 2, a signal lamp, and a controller; the hollow rod 2 is fixedly connected to the outer wall on the upper side of the column 1; the signal lamp is fixedly connected to the outer wall of the hollow rod 2; the controller is used to control the automatic operation of the signal lamp and the electric push rod 41; it further includes a collection unit 5, a driving unit 4, and a sprinkling unit 3; a first groove 23 and a second groove 24 are provided on the side wall of the hollow rod 2, and a baffle 25 is slidably and sealingly connected to the inner wall of the hollow rod 2; the baffle 25 divides the hollow rod 2 into two parts, a storage cavity 22 and a water storage cavity 21;

[0035] The collection unit 5 is used to collect the rainwater falling on rainy days and flow it into the water storage cavity 21 through the second groove 24;

[0036] The driving unit 4 is used to pressurize the rainwater in the water storage cavity 21;

[0037] The rainwater in the water storage cavity 21 flows into the sprinkling unit 3 through the first groove 23 and is sprayed onto the ground.

[0038] As a specific embodiment of the present invention, the collection unit 5 includes a rain collection box 51; the rain collection box 51 is fixedly connected to the outer side wall of the hollow rod 2, an opening is provided on the side of the rain collection box 51 away from the hollow rod 2, a third groove 54 is provided on the side wall of the rain collection box 51 close to the hollow rod 2, and the rain collection box 51 is communicated with the water storage cavity 21 through the third groove 54 and the second groove 24.

[0039] As a specific embodiment of the present invention, the driving unit 4 includes an electric push rod 41; one end of the electric push rod 41 is fixedly connected to the inner side wall of the hollow rod 2, and the other end is fixedly connected to the baffle 25.

[0040] As a specific embodiment of the present invention, the sprinkling unit 3 includes a one-way valve 31 and a nozzle 33; the one-way valve 31 is installed in the first groove 23, one end of the first groove 23 is communicated with the water storage cavity 21, and the other end is communicated with the nozzle 33.

[0041] During operation, the traffic flow at existing intersections is relatively large. When the weather is hot, the sun exposure causes the asphalt temperature to be too high, which will damage the road surface and affect traffic. Therefore, it is necessary to sprinkle water on the road irregularly to achieve the purpose of cooling. However, this cooling method is time-consuming, laborious, and costly, and the sprinkler truck also increases carbon emissions during driving, which is not conducive to environmental protection. Therefore, a green building that can reduce carbon emissions is needed at this time;

[0042] Therefore, when the staff uses the present invention and it rains, the rainwater flows into the rain collection box 51 of the collection unit 5. At this time, the baffle 25 is located on the right side of the second groove 24, and the rainwater flows into the water storage cavity 21 part inside the hollow rod 2 through the third groove 54 and the second groove 24; when it is hot and the road surface needs to be sprinkled with water, the controller starts the electric push rod 41 of the driving unit 4, sets the extension length of the output shaft of the electric push rod 41, and the electric push rod 41 pushes the baffle 25 to move towards the side of the water storage cavity 21. The cavity of the water storage cavity 21 gradually shrinks, increasing the pressure of the rainwater in the water storage cavity 21. At this time, the baffle 25 moves to the right side of the second groove 24; the rainwater flows into the one-way valve 31 of the sprinkling unit 3 through the first groove 23. The pressurized rainwater pushes the valve core of the one-way valve 31 to move downward and squeezes the spring at the same time, causing the water body to flow into the valve core through the through hole on the valve core, then into the first pipe 32, and finally into the nozzle 33. The rainwater in the nozzle 33 is sprayed onto the road surface to cool the road surface; after the water spraying is completed, the controller controls the electric push rod 41 to reset, completing a water spraying process;

[0043] The present invention collects rainwater through the collection unit 5 and flows into the water storage cavity 21 through the second groove 24. When it is hot and the road surface needs to be sprinkled with water, the electric push rod 41 of the driving unit 4 increases the pressure of the rainwater in the water storage cavity 21. The pressurized rainwater flows into the nozzle 33 of the sprinkling unit 3, and the nozzle 33 sprays the rainwater onto the road surface to cool the road surface, reducing the number of times the sprinkler sprays water, ultimately reducing the carbon emissions and protecting the environment.

[0044] As a specific embodiment of the present invention, the bottom end surface of the rain collection box 51 is inclined from the periphery towards the third groove 54; during operation, when the rainwater falls into the rain collection box 51, the rainwater will flow along the inclined bottom end surface of the rain collection box 51 into the third groove 54 and finally into the hollow rod 2; the inclined bottom end surface of the rain collection box 51 can prevent the situation where the rainwater cannot supplement the water storage cavity 21 in the hollow rod 2 when the rainwater stays in the rain collection box 51.

[0045] As a specific implementation manner of the present invention, the collection unit 5 further includes a second pipeline 56; a fourth groove 55 is further formed on the side wall of the rain collection tank 51; one end of the second pipeline 56 is communicated with the fourth groove 55, and the other end extends to the upper end surface of the column 1; during operation, when the rainwater collected in the rain collection tank 51 flows into the hollow rod 2 through the third groove 54 and the second groove 24, after the water storage cavity 21 in the hollow rod 2 is filled with water, the water level rises into the rain collection tank 51. When the water level in the rain collection tank 51 reaches the notch of the fourth groove 55, it will flow into the second pipeline 56 through the fourth groove 55, and then flow to the upper end surface of the column 1 through the second pipeline 56, and finally flow down along the side wall of the column 1 to the ground; the second pipeline 56 can prevent the situation that the rain collection tank 51 is filled with rainwater and spreads to the outside of the rain collection tank 51 to form a water curtain, ensuring the safety of vehicles and pedestrians at the intersection on rainy days.

[0046] As a specific implementation manner of the present invention, a floating plate 53 is further provided inside the rain collection tank 51; the density of the floating plate 53 is less than that of water, the height of the floating plate 53 in the rain collection tank 51 without water is lower than the height of the fourth groove 55 in the rain collection tank 51, and the side wall of the floating plate 53 close to the fourth groove 55 fits with the corresponding side wall of the rain collection tank 51; during operation, when the weather is hot, affected by atmospheric evaporation, the water level inside the rain collection tank 51 will drop, and the height of the floating plate 53 is lower than the notch of the fourth groove 55, so that the floating plate 53 can block the fourth groove 55; the floating plate 53 can cover part of the water body, thereby reducing the evaporation speed of the rainwater in the rain collection tank 51 when the weather is hot and reducing the amount of rainwater evaporated by the sun in the rain collection tank 51.

[0047] As a specific implementation manner of the present invention, a stopper 42 is fixedly connected to the outside of the electric push rod 41; the stopper 42 is slidably and sealingly connected to the inner side wall of the hollow rod 2, and the stopper 42 can cover the notch of the second groove 24 after sliding towards the side of the water storage cavity 21; during operation, when the electric push rod 41 pushes the baffle 25 towards the water storage cavity 21, the stopper 42 fits tightly with the inner wall of the hollow rod 2, and the stopper 42 can always block the notch of the second groove 24 when moving towards the water storage cavity 21, preventing the rainwater in the rain collection tank 51 from flowing into the storage cavity 22, causing waste of water source, and further preventing the situation that resistance may occur when the baffle 25 moves towards the storage cavity 22.

[0048] As a specific implementation manner of the present invention, the first groove 23 and the nozzle 33 are communicated through a first pipeline 32; the first pipeline 32 is made of a flexible material and can swing with the wind; during operation, the material of the first pipeline 32 is plastic. When rainwater flows into the nozzle 33 through the first pipeline 32, the first pipeline 32 made of a flexible material will sway left and right and back and forth under the drive of the wind, thereby driving the nozzle 33 to expand the area of spraying the ground.

[0049] The specific work process is as follows:

[0050] When using the present invention, when it rains, rainwater flows into the rain collection box 51 of the collection unit 5. At this time, the baffle 25 is located on the right side of the second groove 24, and the rainwater flows into the water storage cavity 21 part inside the hollow rod 2 through the third groove 54 and the second groove 24; when the road surface needs to be sprinkled on a hot day, the controller starts the electric push rod 41 of the driving unit 4, sets the extension length of the output shaft of the electric push rod 41, and the electric push rod 41 pushes the baffle 25 to move towards the side of the water storage cavity 21. The cavity of the water storage cavity 21 gradually shrinks, increasing the pressure of the rainwater in the water storage cavity 21. At this time, the baffle 25 moves to the right side of the second groove 24; the rainwater flows into the one-way valve 31 of the sprinkling unit 3 through the first groove 23. The pressurized rainwater pushes the valve core of the one-way valve 31 to move downward while squeezing the spring, allowing the water body to flow into the valve core through the through hole on the valve core, then into the first pipe 32, and finally into the nozzle 33. The rainwater in the nozzle 33 is sprayed onto the road surface to cool the road surface; after sprinkling water, the controller controls the electric push rod 41 to reset, completing a sprinkling process; when rainwater falls into the rain collection box 51, the rainwater will flow along the inclined bottom surface of the rain collection box 51 into the third groove 54 and finally into the hollow rod 2; the inclined bottom surface of the rain collection box 51 can prevent the situation where rainwater stays in the rain collection box 51 and cannot replenish the water storage cavity 21 in the hollow rod 2; when the rainwater collected in the rain collection box 51 flows into the hollow rod 2 through the third groove 54 and the second groove 24, after the water storage cavity 21 in the hollow rod 2 is filled with water, the water level rises into the rain collection box 51. When the water level in the rain collection box 51 reaches the notch of the fourth groove 55, it will flow into the second pipe 56 through the fourth groove 55, then flow to the upper end surface of the column 1 through the second pipe 56, and finally flow to the ground along the side wall of the column 1; the second pipe 56 can prevent the situation where rainwater fills the rain collection box 51 and spreads outside the rain collection box 51 to form a water curtain, ensuring the safety of vehicles and pedestrians at the intersection on rainy days; when it is hot, affected by atmospheric evaporation, the water level inside the rain collection box 51 will drop, and the height of the floating plate 53 is lower than the notch of the fourth groove 55, enabling the floating plate 53 to block the fourth groove 55; the floating plate 53 can cover part of the water body, thereby reducing the evaporation speed of the rainwater in the rain collection box 51 on hot days and reducing the amount of rainwater evaporated by the sun in the rain collection box 51; when the electric push rod 41 pushes the baffle 25 towards the water storage cavity 21, the stopper 42 fits tightly with the inner wall of the hollow rod 2, and the stopper 42 can always block the notch of the second groove 24 when moving towards the water storage cavity 21, preventing the rainwater in the rain collection box 51 from flowing into the storage cavity 22, causing waste of water source, and further preventing the situation where resistance may occur when the baffle 25 moves towards the storage cavity 22; the material of the first pipe 32 is plastic. When rainwater flows into the nozzle 33 through the first pipe 32, the first pipe 32 made of flexible material will sway back and forth and left and right under the drive of the wind, thereby driving the nozzle 33 to expand the area of spraying the ground.

[0051] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A green building for reducing carbon emissions, comprising columns (1), hollow rods (2), signal display lights and a controller; characterized in that: It further includes a collection unit (5), a driving unit (4) and a sprinkling unit (3); a first groove (23) and a second groove (24) are formed on the side wall of the hollow rod (2), and a baffle (25) is slidably and sealingly connected to the inner wall of the hollow rod (2); the baffle (25) divides the hollow rod (2) into a storage cavity (22) and a water storage cavity (21); The collection unit (5) is used to collect the rainwater falling on rainy days and flow it into the water storage cavity (21) through the second groove (24); The driving unit (4) is used to pressurize the rainwater in the water storage cavity (21); The rainwater in the water storage cavity (21) flows into the sprinkling unit (3) through the first groove (23) and is sprayed onto the ground; The collection unit (5) includes a rain collection box (51); the rain collection box (51) is fixedly connected to the outer side wall of the hollow rod (2), an opening is provided on one side of the rain collection box (51) away from the hollow rod (2), a third groove (54) is formed on the side wall of the rain collection box (51) close to the hollow rod (2), and the rain collection box (51) is communicated with the water storage cavity (21) through the third groove (54) and the second groove (24); The driving unit (4) includes an electric push rod (41); one end of the electric push rod (41) is fixedly connected to the inner side wall of the hollow rod (2), and the other end is fixedly connected to the baffle (25); The sprinkling unit (3) includes a one-way valve (31) and a nozzle (33); the one-way valve (31) is installed in the first groove (23), one end of the first groove (23) is communicated with the water storage cavity (21), and the other end is communicated with the nozzle (33); The collection unit (5) further includes a second pipe (56); a fourth groove (55) is further formed on the side wall of the rain collection box (51); one end of the second pipe (56) is communicated with the fourth groove (55), and the other end extends to the upper end surface of the column (1); A floating plate (53) is further arranged inside the rain collection box (51); the density of the floating plate (53) is less than that of water, the height of the floating plate (53) in the rain collection box (51) without water is lower than the height of the fourth groove (55) in the rain collection box (51), and the side wall of the floating plate (53) close to the fourth groove (55) fits with the corresponding side wall of the rain collection box (51); The bottom end surface of the rain collection box (51) is inclined from the periphery to the third groove (54); A stop block (42) is fixedly connected to the outside of the electric push rod (41); the stop block (42) is slidably and sealingly connected to the inner side wall of the hollow rod (2), and the stop block (42) can cover the notch of the second groove (24) after sliding towards the side of the water storage cavity (21); The first groove (23) is communicated with the nozzle (33) through a first pipe (32); the first pipe (32) is made of a flexible material and can swing with the wind; When it rains, rainwater flows into the rain collection box (51) of the collection unit (5). At this time, the baffle (25) is located on the right side of the second groove (24), and the rainwater flows into the water storage cavity (21) part inside the hollow rod (2) through the third groove (54) and the second groove (24). When the road surface needs to be sprinkled on a hot day, the controller starts the electric push rod (41) of the driving unit (4), sets the extension length of the output shaft of the electric push rod (41), and the electric push rod (41) pushes the baffle (25) to move towards the side of the water storage cavity (21). The cavity of the water storage cavity (21) gradually shrinks, increasing the water pressure in the water storage cavity (21). At this time, the baffle (25) moves to the left side of the second groove (24), and the rainwater flows into the one-way valve (31) of the sprinkling unit (3) through the first groove (23). The pressurized rainwater pushes the valve core of the one-way valve (31) to move towards the lower end of the one-way valve (31) and squeezes the spring at the same time, so that the water body flows into the valve core through the through hole on the valve core, then flows into the inside of the first pipe (32), and finally flows into the nozzle (33). The rainwater in the nozzle (33) is sprayed onto the road surface to cool the road surface. After sprinkling the water, the controller controls the electric push rod (41) to reset, completing a sprinkling process.

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