KR20100104936A - System for improving durability of bridge pavement and extinguishing fire on upper part of bridge using rainwater and method using the same - Google Patents

Abstract

PURPOSE: A system for initial fire suppression of a bridge top using rain and endurance improvement of a bridge and a method using the same are provided to prevent the degrading of endurance of a bridge road by high temperature in summer. CONSTITUTION: A system for initial fire suppression of a bridge top using rain and endurance improvement comprises a fire extinguishing part, a road over-heating prevention part, a water tank(300), a controller(400), a water feed pump(500) and a water supply flow path. The fire extinguishing part detects flame on the surface of a bridge and extinguishes fire. The road over-heating prevention part senses the temperature of the bridge road. The road over-heating prevention part cools the road of the bridge in road overheating. The water tank stores the fire extinguishing part and the water used in the road over-heating prevention part. The controller analyzes the fire extinguishing part and the sensing temperature from the road over-heating prevention part. The water feed pump drives to controller so that the water of the water tank flow in into the fire extinguishing part and road over-heating prevention part.

Description

SYSTEM FOR IMPROVING DURABILITY OF BRIDGE PAVEMENT AND EXTINGUISHING FIRE ON UPPER PART OF BRIDGE USING RAINWATER AND METHOD USING THE SAME}

The present invention relates to a system and method for the initial fire suppression of bridges and to improve the durability of the road surface, and more particularly to the initial fire suppression of fires generated in the upper part of the bridge using rainwater, The present invention relates to a system for improving the durability of the initial road fire suppression and bridge road surface using rainwater to prevent durability degradation and a method using the same.

Various road traffic networks are being built due to the development of civil construction technology for bridges, especially bridges that pass through rivers, and bridges that connect islands and land. In addition, in recent years, a large bridge connecting the mouth of a large river or a bay is being constructed or under construction.

In the case of such bridge construction, in general, due to severe weather changes such as fog and wind speed on the upper portion of the bridge, the vehicle driving environment is poor and vehicle collision accidents frequently occur.

In particular, since the location of the bridge is often installed in an area outside the downtown area, it is difficult to quickly extinguish the fire in the event of a fire due to a vehicle crash in the bridge, thereby increasing the casualty and property damage.

Accordingly, an early fire suppression technology has been developed to reduce the casualty caused by fire by performing initial suppression before a fire truck for fire suppression arrives on a bridge.

For example, Korean Unexamined Patent Publication No. 10-2009-0011740 (published on February 02, 2009) discloses an automatic fire extinguishing system of an upper portion of a bridge using seawater.

The present invention relates to an automatic fire extinguishing system on the upper part of a bridge that automatically recognizes a fire occurrence section occurring at an upper part of the bridge and sprays water using seawater as an ignition point to extinguish the fire in real time.

This technique has the advantage of enabling rapid initial extinguishing of fires generated in the upper part of the bridge by using seawater flowing under the bridge as water. However, by using seawater as the water for extinguishing fire, the structure of the fire extinguishing system becomes complicated as the salt removal unit is formed in order to solve the problem of the durability of the fire extinguishing system due to the salts of the seawater being less durable. have.

Accordingly, there is a demand for the development of a system capable of reducing the economic burden and enabling the initial suppression of fire occurring on the upper portion of the bridge, which has a simple structure that is easy to install on the bridge.

In addition, the development of a system that can solve the problem of the durability of the bridge road surface due to the high temperature in the summer by preventing the overheating of the road surface as well as the initial suppression of the fire occurring on the bridge.

Accordingly, the first object of the present invention is to spray the upper part of the bridge by using the rainwater as rainwater, so that the fire extinguishing on the bridge as well as the initial fire evolution on the bridge, as well as the durability of the bridge road due to the high temperature in summer, It is to provide a system for improving the initial fire suppression and durability of bridge road surface.

It is a second object of the present invention to provide a method for improving the initial fire suppression of bridges and the durability of bridge road surfaces using a system for initial fire suppression of bridges using rainwater and improving the durability of bridge road surfaces.

In order to achieve the first object of the present invention described above, the present invention provides a fire suppression unit for detecting the presence of a fire on the upper portion of the bridge, the initial fire suppression when the fire occurs; A road surface overheat prevention unit configured to sense a temperature of a road surface of a bridge and to cool the road surface that is overheated when the road surface is overheated; A water storage tank for storing rainwater used in the fire suppression unit and road surface overheat prevention unit; A control unit for analyzing a detection temperature transmitted from the fire suppression unit and the road surface overheat prevention unit; A water supply pump driven under the control of the controller so that water from the water storage tank flows into the fire suppression unit and the road surface overheat prevention unit; And a water supply passage connected between each of the fire suppression unit and the road surface overheat prevention unit and the water storage tank so that water from the water storage tank may flow into the fire suppression unit and the road surface overheat prevention unit by driving the water supply pump. Provides a system for the initial fire suppression of bridges using rainwater, including the rainwater and improving the durability of the road surface.

In addition, in order to achieve the second object of the present invention, the present invention comprises the steps of detecting a fire on the top of the bridge by the fire sensor; A road surface temperature sensor detecting a temperature of the road surface; Transmitting the data sensed by the fire sensor and the road surface temperature sensor to a controller; Analyzing the sensed data transmitted by the controller; Opening a first valve or a second valve according to an analysis result of the controller; Driving the feed pump at the same time as the controller opens the first valve or the second valve; As the control unit opens the first valve or the second valve, the rainwater of the water storage tank is transferred to a fire suppression passage or a road surface overheat prevention passage; And the step of spraying water transported through the fire suppression passage or road surface overheat prevention passage through a fire suppression injection section or a road surface overheat prevention injection section. to provide.

By using the system for the initial fire suppression of bridges and the durability improvement of bridge roads using rainwater according to the present invention, it is possible to anticipate the effects of reducing the casualties and property damages as the initial fire extinguishing is possible on the bridges. .

In addition, it is possible to obtain economic benefits by improving the durability of the bridge road surface by preventing overheating of the road surface due to the high temperature in summer as well as the initial fire suppression on the bridge.

In addition, by using the stormwater to improve the initial fire suppression and the durability of the road surface, it is composed of a simple structure that does not require a separate water supply, reducing the manufacturing cost and easy to install the initial fire suppression and bridge of the bridge The system which improved the road surface durability can be provided.

Hereinafter, with reference to the drawings will be described in detail the system and method using the same for the initial fire suppression of the bridge using the rainwater and durability of the road surface according to an embodiment of the present invention.

The present invention relates to a system that solves the problem of the durability of the bridge road surface due to high temperature in summer, as well as enabling the initial fire extinguishing of the upper part of the bridge by using the stored rainwater as water after storing the falling rainwater.

The system of the present invention having the technical features as described above detects the presence or absence of fire on the top of the bridge, the fire suppression unit for the initial fire extinguishing when the fire occurs, the temperature of the road surface of the bridge, the road surface to cool the overheated road surface Water storage tank to store rainwater used for overheat protection, fire suppression and road surface overheat protection, control unit for analyzing the sensing temperature transmitted from fire suppression and road overheat protection, water in storage tank for fire suppression and Water supply pump driven under the control of the control unit so as to flow into the road surface overheat protection unit, and the fire suppression unit and road surface overheating prevention so that water from the water storage tank can flow into the fire suppression unit and road surface overheat prevention unit by the water pump It includes a water supply passage connecting the part to the reservoir tank.

Hereinafter, each component will be described in detail with reference to the accompanying drawings.

1 is a schematic configuration diagram for explaining a system for improving the initial fire suppression of the bridge using the rainwater and durability of the road surface according to an embodiment of the present invention.

Referring to Figure 1, the system for the initial fire suppression of the bridge using the rainwater according to the present embodiment and the durability of the bridge road surface includes a fire suppression unit (100).

The fire suppression unit 100 detects the presence of a fire on the bridge (10). And when a fire occurs in the upper part of the bridge serves as an initial fire suppression.

For this purpose, the fire suppression unit 100 includes a fire detection sensor 110, a fire suppression passage 120, a fire suppression injection unit 130, and a first valve 140.

The fire sensor 110 serves to detect a fire generated from the upper bridge. For this purpose, the fire sensor 110 is preferably located on the bridge. Fire detection information through the fire detection sensor 110 is transmitted to the controller to be described later.

More specifically, it may be desirable to locate the bridge railing adjacent to the point of ignition generated on the bridge. And it is preferable that the plurality of the fire detection sensor 110 located in the bridge railings is formed in the longitudinal direction of the bridge railings.

In addition, it may be located anywhere as long as it can detect the fire occurring on the bridge.

In addition, the fire detection sensor 110 may use a fire detection sensor capable of detecting a fire, or may use a temperature sensor for detecting heat generated by a fire. In addition, any sensor capable of detecting a fire occurring on a bridge may be used. An example would be a sensor that detects smoke generated in a fire.

In addition, the fire suppression flow path 120 is a flow path through which water for initial suppression of fire generated in the upper portion of the bridge flows. For this purpose, the fire suppression passage 120 may be formed in the longitudinal direction of the railing on the bridge railing. The water flowing in the fire suppression passage 120 is sprayed to the upper portion of the bridge, that is, the ignition point through the fire suppression injection unit 130.

The fire suppression injection unit 130 is formed in the fire suppression passage 120 and serves to spray water flowing in the fire suppression passage 120 to the ignition point generated in the upper portion of the bridge.

The fire suppression injection unit 130 is formed in the fire suppression passage 120, it is preferable to be formed in plurality in accordance with the initial design purpose. In addition, the fire suppression injection unit 130 may be formed intensively in the section where the fire may occur frequently on the bridge.

In addition, the fire suppression injection unit 130 is preferably such that the water is sprayed in a wide distribution in order to improve the effect of the fire suppression. To this end, the fire suppression injection unit 130 may include a plurality of injection nozzles (not shown) to spray water in various directions.

In addition, the fire suppression injection unit 130 may be formed in the fire suppression passage 120 in addition to the injection nozzle so that the direction can be adjusted. Furthermore, the fire suppression injection unit 130 may be formed to be capable of controlling the direction and the plurality of injection nozzles.

In addition, the first valve 140 serves to control the water flow into the fire suppression passage 120 from the water storage tank to be described later. To this end, the first valve 140 is preferably formed between the water supply passage to be described later and the fire suppression passage 120. In addition, the opening (opening) / closing control of the first valve 140 is controlled by a controller to be described later. In addition, the first valve 140 may be an electronic solenoid valve. In addition, the first valve 140 may use a manual on / off valve.

2 is an exemplary view of a fire suppression for explaining a system for improving the initial fire suppression of bridges and the durability of bridge road surfaces using rainwater according to an embodiment of the present invention.

Referring to FIG. 2, the fire detection sensor 110, the fire suppression passage 120, and the fire suppression injection unit 130 of the fire suppression unit 100 are formed in the longitudinal direction of the left and right railings of the bridge road surface 20. It would be desirable to.

And the system for the initial fire suppression of bridges and the durability improvement of the bridge road surface using the rain according to an embodiment of the present invention includes a road surface overheat prevention unit 200.

The road surface overheat prevention unit 200 detects the temperature of the road surface of the bridge. And when the bridge road surface overheating serves to cool the overheated road surface.

Referring to FIG. 1, the road surface overheat prevention unit 200 includes a road surface temperature sensor 210, a road surface overheat prevention flow path 220, a road surface overheat prevention injection unit 230, and a second valve 240. .

The road surface temperature sensor 210 serves to detect the temperature of the road surface of the bridge. To this end, the road surface temperature sensor 210 is preferably located on the bridge road surface. The temperature detected by the road surface temperature sensor 210 is transmitted to a controller to be described later.

In more detail, the position of the road surface temperature sensor 210 may be formed at the same position as the center line formed on the road surface of the bridge, or may be formed on the left and right sides of the road surface of the bridge. In addition, the road surface temperature sensor 210 may be selectively formed in one or more than one in the longitudinal direction of the bridge road surface. The number of road surface temperature sensor 210 may be formed differently depending on the initial design purpose.

The road surface heating prevention flow path 220 is a flow path through which water for cooling the heated road surface is heated. To this end, the road surface heating prevention passage 220 may be formed in the railing length direction at the same position as the center line formed on the bridge road surface. In addition, the road surface heating prevention passage 220 may be formed on the left and right sides of the bridge road surface, respectively. That is, the position of the road surface heating prevention flow path 220 may be selectively formed on the left and right sides of the center lane or the road surface according to the maximum design purpose. Furthermore, it may be formed at the left and right sides of the center lane and the road surface at the same time.

Water flowing in the road surface heating prevention flow path 220 is injected onto the road surface of the bridge through the road surface overheat prevention injection unit 230.

In addition, the road surface overheat prevention injection unit 230 serves to cool the overheated bridge road surface by spraying water flowing in the road surface overheat prevention flow path 220 onto the bridge road surface. do.

The road surface overheat prevention injection unit 230 may be formed in the road surface overheat prevention flow path 220, and may be formed in plural numbers according to an initial design purpose. In addition, the road surface overheat prevention injection unit 230 may be formed to be sprayed to the left and right on the same line on the basis of the road surface overheat prevention flow path 220 formed on the road surface center line to be evenly sprayed on the bridge road surface, The road surface overheat prevention flow path 220 may be formed in a state in which a predetermined distance is zigzag on left and right sides of the road surface overheat prevention flow path 220.

In addition, the road surface overheat prevention injection unit 230 may be formed to orient the center line so that water can be injected inward, that is, the center line direction in the road surface overheat prevention flow path 220 formed on the left and right sides of the bridge road surface.

In addition, the road surface overheat prevention spraying unit 230 is preferably to spray the water evenly on the road surface for effective cooling of the bridge road surface. To this end, the road surface overheat prevention injection unit 230 may include a plurality of injection nozzles (not shown) to spray water in various directions.

In addition, the road surface overheat prevention injection unit 230 may be formed in the road surface overheat prevention flow path 220 in addition to the injection nozzle so that the direction can be adjusted. Further, the road surface overheat prevention injection unit 230 may be formed to be able to adjust the direction and the plurality of injection nozzles.

In addition, the second valve 240 serves to control the water flow into the road surface overheat prevention flow path 220 from the water storage tank to be described later. To this end, the second valve 240 is preferably formed between the water supply passage to be described later and the road surface overheat prevention flow path 220.

In addition, the opening (opening) / closing control of the second valve 240 is controlled by a controller to be described later. In addition, the second valve 240 may be an electronic solenoid valve. In addition, the second valve 240 may use a manual on / off valve.

3 is an embodiment of a road surface overheat prevention unit for explaining a system for improving the initial fire suppression of bridges and the durability of the bridge road surface using rainwater in accordance with an embodiment of the present invention.

Referring to FIG. 3, the road surface overheat prevention unit 200 including a road surface temperature sensor 210, a road surface overheat prevention flow path 220, and a road surface overheat prevention injection unit 230 may include the road surface temperature sensor 210. Is formed in a state maintaining a predetermined interval at the center line position of the road surface (20). The road surface overheat prevention flow path 220 is formed at the center line and the left and right sides of the bridge road surface, respectively. In addition, the road surface overheat prevention injection unit 230 is formed in the left and right road direction while maintaining a predetermined interval in the road surface overheat prevention flow path 220 formed on the road surface center line to spray water. In addition, the road surface overheat prevention injection unit 230 is formed in the direction of the center line in the road surface overheat prevention flow path 220 formed on the left and right sides of the road surface to spray water.

And the system for the initial fire suppression of bridges and the durability of the bridge road surface using rainwater in accordance with an embodiment of the present invention includes a storage tank (300).

Referring to FIG. 1, the water storage tank 300 stores water used in the fire suppression unit 100 and the road surface overheat prevention unit 200.

The water stored in the storage tank 300 is preferably used to rain on the bridge.

The water storage tank 300 is preferably formed with a heat insulating material (not shown) to the inside to prevent the rain stored in the freezing weather in the winter below freezing. The heat insulator is to be formed on the inside of the water storage tank 300, it is not limited to this may be formed outside the water storage tank 300.

In addition, the water storage tank 300 may further form the heat insulating material, it may be a heat treatment coating the inside of the water storage tank (300). Insulating coating treatments may include, for example, ceramic insulating coatings.

Figure 4 is a schematic side view for explaining a system for improving the initial fire suppression and durability of the bridge road surface using the rainwater in accordance with an embodiment of the present invention.

Referring to FIG. 4, the water storage tank 300 may be formed near the left and right bridges in the longitudinal direction of the bridge 10, and more preferably, the water storage tank 300 may be positioned on the ground where the bridge starts. In more detail, the storage tank 300 collects rainwater falling on the bridge and uses the water as water, so that the rainwater falling on the bridge naturally flows into the water storage tank 300 by the height difference. The position may be preferably located at a position lower than the upper portion of the bridge, for example, in the vicinity of the bridge piers.

And the system for the initial fire suppression of bridges and the durability improvement of the bridge road surface using the rainwater according to an embodiment of the present invention includes a control unit 400.

FIG. 5 is a schematic block diagram illustrating a system for initial fire suppression of a bridge using rainwater and improving durability of the bridge road surface according to an embodiment of the present invention.

Referring to FIG. 5, the controller 400 analyzes the sensing temperature transmitted from the fire suppression unit 100 and the road surface overheat protection unit 200. In more detail, the control unit 400 receives detection data related to fire from the fire detection sensor 110 of the fire suppression unit 100. In addition, the road surface temperature sensor 200 receives the detection data related to the road surface temperature from the road surface temperature sensor 210.

The control unit 400 receives each of the received data and analyzes whether there is a fire and whether the road surface is overheated. To this end, the control unit 400 preferably includes reference comparison data for comparative analysis of each data received.

In more detail, the control unit 400 includes reference comparison data, and it may be preferable to extract data through several experiments suitable for the situation, respectively, which are the reference comparison data.

In addition, when it is determined that there is no fire occurrence and overheating of the road surface as a result of analysis of the transmitted sensing data, the controller 400 may be configured to continuously receive the sensing data without a subsequent control operation.

If it is determined that a fire or overheating of the road surface occurs as a result of the analysis of the detection data, it is necessary to respond to each situation.

That is, when it is determined that a fire has occurred as a result of the analysis, the control unit 400 controls (opens) the first valve 140 of the fire suppression unit 100 that extinguish the fire on the bridge and simultaneously drives the water supply pump described later. It plays a role.

Accordingly, the water stored in the water storage tank 300 flows into the first valve 140 and the fire entry flow path 120 of the fire suppression part 100, and the water flowed into the fire suppression flow path 120 is fire suppressed. It is injected onto the bridge through the injection unit 130 it is possible to extinguish the fire initially.

In addition, when it is determined that the bridge road surface is overheated, the controller 400 controls (opens) the second valve 240 of the road surface overheat prevention unit 200 that cools the bridge road surface. At the same time it serves to drive the water supply pump to be described later.

Accordingly, the water stored in the water storage tank 300 flows into the second valve 240 and the road surface overheat prevention flow path 220 of the road surface overheat prevention part 200, and flows into the road surface overheat prevention flow path 220. Is sprayed onto the bridge road surface through the road surface overheat prevention injection unit 230 to cool the overheated road surface.

In addition, when the fire on the bridge and the overheating of the road surface at the same time as a result of the analysis of the control unit 400, the first valve 140 and the second valve 240 is opened at the same time water is the fire suppression unit 100 And it may be to be introduced into the road surface overheat prevention unit 200 at the same time.

In addition, the control unit 400 controls the water supply pump to cool the overheated road surface, except for the minimum amount of water used for extinguishing fire generated on the bridge is the amount of water stored in the water storage tank 300 It is desirable to control the feed water pump within the range. For this purpose, it may be desirable to extract the minimum amount of water to extinguish the fire generated on the bridge, that is, the minimum amount of water for the fire extinguishing considering the length and width of the bridge.

The water pump control operation of the control unit 400 is the initial suppression of the fire generated on the bridge bar, when a large amount of water is consumed in order to improve the durability of the road due to this on the bridge This is to prevent the initial extinguishing of fire in case of fire.

And the system for the initial fire suppression of bridges and the durability improvement of the bridge road surface using the rainwater according to an embodiment of the present invention includes a water supply pump 500 and the water supply flow path (600).

Referring to FIG. 1, the water supply pump 500 is driven under the control of the control unit 400 so that water from the water storage tank 300 may flow into the fire suppression unit 100 and the road surface overheat prevention unit 200. do.

That is, as a result of analyzing based on the sensed data transmitted from the control unit 400, when the fire or road surface overheating of the bridge occurs, the water stored in the water storage tank 300, the fire suppression unit 100 or road surface overheating It is driven under the control of the controller 400 to be introduced into the prevention unit 200.

In addition, the water supply passage 600 allows the water of the water storage tank 300 to flow into the fire suppression unit 100 and the road surface overheat protection unit 200 by driving the water supply pump 500. To this end, the water supply passage 600 is preferably formed between the fire suppression unit 100 and the road surface overheat prevention unit 200 and the water storage tank 300.

More specifically, one side of the water supply passage 600 is connected to the water storage tank 300, and the other side of the first valve 140 and the road surface overheat prevention unit 200 of the fire suppression unit 100 It is preferable that each of the two valves 240 is connected.

To this end, the other side of the water supply passage 600 (parts connected to the first valve 140 and the second valve 240) is preferably formed in two parts.

And the system for the initial fire suppression of bridges and the durability of the bridge road surface using rainwater according to an embodiment of the present invention further includes a drain pipe 700, the discharge passage 800, and the purifier 900.

Referring to FIG. 1, the drain pipe 700 serves to allow the water injected through the fire suppression injection unit 130 and the road surface overheat prevention injection unit 230 to be re-introduced into the water storage tank 300. . To this end, the drain pipe 700 is preferably formed in the longitudinal direction of the bridge on the left and right side surface on the bridge. The plurality of drain pipes 700 formed in the longitudinal direction of the bridge is preferably formed to be connected to the storage tank 300.

And the discharge passage 800 serves to adjust the amount of running water stored in the reservoir tank 300.

More specifically, the water stored in the water storage tank 300 uses rainwater falling on the bridge, and the water stored in the water storage tank 300 is sprayed for fire suppression or cooling of the road surface, and then again stored in the water storage tank 300. As rainwater continues to fall, the rainwater is continuously filled with water in the storage tank 300 so that no further rainwater can be introduced into the storage tank 300 through the drain pipe 700.

In order to prevent such a situation, it is preferable to allow the excess water to be naturally discharged through the discharge passage 800 when the amount of water stored in the storage tank 300 exceeds the initial set amount.

To this end, the discharge passage 800 is preferably formed in the upper portion of the water storage tank (300). The upper position of the reservoir tank 300 may be set differently depending on the initial design purpose.

In addition, the purification device 900 serves to purify the water naturally discharged through the discharge flow path (800). That is, in the case of water naturally discharged from the water storage tank 300 may be pure rainwater, but after being injected into the upper portion of the bridge, may be included in the water re-introduced into the water storage tank 300, the water re-introduced This is to purify possible impurities so that clean water is discharged under the bridge.

And the present invention provides a method for improving the durability of the initial fire suppression and bridge road surface of the upper bridge using rainwater. Hereinafter, descriptions of parts common to the description of the system for the initial fire suppression of the upper part of the bridge using the rainwater and the durability of the bridge road surface will be omitted or abbreviated.

FIG. 6 is a flowchart illustrating a method for improving initial fire suppression and durability of a bridge road surface using rainwater according to an embodiment of the present invention.

Referring to Figure 6, the initial fire suppression of the bridge using the rain of the present invention and the durability improvement method of the road surface, the fire sensor step of detecting a fire on the upper bridge (S100); A step of detecting a temperature of a road surface by a road temperature sensor formed at the same time as the fire detection step (S150); Transmitting the data sensed by the fire sensor and the road surface temperature sensor to a control unit (S200); Analyzing each detected data transmitted from the control unit (S250); Opening the first valve or the second valve according to an analysis result of the controller (S300); Driving the water supply pump at the same time as the control unit opens the first valve or the second valve (S350); Transferring the water of the water storage tank to the fire suppression flow path or the road surface overheat prevention flow path as the controller opens the first valve or the second valve (S400); And spraying the water transferred through the fire suppression flow path or the road surface overheat prevention flow path through the fire suppression injection part or the road surface overheat prevention injection part (S450).

The step S350 drives the water supply pump under the control of the control unit, and the fire suppression flow path through the first valve during the drive control of the water supply pump to transfer water from the water storage tank to the road surface overheat prevention flow passage through the second valve in the control unit. It is desirable to drive control while leaving a minimum amount of water to be transferred.

And the method for improving the initial fire suppression and durability of the bridge road surface using the rainwater in accordance with an embodiment of the present invention is the step of re-introducing the water sprayed through the fire suppression injection unit or road surface overheat prevention injection unit into the water storage tank through the drain pipe (S500), if the water stored in the water storage tank exceeds a predetermined reference amount is the excess water discharged to the outside of the water storage tank (S550), and after the water discharged to the outside of the water storage tank is purified through a water purification device Further, the step (S600) is discharged to the lower bridge.

While the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

1 is a schematic configuration diagram for explaining a system for improving the initial fire suppression of the bridge using the rainwater and durability of the road surface according to an embodiment of the present invention.

2 is an embodiment of the fire suppression unit for explaining a system for improving the initial fire suppression and durability of the bridge road surface using the storm according to an embodiment of the present invention.

3 is an embodiment of a road surface overheat prevention unit for explaining a system for improving the initial fire suppression of bridges and the durability of the bridge road surface using rainwater in accordance with an embodiment of the present invention.

Figure 4 is a schematic side view for explaining a system for improving the initial fire suppression and durability of the bridge road surface using the rainwater in accordance with an embodiment of the present invention.

FIG. 5 is a schematic block diagram illustrating a system for initial fire suppression of a bridge using rainwater and improving durability of the bridge road surface according to an embodiment of the present invention.

FIG. 6 is a flowchart illustrating a method for improving initial fire suppression and durability of a bridge road surface using rainwater according to an embodiment of the present invention.

Brief description of the main parts of the drawing

100: fire suppression unit 110: fire detection sensor

120: fire extinguishing flow path 130: fire suppression injection unit

140: first valve 200: road surface overheat protection

210: road surface temperature sensor 220: road surface overheat prevention flow path

230: road surface overheat prevention injection unit 240: second valve

300: storage tank 400: control unit

500: feed water pump 600: feed water passage

700: drain pipe 800: discharge flow path

900 purification device

Claims (10)

Fire suppression unit for detecting the presence of fire on the upper portion of the bridge, the initial fire extinguishing when the fire occurs; A road surface overheat prevention unit configured to sense a temperature of a road surface of a bridge and to cool the road surface that is overheated when the road surface is overheated; A water storage tank for storing rainwater used in the fire suppression unit and road surface overheat prevention unit; A control unit for analyzing a detection temperature transmitted from the fire suppression unit and the road surface overheat prevention unit; A water supply pump driven under the control of the controller so that water from the water storage tank flows into the fire suppression unit and the road surface overheat prevention unit; And A water supply passage connected between each of the fire suppression unit and the road surface overheat prevention unit and the water storage tank so that water of the water storage tank may flow into the fire suppression unit and the road surface overheat prevention unit by driving the water supply pump; System for the early fire suppression of bridges and the durability of bridge road surface using rainwater. According to claim 1, wherein the fire suppression unit A fire sensor formed on the bridge to detect a fire generated from the upper portion of the bridge; Fire extinguishing flow path flows inside the water for the initial suppression of the fire generated on the bridge; A plurality of fire suppression injection units formed in the fire suppression passage to inject water for initial fire suppression when a fire occurs in an upper portion of a bridge; And System for the initial fire suppression of the upper part of the bridge using rainwater and the durability of the bridge road surface using a fire suppression flow passage for controlling water flow into the fire suppression flow passage from the water storage tank and the water supply flow passage . According to claim 1, wherein the road surface overheat prevention unit A road surface temperature sensor formed on the road surface to sense the temperature of the road surface of the bridge; A road surface overheat prevention flow path through which water for cooling the overheated road surface flows when the bridge road surface is overheated; A plurality of road surface overheat prevention injection parts formed in the road surface overheat prevention flow path to inject water for cooling the overheated road surface when a bridge road surface is overheated; And Improve the initial fire suppression of the bridge upper part and the durability of the bridge road surface using rainwater including a road overheat prevention flow passage for controlling water flow into the road surface overheat prevention flow passage from the water storage tank and a second valve formed between the water supply flow passage. System. The method of claim 1, A discharge flow path formed at an upper portion of the storage tank so as to adjust an amount of water stored in the storage tank; And The system for improving the durability of the initial fire suppression and bridge road surface of the upper bridge using rainwater, characterized in that it further comprises a purifying device for purifying the water discharged through the discharge passage to discharge the purified water to the lower bridge. According to claim 1, wherein the water storage tank The system for the initial fire suppression of the upper part of the bridge using rainwater and the durability of the bridge road surface further comprises a heat insulating material to the inside to prevent freezing of the stored water. The method of claim 1, wherein the control unit While controlling the driving of the water supply pump so that the water of the water storage tank to the fire suppression unit and road surface overheat prevention unit, respectively, Calculate the minimum amount of water for initial fire suppression at the top of the bridge, Initial fire suppression of the upper part of the bridge using the rain and the road surface control characterized in that the drive control while leaving the minimum amount of water for the calculated fire suppression when the water supply pump for cooling the road surface through the road surface overheat protection unit System for increased durability. The method according to claim 2 or 3, Initially the upper portion of the bridge using rainwater, characterized in that it further comprises drain pipes respectively formed on the upper left and right sides of the bridge so that the water sprayed through the fire suppression injection unit and the road surface overheat prevention injection unit can be re-introduced into the water storage tank System for fire suppression and durability of bridge road surface. Detecting, by the fire sensor, a fire on the upper portion of the bridge; A road surface temperature sensor detecting a temperature of the road surface; Transmitting the data sensed by the fire sensor and the road surface temperature sensor to a controller; Analyzing the sensed data transmitted by the controller; Opening a first valve or a second valve according to an analysis result of the controller; Driving the feed pump at the same time as the controller opens the first valve or the second valve; As the control unit opens the first valve or the second valve, the rainwater of the water storage tank is transferred to a fire suppression passage or a road surface overheat prevention passage; And The method of improving the durability of the initial fire suppression and the road surface of the bridge using rainwater comprising the step of spraying the water transported through the fire suppression passage or road surface overheat prevention flow passage through the fire suppression injection unit or road surface overheat prevention injection unit. The method of claim 8, Re-introducing the water sprayed through the fire suppression injection unit or the road surface overheat prevention injection unit into the water storage tank through the drain pipe; Discharging excess water to the outside of the water storage tank when the water stored in the water storage tank exceeds a predetermined reference amount; And After the water discharged to the outside of the water tank is purified through the water purification device, the step of discharging to the lower portion of the bridge further comprising the step of the initial fire suppression and durability of the bridge road surface using the rainwater. The method of claim 8, The control unit controls to drive while leaving the minimum amount of water transferred to the fire suppression flow path through the first valve during the drive control of the water supply pump to transfer the water of the water storage tank to the road surface overheat prevention flow passage through the second valve. How to improve the initial fire suppression and bridge road surface durability of the upper portion of the bridge using the rainwater.

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