KR101658935B1

KR101658935B1 - Fire fighting sprinkler of apartment house

Info

Publication number: KR101658935B1
Application number: KR1020160066523A
Authority: KR
Inventors: 진종신
Original assignee: 현대공영(주)
Priority date: 2016-05-30
Filing date: 2016-05-30
Publication date: 2016-09-22

Abstract

The present invention relates to a fire fighting sprinkler system for a building, comprising an outflow head coupled to a water outlet pipe rotatably installed in a cold / hot water mixing header provided with a solenoid valve for kitchen water supply, a rotating means for rotating the water outlet pipe, And when the fire occurs in the gas range close to the sink, the tap water is sprayed toward the gas range, and the water is sprayed toward the gas range at the beginning of the fire So that the fire can be more effectively evolved by operating in a swing mode in which the gas is sprayed toward the gas range and the exhaust hood and can be quickly and easily installed at a low cost in the kitchen water supply.

Description

{Fire fighting sprinkler of apartment house}

The present invention relates to a fire-extinguishing sprinkler apparatus for a building, and more particularly, to a fire-fighting sprinkler apparatus for a building, which can be used in a direct-water mode or a shower mode toward a sink of a sink in a normal state, The water is sprayed in a shower mode for spraying tap water toward the gas range so as to be able to evolve at the beginning of the fire, and in a swing mode in which the water is sprayed toward the gas range and the exhaust hood, To a fire-fighting sprinkler device for a building which can be quickly and easily installed at a low cost.

In general, the evolution of fire in buildings can be divided into fire extinguishing, fire hydrant, fire truck and fire brigade, and sprinkler.

Evolution due to fire extinguishment and fire hydrant evolves when a fire occurs in a building, and the occupant evolves using fire extinguishers or fire hydrants, which is effective for early evolution. However, depending on the occupant's age or fire training, fire extinguishers or fire hydrants If you can not use it, it becomes useless.

Evolution by fire trucks and firefighters is difficult to evolve as early as the time it takes for fire trucks and firefighters to reach fire sites after a fire occurs and a fire report is received.

On the other hand, each fire brigade emphasizes the evolution of the fire early, and is aiming at evolving within 5 to 10 minutes called "Golden Golden Time". However, due to traffic conditions and illegal parking, The time required is getting longer.

As shown in Fig. 8, the fire-fighting sprinkler system of the conventional structure comprises a digestion water storage tank 1, a primary pipe 2 connected to the water storage tank 1 and equipped with an inlet pipe arranged in the pipe duct, A secondary piping 4 connected to the pipeline 2 through an opening and closing valve 3 and installed in the ceiling and a sprinkler head 5 installed in the secondary piping 4 and exposed in the ceiling, The pipe 2 has a structure in which a pressure pump 6 and a pressure tank 7 for pumping water in the water storage tank 1 are provided.

When a fire is detected by a fire detector, the fire-fighting sprinkler system of such a building is supplied with fire water into the first pipe 2 and filled with water, and the opening / closing valve 3 is opened to supply the second pipe 4 with the fire- However, when the fuse (not shown) provided in the sprinkler head 5 normally reaches 100 degrees Celsius or more, the water is sprayed only after it melts and falls off. Therefore, when a fire occurs in the gas range, There is a problem that the fire spreads.

In addition, since the water to be sprayed in the sprinkler head 5 is diffused by a deflector (not shown), there is a problem that initial fire is not achieved because the fire water is not injected intensively on the ignition point, that is, the gas range.

In addition, the exhaust hood installed on the upper part of the gas range is a part where oil components generated during the cooking process are adhered and fire is likely to spread rapidly on the exhaust duct. In the conventional sprinkler head, There is a problem that the spread of the fire can not be prevented because the hood is not sprayed.

In addition, in order to extinguish a fire generated from a gas range, when a sprinkler dedicated to the evolution of a gas range is installed, the sprinkler head is installed and the ceiling half is reinstalled after lifting the ceiling half, It is difficult to set the installation position of the sprinkler head dedicated to the evolution of the gas range fire because the operation is very troublesome and takes a lot of time and expense and the exhaust hood is installed at the upper part of the gas range. There is a problem that the fire generated in the exhaust hood can not be evolved even when installed.

On the other hand, kitchen furniture and electronic products are provided around the gas range, and when digestion water is sprayed from the sprinkler head dedicated to the evolution of the gas range fire, since the digestion water is sprayed not only on the gas range but also on the surrounding kitchen furniture and electronic products, And flooding damage of electronic products.

As a prior art, there have been proposed a wet sprinkler device (hereinafter referred to as "Prior Art 1") and a Korean Registered Patent No. 10-0500362 (registered on Jun. 30, 2005) of Korea Registered Patent No. 10-0434984 (Hereinafter referred to as " Prior Art 2 ") of the " generation piping installation structure of the apartment house sprinkler fire extinguishing facility ".

However, the prior art fails to solve the above-mentioned conventional problems because the fire extinguishing water is not injected intensively on the gas range and is not sprayed on the exhaust hood.

Therefore, when a fire occurs in the gas range installation area of a kitchen in a multi-family house, the fire water is intensively injected into the gas range so that it can evolve clearly in the early stage of the fire occurrence. It is required to develop a technique for minimizing the installation cost and enabling quick and simple installation at a low cost.

Korean Registered Patent No. 10-0434984 (registered on May 28, 2004) "Wet sprinkler device" Korea Registered Patent No. 10-0500362 (Registered on June 30, 2005) "Generation piping installation structure of apartment house sprinkler fire extinguishing facility"

Therefore, it is an object of the present invention to provide a fire extinguisher which can be used in a direct water mode or a shower mode toward the sink of a sink in a normal state, and when a fire occurs in a gas range close to a sink, A fire sprinkler for a building that can evolve at an early stage and act in a swing mode for spraying toward a gas range and an exhaust hood so that the fire can be more effectively evolved and can be quickly and easily installed at a low cost in a kitchen water supply Device.

According to an aspect of the present invention, there is provided a refrigerator including a sink having a reservoir in a space defined by a front wall and a sidewall, a gas reservoir on which a gas range is mounted, an exhaust hood on an upper portion of the gas reservoir, The kitchen water supply system includes a cold water supply pipe and a hot water supply pipe protruding through a front wall, a cold water pipe connected to the cold water supply pipe, and a hot water supply pipe connected to the hot water supply pipe, And a hot water control knob installed in the cold / hot water mixing header for controlling a mixing ratio of cold water and hot water, a hot water control knob for opening and closing the water pipe, A horizontal connection portion connected to the solenoid valve so as to be rotatable about a horizontal axis in the forward and backward direction, In and comprising a water outlet pipe provided with vertically extending portion is bent downward to form, coupled to the water outlet pipe and a water outlet head for the cold water outflow pipe and / or hot water to the water stream or spray forms; A rotating means for rotating the water pipe and the head of the head in a normal mode toward the sink and in an evolution mode toward a gas range when a fire occurs; And a control means for controlling the rotating means, wherein the head head is connected to a vertically extending portion of the water pipe and extends in a downward direction to form a bell shape and has a lower end opened, A water outlet plate coupled to a lower end of the head body and having a direct water hole formed at the center and a plurality of water spray holes formed around the straight water hole; an outflow selecting lever installed to be horizontally rotatable on the lower face of the water outlet plate; And an open / close plate stopper for stopping the open / close plate in a state where the open / close plate is closed at one side of the linear hole of the water outlet plate, the open / close plate being integrally formed with the outflow selection lever and opening / And a permanent magnet attracted to each other is embedded in the open / close plate and the open / close plate stopper, And a driven gear coupled to an outer periphery of a horizontal connection portion of the water pipe to engage with the driving gear. The driving gear includes a driving gear mounted inside the housing, a driving gear fixed to a motor shaft of the driving motor, And the control means outputs a normal mode control command to the drive motor in a normal state in which no fire has occurred, and a normal mode control command to the smoke detector A control unit for outputting a fire evolution mode control command for the drive motor and outputting an open control command for the solenoid valve when a fire detection signal is input; And outputs a normal mode driving signal to the driving motor in accordance with a fire evolution mode control command of the control unit. A driving motor driving unit for outputting a fire evolution mode driving signal and an electromagnetic valve driving unit for sending an opening driving signal to the solenoid valve in response to an opening control command of the control unit do.

According to the fire-fighting sprinkler apparatus of the present invention, the water-discharging head is coupled to the water-cooling pipe rotatably installed in the cold / hot water mixing header equipped with the solenoid valve for the kitchen water supply. The rotary water- And can be used in a direct water mode or a shower mode toward the sink of the sink in normal times. When a fire occurs in the gas range close to the sink, tap water is sprayed toward the gas range to evolve at the beginning of the fire In addition, it operates in a swing mode in which it is sprayed toward the gas range and the exhaust hood, so that the fire can be more effectively evolved and the kitchen water supply can be quickly and easily installed at a low cost.

1 to 7 show a preferred embodiment of a sprinkler system for fire fighting buildings according to the present invention,
1 is a perspective view of a kitchen in which the apparatus of the present invention is installed,
2 is a perspective view of a kitchen water supply system equipped with the apparatus of the present invention,
3 is an exploded perspective view of the kitchen water supply and the apparatus of the present invention,
4 is a perspective view showing the running mode,
5 is a perspective view showing a spraying mode,
6 is a perspective view of the kitchen showing the fire evolution mode,
7 is a functional block diagram of the control means,
8 is a schematic view of a conventional sprinkler device.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A fire-extinguishing sprinkler system for a building according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 7 show a preferred embodiment of a sprinkler system for building fire protection according to the present invention.

The sprinkler system for a building according to the present embodiment includes a sink 10 having a water tank 11 in a space defined by a front wall W1 and a side wall W2 and a gas bag 10 And a gas hood 30 is provided at an upper portion of the gas pedestal 20 and is applied to a kitchen provided with a kitchen water supply outlet 100 provided in the front wall W1.

The kitchen water supply system 100 includes a cold water supply pipe 101 and a hot water supply pipe 102 protruding through the front wall W1, a cold water pipe 111 connected to the cold water supply pipe 101, And an electromagnetic valve 120 installed in the cold / hot water mixing header 110 for opening and closing the cold water and the hot water. The electromagnetic valve 120 is connected to the cold / hot water mixing header 110, (130) having a horizontal connection part (131) rotatably connected to a front-rear direction horizontal axis and a vertical extension part (132) bent downward at a horizontal connection part (131) .

The cold water supply pipe 101, the cold water pipe 111, the hot water pipe 102 and the hot water pipe 112 are formed by machining a male screw portion by dies used in a normal piping operation, (113, 114).

The solenoid valve 120 can use a conventional solenoid valve having an opening / closing function of the cold water pipe 111 and the hot water pipe 112, a function of controlling the mixing ratio of the cold water and the hot water, and an opening / closing function of the water pipe 130 And a detailed illustration and description of its internal structure will be omitted.

The electromagnetic valve 120 is provided with a cold water control knob 121 and a hot water control knob 122 for controlling the mixing ratio of cold water and hot water and an opening and closing knob 123 for opening and closing the water pipe 130.

A rotating support part 115 is formed on the front surface of the cold / hot water mixing header 110 to connect the horizontal connection part 131 of the water pipe 130 to the cold / hot water mixing header 110 in a rotatable manner, The horizontal connection part 131 can be inserted into the rotation support part 115 so as to be rotatable but not to be detached. However, since the horizontal connection portion 131 is rotatable with respect to the rotation support portion 115 and is not separated from the rotation support portion 115, it is a typical construction, and thus a detailed description thereof will be omitted.

Further, although illustration and description of some specific configurations of the kitchen water supply system 100 are omitted, the above-described kitchen water supply system 100 is installed in a sink of a typical kitchen, so that a person skilled in the art can fully understand it.

The sprinkler system for fire fighting buildings according to the present invention comprises an outflow head 200 coupled to the outflow pipe 130 for discharging cold water and / or hot water in a direct or sprinkled form; A rotating means 300 for rotating the water pipe 130 and the head 200 in a normal mode toward the sink 11 and in an evolution mode toward the gas range 21 when a fire occurs; And control means (400) for controlling the rotation means (300).

The head head 200 includes a head body 210 connected to the vertical extension 132 of the water pipe 130 and extending downward to form a bell and having a lower end opened, A water outlet plate 220 coupled to the lower end opening of the head body 210 and having a straight hole 221 formed at the center and a plurality of water spray holes 222 formed around the straight hole 221, An outflow selection lever 230 installed to be rotatable horizontally on the lower surface of the plate 220 and an open / close plate 240 formed integrally with the outflow selection lever 230 to open / close the straight flow hole 221 .

The head head main body 210 has a connecting pipe portion 211 into which a vertical extension portion 132 of the water outlet pipe 130 is inserted and a male screw portion 212 is formed on the outer peripheral surface of the connecting pipe portion 211 And the tightening ring 213 formed on the inner circumferential surface of the female threaded portion 214 corresponding to the male threaded portion 212 is fastened and tightened so as to be fixedly connected to the vertical extended portion 132 of the water outlet pipe 130.

At this time, a ring-shaped packing (not shown) for preventing water leakage may be inserted between the connection tube portion 211 and the vertical extension portion 132.

A plurality of (four in the figure) screw bosses 215 are formed in the head head body 210 and a screw 216 passing through the water guiding plate 220 is fastened to the screw boss 215 So that the head plate 220 can be fixedly coupled to the head head body 210.

The outflow selection lever 230 is formed with a support hole 231 and a screw boss 223 protruding from the lower surface of the outflow plate 220 is inserted into the support hole 231. The screw boss 223 is screwed into the screw boss 223 232 and the head of the screw 232 are brought into contact with the lower surface of the outflow selection lever 230 so that the outflow selection lever 230 can be rotatably mounted on the outflow plate 220.

An opening and closing plate stopper 224 for stopping the opening and closing plate 240 in a state where the opening and closing plate 240 closes the linear hole 221 is formed at one side of the linear hole 221 of the water outlet plate 220.

The permanent magnets M1 and M2, which attract each other, are buried in the open / close board 240 and the open / close board stopper 224.

The outflow selection lever 230 and the opening and closing plate 240 are opened and closed by the weight of the opening and closing plate 240 in a state where the water outlet pipe 130 and the water outlet head 200 are rotated toward the gas range 21 The permanent magnet M1 is attached to the opening / closing plate 240 so as to smoothly rotate the opening / closing plate 240 by adding weight to the weight of the opening / closing plate 240, Closing plate 240 is prevented from flowing due to the attraction force with the permanent magnet M2 buried in the open / close plate stopper 224 in the state where the open / close plate stopper 224 is closed while closing the straight hole 221 .

The rotation unit 300 includes a housing 310 mounted on the cold / hot water mixing header 110, a driving motor 320 mounted in the housing 310, And a driven gear 340 coupled to an outer circumferential portion of the horizontal connection portion 131 of the water pipe 130 and engaged with the driving gear 330.

The housing 310 may be divided into two and coupled by a coupling screw 317. The housing 310 includes a first housing 310A having a through boss 311 for receiving a coupling screw 317 and a first housing 310A having a screw boss 312 to which the coupling screw 317 is coupled 310B.

The first and second housings 310A and 310B are provided with cutouts 313 and 314 for exposing the solenoid valve 120 and a cutout portion for allowing the horizontal connection portion 131 of the water outlet pipe 130 to pass therethrough. (315, 316) are formed.

The driving motor 320 is installed horizontally from the bottom of the cold / hot water mixing header 110 toward the front and rear. A motor base (not shown) may be formed at one end of the drive motor 320 to mount the drive motor 320 on the housing 310 and a screw passing through the motor base may be fastened to the housing 310.

The drive gear 330 and the driven gear 340 are connected to the horizontal connection portion 131 of the motor shaft 321 and the water outlet pipe 130 by a common shaft and gear coupling method such as a key or a spline Can be combined.

The control means 400 includes a fire sensor 410 installed on the lower surface of the exhaust hood 30 to detect a fire generated in the gas range 21 and a control means And outputs a fire evolution mode control command for the drive motor 320 when a fire detection signal is input by the fire sensor 410. In addition, A normal mode driving signal for the driving motor 320 according to a normal mode control command of the control unit 420 and outputs a normal mode driving signal to the control unit 420, A drive motor driving unit 430 for outputting a fire evolution mode drive signal for the drive motor 320 in accordance with an instruction of the control unit 420 and an open drive signal for the solenoid valve 120 according to an open control command of the control unit 420 The solenoid valve It is configured to include the East 440. The

A charging device and a rechargeable battery may be provided to supply power necessary for the solenoid valve 120, the driving motor 320, and the control means 400 so that the rechargeable battery can be charged using the commercial power source of the building. have.

The charging device and the rechargeable battery may be installed in the housing 310.

Hereinafter, the operation of the fire fighting sprinkler system of the building according to the present embodiment will be described.

Since the fire detection signal is not inputted from the fire detector 410 in the normal state when no fire occurs in the gas range 21, the control unit 420 outputs the normal mode control command, The normal mode driving signal for the motor 320 is transmitted, and the driving motor 320 is maintained in the normal mode.

At this time, the control unit 420 stores the position of the rotor (not shown) of the drive motor 320 at the time of initial installation as the origin, so that the drive motor 320 is stopped from the origin by the normal mode control command and the normal mode drive signal. It is possible to maintain the state in which the data is stored.

1), the user of the kitchen water supply apparatus 100 turns the water supply selection lever 230 to the left or right to change the water supply mode to the water supply mode You can choose.

4, when the outflow selection lever 230 is turned to the left, the outflow selection lever 230 rotates about the support hole 231 and the screw boss 223, The opening and closing plate 240 integrally formed with the water supply pipe 230 opens the linear hole 221 of the water outlet plate 220 so that tap water exiting from the water outlet pipe 130 flows through the water line hole 221 ) To a straight-ahead state.

5, when the outflow selection lever 230 is turned to the right, the outflow selection lever 230 rotates around the support hole 231 and the screw boss 223, The opening and closing plate 240 formed integrally with the water outlet 230 closes the straight hole 221 of the water outlet 220 so that the tap water coming out of the water outlet pipe 130 flows through the straight hole 221 And is allowed to head out to the water line 11 through a plurality of water spray holes 222 without watering.

Therefore, the kitchen water supply system 100 can be used in a usual way in a normal time when no fire occurs.

When a fire occurs in the gas range 21, the smoke detector 410 installed in the exhaust hood 30 senses the fire and transmits the fire to the control unit 420. The control unit 420 controls the operation of the driving motor 320 A fire evolution mode control command is outputted and the drive motor drive unit 430 sends a fire evolution mode drive signal for the drive motor 320 so that the drive motor 320 rotates clockwise in the drawing.

As a result, the motor shaft 321 and the driving gear 330 rotate clockwise, the driven gear 340 engaged with the driving gear 330 rotates counterclockwise, and the driven gear 340 is coupled The water outlet 130 is rotated in the counterclockwise direction so that the water outlet 200 connected to the vertical extension 132 of the water outlet 130 faces the gas range 21 (see FIG. 6).

At this time, the opening / closing plate 240 is rotated downward about the support hole 231 and the screw boss 223 by the weight of the permanent magnet M1 embedded in its own weight to close the linear hole 221, And is held by the plate stopper 224 so as to close the linear hole 221 (see FIG. 5).

Since the permanent magnets M1 and M2 are embedded in the open / close board 240 and the open / close board stopper 224, the open / close board 240 is moved to the open / close board stopper 224 by the attraction force of the permanent magnets M1 and M2 The threaded hole 221 is maintained in the closed state.

At the same time, the control unit 420 outputs an open control command to the solenoid valve 120, and the cold water and / or hot water supplied from the cold water supply pipe 101 and the hot water supply pipe 102, The water is introduced into the cold / hot water mixing header 110 through the cold water pipe 111 and / or the hot water pipe 112 and then exits through the water pipe 130 and then into the head water main body 210 of the water head 200 And the straight hole 221 is closed by the opening / closing plate 240, so that it is sprayed toward the gas range 21 through the spray hole 222 (see FIG. 6).

Here, in the fire evolution mode, the solenoid valve 120 can be controlled to be opened by a control command by the control unit 420 and a drive signal of the drive motor drive unit 430 regardless of whether the open / close knob 123 is opened or closed .

Therefore, the tap water is sprayed toward the gas range 21 before the sprinkler device installed in the building is operated, so that the fire can be evolved at the early stage of the fire, thereby preventing the spread of the fire and minimizing the damage caused by the fire .

The water spraying hole 222 of the water outlet plate 220 is constructed so that tap water to reach the gas range 21 and the exhaust hood 30 can reach the exhaust hood 30 ) Can also evolve.

The control unit 420 swings the head 200 between the state in which the head 200 faces the gas range 21 and the state in which the head 200 faces the exhaust hood 30 by rotating the drive motor 320 up and down in the control of the fire evolution mode, So that not only the fire generated in the gas range 21 but also the fire generated in the exhaust hood 30 can be effectively evolved in the early stage.

The tap water sprayed from the water spray hole 222 of the water outlet plate 220 is sprayed toward the gas hood 21 and the exhaust hood 30 installed close to the side wall W2 of the kitchen, It is possible to minimize flood damage caused by tap water sprayed with electronic products.

Further, since the device according to the present invention is installed in a kitchen water supply system, it is possible to quickly and easily install the sprinkler device in a building having no sprinkler device installed therein, at a low cost, Can evolve.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

10: sink 11: sink
20: Gas stand 21: Gas range
30: Exhaust hood 100: Kitchen water supply
101: cold water supply pipe 102: hot water supply pipe
110: cold / hot water mixing header 111: cold water tube
112: Hot water pipe 115:
120: valve 121: cold water control knob
122: hot water control knob 123: opening / closing knob
130: Water pipe 131: Horizontal connection
132: vertical extension part 200: heading head
210: head head body 220:
221: Direct water hole 222: Water spray hole
223: screw boss 224: opening / closing plate stopper
230: an outflow selection lever 231: a support ball
240: open / close plate M1, M2: permanent magnet
300: rotation means 310: housing
320: drive motor 330: drive gear
340: driven gear 400: control means
410: fire detector 420:
430: Driving motor driving section

Claims

A counterbore 10 provided with a countertop 11 in a space partitioned by a front wall W1 and a side wall W2 and a gas bag 20 on which a gas range 21 is placed are provided, A sprinkler system for a fire extinguishing structure of a building, which is applied to a kitchen provided with an exhaust hood (30) at an upper portion thereof and a kitchen water supply source (100) provided at a front wall (W1)
The kitchen water supply system 100 includes a cold water supply pipe 101 and a hot water supply pipe 102 protruding through the front wall W1, a cold water pipe 111 connected to the cold water supply pipe 101, A cold water control knob 121 installed in the cold / hot water mixing header 110 for controlling the mixing ratio of cold water and hot water, a hot water control knob 121 installed in the cold / hot water mixing header 110, A solenoid valve 120 having an opening and closing knob 123 for opening and closing the water outlet pipe 130 and a horizontal connection portion 131 rotatably connected to the solenoid valve 120 about a horizontal axis in the front- And a vertically extending portion 132 bent downward at a horizontal connection portion 131. The vertical extension portion 132 is formed at the horizontal connection portion 131,
An outflow head (200) coupled to the outflow pipe (130) for discharging cold water and / or hot water in direct or sprinkling form; A rotating means 300 for rotating the water pipe 130 and the head 200 in a normal mode toward the sink 11 and in an evolution mode toward the gas range 21 when a fire occurs; And control means (400) for controlling the rotation means (300)
The head head 200 includes a head body 210 connected to the vertical extension 132 of the water pipe 130 and extending downward to form a bell and having a lower end opened, A water outlet plate 220 coupled to the lower end opening of the head body 210 and having a straight hole 221 formed at the center and a plurality of water spray holes 222 formed around the straight hole 221, An outflow selection lever 230 installed to be rotatable horizontally on the lower surface of the plate 220 and an open / close plate 240 formed integrally with the outflow selection lever 230 to open / close the straight flow hole 221 Respectively,
An opening and closing plate stopper 224 for stopping the opening and closing plate 240 in a state where the opening and closing plate 240 closes the linear hole 221 is formed at one side of the linear hole 221 of the water outlet plate 220,
The permanent magnets M1 and M2, which are attracted to each other, are embedded in the opening / closing plate 240 and the opening / closing plate stopper 224,
The rotation unit 300 includes a housing 310 mounted on the cold / hot water mixing header 110, a driving motor 320 mounted in the housing 310, And a driven gear 340 coupled to an outer periphery of the horizontal connection part 131 of the water pipe 130 and engaged with the driving gear 330,
The control means 400 includes a fire sensor 410 installed on the lower surface of the exhaust hood 30 to detect a fire generated in the gas range 21 and a control means And outputs a fire evolution mode control command for the drive motor 320 when a fire detection signal is input by the fire sensor 410. In addition, A normal mode driving signal for the driving motor 320 according to a normal mode control command of the control unit 420 and outputs a normal mode driving signal to the control unit 420, A drive motor driving unit 430 for outputting a fire evolution mode drive signal for the drive motor 320 in accordance with an instruction of the control unit 420 and an open drive signal for the solenoid valve 120 according to an open control command of the control unit 420 The solenoid valve Fire protection sprinkler system of a building, characterized by configured by comprising a Eastern 440.