KR101301426B1 - Lock-out device of automatic fire extinguishing equipment - Google Patents

Abstract

PURPOSE: A fire lock-out system for an automatic fire extinguishing device is provided to allow evacuees to rapidly escape and to prevent secondary damage due to fire extinguishing agents. CONSTITUTION: A fire lock-out system for an automatic fire extinguishing device comprises: a housing body (10) which is formed with a penetration hole on the upper end thereof; an operation solenoid (20) which comprises a first bracket (21) fixed to the inner surface of the housing body and an operation pin which is fixed to the upper surface of the first bracket and has a hole; a fire lock-out solenoid; a moving container (40) which opens a fire extinguishing agent container by spraying high pressure gas to the fire extinguishing agent container in a gas room; a cover which is fixed to the rear surface of the housing body and accommodates the fire lock-out solenoid; and a locking detection unit which electrically connects to the fire lock-out solenoid and detects the closing of a door.

Description

Fire-out device of automatic fire extinguishing equipment

The present invention relates to a fire lock-out device of an automatic gas fire extinguishing system. Fire lock of the automatic gas fire extinguishing system which prevents the fire extinguishing agent from being blown into the room in the event of a fire, as well as preventing the inhabitants of the indoor resident from being blown out. Out device.

In general, when a fire occurs, not only human damage but also great damage to property, in order to minimize such damage, most buildings are equipped with an automatic fire extinguishing system capable of extinguishing the fire early in the event of a fire.

In particular, in the case of semiconductor manufacturing lines, since flammable or explosive reaction gases or very strong toxic chemicals are used, fires generated in semiconductor manufacturing lines can cause very fatal disasters, and therefore, semiconductor manufacturing plants. Gas fire extinguishing equipment is installed to extinguish the fire early in case of fire in electric room and generator room.

As described above, the automatic gas fire extinguishing facility installed in the semiconductor manufacturing plant is provided with a solenoid valve for controlling the injection of the extinguishing agent, and the solenoid valve is usually configured to be controlled electronically by a control panel.

Such a solenoid valve is located in the state in which the blow pin 1 is closed when the fire does not occur as shown in FIG. 1, and closes the solenoid valve 2, and when a fire occurs, as shown in FIG. 1B. The blow pin (1) is opened to open the solenoid valve (2) to open the solenoid valve so that the extinguishing agent of the extinguishing agent container provided in the cylinder is supplied to the fire generating area through the supply line. do.

However, in the case of the solenoid valve of the conventional automatic gas fire extinguishing facility, when the fire is detected by the detection of sensors, such as smoke detection sensor, flame detection sensor, such as a fire detection, the blow pin (1) through the control panel Since the solenoid valve 2 is automatically retracted and the solenoid valve 2 is opened as shown in FIG. 1B, the fire extinguishing agent is immediately injected into the fire generating area regardless of the presence or absence of an operator who has not been evacuated. Problems such as breathing difficulties are caused by the fire extinguishing agent sprayed by the unsuccessful worker.

In addition, in the case of the conventional automatic gas fire extinguishing equipment, the inspection process for checking the gas fire extinguishing equipment including the solenoid valve is performed on a regular or irregular basis, assuming that a fire has occurred. The function of the entire gas automatic fire extinguishing facility is checked while preventing the actual discharge.

However, the operation of the blow pin 1 is prevented by inserting the safety pin 3 into the blow pin 1 of the solenoid valve 2, as shown in FIG. However, since the safety pin (3) is not removed even after the inspection process, the safety pin (3) is inserted into the blow pin (1). Failure to work has caused a problem that the extinguishing agent is not sprayed.

In addition, when the safety pin (3) is not plugged into the blow pin (1), the blow pin (1) is operated by the malfunction of the control panel to open the solenoid valve (2) and thus the fire extinguishing agent does not occur The problem of being sprayed in the same space as it is also caused.

Accordingly, the malfunction of the solenoid valve is prevented to prevent the injection of the extinguishing agent even in the absence of a fire. If the fire actually occurs, the extinguishing agent is injected after the evacuation of the worker in the fire generating area is promptly evacuated. There is an urgent need for a system that enables the initial suppression of fires to occur and to control the operation of solenoid valves with or without safety pins.

Looking at the prior art, there is a composite fire extinguishing system has been devised, Patent No. 10-0820724, a fire sensor and a fire extinguishing nozzle is installed in the room, the fire extinguishing nozzle is a gas tank storing an inert gas as a fire extinguishing agent It is installed to inject the inert gas and the extinguishing water supplied through the gas discharge pipe extending from the discharge valve and the drain pipe extending from the water tank of the gas tank, the discharge valve of the gas tank whether the fire is generated by the signal input from the fire sensor In connection with the control box to determine the gas tank, the gas discharge pipe extending from the discharge valve of the gas tank and the drain pipe extending from the water tank is connected in the mixing nozzle, the water tank in accordance with the injection of inert gas discharged from the gas tank The digestion water stored in the mixing nozzle is automatically introduced into the mixing nozzle, and the horn The connection is provided with spray nozzles for fire extinguishing mixture of the inert gas discharge pipe and the number of digestion, the mixture outlet tube extending from the nozzle, comprises a closing valve which is connected to the control box with the discharge valve of the gas tank.

This prior art is to ensure sufficient time for the digestion water to be disturbed by the inert gas before the actual injection time of the inert gas and the extinguishing water by the fire extinguishing nozzle installed in the room, As mentioned, the problems caused by the operation and malfunction of the solenoid valves installed in the fire extinguishing system are not solved at all.

Republic of Korea Patent Registration 10-0820724 (2008.04.02 registration) Republic of Korea Patent Registration 10-1019087 (2011.02.24 registration)

The present invention is equipped with a movable solenoid and a fire lock out solenoid in the cylinder of the automatic gas fire extinguishing facility, respectively, and when the locked state of the door lock is confirmed, the fire lock out solenoid releases the locking of the movable solenoid so that the fire extinguishing agent is injected. It is an object of the present invention to provide a fire lockout device for a fire extinguishing system.

Another object of the present invention, since the opening and closing of the solenoid valve body is made according to the opening and closing of the locking portion installed on the door, the operation process of arbitrarily opening or locking the striking portion of the solenoid valve body by the safety pin at the time of fire safety check. It is an object of the present invention to provide a fire lockout device of an automatic gas fire extinguishing system, which can be omitted.

Still another object of the present invention is to prevent fires in the fire-generating area or fire extinguishing agents sprayed by workers in the area by sequentially operating the fire lock out solenoid and the movable solenoid by the operation of the locking part of the door rather than the safety pin. It is an object of the present invention to provide a fire lockout device of an automatic gas fire extinguishing system that can prevent the seeing in advance.

As a means for achieving the above object, the firelock apparatus for fire extinguishing of the gas automatic fire extinguishing system according to the present invention comprises: a housing body through which a through hole is perforated; A movable solenoid having a first bracket coupled to and fixed to an inner surface of the housing body, and a movable pin seated on an upper surface of the first bracket and having holes therethrough; A second pin is fixedly coupled to the rear surface of the housing body and is fixed to the upper surface of the second bracket and penetrated through the through hole of the housing body is provided with a release pin fitted in the hole through the movable pin of the movable solenoid. A fire lock out solenoid for controlling the movable pin of the movable solenoid by a reverse operation of the release pin; The high pressure gas is fixed by the third bracket and the third bracket fixedly coupled to the inner surface of the housing body, and the high pressure gas is received therein, and the high pressure gas is directed to the fire extinguishing agent side of the cylinder by the blow operation of the movable pin of the movable solenoid. A starting container for spraying and opening the extinguishing agent container; A cover coupled to the rear surface of the housing to accommodate the Fire Lock Out Solenoid therein; It is electrically connected with the fire lock out solenoid is made of a lock detecting unit for detecting the closing operation of the door.

The first bracket, a position variable portion is further formed to easily engage the release pin of the fire lock out solenoid in the hole through the movable pin of the movable solenoid, the lower end of the movable solenoid A variable bolt body to be fitted and a nut body screwed to the variable bolt body is further provided.

According to the present invention, fire lockout solenoids and movable solenoids are sequentially operated according to the operation of the lock unit installed at the door after the fire has occurred so that the extinguishing agent is sprayed, thereby allowing the inhabitants who have not been evacuated as well as evacuated. Secondary damage caused by the fire extinguishing agent can be prevented.

1 is a block diagram showing a solenoid valve of the conventional gas automatic fire extinguishing equipment.
2 is a configuration diagram showing a state in which the blow pin of the solenoid valve of the conventional automatic gas fire extinguishing equipment is operated.
3 is a configuration diagram showing a state in which the safety pin is plugged into the solenoid valve of the conventional automatic gas fire extinguishing equipment.
Figure 4 is a perspective view showing a fire lock out device of the present invention automatic gas fire extinguishing equipment.
Figure 5 is an exploded perspective view showing the rear portion of the fire lock out device of the present invention automatic gas fire extinguishing equipment.
Figure 6 is a perspective view showing a coupling structure of the housing body and the bracket of the fire lock out device of the present invention automatic gas fire extinguishing equipment.
Figure 7 is a perspective view showing a first bracket of the fire lock out device of the present invention automatic gas fire extinguishing equipment.
8 is an exploded perspective view showing a state in which the movable solenoid is coupled to the first bracket of the fire lockout device of the gas automatic fire extinguishing system of the present invention.
9 is a conceptual diagram showing the operating state of the movable pin and the release pin of the fire lock out device of the present invention automatic gas fire extinguishing equipment.
10 is a configuration diagram showing an example of a gas automatic fire extinguishing system to which a fire lockout device of the gas automatic fire extinguishing system of the present invention is installed.
Figure 11 is a block diagram showing another embodiment of the fire lock out device of the present invention automatic gas fire extinguishing equipment.

Hereinafter, other objects and features of the present invention will be apparent from the following description of embodiments with reference to the accompanying drawings.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted in an ideal or overly formal sense unless explicitly defined in the present application Do not.

Hereinafter, a fire lock out device for an automatic gas fire extinguishing system according to an embodiment of the present invention will be described in detail with reference to FIGS. 4 to 10.

As shown in FIG. 10, the firelock device for fire extinguishing of the gas automatic fire extinguishing system of the present invention is electrically connected to the lock detecting unit 60 in the room where the extinguishing agent injection unit 107 is installed, and the housing body 10. And a movable solenoid 20, a fire lock solenoid 30, a starting container 40, and a lid 50.

The housing body 10 has a rectangular box shape, the front surface of which is opened, and a door that opens and closes the inside of the housing body 10 is installed on the front surface, and the through hole 11 is formed through the top of the housing body 10.

The movable solenoid 20 is seated and fixed to the upper surface of the first bracket 21 and the first bracket 21 and fixed to the inner surface of the housing body 10, the movable pin 22 through the hole (23) is provided, when the electric power is applied, the movable pin 23 of the movable solenoid 20 is advanced to the starting container 40 side hitting the valve body (not shown) of the starting container 40 The valve body of the starting container 40 is opened.

In addition, the movable solenoid 20 is electrically connected to the P-type receiver 104 that receives the fire in the room, and the movable solenoid 20 is operated when a fire occurrence signal is transmitted to the P-type receiver 104.

The fire lock solenoid 30 is fixed to the top surface of the second bracket 31 and the second bracket 31 and fixed to the rear surface of the housing body 10 and penetrates the housing body 10. A release pin 32 is provided to penetrate the ball 11 and is fitted into the hole 22 through the movable pin 23 of the movable solenoid 20. The movable pin 32 is operated by a backward operation of the release pin 32. The movable pin 23 of the solenoid 20 is controlled.

That is, when a fire does not occur, the release pin 32 of the fire lockout solenoid 30 is inserted into the hole 22 through the opening pin 23 of the movable solenoid 20, and then fire lockout. When an electrical signal is applied to the solenoid 30, the release pin 32 of the fire lock out solenoid 30 is retracted as shown in FIG. 9 so that the release pin 32 inserted into the hole 22 is removed from the hole 22. While being released, interference with the movable pin 23 of the movable solenoid 20, that is, the locking is released.

The starting container 40 is a high-pressure CO 2 gas contained therein, and is fixed by the third bracket 41 and the third bracket 41 fixedly coupled to the inner surface of the housing body 10. And the high pressure gas is accommodated therein, and the high pressure gas is injected to the extinguishing agent container 105 of the cylinder chamber 102 by the striking operation of the movable pin 23 of the movable solenoid 20. Open.

The cover 50 is fixed to the rear surface of the housing body 10 to accommodate the fire lock out solenoid 30 therein to prevent the fire lock out solenoid 30 from being exposed to the outside to prevent fire Protect the solenoid 30.

The lock detecting unit 60 is installed at the door of the room and is electrically connected to the fire lock out solenoid 30 to sense the closing operation of the door.

According to the present invention configured as described above, when a fire occurs in the room and the fire detector 103 detects it and transmits a fire occurrence state to the P-type receiver 104, the P-type receiver 104 operates the solenoid. At this time, the lock detecting unit 60 detects the lock state of the door so that the release pin 32 of the lock detecting unit 60 is retracted to allow the movable pin 23 of the movable solenoid 20 to be operated. ) Advances to the starter container 40 side and strikes the starter container 40, whereby the high pressure gas of the starter container 40 opens the extinguishing agent container 105 installed inside the cylinder chamber 102. The extinguishing agent of 105 is supplied to the extinguishing agent spraying unit 107 installed indoors through the supply line 106, and the extinguishing agent is sprayed into the room by the extinguishing agent spraying unit 107.

That is, when the movable solenoid 20 is operated in accordance with the occurrence of a fire by the P-type receiver 104, the movable pin 23 of the movable solenoid 20 is to be advanced to the starting container 40 side. The movable pin 23 is advanced to the starter container 40 only when the release pin 32 of the outsolenoid 30 is separated from the movable pin 23.

Therefore, when checking the automatic gas fire extinguishing facility when the fire does not occur, the fire lockout operated by the signal of the lock detecting unit 60 according to the open door when the fire check is performed with the door open. Since the solenoid 30 is not operated, the release pin 32 of the fire lock out solenoid 30 is not retracted, thereby preventing the extinguishing agent from being injected.

Accordingly, in order to prevent the solenoid from operating as in the prior art, the safety pin does not need to be inserted or the operation of removing the safety pin inserted after the fire inspection is omitted.

Furthermore, since the safety pin is not removed after the fire inspection by not using the safety pin, the solenoid is not operated by the safety pin that cannot be removed due to the actual fire.

As shown in FIG. 7, the first bracket 21 has a seating surface 211 on which the movable solenoid 20 is seated, and a movable solenoid 20 extending perpendicularly to both sides of the seating surface 211. A close contact surface 212 supporting the side of the support, a joining surface 213 extending to the lower side of the seating surface 211 and fixed to the housing body 10, and from the outside of the close contact surface 212. The first screw 214 is fastened to be in close contact with the side surface of the movable solenoid 20, and the second screw 215 for fixing the coupling surface 213 and the housing body 10.

Accordingly, the first screw 214 is seated on the seating surface 211 of the first bracket 21 while the movable solenoid 20 is seated on the seating surface 211 of the first bracket 21. When the screw is turned to the movable solenoid 20 side, the end of the first screw 214 is closely attached to the side surface of the movable solenoid 20, so that the movable solenoid 20 can be firmly fixed.

In addition, the first bracket 21 is easily coupled to the release pin 32 of the Fire Lock Out Solenoid 30 by a hole 22 formed in the movable pin 23 of the movable solenoid 20. Position variable portion 216 is further formed to the lower end of the movable solenoid 20 is screwed to the variable bolt body 24 and the variable bolt body 24 to be fitted to the position variable portion 215 The nut body 25 is further provided.

Accordingly, since the installation position of the movable solenoid 20 can be easily changed, the fire lock out solenoid 30 is released from the hole 22 through the opening pin 23 of the movable solenoid 20. Pin 32 can be easily coupled to improve installation workability.

11 shows another embodiment of the present invention, wherein the second bracket 31 includes a seating plate 311 on which the fire lockout solenoid 30 is seated, and one surface and one surface of the seating plate 311. The support plate 312 is welded by this welding operation, the back surface is in close contact with the housing body 10, and the connection protrusion 312a protrudes at the upper end, and the hole 313 through which the support plate 312 is perforated at the upper end thereof. A fastening part 314 extending from a rear surface of the support plate 312 and extending to a position corresponding to the hole 313 and having a screw fastening protrusion formed on an outer surface thereof, and being fastened to the fastening part 314 by being fastened to the fastening part ( The nut part 315 which fixes the 314 to the housing body 10 is comprised.

In addition, the upper end of the cover 50 is further provided with a connection groove 50a into which the connection protrusion 312a of the support plate 312 is fitted.

As such, the second bracket 31 having the seating plate 311 on which the lockout solenoid 30 is seated and fixed is connected to the fastening part 314 extending from the support plate 312. Since the second bracket 31 is screwed and fixed to the housing body 10, assembly workability is greatly improved by not using a plurality of bolts or pieces.

In addition, as the cover 50 is also coupled to the connection protrusion 312a of the support plate 312 is inserted into the connection groove 50a provided at the top of the cover 50, the coupling work of the cover 50 is also easily performed. .

As described above, the present invention has been described by specific embodiments such as specific components and the like. For those skilled in the art, various modifications and variations are possible from these descriptions.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and all of the equivalents and equivalents of the claims, as well as the following claims, will fall within the scope of the present invention.

10: housing body 11: through hole
20: movable solenoid 21: first bracket
22: hole 23: movable pin
24: variable bolt body 25: nut body
30: Fire lock out solenoid 31: Second bracket
32: release pin 40: starting container
41: third bracket 50: cover
50a: connecting hole
60: lock detection unit 211: seating surface
212: contact surface 213: bonding surface
214: First screw 215: Second screw
216: variable position 311: seating plate
312 support plate 312a connecting projection
313: hole 314: fastening portion
315: nut part

Claims (4)

A housing body 10 through which the through hole 11 is perforated;
A movable solenoid having a first bracket 21 coupled to an inner surface of the housing body 10 and a movable pin 23 fixed to an upper surface of the first bracket 21 and having holes 22 therethrough. 20;
The movable solenoid is fixed to the second bracket 31 and the upper surface of the second bracket 31 fixedly coupled to the rear surface of the housing body 10 and penetrates the through hole 11 of the housing body 10. A release pin 32 is inserted into the hole 22 through the movable pin 23 of the movable pin 23, and the movable pin 23 of the movable solenoid 20 is moved by the backward operation of the release pin 32. Fire lockout solenoid 30 to control the;
It is fixed by the third bracket 41 and the third bracket 41 is fixed to the inner surface of the housing body 10, the high pressure gas is received therein, the movable pin 23 of the movable solenoid 20 By the blow operation of the high pressure gas to the fire extinguishing agent injection side of the cylinder, the starting container 40 for opening the extinguishing agent container;
A cover 50 fixed to the rear surface of the housing body 10 to accommodate the fire lock out solenoid 30 therein;
Fire lockout device of the automatic gas fire extinguishing facility, characterized in that the fire lockout solenoid 30 is electrically connected to the lock detection unit 60 for detecting the closing operation of the door.
The method of claim 1,
The first bracket 21 is,
A seating surface 211 on which the movable solenoid 20 is seated;
A close contact surface 212 extending vertically on both sides of the seating surface 211 to support a side surface of the movable solenoid 20;
A coupling surface 213 extending to a lower side of the seating surface 211 and fixed to the housing body 10;
First screws 214 fastened from the outer side of the close contact surface 212 to be in close contact with the side surfaces of the movable solenoid 20;
Fire lock out device of the automatic gas fire extinguishing system, characterized in that the coupling surface 213 and the second screw (215) for fixing the housing body (10).
The method of claim 1,
In the first bracket 21,
Position variable portion 216 is further formed to easily fit the release pin 32 of the fire lock out solenoid 30 into the hole 22 through the movable pin 23 of the movable solenoid 20. Become,
The lower end of the movable solenoid 20 is characterized in that the variable bolt body 24 is fitted to the position variable portion 215 and the nut body 25 is screwed to the variable bolt body 24 is further provided. Fire lockout device for automatic gas fire extinguishing.
The method of claim 1,
The second bracket 31 is,
A seating plate 311 on which the fire lockout solenoid 30 is seated;
A support plate 312 on which one surface and one surface of the seating plate 311 are welded, a rear surface of the seating plate 311 is in close contact with the housing body 10, and a connection protrusion 312a protrudes from an upper end thereof;
A hole 313 through which the support plate 312 is perforated;
A fastening part 314 extending from a rear surface of the support plate 312 and extending at a position corresponding to the hole 313 and having screw fastening protrusions formed on an outer surface thereof;
Is screwed to the fastening portion 314 is made of a nut portion 315 for fixing the fastening portion 314 to the housing body 10,
Fire lockout device of the automatic gas fire extinguishing facility, characterized in that the upper end of the cover 50 is further provided with a connection groove (50a) is fitted to the connecting projection (312a) of the support plate (312).

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