KR20030018097A - extinguishment system for an engine room - Google Patents

Abstract

PURPOSE: A fire extinguishing appliance for an engine room is provided to detect the occurrence of a fire in the engine room and suppressing the fire at an early stage. CONSTITUTION: The appliance comprises: a fire detecting unit(14) for detecting a fire occurred in an engine room(10); a fire extinguishing unit(20) for extinguishing the fire upon detecting the fire from the fire detecting unit; and a control unit(24) for suppressing the fire by operating the fire extinguishing unit through the fire detecting unit in case of detecting the occurrence of the fire.

Description

Extinguishment system for an engine room}

The present invention relates to an engine room fire extinguishing device, and more particularly, to an engine room fire extinguishing device that detects the occurrence of a fire in the engine room and extinguish the fire early.

In general, when driving a car, a fire may occur inside the engine room due to various causes such as a short circuit or abnormality in parts of the wiring of the electric system and overheating of the engine during driving.

However, in the current vehicle, since the situation is not equipped with a separate fire extinguishing equipment that can extinguish fire on its own, the driver must separately provide a fire extinguishing equipment such as a fire extinguisher.

However, when the driver does not separately include fire extinguishing equipment such as a fire extinguisher in the vehicle, it is impossible to take appropriate countermeasures when a fire occurs, thereby causing the vehicle to burn out.

Accordingly, the present invention has been made in view of the above, by detecting when a fire occurs in the engine room to be able to extinguish the fire early, it is possible to prevent the damage such as burning of the vehicle due to the fire in advance. The purpose is to provide an engine room fire extinguishing system.

The present invention for achieving the above object, the fire detection means for detecting a fire occurring in the engine room, the fire extinguishing means for extinguishing it when the fire is detected from the fire detection means, and the engine via the fire detection means When the occurrence of the fire in the room is characterized in that it comprises a control means for extinguishing the fire by operating the fire extinguishing means.

The present invention also provides a fire detection means for detecting a fire occurring in an engine room, a fire extinguishing means for extinguishing a fire from the fire detection means, and detecting a fire in an engine room via the fire detection means. It characterized in that it comprises a control means for extinguishing the fire by operating the fire extinguishing means, and forced opening means for lifting the hood to open and close the engine room upward.

1 is a state diagram schematically showing the configuration of an engine room fire extinguishing device according to the present invention.

2 is a cross-sectional view showing the configuration of the hood lifting unit shown in FIG.

3 is a perspective view of the piston shown in FIG.

(A), (b) is sectional drawing which shows the state which the piston lowered and raised in the hood lifting part shown in FIG. 2, respectively.

5 is a configuration diagram showing the configuration of the hook release means shown in FIG.

<Description of Symbols for Main Parts of Drawings>

10-engine room 12-hood

14-fire sensor 16-washer liquid storage tank

18-pump 20-spray nozzle

22 connection hose 24 control units

26-Hood lift 28-Hood lock release

30-housing 32-piston

34-load 36-support rod

38-turn plates 40-load

42-striker 44-shock barrier member

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a state diagram schematically showing the configuration of the engine room fire extinguishing device according to the present invention, Figure 2 is a cross-sectional view showing the configuration of the hood lifting unit shown in Figure 1, Figure 3 shows the piston shown in Figure 2 4 is a cross-sectional view illustrating a state where the piston is lowered and raised in the hood lifting unit shown in FIG. 2, and FIG. 5 is a block diagram showing the configuration of the hook release unit shown in FIG. 1.

The present invention, as shown in the drawings, the fire detection means for detecting a fire occurring in the engine room 10 in the state that the start switch of the vehicle on, and the fire extinguishing means for extinguishing it when the fire is detected from the fire detection means And control means for controlling the operation of the fire extinguishing means by detecting the occurrence of fire in the engine room 10 via the fire detecting means.

In this case, the fire detection means is installed on the bottom of the hood 12 to open and close the engine room 10 is composed of a fire detection sensor 14 for detecting this when a fire occurs.

The fire extinguishing means includes a pump 18 for pumping the washer fluid stored in the washer fluid storage tank 16 when the fire occurs, and an injection nozzle 20 for receiving the pumped washer fluid from the pump 18 and spraying the washer fluid.

To this end, a connection hose 22 is installed between the pump 18 and the spray nozzle 20 to enable the flow of the washer liquid by connecting them therebetween, and the spray nozzle 20 is provided with It is installed on the bottom of the hood 12 for ease.

In addition, the control means is composed of a control unit 24 for controlling the injection of the washer liquid through the injection nozzle 20 by driving the pump 18 to detect the occurrence of a fire from the fire sensor (14).

On the other hand, the present invention is configured by adding a force opening means for lifting up the hood 12 for opening and closing the engine room 10 in order to increase the efficiency of the fire extinguishing in the event of a fire, the force opening The means includes a hood lift 26 for forcibly opening the hood 12 in the event of a fire in the engine room 10 and locking the hood 12 to the vehicle body for operation of the hood lift 26. Hood lock release portion 28 for releasing the hook to maintain the state.

Here, as shown in FIG. 2, the hood lifting unit 26 includes a cylindrical housing 30, a piston 32 disposed in the housing 30 so as to be movable up and down, and the piston 32. A charge 34 encapsulated in a bottom surface and exploded under the control of the control unit 24, and a support rod 36 installed on the upper portion of the piston 32, and rotatably at the tip of the support rod 36. It has a structure provided with the rotating plate 38 provided.

And, the inner wall of the housing 30 is provided with a locking projection (30a) protruding to one side, the outer wall of the piston 32, as shown in Figures 2 to 3, so that the locking projection (30a) is fitted. A guide groove 32a is formed in a concave shape and curvature, and a seating groove 32b is formed at a lower end of the guide groove 32a.

Accordingly, in the hood lifting unit 26, when the charge 34 encapsulated in the housing 30 to the bottom of the piston 32 is exploded by the ignition signal of the control unit 24, the piston 32 ) Is raised while rotating in accordance with the curvature of the guide groove 32a, which means that the locking projection 30a formed on the inner wall of the housing 30 is formed in the guide groove 32a formed on the outer circumferential surface of the piston 32. As the piston 32 rotates as it is inserted, the piston 32 is raised while rotating as shown in FIG. 4A to FIG. 4B.

In addition, the end of the raising of the piston 32 is made when the locking projection (30a) is located in the seating groove (32b) formed on the lower side of the guide groove (32a), which is the state shown in Figure 4 (b) to be.

Meanwhile, as shown in FIG. 5, the hood lock release part 28 is enclosed in a second mounting bracket 12b screwed onto the first mounting bracket 12a joined to the bottom of the hood 12. The explosive force upon explosion of the charge 40 on the charged charge 40, the striker 42 inserted into and fixed to the bottom of the second mounting bracket 12b, and the second mounting bracket 12b. And an impact blocking member 44 for concentrating on the striker 12b and the striker 42.

In the drawing, reference numeral 46 is a wiring connecting the control unit 24 and the charge 40.

Therefore, the present invention configured as described above, when the fire occurs in the engine room 10, the fire detection sensor 14 of the fire detection means detects it and outputs it to the control unit 24 of the control means, The control unit 24 drives the pump 18 of the fire extinguishing means and supplies the washer liquid in the washer liquid storage tank 16 to the injection nozzle 20 through the connection hose 22, thereby allowing the inside of the engine room 10 to be discharged. The fire that occurred in the fire will be put out in a short time.

At this time, the forced opening means is operated so that the washer liquid sprayed through the injection nozzle 20 effectively sprays the entire area in the engine room 10 so as to effectively spray fire generated at any part of the engine room 10. In this case, the hood 12 is forcibly opened, wherein the control unit 24 first operates the hood unlocking part 28 of the forced opening means, and then operates the hood lifting part 26. .

That is, the control unit 24 outputs an ignition signal to the charge 40 enclosed in the second mounting bracket 12b of the hood lock release part 28, and is generated in response to the explosion of the charge 40. The impact force can cause the striker 42 to be detached from the latch assembly by causing release of the second mounting bracket 12b from the first mounting bracket 12a to release of the striker 42 from the second mounting bracket 12b. Will be.

Thereafter, the control unit 24 outputs an ignition signal to the charge 34 enclosed in the housing 30 of the hood lifting unit 26, and the combustion gas generated by the explosion of the charge 34 is The piston 32 is pushed upward, and as a result, the rotating plate 38 installed on the piston 32 via the support rod 36 pushes the hood 12 upward to open it.

At this time, the piston 32 which moves upward in the housing 30 of the hood lifting unit 26 has a locking protrusion 30a on the inner wall of the housing 30 so that the guide groove 32a of the piston 32 is located. While being fitted in the seating groove 32b formed at the lower side of the roller 32, the lifting position of the piston 32 is fixed, and is rotated by the rotating plate 38 fixed to the tip of the supporting rod 36 provided in the piston 32. The open position of the hood 12 that is pressurized and open can be fixed constantly.

As a result, the washer liquid sprayed toward the engine room 10 through the injection nozzle 20 installed on the bottom surface of the opened hood 12 enables even spraying over the entire area of the engine room 10. It is possible to extinguish the fire generated in the engine room 10 early.

On the other hand, the opening degree of the hood 12 opened by the operation of the hood lifting unit 26 is generally slightly lower than the position where the hood 12 is fully opened (shown in phantom in FIG. 1), This is to raise the hood 12 to the fully open position and then close the hood 12 again after the fire generated in the engine room 10 is completely suppressed. In this case, the hood lifting part 26 In the above, it is possible to lower the piston 32 while moving the engaging projection 30a in the seating groove 32b of the raised piston 32 again along the guide groove 32a.

In addition, the second mounting bracket 12b to the striker 42 damaged by the explosion of the charge 40 in the hood lock release part 28 is accompanied by the replacement of the charge 40 and the second mounting bracket 12b to the striker. Reuse can be made possible by replacing (42) with a new one.

In this case, the hood lifting unit 26 can be reused only by replenishing the charge 34.

As described above, according to the engine room fire extinguishing device, when a fire occurs in the engine room 10, the engine 12 is initially detected, and the hood 12 is opened to an appropriate level so that the washer fluid is applied to all areas of the engine room 10. As it can be injected, there is an effect that it is possible to extinguish the fire generated in the engine room 10 early without a separate fire extinguishing equipment.

Claims (9)

Fire detection means for detecting a fire occurring in the engine room 10, fire extinguishing means for extinguishing the fire from the fire detection means, and generation of fire in the engine room 10 via the fire detection means. Engine room fire extinguishing device comprising a control means for extinguishing the fire by operating the fire extinguishing means when detecting. The method of claim 1, The fire detection means is an engine room fire extinguishing device, characterized in that the fire detection sensor 14 is installed on the bottom of the hood 12 to open and close the engine room 10 to detect the fire. The method of claim 1, The fire extinguishing means is connected to a pump 18 for pumping the washer fluid stored in the washer fluid storage tank 16 and a connecting hose 22 to inject the pumped washer fluid from the pump 18 and the hood 12 of the hood 12. Engine room fire extinguishing device, characterized in that consisting of the injection nozzle 20 is installed on the bottom. The method of claim 1, When the control means detects the occurrence of a fire from the fire sensor 14 to drive the pump 18, it is a control unit 24 for spraying the washer liquid through the injection nozzle 20 Engine room fire extinguishing system characterized in. Fire detection means for detecting a fire occurring in the engine room 10, fire extinguishing means for extinguishing the fire from the fire detection means, and the generation of fire in the engine room 10 through the fire detection means Control means for extinguishing the fire by operating the extinguishing means in the case of sensing, and forced opening means for lifting up the hood 12 for opening and closing the engine room 10 upwards to open it; Engine room fire extinguishing system. The method of claim 5, The forced opening means includes a hood lifter 26 for forcibly opening the hood 12 in the event of a fire in the engine room 10, and the hood lifter 26 for operation of the hood lifter 26. Engine room fire extinguishing device, characterized in that consisting of a hood lock release portion 28 forcibly releasing the locked state. The method of claim 6, The hood lifting portion 26 is enclosed in a cylindrical housing 30, a piston 32 disposed to be movable up and down in the housing 30, and a bottom surface of the piston 32 to control the control means. The charge 34 to be exploded along with, the support rod 36 installed on the upper portion of the piston 32, and the rotating plate 38 that is in contact with the bottom surface of the hood 12 at the tip of the support rod 36 Engine room fire extinguishing device characterized in that provided. The method of claim 7, wherein The inner wall of the housing 30 is provided with a locking projection (30a) protruding to one side, the outer wall of the piston 32 is formed in a concave shape and curvature guide groove (32a) so as to fit the locking projection (30a) is formed. And, the lower end of the guide groove (32a) engine room fire extinguishing device, characterized in that the seating groove (32b) is formed. The method of claim 6, The hood lock release portion 28 includes a charge 40 enclosed in a second mounting bracket 12b coupled to a first mounting bracket 12a joined to a bottom portion of the hood 12, and the second mounting. The striker 42 inserted into the bottom surface of the bracket 12b and the explosive force of the charge 40 in the second mounting bracket 12b are concentrated on the second mounting bracket 12b and the striker 42. Engine room fire extinguishing device characterized in that it has an impact blocking member (44).