KR20020090776A - Method and apparatus for auto-extinguishing flame occurred in vehicle - Google Patents

Abstract

PURPOSE: An automatic extinguishing method and apparatus for a car fire are provided to install fire extinguishing devices in a car engine room and the indoor of a car and continuously confirm the condition of the fire extinguishing devices by using a self-diagnosis program, thus minimizing the loss of the car and lives in case of the car fire. CONSTITUTION: The automatic extinguishing method for a car fire comprises the steps of; displaying the operating condition of an automatic fire-extinguishing device installed inside a car; inspecting all components of the device through a self-diagnosis program; displaying the inspected results; if any abnormal condition of the device is detected, mechanically checking the device; and performing a fire extinguishing operation in case of the car fire by detecting temperature variation around the device.

Description

Vehicle fire automatic extinguishing method and device {METHOD AND APPARATUS FOR AUTO-EXTINGUISHING FLAME OCCURRED IN VEHICLE}

The present invention relates to a vehicle fire extinguishing device and a method for extinguishing a fire when a fire occurs in a vehicle. More particularly, the present invention relates to a fire extinguishing device that detects a fire in a vehicle due to engine overheating or a collision while the vehicle is running. The present invention relates to a vehicle fire extinguishing device and a method for minimizing the damage to life and property caused by a vehicle fire by operating a fire extinguisher installed in a vehicle by sensing the same.

At present, since most vehicles are not equipped with an automatic fire extinguishing device, a few drivers are equipped with a portable fire extinguisher in the vehicle to prepare for an emergency such as a fire.

However, if a fire occurs in the vehicle due to engine overheating or collision while the vehicle is in operation, the driver or passenger can appropriately cope with the fire if the driver or passenger is not injured. In the case of inability to move or unconsciousness, not only the loss of the vehicle but also the loss of life can occur.

Recently, there is a frequent occurrence of a fire in the vehicle due to engine overheating or collision while driving the vehicle, which is mostly caused by the driver and the occupant being in an unstable state because the fire ignited in the engine room spreads to the entire vehicle. The situation is even worse if a car fire occurs in an area that is not adequately addressed and where assistance is not available.

In addition, most of the drivers and occupants who do not have training to extinguish the vehicle fire and have a portable fire extinguisher in the vehicle do not adequately cope with the vehicle fire. Is only about 20%.

The present invention was created to solve the problems described above, if a fire occurs in the vehicle due to the engine overheating or collision while driving the vehicle temperature rise due to the fire through the detection device mounted in the engine room and the vehicle interior And a fire extinguisher installed in the vehicle by detecting an ignition flame and providing a vehicle fire extinguishing device and a method for minimizing human and property damage by extinguishing fire in the engine room and the interior of the vehicle early. There is a purpose.

1 is a block diagram schematically showing the configuration of an automatic vehicle fire extinguishing device according to the present invention;

2 is an exemplary view showing a state in which each configuration of the vehicle fire automatic fire extinguishing device according to the present invention is installed in the vehicle,

3 and 4 is a flow chart for explaining the operation and extinguishing method of the automatic vehicle fire extinguishing device according to the present invention;

Figure 5 is a block diagram for showing the internal configuration of the automatic valve according to the present invention.

♣ Explanation of symbols for main part of drawing ♣

11: flame sensor 12: temperature sensor

13: Injection nozzle 14: Power part

15: Operation indicator 16: Fire extinguisher

17: solenoid valve 18: manual valve switch

19: separation valve 20: control unit

21: relay 100: engine room

200: vehicle interior 101, 201: sensing device

201: control box

According to the present invention, if the driver starts the vehicle is equipped with an automatic vehicle fire extinguishing device to check whether the operating voltage is normally supplied from the power supply connected to the vehicle battery and displaying through the operation indicator; If the power supply is normal, driving a diagnostic program to check the configuration of the automatic vehicle fire extinguishing device; Displaying the checked result through an operation indicator when the checking is completed; The driver checks whether the power supply is normally performed through the operation indicator, and if the driver has an abnormality in the automatic fire extinguishing system, the driver inspects the driver directly or through an AS center; And detecting whether the flame and temperature change of the vehicle engine room and the interior are generated while the vehicle is running through the flame and the temperature sensor, and if the vehicle fire is detected, extinguishing the vehicle fire. Provide extinguishing methods.

Another feature of the present invention is a flame sensor for generating a detection signal by detecting a flame when the vehicle ignition; A temperature sensor configured to generate a detection signal by detecting a temperature increase in a vehicle fire; A spray nozzle for spraying fire extinguishing powder; A power supply unit receiving power from a battery and supplying an operating voltage to the entire apparatus; An operation indicator indicating whether the fire extinguishing device is powered and displaying a self-diagnosis operation state; Class A or B powder fire extinguisher; An electromagnetic valve connected directly to the fire extinguisher and closing and opening and closing the valve when a control signal is applied; A manual valve switch for forcibly opening and closing the solenoid valve in the event of a vehicle fire due to a collision; A separation valve which is normally opened and closed toward the vehicle engine room and transfers the extinguishing powder to the injection nozzle side attached to the vehicle engine room or the vehicle room according to a control signal; When power is supplied from the power unit, the entire apparatus is self-diagnosed and displayed through an operation indicator, and the solenoid valve and the separation valve are operated by detecting a detection signal generated from a flame and a temperature sensor when a fire occurs in a vehicle engine room or inside a vehicle. A control unit of a microcomputer method for outputting a control signal for transmitting the control signal; And it provides a vehicle fire automatic fire extinguishing device comprising a relay for switching the control signal output from the control unit to apply to the solenoid valve and the separation valve.

Hereinafter, a vehicle fire automatic fire extinguishing method and apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing the configuration of the automatic vehicle fire extinguishing device according to the present invention, Figure 2 is an exemplary view showing a state in which each configuration of the automatic vehicle fire extinguishing device according to the present invention is installed in a vehicle 3 and 4 are flow charts for explaining the operation and extinguishing method of the vehicle fire automatic fire extinguishing apparatus according to the present invention, Figure 5 is a block diagram showing the internal configuration of the automatic valve according to the present invention.

Referring to this, as shown in Figure 1, the vehicle engine room and the vehicle interior 200 according to the present invention is attached to a predetermined position, and the flame sensor 11 for detecting a flame when the vehicle ignition generates a detection signal; The vehicle engine room 100 and the inside of the vehicle 200 are attached to predetermined positions, and detect the temperature rise in the event of a vehicle fire by the temperature sensor 12, the vehicle engine room 100, and the inside of the vehicle 200. DC 12V voltage is supplied to the automatic fire extinguishing device, which is supplied to the fire extinguishing nozzle 13 attached to a predetermined position and supplied through a battery mounted in the vehicle 200 or a separate battery. Directly connected to the power supply unit 14 for supplying, the operation indicator 15 for indicating the power supply of the automatic fire extinguishing device and the self-diagnostic operation state, the A or B-class powder fire extinguisher 16, the fire extinguisher 16, the control signal Is applied, the solenoid valve 17 for blocking and opening and closing the valve, the manual valve switch 18 forcibly opening and closing the solenoid valve 17 in the event of a vehicle fire due to a collision, and normally opening and closing the vehicle engine room 100 side. The vehicle engine room ( 100) or a separation valve 19 for transporting and blocking the extinguishing powder to the injection nozzle 13 attached to the vehicle interior, and when the power is supplied from the power supply unit 14, the entire apparatus is self-diagnosed through the operation indicator 15 Display and detect the detection signals generated from the flame and the temperature sensors 11 and 12 in the event of a fire in the vehicle engine room 100 or the inside of the vehicle 200 to operate the solenoid valve 17 and the isolation valve 18. And a relay 21 for switching the control signal output from the control unit 20 and applying it to the solenoid valve 17 and the separation valve 19. do.

The control unit 20 is an automatic inspection program of an automatic fire extinguishing device for a vehicle, a resistance value of spark ignition when a fire occurs in the flame sensor 11, an initial temperature set value when the engine of the temperature sensor 12 operates and a fire occurrence. An internal memory (not shown) for storing a maximum temperature set value and a minimum pressure set value for extinguishing liquid injection in the event of a fire of the injection nozzle 13 is provided therein.

As shown in FIG. 2, the vehicle fire automatic fire extinguishing device includes a sensing device 101 such as a flame sensor 11, a temperature sensor 12, and an injection nozzle 13 at a main portion of the engine room 100 of the vehicle. Fire extinguisher 16 is located, the sensor 202 and the control box 201, such as the flame sensor 11, the temperature sensor 12 and the injection nozzle 13 is provided at a predetermined position of the vehicle interior 200, The manual valve switch 18 is provided in the main part of the vehicle dashboard.

Referring to Figures 3 and 4 the operation and extinguishing method of the vehicle fire automatic fire extinguishing device according to the present invention having the above configuration is as follows.

First, as shown in FIG. 3, when the driver starts the vehicle in which the vehicle fire extinguishing device is installed (S11), the controller 20 normally supplies a DC 12V voltage from the power supply unit 14 connected to the vehicle battery. Check whether it is (S12), it is displayed through the operation indicator (15). Here, the driver checks whether the power supply is normally performed through the operation indicator 15, and when the power supply is not normal, the vehicle fire automatic fire extinguishing device is directly or through the AS center (S13). Here, the vehicle fire automatic fire extinguishing device may be operated by a driver manually operating a power switch provided in the control box 201.

If the power supply is normal, the control unit 20 drives a diagnostic program (S14) to check the configuration of the vehicle fire extinguishing device for each part (S15). Here, the check list is a check of the control circuit, the resistance value of the spark ignition at the time of the fire of the flame sensor 11, the initial temperature set value at the time of the engine of the temperature sensor 12 and the maximum temperature set value at the time of fire check When the fire of the injection nozzle 13 occurs, the operating pressure of the solenoid valve 17 is checked through the minimum pressure setpoint check capable of injecting the extinguishing fluid and the relay 21.

When the inspection is completed (S16), the control unit 20 displays the result of the inspection through the operation indicator 15 (S17), and whether the flame and temperature of the flame in the vehicle engine room 100 and the room while the vehicle is running The change is detected through the flame and temperature sensors 11 and 12 (S18).

As shown in FIG. 4, when a fire due to engine overheating or a vehicle collision occurs while the vehicle is running, the controller 20 checks whether a flame detection signal is applied from the flame sensor 11 and At the same time, it is checked whether the temperature detection signal is applied from the temperature sensor 12 (S21), and the resistance value of the spark ignition when the fire of the flame sensor 11 stored in the memory (not shown) and the temperature sensor 12 When a fire occurs, it is determined whether a fire has occurred by comparing the maximum temperature set value (S22).

The controller 20 flashes the lamp of the operation indicator 15 when a fire occurs in the vehicle, and outputs a warning sound through a buzzer (not shown) (S23). Whether it is applied from the flame and the temperature sensors 11 and 12 installed in the 100 or from the flame and the temperature sensors 11 and 12 installed in the vehicle 200 (S24), the vehicle engine room 100 In the case of a fire generated from the fire protection control signal is applied to the solenoid valve 17 through the relay 14 and the fire control signal is applied to the separation valve 19 to be installed in the vehicle engine room 100. The valve connected to the injection nozzle 13 is kept open and closed (S25).

The solenoid valve 17 opens the valve according to the control signal to transfer the extinguishing powder transferred from the fire extinguisher 16 to the separation valve 19 side (S26), and the separation valve 19 opened and closed toward the vehicle engine room 100 side. ) Is to inject fire extinguishing powder through the injection nozzle 13 of the vehicle engine room 100 in which the fire occurs (S27).

In the step S24 of determining whether the fire has occurred, the controller 20 applies a fire generation control signal to the solenoid valve 17 through the relay 14 when the fire is generated from the inside of the vehicle 200. In addition, the fire generation control signal is applied to the separation valve 19 to open and close the valve connected to the injection nozzle 13 installed in the vehicle interior (S28).

The solenoid valve 17 opens the valve according to the control signal to transfer the extinguishing powder transferred from the fire extinguisher 16 to the separation valve 19 (S29), and the separation valve 19 is in the vehicle interior according to the control signal. Fire extinguishing powder is injected through the injection nozzle 13 in the vehicle interior by opening and closing the separation valve to the side (S30).

The control unit 20 checks whether the extinguishing of the vehicle fire is completed through the flame and temperature sensors 11 and 12 (S31), and when the extinguishing is completed, initializes the vehicle fire automatic extinguishing device and performs the automatic inspection. The diagnostic program is executed to check whether the fire extinguishing system is abnormal due to the vehicle fire (S32).

On the other hand, as described above, when the fire extinguishing device is in operation when the engine is overheated or the fire occurs while the vehicle is running, or the vehicle is severely damaged by the collision and the fire extinguishing device is not operated, Digestive powder is injected through the injection nozzle 13 installed in the vehicle engine room 100 by operating the manual valve switch 18 provided in the main board, or when the transfer pipe is damaged, it is injected into the damaged transfer pipe gap.

When a fire caused by a collision occurs while the vehicle is running and the fire extinguishing device installed in the vehicle is in an inoperative state, when the manual valve switch 18 provided in the main part of the vehicle board is operated by a conscious driver or a passenger, the solenoid valve ( 17) The solenoid valve 17 blocked by the manual lever installed in the recess is forcibly opened and closed, and the extinguishing powder transferred from the fire extinguisher 16 is transferred to the separation valve 19 through the solenoid valve 17.

Since the separation valve 19 is normally opened and closed to the vehicle engine room 100 side, the extinguishing powder transferred to the separation valve 19 side is transferred to the injection nozzle 13 installed in the vehicle engine room 100 and injected into the injection nozzle. It is injected into the vehicle engine room 100 through 13. In this case, when the transport pipe connected between the injection nozzle 13 and the separation valve 19 is damaged, it is sprayed into the damaged transport pipe gap by the transport pressure of the extinguishing powder, the fire extinguishing is made.

5 is a configuration diagram for showing the internal configuration of the automatic valve according to the present invention, the solenoid valve 19, as shown in FIG. In addition, an electromagnet coil 192 for moving the mover 191 is provided, and a transfer passage for transferring the extinguishing powder transferred from the fire extinguisher 16 to the separation valve 19 is provided below the solenoid valve 19.

The through-hole 194 is formed to be biased in the center of the conveying passage, and the fixed ring is provided on the left and right sides of the spherical manual valve 193 and the manual valve 193 having the key groove 196 formed at a predetermined position. The connecting protrusion of the key bundle 196 is inserted into the key groove 194 of the manual valve 193, the lever 197 rotated in conjunction with the manual valve switch 18, and the lever 197 is connected to the key bundle 196. Nut 198 for fixing).

Therefore, the automatic fire extinguishing device for the vehicle fire is a manual valve when a conscious driver or occupant operates the manual valve switch 18 provided at the main part of the vehicle board in a situation where battery power is not supplied in the event of a vehicle fire due to a collision. The lever 197 of the solenoid valve 17 connected to the switch 18 is rotated to forcibly open and close the solenoid valve 17 to inject extinguishing powder of the fire extinguisher 16 into the vehicle engine room.

As described above, the present invention installs a sensing device such as a flame sensor and a temperature sensor in the vehicle engine room and the room, and detects the fire of the vehicle due to engine overheating or collision while the vehicle is running, and fires the vehicle through a fire extinguisher installed inside the vehicle. Can be suppressed early and the self-diagnosis program will continue to determine if the digestive system is broken.

In addition, the vehicle fire automatic fire extinguishing method and apparatus according to the present invention is not limited only to the above-described embodiment, and various modifications and changes can be made without departing from the technical gist of the invention.

As described above, according to the present invention, a fire extinguishing device is installed in a vehicle engine room and a vehicle interior, and a self-diagnosis program continuously checks whether a fire extinguishing device is broken, and a vehicle fire due to engine overheating or a collision is detected early. By detecting and spraying the fire extinguishing powder through the injection nozzle installed inside the vehicle, it is possible to minimize the damage to the vehicle and human life by suppressing the vehicle fire early.

In the situation where the battery power is not supplied in the event of a vehicle fire due to the collision of the present invention, if the conscious driver or passenger operates the manual valve switch provided in the main board of the vehicle, the solenoid valve is forcibly opened and closed in the vehicle engine room. The extinguishing powder of the fire extinguisher is sprayed by the injection nozzle, so that the vehicle fire can be forcibly suppressed.

Claims (6)

When the driver starts the vehicle in which the vehicle fire extinguishing device is installed, checking whether the operating voltage is normally supplied from a power source connected to the vehicle battery and displaying the same through an operation indicator; If the power supply is normal, driving a diagnostic program to check the configuration of the automatic vehicle fire extinguishing device; Displaying the checked result through an operation indicator when the checking is completed; The driver checks whether the power supply is normally performed through the operation indicator, and if the driver has an abnormality in the automatic fire extinguishing device, the driver inspects the driver directly or through an AS center; And Automatically extinguish a vehicle fire, comprising: detecting whether a flame and a temperature change occur in a vehicle engine room and an interior while the vehicle is running through a flame and a temperature sensor, and performing a fire extinguishing operation when a vehicle fire is detected Way. The method of claim 1, The checklist of the vehicle fire extinguishing device checks the control circuit, checks the resistance value of the spark ignition in the event of a fire of the flame sensor, checks the initial temperature set point when the engine is operated by the temperature sensor and the maximum temperature set point when the fire occurs, and sprays. Automatic fire extinguishing method for a vehicle fire, characterized in that in order to check the operating pressure of the solenoid valve through the relay check the minimum pressure setpoint capable of spraying the extinguishing fluid in the event of a nozzle fire. The method of claim 1, In the vehicle fire detection step, checking whether a detection signal according to a fire occurrence is applied from a flame sensor or a temperature sensor; When the detection signal is applied, determining whether a fire has occurred by comparing a spark ignition resistance value at the time of fire and a maximum temperature setting value at the time of fire; In the event of a fire, displaying a blinking lamp of the operation indicator and outputting a beep through a buzzer; Determining whether a detection signal according to a fire is detected in a vehicle engine room or inside a vehicle; In the case of a fire generated from the vehicle engine room, the fire control signal is applied to the solenoid valve through the relay to open and close the valve, and the fire extinguishing powder transferred from the fire extinguisher is injected through the injection nozzle installed in the vehicle engine room through the separation valve. step; In the case of fire generated from inside the vehicle, the fire occurrence control signal is applied to the solenoid valve and the separation valve through the relay to open and close the valve connected to the injection nozzle installed in the vehicle interior, and the fire extinguishing powder transferred from the fire extinguisher is separated through the vehicle. Spraying through a spray nozzle installed therein; Checking through a flame and temperature sensor whether fire extinguishing of the vehicle has been completed; And When the fire extinguishing is completed, the vehicle fire automatic fire extinguishing device is initialized, and running a diagnostic program for the automatic check to determine whether the fire extinguishing device abnormalities due to the vehicle fire. The method of claim 1, If a fire occurs due to a collision while driving the vehicle and the fire extinguishing system installed in the vehicle is not in operation, the manual valve switch provided in the main part of the vehicle board is operated by a conscious driver or occupant. Forcibly opening and closing the shut off solenoid valve by operating a lever; Extinguishing powder of the fire extinguisher transferred to the separation valve side through the solenoid valve is transferred to the injection nozzle side installed in the vehicle engine room and sprayed into the vehicle engine room through the injection nozzle; And And extinguishing powder injected into the gap between the transport pipes when the transport pipe connected between the injection nozzle and the separation valve is damaged by the transport pressure of the fire extinguishing powder. A flame sensor 11 which detects a flame and generates a detection signal when the vehicle is ignited; A temperature sensor 12 which detects a temperature rise in a vehicle fire and generates a detection signal; A spray nozzle 13 for spraying fire extinguishing powder; A power supply unit 14 which receives power from the battery and supplies an operating voltage to the entire apparatus; An operation indicator (15) indicating whether a power supply of the fire extinguishing device is supplied and a self-diagnosis operation state; Class A or B powder fire extinguisher 16; A solenoid valve 17 connected directly to the fire extinguisher 16 and closing and opening / closing the valve when a control signal is applied; A manual valve switch 18 for forcibly opening and closing the solenoid valve 17 in a vehicle fire due to a collision; A separation valve 19 which is normally opened and closed toward the vehicle engine room 100 and transfers the extinguishing powder to the injection nozzle 13 attached to the vehicle engine room 100 or the vehicle room according to a control signal; When power is supplied from the power supply unit 14, the entire apparatus is self-diagnosed and displayed through the operation indicator 15, and when a fire occurs in the vehicle engine room 100 or the inside of the vehicle 200, the flame and the temperature sensor 11, A microcomputer control unit 20 which detects a detection signal generated from 12 and outputs a control signal for operating the solenoid valve 17 and the isolation valve 18; And Vehicle fire automatic fire extinguishing device, characterized in that it comprises a relay 21 for switching the control signal output from the control unit 20 to apply to the solenoid valve (17) and the separation valve (19). The method of claim 5, The solenoid valve 19 separates the extinguishing powder transferred from the mover 191 moving up and down according to a control signal in the upper center, the electromagnet coil 192 and the extinguisher 16 moving the mover 191. 19, a transfer passage for transferring to the solenoid valve 19 is provided, the through-hole 194 is centrally formed in the center of the transfer passage, the spherical manual valve having a key groove 196 at a predetermined position ( 193 and the key groove 194 of the manual valve 193 is inserted into the connecting projection of the key bundle 196, the lever 197 is rotated in conjunction with the manual valve switch 18, and the lever 197 Vehicle fire automatic fire extinguishing device comprising a nut (198) for fixing to the key bundle (196).