JPH06127319A - Automobile with safety device - Google Patents

Abstract

PURPOSE:To provide an automobile with a safety device which can prevent a fire from an engine room and the like when an accident is generated, and can release the door lock automatically, or can release the lock from the outer side after the accident is generated, even though a condition the occupants cannot release the door lock to escape is generated. CONSTITUTION:A fire fighting means 6 is operated by the detecting signals from temperature sensors 4A and 4B to detect the abnormal temperature near an engine room or a gasoline tank, so as to spray a fire extinguisher in a fire extinguisher tank 3 to the engine room and to the inside of the gasoline tank. Also a valve 14 provided to a fuel feeding pipe 13 is closed. The fire fighting means 6 can be operated also by the signal from a reduction sensor 5 to detect a sudden reduction of the car speed. Furthermore, a delay operation circuit to release the lock when a set time has passed after the signal of the reduction sensor 5 is input is provided to the autolock mechanism of a door handle, or a manual lock releasing mechanism to release the lock from the outer side of the car is added.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention prevents a vehicle fire from occurring in the event of an accident such as a collision, promptly rescues an occupant trapped inside the vehicle, and a rear-end collision with the vehicle. The present invention relates to a vehicle with a safety device in which measures are taken to prevent

[0002]

2. Description of the Related Art Conventionally, in order to protect an occupant from a shock when a collision accident occurs, a seat belt or an air bag is provided to prevent the occupant from jumping forward due to inertia, and a cushioning material around the instrument panel. I was covering it. In addition, an auto-lock mechanism is provided to prevent the door from opening naturally due to the impact of a collision, a bumper with an excellent cushioning function is installed, or
For example, it adopted a gasoline tank that is not easily damaged during a collision.

[0003]

If the above safety measures are taken, the risk of injury or death to the occupants in the vehicle is greatly reduced even if a collision accident should occur. However, if it is impossible to get out of the car by unlocking the door lock by yourself because you are stuck in a broken car body due to the impact force and become unable to move or get seriously injured, a rescuer outside the car We must rescue them as soon as possible. Especially when a fire broke out from the engine room or trunk room. Therefore, an object of the present invention is to automatically extinguish a fire from the engine room or the tractor room in the event of a fire, or to prevent the fire from occurring in advance, and also in the event of an accident such as a collision or a fall. Even if you are unable to escape by unlocking the door yourself, you can either automatically unlock the door after an accident occurs, or let the rescuer easily unlock from the outside of the vehicle, Another object of the present invention is to provide a vehicle with a safety device that can also warn a following vehicle.

[0004]

In order to achieve the above object, a vehicle with a safety device according to the present invention has a temperature sensor 4A for detecting that the temperature in the vicinity of the engine 1 or the gasoline tank 10 has risen above a set level. , 4B, the extinguishant tank 3, and the extinguishant in the extinguishant tank 3 based on the detection signals of the temperature sensors 4A and 4B.
The fire extinguishing means 6 for ejecting into the interior or the gasoline tank 10 is provided. A normally open valve 14 is provided in the fuel supply pipe 13 that connects the gasoline tank 10 and the engine 1.
And the valve 14 is closed based on the detection signals of the temperature sensors 4A and 4B. Further, a deceleration sensor 5 for detecting that the degree of deceleration of the vehicle speed exceeds the set level is provided, and the extinguishing means 6 may be activated based on the detection signal of the deceleration sensor 5.
Further, the auto-lock mechanism of the door handle 9 may be provided with a delay operation circuit for releasing the lock after a set time has elapsed after the detection signal of the deceleration sensor 5 is input. Alternatively, a lock manual release mechanism 30 for manually unlocking the locked door handle 9 may be provided, and the release operation portion may be located outside the vehicle body. Further, the warning lamp 11 provided outside the vehicle body may be turned on based on the detection signal of the temperature sensors 4A, 4B or the deceleration sensor 5.

[0005]

In the event of an accident, if the temperature of the engine 1 or the vicinity of the gasoline tank 10 rises above a set level, the temperature sensors 4A and 4B detect this and the fire extinguishing means 6 is activated based on the detection signal. The extinguishant in the extinguishant tank 3 is ejected toward the engine room or the gasoline tank 10. Further, based on the detection signals of the temperature sensors 4A and 4B, the normally open valve 14 provided in the fuel supply pipe 13 connecting the gasoline tank 10 and the engine 1 is closed. Alternatively, when the deceleration of the vehicle speed increases beyond the set level at the time of a vehicle collision, the deceleration sensor 5 detects this and the extinguishing means 6 is activated based on the detection signal. On the other hand, in the operating circuit of the automatic lock mechanism of the door handle 9, the deceleration sensor 5
By providing a delay activation circuit that unlocks after a set time after the detection signal is input, the door is kept locked at the moment of the collision and the occupant is prevented from being thrown out of the vehicle. Get off. Further, since the lock is automatically released after the collision, the work of rescue of the occupant to the outside of the vehicle can be performed quickly. Furthermore, if the lock of the door handle 9 is released from the outside of the vehicle and the lock manual release mechanism 30 is additionally provided, it is possible to promptly deal with the case where the automatic lock mechanism is damaged.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a passenger car will be described below with reference to FIGS. 1 and 2 showing the side surfaces of the car and the disposition of safety devices. In the engine room A in the front of the vehicle body, the temperature in the vicinity of the engine 1, the microcomputer 2 for controlling various operations of the automobile and for activating the safety device of the present invention, the fire extinguishing agent tank 3, and the engine 1 is higher than a set level. A temperature sensor 4A for detecting that the temperature has risen and a deceleration sensor 5 for detecting that the deceleration rate of the vehicle speed has increased beyond a set level are provided. A fire-extinguishing agent tank 3 filled with a known fire-extinguishing agent is connected to a fire-extinguishing agent pipe 7, and an injection valve 6 as a fire-extinguishing device attached to the tip of the fire-extinguishing agent pipe 7 is installed toward the engine 1.

A known electromagnetically actuated auto-lock mechanism (not shown) is attached to each of the door handles 9 provided on each of the four doors 8 of the vehicle compartment B.

In the trunk room C, a gasoline tank 1
0, a temperature sensor 4B that detects that the temperature in the vicinity of the gasoline tank 10 has risen to a set level or higher, and a warning light 11 that notifies the following vehicle of the occurrence of an accident. Further, the injection valve 6 is installed toward the inside of the gasoline tank 10 so that the extinguishant in the extinguishant tank 3 is supplied through the extinguishant pipe 12.

Further, the fuel supply pipe 13 connecting the gasoline tank 10 and the engine 1 has a normally open solenoid valve.
14 is interposed. The solenoid valve 14 is opened / closed by a command from the microcomputer 2.

Next, the operation of the above configuration will be described. Should a collision or a fall accident occur while the vehicle is running, the deceleration sensor 5 detects that the deceleration rate of the vehicle speed has rapidly increased beyond the set level, and the detection signal is sent to the microcomputer 2. Input. This input signal ensures the locked state from the time of collision until a predetermined time, for example 2 to 3 seconds, by the action of the delay operation circuit attached to the lock release circuit of the door handle 9 provided in the microcomputer 2. After the delay time has elapsed, a lock release command is issued to unlock the door handle 9.

Therefore, at the time of a collision, the door handle 9 is kept locked, and the shock of the collision does not cause the door to open and the passenger to be thrown out of the vehicle. However, after the momentary shock has subsided, the door handle 9 is automatically unlocked as described above, which makes it impossible for the occupant to open the door 8 as described above. However, unlike the conventional method, the rescuer outside the vehicle does not have to spend unnecessary time until the body cutting machine and other rescue equipment arrive.

If the microcomputer 2 operates the injection valve 6 based on the detection signal of the deceleration sensor 5, the extinguishing agent will be present around the engine 1 and in the gasoline tank 10 at the moment of collision. Since it is injected, the possibility of fire igniting gasoline and eliminating a fire is also eliminated. Further, based on the detection signal of the deceleration sensor 5, the warning light 11 whose lighting state is different from that of the brake light blinks, so that the following vehicle is given a margin to perform the emergency evacuation operation.

Next, FIG. 3 shows an example of a lock manual unlocking mechanism for manually unlocking the door handle 9. Since there are various types of known lock mechanisms for the door handle 9, the structure thereof is schematically shown in this figure. That is, 21 is a swing claw attached to the door 8 side,
One end side of the swinging claw 21 which rotates up and down around the pin 22 is engaged with a stopper 23 provided on the vehicle body.

Reference numeral 31 denotes a lock releasing rod which is a main body portion of the manual lock releasing mechanism 30, the upper end of which is hooked on the other end of the swinging pawl 21 and the lower end thereof projects downward from a through hole d formed in the floor D of the vehicle body. I am letting you. Reference numeral 32 denotes a bracket fitted in the through hole d portion, which plays a role of inserting the lower portion of the unlocking rod 31 and holding it. Reference numeral 33 is a biasing spring that pulls the unlocking rod 31 downward, and 34 is a contact plate or lever attached to the lower end of the unlocking rod 31, which facilitates the unlocking operation.

Next, the operation of the above configuration will be described. When a collision accident occurs, the electric system for releasing the automatic lock mechanism of the door handle 9 may be destroyed. Also, some automobiles do not have an auto-lock mechanism. Then, when the occupant of the accident vehicle cannot release the lock of the door handle 9 by himself / herself, the rescuer outside the vehicle may set the lower end of the unlocking rod 31 protruding below the vehicle body floor D to, for example, You can easily unlock various types of door lock mechanism by just pushing up by kicking with your foot.

[0016]

As is apparent from the above description, the vehicle with the safety device of the present invention automatically detects a fire from the engine room or the trunk room in the event of an accident such as a collision or a fall. The fire can be extinguished and the fire can be prevented. Also, even if the occupant himself unlocks the door and is unable to escape, the door can be unlocked automatically after an accident occurs, or the lock can be easily unlocked from outside the vehicle. Since it is equipped with a safety device, it is possible to eliminate the inconvenience of having to open the door of an accident vehicle and lose human life as in the past. Further, the warning light can be used to warn the following vehicle to allow a margin for rear-end collision avoidance operation.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment in which the present invention is applied to a passenger car.

FIG. 2 is a plan view explaining an arrangement state of the safety device.

FIG. 3 is a schematic explanatory view showing an example of a lock manual release mechanism.

[Explanation of symbols]

 A engine room B vehicle room C trunk room D vehicle floor 1 engine 2 microcomputer 3 extinguishant tank 4 A, AB temperature sensor 5 deceleration sensor 6 injection valve (extinguishing means) 7, 12 extinguishant piping 8 door 9 door handle 10 gasoline tank 11 Warning Light 13 Fuel Supply Pipe 14 Solenoid Valve (Valve) 21 Swing Claw 22 Pin 23 Stopper 30 Lock Manual Release Means 31 Lock Release Rod 32 Bracket 33 Spring 34 This Plate

Claims (6)

[Claims] 1. A temperature sensor 4A, 4B for detecting that the temperature near the engine 1 or the gasoline tank 10 has risen to a set level or higher, an extinguishant tank 3, and a detection signal of the temperature sensor 4A, 4B. A vehicle with a safety device, further comprising: a fire extinguishing means 6 for ejecting the fire extinguishing agent in the fire extinguishing agent tank 3 into the engine room A or the gasoline tank 10. 2. The gasoline tank 10 and the engine 1
A normally-open type valve 14 is interposed in a fuel supply pipe 13 that connects to, and based on the detection signals of the temperature sensors 4A and 4B,
The vehicle with a safety device according to claim 1, wherein the valve 14 is closed. 3. A deceleration sensor 5 for detecting that the degree of deceleration of the vehicle speed has increased beyond a set level, and the fire extinguishing means 6 is activated based on a detection signal of the deceleration sensor 5. The vehicle with a safety device according to claim 1 or 2, characterized in that. 4. The automatic lock mechanism of the door handle 9 is provided with a delay operation circuit for unlocking after a set time after the detection signal of the deceleration sensor 5 is input. An automobile with a safety device according to any one of 1 to 3. 5. A lock manual unlocking mechanism 30 for manually unlocking the locked door handle 9, and a unlocking operation portion thereof is provided outside the vehicle body. A vehicle with a safety device according to any of the above. 6. A warning lamp 11 provided outside the vehicle body is turned on based on a detection signal of the temperature sensors 4A, 4B or the deceleration sensor 5.
An automobile with a safety device according to any one of items 5 to 5.