KR20140083608A - Fire-extinguishing apparatus for an automobile - Google Patents

Fire-extinguishing apparatus for an automobile Download PDF

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Publication number
KR20140083608A
KR20140083608A KR1020120153551A KR20120153551A KR20140083608A KR 20140083608 A KR20140083608 A KR 20140083608A KR 1020120153551 A KR1020120153551 A KR 1020120153551A KR 20120153551 A KR20120153551 A KR 20120153551A KR 20140083608 A KR20140083608 A KR 20140083608A
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KR
South Korea
Prior art keywords
collision
fire
automobile
gas generator
temperature
Prior art date
Application number
KR1020120153551A
Other languages
Korean (ko)
Inventor
하민규
Original Assignee
현대모비스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020120153551A priority Critical patent/KR20140083608A/en
Publication of KR20140083608A publication Critical patent/KR20140083608A/en

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

An automobile fire extinguishing system capable of suppressing a fire in the event of an automobile crash is provided.
To this end, in the automobile fire extinguishing system according to the embodiment of the present invention, when a fire occurs in the event of a collision of an automobile, the fire extinguishing powder inside the fire extinguishing means is injected into the passenger compartment due to the gas pressure generated in the gas generator, .

Description

FIRE-EXTINGUISHING APPARATUS FOR AN AUTOMOBILE

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire extinguishing device for an automobile, and more particularly, to a fire extinguishing device for an automobile capable of extinguishing a fire in the event of a collision of an automobile.

BACKGROUND ART [0002] Generally, automobiles are provided with various safeguards for protecting an occupant in the event of a collision. Typical examples thereof include an airbag that is inflated by a gas generated from a gas generator at the time of a collision to protect a passenger with a cushioning force.

However, even if the airbag protects the passenger at the time of the collision of the vehicle, if a fire occurs, the passenger without unconsciousness may suffer secondary damage due to the fire. Even if the passenger is conscious, It is difficult to suppress the fire quickly in a state of being perplexed.

Therefore, there is a demand for a device capable of suppressing a fire of an automobile in the event of a collision of the automobile.

An object of the present invention is to provide an automobile fire extinguishing system capable of suppressing a fire at the time of a crash of an automobile.

The problems of the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, an automobile fire extinguishing system according to a first embodiment of the present invention includes a collision detection sensor for detecting a collision signal value at the time of a collision of an automobile, a temperature sensor for sensing a temperature in the vehicle, Wherein the collision signal value detected by the collision sensor is greater than or equal to a set collision threshold value, and the collision signal value detected by the collision sensor is greater than or equal to a collision threshold value, And a controller for operating the gas generator to generate the gas in the gas generator when the temperature sensed by the temperature sensor is equal to or higher than a preset fire threshold value.

In addition, the automobile fire extinguishing system according to the second embodiment of the present invention includes a collision detection sensor for detecting a collision signal value at the time of a collision of an automobile, a temperature sensor for sensing the temperature in the vehicle room, An airbag deployed by the gas generated by the gas generator, extinguishing means for injecting the internal extinguishing powder into the passenger compartment by the gas generated by the gas generator, and a gas generator disposed between the gas generator and the extinguishing means And a controller for activating the gas generator when the collision signal value detected by the collision detection sensor is equal to or greater than a set collision threshold value and for opening the valve when the temperature sensed by the temperature sensor is equal to or higher than a set fire threshold value, .

The details of other embodiments are included in the detailed description and drawings.

The fire extinguishing device according to the present invention has an effect that the fire extinguishing means can squirt internal fire extinguishing powder into the passenger compartment by the gas pressure of the gas generator when a fire occurs in a car collision accident.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a side view showing a vehicle in which an automobile fire extinguishing system according to a first embodiment of the present invention is installed;
Fig. 2 is a view showing a side inner panel of a vehicle in which the fire extinguishing means shown in Fig. 1 is installed,
3 is a plan view showing a vehicle in which an automobile fire extinguishing system according to the first embodiment of the present invention is installed,
4 is a control block diagram showing an automobile fire extinguishing apparatus according to the first embodiment of the present invention,
FIG. 5 is a flowchart showing a control method of an extinguishing apparatus for an automobile according to the first embodiment of the present invention,
6 is a view showing an airbag and a gas generator in an automobile fire extinguishing apparatus according to a second embodiment of the present invention,
Fig. 7 is a view showing a state where the gas generator shown in Fig. 6 is connected to the extinguishing means;
8 is a control block diagram showing an automobile fire extinguishing apparatus according to a second embodiment of the present invention,
FIG. 9 is a flowchart illustrating a method of controlling an extinguishing apparatus for an automobile according to a second embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and how to accomplish them, will become apparent by reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an automobile fire extinguishing system according to embodiments of the present invention will be described with reference to the drawings.

1 is a side view showing an automobile in which an automobile fire extinguishing system according to a first embodiment of the present invention is installed.

Referring to FIG. 1, a vehicle in which an automobile fire extinguishing system according to a first embodiment of the present invention is installed is provided with a front door 2 and a rear door 3 on which a passenger is carried. A pillar 4 is arranged on the upper side of the front door 2 and a pillars 5 are arranged on the upper side of the rear door 3. The glass of the front door 2 B pillars 6 are arranged between the glasses of the rear door 3. [

Fig. 2 is a view showing a side inner panel of a vehicle in which the fire extinguishing means shown in Fig. 1 is installed.

1 and 2, a temperature sensor 20, a gas generator 50 (hereinafter, referred to as a " gas generator ") is provided on a side inner panel 7 disposed on the inside of the aileron 4, the pillars 5, And a fire extinguishing means 60 are provided.

The temperature sensing sensor 20 is disposed on the non-pillar 6 above the fire extinguishing means 60 to sense the temperature in the passenger compartment.

The gas generator 50 is filled with a gas generating medium, and generates gas when the gas generating medium explodes.

The fire extinguishing means 60 is filled with fire extinguishing powder so that the fire extinguishing powder is ejected into the passenger compartment by the pressure of the gas generated by the gas generator 50 connected to the lower portion, thereby suppressing the fire in the passenger compartment. The fire extinguishing means 60 is disposed vertically downward from the non-pillar 6 and positioned lower than the head height of the occupant sitting on the seat so that when the fire extinguishing powder is ejected into the passenger compartment, .

The fire extinguishing means 60 may be formed in the shape of a circular tube. In the spraying of the fire extinguishing powder filled in the inside of the vehicle, a plurality of ejection holes for ejecting toward the upper side of about 15 to 20 degrees are formed.

3 is a plan view showing a vehicle in which an automobile fire extinguishing system according to the first embodiment of the present invention is installed.

Referring to FIG. 3, an automobile on which an automobile fire extinguishing system according to the first embodiment of the present invention is installed is provided with a plurality of airbags 10, 12, 14, 16 for protecting passengers sitting on the seat 1 , A plurality of collision detection sensors (30, 35) for detecting a collision signal value at the time of a collision of an automobile in order to operate the plurality of airbags (10, 12, 14, 16) And a controller 40 for controlling the plurality of airbags 10, 12, 14, 16 by using signals outputted from the sensors 30,

The plurality of airbags 10, 12, 14, 16 include a driver's airbag 10 mounted on a steering wheel (not shown) to protect the driver, and a driver airbag 10 mounted on the top of a glove box (not shown) A side airbag 14 disposed on the side of the front door 2 of the seat 1 to protect the side surface of the occupant and a roof airbag 14 for protecting the head of the occupant And a curtain airbag (16) mounted on the side and developed between the front and rear doors (2, 3) and the occupant.

The plurality of collision detection sensors 30 and 35 are installed at respective parts of the vehicle so as to detect the collision position of the vehicle and are installed at the front of the vehicle to detect the impact amount applied to the vehicle body in the event of a collision, And a side impact sensor 35 installed at the side front and rear doors 2 and 3 of the vehicle for sensing a collision pressure applied to the vehicle body in the event of a collision.

The front impact sensors 30 are provided on the front left and right sides of the automobile and the side impact sensors 35 are provided on the front and rear doors 2 and 3 of the automobile.

The controller 40 controls the airbags 10, 12, 14, 16 using collision signal values sensed by the collision detection sensors 30, 35 at the time of a vehicle collision.

The controller 40 may be a conventional airbag control unit (ACU) installed in an automobile to control the airbags 10, 12, 14, 16, and the functions of the airbag control unit It may be an ECU (Electronic Control Unit) which is a representative control device.

The front impact sensor 30 measures the collision signal value and the controller 40 uses the collision signal value measured by the front impact sensor 30 to detect the collision of the airbags 10 and 12 .

Of course, in the case of an automobile side collision, the side impact sensor 35 measures the collision signal value, and the controller 40 uses the collision signal value measured by the side impact sensor 35 to calculate the airbag 14, 16 ).

That is, in using the collision signal value to control the airbags 10, 12, 14, 16, the controller 40 determines whether the front impact sensor 30 measures the collision signal And the collision signal value measured by the side impact sensor 35 is used in case of a side collision of the automobile.

The operation of the automobile fire extinguishing system according to the first embodiment of the present invention will be described with reference to FIGS. 4 and 5. FIG.

FIG. 4 is a control block diagram of an automobile fire extinguishing system according to a first embodiment of the present invention, and FIG. 5 is a flowchart of a method of controlling an automobile fire extinguishing system according to the first embodiment of the present invention.

Referring to FIGS. 4 and 5, in the event of an automobile collision, the collision detection sensors 30 and 35 detect a collision signal value (S1). In addition, the temperature sensor 20 senses the temperature in the passenger compartment (S2). The collision signal value sensed by the collision detection sensors 30 and 35 is input to the controller 40 and the temperature in the vehicle room sensed by the temperature sensing sensor 20 is also input to the controller 40. [

Thereafter, the controller 40 determines whether the collision signal value detected by the collision detection sensors 30 and 35 is equal to or greater than a set collision threshold value (S3).

If the collision signal value detected by the collision detection sensors 30 and 35 is smaller than the collision threshold value, the controller 40 determines that the collision is not a serious collision of the automobile and does not operate the gas generator 50. Therefore, the extinguishing means 60 does not eject the internal extinguishing powder into the passenger compartment.

That is, even if the temperature in the vehicle room detected by the temperature sensor 20 is higher than the set fire threshold, if the collision signal value detected by the collision detection sensors 30 and 35 is smaller than the collision threshold value, (40) does not operate the gas generator (50), so that the extinguishing means (60) does not eject the internal extinguishing powder into the passenger compartment. This is to prevent the fire extinguishing means 60 from spouting the fire extinguishing powder into the passenger compartment by raising the temperature in the passenger compartment due to direct sunlight beyond the fire threshold value in a state where the vehicle is not in a collision state.

If the collision signal value detected by the collision detection sensors 30 and 35 is equal to or greater than the collision threshold value, the controller 40 determines that the vehicle is in a serious collision accident, It is determined whether or not the temperature in the combustion chamber is equal to or higher than a set fire threshold value (S4).

The controller 40 determines that the temperature in the vehicle room detected by the temperature sensor 20 is less than the fire threshold value and does not operate the gas generator 50 because it is not a fire situation of the automobile. Therefore, the extinguishing means 60 does not eject the internal extinguishing powder into the passenger compartment.

That is, even if the collision signal value detected by the collision detection sensors 30 and 35 is higher than the set collision threshold value, if the temperature in the vehicle room sensed by the temperature sensor 20 is smaller than the fire threshold value, (40) does not operate the gas generator (50), so that the extinguishing means (60) does not eject the internal extinguishing powder into the passenger compartment. This is to prevent the fire extinguishing means 60 from ejecting the fire extinguishing powder inside the vehicle even if the fire condition of the automobile is not in a collision state of the automobile.

The controller 40 then activates the gas generator 50 to generate the gas in the gas generator 50 if the temperature in the vehicle room sensed by the temperature sensor 20 is above the fire threshold value S5). Therefore, when the automobile is in a collision situation and a fire situation, the fire extinguishing means 60 ejects the fire extinguishing powder into the passenger compartment, thereby suppressing the fire of the automobile.

FIG. 6 is a view showing an airbag and a gas generator in an automobile fire extinguishing system according to a second embodiment of the present invention, and FIG. 7 is a view showing a state where the gas generator shown in FIG. 6 is connected to the extinguishing means. Here, the same reference numerals are given to the same components as those of the first embodiment, and a detailed description thereof will be omitted and only different points will be described.

Referring to FIGS. 6 and 7, the automobile fire extinguishing system according to the second embodiment of the present invention differs from the first embodiment described above.

That is, in the first embodiment described above, the gas generator 50 is directly connected to the lower side of the digestion means 60 and installed in the side inner panel 7. In the second embodiment, however, the gas generator 50 is an airbag 14).

That is, in the automobile fire extinguishing system according to the second embodiment of the present invention, the gas generator 50 used for inflating the airbag is commonly used, and the fire extinguished powder filled in the fire extinguishing means 60 is injected into the vehicle So that it can be jetted.

However, even if the vehicle is not in a fire condition, the airbag 14 must be inflated by the gas generated by the gas generator 50 in case of a serious collision of the automobile. Therefore, the automobile fire extinguishing apparatus according to the second embodiment of the present invention A gas generator 50, and a fire extinguishing means 60 are installed.

The airbag 14 is a side airbag 14 that is installed on the backrest side of the seat 1 and is provided on the backrest side of the seat 1 together with the gas generator 50 so that the gas generated by the gas generator 50 So that the seat 1 of the seat 1 is deployed forward of the occupant.

The fire extinguishing means 60 is connected to the gas generator 50 and is arranged vertically downward from the non-pillar 6 as in the first embodiment described above.

The temperature detection sensor 20 is disposed in the non-pillar 6 above the extinguishing means 60 as in the first embodiment described above and the collision detection sensors 30 and 35 are also disposed in the same position as the first embodiment .

The operation of the automobile fire extinguishing system according to the second embodiment of the present invention will now be described with reference to FIGS. 8 and 9. FIG.

FIG. 8 is a control block diagram showing an automobile fire extinguishing apparatus according to a second embodiment of the present invention, and FIG. 9 is a flowchart showing a control method of an automobile fire extinguishing apparatus according to the second embodiment of the present invention.

Referring to FIGS. 8 and 9, in the event of a car collision, the collision detection sensors 30 and 35 detect a collision signal value (S10). In addition, the temperature sensor 20 senses the temperature in the passenger compartment (S20). The collision signal value sensed by the collision detection sensors 30 and 35 is input to the controller 40 and the temperature in the vehicle room sensed by the temperature sensing sensor 20 is also input to the controller 40. [

Thereafter, the controller 40 determines whether the collision signal value detected by the collision detection sensors 30 and 35 is equal to or greater than a collision threshold value (S30).

If the collision signal value detected by the collision detection sensors 30 and 35 is smaller than the collision threshold value, the controller 40 determines that the collision is not a serious collision of the automobile and does not operate the gas generator 50. Therefore, the airbag 14 is not deployed, and the fire extinguishing means 60 does not eject the inside fire extinguishing powder into the passenger compartment.

That is, even if the temperature in the vehicle room detected by the temperature sensor 20 is higher than the set fire threshold, if the collision signal value detected by the collision detection sensors 30 and 35 is smaller than the collision threshold value, The gas generator 40 does not operate the gas generator 50 so that the airbag 14 is not deployed and the fire extinguishing means 60 does not eject the fire extinguishing powder inside the vehicle. This is to prevent the airbag 14 from being deployed in a state other than the collision of the vehicle, and the temperature in the passenger compartment rises above the fire threshold value due to the direct sunlight, So that the fire-extinguishing powder is not ejected into the passenger compartment.

If the collision signal value detected by the collision detection sensors 30 and 35 is equal to or greater than the collision threshold value, the controller 40 determines that the collision is a serious collision of the vehicle, (Step S40).

Thereafter, the controller 40 determines whether the temperature in the vehicle room sensed by the temperature sensor 20 is equal to or higher than a set fire threshold value (S50).

If the temperature detected by the temperature sensor 20 is lower than the fire threshold value, the controller 40 determines that the fire condition of the vehicle is not a fire situation, and closes the valve 70 (S70). Therefore, the fire extinguishing means 60 does not eject the fire extinguishing powder inside the vehicle, and only the airbag 14 is deployed.

That is, even if the collision signal value detected by the collision detection sensors 30 and 35 is higher than the set collision threshold value, if the temperature in the vehicle room sensed by the temperature sensor 20 is smaller than the fire threshold value, The gas generator 40 activates the gas generator 50 but closes the valve 70 so that the extinguishing means 60 does not eject the internal extinguishing powder into the passenger compartment and only the air bag 14 can be deployed. This is to prevent the fire extinguishing means 60 from ejecting the fire extinguishing powder inside the vehicle even if the fire condition of the automobile is not in a collision state of the automobile.

If the temperature detected by the temperature sensor 20 is equal to or higher than the fire threshold value, the controller 40 determines that the vehicle is in a fire condition and opens the valve 70 (S60). Therefore, when the automobile is in a collision state and in a fire situation, the fire extinguishing means 60 ejects fire extinguishing powder inside the vehicle, thereby suppressing the fire of the automobile.

As described above, in the automobile fire extinguishing system according to the present invention, when a fire occurs in an automobile collision accident, the fire extinguishing means (60) ejects the inside fire extinguishing powder into the vehicle room by the gas pressure generated in the gas generator Fire can be suppressed.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative and non-restrictive in every respect. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted.

1: Sheet 6: B Pillar
14: air bag 20: temperature sensor
30, 35: Collision detection sensor 40: Controller
50: gas generator 60: fire extinguishing means
70: Valve

Claims (8)

A collision detection sensor for detecting a collision signal value at the time of a collision of an automobile;
A temperature sensing sensor for sensing the temperature in the passenger compartment;
A gas generator for generating gas;
An extinguishing means for injecting the internal extinguishing powder into the passenger compartment by the gas generated by the gas generator; And
Wherein when the collision signal value detected by the collision detection sensor is equal to or greater than a set collision threshold value and the temperature detected by the temperature sensor is equal to or greater than a preset fire threshold value, And a controller for operating the engine. The method according to claim 1,
Wherein the fire extinguishing means is disposed vertically downward from the B pillar. The method of claim 2,
Wherein the temperature sensor is disposed in the non-pillar above the fire extinguishing means. A collision detection sensor for detecting a collision signal value at the time of a collision of an automobile;
A temperature sensing sensor for sensing the temperature in the passenger compartment;
A gas generator for generating gas;
An air bag deployed by the gas generated by the gas generator;
An extinguishing means for injecting the internal extinguishing powder into the passenger compartment by the gas generated by the gas generator;
A valve disposed between the gas generator and the extinguishing means; And
And a controller for activating the gas generator if the collision signal value detected by the collision detection sensor is greater than or equal to a set collision threshold value and for opening the valve when the temperature sensed by the temperature sensor is equal to or higher than a set fire threshold value The fire extinguisher of the car. The method of claim 4,
Wherein the controller closes the valve if the temperature sensed by the temperature sensor is less than the fire threshold. The method of claim 4,
Wherein the gas generator and the airbag are disposed in a seat. The method of claim 4,
Wherein the fire extinguishing means is disposed vertically downward from the bipyram. The method of claim 7,
Wherein the temperature sensor is disposed in the non-pillar above the fire extinguishing means.
KR1020120153551A 2012-12-26 2012-12-26 Fire-extinguishing apparatus for an automobile KR20140083608A (en)

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Application Number Priority Date Filing Date Title
KR1020120153551A KR20140083608A (en) 2012-12-26 2012-12-26 Fire-extinguishing apparatus for an automobile

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Application Number Priority Date Filing Date Title
KR1020120153551A KR20140083608A (en) 2012-12-26 2012-12-26 Fire-extinguishing apparatus for an automobile

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KR20140083608A true KR20140083608A (en) 2014-07-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160101430A (en) * 2015-02-17 2016-08-25 김영숙 Device for Extinguishing Fire of Engine Room and Method thereof
KR102523330B1 (en) * 2022-08-26 2023-04-19 (주) 이레인모터스포트 roll cage for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160101430A (en) * 2015-02-17 2016-08-25 김영숙 Device for Extinguishing Fire of Engine Room and Method thereof
KR102523330B1 (en) * 2022-08-26 2023-04-19 (주) 이레인모터스포트 roll cage for vehicle

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