KR20040072920A - Apparatus for protecting passenger in vehicle - Google Patents

Apparatus for protecting passenger in vehicle Download PDF

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Publication number
KR20040072920A
KR20040072920A KR1020030008581A KR20030008581A KR20040072920A KR 20040072920 A KR20040072920 A KR 20040072920A KR 1020030008581 A KR1020030008581 A KR 1020030008581A KR 20030008581 A KR20030008581 A KR 20030008581A KR 20040072920 A KR20040072920 A KR 20040072920A
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KR
South Korea
Prior art keywords
vehicle
passenger
airbag module
head
occupant
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Application number
KR1020030008581A
Other languages
Korean (ko)
Inventor
김영석
고창성
Original Assignee
현대모비스 주식회사
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Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020030008581A priority Critical patent/KR20040072920A/en
Publication of KR20040072920A publication Critical patent/KR20040072920A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/888—Head-rests with arrangements for protecting against abnormal g-forces, e.g. by displacement of the head-rest
    • 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
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • 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
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
    • B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
    • B60R2021/2074—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats in head rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/304—Acceleration sensors
    • B60Y2400/3042—Collision sensors

Abstract

PURPOSE: A device for protecting a passenger in a vehicle is provided to absorb impact applied to the head and neck of the passenger on a vehicle collision by installing an airbag module at a head rest formed at the upper part of a seat. CONSTITUTION: A device for protecting a passenger in a vehicle is composed of a collision detecting sensor(70) installed at one side of the vehicle and outputting a signal on a vehicle collision, an airbag module(54), and a control unit(60). The airbag module is installed at a head rest(52a) formed at the upper part of a seat(52), and absorbs impact applied to the head and neck of the passenger on a vehicle collision. The control unit receives the signal from the collision detecting sensor, and operates the airbag module.

Description

자동차의 탑승자 보호 장치 { Apparatus for protecting passenger in vehicle }Apparatus for protecting passenger in vehicle}

본 발명은 자동차의 탑승자 보호 장치에 관한 것으로써, 특히 차량이 전방이나 후방에서 추돌 후, 탑승자의 머리 뒷편에 가해지는 충격으로부터 보호하기 위한 자동차의 탑승자 보호 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle occupant protection device, and more particularly, to a vehicle occupant protection device for protecting against a shock applied to the back of a passenger's head after a vehicle collides from the front or the rear.

일반적으로 차실 내에 있는 탑승자를 차량의 외부 추돌에 의한 충격으로부터 보호하기 위한 자동차의 탑승자 보호 장치로는 차량용 에어백이 가장 널리 사용되고 있으며, 상기 차량용 에어백은 핸들에 장착되어 탑승자를 보호하는 운전자용 에어백과, 조수석 전면의 인스트루먼트 패널에 설치되어 조수석의 승객을 보호하는 조수석 에어백으로 크게 구분되나, 최근 들어서는 차량의 측면에서의 추돌로 인한 충격흡수를 위하여 차량의 도어 내측에도 에어백을 장착하는 승용차도 증가하고 있다.In general, a vehicle airbag is most widely used as a vehicle occupant protection device for protecting a passenger in a vehicle from an impact caused by an external collision of the vehicle, and the vehicle airbag is mounted on a steering wheel to protect a passenger, and Passenger airbags are installed in the instrument panel on the front of the passenger seat to protect passengers of the passenger seat. However, in recent years, the number of passenger cars equipped with airbags on the inside of the vehicle doors is also increasing to absorb shocks caused by collisions on the side of the vehicle.

차량이 상대 차량 또는 장애물과 추돌하는 경우, 탑승자는 전진하려는 관성에 의하여 차실 내에 설치된 돌출물에 부딪치거나 튕겨져 나가게 된다. 즉, 운전자의 상체가 순간적으로 앞으로 전진되어 핸들에 가슴부위와 머리 부분이 충돌하여 상해를 입게 되고, 앞좌석 탑승자는 차량의 인스트러먼트 판넬 부분에 부딪치거나 앞 유리창을 뚫고 밖으로 튕겨져 나가서 상해를 입게 된다.When a vehicle collides with an opponent vehicle or an obstacle, the occupant hits or bounces off a protrusion installed in the cabin by the inertia to move forward. In other words, the driver's upper body is momentarily advanced forward to injure the chest and head of the steering wheel, and the front occupant is injured by hitting the instrument panel of the vehicle or by bouncing off the windshield. Will wear.

이러한 탑승자의 상해를 줄이고 생명을 보호하는 자동차의 탑승자 보호장치는 도 1에 도시된 바와 같이, 조향 핸들(미도시)이나 보조석 앞의 인스트러먼트 판넬(미도시) 근방에 설치되어 차체(5)의 추돌 시 부풀어져 나와 차실 내의 돌출물과탑승자 사이에 완충작용을 하여 탑승자의 안면과 가슴 등을 보호하는 에어백(10) 등을 포함한다.As shown in FIG. 1, the occupant protection device of the vehicle which reduces the injuries of the occupants and protects the life of the vehicle is installed near the steering wheel (not shown) or the instrument panel (not shown) in front of the passenger seat. The airbag 10 and the like to protect the occupant's face and chest by cushioning the bulge during the collision of the passengers and the passengers in the cabin.

그러나, 종래의 자동차의 탑승자 보호장치는 상기 조향핸들이나 보조석의 인스트러먼트 판넬 근방에만 한정되어 에어백(10)이 설치되므로 차량이 정면에서 상대 차량이나 장애물과 추돌하여 탑승자의 상체가 전방으로 순간 전진되었다가 다시 후방으로 복귀되면서 탑승자의 머리가 시트(20)의 상측에 형성된 헤드 레스트(20a) 등과 부딪치게되는 2차 충돌의 경우나, 차량이 후방에서 추돌되어 탑승자의 머리가 후방으로 순간적으로 젖혀지면서 상기 헤드 레스트(20a) 등에 충돌되는 경우, 탑승자가 상기한 바와 같은 충격으로부터 보호되지 못하는 문제점이 있다.However, the conventional vehicle occupant protection device is limited to the vicinity of the instrument panel of the steering wheel or the auxiliary seat, and the airbag 10 is installed. Therefore, the upper body of the occupant is momentarily advanced forward by colliding with an opponent vehicle or an obstacle in front of the vehicle. In the case of a secondary collision in which the head of the occupant collides with the head rest 20a formed on the upper side of the seat 20 or the vehicle is collided from the rear, and the head of the occupant is flipped back momentarily. In the case of collision with the head rest 20a or the like, there is a problem that the occupant is not protected from the shock as described above.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 차량의 추돌이 일어난 경우, 탑승자의 머리나 목에 가해지는 충격을 완충하는 자동차의 탑승자 보호 장치를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, an object of the present invention is to provide a vehicle occupant protection device for cushioning the impact on the occupant's head or neck when a vehicle collision occurs.

도 1은 일반적인 자동차의 탑승자 보호 장치가 도시된 평면도,1 is a plan view showing a passenger protection device of a typical vehicle,

도 2는 본 발명에 따른 자동차의 탑승자 보호 장치가 도시된 구성도,Figure 2 is a block diagram showing a passenger protection device of the vehicle according to the present invention,

도 3은 본 발명의 요부 구성인 에어백 모듈의 분해 사시도,3 is an exploded perspective view of an airbag module that is a main component of the present invention;

도 4는 본 발명의 요부 구성인 에어백 모듈이 작동된 상태가 도시된 개략도이다.4 is a schematic diagram showing a state in which an airbag module, which is a main component of the present invention, is operated.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

52: 시트 52a: 헤드 레스트52: seat 52a: headrest

54: 에어백 모듈 54a: 인플레이터54: airbag module 54a: inflator

54b: 리어 하우징 54c: 프론트 하우징54b: rear housing 54c: front housing

54d: 리테이너 54e: 에어백54d: Retainer 54e: Air Bag

60: 제어부 70: 추돌 감지센서60: control unit 70: collision detection sensor

80: 탑승자80: occupant

상기한 과제를 해결하기 위한 본 발명에 따른 자동차의 탑승자 보호 장치는 차량의 일측에 설치되어 차량의 전, 후방 추돌시 신호를 발생시키는 추돌 감지센서와, 차실 내 시트 상부에 설치되어 차량의 추돌시 부풀어올라 탑승자의 머리와 목에 가해지는 충격을 완충하는 에어백 모듈과, 상기 추돌 감지센서의 감지신호에 따라 상기 에어백 모듈을 작동하도록 하는 제어부를 포함하여 구성된 것을 특징으로 한다.The occupant protection device of a vehicle according to the present invention for solving the above problems is a collision detection sensor that is installed on one side of the vehicle to generate a signal when the front and rear of the vehicle, and installed in the upper seat of the vehicle when the vehicle crashes And a control unit configured to operate the airbag module according to a detection signal of the collision detection sensor, and an airbag module that inflates the shock applied to the head and neck of the occupant.

이하, 첨부된 도면을 참조하여 본 발명의 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명에 따른 자동차의 탑승자 보호 장치가 도시된 구성도이고, 도 3은 본 발명의 요부 구성인 에어백 모듈의 분해 사시도이며, 도 4는 본 발명의 요부 구성인 에어백 모듈이 작동된 상태가 도시된 개략도이다.Figure 2 is a block diagram showing a passenger protection device of the vehicle according to the present invention, Figure 3 is an exploded perspective view of the airbag module of the main component of the present invention, Figure 4 is a state in which the airbag module of the main component of the present invention is operated Is a schematic diagram shown.

상기 본 발명에 따른 자동차의 탑승자 보호 장치는 도 2 내지 도 3에 도시된 바와 같이, 차량의 일측에 설치되어 차량의 전, 후방 추돌시 차량의 감속도를 측정함으로써 추돌을 감지하여 신호를 발생시키는 추돌 감지센서(70)와, 차실 내 시트(52)의 상부에 설치되어 차량의 추돌시 부풀어올라 탑승자의 머리나 목에 가해지는 충격을 완충하는 에어백 모듈(54)과, 상기 추돌 감지센서(70)에서 발생된 감지신호가 전달되고 이에 따라 상기 에어백 모듈(54)을 작동하도록 하는 제어부(60)를 포함하여 구성된다.The vehicle occupant protection device according to the present invention, as shown in Figures 2 to 3, is installed on one side of the vehicle to detect the collision by measuring the deceleration of the vehicle during the front and rear collision of the vehicle to generate a signal Collision detection sensor 70 and the airbag module 54 is installed on the upper portion of the vehicle seat 52 to swell when the vehicle collides to cushion the impact on the passenger's head or neck, and the collision detection sensor 70 It is configured to include a control unit 60 for transmitting the detection signal generated in the) accordingly to operate the airbag module 54.

여기서, 상기 시트(52)의 상측에는 탑승자가 착석 후 머리를 기댈 수 있도록 헤드 레스트(52a)가 장착되고, 상기 에어백 모듈(54)은 상기 헤드 레스트(52a)의 내측에 설치된다.Here, the head rest 52a is mounted on the upper side of the seat 52 so that the occupant can lean his head after sitting, and the airbag module 54 is installed inside the head rest 52a.

그리고, 상기 에어백 모듈(54)은 상기 제어부(60)의 신호에 따라 가스를 발생시키는 인플레이터(54a)와, 상기 인플레이터(54a)가 측부로부터 삽입 장착되며 상기 인플레이터(54a)에서 발생된 가스가 확산되는 디퓨저를 형성하는 리어 하우징(54b)과, 상기 인플레이터(54a)에서 발생된 가스에 의해 부풀어올라 탑승자의 머리나 목의 충격을 완충하는 에어백(54e)과, 상기 리어 하우징(54b)의 앞쪽에서 결합되고 시트에 고정되며 상기 에어백(54e)이 수납되는 프론트 하우징(54c)과, 상기 리어 하우징(54b)의 내측에 고정되어 상기 에어백(54e)을 지지하는 리테이너(54d)로 구성된다.In addition, the airbag module 54 includes an inflator 54a for generating gas in response to a signal from the control unit 60, and the inflator 54a is inserted from the side, and the gas generated in the inflator 54a is diffused. A rear housing 54b which forms a diffuser, an airbag 54e which is inflated by the gas generated in the inflator 54a and cushions the impact of the occupant's head or neck, and in front of the rear housing 54b. It is composed of a front housing (54c) coupled and fixed to the seat and the airbag (54e) is accommodated, and a retainer (54d) fixed to the inside of the rear housing (54b) to support the airbag (54e).

상기와 같이 구성된 본 발명의 동작을 살펴보면 다음과 같다.Looking at the operation of the present invention configured as described above are as follows.

차량이 전방에서 상대방 차량이나 장애물과 추돌하게 되면, 차량이 급정거 하게 되므로 탑승자의 상체는 관성에 의하여 순간 앞쪽으로 전진되었다가 후방으로 복귀되고, 또한 차량이 후방에서 다른 차량이나 장애물과 추돌하게 되면 마찬가지로 관성에 의하여 탑승자의 상체가 후방으로 젖혀지게 된다.If the vehicle collides with the other vehicle or obstacle in front of the vehicle, the vehicle stops suddenly, so the upper body of the occupant is advanced forward by moment of inertia and then returned to the rear, and if the vehicle collides with another vehicle or obstacle from the rear, The upper body of the occupant is folded backward by the inertia.

여기서, 차량이 추돌되면 차량에는 감속도, 즉 속도의 급격한 저하가 발생되므로 상기 추돌 감지센서(70)가 이를 감지하게 된다.In this case, when the vehicle collides, since the deceleration, that is, a sudden drop in speed occurs, the collision sensor 70 detects this.

상기 추돌 감지센서(70)가 차량의 추돌사실을 감지하면 추돌 신호를 발생하여 이를 상기 제어부(60)로 전송하게 되고, 그에 따라 상기 제어부(60)는 상기 에어백 모듈(54)에 작동 신호를 전달하게 된다.When the collision detection sensor 70 detects a collision fact of the vehicle, it generates a collision signal and transmits it to the control unit 60. Accordingly, the control unit 60 transmits an operation signal to the airbag module 54. Done.

이후, 작동 신호를 전달받은 상기 에어백 모듈(54)의 상기 인플레이터(54a)는 고압의 가스를 발생시키고, 이 가스는 상기 리어 하우징(54b)의 내부에서 확산된 후, 상기 리테이터(54d)의 구멍을 통해 상기 프론트 하우징(54c) 내의 에어백(54e)에 주입되어 상기 에어백(54e)이 팽창된다.Thereafter, the inflator 54a of the airbag module 54 receiving the operation signal generates a high-pressure gas, which is diffused inside the rear housing 54b, and then the The airbag 54e is inflated by being injected into the airbag 54e in the front housing 54c through a hole.

이때, 상기 에어백(54e)이 전개되면서 상기 헤드 레스트(52a)의 외측면에 압력을 가하게 되므로, 상기 헤드 레스트(52a)의 외측면은 파단 라인을 따라 파단되고, 상기 헤드 레스트(52a)의 외측면이 파단되면 상기 에어백(54e)은 상기 헤드 레스트(52a)에서 튕겨 나와 부풀어올라 완전히 전개된다.At this time, since the airbag 54e is deployed, pressure is applied to the outer surface of the head rest 52a, so that the outer surface of the head rest 52a is broken along the break line, and the outer side of the head rest 52a is exposed. When the side is broken, the airbag 54e is ejected from the head rest 52a and inflates to fully deploy.

도 4에 도시된 바와 같이, 상기 에어백(54e)이 완전히 팽창되는 순간에 탑승자(80)은 상기 에어백(54a)과 충돌됨으로써 탑승자(80)의 머리나 목에 가해지는 충격을 상기 에어백(54a)이 흡수하여 탑승자(80)의 상해 정도를 감소시킨다.As shown in FIG. 4, at the moment when the airbag 54e is fully inflated, the occupant 80 collides with the airbag 54a, thereby impacting the head or neck of the occupant 80 by the airbag 54a. This absorption reduces the degree of injury of the occupant 80.

상기와 같이 구성되는 본 발명에 따른 자동차의 탑승자 보호 장치는 차량이 전방, 또는 후방에서 추돌하면 이를 감지하여 탑승자의 헤드 레스트에 설치된 에어백을 팽창시키므로써 탑승자의 머리나 목에 가해지는 충격을 완화하여 탑승자의 상해 정도를 감소시키는 효과가 있다.The occupant protection device of a vehicle according to the present invention configured as described above relieves the impact on the occupant's head or neck by inflating an airbag installed in the head rest of the occupant by detecting it when the vehicle collides from the front or the rear. There is an effect of reducing the degree of injury of the occupants.

Claims (2)

차량의 일측에 설치되어 차량의 전, 후방 추돌시 신호를 발생시키는 추돌 감지센서와, 차실 내 시트 상부에 설치되어 차량의 추돌시 부풀어올라 탑승자의 머리와 목에 가해지는 충격을 완충하는 에어백 모듈과, 상기 추돌 감지센서의 감지신호에 따라 상기 에어백 모듈을 작동하도록 하는 제어부를 포함하여 구성된 것을 특징으로 하는 자동차의 탑승자 보호 장치.A collision detection sensor installed at one side of the vehicle to generate a signal when the vehicle collides with the front and rear, and an airbag module installed at the upper part of the vehicle seat to inflate the impact of the passenger's head and neck when the vehicle collides; And a control unit configured to operate the airbag module according to the detection signal of the collision detecting sensor. 제 1항에 있어서,The method of claim 1, 상기 에어백 모듈은 상기 시트의 상측에 형성된 헤드 레스트에 설치된 것을 특징으로 하는 자동차의 탑승자 보호 장치.And the airbag module is installed on a head rest formed above the seat.
KR1020030008581A 2003-02-11 2003-02-11 Apparatus for protecting passenger in vehicle KR20040072920A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111169348A (en) * 2020-03-02 2020-05-19 日照职业技术学院 Automobile safety seat capable of quickly protecting head in emergency
KR20200140990A (en) * 2019-06-09 2020-12-17 구자림 Assisted seat device for vehicle to reduce the distance traveled by passenger in the event of a collision or sudden braking-2

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200140990A (en) * 2019-06-09 2020-12-17 구자림 Assisted seat device for vehicle to reduce the distance traveled by passenger in the event of a collision or sudden braking-2
CN111169348A (en) * 2020-03-02 2020-05-19 日照职业技术学院 Automobile safety seat capable of quickly protecting head in emergency

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