KR20060039518A - System for curtain air bag for vehicle - Google Patents

System for curtain air bag for vehicle Download PDF

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Publication number
KR20060039518A
KR20060039518A KR1020040088623A KR20040088623A KR20060039518A KR 20060039518 A KR20060039518 A KR 20060039518A KR 1020040088623 A KR1020040088623 A KR 1020040088623A KR 20040088623 A KR20040088623 A KR 20040088623A KR 20060039518 A KR20060039518 A KR 20060039518A
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KR
South Korea
Prior art keywords
vehicle
airbag
filler hose
gas
inflator
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KR1020040088623A
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Korean (ko)
Inventor
송준영
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현대모비스 주식회사
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Priority to KR1020040088623A priority Critical patent/KR20060039518A/en
Publication of KR20060039518A publication Critical patent/KR20060039518A/en

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    • 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
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
    • 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
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R2021/23107—Inflatable members characterised by their shape, construction or spatial configuration the bag being integrated in a multi-bag system
    • 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
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
    • B60R2021/2612—Gas guiding means, e.g. ducts
    • B60R2021/2615—Gas guiding means, e.g. ducts for diverting the gas into a plurality of bags
    • 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
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
    • B60R2021/2612—Gas guiding means, e.g. ducts
    • B60R2021/2617—Curtain bag nozzles
    • 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
    • B60R21/23—Inflatable members
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
    • 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
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
    • B60R21/262—Elongated tubular diffusers, e.g. curtain-type

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

본 발명은 차량의 커튼 에어백 시스템에 관한 것으로서 특히, 차량의 내측면에 설치되는 커튼 에어백에 있어서, 전후방에 독립 쿠션을 가지고, 인플레이터가 B 필러에 내장되도록 하는 것으로, 차량의 루프레일 측면측을 따라 설치되는 필러 호스(10)와; 상기 필러 호스(10)에서 기체를 공급받아 전개되는 것으로 차량의 전방 윈도우(21)측에 설치되는 전방에어백(20)과; 상기 필러 호스(10)에서 기체를 공급받아 전개되는 것으로 차량의 후방 윈도우(31)측에 설치되는 후방에어백(30)과; 측면 충돌을 감지하기 위한 충격감지센서의 신호에 따라 압축공기를 발생시키는 것으로, 차량의 B 필러(40)측에 설치되어 상기 필러 호스(10)로 기체를 공급하는 인플레이터(50)를 포함하여 구성되어, 전후방 에어백에 시간당 균일한 양의 기체를 보낼 수 있어, B 필러측에 에어백이 제대로 전개되지 않는 현상을 방지하고, 기체 분배량 조절이 용이한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain airbag system of a vehicle, and more particularly to a curtain airbag installed on an inner side of a vehicle, having an independent cushion in front and rear, and having an inflator embedded in a B-pillar, Filler hose 10 is installed; A front airbag 20 installed on the front window 21 side of the vehicle to be deployed by receiving gas from the filler hose 10; A rear air bag (30) installed at the rear window (31) of the vehicle to be deployed by receiving gas from the filler hose (10); Compressed air is generated according to a signal of an impact sensor for detecting a side collision, and is installed on the B pillar 40 side of the vehicle and includes an inflator 50 for supplying gas to the filler hose 10. Thus, a uniform amount of gas can be sent to the front and rear airbags per hour, preventing the airbag from being properly deployed on the B-pillar side, and adjusting the gas distribution amount easily.

인플레이터, 에어백, B 필러.Inflator, airbag, B filler.

Description

차량의 커튼 에어백 시스템 {System for curtain air bag for vehicle} Curtain air bag system for vehicle {System for curtain air bag for vehicle}             

도 1은 일반적인 차량의 커튼 에어백 시스템을 나타내는 개략도,1 is a schematic diagram showing a curtain airbag system of a typical vehicle;

도 2는 본 발명의 차량의 커튼 에어백 시스템의 일 실시예를 나타내는 Figure 2 shows an embodiment of the curtain airbag system of the vehicle of the present invention

개략도,       schematic,

도 3은 본 발명의 차량의 커튼 에어백 시스템의 인플레이터와 필러 호스의 3 is an inflator and filler hose of the curtain airbag system of the vehicle of the present invention.

연결상태의 실시예를 나타내는 개략도.
Schematic showing an embodiment of a connected state.

<도면의 주요 부분에 대한 부호의 설명>
<Explanation of symbols for the main parts of the drawings>

10 : 필러 호스 20 : 전방에어백10: filler hose 20: front air bag

30 : 후방에어백 40 : B 필러30: rear airbag 40: B pillar

50 : 인플레이터
50: Inflator

본 발명은 차량의 커튼 에어백 시스템에 관한 것으로서 특히, 차량의 내측면에 설치되는 커튼 에어백에 있어서, 전후방에 독립 쿠션을 가지고, 인플레이터가 B 필러에 내장되도록 함으로써, 전후방 에어백에 시간당 균일한 양의 기체를 보낼 수 있어, B 필러측에 에어백이 제대로 전개되지 않는 현상을 방지하고, 기체 분배량 조절이 용이한 차량의 커튼 에어백 시스템에 관한 것이다.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a curtain airbag system of a vehicle, in particular, in a curtain airbag installed on an inner side of a vehicle, having an independent cushion in front and rear, and having an inflator embedded in a B-pillar, a uniform amount of gas per hour in the front and rear airbags. The present invention relates to a curtain airbag system of a vehicle which can prevent the airbag from being properly deployed on the B-pillar side and easily adjusts the gas distribution amount.

커튼 에어백이란 차량의 루프레일을 따라 설치되어 차량의 측면 충돌시 또는 측면 충돌 후 전복 사고시에 승객의 머리를 보호하며 차량 바깥으로 승객이 이탈되는 것을 방지하기 위한 것이다.Curtain airbags are installed along the roof rail of the vehicle to protect the passenger's head in the event of a side collision or overturning after a side collision, and to prevent the passengers from leaving the vehicle.

도 1은 일반적인 차량의 커튼 에어백 시스템을 나타내는 개략도로서, 커튼 에어백(1)은 루프레일(2)을 따라 장착되며, 측면 충돌을 감지하기 위한 충격감지센서의 신호에 따라 압축공기를 발생시키는 인플레이터(3)에 의해 호스(4)로부터 공기를 공급받아 후방측에서 전방측으로 전개된다. 1 is a schematic view showing a curtain airbag system of a typical vehicle, the curtain airbag (1) is mounted along the roof rail (2), the inflator for generating compressed air in accordance with the signal of the shock sensor for detecting the side impact ( Air is supplied from the hose 4 by 3) and deployed from the rear side to the front side.

그런데 도시하는 바와 같이, 상기 인플레이터(3)는 뒤쪽에 배치되어 있으므로 에어백(1) 전개시 후방으로부터 기체가 유입될 뿐 아니라, 장착 상태에서 에어백(1)이 B 필러(5)측이 가장 강하게 구속되어 있는데, 이 부분의 쿠션은 기체가 차지 않는 데드 존(dead zone: 6)을 형성하여, 전개 에너지 유입이 매우 작다.
However, as shown in the figure, since the inflator 3 is disposed at the rear, not only gas is introduced from the rear when the airbag 1 is deployed, but also the airbag 1 is strongly restrained on the B-pillar 5 side in the mounted state. This part of the cushion forms a dead zone (6) which is not occupied by the gas, so that the deployment energy input is very small.

따라서 에어백의 팽창시 B 필러 부분이 늦게 펼쳐지거나 경우에 따라서는 펼쳐지지 않는 경우도 있으며, 이러한 현상은 실차에서 측면 충돌로 인해 B 필러측이 변형되는 경우에 그 현상이 더욱 심한 문제점이 있었다.
Accordingly, when the airbag is inflated, the B-pillar part may be unfolded in some cases or may not be unfolded in some cases. This phenomenon is more severe when the B-pillar side is deformed due to side impacts in the vehicle.

본 발명은 상기의 결점을 해소하기 위한 것으로, 전후방 에어백에 시간당 균일한 양의 기체를 보낼 수 있어, B 필러측에 에어백이 제대로 전개되지 않는 현상을 방지하고, 기체 분배량 조절이 용이한 차량의 커튼 에어백 시스템을 제공하고자 한다.
The present invention is to solve the above-described drawbacks, it is possible to send a uniform amount of gas per hour to the front and rear airbags, to prevent the phenomenon that the airbag is not properly deployed on the B-pillar side, and to easily adjust the gas distribution amount To provide a curtain airbag system.

이러한 본 발명은, 차량의 루프레일 측면측을 따라 설치되는 필러 호스와; 상기 필러 호스에서 기체를 공급받아 전개되는 것으로 차량의 전방 윈도우측에 설치되는 전방에어백과; 상기 필러 호스에서 기체를 공급받아 전개되는 것으로 차량의 후방 윈도우측에 설치되는 후방에어백과; 측면 충돌을 감지하기 위한 충격감지센서의 신호에 따라 압축공기를 발생시키는 것으로, 차량의 B 필러측에 설치되어 상기 필러 호스로 기체를 공급하는 인플레이터를 포함하여 구성함으로써 달성된다.
The present invention, the filler hose is installed along the side of the roof rail side of the vehicle; A front air bag installed at the front window side of the vehicle to be deployed by receiving gas from the filler hose; A rear airbag installed at the rear window side of the vehicle to be deployed by receiving gas from the filler hose; Compressed air is generated according to a signal of an impact sensor for detecting a side collision, and is achieved by including an inflator installed on the B-pillar side of the vehicle and supplying gas to the filler hose.

본 발명의 실시예를 첨부 도면을 참고하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명의 차량의 커튼 에어백 시스템의 일 실시예를 나타내는 개략도로서, 본 발명은, 차량의 루프레일 측면측을 따라 설치되는 필러 호스(10)와; 상기 필러 호스(10)에서 기체를 공급받아 전개되는 것으로 차량의 전방 윈도우(21)측 에 설치되는 전방에어백(20)과; 상기 필러 호스(10)에서 기체를 공급받아 전개되는 것으로 차량의 후방 윈도우(31)측에 설치되는 후방에어백(30)과; 측면 충돌을 감지하기 위한 충격감지센서의 신호에 따라 압축공기를 발생시키는 것으로, 차량의 B 필러(40)측에 설치되어 상기 필러 호스(10)로 기체를 공급하는 인플레이터(50)를 포함하여 구성되는 것을 그 기술상의 특징으로 한다.2 is a schematic view showing an embodiment of a curtain airbag system of a vehicle of the present invention, the present invention comprising: a filler hose 10 installed along a side surface of a roof rail of a vehicle; A front airbag (20) installed at the front window (21) side of the vehicle to be deployed by receiving gas from the filler hose (10); A rear air bag (30) installed at the rear window (31) of the vehicle to be deployed by receiving gas from the filler hose (10); Compressed air is generated according to a signal of an impact sensor for detecting a side collision, and is installed on the B pillar 40 side of the vehicle and includes an inflator 50 for supplying gas to the filler hose 10. It is characterized by the technical features.

그리하여, 측면 충돌 등이 발생하여 에어백 전개시, 중앙측의 인플레이터(50)에서 양측으로 균일하게 기체를 공급할 수 있어, 균일한 에어백 전개가 가능하고, 데드 존이 발생하지 않는 것이다.Thus, when a side collision or the like occurs and the airbag is deployed, the gas can be uniformly supplied to both sides by the inflator 50 on the center side, so that uniform airbag deployment is possible and no dead zone occurs.

상기 필러 호스(10)는 수평방향으로 일자형으로 형성되고, 그 중앙측이 상기 인플레이터(50)와 연결되도록 할 수도 있으나, 도 3에서 도시하는 바와 같이, 상기 필러 호스(10)의 중앙측이 상기 인플레이터(50)로부터 전방과 후방으로 분기되어 서로 연결되도록 함으로써 보다 효율적으로 기체가 분배되도록 하는 것이 바람직하다.
The filler hose 10 is formed in a straight line in the horizontal direction, the center side may be connected to the inflator 50, as shown in Figure 3, the center side of the filler hose 10 is It is preferable to diverge from the inflator 50 to the front and rear to be connected to each other so that the gas is distributed more efficiently.

이하, 상기 도 2 및 도 3을 참고하여 본 발명의 작용 및 효과를 설명하면 다음과 같다.Hereinafter, the operation and effects of the present invention will be described with reference to FIGS. 2 and 3.

상기한 바와 같이, 본 발명은 B 필러(40) 내에 충분한 공간이 있는 점을 이용하여, 이 B 필러(40) 내에 인플레이터(50)를 장착하고, 에어백을 전방에어백(20)과 후방에어백(30)으로 두 개소 분리하여 구성하는 것을 특징으로 한다.As described above, the present invention takes advantage of the fact that there is enough space in the B pillar 40 to mount the inflator 50 in the B pillar 40, and to mount the airbag into the front airbag 20 and the rear airbag 30. It is characterized by comprising two places separated by).

그리하여, 에어백 시스템 작동시, 상기 B 필러(40)에 내장되어 설치되는 인 플레이터(50)에서 발생한 기체는, 도 3에서 도시하는 바와 같이, 분기된 금속관으로 이루어지는 필러 호스(10)를 통하여 상기 전방에어백(20)과 후방에어백(30)으로 분기하여 팽창하게 된다.Thus, during operation of the airbag system, the gas generated in the inflator 50 installed in the B pillar 40 is installed through the filler hose 10 made of a branched metal tube, as shown in FIG. 3. It branches and expands into the front airbag 20 and the rear airbag 30.

이때, 상기 인플레이터(50)에서 연결되는 필러 호스(10)의 형상 및 크기를 조절함으로써 전방에어백(20)과 후방에어백(30)으로 분배되는 기체의 양과 속도를 조절할 수 있다.At this time, by adjusting the shape and size of the filler hose 10 connected from the inflator 50, it is possible to adjust the amount and speed of the gas to be distributed to the front air bag 20 and the rear air bag 30.

그리하여, 상기와 같이, 적절히 전후방으로 분배된 기체는 각각 전방에어백(20)과 후방에어백(30)을 효과적으로 전개시키게 되고, 이때는 도 2에서 도시하는 바와 같이, 데드존(dead zone)이 형성되지 않거나, 형성되어도 안전과 관계없는 부분에 매우 적은 부분에 데드존(22)이 형성될 수 있다.Thus, as described above, the gas distributed properly back and forth effectively deploys the front airbag 20 and the rear airbag 30, respectively, in which no dead zone is formed, as shown in FIG. However, the dead zone 22 may be formed in a very small part in a part that is not related to safety even though it is formed.

이와 같은 본 발명은, 인플레이터(50)로부터 상기 전방에어백(20)과 후방에어백(30)으로 전달되는 거리가 동일하기 때문에 균일한 양의 기체를 전후방으로 보낼 수 있고, B 필러(40) 측에 데드존이 형성되지 않으며, 따라서 에어백이 전개되다가 B 필러(40) 측에 에어백이 걸려서 전개되지 않는 형상이 방지되는 것이다.
In the present invention as described above, since the distance transmitted from the inflator 50 to the front airbag 20 and the rear airbag 30 is the same, a uniform amount of gas can be sent to the front and rear, and the B-pillar 40 side The dead zone is not formed, and thus, the airbag is deployed while the airbag is caught on the B-pillar 40 side to prevent the airbag from being deployed.

상기 실시예는 본 발명의 기술적 사상을 구체적으로 설명하기 위한 일례로서, 본 발명의 범위는 상기의 도면이나 실시예에 한정되지 않는다.
The above embodiment is an example for explaining the technical idea of the present invention in detail, and the scope of the present invention is not limited to the above drawings and embodiments.

이상과 같은 본 발명은 전후방 에어백에 시간당 균일한 양의 기체를 보낼 수 있어, B 필러측에 에어백이 제대로 전개되지 않는 현상을 방지하고, 기체 분배량 조절이 용이한 효과가 있는 것이다.
















The present invention as described above can send a uniform amount of gas per hour to the front and rear airbags, thereby preventing the airbag from being properly deployed on the B-pillar side, and the gas distribution amount can be easily adjusted.
















Claims (2)

차량의 루프레일 측면측을 따라 설치되는 필러 호스와;A filler hose installed along a roof rail side of the vehicle; 상기 필러 호스에서 기체를 공급받아 전개되는 것으로 차량의 전방 윈도우측에 설치되는 전방에어백과;A front air bag installed at the front window side of the vehicle to be deployed by receiving gas from the filler hose; 상기 필러 호스에서 기체를 공급받아 전개되는 것으로 차량의 후방 윈도우측에 설치되는 후방에어백과;A rear airbag installed at the rear window side of the vehicle to be deployed by receiving gas from the filler hose; 측면 충돌을 감지하기 위한 충격감지센서의 신호에 따라 압축공기를 발생시키는 것으로, 차량의 B 필러측에 설치되어 상기 필러 호스로 기체를 공급하는 인플레이터를 포함하여 구성되는 것을 특징으로 하는 차량의 커튼 에어백 시스템.The compressed air according to the signal of the impact sensor for detecting a side collision, the air curtain curtain of the vehicle comprising an inflator installed on the B-pillar side of the vehicle to supply gas to the filler hose system. 제 1항에 있어서, 상기 필러 호스는, 상기 인플레이터로부터 전방과 후방으로 분기되어 연결되는 것을 특징으로 하는 차량의 커튼 에어백 시스템.The curtain airbag system of claim 1, wherein the filler hose is branched forward and backward from the inflator.
KR1020040088623A 2004-11-03 2004-11-03 System for curtain air bag for vehicle KR20060039518A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019010991A (en) * 2017-06-30 2019-01-24 豊田合成株式会社 Airbag device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019010991A (en) * 2017-06-30 2019-01-24 豊田合成株式会社 Airbag device

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