KR0159887B1 - An airbag device holding an inflator in common - Google Patents
An airbag device holding an inflator in common Download PDFInfo
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- KR0159887B1 KR0159887B1 KR1019950062464A KR19950062464A KR0159887B1 KR 0159887 B1 KR0159887 B1 KR 0159887B1 KR 1019950062464 A KR1019950062464 A KR 1019950062464A KR 19950062464 A KR19950062464 A KR 19950062464A KR 0159887 B1 KR0159887 B1 KR 0159887B1
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- South Korea
- Prior art keywords
- inflator
- airbag
- nitrogen gas
- vehicle
- collision
- Prior art date
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Classifications
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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
- B60R21/26—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
- B60R21/268—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 using instantaneous release of stored pressurised gas
- B60R21/272—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 using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
-
- 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
- B60R21/268—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 using instantaneous release of stored pressurised gas
- B60R21/274—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 using instantaneous release of stored pressurised gas characterised by means to rupture or open the fluid source
-
- 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
- B60R2021/26094—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 characterised by fluid flow controlling valves
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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
- B60R21/26—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
- B60R21/268—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 using instantaneous release of stored pressurised gas
- B60R21/272—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 using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators
- B60R2021/2725—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 using instantaneous release of stored pressurised gas with means for increasing the pressure of the gas just before or during liberation, e.g. hybrid inflators using a fluid fuel gas generator
-
- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
본 발명은 차량에 구비되는 에어백에 관한 것으로, 일반적으로 종래의 에어백 장치는, 차량의 충돌시 에어백이 팽창하게 되어 차량 탑승자에게 소정의 완충력을 제공하여 탑승자를 물리적 충격으로부터 안전하게 보호하는 탑승자 보호 장치로서, 인플레이터에서 화약이 폭발되어 에어백으로 유입되는 밸브를 한 방향으로만 고정되게 되어 있어서, 차량에 여러개의 에어백을 설치한 경우에 하나의 인플레이터를 공유할 수 있는 별도의 수단이 구비되어 있지 않아 각 에어백마다 인플레이터를 제각기 설치하여야만 하므로써, 원가의 상승과 구조의 복잡화를 피할 수 없다는 문제점이 있었다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airbag provided in a vehicle. In general, a conventional airbag apparatus is provided as an occupant protection device that protects an occupant from physical shock by providing a predetermined cushioning force to a vehicle occupant when the airbag is inflated when the vehicle collides. Since the explosives are exploded from the inflator and fixed in one direction, the valves are fixed in only one direction.Therefore, there is no separate means for sharing one inflator when multiple airbags are installed in the vehicle. Since the inflator must be installed for each, there is a problem that the cost increase and the complexity of the structure cannot be avoided.
본 발명은 상기와 같은 문제점을 해소하기 위하여, 인플레이터에서 에어백측으로 폭발된 질소가스를 유입시키는 밸브를 양방향으로 조절될 수 있게 하여 여러개의 에어백이 하나의 인플레이터를 공유할 수 있도록 한 인플레이터 공유 에어백 장치를 제공하므로써, 정면충돌과 측면충돌의 경우를 구분하여 질소가스의 유입경로를 제어하게 하여 한 개의 인플레이터를 여러개의 에어백이 공유할 수 있게 하는 효과가 있다.In order to solve the above problems, an inflator sharing airbag device that allows a plurality of airbags to share a single inflator by allowing the two-way control valve to inject the nitrogen gas exploded from the inflator to the airbag side in both directions By providing, the front and side collisions can be distinguished to control the inflow path of nitrogen gas so that one inflator can be shared by several airbags.
Description
제1도는 일반적으로 차량에 에어백이 장착되는 위치를 나타낸 정면도.1 is a front view generally showing the position in which the airbag is mounted on the vehicle.
제2도는 일반적인 에어백의 개략적인 구성도.2 is a schematic diagram of a general airbag.
제3도는 본 발명에 의한 인플레이터의 개략 구성도.3 is a schematic configuration diagram of an inflator according to the present invention.
제4도는 본 발명에 의한 에어백 제어회로의 블록도이다.4 is a block diagram of an airbag control circuit according to the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
11 : 스티어링 컬럼 12 : 인스트루먼트 판넬11: steering column 12: instrument panel
13 : 전면에어백 14 : 후면에어백13: front air bag 14: rear air bag
15 : 측면에어백 21 : 에어백15: side air bag 21: air bag
22 : 인플레이터 23a,23b : 고정나사22: Inflator 23a, 23b: Fixing screw
24 : 지지홀더 30 : 인플레이터24: support holder 30: inflator
31 : 뇌관 32a,32b : 착화제31: primer 32a, 32b: complexing agent
33 : 질소가스 34 : 하우징33: nitrogen gas 34: housing
35 : 화약 36 : 약실35: gunpowder 36: chamber
37 : 콘트롤밸브 38 : 전원공급부37: control valve 38: power supply
41 : 감속도 센서 42 : 정면충돌센서41: deceleration sensor 42: frontal collision sensor
43 : 측면충돌센서 44 : 마이컴43: side collision sensor 44: micom
45 : 에어백45: airbag
본 발명은 차량에 구비되는 에어백에 관한 것으로, 특히 정면과 후면 또는 측면 에어백이 별도로 장착된 차량에 있어서, 인플레이터 내에서 폭발된 질소가스를 에어백으로 유입시키는 통로인 인플레이터의 질소가스 유입밸브를 마이컴의 제어에 의해 제어하게 하므로써, 하나의 인플레이터를 여러개의 에어백이 공유하게 하여 비용의 절감과 구조의 단순화를 꾀할 수 있는 인플레이터 공유 에어백 장치에 관한 것이다.The present invention relates to an airbag provided in a vehicle. In particular, in a vehicle equipped with a front and rear or side airbag separately, the nitrogen gas inlet valve of the inflator, which is a passage for introducing nitrogen gas exploded in the inflator into the airbag, The present invention relates to an inflator shared airbag device that can be controlled by control, thereby allowing one airbag to be shared by multiple airbags, thereby reducing costs and simplifying the structure.
일반적으로, 종래의 에어백 장치는 차량에 장착되어 차량의 충돌시 에어백이 팽창되게 하여 차량 탑승자에게 소정의 완충력을 제공하여 탑승자를 물리적 충격으로부터 안전하게 보호하는 탑승자 보호 장치로서, 제1도에서와 같이 차량의 스티어링휠과 인스트루먼트 판넬부 또는 앞좌석 시트헤드레스트 후면의 소정 부위에 각각 앞승객 및 뒷승객의 정면충돌 보호용 전면 에어백(11a,11b)과 후면 에어백(12a,12b)을 구비하고, 또는 앞승객 및 뒷승객의 측면충돌 보호용 측면 에어백(13a,13b)이 구비됨으로써 차량의 충돌시 상기 에어백(11,12,13)이 팽창됨에 따라 탑승자를 충격으로부터 보호하게 된다.In general, a conventional airbag device is a passenger protection device that is mounted on a vehicle to allow the airbag to be inflated during a collision of the vehicle to provide a predetermined cushioning force to the vehicle occupant to protect the occupant from physical shock, as shown in FIG. The front wheels 11a and 11b and the rear airbags 12a and 12b for front collision protection of the front passenger and the rear passenger, respectively, in a predetermined portion of the steering wheel and the instrument panel part of the front seat or the front seat, or the front passenger And side airbags 13a and 13b for side collision protection of rear passengers, thereby protecting the occupant from impact as the airbags 11, 12 and 13 are inflated during a collision of the vehicle.
이와 같은 에어백의 개략적인 구성을 보면, 제2도에서와 같이 지지홀더(24)가 고정점에 고정나사(23a,23b)로 에어백(21)을 고정하고 있으면서, 차량 충돌시 센서로부터 충돌신호를 입력받은 마이컴이 판단하여 순식간에 인플레이터(22)내의 화약을 폭발시켜서 인플레이터(22)내의 질소가스를 에어백(21)으로 유입되게 하여 에업개(21)을 팽창시키게 된다.In the schematic configuration of such an airbag, as shown in FIG. 2, while the support holder 24 is fixing the airbag 21 with the fixing screws 23a and 23b at a fixed point, a collision signal is received from the sensor when the vehicle crashes. The input microcomputer judges that the explosives in the inflator 22 are exploded in a moment, and the nitrogen gas in the inflator 22 is introduced into the airbag 21 to inflate the industrial opening 21.
이와 같이 구성되는 종래의 에어백 장치에 있어서는, 상기 인플레이터와 에어백이 일체로 형성되어 있어서 차량에 여러개의 에어백을 설치한 경우에 하나의 인플레이터를 공유할 수 있는 별도의 수단이 구비되어 있지 않아 각 에어백마다 인플레이터를 제각기 설치하여야만 하므로써, 원가의 상승과 구조의 복잡화를 피할 수 없다는 문제점이 있었다.In the conventional airbag apparatus configured as described above, the inflator and the airbag are integrally formed so that when the airbags are installed in the vehicle, there is no separate means for sharing one inflator. Since the inflator must be installed separately, there is a problem in that cost increase and complexity of the structure cannot be avoided.
이에, 본 발명은 상기와 같은 문제점을 해소하기 위해 안출된 것으로, 차량에 구비되는 에어백 장치에 있어서, 인플레이터 내부에서 질소가스를 저장하고 있는 하우징의 재질을 알루미늄 대신 스테인레스로 하는 한편, 인플레이터에서 에어백 측으로 폭발된 질소가스를 유입시키는 통로로서 콘트롤밸브를 구비하여, 이 콘트롤밸브가 마이컴의 제어에 따라 각 방향으로 질소가스의 유입로를 조절할 수 있게 하여 여러개의 에어백이 하나의 인플레이터를 공유할 수 있도록 한 인플레이터 공유 에어백 장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, in the airbag device provided in the vehicle, the material of the housing storing nitrogen gas in the inflator made of stainless steel instead of aluminum, while the inflator to the airbag side A control valve is provided as a passage for injecting the exploded nitrogen gas, and the control valve can control the inflow path of the nitrogen gas in each direction under the control of the microcomputer so that several airbags can share one inflator. The object is to provide an inflator sharing airbag device.
상기와 같은 목적을 달성하기 위한 본 발명은, 충돌을 감지한 제어기가 제어신호를 보내면 터지는 뇌관과, 상기 뇌관이 터지면서 화약에 불을 붙이는 착화제와, 상기 착화제가 연소될 때 발화되는 화약과, 상기 화약이 발화되면서 발생시키는 질소가스와, 스테인레스 재질로 이루어져서 질소가스를 저장하고 있는 용기인 하우징과, 상기 하우징의 한쪽면과 에어백 사이에서 제어기의 제어에 따라 상기 질소가스를 정면 에어백 또는 측면 에어백으로 유입되도록 질소가스 유입로의 방향을 조절하는 콘트롤밸브로 이루어지는 것을 특징으로 한다.The present invention for achieving the above object, the controller that detects a collision, when the control signal sends a detonator, a complexing agent to ignite the gunpowder while the primer is exploded, and the gunpowder fired when the complexing agent is burned; And nitrogen gas generated when the gunpowder is ignited, a housing which is made of stainless steel and stores nitrogen gas, and the nitrogen gas is controlled by a controller between one side of the housing and an air bag. Characterized in that consisting of a control valve for adjusting the direction of the nitrogen gas inlet to be introduced into.
이하, 본 발명의 바람직한 실시예를 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 의한 인플레이터 공유 에어백 장치의 인플레이터(30)는 제3도에 도시된 바와 같이, 충돌을 감지한 마이컴이 인플레이터(30)에 제어신호를 보내면 전원공급부(38)로부터 전원을 공급받아 터지게 되는 뇌관(31)과, 상기 뇌관(31)이 터지면서 화약(35)에 불을 붙이는 착화제(32a,32b)와, 상기 착화제(32a,32b)가 연소될 때 발화되는 화약(35)과, 상기 화약(35)이 발화되면서 발생시키는 질소가스(33)와, 스테인레스 재질로 이루어져서 질소가스(33)를 저장하고 있는 용기인 하우징(34)과, 상기 하우징(34)의 한쪽면과 에어백 사이에서 마이컴의 제어에 따라 상기 질소가스(33)를 정면 에어백 또는 측면 에어백으로 유입되도록 질소가스(33) 유입로의 방향을 조절하는 콘트롤밸브(37)로 이루어졌다.As shown in FIG. 3, the inflator 30 of the inflator sharing airbag apparatus according to the present invention is supplied with power from the power supply unit 38 when the microcomputer detecting a collision sends a control signal to the inflator 30. A primer 31, a complexing agent 32a, 32b which ignites the gunpowder 35 while the primer 31 is exploded, and a gunpowder 35 which is ignited when the complexing agents 32a, 32b are burned; Nitrogen gas (33) generated when the gunpowder (35) is ignited, a housing (34) which is made of stainless steel and stores the nitrogen gas (33), and between one side of the housing (34) and the airbag In accordance with the control of the microcomputer was made of a control valve 37 for adjusting the direction of the nitrogen gas 33 inflow path so that the nitrogen gas 33 is introduced into the front air bag or side air bag.
한편, 본 발명에 의한 인플레이터 공유 에어백 장치의 제어회로는 제4도에 도시된 바와 같이, 차량의 충돌을 감지하는 감속도센서(41)와, 차량의 정면방향의 충돌을 감지하는 정면충돌센서(42)와, 차량의 측면 방향의 충돌을 감지하는 측면충돌센서(43)와, 상기 센서(41,42,43)로부터 충돌 신호를 입력받아 소정의 처리를 수행하여 제어신호를 발신하는 마이컴(44)과, 상기 마이컴(44)이 보내오는 제어신호에 의해 작동되는 인플레이터(30)와, 상기 마이컴(44)의 제어신호에 따라 작동되어 상기 인플레이터(30)에서 폭발되어 나오는 질소가스(33)의 유입방향을 조절하는 콘트롤밸브(37)와, 상기 콘트롤밸브(37)와 연결되어 유입되는 질소가스에 의해 팽창되는 에어백(45)과, 상기 인플레이터(30) 내의 약실(36)에 전원을 공급하여 화약(35)이 폭발되게 하는 전원공급부(38)로 이루어졌다.On the other hand, the control circuit of the inflator shared airbag apparatus according to the present invention, as shown in Figure 4, the deceleration sensor 41 for detecting a collision of the vehicle, and the front collision sensor for detecting a collision in the front direction of the vehicle ( 42, a side collision sensor 43 for detecting a collision in the lateral direction of the vehicle, and a microcomputer 44 for receiving a collision signal from the sensors 41, 42, 43 and performing a predetermined process to transmit a control signal. ), The inflator 30 operated by the control signal sent by the microcomputer 44, and the nitrogen gas 33 operated by the control signal of the microcomputer 44 and exploded from the inflator 30. Supplying power to the control valve 37 for adjusting the inflow direction, the airbag 45 connected to the control valve 37 inflated by the nitrogen gas flowing in, and the chamber 36 in the inflator 30 To the power supply 38 to cause the gunpowder 35 to explode Was done.
위와 같은 본 발명의 작용 및 효과는 다음과 같다.The operation and effects of the present invention as described above are as follows.
차량 운해시 충격감속도센서(41)와 정면충돌센서(42) 및 측면충돌센서(43)로부터 감지되는 외부로부터의 충돌 신호를 마이컴(44)이 입력받아, 먼저 감속도센서(41)에서 충돌을 인지한 후 바로 정면충돌센서(42)와 측면충돌센서(43)를 통하여 정면충돌인지 또는 측면충돌인지를 판단하여, 차량의 속도가 50km/h 이하인 경미한 충돌의 경우에는 에어백(45)을 작동시키지 않고, 차량의 속도가 50km/h 이상의 충돌인 경우에 한해서 에어백(45) 작동신호를 발신한다.The micom 44 receives a collision signal from the outside detected by the impact deceleration sensor 41, the front collision sensor 42, and the side collision sensor 43 when the vehicle is dismantled, and first collides with the deceleration sensor 41. Immediately after determining that the front collision sensor 42 and the side collision sensor 43 to determine whether the front collision or side collision, in the case of a minor collision of the vehicle speed of 50km / h or less to operate the airbag 45 The airbag 45 operation signal is transmitted only when the speed of the vehicle is 50 km / h or more.
이 신호가 전원공급부(38)와 콘트롤밸브(37)로 각각 전달되어, 인플레이터(30)내의 약실(36)에 장전되어 있던 화약(35)이 폭발되어 이 폭발력에 의해 질소가스(33)가 콘트롤밸브(37)를 통하여 에어백(45)으로 유입되는 한편, 상기 콘트롤밸브(37)는 마이컴(44)이 보내는 제어신호에 따라 정면충돌과 측면충돌의 경우를 구분하여 질소가스(33)의 유입경로를 제어하므로써, 한 개의 인플레이터를 여러개의 에어백이 공유할 수 있게 하는 효과가 있다.These signals are transmitted to the power supply 38 and the control valve 37, respectively, and the gunpowder 35 loaded in the chamber 36 in the inflator 30 is exploded to control the nitrogen gas 33 by this explosive force. While flowing into the airbag 45 through the valve 37, the control valve 37 classifies the front collision and the side collision according to the control signal sent by the microcomputer 44 to separate the inflow path of the nitrogen gas 33. By controlling the, it is effective to allow one air inflator to be shared by multiple airbags.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950062464A KR0159887B1 (en) | 1995-12-28 | 1995-12-28 | An airbag device holding an inflator in common |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950062464A KR0159887B1 (en) | 1995-12-28 | 1995-12-28 | An airbag device holding an inflator in common |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970039696A KR970039696A (en) | 1997-07-24 |
| KR0159887B1 true KR0159887B1 (en) | 1999-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950062464A KR0159887B1 (en) | 1995-12-28 | 1995-12-28 | An airbag device holding an inflator in common |
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| Country | Link |
|---|---|
| KR (1) | KR0159887B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100452440B1 (en) * | 2002-08-31 | 2004-10-12 | 현대자동차주식회사 | Inflation control system for air bag |
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1995
- 1995-12-28 KR KR1019950062464A patent/KR0159887B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
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| KR970039696A (en) | 1997-07-24 |
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