KR100802803B1 - An airbag control device for an automoblie - Google Patents

An airbag control device for an automoblie Download PDF

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KR100802803B1
KR100802803B1 KR1020060123864A KR20060123864A KR100802803B1 KR 100802803 B1 KR100802803 B1 KR 100802803B1 KR 1020060123864 A KR1020060123864 A KR 1020060123864A KR 20060123864 A KR20060123864 A KR 20060123864A KR 100802803 B1 KR100802803 B1 KR 100802803B1
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South Korea
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airbag
passenger seat
vehicle
passenger
electronic control
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KR1020060123864A
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Korean (ko)
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김영봉
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현대자동차주식회사
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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
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • 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
    • B60R21/0136—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 actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
    • 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
    • B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01504—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use detecting bag displacement
    • 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
    • B60R21/015—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 the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/01516—Passenger detection systems using force or pressure sensing means
    • B60R21/0152—Passenger detection systems using force or pressure sensing means using strain gauges
    • 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
    • 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
    • B60R2021/01204—Actuation parameters of safety arrangents
    • B60R2021/01211—Expansion of air 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
    • B60R21/01—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
    • B60R2021/01327—Angular velocity or angular acceleration
    • 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
    • B60R2021/161—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by additional means for controlling deployment trajectory
    • 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
    • B60R2021/162—Means for diverting, destroying or blocking the bag in case of dangerous deployment, e.g. during rescue operations or use of rear-facing children seats
    • 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

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

Abstract

An airbag control device for a vehicle is provided to prevent deployment of a front passenger seat airbag upon a front collision of a vehicle and to prevent deployment of a front passenger seat side airbag upon a side collision of the vehicle when a front passenger seat back is folded. An airbag control device for a vehicle includes an impact sensor, a vehicle speed sensor, a driving unit, a passenger sensor mounted on a front passenger seat so as to detect the weight of the passenger, and an electronic control unit for judging whether to operate an airbag from the output of the impact sensor and the vehicle speed sensor. The electronic control unit selectively controls a driving unit and a front passenger seat airbag by an operation switch(400) which operates in accordance with the folded state of a front passenger seat back. The operation switch outputs a signal to the electronic control unit by a guide pin(900) which moves along a guide groove(810) of a recliner mounting bracket(800) when the front passenger seat back is folded.

Description

자동차용 에어백 제어장치{an airbag control device for an automoblie}An airbag control device for an automoblie}

도 1은 종래 자동차용 에어백 제어장치의 구성을 보인 블록도1 is a block diagram showing the configuration of a conventional vehicle airbag control device

도 2는 종래 자동차용 에어백 제어장치의 에어백 제어 공정을 보인 흐름도Figure 2 is a flow chart showing the airbag control process of the conventional vehicle airbag control device

도 3은 본 발명인 자동차용 에어백 제어장치의 구성을 보인 블록도Figure 3 is a block diagram showing the configuration of the present invention vehicle airbag control device

도 4는 본 발명인 자동차용 에어백 제어장치의 에어백 제어 공정을 보인 흐름도Figure 4 is a flow chart showing the airbag control process of the present invention vehicle airbag control device

도 5는 본 발명인 자동차용 에어백 제어장치의 작동 스위치가 마운팅 브라켓에 설치되어 작동된 상태를 보인 사시도5 is a perspective view showing a state in which the operation switch of the present invention vehicle airbag control device is installed in the mounting bracket and operated

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

100 : 충격 감지 센서 200 : 차속 감지 센서100: shock detection sensor 200: vehicle speed detection sensor

300 : 승원 감지 센서 400 : 작동 스위치300: occupancy detection sensor 400: operation switch

500 : 전자 제어 장치 600 : 구동부500: electronic control device 600: drive unit

700 : 에어백 800 : 마운팅 브라켓700: air bag 800: mounting bracket

810 : 가이드 홈 900 : 가이드 핀810: guide groove 900: guide pin

본 발명은 자동차용 에어백 제어장치에 관한 것으로, 더욱더 상세하게는 조수석 등받이가 폴딩된 상태에서는 에어백 작동 조건이 충족되는 경우에도 조수석 에어백은 작동이 이루어지지 않도록 하는 자동차용 에어백 제어장치에 관한 것이다.The present invention relates to a vehicle airbag control device, and more particularly, to a passenger airbag control device to prevent the passenger seat airbag operation even if the airbag operating conditions are satisfied when the passenger seat back is folded.

일반적으로 차실에 설치되는 에어백은, 정해진 이상의 속도에서 충돌시 작동하여 탑승자(운전자 포함)의 안전을 도모하도록 하는 장비이다.In general, the airbag installed in the cabin is a device that operates in a collision at a predetermined speed or more to promote the safety of the occupant (including the driver).

첨부한 도면 도 1은 종래 차량에 장착된 에어백 제어장치의 구성을 보인 블록도이다. 1 is a block diagram showing the configuration of an airbag control apparatus mounted on a conventional vehicle.

여기서 참조부호 10은 충격을 감지하는 충격 감지 센서를 나타내고, 참조부호 20은 차량 속도를 감지하는 차속 감지센서이고, 참조 부호 30은 상기 충격 감지 센서(10) 및 차속 감지 센서(20)의 출력을 검색하여 에어백 작동 여부를 판단하고, 에어백 작동으로 판단한 경우 에어백 구동신호를 발생하는 전자 제어 장치를 나타낸다.Here, reference numeral 10 denotes a shock detection sensor for detecting a shock, reference numeral 20 denotes a vehicle speed detection sensor for detecting a vehicle speed, and reference numeral 30 denotes an output of the shock detection sensor 10 and the vehicle speed detection sensor 20. The electronic control device which detects whether the airbag is operated by searching, and generates the airbag driving signal when the airbag is operated is determined.

참조 부호 40은 상기 전자 제어 장치(30)에서 출력되는 에어백 구동신호에 대응하여 가스 발생 신호를 출력하는 구동부를 나타내며, 참조 부호 50은 상기 가스 발생 신호에 대응하여 가스를 발생하는 가스 발생 장치를 나타내고, 참조 부호 60은 상기 가스 발생 장치(50)에서 발생된 가스로 작동하는 복수개의 에어백을 포 함하는 에어백부를 나타낸다.Reference numeral 40 denotes a driving unit that outputs a gas generation signal in response to an airbag driving signal output from the electronic control apparatus 30, and reference numeral 50 denotes a gas generator that generates gas in response to the gas generation signal. , Reference numeral 60 denotes an airbag portion including a plurality of airbags operated by the gas generated by the gas generator 50.

이와 같이 구성된 종래 차량의 에어백 제어장치는, 먼저 충격 감지 센서(10)에서 차량의 충격 여부를 감지한다. 그리고 충격이 감지되면 이를 전자 제어 장치 (30)에 전달한다.The airbag control apparatus of a conventional vehicle configured as described above first detects whether the vehicle is impacted by the impact sensor 10. When the shock is detected, the shock is transmitted to the electronic control device 30.

아울러 차속 감지 센서(20)는 상기 차량의 현재 속도를 감지하여 상기 전자 제어 장치(30)에 전달한다.In addition, the vehicle speed sensor 20 detects the current speed of the vehicle and transmits it to the electronic control device 30.

상기 전자 제어 장치(30)는 충격 감지 센서(10)의 출력 신호를 검색하여 충격이 감지되는 것으로 판단되면, 상기 차속 감지 센서(20)의 출력 신호를 검색하여 현재 차속이 정해진 속도 이상인지를 판단한다. If the electronic control device 30 determines that a shock is detected by searching the output signal of the shock sensor 10, the electronic control device 30 searches the output signal of the vehicle speed sensor 20 to determine whether the current vehicle speed is equal to or greater than a predetermined speed. do.

여기서 차속 감지 센서(20)를 이용하여 차속을 감지하는 것은, 저속에서 충돌 시 에어백이 작동하는 것을 방지하기 위함이다.In this case, the vehicle speed is detected by using the vehicle speed sensor 20 to prevent the airbag from operating at a low speed.

한편, 상기 판단 결과 현재 차속이 정해진 속도 이상이면, 전자 제어 장치 (30)는 에어백을 작동해야 하는 것으로 판단을 하고, 구동부(40)를 구동시키게되며, 이에 따라 구동부(40)는 구동을 하여 가스 발생 장치(50)를 작동시킨다.On the other hand, if the current vehicle speed is greater than the determined speed as a result of the determination, the electronic control device 30 determines that the airbag should be operated, and drives the drive unit 40, accordingly, the drive unit 40 drives the gas The generator 50 is operated.

그러면 가스 발생 장치(50)는 작동을 하여 에어백부(60)내에 구비된 에어백에 가스를 공급해주게 되고, 이에 따라 에어백이 작동을 하게 된다.Then, the gas generating device 50 operates to supply gas to the airbag provided in the airbag unit 60, thereby operating the airbag.

첨부한 도면 도2는 종래 차량의 에어백 제어과정을 보인 흐름도이다.2 is a flowchart illustrating an airbag control process of a conventional vehicle.

이에 도시된 바와 같이, 단계 S11에서는 충격이 감지되는지를 체크하게 되고, 이 체크 결과 충격이 감지되면, 단계 S12에서 현재 차속이 정해진 속도 이상인지를 확인한다.As shown in FIG. 11, it is checked whether a shock is detected in step S11. If a shock is detected as a result of this check, it is checked whether the current vehicle speed is equal to or greater than a predetermined speed in step S12.

이 확인 결과 현재 차속이 정해진 속도 이상인 경우에는, 단계 S13에서 에어백을 작동시키게 된다.As a result of this check, if the current vehicle speed is higher than or equal to the determined speed, the airbag is operated in step S13.

여기서 에어백이 복수 개일 경우, 복수개의 에어백을 전부 작동시키게 된다.Here, when there are a plurality of airbags, all of the plurality of airbags are operated.

그러나 이러한 종래 차량의 에어백 제어장치는, 에어백 작동 상황 시 장착된 모든 에어백을 동시에 작동시키게 되는 데,However, such a conventional vehicle airbag control device is to operate all the airbags mounted at the same time in the airbag operation situation,

이때, 조수석에 어린 아이나 체중 미달의 승객이 탑승한 경우에는 작동이 이루어지는 에어백에 의해 오히려 부상을 입게되는 문제점이 발생하였다.In this case, when a young child or underweight passenger rides in the passenger seat, a problem arises that the airbag is injured by the operation of the airbag.

또한, 조수석에 승객이 탑승하지 않는 경우에도 에어백이 작동하게 되므로, 추후 불필요하게 에어백 보수비용이 발생하는 제반 문제점도 발생하였다.In addition, since the airbag is operated even when the passenger does not ride in the passenger seat, there is a problem that unnecessary airbag maintenance costs occur later.

따라서 종래에도 상기 종래와 같은 문제점을 해결하기 위해 조수석에 승원 감지센서를 설치하여, 상기 조수석에 가해지는 무게로 승객의 착좌 여부를 판단한 후 어린이와 같이 가벼운 체중 미달의 승객이 착좌 하거나, 상기 조수석에 승원이 착좌하지 않은 경우에는, 에어백 작동 조건이 되는 경우에도 상기 조수석 에어백의 작동이 이루어지지 않도록 하는 자동차용 에어백 제어장치를 개발하여 사용하고 있다.Therefore, in order to solve the same problem as in the prior art, the passenger seat sensor is installed in the passenger seat, and after determining whether the passenger is seated by the weight applied to the passenger seat, a passenger with a light weight like a child is seated, or in the passenger seat. If the occupant is not seated, a vehicle airbag control device has been developed and used so that the passenger seat airbag cannot be operated even when the airbag operation condition is reached.

그러나 이러한 종래 자동차용 에어백 제어장치도 조수석의 등받이를 폴딩시킨 상태에서 무거운 물건을 적재시키는 경우, 상기 조수석에 설치된 승원 감지 센서가 승객의 탑승으로 인식하여 충돌사고 발생시 조수석 에어백이 전개되어 추가 수리비가 발생하게 됨은 물론, 사이드 에어백이 전개 시 등받이가 들어 올려지면서 상기 등받이에 놓여져 있던 물건이 날아가서 승객에게 상해를 입힐 수도 있는 등의 문제점이 있었다However, even when such a conventional vehicle airbag control device loads a heavy object while folding the passenger's backrest, the occupant detection sensor installed in the passenger's seat is recognized as a passenger's boarding, and when a crash occurs, the passenger's airbag is deployed to incur additional repair costs. Of course, there was a problem that the backrest is lifted when the side airbag is deployed, and items placed on the back may fly off and cause injury to passengers.

본 발명의 목적은, 조수석의 등받이를 폴딩시킨 상태로 차량을 운행 중, 정면 충돌사고의 경우, 상기 조수석 에어백이 전개되지 않도록 하여 차량 수리비용이 절감될 수 있도록 함과 동시에 측면 충돌 사고의 경우 조수석 사이드 에어백의 전개를 막아 조수석 등받이 위의 물체가 날아가 승객에게 상해를 입히지 않도록 하는 자동차용 에어백 제어장치를 제공하는 데 있다.An object of the present invention, while driving the vehicle while the back of the passenger seat is folded, in the case of a frontal crash, the passenger seat airbag is not deployed so that the vehicle repair cost can be reduced and at the same time the passenger seat It is to provide a vehicle airbag control device that prevents the deployment of side airbags so that objects on the passenger seat backrest do not fly and injure passengers.

이러한 본 발명의 목적은, 충격 감지 센서(100), 차속 감지 센서(200), 구동부(600), 조수석의 소정 위치에 장착되어 승객의 탑승 유무를 감지하는 승원 감지 센서(300), 상기 승원 감지 센서(100) 및 차속 감지 센서(200)의 출력으로 에어백 작동 여부를 판단하고, 에어백 작동 시 상기 승원 감지 센서(300)의 출력을 검색하여 조수석의 탑승객 존재 여부를 판단하고, 그 판단 결과에 따라 에어백 작동 시 선택적으로 구동부(600)를 제어하여 조수석의 에어백을 선택적으로 작동시키는 전자 제어 장치(500)를 포함하여 구성된 자동차용 에어백 장치에 있어서, The purpose of the present invention, the impact sensor 100, vehicle speed sensor 200, the driver 600, the passenger seat sensor 300 for detecting the passenger boarding is mounted on a predetermined position of the passenger seat, the occupant detection The output of the sensor 100 and the vehicle speed detection sensor 200 determines whether the airbag is operated, and when the airbag is operated, the output of the occupant detection sensor 300 is searched to determine the presence of a passenger in the passenger seat, and according to the determination result. In the airbag device for a vehicle configured to include an electronic control unit 500 for selectively operating the airbag of the passenger seat by selectively controlling the drive unit 600 during the airbag operation,

상기 조수석 등받이의 폴딩 상태에 따라 작동이 이루어지는 작동스위치(400)에 의해 전자 제어 장치(500)가 구동부(600)를 선택적으로 제어하며 조수석의 에어백(700)을 선택적으로 작동시키도록 구성되는 것에 의해 달성된다.The electronic control device 500 selectively controls the driving unit 600 by the operation switch 400 in which the operation is performed according to the folding state of the passenger seat back, and is configured to selectively operate the airbag 700 of the passenger seat. Is achieved.

이하, 첨부된 도면에 의하여 본 발명의 그 기술적 구성을 상세히 설명하면 다음과 같다. Hereinafter, the technical configuration of the present invention with reference to the accompanying drawings in detail as follows.

도 3은 본 발명인 자동차용 에어백 제어장치의 구성을 보인 블록도이고, 도 4는 본 발명인 자동차용 에어백 제어장치의 에어백 제어공정을 보인 흐름도이며, 도 5는 본 발명인 자동차용 에어백 제어장치의 작동스위치가 마운팅 브라켓에 설치되어 작동된 상태를 보인 사시도 이다.Figure 3 is a block diagram showing the configuration of the airbag control apparatus for a vehicle of the present invention, Figure 4 is a flow chart showing the airbag control process of the airbag control apparatus for a vehicle of the present invention, Figure 5 is an operation switch of the airbag control apparatus for a vehicle of the present invention Is a perspective view of the mounting bracket installed and operating.

본 발명의 자동차용 에어백 제어장치는 도 3과 도 4 및 도 5에 도시하고 있는 바와 같이, 차량의 충돌 여부를 감지하는 충격 감지 센서(100)와, 현재 차량의 주행 속도를 감지하는 차속 감지 센서(200)와, 조수석의 소정 위치에 장착되어 승객의 탑승 유무를 감지하는 승원 감지 센서(300)와, 상기 조수석의 등받이 폴딩 시 작동이 이루어지는 작동 스위치(400)와, 상기 충격 감지 센서(100) 및 차속 감지 센서(200)의 출력으로 에어백(700)의 작동 여부를 판단하고, 상기 에어백(700)이 작동 시 승원 감지 센서(300)의 출력을 검색하여 조수석의 탑승객 존재 여부를 판단함과 동시에 작동 스위치(400)의 작동 유무에 따라 조수석 등받이의 폴딩 유무를 전달받고, 그 판단 결과에 따라 에어백(700)이 작동 시, 구동부(600)를 선택적으로 제어하여 조수석의 에어백(700)을 선택적으로 작동시키는 전자 제어 장치(500)로 구성된다.As shown in FIGS. 3, 4, and 5, the airbag control apparatus for a vehicle of the present invention includes a shock sensor 100 that detects a collision of a vehicle, and a vehicle speed sensor that detects a driving speed of a current vehicle. (200), an occupant detection sensor (300) mounted at a predetermined position of the passenger seat for detecting the presence or absence of a passenger, an operation switch (400) which is operated when the backrest of the passenger seat is folded, and the shock detection sensor (100). And determining whether the airbag 700 is operated by the output of the vehicle speed detecting sensor 200, and searching the output of the occupant detecting sensor 300 when the airbag 700 is operated to determine whether a passenger is present in the passenger seat. Receiving the presence or absence of the front passenger's seat back in accordance with the operation of the operation switch 400, when the air bag 700 is operated according to the determination result, selectively controlling the driving unit 600 to selectively select the passenger's air bag 700 It consists of the electronic control device 500 to operate.

한편, 도 5에 도시하고 있는 바와 같이, 조수석의 등받이를 폴딩시키면 시트 백 상단 힌지 브라켓에 설치된 가이드핀(900)이 마운팅 브라켓의 가이드 홈(810)을 따라 이동하면서 리미트 스위치(400)를 작동시키게 되어 전자 제어 장치(500)로 신 호가 출력된다.Meanwhile, as shown in FIG. 5, when the backrest of the passenger seat is folded, the guide pin 900 installed in the seat back upper hinge bracket moves along the guide groove 810 of the mounting bracket to operate the limit switch 400. The signal is output to the electronic control device 500.

한편, 상기 승원 감지 센서(300)는 조수석의 탑승객 중량을 감지하는 중량 감지 센서, 적외선을 이용한 적외선 센서, 시트벨트의 착용을 감지하는 시트벨트 착용유무 감지센서 등으로 구성하여도 무방함을 밝혀 둔다.On the other hand, the occupant detection sensor 300 may be configured as a weight detection sensor for detecting the passenger weight of the passenger seat, an infrared sensor using infrared rays, seat belt wearing presence detection sensor for detecting the wearing of the seat belt, and the like. .

이와 같이 구성되는 본 발명에 의한 자동차용 에어백 제어장치는, 차량을 운행 중 정면 또는 측면 충돌 사고 발생 시 충격 감지 센서(100)가 이를 감지하여 전자 제어 장치(500)에 전달한다.In the airbag control apparatus for a vehicle according to the present invention configured as described above, when a front or side collision accident occurs while driving a vehicle, the shock sensor 100 detects it and transmits it to the electronic control apparatus 500.

이때, 차속 감지 센서(200)는 차량의 주행 시 지속적으로 현재 차량의 주행 속도를 감지하여 상기 전자 제어 장치(500)에 전달한다.At this time, the vehicle speed sensor 200 continuously detects the current driving speed of the vehicle and transmits it to the electronic control apparatus 500 when the vehicle is traveling.

상기 전자 제어 장치(500)는 상기 충격 감지 센서(100)의 출력 신호를 검색하여 차량의 충격 여부를 판단하고, 그 판단 결과 차량 충돌로 판단되면, 차속 감지 센서(200)의 출력 신호를 검색하여 정해진 속도 이상인지를 판단한다.The electronic control apparatus 500 determines whether the vehicle is impacted by searching the output signal of the impact sensor 100, and if it is determined that the vehicle is in collision, the electronic control device 500 searches for the output signal of the vehicle speed sensor 200. Determine if the speed is over.

여기서 현재 차량의 주행 속도를 검색하는 것은, 저속 시에는 에어백이 작동하지 않도록 하기 위함이다.The search for the driving speed of the current vehicle is to prevent the airbag from operating at low speed.

한편, 상기 차속을 검색한 결과 현재 차량의 주행 속도가 미리 정해진 속도 이상이면, 전자 제어 장치(500)는 에어백(700)을 작동해야 하는 것으로 판단을 한다.Meanwhile, as a result of searching the vehicle speed, if the driving speed of the current vehicle is greater than or equal to a predetermined speed, the electronic control apparatus 500 determines that the airbag 700 should be operated.

다음으로, 승객 감지 센서(300)의 신호를 검색하여 조수석의 탑승객 유무를 감지하게 된다.Next, by searching for a signal of the passenger sensor 300 to detect the presence of passengers in the passenger seat.

이때, 상기 승객 감지 센서(300)가 중량 감지 센서인 경우에는 조수석에 탑 승한 승객의 중량을 검출한다.In this case, when the passenger sensor 300 is a weight sensor, the weight of the passenger riding on the passenger seat is detected.

한편, 승객 감지 센서(300)에 의해 조수석에 승원이 탑승한 상태임이 검출되면, 검출한 중량이 미리 설정된 중량 이상인지를 판단한다.On the other hand, if it is detected by the passenger sensor 300 that the occupant is in the passenger seat, it is determined whether the detected weight is more than the preset weight.

이것은 조수석에 탑승한 승객이 어린아이이거나 중량이 미달인 사람인 경우 에어백을 작동시키지 않기 위함이다.This is to prevent the airbags from being operated if the passenger in the passenger seat is a child or underweight.

또한, 상기 승객 감지 센서(300)에 조수석에 탑승한 승객의 중량이 검출되면, 마운팅 브라켓(800)에 설치된 작동스위치(400)가 작동되어 신호가 출력중인가를 전자 제어 장치(500)가 판단하게 된다.In addition, when the weight of the passenger in the passenger seat is detected by the passenger detection sensor 300, the electronic control device 500 determines whether the operation switch 400 installed in the mounting bracket 800 is operated to output a signal. Done.

상기 전자 제어 장치(500)가 판단 결과 조수석에 탑승한 승객의 중량이 미리 설정된 중량 이하이거나, 작동스위치(400)가 작동되어 조수석 등받이가 폴딩된 것으로 판단되면, 상기 전자 제어 장치(500)는 구동부(600)내의 다수개의 구동기 중 조수석의 에어백(700) 구동용 구동기와 사이드 에어백(700)용 구동기만 오프시키고, 나머지 구동기는 전부 작동을 시킨다.When the electronic control apparatus 500 determines that the weight of the passenger in the passenger seat is less than or equal to a preset weight, or the operation switch 400 is operated to determine that the passenger seat back is folded, the electronic control apparatus 500 drives the driver. Of the plurality of drivers in 600, only the driver for driving the passenger's airbag 700 and the side airbag 700 is turned off, and all the remaining drivers are operated.

그러면 구동부(600)는 상기와 같이 선택적으로 구동을 하여, 조수석에 대응한 에어백(700) 및 사이드 에어백(700)을 제외한 나머지 에어백(700)이 작동을 하여 운전자 및 승객을 보호하게 되는 것이다.Then, the driving unit 600 is selectively driven as described above, the airbag 700 other than the airbag 700 and the side airbag 700 corresponding to the passenger seat is operated to protect the driver and the passenger.

이상에서 상술한 본 발명에 따르면, 조수석에 승객이 탑승하지 않는 경우, 또는 조수석에 탑승한 승객의 체중이 적은 어린아이일 경우 에어백의 작동을 오프 시킬 수 있으므로, 어린 아이일 경우 에어백의 작동으로 인해 발생되는 부상 위험을 미연에 방지할 수 있으며, 조수석에 승객이 탑승하지 않은 경우 및 조수석의 등받이를 폴딩시켜 물건을 올려놓은 상태로 차량을 운행하는 도중 충돌 사고가 발생하여도 에어백이 작동되지 않도록 하여 차량의 수리비용 절감 및 승객 상해 위험을 저감시킬 수 있는 등의 효과가 있는 매우 유용한 발명이다.According to the present invention described above, when the passenger is not in the passenger seat, or if the child of the passenger seated in the passenger seat is small, the operation of the airbag can be turned off, due to the operation of the airbag in the young child The risk of injury can be prevented in advance, and the airbag does not operate even if there is no passenger in the front passenger seat, or when the vehicle is operated with the passenger's seat back folded. It is a very useful invention that can reduce the repair cost of the vehicle and reduce the risk of passenger injury.

Claims (5)

삭제delete 충격 감지 센서(100), 차속 감지 센서(200), 구동부(600), 조수석의 소정 위치에 장착되어 중량을 검출하는 승원 감지 센서(300), 상기 충격 감지 센서(100) 및 차속 감지 센서(200)의 출력으로 에어백 작동 여부를 판단하고, 에어백 작동 시 상기 승원 감지 센서(300)의 출력을 검색하여 조수석의 탑승객 중량 또는 탑승객 존재 여부를 판단하고, 그 판단 결과에 따라 에어백 작동 시 선택적으로 구동부(600)를 제어하여 조수석의 에어백을 선택적으로 작동시키는 전자 제어 장치(500)를 포함하여 구성된 자동차용 에어백 장치에 있어서, 상기 조수석 등받이의 폴딩상태에 따라 작동이 이루어지는 작동 스위치(400)에 의해 전자 제어 장치(500)가 구동부(600)를 선택적으로 제어하며 조수석의 에어백(700)을 선택적으로 작동시키도록 구성되고, 상기 작동스위치(400)는 조수석의 등받이를 폴딩할 경우 리클라이너 마운팅 브라켓(800)의 가이드홈(810)을 따라 이동이 이루어지는 가이드핀(900)에 의해 전자 제어 장치(500)로 신호가 출력되어지게 됨을 특징으로 하는 자동차용 에어백 제어장치.Shock detection sensor 100, vehicle speed detection sensor 200, the driving unit 600, the occupant detection sensor 300 for detecting the weight mounted on a predetermined position of the passenger seat, the shock detection sensor 100 and the vehicle speed detection sensor 200 Determine whether the airbag is operated by the output of the), search the output of the occupant detection sensor 300 when the airbag is operating to determine the passenger weight or the presence of the passenger seat, and according to the determination result selectively driving unit ( In the vehicle airbag device including an electronic control device 500 for selectively operating the airbag of the passenger seat by controlling the 600, the electronic control by the operation switch 400 which is operated in accordance with the folding state of the passenger seat backrest The apparatus 500 is configured to selectively control the driver 600 and to selectively activate the passenger's airbag 700, the operation switch 400 is the passenger seat When the backrest is folded, a signal is output to the electronic control apparatus 500 by a guide pin 900 which moves along the guide groove 810 of the recliner mounting bracket 800. Device. 삭제delete 삭제delete 삭제delete
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0986334A (en) * 1995-09-20 1997-03-31 Nissan Motor Co Ltd Air bag operation control device for front passenger's seat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0986334A (en) * 1995-09-20 1997-03-31 Nissan Motor Co Ltd Air bag operation control device for front passenger's seat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
일본공개특허공보 특개평9-86334

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