KR970026554A - Car airbag system control unit - Google Patents

Car airbag system control unit Download PDF

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Publication number
KR970026554A
KR970026554A KR1019950043940A KR19950043940A KR970026554A KR 970026554 A KR970026554 A KR 970026554A KR 1019950043940 A KR1019950043940 A KR 1019950043940A KR 19950043940 A KR19950043940 A KR 19950043940A KR 970026554 A KR970026554 A KR 970026554A
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KR
South Korea
Prior art keywords
output
state
airbag
signal
seat
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Application number
KR1019950043940A
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Korean (ko)
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KR100210925B1 (en
Inventor
김희수
Original Assignee
전성원
현대자동차 주식회사
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Priority to KR1019950043940A priority Critical patent/KR100210925B1/en
Publication of KR970026554A publication Critical patent/KR970026554A/en
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Publication of KR100210925B1 publication Critical patent/KR100210925B1/en

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Classifications

    • 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
    • B60R21/01332—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 by frequency or waveform analysis
    • 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
    • B60R21/01558—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 monitoring crash strength
    • 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

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

Abstract

자동차에 탑승하고 있는 탑승객의 상태에 따라 각 장착되어 있는 에어백의 전개 상태를 제어하여 불필요에 에어백의 전개 동작에 따른 비용 낭비와 인명 피해를 최소화할 수 있도록 하는 자동차의 에어백 시스템 제어 장치를 제공하기 위하여, 운전석과 탑승석에 장착되어, 인가되는 제어 신호의 상태에 따라 전개 상태가 변화하는 운전석 및 탑승석 에어백과; 자동차의 충돌시 발생하는 충격 정도에 따라 출력되는 전기 신호의 상태를 변화시켜 충돌 파형의 형태를 변화시키는 충돌 감지 수단과; 상기 충돌 감지 수단에서 출력되는 신호를 판독하여, 충돌 사고 발생시 충돌 파형의 분석하고 충돌 파형의 상태가 설정조건을 만족할 경우 운전석과 탑승석에 장착되어 있는 상기 에어백을 작동시키기 위한 제어 신호를 출력하는 에어백 제어 수단과; 자동차의 탑승석에 내장되어 탑승석에 가해지는 압력의 크기에 따라 출력되는 전기 신호가 변화하는 다수개의 압력 감지 수단과; 상기 다수개의 압력 감지 수단에서 출력되는 신호를 조합하여, 다수개의 압력 감지 수단의 출력 신호가 설정값 이상의 신호를 모두 출력할 경우에만 출력 상태가 변화하는 신호 조합 수단과; 상기 신호 조합 수단에서 출력되는 신호의 상태에 따라 동작 상태가 변화하여, 엔진 제어 수단에서 출력되어 탑승석 에어백으로 전달되는 구동 전류를 차단할 수 있도록 하고 스위칭 수단을 포함하여 이루어져 있다.To provide a vehicle airbag system control device that can control the deployment state of each installed airbag according to the state of the passengers in the vehicle, thereby minimizing unnecessary waste and human injury caused by the airbag deployment operation. A driver's seat and a passenger seat airbag mounted on the driver's seat and the passenger seat, the deployment state of which is changed according to a state of a control signal applied thereto; Collision detection means for changing the shape of the collision waveform by changing the state of the electrical signal output according to the degree of impact generated during a collision of the vehicle; An airbag that reads the signal output from the collision detecting means, analyzes the crash waveform when a crash occurs, and outputs a control signal for operating the airbags mounted on the driver's seat and the passenger seat when the crash waveform satisfies a set condition; Control means; A plurality of pressure sensing means built in the passenger seat of the vehicle and the electric signal outputted according to the magnitude of the pressure applied to the passenger seat; Signal combination means for combining the signals output from the plurality of pressure sensing means so that the output state changes only when the output signals of the plurality of pressure sensing means output all signals above a set value; The operation state is changed according to the state of the signal output from the signal combination means, so that the driving current output from the engine control means to be delivered to the passenger seat airbag, and comprises a switching means.

Description

자동차의 에어백 시스템 제어 장치Car airbag system control unit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 이 발명의 실시예에 따른 자동차의 에어백 시스템 제어 장치의 블럭도이고,1 is a block diagram of an apparatus for controlling an airbag system of a vehicle according to an embodiment of the present invention,

제2도는 일반적인 에어백 제어부의 동작 순서도이다.2 is an operation flowchart of a general airbag control unit.

Claims (4)

운전석과 탑승석에 장착되어, 인가되는 제어 신호의 상태에 따라 전개 상태가 변화하는 운전석 및 탑승석 에어백과; 자동차의 충돌시 발생하는 충격 정도에 따라 출력되는 전기 신호의 상태를 변화시켜 충돌 파형의 형태를 변화시키는 충돌 감지 수단과; 상기 충돌 감지 수단에서 출력되는 신호를 판독하여, 충돌 사고 발생시 충돌 파형의 분석하고 충돌 파형의 상태가 설정조건을 만족할 경우 운전석과 탑승석에 장착되어 있는 상기 에어백을 작동시키기 위한 제어 신호를 출력하는 에어백 제어 수단과; 자동차의 탑승석에 내장되어 탑승석에 가해지는 압력의 크기에 따라 출력되는 전기 신호가 변화하는 다수개의 압력 감지 수단과; 상기 다수개의 압력 감지 수단에서 출력되는 신호를 조합하여, 다수개의 압력 감지 수단의 출력 신호가 설정값 이상의 신호를 모두 출력할 경우에만 출력 상태가 변화하는 신호 조합 수단과; 상기 신호 조합 수단에서 출력되는 신호의 상태에 따라 동작 상태가 변화하여, 엔진 제어 수단에서 출력되어 탑승석 에어백으로 전달되는 구동 전류를 차단할 수 있도록 하는 스위칭 수단을 포함하여 이루어져 있는 것을 특징으로 하는 자동차의 에어백 시스템 제어 장치.A driver's seat and a passenger's seat airbag mounted on the driver's seat and the passenger seat, the deployment state of which is changed according to a state of a control signal applied thereto; Collision detection means for changing the shape of the collision waveform by changing the state of the electrical signal output according to the degree of impact generated during a collision of the vehicle; An airbag that reads the signal output from the collision detecting means, analyzes the crash waveform when a crash occurs, and outputs a control signal for operating the airbags mounted on the driver's seat and the passenger seat when the crash waveform satisfies a set condition; Control means; A plurality of pressure sensing means built in the passenger seat of the vehicle and the electric signal outputted according to the magnitude of the pressure applied to the passenger seat; Signal combination means for combining the signals output from the plurality of pressure sensing means so that the output state changes only when the output signals of the plurality of pressure sensing means output all signals above a set value; An operating state is changed according to the state of a signal output from the signal combination means, and switching means for blocking the drive current output from the engine control means to the passenger seat airbag, characterized in that Airbag System Control Unit. 제1항에 있어서, 상기 다수개의 압력 감지 수단은, 탑승석의 시트 밑과 등받이의 각 설정된 위치에 장착되어, 각 해당 위치에 가해지는 압력의 크기에 따라 출력되는 전압의 크기가 변화하는 것을 특징으로 하는 자동차의 에어백 시스템 제어 장치.The method of claim 1, wherein the plurality of pressure sensing means is mounted at each set position of the seat back and the back of the seat, the magnitude of the output voltage according to the magnitude of the pressure applied to each corresponding position, characterized in that To control the airbag system of the car. 제1항에 있어서, 상기 신호 조합 수단은, 다수개의 압력 감지 수단에서 출력되는 모든 신호의 상태가 설정값 이상에 크기에 해당하는 신호가 출력될 경우, 고레벨인 "H" 상태의 신호를 출력하여 스위칭 수단의 동작 상태를 제어할 수 있는 논리곱 수단으로 이루어져 있는 것을 특징으로 하는 자동차의 에어백 시스템 제어 장치.The method of claim 1, wherein the signal combination means outputs a signal of a high level "H" state when a signal corresponding to a magnitude greater than a set value of all signals output from the plurality of pressure sensing means is output. An apparatus for controlling an airbag system for a vehicle, characterized in that it comprises logical AND means capable of controlling the operating state of the switching means. 제1항에 있어서, 상기 스위칭 수단은, 신호 조합 수단의 출력 단자에 일측 단자가 연결되어 있고 타측 단자가 접지되어 있는 코일(L11)과, 상기 에어백 제어 수단의 출력단자에 일측 단자가 연결되어 있고 탑승객 에어백(32)에 타측 단자가 연결되어 있는 스위치(SW11)로 이루어져, 신호 조합 수단에서 출력되는 신호의 상태에 따라 동작 상태가 변화하여 에어백 제어 수단에서 탑승객 에어백(32)으로 출력하는 구동 전류의 인가상태를 차단할 수 있도록 하는 릴레이로 이루어져 있는 것을 특징으로 하는 자동차의 에어백 시스템 제어 장치.According to claim 1, The switching means, one terminal is connected to the output terminal of the signal combining means and the other terminal is grounded L11 and one terminal is connected to the output terminal of the airbag control means The switch SW11 having the other terminal connected to the passenger airbag 32, the operation state is changed according to the state of the signal output from the signal combination means, the driving current output from the airbag control means to the passenger airbag 32 The airbag system control device of a vehicle, characterized in that consisting of a relay to block the state of authorization. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950043940A 1995-11-27 1995-11-27 Vehicle airbag system controller KR100210925B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950043940A KR100210925B1 (en) 1995-11-27 1995-11-27 Vehicle airbag system controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950043940A KR100210925B1 (en) 1995-11-27 1995-11-27 Vehicle airbag system controller

Publications (2)

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KR970026554A true KR970026554A (en) 1997-06-24
KR100210925B1 KR100210925B1 (en) 1999-07-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020085731A (en) * 2001-05-08 2002-11-16 주식회사 신한에스아이티 Sensing system using piezoelectric element
KR101028178B1 (en) * 2004-08-18 2011-04-08 기아자동차주식회사 A control method of airbag

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101627502B1 (en) * 2010-03-18 2016-06-07 현대모비스 주식회사 Passenger protection device of automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020085731A (en) * 2001-05-08 2002-11-16 주식회사 신한에스아이티 Sensing system using piezoelectric element
KR101028178B1 (en) * 2004-08-18 2011-04-08 기아자동차주식회사 A control method of airbag

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Publication number Publication date
KR100210925B1 (en) 1999-07-15

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