KR970034243A - Height adjustment device according to driving condition - Google Patents

Height adjustment device according to driving condition Download PDF

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Publication number
KR970034243A
KR970034243A KR1019950066756A KR19950066756A KR970034243A KR 970034243 A KR970034243 A KR 970034243A KR 1019950066756 A KR1019950066756 A KR 1019950066756A KR 19950066756 A KR19950066756 A KR 19950066756A KR 970034243 A KR970034243 A KR 970034243A
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KR
South Korea
Prior art keywords
state
signal output
height
vehicle body
changing
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Application number
KR1019950066756A
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Korean (ko)
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KR0183125B1 (en
Inventor
김경영
Original Assignee
전성원
현대자동차 주식회사
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Application filed by 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019950066756A priority Critical patent/KR0183125B1/en
Publication of KR970034243A publication Critical patent/KR970034243A/en
Application granted granted Critical
Publication of KR0183125B1 publication Critical patent/KR0183125B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B60G17/0525—Height adjusting or levelling valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
    • B60G17/0164—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/204—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/20—Speed
    • B60G2400/208—Speed of wheel rotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/40—Steering conditions
    • B60G2400/41—Steering angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/01—Attitude or posture control
    • B60G2800/014—Pitch; Nose dive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/90—System Controller type
    • B60G2800/91—Suspension Control
    • B60G2800/914—Height Control System

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

자동차의 주행 상태에 따라 각 바퀴에 장착되어 있는 에어 스프링의 상태를 변화시켜 차체의 높이를 제어하므로 조종 안전성과 승차감을 향상시킬 수 있도록 하는 주행 상태에 따른 차체 높이 조절 장치를 제공하기 위하여, 자동자의 주행 속도에 따라 출력되는 전기 신호의 상태가 변화하는 주행 속도 감지 수단과; 자동차 바퀴의 회전속도에 따라 출력되는 전기 신호의 상태가 변화하는 휠 속도 감지 수단과; 운전자에 의한 조향 휠의 회전 방향과 각도에 따라 출력되는 전기 신호의 상태가 변화하는 조향 각도 감지 수단과; 상기 감지 수단에서 출력되는 신호를 판독하여, 자동차의 주행 상태가 급감속 싱태일 경우, 각 주행 속도에 따른 조향 각도 상태에 따라 설정된 상태로 차체의 높이를 변화시키기 위한 설정 시간동안 제어 신호를 출력하는 동작 제어 수단과; 상기 동작 제어 수단에서 출력되는 제어 신호에 따른 개폐 상태에 따라 공기의 흐름이 변화하는 다수개의 제어 밸브와; 상기 다수개의 제어 밸브의 동작상태에 따라 변화하는 공기의 흐름에 따라 각 해당 높이가 변화하여 차체의 높이를 변화시킬 수 있도륵 하는 다수개의 에어 스프링을 포함하여 이루어져 있다.To control the height of the vehicle body by changing the state of the air spring mounted on each wheel according to the driving state of the vehicle, in order to provide a vehicle body height adjustment device according to the driving state to improve steering safety and ride comfort, Traveling speed detecting means for changing a state of an electrical signal output according to the traveling speed; Wheel speed sensing means for changing a state of an electrical signal output according to a rotation speed of a vehicle wheel; Steering angle sensing means for changing a state of an electrical signal output according to a rotation direction and angle of a steering wheel by a driver; Reading a signal output from the sensing means and outputting a control signal for a predetermined time for changing the height of the vehicle body in a state set according to a steering angle state according to each driving speed when the driving state of the vehicle is a sudden deceleration state; Operation control means; A plurality of control valves in which air flow changes according to an open / closed state according to a control signal output from the operation control means; Comprising a plurality of air springs to change the height of the vehicle body by changing the corresponding height in accordance with the flow of air that changes according to the operating state of the plurality of control valves.

Description

주행상태에 따른 차체 높이 조절 장치Height adjustment device according to driving condition

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명의 실시예에 따른 주행 상태에 따른 차체 높이 조절 장치의 블럭도이고,1 is a block diagram of a vehicle body height adjustment device according to a driving state according to an embodiment of the present invention,

제2도는 이 발명의 실시예에 따른 동작 제어부의 동작 순서도이다.2 is an operation flowchart of an operation control unit according to an embodiment of the present invention.

Claims (6)

자동차의 주행 속도에 따라 출력되는 전기 신호의 상태가 변화하는 주행 속도 감지 수단과; 자동차 바퀴의 회전속도에 따라 출력되는 전기 신호의 상대가 변화하는 휠 속도 감지 수단과; 운전자에 의한 조향 휠의 회전 방향과 각도에 따라 출력되는 전기 신호의 상태가 변화하는 조향 각도 감지 수단과; 상기 감지 수단에서 출력되는 신호를 판독하여, 자동차의 주행 상태가 급감속 상태일 경우, 각 주행 속도에 따른 조향 각도 상태에 따라 설정된 상태로 차체의 높이를 변화시키기 위한 설정 시간동안 제어 신호를 출력하는 동작 제어 수단과; 상기 동작 제어 수단에서 출력되는 제어 신호에 따른 개폐 상태에 따라 공기에 흐름이 변화하는 다수개의 제어 밸브와; 상기 다수개의 제어밸브의 동작 상태에 따라 변화하는 공기의 흐름에 따라 각 해당 높이가 변화하여 차체의 높이를 변화시킬 수 있도록 하는 다수개의 에어 스프링을 포함하여 이루어져 있는 것을 특징으로 하는 주행 상태에 따른 차체 높이 조절 장치.Traveling speed detecting means for changing a state of an electrical signal output according to the traveling speed of the vehicle; Wheel speed sensing means for changing a relative of an electrical signal output according to a rotational speed of a vehicle wheel; Steering angle sensing means for changing a state of an electrical signal output according to a rotation direction and angle of a steering wheel by a driver; Reading a signal output from the sensing means, when the driving state of the vehicle is a sudden deceleration state, and outputs a control signal for a set time for changing the height of the vehicle body in a state set according to the steering angle state according to each driving speed Operation control means; A plurality of control valves in which a flow changes in air according to an open / closed state according to a control signal output from the operation control means; Vehicle body according to the driving state characterized in that it comprises a plurality of air springs to change the height of the vehicle body by changing the corresponding height in accordance with the flow of air that changes according to the operating state of the plurality of control valves Height adjustment device. 제1항에 있어서, 상기 동작 제어 수단은, 휠 속도 감지 수단에서 출력되는 신호를 이용하여 판정된 휠속도 변화량이 설정값보다 작을 경우 급 감속을 위한 상태로 판단하여 차체의 앞부분이 상승할 수 있도록 하는 주행 상태에 따른 차체 높이 조절 장치.The method of claim 1, wherein the operation control means, when the amount of change in the wheel speed determined by using the signal output from the wheel speed detection means is less than the set value to determine the state for rapid deceleration so that the front portion of the vehicle body can rise Body height adjustment device according to the driving condition. 제2항에 있어서, 상기 설정값은, 급 감속 동작이 이루어질 때 변화하는 휠 속도 변화량을 이용하여 설정하는 것을 특징으로 하는 주행 상태에 따른 차체 높이 조절 장치.The apparatus of claim 2, wherein the set value is set by using a wheel speed change amount which is changed when a rapid deceleration operation is performed. 제1항에 있어서, 상기 동작 제어 수단은, 주행 속도 감지 수단에서 출력되는 신호에 의해 판정된 자동차의 주행 속도가 설정 속도 이상인 고속 상태이고, 조향 각도 감지 수단에서 출력되는 신호에 의해 판정된 조향 각도가 제1설정 각도 이상일 경우, 조향 방향으로 차체의 높이가 상승할 수 있도록 하는 것을 특징으로 하는 주행 상태에 따른 차체 높이 조절 장치.2. The steering angle control apparatus according to claim 1, wherein the operation control means is a high speed state in which the traveling speed of the vehicle determined by the signal output from the traveling speed sensing means is higher than or equal to a set speed, and the steering angle determined by the signal output from the steering angle sensing means. When the height is more than the first set angle, the height of the vehicle body height adjustment device according to the running state, characterized in that the height of the vehicle body can rise in the steering direction. 제1항에 있어서, 상기 동작 제어 수단은, 주행 속도 감지 수단에서 출력되는 신호에 의해 판정된 자동차의 주행 속도가 설정 속도 이하이고, 조향 각도 감지 수단에서 출력되는 신호에 의해 판정된 조향 각도가 제2설정 각도이상일 경우, 조향 방향으로 차체의 높이가 상승할 수 있도록 하는 것을 특징으로 하는 주행 상태에 따른 차체 높이 조절 장치.According to claim 1, wherein the operation control means, the traveling speed of the vehicle determined by the signal output from the traveling speed detection means is less than the set speed, the steering angle determined by the signal output from the steering angle detection means is the first The height of the vehicle body height adjustment device according to the running state, characterized in that the height of the vehicle body to rise in the steering direction when the angle is more than two set angles. 제4 및 제5항에 있어서, 상기 제1설정 각도보다 제2설정 각도가 매우 큰 폭으로 작은 것을 특징으로 하는 주행상태에 따른 차체 높이 조절 장치.6. The vehicle body height adjusting device according to claim 4 or 5, wherein the second setting angle is much smaller than the first setting angle. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950066756A 1995-12-29 1995-12-29 Control apparatus of the height of a car body depending upon the driving status KR0183125B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950066756A KR0183125B1 (en) 1995-12-29 1995-12-29 Control apparatus of the height of a car body depending upon the driving status

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950066756A KR0183125B1 (en) 1995-12-29 1995-12-29 Control apparatus of the height of a car body depending upon the driving status

Publications (2)

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KR970034243A true KR970034243A (en) 1997-07-22
KR0183125B1 KR0183125B1 (en) 1999-04-01

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KR1019950066756A KR0183125B1 (en) 1995-12-29 1995-12-29 Control apparatus of the height of a car body depending upon the driving status

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100471822B1 (en) * 2002-01-30 2005-03-08 현대자동차주식회사 air suspension control method

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