KR100534484B1 - Apparatus for enlarging steering angle using car height regulation suspension in automobile - Google Patents
Apparatus for enlarging steering angle using car height regulation suspension in automobile Download PDFInfo
- Publication number
- KR100534484B1 KR100534484B1 KR10-2002-0079846A KR20020079846A KR100534484B1 KR 100534484 B1 KR100534484 B1 KR 100534484B1 KR 20020079846 A KR20020079846 A KR 20020079846A KR 100534484 B1 KR100534484 B1 KR 100534484B1
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- steering angle
- garage
- unit
- shock absorber
- oil
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Classifications
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- 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
- B60G17/0162—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 a motion involving steering operation, e.g. cornering, overtaking
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- 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
- B60G17/018—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 the use of a specific signal treatment or control method
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- 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
- B60G17/019—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 the type of sensor or the arrangement thereof
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- 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
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
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- 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
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
- B60G17/0565—Height adjusting valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/41—Fluid actuator
- B60G2202/416—Fluid actuator using a pump, e.g. in the line connecting the lower chamber to the upper chamber of the actuator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/419—Gears
- B60G2204/4192—Gears rack and pinion
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60G2401/20—Switches, e.g. mercury or ball type switches
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
본 발명은 자동차의 차고조정서스펜션을 이용한 조향각 확대장치에 관한 것으로, 현가장치의 쇽업소버에 설치되는 차고조정부; 상기 차고조정부의 작동에 따라 자동차 속도가 저속인 경우 조향각을 조정하기 위해 조향기어 어셈블리의 일측에 설치되는 조향각 확대부; 상기 차고조정부의 작동신호를 입력받아 상기 조향각 확대부에 작동신호를 출력하는 제어부를 포함한다. 상기 차고조정부는 상기 제어부에 자동차의 차고를 높이는 작동을 지시하는 차고스위치와, 오일이 채워진 오일탱크와, 상기 차고스위치의 작동에 따라 상기 오일탱크의 오일을 펌핑하기 위한 오일펌프와, 오일이 채워져 쇽업소버와 소통되도록 상기 쇽업소버 하단에 설치되는 차고조정탱크와, 상기 차고조정탱크와 상기 쇽업소버 사이 및 상기 쇽업소버와 상기 오일탱크 사이에 설치되어 상기 제어부의 신호에 따라 개폐되는 솔레노이드 밸브들로 이루어진다. 상기 조향각 확대부는 조향각 확대여부를 판단하기 위해 신호를 검출하는 센서부와, 상기 센서부로부터 입력되는 신호를 상기 제어부에서 컨트롤하여 조향기어 어셈블리의 축방향을 따라 이동하는 가변스토퍼와, 상기 가변스토퍼를 작동시키기 위한 유압시스템으로 구성된다. The present invention relates to a steering angle expansion device using a vehicle height adjustment suspension of a vehicle, comprising: a height adjustment part installed at a shock absorber of a suspension device; A steering angle enlargement unit installed at one side of the steering gear assembly to adjust the steering angle when the vehicle speed is low according to the operation of the garage adjustment unit; And a control unit configured to receive an operation signal of the height adjustment unit and output an operation signal to the steering angle enlargement unit. The garage adjustment unit is a garage switch for instructing the control unit to increase the garage of the vehicle, an oil-filled oil tank, an oil pump for pumping oil in the oil tank according to the operation of the garage switch, and the oil is filled And a solenoid valve installed at the bottom of the shock absorber so as to communicate with the shock absorber, between the garage adjustment tank and the shock absorber, and between the shock absorber and the oil tank, the solenoid valves being opened and closed in response to a signal from the controller. Is done. The steering angle expanding unit includes a sensor unit for detecting a signal to determine whether the steering angle is enlarged, a variable stopper for controlling a signal input from the sensor unit to move along the axial direction of the steering gear assembly, and the variable stopper. It consists of a hydraulic system for operation.
Description
본 발명은 자동차 속도가 낮은구간에서 선회시 효율을 증대시키기 위해 차의 높낮이를 조절하여 조향각을 확대시킴으로써, 차체와 타이어의 간섭을 피하면서 최소회전반경을 줄일 수 있는 자동차의 차고조정서스펜션을 이용한 조향각 확대장치에 관한 것이다.The present invention is to increase the steering angle by adjusting the height of the car in order to increase the efficiency when turning in a low vehicle speed, the steering angle using the height adjustment suspension of the vehicle that can reduce the minimum turning radius while avoiding interference between the body and the tire It relates to a magnification device.
일반적으로, 조향장치는 운전자가 임의로 차륜의 진행방향을 바꿀때, 조작되는 조향휠, 조향축, 조향기어, 동력조향장치 등의 모든 부품들을 가리킨다. 이러한 조향장치의 기능은 차륜을 원하는 방향으로 조향하고, 운전자의 수동 조작력에 의한 토크를 차륜을 조향시키는데 충분한 충분한 수준의 조향토크로 증강시킨다.In general, a steering device refers to all parts such as a steering wheel, a steering shaft, a steering gear, a power steering device, and the like, which are manipulated when the driver arbitrarily changes the driving direction of the wheel. The function of this steering device is to steer the wheels in the desired direction and augment the torque by the driver's manual manipulation force to a sufficient level of steering torque to steer the wheels.
또한, 자동차의 운행시 차륜은 회전운동 외에도 상하운동을 하게 되고, 이때 노면에서 전달되는 충격력이 차체로 전달된다. 따라서, 스프링, 부싱, 쇽업소버 등의 현가장치가 차축과 차체 사이에 장착되어 노면으로부터의 충격을 흡수하여 자동차의 안정성과 승차감을 향상시키게 된다. In addition, the wheel during the operation of the vehicle is to move up and down in addition to the rotational movement, the impact force transmitted from the road surface is transmitted to the vehicle body. Accordingly, suspension devices such as springs, bushings, shock absorbers, and the like are mounted between the axle and the body to absorb shock from the road surface, thereby improving the stability and ride comfort of the vehicle.
그런데, 최근 자동차의 스타일 변화에 따라 휠베이스가 커지고, 타이어의 사이즈가 커지는 경향이 있어 선회능력을 표현하는 최소회전반경이 커지는 추세에 있다. 또한, 큰 타이어를 장착하기 위해 자동차의 폭도 증대되는 경향이 있는데, 현재는 조향각이 일정하게 고정되어 있고, 조향각을 키우려고 해도 차체와의 간섭 발생으로 조향각을 확대시키는데 어려움이 있었다. However, in recent years, as the style of the vehicle changes, the wheel base becomes larger and the tire size tends to increase, so that the minimum turning radius representing the turning capability is increasing. In addition, there is a tendency to increase the width of the vehicle to mount a large tire, the current steering angle is fixed fixed, even if trying to increase the steering angle was difficult to expand the steering angle due to interference with the vehicle body.
특히, 도로폭이 좁은 지역에서 'U'턴시, 한번의 조향장치 조작으로 선회하기가 힘들어 교통정체나 자동차가 도로 연석에 충돌하는 경우가 자주 발생하게 되고, 타이어와 차체의 간격을 확보하기 위해 큰 타이어를 장착하지 못하거나 차체가 커져야만 하는 문제점이 있었다.In particular, in a narrow road area, it is difficult to turn by 'U' turn-on and once steering device, so traffic jams or cars collide with the curb frequently. There was a problem that the tire can not be mounted or the body should be large.
본 발명은 상기와 같은 종래의 제반 문제점을 해결하기 위해 개발된 것으로, 저속선회시 차체에 의한 간섭을 받지 않고 조향각을 보다 크게 할 수 있는 구조로 하여 최소회전반경을 줄이는 한편, 차체의 높이를 높여 겨울철에 스노우 체인 장착시 차체와의 간섭을 회피할 수 있도록 차고조정이 가능한 자동차의 차고조정서스펜션을 이용한 조향각 확대장치를 제공함에 그 목적이 있다.The present invention was developed to solve the above-mentioned conventional problems, and to reduce the minimum rotation radius while increasing the height of the vehicle body by a structure that can increase the steering angle more than the interference by the vehicle body during low-speed turning It is an object of the present invention to provide a steering angle enlargement device using a garage adjustment suspension of a car that can be adjusted in a garage so as to avoid interference with a vehicle body when installing a snow chain in winter.
상기와 같은 목적을 달성하기 위한 본 발명에 따른 자동차의 차고조정서스펜션을 이용한 조향각 확대장치는 현가장치의 쇽업소버에 설치되는 차고조정부; 상기 차고조정부의 작동에 따라 자동차 속도가 저속인 경우 조향각을 조정하기 위해 조향기어 어셈블리의 일측에 설치되는 조향각 확대부; 상기 차고조정부의 작동신호를 입력받아 상기 조향각 확대부에 작동신호를 출력하는 제어부를 포함한다. Steering angle expansion device using the vehicle height adjustment suspension of the vehicle according to the present invention for achieving the above object is a garage adjustment unit is installed on the shock absorber of the suspension; A steering angle enlargement unit installed at one side of the steering gear assembly to adjust the steering angle when the vehicle speed is low according to the operation of the garage adjustment unit; And a control unit configured to receive an operation signal of the height adjustment unit and output an operation signal to the steering angle enlargement unit.
상기 차고조정부는 상기 제어부에 자동차의 차고를 높이는 작동을 지시하는 차고스위치와, 오일이 채워진 오일탱크와, 상기 차고스위치의 작동에 따라 상기 오일탱크의 오일을 펌핑하기 위한 오일펌프와, 오일이 채워져 쇽업소버와 소통되도록 상기 쇽업소버 하단에 설치되는 차고조정탱크와, 상기 차고조정탱크와 상기 쇽업소버 사이 및 상기 쇽업소버와 상기 오일탱크 사이에 설치되어 상기 제어부의 신호에 따라 개폐되는 솔레노이드 밸브들로 이루어진다. The garage adjustment unit is a garage switch for instructing the control unit to increase the garage of the vehicle, an oil-filled oil tank, an oil pump for pumping oil in the oil tank according to the operation of the garage switch, and the oil is filled And a solenoid valve installed at the bottom of the shock absorber so as to communicate with the shock absorber, between the garage adjustment tank and the shock absorber, and between the shock absorber and the oil tank, the solenoid valves being opened and closed in response to a signal from the controller. Is done.
상기 조향각 확대부는 조향각 확대여부를 판단하기 위해 신호를 검출하는 센서부와, 상기 센서부로부터 입력되는 신호를 상기 제어부에서 컨트롤하여 조향기어 어셈블리의 축방향을 따라 이동하는 가변스토퍼와, 상기 가변스토퍼를 작동시키기 위한 유압시스템으로 구성된다. The steering angle expanding unit includes a sensor unit for detecting a signal to determine whether the steering angle is enlarged, a variable stopper for controlling a signal input from the sensor unit to move along the axial direction of the steering gear assembly, and the variable stopper. It consists of a hydraulic system for operation.
상기 센서부는 차속을 검출하는 차속센서와, 조향각을 검출하는 조향각 센서로 구성된다. The sensor unit includes a vehicle speed sensor for detecting a vehicle speed and a steering angle sensor for detecting a steering angle.
이하 첨부된 예시도면을 참조하여 본 발명의 바람직한 실시예를 설명한다. Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.
첨부된 예시도면 도 1은 본 발명의 차고조정서스펜션을 이용한 조향각 확대장치를 도시한 도면이고, 도 2는 본 발명의 차고조정서스펜션을 이용한 조향각 확대장치의 구성을 개략적으로 도시한 블럭도이고, 도 3는 본 발명에 따른 차고조정부를 도시한 도면이다.1 is a view showing a steering angle enlargement apparatus using the height adjustment suspension of the present invention, Figure 2 is a block diagram schematically showing the configuration of the steering angle enlargement apparatus using the height adjustment suspension of the present invention, Figure 3 is a view showing the height adjustment unit according to the present invention.
도시된 바와 같이, 본 발명에 따른 자동차의 차고조정서스펜션을 이용한 조향각 확대장치는 차고조정부(110), 조향각 확대부(120) 및 제어부(130)를 포함한다.As shown, the steering angle enlargement apparatus using the height adjustment suspension of the vehicle according to the present invention includes a height adjustment unit 110, a steering angle expansion unit 120 and the controller 130.
차고조정부(110)는 현가장치인 쇽업소버(11)에 하단에 설치된다. 단, 후술될 차고스위치(111)는 운전자에 의한 조작이 용이하도록 인스트루먼트 패널이나 계기판에 설치된다. 상기 차고조정부(110)는 상기 제어부(130)에 자동차의 차고를 높이는 작동을 지시하는 차고스위치(111)와, 오일이 채워진 오일탱크(115)와, 상기 차고스위치(111)의 작동에 따라 상기 오일탱크(115)의 오일을 펌핑하기 위한 오일펌프(112)와, 오일이 채워져 쇽업소버(11)와 소통되도록 상기 쇽업소버(11) 하단에 설치되는 차고조정탱크(113)와, 상기 차고조정탱크(113)와 상기 쇽업소버(11) 사이 및 상기 쇽업소버(11)와 상기 오일탱크(115) 사이에 설치되어 상기 제어부(130)의 신호에 따라 개폐되는 솔레노이드 밸브들(114, 116)로 이루어진다. 즉, 쇽업소버(11)의 하단 내부에 차고조정탱크(113)가 신설되고, 솔레노이드 밸브(114)를 개방하여 차고조정탱크(113) 내부에 채워진 오일을 쇽업소버(11) 측으로 가압하여 로드(11a)를 상측으로 이동시켜 차체(14)를 상승시키게 된다. 여기서, 본 발명의 기술분야에 속한 당업자라면 차고를 높이기 위한 다양한 방식의 차고조정부를 변형실시할 수 있을 것이다. The garage adjustment unit 110 is installed at the lower end of the shock absorber 11, which is a suspension device. However, the garage switch 111 to be described later is installed in the instrument panel or the instrument panel to facilitate the operation by the driver. The garage adjustment unit 110 according to the operation of the garage switch 111, the oil tank 115 filled with oil, and the garage switch 111 instructing the control unit 130 to increase the garage of the vehicle. An oil pump 112 for pumping oil in the oil tank 115, a garage adjustment tank 113 installed at the bottom of the shock absorber 11 so that oil is filled and communicated with the shock absorber 11, and the garage adjustment Solenoid valves 114 and 116 installed between the tank 113 and the shock absorber 11 and between the shock absorber 11 and the oil tank 115 are opened and closed in response to a signal from the controller 130. Is done. That is, the garage adjustment tank 113 is newly installed in the lower end of the shock absorber 11, and the solenoid valve 114 is opened to pressurize the oil filled in the garage adjustment tank 113 to the shock absorber 11 side to load the rod ( The vehicle body 14 is raised by moving 11a) upward. Here, those skilled in the art will be able to modify the garage adjustment unit in various ways to increase the garage.
조향각 확대부(120)는 상기 차고조정부(110)의 작동에 따라 자동차 속도가 저속인 경우 조향각을 조정하기 위해 조향기어 어셈블리(12)의 일측에 설치된다. 즉, 상기 조향각 확대부(120)는 조향각 확대여부를 판단하기 위해 신호를 검출하는 센서부(121)와, 상기 센서부(121)로부터 입력되는 신호를 상기 제어부(130)에서 컨트롤하여 조향기어 어셈블리(12)의 축방향을 따라 이동하는 가변스토퍼(122)와, 상기 가변스토퍼(122)를 작동시키기 위한 유압시스템(123)으로 구성되어 상기 조향기어 어셈블리(12)의 조향각을 확대시킨다. 또한, 상기 센서부(121)는 차속을 검출하는 차속센서(121a)와, 조향각을 검출하는 조향각 센서(121b)로 구성된다. The steering angle expanding unit 120 is installed at one side of the steering gear assembly 12 to adjust the steering angle when the vehicle speed is low according to the operation of the garage adjustment unit 110. That is, the steering angle expanding unit 120 controls the sensor unit 121 to detect a signal to determine whether the steering angle is enlarged, and the control unit 130 controls the signal input from the sensor unit 121 to control the steering gear assembly. A variable stopper 122 moving along the axial direction of the cylinder 12 and a hydraulic system 123 for operating the variable stopper 122 extend the steering angle of the steering gear assembly 12. In addition, the sensor unit 121 includes a vehicle speed sensor 121a for detecting a vehicle speed and a steering angle sensor 121b for detecting a steering angle.
본 실시예에서는 조향기어 어셈블리(12)가 랙기어(12a)와 피니언 기어(12b)로 이루어지며, 상기 랙기어(12a)의 일측에 가변스토퍼(122)가 설치된다. 유압시스템(123)의 작동에 따라 상기 가변스토퍼(122)를 외측방향으로 이동시켜 피니언 기어(12b)의 회전에 따른 랙기어(12a)의 스트로크를 확대시켜 조향각이 확대되는 것으로 기술하였으나, 본 발명의 기술분야에 속한 당업자라면 유압시스템 뿐만아니라, 모터 등을 이용하여 가변스토퍼가 이동가능하도록 변형하여 구성할 수도 있을 것이다.In this embodiment, the steering gear assembly 12 is composed of a rack gear 12a and a pinion gear 12b, and a variable stopper 122 is installed at one side of the rack gear 12a. According to the operation of the hydraulic system 123, the variable stopper 122 is moved outward to expand the stroke of the rack gear 12a according to the rotation of the pinion gear 12b. Those skilled in the art will be able to configure the variable stopper to be movable using a motor or the like, as well as a hydraulic system.
제어부(130)는 상기 차고조정부(110)와 센서부(121)의 작동신호를 입력받아 상기 차고조정부(110)와 상기 조향각 확대부(120)에 작동신호를 출력한다. The controller 130 receives the operation signals of the height adjusting unit 110 and the sensor unit 121 and outputs an operating signal to the height adjusting unit 110 and the steering angle expanding unit 120.
이와같이 구성된 본 발명에 따른 자동차의 차고조정서스펜션을 이용한 조향각 확대장치의 작용은 다음과 같다. The operation of the steering angle enlargement apparatus using the height adjustment suspension of the vehicle according to the present invention configured as described above is as follows.
차량의 선회시 또는 주차시 최소회전반경이 필요한 경우, 먼저 차고조정부(110)를 작동시켜 자동차의 차고를 높인다. 즉, 인스트루먼트 패널(미도시)의 일측에 설치된 차고스위치(111)를 눌러 제어부(130)에 차고조정부(110)를 작동시키는 신호를 입력한다. 제어부(130)는 입력된 신호에 따라 쇽업소버(11)의 하단에 설치된 솔레노이드 밸브(114)를 개방하고, 동시에 오일펌프(112)를 작동시켜 오일탱크(115) 내부의 오일을 차고조정탱크(113) 내부로 펌핑하여 쇽업소버(11) 내부로 오일을 가압하여 쇽업소버(11) 내부의 로드(11a)를 상방으로 이동시키게 된다. 이때, 차체(14)가 들어올려지게 되고, 차고가 높아진 것이 확인되면 솔레노이드 밸브(114)를 닫아 차고를 유지하게 된다. 반대로, 차고를 낮추고자 하는 경우, 쇽업소버(11)와 오일탱크(115) 사이에 설치된 솔레노이드 밸브(116)를 개방하여 오일이 리턴되도록 하여 로드(11a)가 하강하면서 차체(14)를 낮추게 된다. When a minimum turning radius is required when turning or parking a vehicle, first, the garage adjustment unit 110 is operated to increase the garage of the vehicle. That is, pressing the garage switch 111 installed on one side of the instrument panel (not shown) inputs a signal for operating the garage adjustment unit 110 to the controller 130. The control unit 130 opens the solenoid valve 114 installed at the bottom of the shock absorber 11 according to the input signal, and simultaneously operates the oil pump 112 to adjust the oil inside the oil tank 115 to the garage adjustment tank ( 113) by pumping the inside to pressurize the oil into the shock absorber 11 to move the rod 11a inside the shock absorber 11 upwards. At this time, when the vehicle body 14 is lifted up and the height is confirmed to be high, the solenoid valve 114 is closed to maintain the garage. On the contrary, when the garage is to be lowered, the solenoid valve 116 installed between the shock absorber 11 and the oil tank 115 is opened so that oil is returned, thereby lowering the vehicle body 14 while the rod 11a is lowered. .
다음으로, 차속센서(121a)에서 자동차의 속도를 검출하게 되고, 조향각 센서(121b)에서는 조향각을 검출하여 제어부(130)로 입력한다. 이러한 센서들을 통해 자동차 속도가 저속임이 확인되면 조향각 확대부(120)가 작동하게 된다. 즉, 랙기어(12a)의 일측에 설치되어 랙기어(12a)의 스트로크를 제한하던 가변스토퍼(122)가 외측방향으로 이동하게 된다. 이에 따라, 랙기어(12a)의 스트로크가 커지게 되고, 동시에 타이어(13)의 조향각이 증대된다. Next, the vehicle speed sensor 121a detects the speed of the vehicle, and the steering angle sensor 121b detects the steering angle and inputs it to the controller 130. When it is confirmed that the vehicle speed is low through these sensors, the steering angle expanding unit 120 operates. That is, the variable stopper 122 installed on one side of the rack gear 12a to limit the stroke of the rack gear 12a is moved outward. As a result, the stroke of the rack gear 12a becomes large, and at the same time, the steering angle of the tire 13 is increased.
따라서, 차고조정부(110)의 작동에 의해 차고가 높아지게 되고, 동시에 조향각 확대부(120)의 가변스토퍼(122)의 이동에 따라 조향각이 커져 차체(14)와 타이어(13) 간의 간격이 넓어진 상태를 유지하기 때문에, 차륜 조향시 차체(14)와의 간섭을 회피할 수 있어 선회시 최소회전반경을 줄일수 있게 되고, 좁은 공간에서도 선회가 가능하게 된다. Therefore, the height of the garage is increased by the operation of the height adjusting unit 110, and at the same time, the steering angle is increased according to the movement of the variable stopper 122 of the steering angle expanding unit 120, so that the distance between the vehicle body 14 and the tire 13 is widened. Since it is possible to avoid interference with the vehicle body 14 during wheel steering, it is possible to reduce the minimum turning radius during turning and to turn even in a narrow space.
특히, 겨울철 스노우 체인을 장착하고자 하는 경우에는 차고조정부(110)만을 작동시켜, 차고를 높인 상태로 유지하여 차체(14)와의 간섭을 최소하면서 타이어(13)에 스노우 체인을 장착하게 된다. In particular, when the winter snow chain is to be mounted, only the garage adjustment unit 110 is operated to maintain the garage in a high state, thereby minimizing interference with the vehicle body 14 and mounting the snow chain on the tire 13.
이상 설명된 바와 같이, 본 발명에 따른 자동차의 차고조정서스펜션을 이용한 조향각 확대장치는 자동차 속도가 낮은구간에서 선회시 효율을 증대시키기 위해 차의 높낮이를 조절하여 조향각을 확대시킴으로써, 차체와 타이어의 간섭을 피하면서 최소회전반경을 줄일 수 있는 효과가 있다. As described above, the steering angle enlargement apparatus using the vehicle's height adjustment suspension according to the present invention is to increase the steering angle by adjusting the height of the car to increase the efficiency when turning in a low speed vehicle, the interference between the body and the tire It is effective to reduce the minimum radius while avoiding.
또한, 겨울철 스노우 체인을 장착할 때 차고높이를 높여 차체와의 간섭을 회피할 수 있어 자동차 사이즈의 증대를 억제하는 다른 효과가 있다. In addition, when the snow chain is mounted in the winter, the height of the garage can be increased to avoid interference with the vehicle body, and thus there is another effect of suppressing the increase in the size of the car.
이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains may vary without departing from the spirit of the technical idea of the present invention described in the claims below. It may be changed.
도 1은 본 발명의 차고조정서스펜션을 이용한 조향각 확대장치를 도시한 도면. 1 is a view showing a steering angle enlargement apparatus using a height adjustment suspension of the present invention.
도 2는 본 발명의 차고조정서스펜션을 이용한 조향각 확대장치의 구성을 개략적으로 도시한 블럭도.Figure 2 is a block diagram schematically showing the configuration of the steering angle expansion device using the height adjustment suspension of the present invention.
도 3은 본 발명에 따른 차고조정부의 구성을 도시한 도면.Figure 3 is a view showing the configuration of the height adjustment unit according to the present invention.
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
110: 차고조정부 111: 차고스위치110: garage adjustment unit 111: garage switch
112: 오일펌프 113: 차고조정탱크112: oil pump 113: garage adjustment tank
114: 솔레노이드 밸브 120: 조향각 확대부114: solenoid valve 120: steering angle expansion portion
121: 센서부 122: 가변스토퍼121: sensor unit 122: variable stopper
123: 유압시스템 130: 제어부123: hydraulic system 130: control unit
Claims (4)
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| KR10-2002-0079846A KR100534484B1 (en) | 2002-12-13 | 2002-12-13 | Apparatus for enlarging steering angle using car height regulation suspension in automobile |
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| KR10-2002-0079846A KR100534484B1 (en) | 2002-12-13 | 2002-12-13 | Apparatus for enlarging steering angle using car height regulation suspension in automobile |
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| KR100534484B1 true KR100534484B1 (en) | 2005-12-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970065004A (en) * | 1996-03-30 | 1997-10-13 | 배순훈 | Active suspension using steering angle of steering shaft |
| KR19980025640U (en) * | 1996-11-05 | 1998-08-05 | 박병재 | Variable gearbox for minimum turning radius of the vehicle |
| JPH10264634A (en) * | 1997-03-27 | 1998-10-06 | Toyota Motor Corp | Vehicular turning device |
| KR20000004274U (en) * | 1998-08-04 | 2000-03-06 | 홍종만 | Turning radius adjuster of vehicle |
-
2002
- 2002-12-13 KR KR10-2002-0079846A patent/KR100534484B1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970065004A (en) * | 1996-03-30 | 1997-10-13 | 배순훈 | Active suspension using steering angle of steering shaft |
| KR19980025640U (en) * | 1996-11-05 | 1998-08-05 | 박병재 | Variable gearbox for minimum turning radius of the vehicle |
| JPH10264634A (en) * | 1997-03-27 | 1998-10-06 | Toyota Motor Corp | Vehicular turning device |
| KR20000004274U (en) * | 1998-08-04 | 2000-03-06 | 홍종만 | Turning radius adjuster of vehicle |
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