KR100504656B1 - Headlight Apparatus which the Radiation Direction is Auto Controllable by the Moving Direction and Controlling Method for the same - Google Patents
Headlight Apparatus which the Radiation Direction is Auto Controllable by the Moving Direction and Controlling Method for the same Download PDFInfo
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- KR100504656B1 KR100504656B1 KR10-2002-0043175A KR20020043175A KR100504656B1 KR 100504656 B1 KR100504656 B1 KR 100504656B1 KR 20020043175 A KR20020043175 A KR 20020043175A KR 100504656 B1 KR100504656 B1 KR 100504656B1
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- steering angle
- traveling direction
- steering
- stepping motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
- B60Q1/122—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position with electrical actuating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0017—Devices integrating an element dedicated to another function
- B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2200/00—Special features or arrangements of vehicle headlamps
- B60Q2200/30—Special arrangements for adjusting headlamps, e.g. means for transmitting the movements for adjusting the lamps
- B60Q2200/38—Automatic calibration of motor-driven means for adjusting headlamps, i.e. when switching on the headlamps, not during mounting at factories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/112—Vehicle speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/12—Steering parameters
- B60Q2300/122—Steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/10—Road Vehicles
- B60Y2200/11—Passenger cars; Automobiles
-
- 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
- B60Y2400/301—Sensors for position or displacement
-
- 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
- B60Y2400/40—Actuators for moving a controlled member
- B60Y2400/405—Electric motors actuators
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
본 발명은 진행방향에 따른 배광 가변형 전조등 장치 및 그 제어방법에 관한 것으로서 전조등과, 차량 핸들에 장착되어 상기 핸들의 조향각을 측정하는 조향각센서와; 상기 차량의 중앙에 장착되어 상기 차량의 회전각을 측정하는 자이로센서와, 상기 조향각센서를 통해 측정된 조향각과 상기 자이로센서를 통해 측정된 회전각에 따라 차량 진행방향을 산출하는 진행방향 검출부와, 상기 진행방향 검출부에서 산출된 차량의 진행방항에 따라 조향방향이 조절되도록 상기 전조등을 구동시키는 스테핑모터와, 상기 조향각과 회전각에 따라 상기 스테핑모터를 제어함으로써 상기 전조등의 조향방향이 조절되도록 하는 스테핑모터 구동부를 포함하며, 상기 조향각센서와 상기 진행방향 검출부 사이에 연결되어 상기 조향각센서를 통해 측정된 조향각과 조향 기어의 비(比)에 따라 상기 차량의 실제 조향각을 산출하고 상기 실제 조향각을 상기 진행방향 검출부로 출력하는 실제조향각 검출부를 더 포함하여 구성되어, 차량이 교차로나 커브길에서 회전 시 그에 따라 전조등이 적절히 조절되어 운전자의 시야를 확보할 수 있도록 하는 효과가 있다.The present invention relates to a light distribution variable headlight device and a control method thereof according to a traveling direction, comprising: a headlight and a steering angle sensor mounted on a vehicle handle to measure a steering angle of the steering wheel; A gyro sensor mounted at the center of the vehicle to measure a rotation angle of the vehicle, a travel direction detector configured to calculate a vehicle traveling direction according to a steering angle measured by the steering angle sensor and a rotation angle measured by the gyro sensor; Stepping motor for driving the headlight to adjust the steering direction according to the traveling direction of the vehicle calculated by the traveling direction detection unit, Stepping to adjust the steering direction of the headlight by controlling the stepping motor according to the steering angle and rotation angle And a motor driving unit, which is connected between the steering angle sensor and the traveling direction detection unit to calculate an actual steering angle of the vehicle according to a ratio of the steering angle and the steering gear measured by the steering angle sensor, and the actual steering angle to the driving. The vehicle further includes an actual steering angle detector configured to output the direction detector. The headlights are properly adjusted accordingly when rotating at an intersection or a curve there is an effect that allows visibility of the driver.
Description
본 발명은 진행방향에 따른 배광 가변형 전조등 장치 및 그 제어방법에 관한 것으로서, 특히 차량의 진행방향을 측정하고 그에 따라 전조등의 조향방향을 상하 또는 좌우로 이동시킴으로써 차량 회전 시에 운전자의 시야확보가 용이하도록 하는 진행방향에 따른 배광 가변형 전조등 장치 및 그 제어방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light distribution variable headlight device according to a traveling direction and a control method thereof. In particular, the driver's field of view is easily secured when the vehicle is rotated by measuring the traveling direction of the vehicle and moving the steering direction of the headlight vertically or horizontally. It relates to a light distribution variable headlight device and a control method according to the traveling direction.
일반적으로, 전조등은 야간에 자동차가 주행하는 경우 전방의 장애물을 확인하기 위한 조명등화기기로 자동차의 전방 양측에 대칭으로 부착되어 있다. 상기 전조등은 사용자의 조작에 따라 수동으로 온/오프되는 것이 일반적으로 만일 충돌이나 기타 경우 상기 전조등의 조향방향이 적절하지 못한 경우 수동으로 조절 가능하다. In general, the headlights are luminaires that are symmetrically attached to both sides of the front of the vehicle as a lighting device for checking obstacles in the front when the vehicle is driving at night. The headlight is manually turned on / off according to a user's operation. In general, if the headlight is not appropriate, the headlight can be manually adjusted.
최근에는 운전자가 직진운행 중 커브 길이나 교차로에서 회전을 꾀하는 경우 자동적으로 사용자의 회전 방향을 향하여 좌우 이동되는 전조등 장치가 사용된다. 상기와 같은 종래 전조등 장치는 도 1에 도시된 바와 같이, 차량의 핸들에 부착되어 핸들의 회전정도, 즉 조향각을 감지하는 조향각센서(1)와, 상기 조향각센서(1)를 통해 감지된 조향각만큼 전조등(4)을 구동시키는 스테핑모터(3)를 제어하는 스테핑모터 제어부(2)로 구성된다. Recently, when the driver tries to turn at a curve length or intersection while driving straight, a headlamp device that is automatically moved left and right toward the direction of rotation of the user is used. As shown in FIG. 1, the conventional headlamp apparatus is attached to a steering wheel of a vehicle and includes a steering angle sensor 1 that detects a rotational degree of the steering wheel, that is, a steering angle, and a steering angle detected by the steering angle sensor 1. And a stepping motor controller 2 for controlling the stepping motor 3 for driving the headlamp 4.
그러나, 상기한 바와 같이 조향각센서를 이용한 전조등장치의 경우 실제 사용자가 회전한 핸들의 조향각과 차량의 진행방향은 도로의 마찰 등으로 인해 차이가 발생하므로 실제 차량의 진행방향과 전조등의 조향방향이 일치하지 못한다는 문제점이 있다. However, in the case of the headlight device using the steering angle sensor as described above, the steering angle of the steering wheel rotated by the actual user and the driving direction of the vehicle are different due to the friction of the road, so that the actual driving direction and the steering direction of the headlight are the same. There is a problem that can not.
본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 그 목적은 차량의 회전각을 통해 차량의 진행방향을 검출하고 그에 따라 차량의 전조등을 구동시킴으로써 차량의 진행방향과 전조등의 조향방향을 일치시킬 수 있어 사용자에게 보다 넓은 시야를 제공할 수 있는 진행방향에 따른 배광 가변형 전조등 장치 및 그 제어방법을 제공하는데 있다. The present invention has been made to solve the above problems of the prior art, the object of which is to detect the traveling direction of the vehicle through the rotation angle of the vehicle and thereby driving the headlights of the vehicle according to the driving direction of the vehicle and the steering direction of the headlights To provide a light distribution variable headlight device according to the traveling direction that can be matched to provide a wider view to the user and a control method thereof.
상기한 과제를 해결하기 위한 본 발명에 의한 진행방향에 따른 배광 가변형 전조등 장치의 특징에 따르면, 전조등과, 차량 핸들에 장착되어 상기 핸들의 조향각을 측정하는 조향각센서와, 상기 차량의 중앙에 장착되어 상기 차량의 회전각을 측정하는 자이로센서와, 상기 조향각센서를 통해 측정된 조향각과 상기 자이로센서를 통해 측정된 회전각에 따라 차량 진행방향을 산출하는 진행방향 검출부와, 상기 진행방향 검출부에서 산출된 차량의 진행방항에 따라 조향방향이 조절되도록 상기 전조등을 구동시키는 스테핑모터와, 상기 조향각과 회전각에 따라 상기 스테핑모터를 제어함으로써 상기 전조등의 조향방향이 조절되도록 하는 스테핑모터 구동부를 포함하여 구성되며, 상기 조향각센서와 상기 진행방향 검출부 사이에 연결되어 상기 조향각센서를 통해 측정된 조향각과 조향 기어의 비(比)에 따라 상기 차량의 실제 조향각을 산출하고 상기 실제 조향각을 상기 진행방향 검출부로 출력하는 실제조향각 검출부를 더 포함하여 구성된다.According to a feature of the light distribution variable headlight device according to the traveling direction according to the present invention for solving the above problems, a headlight, a steering angle sensor mounted on the vehicle steering wheel to measure the steering angle of the steering wheel, and is mounted in the center of the vehicle A gyro sensor for measuring a rotation angle of the vehicle, a traveling direction detector for calculating a vehicle traveling direction according to a steering angle measured by the steering angle sensor and a rotation angle measured by the gyro sensor, and calculated by the traveling direction detector Stepping motor for driving the headlights to adjust the steering direction according to the progress of the vehicle, and stepping motor driving unit for controlling the steering direction of the headlights by controlling the stepping motor according to the steering angle and rotation angle The steering angle sensor is connected between the steering angle sensor and the traveling direction detection unit. Depending on the ratio (比) of the steering angle and the steering gear through the measurement further includes the actual steering angle detecting unit for calculating an actual steering angle of the vehicle, and outputs the actual steering angle to the travel direction detection section.
또한, 본 발명에 의한 진행방향에 따른 배광 가변형 전조등 장치의 제어방법의 특징에 따르면, 차량 핸들의 조향각과 차량의 회전각이 측정되는 제1 단계와, 상기 제1 단계에서 측정된 조향각과 회전각에 따라 차량 진행방향이 검출되는 제2 단계와;, 상기 제2 단계에서 검출된 차량 진행방향에 따라 차량의 전조등이 상하 또는 좌우로 조절되는 제3 단계를 포함하여 이루어지며, 상기 제2 단계는 상기 차량 핸들의 조향각과 조향 기어의 비에 따라 상기 차량의 실제조향각을 구하는 과정과, 상기 실제조향각과 상기 회전각에 따라 차량의 가진행방향을 구하는 과정과, 상기 가진행방향과 상기 조향 기어의 비에 따라 차량의 진행방향을 구하는 과정을 포함하여 이루어진다.In addition, according to a feature of the control method of the light distribution variable headlight device according to the traveling direction according to the present invention, the steering angle of the steering wheel and the rotation angle of the vehicle is measured, the steering angle and the rotation angle measured in the first step And a third step of detecting a heading direction of the vehicle, and a third step of adjusting the headlight of the vehicle up or down or left and right according to the heading direction detected in the second step. Obtaining an actual steering angle of the vehicle according to a steering angle of the steering wheel and a steering gear ratio of the vehicle steering wheel; and obtaining an excitation traveling direction of the vehicle according to the actual steering angle and the rotation angle; Including the process of obtaining the driving direction of the vehicle according to the rain.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 의한 진행방향에 따른 배광 가변형 전조등 장치는 도 2에 도시된 바와 같이, 차량 핸들에 장착되어 핸들 회전에 따라 그 조향각을 측정하는 조향각센서(11)와, 상기 차량의 중앙에 장착되어 상기 차량이 회전하는 경우 그 회전각을 측정하는 자이로센서(12)와, 상기 조향각센서(11) 및 자이로센서(12)를 통해 측정된 조향각과 회전각에 따라 차량의 진행방향을 검출하는 진행방향 검출부(20)와, 상기 진행방향 검출부(20)에서 검출된 진행방향에 따라 좌우 또는 상하로 이동하는 전조등(30)으로 구성된다. 여기서, 상기 조향각센서(11)는 차량 핸들의 회전정도인 조향각을 측정하는데 상기 핸들의 조향각은 결국 차량 전륜의 조향각이다. As shown in FIG. 2, a light distribution variable headlight device according to a traveling direction according to the present invention is mounted on a vehicle steering wheel and includes a steering angle sensor 11 measuring a steering angle according to the steering wheel rotation, and mounted at the center of the vehicle. When the vehicle is rotating, the gyro sensor 12 for measuring the rotation angle, the traveling direction detection unit for detecting the traveling direction of the vehicle according to the steering angle and the rotation angle measured by the steering angle sensor 11 and the gyro sensor 12 And a headlamp 30 which moves left and right or up and down according to the traveling direction detected by the traveling direction detection unit 20. Here, the steering angle sensor 11 measures the steering angle, which is the degree of rotation of the steering wheel, the steering angle of the steering wheel is the steering angle of the front wheel of the vehicle.
특히, 상기 전조등(30)은 스테핑모터(31)와 연결되며, 상기 스테핑모터(31)는 설정된 바에 따라 상기 전조등(30)의 리플렉터 등을 구동시키는데, 상기 스테핑모터(31)는 상기 진행방향 검출부(20)와 연결된 스테핑모터 구동부(32)를 통해 제어된다. In particular, the headlamp 30 is connected to the stepping motor 31, the stepping motor 31 drives the reflector of the headlamp 30 as set, the stepping motor 31 is the traveling direction detection unit It is controlled by the stepping motor driver 32 connected with the (20).
따라서, 상기 스테핑모터 구동부(32)는 상기 진행방향 검출부(20)를 통해 검출된 진행방향에 따라 상기 스테핑모터(31)의 영점 조절 등을 통해 상기 전조등(30)의 조향방향이 상기 차량의 진행방향과 동일한 방향을 향하도록 한다. Accordingly, the stepping motor driving unit 32 has a steering direction of the headlight 30 through the zero point adjustment of the stepping motor 31 according to the traveling direction detected by the traveling direction detecting unit 20. Orient in the same direction.
그 외에도, 본 발명에 따른 전조등 장치는 상기 조향각센서(11)와 진행방향 검출부(20) 사이에 연결되어 상기 조향각센서(11)를 통해 측정된 조향각과 조향 기어 비를 연산함으로써 실제조향각을 산출하는 실제조향각 검출부(15)를 더 포함하여 구성 가능하다. 즉, 실제조향각은 상기 조향각센서(11)를 통해 측정된 상기 차량 전륜의 조향각에 조향 기어 비를 곱한 값이다. In addition, the headlight device according to the present invention is connected between the steering angle sensor 11 and the traveling direction detection unit 20 to calculate the actual steering angle by calculating the steering angle and the steering gear ratio measured by the steering angle sensor 11. The actual steering angle detector 15 may be further included. That is, the actual steering angle is a value obtained by multiplying a steering gear ratio by a steering angle of the front wheel of the vehicle measured by the steering angle sensor 11.
상기 감출된 실제조향각과 차량의 회전각에 따라 상기 진행방향 검출부(20)는 차량의 진행방향을 검출하여 이를 관한 정보를 상기 스테핑모터 구동부(32)로 전송한다. 이 때, 상기 진행방향 검출부는 진행방향의 추정치인 가진행방향을 계산하고 이를 조향 기어 비와 곱함으로써 진행방향을 검출하게 된다. According to the detected actual steering angle and the rotation angle of the vehicle, the moving direction detecting unit 20 detects the moving direction of the vehicle and transmits information about the driving direction to the stepping motor driver 32. At this time, the traveling direction detecting unit detects the traveling direction by calculating the excitation traveling direction, which is an estimate of the traveling direction, and multiplying it by the steering gear ratio.
그 외에도, 필요에 따라 상기 스테핑모터 구동부(32)는 상기 차량에 장착된 차속센서나 좌우방향 지시기 또는 후진기어 지시기(13)에 따라 스테핑모터(32)를 제어함으로써 차량의 속도에 따라 혹은 회전 등에 따라 전조등의 위치가 자동적으로 제어 가능하도록 한다. In addition, if necessary, the stepping motor driver 32 controls the stepping motor 32 according to the vehicle speed sensor, the left-right direction indicator or the reverse gear indicator 13 mounted on the vehicle, according to the speed or rotation of the vehicle. Therefore, the position of the headlight is to be automatically controlled.
상기 진행방향 검출을 도 3을 참고로 보다 상세히 설명하면 다음과 같다. If the traveling direction is described in more detail with reference to Figure 3 as follows.
도 3은 차량의 동특성을 파악하기 위한 도로써 각 변수는 다음과 같다. 3 is a diagram for identifying the dynamic characteristics of the vehicle, each variable is as follows.
m : 차량의 질량m: mass of the vehicle
I : 차량중심에 작용하는 관성 모멘트I: moment of inertia acting on the center of the vehicle
l : 휠 베이스 (l = lf + lr)l: wheel base (l = l f + l r )
lf,lr : 전, 후 차축으로부터 중심까지의 수평거리l f , l r : horizontal distance from front to rear axle to center
Kf,Kr : 전, 후륜 타이어의 코너링 파워K f , K r : Cornering power of front and rear tires
: 전륜의 조향각 : Steering angle of the front wheel
: 차량 중심의 사이드 슬립 앵글 : Side Slip Angle of Vehicle Center
r : Yaw 비율(rate)r: Yaw rate
V : 차속V: vehicle speed
n : 조향기어 비n: steering gear ratio
: 실제조향각 : Actual steering angle
여기서, 상기 실제조향각()은 전륜의 조향각()에 조향기어 비(n)를 곱한 값이다. 상기, 실제조향각 검출부(15)는 상기 실제조향각()을 조향각센서를 통해 측정된 조향각()과 조향기어 비(n)를 통해 검출한다.Here, the actual steering angle ( ) Is the steering angle of the front wheel ( ) Is multiplied by the steering gear ratio (n). The actual steering angle detection unit 15 may include the actual steering angle ( ) Is measured by the steering angle sensor ) And the steering gear ratio (n).
또한, 상기 와 은 상기 차량의 전륜과 후륜에 작용하는 마찰력이며, 상기 차량은 그 실제조향각()에서 상기 만큼 감해져 방향으로 차속 V로 진행하게 된다. 상기 진행방향 검출부는 다음 제1,2 수식에 의한 차량운동 방정식에 기초하여 의 추정치인 가진행방향을 구한 후 가진행방향에 조향기어 비(n)를 곱함으로써 진행방향을 검출하고 이를 상기 스테핑모터 구동부(32)로 입력한다.Also, the Wow Is the friction force acting on the front and rear wheels of the vehicle, and the vehicle has its actual steering angle ( From above As much as In the direction of the vehicle speed V. The direction detecting unit based on the vehicle motion equation by the following first and second equation After the excitation traveling direction, which is an estimated value, is determined, the traveling direction is detected by multiplying the steering gear ratio n by the excitation traveling direction, and the driving direction is input to the stepping motor driver 32.
도 4는 본 발명에 따른 진행방향에 따른 배광 가변형 전조등 장치의 제어방법이 도시된 도이다. 4 is a diagram illustrating a control method of a light distribution variable headlight device according to a traveling direction according to the present invention.
먼저, 제1 단계에서 핸들에 장착된 조향각센서를 통해 조향각이 측정되고, 차량에 장착된 자이로센서를 통해 상기 차량의 회전각이 측정된다. (S1)First, the steering angle is measured by the steering angle sensor mounted on the steering wheel in the first step, and the rotation angle of the vehicle is measured by the gyro sensor mounted on the vehicle. (S1)
제2 단계에서 상기 실제조향각 검출부를 통해 차량의 실제조향각이 검출된다. (S2)In a second step, the actual steering angle of the vehicle is detected through the actual steering angle detector. (S2)
제3 단계에서 상기 진행방향 검출부는 상기 실제조향각을 통해 차량의 가진행방향이 검출된다. (S3)In a third step, the traveling direction detecting unit detects the driving direction of the vehicle through the actual steering angle. (S3)
제4 단계에서 상기 진행방향 검출부는 상기 가진행방향으로부터 차량 진행방향을 검출한다. (S4)In a fourth step, the traveling direction detecting unit detects the vehicle traveling direction from the excitation traveling direction. (S4)
제5 단계에서 상기 스테핑모터의 구동부는 상기 제4 단계에서 검출된 차량 진행방향에 따라 스테핑모터를 제어한다. (S5)In a fifth step, the driving unit of the stepping motor controls the stepping motor according to the vehicle traveling direction detected in the fourth step. (S5)
상기 제5 단계에서 영점 등이 조절된 스테핑모터는 제6 단계에서 전조등을 상하 또는 좌우로 조절한다. (S6)In the fifth step, the stepping motor whose zero point is adjusted is adjusted in the sixth step up or down or left and right. (S6)
상기와 같이 구성되는 본 발명의 진행방향에 따른 배광 가변형 전조등 장치 및 그 제어방법은 차량의 핸들이 조작됨에 따라 그 조향각을 측정하는 조향각센서와, 상기 차량의 하부에 장착되어 상기 차량의 회전각을 측정하는 자이로센서와, 상기 조향각센서 및 자이로센서에서 파악한 조향각과 회전각에 따라 차량의 진행방향을 검출하는 진행방향 검출부와, 상기 진행방향에서 검출된 진행방향에 따라 상하 또는 좌우로 조절되는 전조등으로 구성되어, 차량이 교차로나 커브길에서 회전 시 그에 따라 전조등이 적절히 조절되어 운전자의 시야를 확보할 수 있도록 하는 효과가 있다.The light distribution variable headlight device and the control method according to the traveling direction of the present invention configured as described above is a steering angle sensor for measuring the steering angle as the steering wheel of the vehicle is operated, and mounted on the lower portion of the vehicle to adjust the rotation angle of the vehicle With a gyro sensor to measure, the traveling direction detecting unit for detecting the traveling direction of the vehicle according to the steering angle and the rotation angle grasped by the steering angle sensor and the gyro sensor, and the headlight is adjusted up and down or left and right according to the traveling direction detected in the traveling direction When the vehicle rotates at the intersection or the curve, the headlamps are properly adjusted accordingly to secure the driver's view.
도 1은 일반적인 배광 가변형 전조등 장치의 구성이 도시된 도,1 is a view showing the configuration of a general light distribution variable headlight device;
도 2는 본 발명에 따른 진행방향에 따른 배광 가변형 전조등 장치의 구성이 도시된 도,2 is a view showing a configuration of a light distribution variable headlight device according to a traveling direction according to the present invention;
도 3은 본 발명에 따른 배광 가변형 전조등 장치가 장착된 차량의 동작상태가 도시된 도,3 is a view showing an operating state of a vehicle equipped with a light distribution variable headlight device according to the present invention;
도 4는 본 발명에 따른 배광 가변형 전조등 장치의 제어방법의 흐름이 도시된 도이다. Figure 4 is a flow diagram illustrating a control method of a light distribution variable headlight device according to the present invention.
<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>
11 : 조향각센서 12 : 자이로센서11: steering angle sensor 12: gyro sensor
15 : 실제조향각 검출부 20 : 진행방향 검출부15: actual steering angle detection unit 20: travel direction detection unit
30 : 전조등 31 : 스테핑모터30: headlight 31: stepping motor
32 : 스테핑모터 구동부32: stepping motor drive unit
Claims (7)
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| KR10-2002-0043175A KR100504656B1 (en) | 2002-07-23 | 2002-07-23 | Headlight Apparatus which the Radiation Direction is Auto Controllable by the Moving Direction and Controlling Method for the same |
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| KR10-2002-0043175A KR100504656B1 (en) | 2002-07-23 | 2002-07-23 | Headlight Apparatus which the Radiation Direction is Auto Controllable by the Moving Direction and Controlling Method for the same |
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| KR20200069035A (en) * | 2018-12-06 | 2020-06-16 | 현대자동차주식회사 | Headlamp controller, automobile lighting system including the same, and method of controlling a light irradiation angle of the headlamp |
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| KR101438814B1 (en) * | 2007-03-16 | 2014-09-17 | 엘지이노텍 주식회사 | Head lamp control apparatus and method |
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| JPH07228187A (en) * | 1994-02-21 | 1995-08-29 | Ichikoh Ind Ltd | Automatic illuminating direction control mechanism of headlight for automobile |
| JPH09315215A (en) * | 1996-06-03 | 1997-12-09 | Honda Motor Co Ltd | Headlight device for vehicle |
| JPH1159263A (en) * | 1997-08-05 | 1999-03-02 | Senei So | Illuminating angle control device of automobile headlight |
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| JPH07228187A (en) * | 1994-02-21 | 1995-08-29 | Ichikoh Ind Ltd | Automatic illuminating direction control mechanism of headlight for automobile |
| JPH09315215A (en) * | 1996-06-03 | 1997-12-09 | Honda Motor Co Ltd | Headlight device for vehicle |
| JPH1159263A (en) * | 1997-08-05 | 1999-03-02 | Senei So | Illuminating angle control device of automobile headlight |
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| KR20200069035A (en) * | 2018-12-06 | 2020-06-16 | 현대자동차주식회사 | Headlamp controller, automobile lighting system including the same, and method of controlling a light irradiation angle of the headlamp |
| KR102602226B1 (en) * | 2018-12-06 | 2023-11-14 | 현대자동차주식회사 | Headlamp controller, automobile lighting system including the same, and method of controlling a light irradiation angle of the headlamp |
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