KR100412450B1 - Head lamp of vehicle - Google Patents

Head lamp of vehicle Download PDF

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Publication number
KR100412450B1
KR100412450B1 KR1019970030606A KR19970030606A KR100412450B1 KR 100412450 B1 KR100412450 B1 KR 100412450B1 KR 1019970030606 A KR1019970030606 A KR 1019970030606A KR 19970030606 A KR19970030606 A KR 19970030606A KR 100412450 B1 KR100412450 B1 KR 100412450B1
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KR
South Korea
Prior art keywords
reflector
bulb
actuator
vehicle
headlamp
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KR1019970030606A
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Korean (ko)
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KR19990008578A (en
Inventor
조우근
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현대자동차주식회사
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Priority to KR1019970030606A priority Critical patent/KR100412450B1/en
Publication of KR19990008578A publication Critical patent/KR19990008578A/en
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Publication of KR100412450B1 publication Critical patent/KR100412450B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • 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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Abstract

PURPOSE: A head lamp for a vehicle is provided to obtain the visual field for driving, and to improve travel stability during high speed traveling or turning by adjusting the irradiation angle of the head lamp up and down or right and left according to the vehicle speed or the steering angle of the steering wheel. CONSTITUTION: A head lamp is composed of a bulb(10) emitting light; a reflector(11) arranged around the bulb; a lens(12) placed in the front of the head lamp; and a housing(13) surrounding the bulb, the reflector and the lens. The reflector is divided into upper, lower, left and right sides, and a couple of actuators(15) with solenoids(14) are installed at both sides of the reflector to adjust the irradiation angle by moving the reflector. The actuator is operated by receiving power with a controller, and composed of a piston(17) moving back and forth according to reaction force of a spring(16), the solenoid having a rod moving back and forth in supplying power, and a case(19) fixed to the housing by a connector(18).

Description

자동차의 헤드램프Headlamps of cars

본 발명은 자동차의 헤드램프에 관한 것으로서, 특히 차량의 속도나 스티어링휠의 조향각도에 따라 램프의 조사방향이 변할 수 있게 함으로써, 고속 주행시나 차량 선회시의 주행안정성을 도모할 수 있게 한 자동차의 헤드램프에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headlamp of an automobile. In particular, the irradiation direction of the lamp can be changed according to the speed of the vehicle or the steering angle of the steering wheel, so that the driving stability can be achieved at high speeds or when turning the vehicle. Relates to a headlamp.

일반적으로 자동차의 헤드램프는 하이빔/로우빔 기능을 통해 조사방향을 상향 또는 하향으로 바꿀 수 있도록 되어 있으며, 이러한 기능을 이용하여 평상시에 비해 운전시야가 좁아지게 되는 고속 주행시나 야간 주행시 보다 넓은 운전시야를 확보할 수 있게 된다.In general, the headlamp of a vehicle is capable of changing the irradiation direction upward or downward through the high beam / low beam function, and by using such a function, a wider driving field is required at high speeds or at night when the driving field becomes narrower than usual. Can be secured.

그러나, 차량의 통행이 많은 도로에서는 하이빔/로우빔 조작을 빈번하게 해야 하는 불편함이 있었으며, 차량 선회시에는 이러한 기능이 운전시야를 확보하는데 별 도움이 되지 못하는 단점이 있었다.However, there is an inconvenience in that the high-beam / low-beam operation is frequently performed on the road with a lot of traffic of the vehicle, and such a function does not help to secure the driving field at the time of turning the vehicle.

따라서, 본 발명은 이와 같은 점을 감안하여 안출한 것으로서, 차량의 속도나 스티어링휠의 조향각도에 따라 조사방향을 상하 또는 좌우로 가변시킬 수 있는 수단을 제공함으로써, 고속 주행시나 차량 선회시 충분한 운전시야를 확보하여 주행안정성을 도모할 수 있게 하는데 그 안출의 목적이 있는 것이다.Accordingly, the present invention has been made in view of the above, and by providing a means for varying the irradiation direction up and down or left and right according to the speed of the vehicle or the steering angle of the steering wheel, sufficient driving during high-speed driving or vehicle turning The purpose of the stabilization is to ensure visibility and to achieve driving stability.

도 1은 본 발명에 따른 헤드램프의 구조를 나타내는 단면도,1 is a cross-sectional view showing the structure of a head lamp according to the present invention;

도 2는 본 발명에 따른 헤드램프의 작동신호체계를 나타내는 개략도.Figure 2 is a schematic diagram showing the operation signal system of the headlamp according to the present invention.

＜도면의 주요 부분에 대한 부호의 설명＞<Description of the code | symbol about the principal part of drawing>

10: 벌브 11: 반사판10: bulb 11: reflector

12: 렌즈 13: 하우징12: lens 13: housing

14: 솔레노이드 15: 액추에이터14: solenoid 15: actuator

16: 스프링 17: 피스톤16: spring 17: piston

18: 연결구 19: 케이스18: connector 19: case

20: 완충공간20: buffer space

이하, 첨부도면을 참조하여 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

본 발명은 발광수단인 벌브(10)와, 벌브(10)의 주위에 배치되는 반사판(11)과, 전면의 렌즈(12)와, 이것들을 감싸고 있는 하우징(13)을 포함하는 자동차의 헤드램프에 있어서, 상기 반사판(11)은 각각 구분된 상하 및 좌우의 4개로 이루어지고, 각 반사판(11)의 양단에는 솔레노이드(14)를 내장한 한쌍의 액추에이터(15)가 설치되어 이것의 작동에 따라 반사판(11)이 움직이면서 조사각도를 가변시킬 수 있도록 된 구조로 이루어진 것을 특징으로 한다.The present invention provides a headlamp of an automobile including a bulb 10 serving as a light emitting means, a reflecting plate 11 disposed around the bulb 10, a lens 12 on the front surface, and a housing 13 enclosing the bulb 12. In the above, the reflecting plate 11 is made up of four divided up, down, left and right, respectively, and a pair of actuators (15) incorporating a solenoid (14) is installed at both ends of each reflecting plate (11) according to its operation It is characterized in that the reflector plate 11 is made of a structure that can change the irradiation angle while moving.

특히, 상기 액추에이터(15)는 차속센서 및 스티어링휠 조향각센서의 신호를 입력신호로 하는 컨트롤러에 의해 전원을 공급받아 작동되는 구조로 이루어진 것을 특징으로 한다.In particular, the actuator 15 is characterized in that it is made of a structure that is operated by the power supplied by the controller using the signals of the vehicle speed sensor and the steering wheel steering angle sensor as an input signal.

또한, 상기 액추에이터(15)는 스프링(16)의 반력을 받으면서 전후 이동가능한 피스톤(17)과, 전원공급과 동시에 전후 운동가능한 로드를 갖는 솔레노이드(14)와, 이것들을 포함하면서 후단의 연결구(18)를 이용하여 하우징(13) 상에 고정되는 케이스(19)로 구성된 것을 특징으로 한다.In addition, the actuator 15 includes a piston 17 which is movable back and forth under the reaction force of the spring 16, a solenoid 14 having a rod movable back and forth simultaneously with power supply, and a rear end connector 18 including these. It is characterized by consisting of a case 19 is fixed on the housing 13 by using a).

또한, 상기 피스톤(17)과 솔레노이드(14) 사이에는 밀폐된 공간부로 이루어진 완충공간(20)이 갖추어져 있는 것을 특징으로 한다.In addition, between the piston 17 and the solenoid 14 is characterized in that the buffer space 20 consisting of a closed space portion is provided.

이를 좀더 상세히 설명하면 다음과 같다.This will be described in more detail as follows.

첨부한 도 1은 본 발명에 따른 헤드램프의 구조를 나타내는 단면도이다.1 is a cross-sectional view showing the structure of a head lamp according to the present invention.

본 발명의 헤드램프는 빛을 발하는 수단인 벌브(10)와, 상기 벌브(10)의 주위를 둘러싸도록 배치되면서 벌브(10)에서 발한 빛을 전방으로 반사시켜 주는 수단인 반사판(11)과, 상기 벌브(10)와 반사판(11)을 감싸고 있는 하우징(13)과, 상기 하우징(13)의 전면을 마감하면서 반사판(11)으로부터 빛을 받아 넓게 확산시켜 주는 수단인 렌즈(12)로 이루어져 있다.The headlamp of the present invention includes a bulb 10 which emits light, a reflecting plate 11 which is disposed to surround the bulb 10 and reflects light emitted from the bulb 10 in front, and It consists of a housing 13 surrounding the bulb 10 and the reflecting plate 11, and a lens 12, which is a means for receiving light from the reflecting plate 11 and spreading it widely while closing the entire surface of the housing 13. .

특히, 상기 반사판(11)은 소정의 면적을 갖는 4개의 사각판으로 구성되어 있으며, 각각의 판은 벌브(10)를 가운데 두고 상부와 하부, 좌측과 우측에 각각 배치되어 벌브(10)에서 사방으로 발하는 빛을 전량 전방으로 반사시켜 줄 수 있도록 되어 있다.In particular, the reflecting plate 11 is composed of four rectangular plates having a predetermined area, each plate is disposed on the top and bottom, left and right with the bulb 10 in the center, respectively, in the bulb 10 All the light emitted by the light reflects forward.

이러한 반사판(11)의 후면 안쪽끝단부와 바깥쪽끝단부에는 전원을 공급받아 작동되는 액추에이터(15)가 각각 연결되고, 이때의 액추에이터(15)는 하우징(13) 상에 관통 고정되므로서, 반사판(11)이 액추에이터(15)를 통해 지지될 수 있게 된다.An actuator 15, which is operated by being supplied with power, is connected to an inner end portion and an outer end portion of the rear side of the reflector plate 11, and the actuator 15 at this time is fixed through the housing 13, thereby reflecting the plate. 11 can be supported through the actuator 15.

여기서, 상기 액추에이터(15)는 전후 직선운동을 하면서 반사판(11)의 후면에 직접 연결되는 피스톤(17)과, 이 피스톤(17)을 항상 뒷쪽으로 밀어내어 원래의 위치로 복원시켜주는 스프링(16)과, 전원을 공급받으면 로드를 전진시켜 상기 피스톤(17)을 운동시켜주는 솔레노이드(14)와, 이것들을 포함하고 있는 케이스(19)로 구성되어 있으며, 케이스(19)의 후단에 일체로 형성되어 있는 연결구(18) 즉, 보울트를 이용하여 하우징(13)의 후벽면을 관통하면서 체결고정된다.Here, the actuator 15 is a piston 17 which is directly connected to the rear of the reflector plate 11 while moving back and forth linearly, and a spring 16 which always pushes the piston 17 backward and restores it to its original position. ), A solenoid 14 that moves the piston 17 by moving the rod when the power is supplied, and a case 19 including these, which are integrally formed at the rear end of the case 19. Fastening is fixed while penetrating the rear wall surface of the housing 13 by using the connector 18, ie, the bolt.

이러한 상기 액추에이터(15)는 차속센서나 스티어링휠 조향각센서로부터 입력되는 신호를 가지고 제어신호를 출력하는 컨트롤러에 의해 작동되도록 되어 있다.The actuator 15 is operated by a controller that outputs a control signal with a signal input from a vehicle speed sensor or a steering wheel steering angle sensor.

특히, 상기 액추에이터(15)의 내부에는 피스톤(17)의 뒷쪽과 솔레노이드(14)의 앞쪽 사이에 일정구간의 완충공간(20)이 형성되어 있으며, 이때의 완충공간(20)은 일종의 밀폐된 공기실을 의미하며 액추에이터(15)에 의해 반사판(11)의 어느 한쪽이 앞쪽으로 밀려나가게 되면 상대적으로 뒷쪽으로 밀려들어오게 되는 다른 한쪽의 유동거리를 흡수함으로써, 반사판(11)이 움직일 때 생기는 간섭을 수용해 주는 역할을 하게 된다.In particular, the interior of the actuator 15 is a buffer space 20 is formed between the rear of the piston 17 and the front of the solenoid 14, the buffer space 20 is a kind of sealed air When one of the reflecting plates 11 is pushed forward by the actuator 15, it means a seal absorbing the flow distance of the other which is pushed back to the rear, thereby preventing the interference generated when the reflecting plate 11 is moved. It will play a role of acceptance.

따라서, 이와 같이 구성된 본 고안의 헤드램프에 대한 작용효과를 살펴보면 다음과 같다.Therefore, looking at the effect on the headlamp of the present invention configured as described above are as follows.

먼저, 고속 주행시 차속센서에 의한 신호가 컨트롤러에 입력되면, 이때의 컨트롤러에서는 입력속도와 설정속도를 비교하여 입력속도가 설정속도 예를 들면, 80KM/H를 넘게 되면, 상하부 반사판에 설치되어 있는 4개의 액추에이터 중에서 각 반사판의 안쪽에 있는 2개의 액추에이터로 전원을 공급하게 되고, 액추에이터의 작동에 따라 솔레노이드 및 피스톤이 전진되면서 상하부 각 반사판의 안쪽 끝단부를 밀어주게 되므로서, 도면에서 이점쇄선으로 도시한 바와 같이 반사판의 경사각이 커지게 된다.First, when a signal from the vehicle speed sensor is input to the controller during high-speed driving, the controller compares the input speed and the set speed at this time, and when the input speed exceeds the set speed, for example, 80 KM / H, 4 mounted on the upper and lower reflectors. Of the two actuators, power is supplied to the two actuators on the inside of each reflector, and as the solenoid and the piston advance according to the operation of the actuator, they push the inner ends of each of the upper and lower reflectors. Likewise, the inclination angle of the reflector increases.

이렇게 반사판의 경사각이 커지게 되면, 램프의 조사방향이 윗쪽을 향하면서 보다 넓은 범위를 조사할 수 있게 되므로 운전자의 운전시야를 넓힐 수 있게 된다.As the angle of inclination of the reflector increases, the irradiation direction of the lamp can be irradiated to a wider range while the driver's driving field of view can be widened.

이때, 차량의 속도가 떨어지게 되면, 컨트롤러에 의해 액추에이터로 공급되는 전원이 차단될 수 있게 되고, 이와 동시에 스프링의 복원력을 받은 반사판이 원래의 경사각을 찾을 수 있게 되므로서, 램프의 조사방향을 정상적으로 유지할 수 있게 된다.At this time, when the speed of the vehicle decreases, the power supplied to the actuator by the controller can be cut off, and at the same time, the reflecting plate subjected to the spring restoring force can find the original inclination angle, thereby maintaining the lamp irradiation direction normally. It becomes possible.

또한, 차량 선회시 스티어링휠 조향각센서에 의한 신호가 컨트롤러에 입력되면, 이때의 컨트롤러에서는 상술한바와 마찬가지의 제어과정을 통해 좌우측 반사판에 설치되어 있는 4개의 액추에이터 중에서 우측으로 선회하는 경우에는 좌측 반사판의 바깥쪽 액추에이터와 우측 반사판의 안쪽 액추에어터로 전원을 공급하게 되고(좌측으로 선회하는 경우에는 이와 반대의 액추에이터로 전원을 공급하게 된다.), 액추에이터의 작동에 따라 솔레노이드 및 피스톤이 전진되면서 좌우측 각 반사판의 안쪽 끝단부와 바깥쪽 끝단부를 밀어주게 됨과 동시에 차량이 진행되는 쪽으로 램프의 조사방향이 따라갈 수 있게 되므로서, 운전자가 운전시야가 보다 넓게 확보할 수 있게 된다.In addition, if a signal from the steering wheel steering angle sensor is input to the controller while turning the vehicle, the controller at this time rotates to the right of the four actuators installed on the left and right reflectors through the same control process as described above. Power is supplied to the outer actuator and the inner actuator of the right reflector (when turning to the left, power is supplied to the opposite actuator), and the solenoid and piston move forward as the actuator is operated. By pushing the inner end and the outer end of the reflector and at the same time the direction of irradiation of the lamp can follow the vehicle proceeds, the driver can secure a wider field of view.

이상에서와 같이 본 발명은 고속 주행시나 차량 선회시 운전자가 충분한 운전시야를 확보할 수 있도록 램프의 조사방향을 조절할 수 있게 함으로써, 차량의 주행안정성을 높일 수 있는 장점이 있는 것이다.As described above, the present invention has an advantage of improving driving stability of the vehicle by allowing the driver to adjust the irradiation direction of the lamp so that the driver can secure a sufficient driving field during high-speed driving or turning the vehicle.

Claims (4)

발광수단인 벌브(10)와, 벌브(10)의 주위에 배치되는 반사판(11)과, 전면의 렌즈(12)와, 이것들을 감싸고 있는 하우징(13)을 포함하는 자동차의 헤드램프에 있어서,In the headlamp of an automobile comprising a bulb 10 serving as a light emitting means, a reflecting plate 11 arranged around the bulb 10, a lens 12 on the front surface, and a housing 13 surrounding them, 상기 반사판(11)은 각각 구분된 상하 및 좌우의 4개로 이루어지고, 각 반사판(11)의 양단에는 솔레노이드(14)를 내장한 한쌍의 액추에이터(15)가 설치되어 이것의 작동에 따라 반사판(11)이 움직이면서 조사각도를 가변시킬 수 있도록 된 구조로 이루어진 것을 특징으로 하는 자동차의 헤드램프.The reflecting plate 11 is composed of four upper, lower, left, and right sides, respectively, and a pair of actuators 15 having solenoids 14 are installed at both ends of each reflecting plate 11 to reflect the reflecting plate 11 according to the operation thereof. The headlamp of the automobile, characterized in that the structure is made to be able to change the irradiation angle while moving. 제 1 항에 있어서, 상기 액추에이터(15)는 차속센서 및 스티어링휠 조향각센서의 신호를 입력신호로 하는 컨트롤러에 의해 전원을 공급받아 작동되는 구조로 이루어진 것을 특징으로 하는 자동차의 헤드램프.The headlamp of claim 1, wherein the actuator is configured to be powered by a controller that uses signals from a vehicle speed sensor and a steering wheel steering angle sensor as input signals. 제 1 항에 있어서, 상기 액추에이터(15)는 스프링(16)의 반력을 받으면서 전후 이동가능한 피스톤(17)과, 전원공급과 동시에 전후 운동가능한 로드를 갖는 솔레노이드(14)와, 이것들을 포함하면서 후단의 연결구(18)를 이용하여 하우징(13) 상에 고정되는 케이스(19)로 구성된 것을 특징으로 하는 자동차의 헤드램프.2. The actuator (1) according to claim 1, wherein the actuator (15) includes a piston (17) which is movable back and forth under the reaction of the spring (16), a solenoid (14) having a rod movable back and forth simultaneously with power supply, and a rear end including these. Headlamp of the vehicle, characterized in that consisting of a case (19) fixed on the housing (13) by using the connector (18). 제 3 항에 있어서, 상기 피스톤(17)과 솔레노이드(14) 사이에는 밀폐된 공간부로 이루어진 완충공간(20)이 갖추어져 있는 것을 특징으로 하는 자동차의 헤드램프.4. The headlamp of an automobile according to claim 3, wherein a buffer space (20) consisting of a closed space is provided between the piston (17) and the solenoid (14).
KR1019970030606A 1997-07-02 1997-07-02 Head lamp of vehicle KR100412450B1 (en)

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