CN102923046B - Automobile headlamp adjusting device with spherical pair structure - Google Patents

Automobile headlamp adjusting device with spherical pair structure Download PDF

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CN102923046B
CN102923046B CN201210438789.XA CN201210438789A CN102923046B CN 102923046 B CN102923046 B CN 102923046B CN 201210438789 A CN201210438789 A CN 201210438789A CN 102923046 B CN102923046 B CN 102923046B
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spherical shell
motor
shell
outer spherical
pitching
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CN102923046A (en
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张卫波
张雪煌
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Fuzhou University
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Fuzhou University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2200/00Special features or arrangements of vehicle headlamps
    • B60Q2200/30Special arrangements for adjusting headlamps, e.g. means for transmitting the movements for adjusting the lamps
    • B60Q2200/32Ball-joints

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  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

本发明涉及一种球面副结构汽车前照灯调节装置,包括设置于投影型前照灯灯罩内的支撑架,所述支撑架经左、右支撑板铰接有一外球壳,所述外球壳包覆有一内球壳以构成球面副,所述内球壳前侧设有投影型前照灯灯体,所述外球壳后侧设有驱动内球壳水平旋转的电机转动机构和驱动外球壳俯仰摆动的电机传动机构,所述电机转动机构是由电机驱动的齿轮齿条机构,所述外球壳俯仰摆动时带动内球壳同步俯仰摆动。本发明不仅能给车辆转弯时提供主动照明、适应车身不同姿态,自动调整前照灯光束的左右偏转角度、俯仰照射摆角,可以很好的满足实际路况的需求,从而可以提高不同路况、夜间行驶的安全性,降低驾驶员驾驶汽车的疲劳度,增强驾驶的安全性和舒适性。

The invention relates to an automobile headlight adjusting device with a spherical sub-structure, comprising a support frame arranged in a projection type headlight lamp shade, the support frame is hinged with an outer spherical shell through left and right support plates, and the outer spherical shell Covered with an inner spherical shell to form a spherical pair, the front side of the inner spherical shell is provided with a projection type headlight lamp body, and the rear side of the outer spherical shell is provided with a motor rotation mechanism to drive the inner spherical shell to rotate horizontally and to drive the outer The motor transmission mechanism for pitching and swinging the spherical shell, the motor rotating mechanism is a rack and pinion mechanism driven by a motor, and the outer spherical shell drives the inner spherical shell to pitch and swing synchronously when pitching and swinging. The present invention can not only provide active lighting for the vehicle when turning, adapt to different postures of the vehicle body, automatically adjust the left and right deflection angles of the headlight beams, and the pitching and swing angles, which can well meet the needs of actual road conditions, thereby improving the performance of different road conditions and nighttime lighting. Driving safety, reduce the fatigue of the driver driving the car, and enhance driving safety and comfort.

Description

球面副结构汽车前照灯调节装置Adjusting device for automobile headlights with spherical substructure

技术领域 technical field

本发明涉及一种球面副结构汽车前照灯调节装置。  The invention relates to an automobile headlamp adjusting device with a spherical substructure. the

背景技术 Background technique

自适应前照灯系统(AFS)作为当今世界最先进的汽车照明系统之一,主要是由投影型前照灯、前照灯调节装置和控制系统三大部分组成,它可以改善汽车夜间行驶时存在的视线不良问题,尤其是在S型弯道行驶时,效果更明显。自适应前照灯系统的灯光控制系统将预测前方道路状况从而提供转弯、十字路口、高速道路、城市路面、雨天等不同模式的照明光型,结合车辆本身装备的传感器,AFS的智能调光系统能自动调整光束照射的远近、照射区域的宽窄甚至亮度的强弱,减少会车时车辆产生炫目效果的可能性,扩大照射区域,从而极大地提高汽车的主动安全性。  As one of the most advanced automotive lighting systems in the world today, the Adaptive Front Lighting System (AFS) is mainly composed of three parts: projection headlights, headlight adjustment devices and control systems. The problem of poor vision, especially when driving in S-shaped curves, the effect is more obvious. The light control system of the adaptive front lighting system will predict the road conditions ahead to provide lighting patterns in different modes such as turning, intersections, expressways, urban roads, rainy days, etc., combined with the sensors equipped on the vehicle itself, the intelligent dimming system of AFS It can automatically adjust the distance of the light beam, the width of the irradiation area and even the intensity of the brightness, reduce the possibility of the dazzling effect of the vehicle when passing cars, and expand the irradiation area, thereby greatly improving the active safety of the car. the

公开日为2009年4月1日,申请号为CN 101396985A的中国发明专利申请文件公开了一种汽车前照灯调光系统的旋转执行装置,该装置只能实现前照灯的水平转动,无法实现其俯仰摆动,并且水平转动的控制精度很低,通过多级传动,误差容易累积,最后结果的偏差会很大。而且作为一种主动安全装置,实现效果无法精确控制的话,很可能成为一种不安全因素,容易造成交通事故。  The publication date is April 1, 2009, and the Chinese invention patent application document with the application number CN 101396985A discloses a rotary actuator for an automobile headlight dimming system. This device can only realize the horizontal rotation of the headlight and cannot Realize its pitch swing, and the control accuracy of horizontal rotation is very low, through multi-stage transmission, errors are easy to accumulate, and the deviation of the final result will be very large. Moreover, as an active safety device, if the effect cannot be precisely controlled, it may become an unsafe factor and easily cause traffic accidents. the

公开日为2010年5月26日,公开号为CN 101713513A的中国发明专利申请文件公开了一种汽车用适应型前照灯,只能实现前照灯的水平转动,无法实现其俯仰摆动。整个辅助灯通过旋转轴进行固定,支撑不够稳定。其通过控制反射镜来控制光束的投射方向,将使反射镜一直处在运动中,这无疑会对反射镜造成一定的破坏。控制过程稳定性较差,而且作为一种主动安全装置,稳定性不高将成为一种不安全因素,容易造成交通事故。  The publication date is May 26, 2010, and the publication number is CN 101713513A. The Chinese invention patent application document discloses a kind of adaptive headlight for automobiles, which can only realize the horizontal rotation of the headlight, but cannot realize its pitching and swinging. The entire auxiliary light is fixed by a rotating shaft, and the support is not stable enough. It controls the projection direction of the light beam by controlling the reflector, which will keep the reflector in motion, which will undoubtedly cause certain damage to the reflector. The stability of the control process is poor, and as an active safety device, the low stability will become an unsafe factor and easily cause traffic accidents. the

专利公开日为2006年12月19日,公开号为US 7150547 B2的美国专利申请文件公开了“Turn Signal And Steering Responsive Adjustable Lighting Apparatus For Vehicle”,该装置无法实现对左右旋转机构的精确控制;前照灯调节装置与投影型前照灯只是依靠一个轴线固定,相互之间接触面积较小,控制过程的稳定性较差,当车辆在颠簸的路面行驶时,AFS系统易产生抖动,使得前照灯摆角控制准确性差。  The patent publication date is December 19, 2006, and the U.S. patent application document with the publication number US 7150547 B2 discloses "Turn Signal And Steering Responsive Adjustable Lighting Apparatus For Vehicle", which cannot achieve precise control of the left and right rotation mechanism; The light adjustment device and the projection headlight are only fixed on one axis, the contact area between them is small, and the stability of the control process is poor. When the vehicle is driving on a bumpy road, the AFS system is prone to vibration, making the front light The control accuracy of lamp swing angle is poor. the

发明内容 Contents of the invention

本发明针对上述现有技术存在的问题作出改进,即本发明要解决的技术问题是提供一种能够水平转动、俯仰摆动且运动精确的球面副结构汽车前照灯调节装置,有利于车辆根据行车路况自动、精确、稳定地调整前照灯光束的左右偏转角和俯仰摆角,从而提高不同路况、夜间行驶的安全性,降低驾驶员驾驶汽车的疲劳度。  The present invention makes improvements to the problems existing in the above-mentioned prior art, that is, the technical problem to be solved by the present invention is to provide a spherical sub-structure automotive headlight adjustment device capable of horizontal rotation, pitch swing and precise movement, which is beneficial to the vehicle according to the driving Road conditions automatically, accurately and stably adjust the left and right deflection angles and pitch angles of the headlight beam, thereby improving the safety of driving in different road conditions and at night, and reducing the fatigue of the driver driving the car. the

为了解决上述技术问题,本发明的技术方案是:一种球面副结构汽车前照灯调节装置,包括设置于投影型前照灯灯罩内的支撑架,所述支撑架经左、右支撑板铰接有一外球壳,所述外球壳包覆有一内球壳以构成球面副,所述内球壳前侧设有投影型前照灯灯体,所述外球壳后侧设有驱动内球壳水平旋转的电机转动机构和驱动外球壳俯仰摆动的电机传动机构,所述电机转动机构是由电机驱动的齿轮齿条机构,所述外球壳俯仰摆动时带动内球壳同步俯仰摆动。  In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a spherical sub-structure automotive headlight adjustment device, including a support frame arranged in the projection type headlight lamp shade, and the support frame is hinged through the left and right support plates There is an outer spherical shell, the outer spherical shell is covered with an inner spherical shell to form a spherical pair, the front side of the inner spherical shell is provided with a projection type headlight lamp body, and the rear side of the outer spherical shell is provided with a driving inner ball The motor rotation mechanism for the horizontal rotation of the shell and the motor transmission mechanism for driving the pitch swing of the outer spherical shell. The motor rotation mechanism is a rack and pinion mechanism driven by a motor. When the outer spherical shell pitches and swings, it drives the inner spherical shell to pitch and swing synchronously. the

进一步的,所述电机转动机构包括水平转动步进电机、设置于电机输出轴的齿轮以及与齿轮相配合的扇形齿条,所述扇形齿条安装在内球壳后侧,所述外球壳后侧开设有显露出扇形齿条的通槽。  Further, the motor rotation mechanism includes a horizontally rotating stepping motor, a gear arranged on the output shaft of the motor, and a sector-shaped rack matched with the gear. The sector-shaped rack is installed on the rear side of the inner spherical shell, and the outer spherical shell The rear side is provided with a through slot exposing the fan-shaped rack. the

进一步的,所述通槽宽度与扇形齿条相等,所述通槽长度大于扇形齿条的弧长并与内球壳水平旋转角度相适应。  Further, the width of the through slot is equal to that of the sector rack, and the length of the through slot is greater than the arc length of the sector rack and adapted to the horizontal rotation angle of the inner spherical shell. the

进一步的,所述电机传动机构包括直线步进电机、由直线步进电机推动的球头推杆以及与球头推杆相配合的球座窝,所述球座窝设置于外球壳后侧上部或下部。  Further, the motor transmission mechanism includes a linear stepping motor, a ball push rod driven by the linear stepping motor, and a ball seat socket matched with the ball push rod, and the ball seat socket is arranged on the rear side of the outer spherical shell upper or lower. the

进一步的,所述外球壳由上半壳和下半壳螺接、扣合或焊接而成。  Further, the outer spherical shell is formed by screwing, fastening or welding the upper half shell and the lower half shell. the

与现有技术相比,本发明具有以下显著效果:(1)采用球面副结构,结构支撑方式稳定,内、外球壳的接触面积大,减少了零部件的数量,减轻了前照灯自身的重量,控制过程稳定性好,主动安全性高;(2)使用齿轮齿条结构,可以实现传感器信号的精确执行,使水平左右偏转角得到精确控制;(3)不仅能给车辆转弯时提供主动照明、适应车身不同姿态,自动调整前照灯光束的左右偏转角度、俯仰照射摆角,可以很好的满足实际路况的需求,从而可以提高不同路况、夜间行驶的安全性,降低驾驶员驾驶汽车的疲劳度,增强驾驶的安全性和舒适性。  Compared with the prior art, the present invention has the following remarkable effects: (1) The spherical sub-structure is adopted, the structural support method is stable, the contact area of the inner and outer spherical shells is large, the number of parts is reduced, and the headlight itself is lightened. The weight of the control process is good, and the active safety is high; (2) Using the rack and pinion structure, the precise execution of the sensor signal can be realized, so that the horizontal deflection angle can be accurately controlled; (3) Not only can the vehicle turn Active lighting, adapting to different postures of the vehicle body, automatically adjusting the left and right deflection angles of the headlight beams, and the pitching and swing angles, can well meet the needs of actual road conditions, thereby improving the safety of driving in different road conditions and at night, and reducing the risk of driving. Car fatigue, enhance driving safety and comfort. the

下面结合附图和具体实施方式对本发明作进一步详细的说明。  The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. the

附图说明 Description of drawings

图1 为本发明实施例的轴测示意图一。  Fig. 1 is an axonometric schematic diagram 1 of an embodiment of the present invention. the

图2 为本发明实施例的轴测示意图二。  Fig. 2 is the second isometric schematic diagram of the embodiment of the present invention. the

图3 为本发明实施例的轴测示意图三。  Fig. 3 is a third schematic diagram of an axonometric view of an embodiment of the present invention. the

图4 为本发明实施例的爆炸示意图。  Fig. 4 is the explosion schematic diagram of the embodiment of the present invention. the

图5 为电机转动机构的构造示意图。  Figure 5 is a schematic diagram of the structure of the motor rotation mechanism. the

图6 为本发明球形结构局部剖视图。  Fig. 6 is a partial sectional view of the spherical structure of the present invention. the

图7 为电机传动机构的构造示意图。  Figure 7 is a schematic diagram of the structure of the motor transmission mechanism. the

图中:00-右支撑板,01-左支撑板,02-灯体,03-下半壳,04-内球壳,05-水平转动步进电机,06-齿轮,07-扇形齿条,08-连接孔,09-支撑架,10、12-螺母,11-直线步进电机,13-球头推杆,14-球座窝,15-上半壳,16-螺钉,17-轴承,18、19、20-螺钉组。  In the figure: 00-right support plate, 01-left support plate, 02-lamp body, 03-lower half shell, 04-inner spherical shell, 05-horizontal rotation stepping motor, 06-gear, 07-segment rack, 08-connection hole, 09-support frame, 10, 12-nut, 11-linear stepper motor, 13-ball push rod, 14-ball seat socket, 15-upper half shell, 16-screw, 17-bearing, 18, 19, 20 - set of screws. the

具体实施方式 Detailed ways

如图1~图7所示,一种球面副结构汽车前照灯调节装置,包括设置于投影型前照灯灯罩内的支撑架09,所述投影型前照灯灯罩在汽车的车头左右两侧各安装一个,所述支撑架09下部左右两侧分别开设有一个用于连接车体的连接孔08,通过螺栓穿过连接孔08使得支撑架09与投影型前照灯灯罩相连接;所述支撑架09经左支撑板01和右支撑板00铰接有一外球壳,所述外球壳包覆有一内球壳04以构成球面副,所述内球壳04前侧经螺栓组18安装有投影型前照灯灯体02,所述外球壳后侧设有驱动内球壳04水平旋转的电机转动机构和驱动外球壳俯仰摆动的电机传动机构,所述电机转动机构是由电机驱动的齿轮齿条机构,所述外球壳俯仰摆动时带动内球壳04同步俯仰摆动。  As shown in Figures 1 to 7, an automobile headlight adjustment device with a spherical substructure includes a support frame 09 arranged in a projection-type headlight lampshade. One is installed on each side, and the left and right sides of the lower part of the support frame 09 are respectively provided with a connection hole 08 for connecting the vehicle body, and the support frame 09 is connected with the projection type headlight lamp cover through the bolts passing through the connection hole 08; The support frame 09 is hinged with an outer spherical shell through the left support plate 01 and the right support plate 00, and the outer spherical shell is covered with an inner spherical shell 04 to form a spherical pair, and the front side of the inner spherical shell 04 is installed through a bolt group 18 There is a projection type headlamp lamp body 02, and the rear side of the outer spherical shell is provided with a motor rotation mechanism for driving the inner spherical casing 04 to rotate horizontally and a motor transmission mechanism for driving the outer spherical casing to pitch and swing. Driven rack and pinion mechanism, when the outer spherical shell pitches and swings, it drives the inner spherical shell 04 to pitch and swing synchronously. the

在本实施例中,所述左支撑板01和右支撑板00分别经过螺母固定在支撑架09上且平行相对,所述左支撑板01和右支撑板00在远离支撑架09的一端相应位置上分别开设有相同的同轴孔,所述外球壳左右两侧分别延伸出通过轴承17与同轴孔相配合的销轴,保证外球壳自由进行俯仰摆动,所述同轴孔的轴线为投影型前照灯灯体02进行俯仰摆动的轴线,过上球壳和球壳球心且与扇形齿条07分度圆所在平面垂直的直线作为投影型前照灯灯体02进行水平转动的轴线,从而很好地实现了汽车前照灯的水平左右转动和俯仰摆动功能。所述外球壳是由上半壳15和下半壳03通过螺钉16或螺栓联接而成,故销轴是由上半壳15延伸出的半圆柱体和下半壳03延伸出的半圆柱体组成;当然所述外球壳的结构也可以是由左半壳和右半壳组成,其连接方式也不局限于螺接,还可以是焊接或卡扣式的扣合。  In this embodiment, the left support plate 01 and the right support plate 00 are respectively fixed on the support frame 09 through nuts and are parallel to each other. The same coaxial holes are respectively opened on the upper side, and the left and right sides of the outer spherical shell respectively extend out the pin shafts matched with the coaxial holes through the bearing 17, so as to ensure that the outer spherical shell can freely pitch and swing, and the axis of the coaxial hole It is the axis for pitching and swinging of the projection headlamp lamp body 02, and the straight line passing through the upper spherical shell and the center of the spherical shell and perpendicular to the plane where the sector rack 07 index circle is used as the projection type headlamp lamp body 02 for horizontal rotation The axis, so that the horizontal rotation and pitch swing functions of the car headlights are well realized. The outer spherical shell is formed by connecting the upper half shell 15 and the lower half shell 03 through screws 16 or bolts, so the pin shaft is a half cylinder extending from the upper half shell 15 and a half cylinder extending from the lower half shell 03 body; of course, the structure of the outer spherical shell can also be composed of a left half shell and a right half shell, and the connection method is not limited to screw connection, but can also be welding or snap-fit. the

在本实施例中,所述电机转动机构包括水平转动步进电机05、设置于电机输出轴的齿轮06以及与齿轮06相配合的扇形齿条07,所述水平转动步进电机05安装在下半壳03后侧的槽内并用螺钉组19固定,所述扇形齿条07通过螺钉组20安装在内球壳04后侧,所述扇形齿条07与内球壳04的接触面为球面,所述外球壳后侧在上半壳15和下半壳03的连接处开设有显露出扇形齿条07的通槽,所述通槽和扇形齿条07的配合限制了内球壳04和外球壳之间的转动自由度。所述通槽宽度与扇形齿条07相等,所述通槽长度大于扇形齿条07的弧长并与内球壳04水平旋转角度相适应,所示扇形齿条07分度圆所在平面与水平面平行,使得内球壳04和外球壳进行俯仰摆动时形成一体。  In this embodiment, the motor rotation mechanism includes a horizontally rotating stepper motor 05, a gear 06 arranged on the output shaft of the motor, and a sector rack 07 matched with the gear 06. The horizontally rotating stepper motor 05 is installed on the lower half The slot on the rear side of the shell 03 is fixed with a screw group 19. The sector rack 07 is installed on the rear side of the inner spherical shell 04 through a screw group 20. The contact surface between the sector rack 07 and the inner spherical shell 04 is a spherical surface, so The rear side of the outer spherical shell is provided with a through groove at the junction of the upper half shell 15 and the lower half shell 03 to reveal the sector rack 07, and the cooperation between the through groove and the sector rack 07 limits the inner spherical shell 04 and the outer shell 04. Rotational degrees of freedom between spherical shells. The width of the through slot is equal to that of the sector rack 07, the length of the through slot is greater than the arc length of the sector rack 07 and is compatible with the horizontal rotation angle of the inner spherical shell 04, the plane where the index circle of the sector rack 07 is located and the horizontal plane parallel, so that the inner spherical shell 04 and the outer spherical shell form an integral body when they pitch and swing. the

在本实施例中,所述电机传动机构包括直线步进电机11、由直线步进电机11推动的球头推杆13以及与球头推杆13相配合的球座窝14,所述直线步进电机11的输出轴设计成圆柱削边形状(图7中放大视图部分),从而使其卡在支撑架09的轴孔中,限制其多个自由度,在通过螺母12进行固定,从而将直线步进电机11安装在支撑架09上;所述球头推杆13经螺母10加接在直线步进电机11的输出轴上,其一端设计成球头形,所述球座窝14设置于外球壳后侧上部,所述球头形杆端与球座窝14形成高副;当然,所述球座窝14也可以设置于外球壳后侧下部。  In this embodiment, the motor transmission mechanism includes a linear stepping motor 11, a ball push rod 13 driven by the linear stepping motor 11, and a ball seat socket 14 matched with the ball push rod 13. The output shaft of the feeder motor 11 is designed as a cylindrical chamfered shape (enlarged view in Figure 7), so that it is stuck in the shaft hole of the support frame 09, limiting its multiple degrees of freedom, and then fixed by the nut 12, so that the The linear stepper motor 11 is installed on the support frame 09; the ball head push rod 13 is added on the output shaft of the linear stepper motor 11 through the nut 10, and one end thereof is designed into a ball head shape, and the ball seat socket 14 is provided with On the upper rear side of the outer spherical shell, the ball head-shaped rod end forms a high pair with the ball seat socket 14; of course, the ball seat socket 14 can also be arranged on the lower rear side of the outer spherical shell. the

在本实施例中,该球面副结构汽车前照灯调节装置通过支撑架09下部的连接孔08和螺栓与车体实现联接,所述车体上设有方向盘转角传感器,所述方向盘转角传感器信号经智能控制器控制电机转动机构工作;所述车体上设有车身高度传感器、速度传感器,所述传感器信号经智能控制器控制电机传动机构工作。  In this embodiment, the adjusting device for automobile headlights with a spherical substructure is connected to the vehicle body through the connection hole 08 and the bolt at the bottom of the support frame 09. The vehicle body is provided with a steering wheel angle sensor, and the signal of the steering wheel angle sensor is The motor rotation mechanism is controlled by an intelligent controller; the car body is provided with a vehicle body height sensor and a speed sensor, and the sensor signals are controlled by the intelligent controller to control the operation of the motor transmission mechanism. the

俯仰转向调整:当车身姿态发生变化而引起前照灯的光束与地面的夹角产生变化,安装在车身上的车身高度传感器检测到车身高度的变化值并传给控制器,控制器计算得到投影型前照灯灯体02俯仰转向的角度,并产生相应的信号控制直线步进电机11输出轴伸长或收缩,使得支撑机构带动投影型前照灯灯体02绕着俯仰摆动轴线转动。  Pitch steering adjustment: When the posture of the vehicle body changes, the angle between the beam of the headlight and the ground changes. The vehicle height sensor installed on the vehicle body detects the change value of the vehicle body height and transmits it to the controller. The controller calculates the projection The projection type headlamp lamp body 02 pitches and turns, and generates corresponding signals to control the output shaft of the linear stepper motor 11 to extend or shrink, so that the support mechanism drives the projection type headlamp lamp body 02 to rotate around the pitch swing axis. the

左右转向调整:当车辆转弯时,各传感器得到转向角度、转弯半径、车速等信号,这些信息被传给控制器,由控制器计算得到投影型前照灯灯体02左右转向的角度,并产生相应的信号控制水平转动步进电机05转动,带动扇形齿条07转动,从而带动投影型前照灯灯体02绕着水平转动轴线转动。  Left and right steering adjustment: When the vehicle is turning, each sensor gets signals such as steering angle, turning radius, vehicle speed, etc., and these information are transmitted to the controller, which calculates the angle of left and right steering of the projection headlamp lamp body 02, and generates The corresponding signal controls the rotation of the horizontal rotation stepper motor 05, which drives the fan-shaped rack 07 to rotate, thereby driving the projection type headlamp lamp body 02 to rotate around the horizontal rotation axis. the

采用本发明这样的结构,当车辆的运动状态改变时,如:转弯、加减速、上下坡、高低速行驶、后座有乘客乘坐时,前照灯的照明效果发生相应变化。利用本发明结构实现车辆在动态运动过程中,自适应前照灯系统能够根据不同的运动状态,自动、精确、稳定地调整投影型前照灯的照射角度,使其在俯仰方向上维持在一定的照射范围。当车辆转向时,根据车速传感器,方向盘转角传感器等传感器传给控制器的信号,控制器计算得出投影型前照灯左右转向角度,并驱动本发明的机构实现转向,从而为车辆的转弯提供清楚明亮的道路照明环境,提高驾车主动安全性。  With the structure of the present invention, when the motion state of the vehicle changes, such as when turning, accelerating and decelerating, going up and down slopes, driving at high and low speeds, and when there are passengers in the rear seat, the lighting effects of the headlights will change accordingly. Utilizing the structure of the present invention to realize that during the dynamic motion of the vehicle, the adaptive headlight system can automatically, accurately and stably adjust the irradiation angle of the projection headlight according to different motion states, so that it can maintain a certain angle in the pitch direction. range of exposure. When the vehicle turns, according to the signals sent to the controller by the vehicle speed sensor, the steering wheel angle sensor and other sensors, the controller calculates the left and right steering angles of the projection headlights, and drives the mechanism of the present invention to realize the steering, thereby providing the turning angle of the vehicle. Clear and bright road lighting environment improves active driving safety. the

以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所做的均等变化与修饰,皆应属本发明的涵盖范围。  The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention. the

Claims (6)

1. a spherical pair structure automobile headlight regulating device, comprise the bracing frame being arranged in projector headlight lampshade, it is characterized in that: support frame as described above is through a left side, right support plate is hinged with an outer spherical shell, described outer spherical shell is coated with an interior spherical shell to form spherical pair, described interior spherical shell front side is provided with projector headlight lamp body, the motor rotating mechanism that in described outer spherical shell rear side is provided with and drives, spherical shell horizontally rotates and the motor transmission mechanism that drives outer spherical shell pitching, described motor rotating mechanism is by motor-driven pinion and rack, the synchronous pitching of spherical shell in driving during described outer spherical shell pitching.
2. spherical pair structure automobile headlight regulating device according to claim 1, it is characterized in that: described motor rotating mechanism comprises the gear that horizontally rotates stepping motor, is arranged at motor output shaft and the sector rack matching with gear, described sector rack is arranged on interior spherical shell rear side, and described outer spherical shell rear side offers the groove that manifests sector rack.
3. spherical pair structure automobile headlight regulating device according to claim 2, is characterized in that: described groove width equates with sector rack, and described groove length is greater than the arc length of sector rack and adapts with interior spherical shell feathering angle degree.
4. spherical pair structure automobile headlight regulating device according to claim 1, it is characterized in that: described motor transmission mechanism comprises linear stepping motor, the bulb push rod being promoted by linear stepping motor and the ball seat nest matching with bulb push rod, and described ball seat nest is arranged at outer spherical shell rear side top or bottom.
5. spherical pair structure automobile headlight regulating device according to claim 1, is characterized in that: described outer spherical shell is spirally connected, fastens or be welded by upper half shell and lower half shell.
6. spherical pair structure automobile headlight regulating device according to claim 1, is characterized in that: support frame as described above bottom offers the connecting bore for connection body.
CN201210438789.XA 2012-11-07 2012-11-07 Automobile headlamp adjusting device with spherical pair structure Expired - Fee Related CN102923046B (en)

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