WO2019085254A1 - 车灯调节控制系统及控制方法、汽车 - Google Patents

车灯调节控制系统及控制方法、汽车 Download PDF

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Publication number
WO2019085254A1
WO2019085254A1 PCT/CN2018/071427 CN2018071427W WO2019085254A1 WO 2019085254 A1 WO2019085254 A1 WO 2019085254A1 CN 2018071427 W CN2018071427 W CN 2018071427W WO 2019085254 A1 WO2019085254 A1 WO 2019085254A1
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Prior art keywords
control system
vehicle
unit
adjustment control
information
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PCT/CN2018/071427
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English (en)
French (fr)
Inventor
闵岚
刘其阳
李屹
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深圳市绎立锐光科技开发有限公司
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Publication of WO2019085254A1 publication Critical patent/WO2019085254A1/zh

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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

Definitions

  • the invention belongs to the technical field of vehicle lights, and particularly relates to a vehicle lamp adjustment control system, a control method and an automobile.
  • the existing lamp system whether it is an AFS curve auxiliary illumination system or an automatic no light ADB headlight, passively receives detection signals such as a detection radar and an infrared detector to obtain environmental information, thereby projecting a beam according to the detection result of the detection device. .
  • this mode is less intelligent, and it is impossible to actively and predictably control the area and light intensity of the projection headlight of the automobile headlight, especially the existing automobile headlights. There is a lack of corresponding beam projection in combination with autonomous driving techniques.
  • the present invention provides a vehicle lamp adjustment control system, a control method, and a vehicle with high intelligence, good safety and reliability.
  • a vehicle lamp adjustment control system including:
  • a lamp unit for projecting a beam of light according to control requirements
  • a detecting unit for detecting and acquiring environmental information around the detecting unit
  • An information processor unit configured to analyze the environmental information, generate a control signal according to a preset control rule, drive the lamp unit to project a light beam by the control signal, and control an orientation of the light beam projected by the lamp unit And light.
  • the lamp unit comprises a plurality of LED light sources or LD light sources, and each of the LED light sources or LD light sources is individually controlled to drive.
  • the detecting unit comprises a sensor connected to the information processor unit for detecting the environmental information.
  • the sensor comprises the radar sensor and an infrared sensor.
  • the radar sensor is a millimeter wave radar or a laser radar.
  • the environmental information includes environmental objects located around the vehicle lamp adjustment control system and their relative positions and relative speeds.
  • the information processor unit includes a positioning navigation module and a processor
  • the navigation module is configured to acquire an absolute position of the system of the vehicle lamp adjustment control system on a map built in the navigation module
  • the processor is configured according to Obtaining, according to the preset position, the dynamic position information of the environmental object on the map, the absolute position of the system, the relative position of the environmental object, and the relative speed, and generating the control signal.
  • the invention also provides a control method of a vehicle lamp adjustment control system, the lamp adjustment control system comprising a lamp unit, a detection unit and an information processor unit; the control method comprises the following steps:
  • Step S1 acquiring environmental information around the detection unit by using the detecting unit;
  • Step S2 The environment information is analyzed by the information processing unit, and a control signal is generated according to a preset control rule, and then sent to the vehicle light unit;
  • Step S3 the lamp unit receives the control signal and projects a light beam according to the control signal.
  • the environmental information includes an environmental object located around the vehicle lamp adjustment control system and their relative positions and relative speeds.
  • the environmental object comprises a preceding vehicle of a co-directional road, an incoming vehicle of a reverse road, a pedestrian, a traffic sign, and an obstacle.
  • the detecting unit comprises a sensor by which the environmental object is detected and its relative position and relative speed are acquired.
  • the senor comprises an infrared sensor and a radar sensor, and the infrared sensor identifies the environmental object as a pedestrian or an object, and the relative position and relative speed of the environmental object are acquired by the radar sensor.
  • the information processor unit includes a positioning navigation module and a processor
  • the step S2 specifically includes:
  • Step S21 Acquire, by the navigation module, an absolute position of the system on the map built by the navigation module by the vehicle lamp adjustment control system;
  • Step S22 The processor acquires dynamic position information of the environmental object on the map according to the absolute position of the system, the relative position of the environmental object, and the relative speed;
  • Step S23 The processor generates the control signal according to the preset control rule according to the dynamic location information.
  • the dynamic location information includes real-time dynamic location information and predicted dynamic location information obtained by the processor according to the acquired environmental information.
  • the preset control rule comprises controlling an orientation and a light intensity of the light beam projected by the lamp unit.
  • the preset control rule further comprises controlling the lamp unit to be turned off when the relative position of the environmental object is greater than a set threshold.
  • the present invention also provides an automobile comprising the above-described vehicle lamp adjustment control system provided by the present invention.
  • the lamp unit is combined with the detection unit and the navigation module of the information processing unit, and the environmental information acquired by the detection is pressed.
  • the preset control rule generates a control signal, and through the control signal, the different directions and different light intensities of the light beam are selectively and actively predicted by the detected environmental objects in the road environment, and the preset control rules are implemented. Controlling the closing and opening of the lamp unit, thereby improving the intelligence and accuracy of beam projection.
  • the vehicle lamp adjustment control system and the control method When the vehicle lamp adjustment control system and the control method are applied to a vehicle, one of them reduces the influence of high-brightness car headlights on environmental objects through intelligent and accurate control; and second, through pre-judgment illumination mode The response speed to the environmental information is improved, so that the control unit has a longer processing time for the change of the environmental information; the safety of the driving of the automobile and the user experience are enhanced.
  • FIG. 1 is a structural block diagram of a vehicle lamp adjustment control system according to the present invention.
  • FIG. 2 is a flow chart showing a control method of a vehicle lamp adjustment control system according to the present invention
  • FIG. 3 is a block diagram of a sub-flow of step S2 of FIG. 2;
  • FIG. 4 is a schematic diagram of a scenario of a control method for a vehicle lamp adjustment control system according to the present invention.
  • FIG. 5 is a schematic diagram of a second scenario of the control method of the vehicle lamp adjustment control system according to the present invention.
  • the present invention provides a vehicle lamp adjustment control system 100 comprising a lamp unit 1, a detection unit 2 and an information processor unit 3.
  • the lamp unit 1 is for projecting light according to control requirements.
  • the lamp unit 1 includes a plurality of light sources 11, such as an LED light source or an LD light source (LD, laser diode). Each of the LED light source or the LD light source is separately controlled and driven. The light intensity and projection angle of different LED light sources or LD light sources are different.
  • the light source is not limited thereto, and the lamp unit 1 may be a mercury lamp, a xenon lamp, a halogen lamp, or the like that is swingable and includes a light shielding plate.
  • each of the LED light source or the LD light source is separately controlled and driven, and is not limited to a narrow single LED light source or LD light source; or a module composed of several LEDs or LDs may be separately controlled and driven.
  • the detecting unit 2 is configured to detect and acquire environmental information around it.
  • the environmental information includes environmental objects (not shown) located around the vehicle lamp adjustment control system 100 and their relative positions and relative velocities.
  • environmental objects located around the vehicle lamp adjustment control system 100 and their relative positions and relative velocities.
  • a preceding vehicle including a co-directional road, an incoming vehicle of a reverse road, a pedestrian, a traffic sign, an obstacle, and the like, and respective relative positions and relative speeds with the vehicle lamp adjustment control system 100.
  • the relative position can obtain the relative distance, and the relative distance can also be obtained directly.
  • the detection unit 2 comprises a sensor by which the environmental object is detected and its relative position and relative speed are acquired.
  • the detecting unit 2 includes different types of sensors respectively connected to the information processor unit 3, including the radar sensor 21 and the infrared sensor 22, and is not limited thereto.
  • the environmental object is identified by the infrared sensor 22 as a pedestrian or an object, and the relative position and relative speed of the environmental object are acquired by the radar sensor 21.
  • the radar sensor 21 is a millimeter wave radar or/and a laser radar.
  • the environmental information within a radius of 300 meters centered on the vehicle lamp adjustment control system 100 can be known by the radar sensor 21. If the vehicle lamp adjustment control system 100 is applied to a vehicle, the environmental information having a radius of 300 meters or less centered on the vehicle can be known.
  • the detection range here is not limited to 300 meters. In other embodiments, the detection range can be expanded or reduced according to the needs of the actual situation and the use of detectors or sensors of different precisions.
  • the infrared sensor 22 is used to distinguish pedestrians from other environmental objects in order to prevent the lamp unit 1 from projecting a light beam to a pedestrian.
  • the infrared sensor here mainly uses the infrared characteristics of the pedestrian and other links to detect the difference; in other embodiments, the infrared distance sensor can also be used for the distance detection, or the infrared sensor takes both the distance and the pedestrian and other The role of environmental object differentiation.
  • the information processor unit 3 is configured to analyze the environment information, generate a control signal according to a preset control rule, and drive the lamp unit 1 to project a light beam by the control signal, including controlling the lamp unit 1 Project the beam's orientation and intensity to meet projection requirements.
  • the information processor unit 3 includes a positioning navigation module 31 and a processor 32.
  • the navigation module 31 is configured to acquire an absolute position of the system on the map built in the navigation module 31 (such as navigation software) of the vehicle lamp adjustment control system 100 (if the vehicle is used in the vehicle, the vehicle is in the navigation) The absolute position of the vehicle on the map built into module 31).
  • the processor 32 acquires dynamic position information of the environmental object on the map according to the absolute position of the system, the relative position of the environmental object, and the relative speed, and presses according to the dynamic position information.
  • the control rule is generated to generate the control signal, thereby controlling the direction, angle, light intensity, and the like of the light beam projected by the lamp unit 1. Avoid safety accidents caused by glare of other environmental objects. At the same time, through the pre-judged illumination method, the response speed to the environmental information is improved, and the control unit has a longer processing time for the change of the environmental information.
  • the relative position and the relative speed of the environmental object acquired by the detecting unit 2 are dynamic changes, and the absolute position of the system acquired by the navigation module 31 is also a dynamic change amount.
  • the environmental object and the dynamically changing relative position and relative speed of the vehicle lamp adjustment control system 100 can be converted into dynamic changes in the navigation module 31.
  • the dynamic position information is equivalent to establishing a three-dimensional coordinate system, thereby generating a control signal according to a preset control rule according to dynamically changing dynamic position information. That is, the coordinate position of each environmental object is displayed in the coordinate system in the map to determine the angular range and light intensity of the light beam of the lamp unit 1 projected in the map, thereby generating the control signal that satisfies the corresponding requirement.
  • the navigation module 31 may acquire part of the environmental information in advance, so that the environmental object may be pre-judged, that is, the pre-judgment is analyzed according to the obtained environmental information.
  • the environmental information for the next specific time period makes the vehicle lamp adjustment control system 100 more intelligent, improving the accuracy of the projected beam.
  • the present invention further provides a control method for a vehicle lamp adjustment control system.
  • the control method is described by taking the above-described vehicle lamp adjustment control system 100 as an automobile.
  • the vehicle lamp adjustment control system 100 includes the lamp unit 1, the detection unit 2, and the information processor unit 3,
  • the control method includes the following steps:
  • Step S1 Obtain environmental information around the detection unit 2 by using the detection unit 2.
  • the environmental information includes environmental objects located around the vehicle light adjustment control system 100 and their relative positions and relative velocities.
  • the environmental objects include a preceding vehicle of a co-directional road, an incoming vehicle of a reverse road, a pedestrian, a traffic sign, and an obstacle.
  • the detection unit 2 comprises sensors, such as the radar sensor 21 and the infrared sensor 22.
  • the environmental object is detected by the radar sensor 21 and its relative position and relative speed with respect to the car are obtained.
  • the temperature of the environmental object can be identified by the infrared sensor 22 to distinguish between pedestrians and other objects.
  • the sensor included in the detecting unit 2 is not limited thereto, and the principle is the same.
  • Step S2 The environment information is analyzed by the information processing unit 3, and a control signal is generated according to a preset control rule and then sent to the vehicle lamp unit 1.
  • the information processing unit 3 includes the positioning navigation module 31 and the processor 32.
  • the step specifically includes:
  • step S21 the system absolute position of the vehicle lamp adjustment control system 100 (ie, the car) on the map built in the navigation module 31 is acquired by the navigation module 31.
  • Step S22 The processor 32 acquires dynamic position information of the environmental object on the map according to the absolute position of the system, the relative position of the environmental object, and the relative speed.
  • the dynamic location information includes real-time dynamic location information and predicted dynamic location information obtained by the processor according to the acquired environmental information.
  • Step S23 The processor 32 generates the control signal according to the preset control rule according to the dynamic position information.
  • the preset control rule includes controlling the orientation and intensity of the projected light beam of the lamp unit 1, that is, the range angle and intensity of the projection.
  • the preset control rule further comprises controlling the lamp unit 1 to be turned off when the relative position of the environmental object is greater than a set threshold.
  • the preset control rule corresponding to the generated control signal can realize automatic control of the range angle and intensity of the projected light beam of the lamp unit 1; and can also set a threshold value of the relative distance between the environment object and the automobile as needed, When the threshold value is exceeded, the lamp unit 1 is turned off, and when the threshold value is less than or equal to the threshold value, the lamp unit 1 is turned on, and projection is performed according to the required range angle and intensity.
  • Step S3 the lamp unit 1 receives the control signal and projects a light beam according to the control signal.
  • position information of a part of the environmental object may be acquired in advance, that is, the processor may generate a control signal corresponding to the angular range and the light intensity of the corresponding beam projection in the current real-time road condition according to the real-time dynamic position information.
  • the angle range of the beam projection and the control signal of the light intensity can be pre-determined, thereby optimizing the real-time beam projection, so that the beam projection effect is more accurate, the pertinence is stronger, and the active projection function is formed. This increases security and user experience.
  • the environmental objects include the preceding vehicle C2 of the same road, the incoming vehicle C3 ⁇ C4 of the reverse road, the pedestrian P1 ⁇ P2, and the traffic sign S1 ⁇ S2. , fixture T1, etc.
  • the radar sensor 21 (such as a laser radar) of the detecting unit 2 can detect the known environment.
  • the absolute position of the system of the vehicle C1 on the map built in the navigation module 31 is acquired by the navigation module 31.
  • the processor 32 acquires dynamic position information of the environmental object on the map according to the absolute position of the system, the relative position of the environmental object, and the relative speed.
  • the processor 32 When the dynamic position information (including the absolute position and the relative position) of each environmental object relative to the vehicle C1 is determined, similar to establishing the three-dimensional coordinate system, the processor 32 generates a control signal according to the preset control rule according to the dynamic position information, and drives the signal. The beam projection direction and light intensity of the lamp unit 1 are controlled.
  • the preset control rules for generating control signals specifically include:
  • the beams B4 and B5 respectively illuminate the traffic sign S1 ⁇ S2 and the fixture T1 (such as a tree), wherein the traffic sign S1 ⁇ S2 and the fixture can be determined by the map of the navigation module 31. And the control beam is not projected onto the pedestrian P1 ⁇ P2 to avoid pedestrian dizziness;
  • the beams B2 and B3 are projected on both sides of the front car C2 to avoid the front car C2
  • the driver's dizziness More preferably, in combination with the judgment of the traveling speed and the traveling direction of the preceding vehicle C2 (for example, the traffic sign S1 indicates that the right turn is prohibited, the traffic sign S2 indicates the left turn), and the light beam B2 is more inclined to the left than the preceding vehicle C2. direction.
  • the light beam is projected at the interval between the incoming vehicles C3 and C4 of the reverse road, and passes through the processor. 32
  • the relative speed between the incoming vehicles C3 and C4 of the reverse road, the relative speed of the vehicle C1 with respect to the incoming vehicles C3 and C4 of the reverse road, respectively, and the projected orientation of the light beam B1 is determined.
  • the front end of the reverse road C3 and the rear end of the reverse road C4 are dynamically changed.
  • the vehicle lamp adjustment control system in the present embodiment performs the predictive projection of the light beam based on the detection result or/and the navigation module, instead of simply passively receiving the detection result and simply projecting the light beam, thereby improving safety.
  • the lamp unit can specifically illuminate the exterior of the window, thereby improving the user experience. For example, when passengers are driving at night, the lights can provide a certain sense of psychological security.
  • the preset control rules for generating control signals specifically include:
  • the vehicle lamp unit is selectively turned on by setting a threshold value of the approach distance of the environmental object around the vehicle by the hardware portion of the detecting unit 2. That is, when the relative distance of the environmental object approaching the vehicle C1 is greater than the threshold, the lamp unit 1 is controlled to be turned off; when the relative distance is less than or equal to the threshold, the lamp unit 1 is controlled to be turned on and irradiated to the environmental object, The passenger can observe the environmental object, and it is convenient to provide a basis for the passenger to be re-elected as manual driving, thereby improving driving safety.
  • the environmental object may be one or more, and the light beam may be selectively projected.
  • the specific manner is the embodiment shown in FIG. 4, and details are not described herein.
  • the preset control rule for generating the control signal further includes: the distance between the plurality of radius concentric circles centered on the vehicle and located in front of the vehicle lamp is set to different levels, and when the vehicle moves along the direction of the vehicle, two If the angle between the line connecting the center line of the car and the direction of travel of the vehicle is increasing, it can be judged to be safe.
  • the angle between the line L4 of the center line C5 of the vehicle and the center line C5 of the vehicle C6 and the direction line L1 of the C5 of the vehicle is continuously increased.
  • the light beam controlling the headlight unit of the vehicle is not projected to the vehicle C6.
  • the angle between the line L5 of the center line C5 of the vehicle and the center line of the C7 of the vehicle C7 and the direction line L1 of the C5 of the vehicle C is unchanged or continuously decreased.
  • the light beam of the lamp unit of the vehicle C5 is controlled to arrive. Car C7.
  • the beam projection rule of the lamp unit can be similarly obtained by referring to the above judgment manner.
  • the driver can observe the environmental object according to the projected beam and adjust the driving speed, direction and mode in time to enhance driving safety.
  • the present invention also provides an automobile (not shown) including the above-described vehicle lamp adjustment control system 100 and a control method of the vehicle lamp adjustment control system provided by the present invention.
  • the lamp unit is combined with the detection unit and the navigation module of the information processing unit, and the environmental information acquired by the detection is pressed.
  • the preset control rule generates a control signal, and through the control signal, the different directions and different light intensities of the light beam are selectively and actively predicted by the detected environmental objects in the road environment, and the preset control rules are implemented. Controlling the closing and opening of the lamp unit, thereby improving the intelligence and accuracy of beam projection.

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Abstract

一种车灯调节控制系统（100），包括：车灯单元（1），用于根据控制要求投射光束；探测单元（2），用于探测并获取其周围的环境信息；信息处理器单元（3），用于对所述环境信息进行分析，并按预设控制规则生成控制信号，通过所述控制信号驱动所述车灯单元（1）投射光束，并控制所述车灯单元（1）投射光束的方位和光强。还提供了该车灯调节控制系统（100）的控制方法及具有该车灯调节控制系统（100）的汽车。由于按预设控制规则控制所述车灯单元（1），从而提高了车灯投射光束的智能化程度和准确性。

Description

车灯调节控制系统及控制方法、汽车 技术领域
本发明属于车灯技术领域，具体涉及一种车灯调节控制系统及控制方法、汽车。
 背景技术
现有车灯系统，无论是AFS弯道辅助照明系统还是自动无光灯ADB大灯，都是被动地接收探测雷达、红外探测器等探测装置获得环境信息，从而根据探测装置的探测结果投射光束。
 技术问题
然而，现有技术的车灯调节控制系统中，这种模式智能化程度较低，无法主动地、预判地对汽车大灯投射光束的区域和光强进行控制，尤其是现有汽车大灯缺乏与自动驾驶技术相结合进行相应光束投射。
因此，实有必要提供一种新的车灯调节控制系统及控制方法、汽车解决及检测方法。
 技术解决方案
针对以上现有技术的不足，本发明提出一种智能程度高，安全可靠性好的车灯调节控制系统及控制方法、汽车。
为了解决上述技术问题，本发明提供了一种车灯调节控制系统，包括：
车灯单元，用于根据控制要求投射光束；
探测单元，用于探测并获取其周围的环境信息；
信息处理器单元，用于对所述环境信息进行分析，并按预设控制规则生成控制信号，通过所述控制信号驱动所述车灯单元投射光束，并控制所述车灯单元投射光束的方位和光强。
优选的，所述车灯单元包括多个LED光源或LD光源，每个所述LED光源或LD光源均为单独控制驱动。
优选的，所述探测单元包括与所述信息处理器单元连接的用于检测所述环境信息的传感器。
优选的，所述传感器包括所述雷达传感器和红外传感器。
优选的，所述雷达传感器为毫米波雷达或激光雷达。
优选的，所述环境信息包括位于所述车灯调节控制系统周围的环境物体及其相对位置和相对速度。
优选的，所述信息处理器单元包括定位导航模块和处理器，所述导航模块用于获取所述车灯调节控制系统在所述导航模块内置的地图上的系统绝对位置，所述处理器根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息，并根据所述动态位置信息按预设控制规则生成所述控制信号。
本发明还提供一种车灯调节控制系统的控制方法，所述车灯调节控制系统包括车灯单元、探测单元和信息处理器单元；该控制方法包括如下步骤：
步骤S1、通过所述探测单元获取其周围的环境信息；
步骤S2、通过所述信息处理单元对所述环境信息进行分析，并按预设控制规则生成控制信号后发送至所述车灯单元；
步骤S3、所述车灯单元接收所述控制信号并按所述控制信号投射光束。
优选的，步骤S1中，所述环境信息包括位于所述车灯调节控制系统周围的环境物体及其相对位置和相对速度。
优选的，所述环境物体包括同向道路的前车、逆向道路的来车、行人、交通指示牌、障碍物。
优选的，所述探测单元包括传感器，通过所述传感器探测所述环境物体并获取其相对位置和相对速度。
优选的，所述传感器包括红外传感器和雷达传感器，通过所述红外传感器识别所述环境物体为行人或物，通过所述雷达传感器获取所述环境物体的相对位置和相对速度。
优选的，所述信息处理器单元包括定位导航模块和处理器，所述步骤S2具体包括：
步骤S21、通过所述导航模块获取所述车灯调节控制系统在所述导航模块内置的地图上的系统绝对位置；
步骤S22、所述处理器根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息；
步骤S23、所述处理器根据所述动态位置信息按预设控制规则生成所述控制信号。
优选的，步骤S23中，所述动态位置信息包括实时动态位置信息和所述处理器根据获取的环境信息分析得出的预判动态位置信息。
优选的，步骤S23中，所述预设控制规则包括控制所述车灯单元投射光束的方位和光强。
优选的，步骤S23中，所述预设控制规则还包括当所述环境物体的所述相对位置大于设定阈值时控制所述车灯单元关闭。
本发明同时提供一种汽车，该汽车包括本发明提供的上述车灯调节控制系统。
 有益效果
与相关技术相比，本发明的车灯调节控制系统及控制方法中，所述车灯单元与所述探测单元及所述信息处理单元的导航模块相结合，通过探测获取的所述环境信息按预设控制规则生成控制信号，并通过该控制信号对所述道路环境中被探测的环境物体选择性、主动预判地实现光束的不同方位和不同光强的投射，以及实现按预设控制规则控制所述车灯单元的关闭和开启，从而了提高光束投射的智能化程度和准确性。当所述车灯调节控制系统及控制方法运用于汽车时，其一通过智能化和准确性控制，降低了高亮度的汽车大灯对环境物体的影响；其二，通过预判性的照明方式，提高了对环境信息的响应速度，使得控制单元对环境信息的变化有了更长的处理时间；提高了汽车车辆行驶的安全性和增强了用户体验性。
 附图说明
下面结合附图详细说明本发明。通过结合以下附图所作的详细描述，本发明的上述或其他方面的内容将变得更清楚和更容易理解。附图中：
图1为本发明车灯调节控制系统的结构框图；
图2为本发明车灯调节控制系统的控制方法流程框图；
图3为图2的步骤S2的子流程框图；
图4为本发明车灯调节控制系统控制方法运用的场景一示意图；
图5为本发明车灯调节控制系统控制方法运用的场景二示意图。
 本发明的实施方式
下面结合附图详细说明本发明的具体实施方式。
在此记载的具体实施方式/实施例为本发明的特定的具体实施方式，用于说明本发明的构思，均是解释性和示例性的，不应解释为对本发明实施方式及本发明范围的限制。除在此记载的实施例外，本领域技术人员还能够基于本申请权利要求书和说明书所公开的内容采用显而易见的其它技术方案，这些技术方案包括采用对在此记载的实施例的做出任何显而易见的替换和修改的技术方案，都在本发明的保护范围之内。
请参阅图1，本发明提供了一种车灯调节控制系统100，包括车灯单元1、探测单元2和信息处理器单元3。
所述车灯单元1用于根据控制要求投射光。
具体的，所述车灯单元1包括多个光源11，如LED光源或LD光源，（LD即laser Diode，激光二极管）每个所述LED光源或LD光源均为单独控制驱动，即可实现使不同的LED光源或LD光源的光强和投射角度均不相同。光源也不限于此，所述车灯单元1也可以是有可摆动并包括遮光板的汞灯、氙气灯和卤素灯等。
当然，每个所述LED光源或LD光源为单独控制驱动，并不局限于狭义的单颗LED光源或LD光源；也可以是若干个LED或LD所组成的模组为单独控制驱动。
所述探测单元2用于探测并获取其周围的环境信息。
所述环境信息包括位于所述车灯调节控制系统100周围的环境物体（图未示）及其相对位置和相对速度。比如，包括同向道路的前车、逆向道路的来车、行人、交通指示牌及障碍物等以及各自与所述车灯调节控制系统100的相对位置和相对速度。当然，相对位置可获取相对距离，也可直接获取相对距离。
所述探测单元2包括传感器，通过所述传感器探测所述环境物体并获取其相对位置和相对速度。
本实施方式中，所述探测单元2包括分别与所述信息处理器单元3连接的不同类传感器，包括雷达传感器21和红外传感器22，不限于此。
通过所述红外传感器22识别所述环境物体为行人或物，通过所述雷达传感器21获取所述环境物体的相对位置和相对速度。
比如，所述雷达传感器21为毫米波雷达或/和激光雷达。通过所述雷达传感器21可以获知以所述车灯调节控制系统100为中心的半径为300米以内的所述环境信息。若所述车灯调节控制系统100运用于车辆，则共可获知以该车辆为中心的半径为300米以内的所述环境信息。
当然，这里的探测范围并不局限于300米，在其他一些实施方式中，根据实际情况的需要和不同精度的探测器或传感器的运用，可以将探测范围扩大或缩小。
所述红外传感器22则用于区分行人与其它环境物体，以便避免所述车灯单元1向行人投射光束。当然，这里的红外传感器主要利用行人与其他环节物体的红外特征不同以探测区分；在其他实施方式中，也可以采用红外距离传感器用于距离的探测，或者，红外传感器同时兼顾距离和行人与其它环境物体区分的作用。
所述信息处理器单元3用于对所述环境信息进行分析，并按预设控制规则生成控制信号，通过所述控制信号驱动所述车灯单元1投射光束，包括控制所述车灯单元1投射光束的方位和光强，以满足投射要求。
本实施方式中，所述信息处理器单元3包括定位导航模块31和处理器32。
所述导航模块31用于获取所述车灯调节控制系统100在所述导航模块31（如导航软件）内置的地图上的系统绝对位置（若运用于车辆时则为所述车辆在所述导航模块31内置的地图上的车辆绝对位置）。
所述处理器32根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息，并根据所述动态位置信息按预设控制规则生成所述控制信号，从而控制所述车灯单元1投射光束的方向、角度和光强等。避免对其它环境物体造成光束刺眼而引发的安全事故。同时，通过预判性的照明方式，提高了对环境信息的响应速度，使得控制单元对环境信息的变化有了更长的处理时间。
需要说明的是，所述探测单元2获取的所述环境物体的相对位置和相对速度为动态变化量，所述导航模块31获取的所述系统绝对位置也为动态变化量。
通过所述探测单元2和所述导航模块31结合，将环境物体与车灯调节控制系统100的呈动态变化的相对位置和相对速度获取后即可在所述导航模块31内转换为呈动态变化的所述动态位置信息，相当于建立了三维坐标系，从而根据呈动态变化的动态位置信息按预设控制规则生成控制信号。即：在地图中的坐标系中显示各环境物体的坐标位置，以确定所述车灯单元1的光束在地图中投射的角度范围和光强，从而生成满足相应要求的所述控制信号。
另外，因所述相对位置和所述相对速度为动态变化，而所述导航模块31可提前获取部分环境信息，从而可对所述环境物体进行预判，即根据已获得的环境信息分析预判下一特定时间段的环境信息，使得所述车灯调节控制系统100更智能化，提高投射光束的准确度。
请结合参阅图2，本发明还提供一种车灯调节控制系统的控制方法，为了方便说明，该控制方法以上述车灯调节控制系统100运用于汽车为例进行说明。所述车灯调节控制系统100包括所述车灯单元1、所述探测单元2和所述信息处理器单元3，
该控制方法包括如下步骤：
步骤S1、通过所述探测单元2获取其周围的环境信息。
所述环境信息包括位于所述车灯调节控制系统100周围的环境物体及其相对位置和相对速度。
所述环境物体包括同向道路的前车、逆向道路的来车、行人、交通指示牌及障碍物等。
所述探测单元2包括传感器，如所述雷达传感器21和所述红外传感器22。
通过所述雷达传感器21探测所述环境物体并获取其相对于所述汽车的相对位置和相对速度。通过所述红外传感器22可以识别环境物体的温度以区分行人与其它物体。当然，所述探测单元2所包括的传感器并不限于此，其原理都一样。
步骤S2、通过所述信息处理单元3对所述环境信息进行分析，并按预设控制规则生成控制信号后发送至所述车灯单元1。
请结合参阅图3，更优的，所述信息处理器单元3包括所述定位导航模块31和所述处理器32，本步骤具体包括：
步骤S21、通过所述导航模块31获取所述车灯调节控制系统100（即所述汽车）在所述导航模块31内置的地图上的系统绝对位置。
步骤S22、所述处理器32根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息。
本步骤中，所述动态位置信息包括实时动态位置信息和所述处理器根据获取的环境信息分析得出的预判动态位置信息。
步骤S23、所述处理器32根据所述动态位置信息按预设控制规则生成所述控制信号。
本步骤中，所述预设控制规则包括控制所述车灯单元1投射光束的方位和光强，即投射的范围角度和强度。
当然，更优的，所述预设控制规则还包括当所述环境物体的所述相对位置大于设定阈值时控制所述车灯单元1关闭。
即所述预设控制规则对应生成的所述控制信号可以实现自动控制所述车灯单元1投射光束的范围角度和强度；也可实现根据需要，设定环境物体与汽车的相对距离的阈值，大于阈值时关闭车灯单元1，小于或等于阈值时打开车灯单元1，并按要求的范围角度和强度进行投射。
步骤S3、所述车灯单元1接收所述控制信号并按所述控制信号投射光束。
由于处理器与导航模块结合，可预先获取部分环境物体的位置信息，即处理器可根据实时动态位置信息生成对应当前实时路况下对应的光束投射的角度范围和光强的控制信号。同时也可根据所述预判动态位置信息预判断光束投射的角度范围和光强的控制信号，从而优化实时的光束投射，使得光束投射效果更准确，针对性更强，且形成主动投射功能，进而增加了安全性能和用户体验效果。
请结合参图4所示，以下对本发明车灯调节控制系统的控制方法运用于汽车场景一进行说明：
除运用所述车灯调节控制系统及控制方法的本车C1之外，环境物体包括同向道路的前车C2、逆向道路的来车C3\C4、行人P1\P2、交通指示牌S1\S2、固定物T1等。
由于不同形状的环境物体对激光的反射率不同，运动和非运动的环境物体对电磁波和激光的反射速度率不同，则可通过所述探测单元2的雷达传感器21（如激光雷达）探测获知环境物体相对于本车C1的相对位置及相对速度以及不同运动速率的环境物体。即获取环境物体相对于本车C1的相对位置和相对速度。
通过所述导航模块31获取本车C1在所述导航模块31内置的地图上的系统绝对位置。所述处理器32根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息。
同时，结合所述红外传感器22的探测，可以对环境特体是否为行人作进一步确定。
当各环境物体相对于本车C1的动态位置信息（包括绝对位置和相对位置）确定后，类似于建立三维坐标系，处理器32根据该动态位置信息按预设控制规则生成控制信号，并驱动控制所述车灯单元1的光束投射方位及光强。
生成控制信号的预设控制规则具体来说包括:
对于同向道路，光束B4和B5分别照射交通指示牌S1\S2和固定物T1（如树木），其中，交通指示牌S1\S2和固定物可通过所述导航模块31的地图即可确定。并且控制光束不投射至行人P1\P2上，避免行人目眩;
对于前车C2，光束B2和B3投射在前车C2的两侧，避免前车C2
驾驶员的目眩。更优的，结合对前车C2的行驶速度和行驶方向的判断（如交通指示牌S1指示禁止右转，交通指示牌S2指示左转），光束B2相对于前车C2更偏向于左转的方向。
对于迎面逆向道路的来车C3\C4，为防止对逆向道路的来车C3\C4的驾驶员造成目眩，仅在逆向道路的来车C3和C4之间的间隔处投射光束，且通过处理器32对逆向道路的来车C3和C4之间的相对速度、本车C1分别相对于逆向道路的来车C3和C4的相对速度，光束B1的投射方位被确定。比如逆向道路的来车C3的前端和逆向道路的来车C4的尾端动态变化。
也就是说，本实施例中的车灯调节控制系统根据探测结果或/和导航模块进行预判性地投射光束，而不是仅被动地接收探测结果而简单化地投射光束，从而提高安全性。
请结合图5所示，以下对本发明车灯调节控制系统的控制方法运用于汽车场景二进行说明：
对于无人驾驶汽车，在晚上行驶时，理论上，无需开启车灯单元对景观或周围动态物体的照射，但是根据乘客的实际需要，比如，观赏车窗外景物例如沿路建筑物，此种情况下，根据上述环境信息，车灯单元可以针对性地照射车窗外景物，提高了用户体验。比如，乘客在夜晚行车途中，灯光可以提供一定心理安全感。
生成控制信号的预设控制规则具体来说包括:
通过探测单元2硬件部分对车周围的环境物体的接近距离设置阈值，选择性地开启车灯单元。也就是说，当环境物体接近本车C1的相对距离大于该阈值时，车灯单元1被控制关闭；当相对距离小于或等于阈值时，车灯单元1被控制打开并照射至该环境物体，使得乘客可以观察到该环境物体，便于为乘客是否改选为人工驾驶提供依据，提高了驾驶安全性。
需要说明的是，该环境物体可以是一个或多个，光束可以选择性投射，具体方式为图4所示实施方式，在此不在赘述。
本实施方式的场景中，更优的，根据探测到的环境物体的不同，例如来车C6\C7或是行人P3\P4。
则生成控制信号的预设控制规则还包括：以本车为中心且位于车灯前的多个半径同心圆部分的车距设为不同等级，当来车沿接近本车方向移动的同时，两车中心线的连线与本车行进方向线的夹角不断增大，则可以判断为安全。
例如，本车C5与来车C6两车中心线的连线L4与本车C5行进方向线L1的夹角不断增大，此情况下，控制本车的车灯单元的光束不投射到来车C6上，避免了对交通参与人造成目眩；
而当两车中心线的连线与本车行进方向线的夹角不变或者不断减小，则可以判断为非安全。
例如，本车C5与来车C7两车中心线的连线L5与本车C5行进方向线L1的夹角不变或者不断减小，此情况下，控制本车C5的车灯单元投射光束到来车C7上。
对于，行人P3和P4，以及各行人质心与本车C5的连线L2和L3，可以参照以上判断方式类似得出车灯单元的光束投射规则。
驾驶员可以及时根据投射的光束观察到环境物体并及时调整行车速度、方向、模式等，增强行车安全。
本发明同时提供一种汽车（图未示），该汽车包括本发明提供的上述车灯调节控制系统100以及车灯调节控制系统的控制方法。
与相关技术相比，本发明的车灯调节控制系统及控制方法中，所述车灯单元与所述探测单元及所述信息处理单元的导航模块相结合，通过探测获取的所述环境信息按预设控制规则生成控制信号，并通过该控制信号对所述道路环境中被探测的环境物体选择性、主动预判地实现光束的不同方位和不同光强的投射，以及实现按预设控制规则控制所述车灯单元的关闭和开启，从而了提高光束投射的智能化程度和准确性。当所述车灯调节控制系统及控制方法运用于汽车时，提高了汽车车辆行驶的安全性和增强了用户体验性。
需要说明的是，以上参照附图所描述的各个实施例仅用以说明本发明而非限制本发明的范围，本领域的普通技术人员应当理解，在不脱离本发明的精神和范围的前提下对本发明进行的修改或者等同替换，均应涵盖在本发明的范围之内。此外，除上下文另有所指外，以单数形式出现的词包括复数形式，反之亦然。另外，除非特别说明，那么任何实施例的全部或一部分可结合任何其它实施例的全部或一部分来使用。
 

Claims (17)

1、一种车灯调节控制系统，其特征在于，包括
车灯单元，用于根据控制要求投射光束；
探测单元，用于探测并获取其周围的环境信息；
信息处理器单元，用于对所述环境信息进行分析，并按预设控制规则生成控制信号，通过所述控制信号驱动所述车灯单元投射光束，并控制所述车灯单元投射光束的方位和光强。
2、根据权利要求1所述的车灯调节控制系统，其特征在于，所述车灯单元包括多个LED光源或LD光源，每个所述LED光源或LD光源均为单独控制驱动。
3、根据权利要求1所述的车灯调节控制系统，其特征在于，所述探测单元包括与所述信息处理器单元连接的用于检测所述环境信息的传感器。
4、根据权利要求3所述的车灯调节控制系统，其特征在于，所述传感器包括所述雷达传感器和红外传感器。
5、根据权利要求4所述的车灯调节控制系统，其特征在于，所述雷达传感器为毫米波雷达或激光雷达。
6、根据权利要求1所述的车灯调节控制系统，其特征在于，所述环境信息包括位于所述车灯调节控制系统周围的环境物体及其相对位置和相对速度。
7、根据权利要求6所述的车灯调节控制系统，其特征在于，所述信息处理器单元包括定位导航模块和处理器，所述导航模块用于获取所述车灯调节控制系统在所述导航模块内置的地图上的系统绝对位置，所述处理器根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息，并根据所述动态位置信息按预设控制规则生成所述控制信号。
8、一种车灯调节控制系统的控制方法，所述车灯调节控制系统包括车灯单元、探测单元和信息处理器单元；其特征在于，该控制方法包括如下步骤：
步骤S1、通过所述探测单元获取其周围的环境信息；
步骤S2、通过所述信息处理单元对所述环境信息进行分析，并按预设控制规则生成控制信号后发送至所述车灯单元；
步骤S3、所述车灯单元接收所述控制信号并按所述控制信号投射光束。
9、根据权利要求8所述的车灯调节控制系统的控制方法，其特征在于，步骤S1中，所述环境信息包括位于所述车灯调节控制系统周围的环境物体及其相对位置和相对速度。
10、根据权利要求9所述的车灯调节控制系统的控制方法，其特征在于，所述环境物体包括同向道路的前车、逆向道路的来车、行人、交通指示牌、障碍物。
11、根据权利要求10所述的车灯调节控制系统的控制方法，其特征在于，所述探测单元包括传感器，通过所述传感器探测所述环境物体并获取其相对位置和相对速度。
12、根据权利要求11所述的车灯调节控制系统的控制方法，其特征在于，所述传感器包括红外传感器和雷达传感器，通过所述红外传感器识别所述环境物体为行人或物，通过所述雷达传感器获取所述环境物体的相对位置和相对速度。
13、根据权利要求9所述的车灯调节控制系统的控制方法，其特征在于，所述信息处理器单元包括定位导航模块和处理器，所述步骤S2具体包括：
步骤S21、通过所述导航模块获取所述车灯调节控制系统在所述导航模块内置的地图上的系统绝对位置；
步骤S22、所述处理器根据所述系统绝对位置、所述环境物体的所述相对位置和所述相对速度获取所述环境物体在所述地图上的动态位置信息；
步骤S23、所述处理器根据所述动态位置信息按预设控制规则生成所述控制信号。
14、根据权利要求13所述的车灯调节控制系统的控制方法，其特征在于，步骤S23中，所述动态位置信息包括实时动态位置信息和所述处理器根据获取的环境信息分析得出的预判动态位置信息。
15、根据权利要求14所述的车灯调节控制系统的控制方法，其特征在于，步骤S23中，所述预设控制规则包括控制所述车灯单元投射光束的方位和光强。
16、根据权利要求14所述的车灯调节控制系统的控制方法，其特征在于，步骤S23中，所述预设控制规则还包括当所述环境物体的所述相对位置大于设定阈值时控制所述车灯单元关闭。
17、一种汽车，其特征在于，包括如权利要求1-7任一项所述的车灯调节控制系统。
 
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