Vehicle light module, light system, and vehicle

Abstract

To provide a vehicle light module configured for implementing adjustment for different illumination ranges on the basis of different driving states of a vehicle, and improving functions implemented by a vehicle light.SOLUTION: The vehicle light module of the present invention includes a light source assembly, a driving assembly, and a shielding assembly. The driving assembly is connected to the shielding assembly. The light source assembly is configured to send a first beam to the shielding assembly, where the shielding assembly is located on a transmission optical path of the first beam. The driving assembly is configured to drive, according to a driving instruction, the shielding assembly to move, to change a relative position between the shielding assembly and the first beam. A second beam emitted from the shielding assembly is displayed on a path around the vehicle in a target light pattern. The shielding assembly includes at least one movable member, at least a part of the first beam is illuminated on the movable member, and a shape of a cross section of the second beam corresponds to the target light pattern.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] This application relates to the field of autonomous driving, in particular to vehicle lighting modules, lighting systems, and vehicles.

Background Art

[0002] All vehicles have indicator lamps, and the indicator lamps can realize corresponding indication functions. The vehicle may be an autonomous driving vehicle (autonomous driving vehicle, automated vehicle), also called a driverless vehicle. Alternatively, the vehicle may be an automobile, a truck, a two-wheeled vehicle, a bus, a lawn mower, a recreational vehicle, a play vehicle, a tram, a golf cart, a train, a trolley, etc.

[0003] Existing indicator lamps such as headlights, taillights, and turn lights each realize a single indication function and can only realize the function of illuminating an indication or a driving route. In addition, the irradiation range of the light emitted by the existing indicator lamps is fixed and cannot be adjusted to different irradiation ranges based on different driving states of the vehicle.

Summary of the Invention

[0004] Embodiments of this application provide a vehicle lighting module, a lighting system, and a vehicle that can perform adjustments of different lighting ranges based on different driving states of the vehicle and improve the functions realized by the vehicle lights.

[0005] A first aspect of an embodiment of the present application provides a vehicle lighting module, which includes a light source assembly, a driving assembly, and a shielding assembly. The driving assembly is connected to the shielding assembly. The light source assembly is configured to send a first beam to the shielding assembly, and the shielding assembly is located on the transmission optical path of the first beam. The driving assembly is configured to drive the shielding assembly to move in order to change the relative position between the shielding assembly and the first beam according to a driving command. The second beam emitted from the shielding assembly is displayed on the path around the vehicle in a target light pattern. The shielding assembly includes at least one movable member, at least a part of the first beam is irradiated on the movable member, and the shape of the cross section of the second beam corresponds to the target light pattern.

[0006] It can be seen that the driving assembly can be driven to move the shielding assembly so as to change the target light pattern according to the driving command. Since the driving command corresponds to at least one of the vehicle navigation information, driving assistance information, or head unit data, the driver, pedestrians around the vehicle, or other vehicles can recognize at least one of the vehicle navigation information, driving assistance information, or head unit data based on the target light pattern, thereby improving the safety and efficiency of driving. Also, in this aspect, the quantity and relative positions of the movable members included in the shielding assembly can be set to adjust the target light pattern according to requirements based on the possible light patterns of the target light pattern. The target light pattern represents the shape and dimensions of the light displayed on the ground, and it should be understood that target light patterns with different lengths, widths, curvatures, etc. are different target light patterns.

[0007] Based on the first aspect, in an optional implementation, different relative positions between the shielding assembly and the first beam correspond to different target light patterns displayed on the path of the second beam emitted by the lighting module, and the different target light patterns can be at least one of the following: The shape of the target light pattern (e.g., rectangle or arc), the length of the target light pattern, the width of the target light pattern, the bending direction of the target light pattern, the bending of the target light pattern, etc.

[0008] Different target light patterns are used to implement different navigation information, driving assistance information, or indications of head unit data, thereby improving driving safety and the efficiency of presenting navigation information, driving assistance information, or head unit data to the driver. Navigation information includes a series of planar coordinates for the vehicle to reach the navigation destination. Driving assistance information is information from the vehicle's Advanced Driver Assistance System (ADAS). For example, the driving assistance information may be a driving intention, which may be going straight, changing lanes, turning, or entering a fork. The driving assistance information may alternatively be an emergency judgment, which may be an emergency brake, an emergency avoidance, a vehicle failure, etc. The driving assistance information may alternatively be a pre-determined event of vehicle driving, which may be that the vehicle is in a safe state, the vehicle is in a dangerous state, etc. Head unit data includes main data (fuel consumption, engine speed, temperature, etc.), vehicle speed information, steering angle information, vehicle body attitude data on the vehicle dashboard, etc.

[0009] Based on the first aspect, in the implementation of the option, the shielding assembly includes a first movable member, a second movable member, and a third movable member. The first movable member and the third movable member are located on two sides of the first beam, and the second movable member is located between the first movable member and the third movable member.

[0010] The first movable member, the second movable member, and the third movable member have different relative positions with respect to the first beam such that the cross-section of the second beam emitted from the shielding assembly has different shapes, thereby adjusting different target light patterns.

[0011] Based on the first aspect, in the implementation of the option, the shielding assembly includes a first movable member, a second movable member, a third movable member, and a fourth movable member. Different relative positions between the first movable member, the third movable member, and the first beam correspond to different widths of the target light pattern, and different relative positions between the second movable member and the fourth movable member correspond to different lengths of the target light pattern.

[0012] The first movable member, the second movable member, the third movable member, and the fourth movable member have different relative positions with respect to the first beam in order to adjust the length and width of the target light pattern, thereby enabling the implementation of instructions for different driving trigger events.

[0013] Based on the first aspect, in the implementation of the option, the drive assembly is configured to drive the first movable member and the third movable member to move, ensuring that the included angle between the first movable member and the second movable member remains unchanged during the movement process, and ensuring that the included angle between the third movable member and the second movable member remains unchanged.

[0014] In this aspect, during the driving process of the vehicle, it can be ensured that the target light pattern is in a stable changing state, thereby avoiding interference caused by sudden changes in the target light pattern to the driver, pedestrians, or other vehicles.

[0015] Based on the first aspect, in the implementation of the option, the overlapping region between the second movable member and the cross-section of the first beam corresponds to the length of the target light pattern.

[0016] When it is necessary to change the length of the target light pattern, the drive assembly directly adjusts the relative position between the second movable member and the first beam so as to change the overlapping region between the second movable member and the cross-section of the first beam, thereby changing the length of the target light pattern and improving the flexibility and efficiency of adjusting the length of the target light pattern.

[0017] Based on the first aspect, in the implementation of the option, the cross-section of the second beam is trapezoidal, and the drive assembly is configured to change the height of the trapezoid formed by the cross-section of the second beam radiated from the shielding assembly by adjusting the position of the second movable member. The height of the trapezoid has a positive correlation with the length of the target light pattern. In other words, the higher the trapezoid, the longer the target light pattern, and the lower the trapezoid, the shorter the target light pattern.

[0018] Based on the first aspect, in the implementation of the option, the drive assembly moves the first movable member and / or the third movable member left or right along a direction perpendicular to the first beam radiated by the light source assembly, and / or the drive assembly moves the first movable member and / or the third movable member back and forth along the transmission direction of the first beam radiated by the light source assembly, so as to adjust the width and / or the bending direction of the target light pattern.

[0019] In this aspect, it can be seen that the moving method of the first movable member and / or the third movable member can be determined based on the specific physical structure of the vehicle light module so as to ensure that the process of changing the width and / or the bending direction of the target light pattern is not limited by the physical structure of the vehicle light module. Specifically, when the space of the vehicle light module along the direction perpendicular to the first beam radiated by the light source assembly is large, the drive assembly can adjust the width and / or the bending direction of the target light pattern by moving the first movable member and / or the third movable member left or right along the direction perpendicular to the first beam radiated by the light source assembly. When the space of the vehicle light module along the transmission direction of the first beam radiated by the light source assembly is large, the drive assembly can adjust the width and / or the bending direction of the target light pattern by moving the first movable member and / or the third movable member forward or backward along the transmission direction of the first beam radiated by the light source assembly.

[0020] Based on the first aspect, in the implementation of the option, the drive assembly can move the second movable member up or down along a direction perpendicular to the first beam emitted by the light source assembly, or the drive assembly can move the second movable member forward or backward along the transmission direction of the first beam emitted by the light source assembly.

[0021] In this aspect, it can be seen that the method of moving the second movable member can be determined based on the specific physical structure of the vehicle light module so as to ensure that the process of changing the length of the target light pattern is not limited by the physical structure of the vehicle light module. Specifically, when the space of the vehicle light module along the direction perpendicular to the first beam emitted by the light source assembly is large, the drive assembly can move the second movable member up or down along the direction perpendicular to the first beam emitted by the light source assembly to adjust the length of the target light pattern. When the space of the vehicle light module along the transmission direction of the first beam emitted by the light source assembly is large, the drive assembly can move the second movable member forward or backward along the transmission direction of the first beam emitted by the light source assembly to adjust the length of the target light pattern.

[0022] Based on the first aspect, in the implementation of the option, the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam corresponds to the width of the target light pattern.

[0023] In this aspect, it can be seen that at least one of the overlapping region between the cross-section of the first beam and the first movable member and the overlapping region between the cross-section of the first beam and the third movable member can be adjusted to implement the method of adjusting the width of the target light pattern.

[0024] Based on the first aspect, in the implementation of the option, only the overlapping region between the first movable member and the cross-section of the first beam is adjusted. In this case, the overlapping region between the first movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern. In other words, the larger the overlapping region between the first movable member and the cross-section of the first beam, the smaller the width of the target light pattern, and the smaller the overlapping region between the first movable member and the cross-section of the first beam, the wider the width of the target light pattern.

[0025] Based on the first aspect, in the implementation of the option, only the overlapping region between the third movable member and the cross-section of the first beam is adjusted. In this case, the overlapping region between the third movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern. In other words, the larger the overlapping region between the third movable member and the cross-section of the first beam, the smaller the width of the target light pattern, and the smaller the overlapping region between the third movable member and the cross-section of the first beam, the wider the width of the target light pattern.

[0026] Based on the first aspect, in the implementation of the option, the width of the target light pattern is adjusted by a method that simultaneously adjusts the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam. In this case, the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern.

[0027] Based on the first aspect, in the implementation of the option, the width of the target light pattern has a positive correlation with the distance between the first movable member and the third movable member. In other words, when the first movable member and the third movable member move towards each other such that the distance between the first movable member and the third movable member becomes shorter, the width of the target light pattern becomes smaller. Similarly, when the first movable member and the third movable member move in opposite directions such that the distance between the first movable member and the third movable member becomes larger, the width of the target light pattern becomes larger. The width of the target light pattern is adjusted by adjusting the distance between the first movable member and the third movable member, thereby improving the accuracy of the adjustment.

[0028] Based on the first aspect, in the implementation of the option, the relative position between the first movable member and the third movable member corresponds to the bending direction of the target light pattern.

[0029] In this aspect, it can be seen that the bending direction of the target light pattern can be adjusted. For example, in a vehicle turning process, the target light pattern can be adjusted according to the route on which the vehicle will travel in order to improve driving safety.

[0030] Based on the first aspect, in the implementation of the option, the overlapping area between the second movable member and the cross-section of the first beam has a negative correlation with the length of the target light pattern.

[0031] It shows that the larger the overlapping area between the second movable member and the cross-section of the first beam, the shorter the target light pattern, and the smaller the overlapping area between the second movable member and the cross-section of the first beam, the longer the target light pattern. Thereby, it can be seen that the accuracy of adjusting the length of the target light pattern is improved.

[0032] Based on the first aspect, in the implementation of the option, the target light pattern corresponds to a driving trigger event, and the driving trigger event includes at least one of navigation information, driving assistance information, and head unit data.

[0033] The target light pattern described in this aspect can indicate a plurality of driving trigger events to improve driving safety, and it can be seen that it can effectively assist the driver in operation.

[0034] Based on the first aspect, in an optional implementation, the target light pattern corresponds to a driving trigger event, and the driving trigger event includes at least one of the following: The form of the route on which the vehicle will travel, the dimensions of the route on which the vehicle will travel, the driving determination of the vehicle's advanced driver assistance system (ADAS), the brightness of the environment in which the vehicle is located, or the distance between the vehicle and an adjacent vehicle.

[0035] It can be seen that the target light pattern described in this aspect can indicate a plurality of information, thereby improving the diversity and efficiency of instructions.

[0036] Based on the first aspect, in an optional implementation, the overlapping area between the second movable member and the cross-section of the first beam has a negative correlation with the vehicle speed.

[0037] It can be seen that the target light pattern described in this aspect can effectively indicate the vehicle speed to the driver, pedestrians or other vehicles. Also, the larger the overlapping area between the second movable member and the cross-section of the first beam, the lower the vehicle speed indicated by the target light pattern, and the smaller the overlapping area between the second movable member and the cross-section of the first beam, the higher the vehicle speed indicated by the target light pattern. It can be seen that the vehicle speed can be indicated based on the length of the target light pattern.

[0038] Based on the first aspect, in an optional implementation, the sum of the overlapping area between the first movable member and the cross-section of the first beam and the overlapping area between the third movable member and the cross-section of the first beam has a negative correlation with the vehicle speed.

[0039] The larger the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam, the lower the vehicle speed indicated by the target light pattern. Conversely, the smaller the sum of these overlapping regions, the higher the vehicle speed indicated by the target light pattern. It can be understood that the vehicle speed can be indicated based on the width of the target light pattern.

[0040] Based on the first aspect, in an optional implementation, the target light pattern corresponds to an operation trigger event. The operation trigger event is that there is an object to be recognized around the vehicle. The target light pattern covers at least the target area, and the target area is the area occupied by the object to be recognized.

[0041] When the object to be recognized exists on the route where the vehicle is to travel, it can be seen that the vehicle can illuminate the object to be recognized by using the target light pattern formed by the second beam emitted. The vehicle can recognize the illuminated object to be recognized, such as by making a corresponding driving judgment or the driver of the vehicle driving the vehicle to achieve avoidance based on the illuminated object to be recognized, thereby improving the driving safety of the vehicle in the scenario where there is an object to be recognized in front of the vehicle.

[0042] Based on the first aspect, in an optional implementation, the light module further includes a lens group. The cross-section of the second beam emitted from the shielding assembly is trapezoidal. The lens group is located on the transmission optical path of the second beam emitted from the shielding assembly. The lens group is configured to project the second beam from the shielding assembly onto the path of the target light pattern, and the target light pattern is rectangular.

[0043] The lens group can adjust the optical path of the second beam emitted from the shielding assembly so that the second beam can be accurately transmitted along the path and displayed along the path in the manner of the target light pattern, thereby improving the accuracy of adjusting the target light pattern.

[0044] Based on the first aspect, in an optional implementation, the distance between the light source assembly and the lens group is greater than the equivalent focal length of the lens group.

[0045] When the distance between the light source assembly and the lens group is greater than the equivalent focal length of the lens group, after the first beam emitted by the light source assembly passes through the lens group, an inverted and enlarged real image is effectively ensured to be formed, thereby ensuring the clarity of the target light pattern displayed along the path.

[0046] Based on the first aspect, in an optional implementation, the trapezoid has an upper base and a lower base, the length of the upper base is greater than the length of the lower base, and the acute angles between the first movable member and the second movable member and between the third movable member and the second movable member are both equal to the acute angle between the leg of the trapezoid and the upper base.

[0047] When the cross-section of the second beam emitted from the shielding assembly is trapezoidal, it can be effectively ensured that the second beam emitted from the shielding assembly is displayed as a rectangular target light pattern along the path. When the vehicle is going straight, the rectangular target light pattern can be made to coincide with the lane line along which the vehicle will travel, thereby improving the driving safety of the driver in scenarios such as navigation.

[0048] Based on the first aspect, in an optional implementation, the drive assembly adjusts the acute angles between the first movable member and the second movable member and between the third movable member and the second movable member to adjust the acute angle between the leg of the trapezoid and the upper base formed by the cross-section of the second beam emitted from the shielding assembly.

[0049] The narrow angle between the trapezoidal leg and the upper base formed by the cross-section of the second beam radiated from the shielding assembly is adjusted to ensure that the target light pattern displayed on the path of the second beam radiated from the shielding assembly has a rectangular structure.

[0050] Based on the first aspect, in an optional implementation, the light module further includes a reflector. The cross-section of the second beam radiated from the shielding assembly is rectangular. The reflector is located on the transmission optical path of the second beam radiated from the shielding assembly. The reflector is configured to display the second beam from the shielding assembly on the path with a target light pattern, and the target light pattern is rectangular.

[0051] Based on the reflector, it can be effectively ensured that the second beam radiated from the shielding assembly can be successfully transmitted along the path to display the target light pattern, thereby improving the success rate of displaying the target light pattern.

[0052] Based on the first aspect, in an optional implementation, the light module further includes a lens group. The lens group may be located between the shielding assembly and the reflector, or the lens group may be located between the lens group and the light exit of the light module.

[0053] The lens group can ensure that an enlarged real image is formed on the path after the second beam radiated by the light source assembly passes through the lens group, thereby ensuring the clarification of the target light pattern.

[0054] Based on the first aspect, in an optional implementation, the reflecting surface of the reflector is an arbitrary curved surface.

[0055] It can be seen that by using a reflector with an arbitrary curved reflecting surface, the accuracy of the target light pattern and the success rate of imaging the target light pattern are improved.

[0056] Based on the first aspect, in the implementation of the option, the light source assembly includes a light source. The light source can be a halogen lamp, a light-emitting diode (LED), a laser, an ultra-high pressure mercury lamp, a xenon lamp, etc. The light source assembly further includes a driving unit connected to the light source, and the driving unit is configured to drive the light source to emit light. The light source assembly may further include a light homogenization member. The light homogenization member is located on the transmission optical path of the first beam emitted by the light source. The light homogenization member is configured to receive the first beam from the light source, homogenize the first beam, and then send the second beam to the shielding assembly. The light homogenization member can be an optical device made of a fluorescent material, a light rod, a compound eye lens (compound eye), an optical waveguide, an optical fiber, a transmission module whose circumferential surfaces are covered with reflectors and is hollow, etc.

[0057] By using the light source assembly described in this aspect, it can be ensured that the first beam emitted by the light source assembly is in a state where the light field is uniformly distributed, whereby it can be seen that the uniform brightness of the light emitted by the vehicle light is ensured.

[0058] Based on the first invention, in the implementation of the option, the vehicle light module can be located in front of the vehicle to display a target light pattern on the path in front of the vehicle; and / or the vehicle light module can be located on the side of the vehicle (e.g., the left side or the right side) to display a target light pattern on the side of the vehicle; and / or the vehicle light module can be located behind the vehicle to display a target light pattern behind the vehicle.

[0059] The vehicle described in this aspect can display the target light pattern at any position around the vehicle based on the requirements for displaying the target light pattern at different positions, so that the freedom to display the target light pattern is improved.

[0060] Based on the first invention, in the implementation of the option, a driving command is obtained based on a preset list, and the preset list includes the correspondence between the vehicle speed range and the target light pattern length range.

[0061] In this mode, different lengths of target light patterns can be obtained based on the preset list and different vehicle speeds of the vehicle. It can be seen that the length of the target light pattern is adjusted to ensure that the length of the target light pattern can effectively indicate the vehicle speed of the vehicle.

[0062] Based on the first mode, in the implementation of the option, when the vehicle speed range is greater than 0 km / h and less than 20 km / h, the target light pattern length range is greater than 0 m and less than 10 m. When the vehicle speed range is 20 km / h or more and less than 40 km / h, the target light pattern length range is 10 m or more and less than 20 m. When the vehicle speed range is 40 km / h or more and less than 60 km / h, the target light pattern length range is 20 m or more and less than 40 m. When the vehicle speed range is 60 km / h or more and less than 80 km / h, the target light pattern length range is 40 m or more and less than 50 m. When the vehicle speed range is 80 km / h or more and less than 120 km / h, the target light pattern length range is 50 m or more and less than 60 m. When the vehicle speed range is 120 km / h or more, the target light pattern length range is 60 m or more and 80 m or less.

[0063] A second aspect of the embodiments of the present application provides an illumination system including a control unit and a vehicle lighting module. The vehicle lighting module includes a light source assembly, a drive assembly, and a shielding assembly. The drive assembly is connected to the shielding assembly. The control unit is connected to the drive assembly. The control unit is configured to obtain a drive command based on a driving trigger event, and the drive command indicates a target light pattern. The control unit is configured to transmit the drive command to the drive assembly. The light source assembly is configured to send a first beam to the shielding assembly, and the shielding assembly is located on the transmission optical path of the first beam. The drive assembly is configured to move the shielding assembly according to the drive command to change the relative position between the shielding assembly and the first beam. The second beam emitted from the shielding assembly is displayed on the path around the vehicle in the target light pattern. The shielding assembly includes at least one movable member, at least a part of the first beam is irradiated on the movable member, and the shape of the cross section of the second beam corresponds to the target light pattern.

[0064] For the description of the beneficial effects of this aspect, please refer to the first aspect. Details will not be described again.

[0065] Based on the second aspect, in an optional implementation, different relative positions between the shielding assembly and the first beam correspond to different target light patterns displayed on the path of the second beam emitted by the lighting module, and the different target light patterns can be at least one of the following: The form of the target light pattern (e.g., rectangle or arc), the length of the target light pattern, the width of the target light pattern, the bending direction of the target light pattern, the bending of the target light pattern, etc.

[0066] Based on the second aspect, in an optional implementation, the shielding assembly includes a first movable member, a second movable member, and a third movable member. The first movable member and the third movable member are located on two side portions of the first beam, and the second movable member is located between the first movable member and the third movable member.

[0067] Based on the second aspect, in the implementation of the option, the shielding assembly includes a first movable member, a second movable member, a third movable member, and a fourth movable member. Different relative positions between the first movable member, the third movable member, and the first beam correspond to different widths of the target light pattern, and different relative positions between the second movable member and the fourth movable member correspond to different lengths of the target light pattern.

[0068] Based on the second aspect, in the implementation of the option, the drive assembly is configured to move the first movable member and the third movable member, and ensure that the narrow angle between the first movable member and the second movable member remains unchanged during the movement process, and ensure that the narrow angle between the third movable member and the second movable member remains unchanged.

[0069] Based on the second aspect, in the implementation of the option, the overlapping area between the second movable member and the cross-section of the first beam corresponds to the length of the target light pattern.

[0070] Based on the second aspect, in the implementation of the option, the cross-section of the second beam is trapezoidal, and the drive assembly is configured to change the height of the trapezoid formed by the cross-section of the second beam radiated from the shielding assembly by adjusting the position of the second movable member. The height of the trapezoid has a positive correlation with the length of the target light pattern. In other words, the higher the trapezoid, the longer the target light pattern, and the lower the trapezoid, the shorter the target light pattern.

[0071] Based on the second aspect, in the implementation of the option, in order to adjust the width and / or bending direction of the target light pattern, the drive assembly can move the first movable member and / or the third movable member left or right along the direction perpendicular to the first beam radiated by the light source assembly, and / or the drive assembly can move the first movable member and / or the third movable member forward or backward along the transmission direction of the first beam radiated by the light source assembly.

[0072] Based on the second aspect, in the optional implementation, the drive assembly can move the second movable member up or down along a direction perpendicular to the first beam emitted by the light source assembly, or the drive assembly can move the second movable member forward or backward along the transmission direction of the first beam emitted by the light source assembly.

[0073] Based on the second aspect, in the optional implementation, the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam corresponds to the width of the target light pattern.

[0074] Based on the second aspect, in the optional implementation, only the overlapping region between the first movable member and the cross-section of the first beam is adjusted. In this case, the overlapping region between the first movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern. In other words, the larger the overlapping region between the first movable member and the cross-section of the first beam, the smaller the width of the target light pattern, and the smaller the overlapping region between the first movable member and the cross-section of the first beam, the larger the width of the target light pattern.

[0075] Based on the second aspect, in the optional implementation, only the overlapping region between the third movable member and the cross-section of the first beam is adjusted. In this case, the overlapping region between the third movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern. In other words, the larger the overlapping region between the third movable member and the cross-section of the first beam, the smaller the width of the target light pattern, and the smaller the overlapping region between the third movable member and the cross-section of the first beam, the larger the width of the target light pattern.

[0076] Based on the second aspect, in the optional implementation, the width of the target light pattern is adjusted by a method of simultaneously adjusting the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam. In this case, the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam has a negative correlation with the width of the target light pattern.

[0077] Based on the second aspect, in the implementation of the option, the width of the target light pattern has a positive correlation with the distance between the first movable member and the third movable member. In other words, when the first movable member and the third movable member move towards each other so that the distance between the first movable member and the third movable member becomes shorter, the width of the target light pattern becomes smaller. Similarly, when the first movable member and the third movable member move in opposite directions so that the distance between the first movable member and the third movable member becomes larger, the width of the target light pattern becomes larger. The width of the target light pattern is adjusted by adjusting the distance between the first movable member and the third movable member, thereby improving the accuracy of the adjustment.

[0078] Based on the second aspect, in the implementation of the option, the relative position between the first movable member and the third movable member corresponds to the bending direction of the target light pattern.

[0079] Based on the second aspect, in the implementation of the option, the overlapping area between the second movable member and the cross-section of the first beam has a negative correlation with the length of the target light pattern.

[0080] Based on the second aspect, in the implementation of the option, the target light pattern corresponds to an operation trigger event, and the operation trigger event includes at least one of navigation information, driving assistance information, and head unit data.

[0081] Based on the second aspect, in the implementation of the option, the target light pattern corresponds to an operation trigger event, and the operation trigger event is at least one of the following: the form of the route on which the vehicle is to travel, the dimensions of the route on which the vehicle is to travel, the driving determination of the vehicle's advanced driving assistance system ADAS, the brightness of the environment in which the vehicle is located, or the distance between the vehicle and an adjacent vehicle.

[0082] Based on the second aspect, in the implementation of the option, the overlapping area between the second movable member and the cross-section of the first beam has a negative correlation with the vehicle speed.

[0083] Based on the second aspect, in the implementation of the option, the sum of the overlapping region between the first movable member and the cross-section of the first beam and the overlapping region between the third movable member and the cross-section of the first beam is negatively correlated with the vehicle speed.

[0084] Based on the second aspect, in the implementation of the option, the target light pattern corresponds to a driving trigger event, the driving trigger event is that there is an object that will be recognized around the vehicle, the target light pattern covers at least the target area, and the target area is the area occupied by the object that will be recognized.

[0085] Based on the second aspect, in the implementation of the option, the light module further includes a lens group. The cross-section of the second beam emitted from the shielding assembly is trapezoidal. The lens group is located on the transmission optical path of the second beam emitted from the shielding assembly. The lens group is configured to display the second beam from the shielding assembly on the path of the target light pattern, and the target light pattern is rectangular.

[0086] Based on the second aspect, in the implementation of the option, the distance between the light source assembly and the lens group is greater than the equivalent focal length of the lens group.

[0087] Based on the second aspect, in the implementation of the option, the trapezoid has an upper base and a lower base, the length of the upper base is greater than the length of the lower base, and the narrow angles between the first movable member and the second movable member and between the third movable member and the second movable member are both equal to the narrow angle between the leg of the trapezoid and the upper base.

[0088] Based on the second aspect, in the implementation of the option, the drive assembly adjusts the narrow angles between the first movable member and the second movable member and between the third movable member and the second movable member to adjust the narrow angle between the leg of the trapezoid formed by the cross-section of the second beam emitted from the shielding assembly and the upper base.

[0089] Based on the second aspect, in an optional implementation, the light module further includes a reflector. The cross-section of the second beam radiated from the shielding assembly is rectangular. The reflector is located on the transmission optical path of the second beam radiated from the shielding assembly. The reflector is configured to display the second beam from the shielding assembly on the path of the target light pattern, and the target light pattern is rectangular.

[0090] Based on the second aspect, in an optional implementation, the light module further includes a lens group. The lens group may be located between the shielding assembly and the reflector, or the lens group may be located between the lens group and the light exit of the light module.

[0091] Based on the second aspect, in an optional implementation, the reflecting surface of the reflector is an arbitrary curved surface.

[0092] Based on the second aspect, in an optional implementation, the vehicle light module may be located in front of the vehicle to display the target light pattern on the path in front of the vehicle; and / or the vehicle light module may be located on the side of the vehicle (e.g., the left side or the right side) to display the target light pattern on the side of the vehicle; and / or the vehicle light module may be located behind the vehicle to display the target light pattern behind the vehicle.

[0093] Based on the second aspect, in an optional implementation, a driving command is obtained based on a preset list, and the preset list includes the correspondence between the vehicle speed range and the length range of the target light pattern.

[0094] Based on the second aspect, in the implementation of the option, when the vehicle speed range is greater than 0 km / h and less than 20 km / h, the length range of the target light pattern is greater than 0 m and less than 10 m. When the vehicle speed range is 20 km / h or more and less than 40 km / h, the length range of the target light pattern is 10 m or more and less than 20 m. When the vehicle speed range is 40 km / h or more and less than 60 km / h, the length range of the target light pattern is 20 m or more and less than 40 m. When the vehicle speed range is 60 km / h or more and less than 80 km / h, the length range of the target light pattern is 40 m or more and less than 50 m. When the vehicle speed range is 80 km / h or more and less than 120 km / h, the length range of the target light pattern is 50 m or more and less than 60 m. When the vehicle speed range is 120 km / h or more, the length range of the target light pattern is 60 m or more and 80 m or less.

[0095] The third aspect of the embodiments of the present application provides a vehicle. The vehicle includes a lighting system according to any implementation of the second aspect.

Brief Description of the Drawings

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Figure 13b

Mode for Carrying Out the Invention

[0115] The following clearly describes the technical solutions in the embodiments of the present application with reference to the accompanying drawings of the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall be included in the protection scope of the present application.

[0116] First, the vehicle to which the present application is applied will be described. FIG. 1 is a functional block diagram of an embodiment of a vehicle according to the present application. In one embodiment, the vehicle 100 is configured to be in a fully autonomous driving mode or a partially autonomous driving mode. For example, the vehicle 100 can control the vehicle 100 in the autonomous driving mode, can use manual operation to determine the current state of the vehicle and the surrounding environment of the vehicle, can determine the possible behaviors of at least one other vehicle in the surrounding environment, can determine a confidence level corresponding to the possibility that the other vehicle will execute the possible behavior, and can control the vehicle 100 based on the determined information. When the vehicle 100 is in the autonomous driving mode, the vehicle 100 may be driven without man-machine interaction. The vehicle 100 may include various systems, and each system may include a plurality of elements. Further, all systems and elements of the vehicle 100 may be interconnected with each other by wire or wirelessly.

[0117] The vehicle described in the embodiment includes a sensor system 120, and the sensor system 120 may include several sensors that sense information about the surrounding environment of the vehicle 100. For example, the sensor system 120 may include a positioning system 121 (the positioning system is a global positioning system (GPS), a Beidou system, or other positioning systems), an inertial measurement unit (IMU) 122, a radar 123, a lidar 124, and a camera 125. The sensor system 120 may further include sensors of the internal systems of the vehicle 100 to be monitored (for example, an in-vehicle air quality monitor, a fuel gauge, and an oil temperature gauge). Sensor data from one or more of these sensors can be used to detect objects and corresponding features of the objects (position, shape, direction, speed, etc.). Such detection and recognition are important functions for the safe operation of the autonomous vehicle 100. The positioning system 121 may be configured to estimate the geographical location of the vehicle 100. The IMU 122 is configured to sense changes in the position and orientation of the vehicle 100 based on inertial acceleration. In one embodiment, the IMU 122 may be a combination of an accelerometer and a gyroscope. The radar 123 can sense objects in the surrounding environment of the vehicle 100 using radio signals. In some embodiments, in addition to sensing objects, the radar 123 can be further configured to sense the speed and / or the direction of travel of the objects. In the embodiment, the specific type of the radar 123 is not limited. For example, the radar 123 may be a millimeter-wave radar or a lidar. The lidar 124 can sense objects in the environment where the vehicle 100 is located by using a laser. In some embodiments, the lidar 124 may include one or more laser sources, a laser scanner, one or more detectors, and other system components. The camera 125 may be configured to capture a plurality of images of the surrounding environment of the vehicle 100. The camera 125 may be a stationary camera, a video camera, a monocular / binocular camera, or an infrared imager.

[0118] Vehicle 100 further includes an advanced driving assistance system (ADAS) 110. During vehicle operation, ADAS 110 can always sense the surrounding environment, collect data, identify, detect, and track static and dynamic objects, and perform system computing and analysis based on navigation map data. In this way, the driver can recognize all potential risks in advance, improving the comfort and safety of vehicle operation. For example, ADAS 110 can control the vehicle based on data obtained by the sensing system 120. As another example, ADAS 110 can control the vehicle based on head unit data. The head unit data can be main data (such as fuel consumption, engine speed, temperature, etc.), vehicle speed information, steering angle information, vehicle body attitude data on the vehicle dashboard, and so on.

[0119] ADAS 110 can control the vehicle in one or more of the following ways:

[0120] ADAS 110 adjusts the traveling direction of vehicle 100. ADAS 110 controls the operating speed of the vehicle's engine and controls the speed of vehicle 100. ADAS 110 operates the images captured by camera 125 to identify objects and / or features in the surrounding environment of vehicle 100. In some embodiments, ADAS 110 can be configured to map the environment, track objects, estimate the speed of objects, and so on. ADAS 110 determines the driving route of vehicle 100. In some embodiments, ADAS 110 can determine the driving route of vehicle 100 by referring to one or more fragments of predetermined map data from the sensing system 120. ADAS 110 can identify, evaluate, and avoid or otherwise cross potential obstacles within the environment of vehicle 100.

[0121] Vehicle 100 interacts with external sensors, another vehicle, another computer system, or a user via the peripheral device 130. The peripheral device 130 can include a wireless communication system 131, an in-vehicle computer 132, a microphone 133, and / or a speaker 134.

[0122] In some embodiments, the peripheral device 130 provides means for a user of the vehicle 100 to interact with the user interface. For example, the in-vehicle computer 132 can provide information to the user of the vehicle 100. The user interface can further be used to operate the in-vehicle computer 132 to receive user input. The in-vehicle computer 132 can perform operations by using a touch screen. In another case, the peripheral device 130 can provide means for the vehicle 100 to communicate with another device within the vehicle. For example, the microphone 133 can receive voice (e.g., a voice command or another audio input) from the user of the vehicle 100. Similarly, the speaker 134 can output voice to the user of the vehicle 100.

[0123] The wireless communication system 131 can wirelessly communicate with one or more devices directly or via a communication network. For example, the wireless communication system 131 can use third-generation (3 rd -generation, 3G) mobile communication technologies for cellular communication such as code division multiple access (CDMA), global system for mobile communications (GSM), or general packet radio service (GPRS) technology. The wireless communication system 131 can use fourth-generation mobile communication technology (the 4 th generation mobile communication technology, 4G) such as long term evolution (LTE) for cellular communication. The wireless communication system 131 can further use fifth-generation mobile communication technology (5 thThe (e.g., 5G) generation mobile communication technology can be used. The wireless communication system 131 can use a wireless local area network (WLAN) for communication. In some embodiments, the wireless communication system 131 can communicate directly with a device via an infrared link, Bluetooth (registered trademark), or ZigBee (registered trademark) protocol. Alternatively, the wireless communication system 131 can use various vehicle communication systems. For example, the wireless communication system 131 can include one or more dedicated short-range communication (DSRC) devices that can include public and / or private data communication between a vehicle and / or a roadside station.

[0124] Some or all of the functions of the vehicle 100 are controlled by the computer system 140. The computer system 140 can control the functions of the vehicle 100 based on inputs received from various systems (e.g., the sensing system 120, the ADAS 110, and the peripheral device 130) and the user interface. The computer system 140 can include at least one processor 141 that executes instructions stored in a non-transitory computer-readable medium such as the memory 142. Alternatively, the computer system 140 can be a plurality of computing devices that control individual components or subsystems of the vehicle 100 in a distributed manner.

[0125] In an embodiment, the type of the processor 141 is not limited. For example, the processor 141 may be one or more field-programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), system on chips (SoCs), central processor units (CPUs), network processors (NPs), digital signal processing circuits (digital signal processors, DSPs), microcontrollers (microcontroller units, MCUs), programmable controllers (programmable logic devices, PLDs), or another integrated chip, or any combination of the foregoing chips or processors. The processor 141 may be located within the vehicle, or the processor 141 may be located at a location far from the vehicle and perform wireless communication with the vehicle.

[0126] In some embodiments, the memory 142 may include instructions (e.g., program logic). The instructions may be executed by the processor 141 to perform various functions of the vehicle 100. In addition to the instructions, the memory 142 may further store data such as map data, route information, and vehicle data such as the position, direction, speed, and other vehicle data of the vehicle. The information stored in the memory 142 may be used by the vehicle 100 and the computer system 140 during the operation of the vehicle 100 in autonomous mode, semi-autonomous mode, and / or manual mode.

[0127] The vehicle 100 described in the embodiment further includes a vehicle light module 150. The beam emitted by the vehicle light module 150 can display a target light pattern on the path around the vehicle 100. Hereinafter, with reference to each embodiment, the specific configuration of the vehicle light module 150 will be described. The light module described in the embodiment may not be used for a vehicle, and may be used for a moving tool such as a ship, an airplane, or a helicopter.

[0128] FIG. 2 is a schematic diagram showing the configuration of a first embodiment of a vehicle light module according to the present application. The vehicle light module 200 includes a light source assembly 201, a drive assembly 202, and a shielding assembly 203.

[0129] The light source assembly 201 is configured to send a first beam to the shielding assembly 203. The light source assembly 201 described in this embodiment includes a light source. In this embodiment, the specific type of the light source is not limited. For example, the light source can be a halogen lamp, a light-emitting diode (LED), a laser, an ultra-high pressure mercury lamp, or a xenon lamp. The light source assembly 201 further includes a drive unit connected to the light source, and the drive unit is configured to drive the light source to emit light. Optionally, the light source assembly 201 may further include a light homogenization member. The light homogenization member is located on the transmission optical path of the beam emitted by the light source. The light homogenization member is configured to receive the beam from the light source, homogenize the beam, and then send the first beam to the shielding assembly 203 to ensure that the first beam is in a state where the light irradiation field is uniformly distributed. The light homogenization member can be an optical element made of a phosphor, a light guide rod, a compound eye lens (compound eye), an optical waveguide, an optical fiber, a hollow transmission module whose peripheral surfaces are covered with reflectors, etc. This is not particularly limited in this embodiment.

[0130] The shielding assembly 203 is located on the transmission optical path of the first beam. It can be seen that part or all of the first beam can irradiate the shielding assembly 203.

[0131] The drive assembly 202 described in this embodiment is connected to the shielding assembly 203. The drive assembly 202 can drive the shielding assembly 203 to move. The type of the drive assembly 202 is not particularly limited in this embodiment as long as the drive assembly 202 can drive the shielding assembly 203 to move. For example, the drive assembly 202 can be a stepping motor, a servo motor, or the like.

[0132] When the drive assembly 202 drives the shielding assembly 203 to move, the relative position between the shielding assembly 203 and the beam can be changed. Different relative positions between the shielding assembly 203 and the first beam can enable the second beam emitted from the shielding assembly 203 to have different light patterns.

[0133] In order to achieve the purpose of being able to display the second beam emitted from the light module 200 on the path around the vehicle in a target light pattern, it can be seen that the drive assembly 202 drives the shielding assembly 203 to move, changes the relative position between the shielding assembly 203 and the first beam, and as a result, the second beam emitted from the shielding assembly 203 can be displayed on the path around the vehicle in a target light pattern.

[0134] In this embodiment, in order to achieve the purpose of adjusting different target light patterns displayed on the path by the second beam emitted by the light module 200, it can be seen that different relative positions between the shielding assembly 203 and the first beam can be adjusted. The different target light patterns can be at least one of the following: The shape of the target light pattern (e.g., rectangle or arc), the length of the target light pattern, the width of the target light pattern, the bending direction of the target light pattern, the bending of the target light pattern, etc.

[0135] Hereinafter, some optional configurations of the shielding assembly 203 will be described.

[0136] Option Configuration 1

[0137] Regarding this configuration, refer to FIG. 3. FIG. 3 is a schematic diagram of the configuration of a second embodiment of the light module according to the present application. The light source assembly 201 sends a first beam to the shielding assembly 310, and the shielding assembly 310 is configured to adjust the cross-sectional shape of the first beam. It is understood that the cross-section of the first beam is a cross-section along a direction perpendicular to the transmission direction of the first beam. The transmission direction of the first beam is the X direction shown in FIG. 3, and the direction perpendicular to the transmission direction of the first beam is the Y direction shown in FIG. 3.

[0138] The shielding assembly 310 changes the shape of the cross-section of the second beam emitted from the shielding assembly 310 by changing the relative position between the shielding assembly 310 and the first beam. For the description of the cross-section of the second beam, refer to the above description of the cross-section of the first beam. Details will not be described again.

[0139] In this embodiment, the cross-sectional shape of the second beam emitted from the shielding assembly 310 is associated with the target light pattern formed on the path by the second beam emitted by the vehicle light module. In this example, the target light pattern is rectangular and the cross-section of the second beam is trapezoidal.

[0140] Therefore, the cross-sectional shape of the second beam radiated from the shielding assembly 310 in this example refers to the trapezoid 302 shown in FIG. 3. Specifically, the second beam is transmitted in a direction perpendicular to the plane YZ. The plane YZ is a plane including the Y direction and the Z direction, and the Z direction is perpendicular to both the X direction and the Y direction. It can be seen that the cross-section of the second beam is a cross-section along the plane YZ. In the plane YZ, the cross-section of the second beam is trapezoidal. Also, in order to ensure that the second beam is displayed as a rectangular target light pattern on the path 301, in the plane YZ, the trapezoid 302 includes an upper base and a lower base. In the plane YZ, the upper base is located above the lower base, and the length of the upper base is greater than the length of the lower base. The trapezoid 302 shown in this configuration may be an isosceles trapezoid.

[0141] The specific shape of the cross-section of the first beam is not limited in this embodiment. For example, the cross-section of the first beam radiated by the light source assembly 201 may be trapezoidal or rectangular. In this embodiment, by using the shielding assembly 310, the cross-section of the first beam is changed to the trapezoid 302 formed by the cross-section of the second beam.

[0142] The lens group 303 is further included in the transmission optical path of the second beam. The lens group 303 described in this embodiment includes one lens. In this embodiment, the number of lenses included in the lens group 303 is not limited. The distance between the light source assembly 201 and the lens group 303 described in this embodiment is greater than the equivalent focal length of the lens group 303 in order to ensure that an inverted and enlarged real image is formed after the beam radiated by the light source assembly 201 passes through the lens group 303. Specifically, since the shielding assembly 310 is located between the light source assembly 201 and the lens group 303, the lens group 303 can receive the second beam that is from the shielding assembly 310 and has a trapezoidal cross-section, and the second beam passing through the lens group 303 can become a trapezoid 305 at the imaging position 304. Also, in the plane YZ, the trapezoid 305 is formed by inverting and enlarging the trapezoid 302.

[0143] The path described in this embodiment is located between the lens group 303 and the imaging position 304, and the path 301 is located on the transmission optical path of the second beam radiated from the lens group 303. It can be seen that the second beam forms a real image on the path 301 due to the block of the path 301. Also, the lengths projected by the upper base of the trapezoid 302 and the lower base of the trapezoid 302 on the path 301 are equal. It can be seen that the trapezoid 302 is projected onto the path 301 to display a rectangle.

[0144] The vehicle light module according to this embodiment can adjust the length and / or width of the rectangle displayed on the path 301. In this embodiment, the dimensions of the cross-section of the second beam radiated from the shielding assembly 310 can be adjusted in order to achieve the purpose of adjusting the length and / or width of the rectangle displayed on the path 301. Therefore, the process of adjusting the cross-section of the second beam by the shielding assembly 310 will be described below.

[0145] For the specific configuration of the shielding assembly 310 described in this example, please refer to FIGS. 4a and 4b. FIG. 4a is a schematic view from the perspective of the plane YZ of the configuration of the shielding assembly 310. FIG. 4b is a schematic view from the perspective of the plane XZ of the configuration of the shielding assembly 310.

[0146] Specifically, the shielding assembly 310 includes a first movable member 401, a second movable member 402, and a third movable member 403. The first movable member 401, the second movable member 402, and the third movable member 403 are all connected to the drive assembly 202 to ensure that the drive assembly 202 can drive the first movable member 401, the second movable member 402, and the third movable member 403 to move. In this embodiment, the second movable member 402 is located between the first movable member 401 and the third movable member 403. The first movable member 401 and the third movable member 403 are located on two side portions of the first beam. The first movable member 401, the second movable member 402, and the third movable member 403 in this embodiment are all movable members irradiated by the first beam.

[0147] The drive assembly 202 described in this embodiment adjusts the narrow angle between the first movable member 401 and the second movable member 402 and the narrow angle between the third movable member 403 and the second movable member 402, so as to adjust the narrow angle between the leg and the upper base of the trapezoid 302 formed by the cross-section of the second beam, and ensure that the target light pattern displayed on the path of the second beam is in a rectangular structure.

[0148] Also, in the process of the drive assembly 202 passing through the shielding assembly 310, the first beam can only pass through the optical transmission region 404, and the second beam passing through the optical transmission region 404 is used to form the target light pattern. In order to ensure that the cross-section of the second beam is trapezoidal, the shape of the optical transmission region 404 described in this embodiment is the same trapezoid as the cross-section of the second beam. In this embodiment, in order to ensure that the first beam only passes through the optical transmission region 404 to form the second beam, the optical transmission region 404 is a region jointly defined by the first movable member 401, the second movable member 402, and the third movable member 403 in the plane YZ. If so, the specific shape of the cross-section of each movable member in the plane YZ is not limited.

[0149] In the plane YZ, the narrow angle between the first movable member 401 and the second movable member 402 and the narrow angle between the third movable member 403 and the second movable member 402 are both equal to the narrow angle between the leg and the upper base of the trapezoid 302. It can be seen that the shielding assembly 310 using such a configuration can ensure that the cross-section of the emitted second beam has the structure of the trapezoid 302.

[0150] To ensure the stability of the structure of the target light pattern presented by the second beam on the path, the first movable member 401 can move left or right along the Z direction. During the process in which the first movable member 401 moves, the narrow angle between the first movable member 401 and the second movable member 402 does not change. Similarly, along the Z direction, the third movable member 403 can move left or right, and during the process in which the third movable member 403 moves, the narrow angle between the third movable member 403 and the second movable member 402 remains unchanged, ensuring that the target light pattern is always in a rectangular structure during the driving process of the vehicle.

[0151] The drive assembly 202 described in this embodiment can further adjust the length of the target light pattern by adjusting the overlapping area between the second movable member 402 and the cross-section of the first beam. Therefore, the drive assembly 202 can be adjusted to move the second movable member 402 up or down along the Y direction to change the height of the trapezoid 302 formed by the cross-section of the second beam. The height of the trapezoid 302 is in a positive correlation with the length of the target light pattern, and the length of the target light pattern is the length of the target light pattern along the extension direction of the path. It can be seen that the higher the trapezoid 302, the longer the target light pattern, and the lower the trapezoid 302, the shorter the target light pattern.

[0152] Specifically, during the process in which the second movable member 402 moves up or down, the overlapping area between the second movable member 402 and the cross-section of the first beam changes, and the height of the trapezoid 302 changes. Specifically, the larger the overlapping area, the more light is blocked by the second movable member 402 in the Y direction, indicating that the trapezoid 302 formed by the cross-section of the second beam emitted from the shielding assembly 310 is lower. Similarly, the smaller the overlapping area, the less light is blocked by the second movable member 402 in the Y direction, indicating that the trapezoid 302 formed by the cross-section of the second beam emitted from the shielding assembly 310 is higher.

[0153] For example, the distance that the second movable member 402 moves upward along the Y direction has a positive correlation with the height of the optical transmission region 404 along the Y direction. The height of the optical transmission region 404 along the Y direction has a positive correlation with the height of the trapezoid 302 formed by the cross-section of the second beam. When the second movable member 402 moves upward along the Y direction, the amount of light blocked by the second movable member 402 decreases, the height of the optical transmission region 404 along the Y direction increases, and it can be seen that the height of the trapezoid 302 formed by the cross-section of the second beam radiated from the optical transmission region 404 increases. Similarly, when the second movable member 402 moves downward along the Y direction, the amount of light blocked by the second movable member 402 increases, the height of the optical transmission region 404 along the Y direction decreases, and the height of the trapezoid 302 formed by the cross-section of the second beam radiated from the optical transmission region 404 decreases.

[0154] Referring to FIGS. 4a and 4b, as shown in FIG. 4b, an example is used in which the first movable member 401 and the third movable member 403 are located in front of the second movable member 402 along the X direction. In this example, the second movable member 402 is adjusted to move up or down to adjust the height of the trapezoid 302, but this is not limiting. In other examples, the height of the trapezoid 302 can alternatively be adjusted by adjusting the second movable member 402 to move forward or backward along the X direction. When the first beam emitted by the light source assembly 201 has a specific divergence angle, the length of the target light pattern can be adjusted by adjusting the second movable member 402 to move along the X direction. For example, along the X direction, the distance between the second movable member 402 and the first movable member 401 (or the third movable member 403) is negatively correlated with the height of the trapezoid 302 formed by the cross-section of the second beam. When the second movable member 402 moves to a position farther from the first movable member 401 along the X direction (for example, as shown in FIG. 4b, the second movable member 402 moves upward in the XZ plane), it can be seen that the amount of light blocked by the second movable member 402 decreases and the height of the light transmission region 404 along the Y direction increases. Similarly, when the second movable member 402 moves to a position closer to the first movable member 401 along the X direction (for example, as shown in FIG. 4b, the second movable member 402 moves downward in the XZ plane), the amount of light blocked by the second movable member 402 increases and the height of the light transmission region 404 in the Y direction decreases.

[0155] Referring to FIGS. 4a - 4c, as shown in FIG. 4c, an example is used where the first movable member 401 and the third movable member 4403 are located behind the second movable member 402 along the X direction. In this example, the second movable member 402 is adjusted to move up or down to adjust the height of the trapezoid 302, but this is not limiting. In another example, the height of the trapezoid 302 can alternatively be adjusted by adjusting the second movable member 402 to move forward or backward along the X direction. When the first beam emitted by the light source assembly 201 has a specific divergence angle, the length of the target light pattern can be adjusted by adjusting the second movable member 402 to move along the X direction. For example, along the X direction, the distance between the second movable member 402 and the light source assembly is negatively correlated with the height of the trapezoid 302 formed by the cross-section of the second beam. When the second movable member 402 moves to a position far from the light source assembly along the X direction (for example, as shown in FIG. 4b, the second movable member 402 moves upward within the plane XZ), it can be seen that the light blocked by the second movable member 402 decreases and the height of the light transmission region 404 along the Y direction increases. Similarly, when the second movable member 402 moves to a position close to the light source assembly along the X direction (for example, as shown in FIG. 4b, the second movable member 402 moves downward within the plane XZ), the light blocked by the second movable member 402 increases and the height of the light transmission region 404 along the Y direction decreases.

[0156] In this embodiment, an example where the second movable member 402 is located above the first movable member 401 and the third movable member 403 is used. In another example, the second movable member 402 may alternatively be located below the first movable member 401 and the third movable member 403. For an explanation of the method of adjusting the length of the target light pattern by the second movable member 402 located below the first movable member 401 and the third movable member 403, refer to the explanation of the method of adjusting the length of the target light pattern by the second movable member 402 located above the first movable member 401 and the third movable member 403. Details will not be described again.

[0157] In this embodiment, the description of the number of movable members included in the shielding assembly 203 is an optional example and is not limited thereto. In other examples, in the plane YZ, the shielding assembly may further include a fourth movable member, and the first movable member and the fourth movable member are located on the upper and lower sides of the first beam, and the second movable member and the third movable member are located on the left and right sides of the first beam. In this example, the length of the target light pattern can be adjusted by adjusting the distance between the first movable member and the fourth movable member. In other words, the distance between the first movable member and the fourth movable member has a positive correlation with the length of the target light pattern. In other words, the greater the distance between the first movable member and the fourth movable member, the less light is blocked between the first movable member and the fourth movable member, indicating a long target light pattern. Similarly, the smaller the distance between the first movable member and the fourth movable member, the more light is blocked between the first movable member and the fourth movable member, indicating a short target light pattern. The first movable member, the second movable member, the third movable member, and the fourth movable member in this embodiment are all movable members irradiated by the first beam.

[0158] The drive assembly 202 described in this embodiment can further adjust the width of the target light pattern. To that end, along the Z direction, the drive assembly 202 can adjust the overlapping region between the first movable member and the cross-section of the first beam, and / or can adjust the overlapping region between the third movable member and the cross-section of the first beam. For example, the distance between the first movable member 401 and the third movable member 403 can be adjusted to change the width of the target light pattern presented by the second beam on the path.

[0159] Specifically, when the first beam is irradiated on both the first movable member 401 and the third movable member 403, the width of the target light pattern is in a positive correlation with the distance between the first movable member 401 and the third movable member 403. In other words, since the first movable member 401 and the third movable member 403 move toward each other along the Z direction, the distance between the first movable member 401 and the third movable member 403 along the Z direction becomes shorter. In other words, more light is blocked in the Z direction by the first movable member 401 and the third movable member 403, indicating a target light pattern with a smaller width. Similarly, since the first movable member 401 and the third movable member 403 move in the opposite direction along the Z direction, the distance between the first movable member 401 and the third movable member 403 along the Z direction becomes larger. In other words, it indicates that less light is blocked by the first movable member 401 and the third movable member 403 in the Z direction, showing a target light pattern with a larger width.

[0160] This embodiment is described using an example in which the first movable member 401 and the third movable member 403 are moved simultaneously. In another example, only the first movable member 401 or the third movable member 403 can be moved to adjust the width of the target light pattern. In other words, along the Z direction, the larger the width of the light transmission region, the larger the width of the target light pattern shown, and the smaller the width of the light transmission region, the smaller the width of the target light pattern shown.

[0161] In this embodiment, it can be seen that the first movable member 401, the second movable member 402, and the third movable member 403 can be moved to adjust the length and / or width of the target light pattern.

[0162] Optional Configuration 2

[0163] Regarding this configuration, please refer to FIG. 5. FIG. 5 is a schematic diagram showing the configuration of a third embodiment of the light module according to the present application. The light source assembly 201 sends a first beam to the shielding assembly 501, and the shielding assembly 501 is configured to adjust the shape of the light emission surface of the first beam. It can be seen that the light emission surface of the first beam is the cross-section of the first beam along the direction perpendicular to the transmission direction of the first beam. The transmission direction of the first beam is the X direction shown in FIG. 5, and the direction perpendicular to the transmission direction of the first beam is the Y direction.

[0164] The shielding assembly 501 changes the cross-sectional shape of the second beam emitted from the shielding assembly 501 by changing the relative position between the shielding assembly 501 and the first beam. For the description of the cross-section of the second beam, please refer to the description of the cross-section of the first beam described above. Details will not be described again.

[0165] In this embodiment, the cross-sectional shape of the second beam emitted from the shielding assembly 501 is associated with the target light pattern formed on the path by the second beam emitted by the vehicle light module. In this example, the target light pattern is rectangular, and the cross-section of the second beam is also rectangular.

[0166] In this embodiment, the specific shape of the cross-section of the first beam is not limited. For example, the cross-section of the first beam emitted by the light source assembly 201 can be any shape such as trapezoidal, rectangular, circular, etc. In this embodiment, the shielding assembly 501 changes the cross-section of the first beam to a rectangular cross-section of the second beam.

[0167] The reflector 502 is further included in the transmission optical path of the second beam. The reflector 502 described in this embodiment is configured to deflect the transmission direction of the second beam from the shielding assembly 501 toward the light exit 503 of the vehicle light module, ensuring that the second beam emitted from the light exit 503 can be displayed as a target light pattern 504 on the path. The specific type of the reflector 502 is not limited in this embodiment as long as it can project the second beam from the shielding assembly 501 onto the path through the light exit 503 and display the second beam as a target light pattern. In this embodiment, the specific shape of the reflecting surface of the reflector 502 is not limited. For example, the reflecting surface of the reflector 502 can be any curved surface, flat surface, spherical surface, or aspherical surface.

[0168] Optionally, the light module described in this example further includes a lens group. The lens group can be located between the shielding assembly 501 and the reflector 502, or the lens group can be located between the lens group and the light exit 503. The lens group is configured to ensure that an enlarged real image is formed on the path after the beam emitted by the light source assembly 201 passes through the lens group. For a specific description of the lens group, refer to the aforementioned optional configuration 1. Details will not be described again.

[0169] The reflector 502 described in this embodiment is located on the transmission optical path of the second beam emitted from the shielding assembly 501, and the cross-section of the second beam is rectangular. In this embodiment, by setting the curvature of the reflector 502, the shape of the target light pattern can be ensured. In this embodiment, an example where the shape of the target light pattern is rectangular is used for illustration. In another example, by changing the curvature of the reflector 502, the shape of the target light pattern can also be changed. For example, the shape of the target light pattern can be changed to any shape such as an arc or a circle.

[0170] The vehicle light module described in this embodiment can adjust the length and / or width of the rectangle displayed on the path. In this embodiment, the dimensions of the cross-section of the second beam emitted from the shielding assembly 501 can be adjusted to achieve the purpose of adjusting the length and / or width of the rectangle displayed on the path. Therefore, the process of adjusting the cross-section of the second beam by the shielding assembly 501 will be described below.

[0171] For the specific configuration of the shielding assembly 501 described in this example, please refer to FIG. 6. FIG. 6 is a schematic diagram of the configuration of the shielding assembly 501 viewed from the plane YZ. The plane YZ is a plane perpendicular to the X direction.

[0172] Specifically, the shielding assembly 501 includes a first movable member 601, a second movable member 602, and a third movable member 603. The first movable member 601, the second movable member 602, and the third movable member 603 are all connected to the drive assembly 202 to ensure that the drive assembly 202 can drive the first movable member 601, the second movable member 602, and the third movable member 603 to move. The second movable member 602 described in this embodiment is located between the first movable member 601 and the third movable member 603. The first movable member 601 and the third movable member 603 are located on two side portions of the first beam. Also, in order to realize the rectangular configuration of the target light pattern, the first movable member 601 and the third movable member 603 are both perpendicular to the second movable member 602.

[0173] Also, in the process that the drive assembly 202 passes through the shielding assembly 501, the first beam can only pass through the optical transmission region 604, and the second beam that has passed through the optical transmission region 604 is used to form the target light pattern. To ensure that the cross-section of the second beam is rectangular, the shape of the optical transmission region 604 described in this embodiment is the same rectangle as the cross-section of the second beam. In this embodiment, to ensure that the first beam can only pass through the optical transmission region 604 to form the second beam, on the condition that the optical transmission region 604 is a region jointly defined in the YZ plane by the first movable member 601, the second movable member 602, and the third movable member 603, the specific shape of the cross-section of each movable member in the YZ plane is not limited.

[0174] The drive assembly 202 described in this embodiment can further adjust the length of the target light pattern by adjusting the overlapping region between the second movable member 602 and the cross-section of the first beam. Therefore, the drive assembly 202 can adjust the second movable member 602 to move up or down along the Y direction to change the length of the rectangle formed by the cross-section of the second beam. The length of the rectangle has a positive correlation with the length of the target light pattern, and the length of the target light pattern is the length of the target light pattern along the extension direction of the path. It can be seen that the longer the rectangle, the longer the target light pattern, and the shorter the rectangle, the shorter the target light pattern.

[0175] Specifically, in the process that the second movable member 602 moves up or down, the overlapping region between the second movable member 602 and the cross-section of the first beam changes, and the length of the rectangle changes. Specifically, the larger the overlapping region, the more light is blocked by the second movable member 602 in the Y direction, and further, it indicates that the rectangle formed by the cross-section of the second beam radiated from the shielding assembly is long. Similarly, the smaller the overlapping region, the less light is blocked by the second movable member 602 in the Y direction, and it indicates that the rectangle formed by the cross-section of the second beam radiated from the shielding assembly is long.

[0176] For example, the distance that the second movable member 602 moves upward along the Y direction has a positive correlation with the height of the optical transmission region 604 along the Y direction. The height of the optical transmission region 604 along the Y direction has a positive correlation with the length of the rectangle formed by the cross-section of the second beam. When the second movable member 602 moves upward along the Y direction, the amount of light blocked by the second movable member 602 decreases, the height of the optical transmission region 604 along the Y direction increases, and it can be seen that the length of the rectangle formed by the cross-section of the second beam radiated from the optical transmission region 604 increases. Similarly, when the second movable member 602 moves downward along the Y direction, the amount of light blocked by the second movable member 602 increases, the height of the optical transmission region 604 along the Y direction decreases, and the length of the rectangle formed by the cross-section of the second beam radiated from the optical transmission region 604 decreases.

[0177] In this example, a method of adjusting the second movable member 602 to move up or down is used to adjust the length of the rectangle, but this is not limiting. In another example, the length of the rectangle can also be adjusted by a method of adjusting the second movable member 602 to move forward or backward along the X direction. When the first beam radiated by the light source assembly 201 has a specific divergence angle, the length of the target light pattern can be adjusted by adjusting the second movable member 602 to move along the X direction. For example, along the X direction, the distance between the second movable member 602 and the first movable member 601 (or the third movable member 603) has a negative correlation with the length of the rectangle formed by the cross-section of the second beam. When the second movable member 602 moves to a position far from the first movable member 601 along the X direction, it can be seen that the amount of light blocked by the second movable member 602 decreases and the height of the optical transmission region 604 along the Y direction increases. Similarly, when the second movable member 602 moves to a position close to the first movable member 601 along the X direction, the amount of light blocked by the second movable member 602 increases and the height of the optical transmission region 604 along the Y direction decreases.

[0178] In this embodiment, an example in which the second movable member 602 is located above the first movable member 601 and the third movable member 603 is used. In another example, the second movable member 602 may alternatively be located below the first movable member 601 and the third movable member 603. For the description of the method of adjusting the length of the target light pattern by the second movable member 602 located below the first movable member 601 and the third movable member 603, refer to the method of adjusting the length of the target light pattern by the second movable member 602 located above the first movable member 601 and the third movable member 603. Details will not be described again.

[0179] In this present embodiment, the description of the number of movable members included in the shielding assembly is an optional example and is not limiting. In other examples, in the plane YZ, the shielding assembly may further include a fourth movable member, and the first movable member and the fourth movable member may be located above and below the first beam, and the second movable member and the third movable member may be located on the left and right sides of the first beam. In this example, the length of the target light pattern can be adjusted by adjusting the distance between the first movable member and the fourth movable member. In other words, the distance between the first movable member and the fourth movable member has a positive correlation with the length of the target light pattern. In other words, the greater the distance between the first movable member and the fourth movable member, the less light is blocked between the first movable member and the fourth movable member, indicating a long target light pattern. Similarly, the smaller the distance between the first movable member and the fourth movable member, the more light is blocked between the first movable member and the fourth movable member, indicating a short target light pattern.

[0180] The drive assembly 202 described in this embodiment can further adjust the width of the target light pattern. For this purpose, along the Z direction, the drive assembly 202 can adjust the overlapping area between the first movable member and the cross-section of the first beam, and / or adjust the overlapping area between the third movable member and the cross-section of the first beam. For example, the distance between the first movable member 601 and the third movable member 603 can be adjusted to change the width of the target light pattern presented by the second beam on the path.

[0181] Specifically, when the first beam is irradiated on both the first movable member 601 and the third movable member 603, the width of the target light pattern has a positive correlation with the distance between the first movable member 601 and the third movable member 603. In other words, since the first movable member 601 and the third movable member 603 move closer to each other along the Z direction, the distance between the first movable member 601 and the third movable member 603 along the Z direction becomes shorter. In other words, it indicates that more light is blocked by the first movable member 601 and the third movable member 603 in the Z direction, and the width of the target light pattern is narrow. Similarly, since the first movable member 601 and the third movable member 603 move in opposite directions along the Z direction, the distance between the first movable member 601 and the third movable member 603 along the Z direction becomes larger. In other words, it indicates that less light is blocked by the first movable member 601 and the third movable member 603 in the Z direction, and the width of the target light pattern is wide.

[0182] This embodiment is described using an example in which the first movable member 601 and the third movable member 603 are moved simultaneously. In another example, only the first movable member 601 or the third movable member 603 may be moved to adjust the width of the target light pattern. In other words, it indicates that along the Z direction, the wider the width of the light transmission region, the wider the width of the target light pattern, and the narrower the width of the light transmission region, the narrower the width of the target light pattern.

[0183] In this embodiment, the first movable member 601, the second movable member 602, and the third movable member 603 can be moved to adjust the length and / or width of the target light pattern.

[0184] Regarding the relative positions of the first movable member 601, the second movable member 602, and the third movable member 603 in the XZ plane in this embodiment, refer to the aforementioned optional configuration 1. Details will not be described again.

[0185] Optional Configuration 3

[0186] In Option Configuration 1 and Option Configuration 2, an example where the target light pattern displayed on the path is rectangular is used for the purpose of explanation. In this option configuration, the target light pattern has an arc shape configuration.

[0187] For example, regarding the configuration of the light module in the XY plane, refer to FIG. 3 or FIG. 5. In this example, an example where the configuration of the light module in the XY plane is shown in FIG. 3 is used for the purpose of explanation. Regarding the structure of the shielding assembly 310 of this example in the YZ plane, refer to FIG. 7a. In other words, as explained in this example, the length of the target light pattern can be adjusted by the position of the second movable member 702, and the width of the target light pattern can be adjusted by the positions of the first movable member 701 and the third movable member 703. For specific explanations, refer to the aforementioned Option Configuration 1. Details will not be explained again. The method for adjusting the bending direction of the target light pattern in this configuration can be as follows:

[0188] The light transmission region 704 defined by the first movable member 701, the second movable member 702, and the third movable member 703 of this embodiment is of a quadrilateral structure so as to ensure that the second beam radiated from the light transmission region 704 can form an arc-shaped target light pattern on the path.

[0189] As shown in FIG. 7a, in the YZ plane, the narrow angle between the first movable member 701 and the second movable member 702 has an acute angle structure. In this example, the target light pattern is bent along the first bending direction. As shown in FIG. 7b, in the YZ plane, the narrow angle between the first movable member 701 and the second movable member 702 has an obtuse angle structure. In this example, the target light pattern is bent along the second bending direction. The first bending direction is opposite to the second bending direction.

[0190] In this embodiment, the angle between the first movable member 701 and the second movable member 702 in the plane YZ can be adjusted to adjust the bending of the target light pattern. For example, in the example shown in FIG. 7a, in the example of being bent along the first bending direction, the smaller the angle between the first movable member 701 and the second movable member 702, the greater the bending of the target light pattern. In the example of being bent along the first bending direction, the larger the angle between the first movable member 701 and the second movable member 702, the smaller the bending of the target light pattern. For another example, in the example shown in FIG. 7b, in the example of being bent along the second bending direction, the smaller the angle between the first movable member 701 and the second movable member 702, the smaller the bending of the target light pattern. In the example of being bent along the second bending direction, the larger the angle between the first movable member 701 and the second movable member 702, the greater the bending of the target light pattern.

[0191] In the plane YZ of this structure, the shielding assembly may further include a fourth movable member, and the first movable member and the fourth movable member are located at the upper and lower portions of the first beam, and the second movable member and the third movable member are located at the left and right portions of the first beam. The light transmission region defined by the first movable member, the second movable member, the third movable member, and the fourth movable member is a quadrilateral structure.

[0192] The description of the structure of the shielding assembly in this embodiment may be an optional example, and it should be understood that this is not limited as long as the shielding assembly can adjust the cross-sectional shape of the second beam radiated from the shielding assembly. For example, in other examples, the shielding assembly may include only the aforementioned second movable member to adjust the length of the target light pattern. In other examples, the shielding assembly may include only the aforementioned first movable member and the third movable member to adjust the width of the target light pattern.

[0193] This application provides an illumination system. As shown in FIG. 8, the illumination system 800 includes a control unit 801 and the aforementioned vehicle light module 200. The control unit 801 is connected to the drive assembly 202, and the control unit 801 is configured to send a drive command to the drive assembly 202, and the drive command indicates a target light pattern. The drive assembly 202 is configured to move the shielding assembly 203 according to the drive command, so as to ensure that the second beam emitted from the shielding assembly 203 can be displayed in the path with the target light pattern. Specifically, the control unit 801 described in this embodiment is configured to obtain a drive command based on at least one of navigation information, driving assistance information, and head unit data. In this embodiment, an example in which the control unit 801 is located in the computer system 140 shown in FIG. 1 is used for illustration. It can be seen that the control unit 801 described in this embodiment can be one or more processors included in the computer system 140. In another example, the control unit 801 can be located inside the vehicle light module 200. This is not particularly limited in this embodiment.

[0194] This embodiment is described using an example in which the drive assembly 202 adjusts the target light pattern according to a drive command from the control unit 801. In another example, the driver may directly input a drive command to the drive assembly, and the driver may dynamically adjust the target light pattern according to the actual situation.

[0195] Based on the illumination system provided in this application, the following describes the process of adjusting the target light pattern by the illumination system described in this application. In this example, the target light pattern can be adjusted based on the vehicle speed. For specific description, please refer to FIG. 9.

[0196] Step 901: The control unit determines to activate the illumination system.

[0197] In this embodiment, the driver can input a turn-on command to activate the lighting system. For example, the control unit receives a turn-on command input by the driver by means such as voice input to the lighting system, touch gesture input to the vehicle cockpit screen, and pressing operations.

[0198] In other examples, when the control unit determines that the vehicle satisfies a trigger condition, it may determine to activate the lighting system. The trigger condition may be at least one of the following:

[0199] The current speed of the vehicle is equal to or greater than a first set value (for example, the first preset value may be 60 km / h), the brightness of the environment where the vehicle is currently located is equal to or less than a second set value (for example, the second preset value may be 50 lux), or the form of the route on which the vehicle is to travel changes, or the change in the vehicle speed is equal to or greater than a preset value.

[0200] The change in the form of the route on which the vehicle is to travel may be as follows: The route on which the vehicle is to travel indicates a switch of the vehicle from a straight-ahead direction to a turning state, or the route on which the vehicle is to travel indicates a switch from a turning state to a straight-ahead state, or the route on which the vehicle is to travel indicates that the vehicle is to travel to an intersection, or the route on which the vehicle is to travel indicates that the dimension of the lane boundary line changes (for example, the width of the lane boundary line changes).

[0201] The vehicle speed of the vehicle acquired by the vehicle at time point T1 is V1, and the vehicle speed of the vehicle acquired by the vehicle at time point T2 is V2. Time point T1 is the current time point, and time point T2 is earlier than time point T1. The fact that the change in the vehicle speed is equal to or greater than a preset value may be that the difference between V2 and V1 is equal to or greater than a preset value. For example, the preset value may be 10 km / h. It can be seen that when the change in the vehicle speed is 10 km / h or more, the lighting system is activated.

[0202] Step 902: The control unit acquires a drive command based on the vehicle speed.

[0203] The drive command indicates a target light pattern. The drive assembly can move the shielding assembly based on the drive command to ensure that the target light pattern displayed on the path by the beam emitted from the shielding assembly corresponds to the vehicle speed.

[0204] In this example, the control unit can determine the drive command based on the following two optional methods:

[0205] Method 1:

[0206] In this method, the control unit can acquire a correspondence list between the vehicle speed and the target light pattern shown in Table 1 below.

Table 1

[0207] It can be seen that the length of the target light pattern has a positive correlation with the vehicle speed. In other words, the higher the vehicle speed, the longer the target light pattern, and the lower the vehicle speed, the shorter the target light pattern.

[0208] For example, if the vehicle determines that the vehicle speed is 70 km / h, the vehicle can determine that the length of the corresponding target light pattern is 45 m. For another example, if the vehicle determines that the vehicle speed is greater than 120 km / h, the vehicle can determine that the length of the corresponding target light pattern is 80 m. The description of the correspondence between the vehicle speed and the length of the target light pattern in this embodiment is merely an example, and if the vehicle speed can be determined based on the length of the target light pattern, this is not limited.

[0209] Method 2:

[0210] In this method, the control unit can dynamically acquire the corresponding target light pattern based on the vehicle speed.

[0211] Specifically, the control unit acquires the current vehicle speed of the vehicle and acquires a target light pattern corresponding to the vehicle speed according to the following formula 1: Formula 1: The length L of the target light pattern = 50 + [(120 - current vehicle speed) / 40] × 10

[0212] It can be seen that the control unit can obtain the length of the corresponding target light pattern by substituting the current vehicle speed of the vehicle into Formula 1. It should be noted that the description of Formula 1 explained in this embodiment is an optional example, and this is not limited as long as the control unit can create a linear relationship between different vehicle speeds and different lengths of the target light pattern based on Formula 1.

[0213] Optionally, in this embodiment, the vehicle may periodically substitute the current vehicle speed of the vehicle into Formula 1. When the vehicle determines that the fluctuation of the vehicle speed is equal to or greater than a preset value, the vehicle substitutes the current vehicle speed of the vehicle into Formula 1 and so on.

[0214] It should be noted that in this embodiment, the vehicle speed has a positive correlation with the length of the target light pattern. In other examples, the vehicle speed may have a positive correlation with the width of the target light pattern. In other words, the higher the vehicle speed, the wider the width of the target light pattern, and the lower the vehicle speed, the narrower the width of the target light pattern.

[0215] Step 903: The control unit sends a drive command to the drive assembly.

[0216] The drive command in this embodiment indicates the target light pattern.

[0217] Step 904: The drive assembly drives to move the shielding assembly according to the drive command.

[0218] As described in this embodiment, in the process of driving the shielding assembly to move according to a driving command, it can be ensured that the second beam emitted from the driving assembly can form a target light pattern on the path. For the description of the process of driving the shielding assembly to move by the driving assembly to form a target light pattern, please refer to the foregoing embodiments. In this embodiment, the details will not be described.

[0219] Optionally, in this embodiment, in the process of adjusting the target light pattern, the driving assembly can drive the movable member included in the shielding assembly to move at a constant speed according to a driving command, so as to ensure that the shape of the target light pattern can change uniformly, thereby avoiding the influence on the driver, other vehicles or people on the path due to the change and sudden change of the target light pattern, and improving the driving safety.

[0220] Step 905: The beam emitted from the shielding assembly is displayed on the path as a target light pattern.

[0221] For the description of displaying the beam emitted from the shielding assembly on the path as a target light pattern, please refer to the foregoing description. The details will not be described again.

[0222] For better understanding, the following will be described using the example shown in FIG. 10. When the vehicle speed is 50 km / h, the length of the target light pattern indicated by the driving command sent to the driving assembly by the control unit is 30 m. As shown in FIG. 10a, the shielding assembly adjusts the length of the target light pattern 1001 to 30 m under the drive of the driving assembly. When the vehicle speed of the vehicle increases to 100 km / h, the length of the target light pattern indicated by the driving command sent to the driving assembly by the control unit is 60 m. As shown in FIG. 10b, the shielding assembly adjusts the length of the target light pattern 1002 to 60 m under the drive of the driving assembly.

[0223] In this embodiment, an example where the control unit adjusts the length and / or width of the target light pattern based on the vehicle speed is used for the purpose of explanation, but it should be noted that this is not limiting. The following will explain several optional methods for the control unit to obtain the target light pattern using examples.

[0224] Example 1

[0225] The control unit may determine the target light pattern based on the navigation information. Specifically, the navigation information may be a series of planar coordinates for the vehicle to reach the navigation destination. After sequentially passing through the planar coordinates included in the navigation information, it can be seen that the vehicle can successfully reach the destination. The control unit obtains the route that the vehicle will travel. The route that the vehicle will travel includes the j-th planar coordinate from the i-th planar coordinate at M coordinates, where both i and j are positive integers, i is 1 or more, and j is greater than i and less than or equal to M. The control unit determines the shape of the target light pattern based on the shape of the route that the vehicle will travel. For example, if the control unit determines that a plurality of planar coordinates included in the route that the vehicle will travel extend along a straight line direction, the control unit determines that the target light pattern is rectangular. As another example, if the control unit determines that a plurality of planar coordinates included in the route that the vehicle will travel extend along an arc direction, the control unit determines that the target light pattern is arc-shaped.

[0226] Example 2

[0227] The control unit can collect the route on which the vehicle in front will travel via the vehicle's camera and determine the target light pattern based on the route on which the vehicle will travel. Specifically, the control unit uses the camera to photograph the route on which the vehicle will travel in order to obtain a video stream containing information about the route on which the vehicle will travel. For a specific description of the camera, please refer to FIG. 1. Details will not be described again. The control unit receives the video stream from the camera. The control unit extracts the video frames included in the video stream. For example, the control unit can extract video frames from the video stream at a speed of 30 frames per second. It should be noted that in this embodiment, the speed at which the control unit extracts video frames is not limited. The faster the control unit extracts video frames, the higher the possibility of obtaining the latest information about the route on which the vehicle will travel. However, the slower the control unit extracts video frames, the more power of the processor can be saved.

[0228] In a specific application, the control unit can determine the speed at which to extract video frames based on the complexity of the current road conditions. For example, when the current driving road conditions are complex (for example, the form of the route on which the vehicle will travel changes frequently, specifically, for example, the vehicle switches from a straight-ahead state to a turning state, or there are a large number of intersections), the control unit can extract video frames at a high speed. For another example, when the current driving road conditions are simple (for example, the form of the route on which the vehicle will travel is stable, specifically, for example, the vehicle maintains a straight-ahead state), the control unit can extract video frames at a low speed.

[0229] After extracting the video frame, the control unit may execute an analysis based on the video frame in order to obtain information regarding the driving route of the vehicle. In this embodiment, the analysis method used by the control unit is not limited. For example, the analysis method may be an object recognition algorithm, a three-dimensional shape restoration (structure from motion, SFM) algorithm from multi-viewpoint images, video tracking, or artificial intelligence (AI).

[0230] After obtaining information regarding the route on which the vehicle will travel, the control unit may obtain a target light pattern corresponding to the information regarding the route on which the vehicle will travel. For example, the extending direction of the target light pattern is the same as the extending direction of the route on which the vehicle will travel. For other examples, the width of the target light pattern is equal to the width of the lane boundary line of the route on which the vehicle will travel. In this embodiment, the relationship between the width of the target light pattern and the width of the lane boundary line of the route on which the vehicle will travel is described as an optional example. For other examples, the width included in the second display attribute may be smaller than the width of the lane boundary line. For other examples, the width included in the second display attribute may be larger than the width of the lane boundary line. This is not particularly limited.

[0231] For other examples, the length of the target light pattern is equal to the length between the first position and the second position, the first position is the current position of the vehicle, and the second position is the position of the intersection closest to the vehicle and included in the route on which the vehicle will travel. The second position may be the position of the traffic signal closest to the vehicle on the route on which the vehicle will travel collected by the vehicle.

[0232] For other examples, when the control unit determines that the route on which the vehicle will travel is in an arc shape, the bending direction of the target light pattern coincides with the bending direction of the lane boundary line of the route on which the vehicle will travel.

[0233] When the control unit determines that a target light pattern needs to be displayed on the route on which the vehicle will travel, the target light pattern needs to further satisfy the following: the center line of the target light pattern can overlap with the center line of the route on which the vehicle will travel, or the offset between the center line of the target light pattern and the center line of the route on which the vehicle will travel is less than or equal to a preset distance. It can be seen that by displaying the target light pattern, it is ensured that the target light pattern can be accurately displayed on the route on which the vehicle will travel. Alternatively, when the width included in the second display attribute is equal to the width of the lane boundary line of the route on which the vehicle will travel, the boundary lines on both sides of the target light pattern overlap with the boundary lines of the lane boundary line of the route on which the vehicle will travel along the lateral direction of the route on which the vehicle will travel. Alternatively, when the length indicated by the second display attribute is the length between the first position and the second position, the upper and lower boundary lines of the target light pattern overlap with the first position and the second position respectively along the extension direction of the route on which the vehicle will travel.

[0234] The target light pattern is displayed on the route on which the vehicle will travel, and the target light pattern can indicate the area occupied by the vehicle during travel. From the target light pattern 1100 shown in FIG. 11, it can be seen that the vehicle travels in the lane occupied by the target light pattern 1100. The target light pattern displayed on the route on which the vehicle will travel by the beam emitted by the vehicle can improve the navigation accuracy and realize the lighting on the route on which the vehicle will travel, thereby ensuring the safety of the vehicle in the travel process based on navigation.

[0235] In the example shown in FIG. 12, the control unit of vehicle 1202 determines that the route on which the vehicle is to travel indicates that the vehicle needs to turn right at the next intersection 1201. The bending direction of the target light pattern 1203 determined by the control unit coincides with the bending direction of the route on which the vehicle is to travel. It can be seen that the target light pattern 1203 can illuminate the intersection 1201 based on the route on which the vehicle 1202 is to travel in order to ensure the safety of the user driving the vehicle 1202 passing through the intersection 1201.

[0236] In this example, the brightness of the light emitted by the vehicle lights is high. Therefore, this example can be applied to a scenario where the vehicle is in an environment with poor ambient brightness (for example, at night, on a cloudy day, or on a rainy day). The irradiation range of the light emitted by the low beam of vehicle 1202 is small. However, the target light pattern of this embodiment is formed by the beam emitted by the vehicle and is directly irradiated on the route on which the vehicle is to travel. In other words, in this embodiment, the light (also referred to as a light carpet) displayed on the ground by the target light pattern is described. The brightness of the light carpet is greater than the brightness of the light emitted by the low beam that irradiates the route described in the existing solution.

[0237] Since the light carpet illuminates the route on which the vehicle is to travel, the driver drives based on the area illuminated by the light carpet, thereby improving the safety of driving. In addition, other people or vehicles on the route can quickly determine the position where the vehicle is to travel based on the display of the light carpet, so other people or vehicles on the route can avoid the vehicle, thereby improving the safety of driving.

[0238] In this example, the width of the light carpet matches the width of the route on which the vehicle will travel. In this case, when the width of the route on which the vehicle will travel changes, the light carpet displayed by the vehicle also changes accordingly to maintain a width of the light carpet that matches the width of the route on which the vehicle will travel. Therefore, the driver can accurately judge the change in the width of the lane boundary line of the route on which the vehicle will travel based on the route illuminated by the light carpet, thereby improving driving safety.

[0239] When the route on which the vehicle will travel is a crosswalk, the control unit can control the light carpet to be displayed on the crosswalk, and the light carpet can illuminate the crosswalk. In this case, when walking on the crosswalk, pedestrians can notice the light carpet. This helps pedestrians avoid vehicles on the crosswalk. Also, since the light carpet can illuminate the crosswalk, the crosswalk will not become a blind spot for the driver, thereby effectively avoiding the possibility of safety accidents between the vehicle and pedestrians.

[0240] Example 3

[0241] The control unit acquires the width of the vehicle. The width of the light carpet indicated by the drive command sent by the control unit to the drive assembly is equal to the width of the vehicle. It can be seen that the light carpet can indicate the width occupied in the vehicle's driving process. In other words, the light carpet can indicate the width occupied when the vehicle travels in the area of the light carpet. When pedestrians or other vehicles appear on the light carpet, there is a high possibility of safety accidents occurring. When pedestrians or vehicles do not appear on the light carpet, the possibility of safety accidents occurring is low.

[0242] In this example, it can be seen that the safety in the vehicle's driving process can be judged based on the light carpet.

[0243] Example 4

[0244] In this example, the control unit can send a first drive command and a second drive command to the drive assembly. The first drive command indicates a first light carpet, the second drive command indicates a second light carpet, and the first light carpet is different from the second light carpet. It can be seen that the drive assembly moves the shielding assembly along the path to display the first light carpet according to the first drive command, and the drive assembly moves the shielding assembly along the path to display the second light carpet according to the second drive command.

[0245] Specifically, the control unit sends the first drive command and the second drive command to the drive assembly based on a change in the form of the route on which the vehicle is to travel, and can indicate to the driver that the form of the route on which the vehicle is to travel changes based on the change between the first light carpet and the second light carpet.

[0246] The change in the form of the route on which the vehicle is to travel can be as follows: indicating that the route on which the vehicle is to travel switches from a straight-ahead state to a turning state, or indicating that the route on which the vehicle is to travel switches from a turning state to a straight-ahead state, or indicating that the route on which the vehicle is to travel is such that the vehicle is to travel to an intersection, or indicating that the route on which the vehicle is to travel is such that the dimensions of the lane boundary line change (for example, the width of the lane boundary line changes).

[0247] Example 5

[0248] In this example, the light carpet determined by the control unit is further related to the distance between the vehicle and the vehicle ahead. The vehicle ahead is located directly in front of or diagonally in front of the vehicle. Referring to FIGS. 13a and 13b, for example, the vehicle ahead is located directly in front of the vehicle. As shown in FIG. 13a, the distance between vehicle 1311 and the vehicle ahead 1312 is L1, and in FIG. 13b, the distance between vehicle 1311 and the vehicle ahead 1312 is L2, and L1 is smaller than L2. In this example, the light emitted by vehicle 1311 is located on the path between vehicle 1311 and the vehicle ahead 1312. For example, the light carpet is rectangular. In other words, in the example shown in FIG. 13a, the rectangular light pattern 1313 is located on the path between vehicle 1311 and the vehicle ahead 1312. In the example shown in FIG. 13b, the rectangular light pattern 1314 is located on the path between vehicle 1311 and the vehicle ahead 1312.

[0249] The length of the light carpet in this embodiment is in a positive correlation with the distance between the vehicle and the vehicle ahead. In other words, the greater the distance between the vehicle and the vehicle ahead, the longer the light carpet is shown. Comparing FIGS. 13a and 13b, when the distance L2 between vehicle 1311 and the vehicle ahead 1312 shown in FIG. 13b is greater than the distance L1 between vehicle 1311 and the vehicle ahead 1312 shown in FIG. 13a, it can be seen that the length of the light carpet 1314 shown in FIG. 13b is greater than the length of the light carpet 1313 shown in FIG. 13a. It should be understood that when the distance between the vehicle and the vehicle ahead is large enough, for example, when it reaches 150 m or more, the length of the light carpet remains unchanged.

[0250] This embodiment is described using an example in which the length of the light carpet has a positive correlation with the distance between the vehicle and the vehicle ahead. In other examples, the distance between the vehicle and the vehicle ahead may have a negative correlation with the brightness of the emitted light displayed on the ground in the form of a light carpet. In other words, the smaller the distance between the vehicle and the vehicle ahead, the higher the brightness, and the larger the distance between the vehicle and the vehicle ahead, the lower the brightness. For other examples, the distance between the vehicle and the vehicle ahead has a negative correlation with the flashing frequency of the emitted light displayed on the ground in the form of a light carpet. In other words, the smaller the distance between the vehicle and the vehicle ahead, the higher the flashing frequency, and the larger the distance between the vehicle and the vehicle ahead, the lower the flashing frequency. Similarly, when the distance between the vehicle and the vehicle ahead is sufficiently large, for example, when the distance reaches 150 m or more, the brightness of the emitted light may remain unchanged, the flashing frequency may remain unchanged, or there may be no flashing.

[0251] Example 6

[0252] In this example, the control unit acquires a light carpet based on driving assistance information. In this example, the driving assistance information is information related to the ADAS of the vehicle. For a specific description of the ADAS, refer to the relevant description in FIG. 1. Details will not be described again. In this example, specifically, the ADAS information may be a driving intention, and the driving intention may be straight-ahead driving, lane change, turning, or entry into a branch point, etc. The ADAS information may alternatively be an emergency decision, and the emergency decision may be emergency braking, emergency avoidance, vehicle failure, etc. The ADAS information may alternatively be a vehicle driving pre-determined event, and the vehicle driving pre-determined event may be that the vehicle is in a safe state, the vehicle is in a dangerous state, etc. The control unit determines different light carpets based on different ADAS information, and the different light carpets may be at least one of the following: Different lengths, different widths, different areas, different bending directions, or different bends.

[0253] Example 7

[0254] In this example, the control unit acquires a light carpet based on head unit data, and the control unit determines different light carpets based on different head unit data. For different light carpets, refer to Example 6 described above. Details will not be explained again. The head unit data can be the main data of the vehicle dashboard (fuel consumption, engine speed, temperature, etc.), steering wheel angle information, vehicle body attitude data, etc. By controlling the drive assembly, it can be seen that the control unit indicates the current vehicle head unit data to the driver via different light carpets. For example, when the fuel consumption of the vehicle is excessively high, an instruction is provided to the driver by displaying the light carpet, thereby improving the safety of driving.

[0255] The above embodiments do not limit this application, but are only intended to explain the technical solutions of this application. Although this application has been described in detail with reference to the above embodiments, those skilled in the art should understand that changes can still be made to the technical solutions described in the above embodiments or equivalent substitutions can be made to some of their technical features. Such changes and substitutions do not deviate from the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A method for controlling a light carpet, the method comprising: Determining that the vehicle satisfies a light carpet trigger condition and emitting a first light beam, the first light beam being used to display a first light pattern on a route on which the vehicle is to travel; and Determining that the vehicle satisfies a light carpet update condition and emitting a second light beam, the second light beam being used to display a second light pattern on the route on which the vehicle is to travel, the second light pattern being different from the first light pattern; Method.

2. The light carpet trigger condition includes at least one of: obtaining an input command for turning on the light carpet, the first vehicle speed of the vehicle satisfying a first preset condition, the first ambient brightness of the vehicle satisfying a second preset condition, the first state of the route on which the vehicle is to travel satisfying a third preset condition, or the first distance between the vehicle and the vehicle ahead satisfying a fourth preset condition. The method according to claim 1.

3. The light carpet update condition includes at least one of: the second vehicle speed of the vehicle satisfying a first update condition, the second ambient brightness of the vehicle satisfying a second update condition, the second state of the route on which the vehicle is to travel satisfying a third update condition, and the second distance between the vehicle and the preceding vehicle satisfying a fourth update condition. The method according to claim 1.

4. The step of determining that the vehicle satisfies a light carpet trigger condition and emitting a first light beam includes: Obtaining a first drive command, the drive command indicating the first light pattern; and Driving a shielding assembly based on the first drive command, the shielding assembly being configured to enable the first light beam to display the first light pattern on the route on which the vehicle is to travel. The method according to claim 1.

5. The light carpet update condition includes that the second vehicle speed of the vehicle satisfies a first update condition, determines that the vehicle satisfies the light carpet update condition, and the step of emitting a second light beam is as follows: Determining the second light pattern according to the second vehicle speed; Obtaining a second drive command, where the second drive command indicates the second light pattern; and Driving a shielding assembly based on the second drive command, where the shielding assembly is configured to enable the second light beam to display the second light pattern on the route on which the vehicle is to travel; including the steps. The method according to claim 1.

6. The light carpet update condition includes that the second ambient brightness of the vehicle satisfies a second update condition, determines that the vehicle satisfies the light carpet update condition, and the step of emitting the second light beam is Determining the first brightness of the second light pattern according to the second ambient brightness; and The step of emitting the second light beam; including. The method according to claim 1.

7. The light carpet update condition includes that the second state of the route on which the vehicle is to travel satisfies a third update condition, determines that the vehicle satisfies the light carpet update condition, and the step of emitting a second light beam is as follows: Determining the second light pattern according to the second state of the route on which the vehicle is to travel; Obtaining a second drive command, where the second drive command indicates the second light pattern; and Driving a shielding assembly based on the second drive command, where the shielding assembly is configured to enable the second light beam to display the second light pattern on the route on which the vehicle is to travel; including the steps. The method according to claim 1.

8. The step of determining the second light pattern according to the second state of the route on which the vehicle is to travel is: Determining that the second state of the route on which the vehicle is to travel is a crosswalk; obtaining a third driving command, where the third driving command is used to control the second light pattern to be displayed on the crosswalk of the route on which the vehicle is to travel; and Driving the shielding assembly based on the third driving command, where the shielding assembly is configured to enable the second light beam to display the second light pattern on the crosswalk of the route on which the vehicle is to travel; including The method according to claim 7.

9. The light carpet update condition includes that a second distance between the vehicle and a vehicle ahead satisfies a fourth update condition, determining that the vehicle satisfies the light carpet update condition, and the step of emitting a second light beam is: Determining the second light pattern according to the second distance between the vehicle and the vehicle ahead; Obtaining a fourth driving command, where the fourth driving command is used to indicate the second light pattern; and Driving a shielding assembly based on the fourth driving command, where the shielding assembly is configured to enable the second light beam to display the second light pattern on the route on which the vehicle is to travel The method according to claim 2.

10. The step of determining the second light pattern according to the second distance between the vehicle and the vehicle ahead is: Including the step of determining that the second distance is smaller than the first distance, or the first length of the second light pattern is smaller than the second length of the first light pattern, or the first brightness of the second light pattern is greater than the second brightness of the first light pattern, or the first blinking frequency of the second light pattern is greater than the second blinking frequency of the first light pattern The method according to claim 9.

11. The step of determining the second light pattern according to the second distance between the vehicle and the vehicle ahead is: determining that the second distance is greater than the first distance, or that a first length of the second light pattern is greater than a second length of the first light pattern, or that a first brightness of the second light pattern is less than a second brightness of the first light pattern, or that a first blinking frequency of the second light pattern is less than a second blinking frequency of the first light pattern, The method according to claim 9. **Claim 12** The second light pattern includes a first light carpet and a second light carpet, and the first light carpet and the second light carpet are different. The method according to claim 1. **Claim 13** A vehicle, comprising a light source assembly, at least one processor, and at least one non-transitory computer-readable storage medium storing a program to be executed by the at least one processor, the light source assembly being configured to send a beam, the program comprising: determining that the vehicle meets a light carpet trigger condition, and an instruction to emit a first light beam, the first light beam being used to display a first light pattern on a route on which the vehicle is to travel; and determining that the vehicle meets a light carpet update condition, and an instruction to emit a second light beam, the second light beam being used to display a second light pattern on the route on which the vehicle is to travel, the second light pattern being different from the first light pattern; Vehicle. **Claim 14** The light carpet trigger condition includes at least one of: obtaining an input command to turn on the light carpet, the first vehicle speed of the vehicle meeting a first preset condition, the first ambient brightness of the vehicle meeting a second preset condition, the first state of the route on which the vehicle is to travel meeting a third preset condition, or the first distance between the vehicle and the vehicle ahead meeting a fourth preset condition. The vehicle according to claim 13. **Claim 15** The light carpet update conditions include at least one of: the second vehicle speed of the vehicle satisfying a first update condition; the ambient brightness around the second vehicle of the vehicle satisfying a second update condition; the second state of the route on which the vehicle is to travel satisfying a third update condition; and the second distance between the vehicle and the preceding vehicle satisfying a fourth update condition. The vehicle according to claim 13.

16. The vehicle has a drive assembly and a shielding assembly, and the drive assembly is connected to the shielding assembly; The light carpet update condition includes that the second distance between the vehicle and the vehicle ahead satisfies a fourth update condition, and the instructions executed by the at least one processor further cause the at least one processor to: Determine the second light pattern according to the second distance between the vehicle and the vehicle ahead; Obtain a fourth drive command, and the fourth drive command is used to indicate the second light pattern; Drive the shielding assembly based on the fourth drive command, and the shielding assembly is configured to enable the second light beam to display the second light pattern on the route on which the vehicle is to travel. The vehicle according to claim 14.

17. The instructions executed by the at least one processor further cause the at least one processor to: Determine that the second distance is less than the first distance, or the first length of the second light pattern is less than the second length of the first light pattern, or the first brightness of the second light pattern is greater than the second brightness of the first light pattern, or the first blinking frequency of the second light pattern is greater than the second blinking frequency of the first light pattern. The vehicle according to claim 16.

18. The second light pattern includes a first light carpet and a second light carpet, and the first light carpet is different from the second light carpet. The vehicle according to claim 13.

19. A vehicle lighting system, the vehicle lighting system comprising: a light source assembly, at least one processor, and at least one non-transitory computer-readable storage medium storing a program to be executed by the at least one processor, the light source assembly being configured to emit a beam, the program comprising: Instructions for determining that the vehicle meets a light carpet trigger condition and emitting a first light beam, the first light beam being used to display a first light pattern on a route on which the vehicle is to travel; and Instructions for determining that the vehicle meets a light carpet update condition and emitting a second light beam, the second light beam being used to display a second light pattern on the route on which the vehicle is to travel, the second light pattern being different from the first light pattern. A vehicle lighting system. Claim 20 The light carpet trigger condition includes at least one of: obtaining an input instruction to turn on the light carpet, the first vehicle speed of the vehicle meeting a first preset condition, the first ambient brightness of the vehicle meeting a second preset condition, the first state of the route on which the vehicle is to travel meeting a third preset condition, or the first distance between the vehicle and a vehicle ahead meeting a fourth preset condition. The system according to claim 19.

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