4257 results about "Headlamp" patented technology

A hard hat attachment system is described with mounts to support various accessories. The hard hat includes various attachment points configured to receive adapters to couple to various accessories. The user customizes the hard hat for the particular task with the preferred accessories used to complete the job. For example, headlamps, face shields, earmuffs, sun shades, etc. are interchangeably releasably coupled to mounting and / or auxiliary ridges on the hard hat. In this way, the hard hat is customized and / or modified to support a wide variety of accessories that are securely and releasably attached to the hard hat without destructive alterations to the hard hat. Brackets couple to mounts and / or adapters couple to ports to support and / or secure various accessories in place during operation and prevent accidental knocks or jarring the accessory loose.

The invention relates to a headlamp for vehicles comprising an imaging unit and comprising an optical unit for generating a predefined light distribution, which has a plurality of light spots, the lights each being produced by projection of at least one light pixel of the imaging unit, and comprising a control unit containing a control signal for controlling the light pixels of the imaging unit and / or for controlling optical elements of the optical unit arranged upstream of the light pixels, a light focal point of the light distribution being arranged displaceably depending on the control signal, and the control signal being designed in such a way that the light focal point is arranged in a right edge region and / or left edge region of the light distribution.

An object of the present invention is to provide a lamp unit for a vehicular headlamp and a vehicular headlamp, by which it is possible to diffuse left and right ends of a high-beam light distribution pattern further to the left and right. An inner reflecting surface reflects light from a first light-emitting element as reflected light onto a lens. The lens emits the reflected light in a diffused light distribution pattern toward a front of a vehicle. An edge of a diffused light distribution pattern on an outer side of the vehicle is located further to an outer side of the vehicle than an edge of a first partial light distribution pattern on the outer side of the vehicle. As a result, left and right ends of an overall high-beam light distribution pattern can be diffused further to the left and right.

The invention relates to the technical field of automobile driving, and particularly discloses an intelligent headlamp self-adaptive control method and system based on multi-modal data fusion. The method comprises the following steps: acquiring an ambient light value outside a vehicle and a vehicle pose vector in real time; requesting a road side unit to obtain a tunnel or garage feature point set based on the ambient light value through an Internet of vehicles V2X communication protocol; based on the vehicle pose vector and the tunnel or garage feature point set, calculating a relative distance D by using an improved Euclidean distance, introducing a speed-adaptive distance compensation coefficient, and generating a corrected distance D '; the corrected distance D'is compared with a first preset early warning distance threshold K1 and a second preset early warning distance threshold K2, and if D 'is smaller than or equal to K1, a progressive lighting scheme is started; and if D 'is greater than or equal to K2, starting a light brightness attenuation scheme. The invention aims to provide a high-precision and safe mode, so that the self-adaptive control of the automobile headlamp is closer to the actual driving requirement of the automobile.

Techniques for selectively illuminating regions of an environment are disclosed herein. For example, an autonomous vehicle can include one or more emitter systems (e.g., a headlight(s)) comprising an array of light emitters configured to controllably emit light into an environment. In some examples, a machine learned model(s) may generate configuration signals to control the individual light emitters of an emitter system based at least in part on one or more of sensor data (e.g., lidar data, image data, etc.). In some examples, the machine learned model may generate configuration signals based at least in part on map data. Additional sensor data may be captured after the emitter system is reconfigured and used to control the autonomous vehicle.

A projection lens has a substrate made of a transparent material, which has a light entry surface for the light exiting a primary optical element in a headlamp. A light emission surface is opposite the light entry surface. A Fresnel structure is formed on the substrate, which contains numerous coaxial annular steps, each of which has an emission surface and a diffractive surface. The emission surface is that part of the step through which light passes. The diffractive surface is that part of the step that is not configured for light to pass through it. At least one of the diffractive surfaces is curved.

The embodiment of the invention provides a lens, a projection device, a vehicle lamp device and a vehicle, and belongs to the technical field of optics. The lens comprises at least five lenses arranged from an image side to an object side. The image side face of the lens closest to the image side in the lens is a concave face, the number of the lenses with the positive focal power in the lens is at least three, and the number of the lenses with the negative focal power in the lens is at least one. Wherein when the number of the lens with the negative focal power is one, the lens with the negative focal power is arranged between the lens, closest to the image side, in the lenses and the lens, closest to the object side, in the lenses. According to the lens provided by the embodiment of the invention, a relatively large field angle can be realized under the condition that Fno is less than or equal to 1.0, so that the lens can have the characteristics of a large aperture and a large field angle at the same time.

The invention provides a vehicle lamp entertainment interaction method and device and a computer readable storage medium, and the method comprises the steps: obtaining a live-action image of an interaction region projected by a projection headlamp in front of a vehicle, and detecting human body key points in the behavior performance of an interaction object participating in a game indicated by the live-action image in the interaction region, and analyzing and identifying through a visual algorithm, and determining the interaction behavior of the interaction object. The interaction behavior is converted into an operation instruction in a game, and the projection headlamp is controlled to project a picture indicated by the operation instruction in the interaction area, so that a user is allowed to directly control a vehicle lamp entertainment system through gestures, and the driving experience of the user is greatly enriched and improved.

Illumination device (10) for a motor vehicle headlamp for generating a low beam, wherein a vertical extension of the low beam extends along a VV-line from at least 0° down to at least −10° on the VV-line, said illumination device (10) comprises: —an optic body (100) comprising a common light input section (110), a light output section (130) and a shell surface (140) limiting the optic body (100), —a projection lens system (200) configured to project the light-rays in front of the illumination device (10), wherein the projection lens system (200) in combination with the optic body (100) are configured to generate the low beam illuminated by the projection lens system (200), wherein the optic body (100) comprises a first set of optically operative surfaces for guiding light-rays along a first light-ray path (LR1), wherein the first set of operative surfaces comprises a first and second light deflection surface (300a, 300b), and a first light exit surface (300c), wherein the first and second light deflection surfaces (300a, 300b) are arranged on the shell surface (140), and wherein the first light exit surface (300c) is arranged on the light output section (130), wherein light rays following the first light-ray path (LR1) are incident on the first deflection surface (300a) and are deflected to the second deflection surface (300b), and wherein light-rays incident on the second deflection surface (300b) are deflected to the first light exit surface (300c), and wherein light-rays emitted by the first light exit surface (300c) contribute to generate a first part of the low beam, and wherein the optic body (100) comprises a second set of optically operative surfaces for guiding light-rays along a second and a third light-ray path (LR2, LR3), wherein the second set of optically operative surfaces comprises a third deflection surface (400a) and a second light exit surface (400b), wherein the third deflection surface (400a) is arranged on the shell surface (140) and the second light exit surface (400b) is arranged on the light output section (130) separate from the first light exit surface (300c), wherein light-rays following the second light-ray path (LR2) are incident on the third deflection surface (400a) and are deflected to the second light exit surface (400b) for coupling out of the optic body (100), and wherein light rays following the third light-ray path (LR3) are incident on the second light exit surface (400b) directly from the common light input section (110), wherein light-rays emitted by the second light exit surface (400b) contribute to generate a second part of the low beam.

The invention relates to the technical field of automobile lamp welding, in particular to an automobile lamp assembly laser welding device which comprises a rack and a laser welding assembly, a top guide plate is arranged at the top end of the rack, transverse sliding grooves are formed in the top guide plate, and a plurality of feeding assemblies are slidably arranged in the transverse sliding grooves in the two sides. A conveying assembly is arranged at the bottom end of the top guide plate and comprises a feeding arm, the feeding assembly comprises a transverse sliding block, the feeding arm is used for pushing the transverse sliding block to slide, and an automobile lamp clamping assembly is arranged at the top end of the transverse sliding block. From synchronous movement of a transverse sliding block, pushing-out of a longitudinal sliding block, automatic overturning of an overturning block and resetting after welding, full-process automatic operation is achieved, manual intervention is reduced, the working efficiency is improved, a rotating motor drives a lampshade and a shell to rotate at the constant speed, a laser welding assembly can evenly act on a welding interval, and local overheating or insufficient welding is avoided; the limiting assembly, the double-shaft air cylinder and the turnover mechanism are all independent modules, and independent overhaul or replacement is facilitated.

The invention discloses an automobile headlamp system capable of perceiving the vision of a driver, and relates to the technical field of automobile illumination, the automobile headlamp system comprises a base, a deflection frame, a driving mechanism, an auxiliary mechanism, a connecting mechanism, a reflective bowl and an irradiation lamp, the deflection frame and the driving mechanism are fixedly arranged on the base, the deflection frame is annular, and a spherical surface is arranged on the inner side of the deflection frame; the reflecting bowl is rotationally connected with the deflection frame through the spherical surface, an irradiation lamp is fixedly mounted in the reflecting bowl, an auxiliary mechanism is rotationally arranged on the deflection frame, the reflecting bowl is connected with the driving mechanism through a connecting mechanism, four deflection grooves are circumferentially formed in the deflection frame, and the deflection grooves are spherical and coincide with the circle center of the spherical surface; the auxiliary mechanism comprises an auxiliary ring and arc-shaped rods, the four arc-shaped rods are fixedly arranged on the auxiliary ring in a circumferential mode, and the arc-shaped rods can slide and rotate along the deflection grooves; interaction between the vehicle lamp system and a driver can be improved.

The invention relates to the technical field of optical communication, in particular to an automobile headlamp communication system and method based on image frame interpolation, comprising a transmitting end and a receiving end, a vehicle-mounted central control system of the transmitting end is used for receiving input to-be-transmitted information, and an ambient light detection module evaluates an external illumination condition in response to the input of the to-be-transmitted information; an image gray value and frame insertion frequency are set based on the illumination intensity, the image coding module codes information to be transmitted based on the set image gray value to generate a projection image frame, and the projection module inserts the projection image frame into a normal illumination frame sequence of a vehicle lamp based on the frame insertion frequency and projects the projection image frame to an external environment; the image acquisition module of the receiving end is used for acquiring a projection image frame, the image decoding module preprocesses the projection image frame and then decodes the projection image frame, and the information to be transmitted is restored and sent to the vehicle-mounted central control system. According to the invention, vehicle lamp communication at a certain distance in a traffic environment can be realized on the premise of ensuring normal vehicle lamp illumination.

The invention provides a lane lighting method based on vehicle visual perception, a storage medium and a system. The method comprises the following steps: analyzing a road image collected by a vehicle front-view camera; when the lane type in front of the vehicle is identified as a curve, determining the position of a center line of a curve entrance; an initial illumination angle is calculated according to the road curvature and the current illumination angle of the headlamp, and the transverse offset of the vehicle in the lane is calculated according to the position of the center line and the real-time position of the vehicle; and calculating an angle adjustment coefficient of the headlamp according to the transverse offset and the vehicle speed, adjusting the initial illumination angle according to the angle adjustment coefficient to obtain a target illumination angle, and controlling the headlamp to illuminate according to the target illumination angle. According to the method, the illumination angle of the headlamp in the curve scene is accurately adjusted, so that a driver can clearly see the curve boundary at night, the driver is assisted in judging the distance between the vehicle and the curve boundary, and the driving safety is improved.

The invention discloses a headlamp light-emitting diode structure and a headlamp light-emitting diode system, and belongs to the technical field of automobile illumination, the headlamp light-emitting diode structure comprises a headlamp light-emitting diode structure, an intelligent driving circuit, an environment perception and intelligent control system and an energy recovery and management system.The heat dissipation efficiency is effectively improved by arranging a unique heat dissipation structure, and the heat dissipation efficiency is improved; the temperature of the LED chip is reduced, the light attenuation is reduced, the service life of the LED chip is prolonged, the frequency and cost for replacing the lamp are reduced, the design of the composite optical lens and the special reflection cup enables light distribution to be more uniform, the illumination range is wider, the driving safety at night and under complex road conditions is improved, and the driving safety is improved. By arranging the intelligent driving circuit and the environment sensing system, the LED chip is ensured to work stably in different environments and working conditions, and the problems of flickering and unstable brightness are avoided. Meanwhile, lighting parameters are automatically adjusted according to the environment and the vehicle speed, and the driving comfort and safety are improved.

The invention provides UV curable coating compositions comprising a synergistic two-component system of aliphatic urethane acrylate resins. The first component is formed by reacting an aliphatic polyisocyanate containing iminooxadiazine dione, isocyanurate, uretdione, urethane, allophanate, biuret, or oxadiazine trione groups with a hydroxyl-functional acrylate. The second component is formed by reacting a multifunctional acrylate with an aliphatic urethane based on alkyl carbomoncycle diisocyanate. The components combine in specific ratios to create coatings with superior hardness, scratch resistance, chemical resistance, and weatherability for automotive applications. Quantifiable structure-property relationships define optimal formulations for specific applications including vehicle headlamp lenses and trim components. Also described are coated articles and methods for their production.

A headlamp for a car has a main-beam module and a dipped-beam module. The main-beam module comprises a primary light source and a primary optical element comprising a primary receiving surface and a primary emitting surface which provide the main-beam function. This module includes a secondary light source. The primary optical element comprises a secondary receiving surface and a secondary emitting surface. The secondary emitting surface is formed by refracted surfaces. The luminous intensity of the secondary light source is significantly lower than that of the primary light source. The secondary light source is lit simultaneously with the dipped-beam module and the light from the secondary light source is incident closer to the car than the light from the primary light source.

A releasable bracket for a headlight assembly of a vehicle includes: a fixed bracket portion configured to be attached to a structural component of the vehicle; and a component-side portion attached to the headlight assembly. The component-side portion is configured to engage the fixed bracket portion in a retained position for holding the headlight assembly to the structural component of the vehicle. One of the fixed bracket portion or the component-side portion includes a clip, and another one of the fixed bracket portion or the component-side portion includes a cage portion. The clip is configured to detach from the cage portion in response to application of an impact force on the headlight assembly. The clip is configured to re-engage the cage portion and to re-attach the fixed bracket portion to the cage portion after being detached therefrom.

The invention discloses a vehicle, a vehicle control method and an intelligent driving control unit, relates to the technical field of intelligent vehicles, and solves the problems of complex link topology, long data transmission link and high time delay of data transmission of an intelligent headlamp in a current vehicle. The vehicle comprises at least one sensor, an intelligent driving control unit and a driving projection device. The output end of the at least one sensor is coupled with the input end of the intelligent driving control unit, and the first output end of the intelligent driving control unit is coupled with the first input end of the driving projection device. The at least one sensor generates external environment data according to the external environment of the vehicle and sends the external environment data to the intelligent driving control unit, and the intelligent driving control unit generates projection image data according to the external environment data and sends the projection image data to the driving projection device. And driving the projection device to output a projection image according to the projection image data.

The invention provides an automatic anti-dazzling distance light illumination method and an illumination device.The method comprises the steps that when an automobile is in a distance light illumination mode, point cloud data, collected by a laser radar, in front of the automobile are analyzed, and a target person and the movement trend of the target person are obtained; determining relative positions of a target face in the target person and the automobile at different time nodes according to the movement trend and the driving state of the automobile; and according to the relative positions at different time nodes, the execution module is controlled to adjust the illumination brightness of the headlamp to the target face at the corresponding time nodes. According to the anti-dazzling control method and device, the computing power and configuration requirements for the controller are reduced, the method and device are suitable for complex and changeable road environments and driving states and the motion state of the target person, and quick response and accurate anti-dazzling control are achieved.

A vehicular headlight (1) includes a light unit (10) and a control unit (CO), and when another vehicle (200) is moving relative to a host vehicle (100), a shaded degree of a shaded region (53) is stronger than when the another vehicle (200) is not moving relative to the host vehicle (100) .

The utility model discloses a high beam module and an automobile headlamp, and relates to the technical field of automobile parts, the high beam module comprises a circuit board, a reflection element and an emergent lens, the circuit board is provided with a plurality of high beam light sources and at least one accompanying lightening light source, the reflecting element and the circuit board are oppositely arranged, the reflecting element comprises a plurality of first reflecting parts in one-to-one correspondence with the high-beam light sources, light emitted by the high-beam light sources is reflected by the corresponding first reflecting parts and then is emitted by the emitting lens to form a high-beam light type, and the reflecting element further comprises second reflecting parts corresponding to the accompanying lighting light sources; and the accompanying lightening light emitted by the accompanying lightening light source is reflected by the corresponding second reflecting part and then is emitted through the emergent lens, so that the high beam module is lightened when the high beam module does not work. According to the high beam module and the automobile headlamp, the lighting modeling attractiveness of the headlamp under the low beam working condition can be improved.

The invention discloses a self-adaptive control method for a vehicle lamp, and belongs to the technical field of vehicle headlamp control, the self-adaptive control method is implemented based on the self-adaptive vehicle lamp, the self-adaptive vehicle lamp comprises a main light lamp and a light supplementing lamp, and a light area irradiated by the main light lamp during working is a main light area; a light area irradiated by the light supplement lamp during working is a light supplement area; when the self-adaptive vehicle lamp works, the light supplementing areas are overlapped at different positions of the main light area according to a preset compensation algorithm. The light supplementing area comprises a low-beam light supplementing area, a high-beam light supplementing area and a high-position light supplementing area; when the vehicle runs, the adaptive vehicle lamp overlaps the low-beam light supplementing area in the main light area according to a preset compensation algorithm, or overlaps the high-beam light supplementing area above the main light area, or overlaps the high-position light supplementing area below the main light area. According to the adaptive control method for the vehicle lamp, the technical problem that dynamic light compensation cannot be performed on the area irradiated by the vehicle lamp in the prior art is solved.

In the present invention, a vehicle headlight that emits light forward comprises: a light source; a first optical element that converts light emitted from the light source into parallel light; and a second optical element that has an incidence surface, an emission surface, and a side surface connecting the incidence surface and the emission surface. A first region of a lamp front surface is irradiated using light that is incident on the emission surface from the incident surface of the second optical element without being directed toward the side surface. A second region positioned to the left and / or right of the first region is irradiated at an illuminance lower than the illuminance of the first region by using the light that is incident on the emission surface after being reflected by the side surface.

A vehicle headlamp mounted on a vehicle is capable of forming at least a first light distribution pattern projected onto an area below a cutoff line and a second light distribution pattern projected along the cutoff line to overlap with the cutoff line. At least a partial projection area of the second light distribution pattern is adjusted in luminous intensity according to a position of a target object outside the vehicle.

The invention provides a headlamp, comprising a base, a light emitting tube, a switch button and an elastic headband. The elastic headband is connected to the base, the light emitting tube is arranged on the base, the switch button is arranged on the light emitting tube and is electrically connected with the light emitting tube, and the switch button is used for controlling the light emitting tube to switch among various lighting modes, an off mode and a long-press mode; the long-press mode is to press the switch button for a long time to make the light emitting tube directly enter the off mode from any lighting mode.

The invention belongs to the technical field of vehicle lamps, and particularly relates to a vehicle head lamp system and method capable of automatically adjusting brightness based on ambient light sensing. An ambient light sensor is started to detect electromagnetic interference, a shielding device is started and ambient light signals are collected when the electromagnetic interference exceeds a threshold value, and the ambient light signals are compared with a reference value after weighted averaging and abnormity elimination; and calculating a brightness adjusting coefficient to adjust the brightness of the headlight, and finally closing the shielding device and circularly detecting. According to the method, the electromagnetic shielding device is started when the electromagnetic interference is detected to exceed the preset threshold value, the acquired data is processed during the period, and the method comprises the steps of weighted average calculation, abnormal data elimination and the like, so that the influence of the electromagnetic interference on the ambient light sensor can be effectively reduced. The technical effects of the invention are that the accuracy and reliability of the headlight brightness adjusting system are obviously improved, and the correct adjustment of the headlight brightness can be ensured even in a strong electromagnetic interference environment, thereby improving the driving safety.

The present invention relates to a receiving component for a cover lens of a headlamp of a motor vehicle. The receiving component includes at least a carrier frame and a sealing element, wherein the carrier frame has a first connecting means for establishing an adhesive connection with the cover lens and a second connecting means for establishing a detachable connection with a housing of the headlamp, and wherein the sealing element is designed to seal a gap between the carrier frame and a body part of the motor vehicle.

The invention provides a calibration device for a headlamp detector calibrator. The calibration device comprises a plane coordinate positioning mechanism and a positioning adjusting mechanism, the plane coordinate positioning mechanism comprises a vertical installation flat plate, and the vertical installation flat plate is connected with a luminosity head. The positioning adjusting mechanism comprises a tripod; the tripod is connected with a first installation platform for installing the standard lamp through an angle fine adjustment mechanism, the first installation platform is further connected with a second installation platform for installing the laser range finder through a height adjustment mechanism, and the height adjustment mechanism is used for adjusting the height of the laser range finder through the standard lamp so that the center line of the measuring face of the laser range finder can be tightly attached to the light-emitting face of the standard lamp. The laser range finder is used for testing the distance between the light emitting surface of the standard lamp and the working surface of the luminosity head. According to the invention, the plane coordinate positioning mechanism is matched with the positioning adjusting mechanism, so that the luminous intensity and the optical axis angle of the calibrator of the motor vehicle headlamp detector are accurately calibrated.

The present application relates to a vehicle light control system, and provides a vehicle exterior decorative light control system, comprising a digital light control unit electrically connected to an exterior decorative light unit. The digital light control unit comprises a light editing module and a digital light processing module; the light editing module provides a visual light editing interface corresponding to a vehicle styling arrangement, and exterior decorative light information that can be customized is formed in the visual light editing interface, the exterior decorative light information comprising projection headlamp brightness information, interactive signal lamp pixel information and surrounding projection lamp brightness information; the digital light processing module is in communication connection with the light editing module, so as to convert the exterior decorative light information into a lighting description file and transmit the lighting description file to the exterior decorative light unit for display control. Therefore, the present application achieves unified control of exterior decorative lamps, thus ensuring precise synchronization during exterior decorative light display; and the present application supports customized lamp light effects, thus achieving fully personalized welcome effects. The present application further provides a vehicle welcome control method and a vehicle.