EP4137742A1 - Système optique de lampe de véhicule, module de lampe de véhicule, et véhicule - Google Patents

Système optique de lampe de véhicule, module de lampe de véhicule, et véhicule Download PDF

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Publication number
EP4137742A1
EP4137742A1 EP21833529.7A EP21833529A EP4137742A1 EP 4137742 A1 EP4137742 A1 EP 4137742A1 EP 21833529 A EP21833529 A EP 21833529A EP 4137742 A1 EP4137742 A1 EP 4137742A1
Authority
EP
European Patent Office
Prior art keywords
light
plane mirror
vehicle lamp
emitting
optical system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21833529.7A
Other languages
German (de)
English (en)
Other versions
EP4137742A4 (fr
Inventor
Jie Zhang
Jiayuan Chen
Jin Shen
Wenhui SANG
Fan Meng
Yuan Zhang
Hao Zhou
Feiquan Li
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HASCO Vision Technology Co Ltd
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HASCO Vision Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HASCO Vision Technology Co Ltd filed Critical HASCO Vision Technology Co Ltd
Publication of EP4137742A1 publication Critical patent/EP4137742A1/fr
Publication of EP4137742A4 publication Critical patent/EP4137742A4/fr
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present disclosure relates to a vehicle lamp, in particular, to a vehicle lamp optical system. In addition, it also relates to a vehicle lamp module and a vehicle.
  • the vehicle lamp optical system As the core component of vehicle lamp illumination, the vehicle lamp optical system is relatively difficult to develop and has a long development cycle, so it is generally required to be standardized and has better versatility to adapt to different vehicle lamp modelings and vehicle lamp spaces.
  • the existing vehicle lamp optical system is generally integral-type, that is, the positional relationships between the light source and the optical related parts are all fixed, although some illumination systems with AFS function can be rotated at a certain angle around the vertical rotation axis, it is still a movement process based on the integral-type module, initial position thereof is still unique, and it needs to take up more space during the rotation process.
  • FIG. 1 shows an existing integral-type vehicle lamp module, which includes a light source, a reflecting mirror a and a lens b, and a light shading part c for forming a low-beam cut-off line is provided on the reflected light path of the reflecting mirror a, individual components are all directly or indirectly fixedly connected to the heat sink.
  • the light source is provided at a first focal point of the reflecting mirror a
  • the light shading part c is provided at a second focal point of the reflecting mirror a
  • the lens focal point is provided at the second focal point of the reflecting mirror a
  • the changeable modeling of the vehicle lamp is limited by the space inside the lamp, but because the relative positional relationship between the optical elements of the integral-type optical system is uniquely determined, if the relative positions between the optical elements are re-changed according to the space inside the lamp, the desired light shape will not be obtained. Therefore, the integral-type optical system has lower versatility, which is not conducive to the modeling layout and/or cannot meet the space layout, and often needs to sacrifice the modeling requirements of the vehicle lamp to meet the structural requirements.
  • the headlamps, fog lamps and other functions have illuminating angle requirements after installation, they all need to be dimmed.
  • the existing vehicle lamps are generally adjusted as a whole by the vehicle lamp system, so that the adjustment space is required to be large, the mass of the optical system is larger, the requirements for the support strength and the adjustment system are also higher, and there is a risk of the illumination direction shifting after vibration.
  • the first technical problem to be solved by the present disclosure is to provide a vehicle lamp optical system, the spatial layout of each element in the vehicle lamp optical system is highly flexible, which can satisfy different vehicle lamp modelings and adapt to different lamp interior spaces.
  • the technical problem to be solved by a second aspect of the present disclosure is to provide a vehicle lamp module, the space layout of the vehicle lamp module is flexible, and the space utilization rate in the vehicle lamp is high.
  • the technical problem to be solved by a third aspect of the present disclosure is to provide a vehicle, in which the spatial layout of each element in the vehicle lamp is flexible, and the space utilization rate in the vehicle lamp is high.
  • a first aspect of the present disclosure provides a vehicle lamp optical system, which comprises a basic optical subsystem and a light reflecting system, wherein the basic optical subsystem comprises a light collimation element and an alignment optical element, the light reflecting system comprises a first plane mirror located on a light-emitting path of the alignment optical element, and/or a second plane mirror located on a light-emitting path of the light collimation element, wherein at least one of the light collimation element, the alignment optical element, the first plane mirror, and the second plane mirror is adjustable in an installation position, so as to change a relative position between at least two of the light collimation element, the alignment optical element, the first plane mirror, and the second plane mirror, so that a emitting light of the light collimation element is subjected to light path conversion through the alignment optical element and the light reflecting system and then is projected to form a set illumination light shape.
  • the basic optical subsystem comprises a light collimation element and an alignment optical element
  • the light reflecting system comprises a first plane mirror located on
  • the light reflecting system comprises the first plane mirror, and the alignment optical element is located on the light-emitting path of the light collimation element.
  • the light reflecting system comprises the second plane mirror, and the alignment optical element is located on the light-emitting path of the second plane mirror.
  • the light reflecting system comprises the first plane mirror and the second plane mirror
  • the alignment optical element is located on the light-emitting path of the second plane mirror.
  • an installation position of the basic optical subsystem or installation positions of the basic optical subsystem and the second plane mirror is/are fixed, and the first plane mirror can be translated, so that the light-emitting direction of the first plane mirror can be unchanged.
  • the first plane mirror can be rotated around any horizontal axis in a first direction
  • the basic optical subsystem or the basic optical subsystem and the second plane mirror as a whole can be rotated around any horizontal axis in a second direction
  • the first direction cooperates with the second direction so that the light-emitting direction of the first plane mirror is unchanged.
  • the first plane mirror can be rotated around any horizontal axis and/or any vertical axis, so that the set illumination light shape can be projected at a standard position.
  • the installation position of the second plane mirror is fixed, a reflecting region of the emitting light of the light collimation element on the second plane mirror is located at a fixed position on the second plane mirror, the emitting light of the light collimation element and the reflected light of the second plane mirror are symmetrical with respect to a normal of the second plane mirror located at a corresponding reflection point in the reflecting region, and the installation positions of the light collimation element and the alignment optical element can be adjusted respectively, so that the light-emitting direction of the alignment optical element can be unchanged.
  • the light collimation element is a collimator, a alignment lens or a reflective element with a reflecting surface of paraboloid shape or paraboloid-like shape.
  • the alignment optical element is a reflecting mirror with a reflecting surface of paraboloid shape or paraboloid-like shape.
  • the second aspect of the present disclosure provides a vehicle lamp module, which includes the above-mentioned vehicle lamp optical system and a light source set corresponding to the light collimation element.
  • the third aspect of the present disclosure provides a vehicle, which includes the above-mentioned vehicle lamp module.
  • the vehicle lamp optical system of the present disclosure can adjust the relative position between at least two of the light collimation element, the alignment optical element, the first plane mirror, and the second plane mirror, so that the emitting light of the light collimation element is subjected to light path conversion through the alignment optical element and the light reflecting system and then is projected to form a set illumination light shape, so as to realize the change of the spatial structure arrangement of the light collimation element, the alignment optical element and the light reflecting system, so that the spatial layout of the vehicle lamp optical system is more flexible, thereby effectively improving the space utilization rate in the vehicle lamp to meet different modelings of vehicle lamps and adapt to different interior spaces of the vehicle lamp; the light collimation element and alignment optical element can be used repeatedly on different vehicle lamps to reduce repeated development, thereby avoiding the need for overall dimming when the overall fixed vehicle lamp system is dimming, and the defects of putting forward higher requirements for the support and adjustment system.
  • the light-emitting path of a light collimation element 1 refers to a light path in a main transmission direction after the lights are converged by the light collimation element 1
  • the light-emitting path of the alignment optical element 2 refers to a light path in a main transmission direction after the light is collected and collimated by the alignment optical element 2
  • the light-emitting paths of the first plane mirror 31 and the second plane mirror 33 refer to the light paths in the main transmission directions after the lights are reflected by the plane mirrors.
  • the change of the "installation position" of an element in the vehicle lamp optical system includes the translation of the element (that is, the installation angle of the element remains unchanged, but the element moves laterally, vertically or obliquely) and/ or rotation of the element (that is, the element can be rotated around a certain axis);
  • the change of the "relative position" between two elements includes the change of the relative distance between the two elements and/or the change of the relative angle between the two elements;
  • the "standard position" of the illumination light shape refers to the projection position of the illumination light shape on the light-match screen stipulated in " GB 25991-2010 LED Headlamps for Automobiles" and other relevant regulations of the vehicle lamp.
  • a vehicle lamp optical system provided by a first aspect of the present disclosure, referring to FIG. 2 to FIG. 4 , FIG. 13 , and FIG. 21 to FIG. 24 , which comprises a basic optical subsystem and a light reflecting system 3, wherein the basic optical subsystem comprises a light collimation element 1 and an alignment optical element 2, the light reflecting system 3 comprises a first plane mirror 31 located on a light-emitting path of the alignment optical element 2, and/or a second plane mirror 33 located on a light-emitting path of the light collimation element 1, wherein at least one of the light collimation element 1, the alignment optical element 2, the first plane mirror 31, and the second plane mirror 33 is adjustable in an installation position, so as to change a relative position between at least two of the light collimation element 1, the alignment optical element 2, the first plane mirror 31, and the second plane mirror 33, so that the emitting light of the light collimation element 1 is subjected to light path conversion through the alignment optical element 2 and the light reflecting system 3 and then is projected to form a set illumination light shape
  • the installation position of the alignment optical element 2 may be located on the light-emitting path of the light collimation element 1, or may be located on the light-emitting path of a certain plane mirror (for example, the second plane mirror 33); the installation positions of the light collimation element 1, the alignment optical element 2, the first plane mirror 31 and the second plane mirror 33 can be performed by driving adjustment through connecting with the driving mechanism respectively or manual adjustment; the set illumination light shape may be set according to the vehicle lamp system where the vehicle lamp optical system is located, for example, it may be a low-beam illumination light shape, or a high-beam illumination light shape of headlamp or other vehicle lamp illumination light shapes.
  • the installation position of at least one of the light collimation element 1, the alignment optical element 2, the first plane mirror 31 and the second plane mirror 33 can be adjusted, and then the shape of light shape formed on the light-match screen is the same as the shape of set illumination light shape.
  • the light collimation element 1, the alignment optical element 2, the first plane mirror 31 and the second plane mirror 33 may be respectively adjustable in installation positions, or the installation position of one of them may be fixed, and the other three may be adjustable in the installation positions, or the installation positions of two of them are fixed, and the other two are adjustable in the installation positions, or the installation positions of three of them are fixed, and the remaining one is adjustable in installation position thereof, so as to adjust the relative position between at least two of the light collimation element 1, the alignment optical element 2, the first plane mirror 31 and the second plane mirror 33, thereby meeting the different modelings of vehicle lamps and adapting to different interior spaces of the vehicle lamps, and simultaneously, the collimation of the alignment optical element 2 cooperates with the reflection of the light reflecting system 3, so that the emitting light of the light collimation element 1 is still projected in an original light-emitting direction after the light path conversion and forms the set illumination light shape, so as to achieve flexible changes in the spatial structure arrangement of
  • the set illumination light shape may be a low-beam illumination light shape with a light-and-dark cut-off line as shown in FIG. 29 , or a high-beam illumination light shape with a central brightness maximum value as shown in FIG. 30 .
  • the basic optical subsystem may be provided with a corresponding cut-off structure or light-shielding structure, so that the emitting light of the light collimation element 1 is subjected to light path conversion through the alignment optical element 2 and the light reflecting system 3 and then is projected to form a illumination light shape, which has the desired cut-off line and other edge shapes of light shape, wherein the cut-off structure or the light-shielding structure may be provided on the light collimation element 1 or the alignment optical element 2, or an element with a cut-off structure or a light-shielding structure may be separately provided in the basic optical subsystem.
  • the set illumination light shape is the low-beam illumination light shape, as shown in FIG. 2 .
  • the light-emitting boundary 1a of the light collimation element 1 may be provided in a shape corresponding to the light-and-dark cut-off line of the low-beam illumination light shape, so that the emitting light of the light collimation element 1 forms a light shape with a boundary line between light and dark regions, which is subjected to light path conversion through the alignment optical element 2 and the light reflecting system 3 and then is projected to form a low-beam illumination light shape as shown in FIG. 29 ; a light-shielding plate may also be provided on the light-emitting path of the light collimation element 1, and similarly, a light-and-dark cut-off line of the low-beam illumination light shape may be formed.
  • the light collimation element 1 is provided as an element capable of converging the light emitted by the corresponding light source, so that the output light is substantially parallel, preferably, referring to FIG. 9-FIG. 12 , FIG. 17-FIG. 20 , and FIG. 25-FIG. 28 , the light collimation element 1 is a collimator, a alignment lens or a reflective element with a paraboloid-shaped or paraboloid-like-shaped reflecting surface. Referring to FIG. 9 to FIG.
  • the light collimation element 1 is a reflective element with a reflecting surface of paraboloid shape or paraboloid-like shape
  • the light emitted by the light source that is, the light source 4 in the following
  • the light source 4 in the following corresponding to the light collimation element 1
  • the effect of gathering light is realized; referring to FIG. 17 to FIG.
  • the light collimation element 1 is a collimator, the collimator is a light gathering cup structure, outer contour surface thereof is cup-shaped, the light emitted by the light source 4 enters into the collimator, and a part of the light is directly transmitted to the light-emitting end of the collimator, a part of the light is reflected by the outer contour surface of the collimator and then transmitted to the light-emitting end of the collimator, so as to converge the light;
  • the light collimation element 1 is a alignment lens , which may be a plano-convex lens or a double-convex lens. The light emitted by the light source 4 enters the alignment lens, and then is refracted by the alignment lens, thereby achieving the effect of gathering light.
  • the alignment optical element 2 is provided as an element capable of collecting and collimating the light incident on the alignment optical element 2 and then exiting the light.
  • the alignment optical element 2 is a reflecting mirror with a reflecting surface of paraboloid shape or paraboloid-like shape.
  • the light reflecting system 3 includes a first plane mirror 31, and the alignment optical element 2 is located on the light-emitting path of the light collimation element 1. At this time, the emitting light of the light collimation element 1 is collimated and projected to the first plane mirror 31 through the alignment optical element 2, then reflected by the first plane mirror 31 and then projected to form a set illumination light shape.
  • the relative position of the light collimation element 1 and the alignment optical element 2 is fixed.
  • the structural positions of the light collimation element 1 and the alignment optical element 2 in the basic optical subsystem remain unchanged, and the basic optical subsystem can be fixedly connected with other components such as the heat sink in the vehicle lamp module to form an assembly.
  • the relative position of the first plane mirror 31 and the basic optical subsystem is adjusted to obtain the set illumination light shape projected in the original light-emitting direction and formed.
  • the installation position of the basic optical subsystem is fixed, and the first plane mirror 31 can be translated, so that the light-emitting direction of the first plane mirror 31 can be unchanged.
  • the position where the first plane mirror 31 is located may not be installed.
  • the first plane mirror 31 can be translated in a light-emitting direction of the alignment optical element 2 to the position where the dotted line is located, at this time, although the relative position of the first plane mirror 31 and the basic optical subsystem has changed, the emitting light of the first plane mirror 31 still emits in parallel and forwardly in an original direction, that is, the light-emitting direction of the first plane mirror 31 remains unchanged, and a set illumination light shape is formed by projection, which will not affect the light shape of the vehicle lamp. Therefore, the position of the first plane mirror 31 can be performed by installation position adjustment according to the layout of other components in the vehicle lamp, so that the vehicle lamp optical system of the present disclosure can be applied to various modelings and different space sizes of vehicle lamps. It should be noted that, the translation direction of the first plane mirror 31 is not limited to the light-emitting direction of the alignment optical element 2, and may also be a horizontal, vertical or other oblique translation.
  • the first plane mirror 31 can be rotated around any horizontal axis in a first direction, and the basic optical subsystem can be rotated around any horizontal axis in a second direction, the first direction cooperates with the second direction so that the light-emitting direction of the first plane mirror 31 remains unchanged.
  • the horizontal axis refers to a horizontal axis extending in a left-right direction of the vehicle.
  • the first plane mirror 31 and the basic optical subsystem can be rotated around the same horizontal axis, or can be rotated around different horizontal axes respectively.
  • the unchanged light-emitting direction of the first plane mirror 31 is achieved through the rotation cooperation of the two. Specifically, referring to FIG.
  • the basic optical subsystem may not be able to be positioned and installed due to the interference of other components (such as the decorative ring) in the lamp body of vehicle lamp.
  • the first plane mirror 31 is rotated around the horizontal axis passing through end point 3a thereof, and the first plane mirror 31 is rotated clockwise around the horizontal axis to the position of the dotted line, the emitting light of the first plane mirror 31 is deflected downward, and then the basic optical subsystem is rotated counterclockwise around a certain horizontal axis, so that the emitting light is restored to emit forwardly and in parallel in an original light-emitting direction, and simultaneously, the basic optical subsystem can also avoid the interference of other components.
  • the relative position of the first plane mirror 31 and the basic optical subsystem is changed, so that the light-emitting direction of the first plane mirror 31 remains unchanged and a set illumination light shape is formed by projection.
  • the light reflecting system 3 includes a second plane mirror 33, and the alignment optical element 2 is located on the light-emitting path of the second plane mirror 33. At this time, the emitting light of the light collimation element 1 is reflected by the second plane mirror 33 to the alignment optical element 2, and then collimated by the alignment optical element 2 for projecting to form a set illumination light shape.
  • the installation position of the second plane mirror 33 is fixed, a reflecting region 32 of the emitting light of the light collimation element 1 on the second plane mirror 33 is located at a fixed position on the second plane mirror 33, the emitting light of the light collimation element 1 and the reflected light of the second plane mirror 33 are symmetrical with respect to a normal of the second plane mirror 33 located at a corresponding reflection point in the reflecting region 32, and the installation positions of the light collimation element 1 and the alignment optical element 2 can be adjusted respectively, so that the light-emitting direction of the alignment optical element 2 can be unchanged.
  • the installation positions of the light collimation element 1 and the alignment optical element 2 can respectively be adjusted according to the positions of other components in the vehicle lamp and the internal space size of the vehicle lamp, and the two cooperate with each other during adjustment to change the relative positions of the light collimation element 1 and the alignment optical element 2 with respect to the second plane mirror 33, so that the emitting light of the light collimation element 1 can be projected to the same position of the second plane mirror 33 (that is, the reflecting region 32), and is reflected to the same position of the alignment optical element 2 by the second plane mirror 33, thereby achieving unchanged emitting direction of the light collimated by the alignment optical element 2.
  • the light collimation element 1 and the alignment optical element 2 can respectively perform a circumferential movement around the reflecting region 32, wherein after one of the light collimation element 1 and the alignment optical element 2 moves in a clockwise direction, the other moves in a counterclockwise direction.
  • the light collimation element 1 can also be moved in a light-emitting direction of the light collimation element 1, and the alignment optical element 2 can be moved in a light-emitting direction of the second plane mirror 33, so as to adjust the installation positions of the two, thereby avoiding other components.
  • the light reflecting system 3 includes a first plane mirror 31 and a second plane mirror 33, and the alignment optical element 2 is located on the light-emitting path of the second plane mirror 33.
  • the emitting light of the light collimation element 1 is reflected by the second plane mirror 33 to the alignment optical element 2, then collimated by the alignment optical element 2 and projected to the first plane mirror 31, and finally reflected by the first plane mirror 31 and then projected to form a set illumination light shape.
  • the installation position of the second plane mirror 33 is fixed, a reflecting region 32 of the emitting light of the light collimation element 1 on the second plane mirror 33 is located at a fixed position on the second plane mirror 33, the emitting light of the light collimation element 1 and the reflected light of the second plane mirror 33 are symmetrical with respect to a normal of the second plane mirror 33 located at a corresponding reflection point in the reflecting region 32, and the installation positions of the light collimation element 1 and the alignment optical element 2 can be adjusted respectively, so that the light-emitting direction of the alignment optical element 2 can be unchanged.
  • the installation positions of the light collimation element 1 and the alignment optical element 2 can respectively be adjusted according to the positions of other components in the vehicle lamp and the internal space size of the vehicle lamp, and the two cooperate with each other during adjustment, so that the emitting light of the light collimation element 1 can be projected to the same position of the second plane mirror 33 (that is, the reflecting region 32), and is reflected to the same position of the alignment optical element 2 by the second plane mirror 33, thereby achieving unchanged emitting direction of the light collimated by the alignment optical element 2.
  • the installation positions of the basic optical subsystem and the second plane mirror 33 are fixed, and the first plane mirror 31 can be translated, so that the light-emitting direction of the first plane mirror 31 can be unchanged.
  • the first plane mirror 31 can be translated horizontally, vertically or obliquely, so that the position of the first plane mirror 31 can be performed by installation position adjustment according to the layout of other components in the vehicle lamp, so that the vehicle lamp optical system of the present disclosure can be applied to various moldings, and different space sizes of vehicle lamps.
  • the first plane mirror 31 can be rotated around any horizontal axis in a first direction, and the basic optical subsystem and the second plane mirror 33 as a whole can be rotated around any horizontal axis in a second direction, the first direction cooperates with the second direction so that the light-emitting direction of the first plane mirror 31 is unchanged.
  • the basic optical subsystem and the second plane mirror 33 as the whole and the first plane mirror 31 can be rotated around the same horizontal axis, or can be rotated around different horizontal axes respectively.
  • the light-emitting direction of the first plane mirror 31 is kept unchanged through the rotation cooperation of the two.
  • the first plane mirror 31, the basic optical subsystem and the second plane mirror 33 can respectively avoid the interference of other components (such as the decorative ring) in the lamp body of vehicle lamp.
  • the first plane mirror 31 can be rotated around any horizontal axis and/or any vertical axis, so that the set illumination light shape can be projected at a standard position.
  • the light-emitting direction of the vehicle lamp optical system can be adjusted, so that the set illumination light shape formed by the projection of the emitting light of the first plane mirror 31 is located at the standard position specified by the regulations.
  • the adjustment method can effectively reduce the dimming space of the vehicle lamp optical system and the weight of the component adjusted, thereby contributing to the improvement of the reliability of the vehicle lamp.
  • a second aspect of the present disclosure provides a vehicle lamp module, which comprises the above-mentioned vehicle lamp optical system and the light source 4 provided corresponding to the light collimation element 1.
  • the light source 4 may be an LED light source or a laser light source, and preferably, the light source 4 is an LED light-emitting chip.
  • the vehicle lamp module can also be provided with components, such as mounting bracket 5, or heat sink, cooperating with the vehicle lamp optical system.
  • the above-mentioned vehicle lamp optical system can cooperate with other components in the vehicle lamp module, so as to effectively improve the flexibility of the space layout and the space utilization rate of the vehicle lamp module.
  • a third aspect of the present disclosure provides a vehicle, which includes the above-mentioned vehicle lamp module. Therefore, there are at least all the beneficial effects brought by the technical solutions of the above embodiments of the vehicle lamp optical system and the vehicle lamp module, which will not be repeated here.
  • the vehicle lamp optical system of the present disclosure can adjust the relative position between at least two of the light collimation element 1, the alignment optical element 2, the first plane mirror 31 and the second plane mirror 33, so that a emitting light of light collimation element 1 is subjected to light path conversion through the alignment optical element 2 and the light reflecting system 3 and then is projected to form a set illumination light shape, thereby realizing the change of the spatial structure arrangement of the light collimation element 1, the alignment optical element 2 and the light reflecting system 3, which makes the spatial layout of the vehicle lamp optical system more flexible, and effectively improves the space utilization rate in the vehicle lamp, so as to meet the different moldings of vehicle lamps and adapt to different interior spaces of vehicle lamps; the light collimation element 1 and the alignment optical element 2 can be used repeatedly on different vehicle lamps (such as headlamp, fog lamp) to reduce repetitive development.
  • vehicle lamps such as headlamp, fog lamp
  • the light-emitting direction of the vehicle lamp optical system can be adjusted so that the illumination light shape is located at the standard position, which can effectively reduce the dimming space and the weight of the components adjusted, contribute to the improvement of the reliability of the vehicle lamp, avoid the need for overall dimming when the overall fixed vehicle lamp system is dimming, and the defects of putting forward higher requirements for the support and adjustment system.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP21833529.7A 2020-06-29 2021-03-12 Système optique de lampe de véhicule, module de lampe de véhicule, et véhicule Pending EP4137742A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010609464.8A CN113932189A (zh) 2020-06-29 2020-06-29 车灯光学系统、车灯模组和车辆
PCT/CN2021/080536 WO2022001179A1 (fr) 2020-06-29 2021-03-12 Système optique de lampe de véhicule, module de lampe de véhicule, et véhicule

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EP4137742A1 true EP4137742A1 (fr) 2023-02-22
EP4137742A4 EP4137742A4 (fr) 2023-10-18

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116147897B (zh) * 2023-02-03 2025-07-29 常州星宇车灯股份有限公司 车灯调光试验装置
CN116241822A (zh) * 2023-03-14 2023-06-09 马瑞利汽车零部件(芜湖)有限公司 窄开口车灯构型及其调节方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3342919A1 (de) * 1983-11-26 1985-06-05 Bosch Gmbh Robert Scheinwerfer fuer kraftfahrzeuge
KR0135834B1 (ko) * 1994-10-28 1998-04-24 김광호 램프의 그림자를 없애기 위한 이중 반사경을 구비한 광원 장치
JP3148575B2 (ja) * 1995-06-08 2001-03-19 本田技研工業株式会社 車両用前照灯装置
DE102004032095A1 (de) * 2004-07-01 2006-02-16 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
AT500893B1 (de) * 2004-10-14 2006-11-15 Zizala Lichtsysteme Gmbh Fahrzeugscheinwerfer
JP5831788B2 (ja) * 2011-07-01 2015-12-09 スタンレー電気株式会社 車両用灯具ユニット
FR2982929B1 (fr) * 2011-11-22 2014-01-17 Valeo Vision Dispositif d'emission de lumiere pour projecteur de vehicule automobile
TWI565605B (zh) * 2012-02-20 2017-01-11 鴻海精密工業股份有限公司 車前燈燈具模組
CN103900004A (zh) * 2012-12-26 2014-07-02 鸿富锦精密工业（深圳）有限公司 车灯系统
CN104676490B (zh) * 2015-02-16 2017-01-04 深圳市科曼医疗设备有限公司 照明组件和手术灯
FR3038697B1 (fr) * 2015-07-10 2017-08-11 Valeo Vision Procede de controle d’un faisceau lumineux et module d’eclairage et/ou de signalisation correspondant
AT517885B1 (de) * 2015-10-23 2018-08-15 Zkw Group Gmbh Mikroprojektions-Lichtmodul für einen Kraftfahrzeugscheinwerfer zur Erzeugung von abbildungsfehlerfreien Lichtverteilungen
KR20170079355A (ko) * 2015-12-30 2017-07-10 엘지이노텍 주식회사 발광 장치, 이 장치를 포함하는 광학 모듈, 및 이 모듈을 포함하는 차량
DE102016108265A1 (de) * 2016-05-04 2017-11-09 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
CN206522707U (zh) * 2016-12-30 2017-09-26 徐煜 远近光一体的车灯结构
CN207831253U (zh) * 2018-01-16 2018-09-07 深圳市中科创激光技术有限公司 一种自适应三基色汽车大灯
CN210740276U (zh) * 2019-11-13 2020-06-12 华域视觉科技(上海)有限公司 一种近光反射型前照灯模组和车辆
CN212565607U (zh) * 2020-06-29 2021-02-19 华域视觉科技(上海)有限公司 车灯光学系统、车灯模组和车辆

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