CN115076654A - Projection lamp for vehicle and vehicle with projection lamp for vehicle - Google Patents

Projection lamp for vehicle and vehicle with projection lamp for vehicle Download PDF

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Publication number
CN115076654A
CN115076654A CN202110268732.9A CN202110268732A CN115076654A CN 115076654 A CN115076654 A CN 115076654A CN 202110268732 A CN202110268732 A CN 202110268732A CN 115076654 A CN115076654 A CN 115076654A
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China
Prior art keywords
imaging
lens
illumination
light
unit
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Pending
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CN202110268732.9A
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Chinese (zh)
Inventor
姜君城
周成
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Zhejiang Bicom Optics Co ltd
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Zhejiang Bicom Optics Co ltd
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Priority to CN202110268732.9A priority Critical patent/CN115076654A/en
Publication of CN115076654A publication Critical patent/CN115076654A/en
Pending legal-status Critical Current

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    • 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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • 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]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The invention provides a vehicle projection lamp and a vehicle with the vehicle projection lamp, wherein the vehicle projection lamp comprises a light source, a lens group and an imaging device, wherein the lens group comprises at least one imaging lens and at least one illuminating lens, the imaging lens and the illuminating lens of the lens group form an optical axis, the light source is positioned at one side of the illuminating lens of the lens group, the imaging device is positioned between the imaging lens and the illuminating lens, illuminating light generated by the light source is guided by the illuminating lens and forms an illuminating optical path, the illuminating light is incident to the imaging device and is transmitted as imaging light by the imaging device, the imaging light is guided by the imaging lens and forms an imaging optical path, the imaging light is obliquely projected to the ground along the imaging optical path, to correct the projected image that the driver of the vehicle body observes based on his own perspective.

Description

Projection lamp for vehicle and vehicle with projection lamp for vehicle
Technical Field
The invention relates to the field of vehicle-mounted equipment, in particular to a vehicle projection lamp and a vehicle with the vehicle projection lamp.
Background
In recent years, light projection has been widely used in our lives, for example, in outdoor activities, people can enjoy light shows projected on the outer facade of buildings, and even in stage dramas and music dramas, the visual feast brought by the light projection can be enjoyed. The light not only stays at the lighting level, but also the car light can transmit the driving signal to the driver in a projection mode besides lighting. Such as a projection lamp disposed under a door of a vehicle, can illuminate a partial area for a driver and project a fine pattern when a passenger or the driver gets off the vehicle.
The projection vehicle lamp of the prior art has a short projection distance and is mostly installed at the lower side of a door frame of a vehicle and a trunk position of the vehicle so as to provide warning information or partial area illumination information for a driver when parking. In addition to the illumination function, the projection lamp for the vehicle in the prior art also adds pattern information to the projection information, for example, a static projection lamp can be used to project a danger warning prompt signal of the vehicle to remind a driver of safe driving. The projection lamp for vehicles also has dynamic effects, such as a turn signal lamp and a dynamic display lamp like a signal lamp, which can attract the attention of road users by means of animation projection. Such projection lighting devices combine a set of predefined symbols and graphics with an animation.
Because the projection lamp of vehicle has certain distance from ground, the pattern display that its projection came out is relevant at ground and projection lamp and ground contained angle, and the driver looks at the angle in the car and can make the pattern shape change that the driver saw to influence the correct judgement of driver to the projection pattern.
Disclosure of Invention
One of the main advantages of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the projection lamp for a vehicle is mounted to a body of a vehicle and has a predetermined inclined mounting angle with respect to the ground, and the projection lamp for a vehicle corrects a projection pattern projected onto the ground so that the projection lamp for a vehicle irradiates a road surface at a certain angle to form a certain regular pattern.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the projection lamp projects a projection pattern outward as reverse corrected pattern information, wherein the projection pattern is projected on the ground, and the projection pattern image viewed by a user at his or her own position is regular.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the projection lamp for a vehicle includes at least a light source, an imaging device and a lens set, wherein the light source and the imaging device are disposed along an optical axis of the lens set, and wherein the imaging device has a predetermined inclined installation angle with respect to the optical axis to correct a shape of a projection pattern of the projection lamp for a vehicle projected onto a ground, which is advantageous for a driver in the vehicle to observe in the vehicle.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the projection lamp for a vehicle includes at least a light source, an imaging device and a lens set, wherein the light source and the imaging device are disposed along an optical axis of the lens set, and wherein the light source has a predetermined inclined installation angle with respect to the optical axis to correct a shape of a projection pattern of the projection lamp for a vehicle projected onto a ground surface, which is convenient for a driver in the vehicle to view in the vehicle.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, in which the projection lamp for a vehicle projects pattern information to the ground at a specific projection viewing angle, and in which a driver in the vehicle can observe appropriate projection information at the viewing angle of the driver's position.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, in which the projection lamp for a vehicle has a simple installation structure, does not require a complicated process, simplifies the complexity of a projection apparatus, and is advantageous for reducing the cost of the apparatus.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the imaging component of the projection lamp for a vehicle inversely corrects projection pattern information according to an actually required pattern in combination with a lens structure, so as to facilitate a driver's view in the vehicle.
Another advantage of the present invention is to provide a projection lamp for a vehicle and a vehicle having the same, wherein the projection lamp for a vehicle projects a pattern 1m away from the ground and is irradiated on the ground at an inclination of 56 degrees to form a stripe pattern of 3.8m, wherein the pattern is projected in front of the vehicle, and the driving assistance information is provided to the driver through the pattern.
In accordance with one aspect of the present invention, the vehicular projection lamp of the present invention, which can achieve the foregoing and other objects and advantages, is adapted to a vehicle body, comprising:
a light source;
a lens assembly, wherein said lens assembly comprises at least one imaging lens and at least one illumination lens, said imaging lens and said illumination lens of said lens assembly forming an optical axis, said light source being located on one side of said illumination lens of said lens assembly; and
an imaging device, wherein the imaging device is located between the imaging lens and the illumination lens, and the illumination light generated by the light source is guided by the illumination lens and forms an illumination light path, wherein the illumination light enters the imaging device and is transmitted as imaging light by the imaging device, wherein the imaging light is guided by the imaging lens and forms an imaging light path, wherein the imaging light is projected obliquely downwards to the ground along the imaging light path so as to correct a projected image of a driver of the vehicle body based on his own viewing angle.
According to one embodiment of the present invention, the optical axis direction of the lens group has a preset angle θ with the horizontal direction, wherein the direction of the imaging optical path formed by the vehicle projection lamp is inclined downward, and the vehicle projection lamp projects the imaged projection image light to the ground based on the imaging optical path.
According to an embodiment of the present invention, a predetermined angle α exists between the imaging device and the optical axis of the lens group, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects to the ground obliquely and downwardly along the imaging optical path.
According to an embodiment of the present invention, a predetermined angle α exists between the imaging device and the optical axis of the lens group, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects to the ground obliquely and downwardly along the imaging optical path.
According to an embodiment of the present invention, the light source is offset from the optical axis of the lens group or a predetermined angle β exists between the light source and the optical axis of the lens group, wherein the light generated by the light source is guided by the illumination lens and enters the imaging device obliquely downward along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects outward to the ground obliquely downward along the imaging optical path.
According to an embodiment of the present invention, the illumination lens further includes a first illumination lens unit and a second illumination lens unit, wherein the first illumination lens unit and the second illumination lens unit are arranged between the light source and the imaging device in the optical axis direction.
According to an embodiment of the present invention, the imaging lens includes a first imaging lens unit, a second imaging lens unit, and a third imaging lens unit, wherein the first imaging lens unit, the second imaging lens unit, and the third imaging lens unit are sequentially arranged at intervals from each other along the optical axis direction.
According to one embodiment of the present invention, the image forming apparatus includes at least one image forming unit and at least one image fixing device fixing the image forming unit, wherein the image forming unit is held and fixed by the image fixing device to maintain a position and an angle of the image forming unit.
According to an embodiment of the present invention, the imaging device further comprises at least one lens fixing device and a lens barrel, wherein the lens group and the imaging device are fixed to the lens fixing device, and the lens fixing device is fixed by the lens barrel to maintain the positions of the lens units of the lens group and the imaging device.
According to an embodiment of the present invention, the lens barrel further includes a base, the base and the lens barrel form a sealed accommodating space, wherein the lens fixing device and the light source are accommodated in the accommodating space.
According to one embodiment of the present invention, the light source includes at least one light source unit and a circuit board electrically connected to the light source unit, wherein the light source unit is attached to the circuit board.
According to another aspect of the present invention, the present invention further provides a vehicle characterized by comprising:
a vehicle body; and
at least one vehicular projection lamp mounted to the vehicle body, the vehicular projection lamp including:
a light source;
a lens assembly, wherein said lens assembly comprises at least one imaging lens and at least one illumination lens, said imaging lens and said illumination lens of said lens assembly forming an optical axis, said light source being located on one side of said illumination lens of said lens assembly; and
an imaging device, wherein the imaging device is located between the imaging lens and the illumination lens, and the illumination light generated by the light source is guided by the illumination lens and forms an illumination light path, wherein the illumination light enters the imaging device and is transmitted as imaging light by the imaging device, wherein the imaging light is guided by the imaging lens and forms an imaging light path, wherein the imaging light is projected obliquely downwards to the ground along the imaging light path so as to correct a projected image of a driver of the vehicle body based on his own viewing angle.
According to one embodiment of the present invention, the optical axis direction of the lens group has a preset angle θ with the horizontal direction, wherein the direction of the imaging optical path formed by the vehicle projection lamp is inclined downward, and the vehicle projection lamp projects the imaged projection image light to the ground based on the imaging optical path.
According to an embodiment of the present invention, a preset angle α exists between the imaging device and the optical axis of the lens group, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects to the ground obliquely and downwards along the imaging optical path.
According to an embodiment of the present invention, a predetermined angle α exists between the imaging device and the optical axis of the lens group, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects to the ground obliquely and downwardly along the imaging optical path.
According to an embodiment of the present invention, the light source is offset from the optical axis of the lens group or a predetermined angle β exists between the light source and the optical axis of the lens group, wherein the light generated by the light source is guided by the illumination lens and enters the imaging device obliquely downward along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projects outward to the ground obliquely downward along the imaging optical path.
According to an embodiment of the present invention, the illumination lens further includes a first illumination lens unit and a second illumination lens unit, wherein the first illumination lens unit and the second illumination lens unit are arranged between the light source and the imaging device in the optical axis direction.
According to an embodiment of the present invention, the imaging lens includes a first imaging lens unit, a second imaging lens unit, and a third imaging lens unit, wherein the first imaging lens unit, the second imaging lens unit, and the third imaging lens unit are sequentially arranged at intervals from each other along the optical axis direction.
According to one embodiment of the present invention, the image forming apparatus includes at least one image forming unit and at least one image fixing device fixing the image forming unit, wherein the image forming unit is held and fixed by the image fixing device to maintain a position and an angle of the image forming unit.
According to an embodiment of the present invention, the imaging device further comprises at least one lens fixing device and a lens barrel, wherein the lens group and the imaging device are fixed to the lens fixing device, and the lens fixing device is fixed by the lens barrel to maintain the positions of the lens units of the lens group and the imaging device.
According to an embodiment of the present invention, the lens barrel further includes a base, the base and the lens barrel form a sealed accommodating space, wherein the lens fixing device and the light source are accommodated in the accommodating space.
According to one embodiment of the present invention, the light source includes at least one light source unit and a circuit board electrically connected to the light source unit, wherein the light source unit is attached to the circuit board.
Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and the accompanying drawings.
Drawings
Fig. 1 is an overall schematic view of a vehicle according to a first preferred embodiment of the present invention.
FIG. 2A is a schematic view of the vehicle projection according to the above preferred embodiment of the present invention.
Fig. 2B is a schematic diagram of the vehicle driver viewing the projected image according to the above preferred embodiment of the present invention.
Fig. 3 is a schematic view of a vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 4 is a sectional view of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 5 is a schematic system optical path diagram of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 6 is a diagram of the system actual projection effect of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 7 is a detailed view of the installation angle of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 8 is a schematic structural view of the vehicular projection lamp of the vehicle according to another preferred embodiment of the present invention.
Fig. 9 is a schematic system optical path diagram of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Fig. 10 is a schematic structural view of the vehicular projection lamp of the vehicle according to another preferred embodiment of the present invention.
Fig. 11 is a schematic system optical path diagram of the vehicular projection lamp of the vehicle according to the above preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 to 7 of the drawings accompanying this specification, a vehicular projection lamp 100 and a vehicle having the vehicular projection lamp 100 according to a first preferred embodiment of the present invention will be explained in the following description. The vehicle comprises a vehicle body 200, wherein at least one vehicle projection lamp 100 is mounted on the vehicle body 200, the vehicle projection lamp 100 projects projection information to the ground based on the position of the vehicle body 200, and a driver of the vehicle can observe the image information projected on the ground by the vehicle projection lamp 100 based on the position of the driver. It should be noted that, in the preferred embodiment of the present invention, the projection information projected by the vehicle projection lamp 100 toward the ground at a specific projection angle forms a regular pattern, so that the person in the vehicle can observe the pattern information projected on the ground.
As an example, in the preferred embodiment of the present invention, the projection lamp 100 for a vehicle is disposed at the front end of the vehicle, wherein the projection lamp 100 for a vehicle is disposed at a specific inclination angle to the vehicle body 200, and the projection lamp 100 for a vehicle projects a stripe pattern toward the ground at a specific inclination angle, wherein the stripe pattern formed by projection is projected in front of the vehicle or at the position of the rear view mirror of the vehicle, so that the driver of the vehicle and other drivers of vehicles near the vehicle can use the projected stripe pattern as the reference information for driving the vehicle. A driver in a vehicle observes a regular projection pattern of the vehicular projection lamp projected in front of the vehicle based on the own viewing angle position.
It will be understood by those skilled in the art that the position where the projection lamp 100 for a vehicle is mounted to the vehicle body 200 is merely an example, and in other alternative embodiments of the present invention, the projection lamp 100 for a vehicle may be further disposed at a side or rear position of the vehicle body 200. It should be noted that the vehicle projection lamp 100 projects the projection pattern from the position of the vehicle body 200 in an inclined manner, wherein the pattern projected on the ground by the vehicle projection lamp 100 looks like a regular pattern, such as a regular stripe pattern, a character or number pattern, and other graphic file patterns, etc., to the driver of the vehicle.
Therefore, the projection pattern is projected on the ground by the vehicular projection lamp 100 at a specific inclination angle, so that the driver in the vehicle sees regular pattern information by observation based on his/her own position.
The vehicular projection lamp 100 comprises at least a light source 10, an imaging device 20 and a lens assembly 30, wherein the lens assembly 30 has an optical axis O, and the light source 10 and the imaging device 20 are disposed along the optical axis O of the lens assembly 30. The light source 10 is located at the front end of the lens assembly 30, and light generated by the light source 10 forms an illumination light path 101 projecting outwards through the lens assembly 30. The imaging device 20 is disposed on the lens assembly 20, wherein the lens assembly 30 guides the light of the illumination light path 101 to the imaging device 20, and the light of the illumination light path 101 forms projection light with projection pattern information through the imaging device 20. The projection light passing through the imaging device 20 forms an imaging light path 102 through the lens assembly 30, wherein the projection light is projected to the ground through the imaging light path 102 to form the projection pattern.
It should be noted that, in the preferred embodiment of the present invention, the projection lamp 100 projects the projection pattern toward the ground at a predetermined projection angle inclined downward based on its own position. Projection light corresponding to the projection pattern is projected to the ground around the vehicle through the imaging optical path 102 formed by the lens group 30. As an example, the projection lamp 100 for a vehicle is disposed at the front end of the vehicle body 200, wherein the projection pattern projected by the projection lamp 100 for a vehicle is prompt information of the vehicle or a pre-driving track corresponding to wheels during driving of the vehicle, so that a driver can determine a road condition and adjust driving according to the projection pattern projected by the projection lamp 100 for a vehicle.
As shown in fig. 7, the optical axis O direction of the lens group 30 of the projection lamp 100 for a vehicle has a preset angle θ with the horizontal direction, wherein the direction of the imaging optical path 102 formed by the projection lamp 100 for a vehicle is inclined downward, and the projection lamp 100 for a vehicle projects the imaged projection image light to the ground based on the imaging optical path 102. It should be noted that the vehicle projection lamp 100 projects the projection image light to the ground based on a preset installation angle θ, and the projection light projected by the vehicle projection lamp 100 forms an imaging area 103 through the imaging light path 102, wherein the projection image is projected to form on the imaging area 103.
It should be noted that the imaging area 103 formed by the projection light projected by the vehicular projection lamp 100 is a strip-shaped area, and the projection image of the imaging area 103 observed by the driver based on the position of the driver is regular projection image information. Therefore, in the preferred embodiment of the present invention, the vehicle projection lamp 100 projects the projection image light to the ground based on the preset installation angle θ and projects a pre-corrected projection image on the ground so that the projection image viewed by the driver in the vehicle is a regular image adapted to the driver's view angle.
It should be noted that the vehicular projection lamp 100 projects the projection light to the ground along the imaging light path 102 based on a preset installation angle θ, wherein the projection light forms a long-strip-shaped projection pattern in the imaging area 103.
By way of example, in the preferred embodiment of the present invention, the projection lamp 100 for vehicle is 1m high from the ground, wherein the projection lamp 100 for vehicle is inclined downward 56 degrees to illuminate the ground, forming a stripe pattern of 3.8 m. It is to be understood that the projection angle and the formed pattern shape of the vehicular projection lamp 100 are only exemplified and not limited herein.
As shown in fig. 3 and 4, the lens assembly 30 of the vehicular projection lamp 100 includes at least one illumination lens 31 and at least one imaging lens 32, wherein the imaging device 20 is disposed between the at least one illumination lens 31 and the at least one imaging lens 32. The at least one illumination lens 31 and the at least one imaging lens 32 of the lens set 30 are sequentially arranged at intervals along the optical axis O, wherein the light projected by the light source 10 forms the illumination light path 101 through the illumination lens 31 of the lens set 30, the illumination light is projected to the imaging device 20 along the illumination light path 101, the illumination light forms the imaging light through the imaging device 20, the imaging light forms the imaging light path 102 through the imaging lens 32 of the lens set 30, and the imaging light is projected to the ground along the imaging light path 102 to form the projected image.
Preferably, in the preferred embodiment of the present invention, the imaging device 20 can be but is not limited to a film imaging device, wherein the imaging device 20 is provided with image information corresponding to a projected image, the illuminating light is partially blocked by the imaging device 20, and the light transmitted through the imaging device 20 is projected outward through the presenting lens 32 of the lens set 30 to form the projected image.
In the preferred embodiment of the present invention, the illumination lens 31 of the lens group 30 further includes a first illumination lens unit 311 and a second illumination lens unit 312, wherein the first illumination lens unit 311 and the second illumination lens unit 312 are arranged between the light source 10 and the imaging device 20 in the optical axis direction. The first illumination lens unit 311 and the second illumination lens unit 312 of the illumination lens 31 are disposed with a preset interval distance to adjust the incident angle and the amount of light projected to the imaging device 20.
Preferably, in the preferred embodiment of the present invention, the first illumination lens unit 311 and the second illumination lens unit 312 guide the light emitted from the light source 10 to be perpendicular to the imaging device 20 through the illumination light path 101. In other words, the illumination lens 31 directs the illumination light emitted from the light source 10 to be incident perpendicularly to the imaging device 20, wherein the imaging light is projected perpendicularly to the imaging device 20 along the optical axis direction O to the imaging lens 32.
More preferably, in the preferred embodiment of the present invention, the light source 10 is disposed behind the illumination lens 31 along the optical axis O, wherein the illumination light emitted from the light source 10 is scattered by the first illumination lens unit 311 and then guided by the second illumination lens unit 312 to form an optical path perpendicular to the imaging device 20. The opposing faces of the first illumination lens unit 311 and the second illumination lens unit 312 are convex faces, and the opposing sides of the first illumination lens unit 311 and the second illumination lens unit 312 are planar structures.
The imaging lens 32 includes a first imaging lens unit 321, a second imaging lens unit 322, and a third imaging lens unit 323, wherein the first imaging lens unit 321, the second imaging lens unit 322, and the third imaging lens unit 323 are sequentially arranged at intervals along the optical axis O direction, wherein the imaging lens 32 is located at a side of the imaging device 20 from which light is projected, wherein the imaging light is projected to the imaging lens 32 through the imaging device 20, so that the imaging lens 32 shapes or corrects the imaging light forming the imaging pattern, and projects the imaging light to the ground at a preset inclination angle to form projection image information suitable for a driver to observe.
The imaging light projected by the imaging device 20 passes through the first imaging lens unit 321, the second imaging lens unit 322, and the third imaging lens unit 323 in sequence, and is guided by the imaging lens 32 to project outward along the imaging optical path 102 to the ground, so as to form the projection image. Preferably, in the preferred embodiment of the present invention, the imaging light transmitted by the imaging device 20 to the imaging lens 32 is perpendicular to the exit surface of the imaging device 20, and is guided by the imaging lens 32 and projected outward along the imaging light path 102 to form the projection image.
It is worth mentioning that in this preferred embodiment of the present invention, the number of lens units of the imaging lens 32 is herein merely taken as an example and not a limitation. In other alternative embodiments of the present invention, the number and configuration of the imaging lenses 32 may be implemented in other ways.
The imaging device 20 includes at least one imaging unit 21 and at least one imaging fixture 22 for fixing the imaging unit 21, wherein the imaging unit 21 is held and fixed by the imaging fixture 22 to maintain the position and angle of the imaging unit 21. The imaging fixing device 22 fixes the imaging unit 21 in a clamping manner. The imaging information of the vehicular projection lamp 100 is set to the imaging unit 21 of the imaging device 20, that is, the imaging information is formed in the imaging unit 21, and the imaging light is formed by transmitting the illumination light through the imaging unit 21. The imaging fixture 22 includes a first fixing unit 221 and a second fixing unit 222, wherein the imaging unit 21 is sandwiched between the first fixing unit 221 and the second fixing unit 222 of the imaging fixture 22. Preferably, in the preferred embodiment of the present invention, the imaging unit 21 is implemented as a film, wherein the film is provided with imaging information corresponding to the projected imaging pattern, wherein the illumination light is projected on the imaging unit 21, and the light transmitted through the imaging unit 21 forms the projected image information. It is worth mentioning that
Preferably, in this preferred embodiment of the present invention, the imaging unit 21 of the imaging device 20 is disposed along an optical axis direction O of the lens group 30, and the imaging unit 21 of the imaging device 20 is perpendicular to the optical axis O of the lens group 30.
It is understood that, in the preferred embodiment of the present invention, the projection lamp 100 for a vehicle projects the projection image information toward the lower side of the optical axis O to the ground at a preset inclination angle θ based on its own position, forming the projection image information. As shown in fig. 2B, the vehicle projection lamp 100 projects the projection image information downward at a preset inclination angle to correct the projection image projected on the ground seen by the vehicle driver based on his own perspective.
As shown in fig. 3 and 4, the vehicular projection lamp 100 further includes at least one lens fixing device 40 and a lens barrel 50, wherein the lens group 30 and the imaging device 20 are fixed to the lens fixing device 40, and the lens fixing device 40 is fixed by the lens barrel 50 to maintain the positions of the lens units of the lens group 30 and the imaging device 20. The mirror plate fixing device 40 includes at least one illumination lens fixing groove 41, at least one imaging device fixing groove 42 and at least one imaging lens fixing groove 43, and a mirror plate receiving space 401 communicating the illumination lens fixing groove 41, the imaging device fixing groove 42 and the imaging lens fixing groove 43. The illumination lens unit 31 of the lens group 30 is fixed to the illumination lens fixing groove 41 by the mirror fixing device 40, the imaging device 20 is fixed to the imaging device fixing groove 42 by the mirror fixing device 40, and the imaging lens unit 32 is fixed to the imaging lens fixing groove 43 by the mirror fixing device 40.
It should be noted that the lens fixing device 40 has a light inlet 402 and a light outlet 403, wherein the light inlet 402 and the light outlet 403 are connected to the lens receiving space 401 of the lens fixing device 40. The light inlet 402 of the lens holder 40 corresponds to the light source 10, and the light outlet 403 of the lens holder 40 faces the external environment. It should be noted that, in the preferred embodiment of the present invention, the opening direction of the light outlet 403 of the lens fixing device 40 is inclined downward.
Preferably, in the preferred embodiment of the present invention, the lens fixing device 40 is implemented as a soft lens fixing device, wherein the imaging device 20 and the lens units of the lens group 30 are embedded in the fixing grooves of the lens fixing device 40.
The vehicular projection lamp 100 further includes a base 60, the base 60 and the lens barrel 50 form a sealed accommodating space 501, wherein the lens fixing device 40 and the light source 10 are accommodated in the accommodating space 501. Preferably, in the preferred embodiment of the present invention, the light source 10 can be, but is not limited to, an LED light source, wherein the light source 10 is located behind the lens assembly 30 along the optical axis O direction of the lens assembly 30. The light source 10 includes at least one light source unit 11 and a circuit board 12 electrically connected to the light source unit 11, wherein the light source unit 11 is attached to the circuit board 12.
Preferably, in the preferred embodiment of the present invention, at least one of the light source units 11 is disposed along the optical axis O, wherein the illumination light generated by the light source unit 11 enters the lens accommodating space 401 through the illumination lens unit 31 of the lens group 30.
The lens fixing device 40 is fixed to the lens barrel 50, and the lens fixing device 40 is fixed and supported by the lens barrel 50. The lens barrel 50 includes a barrel upper end 51 and a barrel lower end 52 integrally extending downward from the barrel upper end 51, wherein the barrel lower end 52 is fixedly connected to the base 60 and forms a sealing structure.
It should be noted that, in the preferred embodiment of the present invention, the base 60 can be, but is not limited to, a heat sink, wherein the circuit board 12 of the light source 10 is attached to the base 60, so that the base 60 conducts heat generated by the light source 10 to facilitate heat dissipation of the light source 10.
The vehicular projection lamp 100 further includes at least one waterproof rubber ring 70 and at least one cover 80, wherein the waterproof rubber ring 70 is disposed between the base 60 and the lens barrel 50, so as to improve the sealing performance of the vehicular projection lamp 100 and prevent water from entering. The cover 80 is disposed on the lens barrel upper end 51 of the lens barrel 50, so that the cover 80 covers the lens barrel upper end 51 of the lens barrel 50 to prevent external dust and moisture from entering the interior of the vehicular projection lamp 100.
It should be noted that, in the preferred embodiment of the present invention, the housing 80 of the projection lamp 100 for a vehicle is a transparent lens, wherein the housing 80 is covered on the lens barrel front end 51 of the lens barrel 50.
As shown in fig. 8 and 9, a vehicular projection lamp 100A and a vehicle having the vehicular projection lamp 100A according to another preferred embodiment of the present invention will be explained in the following description. The vehicular projection lamp 100A includes at least a light source 10A, an imaging device 20A, and a lens assembly 30A, wherein the lens assembly 30A has an optical axis O, and the light source 10A and the imaging device 20A are disposed along the optical axis O of the lens assembly 30A. The light source 10A is located at the front end of the lens assembly 30A, and light generated by the light source 10A forms an illumination light path 101A projected outwards through the lens assembly 30A. The imaging device 20A is disposed on the lens group 20A, wherein the lens group 30A guides the light of the illumination light path 101A to the imaging device 20A, and the light of the illumination light path 101A forms projection light with projection pattern information through the imaging device 20A. The projection light passing through the imaging device 20A forms an imaging light path 102A through the lens assembly 30A, wherein the projection light is projected to the ground through the imaging light path 102A to form the projection pattern.
Unlike the first preferred embodiment, in the preferred embodiment of the present invention, the imaging device 20A is not perpendicular to the optical axis O of the lens set 30A, and a predetermined angle exists between the imaging device 20A and the optical axis O of the lens set 30A, so that the imaging device 20A corrects the projection pattern formed by the projection lamp 100A for a vehicle projected onto the ground, so that the projection pattern viewed by the driver of the vehicle from his own perspective is a regular pattern.
It should be noted that the vehicular projection lamp of the first preferred embodiment corrects the projected light projected outward in a manner that the vehicular projection lamp is inclined to a horizontal plane, in the preferred embodiment of the present invention, the vehicular projection lamp 100A may be mounted on the vehicle body 200 of the vehicle in parallel to the horizontal plane, or, as in the first preferred embodiment, the optical axis O of the vehicular projection lamp 100A has a predetermined angle with the horizontal plane, and the vehicular projection lamp 100A projects the projected imaging light to the ground in an inclined downward projection direction.
In the preferred embodiment of the present invention, the imaging device 20A of the vehicular projection lamp 100A includes at least one imaging unit 21A and at least one imaging fixing unit 22A that fixes the imaging unit 21A, wherein the imaging unit 21A is fixed by the imaging fixing unit 22A. Preferably, the imaging unit 21A is fixed to a lens fixing device 40A in an inclined manner by the imaging fixing unit 22A. An angle between the imaging unit 21A of the imaging device 20A and a vertical direction, wherein a light ray incident to the imaging unit 21A from the lens group 30A is obliquely incident to the imaging unit 21A of the imaging device 20A.
Similar to the first preferred embodiment, the lens assembly 30A includes at least one illumination lens 31A and at least one imaging lens 32A, wherein the imaging device 20A is disposed between the at least one illumination lens 31A and the at least one imaging lens 32A. The at least one illumination lens 31A and the at least one imaging lens 32A of the lens group 30A are sequentially arranged at intervals along the optical axis O, wherein the light projected by the light source 10A forms the illumination light path 101A through the illumination lens 31A of the lens group 30A, the illumination light is projected to the imaging device 20A along the illumination light path 101A, the illumination light forms the imaging light through the imaging device 20A, and the imaging light forms the imaging light path 102A through the imaging lens 32A of the lens group 30A, the imaging light is projected to the ground along the imaging light path 102A to form the projected image.
In the preferred embodiment of the present invention, the light generated by the light source 10A is guided by the illumination lens 31A of the lens group 30A and is incident on the imaging unit 21A of the imaging device 20A along the illumination optical path 101A. The imaging light transmitted by the imaging unit 21A of the imaging device 20A is guided by the imaging lens 32A of the lens group 30A, and projects the projection light outwards to the ground along the imaging optical path 102A to form the projection image.
It is worth mentioning that the illumination lens 31A of the lens group 30A guides illumination light to be incident on the imaging unit 21A along the illumination light path 101A, wherein the illumination light path 101A is incident on the imaging unit 21A in a direction parallel to the optical axis O of the lens group. The illumination light transmits the projection light through the imaging unit 21A at an oblique downward angle toward the imaging lens 32A. It will be appreciated that the projected light rays passing through the imaging device 20A are directed at an oblique downward angle by the imaging lens 32A and form the imaging optical path 102A.
It is understood that in the preferred embodiment of the present invention, an angle α is preset between the imaging device 20A and the optical axis O of the lens group 30A, whereby the imaging device 20A pre-rectifies the projected light projected to the ground so that the projected image viewed by the driver in the vehicle is a regular image adapted to the driver's angle of view.
It is worth mentioning that, in the preferred embodiment of the present invention, the illumination optical path 101A formed by guiding the illumination lens 31A of the lens group 30A is obliquely incident on the imaging unit 21A of the imaging device 20A, and the imaging light obliquely exits the imaging unit 21A of the imaging device 20A, is guided by the imaging lens 32A, and is obliquely projected downward to the ground along the imaging optical path 102A.
As shown in fig. 10 and 11, a vehicular projection lamp 100B and a vehicle having the vehicular projection lamp 100B according to another preferred embodiment of the present invention will be explained in the following description. The vehicular projection lamp 100B includes at least a light source 10B, an imaging device 20B, and a lens assembly 30B, wherein the lens assembly 30B has an optical axis O, and the imaging device 20B is disposed along the optical axis O of the lens assembly 30B. The light source 10B is located at the front end of the lens assembly 30B, and light generated by the light source 10B forms an illumination light path 101B projected outwards through the lens assembly 30B. The imaging device 20B is disposed on the lens group 20B, wherein the lens group 30B guides the light of the illumination light path 101B to the imaging device 20B, and the light of the illumination light path 101B forms projection light with projection pattern information through the imaging device 20B. The projection light passing through the imaging device 20B forms an imaging light path 102B through the lens assembly 30B, wherein the projection light is projected to the ground through the imaging light path 102B to form the projection pattern.
Unlike the first preferred embodiment, in the preferred embodiment of the present invention, the light source 10B is not perpendicular to the optical axis O of the lens assembly 30B, and a predetermined angle exists between the light source 10B and the optical axis O of the lens assembly 30B, so that the light source 10B corrects the projection pattern formed by the projection lamp 100B for a vehicle projected onto the ground, so that the projection pattern viewed by a driver of the vehicle based on his own viewing angle is a regular pattern.
It should be noted that the vehicular projection lamp of the first preferred embodiment corrects the projected light projected outward in a manner that the vehicular projection lamp is inclined to a horizontal plane, in the preferred embodiment of the present invention, the vehicular projection lamp 100B may be mounted on the vehicle body 200 of the vehicle in parallel to the horizontal plane, or, as in the first preferred embodiment, the optical axis O of the vehicular projection lamp 100B has a predetermined angle with the horizontal plane, and the vehicular projection lamp 100B projects the projected imaging light to the ground in an inclined downward projection direction. The imaging device 20B of the present invention may also be set to have an oblique installation angle with respect to the optical axis O. In short, the technical solutions in the preferred embodiments can be combined with the technical solutions in any of the preferred embodiments, or combined with multiple technical solutions.
It is worth mentioning that in this preferred embodiment of the present invention, the light source 10B is not disposed along the optical axis O of the lens assembly 30, i.e. the light source 10B is located outside the optical axis O; or the light source 10B is disposed along the optical axis O of the lens assembly 30, and an included angle β between the light source 10B and the vertical direction is formed, wherein the illumination light emitted by the light source 10B is obliquely incident on the lens assembly 30B.
The light source 10B includes at least one light source unit 11B and a circuit board 12B, wherein the light source unit 11B is disposed on the circuit board 12B, the at least one light source unit 11B of the light source 10B is disposed outside the optical axis O of the lens assembly 30B, or an included angle β exists between the at least one light source unit 11B of the light source 10B and the vertical direction. Like the above preferred embodiment, the lens assembly 30B includes at least one illumination lens 31B and at least one imaging lens 32B, wherein the imaging device 20B is disposed between the at least one illumination lens 31B and the at least one imaging lens 32B. The at least one illumination lens 31B and the at least one imaging lens 32B of the lens set 30B are sequentially arranged at intervals along the optical axis O, wherein the light projected by the light source 10B forms the illumination light path 101B through the illumination lens 31B of the lens set 30B, the illumination light is projected to the imaging device 20B along the illumination light path 101B, the illumination light forms the imaging light through the imaging device 20B, the imaging light forms the imaging light path 102B through the imaging lens 32B of the lens set 30B, and the imaging light is projected to the ground along the imaging light path 102B to form the projected image.
The illumination light emitted from at least one light source unit 11B of the light source 10B is guided by the illumination lens 31B of the lens group 30B and enters the imaging device 20B obliquely downward along the illumination light path 101B, and the imaging light transmitted by the imaging device 20B is guided by the imaging lens 32B of the lens group 30B and projects outward to the ground obliquely downward along the imaging light path 102B.
It should be noted that, in the preferred embodiment of the present invention, the light emitted from the light source 10B is guided by the illumination lens 31B to form an illumination light path 101B inclined downward, and the illumination light enters the imaging unit 21B of the imaging device 20B, and an imaging light is projected by the imaging unit 21B, wherein the imaging light is guided by the imaging lens 32B to form an imaging light path 102 inclined downward.
The light emitted by the light source 10B is irradiated on the road surface at a certain angle through the lens assembly 30B to form the projection pattern, wherein the pattern of the imaging device 20B is reversely corrected according to the actual requirement by combining the structure of the lens assembly 30B, so that the projection pattern seen by the vehicle driver in the vehicle based on the self view angle is a regular pattern.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims (22)

1. A projection lamp for a vehicle adapted for use with a vehicle body, comprising:
a light source;
a lens assembly, wherein said lens assembly comprises at least one imaging lens and at least one illumination lens, said imaging lens and said illumination lens of said lens assembly forming an optical axis, said light source being located on one side of said illumination lens of said lens assembly; and
an imaging device, wherein the imaging device is located between the imaging lens and the illumination lens, and the illumination light generated by the light source is guided by the illumination lens and forms an illumination light path, wherein the illumination light enters the imaging device and is transmitted as imaging light by the imaging device, wherein the imaging light is guided by the imaging lens and forms an imaging light path, wherein the imaging light is projected obliquely downwards to the ground along the imaging light path so as to correct a projected image of a driver of the vehicle body based on his own viewing angle.
2. The vehicular projection lamp according to claim 1, wherein the optical axis direction of the lens group has a predetermined angle θ with a horizontal direction, wherein the direction of the imaging optical path formed by the vehicular projection lamp is inclined downward, and the vehicular projection lamp projects the imaged projection image light to the ground based on the imaging optical path.
3. The vehicular projection lamp according to claim 1, wherein a predetermined angle α is formed between the imaging device and the optical axis of the lens group, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projected outward to the ground obliquely downward along the imaging optical path.
4. The vehicular projection lamp according to claim 2, wherein a predetermined angle α exists between the imaging device and the optical axis of the lens set, wherein the illumination lens guides the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is guided by the imaging lens and projected to the ground obliquely downward along the imaging optical path.
5. The vehicular projection lamp according to any one of claims 1 to 4, wherein the light source is deviated from the optical axis of the lens group or a predetermined angle β exists between the light source and the optical axis of the lens group, wherein light generated by the light source is guided by the illumination lens and enters the imaging device obliquely downward along the illumination optical path, and imaging light emitted from the imaging device is guided by the imaging lens and projects outward to the ground obliquely downward along the imaging optical path.
6. The projection lamp for vehicles as claimed in claim 5, wherein the illumination lens further comprises a first illumination lens unit and a second illumination lens unit, wherein the first illumination lens unit and the second illumination lens unit are arranged between the light source and the imaging device in the optical axis direction.
7. The vehicular projection lamp according to claim 5, wherein the imaging lens includes a first imaging lens unit, a second imaging lens unit, and a third imaging lens unit, wherein the first imaging lens unit, the second imaging lens unit, and the third imaging lens unit are arranged in order at intervals from each other in the optical axis direction.
8. The vehicular projection lamp according to claim 5, wherein the imaging device comprises at least one imaging unit and at least one imaging fixture for fixing the imaging unit, wherein the imaging unit is held and fixed by the imaging fixture to maintain a position and an angle of the imaging unit.
9. The vehicular projection lamp according to claim 5, further comprising at least a lens fixing device and a lens barrel, wherein the lens group and the imaging device are fixed to the lens fixing device, and the lens fixing device is fixed by the lens barrel to maintain positions of each lens unit of the lens group and the imaging device.
10. The vehicular projection lamp according to claim 9, further comprising a base forming a sealed accommodation space with the lens barrel, wherein the lens fixing device and the light source are accommodated in the accommodation space.
11. The vehicular projection lamp according to claim 5, wherein the light source comprises at least a light source unit and a wiring board electrically connected to the light source unit, wherein the light source unit is attached to the wiring board.
12. A vehicle, characterized by comprising:
a vehicle body; and
at least one vehicular projection lamp mounted to the vehicle body, the vehicular projection lamp including:
a light source;
a lens assembly, wherein said lens assembly comprises at least one imaging lens and at least one illumination lens, said imaging lens and said illumination lens of said lens assembly forming an optical axis, said light source being located on one side of said illumination lens of said lens assembly; and
an imaging device, wherein the imaging device is located between the imaging lens and the illumination lens, and the illumination light generated by the light source is guided by the illumination lens and forms an illumination light path, wherein the illumination light enters the imaging device and is transmitted as imaging light by the imaging device, wherein the imaging light is guided by the imaging lens and forms an imaging light path, wherein the imaging light is projected obliquely downwards to the ground along the imaging light path so as to correct a projected image of a driver of the vehicle body based on his own viewing angle.
13. The vehicle according to claim 12, wherein the optical axis direction of the lens group has a preset angle θ with a horizontal direction, wherein the direction of the imaging optical path formed by the vehicular projection lamp is inclined downward, and the vehicular projection lamp projects the imaged projection image light to the ground based on the imaging optical path.
14. The vehicle of claim 12, wherein a predetermined angle α exists between the imaging device and the optical axis of the lens set, wherein the illumination lens directs the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is directed through the imaging lens and projected outward to the ground obliquely downward along the imaging optical path.
15. The vehicle of claim 13, wherein a predetermined angle α exists between the imaging device and the optical axis of the lens set, wherein the illumination lens directs the illumination light to enter the imaging device obliquely along the illumination optical path, and the imaging light emitted from the imaging device is directed through the imaging lens and projected outward to the ground obliquely downward along the imaging optical path.
16. The vehicle according to any one of claims 12 to 15, wherein the light source is offset from the optical axis of the lens set or a predetermined angle β exists between the light source and the optical axis of the lens set, wherein light generated by the light source is guided by the illumination lens and enters the imaging device obliquely downward along the illumination optical path, and imaging light emitted from the imaging device is guided by the imaging lens and projects outward to the ground obliquely downward along the imaging optical path.
17. The vehicle according to claim 16, wherein the illumination lens further comprises a first illumination lens unit and a second illumination lens unit, wherein the first illumination lens unit and the second illumination lens unit are arranged between the light source and the imaging device in the optical axis direction.
18. The vehicle according to claim 16, wherein the imaging lens includes a first imaging lens unit, a second imaging lens unit, and a third imaging lens unit, wherein the first imaging lens unit, the second imaging lens unit, and the third imaging lens unit are arranged in order at intervals from each other in the optical axis direction.
19. The vehicle according to claim 16, wherein the imaging device includes at least one imaging unit and at least one imaging fixture that fixes the imaging unit, wherein the imaging unit is held and fixed by the imaging fixture to maintain a position and an angle of the imaging unit.
20. The vehicle of claim 16, further comprising at least one lens holder and a lens barrel, wherein the lens group and the imaging device are fixed to the lens holder, and the lens holder is fixed by the lens barrel to maintain the positions of the lens units of the lens group and the imaging device.
21. The vehicle of claim 20, further comprising a base forming a sealed accommodation space with the lens barrel, wherein the lens fixing device and the light source are accommodated in the accommodation space.
22. The vehicle of claim 16, wherein the light source includes at least one light source unit and a circuit board electrically connected to the light source unit, wherein the light source unit is attached to the circuit board.
CN202110268732.9A 2021-03-12 2021-03-12 Projection lamp for vehicle and vehicle with projection lamp for vehicle Pending CN115076654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110268732.9A CN115076654A (en) 2021-03-12 2021-03-12 Projection lamp for vehicle and vehicle with projection lamp for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110268732.9A CN115076654A (en) 2021-03-12 2021-03-12 Projection lamp for vehicle and vehicle with projection lamp for vehicle

Publications (1)

Publication Number Publication Date
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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116001679A (en) * 2023-01-09 2023-04-25 浙江百康光学股份有限公司 Method and system for controlling atmosphere lamp in vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116001679A (en) * 2023-01-09 2023-04-25 浙江百康光学股份有限公司 Method and system for controlling atmosphere lamp in vehicle
CN116001679B (en) * 2023-01-09 2023-06-27 浙江百康光学股份有限公司 Method and system for controlling atmosphere lamp in vehicle

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