CN113464897A - Distributed projection lamp group system with enhanced brightness - Google Patents

Distributed projection lamp group system with enhanced brightness Download PDF

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Publication number
CN113464897A
CN113464897A CN202110824788.8A CN202110824788A CN113464897A CN 113464897 A CN113464897 A CN 113464897A CN 202110824788 A CN202110824788 A CN 202110824788A CN 113464897 A CN113464897 A CN 113464897A
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CN
China
Prior art keywords
main
projection
reinforcing
projection lamp
lamp unit
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Pending
Application number
CN202110824788.8A
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Chinese (zh)
Inventor
江程
佘俊
南基学
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Yejia Optical Technology Guangdong Corp
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Yejia Optical Technology Guangdong Corp
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Publication date
Application filed by Yejia Optical Technology Guangdong Corp filed Critical Yejia Optical Technology Guangdong Corp
Priority to CN202110824788.8A priority Critical patent/CN113464897A/en
Publication of CN113464897A publication Critical patent/CN113464897A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20Signalling 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
    • F21S43/26Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00Exterior vehicle lighting devices for signalling purposes
    • F21W2103/60Projection of signs from lighting devices, e.g. symbols or information being projected onto the road

Abstract

The invention provides a brightness-enhanced distributed projection lamp set system, which comprises a main projection lamp unit and a reinforcing projection lamp unit, wherein the main projection lamp unit projects on a receiving surface to form a main projection area; the main projection lamp unit comprises a main film pattern structure, and the reinforced projection lamp unit comprises a reinforced film pattern structure; the intersection point of a connecting line between the main film pattern structure and a main equivalent node of the main projection lamp unit and the receiving surface is in the main projection area; the intersection point of the connecting line between the reinforcing film pattern structure and the reinforcing equivalent node of the reinforcing projection lamp unit and the receiving surface is in the reinforcing projection area. The invention improves the illumination brightness by combining a plurality of units, the volume of the projection lamp unit is small, clear projection can be formed by scattered small space, and the effect of dynamic projection can be obtained.

Description

Distributed projection lamp group system with enhanced brightness
Technical Field
The invention relates to a projection lamp set, and particularly discloses a brightness-enhanced distributed projection lamp set system.
Background
The projection lamp can be used in different fields, can realize the usher function if being used in the outside projection of automobile body, also can be used for the effect that forms corresponding projection effect and form warning for pedestrian or vehicle behind car or the car.
As shown in fig. 1, the conventional projection lamp mainly includes three important components: the illumination unit comprises an LED and a collimating lens, the projection source can be a film, and the imaging unit is a projection unit lens group.
In order to make the image formed by projection visible in an environment with certain brightness, such as an illuminated basement, the evening just below a mountain in the sun, even a cloudy day and the like, a good light-dark contrast can be formed on the basis of having background light only by making the illumination of the projection and the ground higher, so that a clear and visible pattern can be obtained.
In the prior art, in order to make the ground illuminance higher, optical parts with larger size are often needed, a light source with higher power and a heat sink with larger volume are used, but the three-dimensional size of the whole structure of the projection lamp system is obviously increased, and when the projection lamp system is used for automobile lamp shadow lamps, the installation space is limited, such as a rearview mirror, an automobile door, a pedal and the like, due to the limitation of the form, the automobile can only provide a small-size three-dimensional space such as a rearview mirror, or only one or two dimensions such as the pedal and the automobile door are large-size spaces, and due to the limitation of the space, the projection lighting effect with obvious brightness contrast can not be manufactured and obtained.
Disclosure of Invention
In view of the foregoing, there is a need to provide a brightness enhanced distributed projection lamp set system that can fully utilize scattered small-sized space to form a clear projection effect.
In order to solve the prior art problem, the invention discloses a brightness enhanced distributed projection lamp set system, which comprises a main projection lamp unit and at least one reinforced projection lamp unit, wherein the main projection lamp unit projects on a receiving surface to form a main projection area;
the main projection lamp unit comprises a main film, a main film pattern structure is arranged in the main film, the reinforcing projection lamp unit comprises a reinforcing film, the reinforcing film is provided with the reinforcing film pattern structure, a connecting line between one point in the main film pattern structure and a main equivalent node of the main projection lamp unit is a first light line, the intersection point between the first light line and a receiving surface is in a main projection area, the connecting line between one point in the reinforcing film pattern structure and the reinforcing equivalent node of the reinforcing projection lamp unit is a second light line, and the intersection point between the second light line and the receiving surface is in the reinforcing projection area.
Further, the at least one reinforcement projection area completely coincides with the main projection area.
Further, at least one of the reinforcement projection areas is within the enclosure of the main projection area.
Furthermore, at least two reinforcing projection lamp units are arranged, and at least two reinforcing film sheet pattern structures exist.
Furthermore, the main projection lamp unit comprises a main light source, a main collimating lens and a main projection lens group, wherein the main collimating lens, the main film and the main projection lens group are sequentially arranged on one side of a light emergent surface of the main light source.
Furthermore, the main projection lens group comprises a first main convex lens, a main concave lens and a second main convex lens which are arranged in sequence.
Furthermore, the reinforcing projection lamp unit comprises a reinforcing light source, a reinforcing collimating lens and a reinforcing projection lens group, wherein the reinforcing collimating lens, the reinforcing film and the reinforcing projection lens group are sequentially arranged on one side of the light emitting surface of the reinforcing light source.
Furthermore, the reinforcing projection lens group comprises a first reinforcing convex lens, a reinforcing concave lens and a second reinforcing convex lens which are arranged in sequence.
The invention has the beneficial effects that: the invention discloses a brightness-enhanced distributed projection lamp set system which is provided with a main projection lamp unit and a reinforcing projection lamp unit, wherein the illumination brightness is improved in a mode of combining a plurality of units, the occupied volume of each projection lamp unit is smaller, the whole system can fully utilize scattered small-size space and form a clear projection effect, the brightness-enhanced distributed projection lamp set system is suitable for an automobile projection system, and the main projection lamp unit and the reinforcing projection lamp unit can be switched on and off according to requirements to obtain a dynamic projection effect.
Drawings
Fig. 1 is a schematic structural diagram of a conventional projection lamp.
Fig. 2 is a schematic view of an optical path structure of a projection lamp unit in which a plurality of optical axes are combined to be parallel to each other.
Fig. 3 is a schematic view of an optical path structure of a projection lamp unit combining a plurality of optical axes.
Fig. 4 is a schematic diagram of an optical path structure during operation according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of an optical path structure during operation according to another embodiment of the present invention.
Fig. 6 is a schematic diagram of the optical principle of the present invention.
Fig. 7 is a schematic view of an optical path structure when the present invention is applied to an automobile.
FIG. 8 is a schematic view of a main projection lamp unit according to the present invention.
FIG. 9 is a schematic view of a reinforced projection lamp unit according to the present invention.
The reference signs are: the main projection lamp unit 100, a main equivalent node 101, a main film sheet 110, a main film pattern structure 111, a main light source 120, a main collimating lens 130, a main projection lens group 140, a first main convex lens 141, a main concave lens 142, a second main convex lens 143, a reinforcing projection lamp unit 200, a reinforcing equivalent node 201, a reinforcing film sheet 210, a reinforcing film pattern structure 211, a reinforcing light source 220, a reinforcing collimating lens 230, a reinforcing projection lens group 240, a first reinforcing convex lens 241, a reinforcing concave lens 242, a second reinforcing convex lens 243, a receiving surface 300, a main projection area 310, and a reinforcing projection area 320.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Refer to fig. 2 to 9.
When the projection lamp is used for an automobile projection lamp, in order to form a projection effect with higher illumination on a ground receiving surface, corresponding projection lamp units can be arranged at each position of an automobile body, and simple angle adjustment is carried out, so that the projection effects shown in fig. 2 and 3 can be obtained, but the projection effect of obtaining a clear image in the same area range cannot be realized, and in order to improve the definition of a projected image, a system formed by a plurality of projection lamp units is improved, so that the following distributed projection lamp group system is obtained.
The embodiment of the invention discloses a brightness-enhanced distributed projection lamp set system, as shown in fig. 4 and 5, comprising a main projection lamp unit 100 and at least one reinforcing projection lamp unit 200, wherein the main projection lamp unit 100 projects on a receiving surface 300 to form a main projection area 310, the reinforcing projection lamp unit 200 projects on the receiving surface 300 to form a reinforcing projection area 320, and the reinforcing projection area 320 does not exceed the range of the main projection area 310, namely the reinforcing projection area 320 is located in the main projection area 310, or the reinforcing projection area 320 is completely overlapped with the main projection area 310, so as to obtain the effect of enhancing the local projection brightness or the overall projection brightness;
the main projection lamp unit 100 comprises a main film sheet 110, a main film pattern structure 111 is arranged in the main film sheet 110, the reinforcing projection lamp unit 200 comprises a reinforcing film sheet 210, a reinforcing film pattern structure 211 is arranged in the reinforcing film sheet 210, a connecting line between any one point in the main film pattern structure 111 and a main equivalent node 101 of the main projection lamp unit 100 is a first light, an intersection point between any one first light and a receiving surface 300 is in a main projection area 310, a connecting line between any one point in the reinforcing film pattern structure 211 and a reinforcing equivalent node 201 of the reinforcing projection lamp unit 200 is a second light, an intersection point between any one second light and the receiving surface 300 is in a reinforcing projection area 320, and the equivalent node is a node of the projection lamp unit and is also called a lens node.
According to actual projection requirements, a main projection area 310 and a reinforcement projection area 320 are preset, the projection areas are used as target images, and a film pattern structure capable of obtaining corresponding film is solved. As shown in fig. 6, the first optical axis and the second optical axis are respectively the optical axes of the main projection lamp unit 100 and the reinforcement projection lamp unit 200, and are used to indicate the projection direction of the corresponding lens, and the intersection point between the extension line after connecting the main equivalent node 101 and the main film 110 is the edge area of the main film pattern structure 111, with the edge position of the main projection area 310 as an image point; the edge position of the reinforcing projection region 320 is used as an image point, and an intersection point between the extension line after connecting the reinforcing equivalent node 201 and the reinforcing film sheet 210 is used as an edge region of the reinforcing film pattern structure 211. By adopting the method, the outline of the film pattern structure in the film can be reversely deduced according to the target pattern. When the projection type light source is applied, the positions and the projection angles of the main projection lamp unit 100 and the reinforcement projection lamp unit 200 are different, and as shown in fig. 7, the projection type light source can be arranged at any suitable position of an automobile, so that projection light spots, namely projection areas, formed on a receiving surface 300 respectively are organically combined, the projection effect of local brightness enhancement or full brightness enhancement is finally obtained, and the limited space of each part of the automobile body can be fully utilized.
The invention dispersedly adopts at least two projection lamp units, can form a projection area with enhanced brightness at the receiving surface 300, can locally enhance or completely enhance the pattern formed by the projection area, can switch different reinforcement projection lamp units 200 according to requirements to obtain the effect of dynamic projection, and has small volume and clear imaging of the whole projection lamp system.
In this embodiment, as shown in FIG. 4, at least one of the enhanced projection regions 320 completely overlaps the main projection region 310, resulting in a complete enhancement effect.
In the present embodiment, as shown in fig. 5, at least one of the reinforced projection regions 320 is enclosed in the main projection region 310, i.e. the area of the reinforced projection region 320 is smaller than that of the main projection region 310, resulting in a local enhancement effect.
In this embodiment, the number of the reinforcing projection lamp units 200 is at least two, and the pattern structures of the reinforcing films 210 are at least two, that is, the patterns of the reinforcing films 210 are not completely the same, and can be set to corresponding patterns according to requirements, so as to obtain corresponding local reinforcing effects and form richer dynamic projection effects, as shown in fig. 4-7, the example diagrams of the reinforcing projection lamp units 200 are two.
In this embodiment, as shown in fig. 8, the main projection lamp unit 100 includes a main light source 120, a main collimating lens 130 and a main projection lens group 140, where the main collimating lens 130, the main film 110 and the main projection lens group 140 are sequentially disposed on one side of the light exit surface of the main light source 120, that is, light emitted from the main light source 120 sequentially passes through the main collimating lens 130, the main film 110 and the main projection lens.
Based on the above embodiment, the primary projection lens group 140 includes the first primary convex lens 141, the primary concave lens 142 and the second primary convex lens 143, which are sequentially disposed, and the primary projection lens group 140 may also be a single lens or a combination of other lenses.
In this embodiment, as shown in fig. 9, the reinforcing projection lamp unit 200 includes a reinforcing light source 220, a reinforcing collimating lens 230 and a reinforcing projection lens set 240, wherein the reinforcing collimating lens 230, the reinforcing foil sheet 210 and the reinforcing projection lens set 240 are sequentially disposed on one side of the light exit surface of the reinforcing light source 220, that is, the light emitted from the reinforcing light source 220 sequentially passes through the reinforcing collimating lens 230, the reinforcing foil sheet 210 and the reinforcing projection lens.
Based on the above embodiments, the reinforcing projection lens group 240 includes the first reinforcing convex lens 241, the reinforcing concave lens 242 and the second reinforcing convex lens 243, which are sequentially disposed, and the reinforcing projection lens group 240 may also be a lens or a combination of other lenses.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. A brightness enhanced distributed projection lamp set system is characterized by comprising a main projection lamp unit (100) and at least one reinforced projection lamp unit (200), wherein the main projection lamp unit (100) projects on a receiving surface (300) to form a main projection area (310), the reinforced projection lamp unit (200) projects on the receiving surface (300) to form a reinforced projection area (320), and the reinforced projection area (320) does not exceed the range of the main projection area (310);
the main projection lamp unit (100) comprises a main film (110), a main film pattern structure (111) is arranged in the main film (110), the reinforcing projection lamp unit (200) comprises a reinforcing film sheet (210), a reinforcing film pattern structure (211) is arranged in the reinforcing film sheet (210), a connecting line between one point in the main film pattern structure (111) and a main equivalent node (101) of the main projection lamp unit (100) is a first light ray, the intersection between the first ray and the receiving surface (300) is in the main projection region (310), a connecting line between one point in the reinforcing film pattern structure (211) and a reinforcing equivalent node (201) of the reinforcing projection lamp unit (200) is a second light ray, the intersection between the second ray and the receiving surface (300) is in the stiffened projected region (320).
2. A brightness enhanced distributed projection lamp set system as claimed in claim 1, wherein at least one of said stiffening projection areas (320) is completely coincident with said main projection area (310).
3. A brightness enhanced distributed projection lamp set system as claimed in claim 1, wherein at least one said stiffening projection area (320) is within the enclosure of said main projection area (310).
4. A brightness enhanced distributed projection lamp set system according to claim 2 or 3, wherein said reinforcing projection lamp unit (200) is provided with at least two, and said reinforcing film (210) has at least two pattern structures.
5. The brightness enhanced distributed projection lamp set system according to claim 1, wherein the main projection lamp unit (100) comprises a main light source (120), a main collimating lens (130) and a main projection lens set (140), and the main collimating lens (130), the main film sheet (110) and the main projection lens set (140) are sequentially disposed on a light exit side of the main light source (120).
6. A brightness enhanced distributed projection lamp set system as claimed in claim 5, wherein said primary projection lens set (140) comprises a first primary convex lens (141), a primary concave lens (142) and a second primary convex lens (143) arranged in sequence.
7. The distributed projection lamp set system with enhanced brightness according to claim 1, wherein the reinforcing projection lamp unit (200) comprises a reinforcing light source (220), a reinforcing collimating lens (230) and a reinforcing projection lens set (240), and the reinforcing collimating lens (230), the reinforcing film (210) and the reinforcing projection lens set (240) are sequentially disposed on one side of a light exit surface of the reinforcing light source (220).
8. The brightness enhanced distributed projection lamp set system according to claim 7, wherein the reinforcing projection lens set (240) comprises a first reinforcing convex lens (241), a reinforcing concave lens (242) and a second reinforcing convex lens (243) arranged in sequence.
CN202110824788.8A 2021-07-21 2021-07-21 Distributed projection lamp group system with enhanced brightness Pending CN113464897A (en)

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CN202110824788.8A CN113464897A (en) 2021-07-21 2021-07-21 Distributed projection lamp group system with enhanced brightness

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253150A1 (en) * 2022-03-29 2023-10-04 Motherson Innovations Company Limited Hybrid semi-dynamic animated logo lamp, vehicle component and vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202835113U (en) * 2012-09-14 2013-03-27 宜兰汽车配件制造(平湖)有限公司 Animation type projection lamp
US20190270403A1 (en) * 2016-11-28 2019-09-05 Magna Mirrors Of America, Inc. Exterior illumination and icon projection module for vehicle
KR20190142890A (en) * 2018-06-19 2019-12-30 노진석 Smart door-beam for vehicle
CN110630985A (en) * 2019-10-21 2019-12-31 广东烨嘉光电科技股份有限公司 Projection lamp system for oblique projection
CN111332189A (en) * 2018-12-18 2020-06-26 法可赛北美公司 Floor lamp with static and dynamic image projection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202835113U (en) * 2012-09-14 2013-03-27 宜兰汽车配件制造(平湖)有限公司 Animation type projection lamp
US20190270403A1 (en) * 2016-11-28 2019-09-05 Magna Mirrors Of America, Inc. Exterior illumination and icon projection module for vehicle
KR20190142890A (en) * 2018-06-19 2019-12-30 노진석 Smart door-beam for vehicle
CN111332189A (en) * 2018-12-18 2020-06-26 法可赛北美公司 Floor lamp with static and dynamic image projection
CN110630985A (en) * 2019-10-21 2019-12-31 广东烨嘉光电科技股份有限公司 Projection lamp system for oblique projection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4253150A1 (en) * 2022-03-29 2023-10-04 Motherson Innovations Company Limited Hybrid semi-dynamic animated logo lamp, vehicle component and vehicle

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Application publication date: 20211001