Optical structure, optical system and vehicle lamp simultaneously realizing light distribution in different directions

Abstract

The utility model discloses a kind of optical structure, optical system and car light for realizing light distribution in different directions simultaneously, the optical structure for realizing light distribution in different directions simultaneously simultaneously, comprising: light source and at least two light adjusting units;The focal point of at least two light adjusting units is in focus, and the light source is located at the focal point of light adjusting unit;At least two light adjusting units are located in the light emitting direction of light source, and the light adjusting unit is used to collimate light emitted by light source;The light adjusting unit includes first incident surface, reflecting surface and second incident surface, the first incident surface is used to receive part of light emitted by light source and refract to reflecting surface, the reflecting surface is used to reflect received light and form collimated light, and the utility model has the advantages of saving installation space, simplifying installation steps.

Description

Technical Field

[0001] This utility model belongs to the field of automotive lighting technology, specifically relating to optical structures, and more particularly to an optical structure, optical system, and automotive lighting that simultaneously achieves light distribution in different directions. Background Technology

[0002] In the initial optical design phase, existing automotive lights use a concentrator to collimate the light emitted by the light source before adjusting the light distribution, such as adjusting the beam pattern and the illuminated area. In some applications, there is a need for light emission from multiple angles. This is achieved by equipping multiple light sources with multiple concentrators sequentially. However, this approach occupies a large area and involves cumbersome assembly steps. To reduce the overall size and simplify the installation process, this paper proposes an optical structure, optical system, and automotive light that simultaneously achieves light distribution in different directions. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art.

[0004] Therefore, this utility model proposes an optical structure, optical system and vehicle lamp that simultaneously achieves light distribution in different directions. The optical structure that simultaneously achieves light distribution in different directions has the advantages of saving installation space and simplifying installation steps.

[0005] An optical structure for simultaneously achieving light distribution in different directions according to an embodiment of the present invention includes: a light source and at least two dimming units; the focal points of the at least two dimming units are confocal, and the light source is located at the focal point of the dimming unit; the at least two dimming units are all located in the light emission direction of the light source, and the dimming units are used to collimate the light emitted by the light source; each dimming unit includes a first incident surface, a reflecting surface, and a second incident surface, the first incident surface is used to receive part of the light emitted by the light source and refract it to the reflecting surface, the reflecting surface is used to reflect the received light out and form collimated light; the second incident surface is used to receive part of the light emitted by the light source, refract the light out and form collimated light; the reflecting surface, the first incident surface, and the second incident surface are connected in sequence, and the reflecting surface, the first incident surface, and the second incident surface are formed by rotating around an axis around the focal point of the dimming unit, the axis being parallel to the light emission direction of the dimming unit.

[0006] According to one embodiment of the present invention, at least two dimming units are arranged in a circular direction around the optical axis of the light source, with the optical axis of the light source as the central axis, and the first incident surfaces of the at least two dimming units intersect.

[0007] According to one embodiment of the present invention, the light emission direction of at least two of the dimming units is perpendicular to the optical axis of the light source.

[0008] An optical system comprising any of the optical structures described above that simultaneously achieve light distribution in different directions.

[0009] According to one embodiment of the present invention, it includes at least one reflective unit, wherein the at least one reflective unit is disposed in the light-emitting direction of the dimming unit.

[0010] A vehicle light, including the aforementioned optical system.

[0011] The beneficial effects of this utility model are that it uses multiple dimming units set in the light-emitting direction of the light source, so that the multiple dimming units can disperse and collimate the light emitted by the light source to achieve light distribution in different directions. Moreover, only one light source is needed to meet the requirements of light distribution in different directions, thus saving installation space and simplifying the installation steps.

[0012] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.

[0013] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0014] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments with accompanying drawings, in which: Figure 1 This is a schematic diagram of the path of the light source after passing through the concentrator; Figure 2 This is a three-dimensional schematic diagram of the overall structure when the dimming unit of this utility model consists of two units; Figure 3 This is a cross-sectional schematic diagram when the dimming unit of this utility model consists of two units; Figure 4 This is a bottom-view schematic diagram when the dimming unit of this utility model consists of two units; Figure 5 This is a three-dimensional schematic diagram of the overall structure when the dimming unit of this utility model has three parts; Figure 6 This is a bottom-view schematic diagram when the dimming unit of this utility model has three dimming units; Figure 7 This is a top view schematic diagram when the dimming unit of this utility model has three dimming units; Figure 8 This is a three-dimensional schematic diagram of the overall structure when the dimming unit of this utility model has four dimming units; Figure 9 This is a three-dimensional diagram taken from below when the dimming unit of this utility model consists of four dimming units; Figure 10This is a bottom-view schematic diagram when the dimming unit of this utility model consists of four units; Figure label: 1. Light source; 2. Dimming unit; 21. First incident surface; 22. Reflecting surface; 23. Second incident surface. Detailed Implementation

[0015] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0016] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] The optical structure, optical system, and vehicle lamp of the present invention, which simultaneously achieve light distribution in different directions, are described in detail below with reference to the accompanying drawings.

[0019] like Figures 1-10As shown, the optical structure that simultaneously achieves light distribution in different directions according to an embodiment of the present invention includes: a light source 1 and at least two dimming units 2; the focal points of the at least two dimming units 2 are confocal, and the light source 1 is located at the focal point of the dimming unit 2; the at least two dimming units 2 are both located in the light emission direction of the light source 1, and the dimming unit 2 is used to collimate the light emitted by the light source 1; the dimming unit 2 includes a first incident surface 21, a reflecting surface 22, and a second incident surface 23, the first incident surface 21 is used to receive part of the light emitted by the light source 1 and refract it to the reflecting surface 22, the reflecting surface 22 is used to reflect the received light and form collimated light; the second incident surface 23 is used to receive part of the light emitted by the light source 1, refract the light and form collimated light; the reflecting surface 22, the first incident surface 21, and the second incident surface 23 are connected in sequence, and the reflecting surface 22, the first incident surface 21, and the second incident surface 23 are formed by rotating around the axis of the focal point of the dimming unit 2, and the axis is parallel to the light emission direction of the dimming unit 2.

[0020] In this embodiment, multiple dimming units 2 are integrally formed. A dimming unit 2 can be a portion of a condenser; specifically, it is half of the condenser cut along its centerline. When there are two dimming units 2, their light-incident ends are connected, making their focal points confocal, so that a light source 1 can be installed at this focal point. The light emitted from the light source 1 is then refracted and reflected by the two dimming units 2, splitting into two output directions, thus achieving adjustment of the light emitted from the same light source 1 and obtaining light distributions in different directions. Only one light source 1 is needed to satisfy the requirement of different light distributions, thereby saving installation space and simplifying the installation process.

[0021] At least two dimming units 2 are arranged in a circular direction around the optical axis of the light source 1, with the optical axis as the central axis, and the first incident surfaces 21 of the at least two dimming units 2 intersect.

[0022] In this embodiment, the number of dimming units 2 can be three, four, etc. The first incident surfaces 21 of multiple dimming units 2 intersect to avoid light loss caused by gaps between the first incident surfaces 21, so that the light emitted by the light source 1 can be fully utilized.

[0023] The light emission direction of at least two dimming units 2 is perpendicular to the optical axis of the light source 1.

[0024] In this embodiment, the light emitted by multiple dimming units 2 is located at multiple angles on the same plane. For example, the light emitted by the light source 1, after being collimated by the four dimming units 2, is distributed in front, back, left, and right at the same height; Figure 2-10 As shown.

[0025] An optical system comprising any of the above-mentioned optical structures that simultaneously achieve light distribution in different directions.

[0026] The optical system also includes at least one reflective unit, which is located in the light-emitting direction of the dimming unit 2.

[0027] In this embodiment, the reflection unit can be a reflector or other unit structure that can change the light output direction of its corresponding dimming unit 2, so as to make further adjustments to the optical center according to subsequent needs.

[0028] A diffusion pattern can be added to the light output direction of the dimming unit 2 or the reflection unit as needed.

[0029] A vehicle headlight, including the above-mentioned optical system.

[0030] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0031] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An optical structure that simultaneously achieves light distribution in different directions, characterized in that, include: Light source (1); At least two dimming units (2), the focal points of at least two dimming units (2) are confocal, the light source (1) is located at the focal point of the dimming unit (2); at least two dimming units (2) are located in the light emission direction of the light source (1), and the dimming unit (2) is used to collimate the light emitted by the light source (1); The dimming unit (2) includes a first incident surface (21), a reflecting surface (22), and a second incident surface (23). The first incident surface (21) is used to receive part of the light emitted by the light source (1) and refract it to the reflecting surface (22). The reflecting surface (22) is used to reflect the received light and form collimated light. The second incident surface (23) is used to receive part of the light emitted by the light source (1), refract the light and form collimated light. The reflective surface (22), the first incident surface (21) and the second incident surface (23) are connected in sequence. The reflective surface (22), the first incident surface (21) and the second incident surface (23) are formed by rotating around the axis of the focal point of the dimming unit (2). The axis is parallel to the light output direction of the dimming unit (2).

2. The optical structure for simultaneously achieving light distribution in different directions according to claim 1, characterized in that, At least two dimming units (2) are arranged in a circular direction around the optical axis of the light source (1) with the optical axis of the light source (1) as the central axis, and the first incident surfaces (21) of the at least two dimming units (2) intersect.

3. The optical structure for simultaneously achieving light distribution in different directions according to claim 2, characterized in that, The light emission direction of at least two of the dimming units (2) is perpendicular to the optical axis of the light source (1).

4. An optical system, characterized in that, Including the optical structure that simultaneously achieves light distribution in different directions as described in any one of claims 1-3.

5. The optical system according to claim 4, characterized in that, It includes at least one reflective unit, and at least one of the reflective units is disposed in the light-emitting direction of the dimming unit (2).

6. A vehicle light, characterized in that, Includes the optical system described in claim 4.

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