Lens optical system for improving lighting effect

Abstract

The utility model discloses a lens optical system for improving lightening effect, comprising an imaging part which comprises a light source, a reflection unit and an imaging unit; the light source is used for emitting light; the reflection unit is arranged on a light emitting path of the light source, the reflection unit is located in the optical axis direction of the light source, and the reflection unit is used for reflecting light rays emitted by the light source so as to change the path of the light rays; and the imaging unit is located on a reflection path of the reflection unit, has a focus, and is used for imaging a virtual image formed by the light source relative to the reflection unit. The LED lamp has the advantages of being flexible in space arrangement and even in lighting.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of light lighting, specifically relates to automobile light, especially to a lens optical system of improving lighting effect. BACKGROUND

[0002] The arrangement direction of the light source in the optical system is usually forward light emission or vertical light emission, that is, the circuit board is usually placed horizontally or vertically, when the lens scheme is used, the circuit board is placed according to the oblique shape in order to adapt to the installation space, then the optical axis of the light source installed on the circuit board deviates from the driving direction, part of the light cannot be used by the lens with the light emission direction consistent with the driving direction, and the uniformity of lighting is reduced, in order to meet the space arrangement and improve the lighting effect, the lens optical system of improving lighting effect is provided. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art.

[0004] Therefore, the utility model provides a lens optical system of improving lighting effect, which has the advantages of flexible space arrangement and uniform lighting.

[0005] The lens optical system of improving lighting effect according to the utility model embodiment comprises: an imaging part, the imaging part comprises: a light source, a reflection unit and an imaging unit, the light source is used to emit light, the reflection unit is arranged on the light emission path of the light source, the reflection unit is located on the optical axis direction of the light source, the reflection unit is used to reflect the light emitted by the light source to change the path of the light, the imaging unit is located on the reflection path of the reflection unit, the imaging unit has a focal point, and the imaging unit images the virtual image formed by the light source relative to the reflection unit.

[0006] According to one embodiment of the utility model, the reflection unit is a mirror surface, the reflection unit is used to present the virtual image of the light source, the focal point of the imaging unit coincides with the virtual image position of the reflection unit, so as to project and image the virtual image presented by the reflection unit.

[0007] According to one embodiment of the utility model, the included angle between the reflection unit and the light emission direction of the imaging unit is 45 DEG ± 15 DEG.

[0008] According to one embodiment of the utility model, the imaging unit is a lens.

[0009] According to one embodiment of the utility model, the surface type of the lens is flat convex or concave convex.

[0010] According to one embodiment of the present application, the light emitting direction of the imaging unit is provided with a diffusion assembly for diffusing the light emitting angle.

[0011] According to one embodiment of the present application, the diffusion assembly is in the shape of corn kernels or rhombic patterns.

[0012] According to one embodiment of the present application, the number of the imaging units is multiple, and the multiple imaging units are arranged in the vertical direction along the optical axis direction of the light source.

[0013] The present application has the advantages that the present application changes the direction of the light by using the reflection unit, so that the setting position of the light source is more flexible, and after setting the position of the light source flexibly, most of the light can still be emitted to the imaging unit, so that the utilization rate of the light is ensured.

[0014] Other features and advantages of the present application will be illustrated in the following description, and some of them will become apparent from the description, or will be understood by practicing the present application.

[0015] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0017] Figure 1 is a schematic diagram of the overall structure of the imaging unit of the present application;

[0018] Figure 2 is a schematic diagram of the overall structure of the imaging unit of the present application;

[0019] Figure 3 is a schematic diagram of the overall structure of the imaging unit of the present application;

[0020] Figure 4 is a schematic diagram of the horizontal arrangement of multiple imaging units of the present application;

[0021] Reference signs:

[0022] 1, light source; 2, reflection unit; 3, imaging unit. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the features limited as "first" and "second" can be explicitly or implicitly included one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The lens optical system for improving lighting effect of the embodiments of the present application is described in detail below with reference to the drawings.

[0027] As shown in Figures 1-4 According to the lens optical system for improving lighting effect of the embodiments of the present application, the imaging part includes: a light source 1, a reflecting unit 2 and an imaging unit 3; the light source 1 is used for emitting light; the reflecting unit 2 is arranged on the light emitting path of the light source 1, the reflecting unit 2 is located on the optical axis direction of the light source 1, the reflecting unit 2 is used for reflecting the light emitted by the light source 1 to change the path of the light; the imaging unit 3 is located on the reflecting path of the reflecting unit 2, the imaging unit 3 has a focal point, the imaging unit 3 images the virtual image formed by the light source 1 relative to the reflecting unit 2, and the light emitting direction of the imaging unit 3 is consistent with the driving direction of the automobile.

[0028] In the embodiment, the light source 1 can be an LED, the light source 1 emits light to the reflecting unit 2, the reflecting unit 2 reflects the light, and the light is reflected to the imaging unit 3 through the reflection, so as to adjust the installation angle of the light source 1. The direction of the light is changed by using the reflecting unit 2, so that the setting position of the light source 1 is more flexible. After the position of the light source 1 is flexibly set, it is still ensured that most of the light can be emitted to the imaging unit 3, so that the utilization rate of the light is ensured. Since the imaging unit 3 has a focal point, the principle of projection imaging is adopted, so that even if the shape is inclined, most of the light emitted by the light source 1 can still be received and utilized by the imaging unit 3, and the optical axis of the virtual image of the light source 1 and the imaging unit 3 is basically consistent.

[0029] The reflecting unit 2 is a mirror surface, the reflecting unit 2 is used to present a virtual image of the light source 1, the focal point of the imaging unit 3 coincides with the virtual image position of the reflecting unit 2, so as to project and image the virtual image presented by the reflecting unit 2.

[0030] In the embodiment, the light emitting center of the light source 1 is O, O is O' relative to the virtual image of the reflecting unit 2, O and O' are vertically symmetrical relative to the reflecting unit 2, the focal point F of the imaging unit 3 coincides with O', the reflecting unit 2 is a mirror surface, so that the optical axis of the light source 1 and the optical axis of the imaging unit 3 are consistent, that is, without any diffusion unit, the light emitted from the light source 1 is collimated as approximately parallel light after passing through the imaging unit 3, which is beneficial to the lighting effect. Under the premise of the same focal length, the distance before and after the reflecting unit 2 is smaller than that of the light source 1 direct projection, so that the space is saved.

[0031] The diffusion assembly is arranged on the light emitting direction of the imaging unit 3, and is used to diffuse the light emitting angle. The diffusion assembly can be arranged on the light emitting surface of the imaging unit 3 and / or the light entering surface of the imaging unit 3.

[0032] The imaging unit 3 is a lens, the surface type of the lens is flat convex or concave-convex, and the diffusion assembly is a diffusion pattern. The diffusion pattern can be corn grain or rhombus pattern, and the like, which can realize diffusion. The diffusion pattern can be set according to the needs of the user.

[0033] The included angle between the reflecting unit 2 and the light emitting direction of the imaging unit 3 is 45°±15°, and is preferably 45°. The light is converted into light parallel to the light emitting direction of the imaging unit 3 by the reflecting unit 2.

[0034] In the embodiment, the optical axis of the light source 1 and the light emitting direction of the imaging unit 3 form an angle close to vertical. The angle between the optical axis of the light source 1 and the light emitting direction of the imaging unit 3 is within ±15°, and is preferably within ±5°. The uniformity of the lighting is ensured.

[0035] The number of imaging units is multiple, and the multiple imaging units are arranged in the vertical direction along the optical axis direction of the light source 1; the focal length of the imaging unit 3 of the multiple imaging units can be set to be the same or different according to requirements.

[0036] In the embodiment, the multiple imaging units can be arranged in the horizontal direction from left to right according to the lighting requirements, and the multiple imaging units 3 can be staggered arranged in the front and back direction according to requirements, at this time, the light source 1 of the multiple imaging units can be installed on the same circuit board, arranged above or below the multiple imaging units 3; or the multiple imaging units can be arranged in the vertical direction from top to bottom, and the multiple imaging units 3 can be staggered arranged in the front and back direction according to requirements, at this time, the light source 1 of the multiple imaging units can be installed on the same circuit board, arranged on the left or right side of the multiple imaging units 3; so as to reduce the number of circuit boards, simplify the installation steps, and optimize the installation space.

[0037] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A lens optical system for improving a lighting effect, characterized by, The application relates to an imaging device, comprising: An imaging unit, comprising: A light source (1) for emitting light rays; A reflecting unit (2) arranged on the light emitting path of the light source (1), the reflecting unit (2) being located in the optical axis direction of the light source (1), and the reflecting unit (2) being used for reflecting the light rays emitted by the light source (1) to change the path of the light rays; An imaging unit (3) located on the light reflecting path of the reflecting unit (2), the imaging unit (3) having a focal point, and the imaging unit (3) being used for imaging the virtual image of the light source (1) relative to the reflecting unit (2).

2. The elevated highlight effect lens optical system of claim 1, wherein, The reflecting unit (2) is a mirror surface, the reflecting unit (2) is used for presenting the virtual image of the light source (1), the focal point of the imaging unit (3) coincides with the virtual image position of the reflecting unit (2), and the virtual image presented by the reflecting unit (2) is projected and imaged.

3. The elevated highlight effect lens optical system of claim 2, wherein, The included angle between the reflecting unit (2) and the light emitting direction of the imaging unit (3) is 45 DEG + 15 DEG.

4. The elevated highlight effect lens optical system of claim 3, wherein, The imaging unit (3) is a lens.

5. The elevated highlight effect lens optical system of claim 4, wherein, The surface type of the lens is flat-convex or concave-convex.

6. The elevated lighting effect lens optical system of claim 5, wherein, A diffusion assembly is arranged on the light emitting direction of the imaging unit (3) and is used for diffusing the light ray emitting angle.

7. The elevated highlight effect lens optical system of claim 6, wherein, The diffusion assembly is corn grain or diamond pattern.

8. The elevated highlight effect lens optical system of claim 7, wherein, The number of the imaging units is multiple, and the multiple imaging units are arranged in the vertical direction along the optical axis direction of the light source (1).

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