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CN-121993760-A - Optical module of lighting device and lighting device

CN121993760ACN 121993760 ACN121993760 ACN 121993760ACN-121993760-A

Abstract

The invention discloses an optical assembly of a lighting device and the lighting device, and belongs to the technical field of lighting facilities. The disclosed lighting device comprises an optical assembly, wherein the optical assembly comprises a light source module, a reflecting structure and a transparent plate, the light source module is used for emitting light rays to the reflecting structure, the reflecting structure is arranged towards the transparent plate and is configured to reflect the light rays to the light emitting side of the transparent plate, and the light emitting side of the transparent plate is used for reflecting the light rays to serve as the emergent light rays of the lighting device so as to form a virtual light source on the backlight side of the transparent plate. By means of the optical component disclosed by the invention, the lighting device can simulate the illumination effect of the sun or moon, so that the lighting device can bring richer illumination effects for users.

Inventors

  • LIU HAISHENG
  • HU HAIQIANG
  • LIU CHAOBO
  • YANG XIAOTONG
  • LIU ZHENG

Assignees

  • 苏州欧普照明有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (10)

  1. 1. The utility model provides an optical assembly of lighting device, its characterized in that includes light source module (200), reflection of light structure (300) and transparent plate (100), light source module (200) are used for to reflection of light structure (300) transmission light, reflection of light structure (300) orientation transparent plate (100) set up, reflection of light structure (300) are configured to with light reflection to the light-emitting side of transparent plate (100), the light-emitting side of transparent plate (100) is used for reflecting as light-emitting of lighting device is in order to form virtual light source in the back light side of transparent plate (100).
  2. 2. The optical assembly of claim 1, wherein the light reflecting structure (300) comprises a first light reflecting element (310), the first light reflecting element (310) being rotatably connected to a mounting (400) provided to the lighting device, the first light reflecting element (310) being configured to rotatably change the position of the virtual light source relative to the mounting (400).
  3. 3. The optical assembly according to claim 2, further comprising a drive mechanism in driving connection with the first light reflecting element (310), the drive mechanism being configured to change the angle of rotation of the first light reflecting element (310) relative to the mount (400) depending on the direction of solar irradiation at different moments in time.
  4. 4. An optical assembly according to claim 2 or 3, wherein the light reflecting structure (300) further comprises a second light reflecting element (320), the light reflecting structure (300) being configured to reflect the light rays of the light source module (200) impinging on its light reflecting surface by the second light reflecting element (320) to the first light reflecting element (310) and to reflect the light rays via the light reflecting surface of the first light reflecting element (310) onto the transparent plate (100).
  5. 5. The optical assembly of claim 4, wherein the distance between the virtual light source formed by the light source module (200) through the optical assembly and human eyes is 2-20 m.
  6. 6. An optical assembly of a lighting device as claimed in claim 1, characterized in that the light source module (200) is adapted to emit a collimated light beam.
  7. 7. A lighting device comprising a surface light source (620) and an optical assembly according to any of claims 1-6, said surface light source (620) being arranged to illuminate the backlight side of said transparent plate (100).
  8. 8. A lighting device as defined in claim 7, further comprising a control device electrically connected to said surface light source (620), said control device being configured to adjust brightness of the beads at different positions on said surface light source (620) and to control on/off of said beads at different positions by means of zone control.
  9. 9. A lighting device as recited in claim 7 or 8, further comprising a line light source (630), a light guide plate (710) and a diffuser ring (730), said line light source (630) being disposed toward said light guide plate (710), said light guide plate (710) being disposed along a circumferential direction of said transparent plate (100), said diffuser ring (730) being located on a light-emitting side of said transparent plate (100), and said diffuser ring (730) being located on a side of said light guide plate (710) toward said transparent plate (100).
  10. 10. A lighting device as recited in claim 9, wherein said light guide plate (710) has an arc-shaped structure, and said light guide plate (710) is disposed symmetrically on opposite sides of a longitudinal direction thereof when said light guide plate (710) is in a flattened state, and both sides are disposed obliquely with respect to said longitudinal direction of said light guide plate (710).

Description

Optical module of lighting device and lighting device Technical Field The invention belongs to the technical field of lighting facilities, and particularly relates to an optical assembly of a lighting device and the lighting device. Background In daily life and work, lighting device wide application in house illumination, commercial illumination, industrial illumination, view illumination etc. provides convenience for people's life and work. With the improvement of living standard of people, the requirements of people on the lighting device are also improved. Some users currently desire lighting devices that not only provide basic lighting functions, but also simulate the lighting effects of the sun or moon, resulting in a richer lighting effect. However, conventional lighting devices generally have only basic lighting functions, and cannot meet these more advanced requirements. Therefore, how to make the lighting device capable of simulating the illumination effect of the sun or moon is a problem to be solved by those skilled in the art. Disclosure of Invention The embodiment of the invention aims to provide an optical assembly of a lighting device and the lighting device, which can solve the problem that the lighting device in the related art cannot simulate the illumination effect of the sun or moon. In a first aspect, an embodiment of the present application provides an optical assembly of a lighting device, including a light source module, a light reflecting structure and a transparent plate, where the light source module is configured to emit light to the light reflecting structure, the light reflecting structure is disposed towards the transparent plate, the light reflecting structure is configured to reflect the light to a light emitting side of the transparent plate, and the light emitting side of the transparent plate is configured to reflect the light as an outgoing light of the lighting device to form a virtual light source on a backlight side of the transparent plate. Optionally, the light reflecting structure comprises a first light reflecting element, the first light reflecting element is rotatably connected with a mounting piece arranged on the lighting device, and the first light reflecting element is configured to change the position of the virtual light source relative to the mounting piece. Optionally, the optical assembly further comprises a driving mechanism, wherein the driving mechanism is in driving connection with the first reflecting element, and the driving mechanism is configured to change the rotation angle of the first reflecting element relative to the mounting piece according to the sunlight irradiation directions at different moments. Optionally, the light reflecting structure further includes a second light reflecting element, and the light reflecting structure is configured to reflect the light irradiated by the light source module onto the light reflecting surface of the light source module to the first light reflecting element through the second light reflecting element, and reflect the light onto the transparent plate through the light reflecting surface of the first light reflecting element. Optionally, the distance between the virtual light source formed by the light source module through the optical component and human eyes is 2-20 m. Optionally, the light source module is used for emitting a collimated light beam. In a second aspect, an embodiment of the present application further provides an illumination device, which includes a surface light source and the optical assembly described above, where the surface light source is used to irradiate the backlight side of the transparent plate. Optionally, the lighting device further comprises a control device, wherein the control device is electrically connected with the surface light source, and the control device is used for adjusting the brightness of the lamp beads at different positions on the surface light source and controlling the on-off of the lamp beads at different positions in a region control mode. Optionally, the lighting device further includes a linear light source, a light guide plate, and a diffusion ring, the linear light source is disposed towards the light guide plate, the light guide plate is disposed along a circumference of the transparent plate, the diffusion ring is located at a light emitting side of the transparent plate, and the diffusion ring is located at a side of the light guide plate towards the transparent plate. Optionally, the light guide plate is arc structure, in the condition that the light guide plate is in the exhibition flat state, the light guide plate is in the two opposite sides symmetry setting of self length direction on the back, and both just the two equal length direction slope setting of light guide plate. Compared with the prior art, the technical scheme of the invention has the following beneficial effects: in the optical assembly provided by the technical scheme of t