Optical assembly of lighting device and lighting device

Abstract

The utility model discloses an optical assembly of a lighting device and the lighting device, and belongs to the technical field of lighting facilities. The illuminating device comprises an optical assembly, the optical assembly comprises a light source module, a light reflecting structure and a transparent plate, the light source module is used for emitting light to the light reflecting structure, the light reflecting structure is arranged towards the transparent plate, and the light reflecting structure is configured to reflect the light to the light emitting side of the transparent plate; the light-emitting side of the transparent plate is used for reflecting the light to serve as emergent light 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 assembly disclosed by the utility model, the lighting device can simulate the lighting effect of the sun or the moon, so that the lighting device can bring rich lighting effects to users.

Description

Technical Field

[0001] The utility model belongs to the technical field of lighting facilities, and in particular relates to an optical component of a lighting device and a lighting device. Background Art

[0002] In daily life and work, lighting devices are widely used in home lighting, commercial lighting, industrial lighting, landscape lighting, etc., providing convenience for people's life and work.

[0003] As people's living standards improve, their expectations for lighting devices also rise. Some users now expect lighting devices to not only provide basic illumination but also simulate the lighting effects of the sun or moon, creating richer lighting effects. However, traditional lighting devices typically only provide basic lighting functions and cannot meet these more advanced requirements.

[0004] Therefore, how to make the lighting device simulate the lighting effect of the sun or the moon has become a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of the embodiments of the present utility model is to provide an optical component of a lighting device and a lighting device, which can solve the problem in the related art that the lighting device cannot simulate the lighting effect of the sun or the moon.

[0006] In a first aspect, an embodiment of the present application provides an optical component of a lighting device, comprising a light source module, a reflective structure, and a transparent plate, wherein the light source module is used to emit light toward the reflective structure, the reflective structure is arranged toward the transparent plate, and the reflective structure is configured to reflect the light to the light-emitting side of the transparent plate, and the light-emitting side of the transparent plate is used to reflect the light as the outgoing light of the lighting device to form a virtual light source on the backlight side of the transparent plate.

[0007] Optionally, the reflective structure includes a first reflective element, which is rotatably connected to a mounting member provided on the lighting device, and the first reflective element is configured to rotate relative to the mounting member to change the position of the virtual light source.

[0008] Optionally, the optical assembly further includes a driving mechanism, which is drivingly connected to the first reflective element, and the driving mechanism is configured to change the rotation angle of the first reflective element relative to the mounting member according to the direction of sunlight at different times.

[0009] Optionally, the reflective structure further includes a second reflective element, and the reflective structure is configured to reflect the light irradiated by the light source module onto its reflective surface to the first reflective element through the second reflective element, and reflect the light onto the transparent plate through the reflective surface of the first reflective element.

[0010] Optionally, the distance between the virtual light source formed by the light source module through the optical component and the human eye is 2-20 m.

[0011] Optionally, the light source module is used to emit a collimated light beam.

[0012] In a second aspect, an embodiment of the present application further provides a lighting device, which includes a surface light source and the optical component described above, wherein the surface light source is used to illuminate the backlight side of the transparent plate.

[0013] Optionally, the lighting device further includes a control device, which is electrically connected to the surface light source, and is used to adjust the brightness of the lamp beads at different positions on the surface light source and control the on and off of the lamp beads at different positions through regional control.

[0014] Optionally, the lighting device also includes a line light source, a light guide plate and a diffusion ring, the line light source is arranged toward the light guide plate, the light guide plate is arranged along the circumference of the transparent plate, the diffusion ring is located on the light emitting side of the transparent plate, and the diffusion ring is located on the side of the light guide plate facing the transparent plate.

[0015] Optionally, the light guide plate has an arc-shaped structure. When the light guide plate is in a flattened state, two opposite sides of the light guide plate in its length direction are symmetrically arranged, and both sides are inclined relative to the length direction of the light guide plate.

[0016] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:

[0017] In the optical component provided by the technical solution of the present invention, a collimated light beam is emitted by a light source module and irradiated on a reflective structure, and the light is reflected by the reflective structure to the light-emitting side of a transparent plate, forming a virtual image on the backlight side of the transparent plate as a virtual light source, thereby simulating the lighting effect of sunlight or moonlight shining on a window, and having a sense of depth, so that when a user observes the virtual image, the user can have the feeling that there is a real sun or real moon behind the transparent plate. At the same time, the rotation angle of the first reflective element in the reflective structure is adjusted according to different times of the day, the position of the virtual image is changed, and the position and movement trajectory of the sun or moon at different times are simulated to form a lighting scene illuminated by the sun or moon.

[0018] On the other hand, under the conditions of setting up a sky simulation device and a window shadow device, the sun simulation lighting effect can be combined with the blue sky and white clouds and the window shadow effect into one. When the user looks at the lighting device, it is as if he can see through the blue sky and white clouds the light and shadow formed by the sunlight shining on the window and the window shadow formed on the window sill after the sunlight passes through the window, which can present a more realistic and natural lighting scene. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the lighting device disclosed in an embodiment of the present utility model at a first viewing angle;

[0020] Figure 2 This is a schematic structural diagram of the lighting device disclosed in an embodiment of the present utility model at a second viewing angle;

[0021] Figure 3 This is a schematic structural diagram of the lighting device disclosed in an embodiment of the present utility model at a third viewing angle;

[0022] Figure 4 This is an exploded schematic diagram of the lighting device disclosed in an embodiment of the present utility model;

[0023] Figure 5 A cross-sectional view of the lighting device disclosed in an embodiment of the present utility model;

[0024] Figure 6 for Figure 5 A magnified view of part A;

[0025] Figure 7 This is a schematic structural diagram of the first circuit board disclosed in an embodiment of the present utility model;

[0026] Figure 8 A schematic structural diagram of a light guide plate disclosed in an embodiment of the present utility model;

[0027] Figure 9 This is one of the ray tracing diagrams of the lighting device disclosed in the embodiment of the present utility model;

[0028] Figure 10 This is the second ray tracing diagram of the lighting device disclosed in the embodiment of the present utility model;

[0029] Figure 11 This is the third ray tracing diagram of the lighting device disclosed in the embodiment of the present utility model;

[0030] Figure 12 This is the fourth ray tracing diagram of the lighting device disclosed in the embodiment of the present utility model;

[0031] Figure 13 This is one of the optical principle diagrams of the optical assembly disclosed in the embodiment of the present utility model;

[0032] Figure 14 This is the second optical principle diagram of the optical component disclosed in the embodiment of the present utility model;

[0033] Figure 15 This is the third optical principle diagram of the optical assembly disclosed in the embodiment of the present utility model;

[0034] Figure 16 This is the fourth optical principle diagram of the optical component disclosed in the embodiment of the present utility model;

[0035] Figure 17 This is the fifth optical principle diagram of the optical assembly disclosed in the embodiment of the present utility model;

[0036] Figure 18 A distortion diagram of the virtual image observed by the user;

[0037] Figure 19 This is one of the simulation diagrams of the lighting device disclosed in the embodiment of the present utility model;

[0038] Figure 20 This is the second simulation diagram of the lighting device disclosed in the embodiment of the present utility model;

[0039] Figure 21 This is the third simulation diagram of the lighting device disclosed in the embodiment of the present utility model;

[0040] Figure 22 This is the fourth simulation diagram of the lighting device disclosed in the embodiment of the present utility model;

[0041] Figure 23 This is the fifth simulation diagram of the lighting device disclosed in the embodiment of the present utility model.

[0042] Description of reference numerals:

[0043] 100-transparent plate, 110-light emitting surface;

[0044] 200-light source module, 210-first light;

[0045] 300-reflective structure, 310-first reflective element, 311-rotating shaft, 320-second reflective element;

[0046] 400-Mounting parts;

[0047] 500-lamp body, 510-first through-opening, 520-limiting portion, 530-clamping portion, 540-annular groove;

[0048] 610 - control device, 620 - surface light source, 621 - second light, 630 - line light source, 631 - third light;

[0049] 710 - light guide plate, 712 - cut-off groove, 713 - second through-hole, 714 - slot, 720 - light shielding ring, 730 - diffusion ring, 731 - third through-hole, 740 - diffusion plate;

[0050] 800-installation structure;

[0051] 910 - eye, 920 - first virtual image, 930 - second virtual image, 940 - third virtual image, 950 - fourth virtual image, 960 - fifth virtual image. DETAILED DESCRIPTION

[0052] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0053] The terms "first," "second," and the like in the specification and claims of the present invention are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of the present invention can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects. For example, the first object can be one or more. In addition, the term "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0054] The optical assembly of the lighting device and the lighting device provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings through specific embodiments and their application scenarios.

[0055] Please refer to Figures 1 to 23 As shown, an embodiment of the present application provides an optical assembly of an illumination device, comprising: a light source module 200, a reflective structure 300, and a transparent plate 100. The light source module 200 is configured to emit light toward the reflective structure 300. The reflective structure 300 is disposed toward the transparent plate 100 and is configured to reflect light toward the light-emitting side of the transparent plate 100. The light-emitting side of the transparent plate 100 is configured to reflect the light as outgoing light of the illumination device, thereby forming a virtual light source on the backlight side of the transparent plate 100.

[0056] In the optical assembly provided by the technical solution of the present invention, a collimated light beam is emitted by the light source module 200 and irradiated on the reflective structure 300. The light is reflected by the reflective structure 300 to the light-emitting side of the transparent plate 100, forming a virtual image on the backlight side of the transparent plate 100 as a virtual light source, thereby simulating the lighting effect of sunlight or moonlight shining on the window, and having a sense of depth, so that when the user observes the virtual image, the user can have the feeling that there is a real sun or real moon behind the transparent plate 100. At the same time, the rotation angle of the first reflective element 310 in the reflective structure 300 is adjusted according to different times of the day, the position of the virtual light source is changed, the position of the sun or moon and its movement trajectory at different times are simulated, and a lighting scene illuminated by the sun or moon is formed.

[0057] On the other hand, under the conditions of setting up a sky simulation device and a window shadow device, the sun simulation lighting effect can be combined with the blue sky and white clouds and the window shadow effect into one. When the user looks at the lighting device, it is as if he can see through the blue sky and white clouds the light and shadow formed by the sunlight shining on the window and the window shadow formed on the window sill after the sunlight passes through the window, which can present a more realistic and natural lighting scene.

[0058] It should be noted that when the light reflected by the reflective structure 300 is transmitted to the transparent plate 100, mirror reflection will be generated, and will be reflected through the transparent plate 100 to the light-emitting side of the transparent plate 100. When the user's line of sight is directed to the transparent plate 100, these reflected light rays will enter the user's eyes 910, so that the user can observe that the interior of the lighting device presents a virtual image corresponding to the light source module 200. This virtual image is the virtual image mentioned above, that is, the virtual light source mentioned above.

[0059] Optionally, at least a portion of the light emitting surface 110 of the transparent plate 100 is used to reflect light, and the portion of the light emitting surface 110 used to reflect light meets, for example, preset roughness and preset flatness requirements, so that the portion of the light emitting surface 110 used to reflect light is smoother and flatter, thereby improving the clarity of the virtual light source.

[0060] In another embodiment, reference Figure 3 As shown, the reflective structure 300 includes a first reflective element 310, which is rotatably connected to a mounting member 400 provided on the lighting device. The first reflective element 310 is configured to rotate relative to the mounting member 400 to change the position of the virtual light source.

[0061] Specifically, refer to Figure 3As shown, the reflective surface of the first reflective element 310 is positioned toward the light-emitting surface 110 of the transparent plate 100 described above. When the first reflective element 310 rotates relative to the mounting member 400, the position at which light is reflected on the light-emitting surface 110 changes, thereby causing the position of the virtual light source to change. When the first reflective element 310 is in the first position, the light is emitted, for example, toward the third position of the light-emitting surface 110. When the first reflective element 310 is in the second position, the light is emitted, for example, toward the fourth position of the light-emitting surface 110. The position at which light is emitted on the light-emitting surface 110, i.e., the position at which light is reflected on the light-emitting surface 110, changes with the position of the first reflective element 310.

[0062] In this embodiment, the position of the virtual light source is variable, so that the lighting device can simulate the position and movement trajectory of the sun or moon at different times. In this way, the lighting device can provide richer visual effects.

[0063] Understandably, the reference Figures 13 to 17 As shown, the position of the virtual image corresponding to the light source module 200 observed by the user is directly related to the position of the light emitted to the light emitting surface 110. When the position of the light emitted to the light emitting surface 110 changes, the position of the virtual image corresponding to the light source module 200 observed by the user changes accordingly.

[0064] In other optional embodiments, the first reflective element 310 may also be fixed to the mounting member 400 .

[0065] In another embodiment, the optical assembly further includes a driving mechanism that is operatively connected to the first reflective element 310. The driving mechanism is configured to change the rotation angle of the first reflective element 310 relative to the mounting member 400 based on the direction of sunlight at different times. With this arrangement, the driving mechanism can automatically rotate the first reflective element 310, thereby saving manpower.

[0066] Optionally, the driving mechanism is, for example, an electric motor. Figure 10 As shown, the first reflective element 310 is provided with a rotating shaft 311, and the driving mechanism is connected to the rotating shaft 311 to drive the first reflective element 310 to rotate. When the light emitting surface 110 is a plane, the axis of the rotating shaft 311 is parallel to the light emitting surface 110.

[0067] In other optional embodiments, the optical assembly may not include a driving mechanism, and in this case, for example, the user is required to manually rotate the first reflective element 310 .

[0068] In a further embodiment, reference Figure 2As shown, the reflective structure 300 also includes a second reflective element 320. The reflective structure 300 is configured to reflect the light irradiated by the light source module 200 onto its reflective surface to the first reflective element 310 through the second reflective element 320, and reflect the light onto the transparent plate 100 through the reflective surface of the first reflective element 310.

[0069] In order to distinguish the light emitted by other structures, the light emitted by the light source module 200 is defined as the first light 210. The transmission path of the first light 210 is, for example, the reference Figure 9 and Figure 10 shown.

[0070] During specific use, refer to Figure 16 As shown, the first light 210 emitted by the light source module 200 hits the second reflective element 320, which is mirrored on the second reflective element 320 to form a first virtual image 920 of the light source module 200. The second reflective element 320 then reflects the first light 210 back to the first reflective element 310, which mirrors the first virtual image 920 to form a second virtual image 930. The first reflective element 310 then reflects the first light 210 back to the transparent plate 100, which mirrors the second virtual image 930 to form a third virtual image 940. The third virtual image 940 is the virtual image observed by the user's eye 910. It can be seen that in this embodiment, the light source module 200 undergoes at least three mirroring cycles to obtain the third virtual image 940. Since each mirroring cycle increases the distance between the user's eye 910 and the virtual image observed by the user's eye 910, the solution adopted in this embodiment can provide the user with a stronger sense of depth in the virtual image observed by the user, thereby enabling the optical assembly to more realistically simulate the lighting effects of the sun or moon. In addition, the reflective surface of the first reflective element 310 and the reflective surface of the second reflective element 320 can correct the aberration, so that the distortion of the third virtual image 940 is small, and the clarity of the third virtual image 940 is better. For example, the distortion diagram of the third virtual image 940 is shown in FIG. Figure 18 shown.

[0071] It should be noted that the distance between the virtual image observed by the user and the user's eye 910 is related to the shape of the reflective surface of the first reflective element 310, the shape of the reflective surface of the second reflective element 320, the distance between the light source module 200 and the second reflective element 320, the distance between the first reflective element 310 and the second reflective element 320, the distance between the first reflective element 310 and the transparent plate 100, and the setting angles of the first reflective element 310 and the second reflective element 320. More specifically, in the case where the reflective surface of the first reflective element 310 and the reflective surface of the second reflective element 320 are both curved surfaces, the reflective surface of the first reflective element 310 refers, for example, to the radius of curvature of the reflective surface of the first reflective element 310, the shape of the reflective surface of the second reflective element 320 refers, for example, to the radius of curvature of the reflective surface of the second reflective element 320, the setting angle of the first reflective element 310 refers, for example, to the angle between the reflective surface of the first reflective element 310 and the mounting member 400, and the setting angle of the second reflective element 320 refers, for example, to the angle between the reflective surface of the second reflective element 320 and the mounting member 400.

[0072] Optionally, the first reflective element 310 is, for example, a first reflective mirror, and the second reflective element 320 is, for example, a second reflective mirror.

[0073] In other optional embodiments, the reflective structure 300, for example, only includes the first reflective element 310. In this way, during specific use, refer to Figure 13 and Figure 14 As shown, the first light ray 210 emitted by the light source module 200 hits the first reflective element 310, and the first reflective element 310 will mirror to form a fourth virtual image 950 of the light source module 200. Then, the first reflective element 310, for example, reflects the first light ray 210 to the transparent plate 100. At this time, the transparent plate 100 mirrors the fourth virtual image 950 to form a fifth virtual image 960. The fifth virtual image 960 is the virtual image observed by the user's eyes 910.

[0074] In an optional embodiment, the reflective structure 300, for example, includes at least three reflective elements, and the at least three reflective elements include, for example, the first reflective element 310 and the second reflective element 320 described above, each reflective element is, for example, arranged on the mounting member 400, and the reflective surfaces of other reflective elements except the first reflective element 310 and the second reflective element 320, for example, reflect light in sequence to reflect the light reflected by the reflective surface of the second reflective element 320 to the reflective surface of the first reflective element 310.

[0075] In another embodiment, the distance between the virtual light source formed by the optical components of the light source module 200 and the human eye is, for example, 2 to 20 meters, and optionally, 2 meters, 10 meters, or 20 meters. Within this distance range, the virtual light source has a stronger sense of depth, thereby more realistically simulating the lighting effects of the sun or moon. Of course, in other optional embodiments, the distance between the virtual light source and the human eye can also be less than 2 meters or greater than 20 meters.

[0076] In another embodiment, the light source module 200 is configured to emit a collimated light beam. A collimated light beam maintains high parallelism and directional consistency during propagation, thereby maintaining high light intensity and clarity over longer distances. Using a collimated light beam to form a virtual light source can improve both brightness and clarity. Furthermore, a collimated light beam does not lose excessive energy due to diffusion during propagation, resulting in higher energy efficiency.

[0077] The size of the virtual light source is related to, for example, the diameter of the collimated light beam emitted by the light source module 200 , and the shapes of the reflective surfaces of the first reflective element 310 and the second reflective element 320 .

[0078] Optionally, the light source module 200 includes, for example, a third lamp bead, a lens, and a second circuit board. The light incident surface of the lens faces the third lamp bead. Light emitted by the third lamp bead is focused by the lens to form a collimated beam, and the divergence angle of the collimated beam is, for example, less than 15 degrees. More specifically, the third lamp bead includes, for example, a light-emitting chip, which is packaged on the second circuit board using chip-on-board (COB) technology.

[0079] In other optional embodiments, the light source module 200 may also be used to emit a non-collimated light beam, that is, the light beam may also have a larger divergence angle.

[0080] The present application also provides an illumination device in an embodiment, including a surface light source 620 and the aforementioned optical assembly. The surface light source 620 is configured to illuminate the backlight side of the transparent plate 100, where the backlight side and the light-emitting side are opposite sides in the thickness direction of the transparent plate 100. The aforementioned optical assembly can simulate the lighting effects of the sun or moon. The illumination device in an embodiment of the present application includes the aforementioned optical assembly, thereby also being able to simulate the lighting effects of the sun or moon.

[0081] Optionally, the lighting device is, for example, a ceiling lamp, a decorative lamp, a kitchen and bathroom lamp, and a blue sky lamp.

[0082] In another embodiment, reference Figures 1 to 4As shown, the lighting device further includes a lamp body 500, which is configured as a cylindrical structure. The surface light source 620 and the transparent plate 100 are located in the inner cavity of the lamp body 500. The reflective structure 300 includes, for example, the first reflective element 310 and the second reflective element 320 described above. The first reflective element 310 and the second reflective element 320 are arranged in sequence along a first direction, and the first direction is, for example, parallel to the axis of the lamp body 500. With this arrangement, the first reflective element 310 and the second reflective element 320 occupy a relatively small space as a whole, thereby facilitating a reduction in the size of the lighting device.

[0083] In a further embodiment, reference Figure 2 As shown, the light source module 200 is located outside the lamp body 500. In this way, the light source module 200 does not occupy the internal space of the lamp body 500. In this way, the lamp body 500 does not need to accommodate the light source module 200, so its volume can be designed to be relatively small, which is also conducive to reducing the volume of the lighting device.

[0084] In a further embodiment, reference Figure 1 and Figure 4 As shown, the side wall of the lamp body 500 is provided with a first through-hole 510, which connects the inner cavity of the lamp body 500 to the outside. The aforementioned mounting member 400 is a shell structure, and at least a portion of the mounting member 400 is disposed in the first through-hole 510. The mounting member 400 is connected to the lamp body 500, and the side of the mounting member 400 facing the inner cavity of the lamp body 500 is open. The first reflective element 310 and the second reflective element 320 are both disposed in the inner cavity of the mounting member 400. This arrangement conceals at least a portion of the mounting member 400 within the interior of the lamp body 500, making the lighting device more compact overall.

[0085] In another embodiment, the lighting device further includes a control device 610, which is electrically connected to the surface light source 620. The control device 610 is configured to adjust the brightness of lamp beads at different locations on the surface light source 620 through regional control and to control the on / off of the lamp beads at different locations. Optionally, the control device 610 is, for example, a first circuit board.

[0086] During specific use, the lamp beads at different positions correspond to different areas of the transparent plate 100. By controlling the opening and closing of the lamp beads at different positions, the conversion between the bright area and the dark area on the transparent plate 100 can be achieved. At the same time, by controlling the brightness of the lamp beads, the brightness of the bright area can be controlled. In this way, the lighting device can present more different lighting effects.

[0087] Furthermore, the surface light source 620 includes, for example, at least two lamp beads of different colors. With this arrangement, the color of the bright light area can be controlled by controlling the turning on of the lamp beads of different colors, so that the lighting device can provide richer visual effects.

[0088] It should be noted that the color of the bright light area depends on the color of the corresponding lamp bead, and when the bright light area corresponds to at least two lamp beads of different colors, its color depends on the color formed after the mixed light of each lamp bead.

[0089] In an optional embodiment, the surface light source 620 includes, for example, four different colored lamp beads. In actual use, by controlling the light mixing of the four different colored lamp beads, for example, most of the transparent plate 100 can be made blue, thereby simulating the lighting effect of a blue sky, or part of the transparent plate 100 can be made blue and another part of the transparent plate 100 can be made white, thereby simulating the lighting effect of a blue sky and white clouds. The surface light source 620 and the control device 610 cooperate together to form, for example, the sky simulation device mentioned above. In addition, when the light source module 200 is turned on at the same time, the lighting device can provide the user with a lighting effect of a virtual sun or moon in the distance through the blue sky layer or the blue sky and white clouds layer.

[0090] Optionally, refer to Figure 6 As shown, a diffuser plate 740 is provided on the backlight side of the transparent plate 100. The light emitted by the surface light source 620 is diffused by the diffuser plate 740 and then enters the transparent plate 100. The diffuser plate 740 can diverge the light emitted by the surface light source 620, thereby making the light emitted by the surface light source 620 more uniform.

[0091] In addition, in order to conveniently distinguish the light emitted by the surface light source 620 from the light emitted by other structures, the light emitted by the surface light source 620 is defined as the second light 621. The light path diagram of the surface light source 620 is referred to as Figure 11 shown.

[0092] In other optional embodiments, the lighting device may not include the surface light source 620 .

[0093] In another embodiment, the lighting device further includes a line light source 630, a light guide plate 710, and a diffusion ring 730. The line light source 630 is arranged toward the light guide plate 710 to emit light toward the light guide plate 710. The light guide plate 710 is arranged along the circumference of the transparent plate 100. The diffusion ring 730 is located on the light emitting side of the transparent plate 100, and the diffusion ring 730 is located on the side of the light guide plate 710 facing the transparent plate 100.

[0094] During specific use, the light emitted by the line light source 630 enters the light guide plate 710, and then is emitted through the diffusion ring 730, so that the part of the diffusion ring 730 opposite to the light guide plate 710 is lit, and the lit part is mirrored by the transparent plate 100 to form a sixth virtual image. At this time, when the user looks up at the lighting device, the lit part of the diffusion ring 730 can be the window shadow formed on the window sill after the sunlight passes through the window. The sixth virtual image can simulate the light and shadow formed by the sunlight shining on the window, so that the lighting device can provide the user with the lighting effect of sunlight passing through the window into the room.

[0095] Optionally, the line light source 630 includes, for example, three different colored lamp beads. The light emitted by the line light source 630 is a mixture of the three different colored lights emitted by the three lamp beads, so that by controlling the mixing of the three different colored lamp beads, the lighting device can provide different lighting effects for the user.

[0096] In an optional embodiment, the line light source 630 may also include lamp beads of four different colors. Compared with lamp beads of three different colors, the four different colors of lamp beads have a better light mixing effect, so that the lighting device can provide users with better lighting effects.

[0097] Of course, in other optional embodiments, the line light source 630 may also include lamp beads of at least five different colors.

[0098] It should be noted that, in order to conveniently distinguish the light emitted by the line light source 630 from the light emitted by other structures, the light emitted by the line light source 630 is defined as the third light 631, and the light path diagram of the line light source 630 is referred to as Figure 12 shown.

[0099] In a further embodiment, the control device 610 includes, for example, a first circuit board, and the surface light source 620 and the line light source 630 are both disposed on and electrically connected to the first circuit board. This arrangement, in which the surface light source 620 and the line light source 630 are disposed on the same circuit board, simplifies wiring and reduces the number of components involved in the lighting device, thereby simplifying the structure of the lighting device.

[0100] Optionally, refer to Figure 7 As shown, the lamp beads of the surface light source 620 and the lamp beads of the line light source 630 are, for example, both arranged on the side of the first circuit board facing the inner cavity of the lamp body 500, and the lamp beads of the line light source 630 are, for example, arranged at intervals on the circumferential edge of the first circuit board, and with reference to Figure 7 As shown, the line light source 630 surrounds the surface light source 620 , for example.

[0101] Optionally, the control device 610 can, for example, control the on / off switching of the lamp beads at different positions of the line light source 630 and adjust the brightness of the lamp beads at different positions of the line light source 630, so that the control device 610 can control the light mixing effect of each lamp bead of the line light source 630. The line light source 630 and the control device 610 can, for example, form the window shadow device mentioned above.

[0102] In another embodiment, the light guide plate 710 is, for example, an arc-shaped structure. When the light guide plate 710 is in a flattened state, the light guide plate 710 is symmetrically arranged on two opposite sides in its own length direction, and both sides are inclined relative to the length direction of the light guide plate 710.

[0103] For ease of description, when the light guide plate 710 is flattened, the two opposite sides of the light guide plate 710 in its longitudinal direction are, for example, the first and second sides of the light guide plate 710, respectively, and the first and second sides are, for example, planes. Specifically, when the light guide plate 710 is flattened, the angles between the first and second sides and the longitudinal direction of the light guide plate 710 are, for example, 45 degrees. For ease of description, the angle between the first side and the longitudinal direction of the light guide plate 710 is defined as the first angle, and the angle between the second side and the longitudinal direction of the light guide plate 710 is defined as the second angle.

[0104] In this embodiment, when the light guide plate 710 is lit, the two ends of the lit part of the diffusion ring 730 and the two ends of the sixth virtual image will respectively form a first dividing line and a second dividing line. The first dividing line and the second dividing line can both simulate the cut-off line formed by sunlight passing through the window, so that the lighting device can more vividly simulate the scene of sunlight passing through the window and shining into the room.

[0105] It should be noted that the degree of inclination of the cut-off line mainly depends on the values ​​of the first angle and the second angle mentioned above. When the values ​​of the first angle and the second angle change, the shape of the cut-off line changes accordingly.

[0106] Optionally, when the light guide plate 710 is in a flattened state, the light guide plate 710 is, for example, a rectangular structure, and the rectangular structure is, for example, rolled along a length direction of the rectangular structure to form the light guide plate 710 .

[0107] In a further embodiment, a second through-hole 713 is provided at a position of the light guide plate 710 corresponding to the first through-hole 510, and at least a portion of the aforementioned mounting member 400 is hidden in the second through-hole 713. In this manner, the mounting member 400 is arranged closer to the inner cavity of the lamp body 500, thereby making the lighting device smaller in size.

[0108] In another embodiment, reference Figure 6As shown, the lighting device also includes a shading ring 720, which is located on the side of the diffuser 740 away from the transparent plate 100, and the shading ring is located on the side of the light guide plate 710 facing the inner cavity of the lamp body 500 to prevent light from being emitted from the part opposite to the light guide plate 710 and the shading ring 720 into the inner cavity of the lamp body 500, thereby reducing light waste.

[0109] Furthermore, the diffuser ring 730 is located on the side of the transparent plate 100 facing away from the diffuser plate 740. Both the transparent plate 100 and the diffuser plate 740 are sandwiched between the light shielding ring 720 and the diffuser ring 730. This arrangement secures the position of the transparent plate 100 and the diffuser plate 740 along the axis of the lamp body 500 without damaging their structures, thereby extending the service life of the transparent plate 100 and the diffuser plate 740. In a specific embodiment, the transparent plate 100 and the diffuser plate 740 are integrally formed, for example, using a co-extrusion process.

[0110] Further, refer to Figure 4 As shown, the third through hole 731 is provided at the position where the diffusion ring 730 is opposite to the first through hole 510. This arrangement can prevent the position where the diffusion ring 730 is opposite to the first through hole 510 from blocking light, thereby improving the utilization rate of light.

[0111] In a further embodiment, reference Figure 6 As shown, the lighting device further includes a mounting structure 800, which is disposed at one end of the lamp body 500 in the direction of extension and is detachably connected to the lamp body 500. The side of the mounting structure 800 facing the inner cavity of the lamp body 500 is provided with, for example, the control device 610 described above. The control device 610 cooperates with the light shielding ring 720 to limit the position along the axis of the lamp body 500. With this arrangement, the limit between the control device 610 and the light shielding ring 720 can be released by removing the mounting structure 800. At this point, the light shielding ring 720 can freely enter and exit the inner cavity of the lamp body 500 along the axis of the lamp body 500. Therefore, the solution adopted in this embodiment allows for relatively convenient assembly and disassembly of the light shielding ring 720.

[0112] Furthermore, when the light source module 200 is located outside the lamp body 500, the light source module 200 is, for example, mounted on the mounting structure 800. The mounting structure 800 can provide a relatively stable mounting base for the light source module 200, thereby improving the stability of the light source module 200.

[0113] During specific use, the lighting device can be fixed to the building by connecting the mounting structure 800 to the mounting portion of the building, such as the roof of the building.

[0114] As a specific implementation, the mounting structure 800 is, for example, a mounting plate.

[0115] In an optional embodiment, the lamp body 500 is provided with, for example, an annular groove 540 along its circumference, and the mounting structure 800 is threadedly connected to the inner wall of the annular groove 540, for example, by means of self-tapping screws. With this arrangement, when the mounting structure 800 is connected to the lamp body 500, the self-tapping screws can be connected to the annular groove 540 at any position along the circumference of the lamp body 500, thereby facilitating installation of the mounting structure 800.

[0116] In other optional embodiments, the mounting structure 800 and the lamp body 500 may also be connected in a non-detachable manner such as welding or gluing.

[0117] In a further embodiment, a stopper 520 is provided at one end of the lamp body 500 in the extending direction, for example. The stopper 520 is disposed opposite the light emitting surface 110 of the transparent plate 100, and the stopper 520 cooperates with at least one of the diffuser ring 730 and the light guide plate 710 to limit the position along the axis of the lamp body 500. With this arrangement, the stopper 520 can limit the movement of at least one of the diffuser ring 730 and the light guide plate 710 along the axis of the lamp body 500, thereby improving the stability of at least one of the diffuser ring 730 and the light guide plate 710.

[0118] As a specific implementation, the limiting portion 520 , the diffusion ring 730 , and the light guide plate 710 are all limited in position in the axial direction of the lamp body 500 , for example.

[0119] Furthermore, in the case where the lamp body 500 is a cylindrical structure, the limiting portion 520 includes, for example, an annular flange protruding from the inner side wall of the lamp body 500 along the radial direction of the lamp body 500 .

[0120] Furthermore, when the position-limiting portion 520 includes an annular flange, at least two light guide plates 710 may be spaced apart along the circumference of the lamp body 500 to optimize the overall force applied to the lighting device and ensure that the force applied to the position-limiting portion 520 and the transparent plate 100 is relatively uniform. In this case, the light guide plates 710 correspond to the linear light sources 630, for example, one-to-one. The light emitted by each linear light source 630 enters its corresponding light guide plate 710, and a cutoff groove 712 is formed between any two adjacent light guide plates 710. The cutoff groove 712 intercepts the light to prevent the lighting of other adjacent light guide plates 710 when one light guide plate 710 is illuminated. This design allows the simulation of window shadows at different circumferential locations of the lamp body 500 by controlling the lighting of light guide plates 710 at different locations, thereby enabling the lighting device to meet a wider range of simulation requirements. Of course, the number of line light sources 630 can also be only one. In this case, the line light source 630 only corresponds to one of the light guide plates 710. By controlling the on and off of the line light source 630, the brightness of the light guide plate 710 can be controlled, while the other light guide plates 710 are always in a dark state.

[0121] In a further embodiment, reference Figure 6 and Figure 8 As shown, one of the light guide plate 710 and the lamp body 500 is provided with a clamping portion 530 , for example, and the other is provided with a clamping slot 714 , for example, and the clamping portion 530 is clamped and matched with the clamping slot 714 .

[0122] In this embodiment, the snap-fitting portion 530 and the snap-fitting slot 714 are snap-fitted together, so that the light guide plate 710 and the lamp body 500 are more reliably connected together, thereby making the light guide plate 710 more stable.

[0123] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the purpose of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. An optical component of an illumination device, characterized in that: The invention comprises a light source module (200), a reflective structure (300) and a transparent plate (100), wherein the light source module (200) is used to emit light to the reflective structure (300), the reflective structure (300) is arranged toward the transparent plate (100), and the reflective structure (300) is configured to reflect the light to the light-emitting side of the transparent plate (100), and the light-emitting side of the transparent plate (100) is used to reflect the light as the outgoing light of the lighting device to form a virtual light source on the backlight side of the transparent plate (100).

2. The optical component according to claim 1, wherein The reflective structure (300) comprises a first reflective element (310), the first reflective element (310) being rotatably connected to a mounting member (400) provided on the lighting device, and the first reflective element (310) being configured to rotate relative to the mounting member (400) to change the position of the virtual light source.

3. The optical component according to claim 2, wherein: The optical assembly further comprises a driving mechanism, the driving mechanism being in driving connection with the first light-reflecting element (310), the driving mechanism being configured to change the rotation angle of the first light-reflecting element (310) relative to the mounting member (400) according to the direction of sunlight at different times.

4. The optical component according to claim 2 or 3, characterized in that The reflective structure (300) further comprises a second reflective element (320), and the reflective structure (300) is configured to reflect the light irradiated by the light source module (200) onto its reflective surface to the first reflective element (310) through the second reflective element (320), and to reflect the light onto the transparent plate (100) via the reflective surface of the first reflective element (310).

5. The optical assembly of the lighting device according to claim 4, characterized in that: The distance between the virtual light source formed by the light source module (200) through the optical component and the human eye is 2-20 m.

6. The optical assembly of the lighting device according to claim 1, characterized in that: The light source module (200) is used to emit a collimated light beam.

7. A lighting device, characterized in that: The optical component comprises a surface light source (620) and any one of claims 1 to 6, wherein the surface light source (620) is used for irradiating the backlight side of the transparent plate (100).

8. The lighting device according to claim 7, characterized in that The lighting device further comprises a control device, the control device being electrically connected to the surface light source (620), and the control device being used to adjust the brightness of the lamp beads at different positions on the surface light source (620) and to control the on and off of the lamp beads at different positions through a regional control method.

9. The lighting device according to claim 7 or 8, characterized in that: The lighting device further comprises a line light source (630), a light guide plate (710) and a diffusion ring (730), wherein the line light source (630) is arranged toward the light guide plate (710), the light guide plate (710) is arranged along the circumference of the transparent plate (100), and the diffusion ring (730) is located on the light-emitting side of the transparent plate (100), and the diffusion ring (730) is located on the side of the light guide plate (710) facing the transparent plate (100).

10. The lighting device according to claim 9, characterized in that The light guide plate (710) is an arc-shaped structure. When the light guide plate (710) is in a flattened state, the light guide plate (710) is symmetrically arranged on two opposite sides in its own length direction, and both sides are inclined relative to the length direction of the light guide plate (710).

Images