CN221171868U - Lighting - Google Patents

Abstract

The utility model provides a lamp, a housing, including a bottom wall and a frame extending from the bottom wall to a direction away from the bottom wall; a surface light-emitting device, arranged on the bottom wall and surrounded by the frame, having a first light-emitting surface, the first light-emitting surface simulating sunlight; a projection system, including at least one projection device, the projection device is installed in the frame, the projection device is configured to project a light spot, the shape of the light spot is consistent with the shape of the first light-emitting surface. The projection system in the lamp can simulate the light spot formed on the indoor wall or ground when sunlight penetrates the window and enters the room. At the same time, the shape of the light spot projected by the projection system is consistent with the shape of the first light-emitting surface, thereby improving the visual experience of the lamp.

Description

Lamp set

Technical Field

The utility model relates to the field of illumination, in particular to a lamp.

Background

Along with the improvement of living standard, people are also higher to the demand of illumination in different scenes, wherein, can simulate outdoor natural environment light's lamps and lanterns and obtain market's favor gradually, wide application in house, office building, market, stadium, station, indoor illumination such as airport, traditional blue sky lamp is generally by light source and the pattern board that draws blue sky white cloud to light the pattern board through the light source, form outdoor blue sky light environment, but this kind of scheme can't truly show blue sky and sunlight's matching effect, and the layering is poor, lacks the third dimension, and simulate fidelity is not good.

In contrast, blue sky light designs using light sources in combination with a diffusion panel have appeared in the market to form sunlight in nature, but when real sunlight is emitted into a room from a window, spots are formed on indoor walls or floors.

In view of the foregoing, it is desirable to provide a luminaire that simulates the light spot of sunlight shining through a window on a wall or floor.

Disclosure of utility model

The utility model aims to provide a lamp for projecting light spots.

To achieve the above object, the present utility model provides a lamp, comprising: a housing including a bottom wall and a rim extending from the bottom wall in a direction away from the bottom wall; the surface light-emitting device is arranged on the bottom wall, is surrounded by the frame and is provided with a first light-emitting surface, and the first light-emitting surface simulates the rays of sunlight; the projection system comprises at least one projection device, wherein the projection device is arranged in the frame and is configured to project light spots, and the shape of the light spots is consistent with that of the first light-emitting surface.

As a further improvement of the present utility model, the spectrum of the surface light emitting device is similar to the spectrum of sunlight, so that the first light emitting surface simulates the light of sunlight, or the spectrum of the surface light emitting device is a white light spectrum, and the surface light emitting device further comprises a diffusion structure, wherein the diffusion structure comprises nano particles to form rayleigh scattering, so that the first light emitting surface simulates the light of blue sky.

As a further improvement of the present utility model, the projection device includes a light emitting component, a lens barrel component fixedly connected with the light emitting component, and a lens component disposed inside the lens barrel component, wherein the lens component is disposed on an outgoing line of the light emitting component and configured to adjust an outgoing angle of the light emitting component, an opening is formed on the frame, and a side of the lens barrel component far away from the light emitting component is exposed to the frame through the opening.

As a further improvement of the utility model, the lens barrel assembly comprises at least two detachably connected lens barrels, and each lens barrel is internally provided with a lens.

As a further improvement of the present utility model, the lens barrel assembly includes a first lens barrel, a second lens barrel, and a third lens barrel detachably connected in sequence, the first lens barrel is connected with the light emitting assembly, the third lens barrel is at least partially exposed to the frame, and the lens assembly includes a first lens disposed in the first lens barrel, a second lens disposed in the second lens barrel, and a third lens disposed in the third lens barrel.

As a further improvement of the present utility model, the projection apparatus further includes a diaphragm disposed between the light emitting assembly and the first lens, configured to control the intensity and shape of the light beam projected by the lamp bead.

As a further improvement of the utility model, the projection system comprises a plurality of projection devices, the direction of the outgoing light beam of each of the plurality of projection devices being different.

As a further improvement of the utility model, the projection device is movably connected with the frame through the connecting piece, and the projection device can rotate relative to the frame, so that the wall surfaces or the ground surfaces of the projection device in different directions form simulated solar light spots with preset shapes.

As a further improvement of the present utility model, the preset-shaped simulated solar light spot includes at least one of a circular light spot, an elliptical light spot or a quadrangular light panel.

As a further improvement of the utility model, the surface light-emitting device comprises a first light-emitting module, wherein light rays emitted by the first light-emitting module are emitted out through the first light-emitting surface to form sunlight-imitating light rays, and sunlight-imitating spots formed by irradiation of the light-emitting module in the projection device are distributed on the outer side of the first light-emitting module to form the sunlight-imitating light rays.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: the projection system in the lamp can project light spots to the ground or the wall surface so as to simulate the effect of the real sunlight shining on the ground or the wall surface through the window, the shape of the projected light spots of the projection system is consistent with the shape of the first light-emitting surface, and the visual experience of the lamp is improved.

Drawings

Fig. 1 is a perspective view of a lamp according to an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of the luminaire shown in fig. 1.

Fig. 3 is an exploded view of the structure of the lamp of fig. 1.

Fig. 4 is a schematic plan view of the first light emitting module in the lamp shown in fig. 3.

Fig. 5 is a schematic view of a light emitting module in the first light emitting module shown in fig. 3.

Fig. 6 is a schematic diagram of a second light emitting module in the lamp shown in fig. 3.

Fig. 7 is a structural exploded view of a second embodiment of a side light-emitting device of the present utility model.

Fig. 8 is a schematic diagram of the second light emitting module in fig. 7.

Fig. 9 is an exploded view of a structure of a light guide of a third embodiment of a side light system according to the present utility model.

Fig. 10 is a perspective view of a projection apparatus according to an embodiment of the present utility model.

Fig. 11 is a structural exploded view of the projection device shown in fig. 11.

Fig. 12 is a lighting effect diagram of a lamp according to a preferred embodiment of the present utility model.

Fig. 13 is a lighting effect diagram of the surface light emitting device and the side light emitting device of the lamp according to a preferred embodiment of the present utility model.

100-Lamp;

200-surface light-emitting devices, 201-first light-emitting surfaces, 210-first light-emitting modules, 211-first substrates, 212-light-emitting modules, 2121 first light-emitting units, 2122-second light-emitting units, 220-diffusion structures, 240-transparent plates and 250-inner frames;

300-side light emitting device, 301-second light emitting surface, 302-non-light emitting surface, 303-virtual image, 304-light/shadow transition zone, 310-second light emitting module, 311-second substrate, 312-light emitting element, 320-light guiding element, 321-light emitting element, 322-light guiding element, 3221-V prism microstructure, 323-reflecting sheet, 324-light shielding element, 325-annular lens;

400-projection system, 410-projection device, 420-light emitting component, 421-aluminum substrate, 422-lamp bead, 430-lens component, 431-first lens, 432-second lens, 433-third lens, 440-diaphragm, 450-lens barrel component, 451-first lens barrel, 452-second lens barrel, 453-third lens barrel;

500-mounting system:

600-housing, 610-bottom wall, 620-rim.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

In this case, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and/or processing steps closely related to the aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.

In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-3, a lamp 100 according to a preferred embodiment of the utility model includes a surface light emitting device 200, a side light emitting device 300 and a projection system 400, wherein the surface light emitting device 200 is configured to simulate sunlight in different periods in nature, the side light emitting device 300 is surrounded on the outer side of the surface light emitting device 200, the side light emitting device 300 is configured to simulate the effect of sunlight shining on the edge of a skylight, in addition, the side light emitting device 300 can also form a virtual image 303, and the projection system 400 is disposed on the side edge of the side light emitting device 300 and is configured to form a light spot on the ground or a wall.

The lamp 100 includes a housing 600, the housing 600 includes a bottom wall 610 and a frame 620 extending from the bottom wall 610 to a direction far away from the bottom wall 610, a light outlet is formed between the bottom wall 610 and the frame 620, the surface light emitting device 200 includes a first light emitting module 210 and a diffusion structure 220, the first light emitting module 210 is fixedly connected with the bottom wall 610, the first light emitting module 210 is configured to emit light to the diffusion structure 220, the diffusion structure 220 is mounted in the frame 620, the diffusion structure 220 covers the first light emitting module 210, and the diffusion structure 220 is configured to uniformly emit light emitted by the first light emitting module 210.

In an alternative embodiment, the surface light emitting device 200 is a ceiling lamp, including a chassis, a mask, and a first light emitting module 210, where the first light emitting module 210 is a full spectrum LED chip capable of simulating a solar spectrum. In other embodiments, the first light emitting module 210 may be a conventional white light source, and the nanoparticles are added into the diffusion structure 220 of the surface light emitting device 200 to form rayleigh scattering, so that the first light emitting surface 201 presents a blue color like sky. The utility model is not limited in this regard.

Referring to fig. 2-5, in a preferred embodiment of the utility model, the surface light emitting device 200 includes a first light emitting module 210 and a diffusion structure 220. The first light emitting module 210 includes a first substrate 211 and a plurality of light emitting modules 212, wherein the first substrate 211 is fixedly connected with the bottom wall 610, and the light emitting modules 212 are mounted on one side of the first substrate 211 facing away from the bottom wall 610 and are electrically connected through the first substrate 211.

The light emitting module 212 includes at least two light emitting units capable of emitting light of at least two spectrums. At least two kinds of light emitting units are distributed in a staggered manner, and the adjacent same kind of light emitting units are distributed reversely.

Referring to fig. 5, in a preferred embodiment, each light emitting module 212 on the first light emitting module 210 includes a first light emitting unit 2121 and a second light emitting unit 2122, wherein the first light emitting unit 2121 and the second light emitting unit 2122 are staggered, and two adjacent first light emitting units 2121/second light emitting units 2122 are distributed upside down. Wherein the first light emitting unit 2121 includes any two of four different color light emitting elements, and the second light emitting unit 2122 includes the remaining two color light emitting elements of the four different color light emitting elements. The first light emitting unit 2121, the second light emitting unit 2122, the first light emitting unit 2121, and the second light emitting unit 2122 are sequentially arranged from left to right in the single light emitting module. The two different types of light emitting units 2121 and 2122 are alternately arranged, and adjacent ones of the first light emitting unit 2121 and the second light emitting unit 2122 are inversely arranged. Through the four light-emitting elements with different colors, different light effects can be realized, and the light-emitting units with different types are distributed in a staggered way and the light-emitting units with the same type are distributed reversely, so that the light color emitted by the surface light-emitting device 200 is more uniform, the color of sunlight at different times can be simulated, and the dynamic effect of light is realized.

In the present embodiment, each light emitting module includes two first light emitting units 2121 and two second light emitting units 2122, and in other embodiments, the number of the first light emitting units 2121 and the second light emitting units 2122 included in the light emitting module 212 may be greater, which is not limited by the present utility model.

A light source lens (not shown) is further sleeved on the light emitting units of the light emitting module, and in this embodiment, each light emitting unit is provided with a light source lens, that is, the light source lenses and the light emitting units are arranged in a one-to-one correspondence. By the arrangement, the light rays emitted by the light emitting unit can be concentrated to the center of the light source lens and then emitted outwards, so that the interference of the light rays with each other is avoided. In other embodiments, the light source lens may be two-in-one, four-in-one, etc. lens, so that a single light source lens may cover more light emitting units, or may be one light source lens covering the whole light emitting unit, so that the number of light source lenses may be reduced, and the production and assembly are more convenient and faster.

In the present embodiment, the light emitting units are circularly arranged on the first substrate 211. Specifically, the light emitting units are arranged in a multi-circle concentric circle manner, the number of the light emitting units in each circle is a multiple of 6, 7 or 8, and the number of the light emitting units in each circle concentric circle is confirmed according to the voltage of the light emitting units and the voltage of the driving power supply, in this embodiment, the voltage of the lamp bead 422 is 3V, and the voltage of the driving power supply is 24V, so that the mode of the string 8 is adopted, that is, the number of the light emitting units in each circle concentric circle is a multiple of 8.

In the present embodiment, the first substrate 211 has Ri rings of light emitting units, where i is greater than or equal to 2, the number of light emitting units of the R1 ring is N, the number of light emitting units of the R2 ring is 2N, the number of light emitting units of the Ri ring is i×n, the R1 ring is 1 string, the R2 ring is 2 string, the R2 rings are 2_1 and 2_2, and so on, the Ri rings are i_1 to i_i, i×1) ×i+2/6 string is shared, which is equivalent to that i×1 (i+2)/6 string drawing beams can be adjusted, and since the four light emitting elements with different colors are provided, 4*i ×1×i+2/6 areas can be adjusted in various colors and brightness, and the control system can accurately control the power of the light emitting units of each different area, thereby realizing continuous change of light from morning to evening.

In other embodiments, the light emitting units may be distributed on the first substrate 211 in other shapes such as a zigzag shape, which is not limited in the present utility model.

The surface light emitting device 200 includes an inner frame 250 and a diffusion structure 220, wherein the inner frame 250 is sleeved in the frame 620, and the diffusion structure 220 is fixedly connected with one end of the inner frame 250 away from the first light emitting module 210. The light emitted from the light emitting units in the first light emitting module 210 passes through the diffusion structure 220, and the diffusion structure 220 diffuses the light to divide the line light source or the point light source into non-uniform surface light sources. In this embodiment, the diffusion structure 220 is a diffusion plate, the transmittance of the diffusion plate reaches 40% -65%, and the thickness of the diffusion plate is about 3 mm.

The diffusion plate can better eliminate the granular sensation of the light emitted from the first light emitting module 210, and has the effect of diffusing the light, namely, the light can be scattered on the surface of the diffusion plate, so that the light is scattered softly and uniformly. After the light is diffused by the diffusion plate, the irradiation area is larger, the light uniformity is better, and the chromaticity is stable.

In other embodiments, the diffusion structure 220 may be a micro-structure, and the micro-structure also covers the light emitting module, and the micro-structure can perform better light-equalizing function, which is not limited in the present utility model.

In some embodiments, the surface light emitting device 200 further includes a transparent plate 240, the transparent plate 240 is fixedly connected with one end of the frame 620 away from the first light emitting module 210, and the transparent plate 240 is located at a side of the first light emitting surface 201 away from the first light emitting module 210, a side of the transparent plate 240 away from the first light emitting surface 201 is a mirror surface, and at least a portion of light emitted by the side light emitting device 300 is projected onto the transparent plate 240 after passing through the second light emitting surface 301 and reflected by the transparent plate 240 to form a virtual image 303, so as to simulate a window shadow effect formed on a window when one side of the window is illuminated by sunlight, so that a human eye looks deep and transparent.

The reflectivity of the mirror surface of the transparent plate 240 to light is greater than the transmittance of light, so that external light can be restricted from entering the transparent plate 240 from the light-exiting surface. Alternatively, the material of the transparent plate 240 may be an inorganic material, and the inorganic material may be quartz glass. The transparent plate 240 may be made of an organic material, which may be a polymer transparent material such as organic glass, which is not limited in the present utility model.

In some embodiments, a thin unidirectional film layer, such as tin, silver or aluminum, is plated on the light-emitting surface of the transparent plate 240 through a crystal plating process, so that the unidirectional film layer is formed, and the unidirectional film layer can have relatively high smoothness by adopting the crystal plating process, and in other embodiments, the transparent plate 240 can be selected according to practical situations, which is not limited herein. The thickness of the unidirectional film layer can be adjusted according to actual conditions, when the thickness of the unidirectional film layer is increased, the reflectivity and the transmittance of the unidirectional film layer can be changed, and the unidirectional perspective effect is realized by utilizing the reflectivity higher than the transmittance.

The light effects of different modes such as morning glory, evening chardonnay and the like can be realized by controlling the brightness change of the light-emitting units in different areas.

The side light emitting device 300 is detachably connected with the lamp 100, the side light emitting device 300 is arranged between the frame 620 and the surface light emitting device 200 and surrounds the first light emitting surface 201 of the surface light emitting device 200, the side light emitting device 300 extends along the light emitting direction of the first light emitting module 210, the side light emitting device 300 is provided with a second light emitting surface 301 attached to one side of the frame 620 close to the first light emitting surface 201, the side light emitting device 300 further comprises a second light emitting module 310, the second light emitting module 310 is positioned between the second light emitting surface 301 and the frame 620 in the horizontal direction, and light emitted by the second light emitting module 310 is emitted towards a direction deviating from the frame 620 after passing through the second light emitting surface 301. The side lighting device 300 is different from the conventional atmosphere lamp in lighting mode, and the side lighting device 300 only emits light to the inner side of the lamp 100, in this embodiment, the frame 620 is made of opaque material, so as to create a sunlight entering effect, illuminate the window edge of the window, and visually form a transparent window.

The side-emitting device 300 further includes a non-light-emitting surface 302, the non-light-emitting surface 302 is also disposed away from the frame 620, and a light/shadow transition region 304 is formed between the non-light-emitting surface 302 and the second light-emitting surface 301. As shown in fig. 13, when sunlight is simulated to enter from one side, one side frame 620 of the window is illuminated, and a dark surface is formed on the other side frame 620 of the window, so that the display effect is more realistic, the second light-emitting surface 301 is connected with the non-light-emitting surface 302 in a circumferential direction, an annular surface surrounding the periphery of the first light-emitting surface 201 is formed, the light/shadow transition zone 304 is located at the connection position between the second light-emitting surface 301 and the non-light-emitting surface 302, and the light/shadow transition zone 304 functions as a light-dark boundary area formed between the second light-emitting surface 301 and the non-light-emitting surface 302, which may be a continuously changing area from light to dark, or may be a distinct boundary.

The side light emitting device 300 includes a second substrate 311 surrounding the first light emitting surface 201 and a light emitting element 312 disposed on the second substrate 311, wherein the second substrate 311 includes a light emitting region disposed close to the second light emitting surface 301 and a non-light emitting region disposed far from the second light emitting surface 301, so as to form an illuminated second light emitting surface 301 and a non-light emitting surface 302 on the periphery of the first light emitting surface 201, and the light emitting element 312 is disposed on the light emitting region of the second substrate 311, and the non-light emitting region may not be disposed with the light emitting element 312.

In some embodiments, the side light emitting device 300 further includes a light shielding member 324 facing away from the second light emitting surface 301, and the second light emitting module 310 and the light shielding member 324 jointly surround the first light emitting surface 201 near the frame 620, so as to form an illuminated second light emitting surface 301 and a non-illuminated non-light emitting surface 302 on the periphery of the first light emitting surface 201.

The side light emitting device 300 can be integrally arranged to rotate relative to the surface light emitting device 200, and the micro motor arranged in the lamp 100 drives the side light emitting device 300 to rotate, so that the effect of solar east-west rising and falling can be better simulated.

The side light emitting device 300 is described below by three embodiments, but not limited thereto.

Example 1

As shown in fig. 2-3 and fig. 6, in the present embodiment, the light emitting direction of the second light emitting module 310 is the same as the light emitting direction of the first light emitting module 210, the side light emitting device 300 includes the second light emitting module 310 and the light guiding component 320, the light guiding component 320 includes the light guiding component 322 and the light emitting component 321, the light guiding component 322 is disposed below the second light emitting module 310, the second light emitting module 310 emits light toward the light guiding component 322 (i.e. the second light emitting module 310 emits light in a direct type), the light guiding component 322 is configured to refract the light emitted from the second light emitting module 310, the light emitting component 321 is located at a side of the light guiding component 322 away from the frame 620, and after the light is refracted by the light guiding component 322, the light emitted from the light guiding component 322 is emitted via the light emitting component 321 toward a side away from the frame 620. The light guide 322 can control the emergent angle of light, so that the light can be emitted at a small angle, the mapping distance is long, and the light has stronger permeability.

In other embodiments, the light emitted from the second light emitting module 310 can also be emitted vertically upwards into the light guiding component 320, which is not limited in the present utility model.

As shown in fig. 6, the second light emitting module 310 includes a second substrate 311 and a light emitting element 312 mounted on a partial area of the second substrate 311, when the light emitting element 312 on the second light emitting module 310 emits light outwards, an area of the light guiding assembly 320 corresponding to the light emitting element 312 on the second substrate 311 is in a bright state (i.e. the second light emitting surface 301 of the side light emitting device 300), and an area of the light guiding assembly 320 not corresponding to the light emitting element 312 on the second substrate 311 is in a dark state (i.e. the non-light emitting surface 302 of the side light emitting device 300) so as to simulate the effect of illuminating the edge of one side of the window when sunlight irradiates indoors through the window.

In other embodiments, the light emitting elements 312 may be installed in all the areas on the second substrate 311, and by controlling the working states of the light emitting elements 312 in different areas, the light source is changed by lighting different positions, so that the light area and the dark area on the light emitting element 321 can be converted, the effect that sunlight irradiates the edge of the skylight at different angles in different time periods in one day is simulated, and the sunset is realized. In this embodiment, the frame 620 is made of semi-transparent or light-transmitting material, and the light-emitting elements 312 in different areas are controlled to have different light-emitting colors, so that a rainbow effect can be formed through the frame 620, and the visual experience of the lamp 100 is improved.

Preferably, the light guide 322 and the light emitting member 321 are made of transparent optical materials such as PMMA and PC.

The light emitted after passing through the light guide member 322 passes through the light emitting member 321, the light emitting member 321 can eliminate the granular sensation of the light emitted by the second light emitting module 310, and meanwhile, the light emitted after passing through the light emitting member 321 is more uniform.

A reflecting member 323 is attached to a side of the light guide 322 away from the light emitting member 321 to reflect the light emitted to the region back, so that the light is emitted toward the light emitting member 321, and the light condensing property is improved.

The part of the light-emitting member 321 which is not covered by the light-guiding member 322 is covered with the light-shielding member 324, and the light can be prevented from leaking out of the part of the light-emitting member 321 through the light-shielding member 324 arranged at the part, so that the part of the light-emitting member 321 is in a dark state, and the effect of real sunlight irradiation on the edge of a window or a skylight is simulated.

In other embodiments, the light shielding member 324 may be rotated around the light guiding member 322, and when the light emitting member 312 is mounted on all areas of the second substrate 311, the light shielding member 324 is rotated to change the bright area and the dark area on the light emitting member 321.

The height of the shading member 324 can be adjusted according to practical situations, and the shading member is adjusted by an elastic member matched with the micro motor.

Example two

As shown in fig. 7-8, in the present embodiment, the light emitting direction of the second light emitting module 310' intersects with the light emitting direction of the first light emitting module 210, the side light emitting device 300 includes a light emitting member 321, the light emitting member 321 is disposed between the frame 620 and the first light emitting surface 201 and extends beyond the first light emitting surface 201 along the extending direction of the frame 620, the second light emitting module 310' is disposed at a side of the light emitting member 321 facing the frame 620, the second light emitting module 310' includes a second annular substrate 311' and a light emitting member 312 mounted inside the substrate, the second light emitting module 310' emits light toward the direction of the light emitting member 321, and the emitted light is directly emitted into the light emitting member 321 from a side surface of the light emitting member 321.

The side light emitting device 300 'further includes an annular lens 325, the annular lens 325 is located between the light emitting element 321 and the second light emitting module 310', the annular lens 325 is connected with the inner side of the second substrate 311 'and covers the light emitting element 312, the light emitted by the light emitting element 312 is incident on the light incident surface of the annular lens 325, is refracted on the light incident surface, enters the annular lens 325 under the condition of meeting the snell's law, is refracted on the light emergent surface, and is emitted from the annular lens 325 and then passes through the light emitting element 321 to realize uniform light emission.

In this embodiment, the second substrate 311 'may be a flexible circuit board FPC, and in other embodiments, the second substrate 311' may be made of other materials.

Preferably, the material of the light emitting element 321 is a transparent optical material such as PMMA, PC, etc.

In other embodiments, it may be configured that all the areas on the second substrate 311 'are provided with the light emitting elements 312, and the second substrate 311' is divided into a plurality of light emitting areas, each light emitting area includes a plurality of light emitting elements 312, each light emitting area can individually control illumination, and by controlling the working states of different light emitting areas, the conversion of the bright area and the dark area on the light emitting element 321 can be achieved, so that the effect that sunlight irradiates the edge of the skylight at different angles in different time periods in one day is simulated.

In other embodiments, when the light emitting element 312 is mounted on the entire area of the second substrate 311', the light shielding element 324 may be attached to a portion of the light emitting element 321 to prevent light from leaking out of the portion of the light emitting element 321, so that the portion of the light emitting element 321 is in a dark state, and the effect of real sunlight shining on the window edge or the skylight edge is simulated. The light shielding plate can rotate, and the change of the bright light area on the light member 321 is realized by rotating the light shielding member 324, so that the effect of rising sunset is simulated.

The overall structure of the side light emitting device 300 in this embodiment is simplified, and the second light emitting module 310' surrounds the outer side of the light emitting member 321, so that the assembly is more convenient and faster.

Example III

In this embodiment, the structure of the side light emitting device 300 is substantially the same as that of the first embodiment, the side light emitting device 300 emits light only to the side away from the frame 620, the light guiding component 320 includes a light emitting element 321 and a light guiding element 322, the second light emitting module 310 is fixedly connected with one end of the light emitting element 321, the light guiding element 322 is surrounded on the outer side of the light emitting element 321, the upper end surface of the light guiding element 322 covers the light emitting element 312 on the second light emitting module 310, and the difference is that, as shown in fig. 9, a V prism microstructure 3221 is disposed on the light guiding element 322 in a region of the light guiding element 322 away from the second light emitting module 310, the light emitting element 321 is an inverted V prism microstructure, after light is emitted from the light emitting element 312, the light is totally reflected by the V prism microstructure 3211 on the light guiding element 322, so that the light emitted from the region of the light guiding element 322 is provided with the V prism microstructure 3221 enters the light emitting element 321 of the inverted V prism microstructure, and the light emitting element 322 can be reflected by the inverted V prism microstructure 3221 to form a transparent virtual image 303 on a small reflective image.

The angles of the back surface and the light-facing surface of the V-prism microstructure 3221 at the bottom of the light guide 322 are all smaller than 6 degrees, and meanwhile, the angles change with the distance between the light emitting element 312 and the light incident side of the light guide 322, and the depth of the V-groove also changes. A light incident surface of less than 6 degrees, and a V prism microstructure 3221 on the light emitting side compresses light to within 30 degrees toward the center in a direction of 165 to 175 degrees from the light emitting surface after the light is incident from the light incident side. The emergent 165-175 degrees light can realize small-angle emergent by the inverted V prism on the light emergent piece 321, and the angle is smaller than 10 degrees. The uniformity of the light emitting surface of the light guide 322 can be adjusted by adjusting the angles of the light emitting surface and the backlight surface and the depth of the V-groove.

Preferably, the angles of the back surface and the light incident surface of the V-prism in the light guide 322 are both between 0.25 degrees and 0.75 degrees, and the apex angle of the inverted V-prism in the light outlet 321 is between 55 degrees and 70 degrees.

The light guide 322 is covered with a reflecting member 323 on a side far away from the light emitting member 321, so that light emitted to the region is reflected inside the light guide 322, and the light in the light guide 322 is emitted towards the direction of the light emitting member 321.

The luminaire 100 further includes a projection system 400, where the projection system 400 is disposed between the frame 620 and the side-emitting device 300 and at least partially exposed to the frame 620, and the projection system 400 is configured to project a simulated solar light spot on a wall or ground, including a circular light spot, an elliptical light spot, or a quadrilateral light plate, and the like, similar to the projection of sunlight through a window.

The projection system 400 includes a plurality of projection devices 410, in this embodiment, two projection devices 410 are provided, and each of the two projection devices 410 is movably connected with the frame 620 of the lamp 100 through a connecting member, and the projection devices 410 can rotate relative to the frame 620.

As shown in fig. 10-11, the projection device 410 includes a light emitting component 420, a lens barrel component 450 and a lens component 430, the light emitting component 420 is fixedly connected to the light emitting component 321, the light emitting component 420 includes an aluminum substrate 421 and a lamp bead 422 mounted on the aluminum substrate 421, a diaphragm 440 is sleeved outside the lamp bead 422, the diaphragm 440 is abutted to the aluminum substrate 421, the diaphragm 440 is configured to control the intensity and shape of a light beam emitted by the lamp bead 422, a first lens 431 is connected to one end of the diaphragm 440, which is far away from the lamp bead 422, the first lens 431 is configured to form a light spot, a first lens barrel 451 is sleeved outside the diaphragm 440 and the first lens 431, a second lens barrel 452 is screwed with one end, which is far away from the first lens 431, of the first lens barrel 451, a second lens 432 is embedded in one side, which is close to the first lens barrel 451, of the second lens barrel 452 is screwed with a third lens 453, one end, which is far away from the second lens barrel 452, of the third lens 433 is embedded, the second lens 432 and the third lens 433 are configured to image, and the focal length is adjusted 453 by the aid of the first lens 451, the second lens barrel 451 and the third lens barrel 453.

The first lens 431 and the second lens 432 are plastic lenses, the third lens 433 is a glass lens, the plastic lens has lighter weight, which is beneficial to the lightening of the whole structure, and the glass lens can ensure higher light transmittance.

In the present embodiment, the lamp beads 422 are LED lamp beads, and in other embodiments, other types of lamp beads are also possible, which is not limited in the present utility model.

As shown in fig. 12, the projection direction of the projection system 400 is identical to the direction of the second light emitting surface 301, and a light spot is projected on the wall surface on one side of the partial area, so as to simulate the projection of the real sunlight irradiation direction on the wall surface through the window.

The luminaire 100 further comprises a control system, by which the operation of the surface light emitting device 200, the side light emitting device 300 and the projection system 400 is controlled, to achieve lighting effects of various scenes.

The mounting system 500 includes a mounting bracket fixedly coupled to the bottom wall 610 and the light fixture 100 is fixedly coupled to the mounting surface via the mounting bracket. In the present embodiment, the mounting system 500 is a hanger structure, and in other embodiments, it may be a quick-connect structure, which is not limited in this disclosure.

In summary, the surface light-emitting device 200 in the lamp 100 of the present utility model can simulate the effects similar to blue sky, sunset, morning light and blue sky and white cloud, and the side light-emitting device 300 simulates the effect of shining sunlight on the window edge, so that the lighting effect of the lamp 100 is more realistic. The side light emitting device 300 may further form a virtual image on the transparent plate 240 provided therein, to generate a window shadow effect similar to that of sunlight shining on the edge of a window or skylight, thereby forming a sense of space, a profound sense and a layered sense, and the projection system 400 may provide spots similar to that of sunlight projected onto the ground or wall through the window or skylight, and the shape of the spots may vary according to the overall shape of the lamp 100, enabling multi-scene applications.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A light fixture, comprising:

A housing (600) including a bottom wall (610) and a rim (620) extending from the bottom wall (610) in a direction away from the bottom wall (610);

The surface light-emitting device (200) is arranged on the bottom wall (610) and surrounded by the frame (620), and is provided with a first light-emitting surface (201), wherein the first light-emitting surface (201) simulates rays of sunlight;

A projection system (400) comprising at least one projection device (410), the projection device (410) being mounted in the bezel (620), the projection device (410) being configured to project a light spot, the shape of the light spot being consistent with the shape of the first light exit surface (201).

2. A luminaire as claimed in claim 1, characterized in that the spectrum of the surface emitting device (200) approximates the spectrum of sunlight such that the first light exit surface (201) simulates the light of sunlight, or the spectrum of the surface emitting device (200) is a white light spectrum, the surface emitting device (200) further comprising a diffusing structure (220), the diffusing structure (220) comprising nanoparticles therein to form rayleigh scattering such that the first light exit surface (201) simulates the light of a blue sky.

3. The lamp as claimed in claim 2, wherein the projection device (410) comprises a light emitting component (420), a lens barrel component (450) fixedly connected with the light emitting component (420) and a lens component (430) arranged inside the lens barrel component (450), the lens component (430) is arranged on an outgoing line of the light emitting component (420) and is configured to adjust an outgoing angle of the light emitting component (420), the frame (620) is provided with an opening, and one side of the lens barrel component (450) far away from the light emitting component (420) is exposed out of the frame (620) through the opening.

4. A luminaire as claimed in claim 3, characterized in that the lens barrel assembly (450) comprises at least two detachably connected lens barrels, one lens being provided in each barrel.

5. The luminaire as claimed in claim 4, wherein the lens barrel assembly (450) comprises a first lens barrel (451), a second lens barrel (452) and a third lens barrel (453) detachably connected in sequence, the first lens barrel (451) being connected with the light emitting assembly (420), the third lens barrel (453) being at least partially exposed to the rim (620), the lens assembly (430) comprising a first lens (431) arranged in the first lens barrel (451), a second lens (432) arranged in the second lens barrel (452) and a third lens (433) arranged in the third lens barrel (453).

6. The luminaire of claim 5, wherein the projection device (410) further comprises a diaphragm (440), the diaphragm (440) being disposed between the light emitting assembly (420) and the first lens (431) configured to control the intensity and shape of the light beam projected by the lamp beads (422).

7. The luminaire of claim 1, wherein the projection system (400) comprises a plurality of projection devices (410), the direction of the outgoing beam of each projection device (410) of the plurality of projection devices (410) being different.

8. The lamp as claimed in claim 1, wherein the projection device (410) is movably connected with the frame (620) through a connecting piece, and the projection device (410) can rotate relative to the frame (620) so that the wall surfaces or the ground surfaces of the projection device (410) in different directions form the sun-like light spots with preset shapes.

9. The luminaire of claim 8 wherein the pre-set shaped simulated solar light spot comprises at least one of a circular light spot, an elliptical light spot, or a quadrilateral light panel.

10. The lamp as claimed in claim 1, wherein the surface light emitting device (200) comprises a first light emitting module (210), light emitted by the first light emitting module (210) is emitted through the first light emitting surface (201) to form sunlight-imitating light, and the sunlight-imitating spots formed by irradiation of the light emitting component (420) in the projection device (410) are distributed outside the sunlight-imitating light of the first light emitting module (210).