CN112833350A

CN112833350A - Sky lamp

Info

Publication number: CN112833350A
Application number: CN202110249065.XA
Authority: CN
Inventors: 蓝伟雄; 雷鹏; 黄华生
Original assignee: Fujian Mengniu Zhilian Lighting Co ltd
Current assignee: Fujian Mengniu Zhilian Lighting Co ltd
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-05-25

Abstract

The invention relates to the technical field of lighting devices, in particular to a sky lamp. The invention discloses a sky lamp, which comprises a frame body, a light guide plate, a first diffusion plate, a reflecting layer, a first light source structure and a second light source structure, wherein the first diffusion plate is arranged in the frame body, the light guide plate is stacked on the upper surface of the first diffusion plate, the reflecting layer is arranged on the upper surface of the light guide plate, the first light source is arranged on the frame body and corresponds to the light incident side surface of the light guide plate, the first light source structure is a light source structure at least provided with blue light, and the second light source structure is arranged on the inner side surface of the frame body below the first diffusion plate and is used for emitting illumination light with directivity downwards or obliquely downwards. The invention can realize the illumination of the color and the sunlight of the real simulation sky, and the whole height of the whole lamp is thin, the space utilization rate is high, the structure is simple, the realization is easy, and the cost is lower.

Description

Sky lamp

Technical Field

The invention belongs to the technical field of lighting devices, and particularly relates to a sky lamp.

Background

The illumination device provides illumination services for daily life, work and the like of people, and is widely applied to various occasions such as houses, office buildings, markets, stadiums, stations, airports and the like. With the development of society and the improvement of living standard of people, the requirement of people on illumination is higher and higher, and the existing common illumination device can meet the requirement of brightness illumination of users, but in some closed and insufficient lighting places, the illumination presents a monotonous and rigid effect, and the people are easy to feel oppressed after staying in the space for a long time.

In order to solve the above problems, various attempts have been made by lighting manufacturers at home and abroad, and some manufacturers have developed sky lights which can realize illumination simulating colors of sky and sunlight, reduce monotonicity of illumination, and gradually get favor of the market, and are widely applied to indoor illumination of homes, office buildings, markets, stadiums, stations, airports and the like. However, the existing sky lamp has a complex structure, is difficult to realize, has high cost, thicker overall height, large occupied space and low space utilization rate, and needs to be further improved.

Disclosure of Invention

The invention aims to solve the problems and provide a sky lamp which can realize illumination of simulated sky color and sunlight, has a thin whole height, high space utilization rate, simple structure, easy realization and low cost.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a sky lamp, including framework, the light guide plate, first diffuser plate, the reflector layer, first light source structure and second light source structure, first diffuser plate sets up in the framework, the upper surface at first diffuser plate is established to the light guide plate stack, the reflector layer sets up the upper surface at the light guide plate, first light source sets up in the framework and just corresponds to the income light side of light guide plate, first light source structure is the light source structure who has the blue light at least, second light source structure sets up at the framework medial surface that is located first diffuser plate below for downward or slope jets out the illumination light that has the directive property downwards.

Furthermore, the solar panel further comprises a thermal radiation source, the thermal radiation source is arranged on the frame body, and the radiation direction of the thermal radiation source corresponds to the irradiation direction of the second light source structure.

Further, the heat radiation source is implemented by using a quartz infrared lamp or a PTC ceramic heating element.

Furthermore, the frame body, the light guide plate and the first diffusion plate are all of a square structure.

Furthermore, the first light source structure is arranged outside the 4 light incident side surfaces of the light guide plate in a surrounding manner.

Furthermore, the second light source structure is arranged on an inner side surface of the frame body.

Furthermore, the second light source structure comprises an LED light source, a lens and a fly-eye lens, and light emitted by the LED light source sequentially passes through the lens and the fly-eye lens to form shaped light to be emitted.

Furthermore, the other 3 inner side surfaces of the frame body are respectively composed of a second diffusion plate, and the frame body further comprises an auxiliary light source which is arranged on the frame body and corresponds to the second diffusion plate.

Further, still include the upper cover, upper cover and framework fixed connection, the upper cover gland bush is established on the reflector layer.

Further, the reflective layer is reflective paper.

The invention has the beneficial technical effects that:

the invention can realize the illumination of the color and the sunlight of the real simulation sky, and the whole height of the whole lamp is thin, the space utilization rate is high, the structure is simple, the realization is easy, and the cost is lower.

The invention is also provided with a thermal radiation source, thereby simulating the illumination of sunlight and the temperature of the sunlight more truly and improving the user experience.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first block diagram of a first embodiment of the present invention;

FIG. 2 is a block diagram of a second embodiment of the present invention;

FIG. 3 is a third block diagram according to a first embodiment of the present invention;

FIG. 4 is a partial block diagram of a first embodiment of the present invention;

FIG. 5 is a cross-sectional view of a first embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

fig. 7 is a schematic diagram of an application scenario according to a first embodiment of the present invention;

FIG. 8 is a diagram illustrating a second application scenario according to the first embodiment of the present invention;

fig. 9 is a schematic structural diagram of a second light source structure according to a second embodiment of the invention;

fig. 10 is a schematic structural diagram of a second light source structure according to a third embodiment of the invention;

fig. 11 is a schematic structural diagram of a second light source structure according to a fourth embodiment of the invention.

Detailed Description

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1-6, a sky lamp 1 includes a frame 11, a light guide plate 12, a first diffusion plate 13, a light reflection layer 14, a first light source structure 15 and a second light source structure, wherein the first diffusion plate 13 is disposed in the frame 11, that is, the frame 11 is disposed at the periphery of the first diffusion plate 13, the light guide plate 12 is stacked on the upper surface of the first diffusion plate 13 (with the direction of fig. 5 as a reference), the light reflection layer 14 is disposed on the upper surface of the light guide plate 12, the first light source structure 15 is a light source structure having at least blue light, the first light source 15 is disposed on the frame 11 and corresponds to the light incident side of the light guide plate 12, that is, the first light source structure 15 is disposed at the side of the light guide plate 12, light emitted from the first light source structure 15 enters the light guide plate 12 from the light incident side of the light guide plate 12, passes through the light guide plate 12 to the first diffusion plate 13, is, thereby realistically simulating the color of the sky.

The second light source structure is disposed on the inner side surface of the frame 11 below the first diffusion plate 13 and is used for emitting the illumination light with directivity obliquely downward, so as to simulate the illumination of sunlight more truly.

In this embodiment, the frame 11, the light guide plate 12, and the first diffusion plate 13 are preferably square structures, and the structure is more compact and simpler, but not limited thereto, and in other embodiments, the frame 11, the light guide plate 12, and the first diffusion plate 13 may also be circular, elliptical, pentagonal, or trapezoidal structures, and may be specifically selected according to actual needs.

In this embodiment, the first light source structures 15 are LED light source plates, the number of the first light source structures is 4, and the first light source structures are disposed outside the 4 light incident side surfaces of the light guide plate 12, so that the light guided out by the light guide plate 12 is more uniform, but not limited thereto, in some embodiments, the first light source structures 15 may also be implemented by using other existing light source structures, and the first light source structures 15 may also be disposed only on one light incident side surface, two light incident side surfaces, or three light incident side surfaces of the light guide plate 12.

In this embodiment, the first light source structure 15 is fixed on the frame 11 by screws, which is easy to disassemble and assemble and has good stability, but not limited thereto, in some embodiments, the first light source structure 15 may also be fixed on the frame 11 by other fixing structures, such as clamping, bonding, etc.

The first light source structure 15 can be any combination of W, GBW, RGBW or R, G, B, W, but has at least B, where W is white light, G is green light, B is blue light, and R is red light. The combination and brightness of the LEDs with different colors on the first light source structure 15 are controlled by the electrical signals to control the color shade and brightness of the sky presented by the first diffusion plate 13, such as light blue and dark blue or red, so as to make the simulation more realistic.

In this embodiment, the second light source structure is disposed on an inner side surface of the frame 11, the second light source structure includes an LED light source 16, a lens 17 and a fly-eye lens 18, the lens 17 is a small-angle lens, light emitted from the LED light source 16 passes through the lens 17 to form small-angle light, and then the light (for example, rectangular light) formed by the fly-eye lens 18 exits, so as to truly simulate illumination of sunlight. Of course, in other embodiments, the second light source structure may be implemented by using other light sources with certain shaped directivity.

In this embodiment, the reflective layer 14 is preferably made of reflective paper, and is used to reflect the light emitted from the upper surface of the light guide plate 12 back to the light guide plate 12 and transmit the light to the first diffuser 13, which is simple in structure, easy to implement, and low in cost, but not limited thereto, and in some embodiments, other existing reflective structures, such as a reflective film plated on the upper surface of the light guide plate 12, may also be used.

In this embodiment, the light guide plate further includes an upper cover 19, the upper cover 19 is fixedly connected to the frame 11, and the upper cover 19 is disposed on the reflective layer 14 by pressing the upper cover, so as to press the light guide plate 12, the first diffusion plate 13, and the reflective layer 14, and protect the reflective layer 14.

In this embodiment, the upper cover 19 and the frame 11 are fixedly connected by screw locking, which is easy to disassemble and assemble and has good stability, but not limited thereto, in some embodiments, the upper cover 19 and the frame 11 may also be fixedly connected by other conventional fixing methods, such as clamping, welding, etc.

In this embodiment, the upper cover 19 is further provided with mounting holes 191 for facilitating the fixed mounting of the sky light 1, and in this embodiment, the number of the mounting holes 191 is 4, and the mounting holes are distributed around the upper surface of the upper cover 19, so that the sky light is more stable after being mounted, but the sky light is not limited thereto.

Further, in this embodiment, the heat radiation source 20 is further included, the heat radiation source 20 is disposed on the frame 11, the radiation direction of the heat radiation source 20 corresponds to the irradiation direction of the second light source structure, and is preferably consistent with the irradiation direction of the second light source structure, so as to simulate the temperature of sunlight, further improve the reality of simulated sunlight illumination, and improve user experience.

In this embodiment, the heat radiation source 20 is implemented by using a PTC ceramic heating element, and is disposed on the bottom surface 111 of the frame 11 and below the second light source structure, which is simple in structure, easy to implement, and low in cost, but not limited thereto, in some embodiments, the heat radiation source 20 may also be implemented by using other heat radiation sources, such as a quartz infrared lamp, and if a quartz infrared lamp is used, it may be integrated into the second light source structure, so that the structure is more compact.

Preferably, 3 other medial surfaces of framework 11 constitute by second diffuser plate 21, still include auxiliary light source 22, and auxiliary light source 22 sets up in the frame arm of framework 11, and is corresponding to second diffuser plate 21, and the light that auxiliary light source 22 sent scatters outward after second diffuser plate 21 diffuses for second diffuser plate 21 shines, and the windowsill of simulation window is lighted by sunshine, makes simulation sunshine shine from the window and comes more really, improves user experience height.

The auxiliary light source 22 is implemented by an LED light source plate, and the auxiliary light source 22 is fixed in the frame arm of the frame 11 by screw locking, so that the assembly is simple and stable, but not limited thereto, in some embodiments, the auxiliary light source 22 may also be implemented by other existing light source structures, and the fixing manner may be other fixing manners such as bonding, clamping, and the like.

The sky light 1 of the invention can be installed on the ceiling, the second light source structure forms the illumination area on the wall, the brightness of the illumination area is controlled by controlling the brightness of the second light source structure, so as to achieve the illumination effect and the three-dimensional effect, as shown in fig. 7, of course, the illumination area can also be formed on other things, such as hanging cloth, curtains and the like.

The sky light 1 of the present invention may also be installed on a wall to simulate a window, and the second light source structure forms an illumination area on the floor, as shown in fig. 8.

Example two

The difference between the first embodiment and the second embodiment is that the second light source structure is different, as shown in fig. 9, the second light source structure of the present embodiment includes an LED light source 16 and a light intercepting structure 23, the LED light source 16 is an LED light source with an angle smaller than 30 degrees, the light intercepting structure 23 is implemented by using a light shielding sheet, and a light resistor with a fixed light pattern is intercepted into light patterns with other shapes, such as a rectangular area and a trapezoidal area, by using the light shielding sheet.

EXAMPLE III

The difference between the present embodiment and the second embodiment is that the second light source structure of the present embodiment further includes a reflective cup 24, and the LED light source 16 is disposed in the reflective cup 24, and the specific structure is shown in fig. 10.

Example four

The difference between the present embodiment and the second embodiment is that the second light source structure of the present embodiment further includes a reflective cup 24, the LED light source 16 is disposed outside the reflective cup 24, and light emitted from the LED light source 16 is reflected by the reflective cup 24 and then emitted through the light shielding sheet in a specific shape, and the specific structure is shown in fig. 11.

The invention can realize the real simulation of sky color, sunlight illumination and sun temperature, and the whole lamp has the advantages of thin height, high space utilization rate, simple structure, easy realization and lower cost.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A skylight, characterized by: the backlight module comprises a frame body, the light guide plate, first diffuser plate, the reflector layer, first light source structure and second light source structure, first diffuser plate sets up in the frame, the upper surface at first diffuser plate is established to the light guide plate stack, the reflector layer sets up the upper surface at the light guide plate, first light source sets up in the frame and just corresponds to the income light side of light guide plate, first light source structure is the light source structure that has the blue light at least, second light source structure sets up at the frame medial surface that is located first diffuser plate below for downwards or the slope jets out the illumination light that has the directive property downwards.

2. A skylight as set forth in claim 1, characterized in that: the heat radiation source is arranged on the frame body, and the radiation direction of the heat radiation source corresponds to the irradiation direction of the second light source structure.

3. A skylight as set forth in claim 2, characterized in that: the heat radiation source is realized by a quartz infrared lamp or a PTC ceramic heating element.

4. A skylight as set forth in claim 1, characterized in that: the frame body, the light guide plate and the first diffusion plate are all of square structures.

5. A sky light as set forth in claim 4, wherein: the first light source structure is arranged outside the 4 light incident side surfaces of the light guide plate in a surrounding mode.

6. A sky light as set forth in claim 4, wherein: the second light source structure is arranged on an inner side surface of the frame body.

7. A sky light as claimed in claim 6, wherein: the second light source structure comprises an LED light source, a lens and a fly-eye lens, and light emitted by the LED light source sequentially passes through the lens and the fly-eye lens to form shaped light emergent.

8. A sky light as claimed in claim 6, wherein: the other 3 inner side faces of the frame body are formed by second diffusion plates, and the frame body further comprises an auxiliary light source, wherein the auxiliary light source is arranged on the frame body and corresponds to the second diffusion plates.

9. A skylight as set forth in claim 1, characterized in that: the upper cover is fixedly connected with the frame body, and the upper cover is tightly pressed on the reflecting layer.

10. A skylight as set forth in claim 1, characterized in that: the reflective layer is reflective paper.