CN216383797U

CN216383797U - Lighting device and lamp

Info

Publication number: CN216383797U
Application number: CN202122617779.XU
Authority: CN
Inventors: 林泽华; 江新华; 李建
Original assignee: Shenzhen H&T Intelligent Control Co Ltd
Current assignee: Shenzhen H&T Intelligent Control Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-26
Anticipated expiration: 2031-10-28

Abstract

The embodiment of the utility model discloses a lighting device and a lamp, wherein the lighting device comprises a shell, an LED module, a reflecting assembly and a shaping plate, wherein the shell is provided with an accommodating cavity and a light outlet communicated with the accommodating cavity; the LED module is arranged in the accommodating cavity and used for emitting light beams, and the emergent direction of the light beams avoids the light outlet; the reflecting component is arranged in the accommodating cavity and used for reflecting the light beams from the LED module to the light outlet; the shaping plate shields at least part of the light outlet, and is used for ejecting out the light beam shaping from the reflection assembly after the shaping plate shapes the light beam to preset light ray tracks so as to form a preset irradiation shape for illumination.

Description

Lighting device and lamp

Technical Field

The utility model relates to the technical field of illumination, in particular to an illumination device and a lamp.

Background

In order to allow more natural light to enter human living spaces, people add windows and skylights to the sides and the top of their buildings, and since the first window appears, it is realistic to see the blue sky, white clouds and sunlight indoors.

However, along with the building floors of modern society are built higher and higher, the depth of a building space is larger and larger, and it is difficult to satisfy the requirement of abundant natural lighting at any position in the building space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lighting device and a lamp, and aims to solve the technical problems of uneven light emitting and poor lighting effect of the conventional LED lamp.

In a first aspect, the present invention provides a lighting device comprising:

the light source comprises a shell, wherein the shell is provided with an accommodating cavity and a light outlet communicated with the accommodating cavity;

the LED module is arranged in the accommodating cavity and used for emitting light beams, and the emitting directions of the light beams avoid the light outlet;

the reflecting assembly is arranged in the accommodating cavity and is used for reflecting the light beams from the LED module to the light outlet; and

the shaping plate is used for shaping the light beam from the reflection assembly and then emitting the light beam out in a preset light ray track.

In one embodiment, the shaping plate comprises a light incident surface and a light emitting surface which are oppositely arranged, and at least one of the light incident surface and the light emitting surface is uniformly distributed with micro-convex structures; or

The shaping plate is provided with a grain structure.

In one embodiment, the micro-protrusion structure is a square protrusion structure or a circular protrusion structure.

In one embodiment, the light beam emitting direction of the LED module is parallel to the light emitting surface of the shaping plate.

In one embodiment, the lighting device further includes a light-condensing structure disposed between the LED module and the reflection assembly, and the light-condensing structure is configured to condense and collimate the light beam from the LED module, and then emit the light beam to the reflection surface of the reflection assembly.

In one embodiment, the light-focusing structure comprises at least one of a focusing lens, a reflective cup, a convex lens, and a fresnel optical structure.

In one embodiment, an inner edge structure is further arranged at the edge of the shell, and the LED module and the light-gathering structure are arranged close to the inner edge structure, so that the inner edge structure can shield the LED module and the light-gathering structure.

In one embodiment, the LED module comprises a circuit board and a plurality of LED lamp beads arranged on the circuit board; and/or

The lighting device further comprises a graphic plate, the graphic plate is arranged in the center of the light outlet, and the shaping plate is arranged around the graphic plate.

In one embodiment, the shaping plate is arranged in a ring shape at the light outlet; and/or

The reflecting surface of the reflecting component is a plane or a curved surface.

In a second aspect, the utility model further provides a lamp, which includes the lighting device of any one of the above embodiments.

The embodiment of the utility model has the following beneficial effects:

by adopting the lighting device and the lamp, the LED module emits light beams, the reflecting assembly reflects the light beams from the LED module to the light outlet, the shaping plate shapes the light beams from the reflecting assembly and then emits the light beams with the preset light ray track to form the preset irradiation shape for lighting, and the light beam emitted by the LED module is avoided from the light outlet in the emitting direction, so that the light leakage of the light beams emitted by the LED module at the light outlet can be avoided, the light ray uniformity of the light emitted from the partial light outlet surface of the shaping plate can be ensured, and the lighting effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

FIG. 1 is a schematic diagram of a lamp according to one embodiment.

Fig. 2 is a front view of the lamp of fig. 1.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of the portion B in fig. 3.

Fig. 5 is an exploded view of the lamp of fig. 1.

Fig. 6 is an enlarged view of the portion C in fig. 5.

FIG. 7 is a schematic view of an alignment plate in an embodiment of a light fixture.

Reference numerals: 100. a housing; 110. an accommodating cavity; 120. a light outlet; 130. an inner edge structure; 210. mounting a plate; 220. a connecting plate; 300. a reflective component;

400. shaping plates; 410. a light incident surface; 420. a light-emitting surface; 430. a microprotrusion structure;

500. a light-gathering structure; 600. and (4) a graphic board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The embodiment of the utility model provides a lamp which is mainly used for providing illumination for an indoor space, and the lamp can be installed at the top of the indoor space to be used as a ceiling lamp and can also be installed on the side wall of the indoor space to be used as a side lamp.

Referring to fig. 1 to 6, a lamp according to an embodiment includes a lighting device, the lighting device includes a housing 100, an LED module (not shown), a reflective assembly 300, and a shaping plate 400, the housing 100 is provided with a receiving cavity 110 and a light outlet 120 communicated with the receiving cavity 110, the receiving cavity 110 is used for receiving a related lighting component of the lighting device, and the light outlet 120 is used for light to pass through to realize lighting of the lighting device.

In this embodiment, the LED module is disposed in the accommodating cavity 110 and configured to emit a light beam, and the light beam exits from the light exit 120 in the emitting direction, so as to prevent the light beam emitted by the LED module from leaking out of the light exit 120. The reflection assembly 300 is disposed in the accommodating cavity 110 and configured to reflect the light beam from the LED module to the light outlet 120, and the reflection assembly 300 can change the propagation direction of the light beam, so as to propagate the light beam emitted by the LED module according to a predetermined propagation path.

Further, the shaping plate 400 blocks at least a portion of the light exit 120, so that the light beam reflected to the light exit 120 can enter the light entrance surface 410 of the shaping plate 400, and the shaping plate 400 is used for shaping the light beam from the reflection assembly 300 and then emitting the shaped light beam with a predetermined light trajectory to form a predetermined illumination shape for illumination.

It can be understood that, because the light beam can be adjusted after the plastic of shaping plate 400, jets out the light beam with predetermineeing the light orbit, and then can simulate the sunlight and see through the illumination shape of window to the effect of shining of simulation sunlight, the user is more comfortable under this lighting environment, and user experience is better.

For example, when the light ray trajectory after the shaping of the shaping plate 400 is irradiated to form a rectangle, the lamp can simulate the illumination effect of a sunlight-transparent square window, and when the light ray trajectory after the shaping of the shaping plate 400 is irradiated to form a circle, the lamp can simulate the illumination effect of a sunlight-transparent circular window; when the lamp is arranged on the indoor top, the sunlight lighting effect of a skylight can be simulated, and when the lamp is arranged on the indoor side wall, the sunlight lighting effect of a side window can be simulated.

Meanwhile, on the one hand, because the exit direction of the light beam emitted by the LED module avoids the light outlet 120, the light leakage of the light beam emitted by the LED module at the light outlet 120 can be avoided, and further the light uniformity of the light emitted from the partial light outlet surface 420 of the shaping plate 400 can be ensured, and on the other hand, stray light at the edge of the shaping plate 400 can be eliminated by shaping the shaping plate 400, so that the light spot of the shaping plate 400 is cut off more, and the lighting effect of the lamp is improved.

In this embodiment, shaping the light beam by the shaping plate 400 can be achieved by various embodiments.

In one embodiment, referring to fig. 7, the shaping plate 400 includes a light incident surface 410 and a light emitting surface 420 disposed opposite to each other, and at least one of the light incident surface 410 and the light emitting surface 420 has micro-protrusion structures 430 uniformly distributed thereon, i.e., the micro-protrusion structures 430 may be uniformly distributed on one side of the shaping plate 400 or on both sides of the shaping plate 400.

In the present embodiment, the micro-protrusion structure 430 shapes the light beam from the reflection assembly 300 and emits the shaped light beam with a predetermined light trajectory to form a predetermined illumination shape. Further, the micro-protrusion structure 430 may be a square protrusion structure or a circular protrusion structure.

When the micro-protrusion structure 430 is a square protrusion structure, the light beam can be shaped in a calculus mode to achieve a square illumination effect, when the micro-protrusion structure 430 is a round protrusion structure, the light beam can be shaped in a calculus mode to achieve a round illumination effect, and when the micro-protrusion structure 430 is in other protrusion shapes, other preset illumination shapes can be achieved.

In another embodiment, the shaping plate 400 is provided with a texture structure, and the texture structure can shape the light beam from the reflection assembly 300 and then emit the light beam with a predetermined light trajectory to form a predetermined irradiation shape. Furthermore, the line structure can be a sun line or fine line microstructure, and the light ray track can be changed by sun line or fine line microstructure, so that the preset irradiation shape is completed.

In an embodiment, referring to fig. 3 to fig. 6, the lighting device further includes a light-gathering structure 500, the light-gathering structure 500 is disposed between the LED module and the reflection assembly 300, and the light-gathering structure 500 is used for gathering and collimating the light beams from the LED module and then emitting the light beams to the reflection surface of the reflection assembly 300, so as to improve the uniformity of the partial light emitted from the shaping plate 400.

Further, the light-gathering structure 500 includes at least one of a focusing lens, a reflective cup, a convex lens and a fresnel optical structure, that is, when the light-gathering structure 500 is provided with one component, the light-gathering structure 500 is one of the focusing lens, the reflective cup, the convex lens and the fresnel optical structure, when the light-gathering structure 500 is provided with a plurality of components, the plurality of components may all be one of the focusing lens, the reflective cup, the convex lens and the fresnel optical structure, and the plurality of components may also all be a combination of two or more of the focusing lens, the reflective cup, the convex lens and the fresnel optical structure.

Specifically, the LED module is disposed between the light-gathering structure 500 and the inner wall of the accommodating cavity 110.

In an embodiment, referring to fig. 3 to fig. 6, the light beam emitting direction of the LED module is parallel to the light emitting surface 420 of the shaping plate 400, so as to prevent the light beam emitted by the LED module from leaking at the light outlet 120.

Further, the reflection assembly 300 can deflect the light beam from the LED module by 90 degrees to change the propagation direction of the light beam, and transmit the light beam to the shaping plate 400.

Compared with the scheme that light beams emitted by an LED light source in the existing lamp are directly emitted to a light-emitting panel and are emitted through the light-emitting panel, the lamp of the embodiment changes the light beam propagation direction through the reflection assembly 300, so that the light beams are propagated according to the preset propagation path, the limitation of the installation position of the LED module can be released, the spatial arrangement of the lamp is facilitated, and the miniaturization, the lightness and the thinness of the lamp are further facilitated.

Further, in an embodiment, please continue to refer to fig. 3 and fig. 4, the edge of the housing 100 is further provided with an inner edge structure 130, and the LED module and the light focusing structure 500 are disposed near the inner edge structure 130, so that the inner edge structure 130 can shield the LED module and the light focusing structure 500, that is, the LED module and the light focusing structure 500 are disposed at a side position of the lamp.

Since the LED light source does not need to be disposed opposite to the light emitting surface 420 of the shaping plate 400, the LED module and the light condensing structure 500 can be shielded by the inner edge structure 130, so as to further prevent light leakage of light beams emitted by the LED module at the light emitting port 120.

Of course, in other embodiments, the LED module and the light focusing structure 500 may be disposed at an inner position of the luminaire, but a shielding member is required to shield the LED module and the light focusing structure 500, so as to prevent light from leaking from the light outlet 120.

In an embodiment, the LED module includes the circuit board and sets up a plurality of LED lamp pearls on the circuit board, and LED lamp pearl can send the light beam, and a plurality of LED lamp pearls are evenly arranged on the circuit board.

Furthermore, the substrate of the circuit board can be an aluminum substrate, and heat is directly radiated through the aluminum substrate, so that the quantity of heat transfer media can be reduced, the thermal resistance is reduced, and the heat radiation efficiency is improved; the arrangement of extra radiating workpieces is reduced, the number of workpieces is reduced, so that the lamp is simple to assemble, and the cost is reduced.

Further, the plurality of LED lamp beads can be white light LED lamp beads or RGBLED lamp beads, when the plurality of LED lamp beads are white light LED lamp beads, the white light LED lamp beads can be 380nm-780nm continuous spectrum and 1600K-10000K color temperature LED lamp beads, the lamp can realize the irradiation effect of simulating sunlight by white light illumination, and when the plurality of LED lamp beads are RGBLED lamp beads, the illumination effect of the plurality of LED lamp beads can be controlled to provide illumination effects with different colors.

Preferably, the light condensing structure 500 may be provided in a plurality, and the light condensing structure is arranged in one-to-one correspondence with the LED lamp beads, so that each LED lamp bead corresponds to one light condensing structure 500.

In one embodiment, with continued reference to fig. 1 and 2, the shaping plate 400 is disposed in a ring shape at the light outlet 120. Further, four shaping plates 400 may be provided and connected at the head to form a zigzag structure, so as to emit light in a zigzag shape. Of course, in other embodiments, the shaping plate 400 may also be circular, triangular, or prismatic in shape.

In an embodiment, with continuing reference to fig. 1 and fig. 2, the lighting device further includes a graphic board 600, the graphic board 600 is disposed at a central position of the light outlet 120, the shaping board 400 is disposed around the graphic board 600, and the graphic board 600 is disposed with a pattern. Further, the graphic plate 600 may be provided with a plurality of pieces, for example, two or three pieces. Of course, in other embodiments, the graphic plate 600 may also be provided with a plurality of pieces and arranged around the shaping plate 400, and the specific number and position of the graphic plates 600 may be adjusted according to the design requirements of the lamp.

In an embodiment, referring to fig. 1 to fig. 3, the housing 100 is a square box, the housing 100 is further provided with an assembling port, the assembling port is communicated with the accommodating cavity 110 and is opposite to the light outlet 120, and the related components such as the LED module, the reflective assembly 300, and the shaping plate 400 are installed in the accommodating cavity 110 through the assembling port.

Further, the lamp further includes a mounting plate 210 and a connecting plate 220, the mounting plate 210 is used for closing the mounting opening, and the connecting plate 220 is used for fixing the shaping plate 400 at a predetermined position of the light outlet 120.

In one embodiment, the reflecting surface of the reflecting component 300 is a plane or a curved surface to realize the change of the propagation direction of the light beam. Further, when the reflecting surface of the reflecting component 300 is a plane, the reflecting component 300 may be a plane mirror or a reflecting prism.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.

Claims

1. An illumination device, comprising:

2. The illumination device as claimed in claim 1, wherein the shaping plate comprises a light incident surface and a light emitting surface which are oppositely arranged, and at least one of the light incident surface and the light emitting surface is uniformly distributed with micro-convex structures; or

The shaping plate is provided with a grain structure.

3. The illumination device according to claim 2, wherein the micro-protrusion structure is a square protrusion structure or a circular protrusion structure.

4. The illumination device as recited in claim 1, wherein the light beam of the LED module exits in a direction parallel to the light exit surface of the shaping plate.

5. A lighting device as recited in claim 1, further comprising a light condensing structure disposed between said LED module and said reflective component, said light condensing structure being configured to condense and collimate said light beam from said LED module and then emit said light beam to a reflective surface of said reflective component.

6. The illumination device of claim 5, wherein the light-concentrating structure comprises at least one of a focusing lens, a light-reflecting cup, a convex lens, and a Fresnel optical structure.

7. The lighting device as claimed in claim 5, wherein the edge of the housing is further provided with an inner edge structure, and the LED module and the light-focusing structure are disposed close to the inner edge structure, so that the inner edge structure can shield the LED module and the light-focusing structure.

8. The lighting device according to claim 1, wherein the LED module comprises a circuit board and a plurality of LED beads disposed on the circuit board; and/or

9. A lighting device as recited in claim 1, wherein said shaping plate is annularly disposed at said light exit; and/or

10. A luminaire characterized in that it comprises a lighting device according to any one of claims 1-9.