CN216744046U - Lighting device and lamp - Google Patents

Abstract

The embodiment of the utility model discloses a lighting device and a lamp, the lighting device comprises a shell, an LED module, a shaping piece and a reflection component, a cavity and a light outlet communicated with the cavity are arranged on the shell, the LED module is arranged in the cavity and used for emitting light beams, the light outlet is avoided in the emergent direction of the light beams, the shaping piece is arranged between the LED module and the reflection component, the shaping piece is used for shaping the light beams from the LED module and then shooting the light beams to the reflection component, the reflection component is arranged in the cavity and used for reflecting the light beams from the shaping piece to the light outlet, the light beams are shot out through the light outlet in a preset light track to form a preset shot shape for lighting, because the emergent direction of the light beams emitted by the LED module avoids the light outlet, the light beams emitted by the LED module can be prevented from the light outlet, and further the light uniformity of partial light outlet can be ensured, the lighting effect is better.

Description

Lighting device and lamp

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a lighting device and lamps and lanterns.

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

An object of the utility model is to provide a lighting device and lamps and lanterns aims at solving the light-emitting inhomogeneous of current LED lamps and lanterns, the relatively poor technical problem of illuminating effect.

In a first aspect, the present invention provides a lighting device, including: the LED module is arranged in the cavity and used for emitting light beams, the emergent direction of the light beams avoids the light outlet, the shaping piece is arranged between the LED module and the reflecting component and used for shaping the light beams from the LED module and then irradiating the light beams to the reflecting component, the reflecting component is arranged in the cavity and used for reflecting the light beams from the shaping piece to the light outlet, and the light beams are emitted out through the light outlet according to a preset light ray track.

In one embodiment, the shaping piece comprises a light incident surface and a light emitting surface which are arranged oppositely, and at least one of the light incident surface and the light emitting surface is provided with a shaping structure;

or the shaping piece comprises a light gathering structure and a shaping structure arranged on the light gathering structure, the light gathering structure is used for gathering and collimating the light beams from the LED module, and the shaping structure is used for shaping the light beams and then emitting the shaped light beams to the reflecting surface of the reflecting component.

In one embodiment, the shaping structure is a micro-convex structure or a texture structure.

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

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, the lighting device further includes a light guide plate, the light guide plate is disposed in the cavity and separates the cavity into an accommodating cavity and a light guide channel, the LED module, the shaping element and the reflection element are disposed in the accommodating cavity, and the outlet end of the light guide channel is provided with the light outlet.

In one embodiment, a light shielding layer is disposed on an inner wall of the light guide channel, and an extending direction of the light guide channel and an axis of the lighting device are obliquely disposed, so that the light shielding layer can shield the LED module.

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 at the center of the lighting device, and the light outlet is arranged at the edge of at least one side of the graphic plate.

In one embodiment, the reflecting surface of the reflecting component is a plane or a curved surface and is used for deflecting the light beam, so that the light emitting direction of the light beam from the light outlet forms an included angle of 40-45 degrees with the horizontal plane; and/or

The light spot angle of the light emitted from the light outlet is 10-45 degrees.

In a second aspect, the embodiment of the present invention further provides a lamp, which includes the lighting device of any one of the above embodiments.

Adopt the embodiment of the utility model provides a, following beneficial effect has:

adopt the utility model discloses a lighting device and lamps and lanterns, the LED module sends the light beam, the plastic piece will come from the light beam plastic back of LED module, directive reflection component, reflection component will come from the light beam reflection of plastic piece to the light-emitting window, the light beam jets out through the light-emitting window in order to predetermine the light orbit, in order to form the predetermined shape that shines, throw light on, because the exit direction that the LED module sent the light beam dodges the light-emitting window, the light beam that can avoid the LED module to send is at the light-emitting window light leak, and then can guarantee the light homogeneity of the partial light-emitting of light-emitting window, the illuminating 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 these drawings without creative efforts.

Wherein:

FIG. 1 is a schematic view of a lamp according to an 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 a shaping element in an embodiment light fixture.

Reference numerals: 100. a housing; 110. a cavity; 111. an accommodating cavity; 112. a light guide channel; 120. a light outlet; 130. a housing main body; 140. a first side bracket; 150. a second side bracket;

200. an LED module; 310. a light-gathering structure; 320. a shaping structure; 400. a light guide plate; 500. a graphic board; 600. a reflective component.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

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

Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions 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, this lamps and lanterns mainly used provide the illumination for the interior space, and this lamps and lanterns can install in indoor top in order to regard as ceiling lamp, also can install in indoor lateral wall in order to regard as the sidelight to use.

Referring to fig. 1 to 7, a lamp according to an embodiment includes a lighting device, the lighting device includes a housing 100, an LED module 200, a shaping element, and a reflection assembly 600, the housing 100 is provided with a cavity 110 and a light outlet 120 communicated with the cavity 110, the cavity 110 is used for accommodating relevant lighting components of the lighting device, and the light outlet 120 is used for allowing light to pass through to realize lighting of the lighting device.

In this embodiment, the LED module 200 is disposed in the 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 from the LED module 200 from leaking at the light exit 120. The shaping element is disposed between the LED module 200 and the reflection assembly 600, and is configured to shape the light beam from the LED module 200 and emit the shaped light beam to the reflection assembly 600, the reflection assembly 600 is disposed in the cavity 110, and is configured to reflect the light beam from the shaping element to the light outlet 120, and the light beam is emitted through the light outlet 120 with a predetermined light trajectory to form a predetermined irradiation shape for illumination. The reflection assembly 600 can change the propagation direction of the light beam, so as to propagate the light beam emitted by the LED module 200 according to a predetermined propagation path.

It can be understood that because the light beam can be adjusted after the plastic of plastic piece to the light beam, 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 track shaped by the shaping piece irradiates to form a rectangle, the lamp can simulate the illumination effect of a sunlight-transparent square window, and when the light ray track shaped by the shaping piece irradiates 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, the exit direction of the light beam emitted by the LED module 200 avoids the light exit 120, so that light leakage of the light beam emitted by the LED module 200 at the light exit 120 can be avoided, uniformity of light emitted from the light exit 120 can be ensured, and the illumination effect is good.

In this embodiment, shaping the beam by the shaping element can be achieved by various embodiments.

In one embodiment, as shown in fig. 7, the shaping element includes a light-gathering structure 310 and a shaping structure 320 disposed on the light-gathering structure 310, the light-gathering structure 310 is used for gathering and collimating the light beam from the LED module 200, and the shaping structure 320 is used for shaping the light beam and then emitting the shaped light beam to the reflection surface of the reflection assembly 600, so as to improve the uniformity of the light emitted from the light outlet 120.

Further, the light-condensing structure 310 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 310 is provided with one component, the light-gathering structure 310 is one of a focusing lens, a reflective cup, a convex lens and a fresnel optical structure, when the light-gathering structure 310 is provided with a plurality of components, the plurality of components may all be one of a focusing lens, a reflective cup, a convex lens and a fresnel optical structure, and the plurality of components may also all be a combination of two or more of a focusing lens, a reflective cup, a convex lens and a fresnel optical structure. Specifically, the LED module 200 is disposed between the light-gathering structure 310 and the inner wall of the cavity 110.

Further, the shaping structure 320 is a micro-convex structure or a texture structure. In the present embodiment, the micro-protrusion structure can shape the light beam from the LED module 200, emit the light beam to the reflection assembly 600, and reflect the light beam by the reflection assembly 600, so that the light beam is emitted along a predetermined light path to form a predetermined illumination shape. Further, the micro-protrusion structure may be a square protrusion structure or a circular protrusion structure.

When this little protruding structure is square protruding structure, can carry out the plastic to the light beam through the calculus mode to reach square illuminating effect, be circular protruding structure when this little protruding structure, can carry out the plastic to the light beam through the calculus mode, in order to reach circular illuminating effect, be other protruding shapes when this little protruding structure, can reach other predetermined shapes of shining.

In this embodiment, the grain structure can shape the light beam from the LED module 200, and then emit the light beam to the reflection assembly 600, and after the light beam is reflected by the reflection assembly 600, the light beam is emitted along a predetermined light path to form a predetermined illumination shape. Preferably, the grain structure can be a sun-grain or fine-grain microstructure, and the light ray track can be changed by sun-grain or fine-grain microstructure, so that the preset irradiation shape is completed.

In another embodiment, the shaping element includes an incident surface and an exit surface opposite to each other, at least one of the incident surface and the exit surface is provided with a shaping structure 320, and the shaping structure 320 is a micro-convex structure or a grain structure.

In particular, the microprotrusion structure may be uniformly distributed on a single side of the shaping member or on both sides of the shaping member. In the present embodiment, the micro-protrusion structure can shape the light beam from the LED module 200, emit the light beam to the reflection assembly 600, and reflect the light beam by the reflection assembly 600, so that the light beam is emitted with a predetermined light path to form a predetermined illumination shape. Further, the micro-protrusion structure may be a square protrusion structure or a circular protrusion structure.

Of course, in other embodiments, the shaping element is provided in other specific configurations to achieve shaping of the beam.

In an embodiment, with continuing reference to fig. 3 and fig. 4, the lighting device further includes a light guide plate 400, the light guide plate 400 is disposed in the cavity 110 and partitions the cavity 110 into an accommodating cavity 111 and a light guide channel 112, the LED module 200, the shaping element and the reflective element 600 are disposed in the accommodating cavity 111, and an outlet end of the light guide channel 112 is provided with a light outlet 120. Further, the light guide plate 400 is a transparent member, and can allow the light from the reflection assembly 600 to pass through and exit through the light exit 120. Specifically, the light guide plate 400 is fixedly connected to the housing 100 by hot pressing or laser dotting, so as to partition the cavity 110 into the accommodating cavity 111 and the light guide channel 112.

It can be understood that, through the arrangement of the light guide plate 400, the LED module 200, the shaping member and the reflection assembly 600 can be disposed in the closed accommodating cavity 111 to prevent foreign objects such as external hands and dust from affecting the related lighting components installed in the accommodating cavity 111.

In one embodiment, the reflecting surface of the reflecting component 600 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 assembly 600 is a plane, the reflecting assembly 600 may be a plane mirror or a reflecting prism.

Specifically, the reflection assembly 600 can deflect the light beam, so that the light emitting direction of the light beam from the light outlet 120 forms an included angle of 40 degrees to 45 degrees with the horizontal plane. Of course, in other embodiments, the reflection assembly 600 can also deflect the light beam, so that the light emitting direction of the light beam from the light outlet 120 forms an angle of 45 ° to 55 ° with the horizontal plane or other angles.

In an embodiment, the light outlet 120 emits light with a spot angle of 10 ° to 45 °, i.e. forming a spot oblique illumination effect, where the spot angle is a spot divergence angle and a half light intensity angle.

In an embodiment, referring to fig. 3 and fig. 4, a light shielding layer is disposed on an inner wall of the light guide channel 112, and an extending direction of the light guide channel 112 is inclined to an axis of the lighting device, so that the light shielding layer can shield the LED module 200.

Through the inclined arrangement of the light guide channel 112, the LED module 200 can be shielded, and the light leakage of the LED module 200 is prevented from affecting the light-emitting uniformity of the light outlet 120. Due to the arrangement of the light shielding layer, stray light at the edge of the light outlet 120 can be eliminated, and light spots of the light outlet 120 are cut off more, so that the lighting effect of the lamp is improved.

Furthermore, the extending direction of the light guide channel 112 forms an included angle of 45 ° to 50 ° with the axis of the lighting device, that is, the extending direction of the light guide channel 112 forms an included angle of 40 ° to 45 ° with the horizontal plane, so as to limit the light emitting direction of the light outlet 120 to form an included angle of 40 ° to 45 ° with the horizontal plane. Specifically, the conducting channel extends from the top to the bottom along the radial direction of the lighting device, so that the light beam passing through the light guide channel can be irradiated from the top to the bottom along the outer direction, and a light spot with a preset shape is formed on the irradiation surface. In fig. 3, the X direction is the extending direction of the axis of the lighting device, and the Y direction is the extending direction of the light guide channel 112, i.e. the light emitting direction of the light outlet.

Of course, in other embodiments, the extending direction of the light guide channel 112 is set at an angle of 10 ° to 45 ° with the axis of the lighting device, or the extending direction of the light guide channel 112 is set at an angle of 50 ° to 70 ° with the axis of the lighting device, and the inclined setting angle of the light guide channel 112 can be selected according to the setting requirement of the lighting device.

In an embodiment, referring to fig. 3 and fig. 4, the light beam emitting direction of the LED module 200 is parallel to the light exit 120, so as to prevent the light beam emitted from the LED module 200 from leaking at the light exit 120.

Further, the reflection assembly 600 can deflect the light beam from the shaping member by 135 ° to 140 ° to change the traveling direction of the light beam, transmit the light beam to the light guide plate 400, and transmit the light beam to the light outlet 120 through the light guide plate 400.

Compared with the scheme that light beams emitted by the LED light source in the existing lamp directly emit to the light outlet 120 and emit light through the light outlet 120, the lamp of the embodiment changes the light beam propagation direction through the reflection assembly 600 so as to propagate the light beams according to the preset propagation path, can release the limitation of the installation position of the LED module 200, is more beneficial to the spatial arrangement of the lamp, and is further more beneficial to the miniaturization, lightness and thinness of the lamp.

Further, in an embodiment, the LED module 200 and the light-gathering structure 310 are disposed at a side position of the luminaire. Because the LED light source does not need to be arranged right opposite to the light outlet 120, the shielding layer of the light guide channel 112 can shield the LED module 200, so as to further prevent light beams emitted by the LED module 200 from leaking at the light outlet 120, avoid dazzling light, and improve the use comfort. Of course, in other embodiments, the LED module 200 may also be arranged at an inner position of the luminaire.

In an embodiment, please continue to refer to fig. 3 and 4, the LED module 200 includes a circuit board and a plurality of LED beads disposed on the circuit board, the LED beads can emit light beams, and the plurality of LED beads are uniformly 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 structures 310 may be provided in plurality and arranged in one-to-one correspondence with the LED lamp beads, so that each LED lamp bead corresponds to one light condensing structure 310.

In an embodiment, with continuing reference to fig. 1 and fig. 2, the lighting device further includes a graphic board 500, the graphic board 500 is disposed at a central position of the lighting device, and the light outlet 120 is disposed at least one side edge position of the graphic board 500.

Further, the graphic panel 500 is a square panel, the graphic panel 500 is provided with patterns, the lighting device may further be provided with a light source of the graphic panel 500 to illuminate the graphic panel 500 for lighting, and the light source of the graphic panel 500 may adopt a side lighting or direct lighting technology to achieve a lighting effect. The graphic plate 500 may be provided with a plurality of pieces, for example, two or three pieces. Of course, in other embodiments, four or more graphic boards 500 may be disposed around the outer side of the light exit 120, and the specific number and position of the graphic boards 500 may be adjusted according to the design requirement of the lamp.

Specifically, when the light outlets 120 are annularly arranged around the graphic board 500, four sides of the graphic board 500 are respectively provided with one light outlet 120, when the light outlets 120 are arranged in an L shape at the edge of the graphic board 500, two adjacent sides of the graphic board 500 are respectively provided with one light outlet 120, when the light outlets 120 are oppositely arranged at two side edges of the graphic board 500, two sides of the graphic board 500 are respectively symmetrically provided with one light outlet 120, so that light is emitted from the regions opposite to the two sides. Of course, in other embodiments, the arrangement of the light outlet 120 may also be circular, triangular or prismatic, so that all or part of the circular, triangular or prismatic shape is used for emitting light, and the specific light emitting shape of the light outlet 120 may be selected according to the specific design requirement of the lighting device.

In one embodiment, the housing 100 is a square box, and the housing 100 includes a housing main body 130, and a first side bracket 140 and a second side bracket 150 disposed in the housing main body 130, wherein the first side bracket 140 and the second side bracket 150 surround to form the light guide channel 112. The conducting channel 112 extends from the top to the bottom along the radial direction of the lighting device, so that the light beam passing through the light guiding channel 112 can be irradiated from the top to the bottom and form a light spot with a preset shape on the irradiated surface.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims (10)

1. An illumination device, comprising: the LED module is arranged in the cavity and used for emitting light beams, the emergent direction of the light beams avoids the light outlet, the shaping piece is arranged between the LED module and the reflecting component and used for shaping the light beams from the LED module and then irradiating the light beams to the reflecting component, the reflecting component is arranged in the cavity and used for reflecting the light beams from the shaping piece to the light outlet, and the light beams are emitted out through the light outlet according to a preset light ray track.

2. The illumination device as claimed in claim 1, wherein the shaping member comprises a light incident surface and a light emitting surface which are arranged oppositely, at least one of the light incident surface and the light emitting surface is provided with a shaping structure;

or the shaping piece comprises a light gathering structure and a shaping structure arranged on the light gathering structure, the light gathering structure is used for gathering and collimating the light beams from the LED module, and the shaping structure is used for shaping the light beams and then emitting the shaped light beams to the reflecting surface of the reflecting component.

3. A lighting device as recited in claim 2, wherein said shaping structure is a microprotrusion structure or a textured structure.

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

5. The illumination device of claim 2, 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.

6. The lighting device according to claim 1, further comprising a light guide plate disposed in the cavity and separating the cavity into a receiving cavity and a light guide channel, wherein the LED module, the shaping element and the reflection element are disposed in the receiving cavity, and the light outlet is disposed at an outlet end of the light guide channel.

7. The illumination device as claimed in claim 6, wherein a light shielding layer is disposed on an inner wall of the light guide channel, and an extending direction of the light guide channel is inclined to an axis of the illumination device, so that the light shielding layer can shield the LED module.

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

The lighting device further comprises a graphic plate, the graphic plate is arranged at the center of the lighting device, and the light outlet is arranged at the edge of at least one side of the graphic plate.

9. The illumination device according to claim 1, wherein the reflection surface of the reflection assembly is a plane or a curved surface and is configured to deflect the light beam such that an angle between a light emitting direction of the light beam from the light outlet and a horizontal plane is 40 ° to 45 °; and/or

The light spot angle of the light emitted from the light outlet is 10-45 degrees.

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

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