CN219550342U - Lamp set - Google Patents

Abstract

The utility model provides a lamp, which comprises a chassis, a lamp frame, a face mask, a lamp strip and a driving power supply, wherein the face mask is a main light-emitting surface of the lamp, the lamp frame is made of a light-transmitting material and forms a side light-emitting surface of the lamp, the lamp frame comprises a light homogenizing part, the light homogenizing part comprises a first area provided with a microstructure and a second area not provided with the microstructure, the light homogenizing part surrounds the chassis, and the first area and the second area are alternately arranged along the surrounding direction of the light homogenizing part. The side-direction light emission is formed through the transparent lamp frame, and the light emitting effect of the upper line in two directions is realized without additionally arranging a light source. The same group of light sources can ensure that the driving power supply does not need to be additionally provided with shunt control, the lamp assembly is more convenient, and the overall cost is reduced. The optical structure of the lamp frame is arranged to enable the lateral light to be more uniform, and good light emitting effect is achieved.

Description

Lamp set

Technical Field

The utility model relates to a lamp.

Background

At present, a direct type backlight technology is mainly adopted for a household illumination ceiling lamp, the technology is firstly used for liquid crystal backlight display, after years of development, the technology is very mature, and the technical scheme has the characteristics of low cost, flexible design and the like, and meanwhile, the weight of a lamp can be effectively reduced. Besides large-area surface lighting, the decorative ceiling lamp is often led with a line lighting element, a line light part is positioned on the outermost ring of the lamp, the ceiling is illuminated during ceiling mounting, a circle of gorgeous halation effect is formed, and the combined line and surface lighting forms enable the ceiling lamp to get rid of the defect that a single surface is too monotonous when lighting, so that the decorative ceiling lamp is more fashionable in modeling and popular with the masses. The linear light part of the existing ceiling lamp generally needs to be provided with a set of lateral light sources independently and is matched with corresponding optical components, so that the cost is high.

Disclosure of Invention

The utility model aims to solve the problems, and provides a low-cost lamp with a lateral auxiliary light-emitting function outside a main light source, and meanwhile, the problem of uneven lateral light-emitting is solved.

The utility model provides a lamp, which comprises a chassis, a lamp frame, a face mask, lamp strips and a driving power supply, wherein the lamp frame is of an annular structure, the chassis and the face mask are respectively arranged at two ends of the lamp frame to form a containing space, and the driving power supply is arranged in the containing space, the lamp strips are arranged on the chassis and emit light towards the face mask.

Preferably, the lamp comprises at least two lamp bars, and the first area is arranged at a projection position of the lamp bars on the dodging part along the length direction of the lamp bars and extends to two sides.

Preferably, the micro-structure is a micro-prism structure arranged in an array, and the micro-prism structure is arranged along the surrounding direction of the light homogenizing part.

Preferably, the micro-prism structure is disposed on a side of the light homogenizing portion facing the light bar.

Preferably, the height of the individual micro-prismatic structures becomes smaller as the distance between the micro-prismatic structures and the light bar becomes larger, and/or the apex angle of the individual micro-prismatic structures becomes larger as the distance between the micro-prismatic structures and the light bar becomes larger.

Preferably, the thickness of the first region and/or the second region becomes smaller as the distance from the chassis becomes larger.

Preferably, the lamp frame further comprises a diffusion part, wherein the diffusion part surrounds the outer side of the dodging part, and the diffusion part and the dodging part are arranged at intervals.

Preferably, the inner and/or outer surface of the diffuser is frosted.

Preferably, the lamp frame further comprises a connecting portion, and the connecting portion is connected with the diffusion portion and the dodging portion.

Preferably, the lamp further comprises a decorative frame, the decorative frame is connected with the lamp frame, and the mask is clamped between the decorative frame and the lamp frame.

According to the lamp provided by the utility model, lateral luminescence is formed through the transparent lamp frame, and the luminescence effect of the upper line in two directions is realized without arranging a light source. The same group of light sources can ensure that the driving power supply does not need to be additionally provided with shunt control, the lamp assembly is more convenient, and the overall cost is reduced. The optical structure of the lamp frame is arranged to enable the lateral light to be more uniform, and good light emitting effect is achieved.

Drawings

FIG. 1 is an exploded view of a preferred embodiment lamp of the present utility model;

FIG. 2 is a schematic view of a frame of a lamp according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the internal structure of a lamp according to a preferred embodiment of the present utility model;

FIG. 4 is a schematic view of a first area and a light bar corresponding relationship in a lamp according to a preferred embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of a bezel of a lamp according to a preferred embodiment of the present utility model;

FIG. 6 is a schematic view of a first area in a bezel of a lamp according to a preferred embodiment of the present utility model;

FIG. 7 is a light path diagram of a first area microstructure according to a preferred embodiment of the utility model;

FIG. 8 is a front view of a preferred embodiment lamp of the present utility model with the mask removed;

FIG. 9 is a cross-sectional view taken along the direction A-A of FIG. 8;

FIG. 10 is an enlarged partial view of region B of FIG. 9;

FIG. 11 is a schematic structural view of the connection between the bezel and the decorative frame and the mask of a preferred embodiment of the present utility model;

FIG. 12 is a schematic view of the direction of human eyes with a side-emitting lamp according to a preferred embodiment of the present utility model;

FIG. 13 is a view of the lighting effect of the light fixture without the bezel of the present utility model, as viewed from the view direction of FIG. 12;

fig. 14 is a view of the lighting effect when the bezel of the lamp according to the present utility model is incorporated in the view direction of fig. 12.

Detailed Description

The lamp according to the utility model will be described in further detail with reference to the drawings and the specific embodiments.

The structure of the lamp according to a preferred embodiment of the present utility model is shown in fig. 1, and the lamp comprises a chassis 1, a lamp frame 2, a mask 3, a decorative frame 4, a lamp strip 5 and a driving power supply 6. Wherein the lamp frame 2 has an annular structure as shown in fig. 2, and the chassis 1 and the face mask 3 are respectively arranged at two ends of the lamp frame 2 to form a lamp body. In this embodiment, the mask 3 is connected to the lamp frame 2 through the decorative frame 4, and in other preferred embodiments, the decorative frame may not be provided. The inside accommodation space that constitutes of lamp body, drive power supply 6 and lamp strip 5 set up wherein. The lamp of the embodiment is a direct-type surface light source lamp, the mask 2 is a main light emitting surface of the lamp, and the lamp generally comprises a plurality of lamp strips, namely more than two lamp strips 5, which are arranged side by side on the chassis 1 and emit light towards the mask 2. The side light-emitting surface of the lamp is formed by the light-transmitting material of the lamp frame 2, and the light emitted by the lamp bar 5 can be transmitted out of the lamp frame 2 besides the mask 3, so that the lamp with the front surface light source and the linear side light-emitting surface line combination is formed.

As shown in fig. 3 and 4, a plurality of light bars 5 are arranged in the chassis 1 of the lamp side by side, and as shown in fig. 5, the light bars 5 comprise an LED chip 51 and a lens 52, and uniform light emission of the main light emitting surface can be realized through light distribution of the lens. In this case, according to the observation direction shown in fig. 12, the effect of looking at the side lighting at the position of the eye distance of 1 meter is shown in fig. 13, and it is obvious that a bright area appears at the position where the light bars 5 are present, and the area between the two light bars 5 is darker, so that the overall light emission is very uneven.

In order to improve uniformity of lateral light, the lamp frame 2 in this embodiment is specially designed, as shown in fig. 2, the lamp frame 2 includes a light homogenizing portion 202, and the overall outline of the light homogenizing portion 202 and the lamp frame 2 is consistent, and the chassis 1 is annularly surrounded. The dodging portion 202 includes a first region 2021 provided with a microstructure and a second region 2022 not provided with a microstructure. As shown in fig. 3 and 4, the first region 2021 is disposed at a projection position of the light bar 5 on the light uniforming portion 202 along the length direction thereof, and extends to two sides, so that the width of the first region 2021 is greater than the width of the light bar 5. The second regions 2022 are disposed at positions between the two light bars 5, and the first regions 2021 and the second regions 2022 are alternately disposed along the surrounding direction of the dodging section 202.

In this embodiment, the micro-structures on the first region 2021 are micro-prism structures arranged in an array, as shown in fig. 2, 3, 4, 5, and 6, the micro-prism structures are disposed on one side of the light homogenizing portion 202 facing the light bar 5, and are arranged along the surrounding direction of the light homogenizing portion 202, i.e. the extending direction of the micro-prisms is from the chassis 1 to the mask 3. The micro-prism structure can scatter light beams to two sides, so as to achieve better light homogenizing effect, in this embodiment, the micro-prism group in each first region 2021 is composed of prism units with different sizes and angles. The groups of microprisms in each first region 2021 are symmetrically distributed, and the height of each microprism structure becomes smaller as the distance between the microprism structure and the light bar 5 becomes larger, i.e. the height of the microprism near the middle position is highest, and the microprisms on both sides become lower gradually. Or the apex angle of a single micro-prism structure becomes larger as the distance between the micro-prism structure and the light bar 5 becomes larger, i.e. the height of the micro-prisms becomes larger without changing the apex angle, and the width becomes larger gradually. In this embodiment, the height and the apex angle of the microprism structure are changed at the same time, and referring to the reference line in fig. 7, the shape of the microprism is gradually flattened from the middle position to both sides.

The working principle of the micro-prism structure is shown in fig. 7, and incident light rays 1 near the middle position of the light bar 5 are refracted after being emitted to the prism surface and enter the material, and after being totally reflected on the opposite inner surface, the incident light rays return to the prism surface and are refracted. The angle of the light bar 5 is larger, the incident light 2 with the incident angle alpha enters the inside of the material after being refracted on the prism surface, and the outside of the material is refracted on the opposite side surface with a larger angle beta, wherein beta is larger than alpha, which means that the light can deviate to the dark area position. The typical incident light ray 1 at the brightest position in the middle can be restrained and not emitted after reflection, the typical light ray 2 in the lateral direction deflects the light ray close to the light bar 5 towards the direction far away from the light bar 5, and the two conditions are simultaneously acted, so that the problem of large brightness difference between the near point and the far point of the light bar 5 can be effectively solved, the brightness uniformity of the linear light in the horizontal direction is improved, and the optimization result of the uniformity can be realized by optimizing the angle distribution of the microprisms.

In addition to the uniformity in the horizontal direction, it can be seen from fig. 13 that there is also a non-uniformity in the vertical direction, with the side closer to the mask 3 being brighter and the side closer to the chassis 1 being darker. To solve this problem, the thickness of the first region 2021 is not constant either, and the thickness of the first region 2021 becomes smaller as the distance from the chassis 1 becomes larger, i.e., the lateral direction of the first region 2021 also forms a prism-like form with a small upper side and a large lower side. The structure of the second region 2022 is not limited to the first region 2021, but the second region 2022 may be smaller at the top and larger at the bottom, and fig. 10 is a side sectional view of the lamp, and the light incident on the frame 2 of the lamp is the light with a large angle from the lens 52 on the light bar 5, that is, the incident light 3. After the incident light ray 3 comes out of the lens, the incident light ray 3 is emitted to the light homogenizing part 202 of the lamp frame 2, and the structure has a downward deflection effect on the incident light ray 3, so that the problem that the brightness of the linear light below the light emitting surface is low can be solved. The final effect of the lamp frame 2 of the embodiment is shown in fig. 14, and the uniformity of the lamp frame is obviously improved compared with that of fig. 13.

In addition to providing different surface optical structures at different positions of the light homogenizing portion 202, another feature of the lamp bezel 2 of the present utility model is that the lamp bezel 2 has a double-layer structure. As shown in fig. 2, 8, 9, 10, and 11, the lamp bezel 2 includes a diffuser 201 and a light-equalizing portion 202 that are spaced apart from each other, and a connecting portion 203 that is connected between the diffuser 201 and the light-equalizing portion 202. The connection part 203 is ring-shaped, matches the outer periphery contour of the chassis 1, and the connection part 203 can be directly attached to the outer periphery edge of the chassis 1 to be connected with the chassis 1. In the present embodiment, the connection portion 203 is connected to the chassis 1 by a screw, and in other preferred embodiments, the connection portion may be connected by a buckle, etc., which is not limited by the present utility model. The diffusion part 201 and the dodging part 202 are formed by extending the connecting part 203 towards the direction of the face mask 3, the cross section of the lamp frame is U-shaped, and the diffusion part 201 is arranged on the outer ring of the dodging part 202. The diffusion portion 201 and the light homogenizing portion 202 are made of transparent materials, wherein the light homogenizing portion 202 is provided with a microstructure, so that the problem of light concentration in a light bar arrangement area is solved, and the diffusion portion 201 can be a diffusion plate containing diffusion particles or a light-transmitting material with a frosted surface. The diffusion part 201 and the light homogenizing part 202 are arranged at intervals, and an air layer between the diffusion part and the light homogenizing part forms a light mixing cavity, so that the final light is more uniform and softer, and a circle of halation is formed around the main light emitting surface.

In this embodiment, the diffusion portion 201 has frosted surfaces on both the inner and outer surfaces, and in other preferred embodiments, only one of the surfaces may be frosted, and the polishing may be performed by sand blasting, polishing, or the like. The microstructure on the light homogenizing part 202 may be arranged outside and may be of different microstructure types in other preferred embodiments than the one described in the previous embodiment.

In order to achieve a connection with the visor 3, a first connection structure 205 is provided on the luminaire rim 2, which first connection structure 205 may be provided on one of the diffuser portion 201 or the light homogenizing portion 202. In the embodiment of fig. 10, the first connecting structure 205 is disposed above the diffusing portion 201, and the decorative frame 4 is provided with the second connecting structure 41 that mates with the first connecting structure 205, and the two structures are connected by snap fit. The decorative frame 4 is annular, the shape of the decorative frame is matched with that of the lamp frame 2, the decorative frame 4 is connected with one end of the diffusion part 201 and the light homogenizing part 202, which is away from the chassis, the decorative frame 4 covers the opening of the U-shaped section of the lamp frame 2, and a closed light mixing cavity is formed between the diffusion part 201 and the light homogenizing part 202. At the same time, the decorative frame 4 is also a connecting part for fixing the mask 3. The decorative frame 4 further includes a clamping portion protruding from the inner side of the light homogenizing portion 202, and in this embodiment, the second connecting structure 41 is also a clamping portion, the second connecting structure 41 is a convex edge of the decorative frame extending to the inner side of the light homogenizing portion 202, and the first connecting structure 205 is a hook and convex edge clamping connection. At this time, the convex edge as the second connection structure 41 is attached to and higher than the inner side surface of the dodging portion 202, and a mask support portion 204 is further provided on the inner side surface of the dodging portion 202, and the outer peripheral edge of the mask 3 is provided with a circle of convex edges 31, and the convex edges 31 are sandwiched between the second connection structure 41 as the sandwiching portion and the mask support portion 31. Thus, the face mask 3 is fixedly connected with the lamp frame 2 through the decorative frame 4.

In another preferred embodiment of the present utility model, the decorative frame 4 may not be included, and a third connecting structure that mates with the first connecting structure 205 may be directly disposed on the mask 3 to directly connect the mask 3 to the lamp rim 2. The connection between the two can be a buckle connection, or can be adhesion, threads, screws and the like, and the utility model is not limited to the above.

The foregoing description of the preferred embodiments of the present utility model is for the purpose of illustration and description, and is not intended to be exhaustive or to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible which may be apparent to those skilled in the art and should be included within the scope of the utility model as defined by the appended claims.

Claims (10)

1. The utility model provides a lamp, includes chassis, lamps and lanterns frame, face guard, lamp strip and drive power supply, the lamps and lanterns frame is annular structure, the chassis with the face guard sets up respectively the both ends of lamps and lanterns frame constitute the accommodation space, drive power supply sets up wherein, the lamp strip sets up the chassis, towards the face guard is luminous, its characterized in that, the face guard is the main light emitting surface of lamps and lanterns, the lamps and lanterns frame is made by the printing opacity material and is constituted the side light emitting surface of lamps and lanterns, the lamps and lanterns frame includes the dodging portion, the dodging portion is including the first region that is provided with the microstructure and the second region that is not equipped with the microstructure, the dodging portion encircles the chassis, first region with the second region is followed the circumferencial direction of dodging portion sets up in turn.

2. A light fixture as recited in claim 1, wherein the light fixture comprises at least two light bars, and the first region is disposed at a projection position of the light bars on the light homogenizing portion along a length direction thereof and extends to two sides.

3. The lamp as claimed in claim 2, wherein the micro-structures are micro-prism structures arranged in an array, and the micro-prism structures are arranged along a surrounding direction of the light homogenizing portion.

4. A luminaire as claimed in claim 3, characterized in that the microprism structure is arranged on the side of the light homogenizing part facing the light bar.

5. A luminaire as claimed in claim 4, characterized in that the height of the individual microprismatic structures becomes smaller as the distance between the microprismatic structures and the light bar becomes larger and/or the apex angle of the individual microprismatic structures becomes larger as the distance between the microprismatic structures and the light bar becomes larger.

6. A luminaire as claimed in claim 4, characterized in that the thickness of the first region and/or the second region decreases with increasing distance from the chassis.

7. A light fixture as recited in any one of claims 1-5, wherein the light fixture bezel further comprises a diffuser portion, wherein the diffuser portion surrounds an outer side of the light homogenizing portion and wherein the diffuser portion and the light homogenizing portion are spaced apart.

8. A light fixture as recited in claim 7, wherein an inner surface and/or an outer surface of the diffuser portion is frosted.

9. The luminaire of claim 7 wherein the luminaire rim further comprises a connection portion connecting the diffuser portion and the light homogenizing portion.

10. A light fixture as recited in claim 9, further comprising a decorative frame, said decorative frame being connected to said light fixture bezel, said face mask being sandwiched between said decorative frame and said light fixture bezel.