CN218645526U - Lighting lamp - Google Patents

Abstract

The utility model discloses an illumination lamp, including shell, light source and power driver, power driver install in the rear end of shell, wherein, the rear end of shell is equipped with the recess, the opening part of recess is equipped with the heat conductor in order to avoid following the hot gas flow that flows out in the recess makes power driver is heated. By arranging the heat conductor, the hot air flow flowing out of the groove can be prevented from heating the power supply driver.

Description

Lighting lamp

Technical Field

The utility model relates to the field of lighting, especially, relate to an illumination lamp.

Background

At present, down lamps or spot lamps in the market generally comprise a shell, a light source component and a radiator. The heat sink is connected to the housing. The light source assembly generally includes a light source, and a lens, a reflecting cup, and the like for light distribution. The light source is typically mounted on a heat sink. Therefore, when the lighting lamp works, heat emitted by the light source is dissipated through the radiator. The housing generally does not function to dissipate heat. The lamp body and the power driver are also typically separate from each other.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a lighting lamp is provided.

In order to solve the technical problem, the utility model discloses an illumination lamp, including shell, light source and power driver, wherein, power driver install in the rear end of shell, the rear end of shell is equipped with the recess, the opening part of recess is equipped with the heat conductor in order to avoid following the hot gas flow that flows out in the recess makes power driver is heated.

Preferably, the heat conductor comprises an annular wall, a plurality of upper ribs and a plurality of lower ribs, the upper ribs and the lower ribs are distributed around the annular wall, an upper notch is formed between every two adjacent upper ribs, a lower notch is formed between every two adjacent lower ribs, and the adjacent upper notches and the adjacent lower notches are communicated with each other.

Preferably, the adjacent upper rib and the lower rib are staggered with each other in the horizontal direction, and one end of the upper rib connected with the annular wall and one end of the lower rib connected with the annular wall are staggered with each other in the vertical direction.

Preferably, the lower notch faces the upper rib in the vertical direction.

Preferably, a heat radiating fin is arranged in the groove.

Preferably, the shell includes diapire, inside wall, step wall and lateral wall, the inside wall is connected the diapire with the step wall, the step wall is connected the inside wall with the lateral wall, the inside wall the step wall and being close to of lateral wall the one end of diapire forms the recess.

Preferably, the heat sink is connected to the inner wall, the step wall, and the outer wall.

Preferably, the light source includes a first light source mounted to an inner surface of the bottom wall and a second light source mounted to an inner surface of the step wall.

Preferably, the heat conductor is provided with a positioning notch, and the shell is provided with a positioning convex part matched with the positioning notch.

Preferably, the heat conductor is sandwiched between the housing and the power driver.

By arranging the heat conductor, the hot air flow flowing out of the groove can be prevented from heating the power supply driver.

Drawings

FIG. 1 is a schematic view of an embodiment of a lighting fixture of the present invention;

FIG. 2 is an exploded view of the light fixture of FIG. 1;

FIG. 3 is a cross-sectional view of the lighting fixture of FIG. 1;

FIG. 4 is a schematic view of a first viewing angle of a housing of the light fixture of FIG. 1;

FIG. 5 is a schematic view of a second viewing angle of the housing of the light fixture of FIG. 1;

FIG. 6 is a schematic view of a third perspective of the housing of the light fixture of FIG. 1;

FIG. 7 is a schematic view of a perspective of a heat conductor of the lighting fixture of FIG. 1;

FIG. 8 is a schematic view of another perspective of a heat conductor of the lighting fixture of FIG. 1;

fig. 9 is a schematic view of a light guide of the light fixture of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 9, the illumination lamp of the present embodiment includes a housing 1, a first light source assembly for small-angle illumination and a second light source assembly for large-angle illumination, the first light source assembly includes a first light source 2, the second light source assembly includes a second light source 3, the second light source 3 surrounds the first light source 2, and the illumination lamp further includes a light guide assembly 5 for guiding light to the first light source 2 and the second light source 3. That is, in the present embodiment, the light source of the lighting fixture includes the first light source 2 and the second light source 3. The first light source 2 and the second light source 3 are located in different planes. The light guide member 5 is disposed between the first light source 2 and the second light source 3. The light guide member 5 includes an inner light guide surface 51 for guiding light to the first light source 2 and an outer light guide surface 52 for guiding light to the second light source 3. The outer light guiding surface 52 is a vertical surface, and the second light source 3 surrounds the light guiding member 5. The inner light guide surface 51 is an inclined surface, the first light source assembly further includes a lens 23 and a first reflection cup 22, and the inner light guide surface 51 is disposed at a light outlet of the first reflection cup 22. The light guide member 5 is circular. The second light source assembly further includes a second light source protecting cover 31 and a dazzle prevention member 32, and the second light source 3 is disposed between the dazzle prevention member 32 and the outer light guide surface 52. By providing the light guide member 5, the inner light guide surface 51 of the light guide member 5 can make the irradiation angle of the first light source 2 more accurate; the outer light guide surface 52 of the light guide member 5 is matched with the anti-dazzle component 32, so that the light of the second light source 3 can be prevented from forming an annular light band, and the light is more uniform and soft. It should be particularly noted that the term "low-angle illumination" as referred to herein is a pair of opposite concepts as the term "high-angle illumination" as referred to herein, the illumination angle of the first light source assembly is smaller than the illumination angle of the second light source assembly, and the illumination angle of the second light source assembly is larger than the illumination angle of the first light source assembly, so that the first light source assembly is "low-angle illumination" with respect to the second light source assembly, and the second light source assembly is "high-angle illumination" with respect to the first light source assembly. Specifically, the first light source 2 may adopt a COB light source, a CSP light source, or an integrated point light source; the second light source 3 may adopt a COB light source, a CSP light source, an SMD patch light source, or an integrated point light source.

The housing 1 includes a bottom wall 11, a step wall 12, an inner side wall 15 connecting the bottom wall 11 and the step wall 12, and an outer side wall 13. The step wall 12 connects the inner side wall 15 and the outer side wall 13. The inner side wall 15 and the outer side wall 13 form a groove 16 at one end close to the bottom wall 11, and a radiating fin 17 is arranged in the groove 16. The bottom wall 11 of the housing 1 is further provided with a wire through hole 19, and the outer surface of the inner side wall 15 is further provided with a positioning convex part 18. The housing 1 is provided with a spring clip 1000. The inner side wall 15 is cylindrical. The outer side wall 13 is cylindrical. The housing 1 is made of a metal material, such as aluminum, and the heat dissipation effect of the housing made of the metal material is better.

The first light source 2 and the second light source 3 are both mounted on the housing 1 to dissipate heat through the housing. Specifically, the first light source 2 is mounted on the inner surface of the bottom wall 11, and the first light source assembly is further provided with a first light source protective cover 21, a lens 23 for distributing light to the first light source 2, and a first reflector cup 22. A first reflector cup 22 and a lens 23 are supported on the first light source protecting cover 21. The second light source 3 is mounted on the inner surface of the step wall 12, and the second light source assembly is further provided with an anti-dazzle component 32. The dazzle prevention member 32 has a ring-shaped thin wall shape. By mounting the first light source 2 on the inner surface of the bottom wall 11 and mounting the second light source 3 on the inner surface of the step wall 12, heat generated during the operation of the first light source 2 and the second light source 3 can be directly transferred to the housing 1 and then dissipated through the housing 1, so that a heat sink is not required. Because shell 1 is equipped with recess 16, is equipped with fin 17 in the recess 16 again, fin 17 with inside wall 15 step wall 12 and lateral wall 13 is connected to greatly increased shell 1's heat radiating area, the heat that is convenient for first light source 2 and second light source 3 to produce passes through shell 1 distributes away.

The lighting fixture further comprises a power driver 6, wherein the power driver 6 controls the first light source 2 and the second light source 3 to be alternately conducted. When a small area needs to be illuminated, the first light source 2 can be controlled to be turned on by the power driver 6, so that the first light source 2 emits light for illumination; when a large area needs to be illuminated, the second light source 3 can be controlled to be turned on by the power driver 6, so that the second light source 3 emits light for illumination. The power driver 6 comprises a power shell 62 and a bottom cover 63 which are mutually covered, and a power driving board 61 of the power driver 6 is arranged in a cavity formed by the power shell 62 and the bottom cover 63. The bottom cover 63 is mounted on the bottom wall 11 of the housing 1 by screws. The power supply housing 62 is also provided with an expansion interface 69 for the power supply driver 6 to be applied to different products.

In order to avoid or reduce the adverse effect of the heat emitted from the grooves 16 and the heat sink 17 on the power driver 6, a heat conductor 7 is further provided at the opening of the grooves 16. The heat conductor 7 comprises an annular wall 78, a number of upper ribs 73 and a number of lower ribs 71 distributed around the annular wall 78. Upper notches 75 are formed between adjacent upper ribs 73, and lower notches 72 are formed between adjacent lower ribs 71. The adjacent upper notches 75 and lower notches 72 communicate with each other to facilitate the circulation of air inside and outside the groove 16. The upper rib 73 and the lower rib 71 are staggered from each other in the horizontal direction, and one end of the upper rib 73 connected with the annular wall 78 and one end of the lower rib 71 connected with the annular wall 78 are staggered from each other in the vertical direction. Thus, the lower notch 72 is opposed to the upper rib 73 in the vertical direction, and the lower notch 72 and the upper notch 75 communicate with each other. Like this, when the illumination lamps and lanterns during operation, the hot-air that forms after the illumination lamps and lanterns gave out the heat through recess 16 and fin 17 can not vertically rise direct action on power driver 6, and the hot-air passes down behind notch 72 owing to the blockking of last rib 73, flows out through last notch 75 again to the flow direction of hot-air has been disturbed, and the influence of hot-air to power driver 6 has been reduced or has been avoided. The heat conductor 7 is further provided with a positioning notch 79 for matching with the positioning convex part 18 on the shell 1, so that the positioning of the heat conductor and the positioning convex part is realized. The heat conductor 7 is sandwiched between the housing 1 and the power driver 6, thereby achieving mounting. It should be noted that the vertical direction as shown in fig. 3 is referred to as a "vertical direction" in the present application, and the lateral direction as shown in fig. 3 is referred to as a "horizontal direction" in the present application. One end of the light outlet of the lighting fixture shown in fig. 3 is the front end of the housing 1, and the end where the power driver 6 is mounted is the rear end of the housing 1. Through setting up heat conductor 7, especially through the crisscross design of last rib 73 and lower rib 71, can carry out separation and upset to the high temperature air current that generates in the recess 16, make it change the flow direction, make vertical ascending high temperature air current flow outside after the vortex of heat conductor 7 to reduce the adverse effect of high temperature air current to power driver 6.

Through setting up two sets of light sources, wherein first light source subassembly is used for the low-angle illumination, and the second light source subassembly is used for the wide-angle illumination to can satisfy more diversified lighting requirements. By arranging the light guide component, the irradiation angle of the light of the first light source component can be more accurate; the light of the second light source component is more uniform and soft, and the occurrence of uneven annular light bands is prevented.

In this embodiment, the illumination lamps and lanterns are a section of thick bamboo and penetrate integrative lamp, and first light source subassembly plays the effect of shot-light source, and the second light source subassembly plays the effect of down lamp light source. Of course, the lighting device of the present invention can also be made into various forms such as ceiling lamp, floor lamp, desk lamp, wall lamp, etc.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.

Claims (10)

1. The lighting lamp comprises a shell, a light source and a power driver, and is characterized in that the light source comprises a first light source and a second light source, the first light source and the second light source are both arranged on the shell, the power driver is arranged at the rear end of the shell, a groove is formed in the rear end of the shell, and a heat conductor is arranged at an opening of the groove.

2. The light fixture of claim 1, wherein the heat conductor comprises an annular wall, a plurality of upper ribs and a plurality of lower ribs surrounding the annular wall, wherein adjacent upper ribs define upper notches therebetween and adjacent lower ribs define lower notches therebetween, and wherein adjacent upper and lower notches are in communication with one another.

3. A light fixture as recited in claim 2, wherein adjacent ones of said upper ribs and said lower ribs are horizontally offset from one another, and wherein an end of said upper rib that is connected to said annular wall and an end of said lower rib that is connected to said annular wall are vertically offset from one another.

4. A light fixture as recited in claim 3, wherein said lower notch faces said upper rib in a vertical direction.

5. A light fixture as recited in claim 1, wherein a heat sink is disposed in said recess.

6. The light fixture of claim 5, wherein the housing includes a bottom wall, an inner sidewall, a step wall, and an outer sidewall, the inner sidewall connecting the bottom wall and the step wall, the step wall connecting the inner sidewall and the outer sidewall, an end of the inner sidewall, the step wall, and the outer sidewall proximate the bottom wall forming the recess.

7. The light fixture of claim 6 wherein the heat sink is connected to the inner sidewall, the step wall, and the outer sidewall.

8. The light fixture of claim 6 wherein the first light source is mounted to an inner surface of the bottom wall and the second light source is mounted to an inner surface of the step wall.

9. The lighting fixture of claim 6, wherein the heat conductor has a positioning notch, and the housing has a positioning protrusion engaged with the positioning notch.

10. The light fixture of claim 1 wherein the heat conductor is sandwiched between the housing and the power driver.

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