CN217603959U

CN217603959U - Thin anti-dazzle down lamp

Info

Publication number: CN217603959U
Application number: CN202221913556.6U
Authority: CN
Inventors: 陈小棉; 曹永�; 廖仲文; 曹蓉
Original assignee: Xiwannian Guangzhou Lighting Co ltd
Current assignee: Xiwannian Guangzhou Lighting Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-10-18
Anticipated expiration: 2032-07-21

Abstract

The application belongs to the technical field of down lamps, and relates to a thin anti-glare down lamp which comprises a shell with an opening at the bottom, wherein an LED light source plate is embedded in the shell; the lower surface of the LED light source plate is provided with a plurality of LED light source groups which are arranged along the circumferential direction of the LED light source plate; an optical lens is arranged on one side, away from the LED light source plate, of the LED light source group, and the optical lens comprises a plurality of lens units corresponding to the LED light source group; the lens unit covers and is arranged on the corresponding LED light source group to gather light refracted by the LED light source group, and one side of the lens unit close to the LED light source plate is concave inwards to form a groove for accommodating the LED light source group. The lighting device has the effects of uniform illumination, small glare and thinness.

Description

Thin anti-dazzle down lamp

Technical Field

The application relates to the field of lighting lamps, in particular to a thin anti-dazzle down lamp.

Background

With the continuous progress and development of lighting technology, the requirements of people on lighting lamps are not only limited to whether lighting can be performed or not, but also the quality requirements on lighting light are higher and higher, and the lighting lamps are particularly applied to places such as hotels, museums, high-end clubs and the like. The existing down lamp is easy to have glare phenomenon.

Glare, which is the visual discomfort caused by the unfavorable brightness distribution or the extreme brightness contrast in space or time, is easy to make the human body feel dizzy and even temporarily blindness, and cause harm to human eyes.

In order to reduce glare, in the prior art, a diffusion cover and a reflection cup are usually arranged in a down lamp structure, or a mode of combining the reflection cup with an anti-glare cover is adopted, and the reflection cup with a certain depth is used for controlling light distribution and deeply storing a light source, so that the effect of small glare is achieved.

However, the phenomenon that the light intensity of the central part is large and the light intensity of the peripheral part is small is easy to occur when the light reflecting cup is used for controlling light distribution, so that the problem of uneven illumination of the illumination surface is caused.

SUMMERY OF THE UTILITY MODEL

In order to promote the homogeneity of illumination surface illuminance, this application provides a slim anti-dazzle down lamp.

The application provides a slim anti-dazzle down lamp adopts following technical scheme:

a thin anti-glare down lamp comprises a shell with an opening at the bottom, wherein an LED light source plate is embedded in the shell; the lower surface of the LED light source plate is provided with a plurality of LED light source groups which are arranged along the circumferential direction of the LED light source plate;

an optical lens is arranged on one side, away from the LED light source plate, of the LED light source group, and the optical lens comprises a plurality of lens units corresponding to the LED light source group; the lens unit covers and is arranged on the corresponding LED light source group to gather light refracted by the LED light source group, and one side of the lens unit close to the LED light source plate is concave inwards to form a groove for accommodating the LED light source group.

By adopting the technical scheme, the LED light source group emits light in the lens unit, the light passes through the lens unit and is refracted to achieve the purpose of converging the light, the light distribution curve of the LED light source group is controlled by utilizing the plurality of lens units, so that the light distribution curve achieves the required angle and the effect of controlling glare, and the optical lens can control the light distribution curve higher, so that the illumination is more uniform, the glare is smaller, and the phenomena of larger light intensity of the central part and non-uniform illumination of an illumination surface cannot occur.

Optionally, a face frame matched with the opening of the shell is embedded at the opening of the shell; a reflecting cup used for reducing messy astigmatism is arranged between the optical lens and the face frame; the top end and the bottom end of the reflection cup are respectively abutted with the bottom surface of the optical lens and the top wall of the face frame.

Through adopting above-mentioned technical scheme, the reflection of light cup that the cover was established on optical lens can assist and eliminate remaining a small amount of stray light, further promotes the effect that reduces the glare. And the reflective cup of this application can reach anticipated effect at lower height for the height of the reflective cup of this application is shorter, and the whole height of lamps and lanterns is lower, can realize the slimming of lamps and lanterns, and the cost is lower.

Optionally, the optical lens comprises an illumination area and a connection area; the boundary of the connecting area and the illumination area extends downwards to form a limiting strip; the opening at the top end of the light reflecting cup is sleeved on the limiting strip, and the inner wall of the opening is abutted to the periphery of the limiting strip.

Through adopting above-mentioned technical scheme, anti-light cup is located spacing on and optical lens butt through the cover, can play the foolproof effect, is convenient for assemble the down lamp, and can promote the positioning accuracy of anti-light cup's installation, the phenomenon of emergence offset when having avoided anti-light cup to install.

Optionally, a locking member is arranged between the face frame and the housing to realize detachable fixed connection between the face shell and the housing.

Through adopting above-mentioned technical scheme, will realize through locking that the face-piece is connected with dismantling of shell, be convenient for accomplish the equipment, the maintenance of down lamp, promote the practicality of down lamp.

Optionally, a plurality of continuously arranged squama-shaped reflecting structures are distributed on the inner surface of the reflecting cup.

Through adopting above-mentioned technical scheme, squama form reflective structure can play the effect of supplementary refraction light to further reduce mixed and disorderly astigmatism.

Optionally, the housing is a radiator housing, and a plurality of cooling fins are uniformly arranged on the outer surface of the radiator housing along the circumferential direction.

Through adopting above-mentioned technical scheme, utilize the fin can effectively reduce the luminous heat that produces of down lamp to avoided influencing its luminous efficacy because the operating temperature of down lamp is too high, and avoided the down lamp to receive high fever harm, thereby prolonged the life of down lamp.

Optionally, the LED light source set includes 1 or several LEDs to configure different power and illumination requirements.

Through adopting above-mentioned technical scheme, can be according to operational environment and different power requirements, change the illumination intensity of down lamp through placing the LED of different quantity, and then change the light output effect of down lamp.

Optionally, the optical lens is integrally formed.

Through adopting above-mentioned technical scheme, can promote optical lens's quality stability for the size of each lens unit on optical lens is close and more stable, thereby makes optical lens can control the grading curve better, further promotes the homogeneity of illumination illuminance.

To sum up, the application comprises the following beneficial technical effects:

1. the light distribution curve of the LED light source group is controlled through the plurality of lens units on the optical lens, so that the light distribution curve can be better controlled, the illumination intensity is more uniform, and the glare is smaller;

2. by utilizing the form that the optical lens is matched with the reflecting cup, the anti-dazzle effect can be achieved under the condition that the height of the reflecting cup is lower, so that the overall height of the down lamp is lower, the thinning of the lamp is realized, the manufacturing cost is greatly reduced, and the anti-dazzle down lamp has higher economic benefit;

3. the LED light source group can be configured with different numbers of LEDs, the effect of configuring different powers and illumination output is achieved, and the LED light source group has high practicability.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an exploded view from another angle of fig. 1.

Fig. 4 is a schematic structural view of an optical lens.

Description of the reference numerals: 1. a housing; 11. a heat sink; 12. an annular clamp groove; 2. an LED light source plate; 21. an LED light source group; 3. an optical lens; 31. a lens unit; 32. a placement groove; 33. an illumination area; 34. a connecting region; 341. a limiting strip; 4. a light-reflecting cup; 41. a squama-like light-reflecting structure; 5. a face frame; 51. and a limiting edge.

Detailed Description

The present application is described in further detail below.

The embodiment of the application discloses slim anti-dazzle down lamp, refer to fig. 1, including open shell 1 in bottom, combine fig. 2, the embedded LED light source board 2 that is equipped with of shell 1, LED light source board 2 is close to open one side of shell 1 and is provided with optical lens 3, anti-light cup 4 and face frame 5 in proper order, and optical lens 3, anti-light cup 4, face frame 5 stack in proper order and mutually butt.

The shell 1 is a radiator shell 1 and is in a shell shape with an opening at the bottom, and a plurality of radiating fins 11 are uniformly arranged on the outer surface of the shell 1 along the circumferential direction. The heat sink 11 is fixedly connected to the heat sink case 1.

The embedded LED light source board 2 that is equipped with of diapire inside the shell 1. The bottom wall of the interior of the housing 1 is recessed to form a mounting slot. The lateral wall of mounting groove is seted up along circumference and is supplied annular groove 12 of LED light source board 2 embedding. And a sealing ring is arranged between the LED light source plate 2 and the annular clamping groove 12. The sealing ring is sleeved on the periphery of the LED light source plate 2 and is embedded into the annular clamping groove 12.

The lower surface of the LED light source plate 2 is provided with a plurality of LED light source groups 21 which are uniformly arranged along the circumferential direction of the LED light source plate 2. Each LED light source group 21 comprises 1 or several LEDs. In this embodiment, the power of the down lamp is 20W, that is, 2 LEDs are placed in each LED light source group 21. In the in-service use process, can place the illumination intensity and the output power of different quantity LED in order to change down lamp according to operational environment and different power requirements.

One side of the LED light source group 21 departing from the LED light source plate 2 is covered with an optical lens 3. Referring to fig. 3, the optical lens 3 is in a circular plate shape, a concave side near the LED light source board 2 forms a placement groove 32 matched with the LED light source board 2, and the LED light source board 2 is placed in the placement groove 32 and attached to the optical lens 3.

Referring to fig. 4, the optical lens 3 includes a plurality of lens units 31 corresponding to the LED light source group 21. The lens unit 31 is in a convex lens shape protruding downwards, one side of the lens unit close to the LED light source board 2 is concave to form a groove, and the lens unit 31 is covered on the corresponding LED light source group 21 through the groove. The optical lens 3 is integrally formed to improve the quality stability of the lens unit 31. The light emitted by the LED light source group 21 is converged by the lens unit 31, and the light distribution curve of the LED light source group 21 is controlled, thereby achieving the effects of reducing glare and ensuring uniform illumination.

Referring back to fig. 3, a face frame 5 matching with the opening of the housing 1 is embedded at the opening of the housing 1. The face frame 5 is circular ring-shaped, and the lock is arranged at the opening of the shell 1, and a locking piece is arranged between the face frame 5 and the shell 1. Specifically, the locking member can be a locking bolt or a spring buckle. In this embodiment, the locking member is a locking bolt, a plurality of mounting holes with uniform intervals are formed in the circumferential direction of the housing 1, and the locking bolt penetrates through the mounting holes to be in threaded connection with the face frame 5.

Referring to fig. 4, the optical lens 3 includes an illumination area 33 and a connection area 34. The lens unit 31 is located in an illumination area 33, and the periphery of the illumination area 33 is a connection area 34. The boundary between the connection region 34 and the illumination region 33 extends downward to form a stopper 341. The top end of the stopper 341 is fixedly connected to the bottom surface of the optical lens 3. The lens unit 31 is not disposed in the center of the illumination region 33 to further prevent the phenomenon that the light intensity of the central portion is large.

Referring back to fig. 3, a reflector cup 4 is installed between the optical lens 3 and the face frame 5. Anti-light cup 4 is both ends through the open-ended cup, closes up gradually near the one end of optical lens 3, top and optical lens 3's bottom surface butt, the top wall butt of bottom and face frame 5. The opening at the top end of the reflection cup 4 is sleeved on the limit strip 341, and the inner wall of the opening is abutted against the periphery of the limit strip 341.

A limit edge 51 is fixed on one side of the face frame 5 close to the reflecting cup 4. The limiting edge 51 is annular, and the periphery of the bottom of the reflective cup 4 is attached to the inner annular side wall of the limiting edge 51, so that the reflective cup 4 is prevented from deviating and is convenient to assemble. A plurality of continuously arranged scale-shaped reflecting structures 41 are distributed on the inner surface of the reflecting cup 4.

The implementation principle of a thin anti-glare down lamp of the embodiment of the application is as follows: referring to fig. 2, the LEDs in the LED light source group 21 emit light, and the light is refracted by the plurality of lens units 31 of the optical lens 3 to achieve the desired angle and glare control effect, and the remaining small amount of stray light is absorbed by the scaly reflecting structure 41 of the reflecting cup 4 and then passes through the bezel 5, so as to obtain light with uniform illumination and small glare. When different power and light output effects need to be configured, the number of LEDs in the LED light source group 21 is changed.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A thin anti-dazzle down lamp is characterized in that: comprises a shell (1) with an opening at the bottom, wherein an LED light source plate (2) is embedded in the shell (1); the lower surface of the LED light source plate (2) is provided with a plurality of LED light source groups (21) which are arranged along the circumferential direction of the LED light source plate (2);

an optical lens (3) is arranged on one side, away from the LED light source plate (2), of the LED light source group (21), and the optical lens (3) comprises a plurality of lens units (31) corresponding to the LED light source group (21); the lens units (31) are covered on the corresponding LED light source groups (21) to collect light refracted by the LED light source groups (21), and one side, close to the LED light source plate (2), of each lens unit (31) is concave inwards to form a groove for accommodating the LED light source groups (21).

2. A thin anti-glare downlight according to claim 1, wherein: a face frame (5) matched with the opening of the shell (1) is embedded at the opening of the shell (1); a reflective cup (4) for reducing messy astigmatism is arranged between the optical lens (3) and the face frame (5); the top end and the bottom end of the reflection cup (4) are respectively abutted with the bottom surface of the optical lens (3) and the top wall of the face frame (5).

3. A thin anti-glare down lamp according to claim 2, wherein: the optical lens (3) comprises an illumination zone (33) and a connection zone (34); a limit strip (341) is formed by extending downwards at the boundary of the connecting area (34) and the illumination area (33); the opening at the top end of the reflection cup (4) is sleeved on the limiting strip (341), and the inner wall of the opening is abutted against the periphery of the limiting strip (341).

4. A thin anti-glare downlight according to claim 3, wherein: a locking piece is arranged between the face frame (5) and the shell (1) so as to realize the detachable fixed connection of the face shell and the shell (1).

5. A thin anti-glare downlight according to claim 3, wherein: and a plurality of continuously arranged squama-shaped reflecting structures (41) are distributed on the inner surface of the reflecting cup (4).

6. A thin anti-glare downlight according to claim 1, wherein: the shell (1) adopts a radiator shell (1), and a plurality of radiating fins (11) are uniformly arranged on the outer surface of the radiator shell (1) along the circumferential direction.

7. A thin anti-glare downlight according to claim 1, wherein: the LED light source group (21) comprises 1 or a plurality of LEDs so as to configure different power and illumination requirements.

8. A thin anti-glare downlight according to claim 1, wherein: the optical lens (3) is integrally formed.