CN222122979U

CN222122979U - Lighting anti-glare down lamp

Info

Publication number: CN222122979U
Application number: CN202420448065.1U
Authority: CN
Inventors: 庄朝辉; 邓志平
Original assignee: Rayconn Electronics Co Ltd
Current assignee: Rayconn Electronics Co Ltd
Priority date: 2024-03-08
Filing date: 2024-03-08
Publication date: 2024-12-06
Anticipated expiration: 2034-03-08

Abstract

The utility model provides an illumination anti-glare down lamp which comprises a lamp body part, a lamp shell and a face cover, wherein an opening of the lamp shell is enlarged from top to bottom, the lamp shell comprises an upper part and a lower part, the upper part is connected with the lower part, the face cover is arranged in the lamp shell and is connected with the top wall of the lower part of the lamp shell, a light source part is arranged on the top wall of the upper part of the lamp shell, an optical part is arranged in the upper part of the lamp shell and is contacted with the light source part, the optical part is used for reflecting and refracting light rays emitted by the light source part, and the face cover covers the optical part.

Description

Lighting anti-glare down lamp

Technical Field

The utility model mainly relates to the technical field of electronic lamps, in particular to an illumination anti-glare down lamp.

Background

The anti-glare down lamp is a directional lighting lamp embedded into a ceiling, key lighting and auxiliary lighting can be achieved in a main lamp-free lighting space, the anti-glare down lamp adopts a deep barrel anti-glare design, a high-quality light source is adopted, light is soft and not dazzling, the prior patent application number is 202320242049.2, a pull ring is pulled, and the pull ring drives a connecting rod to rotate upwards through a fixing ring on a connecting rope, so that the connecting rod can be driven to rotate towards a state approaching to the vertical state outside, the fixation of a down lamp main body can be relieved, the down lamp main body is taken down from the ceiling, the disassembly is convenient, the damage to the ceiling caused by violent disassembly can be avoided, and the use is convenient.

Referring to GB50034-2013, for a unified glare value (UGR) calculation method, when the light emitting area of a lamp is 0.005m2< S <1.5m2, the unified glare value (UGR) theoretical calculation formula is:

Wherein: -background brightness (cd/m 2);

-a solid angle (sr) formed by each luminaire lighting portion to the eyes of the observer;

-the brightness of the luminaire in the direction of the observer (cd/m 2);

P-the position index of each luminaire;

In summary, the luminous flux and the light-emitting angle of the light-emitting opening of the lamp have influence on the glare value (UGR) of the lamp, and the larger the high flux is, the higher the anti-glare value is, and the larger the light-emitting angle is, the higher the anti-glare value is.

Most of the existing indoor LED down lamps (with luminous surfaces within 0.025m 2) cannot realize low glare values under the premise of high luminous flux and large light-emitting angles, and most of the existing indoor LED down lamps (with luminous surfaces within 0.025m 2) realize low glare values (UGR < 19) by adopting low luminous flux (within 2000 lm) or small light-emitting angles (below 55 ℃).

Disclosure of utility model

In order to solve the problems in the background art, the utility model provides an illumination anti-glare down lamp.

The utility model adopts the following technical scheme that the anti-glare down lamp comprises

The lamp body part comprises a lamp shell and a face cover, wherein an opening of the lamp shell is enlarged from top to bottom, the lamp shell comprises an upper part and a lower part, the upper part is connected with the lower part, and the face cover is arranged in the lamp shell and is connected with the top wall of the lower part of the lamp shell;

A light source part disposed at an upper top wall of the lamp housing;

And the optical part is arranged in the upper part of the lamp housing, is contacted with the light source part, and is used for reflecting and refracting the light rays emitted by the light source part, and the surface cover covers the optical part.

Preferably, the cross-sectional shape of the upper part and the cross-sectional shape of the lower part of the lamp housing are large trapezoids, wherein the upper part is connected with the top of the lower part.

Preferably, the upper portion of the lamp housing has a smaller cross-sectional shape than the lower portion thereof.

Preferably, the optical portion includes an LED light source and a light source bracket, the LED light source is disposed on an upper top wall of the lamp housing, the light source bracket is fixed on the upper top wall of the lamp housing by a screw, and the light source bracket fixes the LED light source to contact with the upper top wall of the lamp housing.

Preferably, the LED light source is square, wherein a positive electrode plate and a negative electrode plate are arranged at a group of diagonal positions, and an arc-shaped groove matched with the light source bracket is arranged at another group of diagonal positions.

Preferably, the optical part comprises a light reflecting cup and an optical microstructure film, the light reflecting cup is arranged in the upper part of the lamp housing, the upper end of the light reflecting cup is connected with the lower end of the light source support, the light reflecting cup is used for reflecting light irradiated by the LED light source, the microstructure film is connected with the lower end opening of the light reflecting cup, and the microstructure film is used for refracting the light reflected by the light reflecting cup.

Preferably, the inner wall of the reflecting cup is arranged in a micro arc shape and is used for reflecting light rays at different angles.

Preferably, the micro-structure film covers the opening at the lower end of the reflecting cup, and the micro-structure film is arranged on the upper end face of the face cover.

Preferably, the middle part of the surface cover is hollow, and the middle part of the microstructure film corresponds to the hollow part of the surface cover.

Preferably, the mounting brackets are symmetrically arranged on the outer wall of the lamp housing, and the mounting brackets are used for mounting the lamp.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model realizes the reflection and refraction of light rays through the cooperation of the upper part and the lower part of the lamp housing and the light source and the optical part arranged in the lamp housing, realizes the control of the light emitting angle through the reflection and refraction principle of the light rays, can greatly reduce the loss of luminous flux in the light control process, and can further realize the anti-dazzle barrel with high luminous flux and large light emitting angle.

The utility model adopts the electroplating reflecting cup with high reflecting efficiency and the clear and high transparent micro-structure film in the reflecting and refracting process, and achieves the micro-adjustment and control of the light emitting angle through the cooperation of the reflecting cup and the micro-structure film.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an overall junction explosion of the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of the present utility model;

fig. 4 is a schematic view of an LED light source according to the present utility model.

In the figure, 1 part of a lamp body, 11 parts of a lamp housing, 12 parts of a surface cover, 13 parts of a mounting bracket, 2 parts of a light source, 21 parts of a CO-LED light source, 22 parts of a light source bracket, 3 parts of an optical part, 31 parts of a reflecting cup, 32 parts of a micro-structural film.

Detailed Description

In order to facilitate an understanding of the utility model, a more complete description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

Examples

Referring to FIGS. 1-4, an illumination anti-glare down lamp comprises

A lamp body part 1, wherein an opening of the lamp body 11 is enlarged from top to bottom, the lamp body part 1 comprises an upper part and a lower part, the upper part is connected with the lower part, and the surface cover 12 is arranged in the lamp body 11 and is connected with the top wall of the lower part of the lamp body 11;

A light source portion 2, the light source portion 2 being provided at an upper portion top wall of the lamp housing 11;

The optical part 3 is arranged in the upper part of the lamp housing 11, the optical part 3 is in contact with the light source part 2, the optical part 3 is used for reflecting and refracting light rays emitted by the light source part 2, the surface cover 12 covers the optical part 3, the reflection and refraction of the light rays are realized through the cooperation of the upper part, the lower part and the light source and the optical part 3 which are arranged in the lamp housing 11, the control of the light emitting angle is realized through the reflection and refraction principle of the light rays, the loss of luminous flux in the light control process can be greatly reduced, and the anti-dazzle barrel with high luminous flux and large luminous angle can be further realized.

Referring to fig. 1-3, the cross-sectional shape of the upper portion of the lamp housing 11 and the cross-sectional shape of the lower portion thereof are large trapezoids, wherein the upper portion is connected to the top of the lower portion, the cross-sectional shape of the upper portion of the lamp housing 11 is smaller than the cross-sectional shape of the lower portion thereof, and the upper portion and the lower portion are connected through trapezoid shells with different sizes, so that the high luminous flux and the large luminous angle anti-dazzle barrel are improved.

Referring to fig. 2 and 3, the optical portion 3 includes an LED light source 21 and a light source support 22, the LED light source 21 is disposed on an upper top wall of the lamp housing 11, the light source support 22 is fixed on the upper top wall of the lamp housing 11 by a screw, the light source support 22 fixes the LED light source 21 to contact with the upper top wall of the lamp housing 11, referring to fig. 4, the LED light source 21 is square, one set of diagonal positions are provided with a positive electrode plate and a negative electrode plate, the other set of diagonal positions are provided with arc grooves matched with the light source support 22, the LED light source 21 is fixed on the top of the lamp housing 11 by the light source support 22, the LED light source 21 is positioned and mounted by the arc grooves, so that the positive electrode plate and the negative electrode plate of the LED light source 21 are connected with the electrode plates correspondingly connected with the electrode plates, the conductive electrode plates can be disposed on the light source support 22, and the electrode plates are communicated with an external power line, wherein the LED light source 21 is a COB-LED light source.

Referring to fig. 2 and 3, the optical portion 3 includes a reflective cup 31 and an optical micro-structural film 32, the reflective cup 31 is disposed in an upper portion of the lamp housing 11, an upper end of the reflective cup 31 is connected with a lower end of the light source support 22, the reflective cup 31 is configured to reflect light irradiated by the LED light source 21, the micro-structural film 32 is connected with an opening at a lower end of the reflective cup 31, the micro-structural film 32 is configured to refract light reflected by the reflective cup 31, an inner wall of the reflective cup 31 is configured to be micro-arc and configured to reflect light at different angles, the micro-structural film 32 covers the opening at the lower end of the reflective cup 31, the micro-structural film 32 is disposed on an upper end surface of the cover 12, a middle portion of the cover 12 is hollow, a middle portion of the micro-structural film 32 corresponds to the hollow portion of the cover 12, an electroplated reflective cup 31 with high reflection efficiency is adopted in a reflection and refraction process, and a clear and high transparent micro-structural film 32 is used in cooperation with the reflective cup 31, so as to achieve micro-adjustment and control of a light emitting angle.

Referring to fig. 1 and 2, the outer wall of the lamp housing 11 is symmetrically provided with mounting brackets 13, the mounting brackets 13 are used for mounting the lamp, and the integral lamp is fixedly mounted through the mounting brackets 13.

The implementation principle of the illumination anti-glare down lamp provided by the embodiment of the utility model is as follows:

The indoor LED down lamp (the luminous surface is within 0.025m 2), the control of the light emitting angle is realized by the reflection and refraction principle of light, the electroplating reflecting cup 31 with high reflection efficiency and the clear and high-transparent microstructure film 32 are adopted in the process of realizing reflection and refraction, and the loss of luminous flux in the light control process is greatly reduced. Therefore, an optimal balance point (55-60 degrees and UGR < 19) can be found in the selection of the light-emitting angle and the anti-dazzle value, and the anti-dazzle down lamp with high luminous flux and large light-emitting angle can be further realized.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. An illumination anti-glare down lamp is characterized by comprising

The lamp comprises a lamp body part (1), a lamp housing (11) and a face cover (12) of the lamp body part (1), wherein an opening of the lamp housing (11) is enlarged from top to bottom, the lamp housing (11) comprises an upper part and a lower part, the upper part is connected with the lower part, and the face cover (12) is arranged in the lamp housing (11) and is connected with the top wall of the lower part of the lamp housing (11);

A light source portion (2), the light source portion (2) being provided at an upper portion top wall of the lamp housing (11);

An optical portion (3), the optical portion (3) is arranged in the upper portion of the lamp housing (11), the optical portion (3) is in contact with the light source portion (2), the optical portion (3) is used for reflecting and refracting light rays emitted by the light source portion (2), and the face cover (12) covers the optical portion (3).

2. An illuminated anti-glare down lamp in accordance with claim 1, wherein the upper portion of the envelope (11) has a cross-sectional shape that is substantially trapezoidal with the cross-sectional shape of the lower portion thereof, wherein the upper portion is connected to the top of the lower portion.

3. An illuminated anti-glare down lamp as in claim 2, wherein the upper portion of the envelope (11) has a smaller cross-sectional shape than the lower portion thereof.

4. An illumination anti-glare down lamp as in claim 3, wherein the optical portion (3) comprises an LED light source (21) and a light source bracket (22), the LED light source (21) is disposed on an upper top wall of the lamp housing (11), the light source bracket (22) is fixed on the upper top wall of the lamp housing (11) by screws, and the light source bracket (22) fixes the LED light source (21) in contact with the upper top wall of the lamp housing (11).

5. The illumination anti-glare down lamp of claim 4, wherein the LED light source (21) is square, wherein a positive electrode plate and a negative electrode plate are arranged at one set of diagonal positions, and an arc-shaped groove matched with the light source bracket (22) is arranged at the other set of diagonal positions.

6. An illuminated anti-glare down lamp as in claim 4, wherein the optical portion (3) comprises a reflector cup (31) and an optical microstructured film (32), wherein the reflector cup (31) is disposed in an upper portion of the lamp housing (11) and has an upper end connected to a lower end of the light source holder (22), the reflector cup (31) is configured to reflect light emitted from the LED light source (21), the microstructured film (32) is connected to an opening in a lower end of the reflector cup (31), and the microstructured film (32) is configured to refract light reflected from the reflector cup (31).

7. The illumination anti-glare down lamp of claim 6, wherein the inner wall of the reflector cup (31) is slightly curved for reflecting light at different angles.

8. The illumination anti-glare down lamp of claim 7, wherein the micro-structure film (32) covers the lower opening of the reflecting cup (31), and the micro-structure film (32) is arranged on the upper end surface of the face cover (12).

9. The illumination anti-glare down lamp of claim 8, wherein the middle portion of the cover (12) is hollow, and the middle portion of the microstructure film (32) corresponds to the hollow of the cover (12).

10. An illumination anti-glare down lamp according to any one of claims 1 to 9, wherein the outer wall of the lamp housing (11) is symmetrically provided with mounting brackets (13), and the mounting brackets (13) are used for mounting a lamp.