CN219198986U - LED lamp for preventing glare - Google Patents

Abstract

The utility model relates to an LED lamp for anti-glare, which comprises a rectangular lamp panel and at least one light source component arranged on the lamp panel, wherein the light source component comprises an aluminum substrate, a plurality of LED lamp beads arranged at the bottom of the aluminum substrate at intervals, and a radiator arranged at the top of the aluminum substrate, the bottom of the aluminum substrate is also provided with lenses which are covered on the LED lamp beads and are in one-to-one correspondence with the LED lamp beads and reflective cups covered on the lenses, the lenses are used for adjusting the beam line angle of the LED lamp beads, the distance L1 of the lenses extending to the inside of the reflective cups through openings of the reflective cups is 0.2-0.8 times of the height value L2 of the reflective cups, the bottom of the lenses is provided with a convex surface, the thickness value L3 of the convex surface is 0.2-0.5 times of the distance L1 of the lenses extending to the inside of the reflective cups, and the included angle between the inner wall of a cup body of the reflective cup and the two bottoms of the openings of the reflective cups is theta, and theta is more than or equal to or less than 80 degrees. The utility model has the advantages of accurately controlling stray light and improving anti-glare performance.

Description

LED lamp for preventing glare

Technical Field

The utility model relates to the related technical field of LED lamps, in particular to an LED lamp for preventing glare

Background

In the current society, the LED (light emitting diode) has the advantages of low power consumption, small volume, high response speed, long service life, easy dimming and color mixing, energy conservation, environmental protection and the like, and is deeply favored by vast practitioners. The LED panel lamp is a form of an LED lamp, and is a high-grade indoor lighting lamp, and the light source adopts LEDs, so that the LED lamp has a good lighting effect. The LED panel lamp is unique in design, the LED light source forms uniform plane light after passing through the light guide plate with high transmittance, the illumination uniformity is good, the light is soft and comfortable, the brightness is not lost, and the eye fatigue is effectively caused in the link.

Along with the rising of the LED panel lamps, the corresponding problems of the existing LED panel lamps are also generated, for example, the LED panel lamps widely have certain problems, such as glare caused by the LED panel lamps, so that UGR (a psychological parameter for measuring uncomfortable subjective reaction of light emitted by a lighting device in an indoor visual environment to human eyes) has a large value, so that discomfort of human eyes is caused, UGR is mainly caused by stray light of 60 degrees to 90 degrees, the existing LED anti-glare panel lamps all adopt a side light emitting principle, an LED light source is arranged on the side surface of a light guide plate, the light guide plate guides light out through a diffusion film and a diamond-shaped diffusion plate, the existing anti-glare LED panel lamps have the following defects, the light guide plate and a special diffusion film and diffusion plate are high in cost, the existing anti-glare LED panel lamps scatter light out through the diffusion film and the diamond-shaped diffusion plate, the effect is poor, and the stray light is easy to be shielded, so that how to ensure the refraction angle of the light is precisely controlled and reduce the scattered stray light so that the UGR is less than 19 to improve the anti-glare performance is a problem required to be considered by technicians in the field.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lamp capable of accurately controlling the refraction angle of light rays, reducing scattered stray light and improving anti-glare performance.

In order to achieve the above-mentioned objective, the present utility model provides an anti-glare LED lamp, which comprises a rectangular lamp panel and at least one light source assembly mounted on the lamp panel;

the light source assembly comprises an aluminum substrate, a plurality of LED lamp beads arranged at intervals at the bottom of the aluminum substrate, and a radiator arranged at the top of the aluminum substrate, wherein the bottom of the aluminum substrate is also provided with lenses which are covered on the LED lamp beads and correspond to the LED lamp beads one by one and reflective cups which are covered on the lenses, the lenses are used for adjusting the beam line angle of the LED lamp beads, the distance L1 from the opening of each reflective cup to the inside of each reflective cup is 0.2-0.8 times of the height value L2 of each reflective cup, the bottom of each lens is provided with a convex surface, the thickness value L3 of each convex surface is 0.2-0.5 times of the distance L1 from the lens to the inside of each reflective cup, and the included angle theta between the inner wall of each cup body of each reflective cup and the two bottoms of each reflective cup opening is equal to or less than or equal to 80 degrees.

The technical scheme of the utility model also comprises the following steps: the cross-sectional area of the first opening of the reflecting cup in the vertical direction is S1, the cross-sectional area of the second opening is S2, and the ratio of S1 to S2 is at least 0.4-0.6.

The technical scheme of the utility model also comprises the following steps: the included angle between the beam line refracted by the side wall of the reflecting cup and the central axis of the opening I and/or the opening II is beta, and beta is more than or equal to 10 degrees and less than or equal to 14 degrees.

The technical scheme of the utility model also comprises the following steps: the lens comprises a mounting part and a lens body integrally formed on the mounting part;

the mounting part of the lens is connected and fixed on the aluminum substrate in one mode of screw connection, bonding and clamping.

The technical scheme of the utility model also comprises the following steps: the light reflecting cup comprises a conical cup body, and the two ends of the cup body in the vertical direction are respectively provided with the first opening and the second opening;

the second opening extends outwards in the circumferential direction and is provided with a flanging mounting plate.

The technical scheme of the utility model also comprises the following steps: the axis lines of the first opening and the second opening are arranged in a collinear manner;

the lens and/or the reflecting cup are made of plastic materials or glass materials.

The technical scheme of the utility model also comprises the following steps: the two longitudinal end parts of the light source assembly are also provided with plug covers;

the plug cover is used for connecting and fixing the aluminum substrate, the lens and the reflecting cup on the radiator.

The technical scheme of the utility model also comprises the following steps: the radiator comprises a strip-shaped radiating bottom plate and two radiating side plates which are oppositely arranged;

the bottom of the heat dissipation bottom plate is also provided with a clamping groove I for installing the aluminum substrate,

and a clamping groove II for installing the reflecting cup is formed in the bottom of the radiating side plate.

The technical scheme of the utility model also comprises the following steps: the side part of the radiating side plate is also provided with a clamping groove III;

the lamp panel is provided with an installation groove for installing the light source assembly at the bottom, and a clamping block which is in three-phase fit with the clamping groove is arranged in the installation groove.

The technical scheme of the utility model also comprises the following steps: the lamp panel is also provided with at least one mounting piece at the top; and at least one external interface is also arranged on the light source component.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides an anti-dazzle LED lamps and lanterns, including the lamp panel and install the light source subassembly on the lamp panel, wherein, the light source subassembly includes the aluminium base board, LED lamp pearl and radiator, through be provided with the lens with LED lamp pearl one-to-one in aluminium base board bottom, the light beam line that LED lamp pearl shines out is controlled, then, the reflection cup that the rethread set up on the lens will be controlled by the lens and shine out the light beam line and carry out the angle modulation, the lens is through the opening of reflection cup one extend to the inside distance L1 of reflection cup for the 0.2 times ~ 0.8 of reflection cup height value L2, insert the appropriate position department of reflection cup inside promptly the lens, make the illumination effect of LED lamp pearl reach the optimal position, the light beam line that the LED lamp pearl shined through the lens is sheltered by the lateral wall of reflection cup too much, the lens bottom is provided with the convex surface, the thickness value L3 of convex surface is 0.2 ~ 0.5 times of the distance L1 that the lens extends to the reflection cup interior, make the light beam line that LED lamp pearl shined out on the reflection cup more concentrate, reduce the parasitic light production. And the included angle between the inner wall of the cup body of the reflecting cup and the second bottom of the opening of the reflecting cup is theta, theta is more than or equal to 40 degrees and less than or equal to 80 degrees, the beam line angle of the LED lamp beads is accurately controlled, the generation of stray light of 60 degrees to 90 degrees is reduced, and the anti-glare performance of the LED lamp is further improved.

Drawings

Fig. 1 is a schematic bottom view of an LED luminaire of the present application;

FIG. 2 is a schematic top view of an LED lamp of the present application;

FIG. 3 is an exploded view of an LED lamp of the present application;

FIG. 4 is an exploded view of a light source module according to the present application

FIG. 5 is a schematic view of a portion of the LED lamp of the present application;

FIG. 6 is a schematic perspective view of a lens structure of the present application;

FIG. 7 is a schematic perspective view of a light reflecting structure of the present application;

FIG. 8 is a schematic cross-sectional view of an LED lamp of the present application;

FIG. 9 is an enlarged partial schematic view of FIG. 8A;

FIG. 10 is a schematic cross-sectional view of another view of the LED lamp of the present application;

FIG. 11 is an enlarged partial schematic view of B in FIG. 10;

fig. 12 is a schematic diagram of an operating principle of the LED lamp in the present application;

FIG. 13 is a partial schematic view of C in FIG. 12;

fig. 14 is a schematic front view of a light source assembly of the present application.

In the figure:

1. a lamp panel; 11. a mounting groove; 111. a clamping block; 12. a mounting member; 2. a light source assembly; 21. an aluminum substrate; 22. LED lamp beads; 23. a heat sink; 231. a heat dissipation base plate; 2311. a clamping groove I; 232. a heat radiation side plate; 2321. a clamping groove II; 2322. a clamping groove III; 24. a lens; 241. a convex surface; 242. a mounting part; 243. a lens body; 25. a reflective cup; 251. an opening I; 252. an opening II; 2521. a mounting plate; 253. a cup body; 3. a plug cover; 4. an external interface; 5. a beam line.

Detailed Description

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

In the present specification, the terms "upper, lower, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

As shown in fig. 1-4, the embodiment provides an anti-glare LED lamp, which includes a rectangular lamp panel 1 and at least one light source assembly 2 mounted on the lamp panel 1, and as shown in fig. 1, two light source assemblies 2 are preferably mounted on the lamp panel 1, and the specific number of the light source assemblies can be increased or decreased according to practical situations. The light source assembly 2 includes an aluminum substrate 21, and a plurality of LED lamp beads 22 arranged at the bottom of the aluminum substrate 21 at intervals, and a radiator 23 arranged at the top of the aluminum substrate 21, wherein the radiator 23 is used for guiding out heat generated by the LED lamp beads 22 and prolonging the service life of the lamp, in the embodiment, the bottom of the aluminum substrate 21 is also provided with a lens 24 covered on the LED lamp beads 22 and corresponding to the LED lamp beads 22 one by one, and the light source assembly is used for controlling a light beam line 5 irradiated by the LED lamp beads 22 and has the effects of direct light emission, strong light transmittance, uniform light guiding and high light efficiency, meanwhile, a reflecting cup 25 is arranged on the lens 24 to cover the lens 24, so that the light beam line 5 irradiated by the lens 24 is controlled to be restrained for the second time, and the light emitting angle of the light beam line 5 is accurately controlled.

Specifically, as shown in fig. 5, the distance L1 that the lens 24 extends to the inside of the reflector cup 25 through the first opening 251 of the reflector cup 25 is 0.2-0.8 times the height L2 of the reflector cup 25, as a preferred embodiment of this embodiment, the distance L1 that the lens 24 extends to the inside of the reflector cup 25 is preferably 0.6-0.6 times the height L2 of the reflector cup 25, and the lens 24 is placed at a proper position of the reflector cup 25, so that the illumination effect of the LED lamp bead 22 in the lens 24 is optimal, and it is avoided that the lens 24 is located at a higher position of the reflector cup 25, so that the light beam 5 irradiated by the LED lamp bead 22 is blocked by the side wall of the reflector cup 25 too much, and if the lens 24 is located at a position too low in the reflector cup 25, the refraction effect of the light beam 5 by the reflector cup 25 is reduced, wherein the bottom of the lens 24 is provided with a convex surface 241, the thickness L3 of the convex surface 241 is preferably 0.2-0.5 times the distance L1 that the lens 24 extends to the inside of the reflector cup 25, and the thickness L3 of the convex surface 241 is preferably 0.3 times the distance L1 that the lens 24 extends to the inside of the reflector cup 25, so that the light beam 5 is concentrated on the LED lamp bead 25. The included angle between the inner wall of the cup body of the reflecting cup 25 and the bottom of the opening two 252 of the reflecting cup 25 is theta, and theta is more than or equal to 40 degrees and less than or equal to 80 degrees. In this embodiment, θ=60° is preferable to enable the reflector cup 25 to precisely control the angle of the beam line 5 of the LED lamp bead 22, reduce the generation of stray light from 60 ° to 90 °, enable UGR to be smaller than 19, and improve anti-glare performance. In this embodiment, the number of the lenses 24 and the reflective cups 25 is consistent with the number of the LED beads 22, so that the beam lines 5 of each LED bead 22 can be controlled twice through the lenses 24 and the reflective cups 25, stray light overflow is reduced, and anti-glare performance is improved.

Specifically, as shown in fig. 10, when the LED lamp beads 22 are energized, the irradiated beam lines 5 are first controlled at a certain angle by the lens, so that the beam lines 5 are relatively concentrated, and then the beam lines 5 are refracted and concentrated by the second constraint of the reflective cup 25 mounted outside the lens 24, so as to reduce the generation of stray light.

In this embodiment, the cross-sectional area of the first opening 251 of the reflective cup 25 in the vertical direction is S1, the cross-sectional area of the second opening 252 is S2, the ratio of S1 to S2 is at least 0.4-0.6, and in this embodiment, the ratio of S1 to S2 is preferably 0.5, so that the reflective cup 25 can more uniformly disperse the beam line 5 irradiated by the lens 24 onto the sidewall of the reflective cup 25, reduce the generation of stray light, improve the concentration effect of the beam line, and ensure the illumination intensity.

In this embodiment, the included angle between the beam line 5 refracted by the sidewall of the reflector cup 25 and the central axis of the first opening 251 and/or the second opening 252 is β, which is greater than or equal to 10 ° and less than or equal to 14 °, as shown in fig. 10, and β=12.5 ° is preferred in this embodiment, so that the beam line 5 is more concentrated after being refracted from the second opening 252 of the reflector cup 25, and the anti-glare performance is improved.

Referring to fig. 6, the lens 24 in the present embodiment includes a mounting portion 242 and a lens body 243 integrally located on the mounting portion 242, wherein the lens 24 is detachably mounted on the aluminum substrate 21 through the mounting portion 242, so as to facilitate replacement of lenses 24 with different specifications, and improve versatility, and in the present embodiment, the mounting portion 242 may be a strip-shaped plate or a rectangular frame, which is selected according to actual production conditions. In the present embodiment, the lens 24 is connected to the aluminum substrate 21 by bolts, which is a preferred embodiment of the present utility model, and the lens 24 and the aluminum substrate 21 may be connected and fixed by adhesion or clamping.

As shown in fig. 5, in this embodiment, the light reflecting cup 25 includes a cup 253 having a cone shape, the cup 253 is provided with a first opening 251 and a second opening 252 at two vertical ends, so that the lens 24 passes through the first opening 251 and enters the cup 253 of the light reflecting cup 25, that is, the LED lamp beads 22 wrapped by the lens 24 can also enter the cup 253 of the light reflecting cup 25, so that the light beam lines 5 of the LED lamp beads 22 pass through the lens 24 and are further refracted into the cup 253 of the light reflecting cup 25 by the lens 24, the second opening 252 is convenient for projecting the light beam lines 5 refracted by the lens 24 out through the second opening 252, thereby realizing the lighting function of the lamp, and the second opening 252 extends outwards in the circumferential direction to form a folded edge mounting plate 2521. Wherein the reflector cup 25 is fixedly connected with the lens 24 through a mounting plate 2521.

The axes of the first opening 251 and the second opening 252 are arranged in a collinear manner, that is, the axes of the first opening and the second opening are positioned at the same position, so that the refraction angle and illumination uniformity of the light beam line 5 are ensured, and the generation of stray light is reduced.

In this application, as shown in fig. 3, the plug covers 3 are further disposed at two longitudinal ends of the light source assembly 2, and the plug covers 3 can sequentially connect and mount the aluminum substrate 21, the lens 24 and the reflective cup 25 forming the light source assembly 2 on the heat sink 23 to fix the ends of each component, so that each component of the light source assembly 2 can be quickly mounted and dismounted without affecting the illumination area of the lamp, and the illumination effect of the lamp is ensured. Dust or other particles can be prevented from entering the lamp, and the use of the lamp is prevented from being influenced. In this embodiment, the plug cover 3 and each part of the light source assembly 2 are fastened and fixed by the tenons , which is, of course, only a preferred technical solution in this embodiment, and in the actual use case, the plug cover and each part may be fastened by screwing or bonding, and may be selected according to the actual needs.

As shown in fig. 3 and 9, the radiator 23 includes a long radiating bottom plate 231 and two radiating side plates 232 disposed opposite to each other, so as to ensure the radiating effect of the lamp, avoid heat accumulation, and prolong the service life of the lamp. As shown in fig. 9, a first clamping groove 2311 for installing the aluminum substrate 21 is further provided at the bottom of the heat dissipation bottom plate 231, so that the aluminum substrate 21 can be clamped in the first clamping groove 2311, and the heat dissipation side plate 232 is convenient to install and simple in structure, and a second clamping groove 2321 for installing the light reflection cup 25 is further provided at the bottom of the heat dissipation side plate 232, so that the mounting plate 2521 of the light reflection cup 25 can be clamped in the second clamping groove 2321, wherein the plug cover 3 can be clamped at the ends of the heat dissipation bottom plate 231 and the heat dissipation side plate 232, stability of the aluminum substrate 21 and the light reflection cup 25 is ensured, and dust or other particles are prevented from entering the lamp, so that use of the lamp is affected.

In this embodiment, as shown in fig. 9, a third clamping groove 2322 is further provided on a side portion of the heat dissipation side plate 232 for mounting the light source assembly 2 on the bottom of the lamp panel 1, wherein a mounting groove 11 for mounting the light source assembly 2 is further provided on the bottom of the lamp panel 1, and a clamping block 111 mutually adapted to the third clamping groove 2322 is provided in the mounting groove 11, so that the mounting between the light source assembly 2 and the lamp panel 1 is safer and more stable.

In this application, as shown in fig. 2, at least one mounting member 12 is further provided at the top of the lamp panel 1, for mounting the lamp on a ceiling or a top plate in a room, so as to facilitate indoor lighting, so that the lamp is more convenient to mount, in this embodiment, the mounting member 12 may be a hook, a hanging ring or other structures that can be used for mounting, and is also convenient for transportation of the lamp, as shown in fig. 12, at least one external interface 4 is further provided on the light source assembly 2, so that the lighting effect is ensured by energizing the light source assembly 2.

The LED lamp for preventing glare provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. An LED lamp for preventing glare is characterized by comprising a rectangular lamp panel and at least one light source assembly arranged on the lamp panel;

the light source assembly comprises an aluminum substrate, a plurality of LED lamp beads arranged at intervals at the bottom of the aluminum substrate, and a radiator arranged at the top of the aluminum substrate, wherein the bottom of the aluminum substrate is also provided with lenses which are covered on the LED lamp beads and correspond to the LED lamp beads one by one and reflective cups which are covered on the lenses, the lenses are used for adjusting the beam line angle of the LED lamp beads, the distance L1 from the opening of each reflective cup to the inside of each reflective cup is 0.2-0.8 times of the height value L2 of each reflective cup, the bottom of each lens is provided with a convex surface, the thickness value L3 of each convex surface is 0.2-0.5 times of the distance L1 from the lens to the inside of each reflective cup, and the included angle between the inner wall of each cup body of each reflective cup and the two bottoms of each reflective cup opening is theta, and is more than or equal to 40 degrees and less than or equal to 80 degrees.

2. The LED lamp of claim 1, wherein the first opening of the reflector cup has a cross-sectional area S1 in the vertical direction, the second opening has a cross-sectional area S2, and the ratio of S1 to S2 is at least 0.4 to 0.6.

3. The LED lamp of claim 2, wherein an angle between a beam line refracted by the sidewall of the reflector cup and a central axis of the first opening and/or the second opening is β, and β is 10 ° or more and 14 ° or less.

4. The LED light fixture of claim 1 wherein the lens includes a mounting portion and a lens body integrally formed on the mounting portion;

the mounting part of the lens is connected and fixed on the aluminum substrate in one mode of screw connection, bonding and clamping.

5. The LED lamp of claim 1, wherein the reflector cup comprises a conical cup body, and the cup body is provided with the first opening and the second opening at two vertical ends respectively;

the second opening extends outwards in the circumferential direction and is provided with a flanging mounting plate.

6. The LED lamp of claim 5, wherein the axes of the first opening and the second opening are arranged in line;

the lens and/or the reflecting cup are made of plastic materials or glass materials.

7. The LED lamp of claim 1, wherein the longitudinal ends of the light source assembly are further provided with plug covers;

the plug cover is used for connecting and fixing the aluminum substrate, the lens and the reflecting cup on the radiator.

8. The LED lamp of claim 7, wherein the heat sink comprises a heat dissipation bottom plate having a strip shape and two heat dissipation side plates disposed in opposition;

the bottom of the heat dissipation bottom plate is also provided with a clamping groove I for installing the aluminum substrate,

and a clamping groove II for installing the reflecting cup is formed in the bottom of the radiating side plate.

9. The LED lamp of claim 8, wherein the heat-dissipating side plate is further provided with a third clamping groove on the side portion;

the lamp panel is provided with an installation groove for installing the light source assembly at the bottom, and a clamping block which is in three-phase fit with the clamping groove is arranged in the installation groove.

10. The LED light fixture of claim 1 wherein the lamp panel is further provided with at least one mounting member on top;

and at least one external interface is also arranged on the light source component.

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