CN112050123A

CN112050123A - Lighting lamp

Info

Publication number: CN112050123A
Application number: CN202010988441.2A
Authority: CN
Inventors: 阮锐; 赵永胜; 赵林枫; 钟亮亮
Original assignee: Tcl Huarui Lighting Technology Huizhou Co ltd; Very Optoelectronics Huizhou Co Ltd
Current assignee: Tcl Huarui Lighting Technology Huizhou Co ltd; Very Optoelectronics Huizhou Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2020-12-08

Abstract

A lighting lamp comprises a shell, a light source component, an optical lens and an anti-dazzle grid; the light source assembly and the optical lens are arranged in the accommodating cavity, and the light source assembly is arranged on one side of the optical lens, which is back to the light transmitting opening; anti-dazzle grid includes that printing opacity plate body and a plurality of reflection of light are protruding, and the printing opacity plate body is installed in the printing opacity mouth, has seted up a plurality of light windows on the printing opacity plate body, and a plurality of reflection of light are protruding to be set up on the printing opacity plate body, and each is reflected light protruding and each light window crisscross setting each other, and each is reflected light protruding and all sets up towards the inboard in holding chamber, and the area of the bellied cross section of reflection of light is by being close to the direction grow gradually to. Light emitted by the light source assembly penetrates through the optical lens and is emitted out of the light-transmitting window of the anti-glare grating, the light is refracted by the optical lens and reflected by the diffuse reflection on the surface of the anti-glare grating, the illumination uniformity is greatly improved, the glare value of the lamp is effectively reduced, and the illumination comfort level is improved.

Description

Lighting lamp

Technical Field

The invention relates to the technical field of illumination, in particular to an illumination lamp.

Background

The blackboard lamp is an important component of teaching equipment in modern classrooms, provides a good lighting environment for the study of people and makes important contribution to the educational development of human beings.

The blackboard lamp hangs on the ceiling before the blackboard usually, but most blackboard lamps on the market at present illumination degree of consistency is poor, can not prevent the glare, and the installation interval between each blackboard lamp is too big for the user very easily produces visual fatigue, causes certain injury to mr, student's healthy.

Disclosure of Invention

Accordingly, there is a need for a lighting fixture with an excellent anti-glare effect and uniform illumination.

A lighting lamp comprises a shell, a light source component, an optical lens and an anti-dazzle grid;

an accommodating cavity is formed in the shell, a light transmitting opening is formed in the side wall of the accommodating cavity, the light source assembly and the optical lens are arranged in the accommodating cavity, and the light source assembly is arranged on one side, back to the light transmitting opening, of the optical lens;

the anti-dazzle grid comprises a light-transmitting plate body and a plurality of light-reflecting protrusions, wherein the light-transmitting plate body is installed in the light-transmitting opening, a plurality of light-transmitting windows are formed in the light-transmitting plate body, the light-reflecting protrusions are arranged on the light-transmitting plate body and are arranged with the light-transmitting windows in a staggered mode, the light-reflecting protrusions face the inner side of the containing cavity, and the area of the cross section of each light-reflecting protrusion is gradually increased from the position close to the optical lens to the position far away from the optical lens.

In one embodiment, the housing has an end cover, a mounting opening is formed in one side of the housing, the mounting opening is communicated with the accommodating groove, and the end cover is used for covering the mounting opening.

In one embodiment, a first clamping groove, a second clamping groove and a third clamping groove are sequentially arranged on the side wall of the accommodating cavity from the direction far away from the light-transmitting opening to the direction close to the light-transmitting opening, the light source assembly is clamped in the first clamping groove, the optical lens is clamped in the second clamping groove, and the anti-dazzle grid is clamped in the third clamping groove.

In one embodiment, the housing is triangular in cross-section.

In one embodiment, the ceiling device further comprises a ceiling connecting rod, one end of the ceiling connecting rod is hinged to the shell, and the other end of the ceiling connecting rod is provided with a screw joint mounting opening.

In one embodiment, the lighting device further comprises a driving power supply, wherein the driving power supply is arranged on the shell and is electrically connected with the light source component.

In one embodiment, the surface of the light reflecting protrusion is provided with a light reflecting mirror surface.

In one embodiment, the light-transmitting windows are uniformly spaced.

In one embodiment, the light reflecting protrusions are arranged perpendicular to the light transmitting plate body.

In one embodiment, the cross section of the light reflecting protrusion is trapezoidal or triangular.

The invention has the beneficial effects that: light emitted by the light source assembly penetrates through the optical lens and is emitted out of the light-transmitting window of the anti-glare grating, the light is refracted by the optical lens and reflected by the diffuse reflection on the surface of the anti-glare grating, the illumination uniformity is greatly improved, the glare value of the lamp is effectively reduced, and the illumination comfort level is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is an exploded view of an embodiment of a lighting fixture;

FIG. 2 is a schematic view of an overall structure of an embodiment of a lighting fixture;

FIG. 3 is a schematic cross-sectional view of the lighting fixture of FIG. 2 at A-A;

FIG. 4 is a schematic structural diagram of an anti-glare grille of a lighting fixture according to an embodiment;

fig. 5 is a structural schematic diagram of a housing of an illumination lamp according to an embodiment in a direction.

Reference numerals:

10. a lighting fixture; 100. a housing; 200. a light source assembly; 300. an optical lens; 400. an anti-glare grid; 101. an accommodating cavity; 102. a light-transmitting opening; 410. a light-transmitting plate body; 420. a light reflecting projection; 500. an end cap; 103. a first card slot; 104. a second card slot; 105. a third card slot; 401. and a light-transmitting window.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a lighting device 10 according to an embodiment of the present invention includes a housing 100, a light source assembly 200, an optical lens 300 and an anti-glare grille 400; an accommodating cavity 101 is formed in the housing 100, a light-transmitting opening 102 is formed in a side wall of the accommodating cavity 101, the light source assembly 200 and the optical lens 300 are arranged in the accommodating cavity 101, and the light source assembly 200 is arranged on a side of the optical lens 300, which faces away from the light-transmitting opening 102; the anti-glare grille 400 includes a light-transmitting plate body 410 and a plurality of reflective protrusions 420, wherein the light-transmitting plate body 410 is installed in the light-transmitting opening 102, the light-transmitting plate body 410 is provided with a plurality of light-transmitting windows 401, each reflective protrusion 420 is arranged on the light-transmitting plate body 410, the reflective protrusions 420 and the light-transmitting windows 401 are arranged in a staggered manner, each reflective protrusion 420 faces the inner side of the accommodating cavity 101, and the cross section area of each reflective protrusion 420 is gradually increased from the position close to the optical lens 300 to the position far away from the optical lens 300.

In this embodiment, the Light source module 200 includes circuit board and LED (Light Emitting Diode) lamp, and the LED lamp sets up on the circuit board, and the LED lamp is connected with the circuit board electricity, the Light process of Light source module 200 transmission optical lens 300 refraction back, partly Light is direct to be followed jet out in the Light-transmitting window 401, and another part Light process follow after the protruding 420 diffuse reflection of Light the Light-transmitting window 401 jets out, has greatly improved the illumination degree of consistency, has effectively reduced the glare value of lamps and lanterns, has improved the comfort level of illumination.

In actual use, the lighting fixture 10 can be used as a blackboard lamp in a classroom, the lighting fixture 10 is suspended on a ceiling in front of a blackboard, the light-transmitting opening 102 faces the blackboard, and the housing 100 and the anti-glare grille 400 are made of aluminum materials with light weight in order to reduce the weight of the lighting fixture 10 and the load of the ceiling.

In one embodiment, the housing 100 has an end cap 500, a mounting opening is formed on one side of the housing 100, the mounting opening is communicated with the receiving groove, and the end cap 500 is used for covering the mounting opening.

Specifically, the light source assembly 200 and the optical lens 300 are inserted into the receiving groove through the mounting opening and then the end cap 500 is covered on the mounting opening, so that the end cap 500 can be fixed by using screws to complete the assembly of the lighting fixture 10, and the assembly of the end cap 500 is simplified by adopting a drawer-type assembly method.

In one embodiment, referring to fig. 5, a first locking groove 103, a second locking groove 104 and a third locking groove 105 are sequentially disposed in the accommodating cavity 101 from a direction far away from the light-transmitting opening 102, the light source assembly 200 is locked in the first locking groove 103, the optical lens 300 is locked in the second locking groove 104, and the anti-glare grille 400 is locked in the third locking groove 105.

Specifically, when the lighting fixture 10 is assembled, the light source assembly 200 is inserted into the first card slot 103, the optical lens 300 is inserted into the second card slot 104, and the anti-glare grid 400 is inserted into the third card slot 105, so that the light emitted by the light source assembly 200 is not intensively irradiated on the local position of the optical lens 300 by reasonably setting the distance between the first card slot 103 and the second card slot 104, and the light emitted by the light source assembly 200 can be uniformly irradiated on the optical lens 300, so that the optical lens 300 can sufficiently and uniformly refract the light; further, by reasonably setting the distance between the second clamping groove 104 and the third clamping groove 105, the light refracted by the optical lens 300 can be fully and uniformly irradiated onto the anti-dazzle grille 400, and the light diffusely reflected by the light reflecting protrusions 420 can be uniform and soft without dazzling, so that a comfortable lighting environment can be provided for teaching.

In one embodiment, the cross-section of the housing 100 is triangular.

Specifically, in order to facilitate that the light-transmitting opening 102 faces the blackboard or other objects requiring illumination, the cross section of the casing 100 is triangular, that is, the casing 100 is shaped like a triangular prism, the light-transmitting opening 102 is arranged on the bottom surface of the casing 100, and a suspension structure is arranged on the side surface of the casing 100, so that the casing 100 is in a suspension state, the light-transmitting opening 102 can irradiate the blackboard or other objects requiring illumination at a certain inclination angle, the illumination range is expanded, the illumination effect is more uniform and softer, the direct irradiation of the illumination lamp 10 on the blackboard or other objects requiring illumination is avoided, and the anti-dazzle effect is improved.

In one embodiment, the ceiling device further comprises a ceiling connecting rod, one end of the ceiling connecting rod is hinged to the casing 100, and the other end of the ceiling connecting rod is provided with a screw connection mounting opening.

Specifically, the spiro union installing port is used for being connected with suspension structure, and suspension structure hangs on the ceiling to use the mode of spiro union with the furred ceiling connecting rod is connected, and it is right to be convenient for casing 100 is dismantled and is installed, the furred ceiling connecting rod with casing 100 is articulated, casing 100 with the furred ceiling connecting rod has certain rotational damping, through rotating casing 100 makes light-permeable opening 102 shines and has different illumination angles on objects such as blackboard, and convenient to use person is right in the service environment of difference illumination lamps and lanterns 10 are adjusted.

In one embodiment, a driving power source is further included, and the driving power source is disposed on the housing 100 and electrically connected to the light source assembly 200.

Specifically, a power fixing cavity is further formed in the casing 100, the power fixing cavity is communicated with the mounting opening, and the end cover 500 is covered on the mounting opening after the driving power supply is placed in the power fixing cavity, so that the driving power supply in the power fixing cavity can be protected. A channel is formed between the power fixing cavity and the accommodating cavity 101, and the driving power supply is electrically connected with the light source assembly 200 through the channel.

In one embodiment, in order to improve the reflection efficiency of the reflective protrusion 420, reduce the absorption loss of light energy, improve the brightness of a light source, and reduce the loss of electric energy, a reflective mirror surface is disposed on the surface of the reflective protrusion 420, and the reflective mirror surface has a smooth surface and a better reflective effect on light.

In one embodiment, the light-transmissive windows 401 are spaced uniformly in order to make the light emitted uniformly. Specifically, one or two light-transmitting protrusions adjacent to each light-transmitting window 401 reflect light to the light-transmitting window 401, and the light-transmitting windows 401 are uniformly spaced, so that the reflection angles of the light reflected by the light-transmitting protrusions to the light-transmitting windows 401 are the same, the reflected light is uniform, and the anti-dazzle effect is good.

In order to facilitate the processing and improve the structural stability of the anti-glare grill 400, each of the reflective protrusions 420 and the light-transmitting plate 410 are integrally formed.

In one embodiment, the reflective protrusions 420 are disposed perpendicular to the light transmissive plate body 410.

Specifically, the light source assembly 200, the optical lens 300 and the antiglare grid 400 are arranged in parallel, that is, the distance between each LED lamp on the light source assembly 200 is the same, the distance between each LED lamp and the optical lens 300 is the same, and the optical lens 300 is parallel to the light-transmitting plate body 410; the protruding 420 perpendicular to of reflection of light when the printing opacity plate body 410 sets up, the warp light after optical lens 300 refracts can shine uniformly the protruding 420 both sides of reflection of light for the light intensity of the protruding 420 both sides reflection of light is unanimous, and then, the warp the light that the protruding 420 of reflection of light reflection was reflected out can be even.

In one embodiment, the cross-section of the light reflecting protrusion 420 is trapezoidal or triangular.

Specifically, one end of the reflective protrusion 420 close to the optical lens 300 is an incident end, one end of the reflective protrusion 420 far away from the optical lens 300 is an emergent end, the cross section of the incident end gradually increases, that is, the width of one end of the reflective protrusion 420 close to the optical lens 300 is smaller, and the width of one end of the reflective protrusion 420 close to the light-transmitting plate 410 is larger. Light is reflected and refracted by the side surfaces of the reflective protrusions 420 in the anti-glare grill 400, so that the light-emitting angle is changed, the visual range of the human eye is effectively avoided, and the glare value is reduced. In addition, since the width of the reflective protrusion 420 is gradually increased along the direction from the incident end to the light emitting end, the diffused light can be shielded, thereby preventing glare caused by the diffused light.

In a specific embodiment, the upper portion of the casing 100 is provided with a semi-closed cavity, the lower portion is provided with a fully-closed cavity, and the side wall of the cavity is sequentially provided with a power fixing cavity, an LED light source mounting step surface, a strip-shaped lens mounting groove and an aluminum grid mounting groove from top to bottom. The light source assembly 200, the optical lens 300, and the anti-glare grille 400 are respectively inserted into corresponding slots in sequence, and finally the end caps 500 at both ends of the housing 100 are fixed to the lamp body by screws.

The light emitted by the lighting lamp 10 is refracted by the lens and then is subjected to diffuse reflection by the aluminum grating, so that the illumination is more uniform, the glare is effectively reduced, and a comfortable lighting environment is provided for a user.

It is worth noting that in the prior art, the distance between the blackboard lamp and the blackboard is usually 500 mm-800 mm, and in order to improve the illumination effect of the illumination lamp 10, the installation distance between the illumination lamp 10 and the blackboard is reduced to 450mm, so that direct projection of the lamp to a teacher is effectively avoided, and a comfortable illumination environment is provided for teaching.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express a few embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A lighting lamp is characterized by comprising a shell, a light source component, an optical lens and an anti-dazzle grid;

2. The lighting fixture of claim 1, wherein the housing has an end cap, a mounting opening is formed at one side of the housing, the mounting opening is communicated with the receiving groove, and the end cap is used for covering the mounting opening.

3. A lighting fixture as recited in claim 1, wherein a first engaging groove, a second engaging groove and a third engaging groove are sequentially formed in a side wall of said cavity from a position away from said light-transmitting opening to a position close to said light-transmitting opening, said light source module is engaged in said first engaging groove, said optical lens is engaged in said second engaging groove, and said antiglare grid is engaged in said third engaging groove.

4. A lighting fixture as recited in claim 1, wherein said housing is triangular in cross-section.

5. The lighting lamp as defined in claim 1, further comprising a ceiling connecting rod, wherein one end of the ceiling connecting rod is hinged to the housing, and the other end of the ceiling connecting rod is provided with a screw connection mounting opening.

6. A lighting fixture as recited in claim 1, further comprising a drive power source disposed on said housing, said drive power source being electrically connected to said light source assembly.

7. A lighting fixture as recited in claim 1, wherein said reflective protrusions have a surface provided with a reflective mirror.

8. A lighting fixture as recited in claim 1, wherein said light transmissive windows are spaced uniformly.

9. A lighting fixture as recited in claim 1, wherein said light reflecting protrusions are disposed perpendicular to said light transmissive plate body.

10. A lighting fixture as recited in claim 1, wherein said retroreflective protrusion has a trapezoidal or triangular cross-section.