CN203258522U

CN203258522U - High-lighting effect LED grid lamp

Info

Publication number: CN203258522U
Application number: CN 201320144865
Authority: CN
Inventors: 应春斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-28
Filing date: 2013-03-28
Publication date: 2013-10-30
Anticipated expiration: 2023-03-28

Abstract

A high-lighting effect LED grid lamp comprises a lamp disc body and at least one light-emitting assembly located on the lamp disc body. The light-emitting assembly comprises a reflecting cover, an LED light-emitting module mounted at the inner bottom of the reflecting cover, and a light-transmitting cover. The high-lighting effect LED grid lamp is characterized in that the light-transmitting cover is a prism type light-transmitting cover composed of a light-transmitting plate and a plurality of tooth-shaped crystalline grains, wherein the tooth-shaped crystalline grains are integrally formed on the inner side face of the light-transmitting plate and are arranged in opposite directions in sequence from the center line, corresponding to the position a light-emitting principal axis of the LED light-emitting module, of the light-transmitting plate to the two sides of the light-transmitting plate, and the inner side face of each tooth-shaped crystalline grain is of a concave surface structure or a bevel structure which is high outside and low inside.

Description

The high light efficiency LED grid lamp

Technical field

The utility model relates to field of light fittings, particularly a kind of high light-efficiency grille lamp tool.

Background technology

At present, be installed on the LED grid lamp on the ceiling, because light source has the advantages such as environmental protection, energy-conservation, long service life, be widely used in various offices and public place.Existing LED Grille lamp is mainly formed by lamp body (also being the lamp panel body), luminescence component etc., described luminescence component comprises reflection shield, LED illuminating module and diffuser (also being light-passing board), but because its light-passing board is generally a slab construction, so the ubiquity lampshade plate is too saturating, light source comes clearly into view, the problems such as dazzling and illumination range is too little are difficult to satisfy the requirement of vast consumption usefulness.So someone adopts light-passing board is made the prism plate structure, as having done pelerine design at the prism plate, hexagon diamond decorative pattern or pagoda shape decorative pattern etc., so that it reaches atomizing and the good characteristics of light source diffusion, the Grille lamp of this structure, although spot light be can't see with not dazzling when using, but after but existing light to pass through the rhombohedral crystal lampshade, it is unordered diffusion effect, so it is large that the light that reflects through the prism plate of existing structure departs from the refraction angle of luminous main shaft of LED illuminating module, the light that projects on the main working face of user work is not enough, the problems such as work illumination is low that is to say that light efficiency is low, as shown in Figure 7.How to produce that a kind of that light source was used was comfortable, can reach again the Grille lamp that work illumination is high, light efficiency is high simultaneously, be people's question of common concern always.

In addition from fitting structure, present on the market grid lamp, its lamp body is generally aluminum or iron housing, and the framework cost of manufacture of light fixture is high.Simultaneously, because diffuser is directly to put on the infolding gulde edge on the framework, the slit is arranged easily, so that mosquito, dust enter easily, not easy to clean.

Summary of the invention

The purpose of this utility model is for above-mentioned existing problems and deficiency, provide a kind of both used comfortable, work the again simultaneously high and low energy consumption of illumination and the high light efficiency LED grid lamp with characteristics such as dustproof, antifog and easy to assemble and cleanings.

The technical solution of the utility model is achieved in that

High light efficiency LED grid lamp described in the utility model, comprise the lamp panel body, be positioned at least one luminescence component on the described lamp panel body, described luminescence component comprises reflection shield, be installed on the LED illuminating module of described reflection shield inner bottom part, diffuser, be characterized in described diffuser by light-passing board and be shaped in the prism type diffuser that some cog shape crystal grain of this light-passing board medial surface form, and described cog shape crystal grain is that the center line from the luminous main spindle's of the corresponding described LED illuminating module of described light-passing board begins to both sides sequentially to arrange in opposite directions, and each cog shape crystal grain medial surface (also being plane of refraction) is concave structure or high outside and low outside ramp structure.

Wherein, when described each cog shape crystal grain medial surface during as concave structure, this concave structure generally is that radius is 3-15mm, and centering angle is the cambered surface of 20-50 degree.Preferred version is that radius is 8-10mm, and centering angle is the cambered surface of 30-40 degree.This concave shape plane of refraction can make the luminous light of the original diffuse reflection wide-angle of described LED illuminating module draw close to the luminous main shaft of LED illuminating module like this, thereby makes itself and existing LED Grille lamp in the situation of equal power consumption, and work illumination is more than doubled.In the utility model, when described each cog shape crystal grain medial surface during as ramp structure, its oblique angle is the 30-40 degree.Each adjacent two row's cog shape crystal grain is dislocation arrangement on the described diffuser.Described lamp panel body and reflection shield integrative-structure.Described LED illuminating module comprises heat sink and the LED lamp bar of installing along the heat sink length direction, the inner bottom part of described reflection shield has mounting groove, and the junction of the both sides of described mounting groove and described heat sink correspondingly has card convex and the draw-in groove that can cooperate the holding location.The outer end of described reflection shield and the junction of described diffuser correspondingly are provided with card muscle and the groove that can cooperate the holding location.

For further improving the useful optical efficiency of each crystal grain, adjacent two rows' cog shape crystal grain preferably is dislocation arrangement on the described light-passing board.

The utility model is owing to adopt by light-passing board and be shaped in the prism type diffuser structure that some cog shape crystal grain of this light-passing board medial surface form, take full advantage of crystal grain to diffusion and the principles such as even light and light transmittance height of light, efficiently solve light source luminous point problem, realize on the other hand the superelevation light transmittance, embody comfortable, the characteristics of energy saving of its use.And because being center line from the luminous main spindle's of the corresponding described LED illuminating module of light-passing board, the cog shape crystal grain in the utility model begins sequentially to arrange in opposite directions to both sides, each cog shape crystal grain medial surface (also being plane of refraction) is concave structure or high outside and low outside ramp structure simultaneously, thereby when ray cast that the LED illuminating module is sent is to the diffuser, make near the angle of the crystal grain on light-passing board both sides refraction larger, angle by paracentral crystal grain refraction is less, like this so that the luminous light of original diffuse reflection wide-angle draw close to the luminous main shaft of LED illuminating module, the refraction angle of the main light of Grille lamp is controlled in 80 °-120 ° the ideal range, high with the work illumination guaranteeing to project on the main working face that light fixture will shine, the problems such as the light that has effectively solved on the main working face that existing LED Grille lamp projects user work is not enough, and work illumination is low.Technical scheme described in the utility model is that even light effect, light transmittance and optical efficiency are carried out best of breed, therefore has the characteristics such as the high and low energy consumption of work illumination, high light efficiency, can be widely used in various illuminations place.

Below in conjunction with accompanying drawing the utility model is further described.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model high light efficiency LED grid lamp;

Fig. 2 is the structural representation of the utility model high light efficiency LED grid lamp;

Fig. 3 is the structural representation of an embodiment of diffuser in the utility model;

Fig. 4 is that cross-sectional view cuts open in the office of Fig. 3;

Fig. 5 is the simulation luminous schematic diagram of the wherein one group of luminescence component in the utility model;

Fig. 6 is the main ray cast angle schematic diagram of Grille lamp in the utility model;

Fig. 7 is the main ray cast angle schematic diagram of Grille lamp in the prior art.

The specific embodiment

Such as Fig. 1-shown in Figure 6, high light efficiency LED grid lamp described in the utility model, comprise lamp panel body 1, be positioned at least one luminescence component on the described lamp panel body 1, described luminescence component comprises reflection shield 2, be installed on the LED illuminating module 3 of described reflection shield 2 inner bottom parts, be positioned at the diffuser 4 on reflection shield 2 outer ends, for the utility model is being used on the comfortable basis, it is high to have again work illumination, the light efficiency high, described diffuser 4 is by light-passing board and be shaped in the prism type diffuser (also being the diffuser of all meta structures of optics) that some cog shape crystal grain 41 of this light-passing board medial surface form, and described cog shape crystal grain 41 is that the center line from the corresponding described LED illuminating module 3 luminous main spindle's of described light-passing board begins to both sides sequentially to arrange in opposite directions, and each cog shape crystal grain 41 medial surface is concave structure or high outside and low outside ramp structure.Make the utility model in the process of using, because diffuser 4 is by light-passing board and be shaped in the prism type diffuser structure that some cog shape crystal grain of this light-passing board medial surface form, when ray cast that LED illuminating module 3 is sent is to the prism type diffuser, each crystal grain of rhombohedral crystal type diffuser reflects and diffuse reflection light, take full advantage of crystal grain to diffusion and the principles such as even light and light-passing board light transmittance height of light, efficiently solve light source luminous point problem, realize on the other hand the superelevation light transmittance, embody comfortable, the characteristics of energy saving of its use.And because the medial surface of each crystal grain is concave structure or high outside and low outside ramp structure, for further improving light efficiency of the present invention and energy saving, the lateral surface of described crystal grain is made the vertical plane structure, add cog shape crystal grain 41 and be from the center line of the corresponding described LED illuminating module 3 luminous main spindle's of light-passing board and begin sequentially to arrange in opposite directions to both sides, so ray cast is to this specific prism type diffuser the time, the angle of the crystal grain refraction on close light-passing board both sides is larger, angle by the refraction of submedial crystal grain is less, like this so that the luminous light of original diffuse reflection wide-angle draw close to luminous main shaft.The utility model can need to be controlled (ideal range is to be controlled at 80 °-120 °) by design with the crevice projection angle of the main light of light fixture by the design of the refraction angle of crystal grain on the prism type diffuser, projects on the main working face, so that work illumination is strong.Wherein, when described each cog shape crystal grain medial surface during as concave structure, this concave structure generally is that radius is that 3-15mm, centering angle are the cambered surface of 20-50 degree.The preferred version of concave structure is that radius is that 8-10mm, centering angle are the cambered surface of 30-40 degree.This concave shape plane of refraction can make the luminous light of original diffuse reflection wide-angle draw close to the luminous main shaft of LED illuminating module like this, thereby makes itself and existing LED Grille lamp in the situation of equal power consumption, and work illumination is more than doubled.In the utility model, when described each cog shape crystal grain 41 medial surface beveling structure, its oblique angle is the 30-40 degree.For further improving the useful optical efficiency of each crystal grain, each adjacent two row's cog shape crystal grain 41 is dislocation arrangement on the described diffuser 4.In order effectively to reduce cost of manufacture of the present utility model, described lamp panel body 1 and the integrated lamp body of reflection shield 2 integrated injection moldings.Described diffuser 4 also is the integrated injection molding accessory, therefore has the precision height, and the characteristics of high conformity are added the special formed design of described crystal grain, so that expensive rhombohedral crystal material is about half of existing product.Described LED illuminating module 3 comprises heat sink 31 and the LED lamp bar 32 of installing along heat sink 31 length directions, the inner bottom part of described reflection shield 2 has mounting groove, and the junction of the both sides of described mounting groove and described heat sink 31 correspondingly has raised line 21 and the draw-in groove 33 that can cooperate the holding location, and described heat sink 31 reliably is connected on the lamp body by the cooperation holding of described raised line 21 and draw-in groove 33.That is to say that illuminating module 3 of the present utility model adopts matching design dustproof, antifog bridge with lamp body, and easy snap-in mounting structure, so dismounting is very convenient, changes more convenient.For further making the utility model easy for installation, and dustproof, good antifogging effect, the junction of described reflection shield 2 and described diffuser 4 correspondingly is provided with card muscle 22 and the groove 42 that can cooperate the holding location.Dustproof, the antifog matching design of twice and easy cassette mounting structure have been adopted in dustproof, the antifog design of the utility model diffuser, so that dustproof, the anti-fog effect of bulk article is remarkable, characteristic is good, simultaneously easy accessibility.The utility model is owing to adopt lamp panel body 1 and the integrated lamp body of reflection shield 2 integrated injection moldings, again lamp body is designed with the dust-proof fog-free groove that adopts car coat type that is connected between illuminating module 3 and the diffuser 4 simultaneously, therefore light fixture type frame is the cavity of a sealing, thoroughly stop entering of dust, fog and mosquito, need not cleaning in useful life period in the lamp.

Technical scheme described in the utility model will be spared light effect, light transmittance and optical efficiency and be carried out best of breed, and by the photodiffusion material of constantly bringing forth new ideas, on the one hand, its excellent even optical property has solved light source luminous point problem; Realize on the other hand the superelevation light transmittance, embody its comfortable, characteristics of energy saving.

Although the utility model is to describe with reference to specific embodiment, this description and not meaning that is construed as limiting the utility model.With reference to description of the present utility model, other of the disclosed embodiments change, and all can expect for those skilled in the art, and this variation should belong in the affiliated claim limited range.

Claims

1. high light efficiency LED grid lamp, comprise lamp panel body (1), be positioned at least one luminescence component on the described lamp panel body (1), described luminescence component comprises reflection shield (2), be installed on the LED illuminating module (3) of described reflection shield (2) inner bottom part, be positioned at the diffuser (4) on reflection shield (2) outer end, it is characterized in that described diffuser (4) by light-passing board and be shaped in the prism type diffuser that some cog shape crystal grain (41) of this light-passing board medial surface form, and described cog shape crystal grain (41) is that the midline from the luminous main spindle's of the corresponding described LED illuminating module (3) of described light-passing board begins to both sides sequentially to arrange in opposite directions, and each cog shape crystal grain (41) medial surface is concave structure or high outside and low outside ramp structure.

2. high light efficiency LED grid lamp according to claim 1, the concave structure that it is characterized in that described each cog shape crystal grain (41) medial surface is that radius is 3-15mm, centering angle is the arc surface of 20-50 degree.

3. high light efficiency LED grid lamp according to claim 1 is characterized in that the oblique angle of described each cog shape crystal grain (41) medial surface ramp structure is the 30-40 degree.

4. high light efficiency LED grid lamp according to claim 1 is characterized in that upper each adjacent two row's of described diffuser (4) cog shape crystal grain (41) is dislocation arrangement.

5. high light efficiency LED grid lamp according to claim 1 is characterized in that described lamp panel body (1) and reflection shield (2) integrative-structure.

6. high light efficiency LED grid lamp according to claim 1, it is characterized in that described LED illuminating module (3) comprises heat sink (31) and the LED lamp bar (32) of installing along heat sink (31) length direction, the inner bottom part of described reflection shield (2) has mounting groove, and the junction of the both sides of described mounting groove and described heat sink (31) correspondingly has card convex (21) and the draw-in groove (33) that can cooperate the holding location.

7. high light efficiency LED grid lamp according to claim 1 is characterized in that the outer end of described reflection shield (2) and the junction of described diffuser (4) correspondingly are provided with card muscle (22) and the groove (42) that can cooperate the holding location.