CN202708987U

CN202708987U - Guide column with reflection lamp cup

Info

Publication number: CN202708987U
Application number: CN2012202663443U
Authority: CN
Inventors: 曾国勋; 谢志强; 林昌麒
Original assignee: FORTECH Co Ltd
Current assignee: FORTECH Co Ltd
Priority date: 2012-06-07
Filing date: 2012-06-07
Publication date: 2013-01-30
Anticipated expiration: 2022-06-07

Abstract

The utility model provides a guide column with a reflection lamp cup. The guide column comprises a guide column body and a lamp cup part, wherein the light column is an integrally formed tapered column body, the bottom of the guide column is provided with a disk body, the lamp cup part is arranged on the top of the center of the light guide column, and is provided with a curved surface opening, a reflection membrane and a light transmitting opening; the curved surface opening is formed in the top of the guide column, the reflection membrane is formed on the inner wall surface of the curved surface opening, the light transmitting opening is arranged in the bottom end of the curved surface opening, and the wall surface of the light transmitting opening is not provided with a reflection membrane so that light rays transmit through the light transmitting opening for emitting. By adopting the guide column, the illuminating range of an LED module can be effectively increased, and the uniformity of illumination of the LED module is improved.

Description

Light-guiding pillar with reflection Lamp cup

Technical field

The utility model relates to a kind of light-guiding pillar with reflection Lamp cup, particularly the light-guiding pillar with reflection Lamp cup of a kind of tool plated film and printing opacity mouth.

Background technology

In recent years, use the technology of LED matrix day by day ripe, brightness also promotes day by day, has had commercial exploitation and has been worth.Because the approximate spot light of LED easily forms glare phenomenon, especially in the application of high-capacity LED, more easily cause user's eyes uncomfortable.In addition, the lighting angle of LED is in 120 degree, and therefore, compared with incandescent lamp and Halogen lamp LED, the light of LED lamp concentrates on the place ahead, and the irradiation of side direction is extremely inhomogeneous, and the scope of irradiation is less.These factors are unfavorable for the application of LED, and therefore the demand that is improved is arranged.

In the LED bulb, adopt light-guiding pillar as light conductor, become a technology trends.Yet, adopt at present light-guiding pillar still can't break through the shortcoming that illumination zone is narrow and uneven illumination is even as the LED bulb of light conductor.In existing structure, in order to improve luminous efficiency, have the mode of utilizing plated film, to increase the luminous efficiency of LED bulb.But at the same time, causing also luminous inhomogeneous of LED bulb, how to see through light-guiding pillar and the suitable design of arranging in pairs or groups, with the illumination zone of effective increase LED, increase simultaneously the uniformity of LED illumination, is that this area research staff institute utmost point is wanted to seek for.

The utility model content

The purpose of this utility model is to provide a kind of illumination zone that can effectively increase LED, increases simultaneously the light-guiding pillar with reflection Lamp cup of the uniformity of illumination.

In order to reach above-mentioned purpose, the utility model provides a kind of light-guiding pillar with reflection Lamp cup, and it comprises light-guiding pillar and Lamp cup section.The cone cylinder that light-guiding pillar is formed in one, and its bottom is disc; Lamp cup section, be positioned at the top at light-guiding pillar center, have curved surface opening, reflectance coating and printing opacity mouth, the curved surface opening is formed at the top of light-guiding pillar, reflectance coating is formed at the internal face of curved surface opening, the printing opacity mouth then is positioned at the bottom of curved surface opening, and the wall of printing opacity mouth do not have a reflectance coating, penetrates so that light sees through the printing opacity mouth.By the enforcement of this creation, can reach at least following progressive effect:

1. utilize the curved surface opening at light-guiding pillar top, the reflectance coating of curved surface opening internal face, with the collocation of the printing opacity mouth of curved surface open bottom end, can make it in conjunction with led module after, effectively increase the illumination zone of led module.

The upper and lower surface of reflectance coating all can in order to light reflection to each required direction or path and reach the light filling effect, thereby significantly increase the uniformity of illumination so that in the scope of a wide-angle, have uniform illuminating effect.

For making those skilled in the art understand the purpose of this utility model, feature and effect, by following specific embodiment, and cooperate appended graphicly, the utility model is illustrated in detail.

Description of drawings

Figure 1A for according to the utility model one embodiment have the reflection Lamp cup light-guiding pillar stereogram;

Figure 1B is the top view with light-guiding pillar of reflection Lamp cup;

Fig. 1 C is the side view with light-guiding pillar of reflection Lamp cup;

Fig. 1 D is the partial enlarged drawing of curved surface opening;

Fig. 2 for according to another embodiment of the utility model have the reflection Lamp cup light-guiding pillar side view; And

Fig. 3 is the work schematic diagram with light-guiding pillar of reflection Lamp cup.

The primary clustering symbol description

1 has the light-guiding pillar of reflection Lamp cup

10 light-guiding pillars

12 discs

14 screw holes

20 Lamp cup sections

201 curved surface openings

202 internal faces

203 reflectance coatings

204 first surfaces

205 second surfaces

207 printing opacity mouths

109 column cavitys

The 2LED module

21 light emitting diodes

31 screws

32 nuts

A～H path

The specific embodiment

Below will explain the utility model content by embodiment, it is about a kind of light-guiding pillar with reflection Lamp cup.Yet embodiment of the present utility model implements any specific environment of the present utility model, application or particular form in order to restriction.Therefore, only be the explaination the purpose of this utility model about the explanation of embodiment, but not in order to limit the utility model.Need the expositor, following examples and graphic in, all omit and do not illustrate with the non-directly related assembly of the utility model; And for the purpose of asking simple and easy understanding, the size relationship of each inter-module is not to show according to actual ratio.

Figure 1A～Fig. 1 D is for showing an embodiment of the light-guiding pillar 1 that the utlity model has the reflection Lamp cup, and Figure 1A is the stereogram with light-guiding pillar 1 of reflection Lamp cup; Figure 1B is the top view with light-guiding pillar 1 of reflection Lamp cup; Fig. 1 C is the side view with light-guiding pillar 1 of reflection Lamp cup; Fig. 1 D is the partial enlarged drawing of curved surface opening.In order to clearly demonstrate the structure of the light-guiding pillar 1 with reflection Lamp cup, please merge and consult Figure 1A to Fig. 1 D.

The light-guiding pillar 1 with reflection Lamp cup that the present embodiment provides, it comprises light-guiding pillar 10 and Lamp cup section 20.The cone cylinder that light-guiding pillar 10 is formed in one, the shaft of light-guiding pillar 10 is column, and its bottom then is the disc 12 of plate-like, comprises one group of screw hole 14 on the disc 12.

Lamp cup section 20 (seeing Fig. 1 C), it is positioned at the top at light-guiding pillar 10 centers, and it has curved surface opening 201, reflectance coating 203 and printing opacity mouth 207.Curved surface opening 201 is formed at the top of light-guiding pillar 10.

Reflectance coating 203 is formed at the internal face 202 of curved surface opening 201, it has first surface 204 and second surface 205 (seeing Fig. 1 D), first surface 204 is its upper surface, and second surface 205 is its lower surface, namely the face that joins of the internal face 202 of reflectance coating 203 and curved surface opening 201.Reflectance coating 203 can by plating, evaporation, sputter or other chemistry or physical property plated film mode, be sputtered on the internal face 202 of curved surface opening 201.The function of reflectance coating 203 then is by its first surface 204 and second surface 205, with light reflection to required direction or path.

Printing opacity mouth 207 is positioned at the bottom of curved surface opening 201, and the wall of printing opacity mouth 207 film of tool reflection not, penetrates so that light can see through printing opacity mouth 207.In the present embodiment, the printing opacity mouth that adopts 207 is the printing opacity mouth 207 of concave shape with divergent rays effect, and the internal and external walls face do not have the film of reflection, penetrates so that light can see through the printing opacity mouth 207 of concave shape smoothly, with divergent rays.

It is worth mentioning that, printing opacity mouth 207 also can be convex-shaped or plane, and its principle is with the printing opacity mouth 207 of concave shape, therefore do not repeat them here.

Figure 1B is the top view with light-guiding pillar 1 of reflection Lamp cup, and it has shown disc 12, screw hole 14, curved surface opening 201, reflectance coating 203 and the printing opacity mouth 207 of light-guiding pillar 10.

Fig. 1 C is the side view with light-guiding pillar 1 of reflection Lamp cup, and it has shown light-guiding pillar 10, disc 12, screw hole 14, curved surface opening 201, internal face 202, reflectance coating 203 and printing opacity mouth 207.Wherein, can clearly see internal face 202 and the printing opacity mouth 207 of curved surface opening 201 in this side view, internal face 202 is coated with

reflectance coating

203, and 207 in printing opacity mouth is plated film not.

Fig. 1 D is the partial enlarged drawing of curved surface opening 201, and it has shown the relativeness of 203 of internal face 202 and reflectance coatings.Shown in Fig. 1 D, light-guiding pillar 1 with reflection Lamp cup, be formed with reflectance coating 203 on the inner wall surface thereof 202, reflectance coating 203 sees through the plated film mode and is coated with thereon, reflectance coating 203 has first surface 204 and second surface 205, the face that second surface 205 that is reflectance coating 203 and internal face 202 join, the function of reflectance coating 203 then is by first surface 204 and second surface 205, with light reflection to required direction or path.

Fig. 2 is another embodiment that the utlity model has the light-guiding pillar 1 of reflection Lamp cup, for having the side view of the light-guiding pillar 1 that reflects Lamp cup.Wherein, with the previous embodiment something in common will it will not go into details, the present embodiment only is illustrated for difference.And the present embodiment and previous embodiment difference are, the present embodiment has the light-guiding pillar 1 of reflection Lamp cup, and its bottom all has column cavity 109, and the effect of column cavity 109 is to finely tune the distribution of light type.

As shown in Figure 3, for having the work schematic diagram of the light-guiding pillar 1 that reflects Lamp cup, wherein led module 2 is to see through bindiny mechanism and light-guiding pillar 1 combination with reflection Lamp cup, that is see through screw 31 and pass screw hole 14 (seeing Figure 1A), and collocation nut 32, be fixed up with light-guiding pillar 1 and led module (light-emitting diode (LED) module) 2 combinations that will have the reflection Lamp cup.

The led module 2 of the present embodiment comprises light emitting diode 21, shows the opticpath of light emitting diode 21 in the light-guiding pillar 1 with reflection Lamp cup, the utlity model has the light conduct performance of light-guiding pillar 1 when work of reflection Lamp cup with explanation.

The light of path A for advancing along optical axis, not deviation;

Path B is near the light the optical axis, and after printing opacity mouth 207 (seeing Fig. 1 C) refraction, light is deviation slightly;

Path C is the light of oblique incidence printing opacity mouth 207, after printing opacity mouth 207 refraction, runs into the first surface 204 (seeing Fig. 1 C) of reflectance coating 203 and the reflection that produces;

Path D be near the optical axis light after 207 refractions of printing opacity mouth, run into 204 of the first surfaces of reflectance coating 203 and the reflection that produces;

Path E is the second surface 205 (seeing Fig. 1 C) of light oblique incidence reflectance coating 203, the path of being reflected by second surface 205;

Path F is oblique incidence light-guiding pillar 10 (seeing Fig. 1 C) sidewall, after sidewall produces reflection, reenters the second surface 205 of penetrating reflectance coating 203, again by the second surface 205 of reflectance coating 203 path of reflection upwards;

Path G is the second surface 205 of incidence reflection film 203, again by the second surface 205 of reflectance coating 203 path to the horizontal direction reflection;

Path H is the second surface 205 of incidence reflection film 203, the path of being reflected downwards by the second surface 205 of reflectance coating 203 again.

The path representation of transmitted light as can be known, light runs into the first surface 204 and second surface 205 of reflectance coating 203, opticpath will change because of reflection, light runs into printing opacity mouth 207 and will penetrate in the small angle range forwards, collocation by first surface 204 with second surface 205 and the printing opacity mouth 207 of reflectance coating 203, to light be seen through have the light-guiding pillar 1 of reflection Lamp cup to be evenly distributed in the polarizers of big angle scope, thereby the performance of can being thrown light on uniformly.

Comprehensive above said content as can be known, the utility model embodiment has the curved surface opening 201,

reflectance coating

203 and 207 collocation of printing opacity mouth at light-guiding pillar 1 top of reflection Lamp cup by utilization, can make light-guiding pillar 1 with reflection Lamp cup can effectively increase the illumination zone of led module 2 after in conjunction with led module 2; Again by utilize simultaneously reflectance coating 203 upper and lower surperficial 204,205 with light reflection to each required direction or path, therefore reach the light filling effect, thereby significantly increased the uniformity of led module 2 illuminations, so that in conjunction with led module 2 and have the light fixture that forms of light-guiding pillar 1 of reflection Lamp cup, in the scope of a wide-angle, have uniform illuminating effect.

Wish more to know description feature of the present utility model and spirit by the above detailed description of preferred embodiments, and be not to come category of the present utility model is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the claim that is arranged in the wish application of the utility model institute of various changes and tool equality.

Claims

1. the light-guiding pillar with reflection Lamp cup is characterized in that, comprising:

One light-guiding pillar, the cone cylinder that it is formed in one, and the bottom of this light-guiding pillar is disc; And a Lamp cup section, it is positioned at the top at this light-guiding pillar center,

Wherein this Lamp cup section has:

One curved surface opening, it is formed at the top of this light-guiding pillar;

One reflectance coating, it is formed at the internal face of this curved surface opening; And

One printing opacity mouth, it is positioned at the bottom of this curved surface opening, and the wall of this printing opacity mouth do not have a reflectance coating, penetrates so that light sees through this printing opacity mouth.

2. the light-guiding pillar with reflection Lamp cup as claimed in claim 1 is characterized in that, this printing opacity mouth is a concave shape.

3. the light-guiding pillar with reflection Lamp cup as claimed in claim 1 is characterized in that, this printing opacity mouth is a convex-shaped.

4. the light-guiding pillar with reflection Lamp cup as claimed in claim 1 is characterized in that, it is one plane that this printing opacity mouth is.

5. the light-guiding pillar with reflection Lamp cup as claimed in claim 1 is characterized in that, the bottom at the center of this light-guiding pillar has a column cavity.