CN204786163U

CN204786163U - Annular LED lamps and lanterns optics face guard and LED lamps and lanterns thereof

Info

Publication number: CN204786163U
Application number: CN201520448796.7U
Authority: CN
Inventors: 王坤; 李建; 廖俊枫
Original assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Current assignee: Southwestern Institute of Physics; Engineering and Technical College of Chengdu University of Technology
Priority date: 2015-06-26
Filing date: 2015-06-26
Publication date: 2015-11-18
Anticipated expiration: 2025-06-26

Abstract

The utility model discloses an annular LED lamps and lanterns optics face guard, setting up in proper order with one heart by a plurality of ring shape optics face guard unit or the oval optics face guard unit of a plurality of, the suit concatenation forms, every ring shape optics face guard unit or oval optics face guard dan jun are including little free -form surface ring bodies or the oval ring body of little free -form surface, little free -form surface ring bodies or the oval ring body of little free -form surface are that a side is little free -form surface, the axial section is circular or elliptical cavity round platform or the oval platform of cavity. The utility model also discloses a LED lamps and lanterns including above -mentioned annular LED lamps and lanterns optics face guard. The utility model discloses a little free -form surface ring bodies of concentric suit setting in proper order in the annular LED lamps and lanterns optics face guard or the structure that little free -form surface elliptical ring bodily form becomes to be similar to fresnel lens utilize relevant optics principle to form the ring of light, utilize little free -form surface to carry out the disperse simultaneously, when improving light source luminous flux utilization ratio, obviously reduce the glare.

Description

Annular LED light fixture optical mask and LED lamp thereof

Technical field

The utility model relates to light fixture face shield technical field, and be specifically related to a kind of annular LED light fixture optical mask, the utility model also relates to the LED lamp comprising above-mentioned annular LED light fixture optical mask.

Background technology

Along with the raising of luminous efficiency and the reduction of price, forth generation lighting source--light emitting diode (LightEmittingDiode, LED) is come in our life just gradually.But LED is not equal to LED light source, as spot light, LED needs to carry out secondary optical design just can be applied to various lighting.

In field of LED illumination, a lot of producer and user only covet LED street lamp electricity effect and ignore optical effect, be namely only concerned about that can a light source normally be lighted, and do not go to consider whether optics aspect reaches optical requirement.In LED secondary optical design field, because LED and conventional light source have very big-difference, its method for designing has relatively big difference.How reasonable distribution LED light source luminous flux, and then improve luminous flux utilization rate, be the major issue of field of LED illumination.But covet in the process of raising luminous flux utilization rate, dazzle can be caused to cross the new problems such as strong.

Utility model content

The technical problem that the utility model solves is that the light of dazzling caused luminous flux improves while of LED lamp of the prior art crosses strong problem, and then providing a kind of luminous flux that can improve LED lamp can reduce again the annular LED light fixture optical mask of dazzling light, the utility model also provides the light fixture comprising above-mentioned annular LED light fixture optical mask.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:

A kind of annular LED light fixture optical mask of the present utility model, arranges suit successively with one heart by several annular optical mask unit or several oval optical mask unit and is spliced:

Each described annular optical mask unit includes micro-free form surface ring bodies, the hollow round table that described micro-free form surface ring bodies to be a side be micro-free form surface, axial section are rounded, the inner surface of described hollow round table is cylinder anchor ring or taper anchor ring;

Each described oval optical mask unit includes an oval ring body of micro-free form surface, the hollow elliptical table of the oval ring body of described micro-free form surface to be a side be micro-free form surface, axial section ovalize, the inner surface of described hollow elliptical table is cylindricality ellipse ring surface or taper ellipse ring surface;

One-sided or the bilateral in the cross section of all described micro-free form surfaces is free curve and side is lower, in arch.

Preferably, described annular optical mask unit also comprises cylindricality ring bodies, and described cylindricality ring bodies connects one-body molded with described micro-free form surface ring bodies by the bottom surface that size is identical;

Described oval optical mask unit also comprises the oval ring body of cylindricality, and the oval ring body of described micro-free form surface connects one-body molded with the oval ring body of described cylindricality by the bottom surface that size is identical.

Preferably, the side of each described hollow round table becomes different angles from the bottom surface of described annular LED light fixture optical mask;

The side of each described hollow elliptical table becomes different angles from the bottom surface of described annular LED light fixture optical mask.

Preferably, the inner surface being sleeved on the described annular optical mask unit in outside in two that close on described annular optical mask unit coordinates with the intimate of the described cylindricality ring bodies of the described annular optical mask unit being sleeved on inner side;

The inner surface being sleeved on the described oval optical mask unit in outside in two that close on described oval optical mask unit coordinates with the intimate of the oval ring body of the described cylindricality of the described oval optical mask unit being sleeved on inner side.

Preferably, described annular LED light fixture optical mask is made up of some annular optical mask unit, and the bottom surface of described annular LED light fixture optical mask is circular;

Described annular LED light fixture optical mask is made up of some oval optical mask unit, the bottom surface ovalisation of described annular LED light fixture optical mask.

The utility model also provides the LED lamp comprising described annular LED light fixture optical mask.

The beneficial effects of the utility model are as follows:

The micro-free form surface ring bodies or the micro-free form surface elliptical ring body that are set with setting in annular LED light fixture optical mask of the present utility model with one heart successively form the structure being similar to Fresnel Lenses, micro-free form surface is combined with Fresnel Lenses, relevant optical principle is utilized to form the ring of light, utilize micro-free form surface to carry out disperse simultaneously, annular LED light fixture optical mask of the present utility model is made to achieve the distribution of LED lamp hot spot, effective control of light distribution and uniformity, can reasonable distribution LED light source luminous flux, while raising luminous flux of light source utilization rate, obvious reduction dazzle, significantly improve LED lamp illumination quality.

Accompanying drawing explanation

Fig. 1 is the perspective view of annular LED light fixture optical mask of the present utility model;

Fig. 2 is an annular optical mask unit schematic side view in the utility model;

Fig. 3 is an annular optical mask unit three-dimensional structural representation in the utility model;

In figure:

1 annular optical mask unit, 11 micro-free form surface ring bodies, 12 cylindricality ring bodies.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model and beneficial effect are described further.

Micro-free form surface ring bodies in the utility model refers to that the width of the annulus that the projection on bottom surface is formed is no more than the free form surface ring bodies of 1mm.

See accompanying drawing 1 to accompanying drawing 3, annular LED light fixture optical mask of the present utility model, arranges suit successively with one heart by several annular optical mask unit 1 or several oval optical mask unit and is spliced:

Each annular optical mask unit 1 includes micro-free form surface ring bodies 11, the hollow round table that micro-free form surface ring bodies 11 to be sides be micro-free form surface, axial section are rounded, and the inner surface of hollow round table is cylinder anchor ring or taper anchor ring;

Each oval optical mask unit includes an oval ring body of micro-free form surface, the hollow elliptical table of the oval ring body of micro-free form surface to be a side be micro-free form surface, axial section ovalize, the inner surface of hollow elliptical table is cylindricality ellipse ring surface or taper ellipse ring surface;

As shown in the figure, micro-free form surface of the side of hollow round table or hollow elliptical table is arch, recessed or convex.

What conveniently round each optical ring face shield unit 1 can be firm is set in together, and annular optical mask unit 1 also comprises cylindricality ring bodies 12, and cylindricality ring bodies 12 connects one-body molded with micro-free form surface ring bodies 11 by the bottom surface that size is identical;

Same, oval optical mask unit also comprises the oval ring body of cylindricality, and the oval ring body of micro-free form surface connects one-body molded with the oval ring body of cylindricality by the bottom surface that size is identical.

In order to meet the distribution requirement of luminous flux in different angles, the side of each described hollow round table is made to become different angles from the bottom surface of described annular LED light fixture optical mask;

Same, make the side of each described hollow elliptical table become different angles from the bottom surface of described annular LED light fixture optical mask.

In order to reach good effect in the utility model, can according to the difference of design object, the shape of the hollow space of design annular optical mask unit 1, if design object is the LED of directional light, then the hollow space that can arrange annular optical mask unit 1 is cylindrical hollow space; If design object is a luminous LED, then the hollow space of annular optical mask unit 1 can be set for conical.Correspondingly, annular optical mask unit 1 can comprise cylindricality ring bodies 12, and the inner surface being sleeved on the annular optical mask unit 1 in outside in two the annular optical mask unit 1 closed on coordinates with the intimate of the cylindricality ring bodies 12 of the annular optical mask unit 1 being sleeved on inner side;

Similarly, the hollow space of oval optical mask unit is elliptical cylinder-shape hollow space or elliptic conic shape hollow space, and the inner surface being sleeved on the oval optical mask unit in outside in two that close on oval optical mask unit coordinates with the intimate of the oval ring body of the cylindricality of the oval optical mask unit being sleeved on inner side.

In the utility model, when annular LED light fixture optical mask is made up of some annular optical mask unit 1, the bottom surface of annular LED light fixture optical mask can be circular; When annular LED light fixture optical mask is made up of some oval optical mask unit, the bottom surface of annular LED light fixture optical mask can ovalisation.

Annular LED light fixture optical mask of the present utility model adopts transparent optical material to make, and this transparent optical material can be optical glass, PC or PMMA.

The utility model also provides the LED lamp comprising above-mentioned annular LED light fixture optical mask.

Those of ordinary skill in the art will appreciate that, embodiment described here is to help reader understanding's principle of the present utility model, should be understood to that protection domain of the present utility model is not limited to so special statement and embodiment.Various other various concrete distortion and combination of not departing from the utility model essence are made in those of ordinary skill in the art's scientific research these technology enlightenment disclosed in the utility model, and these distortion and combination are still in protection domain of the present utility model.

Claims

1. an annular LED light fixture optical mask, is characterized in that, arranges suit be successively with one heart spliced by several annular optical mask unit (1) or several oval optical mask unit:

Each described annular optical mask unit (1) includes micro-free form surface ring bodies (11), the hollow round table that described micro-free form surface ring bodies (11) to be a side be micro-free form surface, axial section are rounded, the inner surface of described hollow round table is cylinder anchor ring or taper anchor ring;

2. annular LED light fixture optical mask as claimed in claim 1, is characterized in that:

Described annular optical mask unit (1) also comprises cylindricality ring bodies (12), and described cylindricality ring bodies (12) connects one-body molded with described micro-free form surface ring bodies (11) by the bottom surface that size is identical;

3. annular LED light fixture optical mask as claimed in claim 2, is characterized in that:

The side of each described hollow round table becomes different angles from the bottom surface of described annular LED light fixture optical mask;

4. annular LED light fixture optical mask as claimed in claim 3, is characterized in that:

The inner surface being sleeved on the described annular optical mask unit (1) in outside in two that close on described annular optical mask unit (1) coordinates with the intimate of the described cylindricality ring bodies (12) of the described annular optical mask unit (1) being sleeved on inner side;

5. comprise the LED lamp of annular LED light fixture optical mask according to any one of Claims 1-4.