CN203273701U

CN203273701U - Offset-focus optical lens

Info

Publication number: CN203273701U
Application number: CN 201320279550
Authority: CN
Inventors: 丁圳冰
Original assignee: LIUZHOU XIANGGUANG TECHNOLOGY Co Ltd
Current assignee: LIUZHOU XIANGGUANG TECHNOLOGY Co Ltd
Priority date: 2013-05-21
Filing date: 2013-05-21
Publication date: 2013-11-06
Anticipated expiration: 2023-05-21

Abstract

The utility model discloses an offset-focus optical lens, and relates to a gradual-change arc-shaped ladder optical deflection lens. The light incident plane of the offset-focus optical lens is of a structure which is formed by combination of the plane and a concave arc-shaped ladder prismatic structure, tooth profiles at the front end of the arc-shaped ladder prismatic structure are the same in height, the heights of tooth profiles at the tail end of the arc-shaped ladder prismatic structure are gradually reduced, and finally the arc-shaped ladder prismatic structure is changed to the plane in a circular-arc transition mode. The light emergent plane of the offset-focus optical lens is of a sideward-protruding thickened light condensation structure. The offset-focus optical lens is made of optical glass materials or optical plastic materials. When a spotlight with the offset-focus optical lens or a flood light with the offset-focus optical lens is installed, the protruding end of the gradual-change arc-shaped ladder optical deflection lens faces the direction needing a large irradiation distance, when light ray passes through the offset-focus optical lens, deflection refraction with a larger angle is carried out on part of light which passes through the arc-shaped ladder prismatic structure, when light is emergent, the light emergent angle is further optimized through the sideward-protruding thickened light condensation structure, light intensity in the light deflection direction is improved, and thus the offset-focus optical lens can enable the illumination intensity of an irradiated object or an irradiated ground or an irradiated wall space to be even.

Description

Partially burnt optical lens

Technical field

The utility model relates to a kind of lighting accessory, particularly with projection light partially toward the optical lens of a side distribution curve flux.

Background technology

Traditional shot-light lens are convex lens of regular shape at present, irradiation area throws along the lamp holder positive direction, when being contained on lamp stand, light fixture casts oblique rays on downwards at a certain angle or during as wall lamp, the local illumination that can be shown according to ground, metope or object in effective range of exposures close to the light fixture is strong, very weak apart from the local illumination that light fixture is far away, the phenomenon that the low beam place is bright, the far lamp place is dark appears.

Summary of the invention

For overcoming shot-light, Projecting Lamp in the inhomogeneous problem of certain distance setting sun object brightness, the utility model provides a kind of partially burnt optical lens, this partially burnt optical lens can be in the situation that certain distance casts oblique rays on object, illuminated object, the illuminance of being shone ground or metope are even, the problem bright without the low beam place, that the far lamp place is dark.

The technical scheme that addresses the above problem is: a kind of partially burnt optical lens, this partially burnt optical lens is the inclined to one side lens of gradual change arc ladder light, the plane of light incidence A of described partially burnt optical lens is the structure that the plane combines with the arc ladder prismatic structure of depression, the front end profile of tooth height of arc ladder prismatic structure equates, tail end profile of tooth height reduces gradually, and arrives the plane with arc transition; This partially burnt optical lens exiting surface B is the protruding thickening concentration structure of side.

Its further technical scheme is: described partially burnt optical lens adopts optical glass or optical plastic material to make.

Owing to adopting technique scheme, the beneficial effect of the partially burnt optical lens of the utility model is:

1. free from glare, illuminated object, the illuminance of being shone ground or metope are even, the problem bright without the low beam place, that the far lamp place is dark:

The shot-light of the partially burnt optical lens of employing the utility model, Projecting Lamp are when mounted, the inclined to one side lens protruding end of gradual change arc ladder light is faced toward need irradiation distance direction far away (referring to Fig. 5), light is during by burnt optical lens partially, a part occurs to reflect than the deflection of wide-angle by the light of arc ladder prismatic structure 11, the design of arc is relatively concentrated amesiality light and is drawn close, pass through again the protruding thickening concentration structure 14 of side during bright dipping, further optimize rising angle, increase the light folk prescription to light intensity; And another part not through the light of arc hierarchic structure along the dead ahead to the convex lens bright dipping; Because the tail end 112 profile of tooth height of arc hierarchic structure 11 reduce gradually, and finally be transitioned into the plane with arc structure; Thereby reach the effect of the strong and weak even transition of illumination, be subjected to according to uniform purpose thereby reach area to be illuminated territory (d zone in Fig. 5).

2. the partially burnt optical lens of the utility model adopts optical glass or optical plastic material to make, and has characteristics light, thin, that light transmittance is high and light loss is little.

Be described further below in conjunction with technical characterictic and the beneficial effect of drawings and Examples to the partially burnt optical lens of the utility model.

Description of drawings

Fig. 1～Fig. 4 is the partially burnt optical lens structure figure of the utility model:

Fig. 1 is front view;

Fig. 2 is the partial enlarged drawing of Fig. 1;

Fig. 3 is the left view of Fig. 1:

Fig. 4 is the top view of Fig. 1;

Fig. 5 is that the partially burnt optical lens of the utility model is installed and result of use figure.

In figure:

The structure that A face-plane combines with the arc ladder prismatic structure of depression, the protruding thickening concentration structure of B face-side;

The partially burnt optical lens of 1-, 11-are arc ladder prismatic structure, 111-front end profile of tooth, 112-tail end profile of tooth, 12-arc structure, 13-plane; The protruding thickening concentration structure of 14-side;

The 2-lamp holder, the 3-lamp radiator, 4-light fixture fixed support, 5-illuminated object, d are irradiation area.

The specific embodiment

A kind of partially burnt optical lens, as Fig. 1～shown in Figure 4, this partially burnt optical lens is the inclined to one side lens of gradual change arc ladder light, the plane of light incidence A of described partially burnt optical lens is the structure that plane 13 combines with the arc ladder prismatic structure 11 of depression, the front end profile of tooth 111 of arc ladder prismatic structure 11 is highly equal, tail end profile of tooth 112 reduces highly gradually, and arc ladder prismatic structure 11 is transitioned into plane 13 with circular arc 12; Described partially burnt optical lens exiting surface B is the protruding thickening concentration structure 14 of side.

Described partially burnt optical lens can adopt optical glass to make, and also can adopt the optical plastic material to make.

Claims

1. partially burnt optical lens, it is characterized in that: this partially burnt optical lens is the inclined to one side lens of gradual change arc ladder light, the structure that the plane of light incidence of described partially burnt optical lens (A) combines with the arc ladder prismatic structure (11) of depression for plane (13), the front end profile of tooth (111) of arc ladder prismatic structure (11) is highly equal, tail end profile of tooth (112) reduces highly gradually, and is transitioned into plane (13) with circular arc (12); Described partially burnt optical lens exiting surface (B) is the protruding thickening concentration structure of side (14).

2. partially burnt optical lens according to claim 1 is characterized in that: described partially burnt optical lens adopts optical glass or optical plastic material to make.