CN202158498U

CN202158498U - Candle lamp lens

Info

Publication number: CN202158498U
Application number: CN201120283150XU
Authority: CN
Inventors: 刘俊贤; 李立文
Original assignee: So Bright Electronics Co Ltd
Current assignee: So Bright Electronics Co Ltd
Priority date: 2011-08-05
Filing date: 2011-08-05
Publication date: 2012-03-07
Anticipated expiration: 2021-08-05

Abstract

The utility model provides a candle lamp lens, comprising a candle lamp body, at least one light-emitting diode and a lens. The light-emitting diode is disposed on the candle lamp body, and the lens disposed on the light-emitting diode is used for conducting refraction and reflection on the light emitted by the light-emitting diode. The candle lamp lens also comprises a light-receiving part for receiving light, a light-guiding part for guiding light, and a light-emitting part for light refraction and reflection. The light-receiving part comprises a Fresnel lens. When the light-emitting diode emits light, the light can be refracted into parallel light through the Fresnel lens, and can be guided by the light-guiding part and be radiated through the light-emitting part. The candle lamp lens has good light-emitting efficiency and has design elasticity different from an LED.

Description

The candle lamp lens

Technical field

The utility model refers to a kind of being applied on the candle lamp especially for a kind of candle lamp lens are provided, can the more efficient candle lamp lens that light that light emitting diode distributes presented approximate candle effect.

Background technology

Light emitting diode is a kind of semiconductor element; What it can see through power supply pass through to produce light source, owing to technological bottleneck, when light emitting diode has just come out usually as the indicator lamp purposes of electrical appliance; In recent years; Along with the appearance of white light emitting diode, make light emitting diode that more applications arranged, especially domestic light application.

Light emitting diode and conventional light source have following advantage in comparison:

One, energy conversion efficiency is high under low luminosity: because light emitting diode has this characteristic, be suitable for use in very much in the backlight that hangs down luminosity and use, for example be used in the backlight of mobile phone, backlight of TV or the like is used.

Two, firm in structure shock-resistant: because light emitting diode is a solid-state element, compared to osram lamp, fluorescent tube, can bear bigger impact, structure is more firm.

Three, structure is little: the monomer of light emitting diode can be very little, and can carry out permutation and combination freely according to demand, and it is luminous for example to utilize several light emitting diode assembling combination to carry out as the array form, and range of application is more extensive.

Four, long service life: though its cost is higher in comparison for light emitting diode and conventional light source, if light emitting diode is under suitable heat radiation and applied environment, the longer service life of light emitting diode.

Five, the reaction time is fast: the light emitting diode reaction speed can reach 1us, can reach very high flicker frequency.

Because above-mentioned advantage; Light emitting diode is applied in the home lighting widely; What especially traditional candle light source was a large amount of is replaced by light emitting diode, when utilizing light emitting diode to replace the light source of candle, can worry that candle burnouts or safety problem such as candlelight.

And light emitting diode has directionality, so need consider its optical characteristics during Design of Luminaires, sees also shown in Figure 1ly, is for commonly using the cutaway view of candle lamp lens, comprising candle lamp body 1, at least one light emitting diode 12 and lens 13.This light emitting diode 12 is arranged on this candle lamp body 1; And these lens 13 are arranged on this light emitting diode 12; Light emitting diode 12 emitted lights are reflected and reflect; Comprise that one receives the light absorbing part 14 of light, the light guide section 15 of a guiding light and the light out part 16 an of refraction and reflection ray; Wherein, this light absorbing part 14 offer one can accommodate this light emitting diode 12 groove 141.

In order to do by said structure, when light emitting diode 12 is luminous, promptly can receive light by this light absorbing part 14 of lens 13; And through light guide section 15 guiding; See through light out part 16 at last and reflect and reflect, by this, reach the effect of the even scattering of light emitting diode 12 light.

So, seeing also shown in Figure 2ly, is for commonly using the enforcement sketch map of candle lamp lens; Because when light emitting diode 12 was luminous, light was that self-luminous diode 12 outer surfaces evenly distribute, and accepts light by light absorbing part 14 again; And light is when the light guide section 15; Understand some light and be emitted to outside the light guide section 15, only have part light to arrive light out part 16 and reflect and reflect, caused the not good problem of luminous efficiency.In addition, in case the LED that uses encapsulation external form confirms that in the also just decision of lens curvature that light absorbing part divides, therefore when using the different types of LED of other kind, the lens that divide at light absorbing part must design again, cause in the use inconvenience with lack flexibility.

Be with, how to solve above-mentioned problem of commonly using and disappearance, the creator who is the utility model and the relevant manufacturer that is engaged in the industry desire most ardently the direction place person of research improvement.

Summary of the invention

So; The creator of the utility model is because above-mentioned disappearance is to collect related data, via assessing in many ways and considering; And to engage in the many years of experience of the industry accumulation; Via constantly studying and revising, the beginning is designed this kind and is applied on the candle lamp, can light that light emitting diode distributes be presented approximate candle effect.

This novel main purpose is the candle lamp lens that provide a kind of luminous efficiency better.

In order to achieve the above object, the utility model comprises candle lamp body, at least one light emitting diode and lens.This light emitting diode is arranged on this candle lamp body; These lens are arranged on this light emitting diode; The light emitting diode emitted light is reflected and reflect; These lens comprise that one receives the light absorbing part of light, the light guide section of a guiding light and the light out part of a refraction and reflection ray, and wherein, this light absorbing part comprises that a Fresnel Lenses (Fresnel Lens) is in order to receive light.

By this kind structure; When lumination of light emitting diode; Promptly can be by Fresnel Lenses so that light is reflected, make when light that light emitting diode distributes is commonly used light that the candle lamp lens distribute when light emitting diode and passed through light guide section through being refracted as the light of parallel rays or low-angle behind the light absorbing part, having improved; Understand some light and be emitted to outside the light guide section, caused the not good problem of luminous efficiency; When the utility model distributes light when light emitting diode; The Fresnel Lenses that promptly sees through light absorbing part is refracted as the light of parallel rays or low-angle to light, and parallel rays does not promptly have the problem of light dissipation during through light guide section; And the light of low-angle is during through the leaded light post; Also, cause the total reflection of light, and reduce the dissipation of light because of the relation of interfacial refraction rate.This light out part promptly can reflect and reflect complete light emitting diode light at last, and after light absorbing part uses Fresnel Lenses, is easy to use different types of LED and can produces same effect, increases the elasticity on using.By this, the utlity model has the good practical improvement of luminous efficiency.

Description of drawings

Fig. 1 system is for commonly using the cutaway view of candle lamp lens.

Fig. 2 system is for commonly using the enforcement sketch map of candle lamp lens.

Fig. 3 system is the stereogram of the utility model preferred embodiment.

Fig. 4 system is the partial sectional view of the utility model preferred embodiment.

Fig. 5 system is the enforcement sketch map of the utility model preferred embodiment.

[main element symbol description]

1 candle lamp body, 16 light out part

12 light emitting diodes, 21 lampshades

13 lens, 221 substrates

14 light absorbing parts, 241 Fresnel Lenses

141 grooves, 251 curved portions

15 light guide sections

The specific embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure are drawn now and are explained in detail that with regard to the utility model preferred embodiment its characteristic and function are following, understand in order to do profit fully.

Seeing also Fig. 3 and shown in Figure 4, is stereogram and partial sectional view for the utility model preferred embodiment, finds out that by knowing among the figure the utility model comprises:

Candle lamp body 1, this

candle lamp body

1 and 21 groups of structures of a lampshade, the flame outward appearance aspect that this lampshade 21 is traditional candle is also;

At least one light emitting diode 12; This light emitting diode 12 is arranged on this candle lamp body 1; This light emitting diode 12 is arranged on the substrate 221; And through being wired to the power supply (not shown), this power supply can be contained in this candle lamp body 1 inside, so that light emitting diode 12 is carried out supply of electric power;

Lens 13; These lens 13 are arranged on this light emitting diode 12, light emitting diode 12 emitted lights are reflected and reflect, these lens 13 comprise one receive light the light out part 16 of light guide section 15 and a refraction and reflection ray of light absorbing part 14, a guiding light; Wherein, This light guide section 15 comprises a curved portions 251, and this light absorbing part 14 comprises a Fresnel Lenses 241 (Fresnel Lens), and this Fresnel Lenses 241 is round Fresnel Lenses 241; Be a planoconvex spotlight, and the convex surface of this Fresnel Lenses 241 system is towards this light emitting diode 12.

Please consulting shown in Figure 5ly simultaneously, is the enforcement sketch map for the utility model preferred embodiment, finds out by knowing among the figure; When the light emitting diode of the utility model 12 was luminous, light was that self-luminous diode 12 outer surfaces evenly distribute, through behind the Fresnel Lenses 241 of light absorbing part 14; Because this Fresnel Lenses 241 is a planoconvex spotlight, and the convex surface of this Fresnel Lenses 241 system is towards this light emitting diode 12; By this, behind this Fresnel Lenses 241 of light process that light emitting diode 12 distributes, can be refracted as the light of parallel rays or low-angle; And parallel rays does not promptly have the problem of light dissipation when the light guide section 15, and the light of low-angle is during through the leaded light post; Also, cause the total reflection of light, and reduce the dissipation of light because of the relation of interfacial refraction rate.Light guide section 15 can guide to the light overwhelming majority of light emitting diode 12 generations light out part 16 places, and light out part 16 reflects light with reflection and comes out, (light is expressed as the arrow aspect in figure).

Moreover; Behind the light process Fresnel Lenses 241 of light absorbing part 14; Because this light guide section 15 of the utility model comprises a curved portions 251, by the setting of this curved portions 251, can the nonparallel light of all the other minorities be concentrated to light out part 16; Light in can active set further improves luminous efficiency.

See also shown in whole accompanying drawings,, the utlity model has following advantage compared to located by prior art:

The utility model is applied to Fresnel Lenses 241 on the lens 13 of candle lamp; 12 light that distribute of light emitting diode are refracted as the light of parallel rays or low-angle earlier, and parallel rays does not promptly have the problem of light dissipation during through light guide section 15; And the light of low-angle is during through the leaded light post; Also, cause the total reflection of light, and reduce the dissipation of light because of the relation of interfacial refraction rate.The light overwhelming majority that light guide section 15 has guided 12 of light emitting diodes to distribute guides to light out part 16, has the good advantage with ease of use of luminous efficiency.And the present invention has utilized Fresnel Lenses 241 to reflect, and has also dwindled the volume and the weight of lens 13.

Claims

1. candle lamp lens comprise:

One candle lamp body;

At least one light emitting diode is arranged on this candle lamp body; And

One lens are arranged on this light emitting diode, and the light emitting diode emitted light is reflected and reflect;

These lens comprise that one receives the light absorbing part of light, the light guide section of a guiding light and the light out part of a refraction and reflection ray, it is characterized in that:

This light absorbing part comprises that a Fresnel Lenses is in order to receive light.

2. according to claim 1 candle lamp lens, it is characterized in that: this a candle lamp body and a lampshade are organized structure.

3. according to claim 1 candle lamp lens, it is characterized in that: this light emitting diode is fixedly set on the substrate.

4. according to claim 1 candle lamp lens, it is characterized in that: this light guide section comprises a curved portions.

5. according to claim 1 candle lamp lens, it is characterized in that: this Fresnel Lenses is round Fresnel Lenses.

6. according to claim 1 candle lamp lens, it is characterized in that: this Fresnel Lenses is a planoconvex spotlight.

7. the candle lamp lens of claim 6, it is characterized in that: the convex surface of this Fresnel Lenses is towards this light emitting diode.