CN203797563U - Lens of LED (light emitting diode) candle lamp - Google Patents
Lens of LED (light emitting diode) candle lamp Download PDFInfo
- Publication number
- CN203797563U CN203797563U CN201420128773.3U CN201420128773U CN203797563U CN 203797563 U CN203797563 U CN 203797563U CN 201420128773 U CN201420128773 U CN 201420128773U CN 203797563 U CN203797563 U CN 203797563U
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- China
- Prior art keywords
- light guide
- guide section
- candle lamp
- light
- face
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Abstract
The utility model provides a lens of an LED (light emitting diode) candle lamp. The lens comprises a lens body which comprises a base and a light guide; the base is provided with containing holes used for containing LED beads; the light guide is positioned on the upper portion of the base and comprises a first light guide portion and a second light guide portion, the second light guide portion is positioned at the upper end of the first light guide portion which is positioned at the upper end of the base, the top end of the second light guide portion is provided with a reflection hole, and the first light guide portion contains a plurality of photodiffusion particles which are uniformly distributed in the first light guide portion. Compared with the prior art, the lens of the LED candle lamp has the advantages of good luminous effect and high luminous efficiency.
Description
Technical field
The utility model relates to lighting field, relates in particular to a kind of LED candle lamp lens.
Background technology
LED(Light-Emitting Diode, light emitting diode) candle lamp in decorative lighting field, have long, heating of life-span less, the advantage such as handsome in appearance.Current LED candle lamp lens moulding is on the market attractive in appearance not, and efficiency is low, non-uniform light because unreasonable structure causes, and lighting angle is too small.
Refer to Fig. 1 and Fig. 2, it is respectively structural representation and the cutaway view of LED candle lamp lens in prior art.The LED candle lamp lens of prior art comprises light conductor 100 and pedestal 200, described light conductor 100 comprises total reflection portion 101, refraction part 102, reflecting part 103 and reflection hole 104, described reflecting part 103 is positioned at the upper end of described refraction part 102, and described total reflection portion 101 is positioned at the lower end of described refraction part 102.In use, LED lamp is positioned at the bottom of light conductor 100 to existing LED candle lamp, and light is by the upwards projection of light conductor 100 bottoms, and part light is reflected away by the side refraction part 102 of light conductor 100; Be arranged at the reflecting part 103 of light conductor 100 upper ends by the light reflection of transmission that makes progress, and reflect away from the side refraction part 102 of light conductor 100.In prior art, realize light reflection technological means for plate reflectance coating on reflecting surface.Existing candle lamp lens, because total reflection portion 101 places are total reflection, not bright dipping, the light that the latter half of light conductor 100 reflects is less, causes overall lens bright not, can not do the effect of candle; Existing candle lamp lens material is that optics PC or PMMA are transparent, from pedestal 200 tops, is easy to see the electric wire below pcb board (not shown), affects attractive in appearance.
Therefore, be necessary defect of the prior art to make further improvements.
Utility model content
The purpose of this utility model is to provide that a kind of lighting angle is large, illumination effect good and LED candle lamp lens attractive in appearance.For reaching aforementioned object, a kind of LED candle lamp lens of the utility model, it comprises: lens body, described lens body comprises:
Pedestal, offers the accommodating hole of accommodating LED lamp pearl in it;
Light conductor, it is positioned at described pedestal top, and it comprises described light conductor the first light guide section, is positioned at the second light guide section of described the first light guide section upper end, and described the first light guide section is positioned at the upper end of described pedestal, and the top of described the second light guide section is provided with reflection hole,
In described the first light guide section, include several smooth diffusion particles, it is inner that these several smooth diffusion particles are evenly distributed on described the first light guide section.
As preferred embodiment of the utility model, axisymmetricly, described the first light guide section bottom pedestal upper surface is around provided with frosted layer to described light conductor.
As preferred embodiment of the utility model, described the first light guide section comprises:
One first bottom surface;
One first end face, itself and described the first bottom surface are oppositely arranged;
One first side, it connects described the first bottom surface and described the first end face,
Wherein said the first bottom surface is a rounded face, and described the first end face is a rounded face, and described the first side is a convex arcwall face, and the area of described the first end face is less than the area of the first bottom surface.
As preferred embodiment of the utility model, described the second light guide section comprises:
One second bottom surface, itself and described reflection hole are oppositely arranged;
One second side, it connects described the second bottom surface and described reflection hole, and wherein said the second bottom surface is a rounded face, and described the second lateral vertical is in described the second bottom surface.
As preferred embodiment of the utility model, the second bottom surface of described the second light guide section is around the first end face of described the first light guide section, and described the second bottom surface and described the first end face coplanar.
As preferred embodiment of the utility model, in described the second light guide section, include several smooth diffusion particles.
As preferred embodiment of the utility model, the side of described reflection hole is to shrink and form to described the second light guide section lower surface center from the top of described the second light guide section.
As preferred embodiment of the utility model, the side of described reflection hole is reflecting surface, on described reflecting surface, is coated with aluminium lamination.
As preferred embodiment of the utility model, described pedestal and light conductor are one-body molded.
The beneficial effects of the utility model: compared with prior art, LED candle lamp lens tool of the present utility model has the following advantages:
(1) owing to adding diffusion particle in lens material, part light is reflected away through the first side, the second side, reach the effect of lens Integral luminous, improved the uniformity of light that of lens, solve ordinary lens and only had the brighter shortcoming in top place;
(2) the utility model adds severe frosted at pedestal place, thereby has covered the electric wire on the pcb board of below, becomes attractive in appearance in details;
(3) at the reflecting surface of reflection hole, carry out vacuum aluminum-coatedly, after the light that makes to arrive reflecting surface is all reflected, inject below, guaranteed lighting angle, lens lighting angle of the present utility model can reach 300 °, has greatly improved luminous efficiency and illumination effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of LED candle lamp lens in prior art;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the decomposing schematic representation of the utility model LED candle lamp lens;
Fig. 4 is the structural representation of the utility model LED candle lamp lens;
Fig. 5 is the lighting angle resolution chart of the utility model LED candle lamp lens.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Alleged " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model herein.Different local in this manual " in one embodiment " that occur not all refer to same embodiment, neither be independent or the embodiment mutually exclusive with other embodiment optionally.
Refer to Fig. 3 and Fig. 4, it is respectively decomposing schematic representation and the structural representation of the utility model LED candle lamp lens.Described LED candle lamp lens comprises lens body 300, and described lens body 300 comprises pedestal 301 and light conductor.It should be noted that, lens of the present utility model are integrated, for the ease of understanding, Fig. 3 by the each several part of lens of the present utility model with exploded pictorial.
In described pedestal 301, offer the accommodating hole 302 of accommodating LED lamp pearl (not shown).Described LED lamp pearl is connected with the power supply (not shown) that is positioned at lampshade (not shown) by wire.
Axisymmetricly, it is positioned at described pedestal 301 tops to described light conductor, and one-body molded with described pedestal 301.It comprises the first light guide section 303, the second light guide section 304 and reflection hole 305 described light conductor.
Described the first light guide section 303 is positioned at the upper end of described pedestal 301.Please continue to refer to Fig. 3.For the ease of understanding, described the first light guide section 303 comprises one first bottom surface 303a, one first end face 303b and the first side 303b.Described the first end face 303b and described the first bottom surface 303a are oppositely arranged, described the first side 303c connects the first bottom surface 303a and the first end face 303b, wherein said the first bottom surface 303a is a rounded face, described the first end face 303b is a rounded face, described the first side 303c is a convex arcwall face, and the area of described the first end face 303b is less than the area of described the first bottom surface 303a.When the shape of this first light guide section 303 is arranged to candle combustion, the shape of flame is similar, not only attractive in appearance, the light that can make described the first light guide section reflex to the second light guide section increases simultaneously, and then has guaranteed that the first light guide section 303 is with uniformity of luminance around whole lens.In other embodiments, the shape of described the first light guide section 303 can also be other cylindrical shape.In described the first light guide section 303, include several smooth diffusion particles 307, in order to make 303 uniformities of light of described the first light guide section, these several smooth diffusion particles 307 are evenly distributed on described the first light guide section 303 inside.In the utility model, in described the first light guide section 303, add several smooth diffusion particles 307, the light that LED lamp pearl sends enters the first light guide section 303 by the first bottom surface 303a, part light carries out total reflection and enters the second light guide section 304 through the first end face 303b at the first light guide section 303, another light reflects by light diffusion particle 307, and then LED light can part be reflected away by the first side 303c.In the utility model, the light diffusion particle more than 307 comprising in described the first light guide section 303, the light reflecting by the first side 303c is more.It should be noted that, the size of described smooth diffusion particle, shape, quantity and distribution situation can be determined according to actual conditions, and size, shape, quantity and the distribution situation of the light diffusion particle in accompanying drawing 4 is not the restriction to smooth diffusion particle of the present utility model.
Described the second light guide section 304 is positioned at the upper end of described the first light guide section 303.Please continue to refer to Fig. 3 and Fig. 4.Described the second light guide section 304 comprises the second bottom surface 304a and the second side 304b.Described the second bottom surface 304a and described reflection hole 305 are oppositely arranged, described the second side 304b connects described the second bottom surface 304a and described reflection hole 305, wherein said the second bottom surface 304a is a rounded face, described the second side 304b is perpendicular to the second bottom surface 304a, wherein the second bottom surface 304a is around the first end face 303b, and the second bottom surface 304a and the first end face 303b are coplanar, light enters the second light guide section 304 by the second bottom surface 304a by the first light guide section 303, and reflex to the second side 304b by reflection hole 305, the second bottom surface 304a and the first side 303c, and by the second side 304b, the second bottom surface 304a and the first side 303c reflect away.In other embodiment, in order to make described the second light guide section 303 can reflect more light, in described the second light guide section 304, also include several smooth diffusion particles 307, and the quantity of light diffusion particle 307 in described the second light guide section 304 is not limited, can determine according to actual conditions.
Described reflection hole 305 is positioned at the top of described the second light guide section 304.The side of described reflection hole 305 is to shrink and form to described the second light guide section 304 lower surface centers from the top of described the second light guide section 304.The side of described reflection hole 305 is reflecting surface 306.The light that LED lamp pearl sends arrives reflection hole 305 through described the first light guide section 303, the second light guide section 304, and the reflecting surface 306 at described reflection hole 305 places also reflects away light reflection to the second light guide section 304 and the first light guide section 303 respectively through the second side 304b, the second bottom surface 304a and the first side 303c.In this embodiment, on described reflecting surface 306, vacuum is coated with aluminium lamination (not shown), and the second side 304b, the second bottom surface 304a and the first side 303c that a big chunk light is injected below after reflecting surface 306 reflections reflect away again.And in this embodiment, the reflecting surface 306 at reflection hole 305 places is vacuum aluminium coated layer, can realize the light that arrives reflecting surface 306 all being reflexed to the first light guide section 303 and the second light guide section 304 places reflect away, this has also just guaranteed the lighting angle of light.The lens of LED candle lamp of the present utility model, lighting angle reaches 300 ° of left and right (seeing accompanying drawing 5), and Fig. 5 is the utility model LED candle lamp lens lighting angle resolution chart.As shown in Figure 5, in figure, curve cover part shows, in C0 ° to C180 ° plane, the beam angle of the utility model LED candle lamp is about 306.0 °, in C90 ° to C270 ° plane, the beam angle of the utility model LED candle lamp is about 304.4 °, therefore, the lens of described LED candle lamp of the present utility model, the average beam angle that its luminous intensity equals 50% maximum light intensity has reached approximately 305.2 °.This just makes the utilization rate of light improve, and illumination effect is better.
Described the first light guide section 303 bottoms pedestal 301 upper surfaces are around provided with frosted layer (not shown).Described frosted layer can be covered the electric wire on the pcb board that is positioned at pedestal 301 belows, becomes attractive in appearance in details, and user can not observe directly electric wire from the outside of LED candle lamp.In this embodiment, the thickness of described frosted layer is not limited, can determine according to actual conditions.
The principle of luminosity of the utility model LED candle lamp lens is as follows: LED candle lamp in use, the LED lamp pearl that is positioned at light conductor bottom accommodating hole 302 emits beam, light is by upwards projection of bottom, through the first light guide section 303, part light is through the effect of light diffusion particle 307, the first side 303c through the first light guide section 303 reflects away, the first side 303c of light in addition on the first light guide section 303 carries out total reflection and arrives reflection hole 305, the reflecting surface 306 at reflection hole 305 places is vacuum aluminium coated layer, described reflecting surface 306 reflexes to the second side 304b by light, the second bottom surface 304a and the first 303c place, side reflect away.
LED candle lamp lens tool of the present utility model has the following advantages: (1) is owing to adding light inlet diffusion particle in lens, part light is reflected away through the first side, the second side, reach the effect of lens Integral luminous, improved the uniformity of light that of lens, solved ordinary lens and only had the brighter shortcoming in top place; (2) the utility model adds severe frosted layer at pedestal place, thereby has covered the electric wire on the pcb board of pedestal below, becomes attractive in appearance in details; (3) at the reflecting surface vacuum aluminium coated layer of reflection hole, after can being all reflected, the light that makes to arrive reflecting surface injects below, guaranteed lighting angle, lens lighting angle of the present utility model can reach 300 ° of left and right, has greatly improved luminous efficiency and illumination effect.
Above-mentioned explanation has fully disclosed the specific embodiment of the present utility model.It is pointed out that being familiar with any change that person skilled in art does the specific embodiment of the present utility model does not all depart from the scope of claims of the present utility model.Correspondingly, the scope of claim of the present utility model is also not limited only to previous embodiment.
Claims (9)
1. a LED candle lamp lens, it comprises lens body, it is characterized in that: described lens body comprises:
Pedestal, offers the accommodating hole of accommodating LED lamp pearl in it;
Light conductor, it is positioned at described pedestal top, and it comprises described light conductor the first light guide section, is positioned at the second light guide section of described the first light guide section upper end, and described the first light guide section is positioned at the upper end of described pedestal, and the top of described the second light guide section is provided with reflection hole,
In wherein said the first light guide section, include several smooth diffusion particles, it is inner that these several smooth diffusion particles are evenly distributed on described the first light guide section.
2. LED candle lamp lens according to claim 1, is characterized in that: axisymmetricly, described the first light guide section bottom pedestal upper surface is around provided with frosted layer to described light conductor.
3. LED candle lamp lens according to claim 1, is characterized in that: described the first light guide section comprises:
One first bottom surface;
One first end face, itself and described the first bottom surface are oppositely arranged;
One first side, it connects described the first bottom surface and described the first end face,
Wherein said the first bottom surface is a rounded face, and described the first end face is a rounded face, and described the first side is a convex arcwall face, and the area of described the first end face is less than the area of the first bottom surface.
4. LED candle lamp lens according to claim 3, is characterized in that: described the second light guide section comprises:
One second bottom surface, itself and described reflection hole are oppositely arranged;
One second side, it connects described the second bottom surface and described reflection hole, and wherein said the second bottom surface is a rounded face, and described the second lateral vertical is in described the second bottom surface.
5. LED candle lamp lens according to claim 4, is characterized in that: the second bottom surface of described the second light guide section is around described first end face of described the first light guide section, and described the second bottom surface and described the first end face coplanar.
6. LED candle lamp lens according to claim 1, is characterized in that: in described the second light guide section, include several smooth diffusion particles.
7. LED candle lamp lens according to claim 1, is characterized in that: the side of described reflection hole is to shrink and form to described the second light guide section lower surface center from the top of described the second light guide section.
8. LED candle lamp lens according to claim 1, is characterized in that: the side of described reflection hole is reflecting surface, on described reflecting surface, is coated with aluminium lamination.
9. LED candle lamp lens according to claim 1, is characterized in that: described pedestal and light conductor are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128773.3U CN203797563U (en) | 2014-03-20 | 2014-03-20 | Lens of LED (light emitting diode) candle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128773.3U CN203797563U (en) | 2014-03-20 | 2014-03-20 | Lens of LED (light emitting diode) candle lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797563U true CN203797563U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128773.3U Expired - Fee Related CN203797563U (en) | 2014-03-20 | 2014-03-20 | Lens of LED (light emitting diode) candle lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797563U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641903A (en) * | 2016-11-25 | 2017-05-10 | 横店集团得邦照明股份有限公司 | LED down lamp with rotating structure and realizing method thereof |
| CN106932855A (en) * | 2017-02-08 | 2017-07-07 | 江门吉华光电精密有限公司 | RGBW colour mixture light-guiding pillars |
-
2014
- 2014-03-20 CN CN201420128773.3U patent/CN203797563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641903A (en) * | 2016-11-25 | 2017-05-10 | 横店集团得邦照明股份有限公司 | LED down lamp with rotating structure and realizing method thereof |
| CN106932855A (en) * | 2017-02-08 | 2017-07-07 | 江门吉华光电精密有限公司 | RGBW colour mixture light-guiding pillars |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20180320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |