CN103062636A - Light-emitting diode (LED) bulb and reflector cup thereof - Google Patents
Light-emitting diode (LED) bulb and reflector cup thereof Download PDFInfo
- Publication number
- CN103062636A CN103062636A CN2011103187124A CN201110318712A CN103062636A CN 103062636 A CN103062636 A CN 103062636A CN 2011103187124 A CN2011103187124 A CN 2011103187124A CN 201110318712 A CN201110318712 A CN 201110318712A CN 103062636 A CN103062636 A CN 103062636A
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- led
- reflecting curved
- curved surface
- cup
- reflector
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Abstract
The invention provides a light-emitting diode (LED) bulb and a reflector cup thereof. Due to a plurality of petal-shaped first reflective curve faces arranged on a cup body and a conical second reflective curve face arranged on the bottom of the cup body, light emitted by the LED can be reflected at different angles, and therefore the illumination angle and the illumination area of the LED bulb are increased.
Description
Technical field
The present invention relates to a kind of LED lighting field, relate in particular to a kind of LED bulb lamp and reflector thereof.
Background technology
The LED lamp is a kind of novel Energy--Saving Illuminating Source, and it has the luminous efficiency height, the life-span is long, radiation is low, voltage is low, volume is little, toggle speed is fast, safety, energy-conserving and environment-protective, antidetonation resistance to compression, the characteristics such as easy to control.The kind of LED light fixture is a lot, comprises LED bulb lamp, LED tube lamp, LED Solar lamp etc.In order to improve the luminous efficiency of LED lamp, often around LED, be provided with reflector, the part light that LED is sent penetrates in the exiting surface of LED lamp by this reflector.
As shown in Figure 1, Fig. 1 is a kind of existing LED bulb lamp.This LED bulb lamp 1 comprises reflector 2, and this reflector 2 has the reflecting curved surface for conical surface shape, and a plurality of LED3 are arranged at the bottom of the cone of this conical surface shape reflecting curved surface on 5, and these a plurality of LED3 are connected on the circuit board 4, and reflector 2 and LED3 are located on the support 6 altogether.The reflector 2 of this conical surface shape although the light on the oblique direction that LED can be sent sends from exiting surface after reflecting, because rising angle is too narrow and small, makes the field of illumination of LED lamp very limited, is unfavorable for that domestic lighting uses.
Therefore, be necessary the reflector of existing LED bulb lamp is improved, to solve the too narrow and small problem in field of illumination.
Summary of the invention
In view of this, the invention provides a kind of LED bulb lamp, this LED bulb lamp is provided with a reflector with a plurality of reflecting curved surfaces, and by this reflector, the light that sends from LED can send from a plurality of angles, thus the field of illumination that has increased the LED bulb lamp.
For achieving the above object, the invention provides following technical scheme:
A kind of reflector of LED bulb lamp, comprise cup and the cup end, described cup is lotus flower platform shape, this cup is provided with a plurality of petal-like the first reflecting curved surfaces, the described cup end, be provided with the second reflecting curved surface of a plurality of lamp holes and cone column, in the middle of at the bottom of the second reflecting curved surface of this cone column is arranged at glass, these a plurality of lamp holes are arranged in the middle of this first reflecting curved surface and the second reflecting curved surface, and are surrounded on around this second reflecting curved surface.
Optionally, be provided with down parabola shaped interval between described adjacent two the first reflecting curved surfaces.
Optionally, the facade at described interval and bottom surface form the 3rd reflecting curved surface of described reflector.
Optionally, the slope of described the first reflecting curved surface is less than the slope of described the second reflecting curved surface.
Simultaneously, the invention allows for a kind of LED bulb lamp, comprise base, led circuit plate, lampshade and aforesaid glow cup.
Optionally, described led circuit plate is arranged between base and the glow cup, and this led circuit plate is provided with a plurality of LED, and these a plurality of LED see through a plurality of lamp holes of described cup at the end.
Optionally, described lampshade is on described reflector, and this lampshade has the edge of a plurality of concaveconvex structures, the lotus flower platform shape cup of corresponding described reflector.
Optionally, described lampshade is provided with diffusing structure.
Can find out from technique scheme, the reflector of LED bulb lamp of the present invention, at cup a plurality of petal-like the first reflecting curved surfaces are set, the second reflecting curved surface of cone column is set at the bottom of cup, so that the light that LED sends can multi-angle be reflected away, thereby increased the lighting angle of whole LED bulb lamp, increased the field of illumination of LED bulb lamp.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing relevant of the present invention in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of existing LED lamp;
Fig. 2 is the schematic appearance of LED bulb lamp of the present invention;
Fig. 3 is the exploded perspective view in the LED bulb lamp of the present invention;
Fig. 4 be in the LED bulb lamp of the present invention reflector and lampshade partly cut open stereogram;
Fig. 5 is the generalized section of LED bulb lamp removal connecting portion of the present invention;
Fig. 6 is the reflector face upwarding stereogram of LED bulb lamp of the present invention.
100, LED bulb lamp 10, base 20, led circuit plate 30, reflector 40, lampshade 11, connecting portion 12, radiating part 13, heat dissipating housing 131, round base portion 132, radiator shutter 133, buckle slot 21, LED 31, cup 32, the cup end 311, the first reflecting curved surface 312, interval 313, the 3rd reflecting curved surface 321, lamp hole 322, the second reflecting curved surface 33, clamping part
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is described in detail, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work belongs to the scope of protection of the invention.
The present invention proposes a kind of LED bulb lamp and reflector thereof, the reflector of this LED bulb lamp is by arranging a plurality of petal-like the first reflecting curved surfaces at cup, the second reflecting curved surface of cone column is set at the bottom of cup, so that the light that LED sends can multi-angle be reflected away, thereby increased the lighting angle of whole LED bulb lamp, increased the field of illumination of LED bulb lamp.
See also Fig. 2 to Fig. 6, described LED bulb lamp 100 comprises base 10, led circuit plate 20, reflector 30 and lampshade 40.
Described base 10 plays a part to connect power supply, take in led circuit plate and heat radiation.This base 10 comprises the connector portions 11 that the connection power supply is used and works the radiating part 12 of taking in thermolysis.This connector portions 11 is screw joint or the snap-fitting of the conventional usefulness of household illuminating lamp.This radiating part 12 comprises the heat dissipating housing 13 of hollow and the radiator structure (not shown) that is positioned at heat dissipating housing 13 inside.Described heat dissipating housing 13 comprises the round base portion 131 of hollow and the some radiator shutters 132 that extend from circular base portion 131 outside flares, and these some radiator shutters 132 evenly distribute.
The led circuit plate 20 of telling is arranged between described base 10 and the reflector 30, comprises a plurality of LED21 on this led circuit plate 20 and drives the luminous drive circuit of these a plurality of LED.After the assembling, this led circuit plate 20 is incorporated in the hollow space of described round base portion 131, and is connected on the connecting portion 11 by electric wire.
Described heat dissipating housing 13 is provided with buckle slot 133, and described reflector 30 is provided with the clamping part 33 that mutually holds with buckle slot 133, so arranges, and reflector 30 and radiating part 12 are linked together.
See also Fig. 4 and shown in Figure 5, described reflector 30 comprises cup 31 and the cup end 32, described cup 31 is lotus flower platform shape, and this cup 31 is provided with a plurality of petal-like the first reflecting curved surfaces 311, and the quantity of this first reflecting curved surface 311 is identical with the quantity of described radiator shutter 132.The described cup end 32, be provided with the second reflecting curved surface 322 of a plurality of lamp holes 321 and cone column, at the bottom of the second reflecting curved surface 322 of this cone column is arranged at glass in the middle of 32, these a plurality of lamp holes 321 are arranged in the middle of this first reflecting curved surface 311 and the second reflecting curved surface 322, and are surrounded on around this second reflecting curved surface 322.
When this LED bulb lamp was combined, this reflector 30 was incorporated in the round base portion 131 of described heat dissipating housing 13 with led circuit plate 20.At this moment, a plurality of lamp holes 321 of the corresponding cup of a plurality of LED21 at the end 32 on the led circuit plate, and carry out luminous through these a plurality of lamp holes 321.
Be provided with down parabola shaped interval 312 between described adjacent two the first reflecting curved surfaces 311, the facade at this interval 312 and bottom surface form the 3rd reflecting curved surface 313 of described reflector.
The slope of described the first reflecting curved surface 311 is less than the slope of described the second reflecting curved surface 322.Transition region between this first reflecting curved surface 311 and described the 3rd reflecting curved surface 313 also is provided with a plurality of little optical surfaces simultaneously, and these little optical surfaces can be so that petal-like the first reflecting curved surface 311 has certain stereoeffect.
The below is again to the analysis that is used as of each reflecting curved surface.
Please consult again Fig. 4 and Fig. 5, usually, for the illuminated LED in top, its lighting angle is approximately about 120 degree, therefore for the first reflecting curved surface 311, it mainly reflects the rim ray from the LED luminous zone, and the part reflection ray of the second reflecting curved surface 322 and lampshade 40.The reflector of the prior art of comparing, the improvements of this first reflecting curved surface 311 are to fall between the design of petal type and the petal parabola shaped interval.Design for petal type, because the optical surface that is respectively equipped with the different curvature Different Slope at zone line and the fringe region of the first reflecting curved surface 311, increased the randomness of optical reflection direction, not only increased reflection angle, but also made the light zone homogenising on all directions.For falling parabola shaped interval 312 design, interval 312 itself can be used for doing exiting surface, and namely part light for bulb lamp, can increase the diffusion zone of light directly from the interval outgoing.Simultaneously, also designed the 3rd reflecting curved surface 313 falling parabolical facade and bottom surface, can enrich so the in this section reflection angle in zone of light, thereby so that the light that the interval goes out to send has been more all even soft.
For the second emission curved surface 322, it mainly reflects the most of skew raies from LED21 one side, and the minority reverberation of lampshade 40 and the first reflecting curved surface 322.It should be noted that, because this second reflecting curved surface 322 has the cone columnar shape, top in this cone columnar shape also has round and smooth reflective surface, this part reflective surface can be directly with the upwards reflection of light from lampshade 40, and this top has certain curvature and changes, so that emission of light has abundant reflection angle, can be so that the central brightness of LED bulb lamp has uniform effect equally.The prior art of comparing, this second reflecting curved surface 322 is that the present invention can realize the key Design that wide-angle is luminous.Because 322 designs of this second reflecting curved surface are in the side of LED, and this second reflecting curved surface 322 has larger slope, so that the light that the LED lamp sends mostly is reflected in the oblique part near this side.So, this part skew ray that originally can directly penetrate from end face, reflection by the second reflecting curved surface 322, to penetrate from the side of bulb lamp, and because the surface curvature change of this second reflecting curved surface 322, so that utilizing emitted light has very large reflection angle, therefore greatly increased the lighting angle of LED bulb lamp, enlarged the field of illumination of LED bulb lamp.
Please consult again Fig. 2 to Fig. 3, above this reflector 30, also be covered with lampshade 40, this lampshade 40 has the edge 41 of a plurality of concaveconvex structures, the lotus flower platform shape cup 31 of the corresponding described reflector 30 of these concaveconvex structures, explanation described above is the same, part light directly appears by the edge 41 from lampshade 40 in the interval 312, and part then appears from the spherical part of lampshade 40 in addition.
Optionally, described lampshade 40 is provided with diffusing structure, and this radiator structure can be to carry out coating at lampshade 40, and scattering material is coated on the inboard of lampshade 40, also can carry out frosting technology to lampshade 40, makes the lampshade surface have trickle concaveconvex structure.So not only can avoid light to upload at lampshade 40 and form total reflection sowing time, in the time of also can making light through lampshade 40, form uniform emergent light.
In sum, the present invention proposes a kind of LED bulb lamp and reflector thereof, the reflector of this LED bulb lamp is by arranging a plurality of petal-like the first reflecting curved surfaces at cup, the second reflecting curved surface of cone column is set at the bottom of cup, and interval and the 3rd reflective surface be set between adjacent the first reflecting curved surface, so that the light that LED sends can multi-angle be reflected away, the existing LED bulb lamp of comparing, LED bulb lamp of the present invention has following technique effect:
First: because the optical surface that is respectively equipped with the different curvature Different Slope at zone line and the fringe region of the first reflecting curved surface, increased the randomness of optical reflection direction, not only increased reflection angle, thereby but also make light zone homogenising on all directions increase the lighting angle of whole LED bulb lamp, increased the field of illumination of LED bulb lamp.
Second: the interval itself that arranges between adjacent the first reflecting curved surface can be used for doing exiting surface, and namely part light for bulb lamp, can increase the diffusion zone of light directly from the interval outgoing.And the 3rd reflecting curved surface has also been designed in facade and bottom surface at the interval, can enrich so the in this section reflection angle in zone of light, thereby so that the light that the interval goes out to send is more all even soft.
The 3rd: because the second reflecting curved surface design is in the side of LED, and this second reflecting curved surface has larger slope, so that the light that the LED lamp sends mostly is reflected in the oblique part near this side.So, this part skew ray that originally can directly penetrate from end face, reflection by the second reflecting curved surface, to penetrate from the side of bulb lamp, and because the surface curvature change of this second reflecting curved surface, so that utilizing emitted light has very large reflection angle, therefore greatly increased the lighting angle of LED bulb lamp, enlarged the field of illumination of LED bulb lamp.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the reflector of a LED bulb lamp, it is characterized in that: described reflector comprises cup and the cup end, described cup is lotus flower platform shape, this cup is provided with a plurality of petal-like the first reflecting curved surfaces, the described cup end, be provided with the second reflecting curved surface of a plurality of lamp holes and cone column, in the middle of at the bottom of the second reflecting curved surface of this cone column is arranged at glass, these a plurality of lamp holes are arranged in the middle of this first reflecting curved surface and the second reflecting curved surface, and are surrounded on around this second reflecting curved surface.
2. glow cup as claimed in claim 1 is characterized in that: be provided with down parabola shaped interval between described adjacent two the first reflecting curved surfaces.
3. reflector as claimed in claim 2, it is characterized in that: the facade at described interval and bottom surface form the 3rd reflecting curved surface of described reflector.
4. reflector as claimed in claim 1, it is characterized in that: the slope of described the first reflecting curved surface is less than the slope of described the second reflecting curved surface.
5. a LED bulb lamp comprises base, led circuit plate, lampshade, it is characterized in that: described LED bulb lamp also comprises glow cup as claimed in claim 1.
6. bulb lamp as claimed in claim 5, it is characterized in that: described led circuit plate is arranged between base and the glow cup, and this led circuit plate is provided with a plurality of LED, and these a plurality of LED see through a plurality of lamp holes of described cup at the end.
7. bulb lamp as claimed in claim 5, it is characterized in that: described lampshade is on described reflector, and this lampshade has the edge of a plurality of concaveconvex structures, the lotus flower platform shape cup of corresponding described reflector.
8. bulb lamp as claimed in claim 5, it is characterized in that: described lampshade is provided with diffusing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103187124A CN103062636A (en) | 2011-10-19 | 2011-10-19 | Light-emitting diode (LED) bulb and reflector cup thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103187124A CN103062636A (en) | 2011-10-19 | 2011-10-19 | Light-emitting diode (LED) bulb and reflector cup thereof |
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| Publication Number | Publication Date |
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| CN103062636A true CN103062636A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103187124A Pending CN103062636A (en) | 2011-10-19 | 2011-10-19 | Light-emitting diode (LED) bulb and reflector cup thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106871040A (en) * | 2017-03-10 | 2017-06-20 | 厦门佰明光电股份有限公司 | A kind of multi-purpose vehicle(MPV) signal lamp |
| CN108954225A (en) * | 2018-08-31 | 2018-12-07 | 区凤桂 | A kind of lamp decoration |
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Application publication date: 20130424 |