CN102367920A - LED (light emitting diode) wide angle floodlight - Google Patents
LED (light emitting diode) wide angle floodlight Download PDFInfo
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- CN102367920A CN102367920A CN201110302752XA CN201110302752A CN102367920A CN 102367920 A CN102367920 A CN 102367920A CN 201110302752X A CN201110302752X A CN 201110302752XA CN 201110302752 A CN201110302752 A CN 201110302752A CN 102367920 A CN102367920 A CN 102367920A
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention discloses an LED (light emitting diode) wide angle floodlight which comprises a lamp holder, a lamp bulb shell, a baseplate and multiple LED light sources, wherein the lamp bulb shell is fixed on the lamp holder, and the baseplate is fixed in the lamp bulb shell; and the baseplate comprises two fixed surfaces, the LED light sources are respectively distributed on the two fixed surfaces of the baseplate, and the baseplate is in hot connection with the lamp bulb shell. The LED wide angle floodlight provided by the invention has the advantages of simple structure, and high heat dissipation efficiency.
Description
Technical field
The present invention relates to the LED lighting, particularly a kind of LED wide-angle illuminating lamp.
Background technology
Led light source has long advantage of the high and low heating of luminous efficiency, power saving and life-span, so it is used more and more widely.Yet, be generally less than 180 degree because the solid luminescence characteristic of led light source makes that its light distribution angle degree is limited.In order to improve this drawback, enlarge the luminous intensity distribution angle, optical design teacher has proposed a method, is arranged in different directions to led light source exactly, such as the light source annular array is arranged in vertical direction.
In the patent No. of on January 5th, 2010 application is that 201020026276.4 Chinese utility model patent has disclosed a kind of polyhedron LED light fixture.This utility model comprises a polyhedron, and this polyhedron is located in the bulb shell, and a plurality of led light sources are located at this polyhedral each side and top.Though this method can reach bigger luminous intensity distribution angle, and guaranteed that illumination is also arranged at the cell-shell top, made the cell-shell overall light be evenly distributed.But still have following defective: 1. the production technology of this method is complicated; 2. because the led light source of this LED lamp is more, and the heat that is distributed is also more, and the area of dissipation of light fixture is less among the present invention, and its radiating efficiency is lower, causes in the actual use, and light fixture maybe be overheated and influence light fixture service life.
Summary of the invention
In view of this, be necessary to provide a kind of simple in structure, LED wide-angle illuminating lamp that radiating efficiency is high.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of LED wide-angle illuminating lamp; Comprise lamp holder, bulb shell, substrate and a plurality of led light source; This bulb shell is fixed on this lamp holder, and this substrate is fixed in this bulb shell, and this substrate comprises two stationary planes; Said led light source is distributed in respectively on two stationary planes of this substrate, this substrate and this bulb shell thermally coupled.
Compared with prior art, LED wide-angle illuminating lamp of the present invention is located at these led light sources respectively on two stationary planes of substrate through in this bulb shell, this substrate being set, and makes this LED lamp can realize the wide-angle illumination; Through with this substrate and this bulb shell thermally coupled, the heat that can effectively these led light sources be sent is passed on this bulb shell, and distributes through this bulb shell.This just makes LED wide-angle illuminating lamp of the present invention compare prior art to have bigger area of dissipation, thereby has advantage of higher cooling efficiency.
Description of drawings
Fig. 1 is the stereogram of LED wide-angle illuminating lamp in the first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of LED wide-angle illuminating lamp shown in Figure 1.
Fig. 3 is the three-dimensional exploded view of LED wide-angle illuminating lamp shown in Figure 1 along other direction.
Fig. 4 is the cutaway view along A-A line among Fig. 1.
Fig. 5 is the front view of LED wide-angle illuminating lamp second embodiment of the present invention.
Fig. 6 is the cutaway view along B-B line among Fig. 5.
Fig. 7 is the front view of LED wide-angle illuminating lamp the 3rd embodiment of the present invention.
Fig. 8 is the cutaway view along C-C line among Fig. 7.
The explanation of Reference numeral:
LED lamp-100,100a, 100b; Lamp holder-10; Radiator-20; Bulb shell-30,30a, 30b; Overhead guard-32,32a, 32b; Heat dissipating ring-34,34a, 34b; Heat radiation through hole-342a; End cover-36,36a, 36b; Substrate-40; Stationary plane-42,44; Led light source-50; Heat transfer pole-60; Reflector element-70; Reflecting plate-72,76; Reflection cover-74.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail.
The LED wide-angle illuminating lamp 100 of first embodiment of the invention please refer to Fig. 1 to Fig. 4.
Please refer to Fig. 1 to Fig. 3, LED wide-angle illuminating lamp 100 of the present invention mainly comprises a lamp holder 10, a radiator 20, a bulb shell 30, a substrate 40, a plurality of led light source 50, a heat transfer pole 60 and a reflector element 70.
Like Fig. 1, be provided with radiator 20 on this lamp holder 10, the bottom of this bulb shell 30 connect these radiator 20 tops and with its thermally coupled.This radiator 20 is fixed on this lamp holder 10, thereby makes this bulb shell be fixed on this lamp holder 10.
These led light sources 50 are surface attaching type led light source (SMD LED), and the lighting angle of each led light source 50 is 120 °.
Please refer to Fig. 1 to Fig. 4, this bulb shell 30 is the ball bubble structure of lower ending opening, and it comprises overhead guard 32, heat dissipating ring 34 and end cover 36.This overhead guard 32 is the circle shell-like structure, and this heat dissipating ring 34 is circular shell structure with this end cover 36.This overhead guard 32, heat dissipating ring 34 and end cover 36 are assembled successively from top to bottom and are formed this bulb shell 30.This heat dissipating ring 34 is a light face structure, and it is processed by aluminium alloy.This overhead guard 32 and this end cover 36 are processed by transparent material, which is provided with the printing opacity scattering material.The ratio of the height of this overhead guard 32, heat dissipating ring 34 and end cover 36 is 16: 7: 19.
Please refer to Fig. 2 to Fig. 4, this substrate 40 is located in this bulb shell 30, is formed in one with this heat dissipating ring 34, with this bulb shell 30 of thermally coupled.This substrate 40 is a slab construction.In this instance, this substrate 40 is made as parallel this lamp holder 10, and the distribution of light of this moment is comparatively desirable.This substrate 40 comprises two stationary planes 42,44, and these two stationary planes 42,44 are flattened on the two sides up and down (as shown in Figure 4) of this substrate 40.In the present embodiment, the power of these led light sources 50 is 0.3 watt, and those led light sources 50 are arranged at respectively on these two stationary planes 42,44.These led light sources 50 are electrically connected to this lamp holder 10 by the lead that passes this substrate 40 (not illustrating among the figure).Please with reference to Fig. 2, the stationary plane 42 that is positioned at these substrate 40 tops is provided with eight led light sources 50; Please with reference to Fig. 3, the stationary plane 44 that is positioned at these substrate 40 bottoms is provided with 12 led light sources 50; A plurality of led light sources 50 on two stationary planes 42,44 of this substrate 40 equi-spaced apart respectively are circumferential arrangement.The diameter of eight led light source 50 formed circumference on this stationary plane 42 and the diameter ratio of this substrate 40 are 2/5～2/3; Why set this ratio, if be because this ratio is too small, promptly those led light sources 50 this substrate 40 centers of deflection are provided with, and with making that the periphery of bulb shell 30 is dark excessively, and bulb shell 30 tops are bright excessively; And if this ratio is excessive, promptly those led light source 50 these substrate 40 arranged outside of deflection make that then these bulb shell 30 tops are dark excessively, and bulb shell 30 peripheries are bright excessively, set this ratio and will make that the distribution of light of bulb shell 30 is even.And, because the lighting angle of single led light source 50 is 120 °, through with them along the circumference setting, can make the light-emitting zone of a plurality of led light sources overlapping, thereby increase the lighting angle of this overhead guard 32 and this end cover 36, make it respectively near 180 °.The position of this substrate 40 in this bulb shell 30 can be according to required luminous intensity distribution angle adjustment.Preferably, the ultimate range of this overhead guard 32 to this substrate 40 is 3/4～4/5 with the ratio of this end cover 36 to ultimate range of this substrate 40.
Please refer to Fig. 4, this heat transfer pole 60 is a hollow-core construction, this substrate 40 of an end thermally coupled of this heat transfer pole 60, and the other end is fixed on this lamp holder 10 and the radiator 20 of this lamp holder 10 of thermally coupled; Led light source 50 on the stationary plane 44 of this substrate 40 is around this heat transfer pole 60.
Please refer to Fig. 2 to Fig. 4, this reflector element 70 comprises 74 and two reflecting plates 72,76 of a reflection cover, and wherein: this reflection cover 74 is sheathed on outside this heat transfer pole 60; This reflecting plate 72 is attached on the stationary plane 44 of this substrate 40; In order to cooperate this 12 led light sources 50; The position of corresponding those led light sources 50 is provided with 12 resigning holes (not illustrating in the Figure of description) on this reflecting plate 72; This led light source 50 is fixed within this resigning hole, is exposed to this resigning hole and perhaps high slightly with the flush of this reflecting plate 72, in order to avoid block the light that it sends; This reflecting plate 76 is attached on the end face at these radiator 20 tops, and this reflecting plate 72 is oppositely arranged with this reflecting plate 76, and reflection cover 74 is connected in these two reflecting plates 72, between 76.
During these LED wide-angle illuminating lamp 100 work; Be positioned at led light source 50 electrified light emittings on the stationary plane 42 of this substrate 40; 50 pairs of those led light sources should bulb shell 30 overhead guard 32; The light that it sent will shine on this overhead guard 32, because overhead guard 32 is provided with the printing opacity scattering material, so the distribution of light on the overhead guard 32 is even.Being positioned at the light that the led light source 50 on the stationary plane 44 of this substrate 40 sent disperses downwards; Expose on the below, reflection cover 72 of this cover 36 end and be attached on the reflecting plate 76 on the radiator 20, this reflection cover 72 reflexes to the end with light and covers 36 side, and this reflecting plate 76 not only reflexes to the end with light and covers 36 sides; Also upwards reflex on its corresponding reflecting plate 74; This reflecting plate 74 reflects light downwards again then, therefore makes the below of this end cover 36 that stronger distribution of light is also arranged, and has increased the lighting angle of this LED lamp 100; Because end cover 36 is provided with the printing opacity scattering material, so to cover the distribution of light of 36 sides even at the end.Owing to all be provided with the printing opacity scattering material on overhead guard 32 and the end cover 36, though therefore the heat dissipating ring 34 in the present embodiment is opaque aluminum component, can shading; When this led light source 50 is luminous; Light still can to all the winds shine under the effect of the printing opacity scattering material on this overhead guard 32 and the end cover 36, is launched downwards by overhead guard 32 like light, is also upwards launched by end cover 36; See that from afar light is not sheltered from by this heat dissipating ring 34.Like this, the lighting angle of this LED wide-angle illuminating lamp 100 can reach accurate 280 ° to 320 ° of the asterisk of american energy.
Because heat dissipating ring 34 is formed in one with substrate 40; Substrate 40, heat transfer pole 60 and radiator 20 thermally coupleds; Therefore during LED lamp 100 electrified light emittings, the heat that the led light source 50 on the substrate 40 produces not only is passed to radiator 20 through substrate 40, heat transfer pole 60 successively, is dispelled the heat to outside air by radiator 20 again; Also be passed to heat dissipating ring 34, dispel the heat to outside air by heat dissipating ring 34 again through substrate 40; Because the setting of heat dissipating ring 34, increased the area of dissipation of LED lamp 100, only utilize the radiating mode that radiator dispels the heat to compare with traditional light fixture, radiating efficiency is higher, helps prolonging light fixture service life.
In sum; LED wide-angle illuminating lamp 100 of the present invention of the present invention is through being provided with this substrate 40 in this bulb shell 30; These led light sources 50 are located at respectively on two stationary planes 42,44 of substrate 40, are made this LED wide-angle illuminating lamp 100 can realize the wide-angle illumination; Through with this substrate 40 and these bulb shell 30 thermally coupleds, the heat that can effectively these led light sources 50 be sent is passed on this bulb shell 30, and distributes through this bulb shell 30.This just makes LED wide-angle illuminating lamp 100 of the present invention compare prior art to have bigger area of dissipation, thereby has advantage of higher cooling efficiency.
Understandable, if this heat dissipating ring 34 is transparent thermal conductive ceramic, then need on overhead guard 32 and end cover 36, the printing opacity scattering material be set.The main purpose that this heat dissipating ring 34 is set is the heat that these led light sources 50 produce is outwards dispersed; If this bulb shell 30 adopts the material of printing opacity and high-termal conductivity; Like glass etc.; This substrate 40 is contacted with this bulb shell 30, between both interfaces, fill heat-conducting cream, thereby realize the thermally coupled of this substrate 40 and this bulb shell 30; This mode can be saved the setting of heat dissipating ring 34, simplified structure.In addition, this heat dissipating ring 34 can be discrete loop configuration, as long as itself and this substrate 40 thermally coupleds and being arranged on this bulb shell 30 just can realize its heat sinking function, but also can reduce shading.This substrate 40 also can be non-slab construction, and tetrahedral structure for example is so that install led light source 50 on more face.This substrate 40 also can be other angle settings with this lamp holder 10, and for example, this substrate 40 can be perpendicular with this lamp holder 10.
Fig. 5 to Fig. 6 has illustrated the LED lamp 100a that second embodiment of the invention disclosed; Its primary structure is basically the same as those in the first embodiment, and does not give unnecessary details at this, and difference is the structure of heat dissipating ring 34a; Offer a plurality of heat radiation through hole 342a on the side face of this heat dissipating ring 34a; This heat radiation through hole 342a is communicated with bulb shell 30a inside and space outerpace, can distribute to outside convection current by the heat that bulb shell 30a is inner, has improved radiating efficiency.Also can suitably increase and decrease the quantity of these heat radiation through holes 342a according to actual conditions.
Fig. 7 to Fig. 8 has illustrated the LED lamp 100b that third embodiment of the invention disclosed; Its primary structure is basically the same as those in the first embodiment; Do not give unnecessary details at this; Difference is: the heat dissipating ring 34 among first embodiment is level and smooth light face structure, and this heat dissipating ring 34b in the present embodiment is combined by a plurality of radiating fin 341 annulars, and this heat dissipating ring 34b also can be set to the unsmooth structure of other shape certainly.Through these a plurality of radiating fins 341 are set, can effectively increase the area of dissipation of this heat dissipating ring 34b.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (11)
1. LED wide-angle illuminating lamp; Comprise lamp holder, bulb shell, substrate and a plurality of led light source; This bulb shell is fixed on this lamp holder, it is characterized in that: this substrate is fixed in this bulb shell, and this substrate comprises two stationary planes; Said led light source is distributed in respectively on two stationary planes of this substrate, this substrate and this bulb shell thermally coupled.
2. LED wide-angle illuminating lamp according to claim 1 is characterized in that: this substrate is a slab construction.
3. LED wide-angle illuminating lamp according to claim 1; It is characterized in that: this bulb shell comprises overhead guard, heat dissipating ring and end cover; Between this heat dissipating ring was located at overhead guard and should be covered at the end, this heat dissipating ring and this substrate were one-body molded, this overhead guard and should cover at the end and be provided with the printing opacity scattering material.
4. according to claim 2 or 3 described LED wide-angle illuminating lamps, it is characterized in that: this substrate is parallel with this lamp holder, and the ultimate range of this overhead guard to this substrate is 3/4～4/5 with the ratio of this end cover to ultimate range of this substrate.
5. according to claim 2 or 3 described LED wide-angle illuminating lamps, it is characterized in that: the ratio of this overhead guard, heat dissipating ring and end cover height is 16: 7: 19.
6. LED wide-angle illuminating lamp according to claim 1; It is characterized in that: the stationary plane that is positioned at this substrate top is provided with eight led light sources; Said eight led light source equi-spaced apart are circumferential arrangement, and the diameter of this circumference and the diameter ratio of this substrate are 2/5～2/3.
7. according to claim 1 or 6 described LED wide-angle illuminating lamps, it is characterized in that: the stationary plane that is positioned at this base plate bottom is provided with 12 led light sources, and said 12 led light source equi-spaced apart are circumferential arrangement.
8. LED wide-angle illuminating lamp according to claim 1 is characterized in that: also comprise heat transfer pole and radiator, this radiator is fixed on this lamp holder, and an end of this heat transfer pole is connected with this substrate heat, and the other end is connected with this radiator heat.
9. LED wide-angle illuminating lamp according to claim 8; It is characterized in that: also comprise reflector element; This reflector element comprises reflection cover and two reflecting plates, and this reflection is sheathed on outside this heat transfer pole, and these two reflecting plates are located at the end face of this substrate bottom surface and this radiator respectively.
10. LED wide-angle illuminating lamp according to claim 1 is characterized in that: this heat dissipating ring is provided with at least one heat radiation through hole, and said heat radiation through hole is communicated with the inside and the space outerpace of this bulb shell.
11. according to claim 1 or 10 described LED wide-angle illuminating lamps, it is characterized in that: this heat dissipating ring is provided with a plurality of fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110302752XA CN102367920A (en) | 2011-09-30 | 2011-09-30 | LED (light emitting diode) wide angle floodlight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110302752XA CN102367920A (en) | 2011-09-30 | 2011-09-30 | LED (light emitting diode) wide angle floodlight |
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| CN102367920A true CN102367920A (en) | 2012-03-07 |
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| CN201110302752XA Pending CN102367920A (en) | 2011-09-30 | 2011-09-30 | LED (light emitting diode) wide angle floodlight |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102679215A (en) * | 2012-04-28 | 2012-09-19 | 宁波市鄞州威迪电子有限公司 | Light emitting diode (LED) bulb |
| CN102865558A (en) * | 2012-09-05 | 2013-01-09 | 重庆雷士实业有限公司 | Semiconductor illuminating device |
| CN103234124A (en) * | 2013-04-03 | 2013-08-07 | 宁波福泰电器有限公司 | All-directional LED light-emitting bulb lamp |
| CN103322455A (en) * | 2013-06-18 | 2013-09-25 | 生迪光电科技股份有限公司 | Wide-angle LED (light-emitting diode) lamp |
| CN103322441A (en) * | 2012-03-21 | 2013-09-25 | 宁波江北美泰照明电器有限公司 | G9-LED lamp and manufacturing method thereof |
| CN104100859A (en) * | 2013-04-15 | 2014-10-15 | 展晶科技(深圳)有限公司 | Light emitting diode lamp |
| CN104100926A (en) * | 2013-08-22 | 2014-10-15 | 浙江雷士灯具有限公司 | Split LED (light emitting diode) bulb lamp cover and full-angle LED bulb lamp based on same |
| CN104110646A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle multi-color-temperature LED bulb. |
| CN104110588A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| WO2016107513A1 (en) * | 2014-12-31 | 2016-07-07 | 潘文莘 | Light emitting diode lamp bulb structure |
| CN106151932A (en) * | 2015-04-16 | 2016-11-23 | 正屋(厦门)电子有限公司 | A kind of dual-side LED lamp structure |
| CN106641792A (en) * | 2017-01-25 | 2017-05-10 | 浙江安吉成新照明电器有限公司 | LED lighting lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103322441A (en) * | 2012-03-21 | 2013-09-25 | 宁波江北美泰照明电器有限公司 | G9-LED lamp and manufacturing method thereof |
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| CN102865558A (en) * | 2012-09-05 | 2013-01-09 | 重庆雷士实业有限公司 | Semiconductor illuminating device |
| CN102865558B (en) * | 2012-09-05 | 2015-09-02 | 雷士照明（中国）有限公司 | Semiconductor illumination device |
| CN103234124A (en) * | 2013-04-03 | 2013-08-07 | 宁波福泰电器有限公司 | All-directional LED light-emitting bulb lamp |
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| CN104110588A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| CN104110646A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle multi-color-temperature LED bulb. |
| CN104110588B (en) * | 2013-04-18 | 2016-12-28 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| CN103322455A (en) * | 2013-06-18 | 2013-09-25 | 生迪光电科技股份有限公司 | Wide-angle LED (light-emitting diode) lamp |
| CN104100926A (en) * | 2013-08-22 | 2014-10-15 | 浙江雷士灯具有限公司 | Split LED (light emitting diode) bulb lamp cover and full-angle LED bulb lamp based on same |
| CN104100926B (en) * | 2013-08-22 | 2016-08-10 | 浙江雷士灯具有限公司 | Split type LEDbulb lamp lampshade and All-directional LED bulb lamp based on this lampshade |
| WO2016107513A1 (en) * | 2014-12-31 | 2016-07-07 | 潘文莘 | Light emitting diode lamp bulb structure |
| CN105805606A (en) * | 2014-12-31 | 2016-07-27 | 潘文莘 | Light emitting diode bulb structure |
| CN106151932A (en) * | 2015-04-16 | 2016-11-23 | 正屋(厦门)电子有限公司 | A kind of dual-side LED lamp structure |
| CN106641792A (en) * | 2017-01-25 | 2017-05-10 | 浙江安吉成新照明电器有限公司 | LED lighting lamp |
| CN106641792B (en) * | 2017-01-25 | 2024-01-09 | 河北银环照明工程有限公司 | LED illuminating lamp |
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Address after: The Lake District of Xiamen City, Fujian province 361010 Fang Hubei road two No. 1511 leedarson company Applicant after: LEELEDS LIGHTING (XIAMEN) CO., LTD. Address before: The Lake District of Xiamen City, Fujian province 361010 Fang Hubei road two No. 1511 leedarson company Applicant before: Xiamen Liming Photoelectric Co., Ltd. |
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Application publication date: 20120307 |