CN102261587A - Large-angle light distribution LED lamp - Google Patents
Large-angle light distribution LED lamp Download PDFInfo
- Publication number
- CN102261587A CN102261587A CN201110167307A CN201110167307A CN102261587A CN 102261587 A CN102261587 A CN 102261587A CN 201110167307 A CN201110167307 A CN 201110167307A CN 201110167307 A CN201110167307 A CN 201110167307A CN 102261587 A CN102261587 A CN 102261587A
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- lampshade
- light distribution
- luminescence unit
- transfer substrate
- heat transfer
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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
A large-angle light distribution LED (Light-Emitting Diode) lamp comprises a lampshade, a light-emitting unit and a heat-transfer substrate, wherein the light-emitting unit is arranged on the heat-transfer substrate; the lampshade is arranged to cover the light-emitting unit and provided with inverted cone-shaped sidewalls; the bottom end of the lampshade is arranged in the vicinity of the heat-transfer substrate; the light-emitting unit comprises an LED light source and a light distribution element; the light distribution element is arranged with respect to the inverted cone-shaped sidewalls and covers the LED light source; and the light distribution element is used for distributing more light emitted by the LED light source to the inverted cone-shaped sidewalls of the lampshade. The large-angle light distribution LED lamp of the invention has the advantages of simple structure and convenience for manufacture.
Description
Technical field
The present invention relates to a kind of LED lamp, particularly a kind of wide-angle light distribution LED lamp.
Background technology
At present, adopt the illuminating lamp of led light source by the market extensive use.Yet because the solid luminescence characteristic of led light source, it is difficult to accomplish whole lamp wide-angle luminous lighting as incandescent lamp.COB (Chip On Board) type LED lamp particularly, its led light source adopts the mode of COB directly to be fixed on the heat transfer substrate of LED lamp, though improved the radiating efficiency of LED lamp,, because this heat transfer substrate is dull and stereotyped, the lighting angle of this LED lamp will be less than 180 degree.Luminous for the wide-angle that realizes the led light source illuminating lamp, on June 9th, 2010, the Chinese utility model patent CN201502906U of bulletin disclosed a kind of LED illuminating lamp.This LED illuminating lamp comprises a lampshade and a base that is connected with described lampshade, be provided with holder in the cavity that forms between described lampshade and the base, described holder is provided with some LED, described holder is spliced each other by some installing plates that are obliquely installed, be equipped with at least one LED on described each installing plate, described holder upper end is provided with a horizontally disposed top board, and described top board is provided with at least one LED, described holder lower end is provided with a base plate, and described base plate is connected with a power panel.This utility model makes the LED illuminating lamp realize the wide-angle illumination by on installing plate that respectively is obliquely installed and horizontally disposed top board some LED being set.
Yet this LED illuminating lamp is in order to realize wide-angle illumination, needs to be provided with the holder that the installing plate by a plurality of inclinations is spliced, and a plurality of LED are arranged on this holder, and this just makes and is not easy to the installation difficulty comparatively of led light source wiring board make.And, because a plurality of led light sources need be set, making the structure more complicated of this LED illuminating lamp, cost is higher.
Summary of the invention
In view of this, be necessary to provide a kind of simple in structure, wide-angle light distribution LED lamp of being convenient to make.
One of the technical solution adopted in the present invention is:
A kind of wide-angle light distribution LED lamp comprises lampshade, luminescence unit and heat transfer substrate, and wherein: this luminescence unit is arranged on this heat transfer substrate; This lampshade covers at outside this luminescence unit, and this lampshade has the back taper sidewall, and the bottom of this lampshade is provided with near this heat transfer substrate; This luminescence unit comprises led light source and light distribution element, and this light distribution element is to should the setting of back taper sidewall and be covered with this led light source, and the light that this light distribution element is used for that this led light source is sent is distributed in the back taper sidewall of this lampshade more.
In one preferred embodiment, the led light source of this luminescence unit is fixed on this heat transfer substrate, and this heat transfer substrate is a slab construction.
In one preferred embodiment, also comprise annular reflecting component, this reflecting component has the taper anchor ring, and this reflecting component is to being arranged between this luminescence unit and this lampshade by luminescence unit, and this conical ring face is provided with towards this luminescence unit.
In one preferred embodiment, also comprise radiating piece, the top of this radiating piece upwards protrudes out and forms an annular flange, and this heat transfer substrate is contained within this flange, the bottom of this lampshade and this flange thermally coupled.
In one preferred embodiment, this lampshade is provided with scattering material.
In one preferred embodiment, the top of this lampshade is arranged with, and makes to be provided with taper seat towards this lampshade top of this luminescence unit.
In one preferred embodiment, the top of this lampshade forms ellipsoid away from this luminescence unit protuberance.
Two of the technical solution adopted in the present invention is:
A kind of wide-angle light distribution LED lamp comprises lampshade, luminescence unit and heat transfer substrate, and wherein: this luminescence unit is arranged on this heat transfer substrate, and this heat transfer substrate is a slab construction; This lampshade covers at outside this luminescence unit, and has the back taper sidewall, and this lampshade can carry out scattering to light, and the bottom of this lampshade is provided with near this heat transfer substrate, and the back taper sidewall of this lampshade and the angle of this heat transfer substrate are 30～50 degree; This luminescence unit is a led light source, and the lighting angle of this led light source is 140～180 degree.
In one preferred embodiment, the top of this lampshade is arranged with, and makes to have the taper seat of being provided with towards this lampshade top of this luminescence unit.
In one preferred embodiment, also comprise annular reflecting component, this reflecting component has the taper anchor ring, and this reflecting component is to being arranged between this luminescence unit and this lampshade by luminescence unit, and this conical ring face is provided with towards this luminescence unit.
Compared with prior art, wide-angle light distribution LED lamp of the present invention is by being arranged on this led light source on this heat transfer substrate, this light distribution element is located at around the led chip of this led light source, this lampshade is arranged on around this light distribution element, utilize this light distribution element that this led light source is carried out secondary light-distribution, more light is distributed on the sidewall of this lampshade, utilizes this taper angled side walls luminous intensity distribution backward again, thereby the wide-angle that realizes this wide-angle light distribution LED lamp integral body is luminous.Owing to saved structures such as holder of the prior art, made wide-angle light distribution LED light fixture of the present invention that advantage simple in structure, that be convenient to make be arranged.In addition, bigger at the lighting angle of this led light source, be 140～180 when spending, the setting that can save this light distribution element by the back taper sidewall that this lampshade is set, thereby further simplified structure.
Description of drawings
Fig. 1 is the three-dimensional exploded view of wide-angle light distribution LED lamp first embodiment of the present invention.
Fig. 2 is the three-dimensional assembly diagram of wide-angle light distribution LED lamp shown in Figure 1.
Fig. 3 is the cutaway view along A-A line among Fig. 1.
Fig. 4 is the schematic diagram of wide-angle light distribution LED lamp second embodiment of the present invention.
Fig. 5 is the schematic diagram of wide-angle light distribution LED lamp the 3rd embodiment of the present invention.
The explanation of Reference numeral:
Wide-angle light distribution LED lamp-100; Body-10; Radiating piece-20; Circular flange-22; Heat transfer substrate-30; Led light source-40; Led chip-42; Wiring board-44; Light distribution element-50; Light distribution element top-52; Light distribution element side ring-54; Light distribution element outer surface-56; Light distribution element inner surface-58; Reflecting component-60; Taper anchor ring-62; Lampshade-70,70a, 70b; Lampshade top-72,72a, 72b; Lampshade sidewall-74; Lampshade bottom-76; Top taper seat-78a; Top ellipsoid-80b.
The specific embodiment
Fig. 1 to Fig. 3 has illustrated the first embodiment of the present invention.
Figure 1 shows that the three-dimensional exploded view of wide-angle light distribution LED lamp first embodiment of the present invention, this wide-angle light distribution LED lamp 100 comprises a body 10, a radiating piece 20, a heat transfer substrate 30, a luminescence unit, a reflecting component 60 and a lampshade 70.The bottom of this radiating piece 20 is fixed on this body 10, and this heat transfer substrate 30 is a slab construction, and the top that it is fixed on this radiating piece 20 makes that these heat transfer substrate 30 relative these bodys 10 are fixing.This luminescence unit comprises a led light source 40 and a light distribution element 50, this led light source 40 adopts the mode of COB (Chip On Board) directly to be fixed on this heat transfer substrate 30, the heat that makes this led light source 40 send can be directly delivered on this heat transfer substrate 30, thereby improves the radiating efficiency of this wide-angle light distribution LED lamp; Among the present invention, this light distribution element 50 is lens, it is located at around this led light source 40, this reflecting component 60 has a taper anchor ring 62, this taper anchor ring 62 is provided with towards this luminescence unit, and to should light distribution element 50 being arranged on the periphery of this light distribution element 50, this lampshade 70 and these radiating piece 20 thermally coupleds and be located at the periphery of this reflecting component 60.
Please refer to Fig. 1 to Fig. 3, the top of this radiating piece 20 upwards protrudes out and is provided with a circular flange 22.This heat transfer substrate 30 is fixed on the top of this radiating piece 20 and is housed within this flange 22.This led light source 40 is fixed on the middle part of this heat transfer substrate 30.This led light source 40 comprises a led chip 42 and a wiring board 44, and this led chip 42 is located on this wiring board 44, and the two is bolted in this heat transfer substrate 30 end faces.During work, the heat that this led chip 42 sends is passed to this heat transfer substrate 30 by this wiring board 44.This led chip 42 can be selected high-power LED chip for use according to concrete lighting demand.
Please refer to Fig. 1 to Fig. 3, this lampshade 70 is one-body molded by transparent material, is coated with on the inner surface of this lampshade 70 through scattering material (figure does not show), should see through scattering material and be used for the light that passes this lampshade 70 is carried out scattering.Please refer to Fig. 3, this lampshade 70 can be divided into top 72, back taper sidewall 74 and bottom 76 from top to bottom, and wherein, the edge on this top 72 extends to form this back taper sidewall 74 down.This back taper sidewall 74 is the back taper circulus.This bottom 76 is a circular ring structure, makes these lampshade 70 integral body be the semi-closed structure of bottom opening.The bottom 76 of this lampshade 70 is provided with near this heat transfer substrate 30.This bottom 76 be sheathed within the flange 22 at these radiating piece 20 tops the surface with these radiating piece 20 thermally coupleds.The external diameter of these top 72 maximums makes these lampshade 70 side-lookings be the isosceles trapezoidal structure of handstand greater than the external diameter of this bottom 76.
Please refer to Fig. 1 and Fig. 3, this light distribution element 50 comprises top 52 and the side ring 54 that is connected this top 52, the light that this light distribution element 50 is used for this led light source 40 is sent carries out secondary light-distribution, and the light that this led light source 40 is sent is distributed on the sidewall 74 of this lampshade 70 more.Please refer to Fig. 3, this light distribution element 50 outer surface 56 up has hemispherical profiles, and this light distribution element 50 has the upwards ellipsoid shape profile of protuberance towards the inner surface 58 of this led chip 42.This light distribution element 50 utilizes inner surface 58 and this outer surface 56 different shapes to realize to side ring 54 direction polygamy light.
When assembling this LED lamp 100, need earlier this led light source 40 to be installed in the middle part of this heat transfer substrate 30, again this light distribution element 50 is located at this led light source 40 around; Then, this reflecting component 60 is located at the peripheral of these lens 60 and being fixed on this heat transfer substrate 30; At last, thus the bottom 76 of this lampshade 70 is fixed on the assembling of finishing this LED lamp 100 between this reflecting component 60 and this flange 22.
When these LED lamp 100 work, the light that this led chip 42 sends is made more light be distributed on the sidewall 74 of this lampshade 70 by these light distribution element 50 secondary distribution, thereby makes that the curve of light distribution of these LED lamp 100 integral body is more even.Because this sidewall 74 is the back taper circulus, and the bottom of this lampshade 70 is connected with the flange 22 of this radiating piece 20, makes this sidewall 74 stretch out this circular flange 22 diametrically.Because be coated with the scattering coating on this lampshade 70, the light that is radiated on this lampshade 70 will outwards be dispersed uniformly.Like this, this sidewall 74 will be luminous on the direction of this body 10, thereby make the rising angle of LED lamp 100 much larger than 180 degree, can reach 260～280 degree.In addition, because this reflecting component 50 is arranged between this light distribution element 50 and this lampshade 70, and this reflecting component 60 has the taper anchor ring 62 to 50 inclinations of this light distribution element, will be from the light that this light distribution element 50 is sent by the upwards reflection of taper anchor ring 62 of this reflecting component 60, comprising the light that originally shines on this heat transfer substrate 30, thereby the light that reinforcement is sent from this top 72, the light distribution that makes this LED lamp 100 send is more even.
In sum, wide-angle light distribution LED lamp 100 of the present invention is by being arranged on this led light source 40 on this heat transfer substrate 30, this light distribution element 50 is located at around the led chip 42 of this led light source 40, this lampshade 70 is arranged on around this light distribution element 50, utilize 50 pairs of these led light sources 40 of this light distribution element to carry out secondary light-distribution, more light is distributed on the sidewall 74 of this lampshade 70, utilize this taper angled side walls 74 luminous intensity distribution backward again, thereby the wide-angle that realizes this wide-angle light distribution LED lamp 100 integral body is luminous, and makes that the curve of light distribution of this LED lamp 100 is more even.Because this LED lamp 100 only adopts a led chip 42, light distribution element 50 and lampshade 70 just to realize that wide-angle is luminous, has advantage of simple structure.
The second embodiment of the present invention please refer to Fig. 4, its primary structure and assembling mode are basically the same as those in the first embodiment, do not give unnecessary details at this, the difference of itself and first embodiment is, the top 72a end face of its lampshade 70a is to lower recess, make this top 72a to should luminescence unit being a taper seat 78a, therefore the distance at led light source 40 and this lampshade 70B top near than among first embodiment, since former should light distribution element 50 upwards luminous intensity distribution is less, and by after this taper seat 78a, the light that led light source 40 sends to this lampshade top 72a will be strengthened, make when this wide-angle light distribution LED lamp is luminous, its top 72a is consistent with the light intensity at other position of lampshade, and overall brightness is even.
The third embodiment of the present invention please refer to Fig. 5, its primary structure and assembling mode are basically the same as those in the first embodiment, do not give unnecessary details at this, the difference of itself and first embodiment is that the end face of the top 72b of its lampshade 70b forms ellipsoid 80b away from this luminescence unit protuberance.
Lampshade among first and second embodiment of the present invention is an inverted cone-shaped structure, and promptly the end face of this lampshade is circular; Certainly, the shape of lampshade is not limited thereto, and the end face of this lampshade can be made as shapes such as triangle, square or ellipse, and correspondingly, its outer shape is inverted triangle piece, wedge or circular cone etc.
Among first to the 3rd embodiment of the present invention,, make that these its led light source 40 lighting angles own can be less than 120 degree owing to adopted this light distribution element 50.Preferably, if adopt the bigger led light source of other lighting angles, the led light source that has 140～180 degree lighting angles as employing, and optionally cooperate lampshade 70,70a or 70b, making the back taper sidewall of these lampshades 70,70a or 70b and the angle of this heat transfer substrate is 30～50 degree, can realize that also wide-angle is luminous, make the lighting angle of whole lamp reach 240～270 degree.Thereby save the setting of this light distribution element 50, make that the structure of this LED lamp is more simple.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those skilled in the art are not in breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned exposure is made a little change or is modified to the equivalent embodiment of equal variation.As long as be the content that does not break away from technical solution of the present invention, to any simple modification that above embodiment did, the equal variation and modification, all belong in the scope of technical solution of the present invention according to technical spirit of the present invention.
Claims (11)
1. a wide-angle light distribution LED lamp comprises lampshade, luminescence unit and heat transfer substrate, it is characterized in that:
This luminescence unit is arranged on this heat transfer substrate; This lampshade covers at outside this luminescence unit, and this lampshade has the back taper sidewall, and the bottom of this lampshade is provided with near this heat transfer substrate; This luminescence unit comprises led light source and light distribution element, and this light distribution element is to should the setting of back taper sidewall and be covered with this led light source, and the light that this light distribution element is used for that this led light source is sent is distributed in the back taper sidewall of this lampshade more.
2. wide-angle light distribution LED lamp according to claim 1, it is characterized in that: the led light source of this luminescence unit is fixed on this heat transfer substrate, and this heat transfer substrate is a slab construction.
3. wide-angle light distribution LED lamp according to claim 1, it is characterized in that: this light distribution element is lens, and this light distribution element has ellipsoid shape profile towards the inner surface of this led light source, and the outer surface of this light distribution element has hemispherical profiles.
4. wide-angle light distribution LED lamp according to claim 1, it is characterized in that: also comprise annular reflecting component, this reflecting component is to being arranged between this luminescence unit and this lampshade by luminescence unit, and this reflecting component has the taper anchor ring, and this conical ring face is provided with towards this luminescence unit.
5. wide-angle light distribution LED lamp according to claim 1 is characterized in that: also comprise radiating piece, the top of this radiating piece upwards protrudes out and forms an annular flange, and this heat transfer substrate is contained within this flange, the bottom of this lampshade and this flange thermally coupled.
6. wide-angle light distribution LED lamp according to claim 1, it is characterized in that: this lampshade is provided with scattering material.
7. according to each described wide-angle light distribution LED lamp in the claim 1 to 6, it is characterized in that: the top of this lampshade is arranged with, and makes the be provided with taper seat of this lampshade top towards this luminescence unit.
8. according to each described wide-angle light distribution LED lamp in the claim 1 to 6, it is characterized in that: the top of this lampshade forms ellipsoid away from this luminescence unit protuberance.
9. a wide-angle light distribution LED lamp comprises lampshade, luminescence unit and heat transfer substrate, it is characterized in that:
This luminescence unit is arranged on this heat transfer substrate, and this heat transfer substrate is a slab construction; This lampshade covers at outside this luminescence unit, and has the back taper sidewall, and this lampshade can carry out scattering to light, and the bottom of this lampshade is provided with near this heat transfer substrate, and the back taper sidewall of this lampshade and the angle of this heat transfer substrate are 30～50 degree; This luminescence unit is a led light source, and the lighting angle of this led light source is 140～180 degree.
10. wide-angle light distribution LED lamp according to claim 9, it is characterized in that: the top of this lampshade is arranged with, and makes to have the taper seat of being provided with towards this lampshade top of this luminescence unit.
11. wide-angle light distribution LED lamp according to claim 9, it is characterized in that: also comprise annular reflecting component, this reflecting component has the taper anchor ring, and this reflecting component is to being arranged between this luminescence unit and this lampshade by luminescence unit, and this conical ring face is provided with towards this luminescence unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110167307A CN102261587A (en) | 2011-06-20 | 2011-06-20 | Large-angle light distribution LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110167307A CN102261587A (en) | 2011-06-20 | 2011-06-20 | Large-angle light distribution LED lamp |
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| CN102261587A true CN102261587A (en) | 2011-11-30 |
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| CN201110167307A Pending CN102261587A (en) | 2011-06-20 | 2011-06-20 | Large-angle light distribution LED lamp |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102588780A (en) * | 2012-01-18 | 2012-07-18 | 漳州市立达信绿色照明有限公司 | Large-angle LED lamp |
| CN102628558A (en) * | 2012-04-19 | 2012-08-08 | 东莞市科磊得数码光电科技有限公司 | Light emitting diode (LED) lamp with light softening structure |
| CN103335227A (en) * | 2013-06-18 | 2013-10-02 | 生迪光电科技股份有限公司 | Wide-angle light-emitting diode (LED) lamp |
| CN103470968A (en) * | 2012-06-08 | 2013-12-25 | 李文雄 | Light emitting diode lamp core with large light emitting angle and illumination device with lamp core |
| CN103591484A (en) * | 2012-08-16 | 2014-02-19 | 欧普照明股份有限公司 | LED lamp bulb |
| CN104110588A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| CN105627191A (en) * | 2014-08-22 | 2016-06-01 | 佰鸿工业股份有限公司 | Light emitting module |
| CN108224114A (en) * | 2018-02-07 | 2018-06-29 | 中山宏思德照明有限公司 | A kind of optical assembly structure of LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102588780A (en) * | 2012-01-18 | 2012-07-18 | 漳州市立达信绿色照明有限公司 | Large-angle LED lamp |
| CN102628558A (en) * | 2012-04-19 | 2012-08-08 | 东莞市科磊得数码光电科技有限公司 | Light emitting diode (LED) lamp with light softening structure |
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| CN103591484A (en) * | 2012-08-16 | 2014-02-19 | 欧普照明股份有限公司 | LED lamp bulb |
| CN104110588A (en) * | 2013-04-18 | 2014-10-22 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| CN104110588B (en) * | 2013-04-18 | 2016-12-28 | 展晶科技(深圳)有限公司 | Wide-angle LED bulb |
| CN103335227A (en) * | 2013-06-18 | 2013-10-02 | 生迪光电科技股份有限公司 | Wide-angle light-emitting diode (LED) lamp |
| CN103335227B (en) * | 2013-06-18 | 2015-06-24 | 生迪光电科技股份有限公司 | Wide-angle light-emitting diode (LED) lamp |
| CN105627191A (en) * | 2014-08-22 | 2016-06-01 | 佰鸿工业股份有限公司 | Light emitting module |
| CN108224114A (en) * | 2018-02-07 | 2018-06-29 | 中山宏思德照明有限公司 | A kind of optical assembly structure of LED lamp |
| CN108224114B (en) * | 2018-02-07 | 2023-09-26 | 中山宏思德照明有限公司 | Optical assembly structure of LED lamp |
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Owner name: SICHUAN TOPLUCK LIGHTING CO., LTD. Free format text: FORMER OWNER: XIAMEN LIMING PHOTOELECTRIC CO., LTD. Effective date: 20120424 |
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Effective date of registration: 20120424 Address after: 363999 Development Zone in Suining City, Sichuan province Taijilu Electronic Industrial Zone No. 1 Applicant after: Sichuan Topluck Lighting 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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