CN201973620U - Heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove - Google Patents
Heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove Download PDFInfo
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- CN201973620U CN201973620U CN201020669102XU CN201020669102U CN201973620U CN 201973620 U CN201973620 U CN 201973620U CN 201020669102X U CN201020669102X U CN 201020669102XU CN 201020669102 U CN201020669102 U CN 201020669102U CN 201973620 U CN201973620 U CN 201973620U
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- pendent lamp
- led
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- groove
- heat radiation
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- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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- 238000000926 separation method Methods 0.000 description 2
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- 239000003822 epoxy resin Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
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Abstract
The utility model provides a heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove, which solves the problems of the existing ceiling lamp that: the light in a light spot formed by emergent light is not uniform, the heat radiation performance is poor, the energy source is easily wasted, the heat radiation performance and the weight can not be balanced, a light source and a power supply concretely radiate the heat and the light spot is not adjustable as the ceiling lamp light source and the power supply are arranged on the same position at different sides of a ceiling lamp shell. The heat-radiation uniform-light type photodetachment LED ceiling lamp with the groove comprises a reflective mirror and a reflective cup, wherein two LED light sources are symmetrically arranged at the light source side of the ceiling lamp shell, the heat radiation device is composed of ribs uniformly distributed and composed of a negative temperature heat radiation component and a streamline heat radiation component and the groove is arranged in the middle of the heat radiation device.
Description
Technical field
The present invention relates to the even light type photodetachment LED pendent lamp of a kind of heat radiation, belong to the LED lighting field with groove.
Background technology
The LED illumination promptly is a led lighting, is a kind of semiconductor solid luminescence device.It is to utilize the solid semiconductor chip as luminescent material, by carrier compound energy of emitting surplus takes place and cause photo emissions in semiconductor, directly sends red, yellow, blue, green, blue or green, orange, purple, white light.The LED illuminating product utilizes LED as the produced ligthing paraphernalia of light source exactly.
Pendent lamp generally must be fixed with chain sling, suspension hook hanging, and the upper end is connected with the built-in fitting of building, and pendent lamp light requires can not hinder people's normal line of sight, also can not hinder the sight line that the people hopes mutually, or make us feeling dazzling.It is appropriate that the canopy Material Selection is wanted, and do not adopt and can generation make us uncomfortable dazzle.When the lampshade moulding was complicated, in the environment of moist, many dirt, light fixture got rusty easily, falls lacquer, and lampshade covers dirt light can be day by day dim, did not often maintain, cleaned, and illumination one annual reduces approximately 30 percent according to statistics, does not go out several years, and pendent lamp is with dim nothings brilliance.
Along with the increase of power, the heat dissipation problem of LED seems more and more outstanding, and a large amount of practical applications show that LED can not strengthen the fundamental cause of input power, is because LED can emit a large amount of heat in the course of the work, and the tube core junction temperature is risen rapidly, and it is big that thermal resistance becomes.Input power is high more, and heating effect is big more.The rising of temperature will cause device performance to change and decay, non-radiative compound increase, and the leakage current of device increases, and defects from semiconductor materials increases, the metal electrode electromigration, encapsulating epoxy resin yellow or the like has a strong impact on the photoelectric parameter of LED.Even power LED was lost efficacy.Therefore, for the LED device, reduce thermal resistance and junction temperature, thermal characteristics research of light emitting diode is seemed increasingly important.And the heat abstractor of existing pendent lamp generally can only dispel the heat by the wind of one or two direction, radiating efficiency is low, long-time use may cause light source or power supply to damage, in order highland as far as possible to improve heat-sinking capability, the vent rib of existing heat abstractor is all higher, caused increasing considerably of pendent lamp weight like this, long-term use may produce potential safety hazard, even causes the generation of accident.
Its emergent light intensity skewness of existing pendent lamp, too bright near the place of light source, too dark away from the place of light source, need a plurality of pendent lamps when throwing light on, and the distance between each pendent lamp can not be far away excessively, caused the waste of the energy on a large scale; Existing pendent lamp light source generally all is arranged on the pendent lamp housing with power supply and does not exist together mutually the position of homonymy, has caused the concentrated heating of light source and power supply like this, is unfavorable for heat radiation, and long-term use may cause the damage of burning of power supply or light source; Simultaneously, single light source be arranged so that hot spot is non-adjustable, it is very complicated perhaps to regulate hot spot.
Summary of the invention
The invention provides the even light type photodetachment LED pendent lamp of a kind of heat radiation with groove, solved mainly that light distribution is inhomogeneous in the hot spot that existing pendent lamp emergent light forms, heat dispersion is poor, easily cause energy waste, heat dispersion and weight can't balance, the pendent lamp light source is arranged on the pendent lamp housing with power supply and do not exist together mutually the position of homonymy, the concentrated heating of light source and power supply and the nonadjustable problem of hot spot.
Technical solution of the present invention is as follows:
The even light type photodetachment LED pendent lamp of the heat radiation of this band groove, comprise led light source, LED power supply, pendent lamp housing and canopy, described canopy is arranged at the led light source outside and is connected with pendent lamp housing light source side, the even light type photodetachment LED pendent lamp of the heat radiation of described band groove also comprises speculum and reflector, speculum and reflector are located in the canopy, fixedly connected with the light source side of pendent lamp housing; Reflector is arranged at reflecting surface one side of speculum and overlaps with the reflector central point, and led light source is arranged on the central point of reflecting surface and reflector, and described pendent lamp housing dorsal part is provided with heat abstractor; Described led light source is two, and two led light sources are symmetricly set in pendent lamp housing light source side; Described LED power supply is arranged in the heat abstractor of pendent lamp housing dorsal part, in the centre at the back side, position, two led light source positions and do not overlap with led light source, described heat abstractor is made up of equally distributed fin, comprise subzero temperature radiating part and streamline radiating part, described subzero temperature radiating part is arranged on the subzero temperature radiated rib group on the pendent lamp housing short transverse, the streamline radiating part is arranged on the streamline radiated rib group on the pendent lamp housing width, the centre of heat abstractor is provided with groove, the width of groove is 1/3～1/4 of a fin width, and the degree of depth of groove is 1/2～9/10 of a fin maximum height.
The cross section of above-mentioned groove is rectangle, arch or ellipse.
Be provided with the frock hole in the above-mentioned groove, the height in frock hole is less than groove height.
Above-mentioned subzero temperature groups of fins and streamline radiated rib group are integral piece.
Distance between above-mentioned each fin is 5cm-10cm.
Above-mentioned canopy is sphere, hemispherical, oblateness, discoid, square, rectangle, rhombus, triangle, taper, olive shape or tassel shape etc.
The invention has the advantages that:
Light type photodetachment LED pendent lamp is spared in the heat radiation of band groove provided by the invention, the emergent light of its led light source is through behind the once even light of reflector, the part emergent light is through the canopy outgoing, also has the part emergent light by canopy once more in the reflected back lamp body, at this moment reflect at the speculum that is different from reflector through radian, emergent light is more even, and it has effectively utilized light source;
Because led light source is divided into two, emergent light distributes more even, can also utilize difform canopy to adjust the light spot shape of emergent light, makes hot spot adjustable; Simultaneously, light source and power supply have carried out physical separation, are beneficial to heat radiation more, have increased the service life of light fixture.
Owing to adopted the mode of subzero temperature radiated rib and the combination of streamline radiated rib, improved the heat-sinking capability of light fixture, its wind that can effectively utilize a plurality of different directions dispels the heat to lamp body.
Owing to adopted groove structure, balance the heat dispersion of pendent lamp and the contradiction between the weight, simultaneously, do not weaken heat sinking function yet, also improved the reliability that light fixture uses; The frock hole is arranged in the groove, also can not produce any influence to the installation and the maintenance of light fixture.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail:
The even light type photodetachment LED pendent lamp of the heat radiation of this band groove, comprise led light source 10, LED power supply 7, pendent lamp housing 1 and canopy 2, canopy 2 is arranged at led light source 10 outsides and is connected with pendent lamp housing 1 light source side, and canopy 2 can be selected sphere, hemispherical, oblateness, discoid, square, rectangle, rhombus, triangle, taper, olive shape or tassel shape etc. according to different demands.
The even light type photodetachment LED pendent lamp of the heat radiation of band groove 4 also comprises speculum 8 and reflector 9, and speculum 8 and reflector 9 are located in the canopy 2, fixedly connected with the light source side of pendent lamp housing 1; Reflector 9 is arranged at reflecting surface one side of speculum 8 and overlaps with reflector 9 central points, and led light source 10 is arranged on the central point of reflecting surface and reflector 9.The emergent light of led light source 7 is through behind the once even light of reflector 9, the part emergent light is through canopy 2 outgoing, also has the part emergent light by canopy 2 once more in the reflected back lamp body, at this moment reflect at the speculum 8 that is different from reflector 9 through radian, emergent light is more even, and it has effectively utilized light source.
Pendent lamp housing dorsal part is provided with heat abstractor; Described led light source 10 is two, and two led light sources 10 are symmetricly set in pendent lamp housing light source side; Described LED power supply 7 is arranged in the heat abstractor of pendent lamp housing 1 dorsal part, in the centre at the back side, position, two led light source 10 positions and do not overlap with led light source 10.Because led light source 10 is divided into two, emergent light distributes more even, can also utilize difform canopy 2 to adjust the light spot shape of emergent light, makes hot spot adjustable; Simultaneously, light source and power supply have carried out physical separation, are beneficial to heat radiation more, have increased the service life of light fixture.
Heat abstractor is made up of equally distributed fin, comprise subzero temperature radiating part 3 and streamline radiating part 6, described subzero temperature radiating part 3 is arranged on the subzero temperature radiated rib group on pendent lamp housing 1 short transverse, streamline radiating part 6 is arranged on the streamline radiated rib group on pendent lamp housing 1 width, subzero temperature groups of fins and streamline radiated rib group are integral piece, and the distance between each fin is generally 5cm-10cm.Owing to adopted the mode of subzero temperature radiated rib and the combination of streamline radiated rib, improved the heat-sinking capability of light fixture, its wind that can effectively utilize a plurality of different directions dispels the heat to lamp body.
The centre of heat abstractor is provided with groove 4, the width of groove 4 is 1/3～1/4 of a fin width, and the degree of depth of groove 4 is 1/2～9/10 of a fin maximum height, and the cross section of groove 4 is rectangle, arch or ellipse, be provided with the frock hole in the groove 4, the height in frock hole is less than groove height.Owing to adopted groove structure, balance the heat dispersion of pendent lamp and the contradiction between the weight, simultaneously, do not weaken heat sinking function yet, also improved the reliability that light fixture uses; The frock hole is arranged in the groove 4, also can not produce any influence to the installation and the maintenance of light fixture.
Claims (6)
1. light type photodetachment LED pendent lamp is spared in the heat radiation with groove, comprise led light source, LED power supply, pendent lamp housing and canopy, described canopy is arranged at the led light source outside and is connected with pendent lamp housing light source side, the even light type photodetachment LED pendent lamp of the heat radiation of described band groove also comprises speculum and reflector, speculum and reflector are located in the canopy, fixedly connected with the light source side of pendent lamp housing; Reflector is arranged at reflecting surface one side of speculum and overlaps with the reflector central point, and led light source is arranged on the central point of reflecting surface and reflector, and described pendent lamp housing dorsal part is provided with heat abstractor; Described led light source is two, and two led light sources are symmetricly set in pendent lamp housing light source side; Described LED power supply is arranged in the heat abstractor of pendent lamp housing dorsal part, in the centre at the back side, position, two led light source positions and do not overlap with led light source, described heat abstractor is made up of equally distributed fin, comprise subzero temperature radiating part and streamline radiating part, described subzero temperature radiating part is arranged on the subzero temperature radiated rib group on the pendent lamp housing short transverse, the streamline radiating part is arranged on the streamline radiated rib group on the pendent lamp housing width, it is characterized in that: the centre of described heat abstractor is provided with groove, the width of groove is 1/3～1/4 of a fin width, and the degree of depth of groove is 1/2～9/10 of a fin maximum height.
2. light type photodetachment LED pendent lamp is spared in the heat radiation of band groove according to claim 1, and it is characterized in that: the cross section of described groove is rectangle, arch or ellipse.
3. light type photodetachment LED pendent lamp is spared in the heat radiation of band groove according to claim 1 and 2, and it is characterized in that: be provided with the frock hole in the described groove, the height in frock hole is less than groove height.
4. light type photodetachment LED pendent lamp is spared in the heat radiation of band groove according to claim 3, and it is characterized in that: described subzero temperature radiated rib group and streamline radiated rib group are integral piece.
5. light type photodetachment LED pendent lamp is spared in the heat radiation of band groove according to claim 4, and it is characterized in that: the distance between described each fin is 5cm-10cm.
6. light type photodetachment LED pendent lamp is spared in the heat radiation of band groove according to claim 5, it is characterized in that: described canopy is sphere, hemispherical, oblateness, discoid, square, rectangle, rhombus, triangle, taper, olive shape or tassel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020669102XU CN201973620U (en) | 2010-12-19 | 2010-12-19 | Heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020669102XU CN201973620U (en) | 2010-12-19 | 2010-12-19 | Heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973620U true CN201973620U (en) | 2011-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020669102XU Expired - Fee Related CN201973620U (en) | 2010-12-19 | 2010-12-19 | Heat-radiation uniform-light type photodetachment LED ceiling lamp with a groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973620U (en) |
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2010
- 2010-12-19 CN CN201020669102XU patent/CN201973620U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Jiapei Inventor after: Hu Minhai Inventor before: Hu Jiapei Inventor before: Hu Minhai |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20161219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |