CN102913775A - Disc type light emitting diode (LED) lighting device with high heat dissipating performance - Google Patents
Disc type light emitting diode (LED) lighting device with high heat dissipating performance Download PDFInfo
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- CN102913775A CN102913775A CN2011102240896A CN201110224089A CN102913775A CN 102913775 A CN102913775 A CN 102913775A CN 2011102240896 A CN2011102240896 A CN 2011102240896A CN 201110224089 A CN201110224089 A CN 201110224089A CN 102913775 A CN102913775 A CN 102913775A
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- led lamp
- lighting device
- illuminating part
- lamp pearl
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Abstract
The invention discloses a disc type light emitting diode (LED) lighting device with high heat dissipating performance. The disc type LED lighting device comprises a lamp body (2), LED lamp beads (4) and an alternating current (AC) driving power source, wherein the LED lamp beads (4) are grouped and connected with the AC driving power source through a circuit; and each group of LED lamp beads (4) is turned on/off in time sequence in a grouped manner under the drive of the AC driving power source. The disc type LED lighting device is characterized in that the LED lighting device further comprises a driving system and a light emitting piece (5), wherein the light emitting piece (5) can rotate round a shaft under the support of the driving system; the grouped distributing structure of the LED lamp beads (4) is matched with the structure of the light emitting piece (5); the light emitting piece (5) is positioned at the front ends of the LED lamp beads (4) to shield part of the LED lamp beads (4); and the time sequence of rotating motion of the light emitting piece (5) is matched with the on-off time sequence of each group of LED lamp beads (4). The lighting device has the advantages of approximately constant light output quantity, low flicker effect, high light output evenness degree, good heat dissipating performance and simple structure.
Description
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Technical field
The present invention relates to field of illuminating device, relate in particular to a kind of lighting device of the adapted to interchange driving work take LED as main light source.
Background technology
The LED(light emitting diode) compares than incandescent lamp, electricity-saving lamp, have the advantages such as energy-conservation, durable, pollution-free, be regarded as most promising lighting system of future generation, caused widely and paid attention to.The basic principle of luminosity of light emitting diode is: in the semiconductor in the carrier recombination process, the excess energy of emitting causes photo emissions, outgoing is red, the versicolor light waves such as indigo plant, belong to the cold light source that electric energy directly arrives luminous energy, has outstanding advance at principle of luminosity, these exclusive principle and characters of LED, the superiority of not only having brought LED to use as light source, also to LED illumination application a series of brand-new requirements have been proposed simultaneously, photochromic single such as LED, rising angle is little, caloric value is large, one-way conduction etc. all need to be adapted in concrete illumination scheme.Because light emitting diode has the unidirectional general character, in order to remain on the stabilized illumination in the illumination application, present way is to adopt direct current to drive, no matter yet be family at present, industry and commerce or public electricity-using, mode mainly with alternating current provides greatly, must in light fixture, attach rectifier transformer for this reason and carry out the ac/dc conversion, this mode can be brought extra power consumption, and can reduce the product bulk life time, answer this, Chinese patent literature CN101208813B discloses a kind of " light-emitting device that is used for AC power operation ", this device comprises LED wafer, this LED wafer has the luminescence unit that is connected in series of array, and the switching blocks that is connected respectively to the node between these luminescence units, wherein when this array is connected to ac voltage power supply and is driven by this ac voltage power supply, open successively and close these luminescence units by these switching blocks, this light-emitting device can in turn be opened these arrays under AC power, then according to these arrays of opposite orderly close-down, thereby can lower scintillation effect, and can increase fluorescent lifetime, but this scenario-frame is complicated, requirement to manufacturing process is high.Simultaneously, LED lamp heat generation in the course of the work still can't be avoided, and especially for high-power, highdensity application, these heats can badly influence life-span and the performance of product.
Summary of the invention
The object of the present invention is to provide a kind of lighting device of the adapted to interchange driving work take LED as main light source, the employed LED lamp pearl ordinary lamps pearl that is one-way conduction wherein, under the driving of ac voltage power supply, the amount of light approximately constant of this lighting device, scintillation effect is low, but also has better outgoing light homogeneity and thermal diffusivity.
The present invention is realized by the following technical solutions: high-cooling property disc type LED lighting device, include lamp body, LED lamp pearl, AC driven power, LED lamp pearl divides into groups and is connected with AC driven power by circuit, each is organized the chronologically grouping under the driving of AC driven power of LED lamp pearl and opens and close, this LED lighting device also includes drive system and illuminating part, illuminating part can be done the motion that pivots under the support of drive system, the grouping distributed architecture of LED lamp pearl and the structure of illuminating part adapt, illuminating part is positioned at the front end of LED lamp pearl, cover part LED lamp pearl, unlatching and the closing timing of rotatablely move sequential and each group LED lamp pearl of illuminating part adapt.
The further technical scheme of the present invention is: described illuminating part adopts the plectane form, is provided with illuminating part and penetrating section on the circular substrate, and circular substrate and center and rotating shaft link into an integrated entity, and under the drive of drive system, illuminating part rotates around the shaft.
The further technical scheme of the present invention is: the illuminating part of described illuminating part forms by applying the long-afterglow material layer on the substrate, and penetrating of illuminating part is the through hole on the substrate.
The further technical scheme of the present invention is: the through hole on the described illuminating part is pressed ring-band shape and is arranged, and the through hole on the endless belt of variant radius evenly is intervally arranged, and therefrom mind-set is peripheral, and the width of the through hole in each endless belt increases step by step.
The further technical scheme of the present invention is: LED lamp pearl is according to the disc type distribution coaxial with illuminating part, and the evenly spaced segmentation of LED lamp pearl ring with Radius, take section as the unit to the evenly spaced grouping of LED lamp pearl, LED lamp pearl in the middle of every group is opened simultaneously or closes, and the LED lamp pearl one of the penetrating section of corresponding illuminating part is decided to be same group simultaneously.
The further technical scheme of the present invention is: the illuminating part of illuminating part covers the LED lamp pearl group of firmly closing all the time during lighting device work.
The further technical scheme of the present invention is: described high-cooling property disc type LED lighting device also includes even light modulation cover, and even light modulation cover is positioned at lamp body foremost.
The further technical scheme of the present invention is: offer passage on the described even light modulation cover.
Adopt the high-cooling property disc type LED lighting device of this structure, with illuminating part as secondary light source, lengthen on the main light source open-interval basis by modes such as groupings on main light source LED lamp pearl, by the mode that rotatablely moves, the LED lamp pearl that cover is closed, under the driving of ac voltage power supply, the amount of light approximately constant of this lighting device, scintillation effect is low, and adopts the illuminating part form of plectane form, can make things convenient for adaptation and the grouping of LED lamp pearl, lamp pearl section in the LED lamp pearl ring of different radii can misplace and arrange, the uniformity of energy Effective Raise bright dipping, evenly the dissipation of heat of LED also has advantage simple in structure.
Below in conjunction with drawings and Examples the present invention is further set forth, protection scope of the present invention includes but are not limited to accompanying drawing and the disclosed content of embodiment.
Description of drawings
Fig. 1 is blast structural representation of the present invention;
Fig. 2 is the view at another visual angle of Fig. 1.
The specific embodiment
The present invention is further elaborated below in conjunction with accompanying drawing.
Such as Fig. 1, shown in Figure 2, this high-cooling property disc type LED lighting device includes: by the lamp body 2 of hardware realization, be welded on the LED lamp pearl 4 on the aluminium base 3, the illuminating part 5 of plectane form, lampshade 7, and the driver 1 that includes AC driven power and illuminating part drive system, illuminating part 5 includes a circular substrate, be coated with the long-afterglow material layer on it, the same core of 6 one-tenth ring-band shapes of some through holes is arranged on the circular substrate, and therefrom mind-set is peripheral, the width of the through hole 6 in each endless belt increases step by step, through hole 6 namely consists of the penetrating section of illuminating part 5, the position that is coated with the long-afterglow material layer on the substrate namely consists of the illuminating part of illuminating part 5, be connected with rotating shaft 8 in the center of circular substrate, and penetrate lamp body 2 by rotating shaft 8 and be connected with driver 1, under the drive of drive system, around the shaft 8 rotations of illuminating part 5, LED lamp pearl 4 is welded on the aluminium base 3, adapt with the structure of illuminating part 5, LED lamp pearl 4 also becomes the same core of ring-band shape to arrange, the adjacent two sections reverse parallel connections of each LED lamp pearl endless belt, alternation, the LED lamp pearl of the penetrating section of corresponding illuminating part is same group simultaneously, even light modulation cover 7 with passage 9 is positioned at lamp body 2 foremost, cover aluminium base 3 and illuminating part 5, during lighting device work, LED lamp pearl group is alternately luminous under the excitation of driver 1, the long after glow luminous material layer of illuminating part 5 can be excited by LED lamp pearl, reach rapidly stable bright dipping, illuminating part 54 rotates under the drive of driver 1 around the shaft, and the opening and closing sequential of the rotary speed of illuminating part 5 and LED lamp group adapts, and illuminating part 5 covers the LED lamp pearl of firmly closing all the time.By adopting other group technology in the known technology, such as the disclosed grouping scheme of Chinese patent literature CN101208813B, LED is divided into more block form, only need shape and sequential relationship between adaptive adjustment illuminating part and the lamp pearl group, can realize the goal of the invention of this programme.
Embodiments of the present invention are not limited to above-described embodiment, all should belong within protection scope of the present invention not breaking away from the various variations that the present invention conceives under the prerequisite.
Claims (8)
1. high-cooling property disc type LED lighting device, include lamp body (2), LED lamp pearl (4), AC driven power, LED lamp pearl (4) divides into groups and is connected with AC driven power by circuit, each is organized LED lamp pearl (4) chronologically grouping under the driving of AC driven power and opens and close, it is characterized in that: this LED lighting device also includes drive system and illuminating part (5), illuminating part under the support of drive system (5) can be done the motion that pivots, the structure of the grouping distributed architecture of LED lamp pearl (4) and illuminating part (5) adapts, illuminating part (5) is positioned at the front end of LED lamp pearl (4), cover part LED lamp pearl (4), unlatching and the closing timing of rotatablely move sequential and each group LED lamp pearl (4) of illuminating part (5) adapt.
2. high-cooling property disc type LED lighting device according to claim 1, it is characterized in that: described illuminating part (5) adopts the plectane form, be provided with illuminating part and penetrating section on the circular substrate, circular substrate and center and rotating shaft (8) link into an integrated entity, under the drive of drive system, illuminating part (5) is (8) rotation around the shaft.
3. high-cooling property disc type LED lighting device according to claim 2 is characterized in that: the illuminating part of described illuminating part (5) forms by applying the long-afterglow material layer on the substrate, and penetrating of illuminating part (5) is the through hole (6) on the substrate.
4. high-cooling property disc type LED lighting device according to claim 3, it is characterized in that: through hole (6) ring-band shape on the described illuminating part (5) is arranged, through hole on the endless belt of variant radius (6) evenly is intervally arranged, therefrom mind-set is peripheral, and the width of the through hole in each endless belt increases step by step.
5. high-cooling property disc type LED lighting device according to claim 4, it is characterized in that: LED lamp pearl (4) is according to the disc type distribution coaxial with illuminating part (5), and the evenly spaced segmentation of LED lamp pearl ring (4) with Radius, take section as the unit to the evenly spaced grouping of LED lamp pearl, LED lamp pearl (4) in the middle of every group is opened simultaneously or closes, and the LED lamp pearl one of the penetrating section of corresponding illuminating part (5) is decided to be same group simultaneously.
6. high-cooling property disc type LED lighting device according to claim 5 is characterized in that: the illuminating part of illuminating part (5) covers the LED lamp pearl group of firmly closing all the time during this lighting device work.
7. high-cooling property disc type LED lighting device according to claim 6 is characterized in that: described high-cooling property disc type LED lighting device also includes even light modulation cover (7), and even light modulation cover (7) is positioned at lamp body (2) foremost.
8. high-cooling property disc type LED lighting device according to claim 7 is characterized in that: offer passage (9) on the described even light modulation cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102240896A CN102913775A (en) | 2011-08-06 | 2011-08-06 | Disc type light emitting diode (LED) lighting device with high heat dissipating performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102240896A CN102913775A (en) | 2011-08-06 | 2011-08-06 | Disc type light emitting diode (LED) lighting device with high heat dissipating performance |
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| Publication Number | Publication Date |
|---|---|
| CN102913775A true CN102913775A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102240896A Pending CN102913775A (en) | 2011-08-06 | 2011-08-06 | Disc type light emitting diode (LED) lighting device with high heat dissipating performance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258071A (en) * | 2015-09-28 | 2016-01-20 | 苏州市大力电器有限公司 | Novel spotlight |
| CN107023759A (en) * | 2017-02-24 | 2017-08-08 | 宁波凯耀电器制造有限公司 | Plate-like LED/light source |
-
2011
- 2011-08-06 CN CN2011102240896A patent/CN102913775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258071A (en) * | 2015-09-28 | 2016-01-20 | 苏州市大力电器有限公司 | Novel spotlight |
| CN107023759A (en) * | 2017-02-24 | 2017-08-08 | 宁波凯耀电器制造有限公司 | Plate-like LED/light source |
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Application publication date: 20130206 |