CN202266847U

CN202266847U - Light-emitting diode (LED) lamp with rotary light sources

Info

Publication number: CN202266847U
Application number: CN2011202839268U
Authority: CN
Inventors: 陈刚
Original assignee: DUJIANGYAN HUAGANG ELECTRONIC TECHNOLOGY CO LTD
Current assignee: DUJIANGYAN HUAGANG ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2011-08-06
Filing date: 2011-08-06
Publication date: 2012-06-06
Anticipated expiration: 2021-08-06

Abstract

The utility model discloses a light-emitting diode (LED) lamp with rotary light sources, which comprises a lamp body (4), LED lamp beads (3) and an alternating current driving power source. The LED lamp beads (3) are divided into groups and connected with the alternating current driving power source through circuits, and groups of the LED lamp beads (3) are turned on and turned off in timing sequence in groups by aid of the driving of the alternating current driving power source. The LED lamp with the rotary light source is characterized by further comprising a driving system and luminous parts (2). The LED lamp beads (3) are driven by the driving system to rotate around an axis. The grouping distribution structure of the LED lamp beads (3) is matched with the structure of the luminous parts (2) which are located at the front end of the LED lamp beads (3) and cover parts of the LED lamp beads (3). The rotary motion timing sequence of the LED lamp beads (3) is matched with the turning-on and turning-off of each group of the LED lamp beads (3). The LED lamp has good radiating performance, can maintain approximate constant light-emitting quantity, and has low scintillation effects.

Description

A kind of LED lamp that rotates light source

Technical field

The utility model relates to field of illuminating device, and relating in particular to a kind of is the illuminating lamp of the adapted to AC driving work of main light source with LED.

Background technology

LED (light emitting diode) compares than incandescent lamp, electricity-saving lamp, has advantages such as energy-conservation, durable, pollution-free, is regarded as lighting system of future generation the most likely, has caused widely to pay 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, and versicolor light waves such as outgoing is red, indigo plant belong to the cold light source that electric energy directly arrives luminous energy; On principle of luminosity, has outstanding advance; LED these exclusive principle and characteristics, the superiority of not only having brought LED to use as light source has proposed a series of brand-new requirements also for simultaneously the LED illumination application; Such as LED photochromic single, rising angle is little, caloric value is big, unidirectional conducting or the like, all need in concrete illumination scheme, adapt to.Because light emitting diode has unidirectional conduction, 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, industry and commerce or public electricity-using at present, the mode with alternating current provides mostly, 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 document CN101208813B discloses a kind of " light-emitting device that is used for AC power operation ", and this device comprises LED wafer, and 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 and close these luminescence units successively 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 scintillation effect can be lowered, and fluorescent lifetime can be increased; But this scenario-frame is complicated, high to the requirement of manufacturing process.

The utility model content

The purpose of the utility model is to overcome the deficiency of prior art, and a kind of LED lamp that rotates light source is provided, under the driving of ac voltage power supply, and the amount of light approximately constant of this illuminating lamp, scintillation effect is low, and has the advantage of perfect heat-dissipating.

The following technical scheme that adopts the utility model realizes a kind of LED lamp that rotates light source; Include lamp body, LED lamp pearl, AC driven power; LED lamp pearl divides into groups and is connected with AC driven power through circuit; Each is organized LED lamp pearl and under the driving of AC driven power, divides into groups chronologically to open and close; This LED illuminating lamp also includes drive system and illuminating part, and LED lamp pearl can be cooked the motion of pivoting under the support of drive system, and the grouping distributed architecture of LED lamp pearl and the structure of illuminating part adapt; Illuminating part be positioned at LED lamp pearl front end, cover partial L ED lamp pearl, unlatching and the closing timing of sequential and each group LED lamp pearl that rotatablely moves of LED lamp pearl adapt.

The further technical scheme of the utility model is: said illuminating part adopts the capping form, evenly is intervally distributed with illuminating part and penetrating portion around middle shaft position, and illuminating part is fixed.

The further technical scheme of the utility model is: said illuminating part adopts layer structure; On substrate, be formed with the long after glow luminous material layer; Evenly offer the logical hole of some blade shapes around middle shaft position; Said logical hole promptly constitutes the penetrating portion of illuminating part, and the position that is formed with the long after glow luminous material layer on the substrate promptly constitutes the illuminating part of illuminating part.

The further technical scheme of the utility model is: said lamp body is provided with circuit; The bead weld of LED lamp is connected on the lamp body; And connecting grouping through circuit and be connected with AC driven power, said lamp body is a rotational symmetric structural member, its shaft core position is provided with driving shaft; And be connected with drive system through driving shaft, lamp body can rotate around the axle center under the effect of drive system.

The further technical scheme of the utility model is: the said lamp body back side is formed with radiator structure, and some heat emission fan sheets are fixed on the lamp body.

The further technical scheme of the utility model is: said lamp body front end face caves inward, and LED lamp pearl is fixed on the lamp body front end face and is electrically connected and divides into groups.

The further technical scheme of the utility model is: LED lamp pearl is according to distributing with the coaxial disc type of illuminating part; And it is evenly spaced by the sector grouping; Sector in the middle of every group is opened simultaneously or is closed, and the envelope shape of arbitrary group of LED lamp pearl is identical with one penetrating shape of illuminating part.

The further technical scheme of the utility model is: during illuminating lamp work, the LED lamp pearl group of closing is covered by the illuminating part of illuminating part all the time.

Adopt the LED lamp of the rotation light source of this structure, the rotation through LED lamp pearl between main light source LED lamp pearl and secondary light source illuminating part forms the relative motion structure, under the driving of ac voltage power supply; Adopt the LED lamp pearl opening and closing repeatedly of common unidirectional conducting; Can reduce the generation and the alluvial of caloric value, and the mode through rotatablely moving not only can be provided with radiator structure on lamp body; Improve the radiating efficiency of light fixture; And can cover the LED lamp pearl of closing through illuminating part, and can keep the amount of light approximately constant, scintillation effect is low.

Below in conjunction with accompanying drawing and embodiment the utility model is further set forth, the protection domain of the utility model includes but are not limited to accompanying drawing and the disclosed content of embodiment.

Description of drawings

Fig. 1 is the blast structural representation of a specific embodiment of the utility model;

Fig. 2 is the view at another visual angle of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done further to set forth.

As depicted in figs. 1 and 2, the LED lamp of this rotation light source includes: the illuminating part 2 of lamp body 4, LED lamp pearl 3, capping form and include AC driven power and the driver of lamp body drive system 7, illuminating part 2 are circular; Form through on substrate, applying the long after glow luminous material layer, used long-afterglow material and selecting for use of LED lamp pearl adapt, and can receiving at least, the bright dipping of partial L ED lamp pearl excites; Illuminating part 2 evenly offers the logical hole 1 of eight blade shapes around middle shaft position, has fixed leg 8 to be connected the center of illuminating part 2, and illuminating part promptly is connected with driver 1 through this fixed leg 8; And each parts of light fixture are placed be integral, said logical hole 1 promptly constitutes the penetrating portion of illuminating part 2, and the position that is formed with the long after glow luminous material layer on the substrate promptly constitutes the illuminating part of illuminating part 2; Lamp body 4 is the structural member of a metal material, becomes rotational symmetric structure, and its shaft core position is provided with tubular driving shaft 6; Lamp body 4 is connected with driver 1 through driving shaft 6, and lamp body 4 can rotate around the axle center under the effect of drive system, and the back side of lamp body 4 evenly is provided with the heat emission fan sheet 5 of pneumatic structure; Not only radiation-curable heat radiation; And in lamp body 4 rotations, have air-cooled effect, and lamp body 4 is provided with circuit, and the LED lamp pearl 3 that distributes with illuminating part 2 coaxial disc types is welded on lamp body 4 front end faces; Be connected with driver 1 and be divided into 16 sectors through circuit; The lamp pearl of same sector in the same way the Electricity Federation together, and incorgruous between adjacent sectors, form two groups of evenly spaced, alternation thus; The envelope shape of the LED lamp pearl of each sector and the shape in single logical hole 1 are consistent; Can be exposed fully or covered fully by illuminating part by penetrating, during illuminating lamp work, two LED lamp groups are alternately luminous under the excitation of driver 1; The long after glow luminous material layer of illuminating part 2 can receive LED lamp pearl to excite, reach rapidly stable bright dipping; LED lamp pearl 3 rotatablely moves under the drive of driver 1 through lamp body, and the opening and closing sequential of rotary speed of LED lamp pearl 3 and LED lamp group adapts, and the LED lamp pearl group of closing is fully covered by illuminating part all the time.Through adopting other group technology in the known technology; Like the disclosed group protocol of Chinese patent document CN101208813B; LED is divided into more block form; Only need shape and sequential relationship between adaptive adjustment lamp pearl group and the illuminating part, can realize the goal of the invention of this programme.

Claims

1. LED lamp that rotates light source; Include lamp body (4), LED lamp pearl (3), AC driven power; LED lamp pearl (3) divides into groups and is connected with AC driven power through circuit; Each is organized LED lamp pearl (3) and under the driving of AC driven power, divides into groups chronologically to open and close; It is characterized in that: this LED illuminating lamp also includes drive system and illuminating part (2), and LED lamp pearl (3) can be cooked the motion of pivoting under the support of drive system, and the structure of grouping distributed architecture of LED lamp pearl (3) and illuminating part (2) adapts; Illuminating part (2) be positioned at LED lamp pearl (3) front end, cover partial L ED lamp pearl (3), unlatching and the closing timing of sequential and each the group LED lamp pearl (3) that rotatablely moves of LED lamp pearl (3) adapt.

2. according to the said a kind of LED lamp that rotates light source of claim 1, it is characterized in that: said illuminating part (2) adopts the capping form, evenly is intervally distributed with illuminating part and penetrating portion around middle shaft position, and illuminating part (2) is fixed.

3. according to the said a kind of LED lamp that rotates light source of claim 2; It is characterized in that: said illuminating part (2) adopts layer structure; On substrate, be formed with the long after glow luminous material layer; Evenly offer the logical hole (1) of some blade shapes around middle shaft position, said logical hole (1) promptly constitutes the penetrating portion of illuminating part, and the position that is formed with the long after glow luminous material layer on the substrate promptly constitutes the illuminating part of illuminating part.

4. according to the said a kind of LED lamp that rotates light source of claim 3; It is characterized in that: said lamp body (4) is provided with circuit, and LED lamp pearl (3) is welded on the lamp body (4), and is connected through circuit connection grouping and with AC driven power; Said lamp body (4) is a rotational symmetric structural member; Its shaft core position is provided with driving shaft (6), and is connected with drive system through driving shaft (6), and lamp body under the effect of drive system (4) can rotate around the axle center.

5. according to the said a kind of LED lamp that rotates light source of claim 4, it is characterized in that: said lamp body (4) back side is formed with radiator structure, and some heat emission fan sheets (5) are fixed on the lamp body (4).

6. according to the said a kind of LED lamp that rotates light source of claim 5; It is characterized in that: LED lamp pearl (3) is according to distributing with the coaxial disc type of illuminating part (2); And it is evenly spaced by the sector grouping; Sector in the middle of every group is opened simultaneously or is closed, and the envelope shape of arbitrary group of LED lamp pearl is identical with penetrating shape of illuminating part (2).

7. according to the said a kind of LED lamp that rotates light source of claim 6, it is characterized in that: during illuminating lamp work, the LED lamp pearl group of closing is covered by the illuminating part of illuminating part (2) all the time.