A kind of dynamic white light LED shot-light
Technical field
The utility model relates to the LED lighting field, especially a kind of white light LEDs shot-light.
Background technology
The domestic in recent years housing condition of market scale and fashion trend is constantly improved, and most of moderately well-off home dwelling design all has parlor, dining room, bedroom, kitchen, bathroom etc.Simultaneously, in house fitting according to the different purposes in each room, the different types of pendent lamp of corresponding installation, wall lamp, Ceiling light, floor lamp and desk lamp.People require light fixture can meet different occasions, different scenes, and the demand day of different illumination functions is high, and the light fixture that therefore is applicable to various instructions for uses makes intensity adjustable third generation irradiation light fixture more and more by arising at the historic moment.
The shot-light of decoration in the market has the luminous power height, caloric value is little; The at present red, green, blue of existing high brightness, white, Huang etc.Advantages such as power consumption is little, and the life-span is long, and colour rendering is good.The allotment of shelter and surrounding environment dominant hue is worthy of careful study very much, and the white light of different-colour has bigger influence to human physiological functions, people's mood, also can influence people's work efficient simultaneously.Require lamp that corresponding different colour temperatures is arranged in different scenes, it can become along with we people's mood, and existing white light shot-light all has only a kind of fixing color temperature value, does not have the washability of colour temperature, and this is a big shortcoming of shot-light; Being that CN 201053608Y is described as the Chinese patent notification number has a kind of great power LED shot-light, comprise lamp adapter assembly, be positioned at the prefocus cup of lamp adapter assembly, and be installed in LED lamp in the prefocus cup, the main insulation shell of wherein said lamp adapter assembly, metal top cover and metal lower cover constitute, and described metal top cover is installed between plastic cement shell and the metal lower cover; Though this kind LED shot-light is simple in structure, and is easy for installation, the colour temperature of the light that can't send shot-light is adjusted, to the applicability of environment a little less than.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of dynamic white light LED shot-light, and the colour temperature that can change the white light that shot-light sends is easily catered to different environment and different personal likes.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of dynamic white light LED shot-light, it comprises shot-light lamp housing, LED lamp, LED lamp socket, shot-light lamp holder, and described LED lamp is located on the described LED lamp socket, and described LED lamp, LED lamp socket are located in the shot-light lamp housing; Described LED lamp comprises led chip and support, and described support is provided with three or above blue led chip, and described blue led chip is provided with the fluorescent material glue-line, is provided with separation layer between the blue led chip.In same LED lamp, be provided with a plurality of blue led chips, all be equipped with the fluorescent material glue-line on a plurality of chips, described fluorescent material glue-line is by glue and fluorescent material be combined into, as required the fluorescent material glue-line on a plurality of chips made the glue with different proportion and the combination of fluorescent material; Fluorescent material on blue led chip light emitting and the excitated fluorescent powder glue-line, thus white light sent, and the fluorescent material glue-line of different proportionings makes the colour temperature difference of the white light that each blue led chip sends; Separation layer separates each blue led chip, make each blue led chip become independently white light source, white light source with different-colour mixes in the LED lamp, the white light of multiple different-colour is mixed into the white light source of LED lamp again, and the white light mixing that the colour temperature of this white light source can be sent different-colour by a plurality of blue led chips in the change LED lamp changes.
Described each blue led chip all is equipped with the bowl cup, the corresponding bowl cup of blue led chip, and described blue led chip is located in the bowl cup; Described bowl cup is provided with lens.The adding of bowl cup and lens, the white light that each blue led chip is sent carries out the luminous intensity distribution processing, and the white light better mixing that multi beam is had a different-colour is together.
As improvement, the material of described separation layer is the transparent spacer layer of polyvinyl chloride, polystyrene or glass.A plurality of blue led chips that transparent separation layer will be in the same LED lamp are isolated, and make each blue led chip become an independently light source, send the white light of self peculiar colour temperature according to the fluorescent material glue-line of self being furnished with; Transparent separation layer can make again between each blue led chip to interact simultaneously, has improved the effective rate of utilization of light to a certain extent, the mixed light better effects if between the chip.
As improvement, described shot-light lamp housing outer surface extension is provided with fin, and described shot-light lamp housing becomes one with the heat radiation patch.The shot-light lamp housing becomes one with the heat radiation patch, and radiating effect is better.
As improvement, described shot-light lamp housing is provided with the bowl lid, and described bowl covers and is provided with installing hole, is provided with mount pad in the described shot-light lamp housing.
As improvement, be provided with dc source and control circuit in the described shot-light lamp holder.Control circuit can convert the alternating current of external high pressure on the one hand and be suitable for the low-voltage DC that the LED lamp is used, and has guaranteed that the LED lamp can be operated in normal condition in the shot-light, is the key factor that guarantees the shot-light life-span; Can control the resulting drive current of each blue led chip in the LED lamp on the other hand, by changing their electric current, thereby change the colour temperature of the white light that whole shot-light sends.
As improvement, the emission peak wavelength of described blue led chip is between 444.5nm-465.5nm; The excitation wavelength of fluorescent material glue-line correspondence is between 509.5nm-660.5nm.Make the more approaching natural white light of light efficiency of mixed white light.
The beneficial effect that the utility model is compared with prior art brought is:
Be provided with a plurality of blue led chips in the LED lamp, and each blue led chip sends the white light of different-colour, the white light of multi beam different-colour mixes in the LED lamp, becomes the colour temperature of the white light that the LED lamp sent; By regulating the drive current of each blue led chip, just can change the colour temperature of the white light that the LED lamp sent.
Description of drawings
Fig. 1 is the utility model partial sectional view;
Fig. 2 is the utility model vertical view;
Fig. 3 is a LED lamp internal structure schematic diagram.
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description.
As shown in Figure 1, 2, a kind of dynamic white light LED shot-light, it comprises shot-light lamp housing 3, LED lamp 11, LED lamp socket (not indicating), shot-light lamp holder 5, and described LED lamp 11 is located on the described LED lamp socket, and described LED lamp 11, LED lamp socket are located in the shot-light lamp housing 3.Described shot-light lamp housing 3 outer surfaces extension is provided with heat radiation patch 4, and described shot-light lamp housing 3 becomes one with heat radiation patch 4; Be provided with control circuit 1 in the described shot-light lamp holder 5; As shown in Figure 3, described LED lamp 11 comprises led chip 7 and support 12, and described support 12 is provided with three or above blue led chip 7, and the emission peak wavelength of described blue led chip is between 444.5nm-465.5nm.In the present embodiment, be provided with three blue led chips 7, described three blue led chips 7 are distributed on the same circumference, and the angle between them is 120 °; Corresponding each blue led chip 7 is provided with a bowl cup 8, and blue led chip 7 is located in the bowl cup 8; Be provided with transparent separation layer 10 between three bowl cups 8, the material of described separation layer 10 is polyvinyl chloride, polystyrene or glass, and wherein, present embodiment adopts polyvinyl chloride, and separation layer 10 is divided into three independently light sources with three bowl cups 8 and blue led chip 7.Be provided with fluorescent material glue-line (not indicating) on described blue led chip 7, described fluorescent material glue-line is by the glue and the fluorescent material be combined into of different proportion, and the excitation wavelength of described smooth arogel layer correspondence is between 509.5nm-660.5nm; Also be provided with lens 9 on the described bowl cup 8, described lens 9 cover three bowl cups 8.Described three blue led chips 7, three bowl cups 8, separation layer 10, lens 9, supports 12 are formed a LED lamp 11, and described LED lamp 11 is located on the LED lamp socket.Shot-light lamp housing 3 is provided with bowl lid 2, describedly by installing hole 15 and mount pad 14 bowl lid 2 is combined closely with shot-light lamp housing 3, and bowl lid 2 is enclosed in LED lamp 11 in the shot-light lamp housing 3, also is provided with light hole 11 on the bowl lid 2.
The colour temperature control method of white light LEDs shot-light of the present utility model is as follows: the fluorescent material glue-line is by glue and fluorescent material be combined into, as required the fluorescent material glue-line on three chips made the glue with different proportion and the combination of fluorescent material; Fluorescent material on the luminous and excitated fluorescent powder glue-line of blue led chip 7, the fluorescent material glue-line with different proportionings makes blue led chip 7 send the white light of different-colour; Transparent spacer layer 10 separates each blue led chip 7, make each blue led chip 7 become independent but interactional white light source, white light source with different-colour mixes in LED lamp 11, the white light of three kinds of different-colours is mixed into the white light source of LED lamp 11 again, LED shot-light energising work, by different environment and different personal likes, adjust the drive current of 1 pair of LED lamp 11 interior three blue led chip 7 of control circuit, if expect the white light of high colour temperature, improve the drive current of the higher blue led chip 7 of colour temperature in three white light sources, reduce the drive current of the blue led chip 7 that colour temperature is lower in three white light sources simultaneously, make the white light source luminosity height of high colour temperature, the white light source luminosity of low colour temperature is low, thereby has improved the mixed colour temperature of three beams white light on the whole; In like manner if expect the white light of low colour temperature, improve the drive current of the blue led chip 7 that colour temperature is lower in three white light sources, reduce the drive current of the higher blue led chip 7 of colour temperature in three white light sources simultaneously, make that the white light source luminosity of high colour temperature is low, the white light source luminosity height of low colour temperature, thus the mixed colour temperature of three beams white light reduced on the whole.
The new structure of this practicality is to be provided with a plurality of blue led chips 7 in the LED lamp 11, and each blue led chip 7 sends the white light of different-colour, and the white light of multi beam different-colour mixes in LED lamp 11, becomes the colour temperature of the white light that LED lamp 11 sent; By regulating the drive current of each blue led chip 7, the colour temperature that just can change the white light that LED lamp 11 sent is catered to different environment and different personal likes.