CN102865486B - A kind of LED of high lighting quality - Google Patents

A kind of LED of high lighting quality Download PDF

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Publication number
CN102865486B
CN102865486B CN201210366208.6A CN201210366208A CN102865486B CN 102865486 B CN102865486 B CN 102865486B CN 201210366208 A CN201210366208 A CN 201210366208A CN 102865486 B CN102865486 B CN 102865486B
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China
Prior art keywords
lamp housing
led
wick
blowing device
described
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CN201210366208.6A
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Chinese (zh)
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CN102865486A (en
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龚明甫
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龚明甫
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Priority to CN201210366208.6A priority patent/CN102865486B/en
Publication of CN102865486A publication Critical patent/CN102865486A/en
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Abstract

The present invention relates to a kind of electricity-saving lamp, particularly relate to a kind of LED of high lighting quality, it comprises lamp housing, wick, it is characterized in that: described lamp housing is built with discrete shape fluorescent material and blowing device.As the preferred version that this is practical, described blowing device is made up of micromachine, mini-fan and blower duct.As the another preferred version that this is practical, described blowing device comprises micro air pump, blower duct.Because fluorescent material of the present invention is discrete shape, be not fixed on lamp housing, shape is filled the air when just first being blown out by blowing device before wick luminescence, be full of in whole lamp housing, the luminous energy that wick is sent is uniformly distributed, the whole space of uniform irradiation, can not produce the hot spot that light and shade differs, and further increases the quality of illumination; Heat in LED chip, owing to have employed blowing device, can be taken away by the present invention in time, in time to the even transferring heat of lamp housing surrounding, significantly improves the heat dissipating state of LED, considerably improves the service life of LED; The present invention also improves luminous efficiency by reducing LED temperature rise.

Description

A kind of LED of high lighting quality

Technical field

The present invention relates to a kind of electricity-saving lamp, particularly relate to a kind of LED that can improve lighting quality.

Background technology

Along with expanding economy, the progress of society, energy conservation has become inevitable and social consensus.LED lamp as the green illumination of environmental protection and energy saving, just flourish in illuminating industry.LED is as novel lighting source, and it has the advantages such as energy-saving and environmental protection, long service life, low consumption, has been widely used in domestic lighting, commercial lighting, highway lighting, industrial and mineral illumination etc.

But, the following problem that the LED of current application exists: (1) LED exists the inconsistent problem of the light uniformity: the wick of LED is made up of according to certain shape many LED core bands, what have is triangular in shape, what have is square, and LED core band is again formed by the little chip-in series of multiple LED.When lightening LED lamp throws light on, in irradiated scope, there is the shortcoming that light and shade is uneven, that is exist according to and do not work, having the situation of light and shade hot spot.

(2) there is the problem of heat radiation in LED: depend on its junction temperature the service life of LED completely.As long as junction temperature is enough low, it is no problem that the life-span of LED brings up to more than 100,000 hours.But the luminous efficiency due to LED itself is current still lower, approximately also have the input power of 70% to be converted into heat energy, if these heat can not distribute well, the junction temperature of LED will raise, so the life-span of LED will decrease.So the basic way extending the LED life-span improves its heat radiation exactly.

(3) there is the problem of lighting quality in LED: the core luminous component due to LED is PN junction LED die, in the process of photon excitation light-emitting phosphor, PN junction LED die can produce a large amount of heats, if heat can not be led away in time, rising along with temperature significantly declines by luminous efficiency and the luminous mass of PN junction LED die, fluorescent material also can be accelerated aging, will have a strong impact on luminous mass, the lighting quality of LED.

Summary of the invention

The object of the present invention is to provide a kind of luminescence evenly, the LED of good, high lighting quality of dispelling the heat.

For achieving the above object, technical solution of the present invention is: a kind of LED of high lighting quality, comprises lamp housing, wick, it is characterized in that: described lamp housing is built with discrete shape fluorescent material and blowing device.

As the preferred version that this is practical, described blowing device is made up of micromachine, mini-fan and blower duct.

As the another preferred version that this is practical, described blowing device comprises micro air pump, blower duct.

As another preferred version that this is practical, described lamp housing is double-deck lamp housing, described double-deck lamp housing is made up of interior lamp housing and lamp housing, the fluorescent material of discrete shape is housed between double-deck lamp housing, described blowing device is arranged on inside interior lamp housing, described blowing device is made up of micromachine, mini-fan and blower duct, and described blower duct stretches to the bottom of lamp housing by wick, interior lamp housing.

Further, described blower duct is provided with a lot of air vent at the position by wick.

As the preferred version again that this is practical, described lamp housing is double-deck lamp housing, described double-deck lamp housing is made up of interior lamp housing and lamp housing, the fluorescent material of discrete shape is housed between double-deck lamp housing, described blowing device is arranged on lamp panel, described blowing device is made up of micro air pump and blower duct, and described blower duct stretches to the bottom of lamp housing through interior lamp housing.

Further, described blower duct is claw type.

Operation principle of the present invention is as follows: when starting power switch, blowing device starts blowing, fluorescent material in LED shell is blown out and fills the air shape, be full of in whole lamp housing, LED chip time delay starts for 0.5 ~ 1 second, the monochromatic light exposure fluorescent material sent, thus send white, uniform light, the whole field of illumination of uniform irradiation.

The invention has the beneficial effects as follows: (1) due to fluorescent material of the present invention be discrete shape, be not fixed on lamp housing, shape is filled the air when just first being blown out by blowing device before wick luminescence, be full of in whole lamp housing, the luminous energy that wick is sent is uniformly distributed, the whole space of uniform irradiation, can not produce the hot spot that light and shade differs, and further increases the quality of illumination.

(2) the present invention is owing to have employed blowing device, the heat in LED chip can be taken away in time, in time to the even transferring heat of lamp housing surrounding, significantly improves the heat dissipating state of LED, considerably improves the service life of LED; Fluorescent material in discrete shape in LED is equivalent to a kind of powder of mobility, light both can have been made to be uniformly distributed, the heat transmission of LED chip can have been scattered again.

(3) amount of heat that LED chip produces evenly is dispersed to surrounding by air-flow in the present invention in time, and the temperature of PN junction tube core significantly reduces.Because the luminous mass of PN junction tube core and its temperature have very large correlation, temperature rising luminous mass obviously declines, and temperature reduces luminous mass and significantly rises, so LED luminous mass of the present invention is better, lighting quality is higher.

(4) LED luminous efficiency following temperature rising and decline.When junction temperature is 25 DEG C, luminous efficiency 100%; When junction temperature is 150 DEG C, luminous efficiency is only 70%.The present invention, except the lighting quality that improve LED, also improves luminous efficiency by reducing LED temperature rise, thus the power that compensation micro machine or gentle breeze fan consume, make the efficiency of whole system with original substantially suitable, even slightly improve.

Accompanying drawing explanation

Fig. 1 is the structural representation of the embodiment of the present invention 1.

Fig. 2 is the structural representation of the embodiment of the present invention 2.

Fig. 3 is the structural representation of the embodiment of the present invention 3.

Fig. 4 is the structural representation of the embodiment of the present invention 4.

In accompanying drawing: 1, lamp holder; 2, micromachine; 3, mini-fan; 4, blower duct; 5, wick; 6, fluorescent material; 7, lamp housing; 8, micro air pump; 9, interior lamp housing.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention and detailed description of the invention thereof are described in further detail.

Embodiment 1

As shown in Figure 1, a kind of LED of high lighting quality comprises lamp holder 1, wick 5, lamp housing 7, the miscellaneous part such as power panel, radiator can also be comprised, described lamp housing 7 is built with the fluorescent material 6 of discrete shape and blowing device, described blowing device is made up of micromachine 2, mini-fan 3 and blower duct 4, described blower duct 4, in claw type, is conducive to air-flow and blows out to surrounding.Wick 5 is the lamp panels be in series by LED chip.

When connecting lamp power supply switch, micromachine 2 starts immediately, and wick 5 time delay starts for 0.5 ~ 2 second.Micromachine 2 drives mini-fan 3 to rotate, and produce air-flow, described air-flow blows to the fluorescent material 6 of the in-built discrete shape of lamp housing 7 by blower duct 4, makes fluorescent material 6 be full of space between lamp housing 7 and wick 5.Now wick 5 starts, and sends monochromatic light exposure in the fluorescent material 6 filling the air shape, sends white light.The object of wick 5 delayed startup is, that waits for that fluorescent material 6 blown out distribution uniform by air-flow fills the air shape, prevents wick 5 from sending the direct radiation human body of monochromatic ultraviolet light too early.

Because mini-fan 3 constantly rotates, air-flow constantly blows to fluorescent material 6 and wick 5, makes fluorescent material 6 in filling the air distribution, so the white whole room of luminous energy uniform irradiation that LED sends, can not produce the region that light and shade differs, improve the quality of illumination in room., because air-flow also constantly blows to wick 5, the heat on wick 5 is ceaselessly taken away meanwhile, the amount of heat that LED chip produces evenly is dispersed to surrounding transmission, significantly improves the heat dissipating state of LED, reduce the temperature of LED chip on wick 5.Due to the luminous mass of LED chip and the temperature of service life and chip closely related, temperature rising luminous mass significantly declines, service life serious curtailment; Temperature reduces luminous mass and significantly rises, and service life is doubled and redoubled.So adopt new structure of the present invention, the lighting quality of LED, illumination effect and service life can be significantly improved.

Embodiment 2

As shown in Figure 2, a kind of LED of high lighting quality comprises lamp holder 1, wick 5, lamp housing 7, the miscellaneous part such as power panel, radiator can also be comprised, described lamp housing 7 is built with the fluorescent material 6 of discrete shape and blowing device, described blowing device is made up of micro air pump 8 and blower duct 4, described blower duct 4, in claw type, is conducive to air-flow and blows out to surrounding.The light bar that wick 5 is in series by LED chip forms.

When connecting lamp power supply switch, micro air pump 8 starts immediately, and wick 5 time delay starts for 0.5 ~ 2 second.Micro air pump 8 constantly works, and produce air-flow, described air-flow blows to the fluorescent material 6 of the in-built discrete shape of lamp housing 7 by blower duct 4, makes fluorescent material 6 be full of space between lamp housing 7 and wick 5.Now wick 5 starts, and sends monochromatic light exposure in the fluorescent material 6 filling the air shape, sends white light.The object of wick 5 delayed startup is, that waits for that fluorescent material 6 blown out distribution uniform by air-flow fills the air shape, prevents wick 5 from sending the direct radiation human body of monochromatic ultraviolet light too early.

The effect that the present embodiment produces is identical with enforcement one, can significantly improve the lighting quality of LED, illumination effect and service life.

Embodiment 3

As shown in Figure 3, a kind of LED of high lighting quality comprises lamp holder 1, wick 5 and double-deck lamp housing, and described double-deck lamp housing is made up of interior lamp housing 9 and lamp housing 7, can also comprise the miscellaneous part such as power panel, radiator.Fluorescent material 6 and the blowing device of discrete shape are housed between described interior lamp housing 9 and lamp housing 7, described blowing device is arranged on inside interior lamp housing, blowing device is made up of micromachine 2, mini-fan 3 and blower duct 4, described blower duct 4 stretches to the bottom of lamp housing 7 by wick 5, interior lamp housing 9, and become claw type in bottom design, be conducive to air-flow and blow out to surrounding.Described blower duct 4 is provided with a lot of air vent at the position by wick 5, is used for drying, and strengthens wick 5 and dispels the heat.The light bar that wick 5 is in series by LED chip forms.

When connecting lamp power supply switch, micro air pump 8 starts immediately, and wick 5 time delay starts for 0.5 ~ 2 second.Micro air pump 8 constantly works, and produce air-flow, described air-flow blows to fluorescent material 6 in bulk between interior lamp housing 9 and lamp housing 7 through blower duct 4, makes fluorescent material 6 be full of space between interior lamp housing 9 and lamp housing 7.Now wick 5 starts, and sends monochromatic light exposure in the fluorescent material 6 filling the air shape, sends white light.In addition, because blower duct 4 is provided with a lot of air vent at the position by wick 5, when air-flow is through blower duct 4, fraction is had to blow to wick 5, the heat of the generation of wick 5 is taken away rapidly, improve to Mrs the heat radiation quality of LED chip, significantly reduce the temperature of chip, improve luminous lighting quality and the service life of wick 5.The object of wick 5 delayed startup is, that waits for that fluorescent material 6 blown out distribution uniform by air-flow fills the air shape, prevents wick 5 from sending the direct radiation human body of monochromatic ultraviolet light too early.

The present embodiment with enforcement one, implement compared with in the of two, improving the lighting quality of LED, illumination effect and in service life, better effects if.

Embodiment 4

As shown in Figure 4, a kind of LED of high lighting quality comprises lamp holder 1, wick 5 and double-deck lamp housing, can also comprise the miscellaneous part such as power panel, radiator.Described double-deck lamp housing is made up of interior lamp housing 9 and lamp housing 7, and the fluorescent material 6 of discrete shape is housed between described interior lamp housing 9 and lamp housing 7.Described wick 5 is the lamp panels be in series by LED chip, described blowing device is arranged on lamp panel, described blowing device is made up of micro air pump 8 and blower duct 4, described blower duct 4 stretches to the bottom of lamp housing 7 through interior lamp housing 9, and becoming claw type in bottom design, this claw type is designed with and is beneficial to air-flow and blows out to surrounding.Described blower duct 4 is provided with a lot of air vent at one section of position not through interior lamp housing 9, is used for drying, and strengthens the heat radiation of wick 5.

When connecting lamp power supply switch, micro air pump 8 starts immediately, and wick 5 time delay starts for 0.5 ~ 2 second.Micro air pump 8 constantly works, and produce air-flow, described air-flow blows to fluorescent material 6 in bulk between interior lamp housing 9 and lamp housing 7 through blower duct 4, makes fluorescent material 6 be full of space between interior lamp housing 9 and lamp housing 7.Now wick 5 starts, and sends monochromatic light exposure in the fluorescent material 6 filling the air shape, sends white light.In addition, because blower duct 4 is provided with a lot of air vent at one section of position not through interior lamp housing 9, when air-flow is through blower duct 4, fraction is had to blow to wick 5, the heat of the generation of wick 5 is taken away rapidly, improve to Mrs the heat radiation quality of LED chip, significantly reduce the temperature of chip, improve luminous lighting quality and the service life of wick 5.The object of wick 5 delayed startup is, that waits for that fluorescent material 6 blown out distribution uniform by air-flow fills the air shape, prevents wick 5 from sending the direct radiation human body of monochromatic ultraviolet light too early.

The present embodiment is compared with enforcement three, and improving the lighting quality of LED, illumination effect and in service life, effect is suitable.

In above-mentioned four embodiments, for safety, light switch circuit should arrange safeties, when mini-fan non rotating or micro air pump are not dried, LED answers power-off.

It is pointed out that the present invention is not limited to above-mentioned embodiment, lamp housing can be spherical, dish-type or other form, and blowing device also can adopt other forms.Generally speaking, any those skilled in the art, based on any simple modification done above-described embodiment in technical solution of the present invention, Combination application, equivalent variations and modification, all belong in protection scope of the present invention.

Claims (1)

1. the LED of a high lighting quality, comprise lamp housing, wick, blowing device, it is characterized in that: described lamp housing is double-deck lamp housing, the fluorescent material of discrete shape is housed between double-deck lamp housing, described blowing device is arranged on inside interior lamp housing, described blowing device is made up of micro air pump and blower duct, described blower duct stretches to the bottom of lamp housing through interior lamp housing, and become claw type in bottom design, described wick is the lamp panel be in series by LED chip, wick starts than micro air pump time delay for 0.5 ~ 2 second, described blower duct is provided with a lot of air vent at the position by wick, fraction in blower duct blows to wick, described blower duct is claw type.
CN201210366208.6A 2012-06-19 2012-09-27 A kind of LED of high lighting quality CN102865486B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210202500.4 2012-06-19
CN201210202500 2012-06-19
CN201210366208.6A CN102865486B (en) 2012-06-19 2012-09-27 A kind of LED of high lighting quality

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Application Number Priority Date Filing Date Title
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CN102865486B true CN102865486B (en) 2016-01-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2204037Y (en) * 1994-09-19 1995-07-26 段头生 Separation type refrigerating machinery using naturally-cold water
US5890794A (en) * 1996-04-03 1999-04-06 Abtahi; Homayoon Lighting units
CN101021304A (en) * 2006-02-16 2007-08-22 江昆渊 High-power light-emitting diode lamp
CN202118589U (en) * 2011-05-23 2012-01-18 建准电机工业股份有限公司 Led lamp
CN202747077U (en) * 2012-06-19 2013-02-20 湖南星联顶晟电子科技有限公司 LED (light-emitting diode) lamp with high illuminating quality
CN103003625A (en) * 2010-03-03 2013-03-27 克利公司 LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2204037Y (en) * 1994-09-19 1995-07-26 段头生 Separation type refrigerating machinery using naturally-cold water
US5890794A (en) * 1996-04-03 1999-04-06 Abtahi; Homayoon Lighting units
CN101021304A (en) * 2006-02-16 2007-08-22 江昆渊 High-power light-emitting diode lamp
CN103003625A (en) * 2010-03-03 2013-03-27 克利公司 LED lamp or bulb with remote phosphor and diffuser configuration with enhanced scattering properties
CN202118589U (en) * 2011-05-23 2012-01-18 建准电机工业股份有限公司 Led lamp
CN202747077U (en) * 2012-06-19 2013-02-20 湖南星联顶晟电子科技有限公司 LED (light-emitting diode) lamp with high illuminating quality

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