Friday, April 29, 2011

the indoor LED

The floodlight(the indoor) of LED and LED street lamp and common floodlight good and bad?
The economy energy that illuminates facilities concerning LED is obvious to all, but LED indoor lighting and street lamp in nowadays have again which cruxes and shortage?
The bright degree is low, the price is expensive, the LED fluorescent lamp wants to buy 200 to go to 300 more, but common of fluorescent lamp connect the support just want 20 to come to dollar, again lead a decade and eight years, probably bright degree and price should like, LED all uses to use much in showing to hold and decorating light now, I am to do LED product, if you call my home to illuminate a product with LED, I affirmation don't want, is still a traditional fluorescent lamp, economize on energy a light friendly, utility, bright degree Gao.

If you say LED uses on the street lamp on Malaysia road, don't knock down just strange, the LED weakness is that the artillery range is short, the ray shines on not and far, at the time that close quarter saw, you would feel it's very bright in fact and otherwise.Gao Gan Deng of Malaysia road both sides is all generally 5,6 meters high, LED's shining on on the road noodles is already a nothing important light, if use park and path up, bright degree place with not high request, pack isn't a very high street lamp can also had better be solar, the electricity chargeses all save, didn't give or get an electric shock of time can order previous 23.Or are the method that traditional light source and LED combine, the first half night is used traditional light source lighting, the later half of the night uses LED when the person is little light source lighting.

However personal think that the street lamp still keeps hasing no traditional economy energy light currently and stews to turn a thing light, Na light the economy is friendly, LED the quality of the profession is getting more lousy too much now, LED says is use till 100,000 hours, if make into a lamp, with another electronics component combine together be not so returned to matter, the other electronics component life span is generally several ten thousand hours, now a lot of factory house is to use a second-hand electronics component(the factory house of especially ancient town), the life span said nothing of and plused outdoor usage environment to influence, the quality good LED lighting product may have life span for 4-50,000 hour, the quality differs of 5,000 hours all have no, this is also the LED profession price to differ very great reason currently.

White light LED

White light LED is illuminating realm quest headway, at physically applied in continuously exaltation, have already obtained not a few result, push LED illuminate of development.LED is applied to the night scene illuminates and has already displayed very great superiority, but is a function lighting, also far didn't attain a mature stage regardless on the product or the technique, exist not a few problems that need further solution, certainly this also matches development regulation, the key problem has:

(1)The LED chip mainly depends on import, the applied domestic chip is few, big power(1 W and above) chip didn't°yet, the chip is in need of his/her own technique and intelligent property right;The our country has already owned a very large-scale LED to pack industry and has better material, but seals to pack technique, material and craft and also exists a certain margin.

(2)Lack united standard, include LED lamp system, drive electric circuit etc., a part of business enterprises develop their his/her own advantage and studied to develop own product and had some to then draw lessons from or make copy, the product level is uneven, each patrimony article scale each difference, compatibility bad, maintain a difficulty.

(3)The test method of LED floodlight didn't unify, some tests of parameters still needed a research, if the color diagraph friendly body's turning on electricity a light isn't necessarily same.

(4)The LED lamp product is still placed in an entry-level stage, not mature in the technique, also exist not a few problems, such as:
1)Spread a hot problem:How knot to effectively be as low as to allow level, still in the quest and the fulfillment, the temperature controls not good, influence radiation, add only and only Shuai to reduce, even color and color stability.

2)Majority of colors of LEDs are higher currently, excessive blue spectrum, for majority of indoor places, will make the person feel unwell, the creation incitement isn't enough with environment to moderate, the ray isn't enough soft, the disadvantage protects at eyes.

3)LED useds to indoor function lighting, how design a going together with of lamp only and control only system, is also a new topic, the definite direction gives out light of LED differ from existing light source, the glint, diffusion of lamp, go together with only, all have own characteristics.

4)LED illuminates of drive electric circuit:Also need to be further excellent to turn and standardize, also need date, its function includes service life, help consume, Xie wave, power factor etc., all need quest.

(5)The price leads Gao, is expansion application of another obstacle, the list is subsidized by government, not the good plan of development, replace an incandescent lamp to wait low effect light source with LED, have already shown Zhao economy energy effect, can enjoy a subsidy;But opposite three radicle colorses keeps tube fluorescent lamp, this higher effect light source, didn't economize on energy effect(at least today is such), lead high of the beginning set up expenses and there is extremely no the rationality of economy.

(6)Another problem that LED illuminates, is lack steady have a preface of development situation.Short several years, several thousand business enterprises crushes into LED lighting and have a coax but rise of power, make the person think of the age of "great leap forward".There are some business enterprises creating in the mimicry, the low level is repeated and depend exaggerative go into city, business enterprise and some medium having blend and excessively stir-fry to make and exaggerate economy energy effect, even the officials of the government also take to push wave to help a Lan function and misled usage unit separately.The technique standard and objective evaluation mechanism that has to build up a set of integrity, the practical and realistic public opinion direction, guides it to healthily develop.