LED tube bulbs material and appearance

     The LED tube bulbs is composed of a plurality of high brightness low power LED, PC with a high transmittance, radiating aluminum parts and power supply.
     LED light source lamp uses the straw hat head and SMD beads two types. SMD beads which is commonly used in the 3528, 5050, 1W high power etc..
     The LED light tube shell there are two types:
1, PC transparent shell, pervious to light performance is high, can see the inside of the lamp;
2, Translucent matte casing, with soft light.
     The built-in LED tube power supply, the working voltage is wide voltage range, from 85V to 265V can be used.
     LED tube bulbs can be made into red, yellow, blue, green, white, warm white and other colors.

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The characteristics of 7W led light bulbs

     The characteristics of 7W led light bulbs can be concluded as following:
     Convenience: You can directly replace the existing E27, E14, B22, GU10 CFL and incandescent interface.
     Security: ordinary energy-saving lamp working temperature at 60 to 80 °C, incandescent temperature is more high (80 to 120 °C), if you do not accidentally hit will burns.
     Energy saving: the power of incandescent 20W ~ 100W, energy-saving lamp power 5W ~ 65W.
     Environmental protection: LED light source no infrared and ultraviolet radiation at work.
     Short response time: 7W led light bulbs will not change because of the ambient temperature change, the normal working temperature of -35~80 °C.
     Long life: the life of an ordinary incandescent lamp is 1000 hours, energy-saving lamp life is 8000 hours (according to work 4 hours a day). LED lamp life is 50,000 hours (calculated according to 24 hours a day).

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How to choose the mall LED down light

     Many malls engineering companies when choosing mall LED down light is not it will consider the following questions: Price? Quality? Security? Stable and lasting? For LED down light, summed up in one sentence, outsiders see brightness, insiders look at durability. What does that mean? The appearance of the same LED down light, at the beginning of a period of time the effect and brightness are similar, but after 3-6 months began to have the difference, the poor quality LED down light began to darken, the color of the light began to change, this will inevitably lead to market each local brightness is inconsistent, color confusion the phenomenon; high quality LED ceiling down light will not appear such phenomenon, will be able to maintain this effect. So high quality mall LED down light than the durability!

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Some problems of household LED bulb light

     In recent years, the luminous efficiency of LED is gradually improve. However, there are still some technical problems for household LED bulb light in the popularization and application:
Luminous flux needs to be further improved. Using LED as lighting source, must be able to emit more light, must have higher energy efficiency.
LED light and natural light there is still a certain gap. Incandescent lamp with a very strong yellow light component, give a person a kind of warm feeling. White LED is emitted white light with a blue light component, in this light, people's vision is not very natural.
Higher prices. This is the main reason affecting LED bulb light popularity. However, the improvement for chip technology in recent years, the manufacturing cost is decreasing sharply, nearly three years the price of LED declined by almost 50%, it is moving in the direction of the development of high efficiency and low cost, which provides favorable conditions for the application of LED bulb light in the field of lighting. In addition, a good price can also compensate for the lack of cost price.

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The design requirements of LED ceiling light radiator

     The design requirements of LED ceiling light radiator has the following parts:
     To determine the thermal design power of LED ceiling light. Parameter design of radiator: metal specific heat, thermal conductivity of metal, thermal resistance, thermal resistance of chip rate, ambient air resistance etc..
     Determine the type of using heat dissipation (natural convection, forced air cooling, heat pipe cooling, and other heat radiation mode). From the cost comparison, natural convection cooling cost is the lowest, strong wind cooling is medium, heat pipe cooling cost is high, the Jet cooling cost is the highest.
     To determine the maximum operating temperature of LED ceiling light license.
     Calculate the volume, heat radiating area of the radiator, and determine the shape of the radiator.
     The radiator and the LED combined into a complete LED ceiling lighting lamp, and work more than 8 hours, check the ceiling lamp temperature at room temperature to see whether meet the cooling requirements, in order to test the calculation is correct, such as do not meet the conditions of use, is to recalculate and adjust parameters.
     Radiator and lamp shade seal to do waterproof, dustproof. Between the lampshade and the radiator to pad aging rubber pad or silicone rubber pad, with stainless steel bolts, do waterproof, dustproof seal.

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The application of LED grille down light

     LED grille down light using high quality LED light source, light non ultraviolet and infrared rays, no radiation, no harmful elements such as mercury and lead; uses the high quality optical lens, strong penetrating power, light rate is high and the light distribution; uses the high quality aluminum alloy heat material, effective heat conduction and diffusion; DC drive, response soon, no stroboscopic, glare small.
     LED grille down light applies to stores, clothing stores, boutiques, dance hall, KTV rooms, hotel, guesthouse, restaurant, museum, museum, exhibition hall, etc.. The LED grille lamp is suitable for jewelry, gold and silver jewelry and fashion lighting, lighting corridor, bathroom, garage, parking use, factories, security lights, residential use of anti-theft lamp, night lamp, the indicating lamp, night lamp use in the bedroom.

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