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Here are a few factors that outdoor lighting designers when conducting outdoor [url=http://www.szbeyondelite.com/]LED lighting[/url] estetică must be considered -

First, outdoor lighting designers must consider [url=http://www.szbeyondelite.com/led-flood-light]outdoor LED flood lighting[/url] work environment

LED outdoor lighting because the work environment is more complex, affected by temperature , UV light, humidity, rainy rain , dust , chemical, gas and other normal conditions , over time, will cause serious problems to the LED light failure . Therefore be considered final , outdoor lighting designers should consider when designing these external environmental factors impact on LED outdoor lighting .

Second, the matter of outdoor LED lighting in the thermal material selection should be noted

Shell and radiator as a whole, to solve the LED heat transport problem, this approach is better, generally use aluminum or aluminum alloy , copper or copper alloys, and other alloys good thermal conductivity . Cooling air convection cooling, heat and strong wind cooling heat pipe cooling , ( jet refrigeration cooling a heat pipe cooling is similar , but the structure is more complicated. )

Choose what kind of cooling method , have a direct impact on the cost of the lamps , should be considered , and stil products

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Supporting select the best solution.

Shade selection is also critical of the design , the current use of clar plexiglass , PC materials , the traditional lampshade is transparent glass products, product quality positioning choose exactly what kind of material with the design of shade , in general, outdoor lighting the shade is best traditional glass, it is to create a long life, the best choice for high-end fixtures . Use of transparent plastic , glass and other materials to make the shade, do interior lamp shade is better for outdoor life is limited , because the outdoor sunlight , ultraviolet radiation, dust , chemical fumes , diurnal temperature changes and other factors make shorten lamp life of aging , followed by contaminated easily clean , so to limitează the impact of transparency lamp light output .

Third, outdoor LED chip packaging technology

The current domestic production of [url=http://www.szbeyondelite.com/]LED lighting[/url] lamps ( main street) and are based on more than 1W of LED strings to be assembled in parallel , this method is higher thermal resistance of advanced packaging technology products , is not easy to create high -quality fixtures. Or the use of 30W, 50W or more modules to be assembled in order to achieve the required power , the LED package

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Useful epoxy encapsulation material useful silicone encapsulation. Difference between the two is : less temperature epoxy resin , a long time easy to aging . Silicone encapsulated the temperature better use should be selected .

The author's view is: multi-chip package and heat sink is better overall , or multi-chip package with aluminum plate and then through the phase change materials or radiator coupled with thermal grease , thermal resistance than products made with LED device assembly the thermal resistance of the product to be less one to two thermal resistance , better heat dissipation . Lamps using LED modules , module substrate is generally copper substrate , which is coupled with the external heat sink to good use phase change materials , or good thermal grease to ensure the copper plate in time to spread outside the radiator up, as it is easy to make a bad deal with the heat accumulation caused by module chip temperature rises too high , the impact led chip to work properly. I think: multi-chip package suitable for manufacture of general lighting , modular package suitable where space is limited manufacturing compact led lamps ( such as car headlights main lighting , etc.).

Fourth, in the [url=http://www.szbeyondelite.com/]outdoor LED lighting[/url] heat sink design research

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Radiator is a very critical one led lighting components , its shape , size , thermal atingere surface area must be designed to benefit small radiator , led lamp operating temperature is too high , the impact of the luminous efficiency and lifetime , radiator too , consumption of materials to increase the cost and weight of the product competitiveness decline. [url=http://www.szbeyondelite.com/led-panel-light]Led panel lights[/url] is crucial to design appropriate heat sink . Radiator design has the following parts :

1 . Clear [url=http://www.szbeyondelite.com/led-tube-light]LED tube lights[/url] require cooling power .

2 design radiator with some parameters : metal heat , thermal conductivity of metal, chip resistance, heat sink thermal resistance , thermal resistance , such as ambient air .

(3) determine the use of the type of cooling , ( natural convection heat, strong wind cooling , heat pipe cooling , as well as other thermal cooling mode . ) From the cost comparison: natural convection lowest cost , strong wind cooling medium , heat pipe higher cooling costs, jet cooling the highest cost .

4 Make sure the LED lamps maximum permissible operating temperature ( ambient temperature plus temperature rise permitted lamps ) ,

5 calculate the volume of the heat sink , the heat dissipation area . And to determine the shape of the radiator.

6 [url=http://www.szbeyondelite.com/led-down-light]LED downlights[/url] and the radiator into a complete lighting and power work more than eight hours in

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Check the room temperature 39 ℃ -40 ℃ ambient temperature of the lamp to see if meet the cooling requirements to test calculations are correct , such as the conditions are not satisfied , they have to recalculate and adjust parameters.

7 radiator and shade between the seal to do to pad waterproof , dustproof, anti-aging lamp and radiator silicone rubber pad or mat, with stainless steel bolts , be sealed waterproof , dustproof.

Notes by more than four points , and then refer to the latest technical specifications Outdoor Lighting China promulgated and urban road lighting design standards , which are the most basic knowledge of outdoor lighting designers essential
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