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The principle and method of reducing energy consumption and saving energy-Mr16 cob led spot light Oct 26, 2017

The principle and method of reducing energy consumption and saving energy-Mr16  cob  led spot light

  

LED in many ways outperform traditional lighting sources, including higher energy efficiency, longer service life and smaller size. However, the cost of the problem has been so many lighting design engineers feel a headache, which is why LED manufacturers to continue to innovate and enhance the key reasons for economies of scale.

The Sharp COB module is described in detail below.

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Mega Zenigata 50-80W module energy-saving, dedicated to high-power lighting applications. According to reports, highlight LED can eliminate a light in a number of LED lights around the uneven problem. These modules allow only one LED to be used in a fixture, saving space and eliminating uneven lighting problems. The Mega Zenigata series has a package size of 20 x 24, including both high CRI and low CRI modules with a minimum CRI performance of 90 and 80, respectively. These COBLEDs can be used for indoor and outdoor lighting, including architectural lighting, spotlights, spotlights, embedded downlights, site and object lighting.

Sharp offers a 15W Mini Zenigata COB series for medium size product applications, which uses round 8mm LES to simplify lens and reflector design. According to Sharp, Mini Zenigata LED package is 15x12x1.6mm, surface area is about one-third of Mega products and can reduce the light-emitting area. Applications include indoor, outdoor lighting, architectural lighting, reading lights, mobile lighting, signal and sign lights, and venue and object lighting.

In low-power products, the 4-6W Petite Zenigata COB LED (Figure 2) is designed for applications requiring smaller lenses, such as small spotlights or track lights. These LEDs are available in 8x12mm miniature packages, 4mm LES. When using a 9.6V product, a step-down DC / DC converter can be used in an MR16 lamp (typically 12V), while a higher voltage (40V) component simplifies the drive design of the line voltage GU10 bulb. These LEDs can be used in designs that require extremely compact lenses, including MR16 replacement lamps, GU10 replacement lights, small track lights, miniature projection lamps, chandeliers, small reading lights and small light bulbs. The high CRI series (minimum CRI90) produces 300-395 lumens brightness.

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Sharp Petite Zenigata COB LED with 8x12mm small package, 4mm LES. When using a 9.6V product, a step-down DC / DC converter can be used in an MR16 lamp (typically 12V), while a higher voltage (40V) component simplifies the driver design of the line voltage supply type GU10 bulb data).

CreeInc. (Durham, NC) recently expanded its CXA lineup with more than 11,000 lumens of CXA 3070 LED arrays at 85 ° C. The high-light output LED array is designed to simplify design, reduce total system cost, deliver 134lm / W at 85 ° C and provide CRI options between 70-95. The series LEDs are characterized and sub-stalls at 85 ° C, supporting ANSI white light and Easy White color temperature (2,700K-5,000K).

The CXA 3070 LED array features high lumen output and energy efficiency, achieving 8000 to more than 10,000 lumens of system performance. In other words, the product can be used in high lumen output applications such as high shed lights and ceramic metal halide replacement lamps.

The relative luminous flux values of the CXA3070 array provided by this supplier (see Figure 3 below) refer to the ratio of the measured value of the CXA3070 to the luminous flux measurement during a given condition (TJ = 85 ° C, 1,925 mA Conditional pulse measurement).

For example, at TC = 25 ° C, IF = 1,300 mA steady state, the relative luminous flux ratio is 80%. If the CXA3070 LED has a measured value of 8,500 lm during the bin, it can output 6,800 lm (8,500 * 0.8) in steady state with TC = 25 ° C and IF = 1,300 mA.

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   The relative luminous flux value is determined by the ratio of the measured value of the measured value of the CXA3070 in stable operation at a given condition to the luminous flux measured during the bin (TJ = 85 ° C, measured at 1,925 mA) Thanks to Cree to provide data).