2013年3月7日星期四

Life expectancy of nearly 15 times the Philips LED bulb first test


As a leader in the global lighting industry, Philips (Philips) LED bulb also gained a lot of users of all ages. The obtained L Prize LED lights in the world have pocketed the eye. Philips lighting products are a good mix of new lighting applications and technologies to build a future.
Series LED bulb of the Philips myVision wise of heart is such a product, energy efficient lighting to make our lives better. Today, I bring this myVision wise of heart series LED 6W Bulb first evaluation, a full range of testing and analysis.
 Introduction to Philips Wai-sum series LED bulb lights packaging generous double-shell plastic packaging with a certain degree of flexibility, can play a buffer role, give LED lights to provide a certain amount of protection, while the transparent part of the packaging also allows the user to directly see the product, avoiding the icon does not match the product and packaging.

The packaging of the product also provides the parameters of the product, which will also be the focus of this evaluation. Can easily see that the nominal power of this LED bulb 6W, used to replace 40W incandescent; suitable for 220V-240V, 50Hz-60Hz power, light color of 2700K is the warm white; luminous flux 350 lumens, luminous efficiency 58lm / W.
 Wai Sam Philips Series LED bulb shape and ordinary incandescent is no different from using A55 bulb shape, with a maximum diameter of 55 mm, the interface also uses the most common E27 screw, so that a high degree of versatility and can be used the replacement of the original E27 screw bulb. The lamp shell using a matte material, but also to a more uniform light bulb.

The only Philips (PHILIPS) trademark, the front of the product, followed by the labeling of some of the main parameters of the product as well as the related certification, classic shape with a white light body gives a concise but without losing the feeling of the atmosphere.

This LED bulb has also done a very good job in terms of detail. Screw parts is very smooth, very convenient to install and remove, not appear suitable stuck or thread. At the interface of metal and plastic parts with a smooth handling, no burrs and edges and corners, and also to avoid damage in the use of the user. Tie product to both interfaces, or materials are good to reflect Philips demeanor as an international leader in lighting manufacturers.

In many cases, the color temperature is often overlooked by consumers parameter, but this does not indicate that it is not important. Color temperature indicators of the light color of the light source, the unit is Kelvin (K), the different colors of light have different lighting effects, suitable for different lighting environments, but if the unreasonable use of different color temperature, our life will bring adversely affected, so the color temperature of the lamp can not be ignored.

Konica Minolta CL-200 illuminometer this professional product we use to measure color temperature of this LED lights. In order to obtain more accurate data, we work continuously in this LED lights start 30 minutes before the test. To exclude the interference of other factors in the test, we have taken in a plurality of positions at different distances to the color temperature value, and finally take the average value of this test color temperature of the LED lamp.

The the professional tools test measured this LED lamp color temperature of 2751K, warm light, the product packaging nominal color temperature of 2700K compared agreement, which Philips can also be seen in terms of the color temperature of the product is still a good grasp . Test this product in a different color temperature value of the distance and azimuth largest gap is only 23K, you can say almost no effect on the use of the environment.

This product is a color temperature of 2751K, is a warm light, incandescent light color close, can bring us warm, healthy, comfortable feeling. For family, home, dormitories, hotels and other establishments or low temperature.

Illuminance per unit area of ​​the received light flux, we usually call home enough light, refers to the illuminance. The illumination of the unit is lux (LUX), in the choice of the incandescent lamp, the products of the different wattage provide different illuminance, also require different lighting products in the different environments to provide the required rational illuminance.

Konica Minolta CL-200 illuminometer this professional product we use to measure the illumination of this LED lights. In order to obtain more accurate data, we work continuously in this LED lights start 30 minutes before the test. Objective during the test does not use any other light source to ensure that the collected data, the camera's flash is not turned on.

Product packaging marked luminous flux of 350 lumens, and after the actual test, we have come to the average illuminance value measured at 40 cm distance This LED lights 547.7lux, average illuminance value measured at 1 meter from the LED lights 80.7lux average illuminance value, measured at 2 meters from the LED lights 20.6lux.

We differ in the degree of control of day-to-day work and life needs. Generally the most demanding control degrees in drawing and precision operation 600lux; reading needs illumination 500lux,; office and classroom control degree requirements to 300 lux. , This product can be drawn at a closer distance can provide enough illumination to control the degree of high demand for work use, but are not suitable distance from this LED lamp test.

Energy efficiency of LED lighting products, one of the biggest advantages is the low energy consumption, relative to incandescent and fluorescent bulbs more energy-efficient, while the power consumption of the product is also more emphasis on consumer indicators, it also reflects the LED lamp manufacturers in the LED technical level. This LED bulb, we will also do the test in terms of power consumption.

Terms of power consumption, the nominal power of this LED bulb 6W, can replace 40W incandescent lamp, 80% energy savings compared to incandescent. We use a power meter to measure the actual energy consumption of the product during use. During testing, in order to avoid the influence of the different lamps, this LED lamp directly via a power meter to access the power, do not use other lighting products. LED bulb in this work for 30 minutes and the power meter reading to stabilize and then start to value.

We can clearly see that this LED light in actual use in power only 5W, even lower than the nominal power of 1W, at the same time still very impressive lighting effects, can also see Philips products can consumption is still very strict control.

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