11 yuan T8LED lamp is how to make? And evaluation

[LED] China Vtion dark energy LED lighting lamp shared 11 yuan Strategic Alliance launched has been freshly baked, small to get the sample also found a lighting evaluation testing equipment company to carry out a full range of this product. Nonsense is not much, the evaluation process see picture.

T8 LED lamp disassembly before panorama

T8 LED lamp test carried out

Power, luminous flux, color rendering index are the main content of the test tube, after ten minutes of testing, the final results show that the power 14.99W, luminous flux 1535.9lm, light efficiency 102.43lm/W, color rendering index of 74.7. Reference to the test staff at the scene said a word, 11 yuan, on the light and color rendering index".

T8 LED lamp disassembly

Originally, it is necessary to dismantle, but only to see this situation, in an attempt to open the lamp tube placed at one end of the power supply, perhaps too much force, the glass tube broken...... The dismantling site staff said, "this lamp design is not to let people dismantling, dismantling violence only meizhe.

This layer is a glass tube, the advantage is that the price is relatively cheap, the disadvantage is fragile, relatively large transport losses.

Xiao Bian also started to think the silver layer is radiating aluminum, and found that a layer of silver stickers, self heating lamp through the glass plate through the heat radiating guide to glue glass tube, is also debatable whether this way of cooling can meet the cooling requirements of the whole lamp.

Continue to disassemble the lamp

According to the field engineer that lamp should be double and 40 string, 80 0.2W 2835 beads using the whole lamp.

The lamp beads

Power finally show up, ordinary switching power supply, non isolated power supply, with IC and transformers, better than the resistance capacitance power supply.

Heat transfer stickers, and this lamp is basically based on the current and aluminum heat sink, led by the thermal conductivity of glass. (text / China LED network Lurena)

Note: the whole process of the evaluation and dismantling of the lamp has been supported by Shenzhen microelectronics Microelectronics Co., Ltd., thank you very much!

For more information about LED, please click on China LED network or pay attention to WeChat public account (cnledw2013).