To do LED lighting, let's see what others do. The editors of this site carefully organize the top ten LED disassembly, including: LED spotlights, LED bulbs, LED candle lights, LED downlights and Other popular lamps on the market. From a few dollars of cottage goods, to high-end atmospheric brands, look at the picture to explain the product differences. Summarize the experience of the predecessors and make the difference products.
Aspect 1: [Remove] two 3W LED spotlights "luxury" PK "normal"
http://lights.ofweek.com/2013-10/ART-220001-11000-28737879.html
Two spotlights were removed to compare: 1.98 is the ordinary home improvement version; 3.98 is the deluxe version. The structure, LED chip and drive of these two lamps are the same. Based on the mainstream constant current drive, the price of both lamps is still very good value.
Aspect 2: [Dismantling Quest] LED downlights selling sheep meat on the market
http://lights.ofweek.com/2013-10/ART-220001-11000-28736562.html
Not worth buying, the pictures are fake! It is said that the 4 gold wire beads, but the 2 gold wire beads, the power is different from their picture, worse than the picture! These specials are more or less tricky!
Aspect 3: [Reconstruction comparison] 6.8 yuan and 30 yuan LED bulbs are more expensive
http://lights.ofweek.com/2013-10/ART-220001-11000-28737595.html
There is a saying that one point is worth the price! It happens that there are two kinds of LED bulbs of different specifications and prices: one is a 3W6.8 yuan on a treasure, one is 7W30 yuan, the weight is obviously 7W is much heavier, then what are their internal work? What is different? Let's share it with everyone.
The main circuit of the equipment is the full bridge controlled circuit and the trigger circuit is the programmable integrated circuit. The phase-shifting, fixed width and modulation of the pulse are all digitized, and it does not need any adjustment for the section of the trigger. It has the features of high reliability, high pulse symmetry, strong anti-interference ability, quick reaction, as well as the advantages of no heat-generating, constant current, energy-saving which is compared with the discharge with the electrical resistance.
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