Now when people are decorating their new homes, ceilings will generally be suspended if the room is highly permissible. One can increase the sense of space and look more beautiful; second, some pipelines can be well concealed. The ceiling of the light is not enough to look good, and then get a LED light, and the light is on at night, this FEEL. However, the lights on the market are mixed and prosperous. How do you distinguish between true and false elections? It takes a lifetime to see through a person's heart and see that only 6 eyes are required for LED lights.
1, see the material - cottage are more tipsHigh-pressure light strips are basically made of PVC materials, and regular manufacturers will use domestic environmental protection materials, basically no taste. Non-regular manufacturers use secondary recycled PVC materials, which have a large plastic taste during production. Low-voltage lamps with casing, the regular manufacturers will use silicone casing, PVC jacket used by informal manufacturers, single from here, the price difference is very large.
2, see FPC - the details of the place to see true chapter FPC sub-copper and rolled copper two, the copper foil copper is protruding, look carefully from the pad and FPC connection can be seen. The rolled copper is closely integrated with the FPC, and can be bent freely without pad dropout. If the copper plate is bent too much, the pad will fall off. If the temperature is too high during repair, the pad will fall off.3, look at the surface - love clean children are good
If the LED light strips produced by the SMT process are used, the surface cleanliness is very good and no impurities and stains are visible. However, if the cottage version of the LED light strip produced by the hand-welding process is used, no matter how the surface is cleaned, there will be traces of stains and cleaning residues, and there will be residual flux and tin residue on the surface of the FPC.
4, see solder joints - finally exposed horsesThe LED strips produced by the manufacturer of the regular LED strips are produced using the SMT chip process using solder paste and reflow soldering processes. Therefore, the solder joints on the LED strips are relatively smooth and the amount of solder is not large. The solder joints arc in an arc shape extending from the FPC pads to the LED electrodes. On the other hand, the amount of solder in the solder joints of the cottage version of the LED strip is not uniform, and it is often surrounded by a dot that covers the solder fillet. At the same time, tin spikes of different degrees appear. This is a typical phenomenon of manual soldering.
5, look at the label - we are people with identityThe regular LED lights will have a printed label on top of the bag and reel, not a printed label. The cottage version of the label is printed, while the specifications and parameters are not uniform.
6, see packaging - look like wearing a local ahThe regular LED strips will be packaged in anti-static roll trays, typically 5 meters in rolls or 10 meters in rolls, and then sealed with anti-static moisture-proof bags. The cottage version of the LED strip will use recycled reel trays because of cost savings, and then there is no anti-static moisture-proof packaging bag. Look carefully at the reel tray to see traces and scratches left on the exterior when the label is removed.
Light strips
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