Teardown of a fake UVC germicidal corn-cob lamp.

Aside from the unfortunate shock risk that these lamps pose, the construction isn't too bad.
It looks quite labour intensive, with lots of wire interconnects pressed against an ungrounded metal housing.
It's inevitable that some of these will leave the factory with pinched wires making the whole housing live at mains voltage. As it is, the exposed solder connections can deliver a significant electric shock in the right circumstances.

In this instance they've decided to populate the lamp entirely with ice-blue LEDs. A colour that is quite nice, but wouldn't normally find a large market. However, in this case they're using it because it emulates the visible colour of a traditional mercury vapour germicidal lamp. Then they're selling this lamp as an actual germicidal lamp, which it isn't. I didn't detect any significant UV from the LEDs and their construction and voltage suggests that they are just ordinary LEDs.

The 60W lamp is actually 30W and each of the 13 panels is dissipating around 2.3W, which shouldn't be too bad thermally, although some extra vent holes to allow air to flow through the inside of the aluminium housing would have been useful.

The use of two drivers on a single board is probably to allow the use of standard components and spread the heat. As always with these things the driver will be baked by its own heat and the surrounding LED heat.

This lamp is basically a fake UVC lamp to allow the LED lamp makers to cash in on the global pandemic of 2020. It has no obvious germicidal properties, and instead creates an illusion with colour and marketing. If it is used in a room it will do nothing more than illuminate the room with a lovely shade of pastel blue. Apart from genuine applications where that particular colour is desired, this lamp is basically just more LED landfill.

Hopefully these lamps won't find their way into DIY facemask and equipment sterilisers, as they could potentially lead to the reuse of contaminated masks by medical staff.

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Видео Teardown of a fake UVC germicidal corn-cob lamp. канала bigclivedotcom