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700 W LED Bar Light


greenkush
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After deciding to get rid of my one bar light I ventured onto building my own.

Material:

U-Connect steel frame 25mm + corner angles cut to 1.2m a piece.

10 * 31mm UChannels cut to equal sizes (even though i didnt at times)

20 * Bridge lux eb series gen 2 strips (you can go for more efficient lm301b strips or other samsung strips, these were dirt ship 8$ a strip) their lengths are 1.1m, you can opt for different strips or smaller lengths.

2 * LRS drivers 350 Watts 36v (I plan to change to HLG at some point, to bring them in line with the other HLG 600's I run).

1 * 25m Thermal adhesive tape.

Cost cant really remember as i needed a few things like tools, strips and power supplies + customs came to around 4k (free shipping)

UChannels were cut, and sprayed with hi resistant heat spray paint (you don't have to do this, I did it for fun, and to try hide the horrible scratches on the channel, I have no noticed any reduction in thermal conductivity), connect it bars were setup into a square shape as depicted below.

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JB Weld was used to secure the channels to the frame, I tried pratley rubbish and it did not work, this was allowed to cure and set for 24-36 hours.

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The strips were laid with the double sided adhesive thermal tape

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After curing, frame was resprayed with the high heat spray paint, I was going to sand down the joints on the epoxy but i got lazy, I was also going to grind down the edges, but decided one day... (most likely never).

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A strip was run on the test bench.

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Strips were laid on the frame.

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Test run of strips

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Another test run

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In its new home, running at 150 watts per side, total of 300+- in all, potential running of 700 (true wall watts)

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I still need to get some 3.4mm bolts and securely hold strips to the channels as I got some dirt underneath a few and noticed the adhesive coming loose.

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