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LED Luminaire

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LED Luminaire

Postby Jack Middleton » Thu Jul 21, 2011 11:56 pm

My tank is in need of a new light unit and this will document my progress, I will be using 6*3W High power LED's each with a colour temperature of 6000K, operating voltage of 3.4-3.8V and they draw 750mA of current. This is the circuit diagram:

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The next diagram represents the tank (whole white area) and the grey area the luminaire footprint, and the LED positioning:
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The housing will be made from MDF, sealed with paint and lacquer, the LED's will be cooled with Aluminium heat sinks and PC fans.
The resistors in the drawings will actually be current controlled LED drivers, I couldn't be bothered to draw the whole unit out, so I just placed a resistor there to represent it.
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Re: LED Luminaire

Postby Mick » Fri Jul 22, 2011 9:47 am

I want to see the whole unit drawn out :lolflag

Only,joking. Should be interesting to see it when its finished, bit too technical for me to attempt.
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Re: LED Luminaire

Postby Jack Middleton » Fri Jul 22, 2011 10:45 am

Just for you Mick :)

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Re: LED Luminaire

Postby Mick » Fri Jul 22, 2011 3:00 pm

Lol star man :)
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Re: LED Luminaire

Postby Jack Middleton » Fri Jul 22, 2011 6:39 pm

All equipment has now been ordered:
10x 3W high power LED's, operating voltage 3.4V, operating current 700mA.
10x Heat sinks including thermal tape
10x 45 degree LED lenses
2x LED current driver 700mA

I just need to get some 2A wire, 6mm MDF, paint, lacquer and some fine grade wet and dry paper.

Then all I need to do is cut up some old Scalextric transformers.
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Re: LED Luminaire

Postby malakye » Fri Jul 22, 2011 8:51 pm

Hope you remembered extra batteries for the camera (hint hint). Pictures would be good to go with this.
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Re: LED Luminaire

Postby Jack Middleton » Fri Jul 22, 2011 9:01 pm

Don't worry, I will document all progress with images, I'll do an article too.
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Re: LED Luminaire

Postby Anita » Fri Jul 22, 2011 9:53 pm

Yeah do that Jack, I would be very interested in this project and the results you have.
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Re: LED Luminaire

Postby Jack Middleton » Fri Jul 22, 2011 10:10 pm

All of the components are coming from Hong Kong, so it'll be about 2-3 weeks before work can begin, but I'll begin working on the housing next week.
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Re: LED Luminaire

Postby Big Den » Sat Jul 23, 2011 3:40 pm

Watch the mdf Jack, it doesn't like moisture at all, you may be better using plywood. Good project, looking forward to the updates.
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