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-   -   Bioload LED Fixture (http://www.canreef.com/vbulletin/showthread.php?t=85771)

bioload 04-26-2012 01:05 PM

Bioload LED Fixture
 
Working on something new and thought I'd post some pics of the build to date:

http://i635.photobucket.com/albums/u...g/led_star.jpg

http://i635.photobucket.com/albums/u...d_heatsink.jpg

http://i635.photobucket.com/albums/u...led_optics.jpg

http://i635.photobucket.com/albums/u...led_timers.jpg

http://i635.photobucket.com/albums/u...g/IMG_1832.jpg

http://i635.photobucket.com/albums/u...g/IMG_1835.jpg

http://i635.photobucket.com/albums/u...g/IMG_1840.jpg

http://i635.photobucket.com/albums/u...ing/DIYLED.jpg

http://i635.photobucket.com/albums/u...g/IMG_1843.jpg

http://i635.photobucket.com/albums/u...g/IMG_1844.jpg

http://i635.photobucket.com/albums/u...g/IMG_1845.jpg

http://i635.photobucket.com/albums/u...g/IMG_1846.jpg

http://i635.photobucket.com/albums/u...g/IMG_1847.jpg

StirCrazy 04-26-2012 02:21 PM

Quote:

Originally Posted by bioload (Post 710083)
Working on something new and thought I'd post some pics of the build to date:



http://i635.photobucket.com/albums/u...g/IMG_1844.jpg



you not using heat sinks on this one?

Steve

bioload 04-26-2012 03:16 PM

Quote:

Originally Posted by StirCrazy (Post 710105)
you not using heat sinks on this one?

Steve

Hi Steve,.....Heatsinks will be used. Took that one after completing the bottom of the unit.

Here are some more details of the build:

Whites - 40 x 3W Power LED 14000K (Maybe changed as required)
Blues - 40 x 3W LED 455nm (Maybe changed as required)
Heat sink - Individual Power LED Aluminum heat sink
Optics - 120 Degree
Timers - Weekly programmable timers Timer 1: Daylight Timer 2: Dusk/Dawn/Moon
Drivers - Mean Well LPC-35-700 constant current driver
Cooling - 4 x 11 Blade 12V 80mm
Relay - 110V AC Coil Power Relay DPDT on Timer 2 switching between dd/moon
Dimensions ~ 48" x 12" x 2"

StirCrazy 04-27-2012 03:01 PM

ahh ok, that makes more sense, where did you find thoes heat sinks? I like thoes ones.

Steve

bioload 04-30-2012 04:02 AM

Quote:

Originally Posted by StirCrazy (Post 710508)
ahh ok, that makes more sense, where did you find thoes heat sinks? I like thoes ones.

Steve

Got these ones from eBay.....really adds more flexibility when it comes to mounting the LED's.

bioload 04-30-2012 04:03 AM

Fired up for some tests and I'm pleased with the colour, and a big improvement from the 50:50 Cree's used previously. All I need to do is find the right settings that will allow me to take some pictures of the tank and fixture at the same time.

All of the pics are either overexposing the fixture or underexposing the tank, not to mention the white balance.

Here is the MDF version before I tear it all down again to start on the acrylic.

http://i635.photobucket.com/albums/u...IMG_2227-1.jpg

http://i635.photobucket.com/albums/u...g/IMG_2228.jpg

http://i635.photobucket.com/albums/u...g/IMG_2234.jpg

http://i635.photobucket.com/albums/u...g/IMG_2229.jpg

http://i635.photobucket.com/albums/u...g/IMG_2226.jpg

I've managed to clear up a lot of room mounting everything into the fixture, and eliminated a few power cords as well. The fixture will have a standard C-13/C-14 connection, but I will need to order a locking cord to prevent an unintentional dip in the tank.

The cooling fans are shutting off after several minutes of running and I've identified the relay as the cause of the problem. The vendor is sending a replacement at the moment since this is a rare occasion where I only ordered a single unit. I'm hoping that it is just a faulty relay. Still waiting on what I'll be using for moonlights to arrive as well.

The 2x4 sand will not be in the final design...will be working on some mounting brackets, and maybe a hanging kit....still haven't decided.

gregzz4 04-30-2012 04:15 AM

Nice
Are you making the whole works with acrylic, or just some parts ?

bioload 04-30-2012 04:26 AM

Quote:

Originally Posted by gregzz4 (Post 711574)
Nice
Are you making the whole works with acrylic, or just some parts ?

Hi greg....top and bottom for sure, but still undecided regarding the sides.

Something like this

http://ansblog.com/wp-content/upload...ne-4-white.jpg

or this

http://www.computus.org/journal/wp-c...8/08/iwood.jpg

bioload 04-30-2012 04:38 AM

Quote:

Originally Posted by StirCrazy (Post 710508)
ahh ok, that makes more sense, where did you find thoes heat sinks? I like thoes ones.

Steve

Found the link

http://www.ebay.ca/itm/100pcs-1W-Wat...item5645572492

gregzz4 04-30-2012 04:38 AM

Hmm, aluminum or oak
Either would look very nice. I like the idea of it being recessed into the edging.
Get on it, we want to see :razz:
If you decide to make the top of the fixture really flush, these PC fan grilles catch lots of dust and then you just vacuum them off
I run them on my office tower and they don't create extra noise, even at 1600rpm
http://www.koolertek.com/computer-pa...f-1004-b-1.jpghttp://www.koolertek.com/computer-pa...f-1004-b-2.jpg


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