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Diy led fixtue

Discussion in 'LED and other Lighting' started by Rolla J, Apr 21, 2017.

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  1.  
    Rolla J

    Rolla J Well-Known Member

    Just got everything done and hooked up. 36x 10w 12v cob led's driving off 375w 12v driver 30amps. Installed 2 rocker switches for each pair. 4 fan led cooling pad to cool off the all aluminum frame. I enjoy diy projects with my free time. Looks snazzy to me for a diy. 20170421_094821_Burst01-1.jpg 20170421_094806-1.jpg
     

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  2.  
    PicklesRus

    PicklesRus Well-Known Member

    Rock on thats a cool build

    Are you going to add a growmau5 flower initiator puck?
     
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    Jimmyclone42

    Jimmyclone42 Well-Known Member

    What kind of cobs are those?
     
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  4.  
    Rolla J

    Rolla J Well-Known Member

    The kind is listed above. The brand name is Kingso. I've added 16 more chip as i was only running 20 chips for 2 weeks prior. Ill tell ya my expectations are met for sure so far. They do get a lil bit warmer than running 20 of em like before. But the cooling pad is working pretty good for dissipating the heat. Lights seem to be working great. And the girls are definitely getting bigger. Glad i went from cfl to led for flower
     
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  5.  
    Rolla J

    Rolla J Well-Known Member

    Never heard of it. Checking it out nowand it looks really cool and effective. I do have blurple supplemental lighting on the sides of the box. the red is 625 to 660nm.
    I could get this far red 10w chip 730 to 740nm. Wouldnt hurt to add something like that. i can get 3 for the price of the growmau5 flower initiator puck. Its kinda like the 10 watt chips im using now Screenshot_2017-04-22-10-15-55-1.png
     
    Last edited: Apr 22, 2017 at 9:21 AM
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  6.  
    BuddyColas

    BuddyColas Well-Known Member

    A couple a questions...so what sizes are your square stock? How did you mount your LEDs to your square stock? And the cooling...does it just blow along the sides of the square stock? And when you say hot, have you measured the temp of the aluminum square stock at full power? Thanks.
     
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  7.  
    Rolla J

    Rolla J Well-Known Member

    Thanks for stopping by. When i was just running the 2 bars 20x 10w chips w/2 ac fans with 203w power supply i could hold my hand on to the bar for atleast 5 secs until it felt hot and when i would turn off the light it was cool to the touch within a min. Temps in box stayed around 75. Now with 36 of them i can touch it for atleast 2 seconds and then it feels pretty hot. Temps in box are about 82 now. I used artic silver thermal adheasive. The aluminum bars are 1/8"x 1" x 18" and the smaller ones are 1/8" x3/4" x 18" the cooling pad has four fans i just used 2 1inch velcro strips to hold it in place. The fans blow upwards pulling the heat. For the chips says max operating temp is 176f 80c. Ill look at getting a radar gun to use just stick a sticker on the bar it should work. Or a thermal couple
     
    Last edited: Apr 22, 2017 at 11:11 AM
  8.  
    Rolla J

    Rolla J Well-Known Member

    Here r some shots of it in the box im at 16th day of flower as well 20170422_121426_Burst01-1.jpg
     

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  9.  
    Rolla J

    Rolla J Well-Known Member

    Be cool to build and add a water cooling system. Run the tubing inbetween the aluminum square stock. Could make one for 50 bucks or so.
     
  10.  
    BuddyColas

    BuddyColas Well-Known Member

    Thanks. I have used 2" square tubing and Vero 18s with good success. I put a 2" fan on one end and it kept things cool...but like yours, with fan off it wasn't to long before it was really uncomfortable to touch. Do you have any way to measure light at the canopy?
     
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  11.  
    Rolla J

    Rolla J Well-Known Member

    Nice. Ima redo my venting to. Box remodeling today. Sounds like u have a nice setup. Have u tried thermoelectric cooling strips. They r 1.5 x 1.5 perfect size for your square tubing. Screenshot_2017-04-22-15-51-07-1.png
     
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  12.  
    Rolla J

    Rolla J Well-Known Member

    I use a lux meter app on my phone. Not really up to par. But i got about 28000 at canopy. My guy is running 2000w hps and his was like 620000 at canopy
     
  13.  
    HotBunz

    HotBunz Member

    Let's not forget that with peltier coolers while one side can form ice the other side will just about boil water at the same time, hence the need for a heatsink on the hot side of the peltier.
     
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  14.  
    nfhiggs

    nfhiggs Well-Known Member

    Yup, you gotta remove that heat somehow or the peltier will literally melt.
     
  15.  
    Rolla J

    Rolla J Well-Known Member

    I just bought a pond water pump. And tubing to fit inside perfect for the square stock. Guna give it a shot try it out tonight
     
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  16.  
    Rolla J

    Rolla J Well-Known Member

    Testing out the waters. flows like piss. Works decent. Used cold water. The bars got hot but didnt seem as hot if wasnt installed. Took about a hour for the water to feel room tempeature from continuous use. 20170422_221941-1.jpg
     
  17.  
    nfhiggs

    nfhiggs Well-Known Member

    Slow down the water flow and it may be more effective.
     
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