On Thursday, January 05, 2012 07:07:03 PM Dave did opine: > On 1/5/2012 2:18 PM, Kent A. Reed wrote: > > On 1/5/2012 12:14 PM, Dave wrote: > >> On 1/5/2012 11:29 AM, Kent A. Reed wrote: > >>> On 1/5/2012 11:07 AM, Dave wrote: > >>>> On 1/5/2012 8:45 AM, andy pugh wrote: > >>>>> On 5 January 2012 13:41, Edward Bernard<yankeelena2...@yahoo.com> wrote: > >>>>>> How do you deal with cooling issues having all that gear in one > >>>>>> enclosure? > >>>>> > >>>>> I don't know yet. > >>>>> The actual servo drives will be external (and near the motors) > >>>>> though, so the only heat in there should be from the low-power > >>>>> motherboard. > >>>> > >>>> If the surrounding environment is not too hostile, the easiest way > >>>> is to blow air through the box - like a PC. The MW525 does not > >>>> require a fan so if you create a breeze across > >>>> the heat sink it should be cooled sufficiently in even a hot > >>>> environment. If everything is in a sealed box the only > >>>> alternative is to blow air across the components inside the box > >>>> and make sure the box is large enough to become warm yet dissipate > >>>> the heat > >>>> into the cooler surrounding air. A MW525 system throws off about > >>>> 20 watts of heat. > >>>> > >>>> I recently bought some of these to help keep dust and dirt out of a > >>>> PC enclosure in dirty environment. Along with a good 120 mm fan, > >>>> something like this would be useful in some industrial > >>>> environments to ventilate a cabinet with filtered air. > >>>> http://www.tigerdirect.com/applications/searchtools/item-details.as > >>>> p?EdpNo=5554585&SRCCODE=WEBLET03ORDER&cm_mmc=Email-_-WebletMain-_-W > >>>> EBLET03ORDER-_-Deals > >>>> > >>>> The Intel bios has a display that will show you the CPU core > >>>> temperature so you can get an idea of how efficiently your > >>>> enclosure is keeping your PC boards cool. > >>>> > >>>> Dave > >>> > >>> Gentle persons: > >>> > >>> Watercooling is the cats meow in high-end gaming systems. My local > >>> Microcenter has a whole aisle devoted to aftermarket add-ons like > >>> pumps, heat exchangers, tubing in disco colors, etc., (with or > >>> without the attendant lowrider lighting!). > >>> > >>> Apart from our natural conservatism, is there any reason y'all with > >>> big systems aren't watercooling within a sealed box, piping the > >>> heat to an external radiator? > >>> > >>> Regards, > >>> Kent > >> > >> It really isn't just a CPU cooling issue. Usually the entire > >> enclosure needs to be cooled. The cheap industrial way to cool a > >> cabinet is to use a Exair type vortex compressed air powered cooler. > >> They are relatively cheap, and bulletproof, but they eat a lot of > >> compressed air. But if you have a lot of compressed air available, > >> then that can be a good solution. > > > > I wasn't thinking just in terms of CPU cooling, Dave. With the parts > > available, one can rig up almost anything, which has always been a > > theme of this forum. Sure the shrink-wrapped retail components are > > expensive, but that's because it's being sold to folks with more > > money than sense (I've seen guys drop $5K on a custom gaming system). > > It can be done more cheaply. > > > > The point for me was, you folks were talking about problems cooling a > > box in a dirty environment. To me that says use heat exchangers. If > > you don't like liquid-to-air heat exchange, use air-to-air heat > > exchange. > > > > From the days I started building experimental lab equipment, my > > > > personal choice always has been to try not to generate more heat than > > I can conduct away to ambient. These days the drive toward ubiquitous > > mobile devices is solving the problem on the computer side but it's > > still an issue on the motor-drive side. > > > > Regards, > > Kent > > True enough. Apparently you have been to the watercooling aisle in > Microcenter. ;-) It is pretty amazing what you can buy and for how > much. > > Air to air heat exchanger work ok if things are not too hot on the > outside of the panel. Air conditioners, like Hoffman units, are good > for tough environments but they are expensive. > > Like you said these low power computers really have helped a lot. > > If someone comes up with a simple temperature control solution for a > control panel, both heating and cooling, let me know. I sure haven't > found it yet. > > Dave
Dave, if it needs heating, its time for a long coffee break, say to about the middle of April? Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> 0 7 * * * echo "...Linux is just a fad" | mail bi...@microsoft.com - s= "And remember..." ------------------------------------------------------------------------------ Ridiculously easy VDI. With Citrix VDI-in-a-Box, you don't need a complex infrastructure or vast IT resources to deliver seamless, secure access to virtual desktops. With this all-in-one solution, easily deploy virtual desktops for less than the cost of PCs and save 60% on VDI infrastructure costs. Try it free! http://p.sf.net/sfu/Citrix-VDIinabox _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
