I had the idea years ago to use one for monitoring a battery pack. Waiting for a cheap smart phone add-on. I would think you'd be able too see hotter cells and connections. It would require s/w and learning normal operation but imagine if it could replace all wires and circuits of a BMS.
On Sat, Jan 24, 2015 at 10:12 AM, Robert Bruninga via EV <[email protected]> wrote: > I borrowed an IR camera to look around the house. Its amazing waht these > $400 cameras can see. In my old house, I can see vertical columns in the > walls where the blown in insulation never reached. > > I then looked indoors at the 2nd floor ceilings and could see some obvious > cold spots. > > But the weirdest one was when I was in the basement looking around at the > overhead wiring and circuits. You could see which wires were carrying > current, they were bright white against the cold blue background.... but > there was one nearly white hot spot on the floor above one area. I knew > there was nothing there so I was worried about an unknown imbedded wire > building up heat. It was a large spot about a foot in diameter. > > I went upstairs and found a cat. > > Amazing. The cat was on top of a 1/2" thick wool braided rug, on top of > 3/8" of ceramic tile, on top of 3/4" plywood flooring, on top or 3/4" of > tongue and groove decking. Almost 2.5" of solid material and yet he was as > visible as if he was a light bulb! > > SO that's where all that cat food goes. Wasted heat. > > I also found the camera useful in troubleshooting electric circuits even in > our tiny 4" cubesat. I could see where a short circuit was on a solar > panel., etc > > Anyway, I'll probably buy one for retirement when I can no longer borrow > this one. > > For those who haven't seen one, the image is live just like a TV camera. > But the trick for really getting a good idea of energy loss is to point a > scene and then lock the IR level. This lets you see everything relative to > that fixed temperature. > > If you do not lock the levels, it re-adjusts every 2 seconds and so you can > see everything in the one scene relative to itself, but not relative to any > other scene, or fixed temperature. > > P.S. It will be ideal when spring comes and I start working on my EV > conversion again. You can see temperature variations in wires that you > could never sense with your fingers... > > > Bob, Wb4APR > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150124/7ed443fe/attachment.htm > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20150125/4e432b39/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
