tag 标签: smoke detector

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  • 热度 7
    2012-2-21 15:42
    1618 次阅读|
    0 个评论
    Several days ago, I was awakend by a very irritating electronic "meep" sound in the wee hours of the day. I'm sure it must be from a smoke detector or something of that ilk telling me that its battery needs replacing, but I couldn't work out which device was clamoring for my attention. Apart from anything else, I hadn't realised just how many "things" we have in our ceilings. When I actually started to pay attention in the wee hours of this morning, I discovered that we have white plastic enclosures with flashing LEDs all over the place... in our bedroom... in our bathroom... in the corridors... Good Grief! Even when I take things like motion detectors and smoke alarms into account, there seem to be an awful lot of other things up there and I have no idea what they are all doing. It's very, very strange. But back to my annoying "meep". First of all I attempted to use a low-tech approach... I tried to ignore it. I might have succeeded if the time between "meeps" had been just a tad longer, but another "meep" invariably came just as I was poised to slide back down into the land of nod. So after what seemed to be a year or two, I decided to find the offending unit and either (a) replace the battery or (b) reprogram it with a mallet. I couldn't turn on the light because I didn't want to wake my wife (Gina the Gorgeous), so how does one go about determining the origin of the sound? I don't know why, but for some reason the source of the "meeps" is not easy to pin down. Is it just my imagination, or are the duration of the "meeps" and the spacing between "meeps" designed to make it almost impossible to determine where the noise is actually coming from? Following a "meep" you take a few steps and then stand there for ages waiting for the next "meep" (it may be only 10 seconds or so, but it seems much longer), and then off you go again. This really is very annoying. Do the people who create these products ever actually "field test" them in any way? WHY is this so difficult? It would be much easier if the %^#$# thing went "meep ... meep ... meep ... meep ..." so you could hone in on it. Or how about augmenting the "meeps" with a rapidly flashing LED – would that really be so hard? And what about incorporating some sort of sensor or timer so that the thing only starts "meeping" around dawn or dusk, which would mean that there would be a good chance you are in the house to hear it along with a reasonable chance that you wouldn't be fast asleep when it goes off? But do you know what the really frustrating thing is? I couldn't track down the offending unit in the dark, so I ended up sticking cotton balls in my ears. Then, when I awoke this morning ... the #$%@# thing had stopped "meeping"!!! All I can say is that I did not wear my happy face that day...
  • 热度 18
    2012-2-21 15:36
    1495 次阅读|
    0 个评论
    Several days ago, at about 3AM, I was awakened by a very annoying electronic "meep" sound. I'm sure it must be from a smoke detector or something of that ilk telling me that its battery needs replacing, but I couldn't work out which device was clamoring for my attention. Apart from anything else, I hadn't realised just how many "things" we have in our ceilings. When I actually started to pay attention in the wee hours of this morning, I discovered that we have white plastic enclosures with flashing LEDs all over the place... in our bedroom... in our bathroom... in the corridors... Good Grief! Even when I take things like motion detectors and smoke alarms into account, there seem to be an awful lot of other things up there and I have no idea what they are all doing. It's very, very strange. But back to my annoying "meep". First of all I attempted to use a low-tech approach... I tried to ignore it. I might have succeeded if the time between "meeps" had been just a tad longer, but another "meep" invariably came just as I was poised to slide back down into the land of nod. So after what seemed to be a year or two, I decided to find the offending unit and either (a) replace the battery or (b) reprogram it with a mallet. I couldn't turn on the light because I didn't want to wake my wife (Gina the Gorgeous), so how does one go about determining the origin of the sound? I don't know why, but for some reason the source of the "meeps" is not easy to pin down. Is it just my imagination, or are the duration of the "meeps" and the spacing between "meeps" designed to make it almost impossible to determine where the noise is actually coming from? Following a "meep" you take a few steps and then stand there for ages waiting for the next "meep" (it may be only 10 seconds or so, but it seems much longer), and then off you go again. This really is very annoying. Do the people who create these products ever actually "field test" them in any way? WHY is this so difficult? It would be much easier if the %^#$# thing went "meep ... meep ... meep ... meep ..." so you could hone in on it. Or how about augmenting the "meeps" with a rapidly flashing LED – would that really be so hard? And what about incorporating some sort of sensor or timer so that the thing only starts "meeping" around dawn or dusk, which would mean that there would be a good chance you are in the house to hear it along with a reasonable chance that you wouldn't be fast asleep when it goes off? But do you know what the really frustrating thing is? I couldn't track down the offending unit in the dark, so I ended up sticking cotton balls in my ears. Then, when I awoke this morning ... the #$%@# thing had stopped "meeping"!!! All I can say is that I did not wear my happy face that day...  
  • 热度 11
    2011-11-24 23:31
    1813 次阅读|
    1 个评论
    I don't know about you, but I'm always watching out for the "thing" (the "gadget" or "gizmo" or software application) that will make me rich beyond my wildest dreams and allow me to retire. When I was younger (and MUCH more foolish), I used to tell myself that even if I somehow became extraordinarily wealthy – like winning the lottery, for example – I would continue working because I enjoyed what I was doing so much. Now... well, let's just say that all you would see would be the dust left behind as I raced away into the sunset. It's not that I don't enjoy what I do work-wise, you understand, it's just that there are so many other fun things I would prefer to be doing with my time, such as working on my hobby projects, writing interesting technology books for kids, and going back to college. And when I say "going back to college," I don't mean to get another degree; instead, I would "cherry-pick" the classes I wanted like "Java Programming" on Tuesday mornings and "Ancient History" on Thursday afternoons, leaving Mondays, Wednesdays, and Fridays to gather my strength for the parties at the weekend ). Of course, I first need to make some serious money. This is why I'm constantly on the look-out for something I could design and build that lots and lots and LOTS of people would want to buy. But how do people come up with these inventions? Well, "Necessity is the mother of invention," as they say. What this means is that one way to invent something useful is to think about what you need yourself and then decide (a) whether other people would want it too and (b) has anyone else done this already. The reason I'm waffling on about this is that I thought I'd got a really good idea. Some time ago (we don't know when) a water pipe started to leak behind the fridge-freezer in our kitchen (this has a water/ice dispenser, which is why it was connected to the water supply). The first we knew about this was a few days ago when the wooden floor started to buckle up, by which time it had absorbed lots and lots of water. Suffice it to say that fixing this is going to take a lot of time and money and is going to be a major pain. Anyway, I was standing in the kitchen glaring at the offending pipe/connection when I thought that it would be a really good idea to have a little electronic "gizmo" that you could put on the floor under or behind the fridge – something like a battery-operated smoke detector (but for water) that would sound an alarm if it detected any dampness. Furthermore, it would have to be cheap enough that anyone could afford to buy a bunch of them and put one anywhere where water might be a problem, like under the kitchen and bathroom sinks, under dishwashers and fridges, and so on and so forth. The thing is that if we had had one under our fridge, we would have had a warning as soon as the leak started and we could have quickly sorted everything out and saved ourselves a lot of tears (metaphorically speaking). I was so enthused about this idea that I immediately emailed my inventor friend Brian LaGrave, one of the founders and vice president of BDH Consulting , because this is the sort of project we like to work on together. Within a few minutes, Brian responded by pointing me at Zircon 63931 Leak Alert Electronic Water Detector – a pack of three costs around $22 (less than $8 each) on Amazon.com (I can't believe I didn't think of looking here myself – I think I was just carried away with enthusiasm). With a rating of 4 out of 5 stars from 143 reviews, this looks to be a really good deal.       Bummer! This is just what I was envisaging (except that I wanted to be the one selling the little beauties). On the bright side, I just order a bunch of these little rascals so I can deploy them throughout the house wherever a leak might occur in the future. Oh well, back to the drawing board...