Re: Switch-mode Supply For Bug Zapper (Fwd)

To: Zap Zone Defender System High Voltage list Subject: Re: Zap Zone Defender System Switch-mode provide for bug zapper (fwd) You need the factors for the steel you intend to use. Differing kinds have different losses. You obtain this from the mfgr. Digi-Key has some cheap IR type emitters & detectors. Have the fly crawl a distance, like 4-6 inches inside the tube, after which, he triggers the IR beam which controls the zapper. A small single ended NST works nice for this application. The current will burn them right up. The fly hits the IR beam on the 1/2 mid-means level which energizes a small grid in every route. The midpoint has a bit 2 inches lengthy with no grid. They grow to be trapped and cannot exit either course with out getting zapped. You could possibly additionally use a 600 Ohm to 10K audio xmfr. They make good HV sparks working in a pulsed mode. If the time duration is short, like 1-2 sec, they could additionally cost a cap rectified with a 1/2 wave diode in a short time interval. Then the charged cap waits for the fly. The charging cycle occurs each 5 minutes and is controlled by a 555 IC chip --- a small relay controls the ability section. You place sugar crystals within the tube and at the tip of the tube use a small glass test tube so you possibly can see your accumulated flies to adjust the time intervals. The flies will accumulate after which attempt to exit the charged grid section. The one we now have makes use of a traditional laminated iron, 50Hz transformer. I'd like, so I'm looking at making a switchmode model. 2) Ditto for sizing the components for the snubber. HV rectification and that I'd need a string of excessive-pace diodes.

Dynatrap makes insect traps that work on the same principle as others. They appeal to flying bugs with warmth and carbon dioxide, then catch them and forestall them from escaping. For warmth, they use a fluorescent ultra-violet bulb, which also emits bug-attracting gentle. The primary distinction is that they don’t use propane to create carbon dioxide (CO2). Instead, they use a particular course of. More on that under. Since they don’t use propane, meaning no need to purchase and alter cylinders, and best of all, no upkeep issues with clogged traces or failure of the propane to gentle-issues that hassle many different traps. You still have to plug them in, so you’ll need an out of doors outlet and Zap Zone Defender an extension cord if you'd like grasp the entice greater than 7-10 ft from the outlet. The DT2000XL model is more expensive than the DT1000 mannequin, but it’s bigger, with a stronger fan and brilliant mild, and might appeal to bugs from farther away, with coverage up to an acre for the DT2000XL and a half-acre for the DT1000, in response to the producer.

If you’ve definitely decided not to buy a propane mosquito lure, that is the next best thing. I’ll checklist the professionals and Zap Zone Defender cons of the 2 models together, as a result of they’re comparable. Its initial value is cheaper than propane traps. It doesn’t require the trouble and Zap Zone Defender System expense of replacing propane tanks. It catches different bugs moreover mosquitoes, though that’s not always good if they’re helpful ones. You should utilize it indoors or Zap Zone Defender System outdoors. The one sound is the quiet humming of the fan and there’s no odor. It’s secure for pets, children and the setting, because it makes use of no insecticides. The big one: it doesn’t necessarily kill mosquitoes particularly, so you might get extra moths or other issues as a substitute. You’ll must mount it about 5 to six ft off the ground. One model, the DT1200, comes with its own hanger, Zap Zone Defender but in any other case, it needs a tree department, post, wall, fence, Zap Zone Defender and many others. to grasp or Zap Zone Defender System sit on.

If you employ it outdoors, it might have some rain shelter to prevent water from moving into the accumulating area. It wants an outlet 7-10 toes away or an extension cord. It’s tough to empty with out letting some bugs escape. The claim that it emits an efficient quantity of CO2 has been questioned. Like all traps, it wants positioned in a great location, Zap Zone Defender System shady and sheltered, where mosquitoes can discover it, however not the place you’ll be bothered by them. The lights in the top of the lure emit warmth and Zap Zone Defender System ultraviolet rays, which attract mosquitoes as well as other insects, notably moths at evening. There are openings beneath the lights the place bugs can fly in. Once inside, they’re sucked down by the fan’s air currents into the retaining cage beneath, where they’re unable to flee and die within a day. Unfortunately, light and warmth are simply two of the issues that appeal to mosquitoes, since what they’re mainly searching for are folks to chunk.

Carbon dioxide is what they really seek, since we and other animals emit it once we exhale. Mosquitoes know that in the event that they comply with that vapor path, there will likely be a tasty animal on the opposite finish, ready to be bitten. To supply carbon dioxide, the Dynatrap uses a broad type of funnel above the fan, coated with titanium dioxide (TiO2). The producer claims that when the ultraviolet mild reacts with the TiO2, "a photocatalytic response takes place that produces carbon dioxide." This is the process it uses, instead of burning propane like different traps. However, when the University of Wisconsin tried to measure the quantity of carbon dioxide emitted, they reported that they detected none in any respect. One reviewer pointed out that the TiO2 floor would want coated with a source of carbon, like mud or lifeless bugs, to ensure that the method to make carbon dioxide. See the overview here (scroll all the way down to Dr. Marsteller’s comment).