To: High Voltage record Subject: Re: Switch-mode provide for bug zapper for camping indoor bug zapper (fwd) You want the components for the steel you intend to use. Different types have completely different losses. You obtain this from the mfgr. Digi-Key has some cheap IR sort 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 utility. The present will burn them right up. The fly hits the IR beam on the 1/2 mid-method point which energizes a small grid in every direction. The midpoint has a bit 2 inches lengthy with no grid. They turn out to be trapped and cannot exit either route with out getting zapped. You might also use a 600 Ohm to 10K audio xmfr. They make good HV sparks working in a pulsed mode. If the time duration is brief, like 1-2 sec, they may additionally cost a cap rectified with a 1/2 wave diode in a short time period. Then the charged cap waits for Zappify Bug Zapper official the fly. The charging cycle occurs each 5 minutes and is managed by a 555 IC chip --- a small relay controls the facility section. You place sugar crystals in the tube and at the tip of the tube use a small glass test tube so you'll be able to see your accumulated flies to regulate the time intervals. The flies will accumulate and then attempt to exit the charged grid part. The one we have now uses a standard laminated iron, 50Hz transformer. I'd like, so I'm taking a look at making a switchmode version. 2) Ditto for sizing the elements for the snubber. HV rectification and that I'd need a string of excessive-speed diodes.

Dynatrap makes insect traps that work on the identical precept as others. They attract flying bugs with warmth and carbon dioxide, then catch them and prevent them from escaping. For warmth, they use a fluorescent ultra-violet bulb, which also emits Zappify Bug Zapper official-attracting light. The primary difference is that they don’t use propane to create carbon dioxide (CO2). Instead, they use a special process. More on that under. Since they don’t use propane, which means no want to purchase and change cylinders, and best of all, no maintenance problems with clogged traces or failure of the propane to mild-issues that trouble many different traps. You continue to must plug them in, so you’ll need an outdoor outlet and an extension cord if you'd like hold the entice greater than 7-10 ft from the outlet. The DT2000XL mannequin is dearer than the DT1000 mannequin, but it’s greater, with a stronger fan and vivid gentle, and may appeal to bugs from farther away, with protection as much as an acre for the DT2000XL and a half-acre for the DT1000, based on the manufacturer.

If you’ve positively decided not to purchase a propane mosquito entice, that is the next best thing. I’ll list the pros and cons of the two models together, as a result of they’re similar. Its initial price is cheaper than propane traps. It doesn’t require the trouble and expense of replacing propane tanks. It catches different bugs apart from mosquitoes, although that’s not always good if they’re beneficial ones. You need to use it indoors or outdoors. The only sound is the quiet humming of the fan and there’s no odor. It’s protected for pets, children and the surroundings, since it makes use of no insecticides. The big one: it doesn’t necessarily kill mosquitoes particularly, so you might get more moths or different issues instead. You’ll need to mount it about 5 to six toes off the ground. One mannequin, the DT1200, comes with its own hanger, but in any other case, it wants a tree department, put up, wall, mosquito zapper fence, and many others. to dangle or sit on.

If you employ it outdoors, it may need some rain shelter to forestall water from moving into the amassing space. It needs an outlet 7-10 feet away or an extension cord. It’s tough to empty without letting some bugs escape. The declare that it emits an efficient amount of CO2 has been questioned. Like all traps, it wants positioned in a good location, shady and sheltered, the place mosquitoes can find it, but not where you’ll be bothered by them. The lights in the highest of the trap emit warmth and ultraviolet rays, which attract mosquitoes as well as other insects, particularly moths at night. 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 under, where they’re unable to flee and die within a day. Unfortunately, gentle and warmth are simply two of the issues that attract mosquitoes, since what they’re mainly in search of are individuals to bite.

Carbon dioxide is what they really search, since we and other animals emit it once we exhale. Mosquitoes know that in the event that they observe that vapor path, there can be a tasty animal on the opposite end, ready to be bitten. To supply carbon dioxide, the Dynatrap makes use of a broad sort 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 method it makes use of, as a substitute of burning propane like other 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 need coated with a supply of carbon, like dust or useless bugs, to ensure that the method to make carbon dioxide. See the evaluation right here (scroll right down to Dr. Marsteller’s comment).

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Pub: 05 Nov 2025 00:41 UTC

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