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

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To: High Voltage listing Subject: Re: Switch-mode supply for bug zapper (fwd) You want the components for the steel you intend to make use of. Differing types have different losses. You acquire this from the mfgr. Digi-Key has some inexpensive IR type emitters & detectors. Have the fly crawl a distance, like 4-6 inches contained in the tube, after which, he triggers the IR beam which controls the zapper. A small single ended NST works great for this utility. The current will burn them proper up. The fly hits the IR beam at the 1/2 mid-manner level which energizes a small grid in each path. The midpoint has a piece 2 inches lengthy with no grid. They turn into trapped and can't exit either route without getting zapped. You could possibly also use a 600 Ohm to 10K audio xmfr. They make nice HV sparks operating 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 while interval. Then the charged cap waits for the fly. The charging cycle happens every 5 minutes and is controlled by a 555 IC chip --- a small relay controls the power part. You put sugar crystals within the tube and at the top of the tube use a small glass test tube so you may see your accumulated flies to adjust the time periods. The flies will accumulate and then try to exit the charged grid section. The one now we have makes use of a traditional laminated iron, 50Hz transformer. I'd like, mosquito killer so I'm looking at making a switchmode model. 2) Ditto for sizing the parts for the snubber. HV rectification and that I'd want a string of excessive-speed 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 prevent them from escaping. For camping mosquito killer warmth, they use a fluorescent ultra-violet bulb, which also emits indoor bug zapper-attracting gentle. The main difference is that they don’t use propane to create carbon dioxide (CO2). Instead, they use a particular 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 upkeep issues with clogged traces or failure of the propane to light-points that bother many different traps. You continue to must plug them in, so you’ll want an outdoor outlet and an extension cord if you need hold the entice more than 7-10 toes from the outlet. The DT2000XL model is more expensive than the DT1000 model, outdoor bug zapper but it’s greater, with a stronger fan and vivid mild, and can appeal to bugs from farther away, with protection as much as an acre for the DT2000XL and a half-acre for the DT1000, in response to the manufacturer.

If you’ve undoubtedly determined not to buy a propane camping mosquito killer entice, that is the following neatest thing. I’ll checklist the professionals and cons of the 2 models together, as a result of they’re related. Its initial price is cheaper than propane traps. It doesn’t require the hassle and expense of replacing propane tanks. It catches other bugs apart from mosquitoes, although that’s not always good if they’re helpful ones. You should use it indoors or outdoors. The only sound is the quiet humming of the fan and there’s no odor. It’s secure for pets, kids and the setting, since it uses no insecticides. The massive one: it doesn’t necessarily kill mosquitoes particularly, so you might get extra moths or different things instead. You’ll must mount it about 5 to 6 ft off the bottom. One model, the DT1200, comes with its own hanger, however otherwise, it needs a tree department, submit, wall, fence, and so forth. to hold or sit on.

If you utilize it outdoors, it may have some rain shelter to forestall water from entering into the accumulating space. It wants an outlet 7-10 ft away or camping mosquito killer an extension cord. It’s difficult to empty without letting some bugs escape. The declare that it emits an effective quantity of CO2 has been questioned. Like all traps, it needs positioned in a good location, shady and sheltered, the place mosquitoes can discover it, however not where you’ll be bothered by them. The lights in the top of the trap emit warmth and ultraviolet rays, which attract mosquitoes in addition to different insects, particularly moths at night. There are openings below the lights where 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 inside a day. Unfortunately, gentle and warmth are simply two of the things that entice mosquitoes, since what they’re mainly on the lookout for are people to chunk.

Carbon dioxide is what they actually seek, since we and other animals emit it after we exhale. Mosquitoes know that if they follow that vapor path, there can be a tasty animal on the opposite finish, ready to be bitten. To produce carbon dioxide, the Dynatrap makes use of a broad sort of funnel above the fan, coated with titanium dioxide (TiO2). The manufacturer claims that when the ultraviolet gentle reacts with the TiO2, "a photocatalytic response takes place that produces carbon dioxide." This is the process it uses, as an alternative of burning propane like other traps. However, when the University of Wisconsin tried to measure the amount 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 dust or useless bugs, to ensure that the method to make carbon dioxide. See the review right here (scroll down to Dr. Marsteller’s remark).