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 for patio zapper (fwd) You need the elements for the steel you intend to use. Differing types have completely different losses. You receive 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, and then, he triggers the IR beam which controls the bug 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-approach point which energizes a small grid in every direction. The midpoint has a bit 2 inches long with no grid. They turn out to be trapped and cannot exit either route with out getting zapped. You would 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 might also cost a cap rectified with a 1/2 wave diode in a short time period. Then the charged cap waits for the fly. The charging cycle occurs every 5 minutes and is controlled by a 555 IC chip --- a small relay controls the power part. You set sugar crystals in the tube and at the tip of the tube use a small glass check tube so you can see your accumulated flies to adjust the time intervals. The flies will accumulate after which try to exit the charged grid part. The one we have uses a traditional 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 want a string of excessive-speed diodes.

Dynatrap makes insect traps that work on the same principle as others. They entice flying bugs with warmth and carbon dioxide, then catch them and stop them from escaping. For warmth, they use a fluorescent extremely-violet bulb, which also emits rechargeable bug zapper-attracting mild. The main 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, that means no want to buy and alter cylinders, and best of all, no maintenance problems with clogged lines or failure of the propane to mild-issues that bother many different traps. You still need to plug them in, so you’ll want an out of doors outlet and an extension cord if you need hold the lure more than 7-10 toes from the outlet. The DT2000XL mannequin is costlier than the DT1000 mannequin, but it’s bigger, with a stronger fan and shiny gentle, and might appeal to bugs from farther away, with protection up to an acre for the DT2000XL and a half-acre for the DT1000, based on the producer.

If you’ve positively decided not to purchase a propane backyard mosquito control lure, that is the subsequent neatest thing. I’ll record the pros and cons of the 2 fashions collectively, because they’re related. Its preliminary cost is cheaper than propane traps. It doesn’t require the problem and expense of changing propane tanks. It catches different bugs moreover mosquitoes, though that’s not at all times good if they’re helpful ones. You can use it indoors or outdoors. The one sound is the quiet humming of the fan and there’s no odor. It’s safe for pets, youngsters and the atmosphere, since it makes use of no insecticides. The large one: it doesn’t necessarily kill mosquitoes particularly, so it's possible you'll get extra moths or different things instead. You’ll need to mount it about 5 to six feet off the bottom. One mannequin, the DT1200, comes with its personal hanger, but in any other case, it wants a tree department, submit, wall, fence, etc. to grasp or sit on.

If you employ it outdoors, it may have some rain shelter to prevent water from getting into the accumulating space. It wants an outlet 7-10 toes away or an extension cord. It’s tricky to empty without letting some bugs escape. The declare that it emits an effective amount of CO2 has been questioned. Like all traps, it wants placed in a superb location, shady and sheltered, the place mosquitoes can find it, however not where you’ll be bothered by them. The lights in the top of the lure emit warmth and backyard mosquito control ultraviolet rays, which appeal to mosquitoes as well as different insects, particularly moths at night time. 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, the place they’re unable to flee and die inside a day. Unfortunately, gentle and warmth are simply two of the issues that entice mosquitoes, since what they’re mainly on the lookout for are folks to chew.

Carbon dioxide is what they actually search, since we and other animals emit it when we exhale. Mosquitoes know that in the event that they observe that vapor portable bug zapper trail, there shall be a tasty animal on the other end, ready to be bitten. To produce carbon dioxide, the Dynatrap uses a broad sort of funnel above the fan, coated with titanium dioxide (TiO2). The manufacturer claims that when the ultraviolet mild reacts with the TiO2, "a photocatalytic reaction takes place that produces carbon dioxide." This is the process it uses, instead 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 surface would want coated with a source of carbon, like dust or dead bugs, in order for the process to make carbon dioxide. See the evaluation right here (scroll all the way down to Dr. Marsteller’s comment).