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

• 목록
• 답변
• 글쓰기
• 게시판 리스트 옵션
  • 수정
  • 삭제

To: High Voltage checklist Subject: Re: Switch-mode provide for bug zapper (fwd) You want the elements for the steel you intend to use. Different types have completely different losses. You receive this from the mfgr. Digi-Key has some inexpensive IR kind 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 proper up. The fly hits the IR beam on the 1/2 mid-method level which energizes a small grid in each path. The midpoint has a section 2 inches lengthy with no grid. They turn into trapped and cannot exit either course with out getting zapped. You possibly can additionally use a 600 Ohm to 10K audio xmfr. They make nice HV sparks working in a pulsed mode. If the time duration is brief, like 1-2 sec, they could additionally cost a cap rectified with a 1/2 wave diode in a short while period. Then the charged cap waits for the fly. The charging cycle occurs every 5 minutes and is managed by a 555 IC chip --- a small relay controls the facility section. You set sugar crystals within the tube and at the end of the tube use a small glass take a look at tube so you can see your accumulated flies to adjust the time intervals. The flies will accumulate and then attempt to exit the charged grid section. The one now we have makes use of a conventional laminated iron, Zap Zone Defender 50Hz transformer. I'd like, so I'm looking at making a switchmode version. 2) Ditto for sizing the components for the snubber. HV rectification and that I'd need a string of high-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 stop them from escaping. For warmth, Zap Zone Defender they use a fluorescent ultra-violet bulb, which additionally emits bug-attracting light. 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 below. Since they don’t use propane, that means no want to buy and alter cylinders, and better of all, no upkeep issues with clogged lines or failure of the propane to mild-points that bother many other traps. You continue to must plug them in, so you’ll want an outdoor outlet and an extension cord if you want hang the lure greater than 7-10 ft from the outlet. The DT2000XL model is costlier than the DT1000 mannequin, Zap Zone Defender however it’s greater, with a stronger fan and shiny mild, and can appeal to bugs from farther away, with coverage as much as an acre for the DT2000XL and a half-acre for the DT1000, based on the manufacturer.

If you’ve undoubtedly determined not to buy a propane mosquito entice, this is the subsequent neatest thing. I’ll record the professionals and cons of the two fashions together, because they’re comparable. Its preliminary cost is cheaper than propane traps. It doesn’t require the trouble and Zap Zone Defender expense of replacing propane tanks. It catches other bugs in addition to mosquitoes, though that’s not at all times good if they’re beneficial ones. You should utilize it indoors or outdoors. The one sound is the quiet humming of the fan and there’s no odor. It’s safe for Zap Zone Defender pets, kids and the environment, because it uses no insecticides. The big one: it doesn’t necessarily kill mosquitoes specifically, so you might get extra moths or other things as a substitute. You’ll need to mount it about 5 to six feet off the bottom. One model, the DT1200, comes with its personal hanger, but in any other case, it needs a tree branch, publish, wall, fence, etc. to dangle or sit on.

If you employ it outdoors, it may need some rain shelter to prevent water from moving into the collecting space. It wants an outlet 7-10 feet away or an extension cord. It’s difficult 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, shady and sheltered, where mosquitoes can discover it, but not the place you’ll be bothered by them. The lights in the highest of the lure emit warmth and ultraviolet rays, which appeal to mosquitoes in addition to different insects, notably moths at evening. There are openings below 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 escape and die inside a day. Unfortunately, light and warmth are simply two of the things that entice mosquitoes, since what they’re mainly on the lookout for are individuals to chew.

Carbon dioxide is what they really search, since we and different animals emit it when we exhale. Mosquitoes know that in the event that they observe that vapor trail, there will be a tasty animal on the other finish, ready to be bitten. To produce carbon dioxide, the Dynatrap uses a broad kind of funnel above the fan, Zap Zone Defender coated with titanium dioxide (TiO2). The producer claims that when the ultraviolet light reacts with the TiO2, "a photocatalytic response takes place that produces carbon dioxide." That is the process it makes use of, instead of burning propane like different 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 identified that the TiO2 floor would need coated with a source of carbon, like mud or useless bugs, to ensure that the method to make carbon dioxide. See the evaluate here (scroll down to Dr. Marsteller’s comment).