How does a Bug Zapper Work? > 자유게시판

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

A bug zapper, more formally known as an electrical discharge insect control system, Zap Zone Defender electric insect killer or (insect) electrocutor entice, is a gadget that attracts and kills flying insects which might be attracted by mild. A mild supply attracts insects to an electrical grid, where they're electrocuted by touching two wires with a high voltage between them. The identify comes from the characteristic onomatopoeic "zap" sound produced when an insect is electrocuted. How Does a Bug Zapper Work? Inside Poundland's electric fly zapper bat. Do bug zappers actually work? Bug zappers are usually housed in a protecting cage of plastic or grounded steel bars to forestall people or bigger animals from touching the excessive voltage grid. A gentle source is fitted inside, often a fluorescent lamp designed to emit both seen and ultraviolet light, which is seen to insects and attracts a variety of them. Newer fashions now use long-life LEDs to supply the sunshine. The sunshine supply is surrounded by a pair of interleaved naked wire grids or helices.

The gap between adjacent wires is often about 2 mm (0.079 in). A excessive-voltage energy provide powered by wall energy is used, mosquito zapper which may be a easy transformerless voltage multiplier circuit made with diodes and capacitors which can generate a voltage of 2 kilovolts or extra. That is high sufficient to conduct via the physique of an insect which bridges the two grids, however not high enough to spark across the air hole. Enough electric current flows through the small physique of the insect to heat it to a excessive temperature. The impedance of the facility supply and the association of the grid is such that it cannot drive a harmful current by the physique of a human. Many bug zappers are fitted with trays that gather the electrocuted insects; other fashions are designed to permit the debris to fall to the bottom under. Some use a fan to assist to entice the insect.

Bug zapper traps could also be installed indoors, or outdoors if they are constructed to withstand the results of weather. A study by the University of Delaware confirmed that over a interval of 15 summer nights, 13,789 insects have been killed among six gadgets. Of these insects killed, solely 31 were biting insects. Mosquitoes are drawn to carbon dioxide and water vapor in the breath of mammals, not ultraviolet mild. However, there at the moment are bug zappers that emit carbon dioxide or use an external bait, reminiscent of octenol, to higher appeal to biting insects into the lure. Research has proven that when insects are electrocuted, bug zappers can spread a mist containing insect parts as much as about 2 metres (6 ft 7 inches) from the device. The air across the bug zapper can grow to be contaminated by bacteria and viruses that may be inhaled by, or settle on the food of individuals in the immediate vicinity. The US Food and Drug Administration (FDA) advises that the bug zapper should not be put in above a food preparation space, and that insects should be retained within the machine.

Scatter-proof designs are produced for this function. Battery-powered bug zappers are manufactured, typically within the form of a tennis racket, with which flying insects may be hit. Low-cost versions might use a standard disposable battery, whereas rechargeable bug zappers could use a lithium-ion battery. In its October 1911 situation, Popular Mechanics magazine had a piece exhibiting a model "fly entice" that used all the elements of a modern bug mosquito zapper, together with electric mild and electrified grid. The design was applied by two unnamed Denver males and was conceded to be too costly to be of sensible use. The system was 10 by 15 inches (25 by 38 cm), contained 5 incandescent mild bulbs, and the grid was 1⁄16-inch (1.59 mm) wires spaced 1⁄8-inch (3.17 mm) apart with a voltage of 450 volts. Users were presupposed to bait the inside with meat. Based on the US Patent and Trademark Office, the primary bug zapper was patented in 1932 by William M. Frost.

Separately, William Brodbeck Herms (1876-1949), a professor of parasitology at the University of California, had been working on large industrial insect traps for over 20 years for the safety of California's vital fruit trade. In 1934 he introduced the electronic insect killer that became the mannequin for all future bug zappers. Anthony, Darrell W. (1960). "Tabanidae Attracted to an Ultraviolet Light Trap". The Florida Entomologist. Forty three (2): Zap Zone Defender 77-80. doi:10.2307/3492383. Insect Vision: mosquito zapper Ultraviolet, mosquito zapper Color, and LED LightMarianne Shockley Cruz Ph.D. Freudenrich, Craig (11 July 2001). "Bug Zappers". Horticulture and Home Pest News. IC-475 (15). Iowa State University. Density and Diversity of Nontarget Insects Killed by Suburban Electric Insect Traps"". Urban, James E.; Alberto Broce (October 2000). "Electrocution of House Flies in Bug Zappers Releases Bacteria and Viruses". FDA Food Code 2009: Annex 3. U.S. Food and Drug Administration. Does Electrifying Mosquitoes Protect People From Disease? Windsor, H. H., ed. October 1911). "An electric loss of life trap for the fly".