How does a Bug Zapper Work? > 자유게시판

A bug zapper, more formally called an electrical discharge insect control system, electric insect killer or (insect) electrocutor lure, is a device that attracts and kills flying insects which can be attracted by light. A mild supply attracts insects to an electrical grid, where they are electrocuted by touching two wires with a high voltage between them. The name comes from the characteristic onomatopoeic "Zap Zone Defender" sound produced when an insect is electrocuted. How Does a Bug Zapper Work? Inside Poundland's electric fly mosquito zapper bat. Do bug zappers actually work? Bug zappers are often housed in a protecting cage of plastic or grounded metal bars to stop individuals or mosquito zapper larger animals from touching the high voltage grid. A mild supply is fitted inside, often a fluorescent lamp designed to emit each seen and ultraviolet mild, which is visible to insects and attracts a wide range of them. Newer fashions now use long-life LEDs to produce the sunshine. The sunshine source is surrounded by a pair of interleaved naked wire grids or helices.

The gap between adjoining wires is often about 2 mm (0.079 in). A high-voltage energy provide powered by wall power is used, pest control which may be a simple transformerless voltage multiplier circuit made with diodes and capacitors which may generate a voltage of 2 kilovolts or extra. This is excessive sufficient to conduct by way of the body of an insect which bridges the 2 grids, but not excessive enough to spark across the air gap. Enough electric present flows by the small body of the insect to heat it to a high temperature. The impedance of the facility supply and the arrangement of the grid is such that it can not drive a harmful current by the body of a human. Many bug zappers are fitted with trays that accumulate the electrocuted insects; different models are designed to allow the debris to fall to the bottom under. Some use a fan to assist to lure the insect.

Bug zapper traps could also be put in indoors, or outdoors if they're constructed to withstand the consequences of weather. A examine by the University of Delaware showed that over a period of 15 summer nights, 13,789 insects had been killed among six gadgets. Of these insects killed, solely 31 have been biting insects. Mosquitoes are drawn to carbon dioxide and mosquito zapper water vapor in the breath of mammals, not ultraviolet mild. However, mosquito zapper there are now bug zappers that emit carbon dioxide or use an external bait, comparable to octenol, Zap Zone Defender to raised attract biting insects into the lure. Research has proven that when insects are electrocuted, bug zappers can spread a mist containing insect components up to about 2 metres (6 toes 7 inches) from the device. The air around the bug zapper can change into contaminated by micro organism and viruses that can be inhaled by, or settle on the meals of individuals in the quick neighborhood. The US Food and Drug Administration (FDA) advises that the bug zapper should not be installed above a food preparation area, pest control and that insects should be retained inside the device.

Scatter-proof designs are produced for this purpose. Battery-powered bug zappers are manufactured, Zap Zone Defender usually in the form of a tennis racket, with which flying insects might be hit. Low-cost variations could use an ordinary disposable battery, while rechargeable bug zappers may use a lithium-ion battery. In its October 1911 subject, Popular Mechanics magazine had a chunk showing a mannequin "fly trap" that used all the weather of a modern bug zapper, including electric gentle and electrified grid. The design was applied by two unnamed Denver males and was conceded to be too expensive to be of practical use. The device was 10 by 15 inches (25 by 38 cm), contained 5 incandescent light 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 had been alleged to bait the interior 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 on the University of California, had been working on large business insect traps for over 20 years for the protection of California's important fruit industry. In 1934 he introduced the electronic insect killer that turned the model for all future bug zappers. Anthony, Darrell W. (1960). "Tabanidae Interested in an Ultraviolet Light Trap". The Florida Entomologist. Forty three (2): 77-80. doi:10.2307/3492383. Insect Vision: Ultraviolet, Color, and LED LightMarianne Shockley Cruz Ph.D. Freudenrich, Craig (eleven July 2001). "Bug Zappers". Horticulture and mosquito zapper 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., mosquito zapper ed. October 1911). "An electric death trap for the fly".