- 期刊
家用電器低頻電磁場強度
The Intensity of Household Electronic Appliances with Low-frequency Electromagnetic Fields
摘要
在科學進步的時代，我們的生活中已經少不了電器用品，幾乎每個家庭裡，有電視、冰箱、電風扇、吹風機、微波爐、烤箱等家電用品。當使用這些電器時，電器周圍就會有較高的電磁波產生。雖然目前醫界對電磁波或其他游離波對人體健康影響的報告，至今仍未有定論，但也有研究和調查觀察結果表明，電磁輻射對健康的危害是多方面的。本研究針對般家庭中的一些家電用品分別測量距離電器3公分處、30公分處及100公分處的電磁波強度，結果顯示各電器用品磁場強度均有明顯的隨距離衰減。其中微波爐有最高的磁場值，其正面在距離3公分處有550 mG，側邊3公分處有2588 mG高的磁場強度，距離100公分處也還有3.7 mG的磁場強度。一般吹風機的磁場值沒有比超低電磁波吹風機的磁場高，一般的吹風機其周圍3公分處的磁場值介於39.2 mG到6.6 mG，超低電磁波吹風機周圍3公分處的磁場值介於50.4 mG到8.4 mG。傳統的電視螢幕磁場值高於液晶螢幕，傳統電視的螢幕正面距離3公分處磁場值為21.2 mG，液晶螢幕的磁場值，在其正面距離3公分處為2.8 mG。傳統的電腦螢幕磁場值也高於液晶螢幕，傳統電腦的螢幕正面距離3公分處磁場值為10.1 mG，電腦的液晶螢幕的磁場值，在其正面距離3公分處為0.6 mG。電器用品讓生活更便利，但也因而處處充斥著電磁波，雖然至今只有統計數字仍無實驗證實對人體是否會造成傷害，不過，為了健康著想，還是保持距離為宜。
並列摘要
In the era of scientific progress, it is almost impossible for human beings to live without the help of electronic appliances. Electronic appliances have becoming the necessities for most households, including television, refrigerator, electronic fan, hair dryer, microwave oven, oven etc. When operating these appliances, the surrounding areas around these ones will produce higher electromagnetic wave. Although medical experts' attitude towards research related the danger of electromagnetic wave or other radiation waves to human bodies remains uncertain, some of them state that a variety of research results indicate that electromagnetic wave is harmful to the health of human beings in multi-aspects. This study aims to explore the intensity of electromagnetic wave produced by household electronic appliances around their surrounding areas, and the ranges of testing distances include 3 cm, 30 cm and 100 cm. The results indicate that the intensity of magnetic field produced by appliances declines obviously with the increase of distance. First of all, a microwave oven generates the highest value of magnetic field since the fluctuation around the front and side of a microwave oven within 3 cm is 550 mG and 2588 mG respectively; moreover, we can still measure 3.7 mG magnetic field in a distance of 100 cm. Secondly, the magnetic field value of a traditional hair dryer is lower than that of a super low-frequency hair dryer. The value of the former measured within 3 cm is between 39.2 mG and 6.6 mG, whereas the value of the latter is between 50.4 mG and 8.4 mG. Thirdly, the value of a traditional TV screen is higher than that of a LCD TV screen. The value measured in front of the former within 3 cm is 21.2 mG, and the latter is 2.8 mG. Fourthly, the value of a traditional computer screen is also higher than that of a LCD computer screen. The value measured in front of the former within 3 cm is 10.1 mG, but the latter is only 0.6 mG. The invention of electronic appliances makes people's life more convenient, but our living circumstance is full of electromagnetic wave at the same time. Although contemporary research statistics yet prove whether electromagnetic wave is harmful to human bodies, it is better for us to keep distance from it for the sake of our health!