[Product] 消音螺絲 (Sound Absorbing Screw)
[2021.07.10. ]有鑒於隔音墻材料昂貴,瑞典馬爾默大學 (Malmö University)團隊開發了一款名爲消音螺絲 (Sound Absorbing Screw)的消音產品,該螺絲由螺紋、螺旋彈簧與平螺絲頭所組成,使用上與一般鎖固螺絲方法相同,彈簧會在混凝土和石膏板底部之間形成幾毫米的間隙,當來自相鄰住宅的聲波穿過牆壁碰觸消音螺絲時,螺釘中的彈簧會限制振動避免傳遞到牆中,因此可以降低傳至屋内的噪音,從實驗室測試結果看,使用消音螺絲可使噪音降低9分貝,約是使用一般螺絲感知聲音的一半。
# REFERENCE [] Screwing with sound waves, Malmo University, 20210707, https://mau.se/en/news/screwing_with_sound_waves/ [] [] A screw that can halve the level of perceived sound, Techxplore, 20210708, https://techxplore.com/news/2021-07-halve.html [] Spring-loaded screw could be a cheaper form of soundproofing, NewAtlas, 20210708, https://newatlas.com/good-thinking/spring-loaded-sound-screw-soundproofing/ [] The Revolutionary Sound Absorbing Screw, https://www.akoustos.se/ .................................................. |