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使(shi)用(yong)過超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)洗(xi)設備的人(ren)(ren),都(dou)知曉超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)洗(xi)器工(gong)作時會(hui)發出(chu)令人(ren)(ren)感覺(jue)不(bu)舒適(shi)的聲(sheng)(sheng)(sheng)響(xiang),這(zhe)(zhe)種聲(sheng)(sheng)(sheng)響(xiang)就是(shi)超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)洗(xi)高頻工(gong)作發出(chu)的,那人(ren)(ren)們心里(li)就會(hui)有(you)疑(yi)問,這(zhe)(zhe)樣(yang)的超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)設備有(you)輻(fu)射(she)嗎?其(qi)實這(zhe)(zhe)是(shi)不(bu)用(yong)擔心的,雖然絕大部分電子設備都(dou)或(huo)多或(huo)少有(you)輻(fu)射(she),超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清(qing)洗(xi)機也一樣(yang)有(you),但對人(ren)(ren)體的危(wei)害是(shi)微(wei)乎其(qi)微(wei)的,畢(bi)竟超(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)不(bu)同(tong)于微(wei)波(bo)(bo)(bo)爐的微(wei)波(bo)(bo)(bo)。
超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)傳輸是(shi)(shi)需要介質的(de)(de)(de)(de),這種(zhong)介質一般(ban)是(shi)(shi)水(shui),所以通常我們(men)(men)要在超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗(xi)(xi)機(ji)(ji)的(de)(de)(de)(de)機(ji)(ji)槽里(li)加水(shui)。超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗(xi)(xi)機(ji)(ji)是(shi)(shi)利用(yong)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)高頻(pin)振蕩對(dui)水(shui)分子作(zuo)用(yong)來運(yun)行的(de)(de)(de)(de),能(neng)量也(ye)被水(shui)所吸收,因此不(bu)會對(dui)人產(chan)(chan)(chan)生(sheng)什(shen)么(me)損害。之所以發出(chu)聲(sheng)(sheng)(sheng)音,這聲(sheng)(sheng)(sheng)音并不(bu)是(shi)(shi)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo),人是(shi)(shi)聽不(bu)到(dao)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)的(de)(de)(de)(de)。這還需要超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗(xi)(xi)機(ji)(ji)的(de)(de)(de)(de)原(yuan)理來解釋:當超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)作(zuo)用(yong)于液(ye)(ye)體中(zhong)(zhong)時(shi),液(ye)(ye)體中(zhong)(zhong)會產(chan)(chan)(chan)生(sheng)數以萬計個氣泡(pao),一直爆(bao)裂,從而(er)產(chan)(chan)(chan)生(sheng)能(neng)量極大的(de)(de)(de)(de)沖擊(ji)波(bo)(bo)(bo),相當于瞬間產(chan)(chan)(chan)生(sheng)了幾百度的(de)(de)(de)(de)高溫(wen)以及高達上千個大氣壓,這種(zhong)現(xian)象稱為“空化作(zuo)用(yong)”,超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)清洗(xi)(xi)利用(yong)液(ye)(ye)體中(zhong)(zhong)氣泡(pao)爆(bao)炸所產(chan)(chan)(chan)生(sheng)的(de)(de)(de)(de)沖擊(ji)波(bo)(bo)(bo)來達到(dao)沖刷(shua)和清洗(xi)(xi)工件(jian)隙縫(feng)內或外表。超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)會在液(ye)(ye)體中(zhong)(zhong)傳播,使(shi)液(ye)(ye)體與(yu)機(ji)(ji)槽在超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)頻(pin)率下(xia)一起振蕩,液(ye)(ye)體與(yu)清洗(xi)(xi)槽振動時(shi)都有各自的(de)(de)(de)(de)固有頻(pin)率,所以人們(men)(men)在使(shi)用(yong)超(chao)(chao)(chao)聲(sheng)(sheng)(sheng)波(bo)(bo)(bo)機(ji)(ji)器時(shi),會聽到(dao)這種(zhong)振蕩中(zhong)(zhong)產(chan)(chan)(chan)生(sheng)的(de)(de)(de)(de)“嘖(ze)嘖(ze)嘖(ze)”的(de)(de)(de)(de)聲(sheng)(sheng)(sheng)音。剛開始(shi)可能(neng)會聽不(bu)習慣,感覺(jue)不(bu)是(shi)(shi)很安心,但這是(shi)(shi)心理作(zuo)用(yong),實際上對(dui)人體并沒有什(shen)么(me)危害。
超聲波在空氣(qi)里傳播的(de)衰減率(lv)最(zui)大,所以超聲波對人(ren)體并不會有多(duo)大的(de)影響(xiang)。
如(ru)果非(fei)要(yao)說工業(ye)超聲波清洗機對人體有(you)傷害,那則是與人體的(de)接觸問題了。在清(qing)洗(xi)機(ji)工作(zuo)的(de)時(shi)間段中,要(yao)是不帶著手套就直接去接觸正(zheng)在工作(zuo)的(de)超聲水槽里(li)的(de)水,則會感受到微妙(miao)的(de)變化,會有(you)感覺不舒服。使用者應盡(jin)量避(bi)免直接把(ba)手放在正(zheng)在工作(zuo)的(de)水槽里(li)。如果一(yi)定要(yao)接觸,為(wei)了安(an)全起見應該帶上手套。若還是不太放心(xin)的(de)話,那建議在超聲波清(qing)洗(xi)機(ji)工作(zuo)時(shi),不要(yao)長時(shi)間呆在機(ji)子(zi)旁邊,也要(yao)盡(jin)量少接觸清(qing)洗(xi)劑。
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