臭氧知識
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一、臭氧的發生原理
臭(chou)氧(yang)(yang)(yang)(yang)是一種(zhong)強氧(yang)(yang)(yang)(yang)化(hua)劑,通過高壓電離(或電解,化(hua)學和光化(hua)學反應)而制(zhi)得,其產(chan)生(sheng)(sheng)過程是將空(kong)氣中的一部分(fen)氧(yang)(yang)(yang)(yang)氣分(fen)解成(cheng)(cheng)氧(yang)(yang)(yang)(yang)氣,該氧(yang)(yang)(yang)(yang)氣和氧(yang)(yang)(yang)(yang)氣分(fen)子(zi)聚(ju)集成(cheng)(cheng)臭(chou)氧(yang)(yang)(yang)(yang)。 臭(chou)氧(yang)(yang)(yang)(yang)非常不穩(wen)定,生(sheng)(sheng)產(chan)后會迅速(su)分(fen)解,因(yin)此只能立即使用。 產(chan)生(sheng)(sheng)臭(chou)氧(yang)(yang)(yang)(yang)的設(she)備稱為臭(chou)氧(yang)(yang)(yang)(yang)發(fa)(fa)生(sheng)(sheng)器(qi)。 根據(ju)臭(chou)氧(yang)(yang)(yang)(yang)產(chan)生(sheng)(sheng)方式的不同(tong),臭(chou)氧(yang)(yang)(yang)(yang)發(fa)(fa)生(sheng)(sheng)器(qi)主要分(fen)為三種(zhong):高壓放電式臭(chou)氧(yang)(yang)(yang)(yang)發(fa)(fa)生(sheng)(sheng)器(qi),電解式臭(chou)氧(yang)(yang)(yang)(yang)發(fa)(fa)生(sheng)(sheng)器(qi),紫外線輻(fu)射(she)式臭(chou)氧(yang)(yang)(yang)(yang)發(fa)(fa)生(sheng)(sheng)器(qi)。

二、小型臭氧發生(sheng)器的電路結(jie)構
小型臭氧發生器電路由三極管VT1,VT2和電感線圈L1-13,脈沖變壓器T,限流電阻器R1,充電電容器C3,雙向觸發二極管等組成,由過去的五個推挽振蕩電路組成; 濾波電感線圈L0,整流二極管VD1和濾波電容器C1,C2構成半波整流濾波電路。 接通電源,通過LO濾波器交流220V電壓,經VD1整流后,在C1兩端產生約十個280V電壓,提供推挽振蕩電路。 上電時,VT1已打開。 由于C3的充電作用,雙向觸發二極管VD5截止。相關閱讀:小型臭氧機多少錢一臺,要怎么選購?
當C3兩端的充(chong)電(dian)(dian)電(dian)(dian)壓(ya)(ya)上(shang)(shang)升(sheng)到32V時,VD5被觸發并接通(tong),從而使VT2接通(tong)。 在(zai)VT2導(dao)(dao)通(tong)期(qi)間,C3逐漸放電(dian)(dian),然后切斷VT2。 VTL導(dao)(dao)通(tong)后,在(zai)脈(mo)沖(chong)變(bian)壓(ya)(ya)器(qi)(qi)T的作(zuo)用(yong)下,L1和L2上(shang)(shang)產生(sheng)正反饋電(dian)(dian)壓(ya)(ya),并將該電(dian)(dian)壓(ya)(ya)分別加(jia)到VTL和VT2的基極上(shang)(shang),以(yi)便VTL和VT2交替導(dao)(dao)通(tong)和截止(zhi)(即VT2截止(zhi)) 當VTL導(dao)(dao)通(tong)時;當VT2接通(tong)時,VTL閉合),推(tui)挽振(zhen)(zhen)蕩(dang)(dang)電(dian)(dian)路振(zhen)(zhen)蕩(dang)(dang)。 推(tui)挽振(zhen)(zhen)蕩(dang)(dang)電(dian)(dian)路工作(zuo)后,在(zai)脈(mo)沖(chong)變(bian)壓(ya)(ya)器(qi)(qi)T的次級側產生(sheng)脈(mo)沖(chong)高壓(ya)(ya)繞組L6,臭(chou)氧中VG工作(zuo)產生(sheng)臭(chou)氧。
同時,發光二(er)極(ji)管(guan)VD7也(ye)點(dian)亮。選擇VTL和VT2作為組件。 2SC2653或(huo)BU406型(xing)(xing)硅NPN高反向(xiang)電(dian)(dian)壓(ya)三極(ji)管(guan)。需要電(dian)(dian)流放(fang)大系數βBBB 0 100。 VDL-VD4,VD6使(shi)(shi)用1個(ge)N4007型(xing)(xing)整流二(er)極(ji)管(guan); VD5使(shi)(shi)用DB3雙向(xiang)觸發二(er)極(ji)管(guan)。 R1-R6全(quan)部使(shi)(shi)用RJ-1 / 8W型(xing)(xing)金屬膜電(dian)(dian)阻器。 L0是5MH芯(xin)的(de)電(dian)(dian)感(gan)線(xian)(xian)(xian)圈,可用Φ0.25mm的(de)漆包(bao)線(xian)(xian)(xian)繞(rao)骨架(jia)繞(rao)210匝(za)(za); L1由纏繞(rao)在(zai)同一磁環上的(de)Φ0.2mm單芯(xin)塑(su)料(liao)銅線(xian)(xian)(xian)制成,其中(zhong)L1和L2分(fen)別纏繞(rao)3圈,L3纏繞(rao)9圈。脈沖變壓(ya)器T可以(yi)用14英(ying)寸(英(ying)寸)黑(hei)白電(dian)(dian)視線(xian)(xian)(xian)輸出變壓(ya)器進行修(xiu)改,用高壓(ya)封(feng)裝(zhuang)修(xiu)改為L6,在(zai)低壓(ya)封(feng)裝(zhuang)框(kuang)架(jia)中(zhong)用Φ0.45mm漆包(bao)線(xian)(xian)(xian)168匝(za)(za)作為L4,在(zai)周圍使(shi)(shi)用0.23mm漆包(bao)線(xian)(xian)(xian)L5繞(rao)4圈(在(zai)最(zui)外層纏繞(rao))。臭(chou)氧發生器VG使(shi)(shi)用Z 10或(huo)Z-15,Z-20型(xing)(xing)號(hao)。
除了臭氧(yang)發(fa)(fa)生器VG外,小型臭氧(yang)發(fa)(fa)生器的所有(you)電(dian)子(zi)組件(jian)都安(an)裝(zhuang)在(zai)自制的印刷電(dian)路(lu)板上(shang),然后(hou)將(jiang)其包裝(zhuang)到(dao)合(he)適(shi)尺(chi)寸的塑(su)料或木箱中(zhong)。通(tong)過在(zai)盒表面(mian)上(shang)開(kai)口(kou)固定發(fa)(fa)光二極管(VD7),并(bing)連(lian)接(jie)臭氧(yang)發(fa)(fa)生膜(VG)。只要正(zheng)確的組件(jian)和接(jie)線(xian)正(zheng)確,電(dian)就可以(yi)正(zheng)常工作。
下一篇:臭氧的作用有哪些

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