利用高壓電離(或化學、光化學反應)，使空氣中的部分氧氣分解聚合為臭氧，是氧的同素異形轉變過程;亦可利用電解水法獲得。臭氧的不穩定性使其很難實現瓶裝貯存 ，一般只能利用臭氧發生器現(xian)場生(sheng)產，隨(sui)(sui)產隨(sui)(sui)用。 臭(chou)氧(yang)發(fa)生(sheng)器的(de)分類 按臭(chou)氧(yang)產生(sheng)的(de)方式(shi)(shi)(shi)劃分，臭(chou)氧(yang)發(fa)生(sheng)器主要有(you)三種：一是高壓(ya)放電式(shi)(shi)(shi)，二是紫外線照射式(shi)(shi)(shi)，三是電解(jie)式(shi)(shi)(shi)。

電路

臭(chou)氧發(fa)(fa)生(sheng)(sheng)器(qi)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)由三(san)極管(guan)(guan)VT1、VT2與(yu)電(dian)(dian)(dian)(dian)(dian)感線圈L1一13、脈沖(chong)(chong)變(bian)(bian)壓(ya)(ya)器(qi)T、限流電(dian)(dian)(dian)(dian)(dian)阻器(qi)R1、充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)容器(qi)C3,雙向觸(chu)發(fa)(fa)二極管(guan)(guan)叨5等(deng)組(zu)成推挽振(zhen)蕩(dang)(dang)(dang)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)；濾(lv)波電(dian)(dian)(dian)(dian)(dian)感線圈L0,整(zheng)流二極管(guan)(guan)VD1與(yu)濾(lv)波電(dian)(dian)(dian)(dian)(dian)容器(qi)C1、C2等(deng)組(zu)成半(ban)波整(zheng)流濾(lv)波電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。 接通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)源，交流220V電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)經LO濾(lv)波，VD1整(zheng)流后，在(zai)C1兩端(duan)產(chan)生(sheng)(sheng)十280V左右的(de)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，供給推挽振(zhen)蕩(dang)(dang)(dang)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。 在(zai)開機瞬(shun)間，VT1導(dao)(dao)(dao)(dao)通(tong)(tong)。由于C3的(de)充(chong)電(dian)(dian)(dian)(dian)(dian)作(zuo)用(yong)，雙向觸(chu)發(fa)(fa)二極管(guan)(guan)VD5截(jie)止(zhi)(zhi)。當C3兩端(duan)的(de)充(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)升至32V時(shi)(shi)，VD5被(bei)觸(chu)發(fa)(fa)而導(dao)(dao)(dao)(dao)通(tong)(tong)，使(shi)VT2導(dao)(dao)(dao)(dao)通(tong)(tong)。在(zai)VT2導(dao)(dao)(dao)(dao)通(tong)(tong)期間，C3逐漸放電(dian)(dian)(dian)(dian)(dian)，又使(shi)VT2截(jie)止(zhi)(zhi)。VTl導(dao)(dao)(dao)(dao)通(tong)(tong)后，在(zai)脈沖(chong)(chong)變(bian)(bian)壓(ya)(ya)器(qi)T的(de)作(zuo)用(yong)下，L1、L2上產(chan)生(sheng)(sheng)正反饋(kui)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，此電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)分別(bie)加(jia)至VTl和(he)VT2的(de)基極，使(shi)VTl和(he)VT2交替導(dao)(dao)(dao)(dao)通(tong)(tong)與(yu)截(jie)止(zhi)(zhi)（即VTl導(dao)(dao)(dao)(dao)通(tong)(tong)時(shi)(shi)，VT2截(jie)止(zhi)(zhi)；VT2導(dao)(dao)(dao)(dao)通(tong)(tong)時(shi)(shi)，VTl截(jie)止(zhi)(zhi)），推挽振(zhen)蕩(dang)(dang)(dang)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)振(zhen)蕩(dang)(dang)(dang)工(gong)作(zuo)。 推挽振(zhen)蕩(dang)(dang)(dang)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)工(gong)作(zuo)后，在(zai)脈沖(chong)(chong)變(bian)(bian)壓(ya)(ya)器(qi)T的(de)二次(ci)側繞(rao)組(zu)L6上產(chan)生(sheng)(sheng)脈沖(chong)(chong)高壓(ya)(ya)，使(shi)臭(chou)氧發(fa)(fa)生(sheng)(sheng)片VG工(gong)作(zuo)，產(chan)生(sheng)(sheng)臭(chou)氧。

同時，發光二(er)(er)(er)極(ji)(ji)管(guan)VD7也點亮(liang)工(gong)作(zuo)。 元器(qi)(qi)件(jian)選擇(ze) VTl、VT2選用(yong)(yong)(yong)2SC2653或(huo)BU406型(xing)硅(gui)NPN高反壓(ya)(ya)三極(ji)(ji)管(guan)。要求電(dian)(dian)(dian)流放大(da)系數β>100。 VDl一(yi)VD4、VD6選用(yong)(yong)(yong)1 N4007型(xing)整流二(er)(er)(er)極(ji)(ji)管(guan)；VD5選用(yong)(yong)(yong)DB3型(xing)雙(shuang)向觸發二(er)(er)(er)極(ji)(ji)管(guan)。 R1一(yi)R6全部選用(yong)(yong)(yong)RJ一(yi)1/8W型(xing)金屬膜電(dian)(dian)(dian)阻器(qi)(qi)。 L0為(wei)(wei)5mH的(de)磁心(xin)(xin)電(dian)(dian)(dian)感線(xian)(xian)圈(quan)，可用(yong)(yong)(yong)Φ0.25mm的(de)漆(qi)包(bao)(bao)(bao)線(xian)(xian)在(zai)骨架(jia)上繞(rao)210匝(za)；L1一(yi)璐用(yong)(yong)(yong)Φ0.2mm的(de)單心(xin)(xin)塑銅線(xian)(xian)在(zai)同一(yi)磁環上繞(rao)制(zhi)而成(cheng)，其中L1、L2分別繞(rao)3匝(za)，L3繞(rao)9匝(za)。脈沖變壓(ya)(ya)器(qi)(qi)T可使(shi)用(yong)(yong)(yong)14in（英寸）黑白電(dian)(dian)(dian)視機行輸出(chu)變壓(ya)(ya)器(qi)(qi)改制(zhi)，改制(zhi)時用(yong)(yong)(yong)高壓(ya)(ya)包(bao)(bao)(bao)作(zuo)為(wei)(wei)L6，在(zai)低壓(ya)(ya)包(bao)(bao)(bao)骨架(jia)上用(yong)(yong)(yong)Φ0.45mm的(de)漆(qi)包(bao)(bao)(bao)線(xian)(xian)繞(rao)168匝(za)作(zuo)為(wei)(wei)L4，用(yong)(yong)(yong)Φ0.23mm的(de)漆(qi)包(bao)(bao)(bao)線(xian)(xian)繞(rao)4匝(za)作(zuo)為(wei)(wei)L5（在(zai)最外層繞(rao)制(zhi)）。 臭氧發生(sheng)片VG選用(yong)(yong)(yong)Z二(er)(er)(er)10或(huo)Z一(yi)15、Z一(yi)20等型(xing)號(hao)。 制(zhi)作(zuo)與調試 除臭氧發生(sheng)片VG外所有(you)電(dian)(dian)(dian)子元器(qi)(qi)件(jian)安裝在(zai)一(yi)塊(kuai)自制(zhi)的(de)印制(zhi)電(dian)(dian)(dian)路(lu)板(ban)上，并將(jiang)其裝人(ren)大(da)小合適的(de)塑料或(huo)木制(zhi)盒(he)內。在(zai)盒(he)面(mian)開孔固定(ding)發光二(er)(er)(er)極(ji)(ji)管(guan)VD7，接上臭氧發生(sheng)片VG，只要元器(qi)(qi)件(jian)良好(hao)、接線(xian)(xian)無誤，通電(dian)(dian)(dian)即能(neng)正常工(gong)作(zuo)。

發生器與放電管

臭(chou)氧系統的(de)(de)(de)核心(xin)技術(shu)和設(she)備(bei)是發生器中的(de)(de)(de)放電管，直接(jie)影響設(she)備(bei)的(de)(de)(de)運(yun)行(xing)(xing)效率(lv)和可(ke)靠(kao)(kao)性(xing)。臭(chou)氧發生器采用微間隙介質(zhi)阻擋放電設(she)計，不(bu)僅(jin)大大提(ti)高(gao)了(le)運(yun)行(xing)(xing)的(de)(de)(de)效率(lv)，而且增(zeng)加了(le)系統連續運(yun)行(xing)(xing)的(de)(de)(de)安全可(ke)靠(kao)(kao)性(xing)。設(she)備(bei)的(de)(de)(de)技術(shu)參數已經達到國際先進水平。

由(you)于采用微(wei)間隙放電技(ji)術，使(shi)系統運(yun)行電壓(ya)降低(di)為6-8 kV，遠低(di)于玻璃管絕緣介(jie)(jie)質(zhi)的耐(nai)壓(ya)水平(ping)，有效地避免(mian)了(le)介(jie)(jie)質(zhi)擊穿短路故障(zhang)的發生，提高了(le)運(yun)行可(ke)靠性。

臭氧發(fa)生器放(fang)電(dian)單(dan)元(yuan)所(suo)采用的模塊化設計方法，使設備的安裝，檢修和維(wei)護(hu)工作更加容易。在(zai)保證(zheng)進氣氣源質(zhi)量(liang)的條件下(xia)，臭氧發(fa)生器放(fang)電(dian)單(dan)元(yuan)連續運行的免(mian)維(wei)護(hu)時間可以長達5年。

高頻高壓電源

與傳統的(de)(de)臭(chou)(chou)氧中頻 (<1kHz) 電(dian)(dian)(dian)源不同，高(gao)(gao)(gao)(gao)(gao)頻高(gao)(gao)(gao)(gao)(gao)壓(ya)臭(chou)(chou)氧系(xi)統采用(yong)3-6kHz的(de)(de)高(gao)(gao)(gao)(gao)(gao)頻電(dian)(dian)(dian)源技(ji)術(shu)，結合微(wei)放電(dian)(dian)(dian)間隙(xi)設(she)計可以(yi)有效提高(gao)(gao)(gao)(gao)(gao)臭(chou)(chou)氧生(sheng)成的(de)(de)效率，減小(xiao)發生(sheng)器的(de)(de)體積和占地空(kong)間，從而減少土建設(she)計及(ji)投資費用(yong)。逆變電(dian)(dian)(dian)源系(xi)統采用(yong)成熟(shu)的(de)(de)高(gao)(gao)(gao)(gao)(gao)頻電(dian)(dian)(dian)源技(ji)術(shu)，現(xian)場長期(qi)(qi)運行(xing)證(zheng)明可以(yi)保證(zheng)系(xi)統長期(qi)(qi)運行(xing)的(de)(de)穩定(ding)性(xing)。高(gao)(gao)(gao)(gao)(gao)頻輸出(chu)經(jing)升壓(ya)系(xi)統后產生(sheng)正弦(xian)波高(gao)(gao)(gao)(gao)(gao)電(dian)(dian)(dian)壓(ya)，經(jing)電(dian)(dian)(dian)纜與發生(sheng)器相連，在高(gao)(gao)(gao)(gao)(gao)頻高(gao)(gao)(gao)(gao)(gao)壓(ya)的(de)(de)作用(yong)下，放電(dian)(dian)(dian)間隙(xi)產生(sheng)冷態等(deng)離子體放電(dian)(dian)(dian)生(sheng)成臭(chou)(chou)氧。