超聲(sheng)(sheng)波(bo)(bo)發生(sheng)(sheng)器(qi)(qi),又稱超聲(sheng)(sheng)波(bo)(bo)驅動(dong)電(dian)源、電(dian)子箱(xiang)、超聲(sheng)(sheng)波(bo)(bo)控制器(qi)(qi),是大(da)功(gong)(gong)(gong)率(lv)(lv)(lv)超聲(sheng)(sheng)系統的(de)重要組(zu)成(cheng)(cheng)部分。超聲(sheng)(sheng)波(bo)(bo)發生(sheng)(sheng)器(qi)(qi)作用(yong)是把(ba)市電(dian)轉換(huan)(huan)成(cheng)(cheng)與超聲(sheng)(sheng)波(bo)(bo)換(huan)(huan)能器(qi)(qi)相匹配的(de)高頻(pin)交流電(dian)信號,驅動(dong)超聲(sheng)(sheng)波(bo)(bo)換(huan)(huan)能器(qi)(qi)工作。那么超聲(sheng)(sheng)波(bo)(bo)發生(sheng)(sheng)器(qi)(qi)具(ju)有哪些特點呢?有以(yi)(yi)下(xia)特點: 一(yi)、隨著清(qing)洗(xi)(xi)液深度不(bu)同,換(huan)(huan)能器(qi)(qi)共振頻(pin)率(lv)(lv)(lv)和(he)阻抗變(bian)化很大(da)。但(dan)是實踐(jian)表明,槽(cao)內放進適(shi)量 清(qing)洗(xi)(xi)物后,基(ji)本上(shang)就可(ke)以(yi)(yi)穩定在某(mou)一(yi)定數值上(shang)。 二、一(yi)般來(lai)說(shuo),由(you)于清(qing)洗(xi)(xi)負載(zai)變(bian)動(dong)較(jiao)小,可(ke)以(yi)(yi)不(bu)要求復雜的(de)頻(pin)率(lv)(lv)(lv)自(zi)動(dong)跟蹤電(dian)路。 三、實用(yong)超聲(sheng)(sheng)波(bo)(bo)發生(sheng)(sheng)器(qi)(qi),大(da)多數采用(yong)大(da)功(gong)(gong)(gong)率(lv)(lv)(lv)自(zi)激(ji)式(shi)(shi)反饋振蕩器(qi)(qi)。 超聲(sheng)(sheng)波(bo)(bo)清(qing)洗(xi)(xi)機用(yong)的(de)超聲(sheng)(sheng)波(bo)(bo)發生(sheng)(sheng)器(qi)(qi),從(cong)使(shi)用(yong)的(de)元器(qi)(qi)件種類可(ke)以(yi)(yi)分電(dian)子管(guan)式(shi)(shi)的(de),可(ke)控硅式(shi)(shi)的(de)和(he)晶(jing)體管(guan)式(shi)(shi)的(de)。近幾(ji)年來(lai)已經發展(zhan)到用(yong)大(da)功(gong)(gong)(gong)率(lv)(lv)(lv)“功(gong)(gong)(gong)率(lv)(lv)(lv)模塊”的(de)方式(shi)(shi)。其(qi)輸出 功(gong)(gong)(gong)率(lv)(lv)(lv)從(cong)幾(ji)十瓦(wa)直到幾(ji)千瓦(wa),工作頻(pin)率(lv)(lv)(lv)從(cong)15kHz-40kHz。
發(fa)布時(shi)間(jian):
2019
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09
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21
瀏覽次數(shu):316