一、搖床培養箱工作原理是什么
搖床培養箱內部(bu)具有電(dian)(dian)(dian)(dian)(dian)容(rong)器和(he)電(dian)(dian)(dian)(dian)(dian)感器組成的LC回路(lu),通(tong)過這兩部(bu)分(fen)形(xing)成的電(dian)(dian)(dian)(dian)(dian)能(neng)場(chang)和(he)電(dian)(dian)(dian)(dian)(dian)磁場(chang)可以進行能(neng)量的相互交換,從而產生自(zi)由振蕩(dang),內部(bu)的正反饋(kui)放大電(dian)(dian)(dian)(dian)(dian)路(lu)可以維持(chi)電(dian)(dian)(dian)(dian)(dian)容(rong)器和(he)電(dian)(dian)(dian)(dian)(dian)感器的震蕩(dang)持(chi)續。
LC振蕩器(qi)內(nei)部具(ju)有(you)耦合式(shi)變(bian)壓器(qi)和三點式(shi)振蕩器(qi)、石英(ying)晶體振蕩器(qi),這三部分在(zai)通電之后的瞬(shun)間(jian)會(hui)發(fa)生(sheng)狀態(tai)的變(bian)化(hua),這個變(bian)化(hua)使(shi)得(de)正反饋作用越來越強烈,使(shi)得(de)內(nei)部達到暫穩(wen)(wen)狀態(tai),在(zai)持(chi)續暫穩(wen)(wen)狀態(tai)期(qi)間(jian)電容器(qi)充電后導通、狀態(tai)也發(fa)生(sheng)反轉,產生(sheng)出(chu)另外(wai)一(yi)種暫穩(wen)(wen)態(tai),在(zai)這幾(ji)者在(zai)暫穩(wen)(wen)態(tai)期(qi)間(jian),搖床培養箱振蕩一(yi)直(zhi)周而(er)復始的進(jin)行(xing)著。
搖(yao)床(chuang)培養箱作為內部(bu)溫(wen)(wen)度恒定機制的封閉式振蕩器,具有不銹鋼萬能夾具、數顯控溫(wen)(wen)、無線調速、熱循環等功能。因此(ci),搖(yao)床(chuang)培養箱的測溫(wen)(wen)儀器是其最關鍵(jian)的部(bu)分。
二、震蕩培養箱主要由什么組成
振蕩培養箱主要(yao)由下面幾(ji)個部分組成:
1、控制器:包(bao)括溫控(kong)板(ban)(ban)和振(zhen)蕩(dang)控(kong)制(zhi)(zhi)(zhi)板(ban)(ban)等(deng)。溫控(kong)板(ban)(ban)主要用于控(kong)制(zhi)(zhi)(zhi)箱內(nei)的溫度(du),而振(zhen)蕩(dang)控(kong)制(zhi)(zhi)(zhi)板(ban)(ban)則用于控(kong)制(zhi)(zhi)(zhi)振(zhen)蕩(dang)的頻率(lv)和幅度(du)等(deng)參數(shu)。
2、內膽:也稱為培(pei)養腔,是主要的(de)培(pei)養區域(yu)。內(nei)膽的(de)大小和材質不(bu)同(tong),根據實驗(yan)需求不(bu)同(tong)選(xuan)擇不(bu)同(tong)的(de)型號。
3、振蕩平臺:位于內膽中,振蕩平臺和控制器配合工作,通過控制振蕩的頻率和幅度,使培養箱中的樣品(pin)得到均勻的振蕩。
4、檢測儀器:用于監測溫(wen)度、濕度等參數,并將監測到的(de)數據(ju)反饋給控制器,以保(bao)證(zheng)培養箱內的(de)環境條(tiao)件穩定。