溫控閥(fa)總體可分(fen)為：自力式溫控閥(fa)和電動溫控閥(fa) 自力式溫控閥(fa)
自(zi)(zi)力式(shi)溫(wen)(wen)控(kong)閥(fa)(fa)(fa)(fa)(fa)(fa) 自(zi)(zi)力式(shi)溫(wen)(wen)控(kong)閥(fa)(fa)(fa)(fa)(fa)(fa) 自(zi)(zi)力式(shi)溫(wen)(wen)控(kong)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)樣(yang)圖(tu) 自(zi)(zi)力式(shi)溫(wen)(wen)控(kong)閥(fa)(fa)(fa)(fa)(fa)(fa)的(de)樣(yang)圖(tu) 自(zi)(zi)力式(shi)溫(wen)(wen)度(du)調(diao)(diao)節閥(fa)(fa)(fa)(fa)(fa)(fa)利用(yong)液(ye)(ye)(ye)體受熱(re)(re)膨(peng)(peng)脹(zhang)及液(ye)(ye)(ye)體不可(ke)壓縮的(de)原理實現(xian)自(zi)(zi)動調(diao)(diao)節。溫(wen)(wen)度(du)傳感(gan)器內(nei)的(de)液(ye)(ye)(ye)體膨(peng)(peng)脹(zhang)是均勻的(de)，其控(kong)制作用(yong)為(wei)比例調(diao)(diao)節。被(bei)控(kong)介(jie)質(zhi)溫(wen)(wen)度(du)變化時，傳感(gan)器內(nei)的(de)感(gan)溫(wen)(wen)液(ye)(ye)(ye)體體積隨(sui)著膨(peng)(peng)脹(zhang)或收(shou)縮。被(bei)控(kong)介(jie)質(zhi)溫(wen)(wen)度(du)高于(yu)設定值(zhi)時，感(gan)溫(wen)(wen)液(ye)(ye)(ye)體膨(peng)(peng)脹(zhang)，推(tui)動閥(fa)(fa)(fa)(fa)(fa)(fa)芯向下(xia)關閉(bi)閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)，減少熱(re)(re)媒的(de)流量(liang)；被(bei)控(kong)介(jie)質(zhi)的(de)溫(wen)(wen)度(du)低于(yu)設定值(zhi)時，感(gan)溫(wen)(wen)液(ye)(ye)(ye)體收(shou)縮，復位彈(dan)簧推(tui)動閥(fa)(fa)(fa)(fa)(fa)(fa)芯開啟(qi)，增加熱(re)(re)媒的(de)流量(liang)。
電(dian)動(dong)(dong)(dong)(dong)溫控(kong)(kong)閥(fa)(fa) 電(dian)動(dong)(dong)(dong)(dong)溫控(kong)(kong)閥(fa)(fa)的(de)系統組成(cheng)圖(tu) 電(dian)動(dong)(dong)(dong)(dong)溫控(kong)(kong)閥(fa)(fa)的(de)系統組成(cheng)圖(tu) 電(dian)動(dong)(dong)(dong)(dong)溫控(kong)(kong)閥(fa)(fa)是在(zai)暖(nuan)通空調(diao)等溫度(du)控(kong)(kong)制(zhi)領域的(de)典(dian)型應用。控(kong)(kong)制(zhi)器具有(you)PI、PID調(diao)節功(gong)能，控(kong)(kong)制(zhi)精確，多回路控(kong)(kong)制(zhi)，功(gong)能多樣，可(ke)實現(xian)流(liu)體流(liu)量(liang)、壓力(li)、壓差、溫度(du)、濕度(du)、焓值和空氣(qi)質(zhi)量(liang)的(de)控(kong)(kong)制(zhi)。執(zhi)行器有(you)電(dian)動(dong)(dong)(dong)(dong)機(ji)械式和電(dian)動(dong)(dong)(dong)(dong)液壓式，帶(dai)有(you)手動(dong)(dong)(dong)(dong)和自動(dong)(dong)(dong)(dong)調(diao)節功(gong)能，調(diao)節靈敏，關斷力(li)大，流(liu)量(liang)特性(xing)可(ke)調(diao)（線(xian)性(xing)等百分(fen)比）。電(dian)動(dong)(dong)(dong)(dong)液壓式執(zhi)行器帶(dai)斷電(dian)自動(dong)(dong)(dong)(dong)復(fu)位(wei)(wei)保護(hu)功(gong)能，可(ke)接收 0-10V或4-20MA的(de)信(xin)號(hao)并帶(dai)有(you)閥(fa)(fa)位(wei)(wei)反(fan)饋功(gong)能。閥(fa)(fa)體為流(liu)量(liang)調(diao)節閥(fa)(fa)，適用于循環(huan)管路冷(leng)凍(dong)水、低壓熱水、生活熱水、高壓熱水、海水、熱油、和蒸汽的(de)調(diao)節線(xian)性(xing)好，可(ke)調(diao)比大，密(mi)(mi)封(feng)嚴密(mi)(mi)，耐(nai)高溫，防(fang)汽蝕(shi) |
