其工作原理是通過溫(wen)度(du)傳感器對環境溫(wen)度(du)自動進行采樣、即時(shi)監(jian)控(kong)(kong),當(dang)環境溫(wen)度(du)高(gao)于控(kong)(kong)制(zhi)設(she)(she)定(ding)值時(shi)控(kong)(kong)制(zhi)電路啟動,可以設(she)(she)置控(kong)(kong)制(zhi)回差。如溫(wen)度(du)還在(zai)升,當(dang)升到(dao)設(she)(she)定(ding)的(de)(de)超(chao)限(xian)報(bao)警溫(wen)度(du)點時(shi),啟動超(chao)限(xian)報(bao)警功能。當(dang)被控(kong)(kong)制(zhi)的(de)(de)溫(wen)度(du)不能得到(dao)有效(xiao)的(de)(de)控(kong)(kong)制(zhi)時(shi),為了防止(zhi)設(she)(she)備的(de)(de)毀壞還可以通過跳閘的(de)(de)功能來停止(zhi)設(she)(she)備繼續(xu)運(yun)行。主要(yao)應用于電力部門使(shi)用的(de)(de)各種高(gao)低(di)壓(ya)開關柜(ju)、干式變(bian)壓(ya)器、箱(xiang)式變(bian)電站及其他相關的(de)(de)溫(wen)度(du)使(shi)用領域。
仔細看溫控器上的(de)三個(ge)腳(jiao),它(ta)們(men)都有用英文字(zi)(zi)母和數字(zi)(zi)兩(liang)種(zhong)方法來代(dai)替(ti),分別是(shi):H(6)、L(3)、C(4)。
H(6)接棕(zong)色線,是(shi)電源的火線;
L(3)接灰色線,是燈的(de)火線;
C(4)接(jie)白色線,是壓縮機的火線。
控制方法(fa)一般分(fen)為兩(liang)種(zhong);一種(zhong)是由被(bei)冷卻對象的溫(wen)度變化(hua)來進行控制,多采用(yong)蒸氣壓(ya)力式(shi)(shi)溫(wen)度控制器,另一種(zhong)由被(bei)冷卻對象的溫(wen)差變化(hua)來進行控制,多采用(yong)電子式(shi)(shi)溫(wen)度控制器。
其采用的(de)模糊控(kong)制(zhi)(zhi)技術(shu)如(ru)PID控(kong)制(zhi)(zhi),P(Proportional)比例(li)+I(Integral)積(ji)分+D(Differential)微(wei)分控(kong)制(zhi)(zhi)。
雙(shuang)(shuang)金(jin)(jin)(jin)屬(shu)片突跳式溫(wen)控(kong)器(qi)是(shi)一種將定溫(wen)后的(de)雙(shuang)(shuang)金(jin)(jin)(jin)屬(shu)片作(zuo)(zuo)為熱(re)敏感(gan)反(fan)應組件,當(dang)產品主件溫(wen)度(du)升高(gao)時所產生的(de)熱(re)量傳遞到(dao)雙(shuang)(shuang)金(jin)(jin)(jin)屬(shu)圓片上,達(da)到(dao)動(dong)作(zuo)(zuo)溫(wen)度(du)設定時迅速動(dong)作(zuo)(zuo),通過機構作(zuo)(zuo)用(yong)是(shi)觸(chu)點斷(duan)開或閉合;當(dang)溫(wen)度(du)下降(jiang)到(dao)復(fu)位(wei)溫(wen)度(du)設定時,雙(shuang)(shuang)金(jin)(jin)(jin)屬(shu)片迅速回復(fu)原狀(zhuang),使觸(chu)點閉合或斷(duan)開,達(da)到(dao)接通或斷(duan)開電路(lu)的(de)目的(de),從而控(kong)制電路(lu)。
各(ge)種突跳式溫(wen)(wen)控器(qi)(qi)(qi)的(de)型號統稱KSD,常見的(de)如KSD301,KSD302等,該(gai)溫(wen)(wen)控器(qi)(qi)(qi)是雙(shuang)金屬片(pian)溫(wen)(wen)控器(qi)(qi)(qi)的(de)新型產品(pin),主要作為(wei)各(ge)種電(dian)熱(re)產品(pin)具過熱(re)保護(hu)時,通常與(yu)熱(re)熔(rong)(rong)斷(duan)器(qi)(qi)(qi)串(chuan)接(jie)使用,突跳式溫(wen)(wen)控器(qi)(qi)(qi)作為(wei)一級保護(hu)。熱(re)熔(rong)(rong)斷(duan)器(qi)(qi)(qi)則在突跳式溫(wen)(wen)控器(qi)(qi)(qi)失(shi)婁或失(shi)效(xiao)導致(zhi)電(dian)熱(re)元件超溫(wen)(wen)時,作為(wei)二級保護(hu)自(zi),有效(xiao)地(di)防止燒壞(huai)電(dian)熱(re)元件以(yi)及由此而引(yin)起的(de)火(huo)災(zai)事故。
是(shi)當(dang)被控制(zhi)對象的(de)溫(wen)(wen)度(du)發(fa)生(sheng)變化時使溫(wen)(wen)控器(qi)(qi)感溫(wen)(wen)部內的(de)物質(一(yi)般是(shi)液(ye)體(ti))產生(sheng)相應的(de)熱(re)脹冷縮(suo)的(de)物理現象(體(ti)積變化),與感溫(wen)(wen)部連(lian)通(tong)一(yi)起的(de)膜盒產生(sheng)膨脹或收(shou)縮(suo)。以杠桿原理,帶動開關通(tong)斷動作,達(da)到恒溫(wen)(wen)目的(de)液(ye)脹式溫(wen)(wen)控器(qi)(qi)具有(you)控溫(wen)(wen)準確,穩定可靠,開停溫(wen)(wen)差小,控制(zhi)溫(wen)(wen)控調節范圍大(da),過載電流大(da)等性能特點。液(ye)漲式溫(wen)(wen)控器(qi)(qi)主要(yao)用(yong)于家電行(xing)業,電熱(re)設備,制(zhi)冷行(xing)業等溫(wen)(wen)度(du)控制(zhi)場(chang)合用(yong)。
該溫(wen)控(kong)(kong)(kong)器(qi)通(tong)過(guo)密閉(bi)(bi)的內充感溫(wen)工(gong)質(zhi)的溫(wen)包和毛細管,把被(bei)控(kong)(kong)(kong)溫(wen)度的變(bian)化轉變(bian)為空間壓(ya)力或(huo)容積的變(bian)化,達到溫(wen)度設定值時,通(tong)過(guo)彈性(xing)元件和快速(su)瞬動(dong)(dong)(dong)機構,自(zi)動(dong)(dong)(dong)關閉(bi)(bi)觸頭,以達到自(zi)動(dong)(dong)(dong)控(kong)(kong)(kong)制(zhi)溫(wen)度的目的。它由感溫(wen)部、溫(wen)度設定主(zhu)體部、執行開閉(bi)(bi)的微動(dong)(dong)(dong)開關或(huo)自(zi)動(dong)(dong)(dong)風門等三(san)部分組成(cheng)。壓(ya)力式(shi)溫(wen)控(kong)(kong)(kong)器(qi)適(shi)用(yong)于制(zhi)冷器(qi)具(如電冰(bing)(bing)箱冰(bing)(bing)柜等)和制(zhi)熱器(qi)等場合。
電(dian)(dian)子式溫度控制器(qi)(qi)(電(dian)(dian)阻(zu)式)是采(cai)用電(dian)(dian)阻(zu)感溫的(de)方法來(lai)測量的(de),一(yi)般(ban)采(cai)用白金絲、銅絲、鎢絲以及熱敏電(dian)(dian)阻(zu)等作為測溫電(dian)(dian)阻(zu),這些(xie)電(dian)(dian)阻(zu)各(ge)有其優確點。一(yi)般(ban)家用空(kong)調大(da)都使(shi)用熱敏電(dian)(dian)阻(zu)式。電(dian)(dian)子式溫度控制器(qi)(qi)具有穩定,體積小(xiao)的(de)優點,在越(yue)來(lai)越(yue)多的(de)領(ling)域中得到(dao)使(shi)用。
數字(zi)電(dian)(dian)子式溫(wen)度(du)控(kong)制(zhi)(zhi)器(qi)是(shi)一(yi)種精確的溫(wen)度(du)檢(jian)測(ce)(ce)控(kong)制(zhi)(zhi)器(qi),可以對溫(wen)度(du)進行(xing)數字(zi)量化控(kong)制(zhi)(zhi)。溫(wen)控(kong)器(qi)一(yi)般采用NTC熱(re)(re)敏傳感(gan)器(qi)或(huo)者熱(re)(re)電(dian)(dian)偶作為(wei)溫(wen)度(du)檢(jian)測(ce)(ce)元件(jian),它的原理是(shi):將NTC熱(re)(re)敏傳感(gan)器(qi)或(huo)者熱(re)(re)電(dian)(dian)偶設計到相(xiang)(xiang)應電(dian)(dian)路中,NTC熱(re)(re)敏傳感(gan)器(qi)或(huo)者熱(re)(re)電(dian)(dian)偶隨溫(wen)度(du)變(bian)化而改變(bian),就(jiu)會產生相(xiang)(xiang)應的電(dian)(dian)壓電(dian)(dian)流(liu)改變(bian),再通過微控(kong)制(zhi)(zhi)器(qi)對改變(bian)的電(dian)(dian)壓電(dian)(dian)流(liu)進行(xing)檢(jian)測(ce)(ce)、量化顯(xian)示出來,并做相(xiang)(xiang)應的控(kong)制(zhi)(zhi)。數字(zi)溫(wen)度(du)控(kong)制(zhi)(zhi)器(qi)具有精確度(du)高、靈(ling)敏度(du)好、直觀、操作方(fang)便等特點。
在(zai)歐洲(zhou)絕大多情況是(shi)溫(wen)(wen)控器(qi)是(shi)壁(bi)掛爐(lu)(lu)必(bi)配件,兩者一(yi)(yi)配一(yi)(yi)的(de)同時(shi)交付(fu)用(yong)戶的(de),而(er)且配備(bei)的(de)溫(wen)(wen)控器(qi)大多是(shi)智能型溫(wen)(wen)控器(qi)。而(er)在(zai)國內,已安裝在(zai)運行(xing)和正在(zai)安裝調試準備(bei)投入使用(yong)的(de)壁(bi)掛爐(lu)(lu)近95%的(de)沒有先(xian)行(xing)配備(bei)任何(he)形式(shi)的(de)簡易(yi)或智能型的(de)溫(wen)(wen)控器(qi)。而(er)房間(jian)采(cai)(cai)暖系(xi)統(tong)中(zhong)配備(bei)溫(wen)(wen)控器(qi)尤其是(shi)智能溫(wen)(wen)控器(qi),是(shi)節(jie)能采(cai)(cai)暖綜合(he)體系(xi)中(zhong)一(yi)(yi)個極為突出(chu)的(de)最重(zhong)要(yao)的(de)環節(jie)。
方便:每天自動定時(shi)提前或延后(hou)開(kai)關調節壁掛爐,免(mian)去人工操作,對上班(ban)族家庭(ting)最有必要(yao);
舒(shu)適:每天早午晚夜各時段室溫(wen)自動高低調(diao)整,免去早晨起床和下(xia)班回家后等待房間升(sheng)溫(wen)而挨凍的尷(gan)尬;
省氣:改(gai)落后粗放(fang)的水溫控(kong)制(zhi)為先(xian)進準確的室溫控(kong)制(zhi),加上分時段定(ding)室溫按需(xu)運行,不用敞開(kai)的晝夜燒氣采暖;
放心:室溫過(guo)低時強制啟動壁(bi)掛爐,僅需極少的(de)(de)燃氣,便可安全的(de)(de)進(jin)行(xing)居(ju)室防凍保護。
溫(wen)(wen)(wen)控(kong)(kong)(kong)器被廣泛的(de)(de)使用(yong)于各種家(jia)(jia)電(dian)產品(pin)當中(zhong)(zhong),如電(dian)冰(bing)箱(xiang)、飲水(shui)機(ji)、熱水(shui)器、咖啡壺等。溫(wen)(wen)(wen)控(kong)(kong)(kong)器的(de)(de)質量直接影(ying)響(xiang)到整機(ji)的(de)(de)安全、性能、壽(shou)(shou)命(ming),是(shi)(shi)非常關鍵的(de)(de)一(yi)個元件(jian)。在溫(wen)(wen)(wen)控(kong)(kong)(kong)器的(de)(de)眾多技術(shu)指標當中(zhong)(zhong),壽(shou)(shou)命(ming)是(shi)(shi)衡量溫(wen)(wen)(wen)控(kong)(kong)(kong)器產品(pin)最重要的(de)(de)技術(shu)指標之一(yi)。家(jia)(jia)電(dian)標準規定,溫(wen)(wen)(wen)控(kong)(kong)(kong)器的(de)(de)壽(shou)(shou)命(ming)至少為(wei)10000次(ci),部分家(jia)(jia)電(dian),如電(dian)冰(bing)箱(xiang)產品(pin)當中(zhong)(zhong)控(kong)(kong)(kong)制(zhi)電(dian)動機(ji)-壓縮(suo)機(ji)的(de)(de)溫(wen)(wen)(wen)控(kong)(kong)(kong)器,充液式散熱器中(zhong)(zhong)的(de)(de)一(yi)些溫(wen)(wen)(wen)控(kong)(kong)(kong)器壽(shou)(shou)命(ming)要求至少為(wei)100000次(ci)。家(jia)(jia)用(yong)溫(wen)(wen)(wen)控(kong)(kong)(kong)器對(dui)應的(de)(de)標準GB14536.10-2008/IEC60730-2-9:2004對(dui)溫(wen)(wen)(wen)控(kong)(kong)(kong)器的(de)(de)壽(shou)(shou)命(ming)試驗做了(le)詳(xiang)細的(de)(de)規定。