其(qi)工作原(yuan)理(li)是通(tong)過(guo)溫(wen)(wen)(wen)度(du)(du)(du)傳感器對(dui)環境溫(wen)(wen)(wen)度(du)(du)(du)自(zi)動(dong)進行(xing)采樣、即時監控(kong)(kong)(kong),當環境溫(wen)(wen)(wen)度(du)(du)(du)高(gao)于控(kong)(kong)(kong)制(zhi)設(she)(she)定(ding)值時控(kong)(kong)(kong)制(zhi)電路啟動(dong),可(ke)以設(she)(she)置控(kong)(kong)(kong)制(zhi)回差。如溫(wen)(wen)(wen)度(du)(du)(du)還在升,當升到(dao)設(she)(she)定(ding)的(de)(de)超限(xian)報(bao)警(jing)溫(wen)(wen)(wen)度(du)(du)(du)點時,啟動(dong)超限(xian)報(bao)警(jing)功(gong)能。當被控(kong)(kong)(kong)制(zhi)的(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)不能得到(dao)有效(xiao)的(de)(de)控(kong)(kong)(kong)制(zhi)時,為了防止(zhi)設(she)(she)備的(de)(de)毀壞(huai)還可(ke)以通(tong)過(guo)跳閘(zha)的(de)(de)功(gong)能來(lai)停止(zhi)設(she)(she)備繼續運行(xing)。主要(yao)應用于電力部門使用的(de)(de)各(ge)種高(gao)低壓(ya)開(kai)關(guan)柜(ju)、干式(shi)變(bian)壓(ya)器、箱式(shi)變(bian)電站(zhan)及其(qi)他(ta)相關(guan)的(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)使用領域(yu)。
仔細看溫控器上的三個腳,它們都(dou)有用英文字(zi)母和數(shu)字(zi)兩種方法來代替,分別(bie)是:H(6)、L(3)、C(4)。
H(6)接棕色線,是電源的火線;
L(3)接灰色線,是(shi)燈的(de)火線;
C(4)接白(bai)色線,是壓(ya)縮機(ji)的火線。
控(kong)(kong)制(zhi)(zhi)方法(fa)一般分為兩種;一種是由被冷卻(que)對(dui)象(xiang)的溫度(du)變(bian)化來進(jin)行控(kong)(kong)制(zhi)(zhi),多(duo)(duo)采用(yong)(yong)蒸氣壓力式溫度(du)控(kong)(kong)制(zhi)(zhi)器(qi),另一種由被冷卻(que)對(dui)象(xiang)的溫差變(bian)化來進(jin)行控(kong)(kong)制(zhi)(zhi),多(duo)(duo)采用(yong)(yong)電(dian)子式溫度(du)控(kong)(kong)制(zhi)(zhi)器(qi)。
其(qi)采用的模(mo)糊控(kong)(kong)制技術如PID控(kong)(kong)制,P(Proportional)比例+I(Integral)積分+D(Differential)微分控(kong)(kong)制。
雙(shuang)金(jin)屬(shu)(shu)片突(tu)跳式(shi)溫(wen)控器是一(yi)種將定(ding)(ding)溫(wen)后的雙(shuang)金(jin)屬(shu)(shu)片作為熱敏感反(fan)應(ying)組件(jian),當(dang)產品(pin)主(zhu)件(jian)溫(wen)度(du)升(sheng)高時(shi)(shi)(shi)所產生的熱量傳(chuan)遞到(dao)雙(shuang)金(jin)屬(shu)(shu)圓片上,達到(dao)動作溫(wen)度(du)設(she)定(ding)(ding)時(shi)(shi)(shi)迅速動作,通過(guo)機構作用是觸(chu)點(dian)斷開或(huo)閉(bi)(bi)合(he);當(dang)溫(wen)度(du)下(xia)降到(dao)復位溫(wen)度(du)設(she)定(ding)(ding)時(shi)(shi)(shi),雙(shuang)金(jin)屬(shu)(shu)片迅速回復原狀,使觸(chu)點(dian)閉(bi)(bi)合(he)或(huo)斷開,達到(dao)接通或(huo)斷開電(dian)(dian)路的目的,從(cong)而控制電(dian)(dian)路。
各種突跳(tiao)式溫(wen)控(kong)器的型(xing)號統稱KSD,常見的如(ru)KSD301,KSD302等,該溫(wen)控(kong)器是雙金屬片(pian)溫(wen)控(kong)器的新(xin)型(xing)產品(pin),主要作(zuo)為各種電(dian)熱(re)產品(pin)具過熱(re)保護時(shi),通(tong)常與熱(re)熔(rong)斷(duan)器串接使用,突跳(tiao)式溫(wen)控(kong)器作(zuo)為一(yi)級(ji)(ji)保護。熱(re)熔(rong)斷(duan)器則在突跳(tiao)式溫(wen)控(kong)器失婁或失效導(dao)致電(dian)熱(re)元(yuan)(yuan)件(jian)超溫(wen)時(shi),作(zuo)為二級(ji)(ji)保護自,有(you)效地防止燒壞電(dian)熱(re)元(yuan)(yuan)件(jian)以及由此而引起的火災(zai)事故。
是(shi)當被控(kong)制(zhi)對象的溫(wen)(wen)度發生變化(hua)(hua)時使(shi)溫(wen)(wen)控(kong)器(qi)感溫(wen)(wen)部內的物質(一(yi)般是(shi)液體(ti))產生相應的熱(re)脹冷縮(suo)的物理(li)現象(體(ti)積變化(hua)(hua)),與感溫(wen)(wen)部連通(tong)一(yi)起的膜盒產生膨脹或(huo)收(shou)縮(suo)。以杠桿原理(li),帶動開關(guan)通(tong)斷動作,達(da)到恒溫(wen)(wen)目的液脹式(shi)溫(wen)(wen)控(kong)器(qi)具有(you)控(kong)溫(wen)(wen)準確,穩定可靠,開停溫(wen)(wen)差(cha)小,控(kong)制(zhi)溫(wen)(wen)控(kong)調節范(fan)圍(wei)大(da),過載電流大(da)等(deng)性(xing)能特點。液漲式(shi)溫(wen)(wen)控(kong)器(qi)主要(yao)用于家電行(xing)業,電熱(re)設(she)備(bei),制(zhi)冷行(xing)業等(deng)溫(wen)(wen)度控(kong)制(zhi)場(chang)合用。
該溫(wen)控器通(tong)(tong)過密閉的(de)內充感(gan)溫(wen)工質的(de)溫(wen)包和毛細(xi)管,把被控溫(wen)度的(de)變化轉(zhuan)變為空間壓力或容積的(de)變化,達到(dao)溫(wen)度設定值(zhi)時,通(tong)(tong)過彈性元件和快速瞬(shun)動(dong)(dong)機構(gou),自動(dong)(dong)關閉觸頭,以達到(dao)自動(dong)(dong)控制溫(wen)度的(de)目的(de)。它由感(gan)溫(wen)部、溫(wen)度設定主體(ti)部、執行開(kai)閉的(de)微動(dong)(dong)開(kai)關或自動(dong)(dong)風(feng)門(men)等(deng)三(san)部分組成。壓力式溫(wen)控器適用于制冷器具(如電(dian)冰箱冰柜等(deng))和制熱器等(deng)場合。
電(dian)(dian)子式(shi)(shi)溫度控制器(電(dian)(dian)阻(zu)式(shi)(shi))是(shi)采用(yong)電(dian)(dian)阻(zu)感溫的方法來(lai)測(ce)量(liang)的,一(yi)般采用(yong)白金絲(si)、銅絲(si)、鎢絲(si)以(yi)及(ji)熱(re)敏電(dian)(dian)阻(zu)等(deng)作為測(ce)溫電(dian)(dian)阻(zu),這些電(dian)(dian)阻(zu)各(ge)有其優確(que)點(dian)。一(yi)般家用(yong)空調(diao)大都使(shi)用(yong)熱(re)敏電(dian)(dian)阻(zu)式(shi)(shi)。電(dian)(dian)子式(shi)(shi)溫度控制器具有穩定,體積小的優點(dian),在越(yue)來(lai)越(yue)多的領域中得到使(shi)用(yong)。
數(shu)(shu)字(zi)電(dian)(dian)(dian)子式溫(wen)度(du)控(kong)制器(qi)(qi)(qi)(qi)是(shi)一種(zhong)精確的溫(wen)度(du)檢測控(kong)制器(qi)(qi)(qi)(qi),可(ke)以對溫(wen)度(du)進行(xing)數(shu)(shu)字(zi)量(liang)化控(kong)制。溫(wen)控(kong)器(qi)(qi)(qi)(qi)一般采用NTC熱敏傳(chuan)感器(qi)(qi)(qi)(qi)或(huo)者熱電(dian)(dian)(dian)偶(ou)作為溫(wen)度(du)檢測元(yuan)件,它的原理是(shi):將NTC熱敏傳(chuan)感器(qi)(qi)(qi)(qi)或(huo)者熱電(dian)(dian)(dian)偶(ou)設計(ji)到相(xiang)(xiang)應(ying)(ying)電(dian)(dian)(dian)路中,NTC熱敏傳(chuan)感器(qi)(qi)(qi)(qi)或(huo)者熱電(dian)(dian)(dian)偶(ou)隨(sui)溫(wen)度(du)變(bian)(bian)化而改(gai)變(bian)(bian),就會產生相(xiang)(xiang)應(ying)(ying)的電(dian)(dian)(dian)壓電(dian)(dian)(dian)流改(gai)變(bian)(bian),再(zai)通過微控(kong)制器(qi)(qi)(qi)(qi)對改(gai)變(bian)(bian)的電(dian)(dian)(dian)壓電(dian)(dian)(dian)流進行(xing)檢測、量(liang)化顯示出來,并(bing)做相(xiang)(xiang)應(ying)(ying)的控(kong)制。數(shu)(shu)字(zi)溫(wen)度(du)控(kong)制器(qi)(qi)(qi)(qi)具有精確度(du)高、靈(ling)敏度(du)好、直(zhi)觀、操作方便等特點。
在(zai)歐洲絕大多(duo)情況是(shi)溫(wen)(wen)控(kong)(kong)器(qi)是(shi)壁(bi)掛(gua)爐必(bi)配件,兩者一(yi)配一(yi)的(de)(de)同(tong)時交付用(yong)戶的(de)(de),而(er)且配備的(de)(de)溫(wen)(wen)控(kong)(kong)器(qi)大多(duo)是(shi)智(zhi)能(neng)型溫(wen)(wen)控(kong)(kong)器(qi)。而(er)在(zai)國內,已(yi)安裝在(zai)運行和正在(zai)安裝調試準備投入使用(yong)的(de)(de)壁(bi)掛(gua)爐近95%的(de)(de)沒有先行配備任何形(xing)式的(de)(de)簡易或智(zhi)能(neng)型的(de)(de)溫(wen)(wen)控(kong)(kong)器(qi)。而(er)房間采暖系統中(zhong)配備溫(wen)(wen)控(kong)(kong)器(qi)尤(you)其是(shi)智(zhi)能(neng)溫(wen)(wen)控(kong)(kong)器(qi),是(shi)節能(neng)采暖綜合體系中(zhong)一(yi)個極為突(tu)出的(de)(de)最重要的(de)(de)環節。
方便:每(mei)天自動定時提前或延(yan)后開(kai)關調節壁掛爐(lu),免(mian)去人工操作,對上班族家庭最(zui)有必要;
舒適(shi):每天早(zao)午晚夜各(ge)時段室溫(wen)自動高低調整,免去(qu)早(zao)晨起床和下班回家后等待房(fang)間升溫(wen)而挨凍(dong)的尷(gan)尬;
省氣:改落后粗放(fang)的(de)(de)水溫(wen)控(kong)制為先進準確的(de)(de)室(shi)溫(wen)控(kong)制,加上分(fen)時段定室(shi)溫(wen)按需運(yun)行,不(bu)用敞(chang)開(kai)的(de)(de)晝夜(ye)燒氣采暖;
放心(xin):室溫過(guo)低(di)時強制啟動壁掛爐(lu),僅需極(ji)少(shao)的(de)燃氣(qi),便可安(an)全的(de)進行(xing)居室防(fang)凍保護。
溫(wen)(wen)控器(qi)(qi)(qi)(qi)被(bei)廣(guang)泛的(de)(de)(de)使用于(yu)各種(zhong)家電產(chan)品當中,如電冰箱、飲水機(ji)、熱(re)(re)水器(qi)(qi)(qi)(qi)、咖(ka)啡(fei)壺(hu)等。溫(wen)(wen)控器(qi)(qi)(qi)(qi)的(de)(de)(de)質量(liang)直(zhi)接影(ying)響到整機(ji)的(de)(de)(de)安全、性(xing)能、壽命,是非(fei)常關鍵的(de)(de)(de)一(yi)個元件。在溫(wen)(wen)控器(qi)(qi)(qi)(qi)的(de)(de)(de)眾多技(ji)術(shu)指標(biao)當中,壽命是衡量(liang)溫(wen)(wen)控器(qi)(qi)(qi)(qi)產(chan)品最(zui)重要的(de)(de)(de)技(ji)術(shu)指標(biao)之(zhi)一(yi)。家電標(biao)準規定,溫(wen)(wen)控器(qi)(qi)(qi)(qi)的(de)(de)(de)壽命至(zhi)少為10000次,部分家電,如電冰箱產(chan)品當中控制電動(dong)機(ji)-壓縮機(ji)的(de)(de)(de)溫(wen)(wen)控器(qi)(qi)(qi)(qi),充液式散熱(re)(re)器(qi)(qi)(qi)(qi)中的(de)(de)(de)一(yi)些溫(wen)(wen)控器(qi)(qi)(qi)(qi)壽命要求至(zhi)少為100000次。家用溫(wen)(wen)控器(qi)(qi)(qi)(qi)對應的(de)(de)(de)標(biao)準GB14536.10-2008/IEC60730-2-9:2004對溫(wen)(wen)控器(qi)(qi)(qi)(qi)的(de)(de)(de)壽命試驗做了詳細的(de)(de)(de)規定。