其工作原理(li)是(shi)通過(guo)溫(wen)(wen)度(du)(du)(du)(du)傳感器(qi)對環境溫(wen)(wen)度(du)(du)(du)(du)自動進(jin)行(xing)采(cai)樣、即(ji)時(shi)監控(kong)(kong),當環境溫(wen)(wen)度(du)(du)(du)(du)高于控(kong)(kong)制(zhi)設定值時(shi)控(kong)(kong)制(zhi)電路(lu)啟(qi)動,可(ke)以設置控(kong)(kong)制(zhi)回差。如溫(wen)(wen)度(du)(du)(du)(du)還在(zai)升,當升到設定的(de)超限報警溫(wen)(wen)度(du)(du)(du)(du)點時(shi),啟(qi)動超限報警功能。當被控(kong)(kong)制(zhi)的(de)溫(wen)(wen)度(du)(du)(du)(du)不能得到有效的(de)控(kong)(kong)制(zhi)時(shi),為(wei)了(le)防止設備(bei)的(de)毀(hui)壞(huai)還可(ke)以通過(guo)跳閘的(de)功能來停止設備(bei)繼續運行(xing)。主要應用(yong)于電力部門使用(yong)的(de)各種高低壓開關(guan)(guan)柜、干(gan)式變壓器(qi)、箱式變電站及其他相關(guan)(guan)的(de)溫(wen)(wen)度(du)(du)(du)(du)使用(yong)領域。
仔(zi)細看溫(wen)控器上(shang)的三個腳,它們都有(you)用英文字母和(he)數字兩種方法來代替,分別是:H(6)、L(3)、C(4)。
H(6)接棕色線,是(shi)電源的火(huo)線;
L(3)接灰色線,是(shi)燈的火線;
C(4)接白色(se)線,是(shi)壓縮(suo)機的火線。
控(kong)制(zhi)方法一般(ban)分為(wei)兩種;一種是(shi)由(you)被冷(leng)卻對象(xiang)的溫(wen)(wen)度(du)變化來(lai)進行(xing)控(kong)制(zhi),多(duo)采用蒸氣壓(ya)力式溫(wen)(wen)度(du)控(kong)制(zhi)器,另一種由(you)被冷(leng)卻對象(xiang)的溫(wen)(wen)差(cha)變化來(lai)進行(xing)控(kong)制(zhi),多(duo)采用電子式溫(wen)(wen)度(du)控(kong)制(zhi)器。
其采(cai)用的模(mo)糊控(kong)(kong)制(zhi)(zhi)技術如PID控(kong)(kong)制(zhi)(zhi),P(Proportional)比例(li)+I(Integral)積分+D(Differential)微分控(kong)(kong)制(zhi)(zhi)。
雙金屬(shu)(shu)片(pian)(pian)突跳(tiao)式溫(wen)(wen)控(kong)器是一種(zhong)將定溫(wen)(wen)后的雙金屬(shu)(shu)片(pian)(pian)作(zuo)為(wei)熱(re)敏感(gan)反(fan)應組(zu)件,當(dang)產品主件溫(wen)(wen)度升(sheng)高時(shi)所產生的熱(re)量傳(chuan)遞到(dao)(dao)雙金屬(shu)(shu)圓片(pian)(pian)上,達到(dao)(dao)動作(zuo)溫(wen)(wen)度設(she)(she)定時(shi)迅(xun)速動作(zuo),通(tong)過(guo)機(ji)構作(zuo)用是觸點斷開或閉合;當(dang)溫(wen)(wen)度下降到(dao)(dao)復位溫(wen)(wen)度設(she)(she)定時(shi),雙金屬(shu)(shu)片(pian)(pian)迅(xun)速回(hui)復原(yuan)狀,使觸點閉合或斷開,達到(dao)(dao)接通(tong)或斷開電(dian)路的目的,從而控(kong)制電(dian)路。
各種(zhong)突跳式溫(wen)(wen)(wen)控器(qi)(qi)(qi)(qi)的型號統稱KSD,常見的如KSD301,KSD302等,該(gai)溫(wen)(wen)(wen)控器(qi)(qi)(qi)(qi)是雙金屬片溫(wen)(wen)(wen)控器(qi)(qi)(qi)(qi)的新型產(chan)品(pin),主(zhu)要(yao)作為(wei)各種(zhong)電(dian)熱產(chan)品(pin)具過熱保(bao)護時,通常與熱熔(rong)(rong)斷(duan)器(qi)(qi)(qi)(qi)串接(jie)使用,突跳式溫(wen)(wen)(wen)控器(qi)(qi)(qi)(qi)作為(wei)一級(ji)保(bao)護。熱熔(rong)(rong)斷(duan)器(qi)(qi)(qi)(qi)則在突跳式溫(wen)(wen)(wen)控器(qi)(qi)(qi)(qi)失(shi)婁或失(shi)效導致電(dian)熱元件超溫(wen)(wen)(wen)時,作為(wei)二級(ji)保(bao)護自(zi),有效地防止(zhi)燒壞電(dian)熱元件以(yi)及由此(ci)而引起的火災事故。
是(shi)當(dang)被控(kong)制(zhi)對象的(de)溫(wen)(wen)(wen)度發生變化時使溫(wen)(wen)(wen)控(kong)器(qi)感溫(wen)(wen)(wen)部內的(de)物(wu)質(一般是(shi)液體)產生相應的(de)熱(re)脹冷(leng)縮的(de)物(wu)理現象(體積變化),與感溫(wen)(wen)(wen)部連通(tong)一起的(de)膜盒產生膨脹或收縮。以(yi)杠桿原理,帶(dai)動開(kai)(kai)關通(tong)斷(duan)動作,達到恒溫(wen)(wen)(wen)目的(de)液脹式溫(wen)(wen)(wen)控(kong)器(qi)具有(you)控(kong)溫(wen)(wen)(wen)準確,穩定可(ke)靠(kao),開(kai)(kai)停溫(wen)(wen)(wen)差小,控(kong)制(zhi)溫(wen)(wen)(wen)控(kong)調節范圍大,過載(zai)電(dian)流(liu)大等(deng)性能(neng)特點。液漲(zhang)式溫(wen)(wen)(wen)控(kong)器(qi)主要(yao)用于(yu)家(jia)電(dian)行(xing)業,電(dian)熱(re)設備,制(zhi)冷(leng)行(xing)業等(deng)溫(wen)(wen)(wen)度控(kong)制(zhi)場合用。
該溫(wen)(wen)(wen)(wen)(wen)(wen)控(kong)(kong)器(qi)(qi)(qi)通過密閉的(de)(de)(de)內充感(gan)溫(wen)(wen)(wen)(wen)(wen)(wen)工質的(de)(de)(de)溫(wen)(wen)(wen)(wen)(wen)(wen)包和毛細管,把被控(kong)(kong)溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)的(de)(de)(de)變(bian)化(hua)轉變(bian)為(wei)空間壓力(li)或容積(ji)的(de)(de)(de)變(bian)化(hua),達到(dao)溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)設定值時,通過彈性元件和快速瞬動(dong)機構,自(zi)動(dong)關閉觸(chu)頭,以達到(dao)自(zi)動(dong)控(kong)(kong)制溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)的(de)(de)(de)目的(de)(de)(de)。它由(you)感(gan)溫(wen)(wen)(wen)(wen)(wen)(wen)部、溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)設定主體部、執行開閉的(de)(de)(de)微(wei)動(dong)開關或自(zi)動(dong)風門等(deng)三部分(fen)組成(cheng)。壓力(li)式(shi)溫(wen)(wen)(wen)(wen)(wen)(wen)控(kong)(kong)器(qi)(qi)(qi)適(shi)用于制冷(leng)器(qi)(qi)(qi)具(ju)(如電冰箱冰柜等(deng))和制熱器(qi)(qi)(qi)等(deng)場(chang)合。
電(dian)子式(shi)溫度控(kong)制器(qi)(電(dian)阻式(shi))是采用電(dian)阻感(gan)溫的方(fang)法(fa)來測量(liang)的,一般采用白(bai)金(jin)絲、銅絲、鎢(wu)絲以及熱(re)敏(min)電(dian)阻等作(zuo)為測溫電(dian)阻,這些電(dian)阻各(ge)有其優確點。一般家用空調大都使(shi)(shi)用熱(re)敏(min)電(dian)阻式(shi)。電(dian)子式(shi)溫度控(kong)制器(qi)具有穩定,體積小的優點,在越(yue)(yue)來越(yue)(yue)多的領域中得到使(shi)(shi)用。
數字電(dian)(dian)(dian)子式溫(wen)度控(kong)制器(qi)是(shi)一種精確的(de)(de)溫(wen)度檢(jian)測控(kong)制器(qi),可以(yi)對溫(wen)度進(jin)行(xing)數字量化(hua)(hua)控(kong)制。溫(wen)控(kong)器(qi)一般采用NTC熱敏(min)傳感(gan)(gan)器(qi)或者熱電(dian)(dian)(dian)偶(ou)(ou)作為溫(wen)度檢(jian)測元件(jian),它的(de)(de)原理是(shi):將(jiang)NTC熱敏(min)傳感(gan)(gan)器(qi)或者熱電(dian)(dian)(dian)偶(ou)(ou)設(she)計到相應(ying)電(dian)(dian)(dian)路中,NTC熱敏(min)傳感(gan)(gan)器(qi)或者熱電(dian)(dian)(dian)偶(ou)(ou)隨溫(wen)度變(bian)(bian)化(hua)(hua)而改(gai)(gai)變(bian)(bian),就會(hui)產(chan)生相應(ying)的(de)(de)電(dian)(dian)(dian)壓電(dian)(dian)(dian)流改(gai)(gai)變(bian)(bian),再通過微控(kong)制器(qi)對改(gai)(gai)變(bian)(bian)的(de)(de)電(dian)(dian)(dian)壓電(dian)(dian)(dian)流進(jin)行(xing)檢(jian)測、量化(hua)(hua)顯示出來,并做相應(ying)的(de)(de)控(kong)制。數字溫(wen)度控(kong)制器(qi)具(ju)有精確度高、靈(ling)敏(min)度好(hao)、直觀、操作方(fang)便等特(te)點(dian)。
在(zai)歐洲(zhou)絕大(da)多情況(kuang)是(shi)(shi)溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)是(shi)(shi)壁掛(gua)爐(lu)必配件,兩者一(yi)配一(yi)的同時交付用(yong)戶的,而(er)且(qie)配備的溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)大(da)多是(shi)(shi)智能(neng)(neng)型溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)。而(er)在(zai)國內,已安裝在(zai)運行(xing)和(he)正在(zai)安裝調(diao)試準備投入使用(yong)的壁掛(gua)爐(lu)近(jin)95%的沒(mei)有先行(xing)配備任何形式的簡易或智能(neng)(neng)型的溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)。而(er)房(fang)間采暖系統中配備溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi)尤(you)其是(shi)(shi)智能(neng)(neng)溫(wen)(wen)(wen)控(kong)(kong)(kong)(kong)器(qi),是(shi)(shi)節(jie)能(neng)(neng)采暖綜合體系中一(yi)個極(ji)為(wei)突出的最重要的環節(jie)。
方便:每天自動(dong)定時(shi)提(ti)前(qian)或延后開關調節壁掛爐,免去(qu)人工操作(zuo),對上班族家(jia)庭最有必要;
舒(shu)適:每天早午晚夜各時段室溫(wen)自動(dong)高低(di)調整,免去早晨起(qi)床和下班回(hui)家后(hou)等(deng)待(dai)房間升溫(wen)而(er)挨凍的(de)尷尬;
省氣:改落后粗放的(de)水溫(wen)控制(zhi)為先進準確的(de)室(shi)溫(wen)控制(zhi),加上(shang)分時段定室(shi)溫(wen)按需運(yun)行,不用敞開的(de)晝夜燒氣采(cai)暖;
放(fang)心:室溫(wen)過低時強制啟動壁掛爐,僅需極(ji)少(shao)的(de)燃(ran)氣,便(bian)可安全的(de)進行居(ju)室防凍保護。
溫(wen)控(kong)(kong)器(qi)被廣泛的(de)(de)(de)(de)使用(yong)于各種(zhong)家(jia)電(dian)產品當(dang)中(zhong),如電(dian)冰箱(xiang)(xiang)、飲水(shui)(shui)機(ji)(ji)(ji)、熱水(shui)(shui)器(qi)、咖啡壺等(deng)。溫(wen)控(kong)(kong)器(qi)的(de)(de)(de)(de)質量直接影響到整機(ji)(ji)(ji)的(de)(de)(de)(de)安全、性能、壽(shou)(shou)(shou)(shou)命,是(shi)非常(chang)關鍵的(de)(de)(de)(de)一個元(yuan)件。在溫(wen)控(kong)(kong)器(qi)的(de)(de)(de)(de)眾(zhong)多(duo)技(ji)術(shu)(shu)指標當(dang)中(zhong),壽(shou)(shou)(shou)(shou)命是(shi)衡(heng)量溫(wen)控(kong)(kong)器(qi)產品最重要的(de)(de)(de)(de)技(ji)術(shu)(shu)指標之一。家(jia)電(dian)標準(zhun)規定,溫(wen)控(kong)(kong)器(qi)的(de)(de)(de)(de)壽(shou)(shou)(shou)(shou)命至(zhi)少為10000次(ci),部分家(jia)電(dian),如電(dian)冰箱(xiang)(xiang)產品當(dang)中(zhong)控(kong)(kong)制電(dian)動機(ji)(ji)(ji)-壓縮機(ji)(ji)(ji)的(de)(de)(de)(de)溫(wen)控(kong)(kong)器(qi),充液式散熱器(qi)中(zhong)的(de)(de)(de)(de)一些溫(wen)控(kong)(kong)器(qi)壽(shou)(shou)(shou)(shou)命要求至(zhi)少為100000次(ci)。家(jia)用(yong)溫(wen)控(kong)(kong)器(qi)對(dui)應(ying)的(de)(de)(de)(de)標準(zhun)GB14536.10-2008/IEC60730-2-9:2004對(dui)溫(wen)控(kong)(kong)器(qi)的(de)(de)(de)(de)壽(shou)(shou)(shou)(shou)命試驗做了詳細的(de)(de)(de)(de)規定。