一、行程開關有什么作用
行程開關是一種常用的小電流主令電器,是一種根據運動部件的行程位置而切換電路工作狀態的控制電器,它的作用主要是通過改變電動機的運動狀態,從而控制機械動作或用于程序控制,并實現電路間的切換。在電氣控制系統中,行程開關的作用是實現順序控制、定位控制和位置狀態的檢測,用于控制機械設備的行程及限位保護,因此也叫限位開關。行程開關在很多生活電器以及工業領域都有廣泛的應用,如果您需要購買行程開關,可以先來看看行程開關十大品牌。
二、行程開關符號是什么
行(xing)(xing)程(cheng)開關(guan)是(shi)(shi)根據運(yun)動部件位置而(er)切換電(dian)路(lu)的自動控制(zhi)電(dian)器,廣泛(fan)用(yong)于各類機床和起重(zhong)機械,用(yong)以(yi)控制(zhi)其行(xing)(xing)程(cheng)、進行(xing)(xing)終端限位保護,電(dian)工常用(yong)各種符號(hao)來表(biao)示開關(guan)等電(dian)器元件,在電(dian)路(lu)圖上,行(xing)(xing)程(cheng)開關(guan)用(yong)SQ表(biao)示,有(you)的也會用(yong)ST表(biao)示,文(wen)字(zi)符號(hao)SQ是(shi)(shi)國家標(biao)準(zhun),ST是(shi)(shi)國際標(biao)準(zhun),都(dou)是(shi)(shi)對的,但是(shi)(shi)國內一般(ban)情況(kuang)下都(dou)是(shi)(shi)用(yong)SQ。
三、行程開關工作原理
行程(cheng)開(kai)(kai)關(guan)是(shi)主令電器里的(de)一種,其動(dong)作原理和按(an)鈕沒有什么差別(bie),主要區(qu)別(bie)是(shi):它不是(shi)用手進行按(an)壓(ya)操作而(er)(er)是(shi)用機械設備(bei)的(de)一些運(yun)動(dong)部件(jian)(jian)與它的(de)傳動(dong)部位發生碰撞(zhuang),來促使行程(cheng)開(kai)(kai)關(guan)的(de)觸頭動(dong)作的(de)(常(chang)開(kai)(kai)觸點閉(bi)合,常(chang)閉(bi)觸點斷開(kai)(kai)),能夠達到分斷或者切換電路的(de)目(mu)的(de)。行程(cheng)開(kai)(kai)關(guan)工(gong)作時,利用內(nei)部的(de)元件(jian)(jian)碰撞(zhuang),達到開(kai)(kai)啟電路或關(guan)閉(bi)電路的(de)功(gong)能。正常(chang)情(qing)況下,行程(cheng)開(kai)(kai)關(guan)一旦開(kai)(kai)啟,便會給機械運(yun)動(dong)添(tian)加上一個運(yun)動(dong)的(de)軌跡,只要機械達到設定的(de)位置(zhi),便會自動(dong)停止運(yun)轉,或是(shi)改(gai)變(bian)運(yun)動(dong)狀(zhuang)態(tai),從而(er)(er)達到開(kai)(kai)關(guan)的(de)目(mu)的(de)。
四、行程開關和限位開關有什么區別
1、定(ding)義區(qu)(qu)(qu)別(bie)(bie):行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)一(yi)(yi)般(ban)指一(yi)(yi)種(zhong)(zhong)小(xiao)電(dian)(dian)流主令(ling)電(dian)(dian)器,當生(sheng)產(chan)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)部件發(fa)生(sheng)碰撞時(shi),通過(guo)觸(chu)頭動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發(fa)生(sheng),來(lai)實現(xian)分(fen)斷或(huo)接(jie)(jie)通電(dian)(dian)路,從而(er)達到控(kong)(kong)(kong)(kong)制電(dian)(dian)器的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)來(lai)限(xian)(xian)(xian)(xian)(xian)制機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)形成和(he)位(wei)(wei)(wei)(wei)置(zhi)。讓運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)形成或(huo)位(wei)(wei)(wei)(wei)置(zhi)反向運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)、自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)停止、變速運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)等(deng)(deng)等(deng)(deng)。限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)分(fen)為接(jie)(jie)觸(chu)式(shi)(shi)(shi)和(he)非接(jie)(jie)觸(chu)式(shi)(shi)(shi)兩(liang)種(zhong)(zhong),它是(shi)一(yi)(yi)種(zhong)(zhong)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)來(lai)限(xian)(xian)(xian)(xian)(xian)定(ding)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械設備(bei)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)極限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)置(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)器開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)。限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)更加直觀,它對機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械有一(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)限(xian)(xian)(xian)(xian)(xian)制作(zuo)(zuo)(zuo)用(yong)(yong)(yong),可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)來(lai)保(bao)護開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)不受損壞。非接(jie)(jie)觸(chu)式(shi)(shi)(shi)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)有很(hen)(hen)多(duo)種(zhong)(zhong),比(bi)如干簧管式(shi)(shi)(shi)、光電(dian)(dian)式(shi)(shi)(shi)、感應(ying)式(shi)(shi)(shi)等(deng)(deng)等(deng)(deng)。2、功(gong)能區(qu)(qu)(qu)別(bie)(bie):行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)安(an)裝(zhuang)在(zai)(zai)(zai)(zai)(zai)靜(jing)止的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物體(ti)上(shang)(shang)面(mian)(mian),比(bi)如門框或(huo)固定(ding)架等(deng)(deng)等(deng)(deng)。它也(ye)(ye)可(ke)(ke)以(yi)(yi)安(an)裝(zhuang)在(zai)(zai)(zai)(zai)(zai)運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物體(ti)上(shang)(shang)面(mian)(mian),比(bi)如平時(shi)生(sheng)活(huo)中使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)門。當運(yun)(yun)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物體(ti)接(jie)(jie)近(jin)靜(jing)止的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)物體(ti)時(shi),開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)接(jie)(jie)點會(hui)(hui)(hui)(hui)引起閉合或(huo)斷開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai),從而(er)控(kong)(kong)(kong)(kong)制電(dian)(dian)路的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)。而(er)且行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)靈敏度比(bi)較(jiao)高,體(ti)積也(ye)(ye)比(bi)較(jiao)小(xiao),還具有防(fang)腐(fu)蝕性(xing)和(he)耐用(yong)(yong)(yong)性(xing)等(deng)(deng)諸多(duo)特(te)點。最重要的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi),行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)即(ji)便是(shi)在(zai)(zai)(zai)(zai)(zai)水(shui)里(li),也(ye)(ye)能正常(chang)工(gong)(gong)作(zuo)(zuo)(zuo)。不僅價(jia)格實惠,而(er)且使(shi)用(yong)(yong)(yong)壽命長。限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)分(fen)為極限(xian)(xian)(xian)(xian)(xian)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)和(he)工(gong)(gong)作(zuo)(zuo)(zuo)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)。工(gong)(gong)作(zuo)(zuo)(zuo)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)用(yong)(yong)(yong)來(lai)給出(chu)(chu)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)到位(wei)(wei)(wei)(wei)信(xin)號,一(yi)(yi)般(ban)安(an)裝(zhuang)在(zai)(zai)(zai)(zai)(zai)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構需要改(gai)變工(gong)(gong)況的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)位(wei)(wei)(wei)(wei)置(zhi)上(shang)(shang),在(zai)(zai)(zai)(zai)(zai)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)發(fa)出(chu)(chu)后給出(chu)(chu)信(xin)號,然后再進行(xing)(xing)別(bie)(bie)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)。極限(xian)(xian)(xian)(xian)(xian)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)可(ke)(ke)以(yi)(yi)防(fang)止機(ji)(ji)(ji)(ji)(ji)(ji)(ji)構動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)超出(chu)(chu)設計范圍,發(fa)生(sheng)意外事故。一(yi)(yi)般(ban)安(an)裝(zhuang)在(zai)(zai)(zai)(zai)(zai)器械動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)最遠處,用(yong)(yong)(yong)來(lai)防(fang)止器械動(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)過(guo)大,出(chu)(chu)現(xian)器械損壞的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情況。3、用(yong)(yong)(yong)途(tu)區(qu)(qu)(qu)別(bie)(bie):行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)比(bi)較(jiao)廣(guang)泛(fan)。最典型的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)是(shi)在(zai)(zai)(zai)(zai)(zai)冰(bing)箱方(fang)(fang)(fang)面(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使(shi)用(yong)(yong)(yong),在(zai)(zai)(zai)(zai)(zai)打(da)(da)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)冰(bing)箱門的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou),冰(bing)箱里(li)面(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)就會(hui)(hui)(hui)(hui)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)亮起,當關(guan)(guan)(guan)(guan)(guan)上(shang)(shang)冰(bing)箱的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)門后,冰(bing)箱里(li)面(mian)(mian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)燈(deng)就會(hui)(hui)(hui)(hui)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)熄滅。不但(dan)方(fang)(fang)(fang)便了(le)人(ren)們的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)日常(chang)生(sheng)活(huo),而(er)且也(ye)(ye)更加節約能源,減少資源浪(lang)費。除(chu)了(le)在(zai)(zai)(zai)(zai)(zai)冰(bing)箱上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)運(yun)(yun)用(yong)(yong)(yong),日常(chang)使(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)洗(xi)衣(yi)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)也(ye)(ye)運(yun)(yun)用(yong)(yong)(yong)了(le)行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan),特(te)別(bie)(bie)是(shi)在(zai)(zai)(zai)(zai)(zai)洗(xi)衣(yi)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)脫水(shui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou),脫水(shui)桶(tong)會(hui)(hui)(hui)(hui)高速運(yun)(yun)轉,有的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)老人(ren)或(huo)小(xiao)孩兒(er)安(an)全意識較(jiao)差。可(ke)(ke)能會(hui)(hui)(hui)(hui)在(zai)(zai)(zai)(zai)(zai)洗(xi)衣(yi)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)脫水(shui)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou),打(da)(da)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)洗(xi)衣(yi)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)蓋,這(zhe)本身是(shi)非常(chang)危險的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)行(xing)(xing)為。但(dan)應(ying)用(yong)(yong)(yong)了(le)行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)后,就能很(hen)(hen)好的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)改(gai)善這(zhe)種(zhong)(zhong)問題,從而(er)保(bao)證了(le)用(yong)(yong)(yong)戶(hu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)安(an)全。行(xing)(xing)程(cheng)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)在(zai)(zai)(zai)(zai)(zai)起重機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械、電(dian)(dian)梯(ti)控(kong)(kong)(kong)(kong)制電(dian)(dian)路等(deng)(deng)等(deng)(deng)許多(duo)領域也(ye)(ye)已經廣(guang)泛(fan)運(yun)(yun)用(yong)(yong)(yong),發(fa)揮(hui)了(le)它的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)優勢。限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)用(yong)(yong)(yong)途(tu)也(ye)(ye)很(hen)(hen)廣(guang),不僅是(shi)在(zai)(zai)(zai)(zai)(zai)家用(yong)(yong)(yong)電(dian)(dian)器和(he)工(gong)(gong)業(ye)控(kong)(kong)(kong)(kong)制上(shang)(shang)等(deng)(deng)等(deng)(deng)。在(zai)(zai)(zai)(zai)(zai)電(dian)(dian)梯(ti)井道(dao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)最上(shang)(shang)方(fang)(fang)(fang)和(he)最下(xia)方(fang)(fang)(fang)會(hui)(hui)(hui)(hui)安(an)裝(zhuang)限(xian)(xian)(xian)(xian)(xian)位(wei)(wei)(wei)(wei)開(kai)(kai)(kai)(kai)(kai)(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan),用(yong)(yong)(yong)來(lai)控(kong)(kong)(kong)(kong)制電(dian)(dian)梯(ti)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)停止和(he)減速。在(zai)(zai)(zai)(zai)(zai)錄像機(ji)(ji)(ji)(ji)(ji)(ji)(ji)和(he)錄音機(ji)(ji)(ji)(ji)(ji)(ji)(ji)中,常(chang)常(chang)會(hui)(hui)(hui)(hui)用(yong)(yong)(yong)到倒(dao)退(tui)或(huo)者快進,這(zhe)時(shi)磁帶會(hui)(hui)(hui)(hui)快速地(di)轉動(dong)(dong)(dong)(dong)(dong)(dong)。但(dan)是(shi)到達磁帶端點的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)時(shi)候(hou),就會(hui)(hui)(hui)(hui)自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)停下(xia)來(lai)。