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          euchner安士能限(xian)位開(kai)關(guān)的(de)符號(hao)表示(shi)方(fang)法
          點(diǎn)擊(ji)次(ci)數(shù)(shu):3280 更(geng)新時(shí)(shi)間:2015-09-21 打印本(ben)頁(ye)面 返(fan)回

          euchner安士能限(xian)位開(kai)關(guān)的(de)符號(hao)表示(shi)方(fang)法euchner安士能限(xian)位開(kai)關(guān)就(jiu)是用(yong)以限(xian)定機(jī)械(xie)設(shè)備的(de)運(yùn)(yun)動(dòng)(dong)極限(xian)位置(zhi)的電(dian)氣(qi)開(kai)關(guān)。這(zhe)種開關(guān)有接(jie)觸(chu)式(shi)的和非接觸(chu)式(shi)的。 接(jie)觸(chu)式(shi)的比較(jiao)直(zhi)觀(guan),機(jī)械(xie)設(shè)備的(de)運(yùn)(yun)動(dòng)(dong)部件上,安裝(zhuang)上(shang)限(xian)位開(kai)關(guān),與其(qi)相對運(yùn)(yun)動(dòng)(dong)的固定點(diǎn)上(shang)安裝(zhuang)極限(xian)位置(zhi)的擋(dang)塊(kuai),或(huo)者(zhe)是相反(fan)安裝(zhuang)位(wei)置(zhi)。當(dāng)(dang)euchner安士能限(xian)位開(kai)關(guān)的(de)機(jī)械(xie)觸(chu)頭碰上擋塊時(shí)(shi),切斷了(或(huo)改(gai)變(bian)了)控(kong)制(zhi)電(dian)路,機(jī)械(xie)就(jiu)停止(zhi)運(yùn)(yun)行或(huo)改(gai)變(bian)運(yùn)(yun)行。由(you)於(yu)機(jī)械(xie)的(de)慣(guan)性(xing)運(yùn)(yun)動(dòng)(dong),這(zhe)種行程(cheng)開(kai)關(guān)有壹定的“超(chao)行程(cheng)"以(yi)保(bao)護(hù)開(kai)關(guān)不(bu)受損壞(huai)。
          euchner安士能限(xian)位開(kai)關(guān)就(jiu)是用(yong)以限(xian)定機(jī)械(xie)設(shè)備的(de)運(yùn)(yun)動(dòng)(dong)極限(xian)位置(zhi)的電(dian)氣(qi)開(kai)關(guān)。限(xian)位開(kai)關(guān)有接(jie)觸(chu)式(shi)的和非接觸(chu)式(shi)的。接(jie)觸(chu)式(shi)的比較(jiao)直(zhi)觀(guan),機(jī)械(xie)設(shè)備的(de)運(yùn)(yun)動(dòng)(dong)部件上,安裝(zhuang)上(shang)行程(cheng)開(kai)關(guān),與其(qi)相對運(yùn)(yun)動(dòng)(dong)的固定點(diǎn)上(shang)安裝(zhuang)極限(xian)位置(zhi)的擋(dang)塊(kuai),或(huo)者(zhe)是相反(fan)安裝(zhuang)位(wei)置(zhi)。當(dāng)(dang)行程(cheng)開(kai)關(guān)的(de)機(jī)械(xie)觸(chu)頭碰上擋塊時(shí)(shi),切斷了(或(huo)改(gai)變(bian)了)控(kong)制(zhi)電(dian)路,機(jī)械(xie)就(jiu)停止(zhi)運(yùn)(yun)行或(huo)改(gai)變(bian)運(yùn)(yun)行。由(you)於(yu)機(jī)械(xie)的(de)慣(guan)性(xing)運(yùn)(yun)動(dòng)(dong),這(zhe)種行程(cheng)開(kai)關(guān)有壹定的“超(chao)行程(cheng)"以(yi)保(bao)護(hù)開(kai)關(guān)不(bu)受損壞(huai)。非接(jie)觸(chu)式(shi)的形式(shi)很多(duo),常(chang)見(jian)的有幹(gan)簧(huang)管(guan)、光電(dian)式(shi)、感(gan)應(yīng)式(shi)等,這(zhe)幾(ji)種形式(shi)在電(dian)梯(ti)中(zhong)都能夠(gou)見(jian)到。當(dāng)(dang)然(ran)還有更(geng)多的優(yōu)良形式(shi)。
          euchner安士能限(xian)位開(kai)關(guān)是壹種常用(yong)的小(xiao)電(dian)流(liu)主(zhu)令(ling)電(dian)器(qi)。利(li)用(yong)生(sheng)產(chǎn)(chan)機(jī)械(xie)運(yùn)(yun)動(dòng)(dong)部件的碰撞(zhuang)使其觸(chu)頭動(dòng)(dong)作(zuo)來(lai)實(shí)(shi)現(xiàn)(xian)接(jie)通(tong)或(huo)分(fen)斷控(kong)制電(dian)路,達(dá)(da)到(dao)壹定的控制目的。通(tong)常(chang),這(zhe)類開關(guān)被(bei)用(yong)來(lai)限(xian)制機(jī)械(xie)運(yùn)(yun)動(dòng)(dong)的位置(zhi)或(huo)行程(cheng),使運(yùn)(yun)動(dòng)(dong)機(jī)械(xie)按(an)壹定位置(zhi)或(huo)行程(cheng)自(zi)動(dòng)(dong)停止(zhi)、反(fan)向運(yùn)(yun)動(dòng)(dong)、變速運(yùn)(yun)動(dòng)(dong)或(huo)自(zi)動(dòng)(dong)往(wang)返(fan)運(yùn)(yun)動(dòng)(dong)等。限(xian)位開(kai)關(guān)分(fen)工(gong)作(zuo)限(xian)位開(kai)關(guān)和極限(xian)限(xian)位開(kai)關(guān),工(gong)作(zuo)限(xian)位開(kai)關(guān)是用(yong)來(lai)給出(chu)機(jī)構(gòu)動(dòng)作(zuo)到位(wei)信(xin)號(hao)的。極限(xian)限(xian)位開(kai)關(guān)是防止(zhi)機(jī)構(gòu)動(dòng)作(zuo)超(chao)出(chu)設(shè)計(jì)範(fàn)圍(wei)而發(fā)(fa)生(sheng)事(shi)故的(de)。euchner安士能限(xian)位開(kai)關(guān)安裝(zhuang)在(zai)機(jī)構(gòu)需要(yao)改(gai)變(bian)工(gong)況的位置(zhi),開關(guān)動(dòng)(dong)作(zuo)後,給出(chu)信(xin)號(hao),進(jìn)(jin)行別的(de)相關(guān)動(dòng)(dong)作(zuo)。極限(xian)限(xian)位開(kai)關(guān)安裝(zhuang)在(zai)機(jī)構(gòu)動(dòng)作(zuo)的zui遠(yuǎn)(yuan)端(duan),用(yong)來(lai)保(bao)護(hù)機(jī)構(gòu)動(dòng)作(zuo)過大(da)出(chu)現(xiàn)機(jī)構(gòu)損壞(huai)。euchner安士能限(xian)位開(kai)關(guān)的(de)符號(hao)表示(shi)方(fang)法如下:


          euchner安士能限(xian)位開(kai)關(guān)用(yong)於(yu)控(kong)制(zhi)機(jī)械(xie)設(shè)備的(de)行程(cheng)及(ji)限(xian)位保(bao)護(hù)。在(zai)實(shí)(shi)際生(sheng)產(chǎn)(chan)中(zhong),將行程(cheng)開(kai)關(guān)安裝(zhuang)在(zai)預(yù)(yu)先(xian)安排(pai)的位(wei)置(zhi),當(dāng)(dang)裝(zhuang)於(yu)生(sheng)產(chǎn)(chan)機(jī)械(xie)運(yùn)(yun)動(dòng)(dong)部件上的模(mo)塊撞(zhuang)擊(ji)行程(cheng)開(kai)關(guān)時(shí)(shi),行程(cheng)開(kai)關(guān)的(de)觸(chu)點(diǎn)動(dòng)(dong)作(zuo),實(shí)(shi)現(xiàn)(xian)電(dian)路的(de)切換(huan)。因此,行程(cheng)開(kai)關(guān)是壹種根(gen)據(jù)(ju)運(yùn)(yun)動(dòng)(dong)部件的行程(cheng)位(wei)置(zhi)而切換(huan)電(dian)路的(de)電(dian)器(qi),euchner安士能限(xian)位開(kai)關(guān)它的作(zuo)用(yong)原(yuan)理(li)與按(an)鈕(niu)類似。行程(cheng)開(kai)關(guān)廣(guang)泛用(yong)於(yu)各(ge)類機(jī)床(chuang)和起重機(jī)械(xie),用(yong)以控(kong)制其(qi)行程(cheng)、進(jìn)(jin)行終(zhong)端限(xian)位保(bao)護(hù)。在(zai)電(dian)梯(ti)的(de)控(kong)制(zhi)電(dian)路中(zhong),還利(li)用(yong)行程(cheng)開(kai)關(guān)來(lai)控(kong)制開關(guān)轎(jiao)門的速(su)度(du)、自動(dòng)(dong)開(kai)關(guān)門(men)的限(xian)位,轎(jiao)廂(xiang)的(de)上、下限(xian)位保(bao)護(hù)。

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