產(chǎn)品名稱:BENTLY DCS 系統(tǒng)模塊
產(chǎn)品型號(hào):330130-040-00-CN
產(chǎn)品參數(shù):330130-040-00-CN
產(chǎn)品功能:330130-040-00-CN
一、 凸輪操控器的構(gòu)造
凸輪操控器從外部看,由機(jī)械、電氣、防護(hù)等三有些構(gòu)造構(gòu)成。其間手柄、轉(zhuǎn)軸、凸輪、杠桿、彈簧、定位棘輪為機(jī)械構(gòu)造。觸頭、接線柱和聯(lián)板等為電氣構(gòu)造。而上下蓋板、外罩及滅弧罩等為防護(hù)構(gòu)造。 二、 凸輪操控器操控電路
1 .電路特色
( 1 )可逆對(duì)稱電路。
( 2 )為削減轉(zhuǎn)子電阻段數(shù)及操控轉(zhuǎn)子電阻的觸點(diǎn)數(shù),選用凸輪操控器操控繞線型電動(dòng)機(jī)時(shí),轉(zhuǎn)子串接不對(duì)稱電阻。
( 3 )用于操控進(jìn)步安排電動(dòng)機(jī)時(shí),進(jìn)步與下放重物,電動(dòng)機(jī)處于不一樣的作業(yè)情況。
2 .操控線路剖析
( 1 )主電路剖析凸輪操控器操作手柄使電動(dòng)機(jī)定子和轉(zhuǎn)子電路一同處在左面或右邊對(duì)應(yīng)各檔操控方位。左右兩頭轉(zhuǎn)子回路接線徹底一樣。當(dāng)操作手柄處于榜首檔時(shí),各對(duì)觸點(diǎn)都不接通,轉(zhuǎn)子電路電阻悉數(shù)接入,電動(dòng)機(jī)轉(zhuǎn)速最低。而處在第五檔時(shí),五對(duì)觸點(diǎn)悉數(shù)接通,轉(zhuǎn)子電路電阻悉數(shù)短接,電動(dòng)機(jī)轉(zhuǎn)速最高。
( 2 )操控電路剖析 凸輪操控器的別的三對(duì)觸點(diǎn)串接在觸摸器 KM 的操控回路中,當(dāng)操作手柄處于零位時(shí),觸點(diǎn) 1-2 、 3-4 、 4-5 接通,此刻若按下 SB 則觸摸器得電吸兼并自鎖,電源接通,電動(dòng)機(jī)的運(yùn)轉(zhuǎn)情況由凸輪操控器操控。
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