直流無刷(shua)電機(ji)由電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)主體(ti)(ti)和(he)(he)驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)組(zu)成(cheng)，是(shi)一種典型(xing)的(de)(de)機(ji)(ji)(ji)電(dian)(dian)(dian)(dian)一體(ti)(ti)化產品。無刷電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)是(shi)指無電(dian)(dian)(dian)(dian)刷和(he)(he)換向器(qi)(qi)（或集電(dian)(dian)(dian)(dian)環）的(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)，又稱(cheng)無換向器(qi)(qi)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)。直流無刷電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)由電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)主體(ti)(ti)和(he)(he)驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)組(zu)成(cheng)，是(shi)一種典型(xing)的(de)(de)機(ji)(ji)(ji)電(dian)(dian)(dian)(dian)一體(ti)(ti)化產品。電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)定子(zi)繞(rao)組(zu)多做(zuo)成(cheng)三相對稱(cheng)星形接(jie)法，同三相異步電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)十分相似(si)。電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)轉(zhuan)(zhuan)子(zi)上粘有已(yi)充磁(ci)的(de)(de)永磁(ci)體(ti)(ti)，為了檢測電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)轉(zhuan)(zhuan)子(zi)的(de)(de)極(ji)性，在電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)內裝(zhuang)有位置傳感器(qi)(qi)。驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)由功率(lv)(lv)電(dian)(dian)(dian)(dian)子(zi)器(qi)(qi)件和(he)(he)集成(cheng)電(dian)(dian)(dian)(dian)路(lu)等(deng)構成(cheng)，其功能(neng)是(shi)：接(jie)受電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)啟動(dong)(dong)(dong)(dong)、停止、制(zhi)動(dong)(dong)(dong)(dong)信號(hao)，以(yi)控(kong)制(zhi)電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)啟動(dong)(dong)(dong)(dong)、停止和(he)(he)制(zhi)動(dong)(dong)(dong)(dong)；接(jie)受位置傳感器(qi)(qi)信號(hao)和(he)(he)正反轉(zhuan)(zhuan)信號(hao)，用(yong)來(lai)(lai)控(kong)制(zhi)逆變橋各功率(lv)(lv)管的(de)(de)通斷，產生連續轉(zhuan)(zhuan)矩；接(jie)受速(su)度指令和(he)(he)速(su)度反饋信號(hao)，用(yong)來(lai)(lai)控(kong)制(zhi)和(he)(he)調整轉(zhuan)(zhuan)速(su)；提供保護(hu)和(he)(he)顯示等(deng)。

直流(liu)(liu)無刷(shua)(shua)電(dian)機(ji)可(ke)以集成組(zu)裝齒(chi)(chi)輪(lun)箱(xiang)減(jian)(jian)(jian)速(su)(su)器一起使用(yong)，這(zhe)種集成組(zu)裝產(chan)品(pin)也稱直流(liu)(liu)無刷(shua)(shua)減(jian)(jian)(jian)速(su)(su)電(dian)機(ji)，即齒(chi)(chi)輪(lun)減(jian)(jian)(jian)速(su)(su)電(dian)機(ji)，是在普通直流(liu)(liu)無刷(shua)(shua)電(dian)機(ji)的基礎上(shang)，加(jia)上(shang)配(pei)套(tao)齒(chi)(chi)輪(lun)減(jian)(jian)(jian)速(su)(su)箱(xiang)。齒(chi)(chi)輪(lun)減(jian)(jian)(jian)速(su)(su)箱(xiang)的作用(yong)是，提供較低的轉速(su)(su)，較大的力矩。同時，齒(chi)(chi)輪(lun)箱(xiang)不(bu)同的減(jian)(jian)(jian)速(su)(su)比可(ke)以提供不(bu)同的轉速(su)(su)和力矩。這(zhe)大大提高了，直流(liu)(liu)無刷(shua)(shua)電(dian)機(ji)在自(zi)動化(hua)行業(ye)中(zhong)的使用(yong)率。

直流無(wu)刷電機特點：

1.可替代直流電(dian)機調速、變頻(pin)器+變(bian)頻電機(ji)調速(su)、異步電機(ji)+減速(su)機調速(su)；

2.具有傳統直流電機的優點，同(tong)時又取消了碳(tan)刷、滑(hua)環(huan)結構(gou)；

3.可(ke)以低速(su)大(da)功率運行，可(ke)以省去減速(su)機(ji)直(zhi)接驅動(dong)大(da)的負載；

4.體積小、重量輕、出力大；

5.轉(zhuan)矩(ju)(ju)特性優異，中、低(di)速轉(zhuan)矩(ju)(ju)性能(neng)好(hao)，啟動轉(zhuan)矩(ju)(ju)大，啟動電流小；

6.無級調速，調速范圍廣，過載能力強；

7.軟啟(qi)軟停、制(zhi)動特性好，可省去原有的機械制(zhi)動或電(dian)磁制(zhi)動裝置(zhi)；

8.效(xiao)率(lv)高(gao)，電機本身沒有(you)勵磁損(sun)耗(hao)和(he)碳(tan)刷損(sun)耗(hao)，消除(chu)了(le)多(duo)級(ji)減速耗(hao)，綜合節電率(lv)可達20%~60%。