直流無刷電機由電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)主體(ti)和(he)(he)驅(qu)動(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)組成(cheng)，是一種(zhong)典型的(de)(de)(de)機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)一體(ti)化(hua)產(chan)品。無刷電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)是指無電(dian)(dian)(dian)(dian)(dian)(dian)刷和(he)(he)換向器(qi)(qi)(qi)(qi)(qi)（或集電(dian)(dian)(dian)(dian)(dian)(dian)環）的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)，又稱(cheng)無換向器(qi)(qi)(qi)(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)。直(zhi)流無刷電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)由電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)主體(ti)和(he)(he)驅(qu)動(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)組成(cheng)，是一種(zhong)典型的(de)(de)(de)機(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)一體(ti)化(hua)產(chan)品。電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)定子繞(rao)組多(duo)做(zuo)成(cheng)三相對稱(cheng)星形接法，同三相異步(bu)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)十分相似。電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)轉子上粘有已充磁(ci)的(de)(de)(de)永磁(ci)體(ti)，為了檢(jian)測電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)轉子的(de)(de)(de)極性，在電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)內裝有位置傳感器(qi)(qi)(qi)(qi)(qi)。驅(qu)動(dong)(dong)(dong)器(qi)(qi)(qi)(qi)(qi)由功率電(dian)(dian)(dian)(dian)(dian)(dian)子器(qi)(qi)(qi)(qi)(qi)件和(he)(he)集成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)路等(deng)構成(cheng)，其功能是：接受電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)啟(qi)動(dong)(dong)(dong)、停止、制(zhi)動(dong)(dong)(dong)信(xin)號(hao)(hao)，以控(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)啟(qi)動(dong)(dong)(dong)、停止和(he)(he)制(zhi)動(dong)(dong)(dong)；接受位置傳感器(qi)(qi)(qi)(qi)(qi)信(xin)號(hao)(hao)和(he)(he)正反轉信(xin)號(hao)(hao)，用(yong)來(lai)控(kong)制(zhi)逆變橋各功率管的(de)(de)(de)通斷(duan)，產(chan)生連續(xu)轉矩；接受速度(du)指令(ling)和(he)(he)速度(du)反饋(kui)信(xin)號(hao)(hao)，用(yong)來(lai)控(kong)制(zhi)和(he)(he)調整(zheng)轉速；提(ti)供保護(hu)和(he)(he)顯示等(deng)。

直(zhi)(zhi)流(liu)無(wu)(wu)刷(shua)電機(ji)(ji)可以集(ji)成組裝(zhuang)齒(chi)輪箱減(jian)速(su)器一起使用，這種集(ji)成組裝(zhuang)產品也稱直(zhi)(zhi)流(liu)無(wu)(wu)刷(shua)減(jian)速(su)電機(ji)(ji)，即(ji)齒(chi)輪減(jian)速(su)電機(ji)(ji)，是(shi)在普(pu)通直(zhi)(zhi)流(liu)無(wu)(wu)刷(shua)電機(ji)(ji)的(de)基礎上，加(jia)上配套齒(chi)輪減(jian)速(su)箱。齒(chi)輪減(jian)速(su)箱的(de)作用是(shi)，提(ti)供較低(di)的(de)轉(zhuan)速(su)，較大的(de)力矩(ju)。同(tong)時，齒(chi)輪箱不(bu)同(tong)的(de)減(jian)速(su)比(bi)可以提(ti)供不(bu)同(tong)的(de)轉(zhuan)速(su)和力矩(ju)。這大大提(ti)高(gao)了，直(zhi)(zhi)流(liu)無(wu)(wu)刷(shua)電機(ji)(ji)在自動化(hua)行(xing)業(ye)中(zhong)的(de)使用率(lv)。

直流無刷電機特點：

1.可替代(dai)直流電機調(diao)速(su)、變(bian)頻(pin)器+變(bian)頻(pin)電機調(diao)速(su)、異步電機+減速(su)機調(diao)速(su)；

2.具有(you)傳(chuan)統直流電機的優點(dian)，同時又取消(xiao)了碳刷、滑環結構；

3.可以(yi)低(di)速(su)大功率運(yun)行，可以(yi)省去減速(su)機直接(jie)驅(qu)動大的負載；

4.體積小、重量輕、出力大；

5.轉(zhuan)矩特性優異，中、低速轉(zhuan)矩性能好，啟動(dong)轉(zhuan)矩大，啟動(dong)電流小；

6.無級調(diao)速，調(diao)速范圍廣(guang)，過載能力強(qiang)；

7.軟(ruan)啟軟(ruan)停、制動特性好，可省去(qu)原(yuan)有的機械(xie)制動或電磁制動裝置；

8.良好(hao)，電機本身沒有(you)勵(li)磁損耗和碳(tan)刷損耗，消除了多級減速耗，綜合節電率可達20%~60%。

9.可靠(kao)性高，穩定(ding)性好，適(shi)應性強，維修(xiu)與保養(yang)簡單；

10.耐顛簸震(zhen)動(dong)，噪音低，震(zhen)動(dong)小，運轉平滑，壽命長；

11.不產生火花，特別適合爆炸(zha)性場所，有防爆型(xing)；

12.根據需要可選(xuan)梯形波磁(ci)場電(dian)機和正弦波磁(ci)場電(dian)機。

直流無刷電機應用：

1.辦公計算機設備、電子數碼消費品領域。

這是無刷直流(liu)電(dian)機(ji)普(pu)及廣、數量大的(de)領(ling)域。比(bi)如(ru)在(zai)生活(huo)中常見的(de)打印(yin)機(ji)、傳真機(ji)、復印(yin)機(ji)、硬盤驅動器、軟盤驅動器、電(dian)影攝(she)影機(ji)、磁帶(dai)記錄儀等，在(zai)它們的(de)主軸和附屬運(yun)動的(de)帶(dai)動控制中，都有(you)無刷直流(liu)電(dian)機(ji)的(de)身影。

2.工業控制領域。

由于無(wu)刷(shua)直(zhi)流(liu)電機(ji)(ji)大(da)(da)(da)規模的(de)(de)研發(fa)和技(ji)術的(de)(de)逐漸成(cheng)熟，其(qi)驅動(dong)系(xi)統在工(gong)(gong)業生產(chan)中的(de)(de)分布(bu)范圍也(ye)隨之擴大(da)(da)(da)，已逐步成(cheng)為工(gong)(gong)業用(yong)電動(dong)機(ji)(ji)的(de)(de)發(fa)展主流(liu)。圍繞降低(di)生產(chan)成(cheng)本和提(ti)(ti)高運行效率而展開的(de)(de)研究與(yu)嘗試已取(qu)得顯(xian)著的(de)(de)效益，各大(da)(da)(da)廠商也(ye)提(ti)(ti)供(gong)不同(tong)型號的(de)(de)電機(ji)(ji)以(yi)滿足不同(tong)驅動(dong)系(xi)統的(de)(de)需求。現階段在紡織、冶(ye)金、印刷(shua)、自動(dong)化生產(chan)流(liu)水線、數控機(ji)(ji)床等工(gong)(gong)業生產(chan)方面，無(wu)刷(shua)直(zhi)流(liu)電機(ji)(ji)都有涉獵。

3.醫療設備領域。

在國外(wai)，對無刷直流電機的(de)使(shi)用已經較(jiao)為普遍，可以用來(lai)驅動(dong)人(ren)工(gong)心臟中(zhong)的(de)小型(xing)血泵;在國內(nei)，手術用高(gao)速(su)器具(ju)的(de)高(gao)速(su)離心機、熱(re)像(xiang)儀(yi)和測溫儀(yi)的(de)紅外(wai)激光(guang)調(diao)制器都使(shi)用了無刷直流電機。

4.汽車領域。

一般的(de)(de)(de)(de)家(jia)用轎車(che)需要永磁電(dian)(dian)機 20-30 個(ge)(ge)，而每輛豪華轎車(che)則(ze)需要59個(ge)(ge)之多，除了(le)發(fa)動(dong)機外，在雨刷器、電(dian)(dian)動(dong)車(che)門、汽車(che)空調、電(dian)(dian)動(dong)車(che)窗等部位都有電(dian)(dian)機的(de)(de)(de)(de)身(shen)影。隨著(zhu)汽車(che)工業向(xiang)著(zhu)節能(neng)(neng)環(huan)保的(de)(de)(de)(de)方(fang)向(xiang)發(fa)展，所使用的(de)(de)(de)(de)電(dian)(dian)機也必須滿(man)足(zu)高效率、低能(neng)(neng)耗的(de)(de)(de)(de)標(biao)準。而無刷直流電(dian)(dian)機的(de)(de)(de)(de)低噪(zao)聲、壽(shou)命長、無火(huo)花干擾、方(fang)便集中控制等優點(dian)完全符(fu)合，隨著(zhu)其(qi)調速(su)技術(shu)的(de)(de)(de)(de)日益成熟，性(xing)價比會越來越高，它在汽車(che)電(dian)(dian)機驅動(dong)的(de)(de)(de)(de)各個(ge)(ge)環(huan)節中的(de)(de)(de)(de)應用會更(geng)加廣泛(fan)。

5.家用電器領域。

“變(bian)頻”技(ji)術已普遍，作為家電(dian)(dian)(dian)(dian)(dian)的(de)(de)標志逐(zhu)漸占據了大部分的(de)(de)消費市場，“直流(liu)變(bian)頻”受到(dao)生產廠商的(de)(de)青睞，已有逐(zhu)漸替換(huan)掉“交流(liu)變(bian)頻”的(de)(de)轉(zhuan)變(bian)趨勢。這種(zhong)(zhong)轉(zhuan)變(bian)實質(zhi)上就是(shi)家電(dian)(dian)(dian)(dian)(dian)所(suo)用的(de)(de)電(dian)(dian)(dian)(dian)(dian)動機(ji)由(you)感應(ying)電(dian)(dian)(dian)(dian)(dian)動機(ji)向無刷直流(liu)電(dian)(dian)(dian)(dian)(dian)機(ji)及其控制器(qi)的(de)(de)過渡，以達到(dao)節能環保、低噪智能、舒適性(xing)高的(de)(de)要求。無刷直流(liu)電(dian)(dian)(dian)(dian)(dian)機(ji)的(de)(de)發(fa)展方向與(yu)電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)子、傳(chuan)感器(qi)、控制理論(lun)等技(ji)術的(de)(de)發(fa)展方向相(xiang)同(tong)，它是(shi)多種(zhong)(zhong)技(ji)術相(xiang)結合的(de)(de)產物，它的(de)(de)發(fa)展取決于與(yu)之相(xiang)關的(de)(de)每一種(zhong)(zhong)技(ji)術的(de)(de)革新與(yu)進步(bu)。

直流無刷電機應用產品：

直流(liu)無刷(shua)電機(ji)(ji)通(tong)常需(xu)要(yao)搭載(zai)減速齒(chi)輪箱一起使用，例如行(xing)星齒(chi)輪箱、定制非標齒(chi)輪箱、直流(liu)無刷(shua)減速電機(ji)(ji)、機(ji)(ji)器人(ren)關節無刷(shua)電機(ji)(ji)、按摩器直流(liu)無刷(shua)減速電機(ji)(ji)、音箱無刷(shua)電機(ji)(ji)、健身器材無刷(shua)電機(ji)(ji)等產品。