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现有的无刷电机方案存在的一系列问题
作者:admin    发布日期:2017/12/21     关注次数:     二维码分享

某晚报《无刷胜有刷》一文武断地将有刷电机彩宝贝指责为“寿命短、噪声大、效率低”,甚至指出“一般使用6个月至一年就需要更换电机内的碳刷”,讨伐之音毫无顾虑!为此,本文也步其所为,略数电动自行车无刷电机之弊端。

陕西电机

彩宝贝 1、CHUANGANQIGONGZUOHUANJINGCHA,DAOZHIXITONGSHIXIAO

ZHENGGUIDEWUSHUADIANJISHEJIYIBANXUYAOZAIFEIREYUANQUSHEZHIGUANGDIANHUOCIXING(HUOERYUANJIAN)CHUANGANQI,YONGYUJIANCEDIANJIZHUANDONGWEIZHI,FACHUKONGZHIHUANXIANGDEXINHAO,ERXIANZAISHISHOUDEJUEDADUOSHUSUOWEIDEDIANDONGZIXINGCHEZHUANYONGDEWUSHUADIANJILUNGU,YOUYUSHOUDAOSHEJICHICUNHEANZHUANGFANGSHIDEXIANZHI,WUFAJIANGCHUANGANQIYUREYUANGELI,JIHUDOUCAIYONGLEZAITIEXINDINGZISHANGDINGWEIKAICAOBINGYONGJIAOSHUIGUDINGSANGEHUOERYUANJIANDEFANGFALAIANZHUANGCHUANGANQI,ZHONGSUOZHOUZHI,DIANJIDEREYUANSHIYIGEKEGUANCUNZAI,TALAIZIDIANJIDETONGSUNHETIESUN,TEBIESHIDANGDIANJIGONGZUOZAIJIAODIXIAOLVQUSHI,RELIANGJUJIDESUDUHENKUAI,YUSHITIEXINJIUHUIFARE,ZHIJIESHEZHIZAIREYUANQUDECHUANGANYUANJIANHUICHUXIANXINGNENGPIAOYI,DAOZHIHUANXIANGWUCHA,YIDANHUANXIANGCUOWU,ZEHUIDAOZHIDIANJIXIAOLVDEDAFUDUXIAJIANG,WENDUJINYIBUSHENGGAO,YIZHIJINRUEXINGXUNHUAN,ZHIJIEDAOZHIDIANZIHUANXIANGQISHAOHUI,YIBANBIAOXIANWEI“DUANLU”。YIDAN“DUANLU”,WUSHUADIANJIJIUYOUYIZHONGBEI“KASI”DEGANJUE,ZHUANDONGSHIFENKUNNAN,SHIYONGZHESHENZHIBUNENGJIAOCAIQIXING。ZHIYOUQINGSANLUNCHEHUOCHUZUCHEYUNHUI,YOUJINGYANDEYONGHUHUIZIBEIYIBAJIANDAO,YIDANDUANLUKASI,JIUJIANGDIANJISHURUXIANJIANDUAN,SHIZHI“KAILU”,ZHEIYANG,BEISHAOHUIDE“WUSHUA”,JIUKEYIDENGHUIDAOWEIXIUBULE。

2、GANYINGDIANDONGSHI,DAOZHIKONGZHIQISHAOHUI

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3、系统可靠性与性能的矛盾

WUXUHUIYAN,WUSHUADIANJIDEKEKAOXINGYUJIAODAGONGZUODIANLIUYOUHENDADEGUANXI,JIANGDIJIAODAGONGZUODIANLIUHUIGAISHANKEKAOXING,DANRUGUODAFUDUJIANGDIJIAODAGONGZUODIANLIU,NEIJIUHUIDAILAIWUSHUADIANDONGCHEYUNXINGFALI,XINGNENGDILIEDEFUMIANYINGXIANG,XIAOFEIZHEBUHUANYING,WUSHUAMEIYOUSHICHANG。ZHEIQUESHISHIBAIZAIWUSHUAXITONGMIANQIANSHIFENYANJUNDEKETI。


4、只说电机永不磨损、寿命十年,保修两年,就不说控制器! 无刷与有刷不同,有刷的换向器置于电机之内,而无刷则置于电机之外,因此,无刷电机系统实际上是由“电机”和“电子换向器”两部份组成的。无刷的电机部分确实存在着某种“永不磨损”的属性,而无刷的电子换向器却是一个故障率很高的部件,如前所述的各种故障均发生的控制器上。目前,许多无刷的推销员向顾客作出电机“保用2年、5年甚至10年”的承诺,但控制器(电子换向器)却只能保修壹年,更换一只控制器费用高达200元。事实上,若是算上无刷系统控制器的维修费用,其维修成本将大大超过有刷电机更换几个电刷的成本。一旦个别厂家撤消了对控制器(换向器)的保修承诺,消费者的使用成本将迅速增加。

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