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第二章 电动机的分类、结构组成及特点
第一节 电动机的分类
一、按直流换向分类
(1)电动机按直流换向分类,如表2-1所示。
表2-1 按直流换向分类
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0014_0001.jpg?sign=1739673505-DYsBzgzuByPza4sWnLAVaKDviQkqmvwo-0-688dc473ad8c8a780c4c8a434f58d34e)
(2)按直流换向分类的电动机实物,如图2-1~图2-2所示。
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0014_0002.jpg?sign=1739673505-FtvfcZJueVnyC3Zo1A2DbG0MfTeyNAd0-0-d6f065c5fa1bc9f623c308e6045cdfcb)
图2-1 有刷直流电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0015_0001.jpg?sign=1739673505-jJM0THEWdmp7v42M0OZS0E0RjaKJvfNQ-0-45646ff4b44efa8a78e8d406f78f7256)
图2-2 无刷直流电动机
二、按有无齿轮分类
(1)电动机按有无齿轮分类,如表2-2所示。
表2-2 按有无齿轮分类
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0015_0002.jpg?sign=1739673505-WDj8H5bu3apO7j5WLumwSAmunfI1CpDu-0-955005a766dca90702308a3ef16beb8b)
(2)按有无齿轮分类电动机实物,如图2-3~图2-4所示。
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0015_0003.jpg?sign=1739673505-h1BrJYmS5gMcjBlx5KnzidReWEfNphD8-0-97b0b0bec1c1a3e946156889941603da)
图2-3 有齿高速电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0016_0001.jpg?sign=1739673505-yWzzQonTi2AxXexBk7ycBKf9PH8DRTkY-0-7d44610d03f2a3cc164e314b728c0372)
图2-4 无齿低速电动机
三、按有无永久磁铁分类
(1)电动机按有无永久磁铁分类,如表2-3所示。
表2-3 按有无永久磁铁分类
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0016_0002.jpg?sign=1739673505-GbnXIcszpxH1ZLDIUH3wMfVHftgKC0FU-0-a6aff468d2d22d9de54fc3564d7bdb69)
(2)按有无永久磁铁分类电动机实物,如图2-5~图2-6所示。
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0016_0003.jpg?sign=1739673505-1ihITZAfKtd0y9W4nFh4esPXaMsL95D9-0-3bb9d36cead3859f93afc5bb13709199)
图2-5 永磁电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0016_0004.jpg?sign=1739673505-Qb36OWRuQONUGkVSRn44QRI9bD7d6Uxu-0-57bed305ed69f323125a3c486d4ec00d)
图2-6 串激电动机
四、按外形分类
(1)按外形分类,如表2-4所示。
表2-4 按外形分类
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0017_0001.jpg?sign=1739673505-YMl627JN6fzIO2bei2hJo0kNVZE2QYIW-0-1eb5ba335e104244db9e2a51e40e41c5)
(2)按外形分类的电动机,如图2-7~图2-12所示。
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0017_0002.jpg?sign=1739673505-DNmhHsk3hTThv0mkTGtUO20BACnohFPF-0-154a8b8d844da56070e1a7f223587131)
图2-7 辐条轮毂电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0018_0001.jpg?sign=1739673505-fp4tly2tCyJCIUwWybNGGrWt5Sz6NzYu-0-7b166bce9186984c72c65c855d7d8512)
图2-8 铝轮电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0018_0002.jpg?sign=1739673505-QX8ktC1RHD5FPUqlDEbrhV2TjtUW9UtO-0-bde6420fa1bb906c326ae8f1b0c21b0e)
图2-9 电摩电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0019_0001.jpg?sign=1739673505-NKV6urkSRmQtmPsDxhJjyEpTP4EnUHWh-0-dfe3995cbae6b4e765d916b85fdc4365)
图2-10 侧挂电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0019_0002.jpg?sign=1739673505-sEKxwASXIHC8dQXHJgVeWHIReemdsNWW-0-95d965ae3bef36532c1a2665a25a2517)
图2-11 中置电动机
![](https://epubservercos.yuewen.com/953D48/3590396004281601/epubprivate/OEBPS/Images/figure_0020_0001.jpg?sign=1739673505-xzSyXsGLU7QOLJCHRrvBou7N4OB7I8Tk-0-3cb571f39a59b5fb2f91e2b82ace9ffb)
图2-12 大功率碟刹电动机