檢視开门机的原始碼

[[File:开门机.jpg|缩略图|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%BC%80%E9%97%A8%E6%9C%BA%20%20%20%E6%90%9C%E7%8B%90&step_word=&hs=0&pn=0&spn=0&di=29370&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=2&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=-1&cs=4290302343%2C1075052981&os=2284634575%2C2301744279&simid=3403337900%2C320406929&adpicid=0&lpn=0&ln=476&fr=&fmq=1632535985222_R&fm=result&ic=&s=undefined&hd=&latest=&copyright=&se=&sme=&tab=0&width=&height=&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%2Fq_70%2Cc_zoom%2Cw_640%2Fimages%2F20180929%2F0771ae3561ec418bbce2195350473d09.jpg%26refer%3Dhttp%3A%2F%2F5b0988e595225.cdn.sohucs.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Djpeg%3Fsec%3D1635128233%26t%3Da1401ab1e99b26a8da0daeb8f507b228&fromurl=ippr_z2C%24qAzdH3FAzdH3F4_z%26e3Bf5i7_z%26e3Bv54AzdH3FwAzdH3Fdcml9lmbd_lllc0lmn&gsm=1&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined 原图链接][https://m.sohu.com/a/256949682_99957963 来自手机搜狐网]]]
'''开门机'''是由电机、变速机构、离合装置组成的一种[[驱动器]]，属机电产品。通常用于实现各种门体的电动开启、关闭。