如遇以下环境，草莓视频app黄:轴流风机应立即停机检测：1、轴流风机产生强烈的振动或摩擦声；2、马达电流突然上升，超过马达额定电流；3、电动机轴承温度急剧上升。轴流风机的运行和启动取决于电机的驱动。事实上，任何设备都是一样的。如果(guo)你想运行，你必 须有(you)类似的“发动(dong)机”。

选用(yong)(yong)(yong)轴(zhou)流(liu)(liu)风(feng)机(ji)(ji)(ji)的(de)(de)(de)(de)(de)电(dian)(dian)机(ji)(ji)(ji)时(shi)(shi)，总(zong)希(xi)望电(dian)(dian)机(ji)(ji)(ji)能(neng)(neng)够带动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)叶(ye)(ye)(ye)(ye)(ye)轮(lun)快速(su)(su)达到(dao)额(e)定转(zhuan)速(su)(su)，正常工作(zuo)。电(dian)(dian)机(ji)(ji)(ji)起(qi)(qi)(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)包(bao)括通电(dian)(dian)起(qi)(qi)(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)加(jia)(jia)速(su)(su)的(de)(de)(de)(de)(de)全(quan)(quan)过程。它的(de)(de)(de)(de)(de)起(qi)(qi)(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)方(fang)式分(fen)(fen)为(wei)(wei)全(quan)(quan)压(ya)(ya)起(qi)(qi)(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)和(he)减(jian)(jian)(jian)压(ya)(ya)起(qi)(qi)(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。为(wei)(wei)了(le)获得规定的(de)(de)(de)(de)(de)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)时(shi)(shi)间(jian)(jian)，合理选择(ze)电(dian)(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)(de)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)方(fang)式，必 须根(gen)据供电(dian)(dian)电(dian)(dian)网(wang)的(de)(de)(de)(de)(de)容量(liang)、机(ji)(ji)(ji)械负(fu)载对(dui)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)扭矩(ju)的(de)(de)(de)(de)(de)要(yao)求(qiu)、电(dian)(dian)机(ji)(ji)(ji)本(ben)身的(de)(de)(de)(de)(de)特点等(deng)因素(su)(su)进行具(ju)体分(fen)(fen)析(xi)。比(bi)(bi)如(ru)电(dian)(dian)网(wang)容量(liang)大(da)(da)，电(dian)(dian)机(ji)(ji)(ji)的(de)(de)(de)(de)(de)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)电(dian)(dian)流(liu)(liu)不会在(zai)(zai)电(dian)(dian)网(wang)上(shang)造成(cheng)显著的(de)(de)(de)(de)(de)电(dian)(dian)压(ya)(ya)降落。此外，电(dian)(dian)网(wang)的(de)(de)(de)(de)(de)控制(zhi)线和(he)设备可(ke)以(yi)(yi)通过足够大(da)(da)的(de)(de)(de)(de)(de)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)电(dian)(dian)流(liu)(liu)在(zai)(zai)短(duan)时(shi)(shi)间(jian)(jian)内启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)全(quan)(quan)压(ya)(ya)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。如(ru)果风(feng)机(ji)(ji)(ji)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)时(shi)(shi)要(yao)求(qiu)的(de)(de)(de)(de)(de)扭矩(ju)不大(da)(da)，电(dian)(dian)网(wang)容量(liang)与(yu)(yu)电(dian)(dian)机(ji)(ji)(ji)相(xiang)比(bi)(bi)不大(da)(da)，主要(yao)考虑如(ru)何减(jian)(jian)(jian)少启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)电(dian)(dian)流(liu)(liu)，采用(yong)(yong)(yong)减(jian)(jian)(jian)压(ya)(ya)启(qi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)。轴(zhou)流(liu)(liu)风(feng)机(ji)(ji)(ji)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)分(fen)(fen)析(xi)风(feng)机(ji)(ji)(ji)总(zong)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)级与(yu)(yu)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)速(su)(su)度的(de)(de)(de)(de)(de)六次方(fang)成(cheng)正比(bi)(bi)。据分(fen)(fen)析(xi)，风(feng)机(ji)(ji)(ji)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)源(yuan)基本(ben)上(shang)是偶子性(xing)质。进一(yi)(yi)步(bu)推(tui)出，噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)是由(you)于(yu)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)作(zuo)用(yong)(yong)(yong)于(yu)流(liu)(liu)过风(feng)机(ji)(ji)(ji)的(de)(de)(de)(de)(de)空气上(shang)脉(mai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)所致。可(ke)以(yi)(yi)认为(wei)(wei)风(feng)机(ji)(ji)(ji)离(li)散(san)频率(lv)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)源(yuan)有(you)两个(ge)，一(yi)(yi)个(ge)是转(zhuan)子叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)运动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)压(ya)(ya)力(li)场引(yin)起(qi)(qi)(qi)的(de)(de)(de)(de)(de)螺旋桨(jiang)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)，另一(yi)(yi)个(ge)是气动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)干扰引(yin)起(qi)(qi)(qi)的(de)(de)(de)(de)(de)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)脉(mai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)。干扰噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)一(yi)(yi)个(ge)重要(yao)因素(su)(su)是风(feng)机(ji)(ji)(ji)和(he)静(jing)叶(ye)(ye)(ye)(ye)(ye)之(zhi)间(jian)(jian)的(de)(de)(de)(de)(de)距(ju)(ju)离(li)。当这(zhei)(zhei)(zhei)个(ge)距(ju)(ju)离(li)很小时(shi)(shi)，位流(liu)(liu)和(he)尾迹的(de)(de)(de)(de)(de)变化都会受到(dao)影(ying)响(xiang)(xiang)(xiang)，叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)也可(ke)能(neng)(neng)被用(yong)(yong)(yong)作(zuo)声(sheng)(sheng)(sheng)(sheng)屏障(zhang)(zhang)，从而(er)加(jia)(jia)强(qiang)附近叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)列叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)上(shang)升力(li)脉(mai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)产生的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)辐(fu)射(she)。这(zhei)(zhei)(zhei)一(yi)(yi)影(ying)响(xiang)(xiang)(xiang)取决于(yu)与(yu)(yu)升力(li)脉(mai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)相(xiang)关的(de)(de)(de)(de)(de)声(sheng)(sheng)(sheng)(sheng)波(bo)波(bo)长与(yu)(yu)作(zuo)为(wei)(wei)屏障(zhang)(zhang)的(de)(de)(de)(de)(de)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)大(da)(da)小之(zhi)比(bi)(bi)。因此，这(zhei)(zhei)(zhei)种(zhong)影(ying)响(xiang)(xiang)(xiang)引(yin)起(qi)(qi)(qi)的(de)(de)(de)(de)(de)辐(fu)射(she)强(qiang)度的(de)(de)(de)(de)(de)变化在(zai)(zai)比(bi)(bi)值大(da)(da)于(yu)2的(de)(de)(de)(de)(de)频率(lv)范围(wei)内为(wei)(wei)明显。因此，当一(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)辐(fu)射(she)噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)的(de)(de)(de)(de)(de)上(shang)下(xia)游叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)数量(liang)相(xiang)同，两片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)中的(de)(de)(de)(de)(de)每(mei)一(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)同时(shi)(shi)与(yu)(yu)一(yi)(yi)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)转(zhuan)子叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)相(xiang)遇(yu)，在(zai)(zai)源(yuan)头两侧形成(cheng)声(sheng)(sheng)(sheng)(sheng)障(zhang)(zhang)时(shi)(shi)，这(zhei)(zhei)(zhei)种(zhong)影(ying)响(xiang)(xiang)(xiang)会更(geng)强(qiang)。当动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)静(jing)叶(ye)(ye)(ye)(ye)(ye)之(zhi)间(jian)(jian)的(de)(de)(de)(de)(de)距(ju)(ju)离(li)增加(jia)(jia)，位流(liu)(liu)干扰的(de)(de)(de)(de)(de)影(ying)响(xiang)(xiang)(xiang)比(bi)(bi)尾迹速(su)(su)度变化的(de)(de)(de)(de)(de)影(ying)响(xiang)(xiang)(xiang)快得多时(shi)(shi)，叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)作(zuo)为(wei)(wei)声(sheng)(sheng)(sheng)(sheng)障(zhang)(zhang)的(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)也会随着距(ju)(ju)离(li)的(de)(de)(de)(de)(de)增加(jia)(jia)而(er)减(jian)(jian)(jian)少。可(ke)以(yi)(yi)看出，干扰噪(zao)(zao)(zao)声(sheng)(sheng)(sheng)(sheng)的(de)(de)(de)(de)(de)大(da)(da)小至少有(you)三(san)个(ge)参数：速(su)(su)度场波(bo)形的(de)(de)(de)(de)(de)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)形状(zhuang)(即叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)载荷)、作(zuo)为(wei)(wei)声(sheng)(sheng)(sheng)(sheng)源(yuan)的(de)(de)(de)(de)(de)叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)辐(fu)射(she)面积，叶(ye)(ye)(ye)(ye)(ye)片(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)(pian)列之(zhi)间(jian)(jian)的(de)(de)(de)(de)(de)距(ju)(ju)离(li)。很小的(de)(de)(de)(de)(de)距(ju)(ju)离(li)可(ke)能(neng)(neng)会产生两种(zhong)声(sheng)(sheng)(sheng)(sheng)学影(ying)响(xiang)(xiang)(xiang)。若在(zai)(zai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)叶(ye)(ye)(ye)(ye)(ye)上(shang)建立(li)静(jing)叶(ye)(ye)(ye)(ye)(ye)干涉场的(de)(de)(de)(de)(de)力(li)脉(mai)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)使(shi)动(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)(dong)叶(ye)(ye)(ye)(ye)(ye)成(cheng)为(wei)(wei)声(sheng)(sheng)(sheng)(sheng)源(yuan)，而(er)静(jing)叶(ye)(ye)(ye)(ye)(ye)则是声(sheng)(sheng)(sheng)(sheng)障(zhang)(zhang)。