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变频器维修中的检测技巧

2017-09-27  来自: 兰州AG棋牌app下载机电有限公司 浏览次数:160

变频器维修中的检测技巧

固定电阻器的检测。

a、jiangliangbiaobi(bufenzhengfu)fenbieyudianzudeliangduanyinjiaoxiangjiejikecechushijidianzuzhi。weiletigaoceliangjingdu,yinggenjubeicedianzubiaochengzhidedaxiaolaixuanzeliangcheng。youyuoumudangkedudefeixianxingguanxi,tadezhongjianyiduanfendujiaoweijingxi,yinciyingshizhizhenzhishizhijinkenengluodaokedudezhongduanweizhi,jiquankeduqishide20%~80%hudufanweinei,yishicelianggengzhunque。genjudianzuwuchadengjibutong。dushuyubiaochengzuzhizhijianfenbieyunxuyou±5%、±10%huo±20%dewucha。rubuxiangfu,chaochuwuchafanwei,zeshuominggaidianzuzhibianzhile。

B、注意:测试时,特别是在测几十kΩ以上阻值的电阻时,手不要触及表笔和电阻的导电部分;被检测的电阻从电路中焊下来,至少要焊开一个头,以免电路中的其他元件对测试产生影响,造成测量误差;色环电阻的阻值虽然能以色环标志来确定,但在使用时还是用万用表测试一下其实际阻值。兰州变频器维修

2、shuinidianzudejiance。

jianceshuinidianzudefangfajizhuyishixiangyujianceputonggudingdianzuwanquanxiangtong。

3、rongduandianzuqidejiance。

AG棋牌app下载zaidianluzhong,dangrongduandianzuqirongduankailuhou,kegenjujingyanzuochupanduan:ruofaxianrongduandianzuqibiaomianfaheihuoshaojiao,keduandingshiqifuheguozhong,tongguotadedianliuchaoguoedingzhihenduobeisuozhi;ruguoqibiaomianwurenhehenjierkailu,zebiaomingliuguodedianliuganghaodengyuhuoshaodayuqiedingrongduanzhi。duiyubiaomianwurenhehenjiderongduandianzuqihaohuaidepanduan,kejiezhuwanyongbiaor×1danglaiceliang,weibaozhengceliangzhunque,yingjiangrongduandianzuqiyiduancongdianlushanghanxia。ruocededezuzhiweiwuqiongda,zeshuomingcirongduandianzuqiyishixiaokailu,ruocededezuzhiyubiaochengzhixiangchashenyuan,biaomingdianzubianzhi,yebuyizaishiyong。zaiweixiushijianzhongfaxian,yeyoushaoshurongduandianzuqizaidianluzhongbeijichuanduanludexianxiang,jianceshiyeyingyuyizhuyi。

4、dianweiqidejiance。

jianchadianweiqishi,shouxianyaozhuandongxuanbing,kankanxuanbingzhuandongshifoupinghua,kaiguanshifoulinghuo,kaiguantong、duanshi“kada”shengshifouqingcui,bingtingyitingdianweiqineibujiechudianhedianzutimocadeshengyin,ruyou“shasha”sheng,shuomingzhiliangbuhao。yongwanyongbiaoceshishi,xiangenjubeicedianweiqizuzhidedaxiao,xuanzehaowanyongbiaodeheshidianzudangwei,ranhoukeanxiashufangfajinxingjiance。

AG棋牌app下载a、yongwanyongbiaodeoumudangce“1”、“2”liangduan,qidushuyingweidianweiqidebiaochengzuzhi,ruwanyongbiaodezhizhenbudonghuozuzhixiangchahenduo,zebiaominggaidianweiqiyisunhuai。

b、jiancedianweiqidehuodongbeiyudianzupiandejiechushifoulianghao。yongwanyongbiaodeoumudangce“1”、“2”(huo“2”、“3”)liangduan,jiangdianweiqidezhuanzhouannishizhenfangxiangxuanzhijiejin“guan”deweizhi,zheishidianzuzhiyuexiaoyuehao。zaishunshizhenmanmanxuanzhuanzhoubing,dianzuzhiyingzhujianzengda,biaotouzhongdezhizhenyingpingwenyidong。dangzhoubingxuanzhijiduanweizhi“3”shi,zuzhiyingjiejindianweiqidebiaochengzhi。ruwanyongbiaodezhizhenzaidianweiqidezhoubingzhuandongguochengzhongyoutiaodongxianxiang,shuominghuodongchudianyoujiechubuliangdeguzhang。

AG棋牌app下载5、zhengwenduxishuremindianzu(ptc)dejiance。

AG棋牌app下载jianceshi,yongwanyongbiaor×1dang,jutikefenliangbucaozuo:

A、常温检测(室内温度接近25℃);将两表笔接触PTC热敏电阻的两引脚测出其实际阻值,并与标称阻值相对比,二者相差在±2Ω内即为正常。实际阻值若与标称阻值相差过大,则说明其性能不良或已损坏。

AG棋牌app下载b、jiawenjiance;zaichangwenceshizhengchangdejichushang,jikejinxingdierbuceshi—jiawenjiance,jiangyireyuan(lirudianluotie)kaojinptcremindianzuduiqijiare,tongshiyongwanyongbiaojianceqidianzuzhishifousuiwendudeshenggaoerzengda,rushi,shuomingremindianzuzhengchang,ruozuzhiwubianhua,shuomingqixingnengbianlie,bunengjixushiyong。zhuyibuyaoshireyuanyuptcremindianzukaodeguojinhuozhijiejiechuremindianzu,yifangzhijiangqitanghuai。

联系人:刘经理
手机:15002505548    18693251465  

技术服务:13893303624
座机:0931-7769026

地址:兰州市安宁区北环路万新路北口(72路终点站)



兰州变频器维修兰州plc维修,兰州中央空调维修,兰州机械加工

兰州AG棋牌app下载机电有限公司

联系人:刘经理

手机:15002505548   

座机:0931-7769026

地址:兰州市七里河区龚家湾杨家桥86—134号

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本站关键字: 兰州变频器维修 兰州中央空调维修 兰州机械加工


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