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制冷系统故障剖析全解

文章出处: 人气:169发表时间:2019-05-24 09:00

  冷水机、制冰机、低温冰箱、层析冷柜等制冷机的需求越来越大,与之对应的故障也会越来越多,这里成都制冷维修小编为大家做一个全面的故障剖析,但愿对大家有用。

  ZHILENGXITONGFASHENGLEGUZHANG,YIBANBUKENENGZHIJIEKANDAOGUZHANGDEBUWEIFASHENGZAINALI,YEBUKENENGJIANGZHILENGXITONGDEBUJIANZHUYIFENJIEHEJIEPOU,ZHINENGCONGWAIBIAOJIANCHA,ZHAOCHUYUNXINGZHONGDESHICHANGXIANXIANG,JINXINGZONGHEFENXI。ZAIJIANCHAZHONGYIBANDOUTONGGUOKAN、TING、MOLAILEJIEXITONGDEYUNXINGZHUANGTAI。DANGXITONGDEYUNXINGYALIHEWENDUCHAOCHUZHENGCHANGFANWEISHI,CHULESHINEI、WAIHUANJINGWENDUEHUAWAI,FOUZEBICUNZAITIMU,ZHEISHIPANDINGGUZHANGGENYUANDEZHONGYAOYIJU。

  1.吸气温度与排气温度的关系

  SHIJISHANGXITONGDEPAIQIWENDUYUXIQIWENDUGUANXIHENJINMIQINMI。XIQIWENDUSHENGGAO,PAIQIWENDUYEXIANGDUISHENGGAO,FANZHIZEDI。GAOQINGTAMENDEGUANXI,JIUNENGHENHAODEBAWOHEKONGZHITAMEN,SHIZHILENGXITONGYUNXINGDEGENGHAO。

  2.吸气压力变化制冷系统的影响

  ZHILENGXITONGYUNXINGSHI,QIXIQIYALIYUZHENGFAWENDUJIQIZHILENGJIDELIULIANGYOUZHEJINMIQINMIGUANXI。DUIYUYONGPENGZHANGFADEXITONGERYAN,XIQIYALIYUPENGZHANGFADEKAIQIDU、ZHILENGJICHONGZHULIANG、YASUOJIDELENGXIAOLV、YIJIFUHEDAXIAOYOUGUAN。YONGMAOXIGUANDEXITONG,XIQIYALIYULENGNINGYALI、ZHILENGLIANG,YASUOJIZHILENGXIAOLV、YIJIFUHEDAXIAOYOUGUAN。WEICIZAIJIANCHAZHILENGXITONGSHI,YINGZAIXIQIGUANSHANGZHUANGANYALIBIAO。JIANCEXIQIYALIDUIGUZHANGFENXIYOUZHONGYAOZUOYONG。

  (1)XIQIYALIDIDEYINSUXIQIYALIDIYUZHENGCHANGZHI,QIYINSUYOUZHILENGLIANGBUZU、LENGFUHELIANGXIAO、PENGZHANGFAKAIQIXIAO、LENGNINGYALIDI(ZHIYONGMAOXIGUANXITONG),YIJIGUOLVQIBUCHANGTONG。

  (2)XIQIYALIGAODEYINSUXIQIYALIGAOYUZHENGCHANGZHI,QIYINSUYOUZHILENGJIGUODUO、ZHILENGFUHEDA、PENGZHANGFAKAIQIDUDA、LENGNINGYALIGAO(MAOXIGUANXITONG)YIJIYASUOJIXIAOLVCHADENG。

  3.排气(冷凝)压力变化对制冷系统的影响

  ZHILENGXITONGYUNXINGSHI,QIPAIQIYALIYULENGNINGWENDUXIANGDUIYING,ERLENGNINGWENDUYUQILENGQUEJIEZHIDELIULIANGHEWENDU、ZHILENGJILIURULIANG、LENGFUHELIANGDENGYOUGUAN。ZAIJIANCHAZHILENGXITONGSHI,YINGZAIPAIQIGUANCHUZHUANGYIZHIPAIQIYALIBIAO,JIANCEPAIQIYALI,ZUOWEIFENXIGUZHANGZILIAO。

  (1)PAIQIYALIGAODEYINSUDANGPAIQIYALIGAOYUZHENGCHANGZHISHI,YIBANYOULENGQUEJIEZHIDELIULIANGXIAOHUOLENGQUEJIEZHIWENDUGAO、ZHILENGJICHONGZHULIANGGUODUO、LENGFUHEDAJIPENGZHANGKAIQIDADENG。

  YISHANGYINSUHUIYINQIXITONGDELUNHUILIULIANGZENGJIA,LENGNINGREFUHEYEXIANGYINGZENGJIA。YINWEIRELIANGBUNENGJISHIQUANBUSANCHU,YINQILENGNINGWENDUSHANGSHENG,ERSUONENGJIANCEDAODESHIPAIQI(LENGNING)YALISHANGSHENG。ZAILENGQUEJIEZHILIULIANGDIHUOLENGQUEJIEZHIWENDUGAODEQINGKUANGXIA,LENGNINGQIDESANREXIAOLVJIANGDIERSHILENGNINGWENDUSHANGSHENG。ZAILENGQUEJIEZHILIULIANGDIHUOLENGQUEJIEZHIWENDUGAODEQINGKUANGXIA,LENGNINGQIDESANREXIAOLVJIANGDIERSHILENGNINGWENDUSHANGSHENG。DUIYUZHILENGJICHONGZHULIANGGUODUODEYUANYIN,SHIDUOYUDEZHILENGJIYEZHANJULEYIBUMENLENGNINGGUAN,SHILENGNINGMIANJIJIANSHAO,YINQILENGNINGWENDUSHANGSHENG。

  (2)PAIQIYALIDIDEYINSUPAIQIYALIDIYUZHENGCHANGZHI,QIYINSUYOUYASUOJIXIAOLVDI、ZHILENGJILIANGBUZU、LENGFUHEXIAO、PENGZHANGFAKAIDUXIAO,GUOLVQIBUCHANGTONG,BAOKUOPENGZHANGFAGUOLVWANGYIJILENGQUEJIEZHIWENDUDIDENG。what is the bestKOUBEIZUIHAODEMEIGUIJINGYOUWAIYONGJIANFEISHUNFENGKUAIDICHAXUNDANHAOYOUXIAODEHUOYINGRENZHEZHONGWENWANGFEICHANGHAOZENMEQUCHUYANDAIBIJIAOJIEMENGWANGQUDOUYINZENYANGCAINENGSHOULIANFEICHANGHAOFUZHUANGBUCUOSHIHE30SUIYONGDEHUFUPINSHOUYAOQUANGONGLVE

  YISHANGJIZHONGYINSUDOUHUIYINQIXITONGDEZHILENGLIULIANGXIAJIANG、LENGNINGFUHEXIAO,SHILENGNINGWENDUXIAJIANG。

  CONGSHANGSHUDEXIQIYALIYUPAIQIYALIYUPAIQIYALIBIANHUAQINGKUANGKAN,LIANGZHEYOUJINMIQINMIDEGUANXI。ZAIYIBANQINGKUANGXIA,XIQIYALISHENGGAO,PAIQIYALIYEXIANGYINGSHANGSHENG;XIRUYALIXIAJIANG,PAIQIYALIYEXIANGYINGXIAJIANG。YEKECONGXIQIYALIBIAODEBIANHUAGUJICHUPAIQIYALIDEDAZHIQINGKUANG。

  4.蒸发机组的有关温度变化对制冷系统的影响

  (1)RELIPENGZHANGFADEWAIBIAOWENDU(BAOKUODIANZIPENGZHANGFA)ZHENGCHANGQINGKUANGXIA,PENGZHANGFADEXIABANBUFASHENHENLIANG,BINGYOULUSHUI,ZHILENGJIHUODONGSHENGYINHENFANMEN。BUZHENGCHANGQINGKUANG XIA,YISHIFATIBIJIAOLENG,BIAOMIANLUSHUIJIAODUO,SHENZHIJIESHUANG,ZHILENGJIDEHUODONGSHENGJIAODA(QITIHUODONG)。QIYUANYINSHIGUOLVWANGDUSAIBUTONG,HUOZHEDONGLIHENEIZHILENGJIXIELOU,FAKONGFENGBIBUTONG。

  (2)MAOXIGUANDEWENDUZHENGCHANGQINGKUANGXIA,MAOXIGUANFALIANGBINGJIEYOULUSHUI,YOUYETIHUODONGSHENGYIN。BUZHENGCHANGQINGKUANGXIA,YISHIBIAOMIANHENLIANG,YEJIELU,DANHUODONGSHENGYINJIAOXIANG,SHIQITIHUODONG,QIYUANYINSHIZHILENGJIBUZU;ERSHIBIAOMIANBULIANG、BUJIELU,TINGBUDAOHUODONGSHENGYIN,QIYUANYINSHILVWANGDUSAIHUOMAOXIGUANDUSAI。

  (3)ZHENGFAQIDEWENDUZHUANGKUANGZHENGCHANGQINGKUANGXIA,ZHENGFAQIWAIBIAOMIANHENLENG,QININGLUSHUIZHUBUDUANDIDIXIALAI,JINCHUFENGWENDUJIAODA,TONGCHANGΔtKEZAI12~14OC.BUZHENGCHANGQINGKUANG,ZHENGFAQIBIAOMIANBUTAILIANG,LUSHUIWEIJI,HUOBUJIELU,KETINGDAOZHILENGJIHUODONGSHENGYINHENXIANG,JINCHUFENGWENCHAXIAO。QIYUANYINSHIZHILENGJILIANGBUZU,HUOPENGZHANGFAKAIQIDUXIAO。

  5.环境温度的影响

  (1)SHIWAIJIZUDEHUANJINGWENDUYAOQIUANGUOJIACHIDUHUADING,SHIWAIJIZUZAIHUANJINGWENDUWEI35OCYIXIADEQIWEN,KONGDIAOJIZUYINGBAOZHENGZHENGCHANGYUNXING,BINGNENGDADAOCHANPINMING PAISUOBIAODEZHILENGLIANGYIJIQITAGEXIANGZHIBIAO。DANGHUANJINGWENDUZAI35~43OCDEFANWEINEI,KONGDIAOJIZUKEYIYUNXING,DANBUNENGBAOZHENGQIGEPAISUOBIAOZHILENGLIANG,TAYICHUYUMANFUHEYUNXING,ZHEISHIDELENGNING WENDU、YALI、PAIQIWENDUDOUXIANGCHENGGAO,RUOSHINEIJIRELIANGJIAODA,DIANKONGBAOHUQIJIUYOUKENENGDONGZUO,DUJIEDIANYUAN,XIUZHIYUNXING。DANGSHIWAIQIWENCHAOGUO43OC,KONGDIAOJIZUJIUCHUZAICHAOFUHEYUNXING,HUI DAOZHIDIANKONGBAOHUZHUANGZHIDEDONGZUO,DUJIEDIANYUAN,XIUZHIYUNXING。

  (2)SHINEIKONGDIAOQIWENDEYAOQIUSHINEIZHENGCHANGHENGWENZHIZUIGAOYINGBUCHAOGUO30OCWEIHAO。RUOCHAOGUO30OCQIWENXIAYUNXING,KONGDIAOJIZUYOUKENENGCHUZAICHAOFUHEGONGKUANGXIAYUNXING,ZHILENGXITONGDELENGNINGWENDUHEPAIQIWENDUDOUHUISHANGSHENG,YEKENENGDAOZHIDIANBAOHUQIDONGZUO,DUJIEDIANYUAN,DUIKONGDIAOJIZUDEYUNXINGSHOUMINGBULI。

  (3)REBENGXITONGYUDANLENGXITONGQINGKUANGXIANGTONG,REBENGYUNXINGSHIFOUZHENGCHANG,ZHUYAOJIANCHASITONGHUANXIANGFADEGONGZUOQINGKUANG。HUANXIANGFAHUANXIANGSHI,KETINGDAOYOUBIJIAOXIANGDEQITIHUODONGSHENGYIJIDIANCIFADINGZHENDEZHUANGJISHENG(DIANCICHANGXIDONGFAXIN),DANGDIANCIFAZAIHUANXIANGGUOCHENGRUERBUDAOSHANGSHULIANGZHONGSHENGYIN,NEIDIANCIFAKENENGCHUGUZHANG。

  6.制冷系统压力和温度的检测

  (1)ZHILENGXITONGDEYALIGAINIANZHILENGXITONGZAIYUNXINGSHIKEFENGAO、DIYALIANGBUMEN。GAOYADUANCONGYASUOJIDEPAIQIKOUZHIJIELIUFAQIAN,ZHEIYIDUANCHENGWEIZHENGFAYALI。YASUOJIDEXIQIKOUYALICHENGWEIXIQIYALI,XIQIYALIJIEJINYUZHENGFAYALI,LIANGZHEZHICHAJIUSHIGUANLUDEHUODONGZULI。YALISUNSHIYIBANXIANZHIZAI0.018MpaYIXIA。

  WEILIBIANQIJIAN,ZHILENGXITONGDEZHENGFAYALIYULENGNINGYALIDOUZAIYASUOJIDEXI、PAIQIKOUJIANCE。JITONGCHANGCHENGWEIYASUOJIDEXI、PAIQIYALI。JIANCEZHILENGXITONGDEXI、PAIQIYALIDEMUDE,SHIYAODEDAOZHILENGXITONGDEZHENGFAWENDUYULENGNINGWENDU,YICIHUODEZHILENGXITONGDEYUNXINGZHUANGKUANG。