上海11选5

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电镀整流器分类有哪些?
文章出处:http://kimsworld1.com/  网责任编辑:admin 人气:127  发表时间:2014-11-28

        电镀属于电解加工过程。不言而喻,电源的性能、类型、特征等因素必将对电镀工艺过程产生重要影响。特别是在现代电镀技术飞速发展的今天,更具有重要地位。因此,了解对电镀工艺过程的影响很有必要。

  1 ZHENGLIUQIDEJIBENYUANLIJILEIXING

  1.1 传统

上海11选5   GUIZHENGLIUQISHIYONGLISHIZHANG,JISHUCHENGSHU,SHIZHENGLIUQIZHULIUCHANPIN。

  1.1.1 ZHENGLIUDIANLU。GONGYESHENGCHANZHONGYIBANCAIYONGSANXIANGDIAOYAQIDIAOYA,50HzSANXIANGGONGPINBIANYAQIJIANGYADEPUTONGGUIZHENGLIUQI。GEZHONGZHENGLIUDIANLUHUODEDEJUNSHIMAIDONGZHILIUDIAN,BUSHICHUNZHILIU,HUODUOHUOSHAODIHANYOUJIAOLIUCHENGFEN。WEILEBIJIAOMAIDONGCHENGFENDEDUOSHAO,KEYONGWENBOXISHULAIBIAOSHI,QIHANYIWEIJIAOLIUCHENGFENZAIZHILIUCHENGFENZHONGZHANDEBAIFENBI,QISHUZHIYUEXIAO,JIAOLIUCHENGFENYUESHAO,YUEJIEJINCHUNZHILIU。

  GEZHONGZHENGLIUDIANLUDEBODONGXISHUBUTONG。QIYOUDADAOXIAODECIXUWEI:SANXIANGBANBOZHENGLIU、SANXIANGQUANBOQIAOSHIZHENGLIUHUODAIPINGHENGDIANKANGQIDELIUXIANGSHUANGFANXINGXINGZHENGLIU。QIZHONGHOUZHEGONGZUOSHIZHENGLIUYUANJIANBINGLIANDAOTONG,BOXINGZUIWEIPINGHUA,ZHENGLIUXIAOLVJIAOGAO,GONGZUOYEJIAOWEIKEKAO,SHIZUIWEICHANGYONGDEYIZHONG。

  WEILEHUODEDIWENBOSHUCHU,ZEBIXUCAIYONGLVBOHUOQITATESHUCUOSHI。LIYONGDIANRONG、DIANGANZHUNENGYUANJIANJINXINGLVBO,SHIJIANGMAIDONGZHILIUZHUANBIANWEIJIAOWEIPINGHUADEZHILIUDECHANGYONGCUOSHI。DANSHIJISHENGCHANZHONG,CHUSHIYANYONGDEXIAOXINGZHENGLIUQIZHIWAI,GONGYESHENGCHANJIBENSHANGBUJINXINGLVBO。TESHUQINGKUANGKESHIYONGDADIANGAN。DIANRONGZAIDIDIANYA、DADIANLIUQINGKUANGXIABUSHIYONGYULVBO。DIANRONGLVBO,DUIGONGPINZHENGLIUZHISHIHEYUFEICHANGXIAOGONGLVDEZHENGLIUDIANYUAN。LIRUSHUCHU10ADEDANXIANGQUANBOZHENGLIUQI,YAODADAODIWENBOSHUCHU,QILVBODIANRONGYAODA0.1FYISHANG。SUIZHEPINLVDETIGAO,SUOXUDIANRONGLIANGJIANXIAO。

  可控硅利用改变可控硅管导通角来调整输出平均直流大小的普通可控,可控硅管输出的是间断脉冲波,其纹波系数的受导通角控制,输出纹波系数大于普通硅整流电路。特别是在使用电流低于额定电流较大的情况下,输出波形脉动系数更大。

  TACAIYONGGONGPINBIANYAQIJIANGJIAOLIUSHURUDIANYAZHUANBIANWEIJIAODI(IOV~20V)JIAOLIUDIANYA,ZAITONGGUOKEKONGGUIJINXINGZHENGLIUHEDIAOYA。KONGZHIJILISHITONGGUOKONGZHIDIANLUDUIKEKONGGUIDEDAOTONGJIAOJINXINGKONGZHILAISHIXIANSHUCHUDIANYAHEDIANLIUDEDIAOJIE。CIZHONGDIANYUANDEQUEDIANSHITIJIDA、ZHONGLIANGZHONG、ZAOYINDA、HAODIANDA、BOWENDA。SUIZHESHENGCHANGONGYIDUIDUCENGZHILIANGJIZIDONGKONGZHIDEYAOQIUYUELAIYUEGAO,YIJIRENMENDUIJIENENGJIHUANBAOYISHIDEZENGQIANG,ZAIPCBDIANDUZHONGYIZHUJIANTAOTAI。TAZHUYAOSHIYONGZAIDIANLIUJIAODADEGONGYEDIANDUSHANG。

  1.1.2.ZHENGLIUYUANJIANLEIXING

  整流元件即通常所说的二极管。由于整流器所有的输出电流都要经过整流元件,因此,可以说是整流器的心脏。整流元件分为硅整流元件和可控硅整流元件二种。镀铬整流器主要使用硅整流元件。虽然可控硅技术已有了长足的发展,且在电镀上应用也日趋增多,但笔者还是推荐使用。其原因主要是波形问题。可控硅整流是采用控制整流元件导通时间与截止时间长短来控制电流的。整流器满负荷使用时波形好。但输出电流较小时电流波形变差。电流越小,波形越差。而上海11选5输出电流大小对波形几乎无影响。

  1.2 GAOPINKAIGUANZHENGLIUQI,YEJIAOKAIGUANDIANYUAN

  YIZHONGXINXINGDIANDUDIANYUANSHEBEI-GAOPINKAIGUANDIANYUAN。TAJIANYOUGUIZHENGLIUQIDEBOXINGPINGHUAXINGYOUDIANJIKEKONGDEDIAOYAFANGBIANDEYOUDIAN,DIANLIUXIAOLVZUIGAO(KEDA90%YISHANG),TIJIZUIXIAO,SHIDAYOUQIANTUDEZHENGLIUQI。ZHIZAOJISHUYIJIEJUELEGONGLVWENTI,SHUQIANANPEIZHISHANGWANANPEIDEDAGONGLVKAIGUANDIANYUANYIJINRUSHENGCHANSHIYONGJIEDUAN。

  TAJIANGJIAOLIUDIANWANGJINGEMIFANGDIANCIGANRAOXIANLULVBOQI,ZHIJIEZHENGLIU、LVBO,JINGBIANHUANQIJIANGZHILIUDIANYABIANHUANCHENGSHUSHIHUOSHUBAIkHzDEGAOPINFANGBO,JINGGAOPINBIANYAQIGELI、JIANGYA,ZAIJINGGAOPINLVBOSHUCHUZHILIUDIANYA。JINGQUYANG、BIJIAO、FANGDAJIKONGZHI、QUDONGDIANLU,KONGZHIBIANHUANQIZHONGGONGLVGUANDEZHANKONGBI,DEDAOWENDINGDESHUCHUDIANYA(HUOSHUCHUDIANLIU)。

  GAOPINKAIGUANZHENGLIUQIDEDIAOZHENGGUANGONGZUOZAIKAIGUANZHUANGTAI,GONGLVSUNHAOXIAO,XIAOLVKEDADAO75%~90%,TIJIXIAO、ZHONGLIANGQING,ERQIEJINGDU、WENBOXISHUJUNYOUYUGUIZHENGLIUQI,ZAIQUANSHUCHUFANWEINEIDOUNENGDADAOSHENGCHANSUOYAOQIUDEJINGDU。TAJUYOUZIWOBAOHUNENGLI,KEYIZAIDAIZAIDEQINGKUANGXIARENYIQITING。TANENGJIFANGBIANDETONGJISUANJIJINXINGLIANJIE,JIZIDONGHUASHENGCHANZHONGDAILAILEJIDADEFANGBIAN,ZAIPCBDIANDUXINGYEZHONGDEDAOGUANGFANDEYINGYONG。

  DIANDUYONGGAOPINKAIGUANZHENGLIUQIDEZHUBIANHUANJIEGOUYOUZHENGJISHI、BANQIAOSHI、QUANQIAOSHIDENG,QIZHONGJIYOUMAIKUANDIAOZHI(PWM)DE“YINGKAIGUAN”DIANLU,YOUYOUREMENDEYIXIANGKONGZHI“RUANKAIGUAN”DIANYUANDIANLU。

上海11选5   MAIKUANDIAOZHI(PWM)GAOPINKAIGUANZHENGLIUQI,GONGZUOPINLVDADOUDIYU50 kHz,CAIYONGDIANYAHUODIANLIUFANKUIKONGZHI。TASHITONGGUOZHONGDUANGONGLVTONGLIANGHEDIAOJIEZHANKONGBIFANGFA,GAIBIANQUDONGDIANYAMAICHONGKUANDULAIDIAOZHENGSHUCHUDIANLIU,SHIQIJIANGONGZUOZAI“YINGKAIGUAN”ZHUANGTAI,JIQIANGPODAOTONG(DIANYABUWEILINGSHI)HUOQIANGPOGUANDUAN(DIANLIUBUWEILINGSHI),SHIKAIGUANGONGLVGUANKAIGUANQIJIANTONGSHICUNZAIGAOYAYUDADIANLIUDEJIAOCHA,YINCIKAIGUANSUNHAODA,JIANFENGGANRAOQIANG。BIANYAQILOUGANYUDADIANLIUBIANHUALVJIQIDEGAOYAJIANFENG,BUJINYISUNHUAIGONGLVGUAN,HAICHANSHENGMINGXIANDEDIANCIFUSHE,JIANGDILEKEKAOXINGHEDIANYUANXIAOLV。

上海11选5   KAIGUANDIANYUANQIPINLVYIDAYINPIN,TONGGUOLVBOSHIXIANDIWENBOSHUCHUGENGWEIJIANBIANYIXING。ERQIEWENLIU、WENYADENGGONGNENGGENGYISHIXIAN。

  1.3 MAICHONGDIANYUANSHEBEI

  随着电力电子科学技术的发展,上海11选5正在由单一功能向多功能发展。由于脉冲电源主要是由嵌入式单片计算机等进行控制,因此,除实现脉冲输出之外,一般具备多种控制功能。

  1.3.1.自动稳流稳压。传统电流或电压无法自动稳定,随电网电压的波动而波动。而脉冲电源则拥有高精度的自动调节功能。如电网三相电压波动达上百伏时,脉冲电源输出电压可以几乎不变。脉冲电源的自动调节功能一般具有二种模式:

  DIYI,HENGDIANLIUXIANYAMOSHI。DANGDIANDUGONGYICANSHU,RULINGJIANMIANJI、WENDU、NONGDU、SUANJIANDUDENGGONGYITIAOJIANFASHENGGAIBIANSHI,CHANGGUIZHENGLIUQIDIANLIUHUIFASHENGBODONG。ERHENGDIANLIUMOSHIXIA,SHUCHUDIANLIUZIDONGHENGDINGZAISHEDINGZHIBUFASHENGGAIBIAN。ZHEIDUIXUJINGQUEJISUANYINGGEHOUDUQINGKUANGXIASHIHENYOUYONGDE。CAIYONGHENGLIUMOSHISHIDEXIANYAGONGNENGMUDESHIBAOHUSHEBEIBUBEISHAOHUAI。

  DIER,HENGDIANYAXIANLIUMOSHI。DANGDIANDUGONGYICANSHUFASHENGGAIBIANSHI,SHUCHUDIANYAZIDONGHENGDINGZAISHEDINGZHIBUFASHENGGAIBIAN。ZHEIZHONGMOSHIYINGGEDIANDUBUCHANGSHIYONG,DANDUIYULVYANGHUAZHESEZEDAYOUZUOYONG。

上海11选5   1.3.2 DUODUANSHIYUNXINGMOSHI。LVYANGJIYANGHUAHUOYINGGEDIANDUSHI,WANGWANGXUYAOJINXINGFANXIANGDIANJIE、DADIANLIUCHONGJI、JIETISONGDIANDENGCAOZUO。CHUANTONGDIANYUANZHINENGKAOSHOUGONGSHIXIAN。ERJUYOUDUODUANSHIYUNXINGMOSHIDEMAICHONGDIANYUANZEZHIXUTIQIANSHEDING,SHENGCHANSHIKEZIDONGANSHUNXUJINXINGZIDONGDIAOJIE。ZHEIYIGONGNENGDUIYINGGEDIANDUSHIFEICHANGYOUYONGDE。GUOCHANMAICHONGDIANYUANYIDADAOSANDUANSHIYUNXING,MEIYIDUANSHIJIANKEZAI0~255MIAONEIDIAOJIESHEDING。

  1.3.3 SHUANGXIANGMAICHONGGONGNENG。ZHENGFUMAICHONGPINLV、ZHANKONGBI、ZHENGFANXIANGSHUCHUSHIJIANJUNKEDULIDIAOJIE,SHIYONGLINGHUO、FANGBIAN。PEIHEYINGGEDIANDUGONGYI,KEHUODEBUTONGWULIXINGNENGDEDUCENG。

上海11选5   1.3.4 ZHILIUDIEJIAGONGNENG。SHUCHUZHENGFANXIANGMAICHONGDIANLIUDETONGSHI,YOUTONGYITAIDIANYUANDIEJIASHUCHUYICHUNZHILIUCHENGFEN,GENGTUOKUANLEMAICHONGDIANYUANDESHIYONGFANWEIJIYONGTU。

  JINJINIANLAI,GUOCHANDUOGONGNENGMAICHONGDIANYUANJISHUYIQUYUCHENGSHU,QIZHONGMAICHONGBOXINGCHUIZHICHENGDU,BOXINGPINGWENCHENGDU、WENDINGXING、KANGGANRAOXINGDENGZHIBIAODADAOSHENZHICHAOGUOLEGUOWAISHUIPING。

  直流电源波形对电镀质量有突出的影响,例如:高频率定脉宽高频稳压/稳流脉冲电源电镀时会产生特殊效应,这也是普通直流无法达到的效果,有些现象还不能用常规电化学理论来加以解释。而直流波形对电镀沉积的影响还难以从理论上进行预测,只能通过大量的试验来作相对比较,筛选出适宜的波形。

  JINJINIANLAIXINCHUXIANDELINGDIANYAZHUANHUAN(zvT)HELINGDIANLIUZHUANHUAN(ZCT)JISHU,HUOZHECHENG“RUANKAIGUAN”JISHU,ZONGHELEPWM KAIGUANYUXIEZHENBIANHUANJISHULIANGZHEDEYOUDIAN:JIYOUMAICHONGFANGBOGAOXIAOCHUANDIGONGLVHEHENGPINKONGZHIBIANYUYOUHUACANSHU,YOUYOUXIEZHENJISHUDEDISUNHAOHELINGDIANYAZHUANHUANDETEDIAN。ZHEIZHONG“LINGKAIGUAN”JISHUCHONGFENLIYONGBIANYAQIDELOUGANYUGONGLVGUANDESHUCHUJIEDIANRONGZHIJIANDEXIEZHEN,CHANSHENGMANZULINGDIANYADAOTONGHELINGDIANLIUJIEZHIDETIAOJIAN,ZAIKAIGUANGUANDAOTONGSHIDIANYAWEILING,JIEZHISHILIUJINGKAIGUANGUANDEDIANLIUWEILING。YINCIDADAJIANSHAOLEGONGLVGUANDEKAIGUANDIANYA、DIANLIUYINGLIHEJIANCIGANRAO,JIANGDILEGONGHAO,KAIGUANXIAOLVMINGXIANTIGAO。