大功率IGBT模块变流器用水冷散热器介绍

文案大全/r/n文案大全/r/n大功率霜/r/n8/r/n丁模块变流器用水冷散热器介绍/r/n水冷散热器服务对象：/r/n各类型/r/nIGBT/r/n模块、晶闸管是在变频、变流领域的实现变频、变流功能的核心元器件。/r/n水冷散热器主要功能是对各类/r/nIGBT/r/n变频器型/r/nIGBT/r/n模块、晶闸管、以及部分电阻进行/r/n水冷散热保护。/r/n3GBT/r/n空域塔/r/n为何需要散热？/r/n吊闸菅/r/n换流的/r/n水冷散热保护。/r/n3GBT/r/n空域塔/r/n为何需要散热？/r/n吊闸菅/r/n换流的/r/n单个大功率/r/nIGBT/r/n模块、晶闸管在工作中发热量最大可达到/r/n2KW/r/n以上。/r/nIGBT/r/n中核心温度在达到/r/n150°/r/n（新型/r/n180°）/r/n时将被烧毁，甚至爆炸。/r/n•/r/n必要对功率元件进行散热保护!/r/n工业运用中的散热方式:/r/n

/r/nixbt8.con/r/n|/r/nr/r/n~/r/n电力电子敷热/r/n水冷散热/r/n热管散热/r/n风冷散热/r/n水冷散热/r/n热管散热/r/n风冷散热/r/n各种散热形式效能比较：/r/n基于对流换热系数的不同散热方案效果比较:/r/n冷板工艺与分类介绍：/r/n水冷板常用加工工艺分类:/r/n

/r/n水冷板常用/r/n加工工/r/n艺分类/r/n1/r/n•埋管式/r/n5/r/n,/r/n压管式/r/nArt/r/n*[-/r/n[>-/r/n•/r/nX/r/nL/r/n》/r/n•/r/n摩/r/n擦焊式/r/n•/r/n真空钎焊式/r/n•/r/n埋管式/r/n血/r/nbl8/r/n」/r/nc/r/n。/r/n工工|/r/n工艺：/r/n一折弯铜管或不锈钢管/r/n—铸造工艺将水管埋入/r/n—CNC/r/n外型加工/r/n特点：/r/n一工艺简单/r/n一批量生产低成本/r/n一性能低下/r/n•/r/n压管式/r/n工艺：/r/n一/r/nCNC/r/n铣槽或型材拉槽/r/n一将折弯铜管或焊或压或粘入槽腔/r/n-CNC/r/n外型加工/r/n特点：/r/n一工艺简单/r/n一批量生产低成本/r/n一性能低下/r/n组装式/r/n工艺：/r/n—CNC/r/n或压铸加工水腔与外型与外盖/r/n—用螺丝与密封圈或胶水压合密封特点：/r/n一工艺简单/r/n—低成本/r/n一性能够用/r/n

/r/n一可靠性低/r/n•/r/n搅拌摩擦焊式/r/n工艺：/r/n—CNC/r/n加工水腔与外盖一摩擦焊做密封焊接/r/n—CNC/r/n成品加工特点：/r/n一有工艺门槛/r/n一设计结构较灵活一性能较好/r/n一可靠性高一成本偏高/r/n•/r/n搅拌摩擦焊式/r/n工艺:/r/n—CNC/r/n或其他方式加工水腔/r/n一真空钎焊做面密封/r/n—CNC/r/n成品加工/r/n特点:/r/n一工艺门槛更高/r/n一设计结构更灵活/r/n一性能更好/r/n一可靠性高/r/n机施工督更扳/r/n（/r/n南墙盘）/r/n⑻/r/ncon/r/n/-附讦码板/r/n■/r/n一成本偏高/r/n焊接原理/r/n铝外苗/r/n（/r/n商熔点）/r/n恁将点宝扑/r/n1/r/n轨杵坪/r/nN/r/n匚艺门螳/r/n安一/r/n追「就/r/nS/r/n»=/r/n埋管/r/nI/r/n加管/r/nI/r/n•/r/n热阻/r/n机岫要求:/r/n■/r/n外单尺寸/r/n■/r/nIGBT/r/n措加,发热号/r/n匚艺门螳/r/n安一/r/n追「就/r/nS/r/n»=/r/n埋管/r/nI/r/n加管/r/nI/r/n•/r/n热阻/r/n机岫要求:/r/n■/r/n外单尺寸/r/n■/r/nIGBT/r/n措加,发热号/r/n•/r/n避/r/ntb/r/n水口接口与配置/r/n*/r/n材质《招合金牌/r/nL/r/n打/r/n冷板工艺与分类/r/n真空钎浮/r/n摩擦焊/r/n•/r/n外型、重量、材质/r/n./r/ncon/r/n产品定位/r/nEr/r/n0/r/n丁/r/n尺吊=/r/nL/r/n部电■电阻类似，电阻=是里，电流：/r/nRth/r/nRth/r/n(HS)/r/nPower/r/n热阻=遮差/热/r/n>Tp/r/n令源//r/n+你/r/nth(HSfxP)/r/n+/r/n(Rth(CHJxP］/r/n十/r/n｛KthfJQxP//r/nTf/r/n结温/r/n1/r/n•/r/n流阻/r/n•/r/n流阻、流阻、流量/r/n反馈关系：/r/n流量越小，热阻越大；流阻越大，热阻越小；流阻越大，流量越小。/r/n•/r/n热设计/r/nA/r/n曲启嫉/r/n1/r/nH/r/n1/r/n国/r/n•/r/n使用环境/r/n./r/n环境温度/r/n一冷却液介质/r/n一热阻计算/r/n./r/n盐雾环境/r/n一表处要求/r/n./r/n装夹、导电、震动环境等/r/n•/r/n表面处理/r/n常用要求/r/n一镀镍/r/n一阳极氧化/r/n一镀铬/r/n一其他/r