CN103278035B - 一种换热板片 - Google Patents

一种换热板片 Download PDF

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CN103278035B
CN103278035B CN201310213979.6A CN201310213979A CN103278035B CN 103278035 B CN103278035 B CN 103278035B CN 201310213979 A CN201310213979 A CN 201310213979A CN 103278035 B CN103278035 B CN 103278035B
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heat exchange
exchange plate
grooves
groove
unequal
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CN103278035A (zh
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陈文联
章思满
黎贤钛
虞礼辉
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Zhejiang ERG Technology Inc
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Abstract

本发明涉及一种换热板片，除了有模压成相互垂直且不交叉的凹、凸半圆槽及对边折弯结构，在无凹、凸槽的区域增设了对称的类似蛇形的不等宽凹槽，类似蛇形不等宽凹槽分别对称分布在凹、凸半圆槽的两侧(或两端），使整个换热板片无槽区域的面积极小。制作结果表明，具有凹、凸半圆槽及对称类似蛇形不等宽凹槽的换热板片制作成的冷却芯体，厚度为原来的三分之二，流道的强度及刚性优于原先板片厚度的同规格冷却芯体；并且试验的结果表明，由于增设了对称类似蛇形不等宽凹槽，相同规格的冷却芯体换热功率提升了10%。

Description

一种换热板片
技术领域
本发明属于冷却设备领域，具体是涉及一种换热板片。
背景技术
本公司原有的风力发电机机舱用板式冷却器产品（ZL2009100986880）,其芯体由薄板型的换热板片组成,换热板片上有模压成相互垂直且不交叉的凹凸槽,换热板片的一组对边制成雄扣子后再折弯,使雄扣子与同面的凸槽底部在同一平面,换热板片的另一组对边反方向制成雌扣子后也折弯,使雌扣子与雄扣子的配合口与同面的凸槽底部在同一平面;若干组扣压好的换热板片制得冷却器芯体。凹槽及凸槽增加了换热板片的强度，但换热板片的无槽区面积大，因此换热板片的整体强度及刚性还不够，由较薄换热板片组成芯体的流道容易变形，必须增加厚度才能满足冷却器芯体对于换热板片强度及刚性的要求。
发明内容
本发明目的是针对上述产品的不足，对换热板片上的空气对流槽结构进行改进，满足其重量轻、成本低、强度及刚性好、换热效率高的要求。
本发明所述的换热板片，除了有模压成相互垂直且不交叉的凹、凸半圆槽(凹槽和凸槽为长槽结构，两者的形状尺寸一致)及对边折弯结构，在无凹、凸槽的区域增设了对称的类似蛇形的不等宽凹槽，类似蛇形不等宽凹槽分别对称分布在凹、凸半圆槽的两侧(或两端），使整个换热板片无槽区域的面积极小，类似蛇形不等宽凹槽为单面凹结构,宽度不等，深度不同。
增设类似蛇形不等宽凹槽后，换热板片的结构强度及刚性得到很大的提高；空气流经由该换热板片制得的冷却芯体流道，在类似蛇形不等宽凹槽处产生紊流及扰流，增加了换热效果。
制作结果表明，具有凹、凸半圆槽及对称类似蛇形不等宽凹槽的换热板片制作成的冷却芯体，厚度为原来的三分之二，流道的强度及刚性优于原先板片厚度的同规格冷却芯体；并且试验的结果表明，由于增设了对称类似蛇形不等宽凹槽，相同规格的冷却芯体换热功率提升了10%。
附图说明
图1为本发明结构示意图；
图2为类似蛇形不等宽凹槽结构的放大图；
图3为图1A-A剖视图的局部放大图；
图4是图1B-B剖视图的局部放大图。
图中1为类似蛇形不等宽凹槽，2为与1对称的类似蛇形不等宽凹槽，3为凸半圆槽，4为凹半圆槽。
具体实施方式
如图所示，本发明所述的一种换热板片，板片上具有凹、凸半圆槽4、3和对称的类似蛇形不等宽凹槽1、2，由剪切成统一尺寸的铝薄板，通过一次模具压伸，两次对边折弯形成。凹、凸半圆槽和对称类似蛇形不等宽凹槽通过模具的拉伸机构实现，其深度可根据设计的要求通过调整模具实现。凹半圆槽4和凸半圆槽3为长槽结构，相互垂直且不交叉，两者的形状尺寸一致；类似蛇形不等宽凹槽为单面凹结构，该凹槽的宽度不等，深度也不同，其宽度一般为2mm-5cm不等宽，深度一般为铝薄板厚度的1-10倍，类似蛇形对称排列在凹、凸半圆槽的两侧。换热板片的一组对边制有雄扣子，另一组对边反方向制有雌扣子。不同换热板片的雌、雄扣子依次推插相扣，根据要求的片数制得冷却器芯体。

Claims (2)

1.一种换热板片，具有模压成相互垂直且不交叉的凹、凸半圆槽(4、3)及对边折弯成扣的结构，其特征在于该换热板片的无凹、凸槽区域增设了对称的蛇形的不等宽凹槽(1、2)，蛇形的不等宽凹槽(1、2)深度不同，蛇形不等宽凹槽分别对称分布在凹、凸半圆槽的两侧或两端。
2.如权利要求1所述的一种换热板片，其特征在于蛇形不等宽凹槽(1、2)为单面凹结构,该凹槽的宽度不等，深度不同，其宽度为2mm-5cm不等宽，深度为铝薄板厚度的1-10倍。
CN201310213979.6A 2013-05-31 2013-05-31 一种换热板片 Active CN103278035B (zh)

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JP5932757B2 (ja) * 2013-11-15 2016-06-08 株式会社フィルテック 流体熱交換装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110635A1 (en) * 2006-11-21 2009-10-21 Kabushiki Kaisha Toshiba Heat exchanger
CN101644237B (zh) * 2009-05-21 2011-02-02 浙江尔格科技有限公司 一种风力发电机机舱用板式冷却器
CN201795712U (zh) * 2010-04-26 2011-04-13 江苏宝得换热设备有限公司 换热器板片
EP2420791A2 (en) * 2009-04-16 2012-02-22 Korea Delphi Automotive Systems Corporation Plate heat exchanger
CN202304542U (zh) * 2011-10-09 2012-07-04 辽宁佰斯特热工设备制造有限公司 一种板式换热器的换热板片

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110635A1 (en) * 2006-11-21 2009-10-21 Kabushiki Kaisha Toshiba Heat exchanger
EP2420791A2 (en) * 2009-04-16 2012-02-22 Korea Delphi Automotive Systems Corporation Plate heat exchanger
CN101644237B (zh) * 2009-05-21 2011-02-02 浙江尔格科技有限公司 一种风力发电机机舱用板式冷却器
CN201795712U (zh) * 2010-04-26 2011-04-13 江苏宝得换热设备有限公司 换热器板片
CN202304542U (zh) * 2011-10-09 2012-07-04 辽宁佰斯特热工设备制造有限公司 一种板式换热器的换热板片

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