【选型】直流风扇QFR0624DHP0用来给色谱柱恒温箱的TEC散热，可有效地将热量转移出去

时间： 2023-06-26 来源：世强

技术问答

客户在研发一款色谱柱恒温箱，恒温箱使用制冷片TEC控温，温度在-4至90℃中间控温，需要来回变温。在TEC的运行过程中，也会产生大量的热，这些热量如果不能及时散发出去的话，会导致TEC无法正常工作，因此需要及时做散热处理。TEC上下表面需要加导热材料来降低接触热阻，并需要散热器+风扇将TEC工作时所产生的热量快速转移出去。客户需要的风扇尺寸60*60*25mm，电压24V，风量40CFM以上，噪声60dB以下。

针对以上散热风扇需求，本文推荐台达的一款直流风扇 QFR0624DHP0，其外框尺寸60*60*25mm，电压24V，转速10600RPM，风量49.5CFM，风量更大，噪声55dB，噪声更小，满足客户要求。在散热器端加上该风扇，其内部可以形成更大风冷效果，测试结果表明：可以有效地将热量转移出去，保证制冷片TEC良好工作。

台达直流风扇QFR0624DHP0具有如下应用优势：

1、大风量，最大风量为49.5CFM，可以增强内部的通风性，有效地将散热器热量散去。

2、高转速，转速10600 RPM。

3、工作温度广泛，工作温度-10~70℃，储存温度-40~75℃。

4、高寿命，轴承是双滚珠轴承，在15 ~ 65% rh，寿命达到了40000H@60℃。

5、带有锁定转子保护，当风扇的叶片被锁定时，电流会关闭到零。

6、四线，提供PWM方式调速，散热过程能够最大限度降低能耗。

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【选型】台达6025型直流风扇可作为1800W户外电源的主散热风扇，最大风量超38CFM，具有70000H长寿命

客户的1800W大功率便携式户外电源项目，使用普通的被动式导热、散热方案无法解决散热问题，需要增加风扇来解决。之前有推荐较小尺寸和风量的风扇AUC0512DB-AF00作为次散热风扇，现需要主风扇进行散热，经过匹配，给客户推荐台达AFB0612EH-A。

器件选型发布时间 : 2022-04-29

【选型】低功耗直流风扇ND35C04-21XXX助力VR眼镜散热设计，最高转速11000RPM

VR眼镜核心CPU芯片发热严重，常规的导热垫片不能及时传到热量。推荐台达风扇ND35C04-21XXX，5V直流电压供电，最高转速11000RPM，最大风量2.1CFM，最大风压17.48 mmH2O，噪音57dB-A，功耗2.5W，是VR眼镜等智能产品散热方案的优秀解决方案。

器件选型发布时间 : 2022-04-27

【应用】台达直流风扇助力1800W大功率便携式户外电源，最大风量超20CFM，噪音仅38.5dBA

散热风扇是主动散热常见的散热“武器”，现有客户的1800W大功率便携式户外电源项目，使用普通的被动式导热、散热方案无法解决散热问题，需要增加风扇来解决。经过匹配，给客户推荐了台达的AFB0612EH-A。

应用方案发布时间 : 2022-03-03

DC Fan Declaration of Conformity (R 50415728_P.23_CE1)

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测试报告 - 台达 - 2019-5-30 PDF 英文下载