風扇與鼓風機是提升氣冷熱管理效能最簡單且最具成本效益的方法。在自然對流解決方案中加入風扇或鼓風機,可將較冷的空氣導入主要熱管理裝置內部、周圍及/或表面,並將熱量與熱空氣排出組件,進而改善熱傳效率。
風扇是一種主動式組件,由馬達帶動具葉片的葉輪繞中央軸旋轉,以強制推動空氣。空氣會沿著風扇軸向直線流動。
鼓風機會沿旋轉軸吸入空氣,再利用鼓風機外殼將氣流導向與該軸垂直的方向。鼓風機比風扇具有更高的壓降承受能力,因此可更有力地推動空氣通過散熱器或狹窄風道等氣流阻力。
風扇與鼓風機會強制空氣流經散熱器或熱交換器等熱管理組件。鼓風機與風扇會利用較冷空氣,將受熱表面加熱後的空氣推出組件。強制送風可維持穩定的冷空氣流量,以降低熱源溫度,並安全地將熱量從敏感組件帶走。
使用風扇或鼓風機增加氣流與熱傳,可提升氣冷熱管理解決方案的效能。當周圍環境或自然對流冷卻無法為較高功率應用提供足夠的熱傳能力時,風扇與強制空氣對流冷卻可用來主動改善此環境。增加流向強制對流散熱器的氣流,可讓工程師在相近體積內散除更多熱負載。
伊頓在最大化氣冷效能方面擁有豐富專業,包括客製化設計高效能風扇的能力,以滿足嚴苛的應用需求。我們可客製化葉輪與外殼幾何形狀、馬達結構,以及速度、電壓與功能類型等控制器選項,並提供配套解決方案,以管理、降低或控制噪音與振動。伊頓的進階設計與分析團隊結合完善的製造與測試設施,可在將噪音與振動降至最低的同時提供更高流量,為客戶帶來更多系統設計彈性。
我們在極致氣冷設計上採用全方位方法,涵蓋從進氣、風道、風扇與鼓風機,到進階散熱器、熱交換器與排氣的完整氣流流程。伊頓工程團隊不僅最佳化設計,也會最佳化以風扇與鼓風機為基礎之解決方案的可製造性。
將熱管整合至其他熱管理技術中,可打造更全面、效能更高且效率更佳的熱管理解決方案。熱管可透過更高的熱傳導性提升氣冷效能,並可傳輸或均勻分散熱量,或提高氣冷式散熱器的效率,讓系統在熱負載持續增加時,延後改用液冷解決方案的需求。
鼓風機可承受更高的壓降,非常適合搭配高鰭片密度散熱器與熱交換器,以實現高效能冷卻。鼓風機產生的氣流方向與進氣口垂直,因此可讓外殼幾何設計更具彈性。這也能實現更局部化的冷卻,並為系統設計帶來更多創意空間。
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