内训课程产品可靠度环境试验实务分享20170601

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產品環境可靠度試驗實務PreparedbyDaniel2016/11/16HergyLightingTechnologyCorp.可靠性試驗分類HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.環境試驗規範聖經•IEC60068-2HergyLightingTechnologyCorp.環境試驗用烤箱用途恆溫恆濕箱自然對流無風烤箱加熱方式電熱絲加熱+風扇循環紅外線加熱器用途模擬產品在氣候環境溫濕組合條件下(高低溫操作&儲存、溫度循環、高溫高濕、低溫低濕、結露試驗...等),檢測產品本身的適應能力與特性是否改變確認產品組件在無風高溫環境下的實際散熱狀況與特性規範IEC-60068-2-1冷IEC-60068-2-2乾熱IEC-60068-2-14溫度變化IEC-60068-2-5地面太陽輻射模擬IEC-60068-2-3穩態濕熱(無凝結,不供電)IEC-60068-2-56裝備穩態濕熱(無凝結,供電)IEC-60068-2-30濕熱溫度循環(凝結)IEC-60068-2-38組合溫度,濕度循環試驗(凝結)IEC-60068-2-11鹽霧IEC-60068-2-52循環式鹽霧HergyLightingTechnologyCorp.恆溫恆濕試驗機HergyLightingTechnologyCorp.無風自然對流試驗機HergyLightingTechnologyCorp.無風自然對流試驗機HergyLightingTechnologyCorp.恆溫恆濕機與自然對流試驗機差異•產品在研發過程中,必須要模擬在不同溫度下,產品對溫度的適應性以及電子特性。但是採用一般烤箱或恆溫恆濕機在進行溫度環境模擬的同時,不管是烤箱或恆溫恆濕機都有裝置循環風扇的測試區,於是在測試區中會有風速的問題產生。•試驗時,其溫度均勻性是透過轉動循環風扇來平衡,但是其待測品本身的發熱量也會被循環風所帶走,與實際產品在無風的使用環境下(如客廳、室內),會有明顯的不一致性,因為有風循環的關係,會讓有送電的待測品溫差將近10℃。•並非能夠產生溫度的試驗機台(烤箱、恆溫恆濕機)就可以進行自然對流試驗就規範中,針對風速方面有特別的要求,需要無風速的試驗環境。透過自然對流試驗設備與軟體,產生沒有風的溫度環境(自然對流),進行待測品相關溫度量測。HergyLightingTechnologyCorp.恆溫恆濕機與自然對流試驗機差異待測品如不通電環境下,待測品本身不會發熱,其熱源只是吸收試驗爐內的空氣熱,而待測品如果有通電發熱時,其試驗爐內有風循環的話,會將待測品本身熱量帶走,風速每增加1米,其熱量就會減少10%左右。HergyLightingTechnologyCorp.IEC-60068-2-1冷目的:決定元件,裝備於低溫環境操作及儲存能力HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.IEC-60068-2-2乾熱目的:決定元件,裝備於高溫環境操作及儲存能力HergyLightingTechnologyCorp.IEC-60068-2-2乾熱•戶外產品IP68比IP67故障率高•過度氣密反造成故障率高HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-2乾熱HergyLightingTechnologyCorp.IEC-60068-2-14目的:決定試件於溫度變化及溫度連續變化環境下所受之影響HergyLightingTechnologyCorp.IEC-60068-2-14HergyLightingTechnologyCorp.IEC-60068-2-14HergyLightingTechnologyCorp.IEC-60068-2-14HergyLightingTechnologyCorp.IEC-60068-2-14HergyLightingTechnologyCorp.IEC-60068-2-28HergyLightingTechnologyCorp.IEC-60068-2-3HergyLightingTechnologyCorp.IEC-60068-2-56HergyLightingTechnologyCorp.IEC-60068-2-30HergyLightingTechnologyCorp.IEC-60068-2-38HergyLightingTechnologyCorp.IEC-60068-2-5HergyLightingTechnologyCorp.IEC-60068-2-5HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.IEC-60068-2-5HergyLightingTechnologyCorp.IEC-60068-2-5HergyLightingTechnologyCorp.IEC-60068-2-5HergyLightingTechnologyCorp.IEC-60068-2-11HergyLightingTechnologyCorp.IEC-60068-2-52HergyLightingTechnologyCorp.IEC-60068-2-52HergyLightingTechnologyCorp.HergyLightingTechnologyCorp.

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