SAFETY NEWS
Providing the latest product safety knowledge and techniques monthly.
2014年6月 (第236期)
一、電源供應器使用三層絕緣線申請醫療標準(IEC/EN/ES 60601-1)選用判斷方法 (Triple insulation wire used in Medical equipment):
醫療類產品的變壓器(如下Fig. 1)若使用三層絕緣線(如下Fig. 2),則該三層絕緣線需注意以下事項:
1.申請美規UL認證,三層絕緣線需符合美規標準UL2353(CCN: OBJT2),UL online certification 範例如下:
2.申請歐規TUV 或國際IEC認證,三層絕緣線需符合歐規標準需為EN 60601-1: 2005以後的版本才能用,部份VDE證書擷取範例如下:
3.該三層絕緣線認證的耐壓值要大於該機種變壓器量到的工作電壓
若欲知目前有哪些三層絕緣線用料適合用於醫療類產品,請洽鼎安Sophia(ext.146)
二、資訊類系統產品申請美規UL60950-1,使用超級電容(SuperCap)(Fig. 3)取代鋰電池的要求說明:
受惠於超級電容(SuperCap)技術的突破,這類型的電容具有相對長時間儲能的功用,可以取代鋰電池運用在資訊類的產品上。該類零件使用與測試評估要求,可以分成以下幾種情況。
1. 超級電容(SuperCap)當成RTC鈕扣電池用(Single capacitor served as RTC battery):
可以選用非UL810A認證的超級電容(SuperCap),只要分析線路並進行可能的短路或開路測試。
UL 810A certified capacitor is not necessary but additional single fault test may be required.
2. 單一超級電容(SuperCap)當成電池組(Battery Pack)用,有以下兩種情況
- 選用UL810A認證的超級電容(SuperCap),UL60950-1章節4.3.8要求可以允收UL810A測試結果。
- 選用非UL810A認證的超級電容(SuperCap),但需依據UL60950-1章節4.3.8要求進行過度充電、過度放電的短路或開路測試。
3. 多個超級電容(SuperCap)組成模組當成電池組(Battery Pack)用,有以下兩種情況
- 選用UL810A認證的超級電容(SuperCap) 模組:
當成一般電池組依據UL60950-1相關要求評估即可。
- 超級電容模組沒有UL810A認證,只有超級電容(SuperCap)有UL810A認證:
系統需要依據UL810A進行測試,可以搭配系統進行。
三、台灣UL可以進行戶外用資訊產品(IEC60950-22)測試與發證:
以往需要送國外進行IEC60950-22的測試,目前已經可以就近在台北林口進行測試並發證,可以縮減申請時間與樣品寄送費用。
目前戶外的通訊產品廠商(4G LTE, 監視系統)相關產品如下圖,都可以受惠該項服務。若欲知詳細資料,請洽鼎安Eric(ext.116),Amy(ext. 139),Stella(ext. 119),Stan(ext. 120)或Eddie(ext. 124)
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