產(chǎn)品安規(guī)設(shè)計(jì)之要求與測(cè)試ppt54頁(yè))-文庫(kù)吧在線文庫(kù)
【正文】 開(kāi)孔 a. not exceed 5mm in any dimension. b. not exceed 1mm in width regardless of length. c. 開(kāi)孔位置適當(dāng) , 並在其 5176。 EX: 純 ISDN產(chǎn)品 , DI300 Building Networks for People ? TNV2 Circuits Tele 產(chǎn)品之相關(guān)規(guī)定 whose normal operating voltages exceed the limits for an SELV CIRCUIT under normal operating conditions for telephone ringing signals, voltages such that the signal plies with the criteria of either clause (for Europe) or clause (for US). 一般而言 , TNV2 的線路是針對(duì)連接至 indoor tele 線路 , 且會(huì) 產(chǎn)生震鈴訊號(hào)高於 SELV ( or 60Vdc), 此類型產(chǎn)品必須做Annex 和 。角的傾斜面上時(shí)不可 產(chǎn)生失衡現(xiàn)象及造成使用者及維修人員 產(chǎn)生危險(xiǎn)之情形 . 9. Impact Test Requirement : 以一直徑 50mm, 重為 500177。 60/50 Hz 。 1A/ 100240 V 。25g的 實(shí)心鐵球 , 自 1300mm 高度垂直落 下進(jìn)行撞擊測(cè)試 . Judgement : . . 1. 不可對(duì)設(shè)備之玻璃平臺(tái)處進(jìn)行本測(cè)試 . . Building Networks for People 10. Heating Test 將待測(cè)產(chǎn)品零件接上 thermocouple,設(shè)定測(cè)試之電壓為電壓範(fàn)圍 之 +6% , 10% or +10%, 10% 進(jìn)行溫升測(cè)試 . 判定 : 不可超過(guò)該零件所宣告之額定溫度 , 計(jì)算公式如下 (假設(shè) 室溫為 25K, 產(chǎn)品之操作溫度為 50K) Winding Component Class B △ T = 95K10K(5025)K = 60K Capacitor max. absolute temp. 85℃ △ T = (8550)K = 35K Touchable surfaces metal △ T = 45K(5025)K = 20K Building Networks for People 10. Heating Test Building Networks for People 11. Abnormal Test 以溫升之測(cè)試方式 , 將產(chǎn)品 1) 開(kāi)孔全部封閉 2) DC Fan locked (single fault) 測(cè)試至其溫度穩(wěn)定為止 . 然後再進(jìn)行 HiPot Test , 不可有 Breakdown之情形 Building Networks for People 12. Electric Strength Test Primary to Ground : 1500Vac Primary to Secondary : 3000Vac For TNV Product TNVSELV : 1500Vac TNVCASE : 1500Vac . 可用直流電測(cè)試 . ( VAC 測(cè)試值 *=VCD測(cè)試值 ) Building Networks for People HiPot Test ( Primary to Ground) Building Networks for People HiPot Test ( Primary to Secondary) Building Networks for People 凡是產(chǎn)品會(huì)產(chǎn)生震鈴訊號(hào) (電壓 )、或可直接連接至電信局端、 或直接連上 WAN、或直接透過(guò)電話線路傳送資料 or連結(jié) ,皆屬 於 Tele產(chǎn)品 , 在安規(guī)定義中統(tǒng)稱為 TNV product 。 凡是 TNV circuit 上的零 件、零件位置、 layout、線路一旦經(jīng)過(guò)承認(rèn)後皆不可任意變更 . Tele 產(chǎn)品之相關(guān)規(guī)定 Building Networks for People ? TNV (Telemunication Network Voltage) Circuit A circuit in the equipment to which the accessible area of contact is limited and that is so designed and protected that, under normal operating
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