【文章內(nèi)容簡介】 燈體上的帶電金屬部件。 合格性：規(guī)定的試驗指、施加 10 N的力檢驗其接觸性。 8 Protection against accidental contact with live parts （防觸電保護） T220。 V S220。 D Greater China Slide 19 Ji Yin 20230614 For the other parts of the lamp, the following requirements apply 2. Insulation resistance 25176。 C, 93% humidity test for 48h 500 ., 1min, between live parts of the cap and accessible parts of the lamp, result: ≥ 4MΩ 3. Electric strength with an . voltage or a . voltage equal to the peak voltage of the prescribed . voltage as follows. (NOTE 1 The use of . or . voltage is to be advised by the manufacturer. NOTE 2 The electric strength test with an equivalent . voltage is under consideration) between the contacts and the metal foil or accessible conductive parts: 4U+., 1min 絕緣電阻 25176。 C, 93%濕度 , 48h 對于燈頭的帶電部件與燈的易觸及部件施加大約 500 V的直流電壓 1 min，絕緣電阻應不小于 4 MΩ。 電氣強度 在上述規(guī)定的相同部位上施加 4U+. 1 min 9 Mechanical requirements for caps （燈頭的機械要求） T220。 V S220。 D Greater China Slide 20 Ji Yin 20230614 ? Construction and assembly Caps shall be so constructed and assembled to the tubes that they remain attached during and after operation. ● Torque test on unused lamps There shall be no rotational movement between ponent parts of the cap exceeding an angular displacement of 6176。 燈頭的結構及燈頭與燈管的組裝，應使整個燈在工作期間和工作之后各部分保持良好的連接。 對于未使用過的燈，對其插腳進行扭矩試驗以檢驗其合格性。 當燈頭承受上表所列的扭矩時，應能與燈管連接牢固，且燈頭各部件之間的轉(zhuǎn)動角度應不超過 6176。 。 9 Mechanical requirements for caps （燈頭的機械要求） T220。 V S220。 D Greater China Slide 21 Ji Yin 20230614 ? Torque test after heat treatment LED lamps having a crimp, screw or similar mechanical connection used for fixing the cap to the tube, are exempt from this clause. 2 000 h 177。 50 h at 80 176。 C 177。 5 176。 C no rotational movement exceeding an angular displacement of 6176。 when subjected to the torque levels specified in Table 3. other kind of fixation of the cap of the tube than that used for fluorescent lamps, a shorter heating period down to 100 h, is allowed. lamps with adjustable caps, before applying the torque test, the lamp cap shall be rotated to its Extreme positions. Both extreme positions shall be tested. 如果燈頭固定到燈管使用的是卷曲、螺絲或類似機械連接，則本條不適用。 燈頭在 80 ℃ 177。 5 ℃ 的溫度下，加熱 2 000 h 177。 50 h之后，承受表中規(guī)定的扭矩時，應能與燈管連接牢固，而且燈頭各部分之間的轉(zhuǎn)動角不得超過 6176。 。與熒光燈使用的燈頭相比，另外一種固定的燈管燈頭允許一個較短期的加熱周期，減少到 100 h。 對于帶可調(diào)節(jié)燈頭的燈，在進行扭矩試驗之前，應將燈頭旋轉(zhuǎn)至極限位置。兩個極限位置都應進行試驗。 9 Mechanical requirements for caps （燈頭的機械要求） T220。 V S220。 D Greater China Slide 22 Ji Yin 20230614 ? Repetition of Clause After the mechanical strength test, the sample shall ply with the requirements of accessibility (see Clause ). 機械強度試驗后，樣品應符合 。 10 Cap temperature rise （燈頭溫升） T220。 V S220。 D Greater China Slide 23 Ji Yin 20230614 ? Lamp cap temperature rise is checked by the test setup specified in Annex B of IEC 61195. reference ballast used 110 % of the rated voltage in draughtfree air, at 25 176。 C 177。 5 176。 C, horizontal plane through the cap pins The electrical connections to the lamp shall be through 1 mm2 177。 5 % copper wires attached to the cap pins. For G5, G13 and 2G13 caps, the thermocouple shall be attached to the insulating material of the cap as close to the centre as possible. Compliance: The lamp cap temperature rise above ambient temperature shall not exceed 95 K. 燈的燈頭溫升通過 IEC 61195附錄 B指定的試驗裝置檢驗。 合格性：燈的燈頭溫升應不超出 95 K。 11 Resistance to heat （耐熱性 ） T220。 V S220。 D Greater China Slide 24 Ji Yin 20230614 ? Ballpressure test 125 176。 C for parts retaining live parts in position and 75 176。 C for other parts Measured diameter of the impression shall not exceed 2 mm 支撐帶電部件的部分的試驗應至少 125℃ 的溫度環(huán)境中進行 , 其他部分的試驗在 75℃ 的 溫度中進行。 測量受試部件上的壓痕，其直徑應不超過 2 mm。 12 Resistance to flame and ignition （防火與防燃） T220。 V S220。 D Greater China Slide 25 Ji Yin 20230614 Parts of insulating material retaining live parts in position and external parts of insulating material providing protection against electric shock are subjected to 650176。 C glowwire test. Any flame or glowing of the specimen shall extinguish within 30 s of withdrawing the glowwire, Any flaming drop shall not ignite a piece of the tissue paper 固定帶電部件的絕緣部件