标题: 如何对电吹风分离电路做39.3.3和39.3.4？UL859 [打印本页] 作者: shixiafeng 时间: 2009-5-30 17:21 标题: 如何对电吹风分离电路做39.3.3和39.3.4？UL859 如何对电吹风分离电路做39.3.3和39.3.4？UL859 ; _ F. h8 D& I$ TThe air inlet opening shall be gradually obstructed until the operation of all circuits is interrupted 7 \! q3 K: J: v* f, u, d. P; wby the functioning of a limit or a temperature control, or until ultimate results are otherwise obtained . d6 ]& \$ F4 G0 {$ Q39.3.4.2 The air outlet is to be gradually obstructed using masking tape such that approximately 50, 75, ' F `* X+ v& P+ G90, and 100 percent of the outlet opening area is progressively blocked for 3 minutes at each of the four( M* n6 }5 d* U$ i
positions. For each of three samples, the location at which the blocking begins (the top, a side, or bottom); b' ~, l4 l! ^* {
is to progress in the same direction in which it was started and is to be such that the limit control will% F' j# o( z( S) L' J5 D
remain in the air flow for the longest possible time as blocking progresses. If temperatures cause / F* j: I# S% ]' j9 ]degradation of the tape, or if the use of tape would cause deformation of an outlet nozzle, a metal plate( q3 C- L0 r. r* b, Z2 k5 C, B
or other material resistant to combustion may be used to block the outlet opening. If the final 100 percent) a* {8 s3 _( ]* s. h
blockage test does not result in interruption of all heater and motor circuits by a limit control, the test is to3 ]" G/ T4 Y3 E
be continued, at 100 percent blockage, for 7-1/2 hours, at which time ultimate results are considered to # J- F7 p" T) r: qbe achieved. * a0 R8 `2 v- M9 M4 ]! r是不是TCO动作了不停止了，还是做到最终结果或者是FUSE开路?作者: feel100% 时间: 2009-5-31 10:05
分离线路 ' T" @6 b$ ^$ k9 R) p. ?+ f, S对于堵入风测试，做到FUSE Open如果盖上十层毛巾FUSE还没断开的话，就盖着十层毛巾运行7.5h $ Q. j$ `+ Z' t# L7 P( T4 p' \8 g # e8 `& P5 I! u z+ h/ O3 u对于堵出风测试也一样是做到FUSE Open,或堵到100% fuse还没断开的话，就堵着100%运行7.5H作者: xuewenfei 时间: 2009-5-31 10:15
提示: 作者被禁止或删除 内容自动屏蔽作者: tianchi0305 时间: 2009-5-31 12:37
第一句中的until the operation of all circuits is interrupted 就说明是要所有的线路都要断开，而分离线路中TCO动作是还有功率的所以要等FUSE断开作者: lsj7250 时间: 2009-6-5 19:10
如果是分离线路，跳制先断开后，马达在工作，是否算通过？请指教?作者: xuewenfei 时间: 2009-6-5 19:30
提示: 作者被禁止或删除 内容自动屏蔽作者: shixiafeng 时间: 2009-6-7 21:54
谢谢指教，解决了我的问题作者: longclever 时间: 2009-6-8 16:46
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