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各位前辈,我想请教一个问题,就是吹风机19.2的测试条件:* @4 A. H6 g* q5 y( p$ Q
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19.2 Addition:
6 b# w5 W' [1 GRestricted heat dissipation is obtained as follows:- U% X# Q1 L; L6 d. w6 e. R- x+ G
– motors are disconnected;
% v' \! o, Q) O$ p/ l– hand-held hairdryers are placed on the floor of the test corner in any stable position5 W: c" i: P U) W7 ]% s
likely to occur;
* P' [4 V4 l8 ?- C0 Y– appliances intended to be filled with water are operated empty;
, }' Y) P0 N1 k- e. ~2 y+ a– hand-held appliances without an integral rest are placed on the floor of the test corner in0 o: ~$ U, V! q1 M' l
any stable position likely to occur.
! |+ i# T( q D! W: }' jHairdryers having a flexible hood attachment are also tested with the motor operating, the0 A' l0 W7 T% i
airflow through the hose being restricted to give the most unfavourable result.$ s3 o0 Q d- r v" \. _; h( i! r
Heaters for detachable curlers are placed on a piece of low-density glass-fibre insulation) A, F. z$ _# e
having a coefficient of thermal insulation of approximately 2,5 m2K/W.
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这些条件是独立的做多个实验 还是同时满足做一个实验?0 L' s5 v: ~1 {% A Z; E% D
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请大家指点,谢谢。
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