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我的理解是:工作电压只是针对器具中的部分电路而言的。比如风筒中马达的工作电压。(详见60335-2-23 19.101的条款):
; \3 r/ i5 _4 [( t6 g& S; x19.101 Hairdryers are operated as specified in Clause 11 except that the motor is supplied separately at its working voltage.
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Normal operation 一般会在特标第三章中有定义。还是拿60335-2-23来举例吧:- S w; e( R. b
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3.1.9 Replacement:
- Z9 U" z& ?# a- a; f9 s; p9 Pnormal operation5 b0 s( U! h- a( U
operation of the appliance under the following conditions
# w! B' d4 X* R. T' pHelmet-type hairdryers are operated with the axis of the hood inclined at an angle of 60° to
4 n% v. t( k" s* ]7 e: i# c* `; Gthe horizontal or the maximum angle allowed by the construction if this is less. A dull blackpainted
/ S: w( k4 h; {3 w5 h' uwooden sphere, 200 mm in diameter, is placed in the hood so that its centre coincides' k2 M1 ]& g+ P
with the axis of the hood, the shortest distance between the sphere and the air-outlet grille
) a7 _/ E, Z* Dbeing 50 mm.
- t! V4 H4 v1 \) b! E3 u' f0 h# RHairdryers having a flexible hood attachment are operated with the hood attachment placed
" M" O' ~9 ^) [3 Kover the wire frame of Figure 101, the frame being positioned over the wooden sphere.! ~/ Q- _1 g+ {! G& t
NOTE 101 Helmet-type hairdryers that are supported by the head are operated as hairdryers having a flexible
& N: W$ @- K- g* k- Q* F! Khood attachment.+ q- l- a* Y# b. N3 K
Hand-held hairdryers are operated with unrestricted airflow directed downwards.
: B8 a' g0 v9 Z6 L) q: O! ]9 r/ RPermanent-wave appliances are operated in the normal position of use, the curling rollers
% a' P: a7 t" \3 Khanging freely.+ ~, K! n# C9 R
Heaters for detachable curlers are operated in the normal position of use together with the8 V, u/ h+ [1 H7 U0 F+ W' x7 t
curlers.
; j" Z6 R6 m( W0 m$ W/ E$ KCurling irons, curling combs and similar appliances are operated with their major axis) z; v: m3 l. g6 E
horizontal.
" u5 Z& c% ?2 R# Q0 {Appliances having steam-producing or spray-producing devices are operated with the
7 z5 m# E# p1 S& }& | Tcontainer empty or filled, whichever is more unfavourable. However, if the appliance is
, S) Q' O3 X6 n' ymarked to indicate that it is to be used with the container filled, the container is filled. Water is
$ p x. a( ~( Y o' j: @7 a9 G6 Cadded, when necessary, to compensate for evaporation.5 n! w6 C- p" S5 Q. p
Hand dryers are operated in the normal position of use with unrestricted airflow.$ t0 N i3 c& @# ?/ j, v
Facial saunas are operated in the normal position of use and filled with water. Water is added,
" _! y8 \1 A O+ u" r" zwhen necessary, to maintain the steam output. |
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