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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 _: N, V& U9 w) L19.101 Hairdryers are operated as specified in Clause 11 except that the motor is supplied separately at its working voltage.
" ~& q7 k: `; R* k/ z* b3 p, B2 C/ Q- G4 T4 q
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：
* M$ z( {; m1 ?
' [' F5 ~/ C: J4 x5 v: x" ~3.1.9 Replacement:) C6 J+ v v" e6 \# S( W- v# ]
normal operation
9 L- L7 i/ r9 J) o1 z; Soperation of the appliance under the following conditions- Q Y9 P/ D8 F( m. L, y8 ~" i K
Helmet-type hairdryers are operated with the axis of the hood inclined at an angle of 60° to9 f, s" X, b+ Y, w x' ^
the horizontal or the maximum angle allowed by the construction if this is less. A dull blackpainted; \4 H1 B( ]( [
wooden sphere, 200 mm in diameter, is placed in the hood so that its centre coincides# x7 {/ Y/ c3 w; l1 t) z1 ]
with the axis of the hood, the shortest distance between the sphere and the air-outlet grille* A4 Z P, V+ |5 F& n# t T
being 50 mm.1 A! c: `3 j$ G( s* g; a( f3 i. a
Hairdryers having a flexible hood attachment are operated with the hood attachment placed5 i. N9 a+ n1 P9 \% X1 {
over the wire frame of Figure 101, the frame being positioned over the wooden sphere.
. ]2 {3 ^1 h* K# |; l% o: @NOTE 101 Helmet-type hairdryers that are supported by the head are operated as hairdryers having a flexible, e, T7 P: j O4 j- y6 u% Y2 L
hood attachment.0 o- z! D/ ~7 e
Hand-held hairdryers are operated with unrestricted airflow directed downwards.4 j$ o3 ?) C, N4 K0 C1 b
Permanent-wave appliances are operated in the normal position of use, the curling rollers
G8 D, Y1 v! F' O# a( U6 q- Rhanging freely." k* h% r# j8 U# W
Heaters for detachable curlers are operated in the normal position of use together with the
& Y7 Z( X, n3 a( m* b6 Ocurlers.& L( i# e. y; W% p2 q4 K. }0 S' }& j
Curling irons, curling combs and similar appliances are operated with their major axis9 w) D8 }: U! U3 P6 u z8 F
horizontal.
# V* o+ [. S/ }7 |4 R$ y3 S% rAppliances having steam-producing or spray-producing devices are operated with the
; f; D7 {9 Y7 o* X5 lcontainer empty or filled, whichever is more unfavourable. However, if the appliance is
2 G( `: _! u# Wmarked to indicate that it is to be used with the container filled, the container is filled. Water is" o; q+ L X/ o
added, when necessary, to compensate for evaporation.
$ m- q0 J- d# _/ WHand dryers are operated in the normal position of use with unrestricted airflow.
9 A) \1 m* z% E6 D/ ~$ JFacial saunas are operated in the normal position of use and filled with water. Water is added, ?$ L. F8 b' \
when necessary, to maintain the steam output. |
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发表于 2011-3-24 22:10
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发表于 2011-3-25 08:02
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