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这个是60065 9.1.1.2章节内容
* y% u2 K1 a- W% y9.1.1.2 Determination of ACCESSIBLE parts; m7 R) s) \3 H# a
In order to determine whether a HAZARDOUS LIVE part is ACCESSIBLE, the jointed test finger
Y( X9 a9 d z0 R3 Oaccording to test probe B of IEC 61032, is pushed against the enclosure or inserted through
: P0 G5 b) R9 R$ v0 I! p8 e$ tany openings of the enclosure, including openings in the bottom, without appreciable force.
- J* v5 B, p2 {4 E8 kThrough openings, the test finger is applied to any depth that the finger will permit and
' z/ n6 s1 A5 [4 O/ g, ~2 Q" j9 Fis rotated or angled before, during and after insertion to any position. If the opening does7 Q) Y( U" _" B
not allow the entry of the finger, the force on the finger in the straight position is increased to% ]( {2 s3 M9 w/ C8 W) L2 \, C
20 N ± 2 N and the test repeated with the finger in angled position.& [& F, A+ O: j5 F0 L7 t
The test is repeated using small finger probes according to test probes 18 and 19 of' y- \) j2 x% _' ^& V1 D+ a1 s
IEC 61032. This does not apply if the intended conditions of use prevent the apparatus from
" a5 E4 A i. M. B2 lbeing accessed by children.& j7 R( H- ~* Q8 D6 \, c+ q
Conductive parts, covered only by lacquer, solvent-based enamel, ordinary paper, untreated( @. I( p, r7 p v L' h, d
textile, oxide films or beads are considered to be bare.
) I+ S6 p9 \& Q' h& i+ ZMoving parts of loudspeaker systems, such as dust caps or cones of drivers or passive
9 `' m8 e1 u% v0 k, H1 F) `+ Fradiators, are not regarded as preventing accessibility.
/ i0 M% y1 p* X
9 s8 r2 a# [2 `) M7 E+ f1 p一般整改方案,可以在喇叭开孔用金属片挡住,test probe B of IEC 61032,test probes 18 and 19 of! p" W+ j. {4 g& B
IEC 61032探不到危险带电体就OK。 |
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