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球压测试请参考IEC60335-1 part 30.
/ A0 U" A6 N, }: H- d! _ {30 Resistance to heat and fire) Z# b5 Y! Z; n0 X( C
30.1 External parts of non-metallic material, parts of insulating material supporting live
: C) j4 W+ x. W5 o% \parts including connections, and parts of thermoplastic material providing supplementary
3 ? \3 l7 i3 D; vinsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
7 b5 `& g7 G F/ y* ]' J2 s- \5 b/ xcould cause the appliance to fail to comply with this standard.
9 l5 ~% { M; @- AThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring.. m; ^' A: }) \; O
Compliance is checked by subjecting the relevant part to the ball pressure test of
! Q) I- p" p' L7 a7 sIEC 60695-10-2.9 o0 \( v' m# X9 W" K% W8 O
The test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise
( M- G2 a. Y# O# O$ zdetermined during the test of clause 11, but it shall be at least
% x3 h& j% _5 r* I4 C N3 P$ Y– 75 °C ± 2 °C, for external parts;
. |0 k# [; `, k( l6 H– 125 °C ± 2 °C, for parts supporting live parts.
7 x- ]1 q6 _: ?8 {) VHowever, for parts of thermoplastic material providing supplementary insulation or7 I# [) n$ U, V7 \
reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the
& E& v, ^4 p6 d+ _- i) j: ]* K/ Hmaximum temperature rise determined during the tests of clause 19, if this is higher. The% a/ R( D* z4 \5 C8 M t8 R1 Y' W7 `* o
temperature rises of 19.4 are not taken into account provided that the test is terminated by% v- q( C5 m: O y* f
the operation of a non-self-resetting protective device and it is necessary to remove a' ?- Z* z6 l8 C+ t9 Z9 X9 v2 P
cover or use a tool to reset it.
a. @! n! _4 o6 O5 [60335-1 IEC:2001 – 177 –
" g6 T2 J3 Y6 j& I: |$ c! v7 XNOTE 1 For coil formers, only those parts that support or retain terminals in position are subjected to the test.9 W& d; c; v) k* I- i& `
NOTE 2 The test is not carriedout on parts of ceramic material.& q! h c, v; [( \+ M% i: k
NOTE 3 The selection and sequence of tests for resistance to heat are shown in figure O.1. |
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发表于 2009-8-27 15:03
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