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球压测试请参考IEC60335-1 part 30.
! D- l! ^0 U2 p1 ~# _' @, u30 Resistance to heat and fire9 f+ c6 Z/ D( Z7 h. Z5 u* }7 M
30.1 External parts of non-metallic material, parts of insulating material supporting live
( z. ?2 ^+ q+ V% T% c1 y, M0 pparts including connections, and parts of thermoplastic material providing supplementary
2 E3 K C( C$ ]* linsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration" Y* j/ t6 }& {3 U* b$ }2 B, u+ ?, k
could cause the appliance to fail to comply with this standard.7 d4 s9 |9 E( D T5 f. o2 N
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
; }, g5 |9 V% zCompliance is checked by subjecting the relevant part to the ball pressure test of1 @$ ?$ R' U) j! q+ m+ g1 v5 y
IEC 60695-10-2.
h/ v, b3 h& s1 l jThe test is carried out at a temperature of 40 °C ± 2 °C plus the maximum temperature rise' _0 G- V1 {3 n, M( y7 Q
determined during the test of clause 11, but it shall be at least
; j. f% D3 r2 r- ^1 Z. v' D7 X! q* `) B– 75 °C ± 2 °C, for external parts;# f# i1 b; z3 g% h. w4 H' e N% O
– 125 °C ± 2 °C, for parts supporting live parts.
* O) p% [0 a9 C0 t3 s2 M9 r* SHowever, for parts of thermoplastic material providing supplementary insulation or7 i1 {: X9 |) g! o
reinforced insulation, the test is carried out at a temperature of 25 °C ± 2 °C plus the
& p5 @, i- I: V6 Lmaximum temperature rise determined during the tests of clause 19, if this is higher. The
; S& p8 Q) @0 O1 E8 D& \! ctemperature rises of 19.4 are not taken into account provided that the test is terminated by
. w+ Z' Q( C! b, Dthe operation of a non-self-resetting protective device and it is necessary to remove a
d# f# u% \8 n. v/ z1 j* ecover or use a tool to reset it.1 e/ n, ]) M, @8 q
60335-1 IEC:2001 – 177 –% m4 f% ]/ Q7 @$ }
NOTE 1 For coil formers, only those parts that support or retain terminals in position are subjected to the test.
$ ~2 B: m/ H. u) e, [1 w% o1 DNOTE 2 The test is not carriedout on parts of ceramic material.
% u# j1 c% k8 c- g" O, M( g- o$ p/ m' gNOTE 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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