关于UL线缆测试的讨论贴!

xiaoxiangtongzi

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首先,
# q) \9 u+ B1 ~! M确认您的测试方法有没有问题.
确认你的测试仪器有没有问题
再确认您的材料.电线结构~~绝缘厚度等等~
: o' e' A+ l% s* s3 l我们这里都是送样15M标准长度测试的.
还没有抽到不行的样品.

xiaoxiangtongzi

感谢10楼!!
3 z1 m" L8 |; q+ I5 h: s资料非常好!呵呵~

xiaoxiangtongzi

就是加热变形测试.
) [1 y: X. O* o( h5 Z7 U8 {UL62里面有.
方法参照UL1581.
$ e: C# u; A- t! ~# R1 V具体条款等看一下标准再来说~呵呵~

xiaoxiangtongzi

UL62里,
heat deformation
9 d) |- y/ G. v- Z7 ]  z没有对SVOO有测试要求.
应该不要做这项测试~

xiaoxiangtongzi

NMX-J-191
Heat Deformation of Semiconductive Shielding, Insulations and Protective Coverings of Electrical
* b/ N+ U  B, g3 I+ ~: cConductors – Test Method

, G( X! Q. k8 L. ~8 l
" F; Z% j7 m. [$ T, k* r5.1.3 Deformation
5.1.3.1 Insulation
The insulation on single-conductor wires, and on the individual conductors (separated, in the case of
parallel cords), shall not decrease by more than 50% in thickness when subjected to a force caused by a
$ ?8 }# m( v  n% y! dmass as shown in Table 40, and while maintained at the temperature shown in Table 40 for 1 h.
5.1.3.2 Jacket
+ }7 T3 U  b0 z& USmoothed specimens of jackets from finished cords and cables shall not decrease by more than 50% in
' g( m, P" J( U7 S7 t' v$ Athickness when subjected to a force caused by a mass of 2000 g, and while maintained at the temperature
! g4 f0 V% A7 Lshown in Table 40 for 1 h.
5.1.3.3 Method
Compliance with Clauses 5.1.3.1 and 5.1.3.2 shall be determined in accordance with the method
( r, |. Q/ w5 e/ m* ?( S. y! m/ ldescribed in CSA C22.2 No. 0.3, Clause 4.3.6.1; UL 1581, Section 560; or NMX-J-191-ANCE.
) r% z, e7 J0 t  q
4 U* S: @' G; S0 L3 D+ d2 D" OUL62里有要求做此测试的电线型号里,没有SVOO的型号!

xiaoxiangtongzi

有的也叫加热变形试验-----实际与楼上李兄说的是一样的;
& h) a* t7 G% C) E# W0 |5 R例如--UL62规定:
NMX-J-191
% b* n4 U3 d& m) t* u2 C& cHeat Deformation of Semiconductive Shielding, Insulations and Protective Coverings of Electrical
' c, [6 f3 }, o# NConductors – Test Method

5.1.3 Deformation
. b- [: i2 [: M0 j$ m' F5.1.3.1 Insulation
The insulation on single-conductor wires, and on the individual conductors (separated, in the case of
parallel cords), shall not decrease by more than 50% in thickness when subjected to a force caused by a
+ ?  l5 \) K0 dmass as shown in Table 40, and while maintained at the temperature shown in Table 40 for 1 h.
' |' p. _9 I. L: }5.1.3.2 Jacket
, ~! u3 {) Q1 j5 ?0 g1 Y( K( HSmoothed specimens of jackets from finished cords and cables shall not decrease by more than 50% in
thickness when subjected to a force caused by a mass of 2000 g, and while maintained at the temperature
shown in Table 40 for 1 h.
2 y3 @4 m, J% c; a& S- s5.1.3.3 Method
5 ?4 _: F  U/ M8 W, d+ h/ E; c' kCompliance with Clauses 5.1.3.1 and 5.1.3.2 shall be determined in accordance with the method
described in CSA C22.2 No. 0.3, Clause 4.3.6.1; UL 1581, Section 560; or NMX-J-191-ANCE.

xiaoxiangtongzi

引用第53楼wangrang于2007-08-29 13:28发表的  :
有沒有誰比較了解HPN線材的耐電弧測試的呢?說說吧!

参照UL62 第 5.2.5~5.2.6条.UL62-2006版第49页.~呵呵~
5.2.5 Standard arcing test for Type HPN
3 j" i- Y" F  [0 U1 j" t: a; J1 S5.2.5.1 General
Type HPN cord shall not arc when a specimen of finished cord is connected at one end to a 120 V (rms)
! d) a* E6 X9 \  Z  s* u5 asource of supply through a 15 A fuse or circuit breaker and subjected to a standard test flame applied 13
- e: v, {/ o% d* `mm (0.5 in) from the other end of the specimen for 2 min. Compliance shall be determined in accordance
with the method described in Clause 5.2.5.2; CSA C22.2 No. 0.3, Clause 4.28.12; or UL 1581, Section 1670.
5.2.5.2 Test method
" L8 |( N9 ]. j7 |The specimen for test shall be of any suitable length. One end shall be cut off square, care being taken
" W6 a# i( V* l+ j4 A, J- ^, qthat the conductor ends are flush with the cut end of the cord. The cord shall be laid across a
5 Y. p6 {5 X5 z4 C8 a8 Y* L+ ononconductive surface, the square cut end protruding approximately 0.1 m (4.0 in) beyond the surface
edge. The opposite end shall be connected to the voltage source between the conductors of a
* Y- d9 r. }) q4 j. g+ l1 qtwo-conductor cord and between the circuit conductors joined together and the grounding conductor of a
three-conductor cord. Using a Tirrill, Bunsen, or similar appropriate gas burner, a standard test flame (as
described in Clause 5.1.5.1) shall be obtained. With its barrel vertical, the burner shall be placed under
2 o; e' ]+ Z' {the free end of the cord with the tip of the inner blue cone touching the flat underside of the specimen
midway between the conductors and 13 mm (0.5 in) from the square end for a 2 min period. The cord
. L- A+ R0 N% J; y; h: ndoes not comply if arcing occurs between the conductors during application of the flame or if the fuse or circuit breaker opens.
=======================
+ b) ^( U) g2 p* g, `5.2.6 Flex arcing test for Type HPN
===========================
5.2.6.2 Procedure
The procedure shall be as follows:~