|
|
# }9 i3 s' h- D x: i
: @* @) _$ I; c7 X | Temperature Tests
5 t- P r+ m9 X9 D8 g* F | 9.2- O. m: S7 m: i3 J7 u) Y4 U1 W+ i
| 61010-1(ed.1);am1;am2
- s9 h' o0 ^- W; S |
) O- y+ w0 Q7 R! U: c% W j
3 p5 y+ u, d# XStandard:
, i, i: i! W3 t) ZIEC 61010-1:1990 +A1:1992 + A2# m4 v/ u$ u8 K
:19958 Q8 F5 ~0 C- e Q T
Sub clause:
5 B$ {# [& E9 f8 G) Y9.2
4 g7 o) D& ^+ Q1 e" MSheet n. 335
3 l+ C, T6 q; D- ?6 _Page 1(1); ^% l; O! v* f+ v
Subject:
* Y5 f6 ], b( s( L/ X4 cTemperature tests4 L. c; M: v/ t3 Z6 b& I; M
Key words:$ Z8 M2 s" U5 N3 I. s
Steady state& D, ?5 U, Z P/ N) v: ?$ a
Decision n. 23 taken at% B/ `6 @8 ~; E0 E; B
37th meeting/2000# }* ]( V1 Y# A& c4 U
Question:0 B/ L, Z8 D( o4 w5 g' F7 X
In sub-clause, in 1st paragraph, what is meant by “steady state”?
1 b2 G4 [# B" G! KShould this term be defined?
4 }" P5 j7 Z) n! I4 |Decision:
! s" m7 k0 N' a7 ?Steady state is not defined in IEC61010-1. It has been agreed that where the1 D+ c4 }2 [4 i4 W
temperature rise is not greater than 2°C in 1 hour then it is reasonable to conclude that4 j# d+ E$ L. M' x1 }
steady state has been achieved. This limit is used in other safety standards for example
4 k' H# m! ]0 {8 z% x } \IEC60601-1.
9 y7 c2 Y1 K0 V$ i# s) K. dExplanatory Notes:8 B0 e) F1 z" H+ {
A part is regarded as having reached steady state temperature when the temperature rise over
- `2 g: p; `, B4 b. K S: h+ s: Ea+ [0 m. |$ m e! K7 T
long period is almost negligible. The 2°C rise in 1 hour is considered a reasonable limit0 G w, {! B6 e& A% D6 t% c3 q
for this purpose.$ j: d% m- i5 D4 `% L& ?
* e4 c7 _% f" L4 ?8 n
" Z) X" X! i4 k- n9 R: ]- d
2 @, ?- q; a# k/ R; l
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有帐号？注册安规
x
|
/2 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-19 13:49
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡