PC电源侧面网状风孔要求

八戒

广东安规检测
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据IEC60950  4.6.1对侧面开孔的要求，说是需要设计成百叶窗之类的结构，来防止外来物的进入，

但现在的PC电源网状出风散热孔都垂直的，为什么也可以符合要求呢？求各位大神指点

Nezof

垂直有尺寸要求的吧

qiclaire

4.6.1顶部与侧面开孔有5条要求是或的关系，如果不满足百叶窗，可以按照5mm开孔或者5°投影来判定

xcc2014

是不是PC电源是内装的，开孔的问题应该有外部外壳保证

45550629

垂直的开孔尺寸符合标准要求也是可以接受的

zuo

Compliance is checked by inspection and measurement. Except for that portion of the side of
. `- B, I8 i" `3 _/ z: b5 ^, L  ba FIRE ENCLOSURE that is subject to the requirements of 4.6.2 (see above paragraph), any one
of the following is considered to satisfy the requirements (other constructions are not
/ K0 V, @3 L1 ]% Cexcluded):
6 K, T7 L" m" w− openings that do not exceed 5 mm in any dimension;
5 T$ K9 a* Q' t, z- d− openings that do not exceed 1 mm in width regardless of length;
. c5 S& I  i, F! N− top openings in which vertical entry is prevented (see Figure 4B for examples);
− side openings provided with louvres that are shaped to deflect outwards an external
) ]6 J  l! g. i7 z2 gvertically falling object (see Figure 4C for examples);
# U- x. U  X2 A" e( }! @− top or side openings, as shown in Figure 4D, that are not located vertically, or within a
7 G  k2 [4 {9 Q( y$ T! M( xvolume V bounded by a 5° vertical projection up to the size of opening L, above bare
conductive parts:
  e# Y& F' F& v• at HAZARDOUS VOLTAGE, or
) c) Z: K" S! M) s• that present an energy hazard within the meaning of 2.1.1.5.

5 Z7 o" ?$ T. S) Y* R8 o画重点：
  p: r8 d% A1 a/ U. {any one
of the following is considered to satisfy the requirements (other constructions are not
: G0 o7 W. v9 R: ]1 ~& Xexcluded)