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楼主: 贺小梅

[信息产品] 电池过充测试

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发表于 2011-11-16 09:46 | 显示全部楼层
广东安规检测
有限公司提供:
你做电池异常过充,应该是空电池吧7 M8 P& O2 i9 N; E6 h7 c7 D8 X
Overcharging of a rechargeable battery. The battery is charged under each of the
' N4 G8 o4 \! U2 afollowing conditions in turn.
9 a5 ~. j4 z% s8 k* i1 Z• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
" d# F0 x" G4 q. Xthe rated output voltage of the charger, or the maximum charging voltage available
* v! ~3 d& ?+ Y6 [from the charger (without simulation of faults), whichever is the higher attainable
/ a( t* J/ C& b* g9 evalue. The battery is then charged for 7 h.
4 X& q3 N  [; a3 A• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
' V5 G9 O( e! k3 H" h0 |5 o3 h* prated output voltage of the charger. The battery is charged while briefly subjected to
) z: g4 ?9 O5 [9 `1 Gthe simulation of any single component failure that is likely to occur in the charging- O( h- O; c' y: Z# ^. A6 @
circuit and that results in overcharging of the battery. To minimize testing time, the
" u: I2 ]( M* d4 K: ufailure is chosen that causes the highest overcharging current. The battery is then# x/ [# n9 D+ m0 Q( j( ~& x, D
charged for a single period of 7 h with that simulated failure in place.
发表于 2011-11-16 10:10 | 显示全部楼层
U1 Pin5-6, U2 输入到电池,R1短路就好了。。。
 楼主| 发表于 2011-11-28 17:38 | 显示全部楼层
引用第10楼琥珀流云于2011-11-16 09:46发表的  :" p7 y0 @5 Q- b$ r# [; d* t
你做电池异常过充,应该是空电池吧
' j: F( G5 O- l: z9 N6 B* jOvercharging of a rechargeable battery. The battery is charged under each of the# W8 E! e7 y/ c: Y: q' d2 {
following conditions in turn.
3 G' F9 ^3 C  r4 ~: V/ _% K; Y9 _9 R. ?( P• The battery charging circuit is adjusted with the battery disconnected to give 106 % of% R  M9 P* y# `
the rated output voltage of the charger, or the maximum charging voltage available
9 o$ {( Z  y. g$ `; |% ]) k.......
这个测试对于可充电电池来说,是要在饱和状态下做的。
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