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你做电池异常过充,应该是空电池吧
" W6 L7 ^5 O" j9 c* ^Overcharging of a rechargeable battery. The battery is charged under each of the
7 h# s, W" T+ U2 w/ B3 G4 ifollowing conditions in turn.0 D# R; k, l l( L8 k) e6 w
• The battery charging circuit is adjusted with the battery disconnected to give 106 % of
, A- p5 ^4 [2 b6 p& lthe rated output voltage of the charger, or the maximum charging voltage available0 J& Z5 a2 h! Z! n& e9 V! X5 Y: @% O
from the charger (without simulation of faults), whichever is the higher attainable" _! O" N5 f* ~& c9 q
value. The battery is then charged for 7 h. ^# ]& ~7 h# L& {3 z
• The battery charging circuit is adjusted, with the battery disconnected, to 100 % of the
( S& x% F h' [1 B. t+ C; C. }/ P: vrated output voltage of the charger. The battery is charged while briefly subjected to( Y+ y2 p$ W, `9 b4 q
the simulation of any single component failure that is likely to occur in the charging7 o% ^" F5 f( f0 ` |9 _+ L
circuit and that results in overcharging of the battery. To minimize testing time, the
0 u( K( H6 h) ^7 G% ^9 Wfailure is chosen that causes the highest overcharging current. The battery is then
8 J$ D9 f8 y8 `: ^; l# R7 e& `2 echarged for a single period of 7 h with that simulated failure in place. |
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