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电路设计->电源电路图->其他电源电路图->ZC-2-10A自动充电机电路--schematic of charger ZC-2-10A

ZC-2-10A自动充电机电路--schematic of charger ZC-2-10A

发布人:dolphin 时间:2016-08-24 收藏
ZC-2-10A自动充电机电路

单结晶体管BT33、C3、W1、W2等元件组成了弛张振荡器,其产生的脉冲信号经隔离二极管D4输送至可控硅SCR1的控制极,调整W1的阻值可改变SCR1的触发导通角,即改变了充电电流。可控硅SCR2、继电器J、W3、W4、D5等元件组成蓄电池充满电自动保护电路,当电池两端电压被充至W3、W4设定的上限值时,D5导通,SCR2受触发导通,LED2显示,继电器吸合,同时J切换到常开,切断了SCR1的控制脉冲集中,即停止对蓄电池的充电。K2为12V、24V电池充电的转换开关,图示置于12V档位。

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