The invention belongs to the field of electric power and power electronic technology. The present invention includes the large dynamic range of DC stabilized power supply \and\ automatic voltage regulator, the two part \expanded\ a large dynamic range of DC power supply \function, to overcome the traditional final DC power supply without power consumption serious shortcomings, but also improve the reliability of the electronic device, the simplified mechanical structure or simplified electronic circuit.
【技术实现步骤摘要】
【技术保护点】
“节能电源”由“大动态范围直流稳压稳流电源”和“自动限压器”电路组成。“自动限压器”由“自控互控程控开关”改变而成,内部电路如图二(a)所示,由R↓[1至10]、B↓[1至6]、C↓[1至2]、BG↓[1至2]和开关K组成;“大动态范围直流稳压稳流电源”由“一种大动态范围直流稳压电源”改变而成,内部电路如图一所示,由R↓[1至18]、BG↓[1至9]、B↓[1至10]、C↓[1至7]、L↓[1至3]、K↓[1至4]组成。其特征有:(1)在“自动限压器”电路中,设置电压取样 电路,由R↓[7至10]、K、B↓[6]组成。V↓[3]和V↓[5]点通过K连结或断开,受控信号整流成直流电压后送到V↓[4]和V↓[5],经R↓[8]、R↓[10]串联分压点K↓[5]、R↓[7]、B↓[6]传到BG↓[2]基极G点,R↓9]连接在V↓[4]和G点之间。(2)在“大动态范围直流稳压稳流电源”电路中,设置恒流源B↓[7]、B↓[9]和开关K↓[2]、K↓[3],开关并联在恒流源两端,当开关接通时,使恒流源短路,实际电路中可取消被短路的恒流源,当开关开路时,恒流源起作用,这个开路开关在实际电路中可 ...
【技术特征摘要】
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