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用于空气净化器的光耦供电电路

申请公布号:CN205945509U

申请号:CN201620616861.7

申请日期:2016.06.21

申请公布日期:2017.02.08

申请人:
杭州翔泰电器有限公司

发明人:汪骏;徐永根

分类号:H02M1/092(2006.01)I;H02P27/08(2006.01)I

主分类号:H02M1/092(2006.01)I

地址:311112 浙江省杭州市余杭区良渚街道姚家路5号

摘要:本实用新型涉及空气净化器技术领域,涉及一种用于空气净化器的光耦供电电路。其包括:开关电源、开关变压器、+5V输出电路、+12V输出电路、反馈电路、光耦供电电路以及光耦;光耦输入端设有控制单元,光耦输出端设有可控硅电路,控制单元用于通过光耦对可控硅电路的通断进行控制。本实用新型能够在对同等骨架变压器进行较小线路改动的情况下,较佳的为光耦提供驱动电源。

主权项:用于空气净化器的光耦供电电路,其特征在于:包括开关电源,其用于将220V交流电转换为310V的高频直流电并输出;开关变压器,其用于对开关电源提供310V的高频直流电进行电压变换;+5V输出电路,其用于通过一次级线圈与开关变压器相连并输出+5V直流电;+12V输出电路,其用于通过另一次级线圈与开关变压器相连并输出+12V直流电;反馈电路,其用于通过一检测线圈与开关变压器相连,以对开关变压器初级线圈处的输入电压进行检测并反馈给开关电源,从而实现对开关电源输出电压的调节;光耦供电电路,其与反馈电路连接并输出光耦驱动电压;以及光耦,其采用光耦驱动电压为驱动电源;光耦输入端设有控制单元,光耦输出端设有可控硅电路,控制单元用于通过光耦对可控硅电路的通断进行控制。

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