公开(公告)号：US20150002043A1

公开(公告)日：2015-01-01

申请号：US14063744

申请日：2013-10-25

Applicant: University of Seoul Industry Cooperation Foundation ,  SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Dae Hoon HAN ,  Seo Hyung KIM ,  Seung Ryung RYU ,  Joong Ho CHOI ,  Hong Jin KIM ,  Joo Hyung LEE ,  Jae Shin LEE ,  Kang Yoon LEE

IPC: H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0818 ,  Y02B20/346

Abstract: There are provided a power supply apparatus switching a power input to a primary side to supply the power to a predetermined load connected to a secondary side electrically insulated from the primary side and a control circuit thereof, the control circuit generating a predetermined PWM signal to apply the generated PWM signal to a dimming switch connected to an end of the load and controlling a switching frequency of the primary side based on a control voltage generated according to a feedback signal depending on the power supplied to the load and the PWM signal, wherein a voltage variation amount of the control voltage may be constantly maintained regardless of a duty of the PWM signal.

Abstract translation: 提供一种电源装置，其将电力输入切换到初级侧，以向连接到与初级侧电绝缘的次级侧的预定负载及其控制电路供电，所述控制电路产生预定的PWM信号以施加 所产生的PWM信号到连接到负载端的调光开关，并且根据根据提供给负载的功率和PWM信号的功率根据反馈信号产生的控制电压来控制初级侧的开关频率，其中a 控制电压的电压变化量可以恒定地维持，而与PWM信号的占空比无关。

公开(公告)号：US20140160807A1

公开(公告)日：2014-06-12

申请号：US13895234

申请日：2013-05-15

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Dae Hoon HAN ,  Seo Hyung KIM ,  Joon Youp SUNG ,  Jung Eui PARK ,  Jung Sun KWON ,  Jae Shin LEE

IPC: H02M3/335 ,  H05B33/08

CPC classification number: H02M3/33523 ,  H02M2001/0058 ,  H05B33/0809 ,  Y02B70/1491

Abstract: There is provided a power supply apparatus capable of precisely control a primary side switching frequency at a secondary side by receiving fed-back information regarding a power state at the secondary side without a separate expensive circuit or a complicated circuit. The power supply apparatus includes: a power supplying unit having a primary side and a secondary side having different ground electrical characteristics, switching power input to the primary side, and transferring the switched power to the second side electrically insulated from the primary side to supply the power; a controlling unit provided on the secondary side and receiving fed-back information regarding a power state of the power supplying unit to control a maximum value and a minimum value of a switching frequency of the primary side; and a transferring unit transferring a control signal from the controlling unit to the primary side of the power supplying unit.

Abstract translation: 提供一种能够通过接收关于次级侧的功率状态的反馈信息而不需要单独的昂贵电路或复杂的电路来精确地控制次级侧的初级侧开关频率的电源装置。 电源装置包括：具有初级侧和次级侧的供电单元，其具有不同的接地电特性，输入到初级侧的开关电力，并将开关电力传送到与初级侧电绝缘的第二侧， 功率; 控制单元，设置在次级侧，并接收关于供电单元的功率状态的反馈信息，以控制初级侧的开关频率的最大值和最小值; 以及传送单元，其将控制信号从所述控制单元传送到所述供电单元的所述初级侧。