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    • 5. 发明授权
    • High voltage transformer for controlling inductance leakage
    • 用于控制电感泄漏的高压变压器
    • US07301430B1
    • 2007-11-27
    • US11434159
    • 2006-05-16
    • Chun-Kong ChanJeng-Shong WangJin-Jiun JiangChi-Ming Yang
    • Chun-Kong ChanJeng-Shong WangJin-Jiun JiangChi-Ming Yang
    • H01F5/00
    • H01F38/10
    • A high voltage transformer for controlling inductance leakage used for a multiple lamp driving system includes at least one wire frame, a first winding, a second winding, a first magnetic unit, and a second magnetic unit. There is a receiving space in the wire frame for receiving the first magnetic unit, and a first region and a second region is formed on its surface. The first winding and the second winding are individually wound at the first region and the second region. The second magnetic unit is covered on the side of the wire frame. On an appropriate location of the bottom of the second magnetic unit, a transverse beam extends. Thereby, the transverse beam fully separates the low voltage magnetic flux path produced on the first magnetic unit by the first winding and the second winding and the high voltage magnetic flux path produced by the AC.
    • 用于控制用于多灯驱动系统的电感泄漏的高压变压器包括至少一个线架,第一绕组,第二绕组,第一磁单元和第二磁单元。 在线框架中具有用于接收第一磁性单元的接收空间,并且在其表面上形成第一区域和第二区域。 第一绕组和第二绕组在第一区域和第二区域单独地卷绕。 第二磁性单元被覆盖在线框架的侧面上。 在第二磁性单元的底部的适当位置,横梁延伸。 由此,横梁通过第一绕组和第二绕组以及由AC产生的高压磁通路完全分离在第一磁性单元上产生的低压磁通路径。
    • 7. 发明申请
    • Circuit making use of push/pull-type control chip to drive half bridge-type inverter circuit
    • 电路采用推/拉式控制芯片驱动半桥式逆变电路
    • US20060050542A1
    • 2006-03-09
    • US10935128
    • 2004-09-08
    • Chun-Kong ChanJeng-Shong Wang
    • Chun-Kong ChanJeng-Shong Wang
    • H02M3/24
    • H02M1/08H02M3/337H05B41/2828
    • A circuit making use of a push/pull-type control chip to drive a half bridge-type inverter circuit connects a drive circuit to a conventional half bridge-type inverter circuit, and has a push/pull-type control chip having two output terminals, a drive circuit having two input terminals and two output terminals, and a half bridge-type switch assembly having two electronic switches. The two input terminals of the drive circuit are connected with the two output terminals of the push/pull-type control chip and controlled by the push/pull-type control chip. Each of the two electronic switches of the half bridge-type switch assembly has a control terminal, which is connected to one of the two output terminals of the drive circuit and driven by the drive circuit for converting a DC power source into an AC power source sent to the primary side of a transformer.
    • 利用推/拉式控制芯片驱动半桥式逆变器电路的电路将驱动电路连接到传统的半桥式逆变器电路,并具有具有两个输出端子的推/拉式控制芯片 具有两个输入端和两个输出端的驱动电路和具有两个电子开关的半桥式开关组件。 驱动电路的两个输入端子与推/拉式控制芯片的两个输出端子连接,并由推/拉式控制芯片控制。 半桥式开关组件的两个电子开关中的每一个具有控制端子,该控制端子连接到驱动电路的两个输出端子中的一个,并由用于将直流电源转换成AC电源的驱动电路驱动 发送到变压器的初级侧。
    • 8. 发明申请
    • Transformer structure
    • 变压器结构
    • US20050270133A1
    • 2005-12-08
    • US10862386
    • 2004-06-08
    • Chun-Kong ChanJeng-Shong Wang
    • Chun-Kong ChanJeng-Shong Wang
    • H01F3/10H01F3/12H01F27/24H01F27/255H01F38/10
    • H01F38/10H01F3/10H01F3/12H01F27/255
    • An improved transformer structure has a low-voltage side coil, two high-voltage side coils, two E-shaped magnetic cores and a C-shaped magnetic core. The two E-shaped magnetic cores and the C-shaped magnetic core are assembled with the low-voltage side coil and the two high-voltage side coils, respectively. Through the C-shaped magnetic core, when a short circuit occurs in the high-voltage side coil of the transformer, power conversion of the low-voltage side coil is not affected, hence accomplishing short-circuit protection of the transformer. Moreover, the counter magnetomotive force generated at the low-voltage side coil of the transformer can be reduced through the C-shaped magnetic core, hence protecting the low-voltage side coil and also decreasing heat generated by the transformer.
    • 改进的变压器结构具有低压侧线圈,两个高压侧线圈,两个E形磁芯和C形磁芯。 两个E形磁芯和C形磁芯分别与低压侧线圈和两个高压侧线圈组装。 通过C形磁芯,当变压器的高压侧线圈发生短路时,低压侧线圈的功率转换不受影响,从而实现变压器的短路保护。 此外,通过C形磁芯可以减小在变压器的低压侧线圈处产生的计数磁动势,从而保护低压侧线圈并减少由变压器产生的热量。
    • 9. 发明授权
    • Feedback voltage stabilizing apparatus, method, and power conversion system
    • 反馈稳压装置,方法和电源转换系统
    • US08278891B2
    • 2012-10-02
    • US12752764
    • 2010-04-01
    • Chun-Kong ChanPo-Yuan Yu
    • Chun-Kong ChanPo-Yuan Yu
    • G05F1/575H02J1/02
    • H02M1/14H02M1/44
    • Feedback voltage stabilizing apparatus, method, and power conversion system are disclosed. The apparatus includes a first switching unit, a second switching unit, and a conduction control unit. In which, the first switching unit is coupled to a feedback circuit for controlling whether a feedback signal is transmitted from a first end to a second end. The second switching unit is for avoiding voltage vibrations which caused by the feedback signal occurring at the second end. By capturing a detection signal, the conduction control unit can determine whether to simultaneously turn on the first switching unit and the second switching unit, in order to eliminate the voltage vibrations, or not.
    • 公开了反馈电压稳定装置,方法和功率转换系统。 该装置包括第一开关单元,第二开关单元和导通控制单元。 其中,第一开关单元耦合到反馈电路,用于控制反馈信号是否从第一端传输到第二端。 第二开关单元用于避免由在第二端发生的反馈信号引起的电压振动。 通过捕获检测信号,导通控制单元可以确定是否同时接通第一开关单元和第二开关单元,以便消除电压振动。