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公开(公告)号:US06873240B2
公开(公告)日:2005-03-29
申请号:US10223684
申请日:2002-08-20
申请人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
发明人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
CPC分类号: H01F27/2847 , H01F2027/2857 , H02M1/126
摘要: A low noise, compact and low cost electric power converter employing a compact common mode transformer, and incorporating a line filter can reduce a leakage current, and can maintain predetermined leakage current reduction effect even if installation condition of the electric power converter or a characteristics of a semiconductor switching element is varied. The electric power converter including a capacitor, a first electrode, a second electrode, a first magnetic body, on which the first electrode and the second electrode are wound to form an LC composite element, connecting electrodes electrically connected to respective of both ends of the first and second electrodes, a second magnetic body for interlinking both ends of the first magnetic body, a coil wound around the second magnetic body in the same winding direction as the first and second electrodes wound around the first magnetic body and a resistor for shorting the output of the coil.
摘要翻译: 采用紧凑型共模变压器的低噪声,紧凑且低成本的电力转换器,并入线路滤波器可以减少泄漏电流,并且即使电力转换器的安装条件或者特性也可以保持预定的泄漏电流降低效果 半导体开关元件是变化的。 电力转换器包括电容器,第一电极,第二电极,第一磁体,第一电极和第二电极缠绕在其上以形成LC复合元件,连接电极相互电连接的电极 第一和第二电极,用于互连第一磁性体的两端的第二磁性体,缠绕在与第一和第二电极缠绕在第一磁性体上的第一和第二电极相同的卷绕方向上的第二磁性体周围的线圈和用于短路的电阻器 线圈的输出。
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公开(公告)号:US20050052271A1
公开(公告)日:2005-03-10
申请号:US10968169
申请日:2004-10-20
申请人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
发明人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
CPC分类号: H01F27/2847 , H01F2027/2857 , H02M1/126
摘要: A low noise, compact and low cost electric power converter employing a compact common mode transformer, and incorporating a line filter can reduce a leakage current, and can maintain predetermined leakage current reduction effect even if installation condition of the electric power converter or a characteristics of a semiconductor switching element is varied. The electric power converter including a capacitor, a first electrode, a second electrode, a first magnetic body, on which the first electrode and the second electrode are wound to form an LC composite element, connecting electrodes electrically connected to respective of both ends of the first and second electrodes, a second magnetic body for interlinking both ends of the first magnetic body, a coil wound around the second magnetic body in the same winding direction as the first and second electrodes wound around the first magnetic body and a resistor for shorting the output of the coil.
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公开(公告)号:US06927665B2
公开(公告)日:2005-08-09
申请号:US10968169
申请日:2004-10-20
申请人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
发明人: Kinya Nakatsu , Satoshi Ibori , Masayuki Hirota , Tooru Nakajima
CPC分类号: H01F27/2847 , H01F2027/2857 , H02M1/126
摘要: A low noise, compact and low cost electric power converter employing a compact common mode transformer, and incorporating a line filter can reduce a leakage current, and can maintain predetermined leakage current reduction effect even if installation condition of the electric power converter or a characteristics of a semiconductor switching element is varied. The electric power converter including a capacitor, a first electrode, a second electrode, a first magnetic body, on which the first electrode and the second electrode are wound to form an LC composite element, connecting electrodes electrically connected to respective of both ends of the first and second electrodes, a second magnetic body for interlinking both ends of the first magnetic body, a coil wound around the second magnetic body in the same winding direction as the first and second electrodes wound around the first magnetic body and a resistor for shorting the output of the coil.
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公开(公告)号:US20050135065A1
公开(公告)日:2005-06-23
申请号:US11011085
申请日:2004-12-15
申请人: Kinya Nakatsu , Naoki Takata , Masayuki Hirota , Satoshi Ibori , Tomoya Kamezawa
发明人: Kinya Nakatsu , Naoki Takata , Masayuki Hirota , Satoshi Ibori , Tomoya Kamezawa
CPC分类号: H01L23/4006 , H01L25/115 , H01L2023/4031 , H01L2023/405 , H01L2023/4081 , H01L2023/4087 , H01L2224/48091 , H01L2224/48137 , H01L2224/48247 , H01L2224/73265 , H01L2924/00014
摘要: An electric circuit module comprising: an electric device comprising an electric circuit to serve for passage and interruption of electric current, a packing material packing the electric circuit and a plurality of wiring members to electrically connect the electric circuit with an external circuit; and a heat sink to radiate heat from the electric device. The electric circuit module includes a fixture to fix the heat sink and the electric device together so that a heat radiating surface of the electric device comes into contact with the heat sink. The fixture is formed with a recess to accommodate therein a part of the electric device so that the heat radiating surface of the electric device is exposed from the fixture. When the electric device is fixed to the heat sink by the fixture, the heat radiating surface comes into contact with the heat sink.
摘要翻译: 一种电路模块,包括:电气装置,包括用于通过和中断电流的电路;包装电路的包装材料;以及多个布线构件,用于将电路与外部电路电连接; 以及散热器以从电气设备辐射热量。 电路模块包括将散热器和电气装置固定在一起的固定装置,使得电气装置的散热面与散热片接触。 固定装置形成有凹部,以容纳电气装置的一部分,使得电气装置的散热表面从固定装置露出。 当电子装置通过固定装置固定在散热片上时,散热面与散热片接触。
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公开(公告)号:US07206204B2
公开(公告)日:2007-04-17
申请号:US11011085
申请日:2004-12-15
申请人: Kinya Nakatsu , Naoki Takata , Masayuki Hirota , Satoshi Ibori , Tomoya Kamezawa
发明人: Kinya Nakatsu , Naoki Takata , Masayuki Hirota , Satoshi Ibori , Tomoya Kamezawa
IPC分类号: H05K7/20
CPC分类号: H01L23/4006 , H01L25/115 , H01L2023/4031 , H01L2023/405 , H01L2023/4081 , H01L2023/4087 , H01L2224/48091 , H01L2224/48137 , H01L2224/48247 , H01L2224/73265 , H01L2924/00014
摘要: An electric circuit module comprising: an electric device comprising an electric circuit to serve for passage and interruption of electric current, a packing material packing the electric circuit and a plurality of wiring members to electrically connect the electric circuit with an external circuit; and a heat sink to radiate heat from the electric device. The electric circuit module includes a fixture to fix the heat sink and the electric device together so that a heat radiating surface of the electric device comes into contact with the heat sink. The fixture is formed with a recess to accommodate therein a part of the electric device so that the heat radiating surface of the electric device is exposed from the fixture. When the electric device is fixed to the heat sink by the fixture, the heat radiating surface comes into contact with the heat sink.
摘要翻译: 一种电路模块,包括:电气装置,包括用于通过和中断电流的电路;包装电路的包装材料;以及多个布线构件,用于将电路与外部电路电连接; 以及散热器以从电气设备辐射热量。 电路模块包括将散热器和电气装置固定在一起的固定装置,使得电气装置的散热面与散热片接触。 固定装置形成有凹部,以容纳电气装置的一部分,使得电气装置的散热表面从固定装置露出。 当电子装置通过固定装置固定在散热片上时,散热面与散热片接触。
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公开(公告)号:US07151680B2
公开(公告)日:2006-12-19
申请号:US10444762
申请日:2003-05-22
IPC分类号: H02M3/335
CPC分类号: H02M1/36
摘要: An object of the present invention is to lower the voltage applied to the starting resistor of the starting circuit in a switching power supply circuit to reduce the power loss especially when the receiving voltage is high and thereby provide a small and inexpensive switching power supply circuit.According to the present invention, a switching power supply circuit comprises: a DC voltage section having two or more capacitors connected in series; and a PWM control circuit for receiving DC power supply from the DC voltage section and performing switching control on a primary side of a transformer in order for the switching power supply circuit to output a DC voltage of different voltage specifications; wherein the starting resistor for the PWM control circuit is connected to a connection point of the capacitors.
摘要翻译: 本发明的目的是降低施加到开关电源电路中的起动电路的启动电阻的电压,从而降低功率损耗,特别是当接收电压高时,从而提供小型廉价的开关电源电路。 根据本发明,开关电源电路包括:串联连接有两个或更多个电容器的直流电压部分; 以及PWM控制电路,用于从直流电压部分接收直流电源,并对变压器的初级侧进行开关控制,以使开关电源电路输出不同电压规格的直流电压; 其中用于PWM控制电路的启动电阻器连接到电容器的连接点。
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公开(公告)号:US07394668B2
公开(公告)日:2008-07-01
申请号:US11599220
申请日:2006-11-13
IPC分类号: H09M3/335
CPC分类号: H02M1/36
摘要: An object of the present invention is to lower the voltage applied to the starting resistor of the starting circuit in a switching power supply circuit to reduce the power loss especially when the receiving voltage is high and thereby provide a small and inexpensive switching power supply circuit.According to the present invention, a switching power supply circuit comprises: a DC voltage section having two or more capacitors connected in series; and a PWM control circuit for receiving DC power supply from the DC voltage section and performing switching control on a primary side of a transformer in order for the switching power supply circuit to output a DC voltage of different voltage specifications; wherein the starting resistor for the PWM control circuit is connected to a connection point of the capacitors.
摘要翻译: 本发明的目的是降低施加到开关电源电路中的起动电路的启动电阻的电压,从而降低功率损耗,特别是当接收电压高时,从而提供小型廉价的开关电源电路。 根据本发明,开关电源电路包括:串联连接有两个或更多个电容器的直流电压部分; 以及PWM控制电路,用于从直流电压部分接收直流电源,并对变压器的初级侧进行开关控制,以使开关电源电路输出不同电压规格的直流电压; 其中用于PWM控制电路的启动电阻器连接到电容器的连接点。
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公开(公告)号:US20080262750A1
公开(公告)日:2008-10-23
申请号:US12039979
申请日:2008-02-29
IPC分类号: G01B3/52
CPC分类号: H02M5/451
摘要: For applications in a facility where a power conversion apparatus is frequently started and stopped, a power conversion apparatus and a power cycle longevity estimation method are provided which improve an ease of use of the facility.The power conversion apparatus comprises power conversion circuits to supply ac power of variable voltage and variable frequency, a detection circuit to detect a temperature of the power semiconductor in the power conversion circuits, and a computation device to calculate a power cycle longevity of the power semiconductor based on a maximum temperature rise detected by the detection circuit.
摘要翻译: 对于电力转换装置频繁启动和停止的设施中的应用,提供了改善设施的易用性的电力转换装置和电力周期寿命估计方法。 功率转换装置包括用于提供可变电压和可变频率的交流功率的功率转换电路,用于检测功率转换电路中的功率半导体的温度的检测电路,以及用于计算功率半导体的功率周期寿命的计算装置 基于由检测电路检测到的最大温升。
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公开(公告)号:US20070058400A1
公开(公告)日:2007-03-15
申请号:US11599220
申请日:2006-11-13
申请人: Tetsuya Kimura , Satoshi Ibori , Masayuki Hirota
发明人: Tetsuya Kimura , Satoshi Ibori , Masayuki Hirota
IPC分类号: H02M3/335
CPC分类号: H02M1/36
摘要: An object of the present invention is to lower the voltage applied to the starting resistor of the starting circuit in a switching power supply circuit to reduce the power loss especially when the receiving voltage is high and thereby provide a small and inexpensive switching power supply circuit. According to the present invention, a switching power supply circuit comprises: a DC voltage section having two or more capacitors connected in series; and a PWM control circuit for receiving DC power supply from the DC voltage section and performing switching control on a primary side of a transformer in order for the switching power supply circuit to output a DC voltage of different voltage specifications; wherein the starting resistor for the PWM control circuit is connected to a connection point of the capacitors.
摘要翻译: 本发明的目的是降低施加到开关电源电路中的起动电路的启动电阻的电压,从而降低功率损耗,特别是当接收电压高时,从而提供小型廉价的开关电源电路。 根据本发明,开关电源电路包括:串联连接有两个或更多个电容器的直流电压部分; 以及PWM控制电路,用于从直流电压部分接收直流电源,并对变压器的初级侧进行开关控制,以使开关电源电路输出不同电压规格的直流电压; 其中用于PWM控制电路的启动电阻器连接到电容器的连接点。
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公开(公告)号:US20080212279A1
公开(公告)日:2008-09-04
申请号:US11852545
申请日:2007-09-10
申请人: Masayuki Hirota , Mingxi Huang , Satoshi Ibori , Yutaka Maeno
发明人: Masayuki Hirota , Mingxi Huang , Satoshi Ibori , Yutaka Maeno
IPC分类号: H05K7/20
CPC分类号: H05K7/20909
摘要: A frequency converter includes a radiating section having a base and fins for radiating heat from a power semiconductor, a circuit substrate being provided at an opposite side of the fins with respect to the base, a housing that covers the circuit substrate, a guide for flowing air between the housing and the circuit substrate toward a downstream side of the fins, and a fan. The fan flows the air flown to the downstream side of the fins by the guide toward an upstream side of the fins.
摘要翻译: 一种变频器包括具有底座的散热部件和用于从功率半导体辐射热量的翅片,电路基板相对于基座设置在翅片的相对侧,覆盖电路基板的壳体,流动用引导件 壳体和电路基板之间朝向翅片的下游侧的空气和风扇。 风扇通过引导件将流过翅片的下游侧的空气流向散热片的上游侧。
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