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1. 发明专利

JP2005006426A Parallel gate drive circuit 审中-公开
标题翻译：并联门驱动电路
公开(公告)号：JP2005006426A
公开(公告)日：2005-01-06
申请号：JP2003167798
申请日：2003-06-12
申请人： Toshiba Corp , 株式会社東芝
发明人： KAWAKAMI KAZUTO , SHIMOURA TAKUJI
IPC分类号： H02M1/08 , H03K17/12
摘要： PROBLEM TO BE SOLVED: To stabilize the potential of a gate drive circuit by making the same potentials of the reference-potential side output terminal of the gate drive circuit and each emitter side of a plurality of parallel-connected switching elements, while suppressing current imbalances or unstable phenomena of the plurality of parallel-connected switching elements, and to prevent an abnormal voltage from being applied to the gate drive circuit.
SOLUTION: The parallel gate drive circuit, is characterised in that a control line 12 from the gate drive circuit 10 is directly connected to only one of the plurality of parallel-connected switching elements 1, 2, and a control line 11 is made to penetrate an individual annular core 7a and connected to the other switching element.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了通过使栅极驱动电路的基准电位侧输出端子和多个并联的开关元件的每个发射极侧的电位相同来稳定栅极驱动电路的电位，同时抑制多个并联开关元件的电流不平衡或不稳定现象，并且防止异常电压施加到栅极驱动电路。并联栅极驱动电路的特征在于，来自栅极驱动电路10的控制线12直接连接到多个并联开关元件1,2中的一个，并且控制线11为使其穿过单独的环形芯7a并连接到另一个开关元件。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2004248458A Driving device for hybrid electric vehicle 审中-公开
标题翻译：混合电动车辆的驱动装置
公开(公告)号：JP2004248458A
公开(公告)日：2004-09-02
申请号：JP2003037588
申请日：2003-02-17
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKAMURA HARUHISA , KAWAKAMI KAZUTO
IPC分类号： B60W20/00 , B60K6/485 , B60L3/06 , B60L11/14 , B60W10/08 , H02P27/06 , B60K6/04 , H02P7/63
CPC分类号： Y02T10/642 , Y02T10/7077 , Y02T10/7241
摘要： PROBLEM TO BE SOLVED: To realize a converter for hybrid electric vehicle which is reliable and starts an engine with a reduced current command at a high ambient temperature, at which high torque required to start the engine at low temperature is not required. SOLUTION: The driving device for a hybrid electric vehicle comprises an internal combustion engine 1, an ac motor 2 mechanically connected with the internal combustion engine 1, an inverter arrangement 3 for driving the ac motor 2, a dc power source 4 which supplies the inverter arrangement 3 with dc power, a control circuit 34 which controls the inverter arrangement 3, and a temperature detecting means which directly or indirectly detects the temperature of the internal combustion engine. The current supplied from the inverter arrangement 3 to the ac motor 2 is limited to a first current value lower than the limit current value of the inverter arrangement 3 according to the temperature detected by the temperature detecting means. COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：为了实现可靠的变频器，并且不需要在低温下启动发动机所需的高扭矩，在低的环境温度下以降低的电流指令启动发动机。解决方案：混合电动车辆的驱动装置包括内燃机1，与内燃机1机械连接的交流电动机2，用于驱动交流电动机2的逆变器装置3，直流电源4，向逆变器装置3提供直流电力，控制逆变器装置3的控制电路34以及直接或间接检测内燃机的温度的温度检测装置。从逆变器装置3向交流电动机2提供的电流根据由温度检测装置检测到的温度被限制为低于逆变器装置3的极限电流值的第一电流值。版权所有（C）2004，JPO＆NCIPI

3. 发明专利

JP2004045343A Life diagnostic method and device of solder joint part 审中-公开
公开(公告)号：JP2004045343A
公开(公告)日：2004-02-12
申请号：JP2002206297
申请日：2002-07-15
申请人： Toshiba Corp , 株式会社東芝
发明人： KURI YUUJI , KATO MASAMITSU , KAWAKAMI KAZUTO
IPC分类号： G01N17/00 , H05K3/34
摘要： PROBLEM TO BE SOLVED: To calculate a rupture life of a solder joint part accurately, quickly and nondestructively.
SOLUTION: This life diagnostic device 20 of the solder joint part for diagnosing the rupture life N
f from crack generation to rupture of the solder joint part for jointing a part to a substrate is equipped with a memory part 21 for storing correlatively beforehand each part, an electrode structure and a crack progressing speed, and storing arrangement of each part on the substrate, a temperature measuring part 22 for measuring the temperature of each part mounted on the substrate, and a data processing part 23 for specifying a part receiving the maximum temperature stress referring to the memory part 21 based on a measurement result by the temperature measuring part 22, setting a corresponding crack progressing pace k referring to the memory part 21 relative to the specified part, and calculating the rupture life N
f based on the crack progressing speed k.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2004233146A Method and apparatus for diagnosing deterioration of lead-free solder and lead-free solder alloy 有权
公开(公告)号：JP2004233146A
公开(公告)日：2004-08-19
申请号：JP2003020450
申请日：2003-01-29
申请人： Toshiba Corp , 株式会社東芝
发明人： KURI YUUJI , KATO MASAMITSU , KAWAKAMI KAZUTO
IPC分类号： G01N17/00 , B23K35/26
摘要： PROBLEM TO BE SOLVED: To easily diagnose the deterioration of lead-free solder.
SOLUTION: The method for diagnosing the deterioration of lead-free solder includes a process A6 for exposing the metal texture of the cross section of the lead-free solder by polishing the surface of the lead-free solder, an observation process A7 for observing the metal texture of the cross section of the polished lead-free solder and a process A7 wherein the deterioration parameter set on the basis of a deterioration index, which is obtained from the image data of the metal texture of the cross section of the lead-free solder as a result of observation, is compared with a diterioration parameter set on the basis of a predetermined deterioration index to judge whether the deterioration parameter obtained from the metal texture coincides with the predetermined deterioration parameter as a result of comparison and the deterioration of the lead-free solder is diagnosed on the basis of the judgement result.
COPYRIGHT: (C)2004,JPO&NCIPI

5. 发明专利

JP2004229409A Power converter for electric automobile 有权
公开(公告)号：JP2004229409A
公开(公告)日：2004-08-12
申请号：JP2003014333
申请日：2003-01-23
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKAMURA HARUHISA , KAWAKAMI KAZUTO
IPC分类号： B60L9/18 , H02P21/00 , H02P27/04 , H02P27/06 , H02P7/63
CPC分类号： Y02T10/7241
摘要： PROBLEM TO BE SOLVED: To provide a power converter for an electric automobile equipped with a rational control system for enhancing the efficiency of an inverter having a step-up/down chopper and reducing the noise of a motor.
SOLUTION: The power converter for the electric automobile comprises a DC power supply 4, a chopper circuit 31 for converting a DC power supply voltage into a desired DC voltage by a reactor 1, an inverter circuit 33 for inverting a DC output from the chopper circuit 31 into an AC output for driving an AC motor 2 by a smoothing capacitor 32, and a control circuit 34 for controlling the chopper circuit 31 and the inverter circuit 33. The control circuit 34 separates a current into an exciting component and a torque component by vector control and operates a DC voltage command vdc* of the chopper circuit based on the deviation of the currents from their command values.
COPYRIGHT: (C)2004,JPO&NCIPI

6. 发明专利

JP2002369504A Power converter 审中-公开
标题翻译：电源转换器
公开(公告)号：JP2002369504A
公开(公告)日：2002-12-20
申请号：JP2001166728
申请日：2001-06-01
申请人： Toshiba Corp , 株式会社東芝
发明人： KAWAKAMI KAZUTO , TAKAMURA HARUHISA
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a power converter that is prevented from deteriorating and breaking down by an increase in switching loss of a semiconductor element.
SOLUTION: When the duty outputted from a controller 111 to control the turning-on/off time of the semiconductor element 103 sets the turned-off time of the element 103 a preset minimum turning-off time or shorter, a limiter 1 prevents the element 103 from being switched within the minimum turning-off time or shorter by changing the contents of the duty outputted from the controller 111, so that the duty is such that the turning-off time of the element 103 becomes the minimum turning-off time or shorter.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种由于半导体元件的开关损耗的增加而防止劣化和分解的功率转换器。解决方案：当从控制器111输出的用于控制半导体元件103的导通/关断时间的占空比将元件103的截止时间设置为预设的最小关断时间或更短时，限制器1防止元件 103通过改变从控制器111输出的占空比在最小关闭时间或更短时间内切换，使得占空比使得元件103的关闭时间变为最小关闭时间或较短

7. 发明专利

JP2002369548A Power converter 审中-公开
标题翻译：电源转换器
公开(公告)号：JP2002369548A
公开(公告)日：2002-12-20
申请号：JP2001167055
申请日：2001-06-01
申请人： Toshiba Corp , 株式会社東芝
发明人： SHIMOURA TAKUJI , KAMIYA KENJI , KAWAKAMI KAZUTO
IPC分类号： H02M1/00 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a power converter, capable of making a current flow through respective elements so as to be balanced, even if the currents of the elements connected parallelly has slight by different properties, by manufacturing the shape of a conductor for connecting a thyristor with other circuits, so as to be extended in the direction of a path through which current flows. SOLUTION: This power converter includes a plurality of semiconductor elements connected in parallel, and adjusts power supplied to a load by passing or cutting off current flowing through the semiconductor elements. The conductor is formed out of a conductor part which has a long side in a current-flowing direction and a short side in the direction orthogonal to the current flowing- direction, and the connection part of connecting one side in the longitudinal direction of the conductor part, which has the long side in the current-flowing direction and the short side in the direction orthogonal to the current-flowing direction, to the respective semiconductor elements, and connecting the other side thereof in common. Non uniformity of current, flowing through the semiconductor element connected in parallel without having to provide electrical parts, such as a resistor connected in series with the semiconductor elements.
摘要翻译：要解决的问题：为了提供能够使电流流过各元件以平衡的功率转换器，即使通过不同的特性并联连接的元件的电流通过制造用于连接的导体的形状具有其他电路的晶闸管，以便沿电流流过的路径的方向延伸。解决方案：该功率转换器包括并联连接的多个半导体元件，并且通过流过或切断流过半导体元件的电流来调节供给负载的功率。导体由导体部形成，该导体部在电流流动方向具有长边，在与电流流动方向正交的方向上形成短边，并且在导体的长度方向连接一侧的连接部在电流流动方向上具有长边和与电流流动方向正交的方向的长边，并且将其另一侧共同连接到各个半导体元件。不均匀电流流过并联连接的半导体元件，而不必提供诸如与半导体元件串联连接的电阻器的电气部件。

8. 发明专利

JP2004254355A Power converter 审中-公开
公开(公告)号：JP2004254355A
公开(公告)日：2004-09-09
申请号：JP2003039194
申请日：2003-02-18
申请人： Toshiba Corp , 株式会社東芝
发明人： KAWAKAMI KAZUTO , HOSHI KIMIHIRO
IPC分类号： H02M3/155 , H02M3/28 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a low-cost power converter which has a small size by reducing a smoothing capacitor to a sufficiently necessary size. SOLUTION: The power converter includes a DC power supply 1, an inverter connected to the DC power supply 1 via a first smoothing capacitor 2, and a second smoothing capacitor 9 disposed near semiconductor switching elements 3, 4 for constituting the inverter. The electrostatic capacitance of the second smoothing capacitor is smaller than that of the first smoothing capacitor, and high-frequency impedance is set to equivalent or less than that of the first smoothing capacitor. A low-frequency ripple is shared to be absorbed by the first smoothing capacitor 2, and a high-frequency ripple is shared to be absorbed by the second smoothing capacitor 9. COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2004022984A Substrate for printed wiring 审中-公开
公开(公告)号：JP2004022984A
公开(公告)日：2004-01-22
申请号：JP2002178834
申请日：2002-06-19
申请人： Toshiba Corp , 株式会社東芝
发明人： MURAKAMI KAZUYA , SAWADA AKIRA , KURI YUUJI , SASAKI KEIICHI , KAWAKAMI KAZUTO
IPC分类号： H05K1/02 , H05K3/38
摘要： PROBLEM TO BE SOLVED: To provide a substrate for heat-resistant printed wiring which can relax mechanical stress due to a difference between the thermal expansion coefficient of the substrate and that of an electronic component mounted on the same.
SOLUTION: The substrate for printed wiring is constituted of an insulation layer 11 and a wiring conductor 13 while the surface of the insulation layer 11 for mounting the electronic components 201, 203 is formed into a recessed and projected shape 15. The recess and projection of the surface of the insulation layer open or close following the expansion or the contraction of the electronic components 201, 203, whereby thermal stress is relaxed.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003259689A POWER CONVERTER 审中-公开
公开(公告)号：JP2003259689A
公开(公告)日：2003-09-12
申请号：JP2002057760
申请日：2002-03-04
申请人： TOSHIBA CORP
发明人： TAKAMURA HARUHISA , KAWAKAMI KAZUTO
IPC分类号： B60L9/18 , H02M7/48 , H02P27/06 , H02P27/08 , H02P7/63
摘要： PROBLEM TO BE SOLVED: To provide an appropriate power converter when being applied to EV since efficiency is increased and at the same time safety is improved. SOLUTION: The power converter comprises an AC motor 2, a DC power supply 4, a chopper circuit 31 for carrying out boosting and step-down to a desired DC voltage from the DC power supply 4 via a reactor 1, an inverter circuit 33 where a main circuit capacitor 32 is arranged at its input to drive the AC motor 2, and a control circuit 34 for controlling the chopper circuit 31 and the inverter circuit 33. The control circuit 34 sets a rate to a voltage command value in the boosting operation of the chopper circuit 31. COPYRIGHT: (C)2003,JPO

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