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1. 发明公开

EP2063520A4 DC/DC POWER CONVERTING APPARATUS 审中-公开
标题翻译： DC-DC转换器装置
公开(公告)号：EP2063520A4
公开(公告)日：2012-11-07
申请号：EP07737244
申请日：2007-05-31
申请人： MITSUBISHI ELECTRIC CORP
发明人： URAKABE TAKAHIRO , IKEDA MATAHIKO , IWATA AKIHIKO , ANZAI KIYOHARU , MAEKAWA HIROTOSHI , KIKUNAGA TOSHIYUKI , KOBAYASHI MASARU , OKUDA TATSUYA
IPC分类号： H02M3/07 , H02M3/158 , H02M7/48
CPC分类号： H02J7/0016 , H02M3/158 , H02M2001/0077
摘要： Three or more circuits (A1-A4), in which series-connected low-voltage and high-voltage side switches made of MOSFETs having parasitic diodes are connected across positive and negative terminals of each of smoothing capacitors (Cs1-Cs4), are connected in series. One of elementary series circuits, each including a capacitor (Cr) and an inductor (Lr), is disposed between any adjacent two of the circuits with the elementary series circuits set to have the same period of resonance. The MOSFETs of rectifier circuits (A2-A4) are brought into an ON state simultaneously with the MOSFETs of a driving inverter circuit (A1) and brought into an OFF state earlier than the MOSFETs of the driving inverter circuit (A1) by a period of time not exceeding a time period (t) equal to (period of resonance)/2. With this arrangement, a resonance phenomenon of the capacitor (Cr) and the inductor (Lr) is used and conduction loss in the rectifier circuits (A2-A4) is reduced in DC/DC power conversion performed through charging and discharging operation of the capacitor (Cr).

2. 发明公开

EP2590306A4 DC-DC POWER CONVERSION APPARATUS 有权
标题翻译： DC-DC转换器
公开(公告)号：EP2590306A4
公开(公告)日：2013-11-27
申请号：EP10854125
申请日：2010-11-04
申请人： MITSUBISHI ELECTRIC CORP
发明人： IKEDA MATAHIKO , KOBAYASHI MASARU , MAEKAWA HIROTOSHI , MORITAKE NAOKI , MITSUI TAKAO
IPC分类号： H02M3/155 , H02M3/158
CPC分类号： H02M3/158
摘要： Disclosed is a DC-DC power conversion apparatus (10) including two or more switching units (SU1, SU2) each of which further includes two semiconductor switching elements (Sa, Sb), and wherein each of the semiconductor switching elements (S1a, S1b, S2a, S2b) of each of the switching units are all connected in series, and which also includes an energy transition capacitor (C1) for conducting charging/discharging, and an inductor (L). The DC-DC power conversion apparatus (10) is also provided with a control unit that makes the semiconductor elements execute operations in four types of switching modes, according to the ratio (V2/V0) of the input/output voltages of the power conversion apparatus and the direction of the power transmission, and that also makes the elements carry out a current-discontinuing operation wherein the inductor current will become zero during switching operation, upon low load.

3. 发明公开

EP2063519A4 DC/DC POWER CONVERTER 有权
标题翻译： DC / DC电流互感器
公开(公告)号：EP2063519A4
公开(公告)日：2012-11-07
申请号：EP07737183
申请日：2007-05-17
申请人： MITSUBISHI ELECTRIC CORP
发明人： IKEDA MATAHIKO , URAKABE TAKAHIRO , ANZAI KIYOHARU , IWATA AKIHIKO , MAEKAWA HIROTOSHI , KIKUNAGA TOSHIYUKI , KOBAYASHI MASARU , OKUDA TATSUYA
IPC分类号： H02M3/07 , H02M3/158 , H02M7/10
CPC分类号： H02M3/158 , H02M2001/0077
摘要： Three or more circuits including a driving inverter circuit (A1) and rectifier circuits (A2-A4) are connected in series, each of the circuits including a high-voltage side MOSFET and a low-voltage side MOSFET connected in series as well as a smoothing capacitor (Cs1-Cs4) having positive and negative terminals between which the MOSFETs are connected. LC series circuits (LC12, LC13, LC14), each including a capacitor (Cr) and an inductor (Lr), are disposed individually between one specific circuit (A1) and the other circuits (A2-A4) with periods of resonance of the LC series circuits (LC12, LC13, LC14) made equal to one another. In performing DC/DC power conversion through charging and discharging operation of the capacitors (Cr), a resonance phenomenon of the LC series circuits (LC12, LC13, LC14) is used to improve conversion efficiency and achieve a reduction in size of the apparatus structure.

4. 发明专利

DE10047948B4 Motorsteuereinrichtung 未知
公开(公告)号：DE10047948B4
公开(公告)日：2017-05-11
申请号：DE10047948
申请日：2000-09-27
申请人： MITSUBISHI ELECTRIC CORP
发明人： KOBAYASHI MASARU , ANZAI KIYOHARU , MAEKAWA HIROTOSHI
IPC分类号： H02P7/00 , H02P29/00 , B60L15/02 , H02P21/00 , H02P21/22 , H02P25/022 , H02P27/02 , H02P27/04 , H02P27/06 , H02P27/08 , H02P29/60 , H02P29/68
摘要： Motorsteuereinrichtung zum Steuern des einem Motor zugeführten Stromes, umfassend: einen Leistungswandler (10) mit Leistungselementen (7a–7f) auf einem Substrat, mehrere Stromleitungen (U, V, W) zum Verbinden der Leistungselemente (7a–7f) mit dem Motor (2); Stromdetektoren (14a–14c; 26a–26c) für die jeweiligen Stromleitungen (U, V, W), wobei die Stromdetektoren (14a–14c; 26a–26c) auf dem Substrat angeordnet sind; Temperaturdetektoren (25a–25c), die auf dem Substrat angeordnet sind; und eine arithmetische Steuereinheit (12) zum Steuern von Schaltvorgängen der Leistungselemente (7a–7f) auf der Grundlage von von den Stromdetektoren (14a–14c; 26a–26c) erfassten Stromwerten, wobei die arithmetische Steuereinheit (12) umfasst: eine Speichereinheit (22) zum Speichern von Kompensationsdaten für die Kompensation von Schwankungen in den Charakteristiken der jeweiligen Stromdetektoren (14a–14c; 26a–26c), die durch Temperaturveränderungen verursacht werden; eine Stromwert-Berechnungseinrichtung (23) zum Berechnen von Stromwerten durch Korrektur von von den Stromdetektoren (14a–14c; 26a–26c) erfassten Stromwerten auf der Grundlage der gespeicherten Kompensationsdaten und von von den Temperaturdetektoren (25a–25c) empfangenen Temperaturdaten; eine Einrichtung (24) zum Berechnen und Erzeugen von Motor-Ansteuersignalen zum Steuern von Schaltvorgängen der Leistungselemente (7a–7f) auf der Grundlage der durch die Stromwert-Berechnungseinrichtung (23) berechneten Stromwerte; und eine Einrichtung zum Erzeugen der Kompensationsdaten, die in der Speichereinheit (22) abgespeichert werden.

5. 发明专利

DE112010003189T5 DC/DC-Leistungsumwandlungsvorrichtung 未知
公开(公告)号：DE112010003189T5
公开(公告)日：2012-09-20
申请号：DE112010003189
申请日：2010-07-26
申请人： MITSUBISHI ELECTRIC CORP
发明人： TANAKA YUUYA , IKEDA MATAHIKO , URAKABE TAKAHIRO , OKUDA TATSUYA , KOBAYASHI MASARU , MAEKAWA HIROTOSHI
IPC分类号： H02M3/155
摘要： Ein Ziel der vorliegenden Erfindung ist es, eine DC/DC-Leistungsumwandlungsvorrichtung bereitzustellen, die den durchschnittlichen Stromverbrauch über einen weiten Bereich von DC-Spannungsverhältnissen senken kann. Eine Steuerschaltung (120) verändert eine Schaltfrequenz f, mit der IGBTs S1 bis S4 einen EIN/AUS-Betrieb durchführen, in Übereinstimmung mit einem Spannungsverhältnis k (k = V2/V1) zur DC-Spannungsumwandlung auf Grundlage der folgenden Ausdrücke so, dass es sich bei einer Größenordnung &Dgr;I einer Welligkeit eines in einer Drosselspule Lc fließenden Stroms ungeachtet des Spannungsverhältnisses k um einen konstanten Wert handelt. Falls 1 ≤ k 2: f = (V1/(2 × L × &Dgr;I)) × (k – 2)/k

6. 发明专利

DE102006032446A1 未知
公开(公告)号：DE102006032446A1
公开(公告)日：2007-05-03
申请号：DE102006032446
申请日：2006-07-13
申请人： MITSUBISHI ELECTRIC CORP
发明人： KOBAYASHI MASARU , MAEKAWA HIROTOSHI , NISHIMURA RYOJI , KURAMOTO YUJI , ANZAI KIYOHARU
IPC分类号： B60W20/00 , B60K6/445 , B60L50/16 , B60W10/06 , B60W10/08 , F02D45/00 , H02P21/00 , H02P27/04
摘要： A short-circuit abnormality detection unit detects abnormality due to short circuit fault of an electric power supply passage based on information relating to switching of an electric power converter and current flowing to an alternating current (AC) motor. An internal combustion engine operation instruction unit, provided in hybrid control unit, gives an instruction to an internal combustion engine control unit that causes an internal combustion engine to perform operation corresponding to abnormality when short-circuit abnormality detection unit detects the abnormality.

7. 发明专利

FR2793616B1 未知
公开(公告)号：FR2793616B1
公开(公告)日：2005-05-20
申请号：FR9916142
申请日：1999-12-21
申请人： MITSUBISHI ELECTRIC CORP
发明人： KOBAYASHI MASARU , MAEKAWA HIROTOSHI
IPC分类号： H01L35/00 , H01L35/28 , H02H5/04 , H02H7/08 , H02H7/10 , H02H7/122 , H02H9/02 , H02M7/48 , H02P27/06 , H02P7/62
摘要： In a motor control unit adapted to control each switching element of each switching arm and control the current sent to a motor, the temperature sensing diodes 19a~19c are arranged near the switching elements and a constant current circuit 18 is connected to the temperature sensing diode. An overheat prevention means is also provided to recognize the switching element temperature by detecting a forward voltage value of the diode and to place the switching element in an OFF-state when the switching element is judged to be in an overheat condition based on the recognized temperature of the switching element.

8. 发明专利

FR2859582A1 未知
公开(公告)号：FR2859582A1
公开(公告)日：2005-03-11
申请号：FR0452425
申请日：2004-10-25
申请人： MITSUBISHI ELECTRIC CORP
发明人： MAEKAWA HIROTOSHI , MATSUOKA SYOUGO
IPC分类号： H02M1/08 , H02M7/00 , H02M7/48 , H05K7/14 , H02M7/42
摘要： To perform a miniaturization and weight reduction of an electric power conversion apparatus, and in extension, the miniaturization of an inverter apparatus itself. In the inverter apparatus which converts a DC voltage into an AC voltage, a semiconductor device for electric power conversion, and a drive and protection circuit which drives and protects this semiconductor device for electric power conversion, and a power supply circuit which supplies power to this drive and protection circuit are integrated in the same module.

9. 发明专利

FR2803138B1 未知
公开(公告)号：FR2803138B1
公开(公告)日：2003-11-28
申请号：FR0008628
申请日：2000-07-03
申请人： MITSUBISHI ELECTRIC CORP
发明人： YAMANE TOSHINORI , MAEKAWA HIROTOSHI
IPC分类号： H02M7/00 , H02M7/48 , H02M7/515 , H02M1/14
摘要： The present invention provides an alternator having a small size and a high reliability wherein, the alternator is equipped with a switching power module 1 having a resin case 13 housing switching elements 2 and a driving circuit section 5, a smoothing capacitor 7 for smoothing a direct current output supplied to the switching elements 2, a control circuit section 6 for outputting a control signal to the driving circuit section 5 and a cooling member 24; a ceramic capacitor is used as the smoothing capacitor; a smoothing capacitor board 25 for mounting the smoothing capacitor 7 is disposed between an insulating board mounting with the switching elements 2 and a driving circuit board 18 mounting with the driving circuit section 5; and the smoothing capacitor board 25 functions also as an electromagnetic shielding plate for protecting the driving circuit section 5 against the switching noise of the switching elements.

10. 发明专利

FR2803136B1 未知
公开(公告)号：FR2803136B1
公开(公告)日：2002-03-01
申请号：FR0005854
申请日：2000-05-09
申请人： MITSUBISHI ELECTRIC CORP
发明人： YAMANE TOSHINORI , MAEKAWA HIROTOSHI
IPC分类号： H02M7/00 , H02M7/48

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