专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2006319711A Gate drive circuit 审中-公开
标题翻译：门控驱动电路
公开(公告)号：JP2006319711A
公开(公告)日：2006-11-24
申请号：JP2005140849
申请日：2005-05-13
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： IWAKURA TETSUSHI , TOKUDA NOBUTAKA , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H03F3/30 , H03K17/567
摘要： PROBLEM TO BE SOLVED: To eliminate a possibility of electrical connection generated simultaneously between a p-type MOSFET and an n-type MOSFET for driving the main switching element. SOLUTION: In a gate drive circuit, when one of a p-type MOSFETQ1 and an n-type MOSFETQ2 for driving the main switching element is turned on and another is turned off, the main switching element is turned on; and, when one is turned off and another is turned on, the main switching element is turned off. In a case that one is switched ON from OFF and another is switched OFF from ON, ahead of the moment that one is switched ON from OFF, another is switched ON from OFF, one is switched OFF from ON. In a case that another is switched ON from OFF, ahead of the moment that another is switched ON from OFF, one is switched OFF from ON. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了消除用于驱动主开关元件的p型MOSFET和n型MOSFET之间同时产生的电连接的可能性。解决方案：在栅极驱动电路中，当驱动主开关元件的p型MOSFETQ1和n型MOSFETQ2中的一个导通，另一个截止时，主开关元件导通; 并且当一个被关闭而另一个被接通时，主开关元件被断开。在从OFF开启另一个从ON开关的情况下，在从OFF开启ON的时刻之前，另一个从OFF接通，一个从ON开关。在另一个从OFF开启的情况下，在另一个从OFF开启的时刻之前，一个从ON开关。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006319095A Power module 有权
标题翻译：电源模块
公开(公告)号：JP2006319095A
公开(公告)日：2006-11-24
申请号：JP2005139606
申请日：2005-05-12
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： IWAKURA TETSUSHI , HAYASAKA TSUTOMU , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H01L25/07 , H01L25/18
CPC分类号： H01L2924/0002 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To reduce the size and thickness of a power module, and to reduce wiring inductance and electromagnetic interference of internal devices. SOLUTION: Internal terminals h4 and h5 are extended from an outer frame d4 while superposing halfway and the lower internal terminal h4 is further extended stepwise and then wire bonded is performed directly to the upper surface thereof. During operation, currents are fed reversely through the internal terminals h4 and h5 thus attaining an effect for reducing wiring inductance. The internal terminals h4-h6 are supported by an integrated bridge portion d6 of a resin case d. Different sections divided by a bridge portion d5 is cut by the internal terminal h4 and three switch circuits of a step-up/down converter including a step-up section and operated in parallel while time sharing are arranged in different sections. The bridge portions d5-d7 and the internal terminals h1-h6 are laid on a planar circuit mounting surface parallel with a circuit mounting surface a5 thus thinning the power module. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：减小功率模块的尺寸和厚度，并减少内部器件的布线电感和电磁干扰。
解决方案：内部端子h4和h5从外框架d4延伸，同时叠加在中间，下部内部端子h4进一步逐步延伸，然后直接连接到其上表面。在运行期间，电流通过内部端子h4和h5反向馈送，从而达到降低布线电感的效果。内部端子h4-h6由树脂壳体d的集成桥接部分d6支撑。由桥接部分d5划分的不同部分由内部端子h4和包括升压部分的升压/降压转换器的三个开关电路切断，并且在不同部分布置时间共享的同时并行操作。桥接部分d5-d7和内部端子h1-h6被放置在与电路安装表面a5平行的平面电路安装表面上，从而使功率模块变薄。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006034069A Step-up/step-down chopper circuit 有权
标题翻译：升压/降压式选择器电路
公开(公告)号：JP2006034069A
公开(公告)日：2006-02-02
申请号：JP2004213069
申请日：2004-07-21
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： IWAKURA TETSUSHI , DEGUCHI SHINICHI
IPC分类号： H02M3/155
CPC分类号： H02M3/158 , Y02B70/1425
摘要： PROBLEM TO BE SOLVED: To provide a step-up/step-down chopper circuit where a PWM control range is large and high efficiency can be achieved even in a region having a low PWM control range.
SOLUTION: The series circuit of a first main transistor 4 and a first main diode 6 is connected to a DC input voltage 1. A filter capacitor 13, the series circuit of a second main diode, and a second main transistor are connected to the output load side. A filter reactor 7 is connected to the junction point between the series circuits of the first main transistor 4 and the first main diode 6, and that between the series circuits of the second main diode 12 and the first main transistor 8. Effective resonance capacitors 5, 9 are connected between the collector and the emitter of the first main transistor 4 and those of the second one 8. Soft switching is made except a light-load current region. In the light-load region whose pulse width is close to resonance time or smaller, PWM control hard switching is performed by a first auxiliary transistor 2 or a second one 11.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供PWM控制范围大的升压/降压斩波电路，即使在具有低PWM控制范围的区域中也可以实现高效率。解决方案：第一主晶体管4和第一主二极管6的串联电路连接到直流输入电压1.连接有滤波电容器13，第二主二极管的串联电路和第二主晶体管到输出负载侧。滤波电抗器7连接到第一主晶体管4和第一主二极管6的串联电路与第二主二极管12和第一主晶体管8的串联电路之间的接合点。有效谐振电容器5 ，9连接在第一主晶体管4的集电极和发射极之间，第二主晶体管的发射极连接在第二主晶体管4的集电极和发射极之间。除了轻负载电流区域之外，进行软开关。在脉冲宽度接近谐振时间的轻负载区域中，PWM控制硬切换由第一辅助晶体管2或第二辅助晶体管11执行。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2007089256A Dc-dc converter, semiconductor module and temperature detector of the same 审中-公开
标题翻译： DC-DC转换器，半导体模块和温度检测器
公开(公告)号：JP2007089256A
公开(公告)日：2007-04-05
申请号：JP2005272080
申请日：2005-09-20
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： WADA MASAO , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H02M3/155 , G01K1/14 , G01K7/01
摘要： PROBLEM TO BE SOLVED: To provide a compact DC-DC converter for simply and surely detecting the temperature, a semiconductor module suitable for the DC-DC converter and its temperature detector. SOLUTION: Main current paths of a plurality of switching elements 12, 16, such as IGBT elements, are connected in parallel, and the temperature detector 13 is disposed and thermally coupled to a diode 14, such as a reverse current preventing diode, connected to the main current paths of the switching elements 12, 16. A plurality of the switching elements 12, 16 are controlled in a time division manner. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于简单且可靠地检测温度的紧凑型DC-DC转换器，适用于DC-DC转换器及其温度检测器的半导体模块。解决方案：多个开关元件12,16（例如IGBT元件）的主电流路径并联连接，并且温度检测器13被布置并热耦合到二极管14，例如反向电流防止二极管连接到开关元件12,16的主电流路径。多个开关元件12,16以时分方式被控制。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005185037A Step-up and step-down chopper circuit 有权
标题翻译：升压和降压CHOPPER电路
公开(公告)号：JP2005185037A
公开(公告)日：2005-07-07
申请号：JP2003424465
申请日：2003-12-22
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： WADA MASAO , DEGUCHI SHINICHI
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a step-up and step-down chopper circuit that can reduce hard switching loss and make the switching frequency high.
SOLUTION: A series circuit composed of a first transistor 4 and a first diode 6 is connected to a DC power supply 1 in parallel therewith, and a series circuit, composed of a capacitor 13, a second diode 12 and a second transistor 8, is connected to an output load side in parallel therewith. A first reactor 7 is connected to the connection point of the first transistor 4 and the first diode 6, and to the connecting point of the second diode 12 and the second transistor 8. Effective resonance capacitors 5, 9 are connected in parallel between the collector of the first transistor 4 and the emitter of the second transistor 8, and the collector currents of the transistors are made to flow to the resonance capacitors 5, 9, when the first and the second transistors 4, 8 are turned off, to make the resonance capacitors perform soft switchings. When charges accumulated in the resonance capacitor 5 are discharged, and the charge of the resonance capacitor 5 becomes zero, the first transistor 4 is tuned on, to make the resonance capacitor perform zero-voltage switching.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供可以减少硬开关损耗并使开关频率高的升压和降压斩波电路。解决方案：由第一晶体管4和第一二极管6组成的串联电路与直流电源1并联连接，串联电路由电容器13，第二二极管12和第二晶体管 8与输出负载侧并联连接。第一电抗器7连接到第一晶体管4和第一二极管6的连接点，并连接到第二二极管12和第二晶体管8的连接点。有效的谐振电容器5,9并联连接在集电极的第一晶体管4和第二晶体管8的发射极，并且当第一和第二晶体管4,8截止时，使晶体管的集电极电流流向谐振电容器5,9，以使谐振电容器进行软开关。当累积在谐振电容器5中的电荷被放电，并且谐振电容器5的电荷变为零时，第一晶体管4被导通，以使谐振电容器进行零电压切换。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2006319059A Power module 有权
标题翻译：电源模块
公开(公告)号：JP2006319059A
公开(公告)日：2006-11-24
申请号：JP2005138832
申请日：2005-05-11
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： IWAKURA TETSUSHI , HAYASAKA TSUTOMU , DEGUCHI SHINICHI , IDOGUCHI RYUICHI
IPC分类号： H01L25/07 , H01L25/18
CPC分类号： H01L2224/4903 , H01L2224/49175 , H01L2924/13055 , H01L2924/13091 , H01L2924/19105 , H01L2924/19107 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To facilitate connection between a power semiconductor device and an external lead-out terminal, to simplify a power module while reducing the size and thickness thereof, and to reduce electromagnetic interference of internal devices when a compounded multichip intelligent power module is required. SOLUTION: In the power module, internal terminal portion h2 to be wire bonded of an external lead-out terminal f2 is supported by the bridge portion d5 of an integrated resin case d. Different sections divided by the bridge portion d5 is cut by the internal terminal portion h2, and three switch circuits of a step-up/down converter including step-up sections operated in parallel while time sharing are arranged in different sections. The bridge portions d5-d7 and the internal terminal portions h1-h6 are arranged to be laid on a planer circuit mounting surface parallel with a circuit mounting surface a5 thus thinning the power module. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了便于功率半导体器件和外部引出端子之间的连接，在减小其尺寸和厚度的同时简化功率模块，并且当复合多芯片智能化时减小内部器件的电磁干扰电源模块是必需的。解决方案：在电源模块中，外部引出端子f2的被引线接合的内部端子部分h2由集成树脂壳体d的桥接部分d5支撑。由桥接部分d5划分的不同部分被内部端子部分h2切断，并且包括在时间共享下并行操作的升压部分的升压/降压转换器的三个开关电路被布置在不同的部分中。桥接部分d5-d7和内部端子部分h1-h6布置成平行于电路安装表面a5的平面电路安装表面，从而使功率模块变薄。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006304481A Voltage boosting/dropping apparatus in dc power supply 审中-公开
标题翻译：直流电源中的电压升压/降压装置
公开(公告)号：JP2006304481A
公开(公告)日：2006-11-02
申请号：JP2005122534
申请日：2005-04-20
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： WADA MASAO , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a voltage boosting/dropping apparatus in a DC power supply surely operated with simple configuration for dropping or boosting an output voltage of the DC power supply to the desired output voltage in response to an output voltage instruction value entered externally.
SOLUTION: The voltage boosting/dropping apparatus in the DC power supply is provided with a voltage dropping section 20 and a voltage boosting section 30 connected between the DC power supply 21 and a load 14 in series and including a voltage dropping transistor 21 and a voltage boosting transistor 31, and a control section 40 for controlling turnon and turnoff of the voltage dropping transistor 21 and voltage boosting transistor 31. The control section 40 includes a logic circuit 50 for generating a voltage dropping transistor driving signal Lc and a voltage boosting transistor driving signal Hc based on an error signal Vc from an error amplifier 43 and first and second saw-tooth voltages generated from first and second saw-tooth wave generating circuits 44, 45 mutually phase-shifted.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种直流电源中的升压降压装置，该直流电源通过简单的配置可靠地运行，用于根据输出电压指令将直流电源的输出电压降低或升高到期望的输出电压外部值。解决方案：直流电源中的升压降压装置设置有串联连接在直流电源21和负载14之间的降压部20和升压部30，并且包括降压晶体管21 以及用于控制降压晶体管21和升压晶体管31的导通和截止的控制部分40.控制部分40包括用于产生降压晶体管驱动信号Lc和电压的逻辑电路50 基于来自误差放大器43的误差信号Vc和相互相移的第一和第二锯齿波发生电路44,45产生的第一和第二锯齿电压来提升晶体管驱动信号Hc。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006158110A Time division control chopper circuit 审中-公开
标题翻译：时间控制控制电路
公开(公告)号：JP2006158110A
公开(公告)日：2006-06-15
申请号：JP2004346372
申请日：2004-11-30
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： WADA MASAO , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To enhance the efficiency of an apparatus under light load by reducing the switching loss under light load by using a main circuit set in a rated load state. SOLUTION: A time division control chopper circuit has an arrangement for outputting a voltage, obtained by making on/off control switching devices 3-7 for a DC input voltage from a DC voltage source 1, through a filter consisting of a reactor 13 and a capacitor 14. A plurality of switching devices are connected in parallel between a DC power supply and the filter, and makes pulse width control based on the DC output voltage thus distributing a time division pulse width signal to the plurality of switching devices connected in parallel. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过使用在额定负载状态下设定的主电路，通过降低轻负载时的开关损耗来提高轻负载下的装置的效率。解决方案：时分控制斩波电路具有用于输出通过使来自直流电压源1的直流输入电压的开/关控制开关器件3-7通过由反应器组成的滤波器 13和电容器14.多个开关装置并联连接在直流电源和滤波器之间，并且基于直流输出电压进行脉宽控制，从而将分频脉宽信号分配给连接的多个开关装置在平行下。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2006158109A Chopper 审中-公开
标题翻译： CHOPPER
公开(公告)号：JP2006158109A
公开(公告)日：2006-06-15
申请号：JP2004346371
申请日：2004-11-30
申请人： Kyosan Electric Mfg Co Ltd , Nissan Motor Co Ltd , 日産自動車株式会社 , 株式会社京三製作所
发明人： WADA MASAO , DEGUCHI SHINICHI , KOIDE TOSHIYUKI
IPC分类号： H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a chopper in which efficiency is improved under light load state, i.e. the efficiency is improved up to a light load region by reducing switching loss in a range from a rated load region to a light load region through frequency reduction proportional to the input current value.
SOLUTION: The step-down chopper or a step-up chopper performs on/off control of a DC input 101 through a switch means 111 and supplies the DC input to a load while stepping up or down through a flywheel diode 112 connected with the output of the switch means 111 and a filter consisting of a filter reactor 113 and a filter capacitor 114. On/off control by the switch means 111 and pulse width control based on the DC voltage are made for the supply voltage to the load, and pulse width control is made with a carrier frequency proportional to the DC input current.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在轻负载状态下提高效率的斩波器，即通过减小从额定负载区域到轻负载区域的范围内的开关损耗，效率提高到轻负载区域通过与输入电流值成比例的频率减小。解决方案：降压斩波器或升压斩波器通过开关装置111对DC输入101进行开/关控制，并通过连接的续流二极管112将直流输入提供给负载，同时上下移动开关装置111的输出和由滤波电抗器113和滤波电容器114组成的滤波器。开关装置111的开关控制和基于直流电压的脉冲宽度控制用于负载的电源电压并且以与DC输入电流成比例的载波频率进行脉冲宽度控制。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2004266951A Power supply system for vehicle 审中-公开
公开(公告)号：JP2004266951A
公开(公告)日：2004-09-24
申请号：JP2003055636
申请日：2003-03-03
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TANAKA KUNINORI , DEGUCHI SHINICHI
IPC分类号： B60R16/033 , B60R16/02 , B60R16/04 , H02J1/00 , H02J1/10 , H02J7/34 , H02M3/155
摘要： PROBLEM TO BE SOLVED: To provide a power supply system for a vehicle capable of preventing breakage in a fusible link. SOLUTION: This power system comprises a power supply unit constituted by parallel-connecting at least a constant-current control type DC-DC converter 2 having a constant-current characteristic and a constant-voltage control type DC-DC converter 1 having a constant-voltage characteristic, and an accessory battery 6 which is charged and supplies electric power to a load. The power supply unit and the accessory battery 6 are connected to each other through the fusible links 3 to 5. For the starting operation, a control unit 10 is also provided for starting, first, the constant-current control type DC-DC converter 2 and secondly, starting the constant-voltage control type DC-DC converter 1. COPYRIGHT: (C)2004,JPO&NCIPI

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式