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31. 发明专利

JP2015019455A 駆動対象スイッチング素子の駆動回路有权
标题翻译：驱动对象切换元件的驱动电路
公开(公告)号：JP2015019455A
公开(公告)日：2015-01-29
申请号：JP2013143720
申请日：2013-07-09
申请人：株式会社デンソー , Denso Corp
发明人： WATANABE KAZUNORI , MAEHARA TSUNEO , FUKUDA JUNICHI , SENDA YASUTAKA
IPC分类号： H02M1/08
摘要：【課題】スイッチング素子S￥#に過電流が流れる場合において、ソフト遮断処理によらないスイッチング素子S￥#のオフ状態への切り替えに起因して、スイッチング素子S￥#の信頼性が低下することを回避できる駆動対象スイッチング素子の駆動回路を提供する。【解決手段】駆動回路DUにおいて、スイッチング素子S￥#のゲート及びエミッタは、クランプ用経路Lclampによって接続されている。また、クランプ用経路Lclampには、抵抗体32が設けられている。ここで、コレクタ電流Icが減少する状況下、ゲート電荷がクランプ用経路Lclamp側へと移動するように、クランプ用経路Lclampと、コレクタに接続された主電流流通経路とが磁気結合されている。【選択図】図2
摘要翻译：要解决的问题：提供一种用于驱动对象开关元件的驱动电路，其可以防止由于切换到不执行软中断的开关元件S＃＃的断开状态而导致的开关元件S¥＃的可靠性的劣化当过电流流入开关元件S＃＃时的处理。解决方案：在驱动电路DU中，开关元件S¥＃的栅极和发射极通过用于钳位Lclamp的路径相互连接。电阻32设置在钳位Lclamp的路径上。在集电极电流Ic减小的状态下，钳位Lclamp的路径和连接到集电极的主电流流路彼此磁耦合，使得栅极电荷移动到钳位Lclamp侧的路径。

32. 发明专利

JP2014023342A Drive circuit for switching element 有权
标题翻译：用于切换元件的驱动电路
公开(公告)号：JP2014023342A
公开(公告)日：2014-02-03
申请号：JP2012161497
申请日：2012-07-20
申请人： Denso Corp , 株式会社デンソー
发明人： KOMATSU TAKEYASU , MAEHARA TSUNEO
IPC分类号： H02M7/48
CPC分类号： H02H3/08 , H02P6/14 , H03K17/0828 , H03K17/166
摘要： PROBLEM TO BE SOLVED: To provide a drive circuit for a switching element capable of avoiding release of restriction on a gate voltage Vge even in a situation where an overcurrent flows in the switching elements S¥# (¥=u, v, w: #=p, n) by an interphase short-circuit.SOLUTION: In a time period from when a gate voltage Vge begins to be restricted by a clamp voltage Vclamp due to clamp processing to when a clamp filter time period elapses, in the case that it is determined that a sense voltage Vse becomes larger than a second threshold, extension processing of extending the clamp filter time period is performed until the sense voltage Vse becomes larger than a first threshold SC higher than the second threshold.
摘要翻译：要解决的问题：即使在开关元件S＃（¥= u，v，w：＃）中过电流的情况下，也能够提供能够避免对栅极电压Vge的限制的开关元件的驱动电路 = p，n）。解决方案：在由钳位处理开始受到钳位电压Vclamp的限制时，当栅极电压Vge开始受限于当钳位滤波器时间段过去时，在确定感测电压Vse变得大于第二阈值，执行延长钳位滤波器时间段的扩展处理，直到感测电压Vse变得大于高于第二阈值的第一阈值SC。

33. 发明专利

JP2014010106A Insulation deterioration detection device 有权
标题翻译：绝缘检测装置
公开(公告)号：JP2014010106A
公开(公告)日：2014-01-20
申请号：JP2012148594
申请日：2012-07-02
申请人： Denso Corp , 株式会社デンソー
发明人： MIZOGUCHI HAYATO , MAEHARA TSUNEO
IPC分类号： G01R31/02 , B60L3/00 , B60R16/02
CPC分类号： G01R31/025 , A61B5/021 , B60L3/0069 , B60L3/12 , B60L11/1864 , B60L2270/147 , G01L9/0041 , G01R1/36 , G01R27/18 , G01R31/006 , Y02T10/7005 , Y02T10/7061
摘要： PROBLEM TO BE SOLVED: To provide an insulation deterioration detection device capable of improving the detecting accuracy of the insulation resistance deterioration of a vehicle body and a high voltage circuit while securing pressure resistance with simple configurations.SOLUTION: A filter for removing a noise included in a ground potential at the other end 21b of a coupling capacitor 21 whose one end 21a is connected to a high voltage circuit 1 is constituted of a digital filter 232 and an aliasing suppression circuit section 24 for suppressing aliasing in the digital filter. Furthermore, a protection circuit section 25 for protecting a determination section 231 for determining the insulation deterioration of a vehicle body and the high voltage circuit and the digital filter 232 is connected between a resistor 241 of the aliasing suppression circuit section 24 whose potential becomes lower than that of the other end 21b of the coupling capacitor 21 and a signal input section 232a of the digital filter 232 when a high voltage noise intrudes.
摘要翻译：要解决的问题：提供一种绝缘劣化检测装置，其能够以简单的构造确保耐压性，从而提高车身和高压电路的绝缘电阻劣化的检测精度。解决方案：用于去除包括在其一端21a连接到高电压电路1的耦合电容器21的另一端21b处的接地电位由数字滤波器232和用于抑制数字滤波器中的混叠的混叠抑制电路部分24构成。此外，用于保护用于确定车身绝缘劣化的确定部分231和高压电路和数字滤波器232的保护电路部分25连接在电位变得低于电容器的混叠抑制电路部分24的电阻器241之间耦合电容器21的另一端21b和数字滤波器232的信号输入部分232a当高电压噪声入侵时。

34. 发明专利

JP2014007883A Circuit protection device 有权
标题翻译：电路保护装置
公开(公告)号：JP2014007883A
公开(公告)日：2014-01-16
申请号：JP2012142804
申请日：2012-06-26
申请人： Denso Corp , 株式会社デンソー
发明人： ITO MASAYA , MAEHARA TSUNEO
IPC分类号： H02H3/20 , H02H3/08 , H02H7/18 , H02H9/04 , H02J7/00
CPC分类号： H02H3/202 , B60L3/0046 , B60L11/1851 , G01R31/3658 , H01L2924/181 , H01M10/48 , H01M2220/20 , Y02T10/7005 , Y02T10/705 , H01L2924/00012
摘要： PROBLEM TO BE SOLVED: To provide a circuit protection device capable of appropriately protecting a monitoring circuit from an overvoltage occurring in a power-supply section.SOLUTION: A circuit protection device includes: overvoltage protection elements 212 connected between a plurality of detection lines L for voltage detection that connects a battery pack 1 and a monitoring circuit 22, and holding a voltage applied to the monitoring circuit 22 to a constant voltage; and circuit protection elements 211 provided on each detection line L and disconnecting the electrical connection between the battery pack 1 and the monitoring circuit 22 when currents more than or equal to a predetermined current value flow through the detection lines L. The overvoltage protection elements 212 are configured to maintain each detection line L to a short-circuit state when an overvoltage occurs in the battery pack 1, and the circuit protection elements 211 are configured to disconnect the electrical connection between the battery pack 1 and the monitoring circuit 22 by a short-circuit current flowing between the detection lines L via the overvoltage protection elements 212 when the overvoltage occurs in the battery pack 1.
摘要翻译：要解决的问题：提供能够适当地保护监控电路免受电源部分中发生的过电压的电路保护装置。解决方案：电路保护装置包括：过电压保护元件212，连接在多个检测线L之间，用于连接电池组1和监视电路22的电压检测，并且将施加到监视电路22的电压保持为恒定电压; 以及设置在每个检测线L上的电路保护元件211，并且当大于或等于预定电流值的电流流过检测线L时，断开电池组1和监视电路22之间的电连接。过电压保护元件212为被配置为当电池组1中发生过电压时将每个检测线L维持在短路状态，并且电路保护元件211被配置为通过短路来断开电池组1和监视电路22之间的电连接，当电池组1中发生过电压时，经由过电压保护元件212在检测线L之间流动的电路电流。

35. 发明专利

JP2014003742A Battery monitoring device 有权
标题翻译：电池监控装置
公开(公告)号：JP2014003742A
公开(公告)日：2014-01-09
申请号：JP2012135637
申请日：2012-06-15
申请人： Denso Corp , 株式会社デンソー
发明人： KUBO SHUNICHI , MAEHARA TSUNEO
IPC分类号： B60L3/00 , B60L11/18 , H01M10/48 , H02J7/00
CPC分类号： G01R31/3606 , B60L3/0046 , B60L3/0084 , B60L3/0092 , B60L11/1851 , G01R31/3658 , H01M10/48 , H01M10/486 , H01M2220/20 , H02J7/0021 , H02J7/0031 , Y02T10/7011 , Y02T10/7055
摘要： PROBLEM TO BE SOLVED: To secure security and enhance failure resistance of a battery monitoring device which monitors a state of a battery supplying power to a travel driving source of a vehicle.SOLUTION: A control unit 22, which monitors a state of a high voltage battery 1 on the basis of a detection signal detected by a monitoring IC 21 that indicates the state of the high voltage battery 1, comprises a main control unit 221 and a sub control unit 222. When the main control unit 221 has abnormality, the sub control unit 222 monitors the state of the high voltage battery 1, and controls a system main relay 3 installed between the high voltage battery 1 and a travel electric motor 5 according to a result of the monitoring.
摘要翻译：要解决的问题：为了确保监视向车辆的行驶驱动源供电的电池的状态的电池监视装置的安全性和增强的抗故障性。解决方案：监视高压状态的控制单元22 电池1基于由指示高压电池1的状态的监视IC21检测到的检测信号，包括主控制单元221和副控制单元222.当主控制单元221具有异常时，子控制单元222监视高压电池1的状态，并且根据监视的结果来控制安装在高电压电池1和行驶电动机5之间的系统主继电器3。

36. 发明专利

JP2013102692A Driving circuit for switching element and manufacturing method thereof 有权
标题翻译：用于切换元件的驱动电路及其制造方法
公开(公告)号：JP2013102692A
公开(公告)日：2013-05-23
申请号：JP2013039478
申请日：2013-02-28
申请人： Denso Corp , 株式会社デンソー
发明人： HAMANAKA YOSHIYUKI , MAEHARA TSUNEO , NAGATA JUNICHI , MURAHO TOMOYUKI , ITO HARUHITO
IPC分类号： H02M1/08 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a new driving circuit including an integrated circuit which drives a switching element to be driven in a voltage control type; and a manufacturing method thereof.SOLUTION: A driving circuit for a switching element including an integrated circuit which drives a switching element to be driven in a voltage control type, comprises: a charging path for charging electric charge to an opening/closing control terminal of the switching element to be driven. The integrated circuit comprises: an inside circulation regulation element which regulates a current amount; control means which controls circulation and blockage of the current via the charging path; a switching circuit which switches between connecting to an external output terminal included in the integrated circuit, and using the inside circulation regulation element as the charging path by connecting the output terminal of the control means to the member in the integrated circuit; and operation means which performs the switching by operating the switching circuit on the basis of a signal from an external input terminal of the integrated circuit.
摘要翻译：要解决的问题：提供一种新的驱动电路，其包括驱动以电压控制型驱动的开关元件的集成电路; 及其制造方法。解决方案：一种用于开关元件的驱动电路，包括驱动以电压控制型驱动的开关元件的集成电路，包括：用于向开关元件的开/关控制端子充电电荷的充电路径被驱动。集成电路包括：调节电流量的内循环调节元件; 控制装置，其控制经由充电路径的电流的循环和阻塞; 开关电路，其通过将控制装置的输出端子连接到集成电路中的构件，在连接到包括在集成电路中的外部输出端子之间切换并且使用内部循环调节元件作为充电路径; 以及通过基于来自集成电路的外部输入端子的信号来操作开关电路来执行开关的操作装置。版权所有（C）2013，JPO＆INPIT

37. 发明专利

JP2013038903A Discharge circuit for capacitor 有权
标题翻译：放电电路用于电容器
公开(公告)号：JP2013038903A
公开(公告)日：2013-02-21
申请号：JP2011172684
申请日：2011-08-08
申请人： Denso Corp , 株式会社デンソー
发明人： MORITA HIROYUKI , MAEHARA TSUNEO
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a discharge circuit for a capacitor that prevents a reduction in determination accuracy of the presence or absence of abnormality of discharge resistors 26a and 26b.SOLUTION: A power conversion system includes: a high-voltage battery 16; an inverter 12 that has a pair of input terminals and is connected to the high-voltage battery 16 via the pair of input terminals; a capacitor 15 that is connected between the pair of input terminals; and a delay circuit 36 that is connected between the pair of input terminals. The delay circuit 36 includes a pair of discharge resistors 26a and 26b, and a delay capacitor 32 connected in parallel to the discharge resistor 26b. The presence or absence of abnormality of the discharge resistors 26a and 26b are determined based on a voltage at a connection point of the discharge resistor 26b and the delay capacitor 32.
摘要翻译：要解决的问题：提供一种用于防止放电电阻26a和26b的存在或不存在的确定精度降低的电容器的放电电路。电源转换系统包括：高压电池16; 具有一对输入端子并通过一对输入端子与高电压电池16连接的逆变器12; 电容器15，其连接在所述一对输入端子之间; 以及连接在该对输入端子之间的延迟电路36。延迟电路36包括一对放电电阻26a和26b以及与放电电阻器26b并联连接的延迟电容器32。放电电阻26a和26b的存在或不存在基于放电电阻器26b和延迟电容器32的连接点处的电压来确定。（C）2013，JPO和INPIT

38. 发明专利

JP2013031259A Discharge circuit for capacitor 有权
标题翻译：放电电路用于电容器
公开(公告)号：JP2013031259A
公开(公告)日：2013-02-07
申请号：JP2011164270
申请日：2011-07-27
申请人： Denso Corp , 株式会社デンソー
发明人： KUBO SHUNICHI , MAEHARA TSUNEO , WATANABE KAZUNORI
IPC分类号： H02M7/48 , H02M3/00
摘要： PROBLEM TO BE SOLVED: To provide a discharge circuit for a capacitor allowing suppression of an increase in the physical size.SOLUTION: A power conversion system includes: a high-voltage battery 16; an inverter 12 that has a pair of input terminals and is connected to the high-voltage battery 16 via the pair of input terminals; a capacitor 20 that is connected between the pair of input terminals; and a discharge circuit 22. A series connection body composed of a photodiode 26a and a discharge resistor body 24 of the discharge circuit 22 is connected between the pair of input terminals of the inverter 12. Further, one end of the phototransistor 26b is connected to a power supply 30 via a resistor body 28 and the other end is connected to the ground. Moreover, the resistance value of the discharge resistor body 24 is set so that the phototransistor 26b is turned on when the discharge resistor body 24 is normal. In this configuration, the presence or absence of abnormality (open failure) of the discharge resistor body 24 is determined on the basis of a voltage between the resistor body 28 and the phototransistor 26b.
摘要翻译：要解决的问题：提供一种允许抑制物理尺寸增加的电容器的放电电路。电源转换系统包括：高压电池16; 具有一对输入端子并通过一对输入端子与高电压电池16连接的逆变器12; 电容器20，其连接在所述一对输入端子之间; 和放电电路22.由放电电路22的光电二极管26a和放电电阻体24构成的串联连接体连接在逆变器12的一对输入端子之间。此外，光电晶体管26b的一端与经由电阻体28的电源30，另一端与地连接。此外，放电电阻体24的电阻值被设定为使得当放电电阻体24正常时光电晶体管26b导通。在该结构中，基于电阻体28和光电晶体管26b之间的电压确定放电电阻体24的异常（开路故障）的有无。版权所有（C）2013，JPO＆INPIT

39. 发明专利

JP2012244295A Semiconductor device and circuit for controlling potential of gate of insulated gate switching element 有权
标题翻译：用于控制绝缘闸门开关元件电位的半导体器件和电路
公开(公告)号：JP2012244295A
公开(公告)日：2012-12-10
申请号：JP2011110514
申请日：2011-05-17
申请人： Toyota Motor Corp , トヨタ自動車株式会社 , Denso Corp , 株式会社デンソー
发明人： HATA KEISUKE , MAEHARA TSUNEO
IPC分类号： H03K17/687
CPC分类号： H03K17/04123 , H02M1/08
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor device for controlling a potential of a gate of an insulated gate switching element which can be used for both low speed switching and high speed switching.SOLUTION: The semiconductor device for outputting a signal to control a potential of a gate of an insulated gate switching element includes a first signal output terminal, can receive an input reference signal varying between a first potential and a second potential higher than the first potential or generate such a reference signal therein, and can selectively execute a first operation of outputting to the first signal output terminal a signal that is at a third potential when the reference signal is at the first potential and is at a fourth potential higher than the third potential when the reference signal is at the second potential, and a second operation of outputting to the first signal output terminal a signal that is at the fourth potential when the reference signal is at the first potential and is at the third potential when the reference signal is at the second potential.
摘要翻译：要解决的问题：提供一种用于控制可用于低速切换和高速切换两者的绝缘栅极开关元件的栅极的电位的半导体器件。解决方案：用于输出控制绝缘栅极开关元件的栅极电位的信号的半导体器件包括第一信号输出端，可以接收在第一电位和第二电位之间变化的输入参考信号第一电位或在其中产生这样的参考信号，并且可以选择性地执行第一操作，当参考信号处于第一电位并且处于第四电位时，向第一信号输出端输出处于第三电位的信号，并且处于第四电位当参考信号处于第二电位时的第三电位，以及当参考信号处于第一电位时，向第一信号输出端输出处于第四电位的信号并且当第二电位为第三电位时的第二电位参考信号处于第二电位。版权所有（C）2013，JPO＆INPIT

40. 发明专利

JP2012178021A Fault information transmission device 有权
标题翻译：故障信息传输设备
公开(公告)号：JP2012178021A
公开(公告)日：2012-09-13
申请号：JP2011040184
申请日：2011-02-25
申请人： Denso Corp , 株式会社デンソー
发明人： HAMANAKA YOSHIYUKI , MAEHARA TSUNEO
IPC分类号： G05B23/02 , H02P29/00
CPC分类号： B60L3/003 , B60L3/0038 , B60L3/0084 , B60L2240/525 , B60L2240/527
摘要： PROBLEM TO BE SOLVED: To provide a fault information transmission device capable of appropriately transmitting two or more pieces of fault information by a simple configuration.SOLUTION: A control circuit 126 transmits two or more pieces of fault information as respectively different pulse signals through one signal line 126b. To put it concretely, the two or more pieces of fault information are transmitted as the pulse signals of different frequencies respectively. Then, a microcomputer 127 receives the pulse signals transmitted by the control circuit 126 through one signal line 126b, and specifies the fault information on the basis of the received pulse signals. Also, when a plurality of faults simultaneously occur, the control circuit 126 preferentially transmits the fault information with high priority of transmission. Thus, the two or more pieces of fault information are appropriately transmitted by a simple configuration.
摘要翻译：解决的问题：提供能够通过简单的配置适当地发送两条或多条故障信息的故障信息发送装置。解决方案：控制电路126通过一个信号线126b将两条或更多条故障信息作为分别不同的脉冲信号发送。具体来说，两条或多条故障信息分别作为不同频率的脉冲信号发送。然后，微计算机127通过一个信号线126b接收由控制电路126发送的脉冲信号，并基于接收到的脉冲信号指定故障信息。此外，当多个故障同时发生时，控制电路126优先发送具有高优先级传输的故障信息。因此，通过简单的配置适当地发送两条以上的故障信息。版权所有（C）2012，JPO＆INPIT

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