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1. 发明专利

JP2011125101A Current detector, power supply device and current detection method 审中-公开
标题翻译：电流检测器，电源装置和电流检测方法
公开(公告)号：JP2011125101A
公开(公告)日：2011-06-23
申请号：JP2009279120
申请日：2009-12-09
申请人： Furukawa Automotive Systems Inc , Furukawa Electric Co Ltd:The , 古河As株式会社 , 古河電気工業株式会社
发明人： HORI SHINJI , TSUDA RYUTA
IPC分类号： H02H3/087 , B60R16/02 , G01D3/028 , G01R19/00 , G01R19/165 , G05F1/10 , H02J1/00
摘要： PROBLEM TO BE SOLVED: To provide a current detector, wherein data tables for temperature correction are generated only at two or more predetermined temperature point and a current detection value is accurately corrected to within a wide range of ambient temperatures which use them, and to provide a power supply device equipped therewith, and a current detection method. SOLUTION: A temperature correction unit 130 includes a computing means 131, a memory 132, a first AD conversion means 133 and a second AD conversion means 134. Voltage-current conversion tables corresponding to typical temperature points are generated and are stored in the memory 132, beforehand. Based on the ambient temperature T, the computing means 131 selects typical temperature points T1, T2 sandwiching it and determines a load current with respect to measured voltage Vt from the voltage-current conversion table corresponding to each typical temperature point. By using these two load currents, the computing means computes a load current at the ambient temperature T through linear interpolation. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种电流检测器，其中用于温度校正的数据表仅在两个或更多个预定温度点产生，并且电流检测值被精确地校正到使用它们的环境温度的宽范围内，并提供配备有电力供给装置的电流检测方法。解决方案：温度校正单元130包括计算装置131，存储器132，第一AD转换装置133和第二AD转换装置134.产生对应于典型温度点的电压 - 电流转换表并存储在存储器132。基于环境温度T，计算装置131选择夹着它的典型温度点T1，T2，并根据与每个典型温度点对应的电压 - 电流转换表确定关于测量电压Vt的负载电流。通过使用这两个负载电流，计算装置通过线性插值计算环境温度T下的负载电流。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2005337722A Current detecting apparatus, current detecting apparatus and coil for car 审中-公开
标题翻译：电流检测装置，电流检测装置和线圈
公开(公告)号：JP2005337722A
公开(公告)日：2005-12-08
申请号：JP2004152834
申请日：2004-05-24
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： YASUI TAKAHIRO , TSUDA RYUTA , TSUYUKI MASAMICHI
IPC分类号： G01R15/20 , G01R19/00
摘要： PROBLEM TO BE SOLVED: To provide a noncontact current detecting apparatus etc. capable of avoiding the effects of the hysteresis of a magnetic body, achieving compactness and thinness in size at low costs, and being constituted of a small number of parts. SOLUTION: The current detecting apparatus 1 for detecting a current to be detected by a noncontact way is provided with both a current path constituting a single layer or a plurality of layers of a loop-like coil by sequentially folding, at a plurality of parts, a long and flexible rectangular conductor 11 coated with an insulating material and a magnetic detecting element 12 arranged in an internal space 11a inside the loop of the current path for detecting a magnetic field generated in the internal space by the current to be detected. With the current to be detected made to flow through the current path, the current to be detected is detected on the basis of detection output of the magnetic detection element. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够避免磁体的滞后效应的非接触电流检测装置等，以低成本实现尺寸的小型化和薄型化，并且由少数部分构成。解决方案：用于以非接触方式检测要检测的电流的电流检测装置1通过以多个方式依次折叠来构成构成单层或多层环状线圈的电流路径的部件，涂覆有绝缘材料的长且柔性的矩形导体11和布置在电流路径的环路内部的内部空间11a中的磁性检测元件12，用于检测在内部空间中由待检测的电流产生的磁场。在要检测的电流流过电流路径的情况下，基于磁检测元件的检测输出来检测要检测的电流。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2014038053A Temperature variation detector 审中-公开
标题翻译：温度变化检测器
公开(公告)号：JP2014038053A
公开(公告)日：2014-02-27
申请号：JP2012181262
申请日：2012-08-19
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社 , Furukawa Automotive Systems Inc , 古河As株式会社
发明人： TSUDA RYUTA
IPC分类号： G01K3/14
摘要： PROBLEM TO BE SOLVED: To specify a position at which the temperature varies with a simple circuit configuration.SOLUTION: The temperature variation detector includes: a plurality of resistance elements (thermistors 31-33) whose resistance values vary depending on temperature and that are interconnected in series; at least one time constant element (capacitor 41, 42) that is connected to respective nodes of the plurality of resistance elements interconnected in series and forms a predetermined time constant with the resistance elements; a reference signal source(reference signal generation section 11) for applying a reference signal to the plurality of resistance elements; and specifying means (control section 13) for specifying, on the basis of the characteristic variation of the reference signal due to variation in time constant, a resistance element whose temperature varies.
摘要翻译：要解决的问题：指定温度随简单电路配置变化的位置。解决方案：温度变化检测器包括：多个电阻值（热敏电阻31-33），其电阻值根据温度而变化并且互连串联; 至少一个时间常数元件（电容器41,42），其连接到所述多个电阻元件的与所述电阻元件串联形成预定时间常数的各节点; 用于将参考信号施加到多个电阻元件的参考信号源（参考信号产生部分11）以及指定装置（控制部分13），用于根据由于时间常数的变化引起的参考信号的特性变化来指定温度变化的电阻元件。

4. 发明专利

JP2010036646A Power supplying device for vehicle and power supplying method for vehicle 有权
标题翻译：用于车辆的电力供应装置和用于车辆的电力供应方法
公开(公告)号：JP2010036646A
公开(公告)日：2010-02-18
申请号：JP2008199534
申请日：2008-08-01
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： SHIOZAKI HIROTOMO , TSUDA RYUTA , INOUE KEI , HONMA HISAO
IPC分类号： B60R16/033 , H02J7/00
CPC分类号： Y02T10/92
摘要： PROBLEM TO BE SOLVED: To provide a power supplying device for a vehicle, in which a semiconductor switch is connected between a power source and a load, and which makes a fuse function into a semiconductor, reduces a standby current, downsizes a vehicle, and is free from maintenance, and also to provide a power supplying method for a vehicle. SOLUTION: This power supplying device 1 for the vehicle comprises: a semiconductive switch 4 connected between a power source 2 and an ECU 3; a semiconductive switch control part 5; a bypass circuit 6 parallelly connected to the semiconductive switch 4; a PTC element 7 provided to the bypass circuit 6; and a control part 8 for driving the semiconductive switch control part 5 and turning off the semiconductive switch 4. When the semiconductive switch 4 is turned off, power supply to the ECU 3 through a route via the semiconductive switch 4 is blocked. The power is supplied from the power source 2 to the ECU 3, therefore, through the PTC element 7 via the bypass circuit 6, into a power-saving mode with a current smaller than a load current in a regular mode. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种其中半导体开关连接在电源和负载之间并且将保险丝功能引入到半导体中的用于车辆的供电装置，降低了待机电流，从而减小了车辆，并且没有维护，并且还提供用于车辆的供电方法。解决方案：该车辆用供电装置1包括：连接在电源2和ECU3之间的半导体开关4; 半导体开关控制部5; 并联连接到半导体开关4的旁路电路6; 设置到旁路电路6的PTC元件7; 以及用于驱动半导体开关控制部分5并关闭半导体开关4的控制部分8.当半导体开关4断开时，通过半导体开关4的路径向ECU 3供电被阻断。从电源2向ECU 3供电，通过PTC元件7经由旁路电路6，以规定模式的电流小于负载电流的电力供给模式。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009298260A Abnormal electric current detecting device and abnormal electric current detecting method 有权
标题翻译：异常电流检测装置和异常电流检测方法
公开(公告)号：JP2009298260A
公开(公告)日：2009-12-24
申请号：JP2008153952
申请日：2008-06-12
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： TSUDA RYUTA , INOUE KEI , HONMA HISAO , SHIOZAKI HIROTOMO
IPC分类号： B60R16/02 , G01R19/00 , G01R19/165 , H02H3/093 , H02P29/00
摘要： PROBLEM TO BE SOLVED: To provide an abnormal electric current detecting device and an abnormal electric current detecting method capable of accurately detecting a layer short circuit which occurs in various forms. SOLUTION: The abnormal electric current detecting device 20 for detecting an abnormal electric current flowing in an electric line 25 includes a semiconductor switch 22, a semiconductor switch drive circuit 24, an electric current detecting circuit 26 for detecting an electric current flowing in the electric line 25, and a control unit 30 for driving and controlling the semiconductor switch drive circuit 24. A CPU 32 of the control unit 30 performs a layer short circuit detection process according to a program stored in a memory 33, and determines whether the abnormal electric current flowing in the electric line 25 due to the occurrence of the layer short circuit based on an amount of change in the electric current per predetermined period of time (di/dt). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供能够精确地检测以各种形式发生的层短路的异常电流检测装置和异常电流检测方法。解决方案：用于检测在电线25中流动的异常电流的异常电流检测装置20包括半导体开关22，半导体开关驱动电路24，用于检测流过电流的电流的电流检测电路26 电线25和用于驱动和控制半导体开关驱动电路24的控制单元30.控制单元30的CPU32根据存储在存储器33中的程序执行层次短路检测处理，并且确定是否由于基于每预定时间段的电流变化量（di / dt）发生层短路而在电线25中流动的异常电流。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2014158326A Power supply device 有权
标题翻译：电源设备
公开(公告)号：JP2014158326A
公开(公告)日：2014-08-28
申请号：JP2013026890
申请日：2013-02-14
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社 , Furukawa Automotive Systems Inc , 古河As株式会社
发明人： TSUDA RYUTA , SUGIMURA TAKEZO , KAWAHARA KEISUKE
IPC分类号： H02H3/087 , H02H3/08 , H02H3/093 , H02J1/00 , H02M1/00
摘要： PROBLEM TO BE SOLVED: To provide a power supply device capable of protecting both a semiconductor switch and a power supply line with an inexpensive configuration, while keeping an operation state of the semiconductor switch connected to a specific load so that an object system is in a safety side.SOLUTION: A power supply device 100 includes: semiconductor switches 110 having self protection means 111; a control section 120 which controls one or more semiconductor switches 110, and monitors and protects each of the semiconductor switches 110 and each of power supply lines 11 connected with each of the semiconductor switches; a monitoring section 130 which monitors an operation of the control section 120; and a protection characteristic adjustment section 131. When the abnormality of the control section 120 is detected, a predetermined signal 33 for adjustment is output to the semiconductor switch 110 from the protection characteristic adjustment section 131, and a threshold with respect to an overcurrent of the self protection means 111 is adjusted.
摘要翻译：要解决的问题：为了提供能够以廉价的结构保护半导体开关和电源线两者的电源装置，同时保持半导体开关的操作状态连接到特定负载，使得对象系统处于安全侧。电源装置100包括：具有自我保护装置111的半导体开关110; 控制部分120，其控制一个或多个半导体开关110，并且监视和保护每个半导体开关110以及与每个半导体开关连接的每个电源线11; 监视控制部120的动作的监视部130; 和保护特性调整部分131.当检测到控制部分120的异常时，用于调整的预定信号33从保护特性调节部分131输出到半导体开关110，并且相对于自我保护装置111被调整。

7. 发明专利

JP2013205293A Temperature detector and temperature detection method 审中-公开
标题翻译：温度检测器和温度检测方法
公开(公告)号：JP2013205293A
公开(公告)日：2013-10-07
申请号：JP2012075866
申请日：2012-03-29
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社 , Furukawa Automotive Systems Inc , 古河As株式会社
发明人： TSUDA RYUTA , DOI SHOGO
IPC分类号： G01K1/14 , G01K7/24
摘要： PROBLEM TO BE SOLVED: To provide a temperature detector and the like capable of accurately detecting the temperature of a semiconductor element.SOLUTION: A temperature detector 1 of the present invention includes: a semiconductor element 3 that is mounted on the upper surface of a substrate 2; and a temperature sensor 4 that is provided inside the substrate 2 under the semiconductor element 3 and detects the temperature of the semiconductor element 3. The substrate 2 includes: a current path 11 through which current is supplied to the semiconductor element 3; and an analog signal line 12 through which current is supplied to the temperature sensor 4. The current path 11 and analog signal line 12 are approximately orthogonal to each other.
摘要翻译：要解决的问题：提供能够精确地检测半导体元件的温度的温度检测器等。本发明的温度检测器1包括：半导体元件3，其安装在基板的上表面 2; 以及温度传感器4，其设置在半导体元件3的下方的基板2内部，并检测半导体元件3的温度。基板2包括：电流路径11，电流被供给到半导体元件3; 以及模拟信号线12，电流被提供给温度传感器4.电流路径11和模拟信号线12彼此近似正交。

8. 发明专利

JP2012208652A Power supply device and power supply method 有权
标题翻译：电源设备和电源方法
公开(公告)号：JP2012208652A
公开(公告)日：2012-10-25
申请号：JP2011072835
申请日：2011-03-29
申请人： Furukawa Electric Co Ltd:The , Furukawa Automotive Systems Inc , 古河As株式会社 , 古河電気工業株式会社
发明人： TSUDA RYUTA , FURUKAWA KAZUNARI
IPC分类号： G05F1/10 , G01R19/165 , H02H3/087 , H02H7/20
摘要： PROBLEM TO BE SOLVED: To provide a power supply device and a power supply method having determination accuracy of overcurrent occurrence.SOLUTION: The power supply device includes: a switching element connected between a power source and load; a current detection section for outputting detection current corresponding to load current supplied from the power source to the load via the switching element; and an overcurrent determination section including a first circuit having a characteristic in which an input/output ratio becomes high according to a difference between loss by the load current and allowable power dissipation and a second circuit having an output characteristic proportional to the load current to perform an overcurrent determination by an addition value of an output of the first circuit and an output of the second circuit when the detection current is inputted.
摘要翻译：要解决的问题：提供具有过电流发生的确定精度的电源装置和电源方法。电源装置包括：连接在电源和负载之间的开关元件; 电流检测部，其经由所述开关元件输出与从所述电源向所述负载供给的负载电流对应的检测电流; 以及过电流确定部分，包括具有根据负载电流的损耗和容许功率耗散之间的输入/输出比变高的特性的第一电路和具有与负载电流成比例的输出特性的第二电路，以执行当输入检测电流时，通过第一电路的输出的相加值和第二电路的输出的过电流确定。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2011085470A Apparatus and method for current detection 有权
标题翻译：电流检测装置及方法
公开(公告)号：JP2011085470A
公开(公告)日：2011-04-28
申请号：JP2009238119
申请日：2009-10-15
申请人： Furukawa Automotive Systems Inc , Furukawa Electric Co Ltd:The , 古河As株式会社 , 古河電気工業株式会社
发明人： TSUDA RYUTA , FURUKAWA KAZUNARI
IPC分类号： G01R19/32 , H02H7/20 , H02M1/00
摘要： PROBLEM TO BE SOLVED: To provide a current detection apparatus that compensates for the temperature dependence of on-resistance to detect a load current with high accuracy. SOLUTION: A temperature correction unit 130 includes an arithmetic means 131, a memory 132, a first AD conversion means 133, and a second AD conversion means 134. The on-resistance Rds_ON B (T0) of a power MOSFET 30 at ambient temperature T0 is measured in advance. A temperature coefficient TCds_ON B (T0) at ambient temperature T0 is calculated from the on-resistance Rds_ON B (T0) using correlation peculiar to the type of the power MOSFET 30. From the on-resistance Rds_ON B (T0) and the temperature coefficient TCds_ON B (T0), on-resistance Rds_ON B (T) when ambient temperature T is changed is determined to create an on-resistance-temperature table in advance, which is stored in the memory 132 to be used. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种补偿导通电阻的温度依赖性的电流检测装置，以高精度检测负载电流。解决方案：温度校正单元130包括算术装置131，存储器132，第一AD转换装置133和第二AD转换装置134.导通电阻Rds_ON B（T0 ）在环境温度T0下测量功率MOSFET 30。使用与功率MOSFET 30的类型相关的相关性，根据导通电阻Rds_ON B （T0）计算环境温度T0下的温度系数TCds_ON B （T0）。从导通电阻Rds_ON B （T0）和温度系数TCds_ON B （T0），导通电阻Rds_ON B （T）确定环境温度T被改变以产生预先存储在要使用的存储器132中的导通电阻温度表。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2015011836A リレー制御装置审中-公开
标题翻译：继电器控制器
公开(公告)号：JP2015011836A
公开(公告)日：2015-01-19
申请号：JP2013135660
申请日：2013-06-27
申请人：古河電気工業株式会社 , Furukawa Electric Co Ltd:The , 古河As株式会社 , Furukawa Automotive Systems Inc , 古河As株式会社
发明人： TSUDA RYUTA , SUGIMURA TAKEZO
IPC分类号： H01H47/22
摘要：【課題】リレーの電力損失を簡単な構成で小さくすることが可能なリレー制御装置を提供する。【解決手段】電磁式リレー20に供給される電力を制御するリレー制御装置において、電磁式リレーの温度を検出する検出手段(サーミスタ11,23)と、検出手段によって電磁式リレーの温度の上昇を検出した場合には、電磁式リレーの電磁コイルに電力が供給されていると判定する判定手段(制御部10)と、判定手段によって、電磁式リレーの電磁コイルに電力が供給されていると判定された場合には、接点が閉じている状態を継続して保持できるレベルまで電磁コイルに供給される電力を減少させる制御を行う制御手段(制御部10、電流制御部12)と、を有する。【選択図】図1
摘要翻译：要解决的问题：提供一种继电器控制器，其中可以以简单的配置降低继电器的功率损耗。解决方案：用于控制提供给电磁继电器20的电力的继电器控制器包括用于检测电磁继电器的温度，当检测装置检测到电磁继电器的温度上升时，确定装置（控制单元10），用于确定已经向电磁继电器的电磁线圈供电;以及控制装置单元10，电流控制单元12），用于当确定装置确定电力被提供给电力线圈时，控制将提供给电磁线圈的电力降低到能够维持和保持闭合接触状态的水平电磁线圈。

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