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公开(公告)号：US09207264B2
公开(公告)日：2015-12-08
申请号：US13910009
申请日：2013-06-04
Applicant: ALPS GREEN DEVICES CO., LTD.
Inventor： Yosuke Ide , Masamichi Saito , Akira Takahashi , Masahiro Iizuka , Kenji Ichinohe , Yoshihiro Nishiyama , Mitsuo Aratono
CPC classification number: G01R15/205 , B82Y25/00 , G01R33/09 , G01R33/093 , H01F10/3272 , H01L27/22 , H01L43/08
Abstract: A current sensor includes a substrate, a conductive body being provided above the substrate and extending in one direction, and magnetoresistance effect elements being provided between the substrate and the conductive body and outputting output signals owing to an induction magnetic field from a current to be measured being conducted through the conductive body, wherein each of the magnetoresistance effect elements has a laminated structure including a ferromagnetic fixed layer whose magnetization direction is fixed, a non-magnetic intermediate layer, and a free magnetic layer whose magnetization direction fluctuates with respect to an external magnetic field, the ferromagnetic fixed layer is a self-pinned type formed by antiferromagnetically coupling a first ferromagnetic film and a second ferromagnetic film through an antiparallel coupling film, the Curie temperatures of the first ferromagnetic film and the second ferromagnetic film are approximately equal, and a difference between the magnetization amounts thereof is substantially zero.
Abstract translation: 电流传感器包括衬底，导电体设置在衬底上并在一个方向上延伸，并且磁阻效应元件设置在衬底和导电体之间，并且由于来自待测电流的感应磁场而输出输出信号 通过导电体导电，其中每个磁阻效应元件具有包括其磁化方向固定的铁磁固定层，非磁性中间层和磁化方向相对于外部的磁化方向波动的自由磁性层的层压结构 铁磁固定层是通过反平行耦合膜反铁磁耦合第一铁磁膜和第二铁磁膜而形成的自固定型，第一铁磁膜和第二铁磁性膜的居里温度近似相等， t之间的区别 其磁化量基本为零。
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公开(公告)号：US20150069997A1
公开(公告)日：2015-03-12
申请号：US14540978
申请日：2014-11-13
Applicant: ALPS GREEN DEVICES CO., LTD.
Inventor： Ken KAWAHATA , Nobuyoshi YAMASAKI , Masatoshi NOMURA
CPC classification number: G01R19/32 , G01R1/30 , G01R3/00 , G01R15/207 , G01R19/25 , G01R33/09 , G01R35/00 , H03F1/30 , H03F3/45475 , H03F3/45968 , H03F2200/228 , H03F2200/261 , H03F2200/411 , H03F2203/45528 , Y10T29/4902
Abstract: A manufacturing method is used for a current sensor including a current measurement circuit configured to include magnetoelectric conversion elements, a first amplification-and-correction circuit configured to amplify an output of the current measurement circuit and correct, based on a set first correction amount, a temperature characteristic of an offset, a second amplification-and-correction circuit configured to amplify an output of the first amplification-and-correction circuit, adjust a sensitivity, and correct, based on a set second correction amount, a magnitude of the offset, and a substrate in which the current measurement circuit, the first amplification-and-correction circuit, and the second amplification-and-correction circuit are provided, wherein after the first correction amount is set based on characteristics of the magnetoelectric conversion elements, the magnetoelectric conversion elements are mounted in the substrate and the second correction amount is set.
Abstract translation: 一种电流传感器的制造方法，包括电流测量电路，其被配置为包括磁电转换元件，第一放大校正电路，被配置为放大电流测量电路的输出，并且基于设定的第一校正量来校正， 偏移的温度特性，第二放大校正电路，被配置为放大第一放大校正电路的输出，调整灵敏度，并根据设定的第二校正量校正偏移量的大小 以及设置有电流测量电路，第一放大校正电路和第二放大校正电路的基板，其中，在基于磁电转换元件的特性设定第一校正量之后， 磁电转换元件安装在基板中，并且设定第二校正量。
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公开(公告)号：US08970214B2
公开(公告)日：2015-03-03
申请号：US13665624
申请日：2012-10-31
Applicant: Alps Green Devices Co., Ltd.
Inventor： Manabu Tamura , Masatoshi Nomura , Hiroyuki Hebiguchi
CPC classification number: G01R15/207 , B60L3/0038 , B60L11/182 , B60L11/1861 , B60L2240/549 , G01R1/203 , G01R19/0092 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7072 , Y02T10/7088 , Y02T90/122 , Y02T90/14
Abstract: A current sensor includes a magnetic balance sensor including a feedback coil that is disposed in the vicinity of a magnetic sensor element whose characteristics are changed by an inducted magnetic field from a current to be measured and generates a cancellation magnetic field for offsetting the inducted magnetic field, a shunt resistant that is connected in series with a current line for circulating the current to be measured, and a switch circuit that switches to magnetic balance detection at the time of a small current and switches to shunt resistance detection at the time of a large current.
Abstract translation: 电流传感器包括磁平衡传感器，该磁平衡传感器包括设置在磁传感器元件附近的反馈线圈，该磁传感器元件的特性通过来自待测电流的感应磁场而变化，并产生用于抵消感应磁场的抵消磁场 ，与用于循环待测电流的电流线串联连接的分流电阻，以及在小电流时切换到磁平衡检测的开关电路，并在大时间切换到分流电阻检测 当前。
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公开(公告)号：US08952687B2
公开(公告)日：2015-02-10
申请号：US13766677
申请日：2013-02-13
Applicant: Alps Green Devices Co., Ltd.
Inventor： Manabu Tamura
CPC classification number: G01R19/0038 , G01R15/207 , G01R19/0053
Abstract: A current sensor includes: a conductive member through which a current to be measured flows; first and second magnetic sensors which output signals having reversed phases to each other due to an induction magnetic field from the current to be measured; and a control unit which performs differential operation on the output signal of the first magnetic sensor and the output signal of the second magnetic sensor, wherein sensing axis directions of the first magnetic sensor and the second magnetic sensor are fixed in the same direction, form a predetermined angle with respect to an application direction of the induction magnetic field from the current to be measured applied to the first magnetic sensor and the second magnetic sensor, and are fixed so that the induction magnetic fields are applied to the first magnetic sensor and the second magnetic sensor in reverse directions to each other.
Abstract translation: 电流传感器包括：流过待测电流的导电部件; 第一和第二磁传感器，其由于来自待测电流的感应磁场而输出具有反相的信号; 以及控制单元，其对第一磁传感器的输出信号和第二磁传感器的输出信号进行差分运算，其中检测第一磁传感器和第二磁传感器的轴方向在相同方向上固定，形成 相对于施加到第一磁传感器和第二磁传感器的被测电流的感应磁场的施加方向的预定角度，被固定为使得感应磁场被施加到第一磁传感器，第二磁传感器 磁传感器彼此相反。
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公开(公告)号：US20140103908A1
公开(公告)日：2014-04-17
申请号：US14137377
申请日：2013-12-20
Applicant: ALPS GREEN DEVICES CO., LTD.
Inventor： Manabu TAMURA
IPC: G01R19/00
CPC classification number: G01R19/0092 , G01R15/20 , G01R15/207 , G01R19/00 , G01R33/02
Abstract: A current sensor of the present invention includes a mounting unit including a disposition region in which a current path is disposed, a pair of magnetic detection elements disposed in the mounting unit so as to sandwich therebetween the disposition region, and an arithmetic circuit performing an arithmetic operation on the current value of the current path on the basis of the detection values of the pair of magnetic detection elements. The pair of magnetic detection elements is disposed on sides opposite to each other with respect to a virtual line passing through the gravity center of the current path in cross-sectional view of the current path, and individually has sensitivity axes parallel to a direction perpendicular to the direction of a current conducted through the current path and the direction of the virtual line.
Abstract translation: 本发明的电流传感器包括安装单元，其包括布置有电流通路的布置区域，设置在安装单元中的一对磁性检测元件，以便将它们夹在其间，配置区域和运算电路， 基于一对磁检测元件的检测值对当前路径的当前值进行动作。 一对磁性检测元件相对于通过电流路径的重心的虚拟线路设置在与电流路径的横截面视图相对的侧上，并且分别具有与垂直于电流路径的方向平行的灵敏度轴 通过电流路径传导的电流的方向和虚拟线的方向。
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Patent Agency Ranking
36.发明申请Fe-BASED AMORPHOUS ALLOY, POWDER CORE USING THE SAME, AND COIL ENCAPSULATED POWDER CORE 有权基于Fe的非晶合金，使用它的粉末芯和线圈加密粉末芯公开(公告)号：US20140097922A1
公开(公告)日：2014-04-10
申请号：US14103614
申请日：2013-12-11
Applicant: Alps Green Devices Co., Ltd.
Inventor： Keiko TSUCHIYA , Hisato KOSHIBA , Kazuya KANEKO , Seiichi ABIKO , Takao MIZUSHIMA
CPC classification number: C22C45/02 , C21D6/00 , C21D2201/03 , C22C33/003 , C22C33/02 , C22C2200/02 , C22C2202/02 , H01F1/15308 , H01F27/255 , H01F41/0226 , H01F2017/048
Abstract: An Fe-based amorphous alloy of the present invention has a composition formula represented by Fe100-a-b-c-x-y-z-tNiaSnbCrcPxCyBzSit, and in the formula, 1 at %≦a≦10 at %, 0 at %≦b≦3 at %, 0 at %≦c≦6 at %, 6.8 at %≦x≦10.8 at %, 2.2 at %≦y≦9.8 at %, 0 at %≦z≦4.2 at %, and 0 at %≦t≦3.9 at % hold. Accordingly, an Fe-based amorphous alloy used for a powder core and/or a coil encapsulated powder core having a low glass transition temperature (Tg), a high conversion vitrification temperature (Tg/Tm), and excellent magnetization and corrosion resistance can be manufactured.
Abstract translation: 本发明的Fe基非晶合金具有由Fe100-abcxyz-tNiaSnbCrcPxCyBzSit表示的组成式，并且在该式中，1at％＆nlE; a＆nlE; 10at％，0at％＆nlE; b＆nlE; 3at％ at％＆nlE; c＆nlE; 6 at％，6.8 at％＆nlE; x＆nlE; 10.8 at％，2.2 at％＆nlE; y＆nlE; 9.8 at％，0 at％＆nlE; z＆nlE; 4.2 at％，0 at％＆nlE; t＆nlE ; 3.9 at％hold。 因此，用于具有低玻璃化转变温度（Tg），高转化玻璃化温度（Tg / Tm）和优异的耐磁化性和耐腐蚀性的粉末芯和/或线圈封装粉末芯的Fe基非晶合金可以是 制造。
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公开(公告)号：USD696148S1
公开(公告)日：2013-12-24
申请号：US29433373
申请日：2012-09-28
Applicant: Alps Green Devices Co., Ltd.
Designer： Hiromichi Koyanagawa
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公开(公告)号：US20130257469A1
公开(公告)日：2013-10-03
申请号：US13769163
申请日：2013-02-15
Applicant: ALPS GREEN DEVICES CO., LTD.
Inventor： Masahito ARIMA
IPC: G01R1/04
CPC classification number: G01R1/0408 , G01R15/207
Abstract: A current sensor including electromagnetic conversion elements to detect magnetic fields generated when current flows through a current path under test, a chassis that stores the electromagnetic conversion elements and includes a channel to which the current path under test is disposed, and an installation member securable to the chassis, with the installation member including two arm units and a connecting unit to movably connect each end of the two arms, in which hook units are provisioned on the outer side of the two arm units, and holes are provisioned on the channel of the chassis to engaged with the hook units of the installation member, and when the current path under test and the installation member is disposed in the channel, the current path under test is securely supported, and at the same time the hook units and the holes are engaged.
Abstract translation: 一种电流传感器，包括电磁转换元件，用于检测当电流流过被测电流路径时产生的磁场;存储电磁转换元件并包括被测电流通路的通道的机架;以及安装部件， 所述底盘具有包括两个臂单元的安装构件和连接单元，以可移动地连接两个臂的每个端部，其中钩单元设置在两个臂单元的外侧上，并且孔设置在 底盘与安装构件的钩单元接合，当被测当前路径和安装构件设置在通道中时，牢固地支撑当前测试路径，同时钩单元和孔是 从事
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公开(公告)号：US20130057266A1
公开(公告)日：2013-03-07
申请号：US13668127
申请日：2012-11-02
Applicant: Alps Green Devices Co., Ltd.
Inventor： Yoshihiro NISHIYAMA , Masamichi SAITO , Akira TAKAHASHI , Masahiro IIZUKA
IPC: G01R33/025
CPC classification number: G01R15/205 , G01R33/093
Abstract: A magnetic balance type current sensor includes a magnetic balance type current sensor including a magnetoresistance effect element whose characteristic changes owing to an induction magnetic field from a current to be measured flowing through a conductor, a feedback coil configured to be disposed in the vicinity of the magnetoresistance effect element and generate a cancelling magnetic field cancelling out the induction magnetic field, a magnetic shield configured to attenuate the induction magnetic field and enhance the cancelling magnetic field, and a hard bias layer configured to be provided on or above the magnetic shield.
Abstract translation: 磁平衡型电流传感器包括磁平衡型电流传感器，该磁平衡型电流传感器包括磁阻效应元件，该磁阻效应元件的特性由于流过导体的待测电流的感应磁场而变化，被配置为设置在接近 产生抵消磁场的抵消磁场，构造成使感应磁场衰减并增强抵消磁场的磁屏蔽，以及配置成设置在磁屏蔽上或上方的硬偏置层。
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公开(公告)号：US20160069963A1
公开(公告)日：2016-03-10
申请号：US14941410
申请日：2015-11-13
Applicant: ALPS GREEN DEVICES CO., LTD.
Inventor： Hiroyuki HEBIGUCHI
IPC: G01R31/36
CPC classification number: G01R31/392 , G01R31/389 , H01M10/052 , H01M10/48 , H02J7/0021
Abstract: The internal impedance |Z| of an electricity storage device is measured at a frequency at which the internal impedance of the electricity storage device does not change with temperature, and the SOC or SOH of the electricity storage device is inferred on the basis of the measured value. Furthermore, the real part R of the internal impedance of the electricity storage device is measured at a frequency at which the real part R of the internal impedance of the electricity storage device does not change with temperature, and the SOC or SOH of the electricity storage device is inferred on the basis of the measured value.
Abstract translation: 内部阻抗| Z | 以蓄电装置的内部阻抗不随温度变化的频率来测量蓄电装置，并且基于测量值推断蓄电装置的SOC或SOH。 此外，蓄电装置的内部阻抗的实部R以蓄电装置的内部阻抗的实部R不随温度变化的频率被测量，并且蓄电装置的SOC或SOH 设备是根据测量值推断的。
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