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    • 73. 发明专利
    • Magnetic core and magnetic balance type current sensor with the same
    • 磁芯和磁平衡型电流传感器
    • JP2013179233A
    • 2013-09-09
    • JP2012043230
    • 2012-02-29
    • Kohshin Electric Corp甲神電機株式会社
    • SHINCHI NOBUYUKI
    • H01F3/02G01R15/20H01F27/24
    • PROBLEM TO BE SOLVED: To provide a magnetic core by which combination strength between divided cores is sufficiently obtained when the magnetic core is formed by combining the divided cores, and which can be manufactured at low cost, and a magnetic balance type current sensor which has excellent measurement accuracy and can be manufactured at low cost.SOLUTION: A magnetic core is constituted by combining a plurality of divided cores 1A and 1B. The divided cores 1A and 1B have: first trunks 12A and 12B; second trunks 14A and 14B; third trunks 13A and 13B. When the divided cores 1A and 1B are combined with each other, the first truck 12A contacts the second trunk 14A, the first trunk 12B contacts the second trunk 14B, and at least one end of the first trunk 12A and the second trunk 14A engages into the corresponding end of the first trunk 12B and the second trunk 14B.
    • 要解决的问题:提供一种磁芯,当通过组合分割铁芯并且可以以低成本制造形成磁芯时,通过该磁芯可以充分获得分离磁芯之间的组合强度,并且具有磁性平衡型电流传感器 优异的测量精度,并且可以低成本地制造。解决方案:通过组合多个分开的芯1A和1B来构成磁芯。 分割铁芯1A和1B具有:第一中继线12A和12B; 第二中继线14A和14B; 第三干线13A和13B。 当分割铁芯1A和1B彼此组合时,第一车辆12A接触第二行李箱14A,第一行李箱12B接触第二行李箱14B,并且第一行李箱12A和第二行李箱14的至少一端接合 第一干线12B和第二干线14B的相应端部。
    • 74. 发明专利
    • Shape of magnetic core in current sensor
    • 电流传感器中磁芯的形状
    • JP2013054016A
    • 2013-03-21
    • JP2011205251
    • 2011-08-31
    • Kohshin Electric Corp甲神電機株式会社
    • ITO MITSUO
    • G01R15/20H01F27/24H01F38/40
    • PROBLEM TO BE SOLVED: To inexpensively provide a small and lightweight current sensor for a large current without impairing, by a measurement current, a range of linearity between a measurement current and a magnetic flux generated in a gap of an annular magnetic core.SOLUTION: The annular magnetic core is constituted by stacking magnetic materials formed in an annular shape with gaps, and further in the shape, the width dimension of the annular magnetic core is varied according to the magnetic flux so as to enlarge the range of linearity between a measurement current and a magnetic flux generated in the gap.
    • 要解决的问题:为了廉价地为大电流提供小而轻的电流传感器,而不会通过测量电流损害测量电流与在环形磁芯的间隙中产生的磁通量之间的线性范围 。 解决方案:环形磁芯是通过堆叠形成为具有间隙的环形形状的磁性材料构成的,并且在形状上,环形磁芯的宽度尺寸根据磁通量而变化,从而扩大了范围 在间隙中产生的测量电流和磁通之间的线性度。 版权所有(C)2013,JPO&INPIT
    • 75. 发明专利
    • Current sensor
    • 电流传感器
    • JP2013024851A
    • 2013-02-04
    • JP2011174350
    • 2011-07-21
    • Kohshin Electric Corp甲神電機株式会社
    • MURATA KATSUHIROKODAMA MASAYUKIHIGASHIMORI YUKITANAKA YUICHI
    • G01R15/20H01L43/02
    • PROBLEM TO BE SOLVED: To provide a current sensor that is low cost and has stable quality, and in which a magnetoelectric transducer having a one-way lead terminal is implemented in a vertical direction to a packaging substrate.SOLUTION: An element support part is formed by bending the lead terminal of a magnetoelectric transducer having a one-way lead terminal at almost a right angle. The tip part of the formed element support part is further bent at almost a right angle to a packaging substrate side. A bent part for positioning is provided that can fix the implementation position of the magnetoelectric transducer by inserting the bent part for positioning into a lead terminal insertion hole for implementation provided with the packaging substrate. In order to implement the magnetoelectric transducer in the vertical direction to the packaging substrate, both ends of the element support part formed by bending the lead terminal of the magnetoelectric transducer almost at a right angle is formed into a funnel shape on the surface of the packaging substrate. As a result, the magnetoelectric transducer is made to have independent stability.
    • 要解决的问题:提供一种低成本且质量稳定的电流传感器,其中具有单向引线端子的磁电变换器在垂直于包装基板的方向上实现。 解决方案:通过使具有单向引线端子的磁电变换器的引线端子几乎成直角弯曲来形成元件支撑部分。 形成的元件支撑部的前端部与包装基板侧进一步弯曲成大致直角。 提供了用于定位的弯曲部分,其可以通过将用于定位的弯曲部分插入到具有封装基板的实现的引线端子插入孔中来固定磁电变换器的实现位置。 为了在与包装基板垂直的方向上实现磁电换能器,通过将大致成直角的磁电变换器的引线端弯曲而形成的元件支撑部的两端在包装的表面上形成为漏斗状 基质。 结果,磁电换能器具有独立的稳定性。 版权所有(C)2013,JPO&INPIT
    • 78. 发明专利
    • Current sensor
    • 电流传感器
    • JP2011185914A
    • 2011-09-22
    • JP2010070898
    • 2010-03-04
    • Kohshin Electric Corp甲神電機株式会社
    • MIYAWAKI TATESHIOKADA AKIRASHINCHI NOBUYUKI
    • G01R15/20
    • PROBLEM TO BE SOLVED: To provide a current sensor that is small and inexpensive and can accurately detect current to be measured using a multilayer printed wiring board. SOLUTION: A coil section as a primary conductor pattern of at least one coil shape is formed in the multilayer printed wiring board, and a magnetoelectric conversion element is built. Thus, withstand insulating voltage between the primary conductor pattern and magnetoelectric conversion element is improved, the magnetic flux applied to the magnetoelectric conversion element is increased by setting the primary conductor pattern in the coil shape, the cost is reduced, and the primary conductor pattern can approach the magnetoelectric conversion element. Therefore, the accuracy can be increased. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种小型且便宜的电流传感器,并且可以使用多层印刷线路板精确地检测待测量的电流。 解决方案:在多层印刷线路板中形成作为至少一个线圈形状的主导体图案的线圈部分,并构建磁电转换元件。 因此,能够提高主导体图案与磁电转换元件之间的绝缘电压,通过将主导体图案设定为线圈形状来增加施加到磁电转换元件的磁通量,成本降低,并且主导体图案可以 接近磁电转换元件。 因此,可以提高精度。 版权所有(C)2011,JPO&INPIT
    • 80. 发明专利
    • Current sensor
    • 电流传感器
    • JP2010101871A
    • 2010-05-06
    • JP2008297318
    • 2008-10-23
    • Kohshin Electric Corp甲神電機株式会社
    • SHINCHI NOBUYUKIOKADA AKIRA
    • G01R15/20
    • PROBLEM TO BE SOLVED: To make direction adjustment easy of the bias magnetic field generated in a bias magnetic field generating section in a traditional magnetic sensor with a configuration where the bias magnetic field generating section is present. SOLUTION: Because at least two bias magnetic field generating sections at one of which at least magnetic field strength generated is variable is deposited on a sensor substrate containing a current detecting device and the current detecting device is configured to be deposited in a domain sandwiched between a plurality of the bias magnetic field generating sections, a direction of the bias magnetic field can be varied easily resulted in possibility of highly precise measurement. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了使具有偏置磁场产生部的结构的传统磁传感器中的偏置磁场产生部分中产生的偏置磁场的方向调整变得容易。 解决方案:由于至少两个偏置磁场产生部分至少产生了磁场强度可变的偏磁场产生部分沉积在包含电流检测装置的传感器基板上,并且电流检测装置被配置为沉积在一个域 夹在多个偏置磁场产生部之间,偏置磁场的方向可以变化容易地导致高精度测量的可能性。 版权所有(C)2010,JPO&INPIT