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    • 5. 发明专利
    • Acceleration sensor device
    • 加速传感器装置
    • JP2009264809A
    • 2009-11-12
    • JP2008112052
    • 2008-04-23
    • Kyocera Corp京セラ株式会社
    • IMUTA KAZUHITOHIRAYAMA KOICHI
    • G01P15/11
    • PROBLEM TO BE SOLVED: To provide an acceleration sensor device which has a simple structure, is easy to manufacture and has high reliability and accuracy in detection of acceleration. SOLUTION: The acceleration sensor device has a plurality of coiled conductors 2 which are arranged in the length direction outside a columnar space 1 and surround the space 1, respectively, elastic members 4 which are disposed respectively from the opposite ends of the space 1 toward the central part and a high permeability material block 3 which is held between the elastic members 4 in the space 1. The high permeability material block 3 comes to a standstill at a position where the inertial force according to acceleration and a stress working from the elastic member 4 are in balance, and changes the inductance of the coiled conductor 2. By measuring beforehand the stress associated with a change in the shape of the elastic member 4, therefore, the acceleration can be easily detected by calculation based on the position of the high permeability material block 3 and the mass of the block 3. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决问题:提供一种结构简单,易于制造,加速度检测的可靠性和精度高的加速度传感器装置。 解决方案:加速度传感器装置具有多个螺旋导体2,它们分别沿圆柱形空间1的长度方向布置并围绕空间1,分别从空间的相对端分别设置的弹性构件4 1,并且保持在空间1中的弹性构件4之间的高磁导率材料块3.高导磁性材料块3在根据加速度和应力作用的惯性力的位置处停止 弹性构件4平衡,并且改变线圈导体2的电感。通过预先测量与弹性构件4的形状变化相关联的应力,因此可以通过基于位置的计算容易地检测加速度 的高磁导率材料块3和块3的质量。版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Magnetic fluid accelerometer equipped with active suspension
    • 配有主动悬架的磁性流量计
    • JP2006091019A
    • 2006-04-06
    • JP2005276932
    • 2005-09-22
    • Innalabs Technologies Incインナラブス テクノロジーズ, インコーポレイテッド
    • SIMONENKO DMITRI VSUPRUN ANTON EROMANOV YURI I
    • G01P15/02G01P15/11G01P15/18
    • G01P7/00G01C21/16G01P15/0888G01P15/105G01P15/11G01P15/132G01P15/18
    • PROBLEM TO BE SOLVED: To provide a method for measuring acceleration with a wide dynamic range and a high frequency response. SOLUTION: This method includes suspending an inertial body 202 by using a magnetic fluid 204, generating a magnetic field in the magnetic fluid, balancing a change in position of the inertial body as to a magnetic field generation source owing to acceleration with a modulation of the magnetic field, and calculating acceleration based on the modulation. In the process of the calculation, acceleration is derived from the amount of current, passing through a drive coil 302, required for the modulation. The acceleration comprises linear acceleration and/or angular acceleration. The drive coil comprises a permanent magnet, an electromagnet, or a combination of a permanent magnet and an electromagnet. Displacement of the inertial body can be detected by sensing coils 304 and 306. Each sensing coil can be disposed substantially inside a corresponding drive coil. The inertial body has no or weak magnetism, or else, the inertial body can have a ferromagnetic coating. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于测量具有宽动态范围和高频响应的加速度的方法。 解决方案:该方法包括通过使用磁性流体204悬挂惯性体202,在磁性流体中产生磁场,平衡由于加速而产生的惯性体与磁场产生源的位置的变化 调制磁场,并基于调制计算加速度。 在计算过程中,通过调制所需的通过驱动线圈302的电流量导出加速度。 加速度包括线性加速度和/或角加速度。 驱动线圈包括永磁体,电磁体或永磁体和电磁体的组合。 可以通过感测线圈304和306来检测惯性体的位移。每个感测线圈可以基本上设置在相应的驱动线圈内部。 惯性体具有无磁性或弱磁性,或者惯性体可具有铁磁性涂层。 版权所有(C)2006,JPO&NCIPI