公开(公告)号：US07710124B2

公开(公告)日：2010-05-04

申请号：US10589191

申请日：2005-02-08

Applicant: Arie Ariav ,  Vladimir Ravitch ,  David Nitsan

Inventor： Arie Ariav ,  Vladimir Ravitch ,  David Nitsan

IPC: G01R27/04

CPC classification number: B64C27/006 ,  G01K11/24 ,  G01L1/10 ,  G01M5/0016 ,  G01M5/005 ,  G01M5/0066 ,  G01N29/07 ,  G01N29/348 ,  G01N2291/02881 ,  G01N2291/2632 ,  G06F3/011 ,  G06F3/0436

Abstract: A method and apparatus for detecting a predetermined condition of a panel by transmitting a cyclically-repeating energy wave through the material (41) of the panel from first location (43a) to a second location (43b); measuring the transit time of the cyclically-repeating energy wave from the first location to the second location; and utilizing the measured transit time to detect the predetermined condition including the force on, the temperature of, a deformation in, the fatigue condition of, or a fracture in, structural panel, the presence of a force applied to, water on, or breakage in of the panel.

Abstract translation: 通过将面板的材料（41）从第一位置（43a）传递到第二位置（43b）的循环重复的能量波来检测面板的预定条件的方法和装置; 测量循环重复的能量波从第一位置到第二位置的传播时间; 并且利用所测量的通行时间来检测包括结构面板中的力，温度，变形，疲劳状况或断裂的预定条件，施加到水上或破裂的力的存在 在面板中。

公开(公告)号：US20090133509A1

公开(公告)日：2009-05-28

申请号：US12064680

申请日：2006-08-25

Applicant: Michael William Ford

Inventor： Michael William Ford

IPC: G01L1/16

CPC classification number: G01L1/10 ,  G01L1/162 ,  G01P15/097

Abstract: A force sensor (10) is forced from a vibrating beam (11), an excitation piezoelectric device (12) to cause a vibration in the beam at its resonate frequency and a measurement piezoelectric device (12) to measure the frequencies being indication of the force applied to the beam (11). The excitation and measurement piezoelectric devices (12) are attached to the beam adjacent to each other at one end of the beam (11).

Abstract translation: 迫使力传感器（10）从振动梁（11），激励压电装置（12）以其谐振频率引起振动，测量压电装置（12）测量频率是指示 施加到梁（11）上的力。 励磁和测量压电装置（12）在梁（11）的一端附接到彼此相邻的梁。

公开(公告)号：US07536924B2

公开(公告)日：2009-05-26

申请号：US11576200

申请日：2005-09-29

Applicant: Tony Lavaun Schmitz ,  Gregory Scott Duncan ,  John Charles Ziegert ,  David Corbin Burton

Inventor： Tony Lavaun Schmitz ,  Gregory Scott Duncan ,  John Charles Ziegert ,  David Corbin Burton

IPC: G01L25/00 ,  G01L5/10 ,  G01L1/10

CPC classification number: G01L1/10 ,  B23Q17/0971 ,  B23Q17/12

Abstract: A high frequency flexure-based dynamometer for measuring vibrations to use in determining cutting forces in a tool is disclosed. The dynamometer device may operate within a pre-selected high frequency range while measuring cutting forces less than about 1 N. The dynamometer may include two coupled flexures that interact to produce vibration modes at the edge of a selected bandwidth of interest. These modes may produce a frequency response function within the desired frequency band that has a magnified response and is substantially constant. The dynamometer may include a workpiece mounted to one of the two flexures and a one or more precision accelerometers mounted to the first or second flexures. Finite element analysis may be used to optimize the flexure design.

Abstract translation: 公开了一种用于测量用于确定刀具中的切削力的振动的高频挠曲力测力计。 测力计装置可以在测量小于约1N的切割力的同时在预选的高频范围内操作。测力计可以包括两个耦合的弯曲件，其相互作用以在所选择的所选带宽的边缘处产生振动模式。 这些模式可以在具有放大响应并且基本上恒定的期望频带内产生频率响应函数。 测力计可以包括安装到两个挠曲件之一的工件和安装到第一或第二挠曲件上的一个或多个精密加速度计。 有限元分析可用于优化弯曲设计。

公开(公告)号：US07178378B2

公开(公告)日：2007-02-20

申请号：US10651338

申请日：2003-08-28

Applicant: Ed Crawley ,  Mark Lundstrom ,  Brett Masters ,  Alok Srivastava ,  Martin Schmidt ,  Michael Miller

Inventor： Ed Crawley ,  Mark Lundstrom ,  Brett Masters ,  Alok Srivastava ,  Martin Schmidt ,  Michael Miller

IPC: G01N23/036

CPC classification number: G01N29/036 ,  B81B3/0089 ,  B81B2201/0214 ,  B82Y30/00 ,  B82Y35/00 ,  B82Y40/00 ,  G01L1/10 ,  G01N2291/0257 ,  G01N2291/0427

Abstract: The disclosed sensor chip includes a substrate and a moving member coupled to the substrate and disposed for movement relative to the substrate. The moving member moves relative to the substrate in a first direction and in a second direction in response to movement of the substrate. The first direction is different than the second direction. The moving member includes a plurality of receptors. The receptors are configured for selectively binding to a first measurand.

Abstract translation: 所公开的传感器芯片包括衬底和耦合到衬底并被设置为相对于衬底移动的移动构件。 移动构件响应于衬底的移动而在第一方向和第二方向上相对于衬底移动。 第一方向与第二方向不同。 移动构件包括多个受体。 受体被配置为选择性地结合第一被测量。

公开(公告)号：US06327913B1

公开(公告)日：2001-12-11

申请号：US09530475

申请日：2000-09-20

Applicant: Martin Lustenberger ,  Johannes Wirth

Inventor： Martin Lustenberger ,  Johannes Wirth

IPC: G01B500

CPC classification number: G01G3/165 ,  G01L1/10 ,  G01L1/106 ,  G01L5/0004

Abstract: The inventive force measuring cell consists of a plate (2) which is provided with a circular hole (2), the axis of which is perpendicular to the surface of said plate (2) and to the direction of the force that is to be measured. Said axis also lies within the neutral surface of the plate (2). The plate (2) can also be the web of a carrier. A measuring transducer (12) is inserted into the hole (3) in order to measure any modification of the size of the diameter of said hole (3) on a plane that is inclined at an angle of 45° counter to the direction of the force (F) to be measured. A lateral force is created in the direction of y in addition to a transverse stress &tgr; with a component &tgr;xy by applying force in the direction of y when at least one side of the plate (2) is clamped in the base. The originally circular hole (3) is deformed into an ellipse. The measuring transducer (12) consists of a measuring transformer with an oscillating string.

Abstract translation: 本发明的力测量单元由一个板（2）组成，该板（2）设置有一个圆形孔（2），其轴线垂直于所述板（2）的表面，并与待测量的力的方向 。 所述轴线也位于板（2）的中性表面内。 板（2）也可以是载体的腹板。 测量传感器（12）插入到孔（3）中，以便测量在垂直方向倾斜45°的平面上对所述孔（3）的直径的尺寸的任何修改 力（F）要测量。 除了横向应力之外，在y的方向上产生横向力; 通过在板（2）的至少一侧被夹持在基座中时沿着y的方向施加力而具有成分＆gt; xy。 原来的圆形孔（3）变形为椭圆形。 测量传感器（12）由具有振荡弦的测量变压器组成。

公开(公告)号：US5417120A

公开(公告)日：1995-05-23

申请号：US072811

申请日：1993-06-07

Applicant: Rand H. Hulsing, II

Inventor： Rand H. Hulsing, II

IPC: G01L1/10 ,  G01L1/18 ,  G01L1/00

CPC classification number: G01L1/10 ,  G01L1/183

Abstract: A vibrating beam force transducer is comprised of an oscillating sensing element having an output frequency indicative of the force applied to the sensing element. The sensing element has a variable electrical resistance which can vary in accordance with temperature fluctuations over the operating range of the transducer.A drive circuit utilizes an AC drive signal source that is electrically coupled to the sensing element to drive the sensing element at its resonant frequency which is a function of the force applied to the sensing element. The drive circuit has a DC compensation circuit that alters the electrical characteristics of the drive circuit in response to variations in the electrical resistance of the sensing element.

Abstract translation: 振动梁力传感器包括具有指示施加到感测元件的力的输出频率的振荡感测元件。 感测元件具有可变电阻，其可以根据换能器的操作范围上的温度波动而变化。 驱动电路使用电耦合到感测元件的AC驱动信号源来驱动感测元件处于其感应元件的共振频率，该谐振频率是施加到感测元件的力的函数。 驱动电路具有DC补偿电路，其响应于感测元件的电阻的变化而改变驱动电路的电特性。

公开(公告)号：US4901586A

公开(公告)日：1990-02-20

申请号：US316899

申请日：1989-02-27

Applicant: Graeme A. Blake ,  Brian L. Norling

Inventor： Graeme A. Blake ,  Brian L. Norling

IPC: G01L1/10 ,  G01L1/18 ,  G01P15/097 ,  G01P15/10

CPC classification number: G01P15/097 ,  G01L1/10 ,  G01L1/183 ,  Y10S73/01

Abstract: A dual vibrating beam force transducer having an electrostatic drive system. The transducer comprises a body having first and second generally parallel beams, coupled together at their ends. First and second electrodes are positioned adjacent to but not in contact with the respective beams. A drive circuit causes an oscillating voltage to be applied to the electrodes. The beams are thus subjected to electrostatic forces that cause the beams to oscillate in a vibration plane containing both beams. The mechanical resonance of the beams controls the oscillation frequency, such that the frequency is a function of a force exerted along the beams. An embodiment is also described in which the drive means is coupled directly to one of the beams.

Abstract translation: 具有静电驱动系统的双振动束力传感器。 换能器包括具有第一和第二大致平行的梁的主体，它们的端部联接在一起。 第一和第二电极定位成与各个光束相邻而不与其接触。 驱动电路使振荡电压施加到电极。 因此，光束受到静电力的作用，使得光束在包含两个光束的振动平面中振荡。 光束的机械谐振控制振荡频率，使得频率是沿着光束施加的力的函数。 还描述了一种实施例，其中驱动装置直接连接到一个梁。

公开(公告)号：US4858145A

公开(公告)日：1989-08-15

申请号：US20433

申请日：1987-03-02

Applicant: Shinichi Inoue ,  Masami Yamanaka

Inventor： Shinichi Inoue ,  Masami Yamanaka

IPC: G01L1/00 ,  G01G3/16 ,  G01G3/18 ,  G01L1/10

CPC classification number: G01L1/10 ,  G01G3/16 ,  G01G3/18

Abstract: A force measuring device mainly used as a weighing device, comprising first and second horizontal cantilever members disposed parallel with each other in a common vertical plane, a weighing cradle attached to the free end of the first member, and a metal string stretched between the free ends of both members. The string is placed between a pair of magnetic poles so that it vibrates at its inherent frequency functionally relating to its tension and, therefore, a load applied to the weighing cradle. The frequency of the string is measured and the value of the applied load is calculated therefrom by an electronic calculating circuit. In order to overcome a problem of frequency deviation caused by variation in the spring constants of both cantilever members due to variation in the surrounding temperature, the inventive device includes a temperature sensor and arithmetic circuitry for applying compensation for the error due to the temperature change to the calculation of the applied force.

Abstract translation: 主要用作称重装置的力测量装置，包括在共同的垂直平面中彼此平行设置的第一和第二水平悬臂构件，附接到第一构件的自由端的称重支架，以及在自由 两个成员的两端。 弦线放置在一对磁极之间，使得其以其固有频率振动，其功能上与其张力相关，并且因此施加到称重支架上的负载。 测量串的频率，并通过电子计算电路计算施加负载的值。 为了克服由于周围温度的变化引起的两个悬臂构件的弹簧常数的变化引起的频率偏差的问题，本发明的装置包括温度传感器和运算电路，用于对由于温度变化引起的误差进行补偿 计算施加的力。

公开(公告)号：US4669320A

公开(公告)日：1987-06-02

申请号：US824533

申请日：1986-01-31

Applicant: Jens K. Simonsen

Inventor： Jens K. Simonsen

IPC: G01L1/10

CPC classification number: G01L1/10 ,  Y10S73/01

Abstract: The invention relates to an apparatus for measuring a force wherein the force to be measured is applied to a beam in an axial direction. Oscillating forces applied transversely to the beam sets the beam in its resonant state and the resulting resonant frequency is an indication of the magnitude of the force.

Abstract translation: 本发明涉及一种用于测量力的装置，其中待测量的力沿轴向施加到梁上。 横梁施加的振荡力将光束设置在其共振状态，所得到的谐振频率表示力的大小。

公开(公告)号：US4288901A

公开(公告)日：1981-09-15

申请号：US52471

申请日：1979-06-27

Applicant: Clarence O. Babcock

Inventor： Clarence O. Babcock

IPC: G01B17/04 ,  G01L1/10 ,  B23P17/00

CPC classification number: G01B17/04 ,  G01L1/10 ,  Y10T29/49774

Abstract: A tensioned helical wire for use as a displacement sensor. The sensor made of high strength piano wire is attached at its ends to two anchors which in turn are attached to or are a part of the object or objects to be tested. In the preferred embodiment the sensor has straight ends which are attached to two small anchor blocks. These blocks are then attached to the test object. The displacement range and sensitivity of the sensor can be controlled by the initial geometry selected. If an initial tension applied is small, the sensor has a very large response range that is about fifty times that of a straight wire sensor. If a large initial tension is applied, the helical shape approaches that of a straight sensor and has a displacement range only a few times that of a straight wire sensor. If the sensor has a large displacement range, the sensitivity is much less than that of a straight wire sensor and if the sensor has a small range the sensitivity is comparable to that of the straight wire sensor. When in place, a readout system can be used to pluck the wire sensor to determine its initial vibratory mode. Should a sensor length change occur, this can be interpreted as a displacement change by using calibration results obtained during the manufacture of the sensor or during the installation process. Subsequent readings made by the readout system can be used to measure on a continuing basis the resulting displacement behavior.

Abstract translation: 用作位移传感器的张紧螺旋线。 由高强度钢琴线制成的传感器的端部连接到两个锚固件上，锚固件又连接到被测物体或被测物体的一部分。 在优选实施例中，传感器具有连接到两个小锚块的直端。 然后将这些块连接到测试对象。 传感器的位移范围和灵敏度可以通过选择的初始几何进行控制。 如果施加的初始张力小，则传感器具有非常大的响应范围，大约是直线传感器的50倍。 如果施加较大的初始张力，则螺旋形状接近直线传感器的形状，其位移范围仅为直线传感器的几倍。 如果传感器具有较大的位移范围，则灵敏度远小于直线传感器的灵敏度，如果传感器具有较小的范围，则灵敏度与直线传感器的灵敏度相当。 当就位时，可以使用读出系统来拔出线传感器以确定其初始振动模式。 如果发生传感器长度变化，则可以通过使用在传感器制造期间或安装过程中获得的校准结果将其解释为位移变化。 由读出系统进行的后续读数可用于持续测量所得的位移特性。