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    • 2. 发明申请
    • DEVICE FOR A TORQUE OR SHEAR FORCE TRANSMITTER FOR THE DETERMINATION OF FIBRE CONCENTRATION OR VISCOSITY IN PULP SUSPENSIONS AND METHOD FOR RESETTING OF THE TRANSMITTER SHAFT IN A TORQUE OR SHEAR FORCE TRANSMITTER
    • 用于确定纸浆悬挂中的纤维浓度或粘度的扭矩或剪切力传输器的装置和用于在扭矩或剪切力传递器中重置发射机轴的方法
    • WO2005057153A1
    • 2005-06-23
    • PCT/SE2004/001812
    • 2004-12-06
    • BTG PULP & PAPER SENSORS ABLUNDBERG, PeterKULLANDER, Joakim
    • LUNDBERG, PeterKULLANDER, Joakim
    • G01L3/10
    • G01L3/105G01L3/12G01N11/14G01N33/343
    • Device for a torque or shear transmitter for determination of fibre concentration or viscosity in pulp suspensions and which is adapted to measure an angle deviation between two concentric shafts (9, 11) whereby the arisen angle deviation forms a function of the torque applied on the measuring body (5). The device comprises a feedback system for bringing the inner shaft or measuring shaft (11) to take a zero position independent of the magnitude of the torque, and which system comprises an electromagnetic feedback coil (18), which encircles two pole shoes (19) journalled in bearing points (20) at the end of the outer shaft in the form of a hollow shaft (9), at the same time as each pole shoe (19) is connected to the measuring shaft (11), whereby a current, generated by means for a transducer (12) and is dependent on the present angle deviation, is sent to the winding (23) of the coil (18), where a magnetic field of force (25) is generated, whose strength is determined by the current flowing through the coil (18) and the distance (24), which arises between the pole shoes (19) and the magnetic parts of the feedback coil, which latter obtain different polarity and provides a resetting of the pole shoes (19) together with the measuring shaft (11) to a present set point at the same time as the magnitude of the current is a measure of the present shear force torque and is convertible to a suitable output signal.
    • 用于确定纸浆悬浮液中的纤维浓度或粘度的扭矩或剪切变送器的装置,其适于测量两个同心轴(9,11)之间的角度偏差,由此所述起始角度偏差构成施加在所述测量装置上的扭矩的函数 身体(5)。 该装置包括用于使内轴或测量轴(11)独立于扭矩大小而采取零位置的反馈系统,并且该系统包括围绕两个极靴(19)的电磁反馈线圈(18) 在每个极靴(19)连接到测量轴(11)的同时,以空心轴(9)的形式轴承在外轴的端部处的轴承点(20)中, 通过换能器(12)的方式产生并且依赖于当前的角度偏差被发送到线圈(18)的绕组(23),其中产生了力(25)的磁场,其强度由 在极靴(19)和反馈线圈的磁性部件之间产生的流过线圈(18)的电流和距离(24),后者获得不同的极性并提供极靴(19)的复位, 与测量轴(11)一起连接到当前设定点 电流的大小是当前剪切力转矩的量度,并且可转换成合适的输出信号。
    • 10. 发明公开
    • DEVICE AT A TORQUE METER
    • VORRICHTUNG AN EINEM DREHMOMENTMESSER
    • EP2108113A4
    • 2017-08-30
    • EP07861131
    • 2007-12-19
    • BTG PULP & PAPER SENSORS AB
    • ANDERSSON NICLASKULLANDER JOAKIMLUNDBERG PETERADRIAN PETER
    • G01N11/14G01L3/00G01N15/06G01N33/34H02P5/52
    • G01N33/34G01L3/10G01N11/14
    • A torque measuring device for determining properties such as viscosity, shearing force or concentration in liquids or suspensions. The device comprises two elastically connected concentric axles in the form of one external hollow axle through which an inner measuring axle extends, and an element responsive to the measured medium located on a distal end of the measuring axle. The axles are individually propelled by electrical motors. The motors are operated such that the axles rotate at generally constant speed and, simultaneously, the phase between the two are controlled irrespective of applied speed and torque. The torque is measured through the degree of load of the motor propelling the inner axle, which is provided as an output signal.
    • 一种扭矩测量装置,用于测定诸如液体或悬浮液中粘度,剪切力或浓度等特性。 该装置包括两个弹性连接的同心轴,一个外部空心轴形式的内部测量轴延伸通过该外部空心轴,以及一个响应位于测量轴远端的被测介质的元件。 这些车轴由电机单独驱动。 电动机的运转使得车轴以大致恒定的速度旋转,并且同时,不管所施加的速度和扭矩如何,两者之间的相位都被控制。 扭矩是通过驱动内轴的电机的负载程度来测量的,该内轴是作为输出信号提供的。