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HAND GRIP DYNAMOMETER

机译:手握式测力计

摘要

An apparatus for measuring grip strength and pinch strength applied by a user to a hand grip dynamometer (100) that includes a circular rod (102) having a first beam and a second beam, a horizontal slot (104) which separates the beams. A notch (106) coupled to the beams induces a strain in the first beam or second beam at a region of the notch (106) based on user"s grip strength and pinch strength. A strain gauge (108) connected to the region of the notch. Resistance of strain gauge changes due to induced strain. A Wheatstone bridge is connected to strain gauge through a wire (110), which generates a signal comprising a voltage due to change in resistance of strain gauge. An amplifier amplifies voltage obtained from the Wheatstone bridge. An ADC that converts amplified signal to a digital signal. A LCD displays a digital value and a load value.
机译:一种用于测量使用者施加到手握测功器(100)上的握力和捏力的装置,该装置包括具有第一横梁和第二横梁的圆杆(102),将横梁分开的水平槽(104)。耦合到梁的凹口(106)基于使用者的抓握强度和压紧强度在凹口(106)的区域中在第一梁或第二梁中引起应变。应变仪(108)连接到梁的区域。应变计的电阻因感应应变而变化,惠斯通电桥通过导线(110)连接到应变计,该电桥产生一个信号,该信号包含因应变计的电阻变化而产生的电压,放大器放大从惠斯登电桥;将放大后的信号转换为数字信号的ADC; LCD显示数字值和负载值。

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