Optical sensing based impulse testing method and device
An impulse test and optical sensing technology, applied in measuring devices, force/torque/work measuring instruments, instruments, etc., can solve the problems affecting the accuracy and reliability of test signals, complicated design, processing and data processing, and the inability of test circuits. Problems such as normal work, to achieve the effect of compact structure, improved anti-electromagnetic interference ability, and easy installation and disassembly
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[0036] like figure 1 As shown, the technical solution adopted in the present invention is to install the linear grating 2 on the mass block 1 horizontally, so that the grating does not affect the free movement of the mass block 1 in the guide rail 3 along the guide rail 3 direction. The optical fiber probe 5 is installed on the guide rail 3 so that the light emitted by the optical fiber probe 5 is perpendicular to the linear grating 2 , so that the light reflected by the grating can enter the optical fiber probe 5 . The impulse parameters are calculated by measuring the reflected light intensity-time curve of the mass block 1 moving along the guide rail 3 under the action of impulse.
[0037] Linear grating 2 provides displacement resolution information in the direction of guide rail 3 . The grating is composed of repeated intervals of materials with different light reflectivity. The part composed of high reflectivity material is called bright pattern, and the material with l...
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