Lateral deviation full-bridge double-interdigital metal strain gauge capable of measuring surface strain lateral partial derivatives
A metal strain gauge, lateral deviation technology, applied in the field of sensors, can solve the problem of inability to detect strain deflection and other problems
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[0032] The present invention will be further described below in conjunction with the accompanying drawings.
[0033] refer to Figure 1 ~ Figure 3 , a full-bridge double-interdigitated metal strain gauge capable of measuring the lateral deviation of the lateral deflection of the surface strain, including a base, and the metal strain gauge also includes four sensitive grids, each of which is connected to a lead wire at both ends , fixing the four sensitive grids on the substrate;
[0034] Each sensitive grid includes a sensitive section and a transition section, the two ends of the sensitive section are transition sections, the sensitive section is in the shape of a long and thin strip, the transition section is in a thick and short shape, and the resistance of the sensitive section is much greater than the The resistance of the transition section, the resistance change value of the sensitive section under the same strain state is much greater than the resistance change value ...
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