Calibration device for compression type displacement sensor
A displacement sensor and calibration device technology, applied in the field of sensor detection, can solve the problems of reducing work efficiency, inconvenient calibration, etc., and achieve the effect of good practicability
Pending Publication Date: 2020-10-13
JIANGHAN UNIVERSITY
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Problems solved by technology
At present, there is no dedicated calibration device for the accuracy verification of compression displacement sensors, which is inconvenient to calibrate and reduces work efficiency
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[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] It will be understood that, although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.
[0028] combine figure 1 , figure 2 and Figure 5 As shown, a calibration device for a compression displacement sensor disclosed in an embodiment of the present invention includes a workbenc...
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The invention provides a calibration device for a compression type displacement sensor. The calibration device comprises a workbench, a clamping part and a measuring part; the workbench comprises a base plate and a limiting plate. The clamping part comprises a fixed part and a movable part; the fixing part is arranged on the substrate; the movable part is slidably arranged on the fixed part; one end of the movable part faces the limiting plate; the measuring part comprises a micrometer and a fixed table; a middle sleeve of the micrometer is arranged on the fixed table; when the compression type displacement sensor is placed on the substrate, the compression type displacement sensor can be clamped between the movable part and the limiting plate by moving the movable part; a screw rod at thefront end of the micrometer is controlled to abut against a sensing part of the sensor; the compression amount of the compression type displacement sensor is accurately controlled by adjusting the feeding amount of the front end screw rod, the difference value between the actual feeding amount of the micrometer and the compression amount detected after the compression type displacement sensor senses the pressure of the micrometer can be compared, the precision of the compression type displacement sensor is calibrated, and good practicability is achieved.
Description
technical field [0001] The invention relates to the technical field of sensor detection, in particular to a calibration device for a compression displacement sensor. Background technique [0002] Traditional displacement sensors are mainly based on resistance, inductance, capacitance, etc., which are easy to detect and easy to handle. With the development of science and technology and the emergence and application of new materials, compressive displacement sensors based on piezoelectric effect, magnetic grating, grating and other sensing technologies have gradually been widely used. [0003] In order to make the measurement results of the compression displacement sensor have general scientific significance, the sensor should be tested. After any sensor is manufactured and assembled, a series of rigorous tests should be carried out according to the design indicators to determine its actual working characteristics; after a sensor has been used for a period of time (one year a...
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IPC IPC(8): G01B21/02
CPCG01B21/02G01B21/042
Inventor 孟丽君李薪宇谭昕
Owner JIANGHAN UNIVERSITY