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Method for calibrating inclinometer by using calibration device

A technology for calibrating devices and inclinometers, applied to measuring devices, instruments, etc., can solve the problems of lack of calibrating devices and methods for inclinometers, and achieve the effects of good calibration effect, simple structure and convenient operation

Pending Publication Date: 2021-10-22
ZHENGZHOU UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, there is a lack of reliable inclinometer calibration device and calibration method

Method used

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  • Method for calibrating inclinometer by using calibration device
  • Method for calibrating inclinometer by using calibration device
  • Method for calibrating inclinometer by using calibration device

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Embodiment Construction

[0025] An embodiment of a method for calibrating an inclinometer by using a calibrating device, the calibrating device is as Figure 1-3 As shown, it includes a base 4, a door-shaped scale plate 12 arranged at one end of the base, a rotating plate 7 arranged at the other end of the base hingedly, a slide plate 1 inserted at the free end of the rotating plate, and a hinged set at the end of the slide plate and sliding vertically. The supporting plate 8 is clamped in the door-shaped scale plate 12. Specifically, the free end of the rotating plate has a slot 13, and the slide plate is slidably inserted in the slot. Guide slots are provided, and the lateral sides of the support plate 8 have guide sliders 18 that are slidably engaged with the guide slots. The scale 2 of the gate-shaped scale plate is located on both sides of the gate-shaped scale plate, the upper end of the gate-shaped scale plate is vertically inserted with the adjustment bolt 3, the lower end of the adjustment bo...

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Abstract

The invention relates to a method for calibrating an inclinometer by using a calibration device. The method comprises the following steps: step 1, placing the inclinometer on a rotating plate; step 2, initializing a sensitivity coefficient to be 1; step 3, adjusting a leveling screw, wherein the rotating plate is kept horizontal, and at the moment, the output value output by the balance inclinometer is 0; step 4, adjusting the height of the upper end part of the sliding plate to 30%, 60% and 90% of the height of the measuring range of the calibration device through the adjusting bolts again, sequentially recording the heights as H1, H2 and H3, and simultaneously recording corresponding inclinometer sensor output values alpha1, alpha2 and alpha3; step 5, defining the distance between the right end of the door-shaped scale plate and the hinge axis of the right end of the rotating plate as L, wherein the real inclination angles beta 1, beta 2 and beta 3 of the inclinometer are calculated through an anti-trigonometric function beta = arctan (H / L); step 6, calculating sensitivity coefficients k1, k2 and k3 through a formula k = beta / alpha; and step 7, averaging the sensitivity coefficients k1, k2 and k3 measured for three times as a calibrated sensitivity coefficient.

Description

technical field [0001] The patent of the present invention relates to the field of instrument calibration in the construction field, in particular to a method for calibrating an inclinometer by using a calibration device. Background technique [0002] Buildings, bridges, dams and other structures need to monitor their inclination angle and other data. At present, various inclinometers are usually used to measure the levelness and inclination of building structures, bridges, and dams. When using the inclinometer to measure, the controller first reads the data through the sensor connected to the inclinometer, and then combines the sensitivity coefficient to convert the data output by the sensor into the corresponding inclination angle and display it. Therefore, before using the inclinometer, it must be calibrated to determine the sensitivity coefficient. [0003] In the prior art, there is a lack of reliable calibration devices and calibration methods for inclinometers. Con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 高丹盈李聪张长辉王涛
Owner ZHENGZHOU UNIV
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