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A verification device and verification method for a digital level system

A technology of digital level and verification device, applied in measuring devices, instruments, etc., can solve problems such as low efficiency and poor reliability of verification results, and achieve the effect of saving human resources, comprehensive verification results, and simplifying verification steps.

Active Publication Date: 2019-01-11
XIAN UNIV OF TECH
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Problems solved by technology

[0007] The object of the present invention is also to provide a digital level system verification method, which solves the problems of low efficiency and poor reliability of verification results in the existing verification methods

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  • A verification device and verification method for a digital level system

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Embodiment Construction

[0032] The present invention will be described in detail below with reference to the drawings and specific embodiments.

[0033] The structure of a digital level system verification device provided by the present invention is as follows figure 1 Shown, including digital level system, vertical movement control system, laser interferometer distance measurement system, weather sensing system and computer 13 five parts:

[0034] The digital level system includes a digital level 8 and a level ruler 7, and the digital level 8 is connected to the computer 13;

[0035] The vertical motion control system includes a mobile platform with a vertical guide 3, a carriage 2 is connected to the vertical guide 3, a leveling ruler 7 is fixed on the carriage 2 by a clamp, and the carriage 2 is controlled on the vertical guide by a driving device 3 The leveling ruler 7 is driven to move vertically within the range of the measurement path; for example, the vertical guide 3 on the mobile platform can be ...

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Abstract

A digital level system verification device disclosed by the invention comprises a digital level system, a vertical motion control system, a laser interferometer distance measurement system, a meteorological sensing system and a computer. A verification method for a digital level system disclosed by the present invention includes: moving the leveling rod to the initial position; the computer controls the digital level and the laser interferometer to obtain measurement data respectively, and obtains the atmospheric parameter data by using the meteorological sensing system; and then uses the Edlen formula Combining the atmospheric parameters to obtain the corrected wavelength of the laser interferometer, and then get the actual moving distance of the corrected leveling rod, and establish the error distribution map of the digital leveling system, and finally use the least square method and linear regression equation to get the error regression line. The digital level system verification device and verification method of the present invention can perform automatic vertical verification on the digital level system, simplify the verification steps and improve the verification efficiency.

Description

Technical field [0001] The invention belongs to the technical field of high-precision measurement, and specifically relates to a digital level system verification device. The invention also relates to a digital level system verification method. Background technique [0002] In the early 1990s, the digital level was quickly recognized by users in the field of leveling due to its advantages of high accuracy, fast speed, and simple operation, and quickly occupied high-precision leveling, surface deformation monitoring, industrial measurement, etc. The field has become the trend of the development of leveling instruments. Through the detection and recognition of the coded stripe information on the scale, the function of accurate, fast and automatic reading of the measurement data is realized. The bar code leveling ruler is used as a digital level measuring instrument. It is used for measurement based on the width of the reticle on the ruler and the position on the ruler. Therefore, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C25/00
CPCG01C25/00
Inventor 赵敏赵海军朱凌建黄秋红
Owner XIAN UNIV OF TECH
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