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Calibration device for inclination angle sensor

A technology of inclination sensors and calibration devices, which is applied in the direction of measuring devices, instruments, etc., can solve problems such as inability to meet needs, and achieve the effect of overcoming inaccurate zero point positions and overcoming calibration errors

Inactive Publication Date: 2010-06-23
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the accuracy requirements are not high, this calibration method can meet the requirements, but for the calibration of high-precision angle sensors, this calibration method cannot meet the needs

Method used

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  • Calibration device for inclination angle sensor
  • Calibration device for inclination angle sensor
  • Calibration device for inclination angle sensor

Examples

Experimental program
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Embodiment Construction

[0019] see figure 1 , an indexing head 6 is arranged on the base 7 that can be adjusted to be horizontal, and the three-jaw chuck 6A fixedly connected to the side of the indexing head 6 clamps the sensor holder 2; the angular displacement table 3 is installed on the sensor holder 2 , the sensor 5 to be calibrated is installed on the angular displacement stage 3 through the sensor fixture 4;

[0020] Indexing head 6 is a rotatable member with a horizontal rotating shaft, and is fixedly connected with a rotating handle 6D at the shaft end of indexing head horizontal rotating shaft 6E. The angle code disc 6C measures the rotation angle of the sensor fixing frame 2, and the sensor fixing frame rotating shaft 2A and the rotating shaft of the indexing head 6 are arranged at 90 degrees in the horizontal plane.

[0021] In specific implementation, the internal transmission structure of the dividing head 6 is as follows: figure 2 As shown, the rotating handle 6D is used to drive the...

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Abstract

The invention discloses a calibration device for an inclination angle sensor, which is characterized in that a dividing head is arranged on an adjustable horizontal base; a three-jaw chuck fixedly connected with the lateral part of the dividing head is used for clamping a sensor fixed frame; an angular displacement platform capable of adjusting a horizontal inclination angle is mounted on the sensor fixed frame; a to-be-calibrated sensor is mounted on the angular displacement platform through a sensor clamp; the dividing head adopts a rotatable component with a horizontal rotating shaft; the end of the horizontal rotating shaft of the dividing shaft is fixedly connected with a rotating handle; the dividing head is used for measuring a rotating angle of the sensor fixed frame by means of an angle vernier coded disc and a dividing head angle coded disc arranged on the horizontal rotating shaft of the dividing head; and the rotating shaft of the sensor fixed frame and the rotating shaft of the dividing head are arranged at 90 degrees in a horizontal plane. The invention has the advantages of simple structure, high calibration accuracy and convenient use.

Description

technical field [0001] The invention relates to an angle sensor calibration device, in particular to an inclination sensor calibration system. Background technique [0002] For a long time, people have relied on bubble-type spirit levels to measure levelness, and judge the level by checking whether the bubble is level in the observation window. Since the bubble level can only qualitatively judge whether it is level, it cannot quantitatively measure the degree of level / inclination, and cannot directly read, the measurement results are greatly affected by human factors, which brings a lot of inconvenience and errors in practical applications. With the development of electronic technology, people have developed a variety of inclinometers for levelness and inclination measurement, such as digital inclinometers, pulse inclinometers and photoelectric inclinometers. However, these inclinometers are affected by problems such as the consistency of the output of their inclination sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C25/00
Inventor 梁华为李碧春梅涛王芳成黄健郜文
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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