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Inclinometer pipe-free omnibearing self-correction real-time displacement measuring tube

A technology of displacement measurement and self-correction, which is applied in the field of displacement measurement tubes, can solve problems affecting the accuracy of the inclinometer, and achieve the effect of easy installation and high measurement accuracy

Pending Publication Date: 2018-01-12
南京仕达得尔智能科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

This monitoring must rely on the inclinometer tube, and the installation state of the inclinometer tube will directly affect the accuracy of the inclinometer

Method used

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  • Inclinometer pipe-free omnibearing self-correction real-time displacement measuring tube
  • Inclinometer pipe-free omnibearing self-correction real-time displacement measuring tube

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Embodiment Construction

[0022] A tubeless omnidirectional self-correcting real-time displacement measuring tube, comprising a tube body 1, an inclinometer 5 is arranged in the tube body, a three-axis accelerometer, a three-axis gyroscope, a three-axis magnetometer 2, and a three-axis accelerometer are installed on the inclinometer , the three-axis gyroscope is connected with the KALMAN filter 6, and the accelerometer and the gyroscope obtain the overall horizontal direction angle through the KALMAN filter; the three-axis magnetometer, the KALMAN filter are connected with the microprocessor, and the magnetometer and the described The angle synthesis in the horizontal direction obtains the position of the whole in the middle of the geodetic coordinate system, that is, the rotation matrix; the inclinometer is connected with the microprocessor 7, and the inclinometer reading is multiplied by this rotation matrix to obtain the inclinometer’s automatic position between the geodetic coordinate systems. Corre...

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Abstract

The invention discloses an inclinometer pipe-free omnibearing self-correction real-time displacement measuring tube. An inclinometer is arranged in a tube body, a triaxial accelerograph, a triaxial gyroscope and a triaxial magnetometer are arranged on the inclinometer; the triaxial accelerograph and the triaxial gyroscope are connected with a KALMAN filter, and an included angle of the whole in the horizontal direction is obtained by the accelerograph and the gyroscope by virtue of the KALMAN filter; the triaxial magnetometer is connected with the KALMAN filter, and the magnetometer and the included angle in the horizontal direction are synthesized, so that a position of the whole in a geodetic coordinate system, namely a rotation matrix, is obtained. The inclinometer pipe-free omnibearingself-correction real-time displacement measuring tube disclosed by the invention has the advantages that an inclinometer pipe is eliminated, and structure principle of a monitor is completely different from that of the traditional clinometers; and displacement can be immediately, accurately and continuously measured in an omnibearing way.

Description

technical field [0001] The invention relates to a displacement measuring tube. Background technique [0002] Internal displacement monitoring is extremely important in geotechnical constructions such as earth-stone walls, panel walls, rock slopes, and civil foundation pits. At present, the common method of monitoring this displacement is to install high-precision inclinometer pipes during the construction process, or to drill and sink inclinometer pipes. Then introduce the inclinometer into the inclinometer tube to monitor the internal displacement of the measured object in points, time and segments. This monitoring must rely on the inclinometer tube, and the installation state of the inclinometer tube will directly affect the accuracy of the inclinometer. The ability to obtain the real displacement inside the measured object largely depends on the accuracy of the inclinometer tube. Contents of the invention [0003] The purpose of the present invention is to provide a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C15/00
Inventor 黄海
Owner 南京仕达得尔智能科技有限公司
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