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Laser optical disc-based digital inclined-angle sensor

An inclination angle sensor, digital technology, applied in the direction of measuring inclination, instruments, surveying and navigation, etc., can solve the problems of narrow measurement range and difficulty in inclination angle sensor, and achieve wide measurement range, strong anti-interference ability, and temperature change small effect

Inactive Publication Date: 2014-12-03
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is a relatively difficult task to design and develop a tilt angle sensor with good linearity, high precision and stable performance.
In addition, the measurement range of the traditional solid pendulum tilt angle sensor is relatively narrow (generally less than ±12°)

Method used

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  • Laser optical disc-based digital inclined-angle sensor
  • Laser optical disc-based digital inclined-angle sensor
  • Laser optical disc-based digital inclined-angle sensor

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0034]The invention will be further described below in conjunction with the accompanying drawings.

[0035] A digital tilt angle sensor based on a laser disc, including a housing 7, a fixing seat 3, and two laser head assemblies (laser head assembly a11 and laser head assembly b12) and a turntable 6 located in the housing 7, such as figure 1 , figure 2 , image 3 As shown, wherein, the fixed base 3 is fixed on the top of the shell 7, the fixed base 3 is provided with a circuit board 4, the circuit board 4 is provided with a microprocessor 16, and the two laser head assemblies are connected with the microprocessor 16 through two circuits. Connection: the one, be connected with microprocessor 16 by laser head control circuit 20, the 2nd, be connected with microprocessor 16 by sequentially connected amplification circuit 19, filter circuit 18 and shaping circuit 17, as Figure 4 As shown; the circuit board 4 is connected with a lead wire 10 (including a power line and a data l...

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Abstract

The invention discloses a laser optical disc-based digital inclined-angle sensor. The laser optical disc-based digital inclined-angle sensor comprises a housing, a fixing seat, two laser head assemblies and a turnplate, wherein the two laser head assemblies and the turnplate are arranged in the housing. The fixing seat is fixed on an upper of the housing. A circuit board is arranged in the fixing seat. The circuit board is provided with a microprocessor. The two laser head assemblies are connected to the microprocessor by two circuits. The two laser head assemblies are located below the fixing seat. The turnplate is located below the two laser head assemblies. The turnplate is fixed in the housing by a rotation shaft. The turnplate is provided with a pendulum bob. The periphery of the turnplate is provided with a round of reflector panels. Tops of the reflector panels are located behind the two laser head assemblies. The reflector panels are provided with multiple nicks. The laser optical disc-based digital inclined-angle sensor has the advantages of high resolution ratio, high precision, stable and reliable performances, good linearity, high signal-noise ratio, low influence caused by a temperature change, wide measuring range (360 degree), simple structure and low cost.

Description

technical field [0001] The invention relates to a digital tilt angle sensor based on a laser disc. Background technique [0002] Sensor technology has always been a hot technology in the scientific research community. The tilt angle sensor is a sensor used to measure the tilt angle, and is widely used in factories, railways, ships, machinery, construction, bridge laying, dam construction, automobile industry, etc. Among the traditional inclination sensors, the solid pendulum inclination sensor is a common category and widely used. This type of inclination angle sensor is generally composed of a pendulum and a displacement sensor. The displacement sensor includes: capacitive, inductive, eddy current, resistive, etc.; most displacement sensors are analog outputs, which need to be passed through A / D can only be input into the computer system after it is converted into a digital quantity. The relationship between the original electrical output of the displacement sensor and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C9/12
Inventor 孙晓明万桂怡吴明海刘克敬
Owner SHANDONG UNIV
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