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Digital dip-angle sensor

An inclination sensor, digital technology, applied in the field of sensors, can solve the problems of low resolution, difficult digital processing, and affecting measurement accuracy of dual-axis inclination sensors, and achieve the effect of solving temperature drift problems, low cost, and improving resolution

Inactive Publication Date: 2011-04-27
NINGBO SHANGONG CENT OF STRUCTURAL MONITORING &CONTROL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the resolution of the dual-axis inclination sensor is still not high, which will bring great difficulties to subsequent digital processing; at the same time, the dual-axis inclination sensor has temperature drift, which will directly affect the measurement accuracy

Method used

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Embodiment Construction

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] A digital inclination sensor such as figure 1 As shown, it includes an inclination sensor chip 1, a signal conditioning amplification module 2, an A / D analog-to-digital conversion module 3, a signal processing module 4 and a signal output module 5, and the inclination sensor chip 1 is integrated with a temperature sensor for sensing the temperature of the carrier ( Not shown in the figure), the inclination sensor chip 1, the signal conditioning amplifier module 2, the A / D analog-to-digital conversion module 3, the signal processing module 4 and the signal output module 5 are connected sequentially, wherein the A / D analog-to-digital conversion module 3 is connected through the SPI The (serial peripheral interface) bus is connected to the signal processing module 4 , the signal processing module 4 is connected to the signal output module ...

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Abstract

The invention discloses a digital dip-angle sensor, which comprises a dip-angle sensor chip, a signal conditioning amplification module, an A / D analog-to-digital conversion module, a signal processing module and a signal output module. The dip-angle sensor chip is integrated with a temperature sensor for sensing the temperature of a carrier. The invention has the advantages that the signal conditioning amplification module is arranged between the dip-angle sensor chip and the A / D analog-to-digital conversion module, the signal conditioning amplification module amplifies and filters an analog voltage signal output by the dip-angle sensor chip, then the processed analog voltage signal is transmitted to the A / D analog-to-digital conversion module and processed by the signal conditioning amplification module so that the resolution of the sensor is improved efficiently. On the other hand, the dip-angle sensor chip is integrated with the temperature sensor and outputs a digital temperature signal to the signal processing module for analysis and processing so as to provide temperature compensation for actual measurement, thereby efficiently solving the drift problem and improving the measurement precision.

Description

technical field [0001] The invention relates to a sensor, in particular to a digital inclination sensor. Background technique [0002] With the rapid development of sensor technology and the increasing maturity of electronic technology and computer technology, more and more all-digital intelligent inclinometers have gradually replaced the traditional analog inclinometers with analog signal output, and their performance is much higher than traditional ones. analog inclination sensor. Compared with the analog inclination sensor, the digital inclination sensor has the advantages of high measurement accuracy, high resolution, strong anti-interference ability of the output signal, and can be directly connected to the computer for digital processing. [0003] The Chinese utility model patent "dual-axis inclination sensor" (patent number: ZL200620136463.1, authorized announcement number: CN 201007649Y) authorized and announced on January 16, 2008 is a digital inclination sensor, w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C9/00G01C9/02G01C9/04
Inventor 李宏伟王勇冷志鹏
Owner NINGBO SHANGONG CENT OF STRUCTURAL MONITORING &CONTROL ENG
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