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Miniature, low-cost and temperature-controlled inertial measurement system

An inertial measurement, low-cost technology used in the field of inertial measurement

Active Publication Date: 2017-04-26
BEIJING PULIMEN ELECTRO MECHANICAL HIGH TECHN CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The temperature has a significant impact on the output of the micromachined gyroscope module and the micromachined accelerometer module, which has become a bottleneck to improve its accuracy

Method used

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  • Miniature, low-cost and temperature-controlled inertial measurement system
  • Miniature, low-cost and temperature-controlled inertial measurement system
  • Miniature, low-cost and temperature-controlled inertial measurement system

Examples

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Embodiment Construction

[0063] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0064] Such as figure 1 The schematic block diagram of a low-cost miniaturized temperature-controlled inertial measurement system is shown. It can be seen from the figure that a miniaturized low-cost temperature-controlled inertial measurement system is characterized in that it includes a temperature-controlled assembly module, a temperature measurement and control module and an inertial measurement computer. ; wherein the temperature control assembly module includes a micromachined gyro module, a micromachined accelerometer module, a heating module, a thermal insulation module, a sensor base, a gyro AD conversion processing module and a base; wherein the base is located at the bottom of the temperature control assembly module, and the sensor base Fixedly installed on the upper end of the temperature control assembly module; the heating module i...

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Abstract

The invention discloses a miniature, low-cost and temperature-controlled inertial measurement system and relates to the field of inertial measurement. The miniature, low-cost and temperature-controlled inertial measurement system includes a temperature-controlled inertial measurement module, a temperature control module and an inertial measurement computer, wherein the temperature-controlled inertial measurement module includes micro mechanical gyro modules, micro mechanical accelerometer modules, a sensor pedestal, a heating module, a thermal insulation module, a gyro AD conversion module and a base; the inertial measurement system not only provides references for installation for the three single-axis micro mechanical gyro modules and the three single-axis micro mechanical accelerometer modules, but also maintains gyros and accelerometers in a high-temperature and constant-temperature environment, and the output capabilities of the gyros and the accelerometers are greatly improved. The inertial measurement system has the advantages of being high in precision, small in size, compact in structure, rapid in response to accurate temperature control and low in cost.

Description

technical field [0001] The invention relates to the field of inertial measurement, in particular to a miniaturized and low-cost temperature-controlled inertial measurement system. Background technique [0002] The micromachined inertial measurement system refers to an inertial measurement system composed of a micromachined gyroscope module and a micromachined accelerometer module. Micromachined gyro modules and micromachined accelerometer modules have the characteristics of small size, light weight, low power consumption, shock resistance, and easy mass production. It has a wide range of applications in aerospace, guided bombs and consumer electronics. [0003] Environmental factors are important factors affecting the performance of micromachined gyro modules and micromachined accelerometer modules, and temperature is a key factor affecting the reliability and accuracy of micromachined gyro modules and micromachined accelerometer modules. Thermal expansion and contraction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C21/16
Inventor 邢立华李世臻陈团石阳白滢袁倩李季吕秀梅
Owner BEIJING PULIMEN ELECTRO MECHANICAL HIGH TECHN CO
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