Test device for high temperature acceleration sensor

Abstract

The invention discloses a testing apparatus for a high temperature acceleration sensor. The testing apparatus comprises a vibration table, a connecting clamp, an electric heating furnace and a support, wherein the connecting clamp, the electric heating furnace and the support are installed on the vibration table. The electric heating furnace is installed above a top plate of the support. The vibration table is installed below the top plate of the support. The top plate of the support and a base plate of the electric heating furnace are provided with through holes. The upper portion of the connecting clamp penetrates through the through holes to be arranged inside a furnace body of the electric heating furnace. The upper portion or the top of the connecting clamp is provided with installation table for an acceleration sensor to be measured. A line leading pipe for leading out a signal output line of the acceleration sensor to be measured is arranged on the wall of the furnace body of the electric heating furnace. The position, located below the top plate of the support, of the lower portion of the connecting clamp is provided with an instillation table for a standard acceleration sensor. According to the testing apparatus for the high temperature acceleration sensor, the electric heating furnace and the support are added, and the connecting clamp is designed to be of a subsection structure, so that the acceleration sensor to be measured and the standard acceleration sensor are independently installed, the temperature-vibration compound environment is formed, and high temperature standardization and performance testing for the acceleration sensor to be measured are achieved.

Description

technical field [0001] The invention relates to a test device for an acceleration sensor, in particular to a test device for a high-temperature acceleration sensor used in a high-temperature environment. Background technique [0002] Acceleration sensors, as vibration measurement sensors, have been widely used in vibration and shock testing, signal analysis, and vibration calibration in departments such as water conservancy, power, mining, transportation, construction, earthquakes, ships, bridges, aviation, aerospace, weapons, chemical explosions, and construction. , mechanical dynamic experiments, etc., especially in the field of aviation and aerospace, it has its special status. Different types of measurement applications have different requirements on the characteristics and specific technical indicators of piezoelectric accelerometers. The application of acceleration sensors can usually be summarized as: mechanical rotation, high frequency vibration, low frequency vibra...

AI Technical Summary

Problems solved by technology

However, the key components such as the magnetic circuit part and the moving coil of the vibration table cannot withstand high temperatures (working temperature ≤ 100 ° C), so in the traditional test calibration device, there is no high-temperature heating system, and the temperature-vibration composite environment cannot be formed, so it cannot be carried out. Calibration and performance test of high temperature acceleration sensor

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