Free-field “Pencil” Explosion Pressure Sensor Y1002AE

Free-field “Pencil” Explosion Pressure Sensor Y1002AE

Product Overview

Y1002AE series sensors are sensors that utilize the piezoelectric effect of piezoelectric materials to convert measured pressure into an electrical signal with acceleration compensation.

The quartz sensitive element integrates microelectronic circuitry for long cable drive while providing good consistency and thermal stability. Wide frequency range, fast dynamic response and good temperature characteristics make them suitable for dynamic pressure testing.

Product Technical Indicators

Features

① The frequency response is large enough to reliably reflect all subtle changes in pressure;

② Infinitely small size, no perturbation to the transient flow field of the explosive shock wave;

③ only sensitive to the pressure characteristics to be measured, not sensitive to irrelevant signals such as acceleration, electromagnetic, light and other environmental factors;

④ Have a large sensitivity factor to the measured;

⑤ Linear response to very small or very large input signals;

⑥ Excellent stability.

Layout and deployment of shockwave test systems for open-field explosion experiments

Ground Explosive Shock Wave Test System Layout

Shock wave test in the open field explosion there are two cases, air shock wave test and ground shock wave test. Airborne near-ground explosion due to Mach wave wave front is not a plane, air measurement point height and installation angle of the different will cause large errors, so the height of the sensor should be in the air shock wave field test above the height of the three wave points.

1, The requirement to measure the reconstruction of the explosion shock wave field pressure (swept-in), the sensor's sensitive surface pointing to the same direction of motion with the shock wave, and the wave front perpendicular, the requirements of the sensing unit as far as possible to reduce the disturbance of the shock wave field, intelligent sensing unit frame to be able to adjust the sensor sensitive surface according to the direction of propagation of the shock wave pointing to test the incident shock wave overpressure.

2, The requirements of the measurement of shock wave reflection pressure, the sensor sensitive surface should be perpendicular to the direction of movement of the shock wave (parallel to the wave vibration surface). Ground test sensor sensitive surface and the ground flush, the deployment position in the Mach wave region is best. Positive reflection shock wave test when the sensor should be directly below the explosion source, generally speaking, directly below the steel plate or prefabricated plate will be laid, the intelligent sensing unit firmly fixed, otherwise, the explosion is directly below the intelligent sensing unit will be blown away. The specific layout is shown in the figure.

Project View

System construction

It can be directly connected to the dynamic signal analyzer for testing and analysis. Input type, range, sensor sensitivity, sampling rate and other parameters can be set, real-time transmission, display, analysis and processing of data, the use of computer hard disk can be a long time real-time, uninterrupted recording of multi-channel signals.

Yangzhou Xiyuan Electronic Technology Co.,Ltd.

Building 2,217 kaifa west road,high-tech development zone, yangzhou, jiangsu,China 225128

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