Explosion center positioning testing device and method

Abstract

The invention discloses an explosion center positioning testing device and method, and particularly relates to a testing device for explosion center position positioning. The device can be applied toexplosion center position determination in a dynamic explosion scene. The structure mainly comprises an explosion center positioning testing device installing base (1), a cover plate (2), a pressure-sensitive diaphragm (3), compressing bolts (4), bolt installing holes (5), a pressure-sensitive diaphragm sealing groove (6), a pressure-sensitive diaphragm pressure guiding hole (7), a compass (8), ahorizontal bubble (9) and a rolling ball (10). According to the explosion center positioning testing device and method, an explosion center positioning testing device and method body is made of a metal material, and the device is simple in structure, convenient to operate and low in cost; and in the using process, the explosion center positioning testing device is installed on the ground surface of a to-be-test area, no interference can be generated to an explosive field, and the specific explosion center position combined by multiple testing points in any directions can be measured.

Description

technical field [0001] The invention relates to a detonation center positioning testing device and method, which belongs to the technical field of explosion and impact testing, and is mainly used for measuring the detonation center position of ammunition dynamic explosion. Background technique [0002] At present, with the increase of exercises or training activities close to actual combat, the demand for dynamic explosion tests is increasing, and the power field of dynamic explosions needs to be analyzed. Compared with the static explosion test, the dynamic explosion test has a remarkable feature that the detonation center position is uncertain when the ammunition explodes. If accurate measurement is not carried out, it will affect the construction of the explosive force field and the evaluation of the target damage effect. Therefore, it is of great significance to accurately obtain the position of the explosive point of the ammunition for the research of the damage process...

AI Technical Summary

Problems solved by technology

The image method mainly uses a binocular CCD test system. By acquiring dynamic image pictures and calibrated distances, it reads the position of the center of explosion in the picture, which has the characteristics of visualization. However, the image method is complex to operate and is heavily affected by the intensity of ambient light. Generally, the field of view is limited. It has a lot to do with the angle, orientation, and image accuracy of the site layout, the data acquisition rate is low, and the equipment may be damaged by the fragments generated by the explosion, and the cost is high

The seismic wave positioning method mainly uses the arrival time difference of the seismic wave generated by the explosion point acting on different positions on the ground for positioning, which is greatly affected by the topographical environment and geological conditions of the site; the acoustic positioning method uses the explosion source sound received at different positions for positioning, and the accuracy is easily affected. Due to the influence of wind speed, wind direction and ambient temperature, the test error is also large

The sensor time difference method uses the time difference of the shock wave reaching the sensor at the measuring point and the geometric relationship of the measuring point to determine the position of the center of explosion. However, the field layout of the electrical measurement system is relatively cumbersome, the test cable is easily damaged, the test range is limited, and the reliable triggering of the instrument must be ensured.

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