Light-gas gun piston capable of testing missile-borne acceleration and pressure

By integrating acceleration and pressure sensors in the piston housing of the light air cannon and storing data using circuit components, the problem of large errors and inability to obtain real-time speeds in the prior art is solved, and accurate monitoring and data acquisition of piston motion is achieved, reducing the difficulty and cost of experiments.

CN222964513UActive Publication Date: 2025-06-10NORTHWEST INST OF NUCLEAR TECH
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Patent Information

Application Number
CN202422061708.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-23
Publication Date
2025-06-10
Estimated Expiration
2034-08-23

AI Technical Summary

Technical Problem

The existing light air cannon piston acceleration and pressure measurement devices have large errors, and the real-time speed cannot be obtained, making it difficult to accurately test the displacement, acceleration history and front and rear pressure change parameters of the piston movement.

Method used

A light air cannon piston that can test the acceleration and pressure of the bullet load is designed. By integrating acceleration sensors and pressure sensors in the piston housing, and storing measurement data using circuit components, real-time monitoring and data acquisition of piston motion is achieved.

Benefits of technology

This design can accurately obtain the displacement and acceleration history of piston motion, as well as the front and rear pressure change parameters, reducing the difficulty and cost of experiments, and facilitates sensor replacement and maintenance through an easy disassembly structural design.

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Abstract

The utility model relates to a light-gas gun piston, in particular to a light-gas gun piston capable of testing missile-borne acceleration and pressure, and solves the technical problems that an existing light-gas gun piston acceleration and pressure measuring device is large in error and cannot acquire real-time speed. According to the utility model, the pressure sensor and the acceleration sensor are integrated in the piston shell, and the displacement and the acceleration process of the piston motion in the pump pipe and the pressure change parameters at the front end and the rear end are obtained by using data measured by the circuit assembly memory in a missile-borne storage and test mode, so that the structure is simple, the operation is simple and convenient; the experiment difficulty and the experiment cost are reduced; according to the shock-resistant piston, the piston shell, the compression screw cap, the shock-absorbing buffer material and the inner cavity form a two-layer shock-resistant protective structure, so that internal components can be protected, and the piston is ensured to have enough shock-resistant strength.
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