弹底总压PVDF传感器

摘要

为了测试发射环境下大口径火炮弹底发射装药的挤压应力和挤压破碎过程，设计某型大口径火炮弹底发射装药挤压应力 PVDF传感器。基于 PVDF压电薄膜，设计了新型弹底总压 PVDF传感器；应用发射装药动态挤压破碎试验装置，进行了该新型弹底传感器标定试验；应用该 PVDF 传感器测试获得了弹底发射装药挤压应力，试验验证了弹底挤压应力 PVDF 传感器的可行性。试验结果表明：该新型传感器具有灵敏度高、价格低、性能可靠、能大面积测试的优点，为发射装药发射安全性研究提供了新的测试手段。%In order to test the compression process and compression stress of the propellant charge near projectile base of gun propellant charge, the PVDF sensor for compression stress acted on the projectile base was designed. Based on the PVDF film, the new PVDF sensor for total pressure of projectile base is designed. The calibration experiment has been done using the experiment instrument of dynamic compression and fracture of the propellant charge, the calibration experiment has been done. The compression stresses acted on the projectile base of propellant charge are obtained using the new PVDF sensor. The PVDF sensor is validated by the test. The test results show that the new projectile base sensor has the characteristics, such as high-sensitivity, cheap, reliable, large area measuring and so on. It provides a new measuring method for the study of the launch safety of propellant charge.