爆破器材
爆破器材
폭파기재
2013年
6期
29-31
,共3页
姜爱华%焦宁%王高%李仰军%刘丽双
薑愛華%焦寧%王高%李仰軍%劉麗雙
강애화%초저%왕고%리앙군%류려쌍
多段爆速%光纤%FPGA%高精度
多段爆速%光纖%FPGA%高精度
다단폭속%광섬%FPGA%고정도
multiple detonation velocity%fiber optical%FPGA%high precision
为了提高炸药的性能，设计一种新型高精度多段爆速仪，以光纤作为传感器采集爆炸信号，通过峰值电压采样保持电路，保证了光纤获取爆炸信号波形峰值间的计时，并由FPGA进行数据处理，提高了系统的测试精度和稳定性，简化了电路设计和调试。文中对峰值电压采样保持电路、光电转换部分电路进行了详细的设计，并结合实验和误差对比分析系统的精度，结果表明本系统在精度上有很大的提高。
為瞭提高炸藥的性能，設計一種新型高精度多段爆速儀，以光纖作為傳感器採集爆炸信號，通過峰值電壓採樣保持電路，保證瞭光纖穫取爆炸信號波形峰值間的計時，併由FPGA進行數據處理，提高瞭繫統的測試精度和穩定性，簡化瞭電路設計和調試。文中對峰值電壓採樣保持電路、光電轉換部分電路進行瞭詳細的設計，併結閤實驗和誤差對比分析繫統的精度，結果錶明本繫統在精度上有很大的提高。
위료제고작약적성능，설계일충신형고정도다단폭속의，이광섬작위전감기채집폭작신호，통과봉치전압채양보지전로，보증료광섬획취폭작신호파형봉치간적계시，병유FPGA진행수거처리，제고료계통적측시정도화은정성，간화료전로설계화조시。문중대봉치전압채양보지전로、광전전환부분전로진행료상세적설계，병결합실험화오차대비분석계통적정도，결과표명본계통재정도상유흔대적제고。
In order to improve the performance of dynamite , a new high-precision multiple detonation velocity meter was designed .Fiber optical was used as the detonator signals received by the transducer .By peak voltage sample-holding circuit, the time between wave peaks of detonator signals obtained from fiber optical was identified , and the data were pro-cessed by FPGA.By this means, the test accuracy and stability of the system were improved , and the circuit design and debugging were simplified.In this paper, peak voltage sample-hold circuit and photoelectric conversion circuit were designed in detail .The precision of the system was comparatively analyzed combining with experiments and error .The results show that the system ensures a great improvement in accuracy .
