基于Labview的闪光灯光强检测系统的设计

Design of intensity detection system for flashing lights based on Labview

为了更好地对闪光灯性能做出评价,设计了一种应用于闪光灯的光强检测系统。该系统以Labview为开发平台,不仅能检测一定时间内的闪光波形,还可以计算出闪光的峰值光强、有效光强和闪光时间。介绍了该系统的参数计算原理、硬件结构和Labview程序设计,针对数据采集过程中易丢失数据问题提出了有效的解决方法,并通过对Excel表格的控制完成数据的存储。检测结果表明,该系统操作简单,可检测闪光时间>1ms的任意闪光波形,连续采集时间最大达10s,利用该系统能对闪光灯性能做出很好的评价。

To evaluate performance of flashing lights, a new intensity detection system for flashing lights is developed based on the Labview platform in this paper, which not only can detect the flashing waveform in a certain period of time, but also can exactly calculate the peak intensity, efficient intensity, flashing frequency and the flashing time at a high-speed. The parameter calculation principles, hardware configurations and Labview program design are introduced and a effective method is proposed to resolve the problem of data loss easily in the data acquisition process. Finally, detected data are stored by controlling Excel formats. Experimental results show that the designed system can easily detect any flashing waveforms with flashing time greater than 0. 1 s, and the acquisition maximum time reach 10 s. It can do a better evaluation for the performance of flashing lights.