A flexible speed bump vehicle speed detection device and a speed measurement method belong to the technical field of energy recovery and are composed of a speed bump assembly, an elastic assembly, a mechanical rectification assembly, an intermediate gear shaft, a generator and a load resistor. The device is novel in structure, more detailed kinetic energy data can be collected, missed measurement and wrong measurement are reduced, and a solid foundation is provided for accurate calculation of the vehicle speed; the calculation method is scientific and reasonable, the electric signals are output through the vehicle speed detection device for time domain analysis, the time domain analysis comprises the steps of digital filtering processing, wave crest corresponding moment detection and the like, finally, the speeds of the front wheels and the rear wheels of the vehicle passing through the vehicle speed detection device are calculated through formulas, the signal processing method is simple, and the calculation result is more accurate. The vehicle speed measurement method is not affected by the environment, can meet most vehicle speed measurement fields, and has reference significance for further application scenes of speed measurement of the speed bump.
一种柔性减速带车速检测装置及测速方法,属于能量回收技术领域,由减速带组件、弹性组件、机械整流组件、中间齿轮轴、发电机以及负载电阻组成。本发明装置结构新颖,装置有利于采集到更为详细的动能数据,减少漏测误测情形,为精准计算车速提供了坚实基础;本发明计算方法科学合理,通过车速检测装置输出电信号进行时域分析,其中包括数字滤波处理以及波峰对应时刻检测等步骤,最终通过公式分别计算车辆前轮以及后轮通过车速检测装置的速度,信号处理方法简单,计算结果更加精确。本发明车速测速方法不受环境影响,且能满足大部分车速测量领域,对于减速带测速的进一步应用场景具有参考意义。
Flexible speed bump vehicle speed detection device and speed measurement method
一种柔性减速带车速检测装置及测速方法
2023-07-07
Patent
Electronic Resource
Chinese