The invention discloses an image acquisition device, method and system based on a blade rotation angle. The device comprises a propeller, a transmission shaft, propeller driving equipment, a computer, image acquisition equipment and a propeller rotation angle collector; the propeller is connected with the propeller driving equipment through the transmission shaft, and the propeller rotation angle collector is arranged on the transmission shaft and used for collecting rotation angle information of the transmission shaft and feeding back rotation speed information of propeller blades to the computer; the computer is connected with the image acquisition equipment through a digital quantity output port and is used for controlling the sampling time and the sampling frequency of the image acquisition equipment according to the rotating speed; and the image acquisition equipment is used for acquiring a rotation video of the propeller. According to the invention, the image or video data which is not shielded by the blades can be obtained, and the propeller rotation condition consistent with the direct observation of a user can be obtained.
本发明公开了一种基于桨叶转角的图像采集装置、方法及系统。该装置包括:螺旋桨、传动轴、螺旋桨驱动设备、计算机、图像采集设备以及螺旋桨转角采集器;所述螺旋桨通过所述传动轴与所述螺旋桨驱动设备相连,所述螺旋桨转角采集器设置在所述传动轴上,用于采集传动轴的转角信息,并向所述计算机反馈螺旋桨桨叶的转速信息;所述计算机通过数字量输出口和所述图像采集设备连接,用于根据所述转速控制所述图像采集设备的采样时间和采样频率;所述图像采集设备用于采集螺旋桨的转动视频。本发明能够获取不被桨叶遮挡的图像或视频数据,且能够获取与用户直接观测相一致的螺旋桨转动情况。
Image acquisition device, method and system based on blade rotation angle
一种基于桨叶转角的图像采集装置、方法及系统
2021-11-09
Patent
Electronic Resource
Chinese
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