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Design of mirror system in digital single lens reflex camera for high-speed continuous shooting

机译：数码单镜反光相机高速连拍镜系统设计

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摘要

This research explores anti-vibration mechanisms for mirror systems in DSLR cameras through numerical methods such as explicit/implicit finite element analysis (FEA) and multi-body dynamics (MBD). Kinematic design of the movable mirrors, which guide incoming light, is carried out through MBD, and a two-dimensional mirror system geometry that increase the mirror area while allowing fast swing-up speeds can be obtained. The dynamic behaviors of mirror systems are predicted via explicit FEM and verified with modal analysis using implicit FEM. In addition, a prototype based on FEA results has been manufactured, and improved anti-vibration performance is confirmed via measurements of the dynamic behavior of the mirror system.
机译：这项研究通过数值方法（例如显式/隐式有限元分析（FEA）和多体动力学（MBD））探索DSLR相机镜系统的抗振机制。通过MBD进行引导入射光的可移动反射镜的运动学设计，并且可以获得二维反射镜系统几何形状，该几何形状在增加反射镜面积的同时允许快速上移速度。镜系统的动态行为通过显式有限元法进行预测，并通过使用隐式有限元法的模态分析进行验证。此外，已经制造出了基于FEA结果的原型，并且通过测量反射镜系统的动态行为，确认了改进的抗振性能。

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