【摘要】 简述了大口径、长焦距红外系统调焦机构的设计,采用了独特的过载保护机构,对电机和电机驱动控制电路进行了有效的保护。同时该调焦机构具有运行平稳、轻便、和可靠性高等特点,并且具备较好的抗振、抗冲击的能力。更多还原

【Abstract】 The process of design on the focusing mechanism of long focus IR system was introduced in the paper.The mechanism provided with particular safeguard mechanism for over loading,to protect the DC-motor drive system.The focusing mechanism was running handiness in high dependability,also having preferable the ability for anti-vibrancy and anti-impingement.更多还原