Portable nitrogen inflating device for optical instrument

The utility model provides a portable nitrogen inflating device for an optical instrument. The portable nitrogen inflating device comprises a gas source, an electric control device, a controllable one-way valve, a universal joint and a gas pipe, the device belongs to a universal, intensive, small and portable nitrogen filling device for various types of optical instruments, adopts a digital control technology, can realize nitrogen filling pressure digital control and nitrogen filling pressure detection on the various types of optical instruments, and can solve the problems that an existing nitrogen filling device cannot realize precise nitrogen filling pressure control, nitrogen filling interfaces are incompatible, and the nitrogen filling efficiency is low. The nitrogen charging maintenance operation is tedious, and the working efficiency is low. 本实用新型提出一种便携式光学仪器氮气充气装置，包括气源、电控装置、可控单向阀、通用接头和气管。本装置属于各型号光学仪器通用、集约、小型便携的氮气充气装置，采用数字化控制技术，可实现对多型号光学仪器进行充氮压力数字化控制以及充氮压力检测，能够解决现有充氮气装置无法实现精密控制充氮压力，充氮接口不兼容，充氮保养操作繁琐，工作效率低