摘要：【中文】本发明属于飞机氧气系统设计技术领域，涉及一种电控式集中氧气系统，包含：充氧面板(1)、泄压阀(2)、氧气瓶组件(3)、氧气控制箱(4)；所述充氧面板(1)与氧气瓶组件(3)通过充氧管路连接，用于与地面充氧设备对接，为飞机氧气系统充氧；所述泄压阀(2)与氧气瓶组件(3)通过泄压管路连接；所述氧气瓶组件(3)通过输氧管路上连接的氧气控制箱(4)为机组和乘客输送氧气；解决了现有氧气瓶组件在机下不能充氧问题，解决了传统氧气系统压力表使用的毛细管加工困难，易变形、折断、堵塞的问题，并解决了夜间飞行时氧气控制箱上标识看不清问题。本发明在满足机上乘员用氧需求的同时，也提高了飞机设计品质。 【EN】The invention belongs to the technical field of airplane oxygen system design, and relates to an electric control type centralized oxygen system, which comprises: the oxygen charging device comprises an oxygen charging panel (1), a pressure release valve (2), an oxygen cylinder assembly (3) and an oxygen control box (4); the oxygenation panel (1) is connected with the oxygen bottle assembly (3) through an oxygenation pipeline and is used for being butted with ground oxygenation equipment to oxygenate an airplane oxygen system; the pressure release valve (2) is connected with the oxygen cylinder assembly (3) through a pressure release pipeline; the oxygen cylinder assembly (3) is used for conveying oxygen to the unit and passengers through an oxygen control box (4) connected to the oxygen conveying pipeline; the problem of current oxygen cylinder subassembly can not oxygenate under quick-witted is solved, the capillary processing difficulty that traditional oxygen system manometer used has been solved, yielding, rupture, the problem of jam to sign is seen unclear on the oxygen control box when having solved the flight night. The invention can meet the oxygen demand of the passengers on the airplane and simultaneously improve the design quality of the airplane.

摘要：【中文】本发明涉及一种退役电池分类方法及系统，所述方法包括下述步骤：测量各预设荷电状态下待分选退役电池的开路电压；根据预先确定的电池开路电压与循环圈数的拟合关系，得到待分选退役电池开路电压对应的循环圈数；基于所述循环圈数确定待分选退役电池分类；其中，所述电池开路电压与循环圈数的拟合关系为对预设荷电状态下样本电池进行循环充放电试验得到的拟合方程。本发明所述测试方法可根据退役动力电池开路电压快速得到电池状态，根据电池状态对电池进行分选，根据分选结果对退役动力电池进行梯次利用。 【EN】The invention relates to a classification method and a system for retired batteries, wherein the method comprises the following steps: measuring the open-circuit voltage of the retired battery to be sorted in each preset charge state; obtaining the number of cycle turns corresponding to the open-circuit voltage of the retired battery to be sorted according to the predetermined fitting relation between the open-circuit voltage of the battery and the number of cycle turns; determining the classification of the retired battery to be sorted based on the number of the circulating circles; the fitting relation between the open-circuit voltage of the battery and the number of cycles is a fitting equation obtained by performing a cyclic charge-discharge test on the sample battery in a preset charge state. The testing method can quickly obtain the battery state according to the open-circuit voltage of the retired power battery, sort the battery according to the battery state, and perform echelon utilization on the retired power battery according to the sorting result.