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Issue:
Design of power management system for space cameras checkout equipment
Author(s):
PENG Qi
,
LIU Xiao-long
,
ZHOU Lu
,
CHEN Jia-yu
Pages:
59
-
64
Year:
2011
Issue:
4
Journal:
Journal of Northeast Normal University(Natural Science Edition)
Abstract:
为预防调试时交流220 V经地检设备串入航天相机而引起损坏,采用铅酸蓄电池对地检设备供电,设计了航天相机地检设备的电源管理系统.介绍了铅酸蓄电池和DC-DC转换电路的特点并对电源管理系统的硬软件进行了设计.采用4个阶段快速充电法以满足提高蓄电池寿命和快速充电要求;采用DC-DC降压电路产生输出电压以提高蓄电池能量的利用率;通过对蓄电池充放电过程中电压、电流、充放安时累计及温度进行自动检测,可严格控...
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