【目的】电源决定着无线传感器节点的生命周期，本研究通过软硬件一体化设计最大限度地延长节点寿命。【方法】针对自主研发的无线图像传感器节点，根据公式估算节点总功耗，计算铅酸蓄电池容量，根据电池容量设计太阳能电池板，最后根据太阳能电池板和电池参数，设计太阳能充放电智能控制器。【结果】节点选用阀控式密封高能铅酸蓄电池的容量为10 Ah，额定电压为12 V；选用功率为10 W、输出电压17 V、输出电流0．5 A、尺寸为540 mm ×350 mm的单晶硅太阳能电池板。【结论】太阳能供电系统运行在该无线图像传感器节点中，能够稳定、可靠、长期工作。%Objective]Power supply determines the lifecycle of wireless sensor node .This study aims at maximizing the life of the node through integrated software and hardware design .[Method] Based on in-dependent research and development of wireless image sensor nodes , The total power consumption of the node was estimated according to the formula , the capacity of lead-acid battery was calculated .The solar panels were designed according to the battery capacity and the intelligent solar charge controller was designed according to solar panel and battery parameters .[Result]The valve controlled and sealed high-energy lead-acid battery with 10 Ah capacity and 12 V rated voltage , and monocrystalline silicon solar panels with 10 W power, 17 V output voltage, 0.5 A output current and 540 mm ×350 mm size for the nodes were chose to achieve the solar power supply system .[Conclusion]The solar power supply system can perform long-term, stable and reliable work in the wireless image sensor nodes .
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