交通信号灯为我们的生活带来了便利，同时也在一定程度上保证了我们的人身安全。但是现在却有一个暴露在我们眼皮底下的问题，那就是该设备照明灯的散热问题。散热不畅会导致驱动电源、电解电容器都成为该设备进一步发展的绊脚石，也是造成光源早衰的原因。只有赶快导出热量才有利于下降灯具内的腔体温度，保护电源不在高温环境下长时间作业并减少早衰问题。

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