针对传统红外电力检测中存在的缺点，采用TI公司的Davinci技术，设计并实现了一种基于DM6446的改进型测温算法。首先对达芬奇技术和红外电力检测系统进行了阐述，然后介绍了测温算法的原理，重点对改进的测温算法及其实现进行了详细分析。测试结果表明：系统能够有效测量电力设备温度，实现了电力系统的实时检测。

An improved temperatrue measurement algorithm for traditional infrared (IR) detection system was proposed and realized based on Davinci DM6446. Davinci technology and IR power detection system were described and the working principles of temperation measurement algorithm were introduced. Realization of the new DM6446-based algorithm was analyzed in detail. Test results indicated that this new algorithm can measure the temperature of power equipments correctly, realizing real-time detection of power system.