开发了一套碳纤维电热体编制设备及工艺控制模型,并对元件进行了一系列电热性能测试。结果表明,加捻及合股工艺的配合比是调整碳纤维股线捻度、外观及强度的关键参数;缠绕装置中排线角正切控制电热芯的螺旋排布。调整以上编制参数所得的电热元件,其功率偏差较小、表面温度均匀、使用寿命较长,可用于制备任意规格的碳纤维电热元件以满足不同加热环境的需要。 Developed a set of carbon fiber electric heating equipment and process control model, and the components were a series of electric and thermal performance test. The results show that the blending ratio of twisting and plying process is the key parameter to adjust the twist, appearance and strength of carbon fiber strands. The electric heating elements obtained by adjusting the above parameters have smaller power deviations, even surface temperatures and longer service life, and can be used for preparing carbon fiber electric heating elements of any specification to meet the needs of different heating environments.