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远红外技术已经得到了广泛的应用,如药品的干燥,食品的加工,电泳漆膜的干燥等等。它具有升温快,耗电少,效率高等许多优点。本文试通过对绝缘漆的红外光谱图和电热远红外幅射元件的辐射率谱图试验结果的对比,从理论上探讨远红外技术在电机浸渍工艺上应用的可行性。 1.试验原理由物理学可知,一定频率的红外光照射某物质时,如果该物质分子中某个基团的振动频率和红外光频率相同,则二者会产生共振。光的能量通过分子偶极矩的变化而传递给分子,
Far-infrared technology has been widely used, such as drug drying, food processing, electrophoresis film drying and so on. It has many advantages such as quick heating, low power consumption and high efficiency. In this paper, through the comparison of the infrared spectrum of the insulating paint and the emissivity spectrum of the electrothermal far-infrared radiating element, the feasibility of applying the far-infrared technology to the motor impregnation process is theoretically discussed. 1. Experimental principle It is known from physics that when a certain frequency of infrared light irradiates a substance, if one group of molecules in the substance vibrates at the same frequency as the infrared light, the two will resonate. The energy of light is transmitted to molecules by the change of molecular dipole moment,