本文介绍了红外热成象技术的基本原理,以及红外热成象装置的主要构成部分。并叙述了利用该技术对客车和保温车的隔热壁进行品质检查的方法。讨论了利用该技术,测量客车和保温车隔热壁的局部或整车传热系数所存在的问题。 This article describes the basic principles of infrared thermography and the main components of an infrared thermal imaging device. And describes the use of the technology on the insulation of passenger cars and insulation car wall quality inspection methods. The problem of local or whole vehicle heat transfer coefficient of bus and insulation car heat insulation wall is discussed using this technology.