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车载温差发电器(TEG)是一种将汽车尾气中的热能直接转化为电能的新型装置,热电材料技术的日益进步使得TEG在汽车上的应用成为可能.为了研究加装这种温差发电器对车辆燃油经济性的影响,根据热电转换基本理论建立了温差发电器的Simulink仿真模型,然后基于ADVISOR仿真平台搭建了一种并联式混合动力汽车的顶层仿真模型.同时又以实验室物理样机为对象分别建立了多个TEG仿真模型,通过仿真实验对获得的实验数据进行分析后提出温差发电器比功率的概念,据此对TEG配置与整车油耗之间的相互关系进行了解释,为开发更加高效的尾气温差发电混合动力汽车提供了理论依据.
The vehicle temperature difference generator (TEG) is a new type of device that can directly convert the heat energy in the automobile exhaust into electrical energy, and the progress of the thermoelectric material technology makes the application of TEG in the automobile possible.In order to study the application of this thermoelectric generator Vehicle fuel economy, the Simulink simulation model of thermoelectric generator was established according to the basic theory of thermoelectric conversion, and then a top simulation model of parallel hybrid electric vehicle was built based on ADVISOR simulation platform.At the same time, the laboratory physical prototype was taken as object Several TEG simulation models have been established respectively. After analyzing the obtained experimental data through simulation experiments, the concept of specific power of thermoelectric generator has been put forward. Based on this, the relationship between TEG configuration and vehicle fuel consumption has been explained. Efficient tail gas temperature difference hybrid electric vehicle provides a theoretical basis.