Thermoelectric power generation module for fluid waste heat recovery, and structure optimization method thereof

Abstract

The invention provides a thermoelectric power generation module for fluid waste heat recovery, and a structure optimization method thereof, and belongs to the technical field of thermoelectric power generation. According to the invention, the length of the thermoelectric semiconductor is determined according to the temperature difference of each thermoelectric semiconductor, when the output powergain value of the thermoelectric semiconductor is optimal, the optimal length of the thermoelectric semiconductor of the improved thermoelectric power generation module is determined, and the cross sectional area of the thermoelectric semiconductor is optimized; by changing the cross sectional area of the thermoelectric semiconductor, the output performance of the thermoelectric power generation module for fluid waste heat recovery is effectively improved, and the thermoelectric conversion efficiency of the thermoelectric power generation module is improved; and compared with a traditional thermoelectric power generation module structure, the thermoelectric power generation module determined by the structure optimization method can solve the problem of electric energy loss caused by the fact that the current generated by the thermoelectric power generation module is limited by the minimum current of the thermoelectric semiconductor.

Description

technical field [0001] The invention belongs to the technical field of thermoelectric power generation, and in particular relates to a thermoelectric power generation module for fluid waste heat recovery and a structure optimization method thereof. Background technique [0002] In recent years, due to the increasing demand for energy, thermoelectric conversion technology, as a promising alternative energy technology, has attracted the attention of renewable energy research due to its advantages of no pollution, no moving parts, no maintenance costs, and long service life. extensive attention. More and more researchers are trying to apply thermoelectric generators to the field of waste heat recovery, including waste heat generated by automobiles, airplanes and helicopters, ships and industries. [0003] The thermoelectric power generation module is the core power generation unit in the thermoelectric conversion technology, which consists of an upper alumina ceramic plate, a ...

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Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a thermoelectric power generation module for fluid waste heat recovery and its structural optimization method, which solves the problem that when recovering fluid waste heat, the current generated by the thermoelectric power generation module is limited by the minimum current of the thermoelectric semiconductor, resulting in electric energy loss problem

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