Device and method for measuring equivalent thermoelectric parameters of thermoelectric power generation sheet
A technology of thermoelectric power generation sheet and measurement method, which is applied in the direction of measuring device, heat measurement, and electric device, etc. It can solve the problems of the difference in parameters of the thermoelectric power generation sheet and expensive measuring instruments, and achieve the effect of saving measurement cost and overcoming the parameters of thermoelectric materials
Inactive Publication Date: 2020-04-10
JIANGSU UNIV
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Problems solved by technology
However, the thermoelectric power generation sheets produced by different manufacturers have significant parameter differences, and professional measuring instruments are too expensive. Only a few research institutions have purchased thermoelectric material parameter measuring instruments
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[0026] The technical scheme of the present invention will be described below in conjunction with the accompanying drawings, the specific structure of the thermoelectric power generation sheet and its parameters.
[0027] Such as figure 1 As shown, a measuring device for equivalent thermoelectric parameters of a thermoelectric generator includes an electronic load 1 , a clamping device 2 , a heat sink 3 , a thermoelectric generator 4 , a thermocouple sensor, a constant temperature heating platform 8 and a cooling water pump 9 . The clamping device 2 is similar to a "C" shape as a whole, with a through hole on the top for inserting bolts; a constant temperature heating table 8 is placed on the base of the clamping device 2, and a thermoelectric power generation sheet 4 is placed on the constant temperature heating table 8, and a thermoelectric power generation sheet 4 is placed on it. Place the cooling device 3, and the hot end of the thermoelectric power generation sheet 4 is i...
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The invention provides a device and method for measuring equivalent thermoelectric parameters of a thermoelectric power generation sheet, and belongs to the field of thermoelectric conversion and thermoelectric power generation. The method comprises the following steps of acquiring parameters required for calculating equivalent thermoelectric parameters of the thermoelectric power generation sheetthrough measurement of the measuring device, wherein the parameters include open-circuit output voltage, load output voltage, load output power, cold end temperature, hot end ceramic plate temperature and hot end temperature of the thermoelectric power generation sheet; obtaining equivalent seebeck coefficients, equivalent thermal conductivity and equivalent resistivity of the thermoelectric power generation sheet at different temperatures based on a heat transfer theory and a thermoelectric effect correlation theory. According to the invention, the difficulty of directly measuring thermoelectric parameters of the thermoelectric power generation sheet is overcome, and the measurement cost is greatly saved.
Description
technical field [0001] The invention belongs to the fields of thermoelectric conversion and thermoelectric power generation, and in particular relates to a measuring device and a measuring method for equivalent thermoelectric parameters of a thermoelectric power generation sheet. Background technique [0002] In recent years, the energy crisis has been intensified, and the excessive use of fossil fuels has caused many energy shortages and environmental pollution, such as the oil crisis and global warming. In order to alleviate the use of fossil fuels, researchers are constantly developing and researching new alternative energy sources. Energy conversion technologies such as nuclear power, hydropower, wind power, photovoltaic and thermal power have developed rapidly in recent years. Among them, thermoelectric conversion technology is a new type of energy conversion technology developed based on the Seebeck effect, which has many advantages such as cleanness, no pollution, no ...
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IPC IPC(8): G01R31/00G01R19/00G01R21/02G01K7/02
CPCG01R31/00G01R19/00G01R21/02G01K7/02
Inventor 汪若尘罗丁余未周卫琪陈龙
Owner JIANGSU UNIV