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Detecting system of therme generator thermoelectric property

A technology of thermoelectric generator and thermoelectric performance, which is applied in the direction of motor generator testing, machine/structural component testing, instruments, etc., and can solve problems affecting the application of thermoelectric generators, etc.

Inactive Publication Date: 2006-08-23
TSINGHUA UNIV
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Problems solved by technology

The data obtained in this way are often quite different from the thermoelectric performance of the actual thermoelectric generator, and directly affect the application of the thermoelectric generator.

Method used

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  • Detecting system of therme generator thermoelectric property

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Embodiment Construction

[0038] The main structural components of this test system are: (1) An electric heating heat source unit controlled by a computer. The heat source is well insulated except for one heat conduction surface, and the temperature distribution of the heat conduction surface is uniform. There is a (according to the heat conduction surface) (2) a circulating cooling water circuit heat sink unit, the heat sink unit is mainly composed of heat absorbing box, cooling water circulation The loop is mainly used to cool the cold surface of the thermoelectric generator. One end face of the cooling block is flat and has one (according to the size of the heat conduction surface, there can also be multiple) temperature measurement points and temperature sensors; (3) a set of data acquisition cards and control and data acquisition programs and data processing methods The processing unit can realize the temperature measurement and control of the heat source and heat sink unit described in (1) and (2...

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Abstract

This invention relates to a system for testing the thermoelectric performance of a temperature difference generator characterizing in including an electric heating source unit closing to the hot face of the generator to heat the hot face, a loop hot trap unit of circulation cooling water closing to the cold face to reduce the temperature of the cold face of the generator, collecting temperatures of the hot and cold faces of the temperature difference generator, its output current and voltage, the current flow and liquid temperature of the circulation cold water loop hot trap unit to be processed and analyzed to output a control signal and send it to the data collection and process unit of the hot source unit.

Description

technical field [0001] The thermoelectric performance test system of a thermoelectric generator relates to the fields of applied electronic technology and thermal technology. Background technique [0002] A thermoelectric generator is a thermoelectric conversion device made using the thermoelectric effect of materials. When there is a temperature difference between the cold and hot surfaces of the device, the thermoelectric generator can generate a certain amount of electricity. Thermoelectric generators can be divided into high-temperature (above 700°C), medium-temperature (400-700°C) and low-temperature (below 400°C) generators according to the working temperature of their hot surfaces. The materials used in high-temperature generators are mainly silicon-germanium alloys, ferrosilicon alloys, etc.; the materials used in medium-temperature generators are mainly lead telluride and its alloys; the materials used in low-temperature generators are mainly bismuth telluride allo...

Claims

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Application Information

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IPC IPC(8): G01R31/34G01R31/00G01M19/00G01M99/00
Inventor 郑文波王禹吴知非黄志勇周世新
Owner TSINGHUA UNIV
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