Single-layer temperature difference part and integrated micro-temperature difference electric part made by film temperature different electric material

A technology of thin-film materials and electrical devices, which is applied in the field of single-layer thermoelectric devices and integrated micro-thermoelectric devices, can solve the problems of small size, low efficiency of thermoelectric devices, application limitations, etc., and achieve the effect of high measurement accuracy

CN101079465BInactive Publication Date: 2010-09-08TIANJIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Publication Date
2010-09-08
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a single-layer thermoelectric device manufactured by the thin-film thermoelectric material and an integration micro thermoelectric device. The single-layer thermoelectric device comprises P type thermoelectric thin-film material monomer and N type thermoelectric thin-film material monomer by electric series connection and electric parallel connection, the difference in temperature with the conductive ejector is established along the length direction of the thermoelectric material. The integration micro thermoelectric device which comprises the single-layer thermoelectric device manufactured by the thin-film thermoelectric material by electric series connection and electric parallel connection is an integration thermoelectric device with lamellar structure in the interior. The invention integrates more thermoelectric monomers on the smaller cross-sectional area of heat flow, the thermoelectric battery with the structure is provided with more energy per unit volume, the cryostat with the structure can establish more difference in the temperature, the infrared detector and thermometric indicator with the structure is provided with high measurement accuracy.
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Description

technical field

[0001] The invention belongs to the technical field of thermoelectricity, and in particular relates to a single-layer thermoelectric device and an integrated miniature thermoelectric device made of thin-film thermoelectric materials. Background technique

[0002] The thermoelectric devices prepared based on the thermoelectric effect mainly include: 1) thermoelectric battery; 2) thermoelectric refrigerator; 3) thermoelectric infrared detector; 4) thermoelectric thermometer. A thermoelectric battery is a thermoelectric device that converts temperature difference into electrical energy. It can use various heat energy to generate electricity, especially in the utilization of low-quality heat energy. The thermoelectric battery is characterized by cleanliness, no noise, no harmful emissions, high efficiency and reliability, and long service life. It is a green and environmentally friendly physical power source. A thermoelectric cooler is a thermoelectric device th...

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Embodiment Construction

[0058] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0059]The single-layer thermoelectric device based on the thin-film thermoelectric material proposed by the present invention is formed by connecting a large number of P-type thermoelectric thin-film material monomers and N-type thermoelectric thin-film material monomers through electrical series or electrical parallel connection, with left and right The lug structure or the interconnecting lug structure is in the form of a film. The temperature differential of a single layer thermoelectric device is established along the length of a thin film of thermoelectric material. The three-dimensional structural diagram of a single-layer thermoelectric device with left and right tab structures formed by electrically connecting a P-type thermoelectric thin film material monomer and an N-type thermoelectric thin film material monomer is shown in Figure 1, and Figure 2 It is a s...