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Micro thermoelectric module and manufacturing method thereof

A thermoelectric module and manufacturing method technology, which is applied in the manufacture/processing of thermoelectric devices, circuits, electrical components, etc., can solve the problems of high operating cost, high technical level and proficiency requirements, etc., and achieves low operating proficiency requirements for personnel, The effect of reducing process costs and reducing equipment

Active Publication Date: 2015-12-23
HUANENG CLEAN ENERGY RES INST
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  • Abstract
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  • Claims
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Problems solved by technology

Some of its processes have high requirements on the technical level and proficiency of operators, and the operating costs are high

Method used

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  • Micro thermoelectric module and manufacturing method thereof
  • Micro thermoelectric module and manufacturing method thereof
  • Micro thermoelectric module and manufacturing method thereof

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Embodiment Construction

[0050] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0051] Figure 8 shows the structure of the micro-thermoelectric module according to the present invention, with reference to Figure 1 to Figure 8 , the miniature thermoelectric module of the present invention includes: a thermopile 10, including a first electrode layer 11, a second electrode layer 12, and a thermoelectric layer composed of alternately arranged P and N-type thermoelectric sheets 131, 132 sandwiched between the two. A material layer 13, wherein the thermopile 10 at least includes a second compartment 22 arranged between every two layers of thermoelectric sheets and a third compartment 24 provided between the remaining two layers of thermoelectric sheets that are close together, wherein , the groove depth of the second separation gr...

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Abstract

The invention discloses a micro thermoelectric module and a manufacturing method thereof. The manufacturing method includes the following steps: obtaining a thermoelectric pile with a sandwich structure, wherein the thermoelectric pile includes a first electrode layer, a second electrode layer, and a layer sandwiched between the two. An array of P and N-type thermoelectric sheets alternately arranged in between; and a plurality of thermoelectric units in which grooves are processed on the thermoelectric pile to form an array. Compared with the prior art, the present invention combines thermopile fabrication and connection electrode processing into one, and only requires a precision cutting machine to complete the process, eliminating the electrode micro-machining steps usually required by the prior art. In this way, all work can be reduced. It requires equipment, reduces process costs, has low requirements on personnel's operating proficiency, and is easy to produce in large quantities.

Description

technical field [0001] The invention relates to the field of thermoelectricity, in particular to a miniature thermoelectric module and a manufacturing method thereof. Background technique [0002] Thermoelectric devices refer to a class of electronic components that can directly convert electric energy to thermal energy. Its core is a thermoelectric module composed of multiple groups of thermoelectric materials with different carrier types connected in series and parallel. [0003] The application of thermoelectric devices has a history of more than one hundred years. In the early days, they were mainly used to detect temperature, such as thermocouples. Later, with the development of high-performance thermoelectric materials, they were used in electronic temperature control, waste heat power generation and aerospace battery packs and other fields. In the past 20 years, the miniaturization technology of thermoelectric modules has received more and more attention because of i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L35/34H01L27/16H10N10/01H10N19/00
Inventor 刘大为李启明彭文博金安君
Owner HUANENG CLEAN ENERGY RES INST
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