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Thermoelectric conversion module

A thermoelectric conversion and thermoelectric semiconductor technology, applied in thermoelectric device parts, electrical components, generators/motors, etc., can solve the problems of increased cost of thermoelectric conversion modules, difficulty in temperature, high refrigerant prices, etc., to achieve improved utilization efficiency, The effect of improving the temperature difference effect and improving the thermoelectric conversion efficiency

Inactive Publication Date: 2015-09-16
RESONAC CORPORATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since very low-temperature refrigerants are expensive, there is a problem that the cost of the thermoelectric conversion module increases
In addition, when a general-purpose refrigerant is used, since the refrigerant flows through the entire refrigerant chamber, it is difficult to further lower the temperature of the low-temperature heat source side of the thermoelectric conversion element.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0049] Figure 1 to Figure 5 is a diagram showing a schematic configuration of a thermoelectric conversion module in this embodiment, figure 1 is a perspective view schematically showing an example of the thermoelectric conversion module of this embodiment, figure 2 yes figure 1 The top view of the thermoelectric conversion module shown. in addition, image 3 is along figure 1 A cross-sectional view of the I-I line of the thermoelectric conversion module shown, Figure 4 is along figure 1 A sectional view taken along line II-II of the shown thermoelectric conversion module. and then, Figure 5 It is a perspective view showing only the pipe body of the thermoelectric conversion module of the present embodiment taken out.

[0050] Such as Figure 1~5 As shown, the thermoelectric conversion module 10 has a cylindrical tube body 21 having a flat upper surface 21A and a lower surface 21B for flowing a compressive fluid; The high-temperature-side electrode parts 12 and 12...

no. 2 approach

[0076] Figure 6 ~ Figure 8 is a diagram showing a schematic configuration of a thermoelectric conversion module in this embodiment, Figure 6 The shown thermoelectric conversion module of the present embodiment is the same as the thermoelectric conversion module 10 of the first embodiment. figure 2 The top view shown in is equivalent to the thermoelectric conversion module, Figure 7 The shown thermoelectric conversion module of the present embodiment is the same as the thermoelectric conversion module 10 of the first embodiment. image 3 The cross-sectional view shown in is equivalent to the thermoelectric conversion module. in addition, Figure 8 It is a perspective view showing only the pipe body of the thermoelectric conversion module of the present embodiment taken out.

[0077] In addition, the schematic structure showing the overall structure of the thermoelectric conversion module of this embodiment is the same as that of the first embodiment. figure 1 The struc...

no. 3 approach

[0085] Figure 9 ~ Figure 13 is a diagram showing a schematic configuration of a thermoelectric conversion module in this embodiment, Figure 9 is a perspective view schematically showing an example of the thermoelectric conversion module of this embodiment, Figure 10 is removed Figure 9 It is a perspective view of the state of the outer second case member of the shown thermoelectric conversion module. in addition, Figure 11 will be Figure 9 It is a perspective view showing a state in which the second case member on the outer side of the shown thermoelectric conversion module and the first case member that accommodates the thermoelectric conversion element and the like inside the second case member are detached. and then, Figure 12 is along Figure 9 A sectional view of line III-III of the shown thermoelectric conversion module, Figure 13 is along Figure 9 A cross-sectional view of line IV-IV of the shown thermoelectric conversion module.

[0086] Also, for F...

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Abstract

This thermoelectric conversion module includes: a cylindrical pipe through which compressive fluid flows; high temperature side electrode portions that are arranged on a top surface side and a bottom surface side with respect to the pipe, respectively, and are electrically insulated from the pipe; thermoelectric conversion elements configured so that on the high temperature side electrode portions, at least a pair of a p-type thermoelectric semiconductor and an n-type thermoelectric semiconductor are connected electrically in series; low temperature side electrode portions that connect the p-type thermoelectric semiconductor and the n-type thermoelectric semiconductor electrically in series on the thermoelectric conversion elements; and a first case member for housing the pipe, the high temperature side electrode portions, the thermoelectric conversion elements, and the low temperature side electrode portions in such a manner that a void space for flowing refrigerant is provided between the first case member and the low temperature side electrode portions, whereby the module is configured so that the compressive fluid or the refrigerant is caused to flow in an area where the thermoelectric conversion elements are formed, inside or outside the pipe.

Description

technical field [0001] For example, the present invention relates to a thermoelectric conversion module that uses, as a heat source, waste heat of a compressive fluid such as exhaust gas from various industrial machines and automobiles. Background technique [0002] Conventional thermoelectric conversion modules generally have the following structure: electrodes are arranged on the upper and lower surfaces of a plurality of p-type thermoelectric semiconductors and n-type thermoelectric semiconductors, that is, on the high-temperature heat source side surface and the low-temperature heat source side surface to form an electrical circuit, and then Electric insulating plates such as ceramics are provided on both outer surfaces of the electrodes. [0003] On the other hand, in recent years, in the above-mentioned thermoelectric conversion module, attempts have been made to utilize waste heat of compressive fluids such as exhaust gas from various industrial machines and automobil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L35/32H01L35/30H02N11/00
CPCH01L35/32H01L35/30H02N11/00H10N10/82H10N10/17H10N10/13
Inventor 富永昌尚地主孝广石岛善三森正芳山上武松田洋山下翔平
Owner RESONAC CORPORATION
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