Thermoelectric power generation device
A technology of thermoelectric power generation and thermoelectric modules, applied in the direction of generators/motors, electrical components, thermoelectric devices that only use the Peltier or Seebeck effect, etc., can solve the problem of not being able to maintain the sealing performance of thermoelectric modules, and the inability to ensure heat exchange plates and O-rings Problems such as tight fit state, to achieve good air tightness, improve reliability, and improve airtight performance
Inactive Publication Date: 2016-11-30
KELK LTD
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Problems solved by technology
[0005] However, in the thermoelectric power generation device described in Patent Document 1, when the heat exchange plate on the high temperature side is thermally deformed, etc., the close contact between the heat exchange plate and the O-ring cannot be ensured, and the sandwiched state cannot be maintained. Problems with sealing performance of thermoelectric modules between heat exchange plates
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[0040] Hereinafter, one embodiment of the present invention will be described based on the drawings.
[0041] figure 1 An example in which the thermoelectric power generation device 1 according to the present embodiment is applied to a burner combustion portion of a heat treatment furnace 100 is shown. When the gas used in the heat treatment furnace 100 is discharged, the gas is combusted in the gas burner 3 as a fuel, and the combusted exhaust gas is exhausted through the exhaust pipe 2 . A gas burner 3 for combustion is provided below the exhaust pipe 2 , and a thermoelectric generator 1 is arranged at a position where the flame of the gas burner 3 reaches. By grilling with the flame from the gas burner 3, the heat energy when the gas is burned is converted into electricity by the thermoelectric power generation device 1.
[0042] It should be noted that the thermoelectric power generation device of the present invention may be installed in a place exposed to high temperat...
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A thermoelectric power generation device comprising a heating plate (10) for receiving heat, a cooling plate (20) maintained at a temperature lower than that of the heating plate (10), and sandwiched between the heating plate (10) and the cooling plate (20). The thermoelectric module (30) between the heating plate (10) and the cooling plate (20) is provided with an O-ring (17) surrounding the outer side of the thermoelectric module (30), the heating plate (10) and the cooling plate (20) The outer positions of the O-rings (17) are connected to each other by bolts (11). On these bolts (11), there are coil springs (15) as force-applying parts. The coil springs (15) have The heating plate (10) and the cooling plate (20) have the elasticity to exert force toward each other.
Description
technical field [0001] The present invention relates to a thermoelectric power generation device, in particular to a thermoelectric power generation device in which a plurality of thermoelectric modules are sandwiched in the same plane between a heating plate and a cooling plate. Background technique [0002] Conventionally, there is known a thermoelectric power generation device in which a thermoelectric conversion circuit utilizing the Seebeck effect is sandwiched between two metal heat exchange plates (for example, refer to Patent Document 1). In such a thermoelectric power generation device, an O-ring is arranged to surround the thermoelectric conversion circuit. The O-ring ensures airtightness between the heat exchange plates and prevents moisture (humidity) from intruding into the thermoelectric conversion circuit interposed. part. [0003] According to Patent Document 1, the heat exchange plates are fastened to each other by bolts at a plurality of parts of the outer...
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IPC IPC(8): H01L35/30H02N11/00
Inventor 牧野一也海部宏昌八马弘邦
Owner KELK LTD