JP2020010427A5

JP2020010427A5 -

Info

Publication number: JP2020010427A5
Application number: JP2018126771A
Authority: JP
Filing date: 2018-07-03
Publication date: 2021-07-29
Anticipated expiration: 2038-07-03

Description

この発明は、熱媒が流れる配管に固定される高温側面と、前記高温側面と反対側の低温側面とを有し、前記配管の高温側から低温側に沿って配置された複数の熱電変換モジュールと、前記複数の熱電変換モジュールの前記低温側面に固定された複数の冷却装置と、前記複数の冷却装置のそれぞれに通じる互いに独立した複数の空気路が形成された複合空気路体と、を備えた熱電発電ユニットにある。
また、この発明は、前記熱電発電ユニットを複数備えた熱電発電装置にある。 The invention comprises a hot side that is fixed to the pipe heat medium flows, wherein possess the cold side of the hot side and the opposite side a plurality of thermoelectric conversion modules disposed along the cold side from the hot side of the pipe A plurality of cooling devices fixed to the low temperature side surface of the plurality of thermoelectric conversion modules, and a composite air passage body in which a plurality of independent air passages leading to the plurality of cooling devices are formed. It is in the thermoelectric power generation unit.
Further, the present invention is in a thermoelectric power generation device including a plurality of the thermoelectric power generation units.

Claims

A hot side that is fixed to the pipe heat medium flows, possess a cold side opposite the hot side, and a plurality of thermoelectric conversion modules disposed along the cold side from the hot side of the pipe,
A plurality of cooling devices fixed to the low temperature side surface of the plurality of thermoelectric conversion modules, and
A composite air passage body in which a plurality of independent air passages leading to each of the plurality of cooling devices are formed, and
A thermoelectric power generation unit equipped with.

The first aspect of claim 1, wherein the plurality of air passages of the composite air passage body have a larger cross-sectional area of the air passage corresponding to the low-temperature side fin than the cross-sectional area of the air passage corresponding to the high-temperature side fin. Thermoelectric power generation unit.

The thermoelectric power generation unit according to claim 2, wherein the ratio of the cross-sectional area of the air passage to the external cross-sectional area of the external dimensions is changed without increasing the external dimensions of the composite air passage body.

The plurality of thermoelectric conversion modules are composed of three thermoelectric conversion modules by the first to third thermoelectric conversion modules arranged in order on a straight line.
The plurality of cooling devices are composed of three cooling devices by the first to third cooling devices arranged in order on a straight line fixed to the first to third thermoelectric conversion modules.
Wherein the plurality of air paths of the composite air passage body, three consists airway due from each of the first cooling the third cooling device from the first to the third air passage,
The first air passage has an intake port on an end surface on the side of the first cooling device, houses the first cooling device, and passes under the second and third air passages. It has an exhaust port on the end face on the third cooling device side.
The third air passage has an intake port on the upper surface of the third cooling device, houses the third cooling device, and has an exhaust port on an end surface on the third cooling device side. ,
The second air passage has an intake port on an end surface on the side of the first cooling device, extends in parallel with the side of the first air passage, and bends in a crank shape to form the second cooling device. , And extends in parallel with the side of the third air passage on the side opposite to the side of the first air passage, and has an exhaust port on the end surface on the side of the third cooling device.
The thermoelectric power generation unit according to any one of claims 1 to 3.

Wherein the plurality of air paths, the have a respective end surface of the exhaust side of the composite air passage body outlet, provided an exhaust fan unit to be shared by the plurality of air passages in the end face of the exhaust side, according to claim 1 The thermoelectric power generation unit according to any one of items 1 to 4.

A prismatic heating pipe with a polygonal cross section orthogonal to the longitudinal direction, through which a heat medium flows inside,
A plurality of thermoelectric power generation units according to any one of claims 1 to 4 are provided side by side in a direction orthogonal to the longitudinal direction, and a plurality of thermoelectric power generation units common to the thermoelectric power generation units are provided. Thermoelectric power generation multi-unit and
With
A thermoelectric power generation device in which the thermoelectric power generation multi-units are arranged side by side on at least one side surface of the prismatic heating pipe along at least one of a longitudinal direction and a direction orthogonal to the longitudinal direction of the prismatic heating pipe. ..

Each of the thermoelectric power generation multi-units extends around the circumference in a direction orthogonal to the longitudinal direction of the prismatic heating pipe, and presses the thermoelectric conversion module and the cooling device against the side surface of the prismatic heating pipe. 6. The thermoelectric power generation multi-unit is fixed by a metal fitting, and the thermoelectric power generation multi-unit is formed so as to have a gap through which the fixing metal fitting is passed between each of the composite air passage bodies and the cooling device on the thermoelectric conversion module. The thermoelectric power generator described in.

A cylindrical heating pipe with a circular cross section orthogonal to the longitudinal direction, through which a heat medium flows inside,
The thermoelectric power generation unit according to any one of claims 1 to 5.
With
A thermoelectric power generation device in which a plurality of thermoelectric power generation units are arranged side by side along the circumferential direction of a peripheral surface at at least one location in the longitudinal direction of the cylindrical heating pipe.

Each of the thermoelectric power generation units extends around the circumference in a direction orthogonal to the longitudinal direction of the cylindrical heating pipe, and presses the thermoelectric conversion module and the cooling device against the peripheral surface of the cylindrical heating pipe. The eighth aspect of the present invention, wherein the thermoelectric power generation unit is fixed by a metal fitting, and the thermoelectric power generation unit is formed so as to have a gap through which the fixing metal fitting is passed between the composite air passage body and the cooling device on the thermoelectric conversion module. Thermoelectric generator.

When the traveling direction of air inside the air passage of each thermoelectric generation unit is defined as the longitudinal direction, the cross section of the air passage in the direction orthogonal to the longitudinal direction is inside the radial direction of the cylindrical heating pipe. The eighth or nine claim, wherein the thermoelectric generation unit is trapezoidal or triangular in width narrowing toward Thermoelectric generator.