JPWO2020152955A1 - Installation method of thermoelectric conversion device and thermoelectric conversion device - Google Patents

Installation method of thermoelectric conversion device and thermoelectric conversion device Download PDF

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JPWO2020152955A1
JPWO2020152955A1 JP2020567381A JP2020567381A JPWO2020152955A1 JP WO2020152955 A1 JPWO2020152955 A1 JP WO2020152955A1 JP 2020567381 A JP2020567381 A JP 2020567381A JP 2020567381 A JP2020567381 A JP 2020567381A JP WO2020152955 A1 JPWO2020152955 A1 JP WO2020152955A1
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欣三 田村
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Murata Manufacturing Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
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    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction

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Abstract

熱電変換装置（１）の設置方法は、外側壁（Ｗａ１）と、外側壁（Ｗａ１）の厚さ方向において外側壁（Ｗａ１）と隣り合うように配置された内側壁（Ｗａ２）と、を有する壁（Ｗａ１０）に熱電変換装置（１）を設置する方法である。熱電変換装置（１）は、第１伝熱部材（１２）と第２伝熱部材（１３）とを有し、第１伝熱部材（１２）の温度と第２伝熱部材（１３）の温度との温度差に応じて発電する。そして、外側壁（Ｗａ１）に穿設された開口部（Ｈｏ１）から第１伝熱部材（１２）の一部が外側壁（Ｗａ１）における内側壁（Ｗａ２）側とは反対側へ露出し且つ第２伝熱部材（１３）が内側壁（Ｗａ２）に熱的に結合した状態で熱電変換装置（１）を壁（Ｗａ１０）に設置する。 The method of installing the thermoelectric conversion device (1) includes an outer wall surface (Wa1) and an inner side wall (Wa2) arranged so as to be adjacent to the outer wall surface (Wa1) in the thickness direction of the outer wall surface (Wa1). This is a method of installing the thermoelectric conversion device (1) on the wall (Wa10). The thermoelectric conversion device (1) has a first heat transfer member (12) and a second heat transfer member (13), and the temperature of the first heat transfer member (12) and the temperature of the second heat transfer member (13). It generates heat according to the temperature difference from the temperature. Then, a part of the first heat transfer member (12) is exposed from the opening (Ho1) formed in the outer wall (Wa1) to the side opposite to the inner side wall (Wa2) side of the outer wall (Wa1). The thermoelectric conversion device (1) is installed on the wall (Wa10) in a state where the second heat transfer member (13) is thermally coupled to the inner side wall (Wa2).

Description

本発明は、熱電変換装置の設置方法および熱電変換装置に関する。 The present invention relates to a method for installing a thermoelectric conversion device and a thermoelectric conversion device.

建物の外側に露出する外側壁と、外側壁よりも建物の内側に位置し外側壁との間に空間が形成された状態で配置された内側壁と、板状であり外側壁と内側壁との間において厚さ方向における一面が外側壁の内面に接触させた状態で外側壁に取り付けられた熱電変換部と、を含む建物の壁構造が提案されている（例えば特許文献１参照）。ここで、熱電変換部の厚さ方向における他面側は、外側壁と内側壁との間を流動する空気で冷却される。そして、熱電変換部は、厚さ方向における一面側の温度と厚さ方向における他面側の温度との温度差に応じて発電する。 An outer wall exposed to the outside of the building, an inner side wall arranged in a state where a space is formed between the outer wall and the outer wall located inside the building, and a plate-shaped outer wall and inner side wall. A wall structure of a building including a thermoelectric conversion unit attached to an outer wall in a state where one surface in the thickness direction is in contact with the inner surface of the outer wall has been proposed (see, for example, Patent Document 1). Here, the other surface side of the thermoelectric conversion portion in the thickness direction is cooled by the air flowing between the outer wall and the inner side wall. Then, the thermoelectric conversion unit generates electricity according to the temperature difference between the temperature on the one side in the thickness direction and the temperature on the other side in the thickness direction.

米国特許出願公開第２０１４／０２６０００３号明細書U.S. Patent Application Publication No. 2014/026003

しかしながら、特許文献１に記載された壁構造の場合、外側壁と内側壁との間を流動する空気が、外側壁から熱電変換部を通って伝達してくる熱により暖められてしまう。そうすると、熱電変換部の厚さ方向における一面側の温度と他面側の温度との温度差が小さくなり、熱電変換部の発電量が低下してしまう虞がある。 However, in the case of the wall structure described in Patent Document 1, the air flowing between the outer wall and the inner side wall is warmed by the heat transmitted from the outer wall through the thermoelectric conversion unit. Then, the temperature difference between the temperature on one side and the temperature on the other side in the thickness direction of the thermoelectric conversion unit becomes small, and there is a possibility that the amount of power generated by the thermoelectric conversion unit decreases.

本発明は、上記事由に鑑みてなされたものであり、発電量を向上させることができる熱電変換装置の設置方法および熱電変換装置を提供することを目的とする。 The present invention has been made in view of the above reasons, and an object of the present invention is to provide a method for installing a thermoelectric conversion device and a thermoelectric conversion device capable of improving the amount of power generation.

上記目的を達成するために、本発明の一態様に係る熱電変換装置の設置方法は、
第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材に熱電変換装置を設置する熱電変換装置の設置方法であって、
前記熱電変換装置は、第１部位と前記第１部位とは異なる第２部位とを有し、
前記第１造営材に穿設された開口部から前記第１部位が前記第１造営材における前記第２造営材側とは反対側へ露出し且つ前記第２部位が前記第２造営材に熱的に結合した状態で前記熱電変換装置を前記建材に設置する。In order to achieve the above object, the method of installing the thermoelectric conversion device according to one aspect of the present invention is
Installation of a thermoelectric conversion device for installing a thermoelectric conversion device on a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It ’s a method,
The thermoelectric conversion device has a first portion and a second portion different from the first portion.
The first part is exposed to the side of the first building material opposite to the side of the second building material from the opening formed in the first building material, and the second part heats the second building material. The thermoelectric conversion device is installed on the building material in a state of being specifically coupled.

また、本発明の一態様に係る熱電変換装置の設置方法は、
前記第１造営材と前記第２造営材との間の少なくとも一部の領域に空隙が形成されていてもよい。Further, the method of installing the thermoelectric conversion device according to one aspect of the present invention is as follows.
A gap may be formed in at least a part of the region between the first building material and the second building material.

また、本発明の一態様に係る熱電変換装置の設置方法は、
前記熱電変換装置の少なくとも一部と前記第１造営材との間に、前記第１造営材から前記第２部位への熱の伝達を遮蔽する断熱部が介在していてもよい。Further, the method of installing the thermoelectric conversion device according to one aspect of the present invention is as follows.
A heat insulating portion that shields heat transfer from the first building material to the second part may be interposed between at least a part of the thermoelectric conversion device and the first building material.

他の観点から見た本発明の一態様に係る熱電変換装置は、
第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材の前記第１造営材に穿設された開口部から少なくとも一部が前記第１造営材における前記第２造営材側とは反対側へ露出した状態で前記建材に設置される熱電変換装置であって、
第１伝熱部材と、
第２伝熱部材と、
前記第１伝熱部材と前記第２伝熱部材との間に配置された少なくとも１つの熱電変換素子と、
前記第１伝熱部材と前記第２伝熱部材との間において、前記少なくとも１つの熱電変換素子を囲繞するように配置された断熱部材と、を備える。The thermoelectric conversion device according to one aspect of the present invention from another viewpoint is
An opening formed in the first building material of a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It is a thermoelectric conversion device installed in the building material in a state where at least a part of the part is exposed to the side opposite to the side of the second building material in the first building material.
The first heat transfer member and
The second heat transfer member and
At least one thermoelectric conversion element arranged between the first heat transfer member and the second heat transfer member,
A heat insulating member arranged so as to surround at least one thermoelectric conversion element is provided between the first heat transfer member and the second heat transfer member.

また、本発明の一態様に係る熱電変換装置は、
前記第１伝熱部材の熱伝導率は、前記第２伝熱部材の熱伝導率よりも高い、ものであってもよい。Further, the thermoelectric conversion device according to one aspect of the present invention is
The thermal conductivity of the first heat transfer member may be higher than the thermal conductivity of the second heat transfer member.

また、本発明の一態様に係る熱電変換装置は、
前記第１伝熱部材における前記第１造営材に穿設された開口部から前記第２造営材側とは反対側へ露出した部分の放射率は、前記第２伝熱部材の放射率よりも高い、ものであってもよい。Further, the thermoelectric conversion device according to one aspect of the present invention is
The emissivity of the portion of the first heat transfer member exposed from the opening formed in the first construction material to the side opposite to the second construction material side is higher than the emissivity of the second heat transfer member. It may be expensive.

本発明によれば、第１造営材に穿設された開口部から第１部位が第１造営材における第２造営材側とは反対側へ露出し且つ第２部位が第２造営材に熱的に結合した状態で熱電変換装置を建材に設置する。これにより、例えば第２部位が第２造営材から距離を離した状態で熱電変換装置を建材に設置した場合に比べて、第１部位の温度と第２部位の温度との温度差を大きくすることができる。従って、建材に設置された熱電変換装置の発電量を向上させることができる。 According to the present invention, the first part is exposed to the side opposite to the side of the second building material in the first building material from the opening formed in the first building material, and the second part heats up to the second building material. The thermoelectric conversion device is installed on the building material in a state of being connected. As a result, for example, the temperature difference between the temperature of the first part and the temperature of the second part is increased as compared with the case where the thermoelectric conversion device is installed on the building material with the second part separated from the second building material. be able to. Therefore, it is possible to improve the amount of power generation of the thermoelectric conversion device installed in the building material.

本発明の実施の形態に係る熱電変換装置が建物の壁に設置された状態の一例を示す概略斜視図である。It is a schematic perspective view which shows an example of the state which the thermoelectric conversion apparatus which concerns on embodiment of this invention is installed on the wall of a building. 実施の形態に係る熱電変換装置の断面図である。It is sectional drawing of the thermoelectric conversion apparatus which concerns on embodiment. 実施の形態に係る熱電変換装置の図２ＡのＡ−Ａ線での断面矢視図である。2A is a cross-sectional view taken along the line AA of FIG. 2A of the thermoelectric conversion device according to the embodiment. 実施の形態に係る熱電変換装置が設置された壁を示す概略断面図である。It is schematic cross-sectional view which shows the wall which installed the thermoelectric conversion apparatus which concerns on embodiment. 比較例に係る熱電変換装置が設置された壁を示す概略断面図である。It is schematic cross-sectional view which shows the wall which installed the thermoelectric conversion apparatus which concerns on a comparative example. 変形例に係る熱電変換装置が設置された壁を示す概略正面図である。It is a schematic front view which shows the wall where the thermoelectric conversion device which concerns on a modification is installed. 変形例に係る熱電変換装置が設置された壁の図５のＢ−Ｂ線での断面矢視図である。FIG. 5 is a cross-sectional arrow view taken along line BB in FIG. 5 of a wall on which a thermoelectric conversion device according to a modified example is installed. 変形例に係る熱電変換装置の断面図である。It is sectional drawing of the thermoelectric conversion apparatus which concerns on a modification. 変形例に係る熱電変換装置の図７ＡのＣ−Ｃ線での断面矢視図である。FIG. 7A is a cross-sectional arrow view taken along the line CC of FIG. 7A of the thermoelectric conversion device according to the modified example.

以下、本発明の実施の形態に係る熱電変換装置の設置方法について図面を参照して詳細に説明する。本実施の形態に係る熱電変換装置の設置方法は、第１造営材と、第１造営材の厚さ方向において第１造営材と隣り合うように配置された第２造営材と、を有する建材に熱電変換装置を設置する方法である。ここで、熱電変換装置は、第１部位と第１部位とは異なる第２部位とを有し、第１部位の温度と第２部位の温度との温度差に応じて発電する。そして、この熱電変換装置の設置方法では、第１造営材に穿設された開口部から第１部位が第１造営材における第２造営材側とは反対側へ露出し且つ第２部位が第２造営材に熱的に結合した状態で熱電変換装置を建材に設置する。ここで、「熱的に結合」とは、例えば、第２造営材と第２部位との間で熱が伝わっていることを示す。そして、第２造営材と第２部位との間に、樹脂やシートなどを介して熱が伝わっている場合も含まれる。 Hereinafter, a method of installing the thermoelectric conversion device according to the embodiment of the present invention will be described in detail with reference to the drawings. The method of installing the thermoelectric conversion device according to the present embodiment is a building material having a first building material and a second building material arranged so as to be adjacent to the first building material in the thickness direction of the first building material. It is a method of installing a thermoelectric conversion device in. Here, the thermoelectric conversion device has a first portion and a second portion different from the first portion, and generates electricity according to the temperature difference between the temperature of the first portion and the temperature of the second portion. Then, in this method of installing the thermoelectric conversion device, the first part is exposed to the side opposite to the second building material side in the first building material from the opening formed in the first building material, and the second part is the second part. 2 Install the thermoelectric conversion device on the building material in a state where it is thermally coupled to the building material. Here, "thermally bonded" means, for example, that heat is transferred between the second construction material and the second part. Then, the case where heat is transferred between the second construction material and the second part through a resin, a sheet, or the like is also included.

例えば図１に示すように、本実施の形態に係る熱電変換装置１は、建物の壁Ｗａ１０の外側に露出するように壁Ｗａ１０に設置される。熱電変換装置１は、図２Ａに示すように、複数の熱電変換素子１１と、第１伝熱部材１２と、第２伝熱部材１３と、断熱部材１４と、を備える。また、複数の熱電変換素子１１は、第１伝熱部材１２と第２伝熱部材１３との間に配置されている。複数の熱電変換素子１１は、それぞれ、いわゆるπ型の熱電変換素子或いは積層型の熱電変換素子であり、第１伝熱部材１２に熱的に結合した部分と第２伝熱部材１３に熱的に結合した部分とを有する。そして、複数の熱電変換素子１１は、それぞれ、第１伝熱部材１２に熱的に結合した部分の温度と第２伝熱部材１３に熱的に結合した部分の温度との温度差に応じて発電する。複数の熱電変換素子１１それぞれの発電量は、第１伝熱部材１２に熱的に結合した部分の温度と第２伝熱部材１３に熱的に結合した部分の温度との温度差が大きいほど大きくなる。また、複数の熱電変換素子１１は、互いに直列に接続されている。 For example, as shown in FIG. 1, the thermoelectric conversion device 1 according to the present embodiment is installed on the wall Wa10 so as to be exposed to the outside of the wall Wa10 of the building. As shown in FIG. 2A, the thermoelectric conversion device 1 includes a plurality of thermoelectric conversion elements 11, a first heat transfer member 12, a second heat transfer member 13, and a heat insulating member 14. Further, the plurality of thermoelectric conversion elements 11 are arranged between the first heat transfer member 12 and the second heat transfer member 13. The plurality of thermoelectric conversion elements 11 are so-called π-type thermoelectric conversion elements or laminated type thermoelectric conversion elements, respectively, and are thermally coupled to the first heat transfer member 12 and the second heat transfer member 13. Has a portion bonded to. Then, the plurality of thermoelectric conversion elements 11 correspond to the temperature difference between the temperature of the portion thermally coupled to the first heat transfer member 12 and the temperature of the portion thermally coupled to the second heat transfer member 13, respectively. Generate electricity. The amount of power generated by each of the plurality of thermoelectric conversion elements 11 is such that the larger the temperature difference between the temperature of the portion thermally coupled to the first heat transfer member 12 and the temperature of the portion thermally coupled to the second heat transfer member 13. growing. Further, the plurality of thermoelectric conversion elements 11 are connected in series with each other.

第１伝熱部材１２および第２伝熱部材１３は、例えば金属から板状に形成されたものである。ここで、第１伝熱部材１２は、熱電変換装置１の第１部位に相当し、第２伝熱部材１３は、熱電変換装置１の第２部位に相当する。また、第１伝熱部材１２の熱伝導率は、第２伝熱部材１３の熱伝導率よりも高い。例えば第２伝熱部材１３が鉄（熱伝導率：７２乃至８０．４Ｗ／Ｋ／ｍ）から形成されているとする。この場合、第１伝熱部材１２は、例えば銅（熱伝導率：３８６乃至４０２Ｗ／Ｋ／ｍ）から形成されていてもよい。更に、第１伝熱部材１２の少なくとも第２伝熱部材１３側とは反対側の表面１２ａの放射率が、第２伝熱部材１３の表面の放射率よりも高い。例えば第１伝熱部材１２の表面１２ａには、黒色の塗料が塗布されていてもよい。 The first heat transfer member 12 and the second heat transfer member 13 are formed of, for example, a metal in a plate shape. Here, the first heat transfer member 12 corresponds to the first part of the thermoelectric conversion device 1, and the second heat transfer member 13 corresponds to the second part of the thermoelectric conversion device 1. Further, the thermal conductivity of the first heat transfer member 12 is higher than the thermal conductivity of the second heat transfer member 13. For example, it is assumed that the second heat transfer member 13 is made of iron (thermal conductivity: 72 to 80.4 W / K / m). In this case, the first heat transfer member 12 may be formed of, for example, copper (thermal conductivity: 386 to 402 W / K / m). Further, the emissivity of the surface 12a of the first heat transfer member 12 at least on the side opposite to the second heat transfer member 13 side is higher than the emissivity of the surface of the second heat transfer member 13. For example, the surface 12a of the first heat transfer member 12 may be coated with a black paint.

断熱部材１４は、第１伝熱部材１２と第２伝熱部材１３との間に配置されている。断熱部材１４は、例えば図２Ｂに示すように、複数（図２Ｂでは１２個）の熱電変換素子１１それぞれを囲繞するように配置されている。断熱部材１４は、発泡系断熱材、繊維系断熱材等から形成されている。発泡系断熱材としては、例えばポリスチレンフォーム、ポリウレタンフォーム、フェノールフォーム等が挙げられる。また、繊維系断熱材としては、グラスウール、ロックウール、セルロースファイバ、羊毛等が挙げられる。 The heat insulating member 14 is arranged between the first heat transfer member 12 and the second heat transfer member 13. As shown in FIG. 2B, for example, the heat insulating member 14 is arranged so as to surround each of a plurality of (12 in FIG. 2B) thermoelectric conversion elements 11. The heat insulating member 14 is formed of a foam-based heat insulating material, a fiber-based heat insulating material, or the like. Examples of the foam-based heat insulating material include polystyrene foam, polyurethane foam, and phenol foam. Examples of the fiber-based heat insulating material include glass wool, rock wool, cellulose fiber, and wool.

次に、本実施の形態に係る熱電変換装置１の建物の壁Ｗａ１０への設置方法について図３を参照しながら説明する。壁Ｗａ１０は、図３に示すように、外側壁Ｗａ１と、外側壁Ｗａ１の厚さ方向において外側壁Ｗａ１と隣り合うように配置された内側壁Ｗａ２と、を有する。ここで、外側壁Ｗａ１、内側壁Ｗａ２は、それぞれ、第１造営材、第２造営材に相当する。また、外側壁Ｗａ１と内側壁Ｗａ２との間には、空隙Ｓ１が形成されている。そして、外側壁Ｗａ１における熱電変換装置１が設置される箇所には、外側壁Ｗａ１を厚さ方向に貫通する開口部Ｈｏ１が穿設されている。また、内側壁Ｗａ２は、本体部Ｗａ２２と、本体部Ｗａ２２における開口部Ｈｏ１に対向する部位に配設され外側壁Ｗａ１に近づく方向へ突出した突台部Ｗａ２１と、突台部Ｗａ２１の外側壁Ｗａ１側に形成された取付面Ｗａ２１ａとを有する。外側壁Ｗａ１と内側壁Ｗａ２の本体部Ｗａ２２は、例えばコンクリートから形成され、内側壁Ｗａ２の突台部Ｗａ２１は、例えばモルタルから形成されている。 Next, a method of installing the thermoelectric conversion device 1 according to the present embodiment on the wall Wa10 of the building will be described with reference to FIG. As shown in FIG. 3, the wall Wa10 has an outer wall Wa1 and an inner side wall Wa2 arranged so as to be adjacent to the outer wall Wa1 in the thickness direction of the outer wall Wa1. Here, the outer wall Wa1 and the inner side wall Wa2 correspond to the first construction material and the second construction material, respectively. Further, a gap S1 is formed between the outer wall Wa1 and the inner side wall Wa2. Then, an opening Ho1 that penetrates the outer wall Wa1 in the thickness direction is bored at a place where the thermoelectric conversion device 1 is installed on the outer wall Wa1. Further, the inner side wall Wa2 is arranged at a portion of the main body Wa22 facing the opening Ho1 and protrudes in a direction approaching the outer wall Wa1, and the outer wall Wa1 of the pedestal Wa21. It has a mounting surface Wa21a formed on the side. The main body portion Wa22 of the outer side wall Wa1 and the inner side wall Wa2 is formed of, for example, concrete, and the abutment portion Wa21 of the inner side wall Wa2 is formed of, for example, mortar.

壁Ｗａ１０に熱電変換装置１を設置する際、まず、突台部Ｗａ２１の取付面Ｗａ２１ａにエポキシ樹脂を含む接着剤（図示せず）を塗布する。なお、接着剤としては、例えばエポキシ樹脂よりも熱伝導率の高い金属を含むものであるものが、内側壁Ｗａ２から第２伝熱部材１３への伝熱性向上の観点から好ましい。次に、熱電変換装置１の第２伝熱部材１３を、接着剤により突台部Ｗａ２１に接着させることにより、熱電変換装置１を内側壁Ｗａ２に固定する。このように、第２伝熱部材１３が第２伝熱部材１３に比べて熱容量の大きい内側壁Ｗａ２に固定されていることにより、第２伝熱部材１３の温度が、内側壁Ｗａ２の温度と同じ温度で安定的に維持される。また、熱電変換装置１が、内側壁Ｗａ２の突台部Ｗａ２１に固定された状態で、外側壁Ｗａ１との間に空隙Ｓ２が形成されている。この空隙Ｓ２と熱電変換装置１の断熱部材１４とから、外側壁Ｗａ１から熱電変換装置１の第２伝熱部材１３への熱の伝達を遮蔽する断熱部が構成されている。これにより、外側壁Ｗａ１から第２伝熱部材１３への伝熱が抑制されている。 When installing the thermoelectric conversion device 1 on the wall Wa10, first, an adhesive (not shown) containing an epoxy resin is applied to the mounting surface Wa21a of the abutment portion Wa21. As the adhesive, for example, one containing a metal having a higher thermal conductivity than the epoxy resin is preferable from the viewpoint of improving the heat transfer property from the inner side wall Wa 2 to the second heat transfer member 13. Next, the second heat transfer member 13 of the thermoelectric conversion device 1 is adhered to the abutment portion Wa 21 with an adhesive to fix the thermoelectric conversion device 1 to the inner side wall Wa2. In this way, since the second heat transfer member 13 is fixed to the inner side wall Wa2 having a larger heat capacity than the second heat transfer member 13, the temperature of the second heat transfer member 13 becomes the temperature of the inner side wall Wa2. Stable at the same temperature. Further, in a state where the thermoelectric conversion device 1 is fixed to the abutment portion Wa21 of the inner side wall Wa2, a gap S2 is formed between the thermoelectric conversion device 1 and the outer wall Wa1. The gap S2 and the heat insulating member 14 of the thermoelectric conversion device 1 constitute a heat insulating portion that shields heat transfer from the outer wall Wa1 to the second heat transfer member 13 of the thermoelectric conversion device 1. As a result, heat transfer from the outer wall Wa1 to the second heat transfer member 13 is suppressed.

次に、本実施の形態に係る熱電変換装置１の設置方法で設置された熱電変換装置１の発電特性について、比較例に係る熱電変換装置１の設置方法で設置された場合と比較しながら説明する。比較例に係る熱電変換装置１の設置方法では、例えば図４に示すような壁Ｗａ９０に熱電変換装置１が設置される。なお、図４において実施の形態と同様の構成については図３と同一の符号を付している。壁Ｗａ９０は、外側壁Ｗａ１と内側壁Ｗａ９とを有し、内側壁Ｗａ９には突台部が設けられていない点が実施の形態に係る壁Ｗａ１０と相違する。熱電変換装置１は、その第２伝熱部材１３が内側壁Ｗａ９から距離を離した状態で、壁Ｗａ９０に固定されている。ここで、第２伝熱部材１３と内側壁Ｗａ９との間の距離Ｗ９は、例えば１０乃至２０ｃｍに設定されている。比較例に係る設置方法を採用した場合、熱電変換装置１の第２伝熱部材１３は、第２伝熱部材１３と内側壁Ｗａ９との間を流動する空気の自然対流により冷却されることになる。 Next, the power generation characteristics of the thermoelectric conversion device 1 installed by the installation method of the thermoelectric conversion device 1 according to the present embodiment will be described while comparing with the case where the thermoelectric conversion device 1 is installed by the installation method of the thermoelectric conversion device 1 according to the comparative example. do. In the method of installing the thermoelectric conversion device 1 according to the comparative example, for example, the thermoelectric conversion device 1 is installed on the wall Wa 90 as shown in FIG. In FIG. 4, the same reference numerals as those in FIG. 3 are attached to the same configurations as those in the embodiment. The wall Wa90 is different from the wall Wa10 according to the embodiment in that the wall Wa90 has an outer wall Wa1 and an inner side wall Wa9, and the inner side wall Wa9 is not provided with a pedestal portion. The thermoelectric conversion device 1 is fixed to the wall Wa 90 in a state where the second heat transfer member 13 is separated from the inner side wall Wa 9. Here, the distance W9 between the second heat transfer member 13 and the inner side wall Wa9 is set to, for example, 10 to 20 cm. When the installation method according to the comparative example is adopted, the second heat transfer member 13 of the thermoelectric conversion device 1 is cooled by the natural convection of air flowing between the second heat transfer member 13 and the inner side wall Wa 9. Become.

ここで、本実施の形態に係る設置方法により熱電変換装置１を壁Ｗａ１０に設置した場合と比較例に係る設置方法により熱電変換装置１を壁Ｗａ９０に設置した場合とで発電量を計測した結果を表１および表２に示す。ここで、熱電変換装置１を、東向きの壁Ｗａ１０、Ｗａ９０と、南向きの壁Ｗａ１０、Ｗａ９０とに設置し、２０１８年１１月から２０１８年１２月の間の１ヶ月間における熱電変換装置１の発電量を計測した。また、熱電変換装置１として、例えば第１伝熱部材１２の表面１２ａの９０％以上に黒色の塗料が塗布されたものを採用した。表１は、東向きの壁Ｗａ１０、Ｗａ９０に熱電変換装置１を設置した場合の結果を示し、表２は、南向きの壁Ｗａ１０、Ｗａ９０に熱電変換装置１を設置した場合の結果を示す。 Here, the result of measuring the amount of power generation between the case where the thermoelectric conversion device 1 is installed on the wall Wa10 by the installation method according to the present embodiment and the case where the thermoelectric conversion device 1 is installed on the wall Wa90 by the installation method according to the comparative example. Are shown in Tables 1 and 2. Here, the thermoelectric conversion device 1 is installed on the east facing walls Wa10 and Wa90 and the south facing walls Wa10 and Wa90, and the thermoelectric conversion device 1 is installed for one month from November 2018 to December 2018. The amount of power generation was measured. Further, as the thermoelectric conversion device 1, for example, one in which 90% or more of the surface 12a of the first heat transfer member 12 is coated with a black paint is adopted. Table 1 shows the results when the thermoelectric conversion device 1 is installed on the walls Wa10 and Wa90 facing east, and Table 2 shows the results when the thermoelectric conversion device 1 is installed on the walls Wa10 and Wa90 facing south.

Figure 2020152955
Figure 2020152955

Figure 2020152955
Figure 2020152955

表１に示すように、東向きの壁Ｗａ１０、Ｗａ９０に熱電変換装置１を設置した場合、実施の形態に係る設置方法を採用した場合のほうが比較例に係る設置方法を採用した場合に比べて発電量が１５．８％程度増加していることが判る。また、表２に示すように、南向きの壁Ｗａ１０、Ｗａ９０に熱電変換装置１を設置した場合、実施の形態に係る設置方法を採用した場合のほうが比較例に係る設置方法を採用した場合に比べて発電量が１８．１％程度増加していることが判る。この結果について以下のように考察される。比較例に係る設置方法を採用した場合、第２伝熱部材１３が第２伝熱部材１３と内側壁Ｗａ９との間を流動する空気の自然対流により冷却されるものであるため、第２伝熱部材１３の温度は内側壁Ｗａ９の温度よりも高くなり易い。これに対して、実施の形態に係る設置方法を採用した場合、前述のように、第２伝熱部材１３の温度が、内側壁Ｗａ２の温度と同じ温度で安定的に維持される。このため、実施の形態に係る設置方法を採用した場合のほうが、比較例に係る設置方法を採用した場合に比べて、第１伝熱部材１２の温度と第２伝熱部材１３の温度との温度差が大きくなり、熱電変換装置１の発電量も大きくなると考えられる。 As shown in Table 1, when the thermoelectric conversion device 1 is installed on the walls Wa10 and Wa90 facing east, the installation method according to the embodiment is adopted as compared with the installation method according to the comparative example. It can be seen that the amount of power generation has increased by about 15.8%. Further, as shown in Table 2, when the thermoelectric conversion device 1 is installed on the south-facing walls Wa10 and Wa90, the installation method according to the embodiment is adopted and the installation method according to the comparative example is adopted. It can be seen that the amount of power generation has increased by about 18.1%. This result is considered as follows. When the installation method according to the comparative example is adopted, the second heat transfer member 13 is cooled by the natural convection of the air flowing between the second heat transfer member 13 and the inner side wall Wa9, so that the second heat transfer member 13 is cooled. The temperature of the heat member 13 tends to be higher than the temperature of the inner side wall Wa9. On the other hand, when the installation method according to the embodiment is adopted, the temperature of the second heat transfer member 13 is stably maintained at the same temperature as the temperature of the inner side wall Wa2 as described above. Therefore, when the installation method according to the embodiment is adopted, the temperature of the first heat transfer member 12 and the temperature of the second heat transfer member 13 are higher than when the installation method according to the comparative example is adopted. It is considered that the temperature difference becomes large and the amount of power generated by the thermoelectric conversion device 1 also becomes large.

以上説明したように、本実施の形態に係る熱電変換装置１の設置方法によれば、外側壁Ｗａ１に穿設された開口部Ｈｏ１から第１伝熱部材１２が外側壁Ｗａ１における内側壁Ｗａ２側とは反対側へ露出し且つ第２伝熱部材１３が内側壁Ｗａ２の突台部Ｗａ２１に接触した状態で熱電変換装置１を建物の壁Ｗａ１０に設置する。これにより、例えば第２伝熱部材１３が内側壁Ｗａ９から距離を離した状態で熱電変換装置１を建物の壁Ｗａ９０に設置した場合に比べて、第１伝熱部材１２の温度と第２伝熱部材１３の温度との温度差を大きくすることができる。従って、建物の壁に設置された熱電変換装置１の発電量を向上させることができる。 As described above, according to the installation method of the thermoelectric conversion device 1 according to the present embodiment, the first heat transfer member 12 is located on the inner side wall Wa2 side of the outer wall Wa1 from the opening Ho1 bored in the outer wall Wa1. The thermoelectric conversion device 1 is installed on the wall Wa10 of the building in a state where the second heat transfer member 13 is exposed to the opposite side and is in contact with the abutment portion Wa21 of the inner side wall Wa2. As a result, for example, the temperature of the first heat transfer member 12 and the second heat transfer member 12 are compared with the case where the thermoelectric conversion device 1 is installed on the wall Wa90 of the building with the second heat transfer member 13 separated from the inner side wall Wa9. The temperature difference from the temperature of the heat member 13 can be increased. Therefore, the amount of power generated by the thermoelectric conversion device 1 installed on the wall of the building can be improved.

また、本実施の形態に係る熱電変換装置１の設置方法では、熱電変換装置１を、外側壁Ｗａ１と内側壁Ｗａ２の本体部Ｗａ２２との間に空隙Ｓ１が形成された壁Ｗａ１０に設置する。これにより、外側壁Ｗａ１から内側壁Ｗａ２への伝熱を抑制できるので、第１伝熱部材１２の温度と、内側壁Ｗａ２の突台部Ｗａ２１に固定された第２伝熱部材１３の温度との温度差を大きくできる。従って、第１伝熱部材１２の温度と第２伝熱部材１３の温度との温度差を大きくできる分、熱電変換装置１の発電量を増加させることができる。 Further, in the method of installing the thermoelectric conversion device 1 according to the present embodiment, the thermoelectric conversion device 1 is installed on the wall Wa10 in which the gap S1 is formed between the outer wall Wa1 and the main body portion Wa22 of the inner side wall Wa2. As a result, heat transfer from the outer wall Wa1 to the inner side wall Wa2 can be suppressed, so that the temperature of the first heat transfer member 12 and the temperature of the second heat transfer member 13 fixed to the abutment portion Wa21 of the inner side wall Wa2 The temperature difference can be increased. Therefore, the amount of power generated by the thermoelectric conversion device 1 can be increased by the amount that the temperature difference between the temperature of the first heat transfer member 12 and the temperature of the second heat transfer member 13 can be increased.

更に、本実施の形態に係る熱電変換装置１の設置方法では、熱電変換装置１の周部と外側壁Ｗａ１との間に、空隙Ｓ２が形成されるように熱電変換装置１が内側壁Ｗａ２の突台部Ｗａ２１に固定される。また、熱電変換装置１が、複数の熱電変換素子１１それぞれを囲繞するように配置された断熱部材１４を備える。これにより、外側壁Ｗａ１から第２伝熱部材１３への伝熱が抑制され、第２伝熱部材１３の温度変動が抑制されるので、熱電変換装置１の発電量を安定させることができる。 Further, in the method of installing the thermoelectric conversion device 1 according to the present embodiment, the thermoelectric conversion device 1 has an inner side wall Wa2 so that a gap S2 is formed between the peripheral portion of the thermoelectric conversion device 1 and the outer wall Wa1. It is fixed to the abutment portion Wa21. Further, the thermoelectric conversion device 1 includes a heat insulating member 14 arranged so as to surround each of the plurality of thermoelectric conversion elements 11. As a result, heat transfer from the outer wall Wa 1 to the second heat transfer member 13 is suppressed, and temperature fluctuations of the second heat transfer member 13 are suppressed, so that the amount of power generated by the thermoelectric conversion device 1 can be stabilized.

また、本実施の形態に係る第１伝熱部材１２の熱伝導率は、第２伝熱部材１３の熱伝導率よりも高い。更に、第１伝熱部材１２における外側壁Ｗａ１に穿設された開口部Ｈｏ１から露出した部分の放射率は、第２伝熱部材１３の放射率よりも高い。これにより、太陽からの放射エネルギを効率良く熱電変換素子１１へ伝達させることができるとともに、第２伝熱部材１３の温度変動を抑制することができる。従って、熱電変換装置１の発電量を増加させ且つ安定させることができる。 Further, the thermal conductivity of the first heat transfer member 12 according to the present embodiment is higher than the thermal conductivity of the second heat transfer member 13. Further, the emissivity of the portion of the first heat transfer member 12 exposed from the opening Ho1 formed in the outer wall Wa1 is higher than the emissivity of the second heat transfer member 13. As a result, the radiant energy from the sun can be efficiently transmitted to the thermoelectric conversion element 11, and the temperature fluctuation of the second heat transfer member 13 can be suppressed. Therefore, the amount of power generated by the thermoelectric conversion device 1 can be increased and stabilized.

以上、本発明の実施の形態について説明したが、本発明は前述の実施の形態の構成に限定されるものではない。例えば図５に示すように、複数（図５では８つ）の熱電変換装置１を壁Ｗａ２０に二次元に並べて設置してもよい。この場合、図６に示すように、壁Ｗａ２０の外側壁Ｗａ２０１として、その複数の熱電変換装置１が設置される箇所に、外側壁Ｗａ２０１を厚さ方向に貫通する開口部Ｈｏ２が穿設されたものを採用すればよい。そして、壁Ｗａ２０の内側壁Ｗａ２０２として、その開口部Ｈｏ２に対向する部位に、外側壁Ｗａ２０１に近づく方向へ突出した突台部Ｗａ２２１が配設されたものを採用すればよい。 Although the embodiments of the present invention have been described above, the present invention is not limited to the configuration of the above-described embodiments. For example, as shown in FIG. 5, a plurality of (eight in FIG. 5) thermoelectric conversion devices 1 may be installed two-dimensionally side by side on the wall Wa20. In this case, as shown in FIG. 6, as the outer wall Wa201 of the wall Wa20, an opening Ho2 penetrating the outer wall Wa201 in the thickness direction is bored at a place where the plurality of thermoelectric conversion devices 1 are installed. You just have to adopt the one. Then, as the inner side wall Wa202 of the wall Wa20, the one in which the abutment portion Wa221 protruding in the direction approaching the outer wall Wa201 is arranged at the portion facing the opening Ho2 may be adopted.

本構成によれば、複数の熱電変換装置１を電気的に直列に接続することにより、高い出力電圧を得ることができる。 According to this configuration, a high output voltage can be obtained by electrically connecting a plurality of thermoelectric conversion devices 1 in series.

実施の形態では、断熱部材１４が複数の熱電変換装置１それぞれを囲繞するように配置されている熱電変換装置１の例について説明した。但し、これに限らず、例えば図７Ａおよび図７Ｂに示す熱電変換装置３０１のように、断熱部材３０１４が複数（図７Ｂでは１２個）の熱電変換素子１１が配置された１つの領域を囲繞するように配置されているものであってもよい。 In the embodiment, an example of the thermoelectric conversion device 1 in which the heat insulating member 14 is arranged so as to surround each of the plurality of thermoelectric conversion devices 1 has been described. However, the present invention is not limited to this, and for example, as in the thermoelectric conversion device 301 shown in FIGS. 7A and 7B, the heat insulating member 3014 surrounds one region in which a plurality of thermoelectric conversion elements 11 (12 in FIG. 7B) are arranged. It may be arranged so as to.

実施の形態では、外側壁Ｗａ１と内側壁Ｗａ２との間に空隙Ｓ１が形成されている壁Ｗａ１０に熱電変換装置１を設置する例について説明したが、これに限らず、例えば外側壁Ｗａ１と内側壁Ｗａ２とが厚さ方向において互いに隣接している壁（図示せず）に熱電変換装置を設置するものであってもよい。 In the embodiment, an example in which the thermoelectric conversion device 1 is installed on the wall Wa10 in which the gap S1 is formed between the outer wall Wa1 and the inner side wall Wa2 has been described, but the present invention is not limited to this, for example, the outer wall Wa1 and the inner side. The thermoelectric conversion device may be installed on a wall (not shown) adjacent to the wall Wa2 in the thickness direction.

実施の形態では、外側壁Ｗａ１、内側壁Ｗａ２の本体部Ｗａ２２が、コンクリートから形成され、内側壁Ｗａ２の突台部Ｗａ２１が、モルタルから形成されている例について説明した。但し、これに限らず、例えば外側壁Ｗａ１が樹脂、金属等のその他の材料から形成されていてもよいし、内側壁Ｗａ２が樹脂、金属等のその他の材料から形成されていてもよい。 In the embodiment, an example has been described in which the outer wall Wa1 and the main body portion Wa22 of the inner side wall Wa2 are formed of concrete, and the abutment portion Wa21 of the inner side wall Wa2 is formed of mortar. However, the present invention is not limited to this, and for example, the outer wall Wa1 may be formed of other materials such as resin and metal, and the inner side wall Wa2 may be formed of other materials such as resin and metal.

以上、本発明の実施の形態および変形例（なお書きに記載したものを含む。以下、同様。）について説明したが、本発明はこれらに限定されるものではない。本発明は、実施の形態および変形例が適宜組み合わされたもの、それに適宜変更が加えられたものを含む。 Although the embodiments and modifications of the present invention (including those described in the notes; the same shall apply hereinafter) have been described above, the present invention is not limited thereto. The present invention includes a combination of embodiments and modifications as appropriate, and modifications thereof as appropriate.

本出願は、２０１９年１月２３日に出願された日本国特許出願特願２０１９−００８９２７号に基づく。本明細書中に日本国特許出願特願２０１９−００８９２７号の明細書、特許請求の範囲および図面全体を参照として取り込むものとする。 This application is based on Japanese Patent Application No. 2019-008927 filed on January 23, 2019. The specification, claims and the entire drawings of Japanese Patent Application No. 2019-0008927 are incorporated herein by reference.

本発明は、建物の壁に設置される熱電変換装置の設置方法として好適である。 The present invention is suitable as a method for installing a thermoelectric conversion device installed on a wall of a building.

１，３０１：熱電変換装置、１１：熱電変換素子、１２：第１伝熱部材、１３：第２伝熱部材、１４，３０１４：断熱部材、Ｈｏ１，Ｈｏ２：開口部、Ｓ１，Ｓ２：空隙、Ｗａ１０，Ｗａ２０：壁、Ｗａ１，Ｗａ２０１：外側壁、Ｗａ２，Ｗａ２０２：内側壁、Ｗａ２１，Ｗａ２２１：突台部、Ｗａ２２，Ｗａ２２２：本体部 1,301: thermoelectric conversion device, 11: thermoelectric conversion element, 12: first heat transfer member, 13: second heat transfer member, 14,3014: heat insulating member, Ho1, Ho2: opening, S1, S2: void, Wa10, Wa20: wall, Wa1, Wa201: outer wall, Wa2, Wa202: inner side wall, Wa21, Wa2211: abutment part, Wa22, Wa222: main body part

他の観点から見た本発明の一態様に係る熱電変換装置は、
第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材の前記第１造営材に穿設された開口部から少なくとも一部が前記第１造営材における前記第２造営材側とは反対側へ露出した状態で前記建材に設置される熱電変換装置であって、
第１伝熱部材と、
第２伝熱部材と、
前記第１伝熱部材と前記第２伝熱部材との間に配置された少なくとも１つの熱電変換素子と、
前記第１伝熱部材と前記第２伝熱部材との間において、前記少なくとも１つの熱電変換素子を囲繞するように配置された断熱部材と、を備え、
前記第１伝熱部材の熱伝導率は、前記第２伝熱部材の熱伝導率よりも高い。 The thermoelectric conversion device according to one aspect of the present invention from another viewpoint is
An opening formed in the first building material of a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It is a thermoelectric conversion device installed in the building material in a state where at least a part of the part is exposed to the side opposite to the side of the second building material in the first building material.
The first heat transfer member and
The second heat transfer member and
At least one thermoelectric conversion element arranged between the first heat transfer member and the second heat transfer member,
A heat insulating member arranged so as to surround at least one thermoelectric conversion element is provided between the first heat transfer member and the second heat transfer member .
The thermal conductivity of the first heat transfer member is higher than the thermal conductivity of the second heat transfer member .

他の観点から見た本発明の一態様に係る熱電変換装置は、
第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材の前記第１造営材に穿設された開口部から少なくとも一部が前記第１造営材における前記第２造営材側とは反対側へ露出した状態で前記建材に設置される熱電変換装置であって、
第１伝熱部材と、
第２伝熱部材と、
前記第１伝熱部材と前記第２伝熱部材との間に配置された少なくとも１つの熱電変換素子と、
前記第１伝熱部材と前記第２伝熱部材との間において、前記少なくとも１つの熱電変換素子を囲繞するように配置された断熱部材と、を備え、
前記第１伝熱部材における前記第１造営材に穿設された開口部から前記第２造営材側とは反対側へ露出した部分の放射率は、前記第２伝熱部材の放射率よりも高い。 The thermoelectric conversion device according to one aspect of the present invention from another viewpoint is
An opening formed in the first building material of a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It is a thermoelectric conversion device installed in the building material in a state where at least a part of the part is exposed to the side opposite to the side of the second building material in the first building material.
The first heat transfer member and
The second heat transfer member and
At least one thermoelectric conversion element arranged between the first heat transfer member and the second heat transfer member,
A heat insulating member arranged so as to surround at least one thermoelectric conversion element is provided between the first heat transfer member and the second heat transfer member.
The emissivity of the portion of the first heat transfer member exposed from the opening formed in the first construction material to the side opposite to the second construction material side is higher than the emissivity of the second heat transfer member. not high.

Claims (6)

第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材に熱電変換装置を設置する熱電変換装置の設置方法であって、
前記熱電変換装置は、第１部位と前記第１部位とは異なる第２部位とを有し、
前記第１造営材に穿設された開口部から前記第１部位が前記第１造営材における前記第２造営材側とは反対側へ露出し且つ前記第２部位が前記第２造営材に熱的に結合した状態で前記熱電変換装置を前記建材に設置する、
熱電変換装置の設置方法。Installation of a thermoelectric conversion device for installing a thermoelectric conversion device on a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It ’s a method,
The thermoelectric conversion device has a first portion and a second portion different from the first portion.
The first part is exposed to the side of the first building material opposite to the side of the second building material from the opening formed in the first building material, and the second part heats the second building material. The thermoelectric conversion device is installed on the building material in a state of being specifically coupled.
How to install the thermoelectric converter. 前記第１造営材と前記第２造営材との間の少なくとも一部の領域に空隙が形成されている、
請求項１に記載の熱電変換装置の設置方法。A gap is formed in at least a part of the region between the first construction material and the second construction material.
The method for installing the thermoelectric conversion device according to claim 1. 前記熱電変換装置の少なくとも一部と前記第１造営材との間に、前記第１造営材から前記第２部位への熱の伝達を遮蔽する断熱部が介在している、
請求項１または請求項２に記載の熱電変換装置の設置方法。A heat insulating portion that shields heat transfer from the first building material to the second part is interposed between at least a part of the thermoelectric conversion device and the first building material.
The method for installing the thermoelectric conversion device according to claim 1 or 2. 第１造営材と、前記第１造営材の厚さ方向において前記第１造営材と隣り合うように配置された第２造営材と、を有する建材の前記第１造営材に穿設された開口部から少なくとも一部が前記第１造営材における前記第２造営材側とは反対側へ露出した状態で前記建材に設置される熱電変換装置であって、
第１伝熱部材と、
第２伝熱部材と、
前記第１伝熱部材と前記第２伝熱部材との間に配置された少なくとも１つの熱電変換素子と、
前記第１伝熱部材と前記第２伝熱部材との間において、前記少なくとも１つの熱電変換素子を囲繞するように配置された断熱部材と、を備える、
熱電変換装置。An opening formed in the first building material of a building material having a first building material and a second building material arranged adjacent to the first building material in the thickness direction of the first building material. It is a thermoelectric conversion device installed in the building material in a state where at least a part of the part is exposed to the side opposite to the side of the second building material in the first building material.
The first heat transfer member and
The second heat transfer member and
At least one thermoelectric conversion element arranged between the first heat transfer member and the second heat transfer member,
A heat insulating member arranged so as to surround at least one thermoelectric conversion element is provided between the first heat transfer member and the second heat transfer member.
Thermoelectric converter. 前記第１伝熱部材の熱伝導率は、前記第２伝熱部材の熱伝導率よりも高い、
請求項４に記載の熱電変換装置。The thermal conductivity of the first heat transfer member is higher than the thermal conductivity of the second heat transfer member.
The thermoelectric conversion device according to claim 4. 前記第１伝熱部材における前記第１造営材に穿設された開口部から前記第２造営材側とは反対側へ露出した部分の放射率は、前記第２伝熱部材の放射率よりも高い、
請求項４または請求項５に記載の熱電変換装置。The emissivity of the portion of the first heat transfer member exposed from the opening formed in the first construction material to the side opposite to the second construction material side is higher than the emissivity of the second heat transfer member. high,
The thermoelectric conversion device according to claim 4 or 5.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0560426A (en) * 1991-09-03 1993-03-09 Takenaka Komuten Co Ltd Thermoelectric device
JPH1137493A (en) * 1997-07-18 1999-02-12 Eidai Co Ltd Cooling system, heating system and both cooling and heating systems
JP2004204546A (en) * 2002-12-25 2004-07-22 Inax Corp Building and building material
JP2010238822A (en) * 2009-03-30 2010-10-21 Ube Ind Ltd Thermoelectric power generator
JP2011035250A (en) * 2009-08-04 2011-02-17 Swcc Showa Cable Systems Co Ltd Electrothermal conversion power generator
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