WO2015111629A1 - 熱電変換モジュール - Google Patents
熱電変換モジュール Download PDFInfo
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- WO2015111629A1 WO2015111629A1 PCT/JP2015/051564 JP2015051564W WO2015111629A1 WO 2015111629 A1 WO2015111629 A1 WO 2015111629A1 JP 2015051564 W JP2015051564 W JP 2015051564W WO 2015111629 A1 WO2015111629 A1 WO 2015111629A1
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- thermoelectric conversion
- conversion module
- insulating film
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N19/00—Integrated devices, or assemblies of multiple devices, comprising at least one thermoelectric or thermomagnetic element covered by groups H10N10/00 - H10N15/00
- H10N19/101—Multiple thermocouples connected in a cascade arrangement
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10N10/17—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 structure or configuration of the cell or thermocouple forming the device
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
Definitions
- the present invention relates to a thermoelectric conversion module that performs thermoelectric power generation by the Seebeck effect.
- thermoelectric conversion module is a module composed of thermoelectric conversion elements that can convert thermal energy into electrical energy by the Seebeck effect. By using such energy conversion properties, waste heat exhausted from industrial and consumer processes and mobile objects can be converted into effective power, so the thermoelectric conversion is an energy-saving technology that takes environmental issues into consideration. A module and a thermoelectric conversion element constituting the module are attracting attention.
- thermoelectric conversion module is generally configured by joining a plurality of thermoelectric conversion elements (p-type semiconductor and n-type semiconductor) with electrodes.
- a thermoelectric conversion module is disclosed in Patent Document 1, for example.
- the thermoelectric conversion module disclosed in Patent Literature 1 is electrically connected to a pair of substrates, one end of which is disposed on one of the substrates, and the other end of the other of the substrates.
- a plurality of thermoelectric conversion elements electrically connected to the second electrode disposed on the first electrode and the first electrode electrically connected to the thermoelectric conversion element are electrically connected to the adjacent thermoelectric conversion elements;
- a connection portion for electrically connecting the two electrodes is provided.
- thermoelectric conversion modules With the recent expansion of usage of thermoelectric conversion modules and the miniaturization of various devices used, higher performance, miniaturization, and improved flexibility in installation location are required for thermoelectric conversion modules. However, it has been difficult for the thermoelectric conversion module having the conventional structure to sufficiently satisfy these requirements.
- the present invention has been made in view of such problems, and an object of the present invention is to provide a thermoelectric conversion module capable of achieving downsizing and improving the degree of freedom of installation location while achieving high performance. There is to do.
- thermoelectric conversion module of the present invention has a porous insulating film having insulating properties, and a thin-film thermoelectric conversion element formed on the first surface of the insulating film,
- the first surface includes a surface inclined with respect to a second surface located on the opposite side of the first surface, and the insulating film has a shorter distance between the first surface and the second surface. It is characterized by a high density.
- thermoelectric conversion module According to the thermoelectric conversion module according to the present invention, it is possible to reduce the size and improve the degree of freedom of the installation place while achieving high performance.
- thermoelectric conversion module which concerns on an Example. It is sectional drawing in the manufacturing process of the thermoelectric conversion module which concerns on an Example. It is sectional drawing in the manufacturing process of the thermoelectric conversion module which concerns on an Example. It is sectional drawing in the manufacturing process of the thermoelectric conversion module which concerns on an Example. It is sectional drawing which shows the use condition of the thermoelectric conversion module which concerns on an Example. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on a modification. It is sectional drawing of the thermoelectric conversion module which concerns on
- thermoelectric conversion module according to the present invention
- this invention is not limited to the content demonstrated below, In the range which does not change the summary, it can change arbitrarily and can implement.
- drawings used for the description of the embodiment and the modification schematically show the thermoelectric conversion module or its constituent members according to the present invention, and are partially emphasized, enlarged, reduced, or deepened for better understanding. Omission etc. are performed, and there is a case where it does not accurately represent the scale or shape of each component.
- various numerical values used in the embodiments and the modifications are only examples, and can be variously changed as necessary.
- thermoelectric conversion module Method for manufacturing thermoelectric conversion module
- FIGS. 1 to 4 are cross-sectional views in the manufacturing process of the thermoelectric conversion module according to the present embodiment.
- an insulating film 1 which is a flat film member (foam) having insulating properties and porous properties is prepared.
- a polymer film such as polyester, polystyrene, polycarbonate, aramid, polyimide, or polyurethane, or a film made of ceramic can be used.
- the film thickness of the insulating film 1 can be appropriately selected from, for example, about 20 ⁇ m, about 50 ⁇ m, about 180 ⁇ m, or more.
- the cylindrical film 2 is pressed against the insulating film 1 while being rotated to compress the entire insulating film 1. More specifically, the roller 2 is inclined and pressed against the surface of the insulating film 1 so that the amount of compression gradually decreases from the first end 1a to the second end 2b of the insulating film 1. To do.
- the cross section of the insulating film 1 becomes a triangular shape as shown in FIG. That is, the 1st surface 1c of the insulating film 1 inclines at a fixed angle with respect to the 2nd surface 1d located on the opposite side to the 1st surface 1c.
- the distance between the first surface 1c and the second surface 1d is gradually increased from the first end 1a toward the second end 1b.
- the density increases as the amount of compression increases, the density increases as the distance between the first surface 1c and the second surface 1d decreases. That is, the density increases from the second end 1b toward the first end 1a.
- thermoelectric conversion element 3 is formed on the first surface of the insulating film 1 using a general plating technique or a vacuum deposition technique.
- the thermoelectric conversion element 3 includes a plurality of P-type semiconductors (thermoelectric conversion materials) and a plurality of N-type semiconductors (thermoelectric conversion materials) arranged alternately in parallel.
- One end of the P-type semiconductor and the N-type semiconductor is located on the first end 1 a side of the insulating film 1, and the other end is located on the second end 1 b side of the insulating film 1.
- the end portions of the P-type semiconductor and the N-type semiconductor are electrically connected by electrodes (not shown) so that the P-type semiconductor and the N-type semiconductor are connected in series or in parallel.
- thermoelectric conversion module 10 is completed.
- FIG. 5 is sectional drawing which shows the use condition of the thermoelectric conversion module 10 which concerns on a present Example.
- the thermoelectric conversion module 10 is arranged so that the second surface 1 d is close to the heat source 11. That is, the thermoelectric conversion module 10 is supplied with heat from the second surface 1d side.
- the density of the insulating film 1 of the thermoelectric conversion module 10 varies depending on the thickness, and the higher the density, the higher the thermal conductivity. That is, in the insulating film 1, the thermal conductivity gradually decreases from the first end 1a toward the second end 1b. Therefore, the heat of the heat source 11 easily reaches the thermoelectric conversion element 3 on the first end 1a side, and the heat of the heat source 11 does not easily reach the thermoelectric conversion element 3 on the second end 1b side. .
- thermoelectric conversion element 3 the one end part located in the 1st end part 1a side of the insulating film 1 becomes high temperature, and the other end part located in the 2nd end part 1b side of the insulating film 1 becomes low temperature, and this takes An electromotive force is generated due to the temperature difference.
- thermoelectric conversion element 3 of the thermoelectric conversion module 10 since the temperature difference in the thermoelectric conversion element 3 of the thermoelectric conversion module 10 according to the present embodiment is caused by the structure of the insulating film 1, the temperature difference in the thermoelectric conversion element 3 is unlikely to vary and is stable. Thermoelectric power generation can be performed. That is, the performance of the thermoelectric conversion module 10 can be improved and high reliability can be realized.
- thermoelectric conversion element 3 is formed on the insulating film 1 that is an insulator, good insulating characteristics can be ensured in the portion to be insulated of the thermoelectric conversion module 10. Furthermore, since the main surface is not in contact with the end portion of the thermoelectric conversion element 3 and is in contact with the first surface 1c of the insulating film 1, the bonding area between the thermoelectric conversion element 3 and the insulating film 1 is increased, and the thermoelectric conversion element 3 And excellent bonding characteristics between the insulating film 1 and the bonding strength of the thermoelectric conversion module 10 itself can be improved.
- thermoelectric conversion module 10 even if the dimensional variation of the N-type semiconductor and the P-type semiconductor constituting the thermoelectric conversion element 3 occurs, there is no bonding failure between the thermoelectric conversion element 3 and the insulating film 1. The reliability of the thermoelectric conversion module 10 can be improved.
- thermoelectric conversion module 10 which concerns on a present Example is equipped with the comparatively simple structure that the thermoelectric conversion element 3 is formed on the insulating film 1, reduction of manufacturing cost and manufacturing time is easy. Can be planned.
- thermoelectric conversion module 10 according to the present embodiment is formed in a film shape and is flexible and downsized, it can be easily installed in various places.
- thermoelectric conversion module 10 can reduce the size and improve the degree of freedom of installation location while achieving high performance.
- the flat film member is compressed so that the cross section of the insulating film 1 is a triangle, but the shape after the compression is not limited to a triangle.
- the first surface of the insulating film 1 may be curved. More specifically, as shown in FIG. 6, the first surface 1c may be curved so as to protrude outward, and as shown in FIG. 7, the first surface 1c protrudes inward. It may be curved like this. In any case, since the thermoelectric conversion element 3 is formed in a thin film shape, it is formed along the shape of the first surface 1c.
- the flat film member may be compressed so that the insulating film 1 has a bowl-shaped recess 15 on the first surface 1c side.
- You may compress a flat film member so that the convex part 16 may be provided in the 1 surface 1c side.
- the thermoelectric conversion module 10 as shown in FIG. 8 or FIG. 9, the shortest part of the distance between the first surface 1c and the second surface 1d is on the high temperature side, and the longest part of the distance is on the low temperature side.
- the longest part of the distance between the first surface 1c and the second surface 1d may be on the high temperature side, and the shortest part of the distance may be on the low temperature side.
- thermoelectric conversion module 10 can provide the same effects as those of the thermoelectric conversion module 10 according to the embodiment described above. Moreover, according to the state of the installation place of the thermoelectric conversion module 10, the shape of the insulating film 1 can be changed and the thermoelectric conversion module 10 of the optimal shape for the said installation place can be provided.
- Example 1 although the insulating film 1 was arrange
- the insulating film 21 has the same structure and characteristics as the insulating film 1.
- thermoelectric conversion module 10 ′ having such a structure, even better insulation characteristics can be ensured as compared to the thermoelectric conversion module 10 according to Example 1 described above. Further, when the heat source 11 is brought close to the second surface 1d side of the insulating film 1 of the thermoelectric conversion module 10 ′, the first end 1a becomes the high temperature side and the second end 1b becomes the same as in the above-described embodiment. It becomes the low temperature side.
- the second end 21b of the insulating film 21 (the end having a long distance between the first surface 21c and the second surface 21d) is disposed so as to face the first end 1a, the thermoelectric The heat transferred to the conversion element 3 is not easily transferred to the second surface 21d.
- thermoelectric conversion element 3 located between the 1st end part 1a and the 2nd end part 21b can maintain a high temperature state favorably.
- first end 21a of the insulating film 21 the end where the distance between the first surface 21c and the second surface 21d is short
- thermoelectric conversion is performed.
- the heat transferred to the element 3 is easily transferred to the second surface 21d.
- the other end of the thermoelectric conversion element 3 positioned between the second end portion 1b and the first end portion 21a can maintain a low temperature state well. That is, in the thermoelectric conversion module 10 ′ according to this modification, the temperature difference between both ends of the thermoelectric conversion element 3 can be easily increased and the temperature difference can be kept good. Can be provided.
- thermoelectric conversion efficiency of the module 10 ′ can be further improved.
- thermoelectric conversion module includes a porous insulating film having insulating properties, and a thin-film thermoelectric conversion element formed on a first surface of the insulating film,
- the first surface includes a surface that is inclined with respect to the second surface located on the opposite side of the first surface, and the insulating film has a lower density as the distance between the first surface and the second surface is shorter. large.
- thermoelectric conversion module according to the second embodiment of the present invention is formed by compressing a flat film member with the insulating film in the thermoelectric conversion module according to the first embodiment.
- thermoelectric conversion module according to the third embodiment of the present invention is the thermoelectric conversion module according to the first or second embodiment, wherein the first surface is inclined at a constant angle with respect to the second surface.
- thermoelectric conversion module according to the fourth embodiment of the present invention is the thermoelectric conversion module according to the first or second embodiment, wherein the first surface is curved.
- thermoelectric conversion module according to the fifth embodiment of the present invention is the thermoelectric conversion module according to the first or second embodiment, wherein the insulating film includes a bowl-shaped recess on the first surface side.
- thermoelectric conversion module according to the sixth embodiment of the present invention is the thermoelectric conversion module according to the first or second embodiment, wherein the thermoelectric conversion element is sandwiched between the two insulating films having the same shape.
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Abstract
Description
(熱電変換モジュールの製造方法)
以下において、図1及び図4を参照しつつ、本実施例に係る熱電変換モジュールの製造方法について説明する。ここで、図1乃至4は本実施例に係る熱電変換モジュールの製造工程における断面図である。
次に、図5を参照しつつ、本実施例に係る熱電変換モジュール10の使用態様について説明する。ここで、図5は、本実施例に係る熱電変換モジュール10の使用状態を示す断面図である。
上述した実施例においては、熱電変換素子3の形成面とは反対側に位置する第2表面1d側に熱源11を設置する構成を想定したが、熱源11を第1表面1c側に設置してもよい。このような場合には、第2表面1d側に冷却装置を配置し、第1表面1cと第2表面1dとの距離が長い部分に比して短い部分を効率よく冷却し、第1端部1aから第2端部1bに向かうにつれて温度が上昇するようにしてもよい。
本発明の第1実施態様に係る熱電変換モジュールは、絶縁性を備える多孔質の絶縁フィルムと、前記絶縁フィルムの第1表面に形成された薄膜状の熱電変換素子と、を有し、前記第1表面は、前記第1表面とは反対側に位置する第2表面に対して傾斜した面を含み、前記絶縁フィルムは、前記第1表面と前記第2表面との距離が短い部分ほど密度が大きい。
1a、21a 第1端部
1b、21b 第2端部
1c、21c 第1表面
1d、21d 第2表面
2 ローラ
3 熱電変換素子
10、10’ 熱電変換モジュール
11 熱源
15 凹部
16 凸部
Claims (6)
- 絶縁性を備える多孔質の絶縁フィルムと、
前記絶縁フィルムの第1表面に形成された薄膜状の熱電変換素子と、を有し、
前記第1表面は、前記第1表面とは反対側に位置する第2表面に対して傾斜した面を含み、
前記絶縁フィルムは、前記第1表面と前記第2表面との距離が短い部分ほど密度が大きいことを特徴とする熱電変換モジュール。 - 前記絶縁フィルムは、平坦なフィルム部材を圧縮することにより形成されることを特徴とする請求項1に記載の熱電変換モジュール。
- 前記第1表面は、前記第2表面に対して一定の角度にて傾斜していることを特徴とする請求項1又は2に記載の熱電変換モジュール。
- 前記第1表面は、湾曲していることを特徴とする請求項1又は2に記載の熱電変換モジュール。
- 前記絶縁フィルムは、前記第1表面側に樋状の凹部を備えることを特徴とする請求項1又は2に記載の熱電変換モジュール。
- 前記熱電変換素子は、形状が同一である2つの前記絶縁フィルムによって挟持されていることを特徴とする請求項1又は2に記載の熱電変換モジュール。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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EP15740100.1A EP3098863B1 (en) | 2014-01-22 | 2015-01-21 | Thermoelectric conversion module |
CN201580005287.XA CN106165135B (zh) | 2014-01-22 | 2015-01-21 | 热电转换模块 |
US15/111,168 US9887340B2 (en) | 2014-01-22 | 2015-01-21 | Thermoelectric conversion module |
KR1020167021927A KR101845360B1 (ko) | 2014-01-22 | 2015-01-21 | 열전 변환 모듈 |
CA2936500A CA2936500C (en) | 2014-01-22 | 2015-01-21 | Thermoelectric conversion module |
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JP2014009464A JP6134658B2 (ja) | 2014-01-22 | 2014-01-22 | 熱電変換モジュール |
JP2014-009464 | 2014-01-22 |
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WO2015111629A1 true WO2015111629A1 (ja) | 2015-07-30 |
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PCT/JP2015/051564 WO2015111629A1 (ja) | 2014-01-22 | 2015-01-21 | 熱電変換モジュール |
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US (1) | US9887340B2 (ja) |
EP (1) | EP3098863B1 (ja) |
JP (1) | JP6134658B2 (ja) |
KR (1) | KR101845360B1 (ja) |
CN (1) | CN106165135B (ja) |
CA (1) | CA2936500C (ja) |
WO (1) | WO2015111629A1 (ja) |
Cited By (1)
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WO2017130751A1 (ja) * | 2016-01-25 | 2017-08-03 | ポリマテック・ジャパン株式会社 | 熱電変換素子及び熱電変換素子の取付構造 |
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CN114136501A (zh) * | 2021-11-26 | 2022-03-04 | 山东大学 | 一种薄膜型热流传感器结构及其金属电极制备方法 |
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- 2014-01-22 JP JP2014009464A patent/JP6134658B2/ja active Active
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2015
- 2015-01-21 WO PCT/JP2015/051564 patent/WO2015111629A1/ja active Application Filing
- 2015-01-21 KR KR1020167021927A patent/KR101845360B1/ko active IP Right Grant
- 2015-01-21 CN CN201580005287.XA patent/CN106165135B/zh active Active
- 2015-01-21 US US15/111,168 patent/US9887340B2/en active Active
- 2015-01-21 EP EP15740100.1A patent/EP3098863B1/en active Active
- 2015-01-21 CA CA2936500A patent/CA2936500C/en active Active
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JPH098363A (ja) * | 1995-06-26 | 1997-01-10 | Kubota Corp | 熱電変換素子及び熱電変換素子モジュール |
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JP2012114290A (ja) * | 2010-11-25 | 2012-06-14 | Fujitsu Ltd | 熱電変換モジュールおよび熱電変換モジュールの製造方法 |
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Cited By (2)
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WO2017130751A1 (ja) * | 2016-01-25 | 2017-08-03 | ポリマテック・ジャパン株式会社 | 熱電変換素子及び熱電変換素子の取付構造 |
US20190019934A1 (en) * | 2016-01-25 | 2019-01-17 | Sekisui Polymatech Co., Ltd. | Thermoelectric conversion element and attachment structure of thermoelectric conversion element |
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Publication number | Publication date |
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JP6134658B2 (ja) | 2017-05-24 |
JP2015138878A (ja) | 2015-07-30 |
CN106165135B (zh) | 2018-09-25 |
KR101845360B1 (ko) | 2018-04-04 |
EP3098863B1 (en) | 2018-07-11 |
US9887340B2 (en) | 2018-02-06 |
CN106165135A (zh) | 2016-11-23 |
KR20160107297A (ko) | 2016-09-13 |
EP3098863A1 (en) | 2016-11-30 |
EP3098863A4 (en) | 2017-08-23 |
CA2936500C (en) | 2018-07-10 |
US20160329479A1 (en) | 2016-11-10 |
CA2936500A1 (en) | 2015-07-30 |
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