WO2013080719A1 - 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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- WO2013080719A1 WO2013080719A1 PCT/JP2012/077648 JP2012077648W WO2013080719A1 WO 2013080719 A1 WO2013080719 A1 WO 2013080719A1 JP 2012077648 W JP2012077648 W JP 2012077648W WO 2013080719 A1 WO2013080719 A1 WO 2013080719A1
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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
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/81—Structural details of the junction
- H10N10/813—Structural details of the junction the junction being separable, e.g. using a spring
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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
- 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
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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
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/85—Thermoelectric active materials
- H10N10/851—Thermoelectric active materials comprising inorganic compositions
- H10N10/852—Thermoelectric active materials comprising inorganic compositions comprising tellurium, selenium or sulfur
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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
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/85—Thermoelectric active materials
- H10N10/851—Thermoelectric active materials comprising inorganic compositions
- H10N10/855—Thermoelectric active materials comprising inorganic compositions comprising compounds containing boron, carbon, oxygen or nitrogen
Definitions
- the present invention relates to a thermoelectric conversion module that performs power generation using the Seebeck effect or performs cooling and heating using the Peltier effect.
- thermoelectric conversion module in which a plurality of thermoelectric conversion elements each having a first electrode at one end and a second electrode at the other end are arranged between a pair of opposing substrates (for example, see Japanese Patent Application Laid-Open No. 2009-176919).
- Japanese Patent Application Laid-Open No. 2009-176919 has a connection portion that integrally connects a first electrode of a thermoelectric conversion element and a second electrode of an adjacent thermoelectric conversion element, thereby forming a U-shape.
- the connector is configured. This connector is formed by bending a metal plate.
- thermoelectric conversion module has a problem that it is difficult to assemble and mass productivity is low because it is necessary to push the thermoelectric conversion element into the U-shaped connector.
- an object of the present invention is to provide a thermoelectric conversion module with improved mass productivity.
- thermoelectric conversion module comprising: a connecting portion electrically connected to the second electrode; wherein the connecting portion is separate from at least one of the first electrode and the second electrode.
- thermoelectric conversion element since the connecting portion is a separate body, one end of the thermoelectric conversion element is electrically connected to one of the first electrode and the second electrode, and then either the first electrode or the second electrode is connected.
- the other can be electrically connected to the other end of the thermoelectric conversion element, and can be connected to an electrode electrically connected to the adjacent thermoelectric conversion element via a connecting portion.
- all components can be installed and assembled from the same direction. Therefore, according to the thermoelectric conversion module of the present invention, it is possible to improve the mass productivity.
- the first electrode and the second electrode are connected to the thermoelectric conversion element, an element arrangement part, and a protruding piece part protruding from the element arrangement part along the substrate
- the connecting portion is a rod or plate, and is inserted into a connecting hole provided in the protruding piece of the electrode to be electrically connected to the first electrode and the second electrode.
- the thermoelectric conversion elements With two axes orthogonal to each other as the X axis and the Y axis, the thermoelectric conversion elements constitute a plurality of element rows arranged in the X axis direction on the substrate, and a plurality of the element rows are arranged in the Y axis direction.
- thermoelectric conversion elements of the element array are arranged in a staggered manner, and the L-shaped first electrode or second electrode is arranged on the substrate on the side where the terminals of the element array provided with terminals for taking out electricity are arranged.
- the L-shaped first electrode or second electrode is connected to the X-axis direction side of the element arrangement portion
- the connection hole of the electrode of the element row adjacent to the element row where the L-shaped first electrode or second electrode is arranged is arranged on the Y axis direction side of the element arrangement portion. Can do.
- the connecting portion is rod-shaped or plate-shaped, the rigidity is relatively high, and the first electrode and the second electrode can be easily inserted into the connecting holes. Therefore, the mass productivity of the thermoelectric conversion module can be further improved.
- the L-shaped first electrode or the second electrode is arranged such that the element arrangement portion and the protruding piece portion are positioned in the X-axis direction, and the protruding piece portions are thermoelectric elements arranged in a staggered manner. In order to avoid the conversion element, it is arranged on the Y-axis direction side of the element arrangement portion of the adjacent electrode in the same element row. Further, the electrodes on the same substrate in the element row adjacent to the element row are configured such that the element arrangement portion and the protruding piece portion are located on the Y-axis direction side.
- thermoelectric conversion module the thermoelectric conversion elements arranged in the X-axis direction can be increased, and the exclusive area (element density) of the thermoelectric conversion elements per unit area can be improved as the whole thermoelectric conversion module.
- the element rows are arranged in even columns in the Y-axis direction, and the first electrode and the second electrode arranged on both substrates are arranged on the substrate so as to be symmetric in the Y-axis direction. By doing so, it is preferable to arrange the same on the corresponding substrate.
- the arrangement shape of the first electrode and the second electrode on the substrate can be the same, and the substrate including the first electrode and the substrate including the second electrode can be manufactured in the same manner. it can. Therefore, according to the thermoelectric conversion module of the present invention, mass productivity can be further improved.
- the electrode in the element row adjacent to the element row in which the L-shaped first electrode or the second electrode is arranged is rectangular, and the tip of the protruding piece is It is preferable to cut out at least one of both corners.
- the element placement portion and the projection piece portion can be clearly distinguished from each other by the notched portion of the projection portion of the rectangular electrode, and it is possible to prevent erroneous placement on the substrate in the reverse direction. be able to.
- this reduces the contact area of the thermoelectric conversion element in the element arrangement portion.
- thermoelectric conversion elements constitute a plurality of element rows arranged in the X axis direction on the substrate, A plurality of the element rows are arranged in the Y-axis direction, and the thermoelectric conversion elements are arranged with their positions shifted in the X-axis direction between adjacent element rows, and either the first electrode or the second electrode is In a current path through which a current flows by thermoelectric conversion, an inter-column connection electrode that connects adjacent element columns is formed in an L shape, and the inter-column connection electrode includes an element arrangement portion to which the thermoelectric conversion element is electrically connected; And a projecting piece portion that protrudes along the substrate from the element arrangement portion and is provided with a connection portion. The projecting piece portion is narrower than the element arrangement portion, and the thermoelectric conversion elements of the element row adjacent to the projecting piece portion are shifted.
- thermoelectric conversion element density the exclusive area (element density) of the thermoelectric conversion element per unit area on the substrate.
- the perspective view which shows 1st Embodiment of the thermoelectric conversion module of this invention The perspective view which decomposes
- Explanatory drawing which shows the electrode arrange
- the perspective view which shows 4th Embodiment of the thermoelectric conversion module of this invention.
- Explanatory drawing which shows arrangement
- Explanatory drawing which shows arrangement
- thermoelectric conversion module 1 according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 3.
- the thermoelectric conversion module 1 according to the first embodiment shown in FIG. 1 includes a pair of substrates 11 and 12 having an insulating property formed of aluminum oxide.
- the substrate 12 positioned above is shown as a transparent broken line so that the inside of the thermoelectric conversion module 1 can be easily seen. The same applies to FIGS. 4, 6, and 9 to be described later.
- a plurality of first electrodes 3 and second electrodes 4 made of Ni plates are provided on the opposing surfaces of the substrates 11 and 12, respectively.
- An n-type thermoelectric conversion element 2 made of Mg 2 Si is disposed between the electrodes 3 and 4.
- thermoelectric conversion element As a material of the thermoelectric conversion element, BiTe type, PbTe type, CoSb type are used, all of which are harmful to the human body (including those that are likely to be harmful), It is also expensive.
- Mg 2 Si is harmless to the human body, has a small environmental load, is rich in resources, and is inexpensive.
- Mg 2 Si has a low specific gravity, a very light thermoelectric conversion element 2 can be formed. For this reason, in recent years, Mg 2 Si has attracted attention as a material for thermoelectric conversion elements.
- the substrates 11 and 12 are not limited to aluminum oxide, and may be formed from other materials. Further, the electrodes 3 and 4 are not limited to Ni, and other materials may be used.
- thermoelectric conversion element 2 One end of the thermoelectric conversion element 2 is joined to the first electrode 3, and the other end is joined to the second electrode 4.
- a joining method soldering, brazing, or the like, or adhesion or diffusion bonding using a conductive adhesive such as silver paste can be used, and it is appropriately selected and joined according to the use of the thermoelectric conversion module. .
- brazing When joining by brazing, brazing (solder) may be pasted to both ends of the thermoelectric conversion element 2 in advance.
- the surface of the thermoelectric conversion element 2 is a surface having fine irregularities, it can be made a smooth surface by covering the irregularities on the surface with solder (solder), silver paste, or the like, whereby the thermoelectric conversion element 2 As a result, the bonding state between the electrode 3 and the electrode 4 is improved, and excellent conductivity can be secured.
- the first electrode 3 and the second electrode 4 include element arrangement portions 31 and 41 for arranging the thermoelectric conversion elements 2 and projecting piece portions 32 and 42 protruding from the element arrangement portions 31 and 41 along the substrates 11 and 12. Prepare.
- the projecting piece portions 32 and 42 are provided with connection holes 32a and 42a into which the cylindrical rod-like connection portions 5 are inserted, respectively.
- the connecting portion 5 is inserted into a connecting hole 32 a provided in the first electrode 3 and a connecting hole 42 a provided in another second electrode 4 adjacent to the thermoelectric conversion element 2, and both electrodes 3, 4 are inserted. Are electrically connected.
- the connection part 5 uses Ni similarly to the electrodes 3 and 4, it is not restricted to this, You may use another metal.
- connection holes 32a and 42a are formed in a taper shape to facilitate the insertion of the connection part 5 into the connection holes 32a and 42a.
- the connecting portion 5 is not limited to a cylindrical rod shape, and may be a polygonal column rod shape such as a quadrangular column, or may be configured in a plate shape.
- the taper of the edge part by the side of the insertion of connection holes 32a and 42a does not need to be provided.
- connection portion 5 By configuring the connection portion 5 with a rigid rod or plate, the connection portion 5 can be easily inserted into the connection holes 32a and 42a of the electrodes 3 and 4. Further, the connection portion 5 and the connection holes 32a and 42a may be electrically connected by soldering such as soldering or brazing, and the end portion of the connection portion 5 is knurled so as to be connected. May be press-fitted into the connection holes 32a and 42a.
- thermoelectric conversion elements 2 constitute a plurality of element rows 6 arranged on the substrates 11 and 12 in the X-axis direction.
- a plurality of element rows 6 are arranged in the Y-axis direction.
- the thermoelectric conversion elements 2 are arranged in a staggered manner.
- the L-shaped first electrode 3 or second electrode 4 is disposed on the substrates 11 and 12 on the side where the terminal 7 of the element array 6 provided with the input / output terminal 7 for taking out electricity is disposed.
- the L-shaped first electrode 3 or second electrode 4 is defined as an L-shaped electrode 8.
- the element array 6 in which the L-shaped electrodes 3 and 4 are arranged is referred to as a first element array 61, and the element array 6 adjacent to the first element array 61 is referred to as a second element array 62.
- the electrodes 3 and 4 of the second element array 62 include rectangular (rectangular) electrodes 3 and 4 in which connection holes 32 a and 42 a are arranged in the Y-axis direction of the thermoelectric conversion element 2.
- the rectangular (rectangular) electrodes 3 and 4 are defined as a rectangular electrode 9.
- the terminal 7 is formed in a rectangular shape that protrudes greatly from the element placement portion 7 a to the outside of the substrates 11 and 12.
- oblique cutout portions 32b and 42b are provided at two corners at the tips of the projecting piece portions 32 and 42, respectively.
- the element placement portions 31 and 41 and the projecting piece portions 32 and 42 can be clearly distinguished from each other by the cutout portions 32b and 42b, and erroneous placement on the substrates 11 and 12 can be prevented.
- the notches 32b and 42b are provided at both of the two corners at the tips of the projecting pieces 32 and 42, but the notches of the present invention are not limited thereto.
- the notch may be provided only at one of the two corners at the tip of each projecting piece 32, 42.
- the notches 32b and 42b linear notches are illustrated, but the notches may be formed on a curve.
- thermoelectric conversion element 2 of the element placement portions 31 and 41 reduces the contact area of the thermoelectric conversion element 2 of the element placement portions 31 and 41.
- the rectangular electrodes 9 are mistakenly arranged on the substrates 11 and 12 without reducing the arrangement area of the thermoelectric conversion element 2 by providing the cutout portions 32b and 42b at the corners of the tips of the projecting pieces 32 and 42. Can be prevented.
- the protruding pieces 32 and 42 of the L-shaped electrode 8 of the first element row 61 protrude in the X-axis direction with respect to the element arrangement portions 31 and 41.
- the connecting holes 32a and 42a of the L-shaped electrodes 8 of the first element row 61 are projecting pieces so as to be positioned on the Y-axis direction side of the element arrangement portions 31 and 41 of the adjacent L-shaped electrodes 8 in the same element row 6.
- Adjacent L-shaped electrodes 8 are alternately arranged by being inverted in the Y-axis direction.
- the protruding pieces 32 and 42 of the rectangular electrode 9 of the second element row 62 protrude in the Y-axis direction with respect to the element arrangement portions 31 and 41. Adjacent rectangular electrodes 9 are alternately arranged so as to be reversed in the Y-axis direction.
- the first element array 61 and the second element array 62 are alternately arranged in an even number array in the Y-axis direction, in this embodiment, two arrays.
- the first electrode 3 and the second electrode 4 are arranged on the corresponding substrate in the same manner.
- both substrates 11 and 12 are provided with inter-column connection electrodes 10 so as to connect adjacent element columns 6 in series.
- the inter-column connection electrode 10 is configured in the same shape as the rectangular electrode 9, and is formed slightly longer in the Y-axis direction than the rectangular electrode 9.
- the inter-column connection electrode 10 also has an element placement portion 101, a protruding piece portion 102 that protrudes from the element placement portion 101 toward the L-shaped electrode 8 of the first element row 61 adjacent thereto, And a connecting hole 102a formed in the protruding piece 102.
- the connection hole 102a is provided so as to be located at the center between the element rows 61 and 62.
- substrate 12 located above are comprised the same, and one side is reversed and electrodes 3 and 4 are mutually
- the substrates 11 and 12 and the electrodes 3 and 4 can be formed by arranging them so that they face each other. Therefore, according to the thermoelectric conversion module 1 of 1st Embodiment, mass productivity can be improved compared with a conventional product.
- thermoelectric conversion element 2 of 1st Embodiment showed the square pillar-shaped thing in FIG. 2, it is good not only in this but another shape, for example, a cylindrical shape.
- thermoelectric conversion module 1 of the first embodiment When the substrate 12 of the thermoelectric conversion module 1 is attached to a heat source and the substrate 11 is cooled, a temperature difference occurs at both ends of the thermoelectric conversion element 2, and current flows due to the Seebeck effect to generate power. At this time, in order to continue power generation, it is necessary to maintain a predetermined temperature difference at both ends of the thermoelectric conversion element 2, but in the first embodiment, Mg 2 having a low thermal conductivity as the material of the thermoelectric conversion element 2 is used. Since Si is used, the temperature difference can be maintained satisfactorily.
- thermoelectric conversion module 1 of the first embodiment since the connecting portion 5 is separate from the electrodes 3 and 4, one end of the thermoelectric conversion element 2 is electrically connected to the first electrode 3 fixed to the substrate 11. After that, the second electrode 4 fixed to the substrate 12 is electrically connected to the other end of the thermoelectric conversion element 2, and the first electrode 3 and the second electrode 4 are electrically connected between the adjacent thermoelectric conversion elements 2.
- the connection portion 5 can be connected to the connection holes 32a and 42a of the electrodes 3 and 4 so as to be connected to each other. Therefore, unlike the conventional thermoelectric conversion module, it is not necessary to push the thermoelectric conversion element into the U-shaped connector, and the mass productivity of the thermoelectric conversion module is improved. Further, the plurality of thermoelectric conversion elements 2 and the connection portion 5 may be assembled and joined so as to be sandwiched between the upper and lower substrates 11 and 12 at the same time.
- the thermoelectric conversion element 2 are formed by Mg 2 Si, not limited to this.
- Bi-Te system including Sb-Te system and Bi-Se system
- Pb-Te system including Sn-Te system and Ge-Te system
- Ag-Sb-Te system Ag-Sb-Ge-Te system
- thermoelectric conversion material such as Si-Ge, Fe-Si, Mn-Si, Zn-Sb, chalcogenite, skutterudite, filled skutterudite, boron carbide, layered cobalt oxide, etc. Can do.
- the thermoelectric conversion element 2 is not limited to the n-type, and a p-type may be used.
- Mg 2 Si does not have to be highly pure, and may be obtained by using, for example, waste silicone sludge discharged during grinding / polishing.
- a bonding layer may be provided at both ends of the thermoelectric conversion element 2 in order to reduce the contact resistance with the electrode.
- the bonding layer can also be formed integrally with the thermoelectric conversion element.
- the bonding layer and the electrode can be made of any material such as Ni, Al, Cu, W, Au, Ag, Co, Mo, Cr, Ti, Pd, and an alloy made of these.
- thermoelectric conversion module 1 for power generation using the Seebeck effect has been described.
- thermoelectric conversion module of the present invention can be similarly used for one that is cooled or heated using the Peltier effect. .
- thermoelectric conversion module 1 of 2nd Embodiment is demonstrated.
- the substrate 12 positioned above is shown as a transparent broken line so that the inside of the thermoelectric conversion module 1 can be easily seen.
- thermoelectric conversion module 1 of the second embodiment four thermoelectric conversion elements 2 arranged in the X-axis direction of one element row 6 are reduced by one, and four element rows 6 are arranged in the Y-axis direction. is there.
- the two element rows 6 located in the center are electrically connected by an L-shaped inter-column connection electrode 10.
- Other configurations are the same as those of the first embodiment.
- thermoelectric conversion module of the first embodiment can be used as one constituent unit, and any number of rows can be arranged as long as the element rows 6 are even rows in the Y-axis direction. Also, any number of thermoelectric conversion elements in the element array 6 can be configured in the X-axis direction.
- thermoelectric conversion module 1 Since, it is relatively easy to change the size of the thermoelectric conversion module 1.
- thermoelectric conversion module 1 according to the third embodiment of the present invention will be described with reference to FIGS.
- substrate 12 located upward is shown with the broken line so that it may be easy to see the inside of the thermoelectric conversion module 1.
- FIG. 6 the board
- thermoelectric conversion elements 2 of the thermoelectric conversion module 1 of the third embodiment are arranged with their positions shifted in the X-axis direction between adjacent element rows 6.
- the first electrodes 3 arranged on the lower substrate 11 are all formed in the same shape of a rectangular shape (rectangular shape).
- All the connection holes 32 a of the first electrode 3 are arranged in the X-axis direction of the element arrangement portion 31.
- the adjacent element rows 6 are configured such that the arrangement of the element arrangement portion 31 and the connection hole 32a is reversed in the X-axis direction.
- the second electrodes 4 are all formed in a rectangular shape (rectangular shape).
- the inter-column connection electrodes 10 that connect the adjacent element rows 6 are formed in an L shape.
- the inter-column connection electrode 10 includes an element arrangement portion 101 to which the thermoelectric conversion elements 2 are electrically connected and a protruding piece portion 102 in which a connection hole 102a is provided.
- the projecting piece portion 102 is narrower in the X-axis direction than the element arranging portion 101, and is arranged in a space that is free when the thermoelectric conversion elements 2 of the element array 6 adjacent to the projecting piece portion 102 are displaced.
- thermoelectric conversion module 1 of the third embodiment since the connecting portion 5 is separate from the electrodes 3 and 4, there is no need to push the thermoelectric conversion element into the U-shaped connector from the side as in the prior art. Can be improved.
- the gap between the element rows 6 can be reduced. Therefore, the exclusive area (element density) of the thermoelectric conversion element 2 per unit area of the substrates 11 and 12 can be improved.
- thermoelectric conversion module 1 of 4th Embodiment is demonstrated.
- substrate 12 located upwards is shown with the broken line so that it may be easy to see the inside of the thermoelectric conversion module 1.
- FIG. 9 the board
- the inter-column connection electrode 10 of the third embodiment is configured in the same shape as the first electrode 3, and a pair of substrates 11, 12 and electrodes 3, 4 arranged on this are arranged. Are formed in the same shape in both the upper and lower sides. Since both the substrates 11 and 12 and the electrodes 3 and 4 disposed on the substrates have the same shape, they are excellent in mass productivity as in the first and second embodiments.
- thermoelectric conversion element 2 per unit area is more than that in the third embodiment. Is also inferior.
- thermoelectric conversion module 1 of 5th Embodiment shows the substrates 11 and 12 and the electrodes 3 and 4 arranged on the substrates 11 and 12 of the thermoelectric conversion module 1 of the fifth embodiment.
- the rectangular electrode 9 and the inter-column connection electrode 10 of the first embodiment are also L-shaped electrodes, and other configurations are the same as those of the first embodiment. .
- thermoelectric conversion module 1 of the fifth embodiment all the electrodes 3 and 4 except for the terminal 7 and the inter-column connection electrode 10 can have the same shape, which may further increase the mass productivity.
- SYMBOLS 1 ... Thermoelectric conversion module, 11, 12 ... Board
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Abstract
Description
図1から図3を参照して、本発明の第1実施形態の熱電変換モジュールを説明する。図1に示す第1実施形態の熱電変換モジュール1は、酸化アルミニウムで成形された絶縁性を有する一対の基板11,12を備える。図1及び図2では、熱電変換モジュール1の内部を見易くすべく、上方に位置する基板12を透明として破線で示している。後述する図4、図6、図9についても同様である。
次に、図4及び図5を参照して、第2実施形態の熱電変換モジュール1を説明する。尚、図4では、熱電変換モジュール1の内部を見易くすべく、上方に位置する基板12を透明として破線で示している。
次に、図6から図8を参照して、本発明の第3実施形態の熱電変換モジュール1を説明する。尚、図6では、熱電変換モジュール1の内部を見易くすべく、上方に位置する基板12を透明として破線で示している。
次に、図9及び図10を参照して、第4実施形態の熱電変換モジュール1を説明する。尚、図9では、熱電変換モジュール1の内部を見易くすべく、上方に位置する基板12を透明として破線で示している。
次に、図11を参照して、第5実施形態の熱電変換モジュール1を説明する。図11は、第5実施形態の熱電変換モジュール1の基板11,12及びこれに配置される電極3,4を示したものである。第5実施形態の熱電変換モジュール1は、第1実施形態の矩形電極9及び列間接続電極10もL字状の電極としたものであり、他の構成は、第1実施形態と同様である。
Claims (6)
- 一対の基板と、
一方の端部が前記基板の一方に配置される第1電極と電気的に接続され、他方の端部が前記基板の他方に配置される第2電極と電気的に接続される複数の熱電変換素子と、
前記熱電変換素子に電気的に接続される前記第1電極を、隣接する前記熱電変換素子に電気的に接続される第2電極に、電気的に接続する接続部と、
を備える熱電変換モジュールにおいて、
前記接続部は、前記第1電極及び前記第2電極の少なくとも何れか一方と別体であることを特徴とする熱電変換モジュール。 - 請求項1記載の熱電変換モジュールにおいて、
前記第1電極及び前記第2電極は、前記熱電変換素子と電気的に接続される素子配置部と、該素子配置部から前記基板に沿って突出する突片部とを備え、
前記接続部は、棒状又は板状であり、前記突片部に設けられた接続穴に挿入して前記第1電極及び前記第2電極と電気的に接続され、
前記基板に沿うと共に互いに直交する2つの軸線をX軸及びY軸として、
前記熱電変換素子は、前記基板上に前記X軸方向に複数並べられた素子列を構成し、
該素子列は、Y軸方向に複数並べられ、
前記素子列の前記熱電変換素子は、千鳥状に配置され、
電気を取り出す端子が設けられた前記素子列の該端子が配置される側の基板には、L字状の第1電極又は第2電極が配置され、
該L字状の第1電極又は第2電極は、前記素子配置部のX軸方向側に前記接続穴が配置され、
前記L字状の第1電極又は第2電極が配置された前記素子列に隣接する素子列の電極の接続穴は、前記素子配置部のY軸方向側に配置されることを特徴とする熱電変換モジュール。 - 請求項2記載の熱電変換モジュールにおいて、
前記素子列は、前記Y軸方向に偶数列並べられ、
前記両基板に配置される前記第1電極及び前記第2電極は、前記Y軸方向に対称となるように前記基板上に配置されることにより、対応する基板に同一に配置されることを特徴とする熱電変換モジュール。 - 請求項3記載の熱電変換モジュールにおいて、
前記L字状の第1電極又は第2電極が配置された前記素子列に隣接する素子列の電極は、矩形状であり、前記突片部の先端の2つの角部のうち少なくとも一方が切り欠かれていることを特徴とする熱電変換モジュール。 - 請求項2記載の熱電変換モジュールにおいて、
前記L字状の第1電極又は第2電極が配置された前記素子列に隣接する素子列の電極は、矩形状であり、前記突片部の先端の2つの角部のうち少なくとも一方が切り欠かれていることを特徴とする熱電変換モジュール。 - 請求項1記載の熱電変換モジュールにおいて、
前記基板に沿うと共に互いに直交する2つの軸線をX軸及びY軸として、
前記熱電変換素子は、前記基板上に前記X軸方向に複数並べられた素子列を構成し、
該素子列は、Y軸方向に複数並べられ、
前記熱電変換素子は、隣接する前記素子列の間でX軸方向に位置をずらして配置され、
前記第1電極又は前記第2電極の何れか一方は、熱電変換による電流の流れる電流経路において、隣接する前記素子列を接続する列間接続電極がL字状に形成され、
該列間接続電極は、前記熱電変換素子が電気的に接続される素子配置部と、該素子配置部から前記基板に沿って突出し、前記接続部が設けられる突片部とを備え、
該突片部は、前記素子配置部よりも幅が狭く、該突片部と隣接する列の熱電変換素子がずれることによって空いたスペースに配置されることを特徴とする熱電変換モジュール。
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CN201280058574.3A CN103959495B (zh) | 2011-11-30 | 2012-10-25 | 热电转化模块 |
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CN103959495A (zh) | 2014-07-30 |
KR101815232B1 (ko) | 2018-01-05 |
US9087962B2 (en) | 2015-07-21 |
US20140338716A1 (en) | 2014-11-20 |
JP5913935B2 (ja) | 2016-05-11 |
JP2013115359A (ja) | 2013-06-10 |
EP2787545B1 (en) | 2016-06-22 |
CN103959495B (zh) | 2016-09-14 |
EP2787545A1 (en) | 2014-10-08 |
EP2787545A4 (en) | 2015-09-30 |
KR20150031216A (ko) | 2015-03-23 |
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