WO2005117153A1 - 熱電変換装置およびその製造方法 - Google Patents
熱電変換装置およびその製造方法 Download PDFInfo
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- WO2005117153A1 WO2005117153A1 PCT/JP2005/009914 JP2005009914W WO2005117153A1 WO 2005117153 A1 WO2005117153 A1 WO 2005117153A1 JP 2005009914 W JP2005009914 W JP 2005009914W WO 2005117153 A1 WO2005117153 A1 WO 2005117153A1
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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
- H10N10/13—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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- 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
Definitions
- the present invention relates to a thermoelectric conversion device in which an N-type thermoelectric element and a P-type thermoelectric element are connected in series.
- thermoelectric conversion devices described in Japanese Patent No. 3166228 (US Patent No. 5254178), Japanese Patent Application Laid-Open No. 5-175556, and US Patent No. 6521991 are known.
- thermoelectric elements In these conventional techniques, a plurality of N-type thermoelectric elements and P-type thermoelectric elements are alternately connected in series. Depending on the direction of energization, these connection parts become low or high due to the Peltier effect.
- the low temperature part is also called a heat absorbing part or a cooling part.
- the high temperature section is also called a heat radiating section or a heating section.
- the above-mentioned prior art discloses a configuration in which a member for promoting heat exchange is provided at a connection portion. For example, it discloses a configuration in which fins for promoting heat exchange with air are provided.
- the above-mentioned prior art discloses a configuration in which a plurality of thermoelectric elements are arranged in a plate shape. Further, there is disclosed a configuration in which a plate-like member is arranged on both surfaces of such a thermoelectric element array.
- thermoelectric elements since a large number of thermoelectric elements, electrode members, and heat exchange members are arranged and joined, it has been difficult to improve productivity. In addition, miniaturization of the equipment made it difficult to provide the required electrical insulation.
- An object of the present invention is to solve the above-mentioned problems of the conventional technology.
- An object of the present invention is to improve the productivity of a thermoelectric conversion device.
- An object of the present invention is to provide a thermoelectric conversion device excellent in productivity.
- Another object of the present invention is to provide a thermoelectric conversion device that can be easily produced while securing required electric insulation.
- the object of the present invention is achieved by providing a thermoelectric conversion device having a new configuration or a novel manufacturing method.
- thermoelectric element assembly (10) in which a plurality of P-type thermoelectric elements (12) and a plurality of N-type thermoelectric elements (13) are arranged in a predetermined arrangement shape, A plurality of heat exchange elements (22, 32) and a holding plate (21, 31) for holding the plurality of heat exchange elements (22, 32) are provided.
- a heat exchange element assembly (20, 30) held in a predetermined arrangement state corresponding to the arrangement state of (12, 13); a thermoelectric element assembly (10); and a heat exchange element assembly (20, 30).
- a bonding member for simultaneously bonding a plurality of bonding portions between the thermoelectric element assembly (10) and the heat exchange element assembly (20, 30) in a state where the layers are stacked.
- thermoelectric element assembly (10) and the heat exchange element assembly (20, 30) are configured, they are stacked, and a plurality of intervening elements are stacked. Since the joints can be joined all at once, excellent productivity can be realized.
- the joining member an adhesive member for providing thermal joining, for example, an adhesive can be used.
- the joining member can also constitute a plurality of independent joining members. Further, in addition to this, it is possible to configure so that a plurality of joints are joined together. For example, a single plate-like adhesive can be used.
- thermoelectric element assembly (10) a conductive joining member for providing both thermal joining and electric joining, for example, solder or the like can be used.
- the plurality of joints between the thermoelectric element assembly (10) and the heat exchange element assembly (20, 30) are, for example, a P-type thermoelectric element (12) and an N-type thermoelectric element (13) connected in series. Is set above.
- the plurality of joints are set between one heat exchange element (22, 32) and a pair of a P-type thermoelectric element (12) and an N-type thermoelectric element (13) connected in series. Is done.
- the heat exchange element (22, 32) can be provided by a highly conductive material. When the heat exchange elements (22, 32) are made of a conductive material, they can be electrically insulated from each other.
- the heat exchange element assemblies (20, 30) can be arranged only on the heat absorption side where the temperature becomes low due to energization or on the heat radiation side where the temperature becomes high. Further, the heat exchange element assemblies (20, 30) can be arranged on the heat absorbing side and the heat radiating side, respectively.
- the thermoelectric element assembly (10) includes a plurality of P-type thermoelectric elements (12) and a plurality of N-type thermoelectric elements (13) electrically connected in series.
- An electrode member (16) is provided, and a plurality of heat exchange elements (22, 32) are provided corresponding to each of the plurality of electrode members (16).
- the joining member includes a plurality of joining members for joining the plurality of heat exchange elements (22, 32) and the plurality of electrode members (16), respectively.
- the heat exchange element assemblies (20, 30) can be joined after the thermoelectric conversion element assemblies (10) are connected in series and assembled. (10, 20, 30) quality can be ensured.
- each of the heat exchange elements (22, 32) electrically connects the plurality of P-type thermoelectric elements (12) and the plurality of N-type thermoelectric elements (13) in series. Connect the electrodes (25, 35
- the joining member is characterized by joining the electrode part (25, 35) of the heat exchange element (22, 32), one P-type thermoelectric element (12), and one N-type thermoelectric element (13).
- thermoelectric conversion element assembly (16) including a plurality of electrode members (16) for electrically connecting a plurality of P-type thermoelectric elements (12) and a plurality of N-type thermoelectric elements (13) in series. Can be used together with 10).
- the heat exchange element assembly (20, 30) includes the heat absorption side heat exchange element assembly (20) arranged on the heat absorption side and the heat radiation side arranged on the heat radiation side.
- the joining member When the thermoelectric element assembly (10) and the heat-absorbing-side heat exchange element assembly (20) are stacked, the joining member includes a first joining member that jointly joins a plurality of joints therebetween, and a thermoelectric element. In a state in which the element assembly (10) and the heat-dissipation-side heat exchange element assembly (30) are stacked, a second joining member that jointly joins a plurality of joints therebetween is provided. And According to the invention as set forth in claim 4, both the heat absorbing side and the heat radiating side are previously configured as the heat exchange element assemblies (20, 30), and then they are joined to the thermoelectric element assembly (10). This configuration can achieve excellent productivity. In this configuration, the first joining member and the second joining member may be configured to be sequentially joined, or may be simultaneously joined.
- the holding plates (21, 31) of the heat exchange element assembly (20, 30) are arranged such that the heat exchange medium is provided between the heat absorbing side and the heat radiating side of the thermoelectric element assembly (10). It is characterized by providing a wall that prevents circulation between the two.
- the heat exchange medium a gas or a liquid can be used, and for example, air, water, or the like can be used.
- thermoelectric element assembly (10) holds the plurality of P-type thermoelectric elements (12) and the plurality of N-type thermoelectric elements (13) in a predetermined arrangement shape.
- a plate (11), the holding plate (11) providing a wall for preventing a heat exchange medium from flowing between the heat absorbing side and the heat radiating side of the thermoelectric element assembly (10).
- thermoelectric element assembly (10) holds the plurality of P-type thermoelectric elements (12) and the plurality of N-type thermoelectric elements (13) in a predetermined arrangement shape.
- a plate (11) is provided.
- the holding plate (11) provides a wall for preventing a heat exchange medium from flowing between the heat absorbing side and the heat radiating side of the thermoelectric element assembly (10).
- a predetermined gap as a heat insulating layer is formed between the exchange element assembly (20, 30) and the holding plate (11).
- the heat insulating layer can contain air, for example.
- the heat insulating layer may be formed on both sides of the heat absorbing side and the heat radiating side of the thermoelectric element assembly (10), and the triangle may be formed only on one side of the heat absorbing side and the heat radiating side.
- the holding plate (21) of the heat-absorbing-side heat exchange element assembly (20) is provided so that the heat exchange medium is between the heat-absorbing side and the heat-radiating side of the thermoelectric element assembly (10).
- the heat-exchanger is provided with a heat-absorbing-side wall that prevents the heat from flowing through the heat-exchanger.
- a heat-dissipation-side wall for preventing flow between the heat-dissipation side and the heat-dissipation-side wall, and forming a predetermined gap as a heat insulating layer between the heat-absorption-side wall and the heat-dissipation-side wall.
- the heat exchange element (22, 32) has a plate-like portion that extends along the flow direction of the heat exchange medium, and the plate-like portion has the plate-like portion.
- a heat exchange section (26, 36) is formed to allow the flow of the heat exchange medium between both surfaces of the heat exchange element (22, 3).
- the holding plate (21, 31) for holding 2) is provided with an opening for holding a portion of the plate-shaped portion of the heat exchange element (22, 32) where the heat exchange portion (26, 36) is not formed.
- the portions (26, 36) are characterized in that they extend outward from the opening width of the opening.
- the heat exchange element (22, 32) includes the heat exchange section (26, 36), thereby promoting heat exchange with the heat exchange medium. Also, the heat exchange part (26, 36) can be expanded outward from the opening width of the holding plate (21, 31) that holds the heat exchange element (12, 13), providing high heat exchange performance. it can.
- thermoelectric element as an electric connection member necessary for connecting the P-type thermoelectric element (12) and the N-type thermoelectric element (13) in series.
- a heat exchange medium flows along the exchange element (22, 32). Since the heat exchange elements (22, 32) have heat exchange portions (26, 36) that extend in the flow direction of the heat exchange medium, the heat exchange surface has a wide surface area along the elongated electric connection member and has a surface area. Can be provided.
- thermoelectric element substrate formed by arranging a group of thermoelectric elements
- the heat dissipating electrode (35) that electrically connects the P-type thermoelectric element (12) and the N-type thermoelectric element (13) arranged adjacent to each other, and the heat transferred from the heat dissipating electrode (35)
- a heat-dissipating electrode substrate formed by arranging a plurality of first heat-dissipating electrode members (32) having heat-dissipating parts (36) for heat exchange on a third insulating substrate (31) made of insulating material in a substantially grid pattern.
- thermoelectric element substrate (10) between the heat-absorbing electrode substrate (20) and the heat-dissipating electrode substrate (30) By combining the thermoelectric element substrate (10) between the heat-absorbing electrode substrate (20) and the heat-dissipating electrode substrate (30), the heat-absorbing electrode substrate (20) can be connected to the N-type thermoelectric element ( 13) and the P-type thermoelectric element (12) are configured such that the heat-absorbing electrode section (25) is connected in series, and the heat-radiating electrode substrate (30) is connected to the P-type thermoelectric element ( It is characterized in that the radiating electrode section (35) is connected in series with the 12) and the N-type thermoelectric element (13).
- thermoelectric elements (12, 13) which are extremely small parts, and the heat-dissipating electrode section (35) and the heat-absorbing electrode section (25) connected to the thermoelectric elements (12, 13) are formed on the respective insulating substrates ( By disposing them in a substantially grid pattern on 11, 21, and 31) and integrally forming them, the assemblability can be improved.
- thermoelectric elements (12, 13) can be connected in series by laminating the substrates (10, 20, 30) integrally formed, a conventional thermoelectric element can be connected to the conventional thermoelectric element.
- the assembling work can be made easier than the method of laminating the electrode members in series.
- the electrical connection between the adjacent thermoelectric elements (12, 13) and the heat radiation electrode part (35) or the heat absorption electrode part (25) sandwiches the thermoelectric element substrate with one end on the heat absorption side and the other on the heat radiation side. Since the compartments can be connected directly to each other, the heat generated at the connection can be efficiently taken out.
- thermoelectric element substrate (10) has an electrode member (16) made of a plate-shaped conductive material for electrically connecting adjacent thermoelectric elements (12, 13). Are bonded to both end faces of the adjacent thermoelectric elements (12, 13),
- thermoelectric element substrate (10) When the thermoelectric element substrate (10) is sandwiched between the heat-absorbing electrode substrate (20) and the heat-dissipating electrode substrate (30), the heat-absorbing electrode substrate (20) is attached to the N-type thermoelectric element (13 ) And the P-type thermoelectric element (12) are configured such that the heat-absorbing electrode section (25) is connected in series via the electrode member (16), and the heat-radiating electrode substrate (30) is arranged adjacently. Characterized in that the P-type thermoelectric element (12) and the N-type thermoelectric element (13) are configured such that the radiating electrode portion (35) is connected in series via the electrode member (16). .
- thermoelectric elements (12, 13) can be joined in series by the electrode member (16), the thermoelectric elements (12, 13), the electrode member (16) Electrical inspection such as poor electrical connection between the two can be easily performed only with the thermoelectric element substrate (10). As a result, defective products can be extracted earlier than the inspection performed when the heat absorbing electrode substrate (20) and the heat dissipating electrode substrate (30) are combined, and assemblability can be improved.
- the electrode member (16) is a very small part, like the thermoelectric element (12, 13), and a plurality of the electrode member (16) are assembled on the thermoelectric element (12, 13). By integrating them, the assemblability can be improved.
- the heat-absorbing electrode substrate (20) has a flat conductive material for electrically connecting the thermoelectric elements (12, 13) adjacent to the thermoelectric element substrate (10).
- An electrode member (16) made of is bonded to one end surface of the heat absorbing electrode part (25), and the heat radiation electrode substrate (30) electrically connects the thermoelectric elements (12, 13) adjacent to the thermoelectric element substrate (10).
- An electrode member (16) made of a conductive material in the form of a flat plate and connected to the one end surface of the heat radiation electrode part (35) is connected to the thermoelectric element substrate between the heat absorption electrode substrate (20) and the heat radiation electrode substrate (30).
- the heat absorbing electrode substrate (20) is composed of an N-type thermoelectric element (13) and a P-type thermoelectric element (1 2) and the heat absorbing electrode part (25) are connected in series via the electrode member (16), and the heat radiation electrode substrate (30) is connected to the P-type thermoelectric element (12) and the N-type thermoelectric element (13) are characterized in that the radiating electrode part (35) is connected in series via the electrode member (16).
- the plurality of extremely small electrode members (16) are connected to the first heat-absorbing electrode member (22) and the first heat-dissipating electrode member (32), that is, the second and third electrode members. Since they are integrally formed on the insulating substrates (21, 31), the assemblability can be improved.
- the second insulating substrate (21) and the third insulating substrate (31) are such that the electrode members (16) are arranged in a substantially grid pattern, and the electrode members (16)
- the heat-absorbing electrode substrate (20) is formed by integral molding so that a concave groove (24, 34) is formed on one end surface of the heat-absorbing electrode substrate (20).
- the heat radiation electrode substrate (30) is joined to one end surface of the member (16), and the heat radiation electrode portion (35) is fitted to the groove portion (34) and joined to one end surface of the electrode member (16).
- the electrode member (16), the first heat-absorbing electrode member (22), the first heat-dissipating electrode member (32), the second insulating substrate (21), and the third insulating substrate In addition to being easy to integrate with (31), positioning of the joint can be facilitated.
- an electrode member (16) made of a plate-shaped conductive material for electrically connecting between the thermoelectric elements (12, 13) adjacent to the thermoelectric element substrate (10),
- An electrode substrate (40) which is formed by arranging a plurality of the electrode members (16) on a fourth insulating substrate (41) made of an insulating material in a substantially grid pattern, is provided. ), The electrode substrate (40), the thermoelectric element substrate (10), the electrode substrate (40), and the heat radiation electrode substrate (30).
- the heat-absorbing electrode substrate (20) is composed of an N-type thermoelectric element (13) and a P-type thermoelectric element (12) arranged adjacent to each other in series with an endothermic electrode section (25) via an electrode member (16).
- the radiating electrode substrate (30) is connected to the P-type thermoelectric element (12) and the N-type thermoelectric element (13). It is characterized in that it is configured to be connected in series via a member (16).
- the plurality of extremely small electrode members (16) are connected to the fourth insulating substrate.
- the assemblability can be improved.
- the electrode member (16) is formed on the heat absorbing electrode portion (25) and the first heat radiation electrode member (32) formed on the first heat absorbing electrode member (22).
- the heat radiation electrode portion (35) is formed to be thicker than the plate thickness.
- the thickness of the electrode member (16) is set by the allowable current flowing through the thermoelectric elements (12, 13), but the heat absorbing portion (26) or the heat radiating portion (36) is set.
- the first heat-absorbing electrode member (22) or the first heat-dissipating electrode member (32) is formed thinner than the electrode member (16), so that the heat-absorbing portion (26) and the heat-dissipating portion (36) can be processed easily. Is improved.
- thermoelectric elements (12, 13) are connected in series by the first heat absorbing electrode member (22) or the first heat dissipating electrode member (32) without the interposition of the electrode member (16).
- the electrode member (16) is provided so that the first heat absorbing electrode member (22) and the first heat absorbing electrode member (22) can be used.
- the weight of the heat radiation electrode member (32) can be reduced.
- the electrode member (16) is formed such that the plate thickness of the heat absorbing electrode section (25) and the heat radiating electrode section (35) is about 0.1 to 0.3 mm. On the other hand, it is characterized in that the thickness is at least about 0.2 to 0.5 mm and is thicker than the heat absorbing electrode part (25) and the heat radiating electrode part (35).
- the heat transfer performance to the heat exchanging portion for taking out the heat generated at the joint can be improved by forming the plate with the above-mentioned numerical value.
- an insulating coating layer made of an insulating material is provided between the electrode member (16) and the heat absorbing electrode portion (25), and between the electrode member (16) and the heat radiation electrode portion (35). Characterized by being joined via (17)! /
- a high thermal resistance, a low thermal resistance while maintaining electrical insulation, and a low thermal resistance can be formed by using an insulating material. It does not reduce the rate. Further, the adjacent first heat absorbing electrode member (22) and first heat dissipating electrode member (32) do not need to be electrically insulated from each other or provided with a gap capable of obtaining electrical insulation from each other.
- the first insulating substrate (11) includes the P-type thermoelectric element (12) and the N-type thermoelectric element (12).
- a plurality of engaging holes (14) for alternately arranging the thermoelectric elements (13) in a substantially grid pattern are formed, and the thermoelectric element substrate (10) comprises a heat absorbing electrode substrate (20) and a heat radiating electrode substrate.
- the thermoelectric element substrate (10) Prior to combining with (30), a plurality of P-type thermoelectric elements (12) and N-type thermoelectric elements (13) were alternately arranged in the engagement holes (14) to arrange a group of thermoelectric elements.
- thermoelectric element substrate (10) in order to configure the thermoelectric element substrate (10), a plurality of thermoelectric elements (12, 13), which are micro components, are alternately arranged on the first insulating substrate (11). However, it is necessary to make sure that one of the electrode parts (25, 35) and the hole (14) match with one of the electrode substrates (20, 30).
- the first insulating substrate (11) can be mounted and assembled so that the thermoelectric elements (12, 13) are arranged in the engagement holes (14).
- thermoelectric elements (12, 13) there is a molding method in which the thermoelectric elements (12, 13) are alternately arranged in a molding die in advance and an insulating material is injected.
- thermoelectric elements (12, 13) may be arranged in the engagement holes (14) as in the present invention by a mouth bot method. In the case of this method, the mold can be simplified.
- thermoelectric element substrate (10) is formed in such a manner that a rod-shaped P-type thermoelectric element (12) and a rod-shaped N-type thermoelectric element (13) are alternately formed in a molding die in a substantially grid pattern. After arranging a plurality of pieces, injecting an insulating material into the mold and forming the thermoelectric element substrate (10a) before cutting, the thermoelectric element substrate (10a) before cutting is cut into a desired thickness. It is characterized by being formed by.
- thermoelectric elements (12, 13) which are extremely small parts, are formed into a rod shape, and the pre-cut thermoelectric element substrate (10a) is formed and then cut.
- the manufacture of the thermoelectric element substrate (10) can be simplified, and the assemblability can be improved by handling the rod-shaped thermoelectric elements (12, 13).
- the first insulating substrate (11) is made of a material in which rod-shaped P-type thermoelectric elements (12) and rod-shaped N-type thermoelectric elements (13) are alternately arranged.
- a plurality of grooves (15) are prepared in a straight line, and a thermoelectric element substrate (10) is provided with a rod-shaped P-type thermoelectric element (12) and a rod-shaped N-type thermoelectric element (13). ),
- a thermoelectric element substrate (10) is provided with a rod-shaped P-type thermoelectric element (12) and a rod-shaped N-type thermoelectric element (13).
- they are integrated, cut and processed into a first insulating substrate (11) having a desired thickness. It is characterized by being formed are doing.
- the rod-shaped thermoelectric elements (12, 13) have relatively brittle characteristics in molding pressure. Therefore, by being formed by joining and cutting in addition to the forming process, the manufacture of the thermoelectric element substrate (10) can be simplified, and the thermoelectric element substrate 10 with higher accuracy than the above-mentioned claim 11 is formed. it can.
- the thermoelectric element substrate (10) has a protruding protrusion between the P-type thermoelectric element (12) and the N-type thermoelectric element (13) arranged adjacent to each other.
- the heat absorbing electrode portion (25) and the heat dissipating electrode portion (35) are formed with fitting portions (25b, 35b) for fitting to the convex portions (lib).
- the first heat-absorbing electrode member (22) and the first heat-dissipating electrode member (32) are characterized in that the fitting portions (25b, 35b) are fitted to the convex portions (lib).
- thermoelectric elements (12, 13) and the heat radiation electrode part (35) are formed.
- electrical connection with the heat absorbing electrode part (25) can be ensured.
- the heat-absorbing electrode substrate (20) is configured such that one end surface of the second insulating substrate (21) is arranged near the joint of the heat-absorbing electrode section (25),
- the electrode substrate (30) is characterized in that one end surface of the third insulating substrate (31) is arranged near the junction of the heat radiation electrode portion (35).
- the first heat absorbing electrode member (22) is so formed that the heat absorbing electrode portion (25) does not protrude from one end surface of the second insulating substrate (21).
- the thermoelectric elements (12, 13) themselves generate heat due to Joule heat, so that the side surfaces of the thermoelectric elements (12, 13) are in a high temperature state.
- the amount of heat transferred to the first endothermic electrode member (22) can be reduced. As a result, the amount of heat absorption at the low-temperature side junction is not reduced, and therefore the thermoelectric conversion efficiency can be improved.
- the heat absorbing electrode substrate (20) is configured such that one end surface of the second insulating substrate (21) is arranged on the other end side facing the heat absorbing electrode section (25).
- the heat radiation electrode substrate (30) is characterized in that one end surface of the third insulating substrate (31) is arranged on the other end side facing the heat radiation electrode portion (35).
- the heat absorbing electrode section (25) and the heat radiating electrode section (35) are electrical connection sections, the other end opposite to the second or third insulating section is provided.
- the adjacent first heat-absorbing electrode member (22) and first heat-dissipating electrode member (32) can be reliably electrically insulated from each other.
- the other end can be diverted as a case member forming an air passage.
- thermoelectric element substrate (10) is used as a partition wall, and case members (28, 38) are provided on both sides of the thermoelectric element substrate (10) to form air passages.
- the case members (28, 38) are characterized in that they cover either the first heat absorbing electrode member (22) or the first heat radiating electrode member (32).
- the heat generated in the heat absorbing electrode portion (25) or the heat dissipating electrode portion (35) connected to the adjacent thermoelectric elements (12, 13) is cooled by the cooling fluid and the cooled fluid.
- the heat can be easily separated from the fluid, and the heat can be effectively used.
- the first heat-absorbing electrode member (22) and the first heat-dissipating electrode member (32) are formed in a substantially U-shape as a whole, and have a planar force at the bottom thereof.
- the heat absorbing electrode part (25) or the heat dissipating electrode part (35) is formed, and the heat absorbing electrode part (25) or the heat dissipating electrode part (35) is louver-shaped or offset-shaped on the outwardly extending plane. It is characterized by the fact that the shape was formed by molding!
- a plurality of endothermic electrodes are formed on a flat metal plate by using, for example, a plastic kneader such as pressing force roller molding.
- the part (25), the heat radiation electrode part (35), the heat absorption part (26), and the heat radiation part (36) can be easily formed integrally. Thereby, the productivity of the first heat-absorbing electrode member (22) and the first heat-dissipating electrode member (32) can be improved.
- the first heat-absorbing electrode member (22) and the first heat-dissipating electrode member (32) are arranged along at least the thermoelectric element group.
- the heat radiation electrode part (35) is connected and formed into a band shape, and after being connected to the second or third insulating substrate (21, 31), the heat absorption electrode part (25) or the heat radiation electrode part (35) is formed. Are formed so as to be electrically insulated from each other.
- the heat absorbing electrode part (25) or the heat radiating electrode part (35) is connected.
- a plurality of the first heat absorbing electrode members (22) and the first heat radiating electrode members (32) can be integrally formed in a belt shape at least for each thermoelectric element group unit. This facilitates the work of assembling the first heat absorbing electrode member (22) and the first heat radiation electrode member (32) to the second and third insulating substrates (21, 31).
- the first endothermic electrode member (22) is an endothermic electrode part (25) that also has a plate-like force and an endothermic element that exchanges heat generated by the endothermic electrode part (25).
- the first heat-dissipating electrode member (32) is composed of a heat-exchange member (22a), and the first heat-dissipating electrode member (32) exchanges heat generated by the heat-dissipating electrode portion (35) made of a flat plate-shaped heat and the heat-dissipating electrode portion (35)
- the heat-absorbing heat exchanging member (22a) and the heat-dissipating heat exchanging member (32a) are capable of conducting heat to the heat-absorbing electrode (25) or the heat-dissipating electrode (35). It is provided on the second or third insulating substrate (21, 31) so as to be connected to the second substrate.
- the heat absorbing electrode portion (25) and the heat radiating electrode portion (35) are formed separately from the heat absorbing and heat exchanging member (22a) and the heat radiating heat exchanging member (22a).
- the heat radiation electrode part (35) and the heat absorption electrode part (25) are provided on the second or third insulating substrate (21, 31), the conventional thermoelectric element and the electrode member are laminated in series. The assembling work can be made easier than the method of making it.
- the first heat-absorbing electrode member (22) is divided into at least two or more pieces and disposed on the second insulating substrate (21) in an L-shape.
- the heat-absorbing electrode section (25) and the heat-absorbing section (26) are integrally formed on a flat plate, and each heat-absorbing electrode section (25) is pressed into a board hole formed in the second insulating board (21). Thereafter, the heat absorbing electrode portions (25) are formed by bending along one end surface of the second insulating substrate (21), and the heat absorbing electrode portions (25) are connected to each other.
- the first heat dissipating electrode member (32) is divided into at least two or more pieces and the heat dissipating electrode part (35) and the heat dissipating part (36) are arranged in an L-shape on the third insulating substrate (31). And the heat radiation electrode portions (35) are pressed into the substrate holes formed in the third insulating substrate (31), and then one end surface of the third insulating substrate (31) is formed.
- the heat radiation electrode portions (35) are formed by bending along the line, and the heat radiation electrode portions (35) are connected to each other. According to the invention as set forth in claim 29, the heat absorbing electrode part (25) or the heat radiating electrode part (35) and the heat absorbing part (26) or the heat radiating part (36) are divided into at least two or more pieces.
- the forming process can be performed in a shorter time than when a plurality of the heat absorbing portions (26) or the heat radiating portions (36) are formed. As a result, the number of manufacturing steps can be reduced.
- the heat exchange efficiency of the heat absorbing portion (26) and the heat radiating portion (36) can be improved by easily increasing the number of the heat absorbing portion (26) or the heat radiating portion (36). Further, the heat absorbing electrode portion (25) or the heat dissipating electrode portion (35) is press-fitted into a substrate hole formed in the second insulating substrate (21) or the third insulating substrate (31). It is not necessary to seal the gap formed in the board hole.
- thermoelectric element (12, 13) and the heat-absorbing electrode part (25) or the radiation electrode part (35) is better.
- the joining area can be increased. Thereby, the thermal conductivity can be improved, so that the size can be reduced.
- the first heat absorbing electrode member (22) is formed by integrally forming the heat absorbing electrode portion (25) and the heat absorbing portion (26). Are formed so as to be continuously connected via the connecting portion (223).
- the first heat radiation electrode member (32) continuously connects the heat radiation electrode parts (35) to each other via the connection part (323).
- the feature is that it is formed so as to connect a plurality of pieces! /
- the shape of the present invention is more man-hour for manufacturing. Can be reduced.
- the heat-absorbing electrode substrate (20) is a seal made of a resin material in a gap between the outer periphery of the first heat-absorbing electrode member (22) and the second insulating substrate (21). It is characterized by being potted using wood.
- the first heat absorbing electrode member (22) generates condensation due to heat absorption.
- dew water does not flow out to one end surface of the heat absorbing electrode portion (25), that is, to the connection portion side of the thermoelectric elements (12, 13).
- the thermoelectric elements (12, 13) and their connection portions are not damaged by corrosion.
- dew condensation water water vapor, chemicals, dust, foreign matter, etc. enter the thermoelectric element (12, 13) side in the air flowing to the heat absorbing section (26) or the heat radiating section (36).
- thermoelectric element substrate (10), the heat absorbing electrode substrate (20), the heat radiation electrode substrate (30), and the electrode substrate (40) is provided as a plurality. It is characterized in that it is divided and configured so as to combine them.
- each substrate (10, 20, 30, 40) is divided. By forming it, thermal strain can be reduced.
- thermoelectric element group in which P-type thermoelements (12) and N-type thermoelectric elements (13) are alternately arranged on one end surface of either the heat absorption electrode part (25) or the heat radiation electrode part (35)
- the heat absorbing electrode substrate (20) and the heat dissipating electrode substrate (30) are interposed between the heat absorbing electrode substrate (20) and the heat dissipating electrode substrate (30).
- the N-type thermoelectric element (13) and the P-type thermoelectric element (12) arranged adjacent to each other are configured to be connected in series, and the heat radiation electrode substrate (30) has a heat radiation electrode part (35). It is characterized in that adjacently arranged P-type thermoelements (12) and N-type thermoelectric elements (13) are connected in series.
- thermoelectric element (12, 13) At least the heat radiation electrode portion (35) or the heat absorption electrode portion (25) connected to the thermoelectric element (12, 13) is provided on the second and third insulating substrates (21, 23). , 31), it is more assembled than the conventional thermoelectric element (12, 13) and the first heat absorbing electrode member (22) or the first heat discharging electrode member (32). Can be easily attached.
- thermoelectric elements (12, 13) and the heat radiation electrode portion (35) or the heat absorption electrode portion (25) can be directly connected, the heat generated at the connection portion can be efficiently removed. Can be taken out.
- thermoelectric element substrate formed by arranging a group of thermoelectric elements; and a P-type thermoelectric element (12) formed of a flat conductive material and arranged adjacent to the thermoelectric element substrate (10).
- An electrode member (22) having an electrode portion (25, 35) for electrically connecting to the N-type thermoelectric element (13), and a heat exchange portion (26, 36) for absorbing and radiating heat transferred from the electrode portion.
- thermoelectric conversion device provided with a plurality of electrode members (22, 32), wherein a plurality of electrode members (22, 32) are temporarily fixed in a substantially grid pattern on a second insulating substrate (21, 31) made of insulating material. Placed in a state and integrated After configuring, as characterized in that is bonded to the end face of the respective electrode portions (25, 35) P-type heat Denmoto element adjacent (12) and the N-type thermoelectric element (13) at the same time, Ru.
- thermoelectric elements (12, 13) Before joining the thermoelectric elements (12, 13) to the thermoelectric elements (12, 13), a plurality of thermoelectric elements (12, 13) can be joined to predetermined positions without generating a shift. Thereby, the reliability of the joint can be improved.
- the electrode member (22, 32) is configured such that an adhesive is applied to a substrate hole formed in the second insulating substrate (21, 31), and the electrode portion is attached to the substrate hole. (25, 35) is inserted and temporarily fixed to the second insulating substrate (21, 31).
- the electrode members (22, 32) are formed on the second insulating substrate (21, 31).
- the electrode portion (25, 35) is press-fitted into the formed substrate hole and temporarily fixed to the second insulating substrate (21, 31).
- the invention as set forth in claim 36, it is possible to prevent occurrence of displacement before joining.
- thermoelectric element substrate (10) in which a plurality of P-type thermoelectric elements (12) and N-type thermoelectric elements (13) are alternately arranged in a substrate hole formed in a substantially grid pattern and a thermoelectric element group is arranged in a row. And a plane for electrically connecting the P-type thermoelectric elements (12) and the N-type thermoelements (13) arranged adjacent to the thermoelectric element substrate (10) to a flat conductive material.
- the back side of the electrode part (25) of the electrode member (22, 32) formed in this forming process is pinched, and is placed on a second insulating substrate (21, 31), which is a pre-installed insulating material.
- Electrodes (25, 35) of (22, 32) are installed at both ends of the P-type thermoelectric element (12) and the N-type thermoelectric element (13) arranged adjacent to the thermoelectric element substrate (10), Thereafter, a joining step of joining both ends of the N-type thermoelectric element (13) and the electrode portions (25, 35) by soldering is provided.
- thermoelectric elements (12, 13) by providing an electrode member assembling step of arranging a plurality of electrode portions (25, 35) in a substantially grid pattern in a temporarily fixed state before the joining step, Before the electrode members (22, 32) are joined to the thermoelectric elements (12, 13), a plurality of thermoelectric elements (12, 13) can be joined at predetermined positions without generating a shift. Thereby, the reliability of the joint can be improved.
- the electrode member assembling step is a terminal step of the forming step. And the electrode members (22, 32) formed in the forming process are directly disposed in the substrate holes of the second insulating substrate (21). /
- an adhesive is applied to a substrate hole formed in the second insulating substrate (21, 31), and the electrode portion (25, 35) is applied to the substrate hole. ) Is inserted and the electrode members (22, 32) are assembled so as to be temporarily fixed to the second insulating substrate (21, 31).
- the electrode portions (25, 35) are press-fitted into substrate holes formed in the second insulating substrate (21), and the second insulating substrate (21).
- the electrode members (22, 32) are assembled so that they are temporarily fixed to the (31) and (31)! /
- the invention according to claim 41 is characterized in that, in the forming step, the electrode members (22, 32) are formed from a coil-shaped plate material by shearing, bending, and punching.
- a manufacturing force for forming the plurality of electrode members (22, 32) can be achieved by, for example, pressurizing.
- the electrode portions (25, 35) and the heat exchange portions (26, 36) can be formed continuously and integrally, manufacturing costs can be reduced.
- thermoelectric element substrate (10) which is configured by arranging thermoelectric element groups in a row, is disposed opposite to both sides of the thermoelectric element substrate (10).
- electrode portion (25, 25) formed in a planar shape to electrically connect the P-type thermoelectric element (12) and the N-type thermoelectric element (13) arranged adjacent to the thermoelectric element substrate (10).
- an electrode member (22, 32) having a heat exchange portion (26, 36) for absorbing and dissipating heat transferred from the electrode portion (25, 35) to a second insulating substrate ( 21 and 31) are provided with a pair of heat absorbing Z heat dissipating electrode substrates (20, 30) arranged in a substantially grid pattern.
- the heat absorbing Z heat dissipating electrode substrates (20, 30) are provided with electrode members (22, 30).
- , 32) are connected in series to both ends of a P-type thermoelectric element (12) and an N-type thermoelectric element (13) arranged adjacent to each other via electrode portions (25, 35), respectively.
- the electrode members (22, 32) are formed in a shape that can be easily assembled and fixed to the second insulating substrate (21, 31), and are integrally formed with the second insulating substrate (21, 31).
- thermoelectric elements (12, 13) and the electrode members (22, 32) are micro components and are arranged in a grid pattern at the same time. Improvement of the performance is required. Therefore, in the present invention, by mounting the electrode members (22, 32) on the second insulating substrate (21, 31) in a shape that can be easily assembled and fixed, the mounter which is an existing electronic component assembling apparatus is formed. A plurality of electrode members (22, 32) can be easily attached to the second insulating substrate (21, 31) by a device or a robot device, so that the assemblability can be improved.
- thermoelectric element (12, 13) and the electrode members (22, 32) connected to the thermoelectric element (12, 13) can be integrally formed on the first and second insulating substrates (11, 21), respectively.
- the assembling work can be made easier than the method of laminating the electrode members in series.
- the electrical connection between the adjacent thermoelectric elements (12, 13) and the electrode members (22, 32) can be directly connected, the heat generated at the connection can be efficiently taken out.
- the electrode member (22, 32) forms a protruding protrusion (22a, 32a) outward in a direction orthogonal to the electrode portion (25, 35),
- the protrusions are press-fitted into the board holes (21a, 31a) formed in the second insulating board (21, 31), assembled and fixed, thereby confirming that the protrusions are integrally formed on the second insulating board (21, 31).
- the electrode member (22, 32) is formed in a substantially U-shape that is a flat plate, and the open end thereof is formed on the second insulating substrate (21, 31). Into the substrate holes (21a, 31a), and then bend along one end surface of the second insulating substrate (21, 31) to form electrode portions (25, 35), and assemble and fix them. It is characterized by being integrally formed on two insulating substrates (21, 31).
- the electrode portions (25, 35) can be obtained by a simple process of bending. For this reason, assembling by the existing manufacturing apparatus can be easily performed. Thereby, the assemblability can be improved.
- the electrode member (22, 32) is formed in a substantially hat shape including the flange-shaped electrode portion (25, 35), and the electrode portion (25, 35) is formed. ) Is inserted into the board holes (21a, 31a) formed in the second insulating board (21, 31), and assembled and fixed to the second insulating board (21, 31). I have.
- thermoelectric element substrate formed by arranging thermoelectric element groups in a row, and a P-type element arranged opposite to both sides of the thermoelectric element substrate (10) and arranged adjacent to the thermoelectric element substrate (10) Electrodes (25, 35) that electrically connect the thermoelectric element (12) and the N-type thermoelectric element (13), and heat exchangers (26, 36) that absorb and radiate the heat transferred from the electrodes
- the heat absorbing Z heat dissipating electrode substrates (20, 30) are provided with electrode portions (25, 3) at both ends of the P-type thermoelectric element (12) and the N-type thermoelectric element (13) arranged adjacent to each other. 5) connected in series And one end face of the second insulating substrate (21, 31) is arranged near the joint surface between the electrode portion and the P-type thermoelectric element (12) and the N-type thermoelectric element (13). It is characterized by doing.
- the second insulating substrates (21, 31) are arranged to face each other on both sides of the first insulating substrate (11), the first electrode on the high temperature side is provided.
- thermoelectric element (22) of the first electrode member (22) on the low temperature side is formed.
- the surface area exposed to the 12, 13) side can be reduced.
- the first electrode member (22) can be configured so that the electrode portion (25) does not protrude from one end surface of the second insulating substrate (21). According to this, only the electrode part (25) of the first electrode member (22) is exposed on the thermoelectric element (12, 13) side. Therefore, the amount of heat transfer by convection or radiation from the side surfaces of the thermoelectric elements (12, 13) to the first electrode member (22) on the low temperature side can be suppressed. Thereby, the thermoelectric conversion efficiency can be improved.
- one of the heat-absorbing Z-radiation electrode substrates (20) constituting the first electrode member (22) in which the electrode portion (25) is on the low-temperature side includes the electrode portion (25). Characterized in that one end surface of the second insulating substrate (21) is arranged near the joint surface between the P-type thermoelectric element (12) and the N-type thermoelectric element (13).
- the exposed surface area of the first electrode member (22) on the low temperature side can be suppressed.
- the heat-absorbing Z-radiating electrode substrate (20, 30) is formed by bonding the electrode portion (25, 35) to the P-type thermoelectric element (12) and the N-type thermoelectric element (13).
- the surface, preferably the end face force of the second insulating substrate (21, 31) also adds the plate thickness (tl) of the second insulating substrate (21, 31) and the plate thickness (t2) of the electrode portion (25, 35). Characterized in that they are arranged within the range of the protrusion size (L) described above, or more preferably, are arranged inside from one end surfaces of the second insulating substrates (21, 31).
- the amount of heat transferred to the first electrode member (22) on the low temperature side can be reduced.
- the protrusion dimension (L) of the first electrode member (22) satisfies the relational expression of (tl + t2)> L. More preferably, the first electrode member (22) is configured so that the electrode portion (25) does not protrude from one end surface of the second insulating substrate (21).
- thermoelectric element substrate (10) formed by arranging thermoelectric element groups in a row, and a thermoelectric element substrate (10)
- a second electrode member (22a) for electrically connecting the P-type thermoelectric element (12) and the N-type thermoelectric element (13) is disposed opposite to both sides of the thermoelectric element substrate (10).
- thermoelectric elements having a heat exchange part (26) for absorbing and dissipating heat transferred from the electrode member (22a), a pair of metal substrates (20a) made of a metal material, and being arranged adjacently (12) and the N-type thermoelectric element (13) are connected in series at both ends thereof via a second electrode member (22a), and the metal substrate (20a) faces the second electrode member (22a).
- An insulating layer (21a) having an insulating material strength is formed at a position where the second electrode member (22a) is joined to the insulating layer (21a).
- the metal substrate (301, 303) By disposing the first insulating substrate (11) between the first insulating substrate (11) and the second electrode member (16) on the high-temperature side and the second electrode member (16) on the low-temperature side, As a result, heat transfer to the high temperature side and the low temperature side can be prevented.
- an insulating layer (305) is formed on the metal substrate (301, 303), and the second electrode member (16) is joined to the insulating layer (305). The surface area of the second electrode member (16) exposed to the thermoelectric element (12, 13) side can be reduced.
- thermoelectric elements (12, 13) can also reduce the amount of heat transferred to the second electrode member (16), which is on the low temperature side due to convection. Therefore, the amount of heat absorption at the low-temperature side junction is not reduced, so that the thermoelectric conversion efficiency can be improved.
- thermoelectric element substrate (10) formed by arranging a group of thermoelectric elements is electrically connected to an end face of the P-type thermoelectric element (12) and an end face of the N-type thermoelectric element (13) arranged adjacent to each other.
- a plurality of heat exchange members (432) are heat-coupled to the electrode member (16) so as to transfer the generated heat to a plurality of parts.
- a plurality of heat exchange members (432) extending from the respective electrode members (16) are employed. For this reason, the heat exchange area can be increased. More In addition, heat can be dispersed to the plurality of heat exchange members (432). As a result, the size of the apparatus can be reduced without lowering the heat exchange efficiency.
- the heat exchanging member (432) is formed by either a plate member (432a) having a thin flat plate shape or a pin member (432b) having a rod-like force and being displaced or formed. And extending from one surface of the electrode member (16).
- the heat exchange area can be increased.
- a fixing member (431a, 431b) that is disposed between the plurality of heat exchange members (432) and has a rod-shaped insulating material that electrically insulates the members. ).
- the fixing member (43lc, 43) which is disposed between the plurality of heat exchange members (432) and is a flat plate-shaped insulating material and electrically insulates them. 43 Id).
- the fixing member is provided, for example, as a plate-like member provided with a groove or a hole having a shape corresponding to the plate member (432a) or the pin member (432b), and the heat exchange member (432) is provided in these grooves or holes. Accept and fix them.
- thermoelectric element group in which a plurality of P-type thermoelectric elements (12) and N-type thermoelectric elements (13) are alternately arranged on an insulating substrate (11) having an insulating material strength. And a P-type thermoelectric element (12) and an N-type thermoelectric element (13) arranged adjacent to the thermoelectric element substrate (10).
- An electrode portion (535) formed in a planar shape for electrical connection and an electrode member (532) having a heat exchange portion (536) formed so as to be able to conduct heat to the electrode portion (535).
- the electrode portion (535) is soldered to the P-type thermoelectric element (12) and the N-type thermoelectric element (13).
- thermoelectric elements (12, 13) are connected to each other by a simple assembling step.
- the electrode member (532) can be connected. Also, by joining by soldering, it is possible to efficiently extract the heat generated at the connection portion. As a result, the thermal resistance at the connection portion can be reduced, so that the heat exchange efficiency of the device does not decrease.
- the heat exchange section (536) is arranged so as to form a space in the vertical direction on the back side of the electrode section (535).
- the rear surface side of the electrode portion (535) since the rear surface side of the electrode portion (535) has a space in the vertical direction, it is an apparatus for assembling electronic components such as a semiconductor and a control board. It becomes possible to use a mounter device. This makes it possible to improve the assemblability of the electrode member (532) which is a very small part and has a large number.
- the heat exchange section (536) has a louver shape, a slit shape, an offset shape, a flat shape, a flat surface extending outward from the electrode portion (535).
- One of the pin-like shapes is formed by molding.
- thermoelectric element (12) and the N-type thermoelectric element (13) are picked up, and the P-type thermoelectric element ( A step of assembling a thermoelectric substrate (10) in which a plurality of thermoelectric elements are arranged by alternately arranging a plurality of the thermoelectric elements (12) and the N-type thermoelectric elements (13);
- thermoelectric element (12) arranged adjacent to the thermoelectric element substrate (10) by pinching the back side of the electrode portion (535) of the electrode member (532) formed in the molding process And a bonding step of mounting the electrode portion (535) so as to connect the N-type thermoelectric element (13) and the N-type thermoelectric element (13), and bonding by soldering.
- thermoelectric element (12, 13) which is a very small part and has a large number becomes easy. Further, since the rear surface force of the electrode portion (535) is provided for the pick-up, its handling is facilitated. As a result, high productivity is provided. Can be offered.
- the invention according to claim 58 is characterized in that the assembling step of the thermoelectric element substrate (10) and the joining step are performed using a mounter device. According to the present invention, the mountability is improved by using the mounter device for mounting the electronic component.
- the plate-shaped conductive material provided in the shape of a coil is subjected to shearing, bending, or shaping processing for removing an outer shape, thereby forming the electrode member ( 532).
- the production of the electrode member (532) can be performed using, for example, press working. As a result, manufacturing costs can be reduced.
- the heat exchange section (536) is formed by etching on a flat conductive material, and then the sheet is bent or contour-extracted.
- the electrode member (532) is formed by applying a molding process. According to this invention, fine processing can be performed by an etching process. As a result, a heat exchange member having a precise shape can be provided at low cost and at low manufacturing cost.
- a cross section is formed by extruding a flat conductive material, and then the electrode member (532) is formed by removing the outer shape. It is characterized by doing. According to the present invention, manufacturing costs can be reduced by forming by extrusion.
- FIG. 1 is a cross-sectional view showing a thermoelectric conversion device according to a first embodiment of the present invention.
- FIG. 2 is an exploded view of the thermoelectric converter of the first embodiment.
- FIG. 3 is a partial plan view showing the arrangement of the thermoelectric elements of the first embodiment.
- FIG. 4 is a cross-sectional view of the thermoelectric conversion device according to the first embodiment.
- FIG. 5 is an exploded view of a thermoelectric conversion device according to a second embodiment.
- FIG. 6 is an exploded view of a heat absorbing electrode substrate according to a second embodiment.
- FIG. 7 is an exploded view of a thermoelectric conversion device according to a third embodiment.
- FIG. 8 is a cross-sectional view showing a thermoelectric conversion device according to a fourth embodiment.
- FIG. 9 is a cross-sectional view illustrating a thermoelectric conversion device according to a fifth embodiment.
- FIG. 10 is a sectional view of a thermoelectric conversion device according to a fifth embodiment.
- FIG. 11 is a cross-sectional view illustrating a thermoelectric conversion device according to a sixth embodiment.
- FIG. 12 is a cross-sectional view illustrating a thermoelectric conversion device according to a seventh embodiment.
- FIG. 13 is an exploded view of a thermoelectric conversion device according to a seventh embodiment.
- FIG. 14 is a cross-sectional view showing a thermoelectric conversion device according to an eighth embodiment.
- FIG. 15 is a perspective view showing a configuration of a thermoelectric element substrate according to a ninth embodiment.
- FIG. 16 is a perspective view showing a thermoelectric element substrate according to a modification of the ninth embodiment.
- FIG. 17 is a sectional view showing a thermoelectric conversion device according to a tenth embodiment.
- FIG. 18 is a partial plan view showing the arrangement of the thermoelectric elements according to the tenth embodiment.
- FIG. 19 is a sectional view showing a thermoelectric conversion device according to an eleventh embodiment.
- FIG. 20 is a sectional view showing a thermoelectric conversion device according to a twelfth embodiment.
- FIG. 21 is a cross-sectional view showing a manufacturing step of the electrode member of the twelfth embodiment.
- FIG. 22 is a cross-sectional view showing the manufacturing process of the electrode member of the twelfth embodiment.
- FIG. 23 is a plan view showing an aspect of the electrode member of the twelfth embodiment in the middle of manufacture.
- FIG. 24 is a sectional view showing a first heat absorbing electrode member of a twelfth embodiment.
- FIG. 25 is an exploded view showing a thermoelectric element substrate according to a thirteenth embodiment.
- FIG. 26 is a plan view showing a thermoelectric element substrate according to a fourteenth embodiment.
- FIG. 27 is a sectional view showing a thermoelectric conversion device according to a fifteenth embodiment.
- FIG. 28 is an enlarged sectional view of a thermoelectric conversion device according to a fifteenth embodiment.
- FIG. 29 is a cross-sectional view showing a side surface of the thermoelectric conversion device according to a fifteenth embodiment.
- FIG. 30 is a cross-sectional view showing a louver according to a fifteenth embodiment, showing a cross section taken along line AA of FIG. 28.
- FIG. 31 is a cross-sectional view showing the thermoelectric element of the fifteenth embodiment, showing a cross section taken along line AA of FIG. 27.
- 32 is an explanatory view showing the manufacturing process of the thermoelectric conversion device of the fifteenth embodiment.
- FIG. 33 is a cross-sectional view showing a side surface of the thermoelectric conversion device according to a seventeenth embodiment.
- FIG. 34 is a cross-sectional view showing a side surface of the thermoelectric conversion device according to a seventeenth embodiment.
- FIG. 35 is a cross-sectional view showing a side surface of the thermoelectric conversion device according to an eighteenth embodiment.
- FIG. 36 is a cross-sectional view showing the front surface of the thermoelectric conversion device according to an eighteenth embodiment.
- FIG. 37 is a cross-sectional view showing a side surface of the thermoelectric conversion device according to a nineteenth embodiment.
- FIG. 38 is a bottom view showing the thermoelectric converter of the nineteenth embodiment.
- FIG. 39 is a cross-sectional view showing a thermoelectric conversion device according to a twentieth embodiment.
- FIG. 40 is an enlarged sectional view showing a thermoelectric conversion device according to a twentieth embodiment.
- FIG. 41 is a side view showing a thermoelectric conversion device according to a twentieth embodiment.
- FIG. 42 is a cross-sectional view showing a thermoelectric conversion device according to a twenty-first embodiment.
- FIG. 43 is a side view showing a thermoelectric conversion device according to a twenty-first embodiment.
- FIG. 44 is a bottom view showing the thermoelectric converter of the twenty-first embodiment.
- FIG. 45 is a sectional view showing a thermoelectric conversion device according to a twenty-second embodiment.
- FIG. 46 is an enlarged cross-sectional view showing the assembly process of the twenty-second embodiment.
- FIG. 47 is a sectional view showing a thermoelectric conversion device according to a twenty-third embodiment.
- FIG. 48 is an enlarged cross-sectional view showing the assembly process of the twenty-third embodiment.
- FIG. 49 is a cross-sectional view showing a thermoelectric converter according to a twenty-fourth embodiment.
- FIG. 50 is an exploded view showing a thermoelectric conversion device according to a twenty-fourth embodiment.
- FIG. 51 is an enlarged sectional view showing a thermoelectric conversion device according to a twenty-fourth embodiment.
- FIG. 52 is an enlarged sectional view showing a thermoelectric conversion device according to a twenty-fifth embodiment.
- FIG. 53 is a cross-sectional view showing a thermoelectric conversion device according to a twenty-sixth embodiment.
- FIG. 54 is a cross-sectional view showing a thermoelectric conversion device according to a twenty-seventh embodiment.
- FIG. 55 is a cross-sectional view showing a thermoelectric conversion device according to a twenty-eighth embodiment.
- FIG. 56 is a cross-sectional view showing a thermoelectric converter according to a twenty-ninth embodiment.
- FIG. 57 is a cross-sectional view showing a thermoelectric conversion device according to a thirtieth embodiment.
- FIG. 58 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-first embodiment.
- FIG. 59 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-second embodiment.
- FIG. 60 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-third embodiment.
- FIG. 61 is a cross-sectional view showing a thermoelectric converter according to a thirty-fourth embodiment.
- FIG. 62 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-fifth embodiment.
- FIG. 63 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-fifth embodiment.
- FIG. 64 is an exploded view showing a thermoelectric conversion device according to a thirty-fifth embodiment.
- FIG. 65 is an explanatory view showing the manufacturing step of the thermoelectric converter of the thirty-fifth embodiment.
- FIG. 66 is a cross-sectional view showing a thermoelectric conversion device according to a 36th embodiment.
- FIG. 67 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-sixth embodiment.
- FIG. 68 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-seventh embodiment.
- FIG. 69 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-seventh embodiment.
- FIG. 70 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-seventh embodiment.
- FIG. 71 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-eighth embodiment.
- FIG. 72 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-eighth embodiment.
- FIG. 73 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-eighth embodiment.
- FIG. 74 is a cross-sectional view showing a thermoelectric converter according to a thirty-ninth embodiment.
- FIG. 75 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-ninth embodiment.
- FIG. 76 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-ninth embodiment.
- FIG. 77 is a perspective view showing a thermoelectric conversion device according to a fortieth embodiment.
- FIG. 78 is a perspective view showing a thermoelectric conversion device according to a forty-first embodiment.
- FIG. 79 is a partially enlarged cross-sectional view showing a thermoelectric conversion device according to a forty-second embodiment.
- FIG. 80 is a plan view showing a thermoelectric converter of a forty-second embodiment.
- thermoelectric conversion device to which the present invention is applied will be described.
- a plurality of embodiments to which the present invention is applied will be described.
- FIG. 1 is a cross-sectional view showing the overall configuration of the thermoelectric conversion device according to the present embodiment.
- Figure 2
- FIG. 3 is a partial plan view showing the arrangement of the thermoelectric elements.
- FIG. 3 shows an arrow A in FIG.
- FIG. 4 is a cross-sectional view showing a cross section orthogonal to FIG.
- the thermoelectric conversion device includes a thermoelectric element substrate 10, an endothermic electrode substrate 20, a radiating electrode substrate 30, It is composed of a pair of case members 28 and 38.
- This thermoelectric conversion device can be applied to applications that cool air on the one hand and heat air on the other. For example, it can be used as a part of a vehicle air conditioner.
- the thermoelectric element substrate 10 includes a first insulating substrate 11, which is a holding plate, a plurality of P-type thermoelectric elements 12, a plurality of N-type thermoelectric elements 13, and a plurality of electrode members 16.
- the P-type thermoelectric element 12 is made of a P-type semiconductor that also has Bi-Te-based compound power.
- the N-type thermoelectric element 13 is composed of an N-type semiconductor made of a Bi—Te compound. These thermoelectric elements 12 and 13 are extremely small parts.
- the thermoelectric element substrate 10 has a first insulating substrate 11 made of a flat insulating material.
- the first insulating substrate 11 is also made of glass epoxy, PPS resin, LCP resin or PET resin.
- the first insulating substrate 11 has a plurality of through holes.
- a P-type thermoelectric element 12 and an N-type thermoelectric element 13 are accommodated and fixed in each of the plurality of through holes.
- the P-type thermoelectric elements 12 and the N-type thermoelectric elements 13 are arranged in a substantially grid pattern. These thermoelectric elements 12 and 13 are integrally formed on the first insulating substrate 11.
- the P-type thermoelectric element 12 and the N-type thermoelectric element 13 are formed such that the upper end face and the lower end face protrude from the first insulating substrate 11.
- On the first insulating substrate 11, a meandering current path is set.
- a plurality of P-type thermoelectric elements 12 and a plurality of N-type thermoelectric elements 13 are alternately arranged along this current path to form a
- the two thermoelectric elements 12 and 13 adjacent to each other along the energization path are electrically connected by the electrode member 16 on the front side or the back side of the first insulating substrate 11 and are short-circuited.
- an electrode member 16 is joined to a front end surface of one thermoelectric element 12 and a front end surface of an adjacent thermoelectric element 13 by a conductive material.
- the electrode member 16 is made of a conductive metal such as a flat copper material.
- the electrode member 16 is rectangular so as to extend between the two thermoelectric elements 12 and 13. The bond is provided, for example, by solder.
- the electrode members 16 are placed, and then they can be heated and soldered.
- an adhesive providing high thermal conductivity may be used.
- a single sheet of adhesive may be used in order to enable a plurality of bonding operations at once.
- Electrode member 16 has a sectional area set based on the current flowing through thermoelectric elements 12, 13.
- the plate thickness of the electrode member 16 is larger than the plate thickness of the first heat absorbing electrode member 22 and the first heat radiation electrode member 32 described later.
- the plate thickness of the electrode member 16 can be about 0.2 to 0.5 mm.
- the heat absorbing electrode substrate 20 includes a second insulating substrate 21 as a holding plate and a second insulating substrate 21 as a plurality of heat exchange elements.
- the heat radiation electrode substrate 30 includes a third insulating substrate 31 as a holding plate and a first heat radiation electrode member 32 as a plurality of heat exchange elements.
- the second insulating substrate 21 and the third insulating substrate 31 also have a flat insulating material, such as glass epoxy, PPS resin, LCP resin, or PET resin.
- the heat absorbing electrode member 22 is integrated with the second insulating substrate 21.
- the heat radiation electrode member 32 is integrally assembled to the third insulating substrate 31.
- the heat absorption electrode substrate 20 and the heat radiation electrode substrate 30 have a substantially symmetric configuration. However, the arrangement of the heat exchange elements on them is different. Further, the shape and arrangement of various components on them may be different due to the arrangement of the power supply terminals and the like.
- the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 have the same shape. These are made of thin plates that also have a conductive metal force such as copper. These have a substantially U-shaped cross section as shown in FIG. These form flat heat-absorbing and heat-dissipating electrodes 25 and 35 at the bottom. The electrode portions 25 and 35 are joined to the electrode member 16. Plate-like fins extend from two sides of the electrode portions 25 and 35 so as to rise at right angles. These fins extend outward. The fins are formed with louvers 26 and 36 for promoting heat exchange with air. These fins and louvers provide a heat exchange section. The bars 26 and 36 absorb and dissipate the heat transferred from the heat absorbing and radiating electrode portions 25 and 35. The bars 26 and 36 are formed integrally with the electrode portions 25 and 35 by forming such as cutting and raising. Instead of the louvers 26 and 36 with the fin plates being machined diagonally, an offset configuration in which the fin plates are shifted in parallel may be adopted!
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 are arranged such that the bottom surfaces of one heat-absorbing and heat-dissipating electrode portions 25 and 35 overlap one electrode member 16. 1st endothermic The pole member 22 and the first heat-dissipating electrode member 32 are connected to one end surface of the heat-absorbing and heat-dissipating electrode portions 25, 35.
- first heat absorbing electrode member 22 and the first heat dissipating electrode member 32 adjacent to each other are arranged with a predetermined gap so as to be electrically insulated from each other. They are arranged in a grid pattern.
- the heat absorbing electrode portion 25 of the first heat absorbing electrode member 22 is connected to the electrode member 16 arranged above.
- the heat radiation electrode portion 35 of the first heat radiation electrode member 32 is joined to the electrode member 16 arranged below.
- the plate thickness of the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 can be about 0.1 to 0.3 mm. These thicknesses are set in consideration of workability for forming the louvers 26 and 36.
- the plate thickness of the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 is thinner than the electrode member 16 in consideration of heat exchange performance and workability as a heat exchange member. This configuration also offers the advantage of light weight.
- Terminals 24a and 24b are electrically connected to the ends of the thermoelectric elements 12 and 13 disposed at the left and right ends shown in the figure, respectively.
- the positive terminal of a DC power supply (not shown) is connected to the terminal 24a, and the negative terminal is connected to the terminal 24b.
- a case member 28 for forming an air passage for accommodating the fins and the louvers 26 is arranged.
- a case member 38 for forming a ventilation passage accommodating the fins and the louvers 36 is arranged below in the figure. Air is supplied to these air passages from the illustrated blower. For example, the upper air passage in the figure supplies air to the room.
- the plurality of P-type thermoelectric elements 12 and the plurality of N-type thermoelectric elements 13 are electrically connected in series.
- the electrical connection is mainly provided by the electrode member 16, and the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 additionally provide the electrical connection.
- the electrode member 16, the first heat-absorbing electrode member 22, and the first heat-dissipating electrode member 32 constitute a heat transfer member, and transmit a low temperature or a high temperature generated by the Peltier effect. Further, the first heat absorbing electrode member 22 and the first heat radiation electrode member 32 provide a function as a heat exchange member with air.
- the lower electrode member 16 in the figure becomes hot due to the Peltier effect
- the upper electrode member 16 in the figure becomes cold due to the Peltier effect.
- the upper fin and the louver 26 in the figure provide an endothermic heat exchanging section which is an endothermic section, and cools the air which is the fluid to be cooled.
- the fins and the louvers 36 formed in the lower part of the figure provide a heat radiation heat exchange part which is a heat radiation part, and radiate heat to air which is a cooling fluid.
- thermoelectric element substrate 10 as a thermoelectric element assembly is manufactured.
- a plurality of thermoelectric elements 12 and 13 are arranged and fixed to the first insulating substrate 11.
- the electrode member 16 is soldered so that both end faces of the adjacent thermoelectric elements 12 and 13 are electrically connected in series.
- mounter device which is a manufacturing device for assembling semiconductors, electronic components, and the like to a circuit board.
- the thermoelectric element substrate 10 is subjected to an electrical continuity test at this stage.
- electrical inspection such as conduction failure between a plurality of components can be easily performed only with the thermoelectric element substrate 10.
- defective products can be extracted earlier than in the case where inspection is performed after combining with the heat absorption electrode substrate 20 and the heat radiation electrode substrate 30, and the assemblability in the post-process can be improved.
- the heat absorbing electrode substrate 20 and the heat radiating electrode substrate 30 as the heat exchange element assembly are manufactured.
- the heat-absorbing electrode substrate 20 is manufactured by mounting a plurality of first heat-absorbing electrode members 22 in substrate holes provided in the second insulating substrate 21.
- the radiating electrode substrate 30 is manufactured by mounting a plurality of first radiating electrode members 32 in substrate holes provided in the third insulating substrate 31.
- the bottom surface of the heat absorbing electrode portion 25 is disposed so as to be substantially flush with the plane of the second insulating substrate 21 or to project slightly therefrom.
- the bottom surface of the heat radiation electrode part 35 is disposed so as to be slightly flush with the plane of the third insulating substrate 31 so as to be substantially flush with the plane.
- thermoelectric element substrate 10 is laminated between the heat absorption electrode substrate 20 and the heat radiation electrode substrate 30 so as to sandwich the thermoelectric element substrate 10 therebetween.
- one heat absorbing electrode part 25 is arranged corresponding to one electrode member 16
- one heat radiation electrode part 35 is arranged corresponding to one electrode member 16.
- the heat absorbing electrode portion 25 and the electrode member 16 and the heat dissipating electrode portion 35 and the electrode member 16 are electrically and heat-transferably connected. In this embodiment, they are joined by soldering.
- the thermoelectric element substrate 10 is sandwiched between the heat absorption electrode substrate 20 and the heat radiation electrode substrate 30. Adopt the method.
- one of the heat absorbing electrode substrate 20 and the heat dissipating electrode substrate 30 may be configured without a fin. Such a configuration can be employed, for example, in heat transfer or heat exchange applications. Even with a powerful configuration, productivity is improved as in this embodiment.
- the sealing material is an electrically insulating resin material.
- the sealing material is provided by a potting process.
- the sealing material provides airtightness so that dewed water does not leak to the electrode member 16 side when dew condensation due to heat absorption occurs. As a result, it is possible to suppress damage due to corrosion in the thermoelectric elements 12 and 13 and their connection parts. Furthermore, it is possible to suppress invasion of the thermoelectric elements 12 and 13 such as water vapor, chemicals, dust, and foreign matter.
- the sealing material can be applied to the outer surface of the first heat absorbing electrode member 22 and the gap between the first heat absorbing electrode member 22 and the second insulating substrate 21. Further, the sealing material can be applied to such an extent that the sealing material accumulates in the concave portion on the back side of the heat absorbing electrode section 25.
- the sealing material can also be applied to the heat radiation electrode substrate 30.
- thermoelectric element substrate 10 the heat absorption electrode substrate 20, and the heat radiation electrode substrate 30 provide a partition wall between the low temperature side and the high temperature side.
- the septum serves as a septum that blocks unwanted flow between the air passages and as a septum that blocks heat transfer between the cold side and the hot side.
- air layers are provided between at least one of the heat absorbing electrode substrate 20 and the heat radiation element substrate 30, between the heat absorbing electrode substrate 20 and the thermoelectric element substrate 10, and at least one between the heat radiation electrode substrate 30 and the thermoelectric element substrate 10. It is formed. This air layer provides a thermal barrier between the cold side and the hot side. As a result, a sufficient thermal cutoff between the low temperature side and the high temperature side is obtained.
- thermoelectric conversion device of the present embodiment only the bottom surface of the first heat absorbing electrode member 22 is exposed from the second insulating substrate 21 toward the thermoelectric elements 12, 13; First Heat transfer to the heat absorbing electrode member 22 can be suppressed.
- the amount of protrusion of the electrode members 22 and 32 from the insulating substrates 21 and 31 can be suppressed, and undesirable heat transfer from the thermoelectric elements 12 and 13 can be suppressed.
- the upper heat-absorbing electrode section 25 and the lower heat-dissipating electrode section 35 are partitioned, so that heat transfer to the high-temperature side and the low-temperature side can be prevented.
- each of the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 is manufactured as an independent component, and then assembled integrally with the second and third insulating substrates 21 and 31.
- a manufacturing process using a corrugated component including a plurality of heat absorbing electrode portions 25 or heat radiating electrode portions 35 may be employed.
- one corrugated component provides a plurality of electrode members 22 and 32 corresponding to a plurality of thermoelectric element groups arranged in at least one row.
- a step of assembling the corrugated component on the insulating substrates 21 and 31 and then cutting the corrugated component into a plurality of electrode members 22 and 32 may be employed.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 can be molded by a relatively simple method such as roller molding. Further, since the plurality of first heat absorbing electrode members 22 or first heat radiating electrode members 32 are obtained by handling one corrugated component, the work of assembling the second and third insulating substrates 21 and 31 is easy. become.
- the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 are assembled in the substrate holes provided in the second and third insulating substrates 21 and 31, but instead of this, After arranging the plurality of first heat absorbing electrode members 22 and first heat radiating electrode members 32, the second insulating substrate 21 and the third insulating substrate 31 may be integrally formed by, for example, insert molding.
- the positive terminal of the DC power supply may be connected to the terminal 24b, and the negative terminal may be connected to the terminal 24a.
- the upper side in the figure forms the heat radiation heat exchange section
- the lower side in the figure forms the heat absorption heat exchange section.
- the present invention can take the following embodiments.
- the embodiment described below indicates the possibility of deformation of the component in the first embodiment.
- components having the same function or the same shape as the components described in the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted.
- the electrode member 16 is formed integrally with the thermoelectric element substrate 10.
- the electrode member 16 is assembled integrally with the heat absorption electrode substrate 20 and the heat radiation electrode substrate 30.
- the heat absorption electrode substrate 20 includes the electrode member 16 joined to the heat absorption electrode portion 25 of the first heat absorption electrode member 22.
- the heat radiation electrode substrate 30 includes the electrode member 16 joined to the heat radiation electrode portion 35 of the first heat radiation electrode member 32.
- Such a configuration is obtained by inserting the first heat absorbing electrode member 22 and the electrode member 16 into the hole 24 of the second insulating substrate 21. Further, it is obtained by inserting the first heat radiation electrode member 32 and the electrode member 16 into the hole 34 of the third insulating substrate 31.
- the thermoelectric element substrate 10 without the electrode member 16 is disposed between the heat absorbing electrode substrate 20 and the heat radiation electrode substrate 30, and after being laminated, the electrode member 16 and the thermoelectric elements 12, 13 are connected. You.
- the electrode member 16 hardly protrudes from the plane of the second insulating substrate 21. Further, the electrode member 16 hardly protrudes from the plane of the third insulating substrate 31. As a result, undesirable heat transfer from the side surfaces of the electrode member 16 can be suppressed.
- the electrode member 16 when molding the second insulating substrate 21, the electrode member 16 may be insert-molded, and then the first heat-absorbing electrode member 22 may be inserted into the hole 24. Similarly, when molding the third insulating substrate 31, the electrode member 16 may be insert-molded, and then the first heat radiation electrode member 32 may be inserted.
- an electrode substrate 40 is provided between the thermoelectric element substrate 10 and the heat absorbing electrode substrate 20, and between the thermoelectric element substrate 10 and the heat radiation electrode substrate 30.
- a plurality of electrode members 16 are arranged on the electrode substrate 40.
- the electrode substrate 40 holds a plurality of electrode members 16.
- the electrode substrate 40 is obtained by insert-molding a plurality of electrode members 16 on a fourth insulating substrate 41 made of an insulating material.
- the plurality of electrode members 16 may be inserted into the holes of the fourth insulating substrate 41 and assembled.
- the thermoelectric element substrate 10 has only the thermoelectric elements 12 and 13 arranged.
- the heat absorption electrode substrate 20, the electrode substrate 40, the thermoelectric element substrate 10, the electrode substrate 40, and the heat radiation electrode substrate 30 are arranged in this order. Laminated.
- the components are arranged in a predetermined positional relationship so as to provide the same electrical and thermal connection as in the above embodiment. According to this embodiment, the plurality of electrode members 16 can be easily handled, and the assemblability can be improved.
- the electrode member 16 and the heat absorbing electrode portion 25 and the electrode member 16 and the heat radiation electrode portion 35 were joined by soldering.
- an insulating layer is formed between the electrode member 16 and the heat absorbing electrode part 25 and between the electrode member 16 and the heat radiation electrode part 35.
- an insulating film layer 17 which is also an insulating film having an electrical insulating effect is formed on one surface of the electrode member 16.
- the insulating coating layer 17 can be arranged by laminating insulating films.
- the material of the insulating coating layer 17 is selected in consideration of excellent electrical insulation and excellent heat transfer.
- a layer formed by a film forming process such as a ceramic paint or an electrodeposition electrodeposition coating may be adopted. Further, an insulating coating or an oxide film may be formed only on the surface of the electrode member 16.
- the second insulating substrate 21 and the third insulating substrate 31 are arranged at ends separated from the thermoelectric elements 12 and 13.
- the heat-absorbing electrode substrate 20 is configured by disposing a second insulating substrate 21 at an end of a first heat-absorbing electrode member 22 opposite to the heat-absorbing electrode section 25.
- the heat radiation electrode substrate 30 is configured by arranging a third insulating substrate 31 at an end of the first heat radiation electrode member 32 opposite to the heat radiation electrode portion 35.
- the second insulating substrate 21 holds a plurality of first heat absorbing electrode members 22.
- the third insulating substrate 31 holds a plurality of first heat radiation electrode members 32. According to this configuration, the second insulating substrate 21 and the third insulating substrate 31 form an air passage.
- FIG. 11 is a sectional view showing a sixth embodiment to which the present invention is applied.
- the adjacent thermoelectric elements 12 and 13 are joined only by the heat-absorbing electrode section 25 and the heat-dissipating electrode section 35 which are integrally formed with the fin as a heat exchange member without providing the electrode member 16.
- the heat-absorbing electrode section 25 and the heat-dissipating electrode section 35 are provided with a thickness necessary for suppressing electric resistance. According to this configuration, the number of components can be reduced. Also, since the thermal resistance of the junction is small, the efficiency of thermoelectric conversion can be improved.
- the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 are manufactured using a plate made of a conductive metal such as a copper material.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 are entirely provided as current-carrying members for current-carrying.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 have a generally comb-like shape as a whole.
- the main one is formed as a member having a W-shaped cross section.
- the W-shaped member is joined to thermoelectric elements 12, 13 whose two bottom surfaces are to be connected in series.
- the first heat-absorbing electrode member 22 is formed in a W-shape so as to have two heat absorbing electrode portions 25 at a lower end and a connecting portion 23 at an upper end for electrically connecting the two heat absorbing electrode portions 25. ing.
- the upper end including the connection part 23 is fixed to the second insulating substrate 21.
- the plurality of first heat absorbing electrode members 22 are electrically insulated.
- the non-connection portion 23a shown in FIG. 12 electrically insulates between the adjacent first heat absorbing electrode members 22.
- the two first heat absorbing electrode members 22 disposed on the left and right ends in the figure are formed in a U-shape. They have one endothermic electrode section 25 at the lower end and terminals 24a, 24b at the upper end.
- the first heat radiation electrode member 32 arranged on the heat radiation electrode substrate 30 is formed in the same manner as the first heat absorption electrode member 22 described above.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 are provided with corrugated fins 26 and 36 as heat-absorbing portions and heat-dissipating portions.
- the corrugated fins 26 and 36 are formed by bending a metal plate having good thermal conductivity, such as a copper plate, into a corrugated shape.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 of this embodiment may be manufactured in a continuous wavy member force also at the non-connection portions 23a and 33a. For example, after fixing a wavy member having a plurality of peaks and valleys to the second insulating substrate 21, the non-connection portions 23a and 33a may be cut. According to this step, the assembling work can be easily performed.
- FIG. 14 shows an eighth embodiment to which the present invention is applied.
- the first heat-absorbing electrode member 22 and the first heat-dissipating electrode member 32 are formed in a substantially U-shape. Except for the first heat dissipating power members 32 arranged at both ends of the U-shaped bottom force, the U-shaped bottom force is joined to the adjacent heat transfer elements 12 and 13.
- This embodiment has the advantage that it can provide a simpler configuration than the embodiment shown in FIGS.
- FIG. 15 shows a ninth embodiment to which the present invention is applied.
- FIG. 15 shows a method for manufacturing a thermoelectric element array including the first insulating substrate 11 and the thermoelectric elements 12 and 13.
- thermoelectric elements 12 First, a plurality of rod-shaped P-type thermoelectric elements 12 and a plurality of rod-shaped N-type thermoelectric elements 13 are prepared.
- thermoelectric element substrate 10a The plurality of rod-shaped P-type thermoelectric elements 12 and the plurality of rod-shaped N-type thermoelectric elements 13 are alternately arranged and fixed in a molding die. Thereafter, an insulating material is injected into the mold. As a result, a molded body as shown in the figure is obtained. This molded body is called a pre-cut thermoelectric element substrate 10a. Next, the formed body is cut so as to have a predetermined thickness. As a result, a plurality of thermoelectric element arrays can be obtained from one compact. This facilitates the production of the thermoelectric element substrate 10.
- the rod-shaped thermoelectric elements 12, 13 are relatively brittle to the molding pressure.
- a plurality of blocks may be laminated to produce a molded body as shown in FIG.
- the plurality of grooved blocks 15 are formed with a plurality of grooves for arranging the rod-shaped P-type thermoelectric elements 12 and the rod-shaped N-type thermoelectric elements 13. After the rod-shaped P-type thermoelectric elements 12 and the rod-shaped N-type thermoelectric elements 13 are arranged in these grooved blocks 15, they are laminated and joined.
- FIG. 17 and FIG. 18 show a tenth embodiment of the present invention.
- the electric element 12 and the N-type thermoelectric element 13 are arranged in advance on either the heat absorbing electrode section 25 or the heat dissipating electrode section 35 to form a plurality of units, and a plurality of these units are arranged to form a thermoelectric conversion device. Constitute.
- the heat absorbing electrode substrate 20 has a first heat absorbing electrode member 22.
- the first heat absorbing electrode member 22 includes a flat heat absorbing electrode portion 25, and a heat absorbing heat exchanging member 22a thermally connected to the heat absorbing electrode portion 25 and exchanging heat with air. .
- the heat absorbing electrode section 25 is fixed to one surface of the second insulating substrate 21.
- the endothermic heat exchange member 22a is formed in a bracket shape. The two arms of the endothermic heat exchange member 22a penetrate the second insulating substrate 21. The two arms of the heat-absorbing heat exchanging member 22a are mechanically and thermally connected to both sides of the heat-absorbing electrode portion 25.
- the heat-absorbing heat exchanging member 22a has a joint 27 connected to the heat-absorbing electrode section 25.
- the second insulating substrate 21 and the electrode portion 25 are provided with a bonding portion 27 penetrating therethrough and provided with a bonding hole 21a for providing mechanical and thermal connection.
- the heat radiation electrode substrate 30 has a first heat radiation electrode member 32.
- the first radiating electrode member 32 includes a flat plate-shaped radiating electrode portion 35, and a radiating heat exchange member 32a thermally connected to the radiating electrode portion 35 and exchanging heat with air. .
- the heat radiating heat exchanging member 32a has a joint 37 connected to the heat radiating electrode part 35.
- a joint portion 37 is disposed so as to penetrate therethrough, and a joint hole 31a for providing mechanical and thermal connection is provided.
- the first heat radiation electrode member 32 has the same configuration as the first heat absorption electrode member 22.
- thermoelectric elements 12, 13 are arranged and fixed on one of the planes of the heat absorption electrode section 25 and the heat radiation electrode section 35. Therefore, the thermoelectric element group is formed by arranging the P-type thermoelectric elements 12 and the N-type thermoelectric elements 13 on the heat absorption electrode substrate 20 or the heat radiation electrode substrate 30. Also in this configuration, a configuration in which a thermoelectric element group is interposed between the heat absorbing electrode substrate 20 and the heat radiation electrode substrate 30 is provided.
- thermoelectric conversion device a method for assembling the thermoelectric conversion device will be described.
- the heat radiation electrode substrate 30 is assembled.
- the thermoelectric elements 12 and 13 are alternately arranged on the heat dissipating electrode section 35 arranged on the heat dissipating electrode substrate 30 so as to form a thermoelectric element group.
- the heat-absorbing electrode substrate 20 is assembled before or after the above step or at the same time.
- the heat absorbing electrode substrate 20 is It is laminated on the element group.
- the heat radiating heat exchanging member 32a and the heat absorbing heat exchanging member 22a are assembled by inserting the joining portions 27 and 37 into the joining holes 21a and 3la. The assembled body is brought into a furnace for soldering.
- thermoelectric elements 12, 13 and the heat radiation electrode section 35 between the plurality of thermoelectric elements 12, 13 and the heat absorption electrode section 25, the bonding section 27, and the heat absorption electrode section 25, and between the joining portion 37 and the heat absorbing electrode portion 25 by soldering.
- thermoelectric elements 12 and 13 may be bonded in advance to either one of the heat radiation electrode portion 35 and the heat absorption electrode portion 25.
- a step of assembling such an electrode part with a thermoelectric element to the insulating substrates 21 and 31 may be adopted.
- several louvers may be used instead of corrugated fins.
- thermoelectric conversion device of this embodiment the assembling work is facilitated. Also, good thermal conductivity is obtained. Further, the work of assembling the plurality of heat exchange members 32a and 22a is easy.
- FIG. 19 shows an eleventh embodiment.
- the first heat absorbing electrode member 22 and the first heat radiating electrode member 32 are fitted to the thermoelectric element substrate 10.
- protruding projections l la and l ib are formed between the P-type thermoelectric element 12 and the N-type thermoelectric element 13 arranged adjacent to each other.
- the heat-absorbing electrode section 25 and the heat-dissipating electrode section 35 are formed with fitting portions 25b and 35b that fit with the convex portions ib. Then, the fitting portions 25b and 35b are fitted to the protruding portions lib.
- the thermoelectric element substrate 10 is positioned between the first heat absorbing electrode member 22 and the first heat dissipating electrode member 32.
- the protrusion 11a is a protrusion that electrically insulates the adjacent first heat absorption electrode member 22 and first heat radiation electrode member 32.
- first heat-absorbing electrode member 22 and first heat-dissipating electrode member 32 are positioned by fitting into convex portions ib provided on thermoelectric element substrate 10. For this reason, the electrical connection between the thermoelectric elements 12 and 13 fixed to the first insulating plate 11 and the heat radiation electrode section 35 and the heat absorption electrode section 25 can be reliably provided.
- the plurality of first heat-absorbing electrode members 22 and first heat-dissipating electrode members 32 may be connected by a second insulating substrate and a third insulating substrate, as in the above-described embodiment. (Twelfth Embodiment)
- first endothermic electrode member 22 is provided by connecting a plurality of members.
- the same configuration is adopted for the first heat radiation electrode member 32.
- the configuration of this embodiment may be employed for one of the first heat absorbing electrode member 22 and the first heat dissipating electrode member 32.
- the first heat absorption electrode member 22 will be described, and the reference numerals of the corresponding portions of the first heat radiation electrode member 32 will be shown in parentheses.
- the first heat absorbing electrode member 22 (32) is formed by joining two second heat absorbing electrode members 221 (321) and one third heat absorbing electrode member 222 (322).
- the length and bending direction of the second endothermic electrode member 221 (321) and the third endothermic electrode member 222 (322) are different from each other. They have a flat heat absorbing electrode section 25 (35) and a heat absorbing section 26 (36) for heat exchange with air.
- the heat absorbing portion 26 (36) provides a fin and a louver.
- the second heat-absorbing electrode member 221 (321) and the third heat-absorbing electrode member 222 (322) are arranged so as to penetrate the second insulating substrate 21 (31), and are bent in an L-shape to form the second insulating substrate 21 (31).
- the length of the heat-absorbing electrode portion 25 (35) of the third heat-absorbing electrode member 222 (322) can be the length extending over the adjacent thermoelectric elements 12, 13.
- the heat absorbing electrode portion 25 (35) of the second heat absorbing electrode member 221 (321) is set shorter.
- the heat-absorbing electrode portions 25 (35) bent and laminated in an L-shape are joined by soldering.
- the second heat absorbing electrode member 221 (321) and the third heat absorbing electrode member 222 (322) are manufactured. These are manufactured by a coil-shaped conductive material, for example, a copper material pressing process.
- a plurality of electrode members 221 and 222 (321, 322) each having a flat heat absorbing electrode portion 25 (35) and a heat absorbing portion 26 (36) having a louver are connected to a connecting portion 223. It is manufactured in a connected state at (323).
- the connecting portions are connected such that the heat absorbing electrode portion 25 (35) has a predetermined length.
- 223 (323) is cut to produce a plurality of second heat absorbing electrode members 221 (321) and third heat absorbing electrode members 222 (322).
- the second heat absorbing electrode member 221 (321) and the third heat absorbing electrode member 222 (322) are press-fitted into rectangular holes formed in the second insulating substrate 21 (31), and the heat absorbing electrode portions 25 (35) Is protruded by the required length.
- the bending force is applied in the order of a to c in the figure. After applying the solder paste to the surface of the heat absorbing electrode section 25 (35), a bending force can be applied.
- the heat absorbing electrode portion 25 (35) of the third heat absorbing electrode member 222 (322) and the heat absorbing electrode portion 25 (35) of the second heat absorbing electrode member 221 (321) are arranged so as to overlap each other. , Can be attached. As a result, the structure shown in FIG. 22 is obtained.
- At least one second heat absorbing electrode member 221 (321) and one third heat absorbing electrode member 222 (322) are joined to form a heat absorbing electrode member 22 (32).
- the two endothermic electrode portions 25 (35) may have a configuration in which their end faces are abutted, instead of being stacked.
- the heat-absorbing electrode substrate 20 or the heat-dissipating electrode substrate 30 thus manufactured can be used in any of the above-described embodiments.
- FIG. 25 shows a thirteenth embodiment to which the present invention is applied.
- a plurality of engagement holes 14 are previously formed in the first insulating substrate 11 at positions where the thermoelectric elements 12 and 13 are to be arranged. Then, for example, the thermoelectric elements 12 and 13 are alternately pressed into the engagement holes 14 by an assembling process using a robot.
- FIG. 26 shows a fourteenth embodiment to which the present invention is applied.
- at least one of the thermoelectric element substrate 10, the heat absorption electrode substrate 20, and the heat radiation electrode substrate 30 is provided by combining a plurality of unit assemblies.
- Fig. 26 shows that the thermoelectric element substrate 10 has three unit assemblies. This shows a case where the physical strength is configured.
- This embodiment can be understood as a structure in which the thermoelectric element substrate 10 of the above embodiment is divided into three.
- a thermoelectric element substrate 10 composed of three unit assemblies is arranged between one endothermic electrode substrate 20 and one radiating electrode substrate 30.
- the unit assemblies each have connecting portions 24a and 24b. They are electrically connected in series or in parallel.
- the other substrates 20, 30, and 40 in the above embodiment may be configured with a plurality of unit assembly forces.
- the thermoelectric conversion device may be configured with a plurality of unit assembly forces.
- each unit assembly adopts the configuration shown in any of the embodiments. By employing a configuration having a plurality of unit assemblies, thermal distortion can be reduced.
- thermoelectric converter according to a fifteenth embodiment of the present invention will be described.
- components having the same functions or the same shapes as those described in the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted.
- FIG. 27 to FIG. 31 are cross-sectional views of the present embodiment.
- FIG. 32 shows the manufacturing process of this embodiment.
- the heat-dissipation-side heat exchange unit is arranged on the upper side in the figure.
- parallel protruding offset louvers 26a and 36a are employed for plate-like fins as heat exchange portions.
- the shapes of the offset louvers 26a and 36a are clearly shown in FIGS. 28 to 30, which are a plan view, a side view, and a sectional view.
- FIG. 31 shows an arrangement of a plurality of P-type thermoelectric elements 12 and N-type thermoelectric elements 13 arranged in a grid pattern.
- the manufacturing process of this embodiment is shown in FIG.
- the manufacturing process includes a manufacturing process of the thermoelectric element substrate 10, a manufacturing process of the heat absorbing electrode substrate 20, a manufacturing process of the heat radiating electrode substrate 30, a thermoelectric device substrate 10, the heat absorbing electrode substrate 20, and the heat radiating electrode substrate 30. And a joining step of joining them all at once.
- FIG. 32 illustrates a manufacturing process of the heat absorbing electrode substrate 20 and a joining process.
- the manufacturing process of the heat radiation electrode substrate 30 is the same as that of the heat absorption electrode substrate 20.
- the upper left block shows a plate material supply step.
- a plate material 20a wound in a coil shape is supplied.
- Plate material 20a is supplied to the next pressing process .
- an offset louver 26a is formed by a press machine.
- the upper part in each block in FIG. 32 shows a plan view, and the lower part shows a side view.
- the plate material is bent into a U-shaped cross section.
- a cutting step each electrode member 22 is cut into a shape.
- the electrode member 22 is formed by selectively combining processing such as shearing, bending, and outer shape cutting with a plate material and knitting.
- the plurality of electrode members 22 are manufactured.
- the electrode member 22 is inserted into a rectangular hole formed in the insulating substrate 21.
- an adhesive is applied to the inner wall surface of the hole of the insulating substrate 21.
- FIG. 32 shows how a jig is arranged in the electrode member 22 and inserted into the hole.
- the electrode member 22 is inserted into each of the plurality of holes. Therefore, the electrode member 22 is bonded to the hole.
- an endothermic electrode substrate 20 holding a plurality of electrode members 22 is manufactured.
- thermoelectric element substrate 10 the heat absorption electrode substrate 20, and the heat radiation electrode substrate 30 are stacked.
- a solder material is disposed between the electrode members 22 and 32 and the thermoelectric elements 12 and 13 in advance. After the laminating process, the whole is heated, the solder is melted, and the solder is hardened again, so that a plurality of joints are joined at once.
- the electrode member 22 can be slightly moved in the hole of the insulating substrate 21. Therefore, even if there is a dimensional error of the electrode member 22, a dimensional error of the insulating substrate 21, or a deformation, the errors are absorbed, the electrode member 22 is arranged at a predetermined position, and the process is performed in a joining process by soldering. And can be securely joined.
- a configuration in which the electrode member 22 is press-fitted into the hole of the insulating substrate 21 may be adopted. Also in this case, an adhesive can be applied to the holes in advance. The hole formed in the insulating substrate 21 and the electrode member 22 are tightly fitted.
- FIG. 33 shows a seventeenth embodiment.
- FIG. 33 is a cross-sectional view showing a configuration for temporarily fixing insulating substrate 21 and electrode member 22.
- the same configuration can be adopted between the insulating substrate 31 and the electrode member 32.
- the base 25a of the electrode member 22 is formed in a curved shape.
- the root 25a provides an elastic force.
- the root portions 25a are formed on both sides of the electrode portion 25. In this configuration, the electrode member 22 is pressed into the hole of the insulating substrate 21.
- the root 25a is elastically deformed, and the electrode member 22 is held in the hole.
- FIG. 34 shows a modification of the seventeenth embodiment.
- the insulating substrate 21 has a tapered hole.
- the curved root 25a is also retained in a tapered hole to provide sufficient elasticity.
- the electrode member 22 can be slightly moved in the hole of the insulating substrate 21 by the elastic deformation of the root portion 25a. Therefore, even if there is a dimensional error of the electrode member 22, a dimensional error of the insulating substrate 21, or a deformation, the errors are absorbed, the electrode member is arranged at a predetermined position, and the electrodes are securely joined in the joining process by soldering. can do.
- FIG. 35 and FIG. 36 show an eighteenth embodiment.
- 35 and 36 are cross-sectional views showing a configuration for temporarily fixing the insulating substrate 21 and the electrode member 22.
- FIG. FIG. 35 is a cross-sectional view from the side
- FIG. 36 is a cross-sectional view.
- the same configuration can be adopted between the insulating substrate 31 and the electrode member 32.
- a projection 21 a that engages with the electrode member 22 is provided on the inner surface of the hole of the insulating substrate 21.
- the electrode member 22 is pressed into the hole of the insulating substrate 21 and engages with the projection 21a at a predetermined position. As a result, the electrode member 22 is positioned.
- the electrode member 22 is slightly movable in the hole of the insulating substrate 21. For this reason, even if there is a dimensional error of the electrode member 22, a dimensional error of the insulating substrate 21, or a deformation, the error is absorbed, the electrode member 22 is arranged at a predetermined position, and a process for soldering is performed. The joint can be reliably formed.
- an electrode member 22 having the shape shown in FIGS. 37 and 38 can be adopted.
- 37 and 38 show a side view and a bottom view of the electrode member 22.
- FIG. A similar configuration can be adopted for the electrode member 32.
- the electrode member 22 of this embodiment is formed in a shape that can be called a cylindrical shape or a box shape.
- the cylindrical electrode member 22 acts like a panel and is held by its own elasticity in the hole of the insulating substrate.
- the electrode member 22 can be obtained by molding a plate material. At the joint, for example, a dovetail fitting 25b as shown is provided. You can do it.
- thermoelectric conversion device according to a twentieth embodiment of the present invention will be described.
- components having the same functions or the same shapes as those described in the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted.
- FIG. 39 shows a cross-sectional view of the present embodiment.
- FIG. 40 is an enlarged sectional view of the electrode member.
- FIG. 41 is an enlarged side view of the electrode member.
- the heat absorbing electrode member 22 and the heat radiating electrode member 32 have protrusions for engaging with the insulating substrates 21 and 31.
- the heat absorption electrode member 22 and the heat radiation electrode member 32 have the same shape. Therefore, their shapes will be described in detail using the heat absorbing electrode member 22 as an example.
- the heat absorbing electrode member 22 is formed in a U-shaped cross section.
- the heat-absorbing electrode member 22 has a rectangular plate-shaped electrode portion 25 connected to the thermoelectric elements 12 and 13, and two fin portions rising substantially perpendicularly from both ends of the electrode portion 25.
- the fin portion is plate-shaped, and has a louver 26 formed thereon to promote heat exchange.
- a concave portion is formed in a portion where the fin portion and the insulating substrate 21 face each other. This recess engages with the hole 21 a of the insulating substrate 21.
- the heat absorbing electrode member 22 is provided with a portion that is larger than the hole 21a on the surface of the insulating substrate 21 on the side of the thermoelectric elements 12 and 13, and also on the surface of the insulating substrate 21 on the side opposite to the thermoelectric elements 12 and 13. It is provided with a part that expands more than the hole 21a. As a result, the heat absorbing electrode member 22 is engaged with and held by the insulating substrate 21.
- the tips of the fin portions on both sides of the heat absorbing electrode member 22 are bent inward so as to approach each other. However, there is enough space between the tips. From between the tips, almost all of the back of the electrode part 25 can be seen. As a result, it is possible to linearly reach the back surface of the electrode unit 25.
- the heat absorbing electrode member 22 has a spherical projection 22a before being assembled to the insulating substrate 21.
- the protruding portion 22a protrudes outward along the planar direction of the electrode portion 25 toward both sides of the heat absorbing electrode member 22.
- These protruding portions 22a provide a portion on the surface of the insulating substrate 21 on the thermoelectric element 12, 13 side, which is larger than the hole 21a.
- the heat absorbing electrode member 22 is formed thin near the electrode section 25. The constriction is formed. In the figure, a portion which is larger than the hole 21a is provided on the surface of the stepped force insulating substrate 21 opposite to the thermoelectric elements 12 and 13 above the constricted portion.
- the protrusion 22a may have a triangular cross section.
- the tip of the mounter device reaches the back of the electrode unit 25.
- the distal end of the mounter device holds the back surface of the electrode unit 25, transports the heat absorbing electrode member 22, and assembles it to the second insulating substrate 21.
- the tip of the mounter device can be pinched by sucking the back side of the electrode unit 25.
- the heat absorbing electrode member 22 is formed in the shape shown in the figure, it is mounted on the insulating substrate 21 by a mounter device.
- a mounter device a generally available device for assembling electronic components or a robot device can be used.
- the mounting device sequentially press-fits the plurality of heat absorbing electrode members 22 into the holes 21a of the second insulating substrate 21.
- the protrusion 22a is deformed within the range of its elasticity. Therefore, the heat absorbing electrode member 22 pressed into the insulating substrate 21 is held without falling off the insulating substrate 21.
- the laminating step and the joining step are performed as in the above-described embodiment.
- FIG. 42 shows a cross-sectional view of the electrode member of the present embodiment.
- FIG. 43 is a side view of the electrode member.
- FIG. 44 is a bottom view of the electrode member.
- the heat absorption electrode member 22 and the heat radiation electrode member 32 have the same shape.
- the electrode members 22 and 32 of this embodiment can be used in place of the electrode members of the above embodiment.
- a tongue-shaped protrusion 22b which is larger than the hole 21a of the insulating substrate 21 is formed.
- the protruding portion 22b is deformed in an elastic region together with the electrode portion 25, and provides a portion which is larger than the hole 21a on the surface of the insulating substrate 21 on the thermoelectric element 12, 13 side.
- the protrusion 22b is a plate made of the material of the electrode member 22. It can be formed by making an arc-shaped cut in the material and then bending the base of the arc approximately at a right angle.
- the protruding portion 22b is formed outside the electrode portion 25.
- FIG. 45 shows a cross-sectional view of the electrode member of the present embodiment.
- FIG. 46 is a side view of the electrode member.
- the entire heat absorbing electrode member 22 and the heat radiating electrode member 32 are configured as energizing paths.
- the electrode members 22 and 32 are formed in a U-shape, and electrode portions 25 and 35 are provided at the tips of both arms.
- corrugated fins 126 and 136 are sandwiched between the arms of the U-shaped electrode members 22 and 32 to promote heat exchange.
- the electrode portion 25 is formed by inserting both arms of the electrode members 22 and 32 into the holes 21a and 31a of the insulating substrates 21 and 31, and then bending the protruding portion into an L shape at right angles. You. In this embodiment, the protruding portions are bent inward so as to approach each other.
- the handling of the electrode members 22, 32 is easy. Therefore, productivity in the assembling process can be improved.
- FIG. 47 shows a cross-sectional view of the electrode member of the present embodiment.
- FIG. 48 is a side view of the electrode member.
- the entire heat absorbing electrode member 22 and the heat dissipating electrode member 32 are configured as energizing paths.
- the electrode members 22 and 32 are formed in a U-shape, and electrode portions 25 and 35 are provided at the tips of both arms.
- louvers 26 and 36 are formed on both arms of the U-shaped electrode members 22 and 32, respectively.
- the electrode portions 25 and 35 are formed by bending both arms of the electrode members 22 and 32 at right angles so as to spread outward.
- the electrode members 22 and 32 have a shape having the flange-shaped electrode portions 25 and 35. Such a shape can be called, for example, a substantially hat shape.
- the electrode members 22, 32 are pinched by the mounter device so as to close both arms, as shown in FIG. As a result, the interval between the two electrode portions 25 is reduced, and insertion into the hole 21a becomes possible. After the electrode members 22 and 32 are inserted into the holes 21a and 31a, the electrode members 22 and 32 are used for the return force due to their own elasticity or the process of forcibly expanding both arms. The shape becomes more illustrated.
- the handling of the electrode members 22 and 32 is easy. Therefore, productivity in the assembling process can be improved.
- thermoelectric converter according to a twenty-fourth embodiment of the present invention will be described.
- components having the same functions or the same shapes as those described in the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted.
- FIG. 49 shows a sectional view of the present embodiment.
- FIG. 50 shows an exploded view of the present embodiment.
- FIG. 51 is a partially enlarged sectional view of the present embodiment.
- the heat-absorbing electrode substrate 20 and the heat-dissipating electrode substrate 30 have substantially the same configuration except for the arrangement of the electrode members.
- the heat absorbing electrode member 22 will be mainly described, and the reference numerals of the configuration on the heat radiation side are shown in parentheses.
- the heat absorbing electrode member 22 and the heat radiating electrode member 32 have the same shape.
- the heat absorbing electrode member 22 (32) is formed in a simple U-shaped cross section. Corrugated fins 126 (136) are held between the arms of the heat absorbing electrode member 22 (32). Both arms of the heat absorbing electrode member 22 (32) and the corrugated fin 126 provide a heat exchange portion for heat exchange.
- the heat absorbing electrode members 22 (32) are arranged so as to protrude from the insulating substrate 21 (31) by a predetermined dimension.
- the protrusion amount L is managed so as to be equal to or less than a predetermined value.
- the endothermic electrode member 22 (32) can be positioned and fixed to the insulating substrate 21 (31) by bonding with an adhesive or mechanical engagement.
- the insulating substrate 21 (31) has a thickness of tl.
- the electrode portion 25 (35) of the heat absorbing electrode member 22 (32) has a thickness of t2.
- the protrusion amount L is managed so that the relational force (tl + t2)> L between the protrusion amount L and the thicknesses tl and t2.
- the protrusion amount L is set sufficiently smaller than the dimension (tl + t2).
- the protrusion amount L is substantially equivalent to the thickness t2 of the electrode portion 25 (35). It is effective to control at least the protrusion amount L of the heat absorbing electrode member 22. Rather, it is desirable that the heat radiation electrode member 32 receives much heat transfer, and in some cases, it is.
- the amount of protrusion of the electrode portion 25 (35) is suppressed, so that unnecessary heat is prevented from being transmitted to the electrode portion 25 (35).
- radiant heat from thermoelectric elements 12 and 13 Alternatively, heat transfer due to convection of air in the thermoelectric elements 12 and 13 can be suppressed.
- controlling the amount of protrusion L of the electrode portion 25 of the heat absorbing electrode member 22 on the low temperature side provides an advantage particularly for applications supplying a low temperature.
- FIG. 52 is a cross-sectional view of the twenty-fifth embodiment.
- the heat absorbing electrode member 22 is arranged so as to be recessed from the surface of the insulating substrate 21 on the thermoelectric element 12, 13 side.
- the thermoelectric elements 12 and 13 are arranged so as to protrude from the insulating substrate 11. This configuration is advantageous in that heat transfer from the thermoelectric elements 12 and 13 to the heat absorbing electrode member 22 is suppressed.
- FIG. 53 shows a sectional view of the present embodiment.
- the heat absorbing electrode substrate 20 is configured in the same manner as in the above-described embodiment.
- the heat radiation electrode substrate 30 is provided such that the insulating substrate 131 is separated from the thermoelectric elements 12 and 13.
- an air passage defined by the case member 27 is formed between the insulating substrate 11 and the insulating substrate 131.
- the thermoelectric elements 12 and 13 are arranged on the side of the heat-dissipating electrode substrate 30 so as to directly contact air serving as a heat exchange medium. This configuration is effective in promoting heat radiation from the thermoelectric elements 12 and 13.
- the distance between the thermoelectric elements 12 and 13 and the insulating substrate 21 on the heat absorbing side is set sufficiently smaller than the distance between the thermoelectric elements 12 and 13 and the insulating substrate 131 on the heat radiation side. are doing .
- This configuration provides the effect of suppressing heat transfer toward the heat absorbing side where the temperature is low and promoting heat transfer to the heat dissipation side where the temperature is high. Further, since a configuration is adopted in which air as a heat exchange medium on the heat radiation side is flown so as to be in direct contact with the thermoelectric elements 12 and 13, an effect of promoting heat radiation is additionally obtained.
- FIG. 54 is a sectional view of a thermoelectric converter according to a twenty-seventh embodiment of the present invention.
- the heat absorbing substrate 20 is composed of a metal plate 301 made of a good heat conductive material and a corrugated fin 302 joined to the metal plate 301.
- the heat radiating substrate 30 is composed of a metal plate 303 made of a good heat conductive material and a corrugated fin 304 joined to the metal plate 303.
- the plurality of thermoelectric elements 12, 13 of the thermoelectric element substrate 10 are connected in series by the plurality of electrode plates 16. Has been.
- an insulating layer 305 is formed on the surface of the metal plate 301 on the thermoelectric element substrate 10 side.
- an insulating layer 305 is also formed on the surface of the metal plate 303 on the thermoelectric element substrate 10 side.
- the heat absorbing substrate 20 is joined to the heat absorbing side of the thermoelectric element substrate 10 via an insulating layer 305.
- the heat-absorbing substrate 30 is connected to the heat dissipation side of the thermoelectric element substrate 10 via an insulating layer 305.
- a bonding material such as bonding with an adhesive or soldering can be adopted according to the material of the insulating layer 305.
- the first insulating substrate 11 suppresses heat transfer from the high temperature side to the low temperature side.
- the metal plates 301 and 303 are formed of a material having excellent heat conductivity such as copper, aluminum, silver, and brass.
- the insulating layer 305 can be provided by, for example, bonding an electrically insulating resin film. Further, as the insulating layer 305, a solid insulating film formed using a film formation method such as a diamond-like carbon coating (DLC) method can be employed. Further, the insulating layer 305 may be provided by forming a film of alumina (A1203) or aluminum nitride (A1N) by an aerosol deposition method. Alternatively, a ceramic coating, for example, a silica-alumina-based liquid ceramic may be applied by a dive method or the like, and dried to form a film.
- a ceramic coating for example, a silica-alumina-based liquid ceramic may be applied by a dive method or the like, and dried to form a film.
- FIG. 55 is a cross-sectional view showing a thermoelectric conversion device according to a twenty-eighth embodiment.
- the heat absorbing electrode member 22 and the heat radiating electrode member 32 are formed in a W shape. Then, the protrusion amount L from the insulating substrates 21 and 31 is managed. According to this configuration, the electrode portion for connecting between the adjacent thermoelectric elements 12 and 13 is not exposed toward the thermoelectric elements 12 and 13. Therefore, in particular, heat transfer to the heat absorbing electrode member 22 can be suppressed.
- FIG. 56 is a sectional view showing a thermoelectric conversion device according to a twenty-ninth embodiment.
- the heat absorbing electrode member 22 and the heat radiating electrode member 32 are configured to include a plurality of heat exchange fin members 326 and 336.
- the heat absorbing electrode member 22 includes an electrode member 325 and a plurality of heat exchange fin members 326 joined to the electrode member 325 so as to be able to conduct heat.
- the heat radiation electrode member 32 includes an electrode member 335 and a plurality of heat exchange fin members 336 joined to the electrode member 335 so as to be able to conduct heat.
- the protrusion amount L of the electrode members 325 and 335 is Managing.
- thermoelectric conversion device according to a thirtieth embodiment of the present invention will be described.
- components having the same functions or the same shapes as those described in the first embodiment will be denoted by the same reference numerals, and description thereof will be omitted.
- FIG. 57 shows a cross-sectional view of the present embodiment.
- the thermoelectric conversion device of this embodiment includes a thermoelectric element substrate 10, a heat absorbing electrode substrate 20, and a heat radiating electrode substrate 30.
- a heat-absorbing electrode substrate 20 and a heat-dissipating electrode substrate 30 are laminated on both surfaces of the thermoelectric element substrate 10, and thermal connection and electrical connection are performed.
- the heat-absorbing electrode substrate 20 and the heat-dissipating electrode substrate 30 are assembled from substantially the same components, except for the difference in arrangement according to the current path.
- the heat radiation electrode substrate 30 will be described as an example.
- the thermoelectric element substrate 10 is constituted by holding a plurality of P-type thermoelectric elements 12 and a plurality of N-type thermoelectric elements 13 by an insulating substrate 11 made of an electrically insulating resin material.
- the plurality of thermoelectric elements 12 and 13 are arranged in a grid or a matrix.
- the plurality of thermoelements 12 and 13 are alternately arranged along a predetermined energization path.
- the plurality of electrode members 16 connect the plurality of thermoelectric elements 12 and 13 in series along the energization path.
- Each of the electrode members 16 is joined to the adjacent P-type thermoelectric element 12 by soldering so as to bridge between the end face of the P-type thermoelectric element 12 and the end face of the N-type thermoelectric element 13.
- a plurality of heat exchange members 432 are joined to each electrode member 16 by soldering or an adhesive so as to conduct heat. These heat exchange members 432 are made of a metal material having excellent heat conductivity, such as copper or aluminum.
- the heat exchange member 432 is joined to the surface of the electrode member 16 on the side opposite to the thermoelectric elements 12 and 13.
- six heat exchange members 432 are joined to one electrode member 16.
- Three heat exchange members 432 are joined on the back side of the joining region of the electrode member 16 with the P-type thermoelement 12.
- Three heat exchange members 432 are joined to the back side of the joining region of the electrode member 16 with the N-type thermoelectric element 13.
- the heat exchange member 432 provides a plurality of heat transfer paths branched into a plurality from the vicinity of the thermoelectric elements 12 and 13. This configuration is the low temperature, provided by thermoelectric elements 12,13 Or it is advantageous for efficient heat transfer of high temperatures.
- the heat exchange member 432 of this embodiment is a plate member 432a obtained by molding a flat plate into an L shape.
- the plate member 432a extends in a direction perpendicular to the plane of the drawing.
- the plate member 432a provides an air passage in a direction perpendicular to the plane of the paper.
- Through holes are formed in these plate members 432a at positions near the base and near the ends. These through holes are formed in alignment over the plurality of plate members 432a. This provides a passage through the plurality of plate members 432a.
- Rod-shaped fixing members 431a, 431b made of an electrically insulating material are arranged in the through holes.
- the fixing members 431a and 43 lb frictionally engage with the plurality of plate members 432a, integrally connect the plurality of plate members 432a, fix them, and maintain the distance between them.
- the fixing members 431a and 431b are formed of glass epoxy, PPS resin, LCP resin, or PET resin, for example.
- thermoelectric element substrate 10 is manufactured.
- the plurality of electrode members 16 are joined so as to provide a predetermined conduction path.
- the fixing members 431a and 431b are arranged in the through holes of the plurality of plate members 432a so as to skew.
- the plurality of plate members 432a are arranged in a predetermined positional relationship as illustrated. As a result, a plurality of plate members 432a can be handled collectively.
- the heat-absorbing electrode substrate 20 and the heat-dissipating electrode substrate 30 are manufactured separately.
- the heat absorbing electrode substrate 20 and the heat radiating electrode substrate 30 are laminated.
- the plurality of plate members 432a and the plurality of electrode members 16 are simultaneously joined.
- FIG. 58 is a sectional view showing a thirty-first embodiment of the present invention.
- flat fixing members 431c and 431d are used instead of the rod-shaped fixing members 431a and 431b.
- the fixing members 431c and 431d are made of an insulating material.
- the fixing member 431c has a through hole at a position where the plate member 432a is to be disposed, and can be disposed through the plate member 432a.
- the plurality of plate members 432a are inserted into the fixing member 431c, fixed, and electrically insulated.
- the fixing member 43 Id may be disposed at a position where the plate member 432a is to be disposed so as to receive the tip of the plate member 432a.
- the plurality of plate members 432a are inserted into the fixing member 43Id, fixed, and electrically insulated.
- the fixing member 431c provides a partition wall parallel to the insulating substrate 11.
- the second fixing member 431d provides a case member together with the side walls 431e and 43If to define an air passage.
- FIG. 59 is a sectional view showing a thermoelectric conversion device according to a thirty-second embodiment of the present invention.
- a rod-shaped fixing member 43 lb and a flat plate-shaped fixing member 43 lg are used together as fixing members.
- the fixing member 431g has through holes at positions corresponding to the plurality of electrode members 16, and accommodates and fixes the electrode members 16 in the through holes.
- FIG. 60 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-third embodiment of the present invention.
- a pin member 432b which is a bar-shaped heat exchange member, is used instead of the flat heat exchange member 432a.
- the end surface of the pin member 432b is joined to the electrode member 16 so as to be able to conduct heat.
- a plurality of pin members 432b are simultaneously joined to one electrode member 16 by soldering.
- FIG. 61 is a cross-sectional view showing a thermoelectric conversion device according to a thirty-fourth embodiment of the present invention.
- a through hole is provided in the electrode member 16 at a position where the pin member 432b is to be arranged.
- the pin members 432b are arranged and fixed in these through holes.
- the pin member 432b can directly reach the end faces of the thermoelectric elements 12, 13.
- the end faces of the pin members 432b are directly joined to the end faces of the thermoelectric elements 12, 13.
- the plurality of pin members 432b are fixed by flat fixing members 431h and 431i.
- the fixing member 43lh has a plurality of holes through which the pin member 432b passes.
- the fixing member 43li has a plurality of recesses in which the tips of the pin members 432b are received.
- the pin members 432b which are a plurality of heat exchange members, can be handled collectively by the fixing members 43lg and 43li. Furthermore, since the pin members 432b as the plurality of heat exchange members are directly joined to the end faces of the thermoelectric elements 12, 13, excellent heat conduction can be provided.
- thermoelectric converter according to a thirty-fifth embodiment of the present invention.
- a group of heat absorbing electrodes is arranged on one surface of the thermoelectric element substrate 10, and a group of heat dissipating electrodes is arranged on the other surface.
- the heat absorbing electrode group and the heat radiating electrode group are formed by arranging a plurality of components called heat exchange members or electrode members having the same shape.
- the arrangement of components in the heat-absorbing electrode group and the heat-dissipating electrode group is asymmetric in order to provide a series connection of a plurality of thermoelectric elements 12 and 13.
- FIG. 62 is a cross-sectional view illustrating the thermoelectric conversion device according to the present embodiment.
- FIG. 63 is another cross-sectional view showing the thermoelectric conversion device of the present embodiment.
- a cross section taken along line AA of FIG. 62 is shown in FIG.
- FIG. 64 is an exploded view showing the thermoelectric converter of the present embodiment.
- thermoelectric element substrate 10 is configured by holding a plurality of P-type thermoelectric elements 12 and a plurality of N-type thermoelectric elements 13 by an insulating substrate 11 made of an electrically insulating resin material.
- the configuration of the thermoelectric element substrate 10 can refer to the configurations of the above-described embodiments.
- an electrical connection between the thermoelectric elements 12, 13 is provided by an electrode member 532, also called a heat exchange member.
- the electrode member 532 has a flat plate-shaped electrode portion 535 for providing electrical connection.
- the electrode member 532 is a heat transfer member or a heat exchange member that transmits low or high temperature provided by the thermoelectric elements 12 and 13 and that exchanges heat with air to transmit low or high temperature to air. Also serves as a heat exchange unit 536 for heat exchange.
- the heat exchanging section 536 is also called a heat absorbing section for transmitting low temperature to air or a heat radiating section for transmitting high temperature to air.
- the heat exchange section 536 extends outward from two parallel sides of the electrode section 535 in the vertical direction.
- the heat exchange section 536 is provided by forming a flat plate.
- the heat exchange section 536 is formed as a plurality of projections which are also expressed as a plurality of pins.
- the heat exchange section 536 has two rows of protrusions as shown in FIG. Each row has six protrusions, as shown in FIG. Twelve protrusions are arranged in one electrode portion 535.
- the heat exchange section 536 is formed on the back surface of the electrode section 535 so as to provide a space vertically opened from the electrode section 535. As a result, to the back of the electrode unit 535, It can be reached linearly from the vertical direction. This back space is a path for the front end of the mounter device to pick up the electrode member 532 and for the front end to reach the rear surface of the electrode member 532.
- FIG. 65 is a flowchart illustrating a method for manufacturing a thermoelectric conversion device.
- the electrode member 532 is manufactured from a plate-shaped material.
- the raw material 20a is supplied in the form of a strip wound in a coil shape.
- the block at the left end of the upper stage in the figure shows the supply step.
- the material is subjected to an outline punching process.
- the material 20a is cut into a predetermined shape.
- a predetermined shape is given by shearing.
- a region to be the electrode portion 535 and a plurality of portions to be the heat exchange portion 536 are formed.
- a plan view of the material 20a is shown in the upper part of the second block.
- a plurality of slits are formed by punching correspondingly between the heat exchanging portions 536.
- the shape of the material 20a in the width direction is also defined. This step is also called a shearing step.
- a bending step is performed.
- the heat exchange portions 536 located on both sides of the electrode portion 535 are bent almost vertically.
- a shape having the electrode portion 535 as the bottom surface and the heat exchange portion 536 as the side wall is obtained.
- an outline removal process is applied again.
- the upper end portion of the heat exchange section 536 is cut and separated into a plurality of electrode members 532.
- the louver may be formed by cutting and raising the slit portion without cutting the slit portion.
- the press working may use a roller working that cuts or folds a material between a pair of rotating rollers. ! ⁇ .
- thermoelectric element substrate 10 Prior to, simultaneously with, or after the above steps, an assembling step of the thermoelectric element substrate 10 illustrated in the lower left block in the figure is performed.
- a plurality of thermoelectric elements 12 and 13 are assembled on the insulating substrate 11.
- the plurality of thermoelectric elements 12 and 13 are pinched by the tip of the mounter device, inserted into the hole of the insulating substrate 11, and fixed.
- the back surface of the electrode portion 535 of the electrode member 532 is pinched by the tip of the mounter device.
- the mounter device is provided with a vacuum-type suction unit at its tip.
- the mounting device is
- the electrode unit 535 is arranged and fixed so as to connect the adjacent thermoelectric elements 12 and 13. At this time, the mounter device can strongly press the electrode portion 535 toward the thermoelectric elements 12 and 13 from the back thereof. In this embodiment, the electrode section 535 and the thermoelectric elements 12 and 13 are joined by soldering.
- the step of arranging the electrode members 532 is performed on one surface of the thermoelectric element substrate 10, then, the thermoelectric element substrate 10 is turned over, and then the other surface of the thermoelectric element substrate 10 is also executed. Further, paste solder or the like can be thinly and uniformly applied in advance to one or both of the end surfaces of the thermoelectric elements 12 and 13 and the lower surface of the electrode portion 535 by screen printing. Thereafter, the step of arranging the electrode members 532 is performed, and the bonding step is further performed. The bonding step can be performed for each electrode member 532, or can be performed simultaneously after all the electrode members 532 are arranged.
- thermoelectric elements 12, 13 are connected in series using an electrode member 532 in which a heat exchange section 536 and an electrode section 535 are integrally formed. Therefore, high productivity can be provided. Further, high heat conduction between the electrode section 535 and the heat exchange section 536 can be provided. In addition, the back surface force of the electrode unit 535 can be pinched and pressed. Therefore, high productivity can be provided.
- FIG. 66 is a sectional view of the thermoelectric converter according to the thirty-sixth embodiment.
- FIG. 67 is another cross section of the thermoelectric converter of this embodiment.
- FIG. 67 is a sectional view taken along line AA of FIG.
- the heat exchange section 536 is provided as a flat plate.
- FIG. 68 is a cross-sectional view of a thermoelectric conversion device according to a thirty-seventh embodiment.
- FIG. 69 is another cross section of the thermoelectric converter of this embodiment.
- FIG. 70 is a cross-sectional view of the heat exchange unit of the thermoelectric conversion device according to this embodiment.
- FIG. 70 is a sectional view taken along line AA of FIG.
- the heat exchange section 536 is formed in a louver shape having a plurality of inclined plates.
- the louver-shaped heat exchange section 536 can be formed by cutting and raising a flat plate.
- FIG. 71 is a cross-sectional view of a thermoelectric conversion device according to a thirty-eighth embodiment.
- FIG. 72 illustrates this embodiment.
- 3 is another cross section of the thermoelectric converter of FIG.
- FIG. 73 is a cross-sectional view of the heat exchange unit of the thermoelectric conversion device according to this embodiment.
- FIG. 73 is a sectional view taken along line AA of FIG. 71.
- the heat exchange unit 536 is formed in a shape having a plurality of slit-shaped through holes.
- FIG. 74 is a cross-sectional view of the thermoelectric conversion device according to the thirty-ninth embodiment.
- FIG. 75 is another cross section of the thermoelectric conversion device of this embodiment.
- FIG. 76 is a cross-sectional view of the heat exchange unit of the thermoelectric conversion device according to this embodiment.
- FIG. 76 is a sectional view taken along the line AA of FIG.
- the heat exchange section 536 is formed in a shape having a plurality of offset fins.
- the electrode member 532 may be formed into a predetermined shape by an etching process.
- the etching treatment can be performed, for example, in the second step of the manufacturing process shown in FIG.
- the material 20a is immersed in an etching tank containing an etching solution.
- the shape shown in FIG. 77 can be obtained by etching.
- a large number of through-holes or the like as a fine structure for promoting heat exchange in the heat exchange section 536 can be formed by the etching process.
- the material 20a is subjected to a pressing force after the etching process.
- the bending process and the outer shape punching process are added by the press working, and the various forms of the electrode member 532 described in the above embodiment are provided.
- the electrode member 532 may be formed into a predetermined shape by extrusion.
- a bracket-type extruded material 20a shown in FIG. 78 is supplied.
- the extruded material 20a is manufactured by a widely known extrusion molding process.
- the extruded material 20a is supplied in a rod shape.
- the extruded material 20a is cut to a length required for the electrode member 532. For this cutting, an outer shape punching force by pressurizing can be used.
- FIG. 79 is a cross-sectional view of the thermoelectric conversion device according to the forty-second embodiment.
- FIG. 80 is a plan view of the heat exchange unit of this embodiment.
- an auxiliary heat exchange The part 535a is formed.
- the auxiliary heat exchanging section 535a is cut obliquely from the electrode section 535 in the direction in which the heat exchanging section 536 extends.
- the auxiliary heat exchange unit 535a has a flat electrode so that a space for allowing the tip of the mounter device to reach is left behind the electrode unit 535, and the tip of the mounter device can pinch the electrode member 532. It is formed so as to leave the back of the part 535.
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE112005001273T DE112005001273T5 (de) | 2004-05-31 | 2005-05-31 | Thermoelektrischer Wandler und Verfahren zu seiner Herstellung |
US11/597,972 US20070220902A1 (en) | 2004-05-31 | 2005-05-31 | Thermoelectric Converter |
Applications Claiming Priority (16)
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JP2004162384 | 2004-05-31 | ||
JP2004-162384 | 2004-05-31 | ||
JP2004-261422 | 2004-09-08 | ||
JP2004261422A JP2006080228A (ja) | 2004-09-08 | 2004-09-08 | 熱電変換装置およびその熱電変換装置の製造方法 |
JP2004277795A JP2006093440A (ja) | 2004-09-24 | 2004-09-24 | 熱電変換装置 |
JP2004-277795 | 2004-09-24 | ||
JP2004277789A JP2006093437A (ja) | 2004-09-24 | 2004-09-24 | 熱電変換装置 |
JP2004-277789 | 2004-09-24 | ||
JP2004290484A JP2006108253A (ja) | 2004-10-01 | 2004-10-01 | 熱電変換装置 |
JP2004-290484 | 2004-10-01 | ||
JP2004303244A JP2006114840A (ja) | 2004-10-18 | 2004-10-18 | 熱電変換装置およびその熱電変換装置の製造方法 |
JP2004-303244 | 2004-10-18 | ||
JP2004341162 | 2004-11-25 | ||
JP2004-341162 | 2004-11-25 | ||
JP2005-032114 | 2005-02-08 | ||
JP2005032114A JP4297060B2 (ja) | 2004-05-31 | 2005-02-08 | 熱電変換装置 |
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US (1) | US20070220902A1 (ja) |
DE (1) | DE112005001273T5 (ja) |
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Cited By (3)
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JP2016092017A (ja) * | 2014-10-29 | 2016-05-23 | アイシン高丘株式会社 | 熱電モジュール |
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US20070220902A1 (en) | 2007-09-27 |
DE112005001273T5 (de) | 2007-04-19 |
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