A thermoelectric generator includes: a heat-receiving plate configured to receive heat; a cooling plate configured to be kept at a lower temperature than a temperature of the heat-receiving plate; and a thermoelectric generation module interposed between the heat-receiving plate and the cooling plat
A thermoelectric generator includes: a heat-receiving plate configured to receive heat; a cooling plate configured to be kept at a lower temperature than a temperature of the heat-receiving plate; and a thermoelectric generation module interposed between the heat-receiving plate and the cooling plate, in which the thermoelectric generation module includes: an opposed surface that is opposed to the cooling plate; a plurality of thermoelectric elements; a terminal configured to electrically conduct to the thermoelectric elements; and a lead member bonded to the terminal, in which the lead member penetrates the opposed surface and extends to the cooling plate.
대표청구항▼
1. A thermoelectric generator comprising: a heat-receiving plate configured to receive heat;a cooling plate configured to be kept at a lower temperature than a temperature of the heat-receiving plate; anda thermoelectric generation module interposed between the heat-receiving plate and the cooling p
1. A thermoelectric generator comprising: a heat-receiving plate configured to receive heat;a cooling plate configured to be kept at a lower temperature than a temperature of the heat-receiving plate; anda thermoelectric generation module interposed between the heat-receiving plate and the cooling plate, whereinthe thermoelectric generation module comprises: an opposed surface that is opposite the cooling plate; a plurality of heat-receiving electrodes and a plurality of cooling electrodes that are provided between the heat-receiving plate and the cooling plate, the plurality of heat-receiving electrodes being provided opposite the plurality of cooling electrodes; a plurality of thermoelectric elements that are electrically connected to each other through the heat-receiving electrodes and the cooling electrodes; a terminal configured to electrically conduct to the thermoelectric elements; a lead member bonded to the terminal; and a first thin sheet that covers an entire side of the plurality of thermoelectric elements opposite the cooling plate and that forms the opposed surface,the terminal is provided at a surface of the first thin sheet opposite the thermoelectric elements,the terminal is directly bonded to (i) a plurality of support members that support the terminal and (ii) one of the plurality of thermoelectric elements that is directly bonded to one of the heat-receiving electrodes or one of the cooling electrodes, the plurality of support members surrounding a bonding portion of the terminal bonded to the lead member,the lead member penetrates the first thin sheet to extend to the cooling plate and is soldered to the terminal,the thermoelectric generation module further comprises: a second thin sheet covering an entire side of the plurality of thermoelectric elements opposite the heat-receiving plate, anda support terminal provided on a surface of the second thin sheet facing the terminal,each of the plurality of support members is bonded between the terminal and the support terminal, andnone of the plurality of thermoelectric elements directly contacts the support terminal. 2. The thermoelectric generator according to claim 1, wherein each support member has the same outline as the thermoelectric element. 3. The thermoelectric generator according to claim 1, wherein the terminal comprises an element connection portion connected to the thermoelectric elements, andthe support terminal has a portion having substantially the same shape as the element connection portion in a plan view. 4. The thermoelectric generator according to claim 1, wherein the terminal comprises: an element connection portion having a predetermined length and connected to the thermoelectric elements; and a lead connection portion having a predetermined length and connected to the lead member, whereinthe element connection portion and the lead connection portion form substantially an L-shape in a plan view such that a length direction of the element connection portion is orthogonal to a length direction of the lead connection portion. 5. The thermoelectric generator according to claim 4, wherein a length of the lead connection portion of the terminal is twice or more as long as a width in a width direction of the element connection portion in parallel to the length direction of the lead connection portion. 6. The thermoelectric generator according to claim 1, wherein the lead member and the terminal are provided at each of ends at an anode and a cathode in an electric circuit of the plurality of thermoelectric elements connected in series, andthe terminals at the respective ends are axisymmetric to each other in a plan view. 7. The thermoelectric generator according to claim 1, wherein the lead member is drawn out to an outside through a through hole provided on the cooling plate. 8. The thermoelectric generator according to claim 7, wherein an insulation film is provided at an inner surface of the through hole. 9. The thermoelectric generator according to claim 7, wherein an insulation material is fed between the through hole and the lead member. 10. The thermoelectric generator according to claim 1, wherein the lead member is made of metal and shaped in a column. 11. The thermoelectric generator according to claim 1, wherein the lead member comprises a lead wire covered with an insulation material. 12. The thermoelectric generator according to claim 1, wherein the plurality of thermoelectric elements comprises N-type thermoelectric elements and P-type thermoelectric elements that are electrically connected in series alternately through the heat-receiving electrodes and the cooling electrodes. 13. The thermoelectric generator according to claim 1, wherein all of the plurality of thermoelectric elements are disposed outside of the support terminal such that none of the plurality of thermoelectric elements directly contacts the support terminal. 14. The thermoelectric generator according to claim 1, wherein the terminal comprises an element connection portion that contacts at least one of the plurality of support members and at least one of the plurality of thermoelectric elements, the element connection portion extending from a side of the terminal to the at least one of the plurality of thermoelectric elements by a first length, andthe support terminal has an end portion that is spaced apart from the element connection portion and that faces the element connection portion, the end portion extending from a side of the support terminal to the at least one of the plurality of support members by a second length shorter than the first length. 15. A thermoelectric generator comprising: a heat-receiving plate configured to receive heat;a cooling plate configured to be kept at a lower temperature than a temperature of the heat-receiving plate; anda thermoelectric generation module interposed between the heat-receiving plate and the cooling plate, whereinthe thermoelectric generation module comprises: an opposed surface that is opposite the cooling plate; a plurality of heat-receiving electrodes and a plurality of cooling electrodes that are provided between the heat-receiving plate and the cooling plate, the plurality of heat-receiving electrodes being provided opposite the plurality of cooling electrodes; a plurality of thermoelectric elements that are electrically connected to each other through the heat-receiving electrodes and the cooling electrodes; a terminal configured to electrically conduct to the thermoelectric elements; a lead member bonded to the terminal; and a first thin sheet that covers an entire side of the plurality of thermoelectric elements opposite the cooling plate and that forms the opposed surface,the terminal is provided at a surface of the first thin sheet opposite the thermoelectric elements,the terminal is directly bonded to a support member that supports the terminal,the lead member penetrates the first thin sheet to extend to the cooling plate and is soldered to the terminal,the lead member comprises: a body that penetrates the first thin sheet to extend to the cooling plate; and a flange portion that is provided at an end of the body and that is bonded to the terminal in a circumferential direction of the body,the thermoelectric generation module further comprises: a second thin sheet covering an entire side of the plurality of thermoelectric elements opposite the heat-receiving plate, anda support terminal provided on a surface of the second thin sheet facing the terminal, andnone of the plurality of thermoelectric elements directly contacts the support terminal. 16. The thermoelectric generator of claim 15, wherein the support member comprises a plurality of support members that support the terminal, the plurality of support members surrounding a bonding portion of the terminal bonded to the lead member. 17. The thermoelectric generator of claim 16, wherein each of the plurality of support members is bonded between the terminal and the support terminal. 18. The thermoelectric generator of claim 15, wherein the flange portion is soldered to the terminal in the circumferential direction of the body. 19. The thermoelectric generator according to claim 15, wherein the plurality of thermoelectric elements comprises N-type thermoelectric elements and P-type thermoelectric elements that are electrically connected in series alternately through the heat-receiving electrodes and the cooling electrodes.
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