JP2007266444A5 - - Google Patents

Claims (5)

  The thermoelectric conversion element includes an insulating substrate having a plurality of element fitting holes, and P-type and N-type thermoelectric conversion elements are respectively fitted through the corresponding element fitting holes of the insulating substrate. The one end side and the other end side in the penetrating direction to the element fitting hole are respectively bridged between the corresponding end face of the P-type thermoelectric conversion element and the end face of the N-type thermoelectric conversion element. A plurality of electrodes for connecting N-type thermoelectric conversion elements in series are formed, and a circuit of the thermoelectric conversion element is formed by these electrodes, the P-type thermoelectric conversion element, and the N-type thermoelectric conversion element. The one end side of the lead terminal is connected to the electrode arranged on the start end side and the electrode arranged on the end end side of the circuit of the thermoelectric conversion element, and the other end side of the lead terminal is fixed to the insulating substrate. The lead terminal has a thermal fluctuation of the thermoelectric conversion module. The lead terminal itself is deformed according to the expansion / contraction displacement of the thermoelectric conversion element and the expansion / contraction displacement of the insulating substrate, and further according to the load when mechanical stress is applied to the lead terminal, A thermoelectric conversion module, wherein a stress relaxation configuration is formed to relieve stress generated at a connection portion between an electrode connected to a lead terminal and the thermoelectric conversion element connected to the electrode.   2. The thermoelectric conversion module according to claim 1, wherein the stress relaxation structure is formed by forming at least one of a bent portion and a bent portion in the longitudinal direction of the lead terminal. 3. The thermoelectric conversion module according to claim 1, wherein the stress relaxation structure is formed by forming a lead terminal from a flexible electric conductive member . 4. The thermoelectric conversion module according to claim 3, wherein the flexible electric conductive member is a flexible stranded wire formed by twisting a plurality of flexible heat conductive wires.   4. The thermoelectric conversion module according to claim 1, wherein the stress relaxation structure is formed by forming one or more notches in a direction intersecting with a longitudinal direction of the lead terminal.