Radiant heat sensor

A radiant heat sensor comprising:

• a plate-shaped member that has a first surface and a second surface on a side opposite the first surface, the plate-shaped member including a plurality of first thermoelectric members and a plurality of second thermoelectric members that are made of differing thermoelectric materials, in which the plurality of first thermoelectric members and the plurality of second thermoelectric members are alternately arrayed one by one in a direction along the first surface so as to be separated from each other, and each of the plurality of first thermoelectric members and plurality of second thermoelectric members configure a portion of the first surface;
• a plurality of first conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure hot contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members;
• and
• a plurality of second conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure cold contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members, wherein
• when radiant heat is irradiated onto the first surface side of the plate-shaped member, the plurality of first conductor patterns and the plurality of second conductor patterns receive heat due to the radiant heat, a temperature difference occurs between the plurality of first conductor patterns and the plurality of second conductor patterns as a result of quantities of heat received by the plurality of first conductor patterns and the plurality of second conductor patterns differing, and the plurality of first thermoelectric members and the plurality of second thermoelectric members generate electrical output based on the temperature difference,
• the plurality of first conductor patterns are made of a material having higher emissivity of radiant heat than that of the plurality of second conductor patterns, and
• when radiant heat is irradiated onto the first surface side, the quantities of heat received by the plurality of first conductor patterns and the plurality of second conductor patterns differ as a result of the plurality of first conductor patterns absorbing more heat than the plurality of second conductor patterns.

A radiant heat sensor comprising:

• a plate-shaped member that has a first surface and a second surface on a side opposite the first surface, the plate-shaped member including a plurality of first thermoelectric members and a plurality of second thermoelectric members that are made of differing thermoelectric materials, in which the plurality of first thermoelectric members and the plurality of second thermoelectric members are alternately arrayed one by one in a direction along the first surface so as to be separated from each other, and each of the plurality of first thermoelectric members and plurality of second thermoelectric members configure a portion of the first surface;
• a plurality of first conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure hot contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members;
• a plurality of second conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure cold contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members;
• and
• an insulating layer disposed on the second surface of the plate-shaped member covering the plurality of first thermoelectric members and the plurality of second thermoelectric members, wherein
• when radiant heat is irradiated onto the first surface side of the plate-shaped member, the plurality of first conductor patterns and the plurality of second conductor patterns receive heat due to the radiant heat, a temperature difference occurs between the plurality of first conductor patterns and the plurality of second conductor patterns as a result of quantities of heat received by the plurality of first conductor patterns and the plurality of second conductor patterns differing, and the plurality of first thermoelectric members and the plurality of second thermoelectric members generate electrical output based on the temperature difference, and
• a thickness dimension of the insulating layer is smaller than an interval between one of the plurality of first conductor patterns and one of the plurality of second conductor patterns that are adjacent to each other among the plurality of first conductor patterns and the plurality of second conductor patterns.

A radiant heat sensor comprising:

• a plate-shaped member that has a first surface and a second surface on a side opposite the first surface, the plate-shaped member including a plurality of first thermoelectric members and a plurality of second thermoelectric members that are made of differing thermoelectric materials, in which the plurality of first thermoelectric members and the plurality of second thermoelectric members are alternately arrayed one by one in a direction along the first surface so as to be separated from each other, and each of the plurality of first thermoelectric members and plurality of second thermoelectric members configure a portion of the first surface;
• a plurality of first conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure hot contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members;
• and
• a plurality of second conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure cold contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members, wherein
• when radiant heat is irradiated onto the first surface side of the plate-shaped member, the plurality of first conductor patterns and the plurality of second conductor patterns receive heat due to the radiant heat, a temperature difference occurs between the plurality of first conductor patterns and the plurality of second conductor patterns as a result of quantities of heat received by the plurality of first conductor patterns and the plurality of second conductor patterns differing, and the plurality of first thermoelectric members and the plurality of second thermoelectric members generate electrical output based on the temperature difference,
• the plurality of first thermoelectric members include
• a first extending portion that is made of a first thermoelectric material and extends from a first contacting end portion that is in contact with the plurality of first conductor patterns towards the second surface side of the plate-shaped member,
• a second extending portion that is made of the first thermoelectric material and extends from a second contacting end portion that is in contact with the plurality of second conductor patterns towards the second surface side of the plate-shaped member, and
• a first coupling portion that is made of the first thermoelectric material, positioned to span from a section of the first extending portion on the second surface side of the plate-shaped member to a section of the second extending member on the second surface side of the plate-shaped member, and couples the first extending portion and the second extending portion, and
• a heat insulating member that has lower thermal conductance than the plurality of first thermoelectric members is disposed between the first extending portion and the second extending portion in a direction along the first surface.

A radiant heat sensor comprising:

• a plate-shaped member that has a first surface and a second surface on a side opposite the first surface, the plate-shaped member including a plurality of first thermoelectric members and a plurality of second thermoelectric members that are made of differing thermoelectric materials, in which the plurality of first thermoelectric members and the plurality of second thermoelectric members are alternately arrayed one by one in a direction along the first surface so as to be separated from each other, and each of the plurality of first thermoelectric members and plurality of second thermoelectric members configure a portion of the first surface;
• a plurality of first conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure hot contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members;
• and
• a plurality of second conductor patterns that extend along the first surface, disposed on the first surface of the plate-shaped member so as to span one of the plurality of first thermoelectric members and one of the plurality of second thermoelectric members that are adjacent to each other, among the plurality of first thermoelectric members and the plurality of second thermoelectric members, and configure cold contact portions between the plurality of first thermoelectric members and the plurality of second thermoelectric members, wherein
• when radiant heat is irradiated onto the first surface side of the plate-shaped member, the plurality of first conductor patterns and the plurality of second conductor patterns receive heat due to the radiant heat, a temperature difference occurs between the plurality of first conductor patterns and the plurality of second conductor patterns as a result of quantities of heat received by the plurality of first conductor patterns and the plurality of second conductor patterns differing, and the plurality of first thermoelectric members and the plurality of second thermoelectric members generate electrical output based on the temperature difference,
• the plurality of first thermoelectric members include
• a first extending portion that is made of a first thermoelectric material and extends from a first contacting end portion that is in contact with the plurality of first conductor patterns towards the second surface side of the plate-shaped member,
• a second extending portion that is made of the first thermoelectric material and extends from a second contacting end portion that is in contact with the plurality of second conductor patterns towards the second surface side of the plate-shaped member, and
• a first wiring pattern that is disposed on the second surface of the plate-shaped member so as to span the first extending portion and the second extending portion, and electrically connects the first extending portion and the second extending portion, and
• a heat insulating member that has lower thermal conductance than the plurality of first thermoelectric members is disposed between the first extending portion and the second extending portion in a direction along the first surface.