| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a heat ray sensor, capable of readily controlling a detection region and with high degrees of freedom. SOLUTION: In this heat ray sensor 1, having a heat ray sensing element 2, a multilens 2a formed by combining a plurality of lenses for condensing heat rays in a prescribed region into the heat ray sensing element 2, a body part 4 storing the heat ray sensing element 2 and the multilens 2a, and a cover 4 connected with the main body part 4 to cover the heat ray sensing element 2 and a multilens 2a part, shielding sheets 5 shielding heat rays are provided in a part or a plurality of sections of the cover 3, and the cover 3 can rotate using a position of the multilens 2a as a central axis.</p> |
