MEMS infrared thermopile gas sensor convenient to adjust

• Main Authors: DOU YUNXUAN, WANG LING, QIAN CHEN, ZANG SHOUBING, WANG LIANG, YANG FENGYUN
• Format: Patent
• Language: Chinese; English
• Published: 13.12.2022
• Subjects: COLORIMETRY; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; PHYSICS; RADIATION PYROMETRY; TESTING

The utility model discloses an MEMS infrared thermopile gas sensor convenient to adjust, which comprises a tube cap and a tube seat, a fixing mechanism is arranged outside the tube seat, the fixing mechanism comprises a plurality of sliding rods, limiting blocks are fixedly mounted outside the sliding rods, a plurality of rectangular grooves A and a plurality of rectangular grooves B are formed inside the tube cap, and the rectangular grooves A and the rectangular grooves B are communicated with each other through the limiting blocks. The end, away from the limiting block, of the sliding rod is rotationally connected with a round rod, the round rod is sleeved with a spring, a protective layer is arranged on the outer portion of the pipe cap, a plurality of ventilation holes are formed in the outer portion of the protective layer, two pieces of filler are arranged in the ventilation holes, and a water absorption pad is arranged between the two pieces of filler. According to the MEMS infrared thermopile sensor,