Wristwatch type pulse wave acquisition device based on air bag and flexible pressure sensor

The utility model discloses a wristwatch type pulse wave collecting device based on an air bag and a flexible pressure sensor, which comprises a shell part, a pulse wave collecting part, an air bag and a flexible pressure sensor, and the shell part comprises a wrist strap, a watch shell and a watch cover, and a display screen is arranged on the watch cover; the main body part comprises a pressurization and pressure relief structure located in the watchcase, an air pressure collection structure located in the watchcase, an air bag attached to the inner side of the wrist strap and a pressure sensor attached to the inner side of the air bag, the air bag is connected with the pressurization and pressure relief structure, and the air bag is further connected with the air pressure collection structure; and the control circuit is respectively connected with the pressurization and decompression structure, the air pressure acquisition structure, the pressure sensor and the display screen. The wrist pulse wave detector