Wearable emotion recognition device based on physical sign information extraction

The utility model discloses a wearable emotion recognition device based on physical sign information extraction, which is characterized in that watchbands are symmetrically arranged on two sides of a watch bottom shell, sensor interfaces are arranged on the other two sides of the watch bottom shell, and the watch bottom shell is connected with an outer shell in an embedded manner; an electronic screen, an amplifying and filtering module, an analog-to-digital conversion module, a central processing unit and a battery are sequentially arranged between the meter bottom shell and the shell, and the battery is electrically connected with the other parts; the four sensor interfaces are respectively connected with external sensors; the input end of the amplifying and filtering module is connected with the output end of the optical PPG sensor, the output end of the patch type multi-channel electrocardio sensor, the output end of the galvanic skin sensor and the output end of the respiratory wave sensor through sensor