WATER HEATER AND SYSTEM, HOT WATER TEMPERATURE ADJUSTMENT METHOD, AND WEARABLE SMART DEVICE

摘要

Provided is a water heater system, comprising: a wearable smart device (10); the wearable smart device (10) comprises a heart rate detection module (101); the heart rate detection module (101) detects in real time the heart rate data of a user when the user is bathing; a water heater (20); the water heater (20) communicates with the wearable smart device (10); the water heater (20) analyzes the heart rate data of the user during bathing to generate a heart rate change analysis result, and according to the heart rate change analysis result, adjusts the temperature of the hot water put out.