More and more people pay attention to health and love sports, and smart fitness watches also appear.The development history of the bracelet is the evolution of a wearable device with the theme of health and sports.
Early fitness watch only had basic step counting functions. It only uses the acceleration sensor and the Bluetooth function to meet people's most basic sports pedometer function, has a long standby time, and can be connected to a smartphone to check the amount of exercise through the application on the smartphone, which was already at that time. It was very successful.
Later bracelets began to have a series of health-related functions such as heart rate detection, sleep, and incoming call reminders. Especially the photoelectric heart rate detection function pushed the smart bracelet to a new height. The photoelectric heart rate detection combined with the acceleration sensor can support the heart rate detection in the state of exercise. Wearing the bracelet for running can know the change of the heart rate and guide the user to carry out scientific and healthy fitness activities. The application of the bracelet with the smartphone can realize more and more complex applications, and the bracelet has become more practical. For example, adding a small display screen can provide users with functions such as intuitive exercise volume and time prompts.
The current fitness watch has more powerful application functions. This G12 fitness watch has a 1.32-inch high-definition screen and displays more content. Although no new health sensing applications have been added or removed, the detection accuracy of the sensor has been further improved, making the user's experience better and better. The supporting APP combined with the big data application makes the functions of health and sports more complete.
Although smart fitness watches have many functions, the functions of detecting heart rate, blood pressure, step counting, sleep detection, and incoming call reminders are also becoming more and more perfect and stable. But exercise recording and heart rate detection are the two most basic and important functions of the bracelet.
To realize the heart rate detection of the bracelet, the core component is the sensor.
As one of the most important vital signs in the human body, everyone's heart rate varies with age, gender and other physiological conditions. In general, the average resting heart rate of a normal adult is around 75 beats per minute. In the same person, the heart rate slows down during rest or sleep, and increases during exercise or emotional agitation. Under the influence of certain drugs or neurohumoral factors, the heart rate will increase or decrease. People who do physical work and physical exercise regularly have a slower heart rate.
Specifically, the factors that affect the change of heart rate are mainly three major regulatory systems, namely autoregulation, humoral regulation, and neural regulation. The change of heart rate can directly or indirectly reflect the health status of many aspects of the human body, which is the meaning of measuring heart rate. In the field of smart wear, the significance of measuring heart rate is mainly manifested in three aspects.
First of all, in terms of exercise, the heart rate can reflect the real information of the user's body when exercising. If the heart rate is too high, the exercise is too intense, and the user's body water evaporates too quickly, then this kind of exercise is not good for the body. If the heart rate is not high enough for light exercise, the user It is also impossible to burn enough calories.
