More and more users are beginning to pay attention to health, and naturally hope to understand their sports through better forms. At present, there are many sports monitoring equipments in the market, and the forms are also diverse, including wristbands, watches and even smart clothing. In fact, understanding the differences between them can make better choices for their own situation; the key to differences in sports equipment is basically determined by sensors. Let's take a look at the mainstream sensor types currently used in motion detection equipment.
Acceleration sensor and gyroscope
Accelerometers and gyroscopes are the most basic types of motion sensors. Almost all sports bracelets and watches are available, and smartphones can count and identify directions because of the built-in acceleration sensor. The accelerometer has the measurement linear acceleration, and the gyroscope measures the angular velocity (that is, the direction). The combination of the two can realize the monitoring operations such as step counting and sleep.
Therefore, if you only need to monitor the daily exercise intensity, then the wristband with the above two sensors or even the mobile phone is completely sufficient.
2. Heart rate sensor
Positioning a slightly higher-end motion monitoring device may be equipped with an optical heart rate sensor that reads the heartbeat frequency of the user's movement, such as the current Apple Watch. Simply put, this optical sensor can emit LED green light to illuminate the skin, and then detect the absorption of green light by the photodiode to determine the blood flow of the blood vessel and further understand the frequency of heart movement.
In general, the accuracy of heart rate sensors varies from device to device. Recently, foreign media reported that Apple Watch optimized the traditional optical heart rate sensor to achieve better accuracy. However, since the heart rate sensor needs to illuminate the skin, the device tends to be in close contact with the skin, and the tattoo may cause inaccurate heart rate monitoring.
3. GPS
GPS equipment manufacturers such as Garmin and TomTom have launched sports watches that are priced at thousands of dollars and are designated as professional sports markets. The built-in sensors of these products are more abundant, including acceleration, gyroscope, heart rate sensor, barometer, etc. One of the more important differences is GPS. The professional sports watch can accurately capture the position of the athlete and realize the recording through the built-in GPS, and realize the professional sports functions such as ranging, time, and calculation speed according to the formula. Compared with the general sports bracelet and smart watch, it can be more accurate and accurate. data.
4. New fiber grade sensor
Perhaps you have begun to pay attention to the smart sportswear in the market. They are mainly in the form of “unbound†sports monitoring, which sounds more high-tech. To achieve this function, it is actually covered by a fiberized sensor, such as a myoelectric sensor, to monitor the cell changes of the muscle. The collected data is sent to a wearing device and transmitted to the smartphone through wireless technology. The application calculates and visualizes the muscle strength of the user.
Relatively speaking, this technology pays more attention to fitness exercises such as specific regional equipment training, helping users to control exercise intensity, pay attention to muscle exercise and health, and has more market prospects in the future.
to sum up
Obviously, the distribution of each sensor has a fixed product law, we can choose according to their own needs. For example, only pay attention to daily progress, sleep state, equipment with built-in acceleration and gyroscope can meet the demand; if you want to know more about the heart pressure during exercise, you need to buy a wristband and watch with heart rate sensor; like off-road For sports, professional running training, surfing and other outdoor sports, you need a waterproof watch with built-in GPS. For fitness and plastic-oriented sports, you need to choose smart sportswear with muscle monitoring.
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