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In the production process of modern equipment, 90% of machinery production will use sensors . Sensors have greatly promoted the development of industry. Today, it is as small as our smart bracelet and as large as the subway we take every day. Various sensors with different sizes and functions are used.
Now we know a simple smart bracelet that can monitor the amount of walking or exercise of the user every day, as well as the sleep time of the user. It is precisely because there is a kind of displacement monitoring sensor in its body. Simply speaking, This kind of sensor can monitor the user's hand-shifting when walking or exercising. According to the height and weight parameters set by the administrator, it can intelligently recognize the hand-shifting and know whether the user is in motion from the range of the wave-handling. When the user is in the sleep state, it can detect that the user has basically no waving hand, so it can easily determine whether the user is in the sleep state.
A recent report stated that seven sensors are used in each carriage of the subway. Some friends may be surprised. So, are there not hundreds or thousands of sensors used on the subway? This is indeed the case. Let ’s think about it. There are quite a few types of sensors used on subways. Infrared sensors are used when opening and closing doors to detect whether a person has fully entered. When starting and walking, sensors are needed to monitor speed. CO2 sensors in the subway can monitor carbon dioxide. Concentration; subway weight measurement requires pressure sensors; subway indoor temperature control, temperature sensors and so on, countless sensors from large to small. The combination of these sensors can ensure the safety and comfort of our daily travel.
In fact, sensors are a part that is closely related to our lives. If we study carefully, we will find many novelty of sensors.
July 23, 2015
Chengdu Xinxin Electronic Technology Co., Ltd. Editorial Department
Editor: Little Devil in Gourd