The hand reaches the faucet and the water flows out; when the hand is removed, the water stops. The presence of a sensor tap can make people feel comfortable and beautiful in modern life. Compared with the traditional hand-turned faucet, the sensor faucet is not only convenient, but also has water-saving function. Water saving and sanitation “In the past, the water consumption of our building reached 1,500 tons per month.” The property manager of a high-end office building in Guangqumen Inner Street of Beijing told reporters that after changing the sensor tap, the monthly water consumption It has dropped to 1,250 tons. “The effect is indeed remarkable.” After installing the induction faucet in Shenzhen Yitian Middle School, the monthly water fee saved by more than half. The teacher of the logistics department of Yitian Middle School said that in this way, it is not necessary to save money for the faucet in one year. Whether it is an office building or a public place such as a school or public toilet, the water consumption of public taps should not be underestimated. The water flow in the raft is much less, and if it can be saved, it will be considerable. At present, there are three main types of hand faucets: traditional hand-wound, push-type and inductive. “It is not very convenient to use the hand or press the faucet.” Ling Bo, a researcher at the Environmental Prevention and Control Center of the Chinese Center for Disease Control and Prevention, said: “Sometimes the amount of water from the faucet cannot be controlled. When you want to rinse for a long time, the water stops for a while; Simply rushing, the water is flowing, and there is no way to shut down.” Li Fuxing, director of the Beijing Public Health Drinking Water Research Institute, told the Life Times that the water in the sensor is not only to reach out, but also to lose water. Many also have The 30-second automatic water shut-off function prevents the water from flowing in the sensing range for a long time due to foreign matter, and minimizes waste. The data shows that the induction faucet can effectively save more than 30% of water, and some water sensation of induction faucets can even reach more than 60%, which is especially suitable for areas with severe water shortage in China. Inductive faucets are more hygienic than traditional faucets. Because the switch water is completely controlled by the sensor, the human hand does not need to touch, which avoids the bacterial contamination caused by touching the tap again after washing the hand. Especially in hospitals, railway stations, schools and other places where people are crowded, it can effectively avoid cross-infection. Suitable for public use, not suitable for families Although the sensor tap can save water, it is not suitable for home use. According to Li Fuxing, the family bathroom is simply to meet the needs of family members, and it is not suitable for installing sanitary ware in the space layout. If the sensor faucet is installed, the power plug or battery box space must be reserved, which will make the originally limited bathroom space more tense. Public toilets do not have much room for layout concerns. The household faucet should have both hand washing water and bath washing function. Washing hands are short-term water, and the amount of water is small; but the amount of water used for bath washing is large, and it takes a long time to release water. It is difficult to meet the demand for a short-time water-sensing faucet.