Introduction: Our lives cannot be separated from water. Without water, we will have difficulty surviving. To use water, we must use faucets to control the water. There are many types of faucets. With the development of society, The development of faucets is getting better and better. Now many places are using automatic sensor faucets. Automatic sensor faucets are very convenient to use. You no longer need to touch the faucet with your hands. So do you know the principle and advantages of automatic sensor faucets? Let me introduce it to you!
The principle of automatic sensor faucets
Automatic sensor faucets use infrared rays Reflection principle. When the human hand is placed in the infrared area of ??the faucet, the infrared rays emitted by the infrared transmitting tube are reflected to the infrared receiving tube due to the blockage of the human hand. The signal processed by the microcomputer in the integrated circuit is sent to the pulse solenoid valve, and the solenoid valve receives the signal. Then open the valve core according to the specified instructions to control the water outflow from the faucet; when the human hand leaves the infrared sensing range, the solenoid valve does not receive the signal, and the solenoid valve core is reset through the internal spring to control the water shutoff of the faucet.
Advantages of automatic sensor faucets
1. Automatically set the sensing area
After the sensor faucet is powered on, it automatically adjusts the usage environment (such as the color and size of the basin) , shape, etc.) is scanned, and the optimal sensing area is automatically set based on the scanned data.
2. If an object enters the sensing area and becomes stationary, the sensing area will be automatically adjusted.
When an object enters the sensing area and the solenoid valve is opened, if the object remains stationary for 30 seconds, The rear controller closes the solenoid valve, senses the faucet and re-adjusts the sensing area according to the position of the object. This analogy can be adjusted repeatedly. When the object disappears, the controller automatically restores the sensing area to its original state.
3. When the light changes, the sensor automatically adapts.
When the ambient light changes, the sensor automatically corrects (the water will not be accidentally discharged during the correction), so that the pelvic floor, etc. Reflectors will not interfere with the faucet.
Advantages of automatic sensor faucets
4. Automatic water cutoff timeout protection function
When an object enters the sensing area of ??the sensor faucet, the solenoid valve is opened. If the object continues If the activity in the sensing area exceeds 60 seconds, the controller will forcefully close the solenoid valve and enter the timeout protection state.
There are two situations for releasing the timeout protection state: ① Move the object out of the sensing area, and no other objects enter the sensing area within 2 seconds.
5. Ultra-low power consumption
The drive circuit adopts intelligent power-saving technology, which greatly reduces the power consumption of driving the solenoid valve. Under 0.5 water pressure, 4 sections of 5 No. 1 alkaline battery can drive the solenoid valve to open more than 300,000 times.
These are the principles of automatic sensor faucets introduced by the editor. There are many users of automatic sensor faucets now, especially in many public places. It is even more popular to use automatic sensor faucets because there are many people in public places. If you use ordinary faucets, many people If you have to touch the faucet with your hands, it is easy to be infected with bacteria, but if you use an automatic sensor faucet, you don’t have to worry about it. After everyone understands the principle of the automatic sensor faucet, you should all know that the automatic sensor faucet can be a good micro-sensor faucet for everyone. Solve this problem.
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