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Smart toilet water temperature sensor

Number of Views:24362022-04-20 18:08:35

Now with the advancement of science and technology, all kinds of products are becoming more and more humanized and intelligent, and smart toilets are no exception. The smart toilet has functions such as seat heating, warm water flushing, warm air drying, automatic cleaning, and automatic deodorization. Since the water flow will directly contact the user's skin during the cleaning process, a constant water temperature is required, and the temperature needs to be within a safe range. Therefore, a built-in NTC temperature sensor is required to control the water temperature of the smart toilet.
The intelligent toilet water temperature heating device is composed of a water inlet and outlet mechanism, an instant heating mechanism, a control mechanism and a power supply mechanism. The water outlet mechanism has a first connecting pipe, an NTC temperature sensor, a water channel switching component, a first water outlet component and a second water outlet component. The water inlet end of the first connecting tube is connected to the instant heating mechanism, and the water outlet end is connected to the water channel switching component inlet end The NTC temperature sensor is installed at the water inlet and outlet to detect the water temperature. The water outlet of the water switching component is connected to the first water outlet component and the second water outlet component respectively; the control mechanism includes MCU and PID controller, water inlet mechanism, instant heat The type heating mechanism, power supply mechanism, water switching components, PID controller and NTC temperature sensor are connected to the MCU and the PID controller, which is used to control the water temperature.
The intelligent toilet water temperature heating device operates in the circulation mode, which can predict the heat accumulated during the water switching process, so that when the user enters the cleaning stage, the water temperature just matches the set water temperature, so as to ensure that the water temperature is always within a safe range; In each mode, PID closed-loop control is performed on the water temperature, which further prevents the temperature from being too high.

The bullet NTC temperature sensor is generally used for the intelligent toilet water temperature heating device. It is packaged with a high-precision glass-sealed thermistor, which has the advantages of high waterproofness, extremely fast response speed, thermal response time of up to 0.5S, stable performance and high reliability.

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