Abstract: An outlet valve includes a valve body, a solenoid valve, and a manual operating member. The valve body includes a water inlet, a water outlet, a water storage cavity, a drain waterway, a first waterway, a second waterway, and a waterproof membrane. The first waterway is coupled to the drain waterway through a first drain opening. The second waterway is coupled to the drain waterway through a second drain opening. The waterproof membrane is configured to separate the water outlet cavity from the water storage cavity. The first waterway comprises a first plug coupled to an output end of the solenoid valve. The first plug is configured to control the opening and closing of the first drain opening. The second waterway comprises a second plug coupled to the manual operating member. The second plug is configured to control the opening and closing of the second drain opening.

Abstract: A method of automatically tracing urine in a toilet includes creating a background image of an interior of a toilet bowl using an image sensor, wherein the background image shows the interior of the toilet bowl. The method also includes acquiring an image of the interior of the toilet bowl using the image sensor, wherein the acquired image shows urine and a collecting and tracing member in the interior of the toilet bowl. The method further includes producing a difference image that shows a difference between the acquired image and the background image, and processing the difference image to identify a location of the urine and the collecting and tracing member, and moving the collecting and tracing member to the identified location of the urine.

Abstract: A urine testing device and a smart toilet having the urine testing device, which includes a base, a paper feeding module, a sample adding module, and a testing module installed on the base and arranged in a linear form. The paper feeding module has a test paper box, a lifting mechanism, and a pushing mechanism. A horizontal paper leakage groove is disposed at a bottom of the test paper box to receive a bottommost piece of test paper. The lifting mechanism lifts and descends the test paper box to reveal/seal the paper leakage groove. The pushing mechanism pushes out test paper from the paper leakage groove and delivers test paper to the sample adding and testing modules. The sample adding module dropwise adds urine to be tested on test paper. The testing module tests test paper added with the sample to obtain a urine testing result.

Abstract: A method of automatically tracing urine in a toilet that includes S1: acquiring an image of an interior of a toilet bowl (comprising an image of urine or an image simultaneously showing the urine and a collecting and tracing member of the toilet) through an image sensor; S2: identifying the urine or simultaneously identifying the urine and the collecting and tracing member through processing the image; and S3: implementing tracing movement to the urine by the collecting and tracing member. The method may, optionally, include S4: repeating S1, S2 and S3 until the collecting and tracing member coincides with the urine in the image.

Abstract: An electromagnetic distributor and a toilet including such a distributor, which includes a housing and a water channel disposed within the housing. The water channel comprising an inlet, which is disposed at a first end of the housing, and an outlet, which extends toward a second end of the housing. A water discharge assembly is disposed at the second end of the housing. A water discharge chamber is disposed within the water discharge assembly, with an outlet of the water channel in fluid communication with the water discharge chamber, and at least two water outlets disposed on a face of the water discharge assembly furthest away from the housing. A solenoid valve assembly is disposed inside the housing. The solenoid valve assembly includes at least two electromagnetic switches, each associated with one of the at least two water outlets. Each electromagnetic switch independently controls opening/closing of the associated water outlet.

Abstract: A nozzle assembly including a body having a top surface; a plurality of water inlets formed on the body and comprising first and second water inlets; a plurality of water outlets formed on the body and comprising first and second water outlets; and a solenoid valve. The first water inlet is in fluid communication with the first water outlet via a first water path, and the second water inlet is in fluid communication with the second water outlet via a second water path. The first water outlet and the second water outlet are concentrically arranged on the top surface, and the first water outlet and the second water outlet are configured to spray water in different patterns. The solenoid valve is configured to control an on and an off of a flow of water through each of the first water path and the second water path.

Abstract: A faucet that includes a housing with a water supply assembly, a soap supply assembly, first and second sensing probe assemblies, and a controller provided in the housing, wherein a sensing region of the first sensing probe assembly is an upper portion of the housing, a sensing region of the second sensing probe assembly is a lower portion of the housing, an output terminal of each sensing probe assembly is electrically connected with an input terminal of the controller, and an output terminal of the controller is electrically connected with a control terminal of each of the water and soap supply assemblies. The controller controls the water supply assembly to start/stop water supply according to the sensing signal from the first or second sensing probe assembly, and controls the soap supply assembly to start/stop soap supply according to the sensing signal from the first or second sensing probe assembly.

Abstract: A device/method for automatically positioning urine, which determines the position of the urine according to a temperature result scanned by a non-contact temperature sensor, and calculates point coordinates of the position of the urine in a toilet. The device/method includes one or more positioning assemblies with each having the sensor, a stepping motor, and a motor frame, with the sensor being fixed to a main shaft of the stepping motor, the stepping motor being fixed to the motor frame, and the motor frame configured to be fixed to the toilet. The device/method are configured for use with toilets so that the position of the urine is determined by temperature scanned by the sensor, and the urine sample is absorbed in the air as a health analysis sample, preventing cross-contamination between, urine samples absorbed from inner surfaces of the toilet and improving the accuracy of the health data analysis.

Abstract: A heated seat having a thermally conductive metal seat, a protective coating disposed on a top surface of the metal seat, and a thermally conductive water pipe in the thermally conductive metal seat. Hot water can be routed through the water pipe to heat the seat. This arrangement improves safety and enables the heat from the hot water to be rapidly conducted through the seat, thereby improving the comfort in use.

Abstract: A method for monitoring Internet of Things (IoT) devices includes activating a communication connection with a terminal device in response to a monitoring request for the terminal device, conducting communications of monitoring data corresponding to the monitoring request via the communication connection, and controlling a state of the communication connection according to an operating mode of the terminal device.

Abstract: An anti-drip device, such as for use in a faucet or water supply line, that includes a support having at least one water outlet and an elastic lip member disposed inside each water outlet. Each elastic lip member has an open state and a closed state inside the associated water outlet, and each elastic lip member is capable of switching between the open state and the closed state. When the elastic lip member is in the open state, the water outlet is open; and when the elastic lip member is in the closed state, the water outlet is closed.

Abstract: A process includes setting a preset temperature; setting up a counter, wherein a first number is displayed on the counter in response to a water control switch switching from a low position to a high position, a second number is displayed on the counter in response to the water control switching from the high position to the low position; setting a target temperature in response to a first determination as to whether the first number or the second number is displayed on the counter, wherein the target temperature is equal to the preset temperature in response to the first number being displayed and the target temperature is equal to preset temperature less an adjustment temperature in response to the second number being displayed; and maintaining the target temperature for a period of time, then restoring the target temperature to the preset temperature after the period of time.

Abstract: A backflow prevention device including a tank inside of and moveable relative to a housing. A cap coupled to the housing and including inlet and outlet chambers fluidly connected through an inlet, the outlet chamber communicating with the tank. A shell is connected to the cap and includes a shell inlet chamber, which communicates with a first outlet hole of the inlet chamber, and a second outlet hole, which communicates with the tank. An inlet sealing member opens/closes the inlet to fluidly connect/disconnect the inlet chamber and the outlet chamber; and an outlet hole sealing member is moveable with the tank to open/close the second outlet hole. Closing the second outlet hole prevents water from flowing through the second outlet hole and switches the inlet from open to closed. Opening the second outlet hole allows water to flow through the second outlet hole and switches the inlet to open.

Abstract: A backflow prevention device including a tank having a holding chamber and first and second inlets connected with the holding chamber; a control valve having an intake chamber and first and second discharge chambers connected with the first and second inlets, respectively, the intake chamber connected with the first discharge chamber through a valve inlet; a valve sealing element for opening and closing the valve inlet, the second discharge chamber connected with the intake chamber through a hole of the valve sealing element; a float in the holding chamber; a slide bar in the holding chamber, contacting the float, and moveable toward the second inlet under the action of the float; and a slide bar sealing element for controlling opening and closing of the second inlet. When the second inlet is closed, the valve inlet is closed; and when the second inlet is open, the valve inlet is opened.

Abstract: A method for detecting water level in a water tank that includes a probe voltage value acquiring step comprising periodically acquiring a voltage value of a water level probe as a probe voltage value; a voltage value comparing step that compares the probe voltage value with a stored voltage threshold value, if the probe voltage value is lower than the voltage threshold value, the method determines that the water tank level is higher than the water level probe and updates the water data to be the probe voltage value, and if the probe voltage value is higher than the voltage threshold value, the method determines that the water tank level is lower than the water level probe and updates the waterless data to be the probe voltage value; and a threshold value updating step that updates the voltage threshold value in response to the water data and the waterless data.

Abstract: A process includes setting a preset temperature; setting up a counter, wherein a first number is displayed on the counter in response to a water control switch switching from a low position to a high position, a second number is displayed on the counter in response to the water control switching from the high position to the low position; setting a target temperature in response to a first determination as to whether the first number or the second number is displayed on the counter, wherein the target temperature is equal to the preset temperature in response to the first number being displayed and the target temperature is equal to preset temperature less an adjustment temperature in response to the second number being displayed; and maintaining the target temperature for a period of time, then restoring the target temperature to the preset temperature after the period of time.

Abstract: A system for controlling a magnetic switch in urinals includes a switch control unit and a control signal receiving unit connected to the switch control unit via a magnetic field. The switch control unit is configured to generate and eliminate the magnetic field based on a received pulse signal. The control signal receiving unit outputs an on signal in response to sensing the generation of the magnetic field and outputs an off signal in response to sensing the elimination of the magnetic field.

Abstract: The present application relates to a system and method for controlling a plumbing fixture. The system includes a Bluetooth receiver module configured to receive a wireless signal from mobile equipment, a micro control unit in electrical communication with the Bluetooth receiver module, an asynchronous receiver and transmitter in electrical communication with the micro control unit, and a processor in electrical communication with the micro control unit and the plumbing fixture. The Bluetooth receiver module is configured to receive one or more wireless control speech data packets from mobile equipment, convert the one or more wireless control speech data packets into one or more digital signals, and transmit the one or more digital signals to the micro control unit. The micro control unit is configured to control one or more functions associated with the plumbing fixture in response to the one or more digital signals.

Abstract: A bidet wand includes an arm and a nozzle. The arm includes one or more members, one or more connection tubes, and one or more inlet hoses. The one or more members are arranged in sequence from a first side to a second side and coupled to each other, the one or more members forming insertion portion at the first side. Each connection tube is coupled to and extends through the one or more members from the first side to the second side. Each inlet hose is coupled to one of the connection tubes at the second side and is configured to transfer water from a water source. The nozzle is configured to receive the insertion portion of the one or more members therein. The nozzle and the insertion portion include positive coupling features that are cooperatively configured to engage each other to couple the nozzle to the arm.

Abstract: A dryer component for a bidet includes a drying member (40), a blower component (50) and a pipe component (70). The pipe component (70) includes a first separable part (72) and a second separable part (82) so as to provide fluid connection between the blower component (50) and the drying member (40). There is no hose used in the pipe component (70) and the fitting surface between the first part (72) and the second part (82) is tilted, which allows comparatively great fitting tolerances of members of the dryer.