Abstract: The present disclosure relates to air assemblies having an inflation, a deflation, and a closed state for use with inflatable products, such as air mattresses. Specifically, the present disclosure relates to air assemblies where the configuration of the air assembly can be changed manually by a user by operating a directional control valve to inflate, deflate, or close the inflatable product. The directional control valve may also activate a pump in the inflation and deflation states and deactivate the pump in the closed state.

Abstract: An air pump assembly for an inflatable product may include a housing, a cover coupled to the housing, and a rotatable assembly supported by the housing. The rotatable assembly may include a pump housing having first and second air vents, an impeller positioned within the pump housing, a motor operatively coupled to the impeller, and a rotary disc positioned between the pump housing and a vent hole of the housing. The rotatable assembly may be rotatable to a first position wherein air flows from the first air vent of the pump housing to the second air vent of the pump housing and through the vent hole in the housing into an interior of the inflatable product and a second position wherein air flows from the interior of the inflatable product through the vent hole in the housing into the first air vent and then to the second air vent.

Abstract: The present application proposes a method and a system for constructing a data command frame for remote reservation control, by setting a first byte representing a reserved working time start point, a second byte representing one-time working duration, a third byte representing the reservation status of a whole working cycle, the whole working cycle is divided into several time units, the third byte includes several bits corresponding to several time units, and assigns the value of each bit to determine whether the time units corresponding to each bit is reserved as working time; then combining the first byte, the second byte and the third byte to construct data command frame, and sending the command frames to device to realize remote control. This method enables remote reservation setting on the management of places like spa pools, which is safer and more convenient for spa management staff, and can greatly improve working efficiency and reduce the probability of error.

Abstract: The present disclosure relates to air assemblies having an inflation, a deflation, and a closed state for use with inflatable products, such as air mattresses. Specifically, the present disclosure relates to air assemblies where the configuration of the air assembly can be changed manually by a user by operating a directional control valve to inflate, deflate, or close the inflatable product. The directional control valve may also activate a pump in the inflation and deflation states and deactivate the pump in the closed state.

Abstract: A voltage regulation and speed regulation control circuit (100, 130, 200, 250) of an air pump (102) is provided. The voltage regulation and speed regulation control circuit (100, 130, 200, 250) may comprise a chopper power supply circuit (104, 202), a full bridge rectifier circuit (106, 204) and a switch (108, 212). The switch (108, 212) may be used to switch the chopper power supply circuit (104, 202) or the full bridge rectifier circuit (106, 204) to be connected to the positive and negative input terminals (103, 105) of the air pump (102). The output voltage of the chopper power supply circuit (104, 202) and the output voltage of the full bridge rectifier circuit may be different (106, 204).

Abstract: A control circuit and method for DC motors is disclosed in the present application. The control circuit may comprise a voltage monitoring unit for monitoring the output voltage of the DC power supply, a switching circuit for controlling the operation of the DC motor, and a PWM signal output unit to output PWM signal for controlling the switching circuit. The PWM signal output unit may be configured to regulate the duty cycle of the output PWM signal based on the results of the voltage monitoring unit. In this way, motors with different resistances may work continuously in a stabilized state. Also, it may detect when a load like motor is heavy loaded or overloaded, stop motor from starting, and avoid overtime working due to the drop of supply voltage damaging the load like motor.

Abstract: A display panel adjustment method, display apparatus and storage medium. Detecting whether a persistence is created on a display panel by displaying a preset detection screen, locating all zones where a persistence has appeared in case where the persistence has been created on the display panel, and determining a target gate line which probably causes the persistence to appear on the display panel; by shortening the turn-on time of a target gate line, it is possible to decrease the probability of a parasitic capacitor being formed on the target gate line, or may decrease the charge held in the parasitic capacitor formed on the target gate line, and may further increase the discharge time of the parasitic capacitor, so as to mitigate or eliminate the persistence, and improve the display effect.

Abstract: An adjustable attachment structure for a swimming machine is disclosed. The attachment structure is configured to interact with a frame of a pool. A user may interact with a locking switch to transition the attachment structure between a locked and an unlocked state. In the unlocked state, the swimming machine may be rotated about an axis to direct a generated current in a number of directions.

Abstract: A method for controlling the appointment of functions of smart home appliances that only when the user control interface completes the appointment setting, the mobile terminal sends the appointment control instruction to the controlled smart home appliance is provided.

Abstract: Provided are an expression realization method and device for virtual character, and a storage medium, the method comprising: acquiring sequence frames of respective parts of a face of the virtual character, wherein the sequence frames of respective parts contain part sequences corresponding to respective expressions; acquiring a first part sequence corresponding to a first expression and a second part sequence corresponding to a second expression from the sequence frames of respective parts, wherein the first part sequence comprises a first transition part sequence, and the second part sequence comprises a second transition part sequence; and successively playing the first part sequence and the second part sequence according to a first preset instruction, wherein a playing of the first transition part sequence is located at a tail of the playing of the first part sequence, and a playing of the second transition part sequence is located at a head of the playing of the second part sequence.

Abstract: A water treatment system includes an ozone generator combined with an electrolytic chlorine generator in a compact, efficient and serviceable assembly. The system may include a modular and replaceable ozone generator, which allows a damaged or non-functional ozone generator to be quickly and efficiently replaced. In order to protect the ozone generator from damage, a fail-safe drain valve assembly may also be provided which will expel backflowing pool water before it is allowed to backflow into the ozone generator. The water treatment system may further include an insulated electrolytic chlorine generator that mitigates or eliminates current leakage for efficient operation.

Abstract: A water treatment system includes an ozone generator combined with an electrolytic chlorine generator in a compact, efficient and serviceable assembly. The system may include a modular and replaceable ozone generator, which allows a damaged or non-functional ozone generator to be quickly and efficiently replaced. In order to protect the ozone generator from damage, a fail-safe drain valve assembly may also be provided which will expel backflowing pool water before it is allowed to backflow into the ozone generator. The water treatment system may further include an insulated electrolytic chlorine generator that mitigates or eliminates current leakage for efficient operation.

Abstract: A high and low-pressure integrated air pump includes a single housing including an air inlet and an air outlet. A high-pressure pump is disposed within the housing and in fluid communication with the air inlet, and uses a first outlet passage to discharge to the air outlet. A low-pressure pump is also disposed within the housing and in fluid communication with the air inlet, and uses a second outlet passage to discharge to the air outlet.

Abstract: The present disclosure discloses an air passage unit for a massaging pool. The air passage unit comprises an air passing portion, a first air connecting portion, and a first fastening structure. The first air connecting portion comprises two first air connecting openings configured to be in communication with the air passing portion, the first fastening structure is configured to be detachably connected to the massaging pool, and the two first air connecting openings are disposed on the first fastening structure so as to enable the two first air connecting openings to be synchronously connected to or detached from the massaging pool through the first fastening structure being connected to or detached from the massaging pool. The present disclosure further discloses an air passage system for a massaging pool. The air passage system comprises an air pump, and an air passage unit. The air passage unit comprises an air passing portion, a first air connecting portion, and a control mechanism.

Abstract: A joint assembly (100) between multiple air chambers of an inflatable product (P). The joint assembly (100) may include a male component (102) coupled to a first air chamber and a female component (104) coupled to a second air chamber. When assembled, the multiple air chambers of the inflatable product may be in fluid communication with each other or with a multichannel air assembly configured to selectively inflate and/or deflate each chamber.

Abstract: A pool cleaner equipped with a joint and a water inlet hose is disclosed. In a rotatable or use configuration, the water inlet hose is freely rotatable relative to a housing to avoid entanglement. In a locked or non-use configuration, either the joint or the water inlet hose is fixed relative to the housing to facilitate installation and/or removal of the water inlet hose via rotation between the joint and the water inlet hose.

Abstract: An image processing method and apparatus, a storage medium, and a display device are provided in the present disclosure. The image processing method is used for image processing on the display device. The method includes the following. Target image data is received. Picture detection is performed on the target image data. Polarity adjustment is executed on a signal transmission line of the display device when the target image data satisfies a first grayscale-condition and/or a first area-condition. Exit polarity adjustment when the target image data satisfies a second grayscale-condition or a second area-condition, where a condition range in which the second grayscale-condition is satisfied is less than a condition range in which the first grayscale-condition is not satisfied, and a range in which the second area-condition is satisfied is less than a range in which the first area-condition is not satisfied. A non-transitory computer-readable storage medium and a display device are provided.

Abstract: A pool cleaner equipped with a rotating brush assembly is disclosed. The brush assembly is removably coupled to the pool cleaner using clamps that are readily accessible, supported by the pool cleaner, and operable by hand. The clamps may be manipulated between a ready configuration, a loaded configuration to receive a brush assembly, and a locked configuration to secure the brush assembly.

Abstract: An air pump assembly (100) for an inflatable product (10) having an interior (12) is provided. The air pump assembly (100) may comprise a housing (120) having a vent hole (200) in fluid communication with the interior (12) of the inflatable product (10). The air pump assembly (100) may further comprise a cover (240) coupled to the housing. The cover may include a plurality of vent openings (244). The air pump assembly (100) may further comprise a rotatable assembly (104) supported by the housing (120). The rotatable assembly (104) may comprise a pump housing (112) having a first air vent (136) and a second air vent (138); an impeller (114) positioned in the pump housing; and a motor (110) operatively coupled to the impeller to drive a rotation of the impeller.