Abstract: A remote control water outlet device comprises a faucet and a control assembly. The faucet is connected to one or more water inlet pipes and a water outlet pipe assembly, and the control assembly is separated from the faucet by a distance. The control assembly controls the water outlet pipe assembly to be opened and to be closed. The water outlet pipe assembly comprises a water inlet passage and a water outlet passage in communication with the control assembly. The control assembly comprises a pressure relief cavity in communication with the water inlet passage and a sealing gasket configured to abut and block inlets of the water outlet passage due to being subjected to water pressure in the pressure relief cavity. The sealing gasket comprises a control hole configured to be opened to enable the pressure relief cavity be in communication with the water inlet passage.

Abstract: A method includes detecting a voltage across a bulk capacitor of a power supply system, wherein the power supply system comprises a rectifier, a boost converter and a power converter, and wherein the bulk capacitor is between the boost converter and the power converter, activating the boost converter after the voltage across the bulk capacitor decreases and reaches a first voltage threshold and disabling the boost converter after the voltage across the bulk capacitor increases and reaches a second voltage threshold, wherein the second voltage threshold is greater than the first voltage threshold.

Abstract: According to one aspect of the present disclosure, an apparatus comprising a two stage DC-DC converter is provided. The converter consists of a multilevel DC-DC converter stage cascaded with a fixed voltage ratio DC-DC converter stage. The converter is controlled so that a first stage of the converter provides an optimized output (a regulated bus voltage) which serves as the input to the second stage. The multi-level DC-DC converter may be the first stage and the fixed voltage ratio, unregulated DC-DC converter may be the second stage converter. Alternatively, the fixed voltage ratio, unregulated DC-DC converter may be the first stage and the multilevel DC-DC converter may be the second stage.

Abstract: A pull-down faucet includes a spout and a water hose movable within the spout. A spray hose connector is attached to the discharge end of the water hose. A sprayhead is in fluid communication with the spray hose connector and the water hose, and is movable between a docked position adjacent the discharge end of the spout, to an undocked position away from the spout. A magnet is secured to the interior of the spray hose connector, and a metallic element is secured near the discharge end of the spout.

Abstract: The present invention relates to the technical field of fluid switches, and more particularly to an bathtub faucet, comprising a housing (10), a first valve (11) which is disposed in the housing in the radial direction of the housing (10) and configured for switching on or switching off the flow of the fluid towards the outlet (100); a first base (12) which is disposed in the housing in the axial direction of the housing (10) and configured for diverting the fluid therethrough, and the first base comprises: first fluid guiding ports (120) disposed along the radial direction of the first base (12) and second fluid guiding ports (121) disposed at two ends of the first base (12) along its axial direction and are respectively communicated with the first fluid guiding port (120), and the first valve (11) is configured to sealingly engage to the first base (12) and communicated with the first fluid guiding ports (120), so that the fluid is controlled by the first valve (11) to be communicated with the second fluid

Abstract: The present disclosure relates to the field of fluid switch, and in particular, to an handle assembly and a faucet with the same, wherein the handle assembly comprises a handle including a handle rod; a handle housing which has an inner cavity and a through-hole, and the through-hole is defined by an inner wall which is formed by the handle housing extending towards the inner cavity from its one end, the through-hole is configured to be tapered at a transition position where the inner wall connects the handle housing, and the handle rod is rotatably fitted into the though-hole; a first wear-resistant member which is elastic and received in an accommodating area formed by a transition part of the through-hole and the handle rod; and a second wear-resistant member which is engaged to the handle rod and rests against the inner wall so that the handle rod and the handle housing are positioned on the same plane by suffered the limitation of the second wear-resistant member after making the handle rod and the handl

Abstract: A power conversion system includes a first power conversion port including a three-level power factor correction device and a primary power conversion circuit, a second power conversion port including a three-level rectifier and a third power conversion port including a rectifier, the first power conversion port, the second power conversion port and the third power conversion port magnetically coupled to each other through a transformer.

Abstract: The present disclosure relates to an extendable shower control device that comprises: a tube structure having a first inlet tube, a second inlet tube and an outlet tube; a mixing valve having mixing chamber in fluid communication with the outlet tube, as well as at least one of the first inlet tube and second inlet tube; a switching valve suitable for control the switching on/off of the outlet tube; a mounting disc provided to be spaced apart from the tube structure; and a transferring and adjusting mechanism which is mounted between the switching valve and the mounting disc in such a manner that the length of the mechanism is adjustable, and is able to operate the switching valve under an external force. The shower control device can be selectively configured in a wall in either a shallow or reduced installation state, or a deep or extended installation state.

Abstract: The invention refers to a panel assembly and a tap device including the panel assembly, wherein the tap device includes a valve with a valve cover, and the panel assembly includes a panel with a through hole, wherein the panel assembly further includes a positioning member passing through the through hole and can be secured to the panel, and the positioning member is movably plugged onto the valve cover in the axial direction of the valve cover.

Abstract: An apparatus includes a pulse-width modulation (PWM) generator configured to generate a PWM signal for controlling a power switch of a power converter, a bias switch and a bias capacitor connected in series and coupled to a magnetic winding of the power converter and a comparator having a first input connected to the bias capacitor, a second input connected to a predetermined reference and an output configured to generate a signal for controlling the bias switch to allow a magnetizing current from the magnetic winding to charge the bias capacitor when a voltage across the bias capacitor is less than the predetermined reference.

Abstract: The present disclosure relates to a shower device and a shower controlling device. The shower controlling device comprises: a tube structure having a first inlet tube, a second inlet tube and an outlet tube; a mixing valve having mixing chamber which is in fluid communication with the outlet tube and is maintained to be in fluid communication with at least one of the first inlet tube and second inlet tube; a switching valve which is spaced apart from the mixing valve and is suitable for controlling the switching on/off of the outlet tube; a mounting disc provided to be spaced apart from the tube structure; and a transferring and adjusting mechanism which is mounted between the switching valve and the mounting disc in such a manner that the length of the mechanism is adjustable, and is able to operate the switching valve under an external force.

Abstract: In the present invention a mixing valve is provided, comprising a valve seat provided with first and second fluid conduits and a mixed fluid conduit and including a first plug-fit portion and a first mounting portion, and a valve core defining first and second stop surfaces. The valve core comprises a valve housing provided with a second plug-fit portion configured to be mated with the first plug-fit portion, a valve shaft disposed within the valve housing and provided with a valve plate comprising a first regulating aperture and a second regulating aperture, a stop member mounted on the valve shaft, the valve core defining an initial position in which the stop member engages with the first stop surface and a final position in which the stop member engages with the second stop surface, and a valve module.

Abstract: A regulated partial power controlled converter is presented, with the partial power controlled converter containing a DC/DC converter receiving an input signal. The regulated partial power converter providing a first converted signal from a first terminal, and providing a second converted signal from a second terminal. The regulated partial power converter also contains a first capacitor connected between an output node and an intermediate node, a second capacitor connected between the intermediate node and a ground, and a charge balance circuit connected to the output node, the intermediate node, and the ground. An output power of the partial power controlled converter is based on a first partial power provided by the DC/DC converter and a second partial power provided by a charge balance circuit.

Abstract: The disclosure relates to technology for providing power, voltage, and/or current from a combination of photovoltaic modules. In one aspect, a system has central power optimizer, which is located between a group of distributed power optimizers and a solar inverter. Each distributed power optimizer may be connected to the DC output of one photovoltaic modules, and may be used to regulate the power output of the photovoltaic module. The combined DC voltages of the distributed power optimizers may be provided to the input of the central power optimizer.

Abstract: An apparatus includes a pulse-width modulation (PWM) generator configured to generate a PWM signal for controlling a power switch of a power converter, a bias switch and a bias capacitor connected in series and coupled to a magnetic winding of the power converter and a comparator having a first input connected to the bias capacitor, a second input connected to a predetermined reference and an output configured to generate a signal for controlling the bias switch to allow a magnetizing current from the magnetic winding to charge the bias capacitor when a voltage across the bias capacitor is less than the predetermined reference.

Abstract: An apparatus includes an isolated power converter having an input connected to an input dc power source, a first output and a second output, and a non-isolated power converter having an input connected to the second output of the isolated power converter, wherein the first output of the isolated power converter and an output of the non-isolated power converter are connected in series.

Abstract: The present disclosure relates to the field of fluid switch, and in particular, to an handle assembly and a faucet with the same, wherein the handle assembly comprises a handle including a handle rod; a handle housing which has an inner cavity and a through-hole, and the through-hole is defined by an inner wall which is formed by the handle housing extending towards the inner cavity from its one end, the through-hole is configured to be tapered at a transition position where the inner wall connects the handle housing, and the handle rod is rotatably fitted into the though-hole; a first wear-resistant member which is elastic and received in an accommodating area formed by a transition part of the through-hole and the handle rod; and a second wear-resistant member which is engaged to the handle rod and rests against the inner wall so that the handle rod and the handle housing are positioned on the same plane by suffered the limitation of the second wear-resistant member after making the handle rod and the handl

Abstract: A pull-down faucet includes a spout and a water hose movable within the spout. A spray hose connector is attached to the discharge end of the water hose. A sprayhead is in fluid communication with the spray hose connector and the water hose, and is movable between a docked position adjacent the discharge end of the spout, to an undocked position away from the spout. A magnet is secured to the interior of the spray hose connector, and a metallic element is secured near the discharge end of the spout.

Abstract: The invention refers to a panel assembly and a tap device including the panel assembly, wherein the tap device includes a valve with a valve cover, and the panel assembly includes a panel with a through hole, wherein the panel assembly further includes a positioning member passing through the through hole and can be secured to the panel, and the positioning member is movably plugged onto the valve cover in the axial direction of the valve cover.

Abstract: An apparatus comprises an isolated power converter coupled to an input dc power source, wherein the isolated power converter comprises a first switch network coupled to a first transformer winding and a second switch network coupled to a second transformer winding and a non-isolated power converter coupled to the second switch network of the isolated power converter, wherein a current flowing through the non-isolated power converter is a fraction of a current flowing through the isolated power converter.