Abstract: A method for controlling a smart plug of a home system, a smart plug, and a home system. The method includes acquiring conditions of currently running household appliances accessing sockets and setting the priority sequence of the currently running household appliances according to the conditions of the currently running household appliances accessing the sockets. Household appliances accessing different sockets of a smart plug can have a priority sequence, and therefore, a user can rank the priorities of a plurality of household appliances by means of the smart plug and can flexibly adjust the priority sequence according to usage habits, thereby not only facilitating integrated management of usage conditions, power consumption conditions and running states of the plurality of household appliances, but also ensuring the flexibility of setting the priority sequence, such that the entire running condition of a home system is more adapted to real-time usage requirements of the user.

Abstract: A single-stage AC-DC converter circuit with a power factor correction function. The single-stage AC-DC converter circuit comprises a primary-side AC-DC converter, a transformer, a secondary-side AC-DC converter and a controller which are connected to each other. The primary-side AC-DC converter is configured to convert an AC power source into DC. The secondary-side AC-DC converter is configured to convert electrical energy into DC and supply power to a load. The controller is configured to control duty ratios of power switches in the primary-side and secondary-side AC-DC converters, and a phase difference between control signals for the power switches, and finally control the amount of electrical energy transfer and correct a power factor. The single-stage AC-DC converter circuit of the present invention reduces the capacity and volume of a filter inductor and a voltage stabilizing capacitor, and has the advantages of simple circuit and low cost.

Abstract: The present invention discloses a two-output charging circuit and a method for controlling its auxiliary circuit switch. The two-output charging circuit includes two first-stage switch transistors in the half-bridge inverter circuit generating dead time at changing-over and turn-on, and the second-stage switch transistor being turned off within the dead time. In the present invention, making use of a magnetic core to return from the reverse in its bidirectional magnetization process generates dead time, and controlling the time sequence of the switch device of the post-circuit in the dead time abates the voltage stress of the synchronous rectifier diode and reduces the loss of the absorption circuit of the synchronous rectifier circuit.

Abstract: The present invention discloses a charging power supply circuit and a control method thereof, the charging power supply circuit includes a PFC circuit, a driver module, and a high-voltage output circuit and a low-voltage output circuit both connected to said PFC circuit, wherein the PFC circuit is connected to AC mains, and the drive module is used to set the operation range of said PFC circuit to the range near the zero point of AC input voltage. Using the technical solution of the present invention can achieve keeping the topology on the demand for isolation and reduce the volume and cost of PFC circuits.

Abstract: The present invention discloses an insulation detection circuit and a detection method thereof for a two-way on-board charger. The detection circuit comprises an inverter circuit, a first Y capacitor connected between an output live line and a ground line of the inverter circuit, a second Y capacitor connected between an output neutral line and the ground line of the inverter circuit, a live line sampling circuit and a neutral line sampling circuit which are connected with the output live line and the output neutral line of the inverter circuit, and a controller. The controller determines an insulation state of the two-way on-board charger according to two sampling voltages.

Abstract: A magnetic balance circuit of a bidirectional resonant converter and a control method thereof are provided. The magnetic balance circuit includes a primary conversion circuit, a transformer, a secondary conversion circuit, and a controller. Said primary conversion circuit is connected to a primary winding of said transformer through a first capacitor, a current transformer is set between the secondary winding of said transformer and said secondary conversion circuit. According to the positive component of the current in the cavity of the secondary conversion circuit and the negative component of the current in the cavity of the secondary conversion circuit, said controller further controls the duty ratios of the switches in the secondary conversion circuit. In the invention, the magnetic deviation phenomenon on both sides of the bidirectional resonant converter is effectively eliminated to achieve balance control for the magnetic circuit, thereby avoiding saturation.

Abstract: A magnetic balance circuit of a bidirectional resonant converter and a control method thereof are provided. The magnetic balance circuit includes a primary conversion circuit, a transformer, a secondary conversion circuit, and a controller. Said primary conversion circuit is connected to a primary winding W1 of said transformer through a first capacitor C1, a current transformer CT is set between the secondary winding of said transformer and said secondary conversion circuit. According to the positive component Ipositive of the current in the cavity of the secondary conversion circuit and the negative component Inegative of the current in the cavity of the secondary conversion circuit, said controller further controls the duty ratios of the switches in the secondary conversion circuit. In the invention, the magnetic deviation phenomenon on both sides of the bidirectional resonant converter is effectively eliminated to achieve balance control for the magnetic circuit, thereby avoiding saturation.

Abstract: A three-port charger with an inversion function includes a primary side conversion circuit connected with a primary side winding of a transformer, a secondary side first conversion circuit connected with a second winding of the transformer, a secondary side second conversion circuit connected with a third winding of the transformer and a fourth winding of the transformer which are connected in series, and a central control unit used for controlling switches in the primary side conversion circuit, the secondary side first conversion circuit and the secondary side second conversion circuit. The primary side conversion circuit is connected with an external power supply, the secondary side first conversion circuit is connected with a high-voltage battery. The secondary side second conversion circuit is connected with a low-voltage load. The present invention integrates the independent charger and a high-power DCDC module, and shares a power switch, a control circuit and a magnetic core.

Abstract: A single-stage AC-DC converter circuit with a power factor correction function. The single-stage AC-DC converter circuit comprises a primary-side AC-DC converter, a transformer, a secondary-side AC-DC converter and a controller which are connected to each other. The primary-side AC-DC converter is configured to convert an AC power source into DC. The secondary-side AC-DC converter is configured to convert electrical energy into DC and supply power to a load. The controller is configured to control duty ratios of power switches in the primary-side and secondary-side AC-DC converters, and a phase difference between control signals for the power switches, and finally control the amount of electrical energy transfer and correct a power factor. The single-stage AC-DC converter circuit of the present invention reduces the capacity and volume of a filter inductor and a voltage stabilizing capacitor, and has the advantages of simple circuit and low cost.

Abstract: The present invention relates to a process for cosmetic treatment of the skin, comprising the application to the skin of a composition comprising a compound (I) with R, R? and X as defined in the description and S* a monosaccharide or polysaccharide.

Abstract: A dual-output port charging circuit includes a primary switching circuit, a secondary first switching circuit, a secondary second switching circuit, a transformer connected to the three circuits, and a controller. The controller receives and samples an output voltage and an output current of the secondary second switching circuit, the output voltage and the output current are compared with a reference value, and a compensation is made, so as to eventually control an on-off time of a switch in the primary switching circuit; and the controller receives and samples an output current of the primary switching circuit, a zero-cross delay is calculated through a zero detection, so as to control an on-off time of a rectification switch in the secondary second switching circuit. One controller is used to flexibly control voltages of two direct current output ports with accurate voltage regulation and strong antijamming capability.

Abstract: The present invention discloses an insulation detection circuit and a detection method thereof for a two-way on-board charger. The detection circuit comprises an inverter circuit, a first Y capacitor connected between an output live line and a ground line of the inverter circuit, a second Y capacitor connected between an output neutral line and the ground line of the inverter circuit, a live line sampling circuit and a neutral line sampling circuit which are connected with the output live line and the output neutral line of the inverter circuit, and a controller. The controller determines an insulation state of the two-way on-board charger according to two sampling voltages.

Abstract: A three-port charger with an inversion function includes a primary side conversion circuit connected with a primary side winding of a transformer, a secondary side first conversion circuit connected with a second winding of the transformer, a secondary side second conversion circuit connected with a third winding of the transformer and a fourth winding of the transformer which are connected in series, and a central control unit used for controlling switches in the primary side conversion circuit, the secondary side first conversion circuit and the secondary side second conversion circuit. The primary side conversion circuit is connected with an external power supply, the secondary side first conversion circuit is connected with a high-voltage battery. The secondary side second conversion circuit is connected with a low-voltage load. The present invention integrates the independent charger and a high-power DCDC module, and shares a power switch, a control circuit and a magnetic core.

Abstract: A phase shift control method for a charging circuit is disclosed. The charging circuit includes a primary conversion circuit, a first secondary conversion circuit, and a second secondary conversion circuit. The controller causes a phase angle difference ? between an ON/OFF waveform of power switches in the primary conversion circuit and an ON/OFF waveform of power switches in the first secondary conversion circuit. The controller collects an output current (Io1) and an output voltage (Vo1) of the first secondary conversion circuit, collected by the first secondary current collector and the first secondary voltage collector, carries out comparison and calculation between the collected output current and output voltage and a preset output current and output voltage, and adjusts the magnitude and positive and negative of the phase angle difference ? according to the comparison result.

Abstract: A phase shift control method for a charging circuit is disclosed. The charging circuit includes a primary conversion circuit, a first secondary conversion circuit, and a second secondary conversion circuit. The controller causes a phase angle difference ? between an ON/OFF waveform of power switches in the primary conversion circuit and an ON/OFF waveform of power switches in the first secondary conversion circuit. The controller collects an output current (Io1) and an output voltage (Vo1) of the first secondary conversion circuit, collected by the first secondary current collector and the first secondary voltage collector, carries out comparison and calculation between the collected output current and output voltage and a preset output current and output voltage, and adjusts the magnitude and positive and negative of the phase angle difference ? according to the comparison result.

Abstract: The invention relates to a cosmetic process for depigmenting, lightening and/or bleaching keratin materials, in particular the skin, comprising the application of a cosmetic composition comprising a compound of formula (I): compound of formula (I): (I) The invention also relates to the novel compounds of formula (I), to the compositions containing same and also to the cosmetic use of a compound (I) as an agent for bleaching, lightening and/or depigmenting keratin materials.

Abstract: A dual-output port charging circuit includes a primary switching circuit, a secondary first switching circuit, a secondary second switching circuit, a transformer connected to the three circuits, and a controller. The controller receives and samples an output voltage and an output current of the secondary second switching circuit, the output voltage and the output current are compared with a reference value, and a compensation is made, so as to eventually control an on-off time of a switch in the primary switching circuit; and the controller receives and samples an output current of the primary switching circuit, a zero-cross delay is calculated through a zero detection, so as to control an on-off time of a rectification switch in the secondary second switching circuit. One controller is used to flexibly control voltages of two direct current output ports with accurate voltage regulation and strong antijamming capability.

Abstract: The present invention relates to a process for cosmetic treatment of the skin, comprising the application to the skin of a composition comprising a compound (I) with R, R? and X as defined in the description and S* a monosaccharide or polysaccharide.

Abstract: The process for preparing 2-hydroxyphenyl alkenyl benzotriazole compounds and the process for preparing siloxane compounds containing 2-hydroxyphenyl benzotriazole function are disclosed.

Abstract: A resonant conversion circuit includes resonant conversion circuit units having at least two phases interleaved in parallel, where magnetic devices in the resonant conversion circuit units are magnetically integrated in an inter-phase manner on a same magnetic core. Because a magnetic coupling action exists between the magnetic devices integrated on the same magnetic core, automatic current sharing effect is produced on currents in circuit branches of different phases. In this way, current sharing of the resonant conversion circuit units of various phases is achieved, and the volume of a power supply is reduced because of integration of the magnetic devices.