Abstract: A wireless charger includes a charging base, a connector, and a cable. The charging base is connected to the connector through the cable. The charging base includes a first housing and a transmitting coil disposed in the first housing. The wireless charger further includes a boost circuit and an inverter circuit. The boost circuit is disposed outside the first housing, and is configured to boost a direct current voltage signal input through the connector. The inverter circuit is disposed between the boost circuit and the transmitting coil, and is configured to convert a boosted direct current voltage signal into an alternating current voltage signal, and transmit the alternating current voltage signal to the transmitting coil. The transmitting coil is configured to convert electric energy of the alternating current voltage signal into electromagnetic energy for wireless transmission.

Abstract: A power supply device according to an embodiment of the present disclosure includes: a connector connected to a charging and power supply port of a vehicle having a power storage device; a charging path for supplying power from a power supply PS to the vehicle through the connector to charge the power storage device; a power supply path for supplying power from the power storage device to the outside of the vehicle through the connector; a signal line connected to the vehicle through the connector; a resistance circuit having one end connected to a GND potential and having a resistance value R1; a resistance circuit having one end connected to a GND potential and having a resistance value R4; and a changeover switch for switching a state of connecting the signal line and one of the other end of the resistance circuit and the other end of the resistance circuit.

Abstract: A battery circuit including: a cell group composed of a plurality of battery cells C connected in series; a resistor group composed of a plurality of resistors R connected in series; and a connection/disconnection section configured to connect the cell group to the resistor group disconnectably, in which the connection/disconnection section is configured to be capable of changing a number of the resistors R connected in series to any one target cell of the plurality of battery cells C.

Abstract: Methods and systems for charging a device. The method may include providing a first housing including a first transceiver and a second transceiver, wherein each of the first transceiver and the second transceiver can function as both a wireless power receiver and a wireless power transmitter. The method may further include providing an orientation sensor configured to sense a magnetic orientation of an external device and enabling a first control logic to control the functioning of at least one of the first and second transceiver based at least on the magnetic orientation of the external device.

Abstract: A vehicle charging control system and a method therefor are provided. The vehicle charging control system includes a vehicle that identifies whether a distance to empty (DTE) is changed based on charging at a location of a first charging station among at least one charging station. The vehicle transmits state information of the first charging station, which is obtained based on whether the DTE is changed, through a communication module. The system also includes a server that receives the state information of the first charging station from the vehicle and notifies the vehicle of whether the first charging station is available based on the state information of the first charging station.

Abstract: A method manages a network of storage batteries for supplying electric current to an engine of an electrically propelled motor vehicle. The network includes a first storage battery and at least a second storage battery connected in parallel, each storage battery being connected to the rest of the network via a relay which enables the storage battery to be isolated from every other storage battery. The method includes acquiring a state of charge for each storage battery, determining, by a computer, a control setpoint for each relay based on the acquired states of charge, and controlling the relays based on each determined control setpoint. In the acquiring, the computer acquires a value of a first parameter relating to a level of wear of each storage battery. In the determining, each control setpoint is determined based on the value of the first parameter.

Abstract: A contactless electrical energy transfer device including a first system which includes at least one first coil including at least one first winding around at least one first zone without wire, a layer of ferromagnetic elements, at least one small column passing through the first coil by passing through a first zone without wire, and a second system which includes at least one second coil including at least one second winding around at least one second zone without wire. The small column or columns make it possible to optimize the magnetic coupling coefficient despite the absence of a layer of ferromagnetic elements in the second system. Also, a flying vehicle fitted with rechargeable batteries and its recharging base, both equipped with the electrical energy transfer device are provided.

Abstract: Disclosed are a battery swapping device, a battery swapping station and a battery swapping method. The battery swapping device comprises a turnover mechanism for turning a used battery pack taken out of an electric vehicle from a first position to a second position in a first direction; or turning a fresh battery pack taken out of a battery charging bin from a third position to a fourth position in a second direction, the first direction being opposite to the second direction. The present invention occupies less space for turnover, and can be significantly reduced with respect to a plane-rotating battery swapping device in structure. Thus, it can complete picking and placing of larger battery packs with a smaller space and structure. Therefore, battery swapping with a single large battery pack can be realized in a smaller area, thereby reducing the cost of the battery pack and facilitating promotion.

Abstract: This application provides a wireless charging circuit and system, an electronic device, and a control method, and relates to the field of wireless charging technologies, to alleviate a problem of small charging power of an electronic device having a wireless reverse charging function. In the wireless charging circuit, a first voltage conversion circuit converts a supply voltage into a first battery voltage of a first battery, to charge the first battery. The first voltage conversion circuit further outputs the first battery voltage provided by the first battery. A second voltage conversion circuit boosts the first battery voltage. The second voltage conversion circuit includes a first boost circuit and at least one stage of switched-capacitor direct current converter that are connected in series. A first alternating current/direct current conversion circuit converts a direct current voltage output by the second voltage conversion circuit into an alternating current voltage.

Abstract: A power supply apparatus, especially one for supply charging power to an electric toothbrush, comprises a first housing portion, a power input coupler, a second housing portion having a platform comprising platform surface which projects away from the first housing portion, and a power output coupler formed on the platform. The apparatus is configured for wall mounting so that a load can be charged while supported by a wall outlet.

Abstract: An apparatus includes a controller configured to: determine whether a first current measurement, a second current measurement, and a third current measurement are balanced; in response to a determination that the first current, the second current, and the third current are balanced, determine a weight factor; determine a product of a direct current voltage output measurement, the weight factor, a first sine reference, a second sine reference, and a third sine reference; generate a set of unbalanced current set points based on the product; and regulate the first current of the first current controller, the second current of the second current controller, and the third current of the third current controller using the set of unbalanced current set points.

Abstract: An electric vehicle that includes an on-board charger for a battery of an electric vehicle. The electric vehicle includes an AC machine and an inverter drive for the AC machine. The on-board charger includes an integrated active filter rectifier coupled to a DC/DC converter. The integrated active filter rectifier is configured to use at least one phase inductor of the AC machine and at least one leg of the inverter drive to perform power factor correction. The on-board charger is a non-isolated converter that renders both operations of traction and charging from both single-phase and three-phase grids. Moreover, the on-board charger performs fast AC charging without generating shaft torque during charging.

Abstract: The present invention relates to a charging system for personal mobility devices and, more particularly, may includes: support units provided with slots into which wheels of personal mobility devices are mounted; first charging units which are installed toward the personal mobility devices and generate magnetic fields for wireless charging; and second charging units which are mounted onto the personal mobility devices, and which covert the magnetic fields, received via the first charging units, into electric power to charge the batteries provided in the personal mobility devices.

Abstract: A power storage system includes: a stationary power storage device configured to supply electric power to an electrical load; a control device configured to receive supply of electric power from each of the power storage device and another power source; a relay located between the power storage device and the control device and between the power storage device and the electrical load, but not between the control device and the power source; and an input device configured to accept input from a user. When a connection request is input to the input device while the relay is in a disconnected state, the control device brings the relay into a connected state.

Abstract: Disclosed is a wireless power transmitting module comprising: a coil unit provided with a coil body in which a conductive member having a predetermined length is wound in one direction, and with a planar coil including a pair of terminal portions extending from the coil body by a predetermined length for electrical connection; a main shielding sheet arranged on one surface of the coil unit to shield a magnetic field generated from the coil unit; an accommodating portion formed through the main shielding sheet so as to accommodate the thickness of at least one of the pair of terminal portions; and an auxiliary shielding sheet attached to one surface of the main shielding sheet so as to cover the accommodating portion in order to shield a magnetic field leaking through the accommodating portion, wherein the auxiliary shielding sheet has a relatively thinner thickness than the main shielding sheet.

Abstract: A charge controller including: an environment prediction part that predicts, during charging of a battery mounted on a vehicle, a state of an external environment of the vehicle after an end of charging; a target temperature setting part that sets a target temperature of the battery at the end of charging on the basis of the state of the external environment predicted by the environment prediction part; and temperature adjusting part that adjusts a temperature of the battery during the charge such that the temperature of the battery becomes the target temperature set by the target temperature setting part at the end of charging.

Abstract: A wireless power transmission system includes a wireless power transmitter, a wireless power transfer circuit electrically connectable to the at least one wireless power transmitter, and a transmitter controller. The transmitter controller is configured to determine presence of a wireless power receiver system, encode or decode a communications signal communicated over a magnetic field, the magnetic field produced by coupling of the wireless power transmitter and the one or more wireless power receiver systems. The transmitter controller is further configured to determine presence of one or more of unwanted noise, unwanted data, or combinations thereof, within a proximity communications frequency band, the proximity communications frequency band substantially similar to the communications frequency band. The transmitter controller is further configured to filter the one or more of unwanted noise, unwanted data, or combinations thereof to determine a filtered communications signal.

Abstract: According to one or more embodiments, a system, spares cabinet, and method for maintaining a state of charge of spare batteries. The spare cabinet may include an enclosure, a plurality of batteries with given states of charge stored within the enclosure, a charger and a load to charge and discharge the batteries to a storage or transportation state of charge. The spares cabinet may also include a controller configured to maintain the plurality of batteries at the storage or transportation state of charge by causing the charger or load to charge or discharge batteries, and a multiplexor configured to electrically couple the batteries to the controller. The spares cabinet may further include a human-machine interface coupled to the controller that is configured to receive inputs to the system and to display a current state of charge for the batteries.

Abstract: An electronic device includes a first housing, a second housing, and a wireless charging antenna. The second housing is connected to the first housing such that the position thereof relative to the first housing is variable. The wireless charging antenna includes a shielding member and a reception coil alternately wound on a first surface of the shielding member and a second surface opposite to the first surface, and is disposed in at least one of the first housing and the second housing. A battery is electrically connected to the wireless charging antenna.

Abstract: An electric vehicle charging control device includes a charging station and an electronic dynamic charging schedule generator. The charging station has at least a first charging port and a second charging port. The electronic dynamic charging schedule generator has an electronic controller is configured to determine when a first electric vehicle user accesses the first charging port. The electronic controller is further configured to determine when a second electric vehicle user accesses the second charging port. The second electric user accesses the second charging port after the first user accesses the first charging port. The electronic controller is programmed to generate a first charging schedule for the first electric vehicle. The electronic controller is programmed to generate a second charging schedule for the second electric vehicle. The electronic controller is programmed to update the first charging schedule based on the second charging schedule.