Abstract: A power storage device includes: power storage units each including at least one battery, the power storage units being connected in series; cell balance units connected in parallel to the respective power storage units via switches; and a control unit that performs control to charge the power storage units with a first constant current value, and, when the power storage unit having the highest voltage among the power storage units reaches a first potential, connect the corresponding one of the cell balance units to the power storage unit having the highest voltage, and switch the charging current to a second constant current value that is smaller than the first constant current value.

Abstract: A battery charging apparatus for charging batteries of fixed voltage charge receiving batteries and flexible voltage charge receiving batteries. A wall receptacle charger outlet, an “all-in-one” vehicle or home charger, a hands-free docking station charger, a wall mountable USB charging strip and a holder for multiple charger receiving devices that includes a charger are disclosed.

Abstract: A battery charging apparatus for charging batteries of fixed voltage charge receiving batteries and flexible voltage charge receiving batteries. A wall receptacle charger outlet, an “all-in-one” vehicle or home charger, a hands-free docking station charger, a wall mountable USB charging strip and a holder for multiple charger receiving devices that includes a charger are disclosed.

Abstract: A charging method of a portable electronic device, adapted to charge a battery module of a portable electronic device, the charging method comprising detecting a battery voltage and a charging current of the battery module; determining whether the portable electronic device operates at a constant current mode according to the battery voltage; entering an over voltage protection charging loop while the portable electronic device operates at the constant current mode and allows the battery module to be charged up at a maximum charging voltage, and leaving the over voltage protection charging loop while the charging current is smaller than a predetermined current, wherein the maximum charging voltage is gradually decreased according to a comparison result between the battery voltage and an overcharging protection voltage; and setting the maximum charging voltage as a full charge voltage while leaving the over voltage protection charging loop.

Abstract: The present disclosure discloses a circuit protection method. The method includes that: a voltage or a current sent by a sending end is received, and a received voltage value or current value is sampled; when it is detected that the sampled voltage value or current value is in a first pre-set threshold range, a pre-set input control switch is controlled to be turned on, and the input of a voltage or a current of the sending end is received; the received voltage or current is converted, and a voltage value of the processed voltage or a current value of the processed current is sampled; and when it is detected that the processed voltage value or current value is in a second pre-set threshold range, a pre-set output control switch is controlled to be turned on, and the processed voltage or current is allowed to be outputted. The present disclosure also discloses a circuit protection apparatus, a charging device and a computer storage medium.

Abstract: Disclosed is a circuit board for a secondary battery, which ensures an improved safety according to a temperature of the secondary battery, and a battery pack including the circuit board.

Abstract: A holder configured to hold one or more components of a wireless charging power transfer system is provided. The apparatus comprises a first surface having one or more grooves configured to receive at least a portion of a conductor of a coil that spans the holder and at least one other holder, the coil configured to inductively transfer power via a magnetic field. The apparatus comprises one or more mechanical connectors configured to fasten the holder to the at least one other holder. The apparatus further comprises a plurality of transverse grooves on the first surface that extend in a direction substantially perpendicular to a direction of extension of the one or more grooves, the plurality of transverse grooves configured to guide the conductor of the coil from the holder to the at least one other holder.

Abstract: A rapid charging device for charging an internal battery of an electronic device. The rapid charging device includes one or more charging stations. Each charging station includes a charging platform that includes multiple different charging tips. Each of the different charging tips can be used to charge a different type of electronic device. A support cradle in the charging station provides support for the electronic device when the electronic device is being charged. The support cradle is movable relative to the charging platform to position the electronic device above the desired charging tip. The rapid charging device includes internal power supply circuit that regulates the voltage supplied to each of the electronic devices and supplies current above the maximum charging current for the electronic device such that the electronic device can charge at its most rapid rate.

Abstract: A battery charging apparatus for charging batteries of fixed voltage charge receiving batteries and flexible voltage charge receiving batteries. A wall receptacle charger outlet, an “all-in-one” vehicle or home charger, a hands-free docking station charger, a wall mountable USB charging strip and a holder for multiple charger receiving devices that includes a charger are disclosed.

Abstract: According to the present invention, in a charger for charging a secondary battery, in order to solve the problem that when usage fees are settled before the start of charging to prevent the nonpayment of usage fees, the possibility arises that the usage fees will be refunded, the usage fees of the charger are settled before the charging is completed. The charger (200) has: a power supply unit (210) that supplies electric power to a secondary battery; and a settlement unit (220) that settles the usage fees for using the charger after the supply of electric power to the secondary battery has started but before the termination of charging.

Abstract: A rechargeable illumination device includes an USB input unit, a booster circuit, a manage unit, a battery unit, and an illumination unit. Therein, the USB input unit is for inputting a direct current. The booster circuit is connected with the USB input unit for boosting the voltage of the direct current up to 6.5V. The manage unit is electrically connected with the booster circuit. The battery unit includes a plurality of rechargeable batteries for being electrically connected with the manage unit. The illumination unit is electrically connected with the battery unit. With such configuration, the manage unit charges the battery unit with the boosted direct current, so as to provide a sufficient power source to the illumination unit.

Abstract: An internal charging system controls charging of a battery used to power an electronic device when an external power source is connected to the device. The internal charging system can charge a battery that has a higher operating voltage than the voltage provided by the external power source. While charging the battery from the external power source, an internal charge controller can operate and inhibit functions of the device to indicate to user that a charging operation is commencing, and to prevent operation of the device when the battery voltage is too low to support such operation.

Abstract: A monitoring system for charging of a super capacitor, comprising three parts, i.e. a power line, monomer super capacitor monitoring subsystems and a master monitoring system, wherein the master monitoring system comprises a charging circuit (2), a power supply unit (7), a master single chip microcomputer (4), a carrier communication module (3), a human-machine interface module (5), a storage unit (6) and an RS-232 module (8); and each of the monomer super capacitor monitoring subsystems comprises a monomer super capacitor (1), a power supply unit (7), a slave single chip microcomputer (11), a carrier communication module (3), a voltage, current and temperature detection unit (9) and a storage unit (6). The master monitoring system charges a super capacitor group through the power line and the charging circuit. The monitoring system can control the charge states of various monomer super capacitors, thereby avoiding the occurrence of an over-charging phenomenon.

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus detects a level of power received from each of a plurality of sources. The apparatus directs the power received from a first source to a charging circuit and directs the power received from at least a second source to the charging circuit. The apparatus directs the power received from the first source to the charging circuit by comparing the detected level of the power with a threshold and directing the power to the charging circuit based on a result of the comparison. The apparatus directs the power received from the at least a second source to the charging circuit by comparing the detected level of the power with the threshold and directing the power to the charging circuit based on a result of the comparison.

Abstract: A charging method and a portable electronic device using the same are provided. The charging method includes following steps: detecting a battery voltage and a charging current of a battery module; determining whether the portable electronic device operates at a constant voltage (CV) charging mode; executing an impedance calculation at the CV charging mode to obtain a first battery voltage corresponding to a first predetermined current and a second battery voltage corresponding to a second predetermined current; calculating a compensation impedance according to the predetermined current and the battery voltages; setting a maximum charging voltage according to the compensation impedance and executing a CV charging to the battery module accordingly; determining whether a current variation of the charging current is larger than a threshold value; re-executing the impedance calculation; updating a setting value of the maximum charging voltage when the current variation is larger than the threshold value.

Abstract: The electric power loss at the time of charging/discharging storage batteries is reduced. An electric power system control device maintains a balance of power supply and demand of an electric power system by controlling charging/discharging of a storage battery, and includes a frequency detection unit; a frequency prediction unit which predicts the frequency from the frequency calculated by the frequency detection unit and history data of power generation/load supply-demand data. A charging/discharging amount determination unit sets a charging/discharging amount corresponding to a value lower or higher than the frequency of the electric power system predicted by the frequency prediction unit within a range not exceeding a lower or higher limit value of the frequency and determines the charging/discharging amount of the storage battery based on the value. And, a control command unit transmits a control command to the storage battery based on a result of the charging/discharging amount determination unit.

Abstract: A control device for a secondary battery using positive electrode active material made of solid solution material, comprising: a voltage detecting unit configured to detect an actual open circuit voltage value; an SOC detecting unit configured to detect an actual state of charge value on a basis of the actual open circuit voltage value and/or an actual current value; a memory unit configured to store a voltage-SOC standard control curve which shows a relation between an open circuit voltage value and a state of charge value; a presumed voltage calculating unit configured to calculate a presumed voltage value on the basis of the actual state of charge value and the voltage-SOC standard control curve stored in the memory unit; a determining unit configured to determine sameness between the actual voltage value detected by the voltage detecting unit and the presumed voltage value calculated by the presumed voltage calculating unit.

Abstract: A system and method for integrating a wireless charging device with a display is provided herein. The system includes an information receiver to receive information from the wireless charging device; an information processor to process the information, and the processed information being about a wireless charging device or an electronic device on the wireless charging device; and an information communicator to communicate the processed information to a display coupled to the system.

Abstract: A system, method and device for providing feedback based on an electronic device placed on a wireless charging device are provided. The system includes a device detector to receive an indication that a device is on the wireless charging device; a displacement detector to initiate a strength measurer to operate; the strength measurer to receive a strength indication of wireless charging from the wireless charging device independent of the electronic device; and a communicator to communicate an indication of the measured strength indication to an output device.

Abstract: A monopod for mounting to the navigation light power port of a marine vessel, such as a bass boat or speed boat, which provides power for mobile accessories, such as cameras and smart phones. The monopod may be fitted with extendable, bendable arms for mounting additional cameras or for providing additional accessories. An embodiment of the monopod includes an extension arm which may be maneuvered and bent such that it provides a fisherman access to multiple accessories even while the fisherman is located in the fishing chair of a bass boat.

Abstract: A monopod for mounting to the boat seat mount of a marine vessel, such as a bass boat or speed boat, which is capable of providing power for mobile accessories via a second monopod affixed to the navigation light port of the boat. The monopod is extendable to heights up to or exceeding eight feet (8?) above the deck of the boat, providing exceptional views for recording with a mounted camera while users participate in sports or other events within the boat. A release mechanism allows one portion of the monopod to telescope away from a second portion, thereby extending the monopod.

Abstract: In a coil unit, a first magnetic body 11, a first coil 12 for non-contact power transmission, a second magnetic body 21, a substrate 30, and a second coil 22 for non-contact wireless communication are laminated in this order in the thickness direction of the coils. The first coil 12 and the second coil 22 at least partially overlap each other. A region in which the first coil and the second coil do not overlap each other is provided on the inner circumferential side of the first coil. The second coil 22 overlaps the outer circumference of the first coil 12. A resonance frequency of the first coil 12 is lower than a resonance frequency of the second coil 22. The permeability of the first magnetic body 11 is greater than the permeability of the second magnetic body 21.

Abstract: The present invention is directed to an apparatus and a method for charging a portable electrical device that features a switching system to selectively place an electrical storage subsystem in electrical communication with a source of light and a photovoltaic transducer. In one embodiment, the source of light is configured to direct optical energy upon a mounting surface and the photovoltaic transducer include optical sensors disposed on a sensing surface of the apparatus disposed opposite to the mounting surface. In another embodiment the optical sensors are disposed in the mounting surface. An electrical storage subsystem is included in the apparatus that is selectively placed in electrical communication with one of the photovoltaic transducer and the source of light. The source of light may be a single source of light or a plurality of light emitters.

Abstract: A solar power generation system includes a storage battery, a solar power generation device that is provided on the side of the storage battery and outputs solar generated power, and a power control device. The power control device includes a variation component extraction unit that extracts a shade variation component from a generated power signal measured by the solar power generation device, a smoothing unit that smoothens the shade variation component obtained by the variation component extraction unit, a system output correction unit that obtains a system output power target value which is a combined output between a discharge output of the storage battery and the solar generated power on the basis of an output signal from the smoothing unit, and a charge/discharge output correction unit that corrects a charge/discharge target value which is a difference between the system output power target value and the generated power signal on the basis of a current time and a state of charge of the storage battery.

Abstract: Described herein are batteries for medical devices as well as accessories to house and use the batteries.

Abstract: A charging device configured to charge a mobile device through the solar cells integrated on the mobile device. The charging device converts wall power to light energy which can be absorbed by the solar cells and then converted to electricity for storage in the rechargeable battery of the mobile device. The charging device includes a light source configured to emit a light beam having a spectrum tuned to the spectral response of the solar cells. The charging device includes a proximity sensor for detecting the presence of a mobile device within the charging device housing and responsively signaling the activation of the light source. The charging device includes logic for wirelessly communicating with the mobile device as well as controlling the charging process in various stages and aspects. The light source may be LEDs that also serve to transmit light communication signals to the mobile device.

Abstract: The present invention relates to an electrical appliance comprising an electronic control unit (6) and a power circuit (7) supplying power to said electronic control unit (6), the power circuit (7) comprising a soft on/off switch (1) for turning on and off the electrical appliance, the soft on/off switch (1) being connected electrically in parallel with a relay (2) and a rectifier (3). The power circuit (7) further comprises an electrical node connecting the soft on/off switch (1) and the rectifier (3) to a button sensing circuit (4) and to an AC/DC converter (5) together.

Abstract: In embodiments, a mobile device includes a primary battery as a power source to power components of the mobile device, and includes a secondary battery as an additional power source to power the components of the mobile device. A sensor is implemented to detect an acceleration of the device that indicates an impending secondary battery disconnect event due to the mobile device falling. A battery controller is implemented to receive a sensor input of the detected acceleration from the sensor. The battery controller can then switch from the secondary battery to the primary battery as the power source based on the detected acceleration of the mobile device. The battery controller can switch back from the primary battery to the secondary battery as the power source based on the acceleration of the mobile device no longer being detected.

Abstract: In embodiments, a mobile device includes a primary battery as a power source to power components of the mobile device, and includes a secondary battery as an additional power source to power the components of the mobile device. A sensor is implemented to detect moisture proximate a battery connection of the secondary battery, where the detected moisture indicates an impending secondary battery disconnect event due to the secondary battery shorting out. A battery controller is implemented to receive a sensor input of the detected moisture from the sensor. The battery controller can then switch from the secondary battery to the primary battery as the power source based on the detected moisture proximate the battery connection of the secondary battery.

Abstract: An uninterruptible power supply system has a three-level T-Type inverter A method that improves clearing a short of a load coupled to an output of the inverter when the load experiences a short circuit event includes commutating with a controller each phase of the inverter in a two level mode current generation when output voltage and output current of that phase have the same direction and commutating each phase of the inverter in a three level mode current generation when the output voltage and output current of that phase have opposite directions.

Abstract: A power supply bus circuit includes a high-voltage power supply circuit, the high-voltage power supply circuit includes at least two first alternating current/direct current converters and further includes at least two high-voltage direct current power supply buses, and the first alternating current/direct current converter connects to mains, adjusts the connected mains into a high-voltage direct current, and outputs the high-voltage direct current to the high-voltage direct current power supply bus that is electrically connected to the first alternating current/direct current converter, where the high-voltage power supply circuit further includes at least one first direct current/direct current converter, where the first direct current/direct current converter performs voltage conversion on the high-voltage direct current between two high-voltage direct current power supply buses connected to the first direct current/direct current converter.

Abstract: A wireless power transmitter may include a transmit coil configured to generate a wireless power signal for wireless power transfer, at least one secondary sensing coil configured to generate a signal responsive to a magnetic flux field generated during the wireless power transfer, and control logic configured to detect at least one condition of a wireless power transfer system responsive to detecting distortion in the magnetic flux field from the at least one signal received from the secondary sensing coil. A related method may include generating with a wireless power transmitter a wireless power signal, generating with a plurality of secondary sensing coils one or more signals responsive to a magnetic flux field generated during the wireless power transfer, and detecting at least one condition of a wireless power transfer system responsive to the one or more signals generated by the plurality of secondary sensing coils.

Abstract: A wireless energy transfer enabled battery includes a resonator that is positioned asymmetrically in a battery sized enclosure such that when two wirelessly enabled batteries are placed in close proximity the resonators of the two batteries have low coupling.

Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

Abstract: A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

Abstract: Disclosed herein is a detecting device including a coil electromagnetically coupled to the external, a resonant circuit that includes at least the coil, and a detecting section that superimposes a measurement signal for measuring the Q-factor of the resonant circuit on a power transmission signal transmitted to the coil in a contactless manner and removes the power transmission signal from an alternating-current signal obtained by superimposing the measurement signal on the power transmission signal. The detecting section measures the Q-factor by using the alternating-current signal from which the power transmission signal is removed.

Abstract: Methods and apparatus for detecting the presence of undesirable foreign matter in a region between a wireless power transmission apparatus and a power reception apparatus are described. First and second detection methods, based on different detection schemes, may be used to detect and distinguish the presence of foreign matter from misalignment during power transfer operation method may be used while power is supplied to the load.

Abstract: A power supply apparatus includes a power supply unit that wirelessly supplies power to an electronic device, a communication unit that transmits information related to the power supply apparatus to the electronic device, transmits information for requesting the electronic device for transmitting information related to the electronic device, when a predetermined time has elapsed after the information related to the power supply apparatus is transmitted to the electronic device, and receives the information related to the electronic device from the electronic device; and a control unit that uses the information related to the electronic device to control power to be wirelessly supply to the electronic device, after the information related to the electronic device is received from the electronic device.

Abstract: Techniques of wireless power transmission are described herein. An example wireless power transmitting apparatus may include a coil and control circuitry. The control circuitry is configured to apply a first signal to the coil and measure a change in a current in the coil to discover presence of an object. The control circuitry is also configured to provide a second signal to the coil, subsequent to discovering presence of the object. The control circuitry is also configured to detect whether the object is a Power Receiver based on whether a load modulated signal is received from the object subsequent to providing the second signal. The control circuitry is also configured to perform power transfer to the object subsequent to detection that the object is a Power Receiver.

Abstract: A Blushless Direct Current (BLDC) motor may include a motor housing; a stator including a stator core installed within the motor housing and a coil wound in the stator core and that generates a magnetic field by applied power; and a rotor disposed within the stator and in which a magnet that interacts with the magnetic field is installed and that rotates within the stator by an interaction with the magnetic field. The stator core may include a back yoke in which straight portions and curved portions are alternately formed; and teeth protruded from the back yoke toward the magnet. The tooth include a neck protruded from the back yoke, and a shoe protruded from the neck and separated from the magnet and that encloses at least a portion of the magnet. A ratio A/B of a width A of the neck to a width B of a shoe end portion is 2.5 to 3.5. By optimizing a ratio A/B of a width A of the neck to a width B of the shoe end portion constituting the stator core, efficiency of a BLDC motor may be maximized.

Abstract: An outer rotor-type rotating electric machine includes a rotor and a stator. The rotor includes a plurality of magnets each of which extends in a circumferential direction of the rotor and is magnetized in a radial direction of the rotor. The stator is disposed radially inside the rotor. The stator has a plurality of stator teeth formed in a radial pattern. Each of the stator teeth has an inner circumferential width at its radially inner end and an outer circumferential width at its radially outer end. Moreover, the following relationship is satisfied: Wi/Wo?0.6, where Wi is the inner circumferential width and Wo is the outer circumferential width of each of the stator teeth.

Abstract: A first end contact portion of a first frame end contacts one end surface of a stator core. A second end contact portion of a second frame end contacts the other end surface of the stator core and includes an inner tubular part, which contacts the other end surface of the stator core, and a fixing part, which projects radially outward from the inner tubular part and contacts the other end surface. A through-bolt is threaded into the fixing part. An outer diameter of the one end surface is smaller than an outer diameter of an opposing surface of the first end contact portion. An outer diameter of an opposing surface of the inner tubular part is smaller than an outer diameter of the other end surface. A yoke of the stator core includes a relief groove, into which a portion of the through-bolt is fitted.

Abstract: An electric rotary machine includes a stator, which Is fixed to a housing, composed of a stator core having a coil end protruding at an end face of the stator core, a rotor core formed by laminating core sheets, and a rotor having a pair of rotor side-plates sandwiching both end faces of the rotor core. The rotor core is rotatably supported in the housing facing an inner peripheral surface of the stator with a gap between the rotor core and the stator. Either one or both of the rotor side-plates has a concave surface in an outer surface of the side-plate that does not abut the rotor core. An axial distance from the end face of the rotor core to the concave surface increases from an inner diameter side to an outer diameter side.

Abstract: A rotor segment of a rotor of a rotating electrical machine includes at least one stack of segment laminations. The stack is configured as a cylinder having a basal surface in perpendicular relationship to a rotor axis of the rotor and a lateral surface in perpendicular relationship to the basal surface. The segment laminations are identical in shape and stacked in a direction that is parallel to the rotor axis. The basal surface has a basal surface contour which includes a first contour section on a side of the rotor axis, a second contour section opposite to the first contour section, and two third contour sections. Each third contour section connects an end of the first contour section to an end of the second contour section, with the first contour section having at least one essentially dome-shaped support section.

Abstract: A wind power generator has a nacelle; a hub rotatable about an axis of rotation with respect to the nacelle; at least two blades fitted to the hub; an electric machine which is fitted to the nacelle, is bounded by an inner surface extending about the axis of rotation, and has a rotor and a stator; and a cooling system for airflow cooling the electric machine, and which has a deflector body for defining a gap between the deflector body and the electric machine and guiding the airflow into the gap.

Abstract: The present invention discloses a motor, including an enclosure, a rotor part and a stator part, wherein the stator part includes an upper coil assembly and a lower coil assembly, the rotor part includes an elastic element, the enclosure includes an upper shell and a lower shell, the upper shell is provided with an upper installation groove, the lower shell is provided with a lower installation groove, one end of the elastic element is fixed by the enclosure, and the other end thereof is connected with the rotor part. The stator and the rotor adopt upper and lower structures, thus being simple in structure and convenient to detach and install, the coils are arranged on the stator, the rotor is of a permanent magnet structure capable of providing a larger air-gap magnetic flux density, and the elastic element ensures very smooth reciprocating swing of the rotor part.

Abstract: A motor winding structure includes a base plate is disclosed. The base plate includes a board having a winding unit. The winding unit includes a plurality of coils formed on the surface of the board by electroforming or layout. Each coil has a center, and includes an inner end adjacent to the center and an outer end distant to the center. Two adjacent coils are connected to each other via the inner ends. The winding unit further includes an insulating layer and a conducting layer. The inner ends of the two coils are connected to an electrical connection pad. The insulating layer is arranged on the board. The two adjacent coils are covered by the insulating layer. The conducting layer extends through the insulating layer and is connected to the electrical connection pads of the two coils. The two coils are connected to each other via the inner ends.