547results about "Battery load switching" patented technology

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.

The present invention is directed to electronic devices, systems, and methods for optimizing dispatch schedules for an electric vehicle battery in communication with the electronic device to maximize the revenue generation from vehicle-to-grid activities at a site while also preserving battery health. The devices, systems, and methods may determine, using an optimization algorithm, the dispatch schedule for the electric vehicle battery and control a charge or discharge of the electric vehicle battery based on the dispatch schedule. The optimization algorithm may determine the dispatch schedule based on forecasts for future anticipated energy needs of the site and forecasts for future anticipated energy production of the site. The optimization algorithm may include an objective function including one or more variables. The devices, systems, and methods may introduce a heuristic term to the objective function or penalize the first derivative of a variable of the objective function to optimize the dispatch schedule.

A multi-functional module system for a mobile device includes a docketing station and housing attachable to the mobile device. The housing includes an integrated wireless charging coil, and a plug head integrally formed with or attached to the housing. The plug head establishes a direct electrical / data connection between the housing and a port of the mobile device. The charging coil aligns with and charges a wireless-enabled accessory placed adjacent to the housing. The docking station includes an electrical connection interface to transmit power and / or data between the housing, the mobile device and a removable electronic module (REM) connected to the docking station. At least one port of the housing transfers power / data between an external device plugged into the port and the housing and / or the mobile device and / or the connected REM. The docking station provides a docking interface between the REM and housing via a magnetic coupling.

The present teaching relates to method and system for charging a rechargeable battery deployed in an electric apparatus. The system resides in the electric apparatus. The system comprises a motor, an inverter, an output rectifier, a configurator, and a controller. The motor comprises a stator having a plurality of stator teeth and a plurality of stator windings wounded on the plurality of stator teeth. The inverter comprises a plurality of power switch devices. The configurator comprises a plurality of contactors coupled with the plurality of stator windings and the plurality of power switch devices. The controller controls the plurality of power switch devices and the plurality of contactors, so as to configure the system to operate in one of a traction mode and a charging mode.

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.

A combination includes a battery pack and an adapter. The battery pack includes a battery pack interface at least capable of being detachably connected to a power tool. A first adapter includes a plug, an alternating current input interface, an alternating current-direct current conversion circuit, and a direct current output interface. A second adapter is capable of being electrically connected to the first adapter and the battery pack. The second adapter includes an adapter interface, a direct current interface, a voltage conversion circuit, and a two-way control module. The direct current interface is configured to be detachably electrically connected to the direct current output interface. The voltage conversion circuit is connected in series between the direct current interface and the adapter interface. The two-way control module is connected between the direct current interface and the adapter interface and connected to the voltage conversion circuit.

A device including a visual or audible signaling means and a motion sensor, and logic for activating or controlling the signaling means in response to a sensed motion according to an embedded logic is disclosed. The device may be used as a toy for amusement, and may be shaped like a play ball or as a handheld unit. The device may be powered from a battery, which may be charged from an AC power directly or contactless by using induction or by converting electrical energy from harvested kinetic energy. The embedded logic may activate or control the signaling means, predictably or randomly, in response to the sensed acceleration magnitude or direction, such as sensing the crossing a preset threshold or sensing the peak value. The visual means may be a numeric display for displaying a value associated with the count of the number of times the threshold has been exceeded or the peak magnitude of the acceleration sensed.

There is provided a system including a plurality of switching units connected in parallel to a bus to which a power generation unit and a load are connected, each of the plurality of switching units switching ON / OFF of a connection of a battery pack to the bus; a plurality of battery packs individually connected to each of the plurality of switching units, each of the plurality of battery packs being identical to the battery pack; and a management unit which manages the plurality of switching units such that the plurality of battery packs are alternately discharged so that a discharging rate of each of the plurality of battery packs is increased compared to when all of the plurality of battery packs are discharged.

A cordless vacuum cleaner is provided. The cordless vacuum cleaner includes a plurality of batteries and a method of controlling the same are provided. The cordless vacuum cleaner includes a main body, a suction fan, a suction motor arranged inside the main body and configured to rotate the suction fan, a charging circuit configured to charge the main body, a plurality of batteries charged and discharged through the charging circuit, memory storing one or more computer programs, and one or more processors communicatively coupled to the suction motor, the charging circuit, the plurality of batteries, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the cordless vacuum cleaner to, based on state information about each of the plurality of batteries, control discharge of each of the plurality of batteries, and the state information includes a battery discharge amount of each of the plurality of batteries.

Systems, methods, and articles for a portable power case are disclosed. The portable power case is comprised of at least one battery and at least one PCB. The portable power case has at least two access ports, at least two leads, or at least one access port and at least one lead and at least one USB port. The portable power case is operable to supply power to an amplifier, a radio, a wearable battery, a mobile phone, and a tablet. The portable power case is operable to be charged using solar panels, vehicle batteries, AC adapters, non-rechargeable batteries, and generators. The portable power case provides for modularity that allows the user to disassemble and selectively remove the batteries installed within the portable power case housing.

Electrochemical cell and battery management systems are generally provided. The systems can comprise an electrochemical cell and a controller. In some cases, the controller can be used to control various aspects of the charge and / or discharge of the electrochemical cell. In some cases, the system can comprise one or more strings of cells.

Systems and apparatus for implementing a mobile energy system. In one aspect, a mobile energy system includes a cabinet having an interior space defined by an outer surface of the cabinet, where the interior space can include a battery storage area configured to receive a battery energy storage system having at least 2 kWh of storage capacity. The mobile energy system can also include an item storage area configured to receive and store one or more other items, a connector configured to connect a battery energy storage system located in the battery storage area to an external power source, and a charging cable configured to connect the battery energy storage system to a charging port of an electric vehicle.

Disclosed is an electronic device. The electronic device may include a housing forming a first space configured to seat an external electronic device and a second space, a battery storing power, a support part disposed within the first space and configured to support the external electronic device when the external electronic device is seated in the electronic device, a first antenna and a second antenna disposed in the support part, a third antenna disposed in the second space and configured to receive a first magnetic field from the outside of the housing and to supply power to the battery. The battery may be disposed in the second space. The battery may radiate a second magnetic field to at least some area of the first space by supplying power to at least one of the first antenna and the second antenna.

A haul vehicle includes a dump body, a vehicle body supporting the dump body, a traveling apparatus including driving wheels and supporting the vehicle body, a trolley power receiving apparatus to which power is supplied from a trolley wire, a bidirectional DC / DC converter, a storage battery charged with power supplied from the trolley wire via the bidirectional DC / DC converter, an electric motor that generates driving force for rotating the driving wheels, and a switch mechanism that switches between a first state, in which power is supplied from the trolley wire to the electric motor via the bidirectional DC / DC converter, and a second state, in which power is supplied from the storage battery to the electric motor via the bidirectional DC / DC converter.

An uninterruptible power supply includes an input configured to be coupled to a renewable power source and an energy storage component configured to receive and store energy and to provide stored power. Power circuitry is configured to receive the renewable power and the stored power and provide output power to a load. A controller coupled to the power circuitry determines whether an amount of available renewable power exceeds the output power level provided to the load and, if so, provides excess power from the renewable power to the stored energy component.

The present teaching relates to method and system for charging a rechargeable battery deployed in an electric apparatus. The system resides in the electric apparatus. The system comprises a motor, an inverter, an output rectifier, a configurator, and a controller. The motor comprises a stator having a plurality of stator teeth and a plurality of stator windings wounded on the plurality of stator teeth. The inverter comprises a plurality of power switch devices. The configurator comprises a plurality of contactors coupled with the plurality of stator windings and the plurality of power switch devices. The controller controls the plurality of power switch devices and the plurality of contactors, so as to configure the system to operate in one of a traction mode and a charging mode.

A backup power supply control system includes: a first semiconductor switch that switches a main power supply line to an electrically conductive state or an electrically non-conductive state; and an auxiliary power supply switch that switches an auxiliary power supply line to the electrically conductive state or the electrically non-conductive state. A first driving unit controls, in a non-failure state, a second semiconductor switch, connected between a gate and source of a first semiconductor switch, OFF and thereby controls the first semiconductor switch ON. The first driving unit ensures, in the failure state, at least a gate-plateau voltage of the first semiconductor switch as a drive voltage for the second semiconductor switch. When a failure detection unit detects the failure state, the first driving unit controls the first semiconductor switch OFF by controlling the second semiconductor switch ON and a second driving unit controls the auxiliary power supply switch ON.

An emergency LED lighting system maintains power to an LED lighting source based on measured voltages and currents provided to the LED lighting source; rolls back or decreases power provided to an LED lighting source over time in order to increase the amount of time the battery can power the LED lighting source; executes a soft start procedure, such that the power provided to the LED lighting source is gradually ramped up during activation of the LED lighting sources; identifies a type of battery coupled to the emergency LED lighting system; cycles the emergency LED lighting system between charging mode and standby mode to reduce power consumption over a window of time; detects AC power or an absence of AC power; and / or uses a status LED to communicate information about the emergency LED lighting system with a remote device.

The present disclosure relates to a light source system suitable for use in a time of flight camera. The light source system includes a light source, such as a laser, and a driver arranged to supply a drive current to the light source to turn the light source on to emit light. The driver includes or is coupled to a capacitor to store energy and then discharge to generate the drive current. The driver can be integrated into a semiconductor die on which the light source is mounted. Thus, the driver can include within it the source of energy for the drive current and the light source and driver can be very close together. Therefore, the light source may be turned on and off very quickly, such as with a relatively large drive current, such as to output a high optical power, short duration light pulse.

A method for controlling a system including a heat pump, a space heater, a space cooler, a thermal battery, an electrical battery and a grid access system, the method including turning on at least one of discharging of the thermal battery and discharging of the electric battery, if a hot water demand exists; turning on at least one of the heat pump, charging of the thermal battery, charging of the electric battery and discharging of the electric battery, if a space heating demand exists; turning on charging of the thermal battery, if a space cooling demand exists; and backfeeding electricity from the electric battery to a grid through the grid access system, if electricity sale is desired.

A power supply device includes a first battery and a second battery, and a first switching unit, configured to select the first battery to supply power to a load; a second switching unit, configured to select the second battery to supply power to the load; a processing unit, configured to detect power of the first battery and the second battery; when the power of the second battery is greater than a first preset value, the processing unit disconnects the first switching unit and turns on the second switching unit to enable the second battery to supply power to the load; the processing unit controls the second battery to charge the first battery when the power of the first battery is less than a second preset value; and when the power of the first battery is greater than a third preset value, the second battery stops charging the first battery.

A method to control storage into and depletion from multiple energy storage devices. The method enables an operative connection between the energy storage devices and respective power converters. The energy storage devices are connectable across respective first terminals of the power converters. At the second terminals of the power converter, a common reference is set which may be a current reference or a voltage reference. An energy storage fraction is determined respectively for the energy storage devices. A voltage conversion ratio is maintained individually based on the energy storage fraction. The energy storage devices are stored individually with multiple variable rates of energy storage through the first terminals. The energy storage is complete for the energy storage devices substantially at a common end time responsive to the common reference.

Systems, methods, and other embodiments described herein relate to vehicle charging and supplying backup power to a structure while reducing system complexity (e.g., installation). In one embodiment, a system includes a charger including a charging circuit and a discharge circuit coupled to a charging connector for an electric vehicle (EV), and the charging connector is bi-directional. The system also includes that the charging circuit supplies an ingoing power from a main electric panel of a structure to the charging connector. The system also includes that the discharge circuit receives an outgoing power through the charging connector and splits the outgoing power in voltage levels using a transformer. The system also includes a manual transfer switch within the discharge circuit that feeds backup power using the voltage levels to a sub-panel for electrical circuits of the structure during a power interruption and the sub-panel is external from the charger.

An overheating detection method of a cleaning robot includes, when contact between a first charging terminal of the cleaning robot and a second charging terminal of a station is detected through a first voltage detection circuit, transmitting a charge command to the station, obtaining a heating value between the first charging terminal and the second charging terminal when a voltage is supplied from the station to the cleaning robot according to the charge command, and performing a re-docking operation after the cleaning robot moves away from the station by a predetermined distance when the obtained heating value exceeds a threshold heating value that is a criterion for overheating.

A method to control storage into and depletion from multiple energy storage devices. The method enables an operative connection between the energy storage devices and respective power converters. The energy storage devices are connectible across respective first terminals of the power converters. At the second terminals of the power converter, a common reference is set which may be a current reference or a voltage reference. An energy storage fraction is determined respectively for the energy storage devices. A voltage conversion ratio is maintained individually based on the energy storage fraction. The energy storage devices are stored individually with multiple variable rates of energy storage through the first terminals. The energy storage is complete for the energy storage devices substantially at a common end time responsive to the common reference.

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.

A vehicle-mounted control device (1) includes a control unit (21) that switches an interruption unit (14) from an allowable state to an interruption state when an interruption condition is satisfied, and a setting unit (22) that sets the interruption condition. The setting unit (22) sets the interruption condition based on which operation of a first operation and a second operation is in execution. The first operation is an operation of transferring power between a power storage unit (90) and a first transfer unit (connection unit (91)) when a first switch (11) is in an on state, and the second operation is an operation of transferring power between the power storage unit (90) and a second transfer unit (first load (92)) when a second switch (12) is in an on state.

A semiconductor device with reduced power consumption is provided. With three transistors, potentials of two nodes are switched and a voltage is detected. One of a source and a drain of a first transistor is electrically connected to a first terminal. The other of the source and the drain of the first transistor is electrically connected to a non-inverting input of a comparator through a first node. One of a source and a drain of a second transistor is electrically connected to a second terminal. The other of the source and the drain of the second transistor is electrically connected to one of a source and a drain of a third transistor through a second node. The other of the source and the drain of the third transistor is electrically connected to a third terminal. A first capacitor is provided between the first node and the second node. An inverting input of the comparator is electrically connected to a fourth terminal. An output of the comparator is electrically connected to a fifth terminal.

A system to supply emergency power to an elevator includes one or more lithium batteries, an inverter coupled to the lithium batteries, a battery management system (BMS) coupled to the inverter, an Energy Management Software (EMS) coupled to the BMS, and a relay coupled to utility power, wherein the relay operates to provide utility power to the system and notifies the EMS that utility power is on, wherein the EMS initiates charging of the BMS system, wherein the BMS sends charging command to the inverter, which operates until the state of charge is 100%, where the inverter goes into a standby mode.