ЭЛЕМЕНТ АККУМУЛЯТОРНОЙ БАТАРЕИ И УСТРОЙСТВО МОНИТОРИНГА ДЛЯ БАТАРЕИ В СБОРЕ

Элемент аккумуляторной батареи включает в себя элемент, генерирующий энергию, электрод, соединенный с элементом, генерирующим энергию, и сконфигурированный с возможностью электрического соединения элемента, генерирующего энергию, с внешней стороной, и внешний элемент, сконфигурированный с возможностью покрытия элемента, генерирующего энергию, причем электропроводный элемент в предложенном устройстве выполнен в виде тонкой пленки, соединенной с изолирующим слоем. Внешний элемент включает в себя изолирующий слой и электропроводный слой, а электропроводный слой включает в себя участок соединения, электрически соединенный с внешней стороной. Обеспечение надежного мониторинга аккумуляторной батареи при компактности устройства и без увеличения размера батареи с таким устройством является техническим результатом изобретения. 2 н. и 15 з.п. ф-лы, 18 ил.

ЭЛЕКТРОННЫЙ СФИГМОМАНОМЕТР

Группа изобретений относится к медицинской технике. Электронный сфигмоманометр, содержащий манжету, датчик давления для определения давления внутри манжеты; блок управления измерением для управления измерением кровяного давления человека, подлежащего измерению, по сигналу из датчика давления; блок питания, который содержит первичную батарею и вторичную батарею; детекторы характеристического значения для получения характеристического значения каждой из первичной батареи и вторичной батареи; блоки компрессии для нагнетания давления манжеты с использованием питания, подаваемого из блока питания; и блок управления переключением для выбора источника питания для приведения в действие электронного сфигмоманометра, посредством переключения первичной батареи и вторичной батареи. Блок управления переключением выполнен с возможностью сравнивать характеристическое значение, полученное детекторами характеристического значения, и первую пороговую величину после запуска электронного сфигмоманометра, выбирать ...

ENERGIE-UMWANDLUNGSEINRICHTUNG UND ENERGIE-UMWANDLUNGSSYSTEM

Eine Steuerungsschaltung (50) korrigiert eine Referenzverstärkung, indem sie die Referenzverstärkung mit einem Korrekturwert multipliziert, der unter Zuordnung von Ladezustandsinformationen einer Speicherbatterie (1) vorgegeben ist, und die korrigierte Referenzverstärkung als eine erste Verstärkung zum Steuern eines DC/AC-Wechselrichters (20) verwendet, um die Steigung einer Frequenz-Droop-Charakteristik einzustellen. Der Korrekturwert ist ein Wert, der allmählich bei Zunahme der Ladezustandsinformationen der Speicherbatterie (1) abnimmt, der Minimalwert des Korrekturwerts ist N1, der eine reelle Zahl größer als 0 ist und einem ersten Ladezustand zum Stoppen des Ladens der Speicherbatterie (1) entspricht, und der Maximalwert des Korrekturwerts ist N2, der eine reelle Zahl größer als N1 ist und einem zweiten Ladezustand zum Stoppen des Entladens der Speicherbatterie (1) entspricht.

Schaltkreis und Verfahren zur Versorgungsspannungsauswahl sowie integrierter Halbbrückentreiberschaltkreis

Eine Versorgungsspannungsschaltungsschaltung, die dazu konfiguriert ist, dynamisch zwischen einer Batterieversorgungsspannung und einer Boostversorgungsspannung, die aus der Batterieversorgungsspannung erzeugt wird, zu wechseln, um eine Halbbrückentreiberschaltung basierend auf einer andauernden Auswertung eines oder mehrerer Systemparameter mit Leistung zu versorgen.

Verfahren zum Betreiben einer Energiespeicher-Anordnung in einem Fahrzeug und Fahrzeug mit einer Energiespeicher-Anordnung

Die Erfindung betrifft ein Verfahren zum Betreiben einer Energiespeicher-Anordnung in einem Fahrzeug und ein Fahrzeug mit einer Energiespeicher-Anordnung. Die Anordnung enthält eine Energiequelle und mindestens zwei Stapel (5, 6) von Lithium-Ionen-Akkumulatoren. Jeder der Stapel (5, 6) kann einzeln die Energieversorgung für den Betrieb des Fahrzeugs übernehmen. In dem Verfahren werden die folgenden Schritte alternativ durchgeführt. a) Aufladen des ersten Stapels (5) und gleichzeitiges Entnehmen von Energie aus dem zweiten Stapel (6) für den Betrieb des Fahrzeugs, wobei keine Energie für den Betrieb des Fahrzeugs aus dem ersten Stapel (5) entnommen wird. Im Schritt b) wird der zweite Stapel (6) aufgeladen und gleichzeitig wird Energie aus dem ersten Stapel (5) für den Betrieb des Fahrzeugs entnommen, wobei keine Energie für den Betrieb des Fahrzeugs aus dem zweiten Stapel (6) entnommen wird.

An apparatus and method for discharging the hybrid battery modules, and extending the range of the battery pack

A pulse discharge system

Hybrid energy storage system, renewable energy system including the storage system, and method of using same.

Hybrid energy storage system, renewable energy system including the storage system, and method of using same.

Verfahren zur Ansteuerung eines Batteriesystems und Batteriesystem

Die Erfindung betrifft ein Batteriesystem zum Antrieb eines Kraftfahrzeuges und ein Verfahren zur Ansteuerung eines derartigen Batteriesystems.

TWO-BATTERY SYSTEM

Battery operated hair dryer

A battery operated hair dryer includes a rechargeable battery pack electrically connected to a fan and a heating element. The battery operated hair dryer also includes a battery management and control module to control how to efficiently dry a user's hair while, at the same time, managing the state of charge and health of the battery.

MOBILE CART AND POWER SYSTEM THERFOR

A mobile cart has a battery assembly, which includes an on-board charger for selectively recharging one or more batteries to ensure constant operation of the powered equipment provided on the cart. The battery assembly possesses a removable battery configuration and is operated by a Battery Control System (BCS). The BCS is an intelligent control system for removable batteries and battery cell packs to provide an improved system of charging and discharging the individual batteries.

Charging circuit for parallel charging in multiple battery systems

A charging circuit for controlling a system charging parameter provided to a host of rechargeable batteries, wherein the host of batteries includes at least a first battery and second battery that may be coupled in parallel. The charging circuit provides for fast charging of rechargeable batteries in parallel. Independent current and voltage sensing for each battery enables parallel charging of batteries at different charging currents. The charging circuit may be configured to accept either analog or digital signals from an associated power management unit.

BATTERY MANAGEMENT SYSTEM

... a plurality of third and fourth measurement terminals positioned at positions on the first bus bar, which correspond to one of ends of each of the first and second battery cells, respectively; a cell voltage measuring unit configured to measure a cell voltage of the cell group by using the first and second measurement terminals; a voltage drop measuring unit configured to measure an error voltage corresponding to a resistance value of the first bus bar by using the third and fourth measurement terminals; and a battery management unit configured to calculate a corrected cell voltage by using the cell voltage and the error voltage.

AUDIO POWER SOURCE WITH IMPROVED EFFICIENCY

An improved method of providing high burst power to audio amplifiers from limited power sources, using parallel power paths to increase system efficiency without need for a power path controller, thus utilizing a simplified circuit operation and maximizing average power available for both the amplifier and supporting circuitry.

Battery-operated power supply

A power supply and switching technique is provided that utilizes a first battery and a second battery to charge a load. The power supply includes a first controlled power switch coupled to the first battery and the load, a second controlled power switch coupled to the second battery and the load, and a power controller coupled to the first controlled power switch, the second controlled power switch, and the load. The power controller monitors the voltage and the load and causes a charge to be applied to the load when the load voltage is not a predetermined voltage. The power controller causes a charge to be applied to the load by selectively closing the first controlled power switch, thereby providing a charge from the first battery to the load, and/or selectively closing the second controlled power switch, thereby providing a charge from the second battery to the load. A similar switching technique may be used to recharge the first and second battery by alternately coupling them to an ...

Autonomous battery balancing

A device is introduced for cell-balancing a plurality of battery cells connected in series. The device includes a measuring device which is connectable to each of the battery cells and which is configured to generate a current which is proportional to a minimum cell voltage of all the cell voltages of the battery cells and to output the current to resistors which are connected in series. The device also contains a multiplicity of comparators which compare a cell voltage of an assigned battery cell to the minimum cell voltage which is replicated by the current which is proportional to the minimum cell voltage and the resistors. The comparators are configured to output a control signal, which is dependent on a result of the comparison, to an assigned discharging unit which allows a discharge current to flow from the respective battery cell as a function of the control signal.

Battery charging system and mobile and accessory devices

Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.

Equalizing device for vehicle soft-packed battery and equalizing method for soft-packed battery

The invention provides an equalizing device for a vehicle soft-packed battery and an equalizing method for the soft-packed battery. According to the equalizing method for the vehicle soft-packed battery, a battery to be equalized is connected to a parallel equalization circuit by using an equalizing device for a vehicle soft-packed battery, battery cells to be equalized are sequentially equalized by adopting a first-in first-out sequence, and the SOC of each cell equalized is maintained within a preset range; and the number of the cells entering the equalizing device for the vehicle soft-packed battery is N, and the equalizing time of the battery cells is T. The equalizing device for the vehicle soft-packed battery comprises a holder clamping type or a copper sheet compressing type. On the premise of remarkably improving the equalizing efficiency of the battery cell, the invention can reduce the space and cost required by the equalizing operation, and ensure that the SOC difference of the ...

Plug-in energy storage batteries and networked plug-in energy storage batteries

In an example embodiment, a battery unit comprises a battery unit housing; and a battery unit circuit. In this example embodiment, the battery unit housing contains at least a portion of the battery unit circuit, and the battery unit circuit further comprises: a battery cell, an inverter to control the charging and discharging of the battery cell, a processor to provide control signals to the inverter for controlling the charging and discharging of the battery cell, and one of: a power plug for coupling to and uncoupling from a power outlet assembly, and a luminaire base for coupling to and uncoupling from a luminaire socket in a light fixture. In this example embodiment, the battery unit is rated at less than or equal to 2400 Volt-Amperes. The battery unit may further comprise a transceiver.

BATTERY VOLTAGE CONTROL AND REGULATION

This disclosure includes novel ways of implementing a power supply that powers a load. A main battery source produces a main battery voltage; each of multiple auxiliary battery sources in a set produces a respective auxiliary battery voltage. A controller initially sets a battery supply voltage to the main battery voltage, the main battery voltage is supplied to a power converter. The controller then monitors a magnitude of the battery supply voltage and adjusts the battery supply voltage supplied to the power converter based on a comparison of the magnitude of the battery supply voltage with respect to a threshold level. The adjusted battery supply voltage is provided from a serial connection of the main battery source and a first auxiliary battery source in the set.

ИНСТРУМЕНТ С ЭЛЕКТРИЧЕСКИМ ПРИВОДОМ, ПИТАЕМЫЙ ПОСРЕДСТВОМ БАТАРЕЙНОГО ИСТОЧНИКА ПИТАНИЯ, И АДАПТЕР ДЛЯ НИХ

... 1. Адаптер для соединения основного корпуса инструмента с электрическим приводом и по меньшей мере одного батарейного источника питания друг с другом, содержащий:соединительный участок, выполненный с возможностью разъемного прикрепления к основному корпусу инструмента с электрическим приводом;по меньшей мере один приемный участок для батареи, выполненный с возможностью разъемного прикрепления к батарейному источнику питания;схему подачи питания, выполненную с возможностью электрического подключения батарейного источника питания, прикрепленного к приемному участку для батареи, к основному корпусу инструмента с электрическим приводом, прикрепленному к соединительному участку;измерительный участок, выполненный с возможностью измерения показателя, соответствующего уровню заряда батарейного источника питания, прикрепленного к приемному участку для батареи;принимающий сигнал участок, выполненный с возможностью приема аварийного сигнала, выдаваемого из батарейного источника питания, прикрепленного ...

Vorrichtung und Verfahren zum Auf- und Entladen eines Energiespeichers

Die Erfindung betrifft eine Vorrichtung und Verfahren zum Auf- und Entladen eines Energiespeichers (1), der mehrere, seriell miteinander verbundene Batteriezellen (25) umfasst. Um ein zuverlässiges und schnelles Aufladen des Energiespeichers (1) ohne einen Zellspannungsausgleich zu ermöglichen, schlägt die Erfindung vor, dass jede Batteriezelle (25) des Energiespeichers (1) abschaltbar und, zur Erhaltung der Serienschaltung der Batteriezellen (25), mittels einer elektrisch leitenden Verbindung (14) überbrückbar ist. Dadurch kann nach dem vollständigen Aufladen einer ersten Batteriezelle (25) des Energiespeichers, diese Batteriezelle (25) abgeschaltet und die restlichen Batteriezellen (25) weiter aufgeladen werden. Erreicht auch eine zweite Batteriezelle (25) ihren vorgegebenen Ladungszustand, wird auch diese Batteriezelle (25) abgeschaltet und elektrisch überbrückt. Dieser Vorgang wird so lange fortgesetzt, bis alle Batteriezellen (25) des Energiespeichers (1) ihren vorgegebenen Ladungszustand ...

Verfahren zum Ladezustandsausgleich einer Batterie und Verfahren zum Aufladen einer Batterie

Die Erfindung betrifft ein Verfahren zum Ladezustandsausgleich einer Batterie, die mehrere Batterieeinheiten (1-1, 1-2, 1-3) aufweist. Das Verfahren umfasst die Schritte Ermitteln einer Entladetiefe jeder Batterieeinheit (1-1, 1-2, 1-3) nach einer erfolgten Aufladung der Batterieeinheiten (1-1, 1-2, 1-3), Ermitteln einer verfügbaren Ladung jeder Batterieeinheit (1-1, 1-2, 1-3) vor einer zu erfolgenden Aufladung der Batterieeinheiten (1-1, 1-2, 1-3), Ermitteln eines Ladzustandsausgleichsbedarfswertes anhand der ermittelten Entladetiefe und der ermittelten verfügbaren Ladung für jede Batterieeinheit (1-1, 1-2, 1-3) und Entladen jeder Batterieeinheit (1-1, 1-2, 1-3) auf Basis des ermittelten Ladezustandsausgleichsbedarfswertes. Die Erfindung betrifft auch ein Verfahren zum Aufladen einer Batterie, die mehrere Batterieeinheiten (1-1, 1-2, 1-3) aufweist. Es werden außerdem ein Computerprogramm und ein Batteriemanagementsystem angegeben, welche zur Durchführung des Verfahrens eingerichtet sind ...

Reconfigurable electric batteries

Vorrichtung zur Ansteuerung elektrischer Energiespeicher

Die Erfindung betrifft eine Vorrichtung zur Ansteuerung elektrochemischer Energiespeicher, umfassend Anschlüsse für zumindest einen ersten elektrochemischen Energiespeicher (1 ), Anschlüsse für zumindest einen zweiten elektrochemischen Energiespeicher (2), sowie zumindest einen Lastanschluss (3), wobei eine Kopplungseinheit (4) zur alternativen Verbindung des ersten Energiespeichers (1) oder des zweiten Energiespeichers (2) mit dem Lastanschluss (3) vorgesehen ist, sowie eine die Kopplungseinheit (4) ansteuernde Steuereinheit (5) vorgesehen ist, die zur Abfrage insbesondere elektrischer Parameter des ersten Energiespeichers (1) und des zweiten Energiespeichers (2) eingerichtet ist. Die Erfindung betrifft weiters ein System mit einer derartigen Vorrichtung und Verfahren zur Ansteuerung eines derartigen Systems.

BATTERY CHARGER WITH SEQUENTIAL LOADING

HERBICIDES

HYBRID BATTERY CONFIGURATION

Terminal charging system, charging method, and terminal

Provided are a terminal charging system, charging method, and terminal (2), said charging system comprising a power adapter (1) and a terminal (2); the power adapter (1) is used for converting an inputted alternating current so as to output a pulsating waveform voltage, and outputting a peak-value synchronization signal according to the peak value voltage of the pulsating waveform; the terminal (2) comprises: a battery (202); a charge indicator (207); the charge indicator (207), upon receiving the peak-value synchronization signal, samples the voltage of the battery (202) to obtain the voltage wave peak value of the battery (202); a quick-charge module (206), said quick-charge module (206) being used for loading the pulsating waveform voltage onto the battery (202) and obtaining a voltage peak value, and sending the voltage peak value to the power adapter (1) so that the power adapter (1) determines whether to adjust the charging state. The pulsating waveform voltage outputted by the power ...

Automatic battery charging system (abc)

Charging circuit for parallel charging in multiple battery systems

METHOD AND SYSTEM FOR MANAGING THE ELECTROCHEMICAL BATTERIES OF AN ELECTRIC VEHICLE IN THE EVENT OF BATTERY FAILURE

L'invention concerne un procédé (300) de gestion d'une pluralité de modules de stockage d'énergie électrique rechargeables dans un véhicule électrique,agencés en parallèle, ledit procédé (300) comprenant: -une séparation (302) desdits modules en au moins deux groupes, et -une alimentation(304) à partir d'un desdits groupes à la fois; ledit procédé (300) comprenant en outre une étape (314) de remplacement d'un module défaillant d'un groupe, dit groupe actif, en cours d'alimentation, par un module disponible d'un autre groupe, dit groupe disponible. Elle concerne également un système mettant en uvre un tel procédé et un véhicule électrique mettant en uvre un tel procédé ou système.

METHOD AND SYSTEM FOR INTELLIGENTLY MANAGING ELECTROCHEMICAL BATTERIES OF AN ELECTRICAL POWER SUPPLY INSTALLATION

L'invention concerne un procédé (300) de gestion d'une pluralité de modules de stockages d'énergie électrique rechargeables d'une installation d'alimentation électrique,agencés en parallèle les uns avec les autres, ledit procédé (300) comprenant: - une séparation (302) desdits modules en au moins deux groupes, et - une alimentation (304) à partir d'un desdits groupes à la fois; ledit procédé (300) comprenant une phase (306) de régulation au sein d'au moins un groupe, dit groupe passif, comprenant une alimentation (306 ) d'au moins un module, dit passif, dudit groupe passif par au moins un autre module, dit fonctionnel, dudit groupe passif. Elle concerne également un système mettant en uvre un tel procédé et une installation d'alimentation électrique mettant en uvre un tel procédé ou système.

System and method for utilizing battery operation data

Power management topologies

A wake up circuit according to one embodiment includes a comparison circuit and an output decision circuit. The comparison circuit may be adapted to receive a first signal representative of a charging current level provided to a battery via a path and a second signal representative of a predetermined wake up current level and to provide a comparison output signal in response to the first and second signal. The output decision circuit may be adapted to receive at least the comparison output signal and a selector signal from a selector circuit, the output decision circuit providing one of the comparison output signal and the selector signal to a switch to control a state of the switch, the switch coupled to the path.

Energy delivery system

An energy delivery system that combines multiple energy storage sources/systems of different chemical compositions or physical construction with a common control system that is configured to output energy from the system as a function of the different performance characteristics of each system, and is therefore capable of optimizing various operational characteristics of the combined system. The control system is configured to utilize a separate variable impedance network for each energy storage system to adjust the relative output current or discharge rate of each energy storage system, such as to optimize cycle life, depth of discharge, temperature, delivered power, and/or perceived safety of each energy storage system.

System and method for charging terminal and terminal

BATTERY CHARGING AND DISCHARGING APPARATUS AND METHOD

The invention provides a battery charging and discharging apparatus and method. The battery charging and discharging apparatus comprises a power source and a plurality of charging and discharging module. The charging and discharging module comprises a current-limiting transistor, a current-limiting resistor, a charging controlling unit, and a discharging controlling unit, wherein both the charging controlling unit and the discharging controlling unit are of battery voltage tracking types. When the charging and discharging module charges a battery, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the charging controlling unit. When the battery discharges, the voltage across two ends of the current-limiting transistor and the current-limiting resistor connected in series is limited to a fixed value by the discharging controlling unit. Besides, the discharging controlling unit feedbacks the discharging ...

Method for setting a desired output voltage of a power supply branch of a controllable energy store

A method for setting a desired output voltage of a power supply branch of a controllable energy store, for controlling and supplying electrical energy to an n-phase electric motor, where n1. The controllable energy store has n parallel power supply branches, which each have at least two serially connected energy storage modules including at least one electrical energy storage cell having an assigned, controllable coupling unit; are connected to a reference bus on one side; and are connected to phases, respectively, of the electric motor on the other side. At least one coupling unit is controlled by pulses so that the arithmetic mean of the output voltage of a power supply branch corresponds to the desired output voltage. The energy storage cells respectively assigned to the coupling unit are switched into the respective power supply branch for a pulse duration, and are bypassed during a pause time.

POWER TOOL ACTIVATION CONTROL SYSTEMS AND METHODS

Embodiments herein describe methods and systems for controlling the power state of a tool. A tool is placed into an active mode upon initial power up, as typically indicated by one or more indicators. The tool is automatically placed into an inactive mode upon the expiration of a timer, if the tool motor was not activated. If the tool is activated, such as by pressing the tool switch, prior to expiration of the timer, the timer resets. A display is provided to signal the user as to the current active status and/or current mode of the tool.

System and method of balancing output currents of a plurality of power supply units for supplying power to a system load

Embodiments of the present disclosure relates to a method and device for balancing a supply current. In one embodiment, a current supply current for a load is detected. A first signal representing the current supply current is transmitted to a digital logic module. A second signal representing a maximum supply current and a third signal representing a minimum supply current are received from the digital logic module. A subsequent supply current for the load is determined based on the current supply current, the maximum supply current and the minimum supply current. By using the method and device according to the embodiments of the present disclosure, the supply currents of a plurality of power supply units for the load can be balanced a simple way with a low hardware cost.

Method of charging and discharging a plurality of batteries

The method of charging a plurality of batteries successively switches to, and charges a plurality of batteries one at a time. Batteries are charged by constant current until battery voltage reaches a prescribed voltage, or battery capacity reaches a prescribed capacity. After that, voltage limited charging is performed while regulating battery voltage. In the method of discharging a plurality of batteries, the discharging battery is discharged until remaining capacity drops below a minimum capacity, or battery voltage drops below a minimum voltage. The battery being discharged is then switched to supply power to battery powered electrical equipment from another battery with remaining capacity greater than the minimum capacity, or battery voltage greater than the minimum voltage.

Excess/deficiency determination device, method for controlling same, control program, and recording medium

A supply amount change prediction component takes into account a decrease in full-charge capacity due to battery deterioration to predict a future amount of power supplied by a plurality of batteries, and a surplus calculator calculates the surplus of the power supply amount with respect to the power demand.

Power tool

A power tool includes: a battery connecting part to which one of a first battery pack and a second battery pack having capacity smaller than that of the first battery pack is detachably attachable; a motor driven by electric power supplied from the battery pack; current detection means configured to detect a discharge current flowing from the battery pack to the motor; cut-off controlling means configured to cut off the discharge current when the discharge current becomes equal to or larger than a current threshold; and battery type discrimination means configured to discriminate the battery pack connected to the battery connecting part. The current threshold when the second battery pack is connected to the battery connecting part is lower than that when the first battery pack is connected to the battery connecting part.

Dynamic rigidity mechanism

Embodiments are directed to a support apparatus. The support apparatus might comprise a body configured to support an entity. The body might comprise a material that has a physical property. The support apparatus might further comprise a coupler system configured to couple electric current from a power source to the material. The material is arranged such that coupling an electric current to the material changes the physical property of the material. Embodiments are further directed to a method. The method might comprise forming one or more cavities in a support apparatus. The method might further comprise providing one or more couplers in electrical contact with each of the one or more channels. The method further comprises filling each of the one or more cavities with a fluid that has electrically changeable rigidity. Finally, the method might comprise connecting a power source to each of the one or more couplers.

Power tool having a non-linear trigger-speed profile

A power tool including a motor, an input unit such as a variable-speed trigger switch, and a controller is provided. The controller controls the speed of the motor as a function of the input level indicated by the electrical signal from the input unit. The function is a first expression within a first predetermined range of the input level and a second expression within a second predetermined range of the input level, where the second expression corresponds to a polynomial of a second degree or higher and is different from the first expression.

Discharge controller

Remaining capacity calculation section (110) calculates remaining capacities for each of cells (300-1) and (300-2) connected in parallel with each other, and control section (130) discharges one of cells (300-1) and (300-2) having priority until the remaining capacity of that cell becomes equal to a second threshold value stored in storage section (120), if the remaining capacity of the one of the cells calculated by remaining capacity calculation section (110) is equal to a first threshold value stored in storage section (120).

CONTROLLER, SYSTEM, AND METHOD FOR MANAGING DISCHARGE OR CHARGE OF HETEROGENEOUS BATTERY PACKS

A controller, a system including such a controller, and a method for controlling or managing discharge or charge of a plurality of battery packs are provided. The controller includes one or more processor and at least one tangible, non-transitory machine readable medium encoded with one or more programs configured to perform steps to determining a voltage distribution parameter of each battery pack based on its maximum voltage, its minimum voltage for discharge, and a present voltage, assign ranks to the plurality of battery packs based on the voltage distribution parameters, and determine a respective power discharge or charge based on the rank of each battery pack and a total power demand. The controller provides signals with instructions to the plurality of battery packs and/or the one or more power converters for discharging power from or charging power to the plurality of battery packs.

Battery pack detection and battery discharge mode selection

A power tool including a battery pack interface configured to receive a battery pack. The battery pack interface includes one or more power terminals and one or more communication terminals. The power tool further includes a controller having an electronic processor. The controller is configured to receive, via the one or more communication terminals, a plurality of signals indicating a plurality of temperatures of the battery pack. The controller is further configured to determine, based on the signals, a battery pack type. The controller is further configured to control discharge of the battery pack based on the battery pack type.

USER-SCALABLE POWER UNIT INCLUDING REMOVABLE BATTERY PACKS

A riding lawn mower comprising, a pair of rear drive wheels, a pair of front wheels, a deck positioned between the pair of front wheels and the pair of rear drive wheels, a rotatable cutting blade, and multiple battery packs removably coupled to the riding lawn mower and structured to provide power to the riding lawn mower, each battery pack graspable and removable by a user, wherein the multiple battery packs sequentially provide power to the riding lawn mower.

BATTERY PACK DETECTION AND BATTERY DISCHARGE MODE SELECTION

A power tool including a battery pack interface configured to receive a battery pack. The battery pack interface includes one or more power terminals and one or more communication terminals. The power tool further includes a controller having an electronic processor. The controller is configured to receive, via the one or more communication terminals, a plurality of signals indicating a plurality of temperatures of the battery pack. The controller is further configured to determine, based on the signals, a battery pack type. The controller is further configured to control discharge of the battery pack based on the battery pack type.

ENERGY STORAGE SYSTEM WITH A PLURALITY OF PARALLEL CONNECTED ENERGY STORAGE DEVICES AND METHOD FOR OPERATING AN ENERGY STORAGE SYSTEM

ЭЛЕКТРОННЫЙ СФИГМОМАНОМЕТР

... 1. Электронный сфигмоманометр (1) для измерения кровяного давления человека, подлежащего измерению, содержащий:манжету (20), подлежащую наложению оборачиванием вокруг предварительно заданного места на теле человека, подлежащего измерению;датчик (32) давления для определения давления внутри манжеты;блок (104) управления измерением для управления измерением кровяного давления человека, подлежащего измерению, по сигналу из датчика давления;блок (60) питания, который содержит первичную батарею (52) и вторичную батарею (61);детекторы (56, 57) характеристического значения для получения характеристического значения каждой из первичной батареи и вторичной батареи;блоки (33, 36) компрессии для нагнетания давления манжеты с использованием питания, подаваемого из блока питания; иблок (102) управления переключением для выбора источника питания для приведения в действие электронного сфигмоманометра, посредством переключения первичной батареи и вторичной батареи, при этомхарактеристическое значение является ...

ПРИГОДНЫЕ ДЛЯ НОШЕНИЯ УСТРОЙСТВА С ПИТАНИЕМ ОТ БАТАРЕЙ

ТРАНСПОРТНОЕ СРЕДСТВО

Изобретение относится к транспортному средству содержащему: мотор, устройство аккумулирования электричества и электронный блок управления. Мотор предоставляет движущую силу для транспортного средства. Устройство аккумулирования электричества выполнено с возможностью подачи электричества к мотору или зарядки посредством мотора. Электронный блок управления управляет мотором. Транспортное средство выполнено с возможностью осуществления внешней зарядки для зарядки устройства аккумулирования электричества с помощью электричества от внешнего источника мощности и внешнего энергоснабжения для подачи электричества от устройства аккумулирования электричества за пределы транспортного средства. Электричество для энергоснабжения используется для того, чтобы транспортное средство осуществляло внешнее энергоснабжение. Электронный блок управления также выполнен с возможностью сообщения, по меньшей мере, информации, относящейся к величине аккумулированного электричества для энергоснабжения. Достигается ...

СПОСОБ И СИСТЕМА УПРАВЛЕНИЯ ЭЛЕКТРИЧЕСКИМ ЗАРЯДОМ ЭЛЕМЕНТОВ БАТАРЕИ

... 1. Способ управления электрическим зарядом последовательно и/или параллельно электрически соединенных элементов батареи накопления электроэнергии, содержащий этапы, на которых:уравновешивают состояния заряда (SoC) элементов только в фазе заряда батареи,уравновешивают количество заряда (Q), содержащееся в элементах, только в фазе разряда или в состоянии покоя батареи.2. Способ управления по п. 1, в котором на этапе уравновешивания количества заряда (Q), содержащегося в элементах, используют состояния заряда (SoC).3. Способ управления по п. 1, в котором осуществляемое уравновешивание является недиссипативным уравновешиванием с переходом энергии между элементами.4. Способ управления по п. 1, дополнительно содержащий этапы, на которых:вырабатывают критерии (ε) уравновешивания, избирательно основанные на состоянии заряда (SoC) элементов или на количестве заряда (Q), содержащемся в элементах,формируют запросы на активацию (T) электронной схемы уравновешивания элементов батареи в зависимости от ...

Zwei-Batteriesystem

Die Erfindung betrifft ein Zwei-Batteriesystem (1) und ein Verfahren zu dessen Ansteuerung, umfassend eine Starterbatterie (2), einen Generator (3), Primärverbraucher (4), eine Bordnetzbatterie (6), einen Starter (8) und einen zwischen Starterbatterie (2) und Bordnetzbatterie (6) angeordneten Leistungsschalter (10), über den beim Startvorgang die Starterbatterie (2) und die Bordnetzbatterie (6) parallel zusammenschaltbar sind, wobei parallel zum Leistungsschalter (10) ein Power-MOSFET (13) angeordnet ist.

System mit einer elektrisch erregten Maschine

Die Erfindung betrifft ein System mit einer n-phasigen fremderregten elektrischen Maschine (1), mit n 1, einem steuerbaren ersten Energiespeicher (2), welcher n parallele Energieversorgungszweige (2a, 2b, 2c) aufweist, wobei jeder der Energieversorgungszweige (2a, 2b, 2c) einen ersten Anschluss (3a, 3b, 3c), welcher mit jeweils einem Phasenanschluss (1a, 1b, 1c) der elektrischen Maschine (1) verbunden ist, und einen zweiten Anschluss (4a, 4b, 4c), welcher jeweils mit einer gemeinsamen Bezugsschiene (9) verbunden ist, aufweist, wobei die Bezugsschiene (9) über eine Erregerwicklung (11) der elektrischen Maschine (1) mit dem Sternpunkt (10) der elektrischen Maschine (1) verbunden ist.

Detection of false reporting in a smart battery system

Power supply and method for supplying power by managing peak current usage

Battery power source

A method and apparatus for a power distribution system, includes providing, from a power source 60 a set of dischargeable power storage devices 62 connected by way of selectable connections (figure 2, 54), each storage unit having a direct current (DC) dischargeable power storage device 70, a first selectable connection 71 to enable a voltage output of the storage device and a second selectable connection 72 to enable bypass or shunt of the power storage device. The power source may be connected to an electrical bus forming part of an aircraft power distribution system. The voltage output may enable no break power transfer between power buses. A power sensor may sense dischargeable power output of the power storage device.

TOPOLOGY OF AN ACHIEVEMENT MANAGEMENT

PROCEDURE FOR THE EVALUATION OF THE CONDITION OF BATTERIES

Vorrichtung zur Ansteuerung elektrischer Energiespeicher

Die Erfindung betrifft eine Vorrichtung zur Ansteuerung elektrochemischer Energiespeicher, umfassend Anschlüsse für zumindest einen ersten elektrochemischen Energiespeicher (1), Anschlüsse für zumindest einen zweiten elektrochemischen Energiespeicher (2), sowie zumindest einen Lastanschluss (3), wobei eine Kopplungseinheit (4) zur alternativen Verbindung des ersten Energiespeichers (1) oder des zweiten Energiespeichers (2) mit dem Lastanschluss (3) vorgesehen ist, sowie eine die Kopplungseinheit (4) ansteuernde Steuereinheit (5) vorgesehen ist, die zur Abfrage insbesondere elektrischer Parameter des ersten Energiespeichers (1) und des zweiten Energiespeichers (2) eingerichtet ist. Die Erfindung betrifft weiters ein System mit einer derartigen Vorrichtung und Verfahren zur Ansteuerung eines derartigen Systems.

Device for electric supply to a battery-powered electric vehicle drive motor

Method and system for managing electrochemical batteries of a power supply facility in case of battery failure.

The invention relates to a method (300) for managing multiple rechargeable electrical energy storage modules of a power supply facility, arranged in parallel, said method (300) comprising: - separating (302) the modules into at least two groups, and - supplying power (304) using said groups one at a time; the method (300) also comprising a step (314) of replacing a faulty module of a group, referred to as the active group, while being supplied by an available module of another group, referred to as the available group. The invention also relates to a system implementing such a method and a power supply facility implementing such a method or system.

Solar cell or solar panel energy extraction system

A photovoltaic system having at least one solar cell and a secondary direct current power supply connected to the at least one solar cell. The secondary power supply is configured for constant voltage operation to input power to the photovoltaic cell to maintain operation of the solar cell at or near an optimum voltage working level for the solar cell.

Programmable battery pack

PROGRAMMABLE BATTERY PACK The present disclosure relates to a reconfigurable battery system and method of operating the same. The reconfigurable battery system comprising a plurality of switchable battery modules (770), a battery supervisory circuit (732), and a battery pack controller (730), where the plurality of switchable battery modules electrically arranged in series to define a battery string defining an output voltage. The battery pack controller (730) operably coupled to the battery supervisory circuit (732) to selectively switch, for each of the plurality of switchable battery modules (772), the battery switch between the first position and the second position such that the output voltage is substantially equal to a predetermined target output voltage. >0 N-- - -j N *1.0 + rI co LM N+ - N --- w bb * NIJ +i N --- 4- 4 ...

Battery operated hair dryer

A battery operated hair dryer includes a rechargeable battery pack electrically connected to a fan and a heating element. The battery operated hair dryer also includes a battery management and control module to control how to efficiently dry a user's hair while, at the same time, managing the state of charge and health of the battery.

SYSTEMS AND METHODS FOR DETECTING BATTERY THEFT

Described herein are method and systems for detecting an unauthorized removal of a battery. The system comprising: a battery monitor circuit attached to or embedded in the battery; a remote device, wherein the remote device stores instructions that when executed on the remote device cause the remote device to perform operations comprising: receiving, at the remote device, a wireless signal from the battery monitor circuit comprising voltage and temperature data; evaluating, by the remote device, whether the battery is in its expected location by confirming for each battery, which is expected to be present, whether there has been an unexpected interruption in the wireless signal from the battery; providing an alert notification when there has been an unexpected interruption in the wireless signal.

SYSTEMS AND METHODS FOR DETERMINING AN OPERATING MODE OF A BATTERY

A system for determining an operating mode of a battery includes a voltage sensor configured to detect a present voltage across terminals of the battery. The system further includes a non-transitory memory configured to store previously detected voltages across the terminals of the battery, and a previous operating mode of the battery. The system further includes a processor coupled to the voltage sensor and the non-transitory memory and configured to determine the operating mode of the battery by comparing the present voltage across the terminals of the battery to the previously detected voltages of the battery and based on the previous operating mode of the battery.

N-(PHENYLCARBAMOYL)-4-METHYLPIPERIDINE HERBICIDES COMPOSITIONS AND HERBICIDAL METHOD

N-phenylcarbamoyl-4-methylpiperidine herbicides having the formula wherein R is a member selected from the group consisting of hydrogen and fluorine, compositions containing the same and the selective herbicidal method of use as a selective preemergence herbicide toward corn and a selective postemergence herbicide toward barley and, when R is H, toward corn.

MOBILE CART AND POWER SYSTEM THEREFOR

A mobile cart has a battery assembly, which includes an on-board charger for selectively recharging one or more batteries to ensure constant operation of the powered equipment provided on the cart. The battery assembly possesses a removable battery configuration and is operated by a Battery Control System (BCS). The BCS is an intelligent control system for removable batteries and battery cell packs to provide an improved system of charging and discharging the individual batteries.

BATTERIES, BATTERY SYSTEMS, BATTERY SUBMODULES, BATTERY OPERATIONAL METHODS, BATTERY SYSTEM OPERATIONAL METHODS, BATTERY CHARGING METHODS, AND BATTERY SYSTEM CHARGING METHODS

Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods are described. According to one aspect, a battery includes battery terminal, a second battery terminal, and a plurality of submodules comprising a first submodule terminal, a second submodule terminal, a plurality of rechargeable cells electrically coupled between the first and second submodule terminals, and switching circuitry configured to electrically couple one of the first and second battery terminals with one of the first and second submodule terminals of one of the submodules during an engaged mode of operation of the one of the submodules and to electrically isolate the one of the first and second battery terminals from the one of the first and second submodule terminals of the one of the submodules during a disengaged mode of operation of the one of the submodules.

Battery with internal monitoring system

hair dryer to the battery

Systems and methods for utilizing an array of power storage devices, such as batteries

A system for utilizing an array of electrical energy storage devices utilizes a smart manager that categorizes electrical energy storage devices in the array based on electrical energy storage device age and/or internal resistance level and causes those electrical energy storage devices with similar ages and/or resistance levels to be concurrently depleted. This is followed by concurrently depleting the electrical energy storage devices in a different category. The system also disconnects faulty electrical energy storage devices in the array and helps alleviate the need to carefully consider and reconfigure the location of individual electrical energy storage devices in the array. The system facilitates forecasting actual capacity and thus helps to guarantee available capacity and to actively maintain capacity via maintenance crews that need simply remove and replace cells as advised by the smart manager. The system 100 facilitates permitting a quality of service (QoS) to be provided to ...

A low voltage threshold adjusting method

A low voltage threshold adjusting method provided includes following steps: detecting whether a present voltage is lower than the low voltage threshold; in response to that the present voltage is lower than the low voltage threshold, detecting whether a present current exceed a preset current threshold; in response to that the present current exceeds the preset current threshold, detecting whether a present temperature exceeds a preset temperature; in response to that the present temperature not exceeds the preset temperature, checking a current state of charge (SOC) is higher than a preset SOC; and in response to that the current SOC is higher than the preset SOC, decreasing the low voltage threshold.

METHOD AND SYSTEM OF SMART MANAGEMENT OF ELECTROCHEMICAL BATTERIES FOR AN ELECTRIC VEHICLE

DEMANDE INTERNATIONALE PUBLIEE EN VERTU DU TRAITE DE COOPERATION EN MATIERE DE BREVETS (PCT) (19) Organisation Mondiale de la —,, Propriete Intellectuelle 111111111111111111110111110111111111111113110111111110111011111011110111111 Bureau international .....1 (10) Numero de publication internationale (43) Date de la publication internationale ......--- WO 2017/215966 Al 21 decembre 2017 (21.12.2017) WIPO I P CT (51) Classification internationale des brevets : (74) Mandataire : PONTET ALLANO & ASSOCIES ; Parc HO2J 7/00 (2006.01) 1160L 11/00 (2006.01) Les Algorithmes, 13a.timent PLATON, CS 70003 SAINT- (21) Numero de la demands internationale : AUBIN, 91192 GIF SUR YVETTE Ccdcx (FR). PCT/EP2017/063542 (81) Etats design& (sauf indication contraire, pour tout titre de (22) Date de depot international : protection nationals disponible) : AE, AG, AL, AM, AO, 02 juin 2017 (02.06.2017) AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, (25) Langue ...

METHOD FOR MANAGING A BATTERY ACCORDING TO ITS STATE OF HEALTH

A method for managing a battery according to a state of health of the battery, comprising, prior to using the battery, predetermining a maximum depth of discharge profile according to the state of health of the battery, the profile being dependent on a technology of the battery, on a nominal energy level to be made available each time the battery is discharged, the nominal energy level being substantially constant over a service life of the battery. While using the battery, a maximum depth of discharge of the battery is adjusted at regular intervals, each time the state of health of the battery decreases by a percentage corresponding to an update interval p % that is equal to p/100, that is, for all state of health values (SOHO that are equal to SOHo-n×p %, where n is an integer comprised between 0 and 20/p.

Battery Management Apparatus and Method Thereof

Disclosed is a battery management apparatus and method. The battery management apparatus according to an embodiment of the present disclosure may be configured to, when the voltage of a battery being discharged is equal to or lower than a preset discharge threshold voltage, predict the time left for a lower limit of discharge voltage preset lower than the discharge threshold voltage from the current time, and maintain or adjust the output parameter of the battery based on the predicted remaining time.

HYBRID BATTERY SYSTEM

A stationary hybrid battery back-up system incorporates two different battery units that differ in terms of recharging efficiency, cycle life, power capability, depth of discharge threshold, temperature threshold, internal impedance threshold, charger rate efficiency and/or stand-by efficiency. The battery back-up system of the present invention comprises an auxiliary power supply that can be used to charge the first and second batteries and/or provide power to a load. When the operating voltage of the system drops, due to a power failure of a power source, the control system may couple the first and/or second battery unit to a load. The control system may have voltage threshold limits wherein it engages the first and second battery units to support the load demand. The first and second battery units may be charge by the auxiliary power supply when the operating voltage is above a threshold level.

Controlling electrical access to a lithium battery on a utility vehicle

Techniques control a utility vehicle. Such techniques involve storing electric power in a lithium battery of the utility vehicle. Such techniques further involve operating a motor controller of the utility vehicle in a normal mode in which the motor controller provides electric power from a lithium battery of the utility vehicle to an electric motor of the utility vehicle to turn one or more ground engaging members of the utility vehicle. Such techniques further involve, after operating the motor controller in the normal operating mode, operating the motor controller in a walkaway mode in which the motor controller configures the electric motor to provide braking torque.

ИНСТРУМЕНТ С ЭЛЕКТРИЧЕСКИМ ПРИВОДОМ, ПИТАЕМЫЙ ПОСРЕДСТВОМ БАТАРЕЙНОГО ИСТОЧНИКА ПИТАНИЯ, И АДАПТЕР ДЛЯ НИХ

Изобретение относится к области электротехники. Адаптер снабжен соединительным участком, выполненным с возможностью разъемного прикрепления к основному корпусу инструмента с электрическим приводом, и по меньшей мере одним приемным участком для батареи, выполненным с возможностью разъемного прикрепления к батарейному источнику питания. Батарейный источник питания, прикрепленный к приемному участку для батареи, электрически подключен к основному корпусу инструмента с электрическим приводом, прикрепленному к соединительному участку, через схему подачи питания адаптера. Адаптер снабжен измерительным участком, выполненным с возможностью измерения показателя, соответствующего уровню заряда батарейного источника питания, и принимающим сигнал участком, выполненным с возможностью приема аварийного сигнала, выдаваемого из батарейного источника питания, и выполнен с возможностью прекращения или ограничения подачи питания в основной корпус инструмента с электрическим приводом на основе замера измерительным ...

СПОСОБ И СИСТЕМА УПРАВЛЕНИЯ ЭЛЕКТРОХИМИЧЕСКИМИ БАТАРЕЯМИ УСТАНОВКИ ЭЛЕКТРОПИТАНИЯ В СЛУЧАЕ НЕИСПРАВНОСТИ БАТАРЕИ(Й)

СПОСОБ И СИСТЕМА ИНТЕЛЛЕКТУАЛЬНОГО УПРАВЛЕНИЯ АККУМУЛЯТОРНЫМИ БАТАРЕЯМИ УСТАНОВКИ ЭЛЕКТРОСНАБЖЕНИЯ

KONTROLLE DES THERMISCHEN DURCHGEHENS IM BATTERIESYSTEM

Ein Verfahren zur Steuerung eines thermischen Durchgehereignisses in einem Batteriesystem mit einem ersten und einem zweiten Batteriemodul. Das Verfahren umfasst die Erfassung eines thermischen Durchgehereignisses in dem ersten Batteriemodul und, als Reaktion auf die Erfassung des thermischen Durchgehereignisses, die Bestimmung, ob ein elektrischer Strom durch das erste Batteriemodul fließt. Das Verfahren umfasst auch die elektrische Entkopplung des ersten Batteriemoduls vom zweiten Batteriemodul als Reaktion auf die Erfassung des thermischen Durchgehereignisses, wenn kein Strom durch das erste Batteriemodul fließt. Darüber hinaus umfasst das Verfahren das elektrische Verbinden des zweiten Batteriemoduls mit einer elektrischen Last, um das zweite Modul durch die Last zu entladen, wenn festgestellt wird, dass der Strom durch das erste Batteriemodul fließt, oder nach dem Entkoppeln des ersten Moduls. Das Entladen des zweiten Batteriemoduls dient dazu, die Ausbreitung des thermischen Durchgehereignisses ...

System zum Laden eines Energiespeichers und Verfahren zum Betrieb des Ladesystems

Die Erfindung betrifft ein System zum Laden mindestens einer Energiespeicherzelle (5) in einem steuerbaren Energiespeicher (2), welcher der Steuerung und der elektrischen Energieversorgung einer n-phasigen elektrischen Maschine (1), mit n 1, dient. Dabei weist der steuerbare Energiespeicher (2) n parallele Energieversorgungszweige (3-1, 3-2, 3-3) auf, welche jeweils mindestens zwei in Reihe geschaltete Energiespeichermodule (4) aufweisen, welche jeweils mindestens eine elektrische Energiespeicherzelle (5) mit einer zugeordneten steuerbaren Koppeleinheit (6) umfassen. Die Energieversorgungszweige (3-1, 3-2, 3-3) sind einerseits mit einer Bezugsschiene (T-) und andererseits mit jeweils einer Phase (U, V, W) der elektrischen Maschine (1) verbindbar. In Abhängigkeit von Steuersignalen überbrücken die Koppeleinheiten (6) die jeweils zugeordneten Energiespeicherzellen (5) oder schalten diese in den jeweiligen Energieversorgungszweig (3-1, 3-2; 3-3). Um ein Laden mindestens einer Energiespeicherzelle ...

Verfahren zum Betrieb eines Steuersystems für eine elektrische Maschine und System zum Steuern einer elektrischen Maschine

Die Erfindung betrifft ein Verfahren zum Betrieb eines Steuersystems für eine elektrische Maschine (1), wobei das Steuersystem einen steuerbaren Energiespeicher (5), einen dem steuerbaren Energiespeicher (5) nachgeschalteten Zwischenkreiskondensator (4) und einen dem Zwischenkreiskondensator (4) nachgeschalteten Inverter (2), welcher mit der elektrischen Maschine (1) verbindbar ist, umfasst. Der steuerbare Energiespeicher (5) weist dabei einen Energieversorgungszweig (6) mit mindestens zwei in Reihe geschalteten Energiespeichermodulen (7) auf, welche jeweils mindestens eine elektrische Energiespeicherzelle (8) mit einer zugeordneten steuerbaren Koppeleinheit (9) umfassen. In Abhängigkeit von Steuersignalen überbrücken die Koppeleinheiten (9) die jeweils zugeordneten Energiespeicherzellen (8) oder schalten die jeweils zugeordneten Energiespeicherzellen (8) in den Energieversorgungszweig (6). Mindestens eine Koppeleinheit (9) des steuerbaren Energiespeichers (5) wird dabei derart impulsförmig ...

Battery system operating method for use in e.g. hybrid vehicle, involves controlling switching-on and off process of battery units by controlling unit depending on operating characteristics of battery units

The method involves controlling switching-on and off process of three battery units (2) by a controlling unit (4). The battery units are switched-on and off depending on operating characteristics of the battery units. Charging condition and battery temperature of the battery units is utilized as the operating characteristic for selecting the switching on process of the battery units. The battery units are provided with a system voltage of about 400 volts, where each battery unit is provided with an isolating contactor (5). An independent claim is also included for a battery system comprising battery units.

Battery powered wearables

Reconfigurable electric batteries

A reconfigurable battery, comprising: at least two battery cell sections BCS connected in series, each battery cell section comprising two controllable switches and at least one battery cell BC; wherein in each battery cell section, the two controllable switches are operable to either set the battery cell section to an active mode where the battery cell is connected to the battery’s electrical circuit, or set the battery cell section to an idle mode such that the battery cell is bypassed; and control means configured to monitor and control each of the at least two battery cell sections; wherein whenever a switching condition (e.g. state of charge, state of health, temperature of the cell or switches, a time interval or a battery cell type) is fulfilled, the control means controls the switches of each of battery cell section such that the mode of the at least one battery cell of that battery cell section is changed.

HERBIZIDE

Adapter and charging control method, charging system

Provided are an adapter and a charging control method, said adapter comprising: a primary unit (11), used for converting inputted alternating current to current of a pulsating waveform; the adapter is capable of operating in a constant-current mode, and the peak value of the current of the first pulsating waveform is larger than the current value corresponding to a current limit point in constant-current mode; a power adjustment unit (12), used for sampling the output current of the adapter to obtain a current sampling value, and modulating the first pulsating waveform according to the current sampling value; a secondary unit (13), used for coupling the primary unit to the current of the secondary unit and converting to the output current of the adapter, the output current of the adapter being the current of the second pulsating waveform, and the peak value of the current of the second pulsating waveform being equal to the current value corresponding to a current limit point in constant-current ...

SYSTEMS AND METHODS FOR DETERMINING A RESERVE TIME OF A MONOBLOC

A method of determining a reserve time of a monobloc includes detecting, by a voltage sensor, an end of discharge voltage of the monobloc after a deep discharge of the monobloc. The method further includes receiving, by a processor, the end of discharge voltage of the monobloc. The method further includes determining or receiving, by the processor, a duration of the deep discharge. The method further includes calculating, by the processor, a discharge reserve time of the monobloc based on the end of discharge voltage and the duration of the deep discharge.

POWER TOOL AND CONTROL METHOD THEREFOR

An electric tool (13) capable of connecting a plurality of battery packs (11, 12), comprising: a motor (138) with several battery accommodation parts for connecting anodes (132, 135) of the battery packs to a cathode node (A, C) and connecting cathodes of the battery packs to an anode node (B, D); several switch devices (131, 134) with a first connection end and a second connection end respectively connected to the cathode node and the battery accommodation parts; and a controller (139) for detecting a potential difference between the first connection end and the second connection end, and enabling the switch devices to disconnect the two connection ends when the potential difference is smaller than a pre-set value, wherein the motor is connected between the anode node and the cathode node. The electric tool can realize that a plurality of battery packs supply power for the electric tool evenly. Also disclosed is a method for controlling an electric tool capable of connecting a plurality ...

POWER SYSTEM OF SHIP

Provided is a ship power system that comprises a first power storage device, a second power storage device, and a control system. The energy density of the first power storage device is larger than that of the second power storage device, and the output density of the second power storage device is larger than that of the first power storage device. When the intended use is power generation, the control system causes the first power storage device to discharge power with priority over the second power storage device so that a base power is continuously supplied to an onboard power load connected to an onboard busbar. When the intended use is system stabilization, the control system causes the second power storage device to charge/discharge power with priority over the first power storage device so as to compensate for frequency or voltage fluctuations of an onboard power system.

Discharge control apparatus and discharge control method

A discharge control apparatus includes: two or more battery packs equipped with a secondary battery; and a main control unit controlling discharge from the battery packs, in which the two or more battery packs are controlled such that at least one of the battery packs selected by the main control unit discharges, and when switching the battery packs so that only the selected battery pack discharges, the main control unit controls switching such that the battery pack after switching discharges and then the battery pack before switching stops discharge.

Battery pack

An electrical combination including a driver drill capable of producing an average current draw of approximately 20-amps, a circular saw capable of producing an average current draw of approximately 20-amps, and a power tool battery pack operable to supply power to the driver drill and to the circular saw, the battery pack including a plurality of battery cells, the plurality of battery cells each having a lithium-based chemistry.

Electricity supply system for vehicles

The invention relates to an electricity supply system for vehicles, which has a connector device that includes an electronic board provided with a data microprocessor; a plurality of connector plugs arranged in parallel and connected to one another to couple to a plurality of removable rechargeable batteries; a connection to the electronic board provided with a continuous current BUS to couple to the electrical system of the engine of the corresponding vehicle; and a discriminator such that the electronic board is able to identify the electrical supply from any of the plurality of removable batteries, such that when the rechargeable batteries are discharged or low they can be recharged from an external electricity source such as the general electricity grid.

Charge control scheme for use in power tools

A simplified control scheme is presented for use in a power tool. The power tool may be comprised of two or more lithium-ion battery cells connected in series and operable to drive the motor in the tool. A charging circuit is configured to receive a charging current from an AC adapter and to supply the charging current to the battery cells. A microcontroller monitors the voltage of the battery cells and terminates charging of the battery cells in accordance with the monitored voltages of the battery cells. The microcontroller does not receive power from the battery cells but is only powered by the AC adapter. Of note, each of the battery cells preferably employs an electrolyte composition comprised of a redox shuttle material. In combination with other tool components, the use of the redox shuttle material reduces or eliminates the need for expensive charge and discharge controls, thereby reducing the cost of the tool.

Intelligent battery system

A mobile workstation includes a first battery bracket for releasable attachment of a main battery, a second battery bracket for releasable attachment of a backup battery and a power control circuit. The power control circuit includes a first input for receiving and monitoring power from the main battery, a second input for receiving and monitoring power from the backup battery, and a DC output. The power control circuit selectively routes a first flow of electricity from the main battery to the DC output when the first flow of electricity exceeds a predetermined value, and routes a second flow of electricity from the backup battery to the DC output when the first flow of electricity falls below the predetermined value.

Secondary battery pack connection control method, power storage system, and secondary battery pack

A power storage system has a plurality of secondary battery packs and a host device. The secondary battery packs each have: secondary batteries; a charge switch means that turns a charging path to the secondary batteries ON and OFF; a discharge switch means that turns a discharging path from the secondary battery ON and OFF; and a current-limiting means that causes the secondary battery to discharge while limiting the current to, or below, a fixed value. When switching from the secondary battery pack connected to the input/output terminals of the system to a first secondary battery pack in which voltage is higher than in the second secondary battery pack, the host device causes the charge switch means of the second secondary battery pack to turn OFF the charging path while in a state in which the current limiting means of the first secondary battery pack will cause a discharge operation to begin while limiting the flow of current.

Hybrid energy storage system, renewable energy system including the storage system, and method of using same

This disclosure generally relates to stabilizing energy provided by an energy source, and more particularly to systems and methods for using multiple types of energy storage devices to selectively capture and provide energy. An energy source provides energy, and the energy storage devices selectively capture energy provided by the energy source in excess of an immediate energy requirement of a load and selectively provide energy when the immediate energy requirement of the load exceeds the energy provided by the energy source.

Systems for charging an energy store, and method for operating the charging systems

A system for charging at least one energy reservoir cell in a controllable energy reservoir for controlling/supplying electrical energy to an n-phase electrical machine. The controllable energy reservoir has n parallel energy supply branches each having at least two series connected energy reservoir modules, each encompassing at least one electrical reservoir cell having an associated controllable coupling unit. The energy supply branches are connectable to a reference bus and a respective phase of the machine. As a function of control signals, the coupling units interrupt the respective energy supply branch or bypass the cells or switch the associated cells into the respective energy supply branch. To enable charging of at least one cell, at least two phases of the machine are connectable via at least one respective freewheeling diode to a positive pole of a charging device, and the reference bus is connectable to a negative pole of the device.

System for charging an energy store, and method for operating the charging system

A system for charging at least one energy reservoir cell in a controllable energy reservoir which serves to control and supply electrical energy to an n-phase electrical machine where n≧1. The controllable energy reservoir has n parallel energy supply branches that each have at least two energy reservoir modules, connected in series, that each encompass at least one electrical energy reservoir cell having an associated controllable coupling unit. The energy supply branches are connected on the one hand to a reference bus and on the other hand to a respective phase of the electrical machine. As a function of control signals, the coupling units either interrupt the energy supply branch or bypass the respectively associated energy reservoir cells or switch the respectively associated energy reservoir cells into the energy supply branch. All energy supply branches are connectable via at least one inductance and one rectifier unit to an external energy supply network. The reference bus is furthermore connectable to the rectifier unit.

Controllable energy store and method for operating a controllable energy store

The invention relates to a controllable energy store ( 2 ) with n parallel energy supply branches ( 3 - 1, 3 - 2, 3 - 3 ), wherein n≧1, each said branch having a first energy supply sub-branch ( 3 - 11; 3 - 21; 3 - 31 ) and a second energy supply sub-branch ( 3 - 12; 3 - 22; 3 - 32 ) that is connected in parallel to said first energy supply sub-branch. Each energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) has at least one energy storing module ( 4 ), each of which comprises at least one electric energy storing cell ( 5 ) with a corresponding controllable coupling unit ( 6 ). The coupling units ( 6 ) disconnect the energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) or bridge the respective corresponding energy storing cells ( 5 ) or connect the respective corresponding energy storing cells ( 5 ) into the respective energy supply sub-branch ( 3 - 11; 3 - 12; 3 - 21; 3 - 22; 3 - 31; 3 - 32 ) dependent on control signals. The energy storing cells ( 5 ) of the energy storing modules ( 4 ) in the first energy supply sub-branch ( 3 - 11; 3 - 21; 3 - 31 ) and the energy storing cells ( 5 ) of the energy storing modules ( 4 ) in the second energy supply sub-branch ( 3 - 12; 3 - 22; 3 - 32 ) are arranged in an anti-parallel manner.

Machine learning of electrical system behavior, and related systems, apparatuses, and methods

The present disclosure is directed to machine learning of electrical power system behavior, and related systems, apparatuses, and methods. A controller of an electrical power system includes a data storage device configured to store model data indicating a model load power consumed by loads of the electrical power system. The controller also includes a processor configured to determine current data including current load power consumed by the loads, modify the model data by aggregating the model data with the current data, and determine a set of control values for a set of control variables to effectuate a change to operation of the electrical power system based, at least in part, on the model data.

SERVER DEVICES, MACHINES, BATTERY DEVICES AND METHODS FOR MANAGING USAGE OF ONE OR MORE BATTERY DEVICES

A server device is provided, the server device comprising a processing circuitry, a memory circuitry, an interface circuitry configured to connect to a communication network. The server device is configured to obtain machine data indicative of one or more features of a machine. The machine is configured to be powered by a battery device. The server device is configured to obtain usage data indicative of a usage of the machine. The server device is configured to obtain, for one or more battery devices, battery data indicative of one or more battery parameters of a battery device. The server device is configured to determine, for the one or more battery devices, a predicted impact on the one or more battery parameters based on the battery data, the usage data, and the machine data. 1. A server device comprising a processing circuitry , a memory circuitry , and an interface circuitry configured to connect to a communication network , wherein the server device is configured to perform operations comprising:obtaining machine data indicative of one or more features of a machine, wherein the machine is configured to be powered by a battery device;obtaining usage data indicative of a usage of the machine;obtaining, for one or more battery devices, battery data indicative of one or more battery parameters of a battery device; anddetermining, for the one or more battery devices, a predicted impact on the one or more battery parameters based on the battery data, the usage data, and the machine data,wherein the server device is configured to receive, via the interface circuitry, a request for a battery device from a service provider, andwherein the server device is configured to determine, for the one or more battery devices, the predicted impact on the one or more battery parameters based on the battery data, the usage data, the machine data, and the request that was received.2. The server device according to claim 1 , wherein the server device is configured to select at least ...

Regulated power sources

Disclosed herein are regulated power supplies. The power source delivers power to a system load and includes battery units. The power source also includes power flow devices coupled to the battery units that are configured to provide power from the battery units to the system load. Each power flow device corresponds to a respective one of the battery units, and includes a one direction current flow device connected in series with a current regulator between the respective battery unit and the system load.

DC-DC Conversion for Multi-Cell Batteries

A power supply has a multi-level DC-DC converter and a battery pack with two or more cells provided in series. The switching DC-DC converter provides a regulated voltage at an output. The converter has an energy storage element. The switching regulator is designed to selectively operate in two or more different modes. It switches between a first mode where one cell is connected (between battery and inductor of the converter), and the converter functions like a single cell buck converter and a second mode where two cells are connected in series and the converter functions like a two series cell buck converter. In general, any number of cells and modes can be provided, with successive cells being connected in series in each mode.

Battery warm up system and method for warming up battery using the same

A battery warm up system according to the present disclosure includes a battery state measuring unit to measure a state of charge (SOC) of each module of a battery pack of a vehicle, a control unit to optionally output a forced discharging start signal and to output a balancing start signal, a forced discharging circuit unit to force at least one battery module among a plurality of battery modules of the battery pack to be discharged in response to the forced discharging start signal, and a balancing unit to balance the SOC of each of the battery modules in response to the balancing start signal.

Method and Apparatus for Storing and Depleting Energy

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. 1. A method comprising:transferring, by using a plurality of power converters, power from a plurality of energy storage devices to a load such that the plurality of energy storage devices reach predetermined depletion values at a common discharging end time,wherein the plurality of power converters each have first terminals that connect the plurality of power converters one-to-one to the plurality of energy storage devices, andwherein the plurality of power converters each have second terminals connected to the load.2. The method of claim 1 , wherein at least one energy storage device claim 1 , of the plurality of energy storage devices claim 1 , have a different charge storage capacity than at least another energy storage device claim 1 , of the plurality of energy storage devices.3. The method of claim 1 , further comprising:regulating, responsive to a common voltage reference or a common current reference, a plurality of variable discharge rates respectively of the plurality of power converters during discharging of the plurality of energy storage devices.4. The method of claim 3 , wherein the plurality of power ...

Dual-power-supply dual-mode pure electric passenger vehicle

A dual-power-supply dual-mode pure electric passenger vehicle includes two power batteries: One is used as a standby power battery and adopts a charging mode; and the other is a power battery that can be loaded and removed at any time and adopts a battery swap mode. Both power batteries can be powered separately. Under normal circumstances, the power battery for battery swap is preferably adopted. The power battery for the battery swap is connected to the vehicle through a connector, the connector includes a high-voltage electrical interface, a low-voltage electrical interface and a communication interface. When the power of the power battery for the battery swap is used up, the charged power battery is used.

Control device and method for discharging a rechargeable battery

A control device for controlling discharging of a rechargeable battery, the control device comprising a rechargeable dummy cell, a first circuit configured to discharge the battery and the dummy cell, and a second circuit configured to measure the open circuit voltage of the dummy cell. The control device is configured to: determine the open circuit voltage of the dummy cell by using the second circuit, and determine the maximum capacity decrement of the battery, which is to be discharged until full discharging, based on the determined open circuit voltage of the dummy cell. The invention also refers to a corresponding method of controlling discharging of a rechargeable battery.

Variable Voltage Controller

A vehicle includes an inverter connected to an energy store having a variable output voltage and including a first pair of battery partitions. The vehicle includes a controller configured to operate a first set of switches to arrange electrical connections between the first pair such that the variable output voltage is greater than battery voltage of a one of the battery partitions. The operation of switches is responsive to a parameter indicative of speed of an electric machine electrically coupled to the inverter exceeding a first predetermined threshold.

Energy converting apparatus and method

The present invention relates to an energy converter for converting energy received from at least one energy source, wherein the at least one energy source includes a first photovoltaic generator, wherein the energy converter is configured to be connected to a second photovoltaic generator; the energy converter further includes a sensing unit configured to sense an open circuit voltage (VPVSS) of the second photovoltaic generator; and the energy converter is configured to convert energy received from the first photovoltaic generator based on the open voltage circuit sensed by the sensing unit. Moreover, the present invention relates to an energy conversion and storage system including the energy converter and least one energy storage element.

Electrical storage system, and control method for electrical storage system

A first electrical storage stack is connected in series with a second electrical storage stack. A current interrupter is configured to interrupt a current path by being removed from the current path. First and second detection line are respectively connected to first and second terminals of the first electrical storage stack. The second electrical storage stack is connected to the second terminal of the first electrical storage stack via the current interrupter. A third detection line is connected to a portion of the current path, located on the second electrical storage stack side of the current interrupter. A controller is configured to control charging and discharging operations of each of the first and second electrical storage stacks on the basis of the voltage of the first electrical storage stack, the voltage being detected via the first detection line and the third detection line.

METHOD FOR OPERATING A BATTERY SYSTEM

A method for operating a battery system. The battery system includes parallel-connected strings. Each string includes at least one battery module. In the battery module, multiple battery cells are interconnected in a series connection and/or in a parallel connection. The strings are switchable on and off from one another. The battery cells and/or battery cell packets are switchable on and off from one another and are bypass-able. The method includes: recognizing a fault of a battery cell; switching off and bypassing the faulty battery cell and/or the faulty battery cell packet which includes the faulty battery cell; switching off the faulty string, which includes the faulty battery cell and/or the faulty battery cell packet; comparing the string voltage of the faulty string to the string voltage of intact strings, in which no fault was recognized; discharging the intact strings if voltage differences between the strings exceed a voltage threshold value. 110-. (canceled)11. A method for operating a battery system , which includes multiple strings connected to one another in parallel , each of the strings including at least one battery module in which multiple battery cells are interconnected in a series connection and/or in a parallel connection , the strings being switchable on and off from one another , and individual battery cells of the battery cells and/or individual battery cell packets which each include multiple battery cells of the battery cells interconnected in parallel , being switchable on and off from one another and being able to be bypassed , the method comprising the following steps:recognizing a fault of a battery cell of the battery system;switching off and bypassing the faulty battery cell and/or a faulty battery cell packet in which the faulty battery cell is located;switching off a faulty string which includes the faulty battery cell and/or the faulty battery cell packet;comparing a string voltage of the faulty string to a string voltage of ...

BATTERY MANAGEMENT SYSTEM

A method of discharging a battery assembly used to power at least part of an object includes detecting when power to the object is turned off, detecting, with aid of a timer, an amount of time elapsed since the power to the object is turned off, and initiating a controlled self-discharge of the battery assembly when the amount of time exceeds a threshold length of time. The controlled self-discharge of the battery assembly is performed by a self-discharging circuit electrically coupled to the battery assembly. 1. A method of discharging a battery assembly used to power at least part of an object , the method comprising:detecting when power to the object is turned off;detecting, with aid of a timer, an amount of time elapsed since the power to the object is turned off; andinitiating a controlled self-discharge of the battery assembly when the amount of time exceeds a threshold length of time, wherein the controlled self-discharge of the battery assembly is performed by a self-discharging circuit electrically coupled to the battery assembly.2. The method of claim 1 , further comprising detecting a voltage of the battery assembly during the controlled self-discharge of the battery assembly.3. The method of claim 2 , further comprising terminating the controlled self-discharge of the battery assembly when the voltage reaches a threshold voltage value.4. The method of claim 3 , wherein the threshold voltage value is about 50% of a nominal voltage of the battery assembly.5. The method of claim 4 , wherein the threshold voltage value is about 38V.6. The method of claim 3 , wherein the threshold voltage is configured to enable safe long-term storage of the battery assembly.7. The method of claim 3 , furthering comprising entering a hibernation mode subsequent to terminating the controlled self-discharge of the battery assembly.8. The method of claim 1 , further comprising detecting when the power to the object is turned on.9. The method of claim 8 , further comprising ...

Operating conditions information system for an energy storage device

The system may be configured to perform operations including measuring a temperature and a voltage of a battery at various times producing data points, wherein each data point comprises the temperature and voltage of the battery and a respective time that the temperature and voltage was measured; assigning each data point to a respective cell in a matrix stored on a, wherein the matrix comprises a first axis comprising voltage ranges and a second axis comprising temperature ranges, wherein each cell is associated with a voltage range and a temperature range, wherein the voltage and temperature of each data point is within the voltage range and temperature range, respectively, of the respective cell; and/or generating a first value in a counter comprised in each cell reflecting a total number of data points assigned to the cell, such that the first value in each cell is stored in the memory.

Systems and methods for determining a state of charge of a disconnected battery

A method is disclosed for determining a state of charge, a self-discharge rate, and a predicted amount of time remaining (tREMX) until the battery will self-discharge to a pre-determined minimum state-of-charge (SOCmin) under storage or transit conditions, in a disconnected battery. The method further discloses calculating a time to recharge the battery (ReChargeTime) from its current SOC to a desired SOC. A battery monitor circuit, embedded or attached to a battery, monitors an instantaneous internal temperature (Tx) and a voltage (Vx) of a disconnected battery to perform the analysis and provide notification, scheduling, and take other actions. In an example embodiment, the method further comprises displaying this determined battery information on the remote device without any physical connection between the remote device and the battery.

Systems and methods for detecting battery theft

Described herein are method and systems for detecting an unauthorized removal of a battery. The system comprising: a battery monitor circuit attached to or embedded in the battery; a remote device, wherein the remote device stores instructions that when executed on the remote device cause the remote device to perform operations comprising: receiving, at the remote device, a wireless signal from the battery monitor circuit comprising voltage and temperature data; evaluating, by the remote device, whether the battery is in its expected location by confirming for each battery, which is expected to be present, whether there has been an unexpected interruption in the wireless signal from the battery; providing an alert notification when there has been an unexpected interruption in the wireless signal.

Power system of ship

A power system of a ship includes a first power storage device, a second power storage device, and a control system. The first power storage device has an energy density higher than that of the second power storage device. The second power storage device has a power density higher than that of the first power storage device. The control system is configured to: as a power generator application, prioritize discharging the first power storage device over discharging the second power storage device, such that base power is continuously supplied to an onboard electrical load connected to an onboard bus; and as a grid stabilization application, prioritize charging/discharging the second power storage device over charging/discharging the first power storage device to compensate for frequency variation or voltage variation of an onboard power grid.

Using battery dc characteristics to control power output

Techniques are described for implementing automated control systems to control operations of specified physical target systems, such as with one or more batteries used to store and provide electrical power. Characteristics of each battery's state may be used to perform automated control of DC power from the battery, such as in a real-time manner and to optimize long-term operation of the battery. In some situations, multiple batteries are controlled by using multiple control systems each associated with one of the batteries, and with overall control being coordinated in a distributed manner using interactions between the multiple control systems. A system that includes one or more batteries to be controlled may further include additional components in some situations, such as one or more electrical sources and/or one or more electrical loads, with one non-exclusive example of a type of such system being one or more home electrical power systems.

Power Tool

A power tool capable of appropriately performing discharge control with respect to respective battery packs whose battery types are different from each other. The power tool includes: a battery connecting part to which one of a first battery pack and a second battery pack having capacity smaller than that of the first battery pack is detachably attachable; a motor driven by electric power supplied from the battery pack; current detection means configured to detect a discharge current flowing from the battery pack to the motor; cut-off controlling means configured to cut off the discharge current when the discharge current becomes equal to or larger than a current threshold; and battery type discrimination means configured to discriminate the battery pack connected to the battery connecting part. The current threshold when the second battery pack is connected to the battery connecting part is lower than that when the first battery pack is connected to the battery connecting part.

MULTIPLEXED BATTERY MANAGEMENT SYSTEM

Electrochemical cell and battery management systems are generally provided. The systems can comprise at least one battery comprising two or more strings of cells, each string of cells comprising two or more cells. The system can also include a multiplexing switch apparatus connected to each string of cells. The system can also include a controller. In some cases, the controller can be used to control various aspects of the charge and/or discharge of the electrochemical cell and/or battery. 1. A battery management system comprising:at least one battery comprising two or more strings of cells, each string of cells comprising two or more cells;a multiplexing switch apparatus connected to each string of cells; andat least one controller configured to use the multiplexing switch apparatus to transition between discharging of a first string of cells and discharging of a second string of cells while keeping a voltage difference between the first string and the second string below a threshold voltage difference.2. A battery management system comprising:at least one battery comprising two or more strings of cells, each string of cells comprising two or more cells;a multiplexing switch apparatus connected to each string of cells; andat least one controller configured to use the multiplexing switch apparatus to transition between discharging of a first string of cells and discharging of a second string of cells while keeping an overall output voltage of the battery within a window.3. A battery management system comprising:at least one battery comprising two or more strings of cells, each string of cells comprising two or more cells;a multiplexing switch apparatus connected to each string of cells; andat least one controller configured to use the multiplexing switch apparatus to transition between discharging of a first string of cells and discharging of a second string of cells while keeping an in-rush current resulting from the transition below a threshold current.4. The ...

System and Method for Allocating Propulsion Load Power Drawn from High-Energy and High-Power Batteries

System and method for allocating load power drawn from multiple batteries for powering propulsion of a vehicle. The system includes: high-energy and high-power batteries respectively designed for optimal production of DC power during high-specific-energy and high-specific-power propulsion; and battery health management systems configured to monitor state of charge and state of health of the batteries and generate battery status signals. The system further includes a propulsion load configured to produce propulsion force using power converted from power generated by at least one of the batteries and a system controller configured to allocate load power drawn from the high-energy and high-power batteries for use by the propulsion load in dependence on a propulsion phase of the vehicle and the battery status. 1. A system for allocating load power drawn from a battery system for powering propulsion of a vehicle , the system comprising:a high-energy battery that is designed for optimal production of DC power during high-specific-energy propulsion;a high-energy battery health management system that is configured to monitor a state of charge and a state of health of the high-energy battery and generate first battery status signals representing the state of charge and state of health of the high-energy battery;a high-power battery that is designed for optimal production of DC power during high-specific-power propulsion;a high-power battery health management system that is configured to monitor a state of charge and a state of health of the high-power battery and generate second battery status signals representing the state of charge and state of health of the high-power battery;a propulsion load configured to produce propulsion force using power converted from power generated by at least one of the high-energy and high-power batteries; anda system controller that is configured to receive the first and second battery status signals and then allocate load power drawn from the ...

System and method for monitoring and controlling a back-up power supply using temperature controlled batteries

Systems and methods of monitoring and controlling a back-up power supply are provided. The back-up power supply can include an uninterruptible power supply system configured with a plurality of primary battery banks maintained in long-term storage and a working battery maintained in an operable state. The back-up power supply system can monitor the condition of a first working battery to determine if the condition is below a performance threshold or a capacity threshold. The uninterruptible power supply system can transition a primary battery bank previously maintained in long-term storage to an operable state and designate the transitioned primary battery as a second working battery. The uninterruptible power supply system can switch the source of power provided by the back-up power supply from the first working battery to the second working battery.

Device charging system, charging method, and power adapter

The present disclosure provides a charging system and method and a power adapter. The system includes: a battery; a first rectification unit, configured to output a voltage with a first pulsating waveform; a switch unit, configured to modulate the voltage with the first pulsating waveform; a transformer, configured to output a voltage with a second pulsating waveform according to the modulated voltage; a second rectification unit, configured to rectify the voltage with the second pulsating waveform to output a voltage with a third pulsating waveform; and a control unit, configured to output the control signal to the switch unit to decrease a length of a valley of the voltage with the third pulsating waveform such that a peak value of a voltage of the battery is sampled.

Split battery for autonomous driving

Methods and systems are provided for managing multi-battery systems, such as those utilized in an electric vehicle. Multi-battery systems comprise batteries providing power in parallel, thereby making each battery available to the vehicle and avoiding the weight of transporting a backup battery. The methods and systems provided allow for a fault in one battery, in a parallel configuration with at least one other battery, to be detected and managed.

PORTABLE POWER BANK SYSTEM

Portable power bank system. In one embodiment, a portable power bank system may include a portable power bank and a software application. The portable power bank may include a power bank housing, one or more batteries internal to the power bank housing, and one or more electrical receptacles that are defined by the power bank housing. Each of the one or more electrical receptacles may be configured to selectively provide electrical power from the one or more batteries. The software application may include one or more computer-readable instructions that are configured, when executed by one or more processors of a portable computing device, to cause the portable computing device to communicate with the portable power bank over a wireless network to receive information regarding a current state of the portable power bank and to present the current state of the portable power bank on the portable computing device. 1. A portable power bank comprising:a power bank housing;one or more batteries internal to the power bank housing;one or more electrical receptacles that are defined by and integral to the power bank housing, each of the one or more electrical receptacles configured to selectively provide electrical power from the one or more batteries to any plug that plugs into the electrical receptacle;one or more wireless communication devices;{'claim-text': ['receiving, via the one or more wireless communication devices, a query over a wireless network, the query inquiring about a current state of the portable power bank; and', 'responding to the query, over the wireless network, with the current state of the portable power bank;', 'receiving, via the one or more wireless communication devices, a request over the wireless network, the request requesting the portable power bank to turn off power flow to at least one of the one or more electrical receptacles of the portable power bank; and', 'turning off power flow to the at least one of the one or more electrical ...

MACHINE LEARNING OF ELECTRICAL SYSTEM BEHAVIOR, AND RELATED SYSTEMS, APPARATUSES, AND METHODS

The present disclosure is directed to machine learning of electrical power system behavior, and related systems, apparatuses, and methods. A controller of an electrical power system includes a data storage device configured to store model data indicating a model load power consumed by loads of the electrical power system. The controller also includes a processor configured to determine current data including current load power consumed by the loads, modify the model data by aggregating the model data with the current data, and determine a set of control values for a set of control variables to effectuate a change to operation of the electrical power system based, at least in part, on the model data.

BATTERY OPTIMIZATION CONTROL SYSTEM WITH DATA FUSION SYSTEMS AND METHODS

An optimization controller for a battery includes a high level controller configured to receive a regulation signal from an incentive provider cat a data fusion module, determine statistics of the regulation signal, and use the statistics of the regulation signal to generate a frequency response midpoint. The optimization controller further includes a low level controller configured to use the frequency response midpoint to determine optimal battery power setpoints and use the optimal battery power setpoints to control an amount of electric power stored or discharged from the battery during a frequency response period. 120-. (canceled)21. An optimization controller for a battery , the optimization controller comprising: receive a first plurality of data from at least one external source, and', 'provide the first plurality of data to the data fusion module,', 'wherein the at least one external source includes at least one of a campus, a weather service, and an incentive provider;, 'a high level controller including a data fusion module, the high level controller configured to receive a second plurality of data from at least one internal source, and', 'provide the second plurality of data to the data fusion module,', 'wherein the at least one internal source includes at least one of a power inverter, a battery management unit, an environmental system, and a safety system;, 'a low level controller configured to receive the first plurality of data from the high level controller,', 'receive the second plurality of data from the low level controller,', 'receive a third plurality of data from photovoltaic system,', 'aggregate the first plurality of data, the second plurality of data, and the third plurality of data into a data collection, and', 'apply the aggregated data collection to extend a lifespan of the battery through a plurality of charge and discharge cycles of the battery., 'wherein the data fusion module is configured to22. The optimization controller of claim ...

Three-phase expandable ac system based on battery reconfiguration and control method thereof

A three-phase expandable AC system based on battery reconfiguration and a control method thereof are provided. The system includes a reconfigurable battery array capable of connecting to a load or being tied to a grid, and having a plurality of battery array modules. The reconfigurable battery array may perform charging or discharging with respect to the load or the grid, and may perform one of operations including: generating a single-phase AC voltage corresponding respectively to outputs of the battery array modules; generating a three-phase AC voltage corresponding to three battery array modules selected from the plurality of battery array modules; and generating a plurality of three-phase AC voltages in parallel from the plurality of battery array modules, and merging the three-phase AC voltages in parallel to scale power.

Power station

The present disclosure is provided with a power station including: an inverter for converting a direct current outputted by one or more battery packs into an alternating current; a rectifier for converting an alternating current into a direct current for charging the one or more battery packs; at least one battery pack interface configured to removably receive the one or more battery packs, that is originally used as a power source for a handheld electric power tool or a garden tool. A power system includes the power station, the one or more battery packs and an external electrical device coupled to the power station.

CONTROL OF THERMAL RUNAWAY EVENT IN BATTERY SYSTEM

A method of controlling a thermal runaway event in a battery system having first and second battery modules. The method includes detecting a thermal runaway event in the first battery module, and, in response to the detection of the thermal runaway event, determining whether an electrical current is flowing through the first battery module. The method also includes electrically decoupling the first battery module from the second battery module in response to the detection of the thermal runaway event, if the current is not flowing through the first battery module. Furthermore, the method includes electrically connecting the second battery module to an electrical load to discharge the second module through the load, if the current is determined to be flowing through the first battery module or after decoupling the first module. Discharging the second battery module is intended to control propagation of the thermal runaway event through the second module. 1. A method of controlling a thermal runaway event in a battery system having a first battery module and a second battery module , the method comprising:detecting, via a sensor, a thermal runaway event in the first battery module;communicating a signal indicative of the detected thermal runaway event to an electronic controller;determining, via the electronic controller, in response to the signal, whether an electrical current is flowing through the first battery module;electrically decoupling the first battery module from the second battery module, via the electronic controller, in response to the signal, if the electrical current is not flowing through the first battery module; andelectrically connecting the second battery module to an electrical load to discharge the second battery module through the electrical load, if the electrical current is determined to be flowing through the first battery module or after decoupling the first battery module, and thereby controlling propagation of the thermal runaway event ...

POWER SOURCE CONTROL DEVICE

A redundant power source ECU detects for failure of a power source of a primary system from a first DC-to-DC converter. In cases in which a failure has been detected during autonomous driving, the redundant power source ECU performs control to cause operation by a sub battery of a predetermined secondary system component that draws an inrush current, regardless of whether or not operation has been requested. 1. A power source control device for a vehicle comprising:a detector configured to detect failure of a main power source; anda controller configured to perform operational control of a component supplied with power from a sub battery such that a predetermined guaranteed voltage is maintained for at least a predetermined requested duration in cases in which failure of the main power source has been detected by the detector during autonomous driving of the vehicle.2. The power source control device of claim 1 , wherein as the operational control the controller is configured to cause operation by the sub battery of a predetermined component that draws an inrush current regardless of whether or not operation has been requested.3. The power source control device of claim 1 , wherein as the operational control claim 1 , the controller is configured to limit a power supply from the sub battery to a predetermined interruptible component.4. The power source control device of claim 2 , wherein as the operational control claim 2 , the controller is configured to limit a power supply from the sub battery to a predetermined interruptible component.5. The power source control device of claim 3 , wherein the controller is configured to limit the power supply either after a predetermined duration has elapsed or in cases in which a voltage of the sub battery has fallen to a predetermined voltage or below.6. The power source control device of claim 4 , wherein the controller is configured to limit the power supply either after a predetermined duration has elapsed or in cases in ...

Device having a multimode antenna with at least one conductive wire with a plurality of turns

A method of providing a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.

BATTERY PACK DETECTION AND BATTERY DISCHARGE MODE SELECTION

A power tool including a battery pack interface configured to receive a battery pack. The battery pack interface includes one or more power terminals and one or more communication terminals. The power tool further includes a controller having an electronic processor. The controller is configured to receive, via the one or more communication terminals, a plurality of signals indicating a plurality of temperatures of the battery pack. The controller is further configured to determine, based on the signals, a battery pack type. The controller is further configured to control discharge of the battery pack based on the battery pack type. 1. A power tool comprising:a battery pack interface configured to receive a battery pack, the battery pack interface including one or more power terminals and one or more communication terminals; and receive, via the one or more communication terminals, a plurality of signals indicating a plurality of temperatures of the battery pack;', 'determine, based on the plurality of signals, a battery pack type; and', 'control discharge of the battery pack based on the battery pack type., 'a controller including an electronic processor and a memory, the controller configured to2. The power tool of claim 1 , wherein the discharge of the battery pack includes a constant power.3. The power tool of claim 1 , wherein the discharge of the battery pack includes a step function of decreasing power.4. The power tool of claim 1 , wherein the discharge of the battery pack includes a series of decreasing ramp functions.5. The power tool of claim 1 , wherein the battery pack is configured to discharge at a first power for a first period of time claim 1 , the discharge is configured to be decreased from the first power to a second power over a second period of time claim 1 , and the battery pack is configured to discharge at a third power over a third period of time.6. The power tool of claim 1 , wherein the plurality of signals indicating the plurality of ...

Automatically discharging a rechargeable battery

An apparatus is provided for an electrical component to automatically provide a discharge of a rechargeable battery to a predetermined state of charge. The apparatus includes the electrical component determining a rechargeable battery is not connected to a device and discharging the rechargeable battery. The apparatus includes the electronic component determining whether a state of charge exceeds the predetermined state of charge in the rechargeable battery and responsive to determining that the state of charge exceeds the predetermined state of charge, continuing discharging the rechargeable battery.

Audio power source with improved efficiency

An improved method of providing high burst power to audio amplifiers from limited power sources, using parallel power paths to increase system efficiency without need for a power path controller, thus utilizing a simplified circuit operation and maximizing average power available for both the amplifier and supporting circuitry.

Vehicle battery drainage avoidance

A system for drainage avoidance includes an interface and a processor. The interface is configured to receive an indication to power on. The processor is configured to query a wake up voltage threshold, perform a boot sequence, determine whether the boot sequence completed successfully, and in the event the boot sequence completed successfully, provide a reset indication to reset the wake up voltage threshold.

Battery operated hair dryer

A battery operated hair dryer includes a battery management and control module to control how to efficiently dry a user's hair while maintaining the health and charge of the battery.

Battery pack and charger platform for power tool systems including battery pack identification scheme

A battery pack and charger platform including a voltage coupling circuit comprising an input that receives an input voltage and an output that sends an output voltage, a voltage monitoring circuit having an input coupled to the voltage coupling circuit output and an output, and a power source having an input coupled to the voltage monitoring circuit output, the power source input receives an input voltage representative of a charge instruction.

Battery Pack

A method is provided for identifying a battery pack that is operably coupled to a battery charger. The method comprises: measuring voltage at a plurality of designated terminals of a first battery pack while the battery pack is coupled to the battery charger; determining how many of the designated terminals are connected to a reference voltage, such as battery positive; and identifying an attribute of the battery pack based on how many of the designated terminals are connected to the reference voltage.

STORAGE BATTERY CONTROL DEVICE, STORAGE BATTERY SYSTEM AND STORAGE BATTERY CONTROL METHOD

A storage battery control device is configured to control a storage battery system including storage batteries connected in series and a bypass circuit configured to selectively bypass each of the storage batteries. The storage battery control device includes: a processor; and a memory having instructions that, when executed by the processor, cause the storage battery control device to perform operations including: performing a first process of causing the bypass circuit to preferentially bypass, among the storage batteries, a storage battery having a smaller remaining charge amount until completion of charging than those of the other storage batteries, and charging at least one of the storage batteries such that a difference in remaining charge amounts of the storage batteries until completion of charging is reduced; and performing, after the first process, a second process of charging the storage batteries until the charging is completed. 1. A storage battery control device configured to control a storage battery system , the storage battery system comprising a plurality of storage batteries connected in series and a bypass circuit configured to selectively bypass each of the plurality of storage batteries , the storage battery control device comprising:a processor; and performing a first process of causing the bypass circuit to preferentially bypass, among the plurality of storage batteries, a storage battery having a smaller remaining charge amount until completion of charging than those of the other storage batteries, and charging at least one of the plurality of storage batteries such that a difference in remaining charge amounts of the plurality of storage batteries until completion of charging is reduced; and', 'performing, after the first process, a second process of charging the plurality of storage batteries until the charging is completed., 'a memory having instructions that, when executed by the processor, cause the storage battery control device to ...

CHARGING CIRCUIT AND ELECTRONIC DEVICE

A charging circuit includes: an interface; a plurality of charging management components connected to the interface in parallel; and a plurality of battery packs, wherein each of the plurality of battery packs includes a battery or a plurality of batteries connected in series with each other, the plurality of battery packs are connected in series with the plurality of charging management components, respectively, and the plurality of battery packs are connected in parallel; wherein the plurality of charging management components are electrically connected with each other to adjust, through signal interaction between the plurality of charging management components, a charging current that is input to each of the battery packs, such that a time period of a maximum charging current for each battery pack is different from a time period of a maximum charging current for another battery pack. 1. A charging circuit , comprising:an interface;a plurality of charging management components connected to the interface in parallel; anda plurality of battery packs, wherein each of the plurality of battery packs comprises a battery or a plurality of batteries connected in series with each other, the plurality of battery packs are connected in series with the plurality of charging management components, respectively, and the plurality of battery packs are connected in parallel,wherein the plurality of charging management components are electrically connected with each other to adjust, through signal interaction between the plurality of charging management components, a charging current that is input to each of the battery packs, such that a time period of a maximum charging current for each of the plurality of battery packs is different from a time period of a maximum charging current for another one of the plurality of battery packs.2. The charging circuit according to claim 1 , wherein the plurality of charging management components comprise a main management component and an ...

UNIVERSAL BATTERY PACK WITH LOAD BALANCING FOR ELECTRIC VEHICLES

A universal battery is provided with load balancing and a battery module and an energy storage system electrically coupled to the battery module and configured to bidirectionally transfer energy from and to the battery module. The energy storage system is operable in a first operating state in which the energy is transferred from the energy storage system to the battery module to charge the battery module, and a second operating state in which the energy is transferred from the battery module to the energy storage system to discharge the battery module. An electrical connection electrically couples the energy storage system to a power source. A controller is operably coupled to the battery module and the energy storage system. The controller is configured to control a charging state of the battery module. 1. A universal battery with load balancing , comprising:a battery module;an energy storage system electrically coupled to the battery module and configured to bidirectionally transfer energy from and to the battery module, the energy storage system operable in a first operating state in which the energy is transferred from the energy storage system to the battery module to charge the battery module and a second operating state in which the energy is transferred from the battery module to the energy storage system to discharge the battery module;an electrical connection electrically coupling the energy storage system to a power source; anda controller operably coupled to the battery module and the energy storage system and configured to control a charging state of the battery module.2. The universal battery of claim 1 , wherein the battery modules include one or more of: individual cells; individual batteries; modules; and a battery pack.3. The universal battery of claim 1 , wherein the battery module includes a plurality of batteries connected in series.4. The universal battery of claim 1 , wherein the battery modules are coupled to a plurality of batteries for ...

Portable power supply and battery charger

A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The portable power source further includes a charging circuit coupled to the battery receptacle and the power tool battery pack, and an inverter. The charging circuit is configured to receive power from the battery receptacle and to provide power to the power tool battery pack port. The inverter includes a DC input coupled to the battery receptacle, inverter circuitry, and an AC output. The inverter circuitry is configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output.

Control apparatus, control system, and storage battery control method

A HEMS 100 that controls a plurality of storage batteries 10 provided in a power consumer acquires information on type and/or deterioration level of each of the plurality of storage batteries. The HEMS 100 controls charge and discharge of each of the plurality of storage batteries 10 on the basis of the information on the type and/or the deterioration level of each of the plurality of storage batteries 10.

Power source apparatus and communication apparatus

A power source apparatus includes a switching control circuit configured to output a switching signal to switch a power source supplying power to each of a plurality of loads, and a reset control circuit having a plurality of output terminals outputting reset signals that reset the plurality of loads in response to the switching signal.

Battery pack with locally controlled disconnect safeguards

Various examples are directed to integrated circuits and/or controllers for battery packs. An integrated circuit for managing at least a portion of a battery pack comprises a first cell controller. The first cell controller may comprise a first switch system, a first local controller, a first receive terminal to receive a first command from a preceding cell controller, and a first transmit terminal to send the first command to a succeeding cell controller. The first switch system may comprise two pairs of switches to couple a first battery cell to a pair of output terminals in an H-bridge configuration. The first local controller may control the first switch system to selectively connect and disconnect the first battery cell to the pair of output terminal.

Method and device for controlling distributed direct current power supply system

A method and device for controlling a distributed direct current power supply system are provided in embodiments of this disclosure. The method includes: acquiring a direct current busbar current of the distributed direct current power supply system; acquiring, according to the direct current busbar current and a rated capacity of a power conversion unit in the distributed direct current power supply system, a quantity of power conversion units that meets a power requirement of a load; and adjusting, according to the quantity of power conversion units, power conversion units that are turned on in the distributed direct current power supply system. The device is used to implement the method.

SYSTEMS AND METHODS FOR MANAGEMENT AND MONITORING OF ENERGY STORAGE AND DISTRIBUTION

A plurality of battery packs is provided in communication with an energy monitoring and control system. Each battery pack includes a plurality of battery cells that collectively dictate the capabilities of the battery pack. The energy monitoring and control system determines a plurality of pack charging or pack discharging parameters for each battery pack that, when performed, achieve one or more performance metrics at a user level (e.g., performance metrics of each battery pack within a system of multiple battery packs). The battery pack further determines a plurality of cell charging or cell discharging parameters for each battery cell based upon the determined plurality of pack charging or pack discharging parameters for each battery cell that, when performed, achieve one or more performance metrics at a battery level (e.g., performance metrics of different cells of each battery pack). 1. A battery monitoring and management system , comprising:a data storage device operative to maintain a plurality of battery pack parameters for at least one battery pack; receive at least one battery pack parameter for each battery pack;', 'receive a request to charge or discharge each of the battery packs;', 'determine a plurality of pack operating parameters for each battery pack based upon its received battery pack parameters, wherein the plurality of pack operating parameters achieve a performance metric of the system; and', 'transmit respective pack operating parameters to a battery charging device and the respective battery packs for charging each battery pack according to its respective pack operating parameters., 'a computing device in communication with the data storage device and operative to2. The battery monitoring and management system of claim 1 , wherein the battery pack parameters comprise at least one of: a state of health of a battery pack claim 1 , a state of charge of a battery pack claim 1 , a voltage profile claim 1 , a current profile claim 1 , a ...

Battery charging system and mobile and accessory devices

Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.

Method and Apparatus for Storing and Depleting Energy

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.

SPLIT BATTERY FOR AUTONOMOUS DRIVING

Methods and systems are provided for managing multi-battery systems, such as those utilized in an electric vehicle. Multi-battery systems comprise batteries providing power in parallel, thereby making each battery available to the vehicle and avoiding the weight of transporting a backup battery. The methods and systems provided allow for a fault in one battery, in a parallel configuration with at least one other battery, to be detected and managed. 120-. (canceled)21. A system , comprising:a main controller that generates and sends, upon determining that first sensor data from a first battery sensor monitoring an attribute of a first battery indicates a fault with the first battery, a first control signal to a first battery switch to isolate the first battery from a load while maintaining uninterrupted power to the load with a second battery during a period of time in which the first battery switch is switched to isolate the first battery from the load, the second battery being connected in parallel with the first battery.22. The system of claim 21 , further comprising:the first battery;the second battery;the first battery sensor;the first battery switch;a second battery sensor that monitors an attribute of the second battery to output second sensor data; anda second battery switch,wherein the main controller generates and sends, upon determining the second sensor data indicates a fault with the second battery, a second control signal to the second battery switch to isolate the second battery from the load while maintaining uninterrupted power to the load with the first battery during a period of time in which the second battery switch is switched to isolate the second battery from the load.23. The system of claim 21 , wherein the first battery switch is coupled to positive and negative terminals of the first battery.24. The system of claim 21 , wherein the first battery switch comprises a relay.25. The system of claim 21 , further comprising a first control unit ...

Power Converter Module

A power conversion system comprises a plurality of power converter modules, each including a bi-directional DC to DC converter and a current controller, wherein the bi-directional DC to DC converter is connected to the current controller, for charging or discharging a DC power source according to a distribution command received from the current controller, and a voltage controller, connecting to the plurality of power converter modules, for generating a current command to the current controller, wherein the voltage controller generates a current command to the current controller of the power converter module according to the detected capacity and voltage of the DC power source, whereby the current controller generates the distribution command to the bi-directional DC to DC converter with the received current command.

Charging and discharging method for lithium secondary battery

A charging and discharging method for a lithium secondary battery is provided, wherein, while charging or discharging the lithium secondary battery using a constant current, the charge current or allowable discharge current is modified by measuring the internal resistance of the lithium secondary battery. In the charging and discharging method for a lithium secondary battery according to the present disclosure, the charging time and charge capacity, or the discharge current amount and discharge capacity, may be appropriately harmonized, and thus the method may be usefully used as a charging method and a discharging method for a lithium secondary battery.

Energy storage apparatus and method for determining misuse of energy storage device

An energy storage apparatus includes: an energy storage device which is connected to a vehicle load and a vehicle power generator; a current interrupt device that causes the energy storage device and the vehicle load as well as the energy storage device and the vehicle power generator to be in a conduction state or in an interruption state; a voltage detection unit that detects voltage of the energy storage device; and a control unit. The control unit executes: a switching instruction process in which, when determining that the electric storage device will reach an overcharge state on the basis of the voltage, the control unit issues an interruption switching instruction to the current interrupt device; and an interruption maintaining process in which, when the number of times of the switching instruction process exceeds a predetermined value, the control unit issues an instruction to maintain the interruption state.

METHOD AND DEVICE FOR CONTROLLING RECHARGING AND DISCHARGING OF BATTERIES OF A SET OF BATTERIES

Methods and control devices are described for controlling recharging and discharging a set of batteries, each of the batteries connected to an electrical circuit connecting a power supply source to a consuming device to form a recharging circuit connecting the battery to the power supply source, and a discharging circuit connecting the battery to the consuming device and performing a diode function to avoid a circulation current between the batteries. The method can include at least one of recharging of a first battery of the set, simultaneously with a resting of at least a second battery of the set, the recharging of the first battery being followed by resting of the first battery, or discharging of a first battery of the set, simultaneously with a resting of at least a second battery of the set, the discharging of the first battery being followed by the resting of the first battery. 1. A method for controlling recharging and discharging of batteries of a set of batteries , each of the batteries being connected to an electrical circuit connecting a power supply source to a consuming device to form a controllable electrical recharging circuit connecting the battery to the power supply source , and a controllable electrical discharging circuit connecting the battery to the consuming device and performing a diode function to avoid a circulation current between the batteries , the method comprising:recharging of a first battery of the set, simultaneously with a resting of at least a second battery of the set, the recharging of the first battery being followed by resting of the first battery; ordischarging of a first battery of the set, simultaneously with a resting of at least a second battery of the set, the discharging of the first battery being followed by the resting of the first battery, wherein, in the method:the recharging of any of the batteries comprises controlling the closing of the electrical recharging circuit corresponding to the battery for recharging ...

Management device and power storage system

A first temperature detector detects a temperature in a high-temperature area and a temperature in a low-temperature area of a power storage unit based on an output value of a first temperature detection element provided at a first position in the high-temperature area and an output value of a temperature detection element provided at a predetermined position in the low-temperature area. A main controller controls charge and discharge based on the temperatures by the first temperature detector. A second temperature detector detects a temperature in the high-temperature area based on an output value of a second temperature detection element provided at a second position in the high-temperature area. A sub-controller controls charge and discharge based on the temperature detected by the second temperature detector during occurrence of an abnormality in the main controller.

Battery Assembly Combining Multiple Different Batteries

Techniques for battery assembly combining multiple different batteries are described herein. Generally, an example battery assembly includes multiple individual batteries of differing sizes and capacities. In at least some embodiments, the individual batteries are connected to a battery interface that presents the multiple batteries as a single integrated power source.

AUDIO POWER SOURCE WITH IMPROVED EFFICIENCY

An improved method of providing high burst power to audio amplifiers from limited power sources, using parallel power paths to increase system efficiency without need for a power path controller, thus utilizing a simplified circuit operation and maximizing average power available for both the amplifier and supporting circuitry. 1. Power delivery circuitry to deliver power to an audio device , the power delivery circuitry comprising:a limited power input connected to the audio device;a power transformer, a power storage device, and a voltage regulator connected between the limited power input and the audio device;a power limiter connected between the limited power input and the transformer to monitor input power to the transformer based on an input of a pulse width modulation (PWM) controller connected to the power limiter; andan error amplifier connected to the power transformer and between the audio device and the PWM controller, wherein the error amplifier is configured to output, based on a detected current from the power transformer, a signal to the PWM controller to cause the power storage device to provide power to the audio device.2. The power delivery circuitry of claim 1 , where the limited power input is selected from a group consisting of a power over Ethernet (PoE) claim 1 , USB claim 1 , an AC inverter claim 1 , a AC-DC converter claim 1 , and a battery with an impedance above a certain value.3. The power delivery circuitry of claim 1 , wherein the error amplifier is configured to output claim 1 , based on the detected current from the power transformer claim 1 , a signal to the PWM controller to cause the power transformer to reduce output current.4. The power delivery circuitry of claim 1 , wherein the PWM controller is connected between the power limiter and the audio source via an electrical path.5. The power delivery circuitry of claim 1 , of claim 1 , wherein the electrical path passes through the storage device and the voltage regulator.6. A ...

Voltage correction in battery voltage monitors

An apparatus comprises a plurality of analog front ends (AFEs) adapted to be coupled to a plurality of battery cells and configured to decrease voltages received from the plurality of battery cells to produce a plurality of AFE voltages. The apparatus further comprises at least one analog-to-digital converter (ADC) coupled to the plurality of AFEs and configured to convert the plurality of AFE voltages to a plurality of corresponding digital signals. The apparatus also comprises a plurality of digital channel registers coupled to the at least one ADC and configured to store the plurality of digital signals, and a processor coupled to the at least one ADC and configured to adjust, in a round-robin calculation scheme, the plurality of digital signals based on a plurality of common mode voltage values and a plurality of common mode to differential gain values associated with the plurality of AFEs.

Battery-based neural network weights

A controllable resistive element and method for updating the resistance of the same includes a state device configured to provide a voltage-controlled resistance responsive to a voltage input. A battery is configured to apply a voltage to the voltage input of the state device based on a charge stored in the battery. A write device is configured to charge the battery responsive to a write signal. An erase device is configured to discharge the battery responsive to an erase signal.

Method for adapting the voltage supplied by a high-performance electrochemical storage device, and a system for operating a load

A method and system for adapting the voltage supplied by a high performance electrochemical storage device provide for: supplying a voltage for a load using a high-performance electrochemical storage device; monitoring the temperature of the high-performance electrochemical storage device; an adapting the voltage supplied by the high-performance electrochemical storage device as a function of a change in the monitored temperature thereof in a way that counters a change in the value of the power density of the high-performance electrochemical storage device attributable to the temperature change.

Reconfigurable multi-core battery packs

Methods and apparatuses are described for use in self-reconfigurable multi-cell batteries. The methods include receiving, by a controller, a communication from an external unit, and reconfiguring a multi-cell battery based on the communication. The external unit includes one of a load and a battery charger. The multi-cell battery includes a plurality of switches and a plurality of battery cores operatively coupled to each other, wherein each battery core includes at least one battery cell. The plurality of switches may be controlled to reconfigure the multi-cell battery based on the communication received from the external unit. The multi-cell battery may be reconfigured by connecting the plurality of battery cores in a series configuration or a parallel configuration.

Charging system, charging method, and device

Provided are a charging system, charging method, and device, said charging system comprising a battery; a first rectifier, configured to output a first voltage with a first pulsating waveform; a switch unit, configured to modulate the first voltage; a transformer, configured to output a second voltage with a second pulsating waveform; a second rectifier, configured to output a third voltage with a third pulsating waveform, and the third voltage is configured to be applied to the battery charge the battery; a first current sampling circuit, configured to sample current to obtain a current sampling value; and a control unit configured to output the control signal to the switch unit, adjust the amplification factor of the operational amplifier, and adjust a duty ratio of the control signal according to the current sampling value, such that the third voltage meets a charging requirement of the battery.

Apparatus for Improving the Effective Performance of a Power Source and Associated Methods

An apparatus includes a power management circuit to receive an input voltage and to generate and provide a first output voltage to an energy storage device. The power management circuit further generates and provides a second output voltage to a load. The first output voltage is greater than the input voltage, and the second output voltage is smaller than the first output voltage. The apparatus further includes a monitor circuit to monitor the first output voltage and to provide a signal to the load to indicate when the load may perform an operation. 1. An apparatus , comprising:a power management circuit to receive an input voltage and to generate and provide a first output voltage to an energy storage device, the power management circuit to further generate and provide a second output voltage to a load, wherein the first output voltage is greater than the input voltage, and wherein the second output voltage is smaller than the first output voltage; anda monitor circuit to monitor the first output voltage and to provide a signal to the load to indicate when the load may perform an operation.2. The apparatus according to claim 1 , wherein the energy storage device comprises a capacitor.3. The apparatus according to claim 2 , wherein the monitor circuit comprises a comparator to compare the first output voltage with a reference voltage.4. The apparatus according to claim 1 , wherein the load comprises transmit (TX) circuitry.5. The apparatus according to claim 4 , wherein the monitor circuit provides the signal to the TX circuitry to indicate when the TX circuitry may perform a transmit operation.6. The apparatus according to claim 5 , wherein the TX circuitry asserts a request (REQ) signal to the monitor circuit when the TX circuitry seeks to perform a transmit operation.7. The apparatus according to claim 6 , wherein the monitor circuit is powered down until the REQ signal is asserted.8. The apparatus according to claim 1 , wherein the power management circuit ...

Adapter and Method for Charging Control

An adapter for charging control includes a power converting unit, a voltage feedback unit, a current feedback unit, and a power adjusting unit. The power adjusting unit includes an input end coupled to an output end of the voltage feedback unit to an output end of the current feedback unit, and an output end coupled to the power converting unit. The power adjusting unit is used to receive the voltage feedback signal and the current feedback signal, and stabilize the output voltage and output current of the second adapter when the voltage feedback signal indicates that the output voltage of the second adapter has reached the target voltage, or the current feedback signal indicates the output current of the second adapter has reached the target current.

Battery operated hair dryer

A battery operated hair dryer includes a battery management and control module to control how to efficiently dry a user's hair while maintaining the health and charge of the battery.

Safety light apparatus and method

The present invention is directed to a safety light, such as a barricade lamp. The safety light comprises a light member and a power source comprising a non-rechargeable battery source and a rechargeable battery source. A solar cell array is also included and is adapted to recharge the rechargeable battery source. A battery monitor and a power control processor are configured to control the supply of power to the light member by causing the rechargeable battery source to power the light member until the charge level of the rechargeable battery source falls below a certain level, at which time the power control processor causes power from the non-rechargeable battery source to power the light member.

Controlling electrical access to a lithium battery on a utility vehicle

Techniques involve managing lithium battery access on a utility vehicle. In accordance with such techniques, a wakeup circuit includes a set of inputs, a set of outputs, and control logic coupled with the set of inputs and the set of outputs. The control logic is constructed and arranged to, in response to detecting a wakeup event from circuitry of the utility vehicle via the set of inputs, close a switching apparatus of the utility vehicle via the set of outputs to connect a lithium battery of the utility vehicle to a set of loads of the utility vehicle. The control logic is further constructed and arranged to, in response to detecting a sleep event, open the switching apparatus via the set of outputs to disconnect the lithium battery of the utility vehicle from the set of loads of the utility vehicle.

In-vehicle power supply apparatus and control method for the same

An in-vehicle power supply apparatus supplies power to an external load while bypassing the occurrence of an overcurrent, even when there is a failure on a main battery side or a failure on a sub-battery side includes a main battery and a sub-battery and two relays. One of the relays is connected to the main battery via the other relay, and transitions from a closed to an open state when an overcurrent flows thereto after the other relay transitions from the closed state to the open state. The other relay transitions from the closed state to the open state when an overcurrent flows thereto. The sub-battery is connected to the main battery via both of the relays. The main battery is connected to a backup load, bypassing both of the relays. A sub-power supply path connects the sub-battery and the backup load via the one relay.

Adaptor and power station

A power station and an adaptor are provided. The power station includes a battery pack and an adaptor. The adaptor includes a housing, a battery pack interface, a protecting frame for protecting the housing and disposed on the outside of the housing, at least one AC output port and at least one DC output port. The protecting frame includes a top seat at the top portion of the housing, a bottom seat at the bottom seat of the housing and a plurality of connecting bars respectively connected the top seat and the bottom seat. The output voltage of the DC output port is lower than the rated voltage of the battery pack.

Extended control in control systems and methods for economical optimization of an electrical system

The present disclosure is directed to systems and methods for economically optimal control of an electrical system. Some embodiments employ generalized multivariable constrained continuous optimization techniques to determine an optimal control sequence over a future time domain in the presence of any number of costs, savings opportunities (value streams), and constraints. Some embodiments also include control methods that enable infrequent recalculation of the optimal setpoints. Some embodiments may include a battery degradation model that, working in conjunction with the economic optimizer, enables the most economical use of any type of battery. Some embodiments include techniques for load and generation learning and prediction. Some embodiments include consideration of external data, such as weather.

BATTERY SYSTEM

A main object of the present disclosure is to provide a battery system capable of avoiding an over discharge with a simple sensor element. The present disclosure achieves the object by providing a battery system comprising: a battery pack including a plurality of battery cells connected in series, a monitoring unit configured to monitor a condition of the battery pack, and a control unit configured to control at least a discharge of the battery pack, and the monitoring unit includes: a voltage sensor configured to measure a total voltage of the battery pack, a current sensor configured to measure a total current of the battery pack, and a temperature sensor configured to measure a temperature of the battery pack, the control unit includes: a calculating section configured to calculate capacity condition A of the battery pack at a first discharge cutoff voltage based on the total voltage and the total current, an estimating section configured to estimate capacity condition B of the battery pack at the first discharge cutoff voltage based on the total current and the temperature, a determining section configured to determine an occurrence of an over discharge based on the capacity condition A and the capacity condition B, and a voltage changing section configured to change the first discharge cutoff voltage to a second discharge cutoff voltage that is higher than the first discharge cutoff voltage, when the occurrence of the over discharge is determined. 1. A battery system comprising:a battery pack including a plurality of battery cells connected in series,a monitoring unit configured to monitor a condition of the battery pack, anda control unit configured to control at least a discharge of the battery pack, andthe monitoring unit includes:a voltage sensor configured to measure a total voltage of the battery pack,a current sensor configured to measure a total current of the battery pack, anda temperature sensor configured to measure a temperature of the battery pack, ...

BATTERY MANAGEMENT SYSTEM

The present disclosure relates to a reconfigurable battery system and method of operating the same. The reconfigurable battery system comprising a plurality of switchable battery modules, a battery supervisory circuit, and a battery pack controller, where the plurality of switchable battery modules electrically arranged in series to define a battery string defining an output voltage. The battery pack controller operable to connect the battery string to the external bus via a pre-charge switch to perform a pre-charge cycle. 120-. (canceled)21. An apparatus for power management of an aircraft , the apparatus comprising:at least one memory;instructions in the apparatus; and in response to a disconnection of a battery string from a load, determine a quantity of current associated with the battery string based on a sensor measurement, the battery string including a plurality of batteries;', 'in response to a determination that the quantity of the current satisfies a threshold, identify ones of the plurality of the batteries to be coupled to the load based on respective charge states of the ones of the plurality of the batteries;', 'control a first switch to pre-charge the ones of the plurality of the batteries; and', 'in response to the pre-charging of the ones of the plurality of the batteries, control a second switch to couple the ones of the plurality of the batteries to at least one of the load or a solar panel, the solar panel to charge the ones of the plurality of the batteries., 'processor circuitry to execute the instructions to22. The apparatus of claim 21 , wherein the threshold is a first threshold claim 21 , the ones of the plurality of the batteries including a first battery claim 21 , a second battery claim 21 , and a third battery claim 21 , the determination is a first determination claim 21 , and the processor circuitry is to execute the instructions to:determine a first charge state of the first battery;determine a second charge state of the second ...

Control systems and methods for economical optimization of an electrical system

The present disclosure is directed to systems and methods for economically optimal control of an electrical system. Some embodiments employ generalized multivariable constrained continuous optimization techniques to determine an optimal control sequence over a future time domain in the presence of any number of costs, savings opportunities (value streams), and constraints. Some embodiments also include control methods that enable infrequent recalculation of the optimal setpoints. Some embodiments may include a battery degradation model that, working in conjunction with the economic optimizer, enables the most economical use of any type of battery. Some embodiments include techniques for load and generation learning and prediction. Some embodiments include consideration of external data, such as weather.

Bypass Circuit and Method to Bypass Power Modules in Power System

A method and apparatus to bypass, using bypass circuits, non-operating power modules in a power system. Multiple power sources are coupled to inputs of respective power modules. Multiple bypass circuits have respective terminals operatively coupled to the respective outputs of the power modules. The outputs of the power modules are coupled in a series connection and the series connection is coupled across a load. Each bypass circuit includes a switch operatively coupled across a first input of a circuit and an output of a power module. A feedback circuit includes a second input coupled to an output of the circuit. A coupling circuit includes a third input coupled to an output of the feedback circuit. The coupling circuit includes an output operatively coupled across the switch. The switch is biased to provide the bypass responsive to a voltage of the output of the circuit and the voltage of the power module output.

Battery pack

An electrical combination including a power tool and a battery pack. The power tool includes power tool terminals. The battery pack is configured to be interfaced with the power tool. The battery pack includes a battery pack housing, at least three terminals, and a plurality of battery cells. The battery pack terminals include a positive terminal, a negative terminal, and a sense terminal. The at least three terminals are configured to be interfaced with the power tool terminals. The plurality of battery cells are arranged within and supported by the battery pack housing. Each of the battery cells has a lithium-based chemistry and a respective state of charge, and power is transferable between the battery cells and the power tool. A circuit is configured to monitor the battery cells, detect a charge imbalance among the battery cells, and prevent the battery pack from operating when the charge imbalance is detected.

Battery Pack

A battery pack is provided including a body having a first wall forming a first face from which a connection port extends for connection to a power tool or a charger, and a second wall forming a substantially planar second face. A finger notch recessed in the second face extends along an elongate axis perpendicular to a longitudinal axis of the body. 1. A battery pack comprising:a body having a first wall forming a first face from which a connection port extends for connection to a power tool or a charger, and a second wall forming a substantially planar second face; anda finger notch recessed in the second face, the finger notch extending along an elongate axis perpendicular to a longitudinal axis of the body.2. The battery pack of claim 1 , wherein the elongate finger notch includes a lead-in wall and an engagement wall formed within the second wall of the body at an angle with respect to one another claim 1 , each extending along the elongate axis.3. The battery pack of claim 2 , wherein the elongate finger notch further includes a notch cavity bottom wall recessed below the second face claim 2 , wherein the lead-in wall and the engagement wall are joined together at the notch cavity bottom wall.4. The battery pack of claim 2 , wherein a slope of the engagement wall relative to the second face is greater than a slope of the lead-in wall relative to the second face.5. The battery pack of claim 2 , wherein a first pitch angle formed between the engagement wall and the second face is approximately 60 degrees and a second pitch angle formed between the lead-in wall and the second face is approximately 30 degrees.6. The battery pack of claim 2 , wherein the angle between the lead-in wall and the engagement wall is approximately 90 degrees.7. The battery pack of claim 2 , wherein the lead-in wall defines a convex-shaped curve directed outwardly from second face.8. The battery pack of claim 1 , further comprising a plurality of battery cells disposed within the body ...

Charge-discharge control system for vehicle

A charge-discharge control system includes an electronic control unit. The electronic control unit is configured to: calculate an excess or shortage of a state of charge of the battery to a target state of charge as a state-of-charge difference; increase an output voltage of an electric power supply device when the shortage of the state of charge is larger than a first prescribed value; decrease the output voltage of the electric power supply device when the excess of the state of charge is larger than a second prescribed value; calculate an amount of change in the output voltage of the electric power supply device per unit time such that the amount of change in the output voltage of the electric power supply device per unit time is smaller when the calculated full charge capacity is low than when the calculated full charge capacity is high.

Docking component

A docking component can include a cross-member that includes a first end, an opposing second end, circuitry and at least one port operatively coupled to the circuitry; a first end wall at the first end of the cross-member; a second end wall at the second end of the cross-member, where the second end wall includes at least one connector that is operatively coupled to the circuitry; and a translation mechanism that translates the at least one connector from an unlocked state to a locked state that engages the at least one connector and a corresponding at least one connector of an information handling device.

Power converter and an electric power system

A power converter comprises an inductor coil whose first pole is connected to an input terminal of the power converter, a controllable switch between the ground and a second pole of the inductor coil, a first unidirectionally conductive component providing a path for electric current from the inductor coil towards an output terminal of the power converter when the controllable switch is non-conductive, and an over-current protector at the output terminal. The power converter comprises a second unidirectionally conductive component for conducting electric current from the input terminal to the over-current protector in a fault situation where voltage at the output terminal is smaller than voltage at the input terminal. Thus, the second unidirectionally conductive component constitutes a low-inductance bypass route for fault current and enables the over-current protector to react fast to a fault situation.

Load Allocation for Multi-Battery Devices

This document describes techniques and apparatuses of load allocation for multi-battery devices. In some embodiments, these techniques and apparatuses determine an amount of load power that a multi-battery device consumes to operate. Respective efficiencies at which the device's multiple batteries are capable of providing power are also determined. A respective portion of load power is then drawn from each of the batteries based on their respective efficiencies.

Energy storage apparatus

An energy storage apparatus. The energy storage apparatus includes an energy storage, wherein the energy storage is connected to at least one energy source, wherein the energy storage is configured to store energy from the at least one energy source; a power supplier, wherein the power supplier is connected to an external load, wherein the power supplier is configured to provide energy from the energy storage to the external load; and a distribution regulator, wherein the distribution regulator is configured, in real-time, to operate the energy storage apparatus in a reduced power mode.

Portable power supply

A portable power source includes a housing and a battery receptacle supported by the housing. The battery receptacle is configured to receive a battery. The portable power source also includes a first power tool battery pack port that is configured to receive a first power tool battery pack. The portable power source further includes a charging circuit coupled to the battery receptacle and the power tool battery pack, and an inverter. The charging circuit is configured to receive power from the battery receptacle and to provide power to the power tool battery pack port. The inverter includes a DC input coupled to the battery receptacle, inverter circuitry, and an AC output. The inverter circuitry is configured to receive power from the battery receptacle via the DC input, invert DC power received from the battery receptacle to AC power, and provide the AC power to the AC output.

BATTERY CONTROL UNIT AND BATTERY SYSTEM

A plurality of switching units is provided for each of a plurality of batteries. The switching units switch between a connected state where the corresponding battery is connected in series with another battery and a non-connected state where series connection between the corresponding battery and the other battery is disconnected. A control unit controls the switching unit corresponding to the battery to switch to the non-connected state when it is determined that the corresponding battery reaches a charge end voltage during charging or a discharge end voltage during discharging. The control unit changes the charge end voltage such that the charge end voltage of the battery deteriorated is lower than the charge end voltage of the battery not deteriorated, or changes the discharge end voltage such that the discharge end voltage of the battery deteriorated is higher than the discharge end voltage of the battery not deteriorated. 1. A battery control unit comprising:a switching unit provided for each of a plurality of batteries arranged in series, and configured to switch between a connected state where the corresponding battery is connected in series with another battery and a non-connected state where series connection between the corresponding battery and the other battery is disconnected; anda control unit configured to control the switching unit corresponding to the battery to switch to the non-connected state when it is determined that the corresponding battery reaches a charge end voltage during charging or a discharge end voltage during discharging,wherein the control unit changes the charge end voltage such that the charge end voltage of the battery, which is deteriorated, is lower than the charge end voltage of the battery which is not deteriorated, or changes the discharge end voltage such that the discharge end voltage of the battery, which is deteriorated, is higher than the discharge end voltage of the battery which is not deteriorated.2. The battery ...

BATTERY PACK

A method of controlling a battery including a first control circuit and a plurality of modules arranged in series between first and second terminals, each module including electric cells and switches and a second switch control circuit, the battery further including at least one first data transmission bus coupling the first control circuit to each second control circuit, the method including the transmission, by the first control circuit to the second control circuits, of first data representative of an electric cell configuration to be obtained to follow a set point for the delivery of a voltage and/or of a current between the first and second terminals, the second control circuits connecting or disconnecting the electric cells based on said first data and on a classification of the priorities of the electric cells. 1. A method of controlling an electric system comprising a first control circuit and a plurality of modules arranged in series between first and second terminals , each module comprising third and fourth terminals , at least one of the third and fourth terminals of each module being coupled to one of the third and fourth terminals of another module , each module comprising electric cells and switches coupling the cells to one another and to the third and fourth terminals of the module and a second switch control circuit , the electric system further comprising at least one first data transmission bus coupling the first control circuit to each second control circuit , the method comprising the transmission , by the first control circuit to the second control circuits , of first data representative of an electric cell configuration to be obtained to follow a set point for the delivery of a voltage and/or of a current between the first and second terminals , the second control circuits connecting or disconnecting the electric cells based on said first data and on a classification of the priorities of the electric cells , wherein the method further ...

Ac inverter pre-charge current limiting system

In one embodiment, a vehicle pre-charge limiting system is disclosed. The system includes an inverter, a comparator, a latch circuit, and a microprocessor. The inverter inverts a first power signal into a second power signal. The comparator receives a first measured current of the second power signal and compares the first measured current to a predetermined current value. The comparator transmits a first control signal indicative of the first measured current exceeding the predetermined current value. The latch circuit transmits a second control signal to the inverter to discontinue inverting the first power signal and transmits a first latch signal. The microprocessor receives a first sense signal indicative of current of the first power signal and transmits a third control signal to the latch circuit. The microprocessor inverts the first power signal into the second power signal for a predetermined number of output periods.

Adaptor and power station

A power station and an adaptor are provided. The power station includes a battery pack and an adaptor. The adaptor includes a housing, a battery pack interface, a protecting frame for protecting the housing and disposed on the outside of the housing, at least one AC output port and at least one DC output port. The protecting frame includes a top seat at the top portion of the housing, a bottom seat at the bottom seat of the housing and a plurality of connecting bars respectively connected the top seat and the bottom seat. The output voltage of the DC output port is lower than the rated voltage of the battery pack.

Battery management terminal and battery management system

A battery management terminal is for a secondary battery mounted on a device. The battery management terminal includes a second electronic control unit and an inform unit. The second electronic control unit is configured to, at the time when the secondary battery is replaced, acquire a historical information of an evaluation value of the secondary battery before replacement from the first electronic control unit. The second electronic control unit is configured to determine required characteristics required of a replacement secondary battery on the basis of the historical information of the evaluation value. The inform unit is configured to inform the required characteristics determined by the second electronic control unit.

Dynamic rigidity mechanism

Embodiments are directed to a support apparatus. The support apparatus might comprise a body configured to support an entity. The body might comprise a material that has a physical property. The support apparatus might further comprise a coupler system configured to couple electric current from a power source to the material. The material is arranged such that coupling an electric current to the material changes the physical property of the material. Embodiments are further directed to a method. The method might comprise forming one or more cavities in a support apparatus. The method might further comprise providing one or more couplers in electrical contact with each of the one or more channels. The method further comprises filling each of the one or more cavities with a fluid that has electrically changeable rigidity. Finally, the method might comprise connecting a power source to each of the one or more couplers.

BUCK-BOOST BATTERY CHARGER FOR DUAL BATTERY APPLICATION

One or more embodiments are directed to a battery charger that can support multiple battery applications with a single USB type-C port. The architecture can be easily extended to support more applications such as those including two or more USB Type-C ports by adding additional voltage regulators. Additionally, the architecture can easily be extended to support additional batteries by adding corresponding battery chargers. Some embodiments enable supplying two or more system voltages and charging two or more batteries simultaneously using a single adapter and/or port. Other embodiments enable supplying voltage to On the Go devices from two or more batteries simultaneously. 1. A device comprising:a voltage regulator coupled to a port configured to receive input power from an external source, wherein the voltage regulator is configured to convert an input voltage from the input power to a regulated voltage;a first battery charger configured to provide a first system voltage based on the regulated voltage, the first battery charger further configured to charge a first battery using the regulated voltage; anda second battery charger configured to provide a second system voltage based on the regulated voltage, the second battery charger further configured to charge a second battery that is separate from the first battery using the regulated voltage.2. The device of claim 1 , wherein the voltage regulator comprises a buck-boost controller.3. The device of claim 1 , wherein one or both of the first battery charger and second battery charger comprises a buck controller.4. The device of claim 1 , wherein the port comprises a Universal Serial Bus (USB) type-C port.5. The device of claim 1 , wherein the device further comprises:the first battery configured to provide a first battery voltage to the first battery charger;the second battery configured to provide a second battery voltage to the second battery charger;the voltage regulator configured to receive a battery voltage, ...