АККУМУЛЯТОРНАЯ СИСТЕМА ВЫСОКОГО НАПРЯЖЕНИЯ ДЛЯ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к системам контроля и управления работой аккумуляторных батарей. Технический результат - повышение надежности и упрощение технического обслуживания. В одном варианте осуществления система управления аккумуляторной батареей содержит первую схему, содержащую первое множество элементов цепи, размещенных последовательно, причем первое множество элементов цепи содержит: источник напряжения постоянного тока (DC) и множество первых переключающих устройств, причем каждое из первых переключающих устройств соединяется с, и в рабочем состоянии переключается с помощью, первым устройством обнаружения, связанным с аккумуляторным модулем, для того чтобы вызвать изменение напряжения при обнаружении события, соответствующего режиму аккумуляторного модуля. 3 н. и 16 з.п. ф-лы, 9 ил.

УСТРОЙСТВО ДОСТАВКИ АЭРОЗОЛЯ, ВКЛЮЧАЮЩЕЕ В СЕБЯ КОЖУХ И СОЕДИНИТЕЛЬ

Настоящее раскрытие относится к устройствам доставки аэрозоля. Устройства доставки аэрозоля могут включать в себя управляющий корпус и картридж, включающий в себя атомайзер и резервуар, выполненный с возможностью содержания композиции предшественника аэрозоля. Управляющий корпус может включать в себя кожух, образующий полость для электрического источника питания, которая продолжается вдоль первой продольной оси и выполнена с возможностью приема электрического источника питания. Управляющий корпус может дополнительно включать в себя соединитель, выполненный с возможностью введения во взаимодействие с картриджем, содержащим композицию предшественника аэрозоля, так что картридж продолжается вдоль второй продольной оси. Первая продольная ось и вторая продольная ось могут быть несоосными и ориентированными по существу параллельно друг другу. Предложен также соответствующий способ сборки. 2 н. и 16 з.п. ф-лы, 24 ил.

ИСТОЧНИК ПИТАНИЯ, СХЕМА ЗАРЯДКИ ИСТОЧНИКА ПИТАНИЯ, СПОСОБ ЗАРЯДКИ ИСТОЧНИКА ПИТАНИЯ И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к источникам питания и схеме его зарядки. Сущность: когда источник питания находится в состоянии зарядки, измеряют микросхемой управления источником питания напряжение на положительном электроде аккумуляторного элемента внутри источника питания через контрольный вывод источника питания, электрически соединенный с положительным электродом аккумуляторного элемента. При этом положительный электрод аккумуляторного элемента соединен с положительным выводом источника питания через защитный элемент. Сравнивают напряжение, измеренное на положительном электроде, с заранее заданным напряжением. Если определено, что напряжение на положительном электроде аккумуляторного элемента не ниже, чем заранее заданное напряжение, обеспечивают изменение режима зарядки источника питания с режима зарядки неизменяющимся постоянным током на режим зарядки неизменяющимся постоянным напряжением. Микросхема управления источником питания переключает режим зарядки источника питания только тогда, когда ...

УСТРОЙСТВО И СПОСОБ УПРАВЛЕНИЯ ЗАРЯДОМ МОДУЛЯ АККУМУЛЯТОРНОЙ БАТАРЕИ

Использование: в области электротехники. Технический результат - повышение надежности. Зарядное устройство (2) батареи, оборудованное преобразователем переменного тока в постоянный ток, заряжает модуль (1) аккумуляторной батареи, составленный из множества единичных элементов (10). Каждый из единичных элементов (10) параллельно соединен со схемой (33) стабилизированного напряжения, составленный из стабилитрона (332) и резистора (331), включенных последовательно, и единичный элемент (10), достигший состояния полного заряда, детектируют на основании разности между потенциалами на двух сторонах резистора (331). По мере того, как контроллер (3) батареи понижает мощность зарядки, используемую зарядным устройством (2) батареи, в ответ на достигнутое состояние полного заряда, обеспечивается то, что модуль (1) аккумуляторной батареи заряжают полностью, предотвращая перезаряд отдельных единичных элементов (10). 2 н. и 7 з.п. ф-лы, 9 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ УПРАВЛЕНИЯ ЗАРЯДОМ ГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к гибридным транспортным средствам. В способе управления зарядом гибридного транспортного средства, транспортное средство имеет режимы эксплуатации, включающие нормальный режим, предназначенный для зарядки аккумуляторной батареи в соответствии с рабочим состоянием, и режим заряда, предназначенный для выработки электроэнергии генератором в соответствии с режимом работы. Когда ток зарядки в режиме заряда превышает заданное предписанное значение, устанавливают верхний предел электрической мощности зарядки на основе электрической мощности, генерируемой генератором в режиме заряда, на более низкое значение, чем верхний предел электрической мощности зарядки на основе электрической мощности, генерируемой генератором в нормальном режиме. Не допускается перезаряд батареи. 2 н. и 4 з.п. ф-лы, 6 ил.

УСТРОЙСТВО ДОСТАВКИ АЭРОЗОЛЯ, ВКЛЮЧАЮЩЕЕ В СЕБЯ КОЖУХ И СОЕДИНИТЕЛЬ

Изобретение относится к устройствам доставки аэрозоля. Устройство доставки аэрозоля выполнено с возможностью нагревания композиции предшественника аэрозоля. Композиция включает в себя компоненты, полученные из табака, либо табак. Устройство для доставки аэрозоля содержит кожух, образующий полость для электрического источника питания, при этом полость для электрического источника питания задает первую продольную ось, соединитель, выполненный с возможностью взаимодействия с картриджем, содержащим композицию предшественника аэрозоля и проходящим вдоль второй продольной оси. Первая продольная ось и вторая продольная ось не являются соосными и ориентированы по существу параллельно друг другу. Также устройство для доставки аэрозоля содержит источник освещения, кнопочный узел, и оболочку источника освещения, выполненную с возможностью направления через себя освещения, создаваемого источником освещения. 8 з.п. ф-лы, 24 ил.

СХЕМА ЗАРЯДКИ ДЛЯ ВТОРИЧНОЙ АККУМУЛЯТОРНОЙ БАТАРЕИ

... 1. Схема защиты от перезарядки вторичной аккумуляторной батареи, которая защищает вторичную аккумуляторную батарею, состоящую из множества последовательно соединенных элементов аккумуляторной батареи, от перезарядки и имеет средство обнаружения избыточного напряжения, обнаруживающее для каждого элемента аккумуляторной батареи, напряжение и определяющее, равно ли напряжение или выше эталонного напряжения, указывающего состояние перезарядки, ! причем схема защиты от перезарядки дополнительно содержит ! средство управления зарядкой для прекращения зарядки множества элементов аккумуляторной батареи, когда определено, что напряжение элемента аккумуляторной батареи, обнаруженного любым из средств обнаружения избыточного напряжения, равно или выше эталонного напряжения, и ! повторитель напряжения, представляющий собой операционный усилитель, служащий в качестве элемента с высоким входным сопротивлением, ! причем напряжение в средней точке между двумя соседними элементами аккумуляторной батареи ...

Зарядная цепь, терминал и способ зарядки

Изобретение относится к области электротехники, в частности к технологии электронных цепей. Предлагаются зарядная цепь, терминал и способ зарядки. Технический результат заключается в повышении эффективности зарядки батареи с использованием более высокого выходного тока и в уменьшении толщины зарядной линии при низком уровне входного тока, вследствие чего стоимость зарядной линии уменьшается. Достигается тем, что зарядная цепь содержит цепь управления и цепь снижения напряжения, соединенную с цепью управления; при этом цепь управления сконфигурирована для получения сигнала обратной связи, указывающего частоту генерации сигнала управления, генерации сигнала управления на основе сигнала обратной связи и передачи сигнала управления в цепь снижения напряжения, а цепь снижения напряжения сконфигурирована для получения входного напряжения и сигнала управления, выполнения процесса снижения входного напряжения на основе сигнала управления и подачи выходного напряжения на батарею, при этом выходной ...

СИСТЕМА УПРАВЛЕНИЯ ЗАРЯДОМ АККУМУЛЯТОРА ДЛЯ АВТОМАТИЧЕСКИ УПРАВЛЯЕМОГО ТРАНСПОРТНОГО СРЕДСТВА И СПОСОБ УПРАВЛЕНИЯ ЗАРЯДОМ АККУМУЛЯТОРА ДЛЯ АВТОМАТИЧЕСКИ УПРАВЛЯЕМОГО ТРАНСПОРТНОГО СРЕДСТВА

Использование: в области электротехники. Технический результат - обеспечение подачи мощности в зарядное устройство в конкретное предварительно определенное время. Система управления зарядом аккумулятора для автоматически управляемого транспортного средства содержит узел отслеживания заряда/разряда, который отслеживает величину заряда/разряда аккумулятора, узел задания порогового напряжения ненужности заряда, который задает пороговое напряжение ненужности заряда для аккумулятора, и узел управления зарядом, который выполняет операцию заряда для аккумулятора с использованием зарядного устройства аккумулятора, когда определяется, что напряжение аккумулятора автоматически управляемого транспортного средства, приезжающего на зарядную станцию, ниже порогового напряжения ненужности заряда. Узел задания порогового напряжения ненужности заряда выполнен с возможностью понижать пороговое напряжение ненужности заряда в течение конкретного заданного периода времени. 2 н. и 3 з.п. ф-лы, 7 ил.

ПЕРЕЗАРЯЖАЕМОЕ ЭЛЕКТРИЧЕСКОЕ УСТРОЙСТВО

... 1. Перезаряжаемое электрическое устройство, содержащее:аккумуляторную батарею, сформированную по меньшей мере из одного элемента никелевой металлогидридной батареи;коммутационный элемент, выполненный между аккумуляторной батареей и источником питания; исредства управления, которые содержат средства измерения времени для измерения времени и которые управляют коэффициентом рабочего цикла, представляющим собой отношение периода включения и периода отключения коммутационного элемента, на основе временных данных, выдаваемых средствами измерения времени, для управления значением зарядного тока, подводимого к аккумуляторной батарее,причем зарядка аккумуляторной батареи включает в себя быструю зарядку и капельную подзарядку для зарядки аккумуляторной батареи, после прекращения быстрой зарядки, электрическим током, величина которого меньше величины зарядного тока при быстрой зарядке, асредства управления задают значения зарядного тока при первой капельной подзарядке после прекращения быстрой зарядки ...

СПОСОБ ПОДАЧИ ПИТАНИЯ, УСТРОЙСТВО ПОДАЧИ ПИТАНИЯ И СИСТЕМА ПОДАЧИ ПИТАНИЯ

... 1. Устройство подачи питания, содержащее:секцию передачи энергии, выполненную с возможностью передавать электроэнергию посредством магнитного поля;группу из первого и второго электродов, пространственно разнесенных друг от друга;источник питания, выполненный с возможностью подачи напряжения между указанными первым и вторым электродами; идетектор, выполненный с возможностью определения, присутствует ли посторонний материал на секции передачи энергии, исходя из напряжения, подаваемого от источника питания.2. Устройство подачи питания по п.1, включающее несколько групп из первого и второго электродов, пространственно разнесенных друг от друга.3. Устройство подачи питания по п.2, в котором каждый из указанных первых и вторых электродов имеет прямолинейную форму и указанные первые и вторые электроды расположены поочередно с определенными интервалами.4. Устройство подачи питания по п.2, в котором каждый из указанных первых и вторых электродов имеет форму растровой точки и указанные первые и вторые ...

Assembly for changing lead battery with nickel cadmium battery charger

The lead battery assembly includes a voltage detecting circuit used to detect the voltage of a lead battery and an automatic voltage charging circuit. The circuits are connected to the lead battery and contained together with the lead battery in a housing. A connecting base is electrically engaged with the circuits, and the connecting base is adapted to engage with a cahrger for a nickel cadmium battery.The detecting circuit detects that the voltage of the lead battery reaches a certain value, and sends a signal to the voltage changing circuit to slowly lower the voltage. After the total voltage of the lead battery and the voltage changing circuit change from an increasing state to a decreasing state, the charger senses decreasing voltage and stops charging the lead battery so that the lead battery is permitted to be charged by a charger for a nickel cadmium battery.

Fahrzeugseitiges Lademodul, induktives Ladesystem und Verfahren zum induktiven Laden eines Energiespeichers

Es wird ein fahrzeugseitiges Lademodul zum induktiven Laden eines Energiespeichers (140) eines Kraftfahrzeugs mit einer induktiven Energieübertragungseinrichtung (120) beschrieben. Das Lademodul (131) weist auf (a) eine Stromleitung (206) zwischen einem Eingang und einem Ausgang des Lademoduls (131) erstreckt, (b) eine der der Stromleitung (206) zugeordnete elektrische Messeinrichtung zum Messen einer elektrischen Ladevorgangs-Größe, (c) eine Auswerteeinheit (230) gekoppelt mit der elektrischen Messeinrichtung zum Erzeugen eines Auslösesignals, falls die gemessene elektrische Größe bei einem Vergleich einen vorbestimmten Grenzwert überschreitet; und (d) eine mit der Auswerteeinheit (230) gekoppelte Sicherheitseinrichtung, zum Empfang des Auslösesignals und zur Leistungsreduzierung, wenn das Auslösesignal auftritt. Ferner wird ein induktives Ladesystem zum Laden eines Energiespeichers (140) eines elektromobilen Kraftfahrzeugs beschrieben, welches ein Ladesystem mit einem derartigen Lademodul ...

Steuerungseinheit

Die Erfindung betrifft eine Steuerungseinheit (12, 102) zum Steuern eines Ladevorgangs eines wiederaufladbaren Speichermoduls (14) für elektrische Energie eines Haushaltsgeräts (10), mit einer Detektionseinrichtung, welche dazu eingerichtet ist, die aktuelle Kapazität und/oder den aktuellen Ladezustand des Speichermoduls (14) vor dem Ladevorgang und/oder während des Ladevorgangs zu erfassen, und einer Abschalteinrichtung, welche dazu eingerichtet ist, einen Ladevorgang des Speichermoduls (14) zu beenden, wenn ein Zielladezustand (202) oder eine Zielkapazität am Speichermodul (14) erreicht ist, wobei die Steuerungseinheit (12, 102) dazu eingerichtet ist, den Zielladezustand (202) des Speichermoduls (14) mit zunehmenden Kapazitätsverlusten des Speichermoduls (14) zu erhöhen und/oder die Zielkapazität des Speichermoduls (14) mit zunehmenden Kapazitätsverlusten des Speichermoduls (14) beizubehalten.

Charger and electronic apparatus system

A charger 10 for charging an electronic apparatus 40 through a Universal Serial Bus (USB) has a charger main body 20 and a connection unit 30. The connection unit 30 contains parts of the negative (33) and positive (32) charging paths and a first (T1) and second (T2) signal line between the positive (32) and negative (33) charging paths. The negative charging path (33) is electrically connected to a metallic outer wall (70, figure 4B) of the connection unit 30 and has a larger area than the positive charging path (32) and is more capable of dissipating heat. A temperature sensor 31 is provided in the vicinity of the positive charging path (32), and so can better detect temperature changes. A control unit receives temperature information from the temperature sensor 31 through the first signal line (T1) and receives other information from the electronic apparatus through the second signal line (T2). The control unit stops the supply of charging current if the temperature is too high. The ...

BATTERY CHARGING SYSTEMS FOR ROAD VEHICLES

... 1369812 Vehicle battery charging systems JOSEPH LUCAS (INDUSTRIES) Ltd 17 Jan 1972 [22 Jan 1971] 2939/71 Heading H2H [Also in Division G3] A vehicle battery charging system comprises an alternator 11 having a field winding 31, a full wave rectifier 13, 14 through which the alternator supplies power to first and second supply lines 9, 10 between which a battery 12 is connected, a third supply line 16 coupled to the alternator by diodes 15 so that when the alternator produces an output the first and third supply lines are at the same potential and a high impedance series circuit interconnecting the first and second supply lines, the circuit including an ignition switch 21 and an amplifying device which controls a warning lamp 39. When the switch 21 is closed a transistor 18 of the amplifying device is conductive and switches on a transistor 38 to illuminate the lamp 39. Transistors 27, 29 are also conductive to provide current to the field winding 31. When the alternator provides an output ...

Battery charger

When a control module 3 senses that the voltage of a battery 2 has fallen to a first low level (Lo 1), it causes a control unit 5 to connect a battery charger 1 to an A.C. supply 6, controls 3, 5 operating to disconnect the charger 1 from the supply 6 when the battery voltage rises to a higher level (Hi 1). An LED display and/or an audible alarm in an alarm unit 4 operates when either of the two above voltage levels (Lo 1, Hi 1) is passed and also if the battery voltage falls to a second low level (Lo 2) below the first low level, eg. in the event of failure of the A.C. supply 6. Testing units 7, 8 may cause a test load to be applied across the battery 2, eg. for 5 seconds once every 24 hours. The Lo 1 alarm is inhibited during the test and if the Lo 2 set point is stripped, a flashing LED is latched on in the unit 7. Module 3 may indicate the state of charge of the battery 2 on a voltmeter which measures voltage only over a desired range above zero. Circuits are described (Figure 2,3) ...

Process for improving the charge state of a battery arrangement in a motor vehicle

Fully charged battery protection

Rechargeable battery jump starting device with control switch backlight system

A rechargeable battery jump starting device with a control switch backlight system. The control switch backlight system is configured to assist a user viewing the selectable positions of the control switch for selecting a particular 12V or 24V operating mode of the portable rechargeable battery jump starting device in day light, sunshine, low light, and darkness.

Improvements in or relating to electric voltage or current controlling arrangements

... 1,029,627. Semi-conductor limiter circuits. PYROTECTOR G.m.b.H. March 13, 1963 [March 15, 1962], No. 9995/63. Heading H3T. [Also in Divisions G3 and H2] A system wherein a reference control voltage is produced by a device such as a Zener diode is provided with means to compensate for imperfections in the device or variations in the applied voltage which means comprise the application to the device of a correcting voltage. A battery is charged from an A.C. supply by way of a transformer secondary winding L1, a controlled rectifier CR of any suitable type and contacts C1, C2 of a relay R which relay, when the supply fails, causes the battery B to be connected to auxiliary lamps B1, B2 by way of contacts C1, C3. Overcharging of the battery B is prevented by a circuit including a Zener diode ZD which is supplied from the secondary winding of the transformer T over a diode D so as to provide a bias voltage for the rectifier CR, the portion L2 of the secondary winding applying to the Zener diode ...

BATTERY DEVICE

A method and apparatus for charging a battery

PROCESS FOR IMPROVING THE CHARGE STATE OF A BATTERY ARRANGEMENT IN A MOTOR VEHICLE

E-cigarette and re-charging pack

Controlling charge levels of vehicle batteries

A vehicle includes a battery, a battery sensor for detecting a current of the battery, a power connector for connecting to an external electrical device, a relay electrically connected between the power connection and the battery, and a body control module to position the relay in a closed state in response to determining that the current is greater than zero and the battery is not in an overcharge state. The controller may open the relay if current is less than zero and the battery is overcharged. The controller may determine a vehicle operating mode, and may close the relay if the vehicle is in an active mode. The controller may open the relay if the vehicle is in a sleep mode for longer than a predetermined time.

Controlling inductive power transfer systems

Battery management system

DC TO DC CONVERTERS

... 1455498 Automatic voltage control HONEYWELL Inc 29 July 1974 [30 July 1973] 33433/74 Heading G3R [Also in Division H2] A D.C.-D.C. converter comprises an oscillator supplied from a first D.C. source 2 and including a transformer 19, the output of the transformer being rectified at 27 to provide a second D.C. output and monitoring means including a programmable unijunction transistor (PUT) (i.e. an anode gate thyristor) 36 arranged to compare one of the voltages of the converter with a reference voltage 41 and to stop the oscillator when the voltage passes a predetermined limit. In the electronic flash apparatus described, the oscillator 1 comprises a transistor 24 having feedback via transformer 19. During each cycle, the current in transistor 24 builds up until the core of transformer 19 saturates when the base current becomes reduced, cumulatively turning off transistor 24. When capacitor 32 has recharged sufficiently to turn on transistor 24 again, a further pulse is produced. This is ...

Rechargeable battery jump starting device with a dual battery diode bridge

Rechargeable battery jump starting device with a dual battery diode bridge system

Electronic devices with multiple energy storage device charging circuits and corresponding methods

EQUIPMENT WITH A RECHARGEABLE BATTERY

INTEGRATED BATTERY PROTECTIVE CIRCUIT

A LUMINESCENT DISPLAY

Disclosed is a luminescent display for mounting on a wall. The display comprises a front panel having a peripheral portion and one or more solar panels arranged to receive sunlight and generate electrical power. The display also comprises at least one light source powered by the generated electrical power and arranged to illuminate the peripheral portion from inside of the display. 14tB ...

Power management method

Power management method The invention relates to a power management method comprising the following steps: - measuring voltages and currents of a power source (20), an electrical output (23) and a battery (21); - calculating a power generated by the power source (20), a power consumed by the electrical output (23) and a power exchanged with the battery (21); - connecting the power source (20), the electrical output (23), the battery (21) and an electrical grid (22); - transmitting, to a monitoring device, measurements of electrical generation and information on the consumption and control possibility of one or more remote systems to change priorities of power flow or to change options regarding the use of the power flow; - connecting the electrical output (23) to the power source (20), the battery (21) or the electrical grid (22) according to information on the tariff per kWh provided by the public electricity grid, such as peak and off-peak time. (Figure 1) 20 ICr -~rPFTR".Iao, C= WIArtcr ...

Rechargeable battery jump starting device and rechargeable battery assembly

A rechargeable battery jump starting device and a rechargeable battery assembly for use in the portable rechargeable battery jump starting device. The portable rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery assembly to a battery being jump started.

Sequentional electrical power delivery from two generators

A vehicle electrical system comprises two generators coupled with one or more electrical subsystem, each of which includes at least one of a stored energy source and electrical load. Each generator is regulated via its associated voltage regulator at a common regulation voltage. Sequential electrical power delivery from the generators is achieved via a sequencing means. Where two or more electrical subsystems are present, electrical isolation is achieved via an isolating means. Overcharge protection is achieved by sensing and responding to the highest voltage of the two or more electrical subsystems.

Power management method

The invention relates to a power management method, characterised in that it includes the following steps: a) measuring the voltage and current of a power source (20), of an electrical output (23) and of a battery (21); b) calculating the power produced by the power source (20), the power drawn by the electrical output (23) and the power exchanged with the battery (21); c) connecting the power source (20), the electrical output (23), the battery (21) and an electrical grid (22); and d) transmitting to a monitoring device electricity generation measurements and consumption information and information on whether it is possible to remotely control a number of systems. In a step e), the electrical output (23) is connected to the power source (20), the battery (21) or to the electrical grid (22) depending on information on the mains-grid kWh unit rate, such as whether it is peak or off-peak.

Protection systems for rechargeable elements

SEQUENTIONAL ELECTRICAL POWER DELIVERY FROM TWO GENERATORS

A vehicle electrical system comprises two generators coupled with one or more electrical subsystem, each of which includes at least one of a stored energy source and electrical load. Each generator is regulated via its associated voltage regulator at a common regulation voltage. Sequential electrical power delivery from the generators is achieved via a sequencing means. Where two or more electrical subsystems are present, electrical isolation is achieved via an isolating means. Overcharge protection is achieved by sensing and responding to the highest voltage of the two or more electrical subsystems.

AEROSOL DELIVERY DEVICE INCLUDING A HOUSING AND A COUPLER

The present disclosure relates to aerosol delivery devices. The aerosol delivery devices include a control body and a cartridge including an atomizer and a reservoir configured to contain an aerosol precursor composition. The control body includes a housing defining an electrical power source cavity that extends along a first longitudinal axis and is configured to receive an electrical power source. The control body additionally includes a coupler configured to engage a cartridge including an aerosol precursor composition such that the cartridge extends along a second longitudinal axis. The first longitudinal axis and the second longitudinal axis are non-coaxial and oriented substantially parallel to one another. A related assembly method is also provided.

RECHARGEABLE BATTERY CONVERSION KIT FOR LEGO MINDSTORMS INTELLIGENT BRICK

The invention provides an economical way to enable LEGO intelligent brick to use rechargeable batteries with minimum modification to the original device. The battery charger is designed to be the same shape as 2 AA batteries, and two battery link boards are designed to reconfigure the battery connection. Off the shelf standard 14500 Li-ion batteries now can be used. The charger and 4 Li-ion Batteries will fit into the original battery compartment and the battery cover is able to close nicely.

CHARGING STATION FOR CHARGING ELECTRICAL VEHICLES

A charging station (20) adapted for charging electrical vehicles (100) and comprising at least one battery pack (30). The battery pack (30) comprises a plurality of batteries (1) being coupled in series and a control unit (40) adapted for controlling each of the batteries (1) of the plurality of batteries individually. Each battery (1) comprises at least one battery cell (2) with a battery inlet line (8) and a battery outlet line (9), an electrical circuit element (5) arranged to lead from the battery inlet line (8) to the battery outlet line (9) such as to form an electrical path leading around the battery cell (2), and one switch(6 or 7).The one switch (6 or 7) is arranged in one of the battery outlet line (8)and the battery inlet line (9)and is switchable between a first position and a second position. The control unit (40) is connected to the one switch (6 or 7) of each battery (1) and is adapted for controlling the one switch (6 or 7) to switch between the first position, in which ...

BATTERY UNIT, FLAVOR INHALER, METHOD FOR CONTROLLING BATTERY UNIT, AND PROGRAM

Provided is a battery unit which includes: a power supply; a detection unit that detects output voltage of the power supply; a connecting part capable of connecting a load for atomizing an aerosol source or heating a flavor source to a charger that charges the power supply; and a control unit capable of executing a power supply mode that allows supply of power from the power supply to the load, and a charging mode that allows charging of the power supply from the charger. If the decrease amount of the output voltage per a prescribed period in the charging mode is equal to or less than a threshold value set on the basis of the decrease amount of the output voltage per a prescribed period in the power supply mode, the control unit determines an abnormality in the charging mode.

POWER SUPPLY UNIT FOR AEROSOL INHALER, AND CONTROL METHOD AND CONTROL PROGRAM OF THE SAME

A power supply unit for an aerosol inhaler includes: a power supply that is able to discharge power to a load for generating an aerosol from an aerosol generation source; and a control unit that is configured to determine whether the power supply which is being charged has reached a predetermined charge state lower than a fully charged state, and complete charging of the power supply in a case of determining that the power supply has reached the predetermined charge state.

ENERGY STORAGE SYSTEM CHARGER WAKE-UP

In an embodiment, an energy storage system includes one or more storage cells, charge/discharge circuitry, and charger wakeup circuitry. After the storage cells become depleted below an energy level threshold, the charge/discharge circuitry disconnects the storage cells from a main circuit associated with the storage system. The charger wakeup circuitry allows a limited amount of current to bypass the charge/discharge circuitry in order to present a current-limited voltage from the storage cells at the terminals. The voltage presented at the terminals is pulsed on and off when an external device is connected across the terminals. The voltage presented to the terminals is detected by the external device. After detecting the voltage, the external device performs an operation in response to detecting the condition.

CABINET AND BATTERY MANAGEMENT AND MONITORING SYSTEM FOR USE WITH UNINTERRUPTIBLE POWER SUPPLIES

A battery management and monitoring system for monitoring a lithium battery module is provided. The battery management and monitoring system may include a memory configured to retrievably store one or more algorithms, and a controller in communication with the memory. Based on the one or more algorithms, the controller may be configured to at least monitor a data signal corresponding to one or more parameters indicative of an operating condition of the lithium battery module, and generate a control signal based on the data signal configured to selectively engage one or more contactors in communication with the lithium battery module to at least temporarily isolate the lithium battery module if one or more of the parameters exceed predefined thresholds.

ACTIVELY HEATED OR COOLED MUG

An actively heated or cooled mug. The actively heated or cooled mug includes a mug body including a circumferential wall that extends from a proximal portion to a base and defines a chamber configured for holding a liquid, the base spaced apart from a bottom portion of the mug to define a cavity between the base and the bottom portion. The actively heated or cooled mug further includes a temperature control system at least partially disposed in the cavity, including a heating or cooling element disposed in thermal communication with at least a portion of the chamber and configured to heat or cool the liquid in the chamber, and control circuitry configured to control the operation of the heating or cooling element. The actively heated or cooled mug further includes one or more electrical contacts on an outer surface of the mug body.

HEATED OR COOLED DISHWASHER SAFE DISHWARE AND DRINKWARE

Heated or cooled dishwasher safe dishware and drinkware are provided. The dishware and drinkware includes a dishwasher safe body having a receiving portion for holding solid or liquid food and a heating or cooling system that can be housed in the body or in a separate module removably attachable to the body. The heating or cooling system can have a heating or cooling element that heats or cools the receiving portion of the body. The heating or cooling system can optionally have a power storage element connected to the heating or cooling element, the power storage element configured to supply the heating or cooling element with electricity for a desired period of time. The heating or cooling system can optionally have a charging circuit operatively connected to the power storage element, the charging circuit configured to control a charging process of the power storage element.

POWER TOOL AND BATTERY PACK FOR USE IN THE POWER TOOL

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

MULTICHANNEL BATTERY CHARGER

A battery charger includes a microcontroller for simultaneously and independently charging the batteries of a number of battery powered devices. The battery charger includes a constant current source associated with each channel that is connectable to a device's battery. Each constant current source is switchable between a trickle charge state and a high charge state under the control of the microcontroller to charge the battery connected thereto quickly and safely. The microcontroller further performs diagnostics continuously throughout the charging of a battery to determine whether malfunctions have occurred in the microprocessor of the microcontroller, in the software of the microcontroller or in any of the current sources.

Selbsttätiger Ladeschalter für Akkumulatorenbatterien.

Dispositif de protection des batteries d'accumulateurs étanches contre les accroissements excessifs de température

Einrichtung mit einem Ladegerät und Mitteln zur automatischen Steuerung des Ladestromes von Akkumulatoren

Smart battery provided with an electronic circuit for managing the supply voltage.

La batterie intelligente (1) de linvention comprend un circuit électronique (10) de gestion de la tension dalimentation relié à une batterie (2). Le circuit électronique comprend un détecteur (3) de fin de vie de batterie, une unité de gestion (7), un étage oscillateur (4), un convertisseur DCDC (6) mis en fonction, quand la tension dalimentation de la batterie (2) est proche ou égale à un seuil de fin de vie de batterie, et une interface (8) de communication de données ou commandes. Linterface (8) de communication de données ou commandes est une interface à 1-fil, qui est reliée à une borne positive de tension dalimentation de la batterie intelligente pour transmettre un signal modulé de données ou commandes par une des bornes de tension dalimentation. Le signal modulé transmis par linterface peut comprendre une information de fin de vie de batterie.

Smart battery management circuit with a supply voltage.

La batterie intelligente (1) de l’invention comprend un circuit électronique (10) de gestion de la tension d’alimentation relié à une batterie (2). Le circuit électronique comprend un détecteur (3) de fin de vie de batterie, une unité de gestion (7), un étage oscillateur (4), un convertisseur DC–DC (6) mis en fonction, quand la tension d’alimentation de la batterie (2) est proche ou égale à un seuil de fin de vie de batterie, et une interface (8) de communication de données ou commandes. L’interface (8) de communication de données ou commandes est une interface à 1-fil, qui est reliée à une borne positive de tension d’alimentation de la batterie intelligente pour transmettre un signal modulé de données ou commandes par une des bornes de tension d’alimentation. Le signal modulé transmis par l’interface peut comprendre une information de fin de vie de batterie.

CHARGING MANAGEMENT SYSTEM FOR UNPILOTED CONVEYANCE VEHICLES

Method for forming magnetic field space

With the present invention, it is possible to form a magnetic field space (Z) having a relatively small magnetic field intensity between a power supply resonator (22) and a power receiving resonator (32), by supplying electrical power from the power supply resonator (22) to the power receiving resonator (32) by a resonance phenomenon. When doing so, the formation location of the magnetic field space (Z) can be changed by setting the frequency of the alternating current power, supplied from an alternating current power source to a power supply module (2), to an opposite-phase resonance mode or to a same-phase resonance mode. Also, the size of the magnetic field space (Z) can be changed by changing the distance (A) between a power supply coil (21) and the power supply resonator (22) and the distance (B) between the power receiving resonator (32) and a power receiving coil (31).

Control system, power supply system, and method for preventing floating charge of battery

A control system, a power supply system, and a method for preventing floating charge of a battery are disclosed. The control system is applied to the power supply system electronically connected to an electronic equipment and a power supply terminal. The control system includes a current regulator module and a battery management system. The current regulator module includes a switch element and a diode connected in parallel. The battery management system is used for monitoring a capacity of the battery and controlling the switch element; wherein when the capacity of the battery reaches a default value, the battery management system is used for controlling the switch element to stop charging the battery. When the power supply terminal stops providing the power, the battery provides the power through the diode to the electronic equipment firstly, then the power is provided through the switch element to the electronic equipment.

Protective circuit for battery

The invention concerns a protective circuit (10) for protecting a rechargeable battery (1) against currents of too high intensity. The protective circuit (10) includes detection and comparison means (30, 31, 32) for generating a control signal (OVRC) in response to the comparison of a reference voltage (VREF) and a measuring voltage (VM) representative of the charge or discharge current (ICH, IDCH) passing through the battery (1). According to the invention, the detection and comparison means (30, 31, 32) include adjustment means (32) for compensating a temperature dependence of the measuring voltage (VM) and/or the reference voltage (VREF), these adjustment means (32) including means for generating diode voltages (VBE1 to BBE5).

Multi-dimensional inductive charger and applications thereof

A system and method for providing a multi-dimensional inductive charger. In accordance with an embodiment, the system comprises a base unit having one or more transmitter coils; and one or more components including a ferromagnetic, ferrite, or other magnetic material or layer, that modify the magnitude and/or phase of an electromagnetic field in one or multiple dimensions. When a mobile device, such as a phone, computing device, camera, kitchen appliance, automobile, or other electrical or electronic device having one or more receiver coils or receivers associated therewith, is placed in proximity to the base unit, the transmitter coil is used to inductively generate a current in the receiver coil or receiver associated with the mobile device, to charge or power the mobile device. In accordance with various embodiments, the base unit is provided within an automobile, for use in charging or powering one or more mobile devices within the automobile.

Abnormal voltage detector apparatus for detecting voltage abnormality in assembled battery

An abnormal voltage detector apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detector apparatus, a detecting part detects whether or not each of the battery blocks is in a voltage abnormality state by comparing either one of a voltage of each battery block and each battery measuring voltage, that is a voltage lowered from the voltage of each battery block, with a predetermined reference voltage, generates each of abnormality detecting signals containing information about a detected result, calculates a time ratio of a time interval, for which the assembled battery is in a voltage abnormality state, to a predetermined time interval, based on the abnormality detecting signals, and detects a voltage abnormality of the assembled battery based on a calculated time ratio.

Charge and discharge control circuit and battery device

When pulse charging is performed in an overcharge state or an overdischarge state in a charge and discharge control circuit and a battery device, a problem in that a pseudo overcurrent phenomenon occurs repeatedly to hinder normal operations of the charge and discharge control circuit and the battery device is addressed, thereby providing a safe battery device. Thus, there are provided a charge and discharge control circuit and a battery device having a structure in which charge overcurrent detection in the overcharge state and discharge overcurrent detection in the overdischarge state are invalidated.

Battery control apparatus

A battery control apparatus is provided which can keep an inter-terminal voltage of each single cell within a permitted range while permitted power is controlled in units of a battery pack. The battery control apparatus of the invention restricts the permitted power of the battery pack according to a degree of closeness of a close circuit voltage of the single cell to an upper limit or a lower limit of the permitted range.

Method and apparatus for charging batteries at reduced overcharge levels

Battery charging methods and associated chargers which are capable of rapidly charging a battery while subjecting it to reduced levels of overcharging. The methods described are capable of being utilized within numerous battery charging systems for batteries spanning a range of chemistries, such as lead-acid, nickel-based, and lithium-based batteries. Upon detection of the onset-of-overcharge during the charge process, a variable voltage lid is imposed (VLID=(phi)+betalogphi+kappaphi) which reduces the maximum voltage that may be applied to the battery as a function of charge acceptance which is typically estimated by a calculation based on state-of-charge. Additionally, the voltage lid can be approximated with step-wise voltage lids which are responsive to the level of charge acceptance within the battery.

Shunt voltage regulator with self-contained thermal crowbar safety protection

A voltage regulator that includes a voltage control circuit, fabricated on a semiconductor. The voltage control circuit maintains a voltage between a first node and a second node within a predetermined range by maintaining a current level flowing from the first node to the second node. The current level is a function of a voltage between a third node and the second node. A thermal sensing circuit is also fabricated on the semiconductor and is thermally coupled to the voltage control circuit. The thermal sensing circuit asserts a latch signal that causes the voltage control circuit to allow a saturation value of current to flow from the first node to the second node when the thermal sensing circuit senses that the voltage control circuit has reached a temperature above a predetermined threshold.

MAGNETIC SHEET AND NON-CONTACT POWER RECEIVING DEVICE, ELECTRONIC APPARATUS AND NON-CONTACT CHARGING SYSTEM USING THE SAME

A magnetic sheet 1 of an embodiment includes a stack of a plurality of magnetic thin strips and resin film parts. The stack includes from 5 to 25 pieces of the magnetic thin strips. The magnetic thin strips are provided with cutout portions each having a width of 1 mm or less (including 0 (zero)). A ratio (B/A) of a total length B of the cutout portions provided to the magnetic thin strip to a total outer peripheral length A of an outer peripheral area of the magnetic thin strip arranged on one of the resin film parts is in a range of from 2 to 25.

METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERY PACKS

A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell.

Power storage device, light-emitting device, and electronic device

To provide a flexible, highly reliable power storage device or light-emitting device. The device includes a battery unit or a light-emitting unit and a member with rubber elasticity. The battery unit includes a secondary battery. The light-emitting unit includes a light-emitting element. The member with rubber elasticity is provided with a first projection and a second projection. The first projection and the second projection are arranged on a first surface of the battery unit or the light-emitting unit. The first projection and the second projection come in contact with each other when the power storage device is bent such that the first surface of the battery unit faces inward.

Automatic control system for a rechargeable battery system

An automatic battery control system automatically switches from charge to discharge modes with a single relay, thereby preventing the need to manually reset a relay switch due to an over or under voltage situation. An automatic battery control circuit is coupled with a battery management system and a relay contactor is opened and closed by a signal from the battery management system. The battery management system monitors a state of charge of the battery unit as well as current flow to and from a battery unit. A parallel resistor is configured across the input and output sides of the single relay contactor and the voltage drop across the resistor indicates a connection to either a charging power source or a load. The connection is communicated to the battery management system by an optocoupler and if the battery unit has an acceptable state of charge, the relay contactor is closed.

System and method for tracking and archiving battery performance data

An intelligent rechargeable battery pack having a battery management system for monitoring and controlling the charging and discharging of the battery pack is described. The battery management system includes a memory for storing data related to the operation of the battery, and the battery management system is also configured to communicate the data related to the operation of the battery to other processors for analysis.

Battery apparatus for controlling plural batteries and control method of plural batteries

Lower order control devices control plural battery cells configuring plural battery modules. An input terminal of the low order control device in the highest potential, an output terminal of the low order control device in the lowest potential, and a high order control device are connected by isolating units, photocouplers. Diodes which prevent a discharge current of the battery cells in the battery modules are disposed between the output terminal of the low order control device and the battery cells in the battery module on the low potential side. Terminals related to input/output of a signal are electrically connected without isolating among the plural low order control devices.

STORAGE BATTERY SYSTEM

A storage battery system connected to a power system includes: a storage battery; a BMU which monitors a state of the storage battery; a PCS which converts AC power of the power system into DC power to charge the storage battery with the DC power and converts DC power of the storage battery into AC power to discharge the AC power to the power system; and a control device. The control device receives a charge/discharge request from an EMS and storage battery information supplied from the BMU and controls the PCS based on the charge/discharge request and the storage battery information. The control device includes a charge/discharge command unit which calculates chargeable/dischargeable electric power based on the storage battery information and determines a charge/discharge command to the PCS based on the charge/discharge request by using the chargeable/dischargeable electric power as a constraint condition.

POWER MANAGEMENT SYSTEM AND METHOD FOR OPERATING THE SAME

The present disclosure relates to a power management system. The power management system comprises a first power supply device, a second power supply device, a power supply control device, a data processing device and a load. The power supply control device is connected to the first power supply device. The data processing device is connected to the first power supply device, the second power supply device and the power supply control device. The load is connected to the first power supply device and the second power supply device. The power supply control device is configured to, when activated, provide a first signal to the data processing device. The data processing device is configured to select the first power supply device or the second power supply device to provide power to the load according to the first signal.

CHARGING CONTROLLING DEVICE

An charging control device includes: one or more slave groups including a plurality of slaves for charging or discharging a battery; and a master configured to transmit, to the one or more slave groups, a control signal for controlling operations of the one or more slave groups, and select one of a plurality of slaves included in each of the one or more slave groups as an alternative master, wherein the alternative master is a slave capable of performing some or all of all functions of the master.

Wireless Charging Device

A wireless charging device comprises a transmitter coupled to at least one transmitting antenna and operable to cause the at least one transmitting antenna to emit electromagnetic radiation; a conductive structure adapted to confine the electromagnetic radiation to a charging zone; and a detector for detecting a degree of impedance mismatch between the transmitter and the at least one transmitting antenna. A receiver for use with the wireless charging device and a wireless charging system are also disclosed.

Secondary-battery monitoring device and battery pack

A secondary-battery monitoring device capable of realizing highly reliable overcurrent detection and a battery pack having it are provided. When an overcurrent flowing to a secondary battery is to be detected by utilizing a current detection voltage generated via on-resistance of a discharge-control switch and a charge-control switch, a voltage correction circuit that generates a correction voltage having a characteristic varied by positive slope or negative slope along with increase in a power supply voltage is provided, and the correction voltage is added to the detection voltage or a reference power supply voltage with the polarity that cancels out the slope of voltage variation caused in the detection voltage, and then the voltage is input to a comparator circuit. In this manner, variation in the overcurrent determination current is reduced.

Electronic device, method for controlling the same, and program for the same

The invention provides an electronic device having a structure operable by the power of a battery pack. The electronic device includes: an authenticating section that authenticates a battery pack connected so as to supply power to determine whether the battery pack is a genuine product; a user interface; and a controller for controlling the electronic device. The controller tries authentication of the battery pack connected so as to supply power with the authentication section. When the battery pack has been authenticated, the discharging of the battery pack is enabled. When the battery pack has not been authenticated, the controller requests the user to input recognition whether the battery pack is a genuine product through the user interface, and changes the control for the battery pack between when the user inputs, in response to the request, the recognition that the battery pack is a genuine product and when the user inputs the recognition that the battery pack is not a genuine product ...

Battery pack, battery apparatus including the same, and cell balancing method thereof

A battery pack includes: a cell module including a plurality of battery cells; and a coil unit installed on one side of the cell module and having coils stacked therein, the coils being connected to the respective battery cells.

POWER SOURCE SYSTEM

A power source device includes a switching circuit configured to switch the power supply mode between a first power supply mode, in which power is supplied to a drive circuit for an electric motor by only a main power source, and a second power supply mode, in which power is supplied to the drive circuit utilizing both the main power source and an auxiliary power source. A control device includes: a determination unit that determines whether the operation state of the electric motor is a regeneration state or a power-running state; and a unit configured to limit power to be supplied to the drive circuit when the power supply mode is the second power supply mode and it is determined by the determination unit that the operation state of the electric motor is the regeneration state.

Battery charger

AUTOMATICALLY PROGRAMMABLE BATTERY PROTECTION SYSTEM AND RELATED METHODS

A programmable battery protection system. Implementations may include: a battery, only two field effect transistors (FETs), and a battery protection integrated circuit (IC). The battery protection IC may include an array of fuses, first plurality of latches, second plurality of latches, and a comparator. The array of fuses, first plurality of latches, and second plurality of latches may be coupled with a fuse refresh circuit coupled with an analog trigger circuit and a logic trigger circuit. The fuse refresh circuit may be configured to refresh the states of the latches using states of the array of fuses in response to receiving an operating trigger signal generated by the analog trigger circuit or a logic trigger signal generated by the logic trigger circuit. The first plurality of latches may be used to generate a threshold voltage that is provided to the comparator.

Battery pack

A detecting switch which is turned on/off in accordance with whether or not primary batteries have been attached to a primary battery holder is provided. In a normal state where no primary battery is attached, terminals (a, c) of a charge change-over switch are connected by a detection signal of the detecting switch, so that a voltage supplied from an external charger is inputted to a DC/DC converter. A secondary battery is charged by a predetermined value output of the DC/DC converter. When the primary batteries are attached, the detecting switch is turned on and terminals (b, c) of the charge change-over switch are connected, so that an output voltage of the primary batteries is inputted to the DC/DC converter. The secondary battery is charged by the predetermined value output of the DC/DC converter. Even when there is no charger, the secondary battery can be charged by the primary batteries and charging power sources are automatically switched.

BATTERY MANAGEMENT SYSTEM

A battery management system for use in charging a rechargeable battery is disclosed. The battery management system comprises a controller and a temperature sensor, wherein the temperature sensor is configured to provide a temperature signal based on a temperature of the rechargeable battery, and wherein the controller is configured to control a charging current for charging the rechargeable battery based on the temperature signal. In response to the temperature signal indicating that the temperature exceeds a first threshold temperature signal value the charging current is tapered down as a function of increasing temperature.

CIRCUITS, SYSTEMS, AND METHODS FOR PROTECTING BATTERIES

In a protection circuit, a decision circuit generates a configuration signal indicative of an application requirement associated with a battery pack, generates an indication signal indicative of the battery pack's status, sets the indication signal to a first state if an abnormal condition is detected, and sets the indication signal to a second state if the battery pack is in a normal condition. A control circuit receives a supply signal indicative of a voltage at an input terminal of a switch, provides a protection signal to a control terminal of the switch to control the switch, and sets the protection signal to a first level or a second level according to the indication and configuration signals. The first level is equal to a level of the supply signal, and the second level is equal to the supply signal minus a predetermined voltage reference.

Protection circuit for battery pack and battery pack including the same

A protection circuit for a battery pack including a rechargeable battery cell having a positive electrode and a negative electrode is disclosed. The protection circuit includes a self-discharge switching device electrically connected to the positive electrode and the negative electrode of the battery cell, and a control unit electrically connected to the battery cell and the self-discharge switching device to turn-on or turn-off the self-discharge switching device according to a temperature of the battery cell.

PROTECTIVE ELEMENT, PROTECTIVE ELEMENT FABRICATION METHOD, AND BATTERY MODULE IN WHICH PROTECTIVE ELEMENT IS EMBEDDED

A protective element including a substrate having a first insulating member and a concave portion formed thereon, a heating body layered on the concave portion of the substrate, a second insulating member layered on the substrate so as to cover at least covering the heating body, first and second electrodes layered on a surface of the substrate on which the second insulating member is layered, a heating body electrode layered on the second insulating member so as to be superimposed with the heating body, and electrically connected to a current path between the first and the second electrodes as well as onto and the heating body, and a low-melting point metal layered from the heating body electrode toward the first and the second electrodes configured to cause a blowout of the current path between the first and the second electrodes by heating.

Overcharge protection systems having dual spiral disk features for prismatic lithium ion battery cells

A prismatic lithium ion battery cell includes a packaging having a cover. The cover includes: a first spiral disk feature disposed below a first terminal pad; a second spiral disk feature disposed below a second terminal pad; a first reversal disk disposed below the first spiral disk feature; and a second reversal disk disposed below the second spiral disk feature. The first and second reversal disks are configured to deflect upwards to displace the first and second spiral disk features to contact the first and second terminal pads, respectively, in response to a pressure within the packaging being greater than a predefined pressure threshold and form an external short-circuit between the first and second terminal pads via the first and second spiral disk features. Subsequently, a portion of the power assembly fails in response to the external short-circuit and interrupts current flow between the first and second terminal pads.

Jump Starting Apparatus

A jump starting apparatus for boosting or charging a depleted or discharged battery having a positive polarity battery terminal and a negative polarity battery terminal includes a rechargeable battery, an output port, a battery cable assembly, and a safety control system or circuit. The battery cable assembly includes a positive battery cable having a positive polarity battery terminal connector for connecting the jump starting apparatus to the positive polarity battery terminal of the depleted or discharged battery, a negative battery cable having a negative polarity battery terminal connector for connecting the jump starting apparatus to the negative polarity battery terminal of the depleted or discharged battery, and a plug connector coupled to the positive battery cable and the negative battery cable, the plug connector configured to plug into the output port, wherein the output port and the plug connector are dimensioned so that the plug connector will fit into the output port only ...

Apparatus for a solar pathway light

An apparatus includes a classification of shaded area and a light unit being configured for illumination. A solar panel is configured for at least providing an energy output during exposure of shade being classified by the classification of shaded area. A rechargeable storage device is configured for storing at least a portion of the energy output as stored energy. The stored energy recharges the rechargeable storage device. A safety device is configured for at least protecting the rechargeable storage device from substantial overcharging during exposure of direct sunlight. A cutoff threshold is configured for at least preventing a deep discharging of the rechargeable storage device. An illumination mode comprises at least the rechargeable storage device providing the stored energy, the light unit providing the illumination, the illumination lasting for at least 5 hours, and the cutoff threshold preventing the deep discharging of the rechargeable storage device.

CHARGING DETECTION CIRCUIT

SYSTEM FOR LIMITING INRUSH CURRENT IN A BATTERY ENDPOINT

ЭЛЕКТРОННОЕ УСТРОЙСТВО И СПОСОБ

Изобретение относится к области электротехники. Технический результат, заключается в прекращении или снижении подачи энергии, подаваемой от устройства подачи энергии к электронному устройству, когда оно входит в заранее определенное состояние. Согласно изобретению электронное устройство включает в себя средство приема энергии, чтобы беспроводным образом принять энергию от устройства подачи энергии, средство обнаружения для того, чтобы обнаружить, находится ли электронное устройство в заранее определенном состоянии, средство нагрузки, на которое подают энергию от средства приема энергии, и средство управления, сконфигурированное, чтобы выполнять управление таким образом, что вторая энергия подается от средства приема энергии к средству нагрузки, если средство обнаружения обнаруживает, что электронное устройство находится в заранее определенном состоянии, и первая энергия подается от средства приема энергии на средство нагрузки, причем вторая энергия меньше первой энергии, и упомянутое средство ...

КОНСТРУКЦИИ ДЛЯ УПРАВЛЕНИЯ СИСТЕМОЙ НА СОЛНЕЧНОЙ ЭНЕРГИИ С ПРЕДЕЛЬНО НИЗКИМ ЭНЕРГОПОТРЕБЛЕНИЕМ

Изобретение относится к конструкции контроллера для системы светодиодного фонаря на солнечной энергии. Техническим результатом является снижение потребления энергии контроллером и системой светодиодного фонаря в целом. Результат достигается тем, что блок управления включает в себя контроллер, который содержит переключающую цепь и который выборочно заряжает аккумулятор от панели солнечной батареи и выборочно разряжает аккумулятор, чтобы питать фонарь. Сам фонарь включает в себя вторую часть блока управления, которая предотвращает состояния чрезмерной зарядки и чрезмерной разрядки аккумулятора. Это может быть выполнено, используя пассивную цепь низкой мощности из СИД и резисторов, оставляя самому контроллеру лишь выполнять переключение. 4 н. и 18 з.п. ф-лы, 4 ил.

Устройство доставки аэрозоля, включающее в себя кожух и соединитель

Полезная модель относится к устройствам доставки аэрозоля. Устройства доставки аэрозоля могут включать в себя управляющий корпус и картридж, включающий в себя атомайзер и резервуар, выполненный с возможностью содержания композиции предшественника аэрозоля. Управляющий корпус может включать в себя кожух, образующий полость для электрического источника питания, которая продолжается вдоль первой продольной оси и выполнена с возможностью приема электрического источника питания. Управляющий корпус может дополнительно включать в себя соединитель, выполненный с возможностью введения во взаимодействие с картриджем, содержащим композицию предшественника аэрозоля, так что картридж продолжается вдоль второй продольной оси. Первая продольная ось и вторая продольная ось могут быть несоосными и ориентированными по существу параллельно друг другу. Предложен также соответствующий способ сборки. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 202 752 U1 (51) МПК A24F 47/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (52) СПК A24F 47/00 (2020.08) (21)(22) Заявка: 2020115413, 27.12.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: 04.03.2021 28.12.2015 US 14/981,051 Номер и дата приоритета первоначальной заявки, из которой данная заявка выделена: 2018127204 28.12.2015 (45) Опубликовано: 04.03.2021 Бюл. № 7 (56) Список документов, цитированных в отчете о поиске: SG 11201508686U A, 27.11.2015. RU 157882 U1, 20.12.2015. RU 2232032 C2, 10.07.2004. WO 2015168588 A1, 05.11.2015. US 4947874 A1, 14.08.1990. U 1 (54) УСТРОЙСТВО ДОСТАВКИ АЭРОЗОЛЯ, ВКЛЮЧАЮЩЕЕ В СЕБЯ КОЖУХ И СОЕДИНИТЕЛЬ (57) Реферат: Полезная модель относится к устройствам электрического источника питания. доставки аэрозоля. Устройства доставки аэрозоля Управляющий корпус может дополнительно могут включать в себя управляющий корпус и включать в себя соединитель, выполненный с картридж, включающий в себя атомайзер и возможностью введения во взаимодействие с ...

Secondary battery pack

A secondary battery pack of the present invention includes a secondary battery block 3 in which a plurality of unit blocks 2 are connected in series; battery adjustment sections 5 that are each provided for each of the unit blocks 2 and have a function of monitoring the voltage of secondary batteries and a function of adjusting the balance; a charge switch 8; and a discharge switch 9. The secondary battery pack includes transmission sections 17 that receive information from the corresponding battery adjustment sections 5. The transmission sections are connected to the preceding or subsequent transmission sections and are so set that at least either information input from the preceding transmission sections or information input from the battery adjustment sections 5 is output to the subsequent transmission sections. The transmission sections are equipped with a constant current transmission section that transmits with a constant value of current; and a current detection section that can detect the value of the constant current.

Rechargeable Battery Management

Systems and methods for adjusting sampling and switching rates of a battery management system are provided. For example, a rate at which different battery cells of a battery cell stack are in communication with an analog to digital converter may be adjusted in response to conditions of a battery cell.

Information processing apparatus, and control method and storage medium therefor

An information processing apparatus capable of suppressing a secondary battery from being charged with an amount of charge current that can apply excessive load on the secondary battery, without a backup power source function of the secondary battery being impaired. When determining that a predetermined type of data is stored in a DRAM to be backed up by the secondary battery, the information processing apparatus selects a first constant current circuit and quickly charges the secondary battery with a large charge current output from the first constant current circuit. When determining that the predetermined type of data is not stored in the DRAM, the information processing apparatus selects a second constant current circuit and normally charges the secondary battery with a small charge current output from the second constant current circuit.

Protective circuit and charging device

A protective circuit includes a smoothing circuit in which a pulse-like charging output permitting signal is input in a normal charging state and the pulse-like charging output permitting signal is not input in an abnormal charging state, and a charging output control element that is controlled so as to permit or stop a charging output with respect to an electric storage device, permits the charging output by an output signal in which the charging output permitting signal is smoothened by the smoothing circuit, and stops the charging output when an abnormal charging state is detected.

Electronic device, and capacitor capacitance detection method applied to the same

According to one embodiment, an electronic device includes a capacitor, a power supply device, a discharger and a capacitance detector. The capacitor is used as a backup power supply. The power supply device charges the capacitor. The discharger discharges the capacitor. The capacitance detector maintains a terminal voltage of the capacitor at a given level for a predetermined time, by controlling an operating time of the power supply device. The capacitance detector allows the discharger to start the discharge the predetermined time later. The capacitance detector detects a capacitance of the capacitor based on a transient response characteristic of the discharge.

Battery Charge Protection System

A system comprises a battery including one or more cells, an energy source, a load, and a battery protection circuit coupled to the battery, the energy source and the load. The circuit determines if the charge of each cell is at/above a predetermined, band gap supplied threshold voltage, which results in disconnecting of the battery from the energy source. The circuit also may determine if the charge of any cell is at/below a second predetermined level, which may result in disconnecting of the battery from the load. The circuit may be radiation-hardened (e.g., via redundancy), through the use of two sets of field effect transistors, two logic gates, two groups of comparator circuits, and two relays. The circuit provides multiply redundant protection comprising: redundantly assessing the overvoltage determination; redundantly triggering battery isolation; and preventing inadvertent isolation and non-charging, occurring absent overvoltage, through redundant first and second relays.

High voltage battery system for vehicle applications

In one embodiment, a battery management system comprising a first circuit comprising a first plurality of circuit elements arranged in series, the first plurality of circuit elements comprising: a direct current (DC) voltage source, and first plural switching devices, each of the first plural switching devices connected to, and operably switched by, a first detection device associated with a battery module to cause a voltage difference responsive to detection of an event corresponding to operation of the battery module.

Bidirectional switch and charge/discharge protection device using same

A bidirectional switch device, has: a bidirectional switch having a HEMT; and a control circuit which, during a first condition, applies a first voltage lower than a threshold voltage across a gate and one terminal among a source and a drain of the HEMT to turn off a first current path from the other terminal among the source and the drain to the one terminal, and during a second condition, applies a second voltage lower than the threshold voltage across the other terminal and the gate to turn off a second current path from the one terminal to the other terminal, and further during a third condition, applies a third voltage higher than the threshold voltage across the source and the gate and across the drain and the gate of the HEMT to turn on the first and second current paths.

Protection circuit, battery control device, and battery pack

A protective circuit capable of coping with broad voltage variations of a battery unit to interrupt its charging/discharging current path as damages to the heating unit are prevented from occurrence is disclosed. The protective circuit includes fuses, connected to a charging/discharging current path in series between a battery unit and a charging/discharging control circuit, and a heating unit composed by a series connection of resistors. One of two ends of the resistor which is not connected to the peer resistor is connected to a current path of the fuses. The ends of the resistors not connected to the fuses, are provided with a plurality of terminals selected for connection to a current control element that controls the current flowing through the heating unit, as a range of voltage variations of the battery unit is taken into account.

Battery protection integrated circuit architecture

A battery charging/discharging apparatus comprising a battery with at least one battery module, a charge transistor and a discharge transistor. The apparatus further comprises an over-voltage/under-voltage protection circuit connected to the battery pack, the charge transistor, and the discharge transistor. The over-voltage/under-voltage protection circuit controls the charging of the battery with the charge transistor and the discharging of the battery with the discharge transistor. The charge transistor is ON and the discharge transistor is OFF when the battery, as determined by the over-voltage/under-voltage protection circuit, is in an under-voltage state. The discharge transistor is switched ON while still in the under-voltage state when a voltage between the charging transistor and the discharge transistor is less than a reference voltage as determined by a charging state comparator, when a charging circuit is charging the battery.

Communication apparatus and communication method in wireless power transmission system

An apparatus and method to perform communication in a wireless power transmission system are provided. When a communication channel is selected from channels excluding a channel used in wireless power transmission, a communication apparatus and method transmit, using a frequency of the communication channel, a channel seizure signal, an access standard instruction, and a state information signal indicating an operating mode of a source. When a response signal corresponding to the access standard instruction is received from a target, the communication apparatus and method determine a control identifier (ID) of the target.

Power Tool and Battery Pack for Use in the Power Tool

A power tool includes: a battery cell group including a plurality of secondary battery cells; a motor to which an electric power is supplied from the battery cell group through a switching element and a trigger switch; a current detector detecting a current value flowing in a current path; and a controller configured to receive a detection signal from the current detector and controls on/off operation of the switching element. If the current detector detects that the current value flowing in the battery cell group continuously exceeds a given value for a first time period, the controller conducts one of alarm display and alarm control for allowing an operator to recognize that a high load operation continues. If the current value continuously exceeds the given value for a second time period longer than the first time period, the controller turns off the switching element to interrupt the current path.

Cathode active material for overcharge protection in secondary lithium batteries

Provided herein is an electrode active material comprising a lithium metal oxide and an overcharge protection additive having an operating voltage higher than the operating voltage of the lithium metal oxide.

Adapter circuitry for enabling charging and/or recharging a device or battery of a different type

An electronic adapter circuit for charging and/or recharging a battery of a first battery type utilizing a charging device for a battery of a second different battery type, may comprise: an electronic circuit for controlling the charging of the battery of the first battery type when the battery of the first type is charged by the battery charging device, wherein the electronic circuit has high conductivity when the battery of the first type provides electrical power to a load, and has a reduced conductivity for limiting charging of the battery of the first type when it is charged by the battery charging device. The electronic circuit may include a controllable conductivity device having high conductivity when the battery of the first type provides power to a load, and a battery charging control circuit for reducing the conductivity of the controllable conductivity device for limiting the charging of the battery.

Battery Management System

A battery management system for the propulsion batteries of an electric vehicle comprises means for voltage sensing, temperature sensing, voltage limit sensing, and current limit sensing. Charge control is employed for optimal system operation and ensures cell balancing by detecting the lowest charged cells in a cell stack and charging those cells first, thereby ensuring that all cells charge uniformly. Charge control is accomplished on a battery management circuit board associated with battery cells in a battery box, while control of the battery management board is governed by a system controller board through a controller area network interface. The system controller board uses data from the battery management board to govern charge characteristics of the batteries, and supply data and control functions to a driver interface computer.

Battery pack

A battery pack including a housing connectable to and supportable by a hand-held power tool; a first battery cell defining a first axis and having opposite first cell ends; a second battery cell defining a second axis and having opposite second cell ends; a third battery cell defining a third axis; and a terminal for electrically connecting the battery pack to the hand-held power tool. The second battery cell and the third battery cell may be arranged with the second axis and the third axis in a common plane, the first battery cell may be arranged with the first axis non-parallel to the common plane and have one remote first cell end. The terminal may be supported on the housing, in the direction of the first axis, between the one first cell end and the common plane and, in a direction of the second axis, between the second cell ends.

Battery control device, battery system, electric vehicle, movable body, power storage device, and power supply device

Each of battery modules is provided with a range determiner and a voltage detector. The range determiner is connected to a battery via a transmission line, and the voltage detector is connected to the battery via a communication line. In the battery, a voltage calculator calculates a terminal voltage of each of battery cells using a determination result of a voltage range of the battery cell by the range determiner. A control value calculator calculates a battery control value using one of a terminal voltage of each of the battery cells detected by the voltage detector and the terminal voltage of the battery cell calculated by the voltage calculator.

Battery pack

A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge.

Designs for control on solar power system with extreme low energy consumption

This patent discloses designs of a controller for a solar powered LED lamp system. The control unit includes a controller that has a switching network and that selectively charges a battery from a solar panel, and selectively discharges the battery to power a lamp. The lamp itself includes a second part of the control unit that prevents over-charge and under-charge conditions of the battery. This may be accomplished using a low power passive network of LEDs and resistors, leaving the controller itself to only perform switching. Thus, the power consumed by the controller, and by the LED lamp system as a whole, may be significantly reduced.

Battery Protection Device and Method for DC Power Supply

Disclosed are a battery protection device and method for DC power supply. The device comprises: a first branch circuit unit and a second branch circuit unit; a monitoring unit is connected with a DC power supply, the first branch circuit unit and the second charge circuit unit respectively; the first branch circuit unit and the second branch circuit unit are connected in parallel, with one end connected to the DC power source and the other end connected to the load units in series via a battery unit; when the monitoring unit detects that the DC power supply supplies power normally, it controls the first branch circuit unit to conduct, the DC power supply supplies power to the load units; when the monitoring unit detects that the DC power supply supplies power abnormally, it controls the second branch circuit unit to conduct, the battery unit supplies power to the load units.

Switching device

In the present invention, a main switch circuit ( 13 ) is provided between an electric power line (PL), to which voltage outputted from a solar cell ( 11 ) is applied, and a battery module ( 12 ). A protection circuit ( 19 ) turns OFF the main switch circuit ( 13 ) to protect the battery module ( 12 ) from overcharging when the voltage (VBAT) of the battery module ( 12 ) is equal to or greater than an upper limit voltage. The voltage outputted from the solar cell ( 11 ) is set so as to be greater than the upper limit voltage to allow the battery module ( 12 ) to be charged to the upper limit voltage. When a charge ON command signal has been received, a control unit ( 18 ) turns ON only a sub-switch circuit ( 14 ) to introduce current from the solar cell ( 11 ) into a parallel circuit ( 15 ) and to suppress the voltage (VPL) of the power line (PL) to less than the upper limit voltage before turning ON the main switch circuit ( 13 ).

Battery protection circuits

An overvoltage battery protection circuit includes a voltage comparator configured to compare a scaled version of a voltage with a voltage reference and indicate an overvoltage condition when the scaled voltage exceeds the voltage reference. The voltage comparator is powered by a first voltage domain. The circuit further includes a first transistor coupled to an output of the voltage comparator and configured to turn on when the voltage comparator indicates the overvoltage condition and generate an overvoltage signal for at least one external device. The circuit further includes a second transistor coupled to the overvoltage signal and configured to turn on when the overvoltage signal is asserted and force the overvoltage signal to remain asserted independent of the first voltage domain. The first and second transistors are powered by a second voltage domain.

Method for Enhancing a Battery Management System, Battery Management System, Battery System and Motor Vehicle

The disclosure relates to a method for enhancing a battery management system for determining at least one limit value for a first characteristic variable of a battery. The method includes measuring different values of a further characteristic variable for predetermined values of the first characteristic variable in order to determine limit values of the further characteristic variable for charging and/or discharging the battery for the predetermined values of the first characteristic variable, with the result that battery discharging or charging corresponding to the limit values does not result in a battery voltage outside a permissible battery voltage range if the battery has that predetermined value of the characteristic variable which is associated with the respective limit value. The method further includes determining charging and/or discharging limit values of the characteristic variable for predetermined values of the further characteristic variable using the determined charging and/or discharging limit values.

Electric storage apparatus and power path switch apparatus

An electric storage apparatus includes: an electric storage device; a potential difference measuring unit for measuring a potential difference at two arbitrary points on a charging/discharging path for the electric storage device; a self-holding switch disposed between the two points on the charging/discharging path; a current measuring unit for measuring a current flowing on the charging/discharging path; a switch controller for controlling switching of the self-holding switch based on at least the state of the electric storage device; and an operational state determining unit for determining the operational state of the self-holding switch based on the control state of the switch controller and at least one of a result measured by the potential difference measuring unit and a result measured by the current measuring unit.

Charger

A charger in one aspect of the present invention includes: a connecting portion, two protection devices, a charging device, a control device, and a voltage detection device. A first protection device is configured such that its power consumption in a charging inhibited state is lower than that in a charging permitted state. A second protection device is configured such that its power consumption in the permitted state is lower than that in the inhibited state. The control device is configured to respectively set, when the battery is not connected to the connecting portion, the first protection device to the inhibited state and the second protection device to the permitted state, and thereafter switch, when the voltage value of the charging path detected by the voltage detection device is equal to or greater than a predetermined specified voltage value, the second protection device to the inhibited state.

Method and system for voltage collapse protection

Disclosed is battery charging circuit having a first detection circuit and a second detection circuit for detecting when to terminate an activated voltage collapse protection operation. The first detection circuit may be an analog design and the second detection circuit may include digital circuitry.

Battery System for Vehicle, On-Vehicle Battery Module, and Cell Controller

A battery system for vehicle comprises a battery unit that is constituted with a plurality of serially connected cell groups each include a plurality of serially connected battery cells, integrated circuits that are each disposed in correspondence to one of the cell groups of the battery unit and each measure terminal voltages at the battery cells in the corresponding cell group, and a signal transmission path through which one of the integrated circuits is connected to another one of the integrated circuits or to a circuit other than that of the integrated circuits.

Bidirectional wireless charging/discharging device for portable electronic device

A bidirectional wireless charging/discharging device for the portable electronic device includes a logic control unit, a boost/buck unit, first and second reverse current suppressors, a control switch, and a receipt/transmission mode selection unit. The logic control unit includes an automatic mode selection resetting module. The reverse current suppressor provide function of reverse current prevention and switching. The boost/buck unit controls stepping up/down of voltage in a charging operation. The logic control unit detects if a load exists and controls the operations of the boost/buck unit and the reverse current suppressor and is used in combination with the control switch to control the performance of charging or discharging and is further used in combination with the receipt or transmission mode selection unit to select a desired mode of operation. The receipt/transmission mode selection unit is electrically connected to automatic mode selection resetting module.

Power supply system

An operation mode selection unit selects an efficiency priority mode for minimizing the overall loss in a power supply system based on a load request voltage obtained in accordance with the condition of a load and on the conditions of DC power supplies, and generates a mode selection signal in accordance with the selection result. When SOC and/or output power have/has reached power supply restriction values in any DC power supply, an operation mode modification unit generates a final mode selection instructing signal so as to modify selection of the efficiency priority mode by the mode selection signal to select an operation mode in which power distribution between the DC power supplies can be controlled.

BATTERY PROTECTION CIRCUIT AND ELECTRONIC CIGARETTE

The present utility model belongs to the field of electronic devices. Disclosed are a battery protection circuit and an electronic cigarette. The battery protection circuit comprises a first protection chip, and the first protection chip comprises a power supply input end and a power supply output end, the power supply input end being connected to a voltage bus end of a charging interface, the power supply output end being connected to a battery assembly by means of a charging circuit; when the voltage of the power supply input end is greater than a safety threshold, the first protection chip disconnects the circuit connection between the power supply input end and the power supply output end; when the voltage of the power supply input end is less than or equal to the safety threshold, the first protection chip connects the circuit between the power supply input end and the power supply output end. The present invention solves the problem in the related art that the voltage at a charging interface is too high when a charging circuit fails, easily causing burning of a charging chip and a control chip, resulting in battery damage or fire. 11111111112. A battery protection circuit , characterized in that , the battery protection circuit comprises a first protection chip (U) , and the first protection chip (U) comprises a power input terminal () and a power output terminal () , wherein:{'b': 111', '113', '3', '112', '200, 'the power input terminal () is connected to a voltage bus terminal () of a charging interface (J), and the power output terminal () is connected to a battery assembly through a charging circuit ();'}{'b': 111', '11', '111', '112, 'when voltage of the power input terminal () is greater than a safety threshold, the first protection chip (U) disconnects the circuit connection between the power input terminal () and the power output terminal ();'}{'b': 111', '11', '111', '112, 'when the voltage of the power input terminal () is less than or equal to the ...

Battery pack and electric bike including the same

A battery pack includes a battery, a battery management system (BMS), a charge switch, a discharge switch, and a tilt sensor. The BMS monitors voltage and current states of the battery and control charge and discharge operations of the battery. The charge and discharge switches operate based on control signals from the BMS. The BMS measures a variation in tilt angle of the battery pack or a load based on tilt information sensed by the tilt sensor, and turns off the discharge switch when the tilt angle variation is equal to or less than a first critical value for a preset time period. The load may be an electric vehicle or another type of load.

BATTERY DEVICE AND VEHICLE

A device according to an embodiment includes at least one assembled battery; first switches that switch an electrical connection state of main circuits connected between the assembled battery and the load; second switches that switch an electrical connection state of second main circuits branched from the main circuits and are connected between the assembled battery and the load; a BMU that controls operations of the first switches based on an operation command supplied from the load; and a power supply circuit that supplies power to the BMU and second switches when a start command supplied from the outside is ON. 1. A battery device comprising:at least one assembled battery;a first main switch that switches an electrical connection state of a main circuit connected between the assembled battery and a load;a second main switch that switches an electrical connection state of a second main circuit which is branched from the main circuit and connected between the assembled battery and the load;a battery management circuit that controls an operation of the first main switch based on an operation command supplied from the load; anda power supply circuit that supplies power to the battery management circuit and the second main switch when a start command supplied from the outside is ON.2. The battery device according to claim 1 , further comprising:a battery monitoring circuit that detects a voltage and a temperature of the assembled battery and transmits them to the battery management circuit,wherein the battery management circuit is configured to determine whether or not the assembled battery is normal based on information of the voltage and temperature obtained from the battery monitoring circuit, and is configured, when it determines that the assembled battery is abnormal, to transmit a shutdown control signal to the power supply circuit, andwherein the power supply circuit is configured, when it receives the shutdown control signal, to stop power supply to the ...

Battery Protection Mode

Techniques for a battery protection mode are described. According to techniques described herein, an electronic device can operate in a standard charging mode where a battery of the device is permitted to be charged to full capacity. However, when a trigger event occurs, the electronic device transitions to a battery protection mode where a maximum permitted charge for the battery is reduced from the standard charging mode.

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.

Batteries for use in implantable medical devices

Multi-cell battery packs can be made safer with certain features that mitigate the consequences of cell failure. Parameters of a cell are monitored to determine when the cell should be disconnected from the pack in case of a fault. The battery is reconfigured to continue operating in a safer mode. An over-charging prevention system reduces the maximum voltage that remaining battery pack can be charged to, so that the cells do not overcharge. Additional circuitry allows the disconnected cell to be periodically reconnected to the battery pack to determine if its conditions have sufficiently improved. The cells also include components for self-powering these cell functions while it is disconnected from the rest of the circuit.

Secondary battery protection circuit

A secondary battery protection circuit includes a first terminal connected to a power supply path between a secondary battery and a MOS transistor, a second terminal connected to the power supply path between a load and the MOS transistor, a third terminal connected to a gate of the MOS transistor, a fourth terminal connected to a back gate of the MOS transistor, a control circuit that outputs a switch control signal based on a detected abnormal state of the secondary battery, and a switch control circuit including a first switch for connecting the fourth terminal with the first terminal and a second switch for connecting the fourth terminal with the second terminal. At least one of the resistance between the fourth terminal and the first terminal and the resistance between the fourth terminal and the second terminal is greater than the on resistance value of the MOS transistor.

METHOD AND APPARATUS FOR CONTROLLING CHARGE

A method for controlling charging includes: determining charge cycle counts of a battery; obtaining a set charge cut-off current corresponding to the charge cycle counts based on a preset charge strategy; adjusting a charge cut-off current of the battery according to the set charge cut-off current corresponding to the charge cycle counts to control a charge volume of the battery. 1. A method of controlling charge , comprising:determining charge cycle counts of a battery;obtaining a set charge cut-off current corresponding to the charge cycle counts based on a preset charge strategy; andadjusting a charge cut-off current of the battery according to the set charge cut-off current corresponding to the charge cycle counts to control a charge volume of the battery.2. The method according to claim 1 , wherein obtaining the set charge cut-off current corresponding to the charge cycle counts based on the preset charge strategy comprises:for each increase of N cycles, increasing the set charge cut-off current by X milliamperes based on an initial charge cut-off current, wherein N and X are respectively natural number;wherein, the set charge cut-off current reaches a maximum value after the charge cycle counts reach a threshold.3. The method according to claim 1 , further comprising:after the charge cycle counts reach a first preset threshold, for each increase of M cycles, generating a first prompt, so that a user determines whether to enter a battery charge protection mode based on the first prompt, wherein M is a natural number; andstopping charging the battery after the charge volume of the battery reaches a set charge volume in the battery charge protection mode, wherein the set charge volume is smaller than a full charge volume of the battery.4. The method according to claim 3 , wherein the set charge volume is 70%-90% of the full charge volume.5. The method according to claim 3 , further comprising:after the charge cycle counts reach a second preset threshold, for each ...

Battery protection circuit package and method of fabricating the same

A method of fabricating a battery protection circuit package according to one aspect of the present invention includes forming a first mounting structure by mounting battery protection circuit elements on a printed circuit board (PCB), forming a second mounting structure by mounting the first mounting structure on a lead frame which comprises an input/output terminal portion for external connection and at least one metal tab for battery cell connection, forming an encapsulation structure by encapsulating the second mounting structure with a molding material to encapsulate at least a part of the battery protection circuit elements while exposing the input/output terminal portion and the at least one metal tab of the lead frame, and bonding at least one flexible printed circuit board (FPCB) to the input/output terminal portion of the encapsulation structure.

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.

Wireless Charging Device

A wireless charging device comprises a transmitter coupled to at least one transmitting antenna and operable to cause the at least one transmitting antenna to emit electromagnetic radiation; a conductive structure adapted to confine the electromagnetic radiation to a charging zone; and a detector for detecting a degree of impedance mismatch between the transmitter and the at least one transmitting antenna. A receiver for use with the wireless charging device and a wireless charging system are also disclosed.

Control apparatus

A control apparatus is used for an electric electric vehicle. The electric vehicle charges a storage battery with electric power that is supplied while traveling in a power supply lane that is a travelling road on which contactless power supply is able to be performed. The control apparatus for the electric vehicle includes a charging control unit and a range changing unit. The charging control unit controls charging of a storage battery of an electric vehicle such that a charge amount of the storage battery falls within a target range that is a preset range. The range changing unit changes at least one of an upper limit value and a lower limit value of the target range based on a state of the electric vehicle.

SEMICONDUCTOR DEVICE AND CHARGE CONTROL SYSTEM

A structure that includes a circuit for controlling the safe operation of a secondary battery but can overcome space limitations owing to miniaturization of the housing is provided. A charge control circuit is provided over a flexible substrate and bonded to an external surface of the secondary battery. The charge control circuit is electrically connected to at least one of two terminals of the secondary battery and controls charging. To prevent overcharge, both an output transistor of a charging circuit and a blocking switch are brought into off state substantially concurrently. Blocking two paths which connect to the battery can quickly stop charging when overcharge is detected and reduce damage to the battery owing to the overcharge. 1. A charge control system comprising:a secondary battery;a first transmission path which is connected to a first terminal of the secondary battery and through which electric power output from the secondary battery is transmitted at the time of discharging;a charge control circuit which is connected to the first transmission path and over a flexible substrate so as to be in contact with a side surface of the secondary battery;a second transmission path which connects the charge control circuit and a second terminal of the secondary battery;a first switch which blocks the second transmission path;a charging circuit electrically connected to the charge control circuit;a power receiving circuit electrically connected to the charging circuit;an antenna electrically connected to the power receiving circuit;a third transmission path through which electric power is supplied from the power receiving circuit through the charging circuit to the secondary battery at the time of charging; anda second switch which blocks the third transmission path and is an output transistor of the charging circuit,wherein the first switch blocks the second transmission path when the secondary battery is overcharged,wherein in the case where the charge control ...

CHARGE/DISCHARGE CONTROL CIRCUIT AND BATTERY DEVICE PROVIDED WITH SAME

Provided is a charge/discharge control circuit controllable by a control signal from a controller that is external. The charge/discharge control circuit includes a control circuit configured to, in response to a power-down control signal for transitioning to a power-down state being input from the controller, latch the power-down control signal and block a discharge path from a secondary cell (SC) to the controller. 1. A charge/discharge control circuit controllable by a control signal from a controller that is external , the charge/discharge control circuit comprising:a control circuit configured to, in response to a power-down control signal for transitioning to a power-down state being input from the controller, latch the power-down control signal and block a discharge path from a secondary cell to the controller.2. The charge/discharge control circuit according to claim 1 ,wherein the control circuit is configured to output a discharge inhibit signal for turning off a discharge control FET connected between the secondary cell and the controller and block the discharge path.3. The charge/discharge control circuit according to claim 2 ,wherein the control circuit comprising:a latch portion configured to latch the power-down control signal input from the controller and output a latch signal corresponding to the power-down control signal being latched, anda driver configured to output the discharge inhibit signal in response to the latch signal being input from the latch portion.4. A battery device comprising:a secondary cell;a controller connected to the secondary cell and configured to output a power-down control signal for transitioning to a power-down state;a discharge control FET connected between the secondary cell and the controller; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the charge/discharge control circuit according to connected to the secondary cell in parallel with the controller.'}5. A battery device comprising:a secondary cell;a ...

Battery protection circuit

A battery protection system with a voltage sensing circuit for sensing the voltage of a battery and disconnecting all loads from the battery, including the voltage sensing circuit itself, when the voltage of the battery drops below a preset limit or when a battery charger is connected to the battery. The battery protection system reconnects the voltage sensing circuit upon disconnection of the battery charger.

UNMANNED AERIAL VEHICLE AND MOVING BODY

An unmanned aerial vehicle that can be disabled when it detects a phenomenon causing a malfunction of a battery is provided. The unmanned aerial vehicle is capable of carrying a detachable battery and has a battery pack, sensors detecting a phenomenon causing a malfunction of the battery pack, a memory storing the detection signal of the sensors, and cutoff circuits cutting off a power supply line from the battery pack by the detection signal. The sensor is an aerial vehicle side sensor equipped outside of the battery and on an unmanned aerial vehicle side. The memory is equipped in the battery and stores the detection signal of the aerial vehicle side sensor received through a connector connecting the battery and the unmanned aerial vehicle. The cutoff circuit is equipped on the unmanned aerial vehicle side and cuts off the power supply line from the battery pack. 1. (canceled).2. An unmanned aerial vehicle , capable of carrying a detachable battery , comprising: a battery pack having a battery cell , a sensor detecting a phenomenon causing a failure in a function of the battery pack , a memory storing a detection signal of the sensor , and a cutoff circuit cutting off a power supply line an output from the battery pack by the detection signal ,wherein the sensor is an aerial vehicle side sensor equipped outside of the battery and on an unmanned aerial vehicle side;wherein the memory is equipped in the battery and stores the detection signal of the aerial vehicle side sensor received through a connector connecting the battery and the unmanned aerial vehicle; andwherein the cutoff circuit is equipped on the unmanned aerial vehicle side and cuts off the power supply line output from the battery pack by inputting the a detection signal of the aerial vehicle side sensor stored in the memory to a switch controller controlling the cutoff circuit.3. The unmanned aerial vehicle according to claim 2 , wherein the aerial vehicle side sensor is a sensor detecting an impact.4. ...

Laundry processing apparatus and control method thereof

The present invention relates to a laundry processing apparatus and a control method thereof. A laundry processing apparatus operated by means of a motor, which has a plurality of washing units for performing washing independently of each other, charges a current generated during braking of a motor provided in each of the first washing unit and the second washing unit in a battery provided therein and uses the charged power at the next driving of the motor, thereby preventing the wasting of energy and reducing energy consumption even when power consumption is increased due to a simultaneous operation of the first washing unit and the second washing unit.

Method and device for fast-charging of rechargeable batteries

A system and method for fast charging of a lithium-ion battery, including: continuously monitoring a state of charge (SOC) of the lithium-ion battery; during a normal mode of operation and upon detecting that the battery is at the predetermined low charge level, discontinuing the discharge; upon detecting that the battery is connected to a charger, providing charging rate of at least 4C for at least part of charging; and upon detecting that the battery, while connected to the charger is at the predetermined high charge level, discontinue the charging, wherein the predetermined low charge level and the predetermined high charge level define a consumable capacity of the battery, wherein the consumable capacity is below 50% of the full capacity of the battery.

Secondary battery protecting circuit and hybrid power source equipment

Disclosed herein is a secondary battery protecting circuit connected in parallel with a nonaqueous secondary battery, the secondary battery protecting circuit including: a first voltage detecting circuit; a second voltage detecting circuit; a switch section; and a heat radiating section.

Apparatus for Management of a Battery, Vehicle System Having the Same and Method Thereof

The present disclosure relates to a battery management apparatus, a vehicle system including the same, and a battery management method. An exemplary embodiment of the present disclosure provides a battery management apparatus including: a processor configured to create a profile depending on a voltage of a battery cell when charging a battery, to determine uniformity of the battery cell based on the profile, and to perform battery management and control by using the uniformity; and a storage configured to store a profile for each battery cell, and an algorithm and data driven by the processor. 1. A battery management apparatus comprising:a processor configured to create a profile depending on a voltage of a battery cell when charging a battery, to determine uniformity of the battery cell based on the profile, and to perform battery management and control by using the uniformity; anda storage configured to store a profile for each battery cell, and an algorithm and data driven by the processor.2. The battery management apparatus of claim 1 , wherein the processor creates the profile based on a value obtained by dividing a capacity change amount by a voltage change amount during charging or discharging of the battery cell.3. The battery management apparatus of claim 1 , wherein the profile for each battery cell is stored by mapping it to a C-rate claim 1 , which is an amount of current that can fully charge the battery for a predetermined time.4. The battery management apparatus of claim 3 , wherein the processor estimates the C-rate by comparing a profile created when the battery is charged with the profile for each battery cell stored in the storage claim 3 , and determines uniformity depending on the C-rate.5. The battery management apparatus of claim 4 , wherein the uniformity decreases as the C-rate increases.6. The battery management apparatus of claim 3 , wherein the processor estimates a deterioration degree of the battery by using a change in C-rates of the ...

Battery management apparatus and method

A battery management apparatus and method for use in an electrical vehicle has a plurality of individual batteries 34 provided within a battery pack 10 . The battery pack is coupled to power vehicle traction 12 and a plurality of individually connectable vehicle appliances 18 - 26 . A monitor keeps track of charge state by means of a battery monitor 44 on each battery relaying instant current to a processor 27 . In a first embodiment, a charge allocation profile for the whole battery pack 10 is used where different appliances 18 - 26 have different amounts of charge capacity allocated to them and are disconnected when discharge exceeds their allocation and are reconnected during charging when their charge is again found. In a second embodiment, individual batteries 34 and appliances 18 - 26 are connected within a network configuration allowing anything to be connected to anything else. Battery 10 segments can be created, each having one or more allocated individual batteries and each segment connected to selectable services 12 18 - 26 within the electric vehicle. Segmentation patterns can be changed. A segment charge allocation profile can be used within each segment in much the same way that the charge allocation profile can be used and changed for the first embodiment. Progressive charging and discharging of the battery is the end result.

Support plate for protection module and battery module having the same

A support plate for a protection module, and a battery module including the same. A support plate for a protection module of a battery module includes: a plate-shaped plate portion; and a support unit protruded or recessed from the plate portion and coupled to a protection member configured to control charging and discharging of a rechargeable battery, and the plate portion and the support unit are integrally formed.

CHARGING APPARATUS

A charging apparatus is provided. A detection circuit includes a voltage dividing path between an output terminal of a charging circuit and an output terminal of a reference voltage generating circuit. The detection circuit provides a detection signal according to a divided voltage on the voltage dividing path. A control circuit determines whether a load is connected to the charging apparatus according to the detection signal. 1. A charging apparatus , comprising:a power supply;a charging circuit, coupled to the power supply, and providing a charging voltage according to the power supply;a reference voltage generating circuit, coupled to the power supply, and providing a reference voltage according to the power supply;a detection circuit, coupled to the charging circuit and the reference voltage generating circuit, the detection circuit comprising a voltage dividing path located between an output terminal of the charging circuit and an output terminal of the reference voltage generating circuit, and the detection circuit providing a detection signal according to a divided voltage on the voltage dividing path; anda control circuit, coupled to the reference voltage generating circuit, the detection circuit and the charging circuit, and determining whether a load is connected to the charging apparatus according to the detection signal and a charging current of the charging circuit.2. The charging apparatus as claimed in claim 1 , wherein the control circuit further determines a charging status of the load according to the charging current of the charging circuit.3. The charging apparatus as claimed in claim 1 , wherein the detection circuit comprises:a diode, having an anode coupled to the output terminal of the reference voltage generating circuit;a resistor, coupled between a cathode of the diode and the output terminal of the charging circuit;a voltage dividing circuit, coupled to a common node of the diode and the resistor, and dividing a voltage on the common node ...

Apparatus and Method for Preventing Overcharge

An apparatus and method for protecting each of a plurality of cell stacks included in a battery pack from overcharge. The overcharge prevention apparatus prevents the overcharge of a plurality of cell stacks connected in series within a high current path. The overcharge prevention apparatus includes a voltage measuring unit configured to measure voltage of each cell stack, and generate a first monitoring signal indicating the measured voltage, a current regulating unit configured to selectively provide a bypass path to each cell stack, and a controller connected to the voltage measuring unit and the current regulating unit allowing communication. The controller is configured to control the current regulating unit based on the first monitoring signal from the voltage measuring unit.

Led emergency light

An LED emergency light may comprise a controller, an LED light, a battery set, a transformer, and a circuit breaker. The controller has an input end and an output end which are respectively electrically connected to the transformer and electrically connected to the battery set and LED light. Also, the LED light is electrically connected to the battery set while the transformer is electrically connected to a power supply and the circuit breaker. The controller is electrically connected to a dynamic sensor configured to detect movements of objects in a preset detecting area and to coordinate with the controller, thereby generating on/off light signals to the LED light. The LED light can be powered by the power supply in normal condition and powered by the battery set when the power supply is cut, which simplifies the control circuit and provides lighting when detecting objects and when emergency.

Battery management device, vehicle having the same, and method for controlling the vehicle

A battery management device for preventing a battery from being damaged by a low voltage includes a storage configured to store a first protection voltage and a second protection voltage corresponding to a protection mode of the battery; a voltage detector configured to detect a voltage of the battery; a controller configured to confirm the detected voltage, to enter the protection mode when the detected voltage of the battery is the first protection voltage, to check a time point when the detected voltage of the battery is the second protection voltage, and to release the protection mode when a predetermined time elapses from the time point.

CONTROL SYSTEM, CONTROL METHOD AND INTEGRATED CIRCUIT FOR SECONDARY BATTERY PROTECTION

A control system includes a secondary battery protection apparatus and a device. The secondary battery protection apparatus includes one or more monitoring terminals each provided in a path different from power paths, each monitoring terminal being operable for monitoring a potential at a negative electrode of a given secondary battery cell among a plurality of the secondary battery cells. The secondary battery protection apparatus includes one or more internal switches each of which is provided in an internal line between the negative electrode of a given secondary battery cell and a given monitoring terminal. The device includes a balance control circuit that adjusts, based on potentials monitored by the monitoring terminals, a current flowing into a line path that includes a corresponding internal line. The balance control circuit controls balance among the cell voltages for the secondary battery cells, based on the adjusted current. 1. A control system comprising:a plurality of secondary battery cells electrically coupled in series;a plurality of power paths each electrically coupled in series with a corresponding secondary battery cell among the plurality of secondary battery cells;at least one switching element inserted in a given power path;a secondary battery protection apparatus configured to control the switching element such that the secondary battery cells are protected; anda device configured to control balance among cell voltages for the respective secondary battery cells, an anomaly detecting circuit configured to detect an anomaly of the secondary battery cells;', 'one or more monitoring terminals each provided in a path different from the power paths, each monitoring terminal being operable for monitoring a potential at a negative electrode of a given secondary battery cell among the plurality of the secondary battery cells;', 'one or more internal lines, each internal line being between the negative electrode of the given secondary battery cell and ...

BATTERY OVERCHARGING PREVENTION DEVICE AND BATTERY OVERCHARGING PREVENTION METHOD USING SAME

A battery overcharge preventing device according to an embodiment of the present invention includes: a voltage distribution unit connected to both ends of at least one battery cell in a battery module including multiple battery cells, the voltage distribution unit being configured to distribute a voltage of the at least one battery cell according to a preset ratio; a voltage sensing unit operating so as to allow a control current to flow when the voltage distributed by the voltage distribution unit is greater than a preset reference voltage; and a second relay configured to block, by operation of the voltage sensing unit, operation of a first relay that establishes an electrical connection between the battery module and a charging module.

BATTERY PROTECTION CIRCUIT AND BATTERY APPARATUS INCLUDING THE SAME

A battery protection circuit includes: a voltage divider connected in parallel to an outer terminal, and configured to output a divided voltage; a controller configured to output an overvoltage determination signal based on the divided voltage that is input thereto; a logic portion configured to output a switching control signal based on the overvoltage determination signal and the divided voltage that are input thereto; and a switching portion configured to control a connection between a battery module and the outer terminal according to the switching control signal. 1. A battery protection circuit , comprising:a voltage divider connected in parallel to an outer terminal, and configured to output a divided voltage;a controller configured to output an overvoltage determination signal based on the divided voltage that is input thereto;a logic portion configured to output a switching control signal based on the overvoltage determination signal and the divided voltage that are input thereto; anda switching portion configured to control a connection between a battery module and the outer terminal according to the switching control signal.2. The battery protection circuit as claimed in claim 1 , wherein:the logic portion includes an AND gate and an inverter,the inverter receives the divided voltage from the voltage divider, and outputs an inverter output signal to the AND gate, andthe AND gate receives the overvoltage determination signal and the inverter output signal to output the switching control signal.3. The battery protection circuit as claimed in claim 2 , wherein claim 2 , when the divided voltage is greater than or equal to a predetermined first voltage claim 2 , the inverter output signal and the overvoltage determination signal are low level signals.4. The battery protection circuit as claimed in claim 3 , wherein the switching portion is opened by the switching control signal when the switching control signal is a low level signal.5. The battery protection ...

Overcharge protection apparatus with minimized power consumption

Disclosed herein is an overcharge protection apparatus with minimized power consumption. An overcharge protection apparatus with minimized power consumption according to an embodiment includes a switching unit for controlling supply of voltage detected in a battery cell depending on an ignition-on or off state of a vehicle, and an overcharge prevention circuit for when the battery cell is overcharged based on the voltage of the battery cell output from the switching unit, turning off a main relay, thus interrupting supply of power to a battery module, so that the voltage of the battery cell is detected only in an ignition-on state of a vehicle and power consumption is Minimized, thus preventing the lifespan of a battery from being shortened by reducing a voltage difference between cells.

Semiconductor package

The present invention provides a semiconductor package, comprising: a support part; a semiconductor chip provided on the support part and including a plurality of signal pads; a buffer layer provided on the semiconductor chip; an adhesive layer provided on the buffer layer; a pressure-reducing layer provided on the adhesive layer; and a mold layer provided on the pressure-reducing layer.

BALANCED DISCHARGE IN MULTI-BATTERY SYSTEM

A multi-battery system implements operations to equalize discharge path impedance. The system includes first and second batteries of different capacities each coupled to a battery rail that supports source load electronics. The system includes charge control electronics configured to decouple the first battery from the battery rail when the discharge path of the first battery and the discharge path of the second battery have unequal impedance and to recouple the first battery to the battery rail when the discharge path of the first battery and the discharge path of the second battery have substantially equal impedance. 1. A system comprising:a first battery with a first discharge path coupled to a battery rail supporting source load electronics;a second battery with a second discharge path coupled to the battery rail; and{'claim-text': ['decouple the first battery from the battery rail when the first discharge path of the first battery and the second discharge path of the second battery have unequal impedance;', 'recouple the first battery to the battery rail when the first discharge path of the first battery and the second discharge path of the second battery have substantially equal impedance.'], '#text': 'charge control electronics configured to:'}2. The system of claim 1 , wherein the first battery has a lower capacity than the second battery and the control electronics are further configured to decouple the first battery from the battery rail to prevent the first battery from discharging when an impedance on the first discharge path of the first battery is lower than an impedance on the second discharge path of the second battery of larger capacity.3. The system of claim 1 , wherein the time that the first battery is decoupled from the battery rail corresponds to a time when an overcharge protection mechanism is disabled with respect to the first battery and enabled with respect to the second battery claim 1 , the overcharge protection mechanism preventing ...

PROTECTION CIRCUIT FOR SECONDARY BATTERY AND SECONDARY BATTERY MODULE

A secondary battery deteriorates due to repeated charging and discharging, which leads to a decrease in a battery voltage and a battery capacity. The lifetime of a secondary battery is prolonged by preventing charging at an excessive charging value that would be caused by deterioration of the secondary battery. By performing charge control in consideration of the degree of deterioration of a secondary battery, a longer lifetime of a secondary battery can be achieved. In charging a secondary battery, a charge control circuit controls a current value to a preset value, and a charging current control circuit (specifically a circuit including an error amplifier) included in a protection circuit determines a current value supplied to the secondary battery. That is, the current value supplied to the secondary battery is controlled by both the charge control circuit and the charging current control circuit that is a part of the protection circuit. 1. A secondary battery module comprising:a secondary battery;an overcharge detection circuit electrically connected to the secondary battery;an overdischarge detection circuit electrically connected to the secondary battery;a first transistor for discharge control electrically connected to the secondary battery; anda second transistor for charge control electrically connected in series to the first transistor,wherein a gate of the second transistor is connected to an output terminal of an error amplifier,wherein the output terminal of the error amplifier is electrically connected to the overcharge detection circuit,wherein a gate of the first transistor is electrically connected to the overdischarge detection circuit,wherein a resistor is included between the secondary battery and the first transistor,wherein a first input terminal of the error amplifier receiving a reference voltage is electrically connected to the secondary battery, andwherein a second input terminal of the error amplifier receiving a feedback signal is ...

Method and apparatus for battery charging

An electronic device comprising: an interface arranged to connect to an external power supply device and supply power to a battery; a sensor unit arranged to measure a temperature of the electronic device; and a power management unit configured to charge the battery based on the temperature.

Charging method, charging controller and charging system

A charging method, a charging controller and a charging system are provided. The method includes the following steps: when a power receiving device is charged by a charging device through a transmission cable with a charging voltage, a current passing through a battery charging circuit is detected by a sensor. The charging information associated with the current is sent to a transmission module of the power receiving device through a monitoring program, and then the charging information is sent back to the charging device by the transmission module through the communication channel of the transmission cable. The transmission module of the charging device determines whether the charging information is satisfied with the stop condition. If so, the charging voltage is maintained to charge the power receiving device continuously. If not, the output charging voltage is gradually adjusted until the stop condition is satisfied.

PROTECTING A BATTERY IN A BATTERY PACK

In a portable device, a load module includes a discharge switch for discharging a battery pack, and a detection circuit that detects a protection signal to control the discharge switch. A charge module includes a charge switch for charging the battery pack, and a detection circuit that detects the protection signal to control the charge switch. The battery pack includes a protection terminal that provides the protection signal, and protection circuitry that sets the protection signal to a state according to the battery pack's status. The protection signal turns the charge switch on and the discharge switch off if the protection signal is in a first state, turns the charge switch off and the discharge switch on if it's in a second state, turns the charge and discharge switches off if it's in a third state, and turns the charge and discharge switches on if it's in a fourth state. 1. A portable device comprising:a load module comprising: a discharge switch configured to allow a discharging current of a battery to flow through said discharge switch to power said load module, and a first detection circuit configured to detect a protection signal, thereby controlling said discharge switch based on said protection signal;a charge module comprising: a charge switch configured to allow a charging current to flow through said charge switch to charge said battery, and a second detection circuit configured to detect said protection signal, thereby controlling said charge switch based on said protection signal; and a protection terminal that provides said protection signal to protect said battery; and', 'protection circuitry, coupled to said protection terminal, that sets said protection signal to a state of a plurality of states according to a status of said battery, thereby controlling said charge switch and said discharge switch, wherein said plurality of states comprise a first state, a second state, a third state, and a fourth state, and wherein:', 'said protection signal, ...

Battery management control method

A battery management method and apparatus. In one embodiment of the method, a source current is divided into Ic and Icr. Ic is transmitted to and charges a battery. A first voltage is generated that is related to Icr. The first voltage is converted into a first digital signal. A processing unit receives and processes the first digital signal in accordance with instructions stored in a memory. The transmission of Ic to the battery is interrupted in response to the processing unit processing the first digital signal. Current provided by the battery is divided into Idc and Idcr. Idc is transmitted to a device. A second voltage is generated that is related to Idcr. The second voltage is converted into a second digital signal. The processing unit receives and processes the second digital signal in accordance with instructions stored in the memory. The transmission of Idc to the battery is interrupted in response to the processing unit processing the second digital signal.

Semiconductor device and manufacturing method thereof

A source electrode can be patterned well in response to the densification of a semiconductor device. A first MOS transistor element is formed in a first element region and a second MOS transistor element is formed in a second element region. A first source electrode is arranged so as to straddle a first gate electrode and cover a first source layer located on both one side and the other side in a gate length direction with the first gate electrode interposed. A second source electrode is arranged so as to straddle a second gate electrode and cover a second source layer located on both one side and the other side in the gate length direction with the second gate electrode interposed.

Method for wireless charging power control

A method for wireless charging power control is disclosed. In a wireless charging system, a wireless radio frequency (RF) charging signal transmitted by a wireless charging station is harvested and converted to a direct-current (DC) charging signal to charge a battery. To prevent overcharging damage to the battery, an effective charging power in the DC charging signal is measured and compared to a target charging power required by the battery. A battery charging signal indication (BCSI) is provided to the wireless charging station to decrease the effective charging power if the effective charging power is greater than the target charging power, or to increase the effective charging power if the effective charging power is less than the target charging power. By dynamically adjusting the effective charging power, it is possible to provide fast charging to the battery while protecting the battery from overcharging damage.

Battery Charging Control Method and System

A battery charging control method includes receiving a destination input to a navigation device. When a vehicle starts, a switch is turned on to charge a battery. When a State Of Charge (SOC) of the battery becomes larger than a preconfigured value, the switch is turned off for a first time interval derived on the basis of an estimated destination arrival time derived from the navigation device. The switch is turned on again at a time point at which the first time interval has passed. The switch i turned on again to charge the battery for a second time interval.

Two-terminal electrical protective device

An electrical circuit includes a switch, an energy harvesting circuit coupled to the switch to collect power from the voltage drop across the switch, and a control circuit coupled to the energy harvesting circuit to maintain the switch in an ‘on’ state in response to current flow through the switch and to turn off the switch in response to no current flow through the switch.

Switch failure diagnosis device and electric storage apparatus

A switch failure diagnosis device for using in a current path between an electric device and an electric storage device includes plural switches, a switch terminal voltage detector, and a controller. The switches are connected parallel to each other in the current path. The switch terminal voltage detector outputs a switch terminal voltage detection signal. The controller is configured to select the switches at different time in sequence and input an open instruction signal to each switch at the time when the switch is selected, and to determine, based on the switch terminal voltage detection signal output while the open instruction signal is given, that at least one of the switches has a failure if the detected voltage is in a failure determination range.

Vehicle and method of warning a vehicle operator of an impending shutdown of an electrical outlet on the vehicle

A vehicle powertrain includes a battery, an electric machine, an electrical circuit, an electrical outlet, and a controller. The electric machine is configured to receive electrical power from the battery to propel the vehicle and to deliver electrical power to the battery to recharge the battery. The electrical circuit is configured to transfer electrical power between the battery and the electric machine. The electrical outlet is configured to deliver power from the electrical circuit to an external device that is connected to the outlet. The controller is programmed to, in response to a first set of conditions that is indicative of the vehicle powertrain overheating or a second set of conditions that is indicative of an inability to charge the battery to a requested charge value, issue a warning of an impending shutdown of the electrical outlet.

Battery boost apparatus

A device for jump starting a vehicle with a depleted vehicle battery includes a power supply, a detecting unit, a microcontroller unit (MCU), and two output ports. At least one of the at least one of the two output ports may include a clamp. The detecting unit may be configured to detect a signal indicative of an open/closed state of the clamp. The microcontroller unit (MCU) may be configured to cut off an electrical connection of the clamp with a power supply of a booster basing on the detected signal indicative of the closed state of the clamp.

Energy storage apparatus and restart method for engine of idling-stop vehicle

An energy storage apparatus for supplying electric power to auxiliaries and a starter that starts an engine of an idling-stop vehicle, the energy storage apparatus including: an energy storage device; a measurement part (current sensor) that measures a physical quantity relating to a voltage drop of the energy storage device; and a management part that manages the energy storage device. The management part executes an estimation process of estimating, based on the physical quantity, a minimum voltage of the energy storage device during restart of the engine at a predetermined time point during idling-stop of the idling-stop vehicle, and a notification process of notifying a restart request for the engine to the idling-stop vehicle when the minimum voltage is less than a predetermined threshold.

System and method for charging a vehicle battery

A system for charging a vehicle battery includes a relay configured to establish/interrupt electrical connection between the vehicle battery and a vehicle system supplied with power from the vehicle battery, and a controller. The controller is configured to monitor a voltage of the battery, control the relay to interrupt the electrical connection when a voltage of the battery is less than or equal to a first predetermined reference value, and control the relay to establish the electrical connection when a predetermined condition is satisfied while the relay is electrically disconnected. The controller controls the relay to be electrically connected to charge the battery through an external power source while the electrical connection is interrupted, and then control a connection state of the relay based on the voltage of the battery, a voltage and current of the relay at a side of the vehicle system, and whether a vehicle is started.

BATTERY CONTROL DEVICE AND SHORT-CIRCUIT DETECTION METHOD THEREOF

A battery control device includes: a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit including: a first switch connected between a positive terminal for the first battery module and the external load; a second switch connected between a negative terminal for the first battery module and the external load; and a first controller configured to control an open/closed state of the first and second switches. The first controller may be configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed. 1. A battery control device , comprising: a first switch connected between a positive terminal for the first battery module and the external load;', 'a second switch connected between a negative terminal for the first battery module and the external load; and', 'a first controller configured to control an open/closed state of the first and second switches,, 'a first battery control unit configured to control an electrical connection between an external load and a first battery module, the first battery control unit includingwherein the first controller is configured to detect a short-circuit between the external load and the first battery control unit, according to a voltage between both ends of the first switch detected with the first switch open and the second switch closed.2. The battery control device as claimed in claim 1 , further comprising a connecting device connected to the first battery control unit claim 1 , the connecting device including:a first main switch configured to electrically connect the first switch and a first terminal of the external load, anda second main switch configured to electrically connect the second switch and a second terminal of the external load.3. The battery control ...

SWING CAR CONTROLLER

The invention discloses a swing car controller, comprising left and right motor control boards, the left is arranged close to the left motor, and the same for the right; the left connects the left motor and a left car body attitude sensor; the left car body attitude sensor collects the left pedal attitude information and sends to the left motor control board, which controls the left motor for normal operation through a left motor vector drive circuit. The motor control board is divided into left and right parts; the left collects the left pedal information and controls the left motor to operate normally, and the same for the right; the distances between the motor phase wires and HALL wires on both sides to the left and right control boards are the shortest, which reduces line impedance and line interference, improves vehicle control performance, and makes vehicle operation more stable. 1121326. A swing car controller , comprising a left motor control board () and a right motor control board () , wherein the left motor control board () is arranged close to the left motor () , and the right motor control board () is arranged close to the right motor ();{'b': 1', '3', '4', '4', '1', '1', '3', '5', '4', '5', '1, 'the left motor control board () connects the left motor () and a left car body attitude sensor (); the left car body attitude sensor () collects the left pedal attitude information and sends the information to the left motor control board (); the left motor control board () controls the left motor () for normal operation through a left motor vector drive circuit (); the left car body attitude sensor () and the left motor vector drive circuit () are integrated on the left motor control board ();'}{'b': 2', '6', '7', '7', '2', '2', '6', '8, 'the right motor control board () connects the right motor () and a right car body attitude sensor (); the right car body attitude sensor () collects the right pedal attitude information and sends the information to the right ...

System for limiting inrush current in a battery endpoint

Described is a system that includes a solid-state switch in series with a battery and a controller. The system also includes a capacitor coupled between a source and a gate of the solid-state switch and a resistor coupled between the gate of the solid-state switch and ground. The solid-state switch gradually transitions from an open state to a closed state over a time constant of the capacitor and the resistor upon application of power from the battery to the solid-state switch. The system further includes a first switching device that controls the application of power from the battery to the solid-state switch. Additionally, the system includes a second switching device that provides a discharge path of the capacitor upon completion of a task by the controller.

ELECTRIC STORAGE SYSTEM

A switching unit is included, which is arranged between a first electric storage unit of a first electric storage device configured to be connectable in parallel with a second electric storage device and a wire electrically connecting the first electric storage device and the second electric storage device, and which is configured to switch a electrical connection relationship of the wire and the first electric storage unit. A restricting unit is included, which is connected in parallel with the switching unit between the wire and the first electric storage unit, has a higher resistance than the switching unit, and is configured to cause a current to flow in the direction from the wire to the first electric storage unit and suppress current flowing in the direction from the first electric storage unit to the wire. 1. An electric storage system comprising:a switching unit which is arranged between a first electric storage unit of a first electric storage device configured to be connectable in parallel with a second electric storage device and a wire electrically connecting the first electric storage device and the second electric storage device, the switching unit being configured to switch an electrical connection relationship between the wire and the first electric storage unit; anda restricting unit which is connected in parallel with the switching unit between the wire and the first electric storage unit, has a higher resistance than the switching unit, and is configured to cause a current to flow in a direction from the wire to the first electric storage unit and suppress a current flowing in a direction from the first electric storage unit to the wire, whereinthe first electric storage unit includes a plurality of first electric storage cells connected in series,the second electric storage device has a second electric storage unit including a plurality of second electric storage cells connected in series,each of the plurality of first electric storage cells is ...

BATTERY CONTROL SYSTEM FOR A HYBRID OR ELECTRIC VEHICLE

A vehicle includes an electric machine, a battery, an electrical circuit, an overcharge limit device, and a controller. The electric machine is configured to propel the vehicle. The battery has a plurality of cells and is configured to provide electrical power to the electric machine. The electrical circuit is configured to deliver the electrical power from the battery to the electric machine. The overcharge limit device is configured to individually disconnect each of the plurality cells from the circuit in response to an internal pressure of a respective cell exceeding a pressure threshold. The controller is programmed to, in response to detecting a first set of parameters that are indicative of a first of the cells being disconnected from the electrical circuit via the overcharge limit device, discontinue control the first of the cells.

SECONDARY BATTERY PROTECTION CIRCUIT, SECONDARY BATTERY PROTECTION APPARATUS AND BATTERY PACK

A secondary battery protection circuit for protecting a secondary battery, including: a low-voltage detecting circuit configured to detect a voltage across the secondary battery that is lower than a second voltage for low voltage detection, the second voltage being set to be lower than a first voltage for overdischarge detection; and a switching circuit configured to cause a gate of a charge control NMOS transistor to be fixed at a potential at a high side power supply terminal, upon detecting, by the low-voltage detecting circuit, that the voltage across the secondary battery is lower than the second voltage for low voltage detection.

SECONDARY BATTERY MANAGEMENT SYSTEM, SECONDARY BATTERY MANAGEMENT METHOD AND SECONDARY BATTERY MANAGEMENT PROGRAM FOR SAID SECONDARY BATTERY MANAGEMENT SYSTEM, AND SECONDARY BATTERY SYSTEM

An object of the present invention is to provide a secondary battery management system, a secondary battery management method and a secondary battery management program for the secondary battery management system, and a secondary battery system with which a target state of charge of a secondary battery can be appropriately set by taking into consideration a degradation degree. A secondary battery management system () includes a setting unit () configured to set a temporary target state of charge of a secondary battery based on a target power amount, an estimating unit () configured to estimate a degradation degree of the secondary battery based on an amount of change in a state of charge of the secondary battery over a predetermined constant-current charging period of the secondary battery, and a calculating unit () configured to calculate a target state of charge of the secondary battery by correcting the temporary target state of charge in accordance with the degradation degree

Bicycle power control apparatus

A bicycle power control apparatus is basically provided with a rectifier, a storage battery, a detection unit and a controller. The rectifier is configured to rectify power generated by an AC generator that is mounted on a bicycle. The storage battery is configured to store DC power outputted by the rectifier. The storage battery is configured to supply the DC power to an electric component that is mounted to the bicycle. The detection unit is configured to detect an electrical signal from the AC generator. The controller is configured to control a ratio of a distributed amount of the DC power to the electric component with respect to a distributed amount of the DC power to the storage battery according to the detection result of the detection unit.

System and Method for Maximizing Battery Capacity while in Long Term Storage

When in long term storage, battery degradation is avoided by performing battery charge cycles at a voltage level where a change in the battery's voltage divided by a change in the battery's storage capacity is at a minimum, rather than discharging the battery to its minimum storage capacity and then charging to its maximum storage capacity. Further, based on physical and practical limitations, such battery charge cycles can instead be performed within a range or delta Depth of Discharge (“DOD”) and corresponding battery voltage levels rather than at a single voltage level, while still avoiding battery degradation.

Secondary battery protection circuit

A secondary battery protection circuit for a secondary battery includes: a reference voltage circuit configured to generate a reference voltage by using a depletion-type transistor and a transistor unit of enhancement type connected in series with the depletion-type transistor; a voltage divider configured to output a detection voltage obtained by dividing a power source voltage of the secondary battery; a detection circuit configured to detect an abnormal state of the secondary battery based on the reference voltage and the detection voltage; a first adjustment circuit configured to adjust a size ratio of the depletion-type transistor to the transistor unit based on threshold voltages of the depletion-type transistor and the transistor unit; and a second adjustment circuit configured to adjust the detection voltage based on the reference voltage after adjusting the size ratio.

Power adapter and terminal

A power adapter ( 200 ) and a terminal ( 100 ). The terminal ( 100 ) comprises a battery ( 110 ) and a charging interface ( 120 ), the terminal ( 100 ) introducing a charging current from the power adapter ( 200 ) via the charging interface ( 120 ) so as to charge the battery ( 110 ); and the terminal ( 100 ) further comprises: a communication unit ( 130 ), the communication unit ( 130 ) performing bi-directional communication with the power adapter ( 200 ) via the charging interface ( 120 ) so as to determine a charging mode of the terminal ( 100 ). The power adapter ( 200 ) negotiates with the terminal ( 100 ) about the charging mode via the communication unit ( 130 ), and the output voltage/output current of the power adapter ( 200 ) is controlled according to the charging mode determined by the communication unit ( 130 ), so that the heating and even burning phenomena of a mobile phone caused by the aimless increase of the voltage or current of the power adapter ( 200 ) can be effectively avoided.

Method for reasonably adjusting end-of-discharge voltage of lithium battery with attenuation of battery life

The present invention provides a method for reasonably adjusting an end-of-discharge voltage of a lithium battery with attenuation of a battery life. The method includes: acquiring an end-of-charge voltage, an end-of-discharge voltage and a rated capacity based on a basic parameter table for a lithium battery, then setting a safety end-of-charge voltage and a safety end-of-discharge voltage to obtain an initial safety discharge capacity, and finally setting a preset discharge capacity of the battery; using an Ampere-hour integration method to estimate a discharged power, taking the preset discharge capacity as a discharge standard, and stopping discharge when the discharged power reaches the preset discharge capacity; and the safety discharge capacity being gradually less than the preset discharge capacity within a battery life cycle, and the battery stopping discharge when the voltage reaches the safety end-of-discharge voltage. By controlling the discharge capacity to be unchanged, the present invention ensures stably outputting power in the case that the battery capacity attenuates, so that a user feels that the endurance mileage of an electric vehicle is stably unchanged within a certain period. The method has the characteristics of simple adjusting control method and convenience in commercialization. 1. A method for reasonably adjusting an end-of-discharge voltage of a lithium battery with attenuation of a battery life , characterized by comprising:step I, acquiring an end-of-charge voltage, an end-of-discharge voltage and a rated capacity based on a basic parameter table for a lithium battery, then setting a safety end-of-charge voltage and a safety end-of-discharge voltage to obtain an initial safety discharge capacity, and finally setting a preset discharge capacity of the battery;step II, using an Ampere-hour integration method to estimate a discharged power, taking the preset discharge capacity as a discharge standard, and stopping discharge when the ...

Battery management unit

A battery management unit capable of more reliably turning off a high-voltage relay. A battery management unit 1 includes a high-voltage relay 5 serving as a switch unit that turns on/off electrical connection between a high-voltage battery 102 , which is a secondary battery, and an external device, and a power source IC 6 serving as a disconnection control unit having a first disconnection processing function of turning off the high-voltage relay 5 at the time of abnormality of the battery management unit 1 and a second disconnection processing function of detecting an abnormality of the first disconnection processing function and turning off the high-voltage relay 5.

Battery management unit for preventing performance of erroneous control algorithm from communication error

Disclosed is a battery management unit. The battery management unit according to the present disclosure can prevent performance of an erroneous control algorithm by executing an infinite loop when an error occurs on a communication line.

Electronic device, charger within the electronic device, and detecting method for detecting abnormal status of connector of electronic device

An electronic device includes: a connector, arranged for coupling to a power supply external to the electronic device, wherein the power supply is arranged to provide a supply voltage to the electronic device to charge a battery of the electronic device; and a charger, coupled to the connector and selectively operated in a normal mode or a self-test mode, wherein when the charger operates in the normal mode, the charger is arranged for receiving the supply voltage via a power pin of the connector to charge the battery of the electronic device; and when the charger operates in the self-test mode, the charger provides a specific voltage to the power pin of the connector. The charger includes a detector to detect the current or voltage of at least one pin of the connector to generate a detecting result, and the supply voltage is set based on the detecting result.

All-solid-state battery system

An all-solid-state battery system includes: an all-solid-state battery; a light detection unit; and a control unit. The all-solid-state battery includes a battery element having a positive electrode layer, a negative electrode layer and a solid electrolyte layer. The light detection unit detects light emitted from at least one of the positive electrode layer and the negative electrode layer. The control unit controls charge of the all-solid-state battery on the basis of intensity of light detected by the light detection unit.

Isolated communication system

Embodiments of the present invention are directed to a cell protection system that may be employed in high voltage systems such as grid scale energy storage systems. In some embodiments, the advanced cell protection system includes a proactive balancing system for balancing one or more battery units of the energy storage systems. In some embodiments, the advanced cell protection system includes a switching protection system for safely connecting and disconnecting the one or more battery units of the energy storage systems to other systems. In some embodiments, the advanced cell protection system includes an isolated communication system for allowing the one or more battery units to safely communicate with each other and at least one controller of the energy storage system.

Protective case for a mobile terminal

The present disclosure provides a protective case for a mobile terminal, the protective case including: a mobile terminal case which has a box shape, and surrounds and protects a mobile terminal; an auxiliary battery case which is positioned outside a rear surface of the mobile terminal case, and defines a space for accommodating an auxiliary battery; a mobile terminal side contact terminal which is disposed on an inner surface of the mobile terminal case, and is in electrical contact with an external terminal of the mobile terminal; and an auxiliary battery side contact terminal which is disposed on an inner surface of the auxiliary battery case, and is in electrical contact with an external terminal of the auxiliary battery, in which electric power of the auxiliary battery is provided to the mobile terminal through a connecting cable that electrically connects the mobile terminal side contact terminal and the auxiliary battery side contact terminal.

Secondary battery manufactured by arrangement simultaneously possessing advantages specific to winding process and advantages specific to stacking process

A secondary battery, including: a plurality of first aluminum foils, each two adjacent foils of the first aluminum foils being separated by a first preset gap and connected with each other by a first adhesive tape, each of the first aluminum foils having a first electrode lug, and all the first electrode lugs being connected in parallel for serving as a positive terminal; a plurality of second aluminum foils, each two adjacent foils of the second aluminum foils being separated by a second preset gap and connected with each other by a second adhesive tape, each of the second aluminum foils having a second electrode lug, and all the second electrode lugs being connected in parallel for serving as a negative terminal; and a separation film disposed between the first aluminum foils and the second aluminum foils, and the stack is wound into a required shape.

INFORMATION HANDLING SYSTEM WITH BATTERY POWER MANAGEMENT

An information handling system includes a battery, an embedded controller, and a processor. The embedded controller collects a battery charge status for the battery, and provides the battery charge status to the processor. The processor also receives data indicating a current battery discharge rate. The processor determines a second battery discharge rate based on operations to be performed during a period of time. The processor also determines a needed battery charge level at a start of the period of time. Based on the battery charge status, the current battery discharge rate, the second battery discharge rate, and the needed battery charge level, the processor sets the information handling system in a state to achieve the battery charge level. 1. An information handling system comprising:a battery;an embedded controller to communicate with the battery, the embedded controller to collect a battery charge status; and receive the battery charge status;', 'receive data indicating a current battery discharge rate;', 'determine a second battery discharge rate based on operations to be performed during a period of time;', 'determine a needed battery charge level at a start of the period of time; and', 'based on the battery charge status, the current battery discharge rate, the second battery discharge rate, and the needed battery charge level, set the information handling system in a state to achieve the battery charge level., 'a processor to communicate with the battery and with the embedded controller, the processor to2. The information handling system of claim 1 , wherein the processor to execute a battery discharge rate computer model claim 1 , the battery discharge rate computer model includes:an input layer to receive input data, wherein the input data includes historical data for battery discharge rates based on previous operations performed during a time period associated with the period of time;a hidden layer to calculate a projected battery discharge rate for ...

Power Supply System

A power supply system that can suppress battery performance degradation due to deposition is provided. Among two battery packs ( 101, 102 ) for which it is determined whether a parallel connection is to be made, a specific battery characteristic regarding a charging battery pack ( 102 ) that is a battery pack having the lower voltage is calculated. Then, it is determined whether the battery characteristic matches an allowance condition, and it is determined whether the two battery packs ( 101, 102 ) are to be connected in parallel to each other. In addition, at least one of the battery characteristic and the allowance condition changes in accordance with a voltage of the charging battery pack ( 102 ).

BATTERY CHARGING METHOD AND APPARATUS

A battery charging method includes determining a battery overpotential based on a reference physical quantity and a battery physical quantity corresponding to a charging capacity of a battery while charging the battery in an initial charging step, determining whether a condition for changing a battery charging step is satisfied based on the battery overpotential, and changing the battery charging step from the initial charging step to an adjusted charging step in response to the condition being satisfied. 1. A battery charging method comprising:charging a battery in a first charging step, wherein charging current in the first charging step is constant charging current;in response to a condition being satisfied, changing from the first charging step to a second charging step, wherein the condition comprises a first condition in which a battery overpotential of the battery is greater than or equal to a threshold voltage; andcharging the battery in the second charging step, wherein charging current in the second charging step is constant charging current,wherein the battery is continually charged during the changing of the first charging step to the second charging step.2. The battery charging method of claim 1 , wherein an intensity of a charging current in the second charging step is less than an intensity of a charging current in the first charging step.3. The battery charging method of claim 1 , further comprising selecting the first charging step from a plurality of first charging steps based on a measured voltage of the battery.4. The battery charging method of claim 1 , further comprising:measuring a voltage of the battery before the charging of the battery in the first charging step; andselecting the first charging step from a plurality of charging steps in response to the measured voltage being greater than a voltage corresponding to the first charging step, and the measured voltage being less than a voltage corresponding to the second charging step.5. The ...

PROTECTIVE DEVICE

A protective device connected between an external terminal provided in an energy storage apparatus and a power cable extending from a vehicle, the protective device includes a current interruption device that interrupts electric conduction between the vehicle and the energy storage apparatus in response to a command of a CPU in a battery management device provided in the energy storage apparatus. 1. A protective device connected between an external terminal provided in an energy storage apparatus and a vehicle , the protective device comprising a current interruption device that interrupts electric conduction between the vehicle and the energy storage apparatus under control of a battery management device provided in the energy storage apparatus.2. The protective device according to claim 1 , further comprising an equalization circuit that is provided so as to be controllable by the battery management device and equalizes a variation in charge capacity between a plurality of energy storage devices provided in the energy storage apparatus.3. A protective device connected between an external terminal provided in an energy storage apparatus including a plurality of energy storage devices and a vehicle claim 1 , the protective device comprising an equalization circuit that equalizes a variation in charge capacity between the plurality of energy storage devices under control of a battery management device provided in the energy storage apparatus.4. The protective device according to claim 1 , wherein the protective device is incorporated in a part of a power supply line connected to the vehicle.5. The protective device according to claim 1 , further comprising an identification circuit that determines whether the energy storage apparatus is a genuine energy storage apparatus based on an identifier of the energy storage apparatus.6. The protective device according to claim 3 , wherein the protective device is incorporated in a part of a power supply line connected to the ...