558 results about "Battery charger" patented technology

The present disclosure provides a multifunctional battery charger including: an installation component. An interior of the installation component is provided with an external charging component and a charging component, the charging component is provided below the external charging component, a front of a housing is provided with a charging indicator light and a magnetic charging head, the magnetic charging head is connected to a magnetic adapter, one end of the magnetic adapter is inserted into a charging port of a battery. Some battery charging ports are provided at one side, some battery charging ports are provided on a head portion. Whether on the side or the head portion, they can be charged flexibly, solve a problem that most charging plugs of existing chargers are fixed.

A system comprises: a high voltage (HV) direct current (DC) to DC converter (HVDC) including: one or more transformers; a bridge driver connected to a primary side of the one or more transformers; and one or more bridge rectifiers connected to a secondary side of the one or more transformers, the one or more bridge rectifiers including one or more bridge rectifier switches; a low voltage (LV) DC to DC converter (LVDC) connected to the HVDC; and a boost converter including: an inductor connected to the one or more bridge rectifier switches; and one or more boost configuration switches operable, in combination with the one or more bridge rectifier switches, to configure the boost converter into each of a bypass configuration and a boost configuration, to regulate a voltage at the LVDC.

Responsive to a voltage across a capacitor being greater than a voltage across a traction battery, a controller may open switches such that charge current from a DC charger flows through a diode to the traction battery without following through coils of an electric machine and without flowing through an inverter.

Methods and systems for charging a battery string while protecting against overcharging. One system includes: a pair of disconnect devices; a power distribution bus which is electrically connected to a battery string via the disconnect devices; a battery charger connected to supply battery power to the power distribution bus for charging the battery string; a module monitoring unit configured to sense individual battery cell voltages during charging; a first processor configured to activate one disconnect device to open when the sensed individual battery cell voltages indicate overcharging; a plurality of sensors connected to sense a full-string voltage measured across the battery string and first and second half-string voltages measured across first and second half-strings of the battery string; and a second processor connected to receive sensor data during charging. The second processor is configured to independently activate the second disconnect device to open when the sensor data indicates continued overcharging.

A battery includes at least one battery cell, a bidirectional port configured to provide current output to a load from the at least one battery cell and to receive a charge current from a battery charger to charge the at least one battery cell, a charge only port configured to receive charge current from the battery charger to charge the at least one battery cell, and a battery control system. The battery control system is configured to detect a connection status of the bidirectional port and / or the charge only port and, based on the connection status of each port, to control the battery between a power delivery mode where current can flow from the at least one battery cell out of the bidirectional port, a charge mode where current can from the bidirectional port or the charge only port to the at least one battery cell, and a disconnected mode where current cannot flow between the bidirectional port or the charge only port and the at least one battery cell.

A method performed by battery charger configured to charge a vehicle battery, the method comprising charging the vehicle battery until a first measured voltage over the battery exceeds a first voltage threshold, halting charging for a third time period, measuring a second voltage over the battery at the end of the third time period, determining a battery type using a differential voltage, by calculating a difference of the first voltage threshold and the second voltage, and a set of predetermined conditions, wherein the predetermined conditions comprise:battery⁢ type={Udiff>UPb→lead-acid⁢ battery⁢ typeUdiff<ULi→lithium⁢ battery⁢ typeUPb>Udiff<ULi→unknown⁢ battery⁢ type

A combined battery charger and engine jump start system configured to automatically determine in which operating mode to operate based on which output port a plug is attached to is disclosed. For instance, the system may include both a battery charger subsystem and an engine jump start subsystem, whereby each includes at least one output port. The system may include a port protector enabling only one of the battery charger subsystem and the engine jump start subsystem to receive a plug at a time.

Apparatuses, devices, and methods for operating a battery charger are described. A semiconductor device can include a controller that can monitor at least one battery parameter of a battery connected to a secondary stage of a two-stage battery charger. The controller can determine a threshold voltage based on the at least one battery parameter. The controller can regulate a midpoint voltage at the threshold voltage. The midpoint voltage can be provided by a primary stage of the two-stage battery charger to the secondary stage of the two-stage battery charger. The controller can operate the secondary stage in a non-switching mode to directly provide the midpoint voltage regulated at the threshold voltage to the battery.

A non-isolated bidirectional high-voltage direct current battery charger is made compatible with a ground-fault circuit interrupter (GFCI) at the DC output by adapting the power converter to control, in response to voltage or current sensors, a net current difference between forward current and return current to remain below a threshold of the GFCI. This can be done without compromising safety in the case of actual ground faults.

A power tool battery charger and method for adaptive charging and data transfer is disclosed. A power tool battery charger may include one or more charging docks, each charging dock including a charging interface for providing charging current, and an electronic controller including a processor and a memory. The electronic controller is configured to identify one or more battery packs received by the charging docks and determine battery information for the one or more battery packs. The battery information indicating tandem use information for the one or more battery packs, end-of-use information for the one or more battery packs, or user preference information. The electronic controller also charges the one or more battery packs based on the battery information.

A battery charger and a method of operating a battery charger. The charger may include a housing defining an air inlet and an air outlet; a charging circuit operable to output a charging current to charge a battery couplable to the battery charger; a tubular heat sink; and a fan operable to cause air flow from the air inlet to the air outlet and along the heat sink. The charger may include a first switch operable to electrically connect the charging circuit to a power source when the battery engages the charger; and a second switch operable to electrically connect the charging circuit to a battery terminal after the charger terminal is electrically connected to the battery terminal. The charging current or a fan speed may be adjusted based on at least one of the temperature of the charger or a temperature of the battery.

A charging cable management assembly configured to couple to a stationary vehicle battery charger, including an elongated frame configured to be coupled to the stationary vehicle battery charger; a movable support arm, coupled to the elongated frame, movable relative to the stationary vehicle battery charger and a battery electric vehicle (BEV) between a stowed and a deployed position relative; and a cable reel, attached to the movable support arm, deploying a retractable tether, configured to couple to a charging cable of the stationary vehicle battery charger, that assists a vehicle user moving the charging cable into electrical engagement with the BEV.

A charging cable management assembly can be part of a stationary vehicle battery charger for furnishing charge to vehicle batteries of battery electric vehicles (BEVs), as an example application. In an implementation, the charging cable management assembly has a cable support arm and a spring. The cable support arm moves about a pivot relative to an associated stationary vehicle battery charger during use. The cable support arm can move between a home position and a fully deployed position, as well as to less-than-fully deployed positions therebetween. The spring exerts a return biasing force to the cable support arm for bringing the cable support arm back to its home position after deployment and for keeping it there.

An EMI filtering circuit (1) for battery chargers of EV or HEV comprising: a plurality of filters (2a, 2b) for electro-magnetic disturbances connected in cascade to each other and provided with at least one coil (2a) comprising one ferromagnetic core (3) and at least one winding (4a, 4b) provided with one input end (6) and with one output end (7): a plurality of line capacitors (2b); one printed circuit board, PCB, (8) adapted to support the capacitors (2b) and connect them to each other; a plurality of connecting elements (10) adapted to electrically connect the coils (2a) to the PCB (8); wherein each of the output ends (7) of each coil (2a), except for the last one, is directly connected to a respective input end (6) of the next coil (2a) and is associated together with the respective input end (6) to a same connecting element (10).

Battery cell formation can include forming a SEI layer in a battery cell, evaluating the cell quality, grading the cells and removing any defect cells. A first switch can connect a first terminal of a battery charger with a first terminal of a first cell. A second switch can connect a second terminal of the first cell with a third switch. The second switch can connect a second cell with a first terminal of the battery charger. The third switch can connect the second switch with a first terminal of the second cell. A fourth switch can connect a second terminal of the second cell with a second terminal of the battery charger. The charger can provide a current to the first cell and to the second cell via the first switch and the third switch for battery cell formation of the first battery cell and the second battery cell.

A battery pack includes a battery housing defining an internal cavity, a first positive terminal extending through the housing, a first negative terminal extending through the housing, a plurality of battery cells within the internal cavity, and a battery charger within the internal cavity. The plurality of battery cells are electrically coupled to the first positive terminal and the first negative terminal. The battery charger is configured to charge the plurality of battery cells and includes a second positive terminal electrically coupled to the first positive terminal within the housing, and a second negative terminal electrically coupled to the first negative terminal within the housing.

1. The name of the design product: battery charger (TF-CD-099CE). 2. The use of the design product: the design product is used for the charger of the battery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Methods and systems for charging a battery string while protecting against overcharging. One system includes: a pair of disconnect devices; a power distribution bus which is electrically connected to a battery string via the disconnect devices; a battery charger connected to supply battery power to the power distribution bus for charging the battery string; a module monitoring unit configured to sense individual battery cell voltages during charging; a first processor configured to activate one disconnect device to open when the sensed individual battery cell voltages indicate overcharging; a plurality of sensors connected to sense a full-string voltage measured across the battery string and first and second half-string voltages measured across first and second half-strings of the battery string; and a second processor connected to receive sensor data during charging. The second processor is configured to independently activate the second disconnect device to open when the sensor data indicates continued overcharging.

The invention discloses a safety monitoring system for electric vehicle charging, and relates to the technical field of electric vehicle safety, and the system comprises an environment monitoring module which is used for monitoring the charging environment of an electric vehicle and obtaining corresponding environment data, and the environment data comprises the environment air temperature, the wind speed and the illumination intensity; the temperature monitoring module comprises a battery monitoring unit used for monitoring the battery temperature and obtaining battery temperature data; and the charger monitoring units are used for monitoring the temperature of the input end of the charger and the temperature of the output end of the charger respectively and acquiring the temperature data of the input end of the charger and the temperature data of the output end of the charger. According to the method, the multi-point temperature time sequence model is constructed, and a thermal delay identification and compensation mechanism is introduced, so that response alignment between the input ends and the output ends of the battery and the charger is realized, and the identification sensitivity of local thermal unbalance and contact abnormity is improved.

A power architecture that uses an efficient intermediate power conversion stage between AC adaptor (and battery charger) and subsequent voltage regulators (VRs) (e.g., core VR) for processors for higher overall efficiency allowing for higher performance in a given thermal envelope and iso-system input power. Power losses from both the charger and the core VR are reduced by splitting the power as power to sustained high-power rails, and power to the rest of the platform power rails that have low residency in high-power states. The sustained high-power rails are placed under an intermediate power conversion topology which is directly powered by the adaptor. The rest of the rails along with charging of the battery are powered by the battery charger.

Described herein are systems for automated docking of an unmanned aerial vehicle. For example, some systems include an unmanned aerial vehicle including a propulsion mechanism, a battery, and a processing apparatus; and a dock including a landing surface with a funnel geometry shaped to fit a bottom surface of the unmanned aerial vehicle at a base of the funnel, wherein tapered sides of the funnel form corners at the base of the funnel, and a battery charger configured to charge the battery of the unmanned aerial vehicle while the unmanned aerial vehicle is on the landing surface, wherein conducting contacts of the battery charger are on the landing surface, positioned at the bottom of the funnel.

A system includes: an alternating current (AC) to direct current (DC) converter (AC-DC converter), the AC-DC converter connectable to a line voltage; and a DC to DC converter (DC-DC converter) connected to the AC-DC converter, the DC-DC converter including: a high voltage buck-boost converter having a secondary side connectable to a high voltage battery; a low voltage buck-boost converter having a secondary side connectable to a low voltage battery; and one or more transformers having a primary side connected to the AC-DC converter, a secondary side connected to a primary side of the high voltage buck-boost converter, and a tertiary side connected to a primary side of the low voltage buck-boost converter.

The invention discloses a portable automobile intelligent storage battery charger with a waterproof structure, and relates to the technical field of chargers, and the portable automobile intelligent storage battery charger comprises a shell device. According to the portable automobile intelligent storage battery charger with the waterproof structure, through the design of the shell device, the charger is wrapped by the machine body shell, so that the protection effect is achieved, external water splashing and other harassment are reduced, the safety of equipment is improved, the cushion block has the effects of increasing the height of the machine body shell and reducing water flow soaking, and the service life of the portable automobile intelligent storage battery charger is prolonged. The guide plate plays a role in limiting the sliding space of equipment, preventing parts from shaking, improving the stability of the parts in the placing process and reducing mechanical abrasion between the parts, so that the service life of the parts is prolonged, the guide mechanism plays a role in damping and buffering, and the clamping mechanism is used for extruding from the two sides of the charger, so that the safety of the charger is improved. And contact with grooves in two sides of the charger is realized, so that the charger is fixed, the follow-up operation efficiency of equipment is prevented from being influenced, and follow-up equipment moving is facilitated.

1. Name of the Design Product: Battery Charger. 2. Use of the Design Product: Used to charge a household battery with alternating current. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective View 1.

A rechargeable battery system for a lift device includes a battery configured to power at least one component of the lift device, a heating system configured to selectively provide heat to the battery, and a battery charger connected to the battery and to the heating system. The heating system is configured to selectively receive power from the battery through a battery power connection or from the battery charger through a battery charger power connection.

A multi-battery charger may comprise: a multitude of battery interfaces designed to detachably accept a multitude of batteries, a charging circuit electrically connected to the multitude of battery interfaces, a current output, a discharging circuit electrically connected between the multitude of battery interfaces and the current output, and an electronic processor electrically connected to the charging and discharging circuits. The electronic processor may be configured, when a first battery and a second battery are detachably inserted into the multitude of battery interfaces and a first condition is met, to charge the first battery using the charging circuit and to discharge the second battery using the discharging circuit.

The utility model relates to the technical field of battery charging, in particular to an automatic battery charger, which comprises a charging host, a battery placement assembly and a battery positioning assembly, a charging area is arranged on the charging host, the battery placement assembly is provided with a placement groove, and the battery positioning assembly is provided with a battery. One end of the placing groove is communicated to the charging area and is used for guiding a battery towards the charging area, and the battery positioning assembly is used for positioning the battery on the charging area, sending out the fully charged battery from the charging area, receiving the battery guided in by the placing groove and positioning the battery in the charging area for positioning; according to the utility model, automatic charging is realized, the convenience and efficiency of battery charging are improved, the safety and stability of the charging process are ensured, and more intelligent and efficient charging experience is brought to users.

A battery retrofit kit for a golf cart includes a base having a mounting surface, a lithium-ion battery supported on the mounting surface, a battery charger coupled to the base, and a retrofit controller coupled to the base.

The present application relates to methods and apparatus for optimizing fast battery charging. In the described example of a method and apparatus for fast charging a battery with optimized charging, a system (400) includes a battery charger (420) for applying a voltage to a rechargeable battery (430), and a controller (422) coupled to the battery charger (420) and monitoring at least one of a battery voltage, a battery temperature, and a current flowing into the battery (430). The system (400) is configured to apply a charging current from the battery charger (420) by calculating an open circuit cell anode voltage and anode resistance of the battery (430) and determining a charging current. In an additional arrangement, lithium ion plating is prevented by the charging current.