832 results about "High voltage battery" patented technology

The invention relates to an on-board electrical system (1) for a vehicle, comprising a high-voltage on-board electrical system (2) with a high-voltage battery (HVB) and a low-voltage area with an on-board electrical system channel (EBN) which is designed as a comfort on-board electrical system (EBN), wherein the comfort on-board electrical system (EBN) is connected to the high-voltage on-board electrical system (2) via a DC / DC converter (DCDC2) and is configured to supply static loads (L1), wherein a low-voltage battery (LVB1) is arranged in the comfort on-board electrical system (EBN), wherein the on-board electrical system (1) is designed to be expandable by means of further on-board electrical system channels (SBN1, SBN2).

A motor vehicle traction battery arrangement includes two cooling plates respectively disposed in a horizontal plane and a high-voltage battery module. The lower and upper horizontal walls of which are cooled directly by the cooling plates and which encases a plurality of identical rectangular battery cells in a rigid battery module housing. The battery cells are all configured such that they are plate-like and elongated, are parallel to one another in vertical planes (y,z) and each includes two small-area vertical end walls, two large-area vertical side walls and two medium-area horizontal walls. On its end face, each battery cell includes an anodic connecting element and a cathodic connecting element. At least two similar cell stacks including a same plurality of battery cells are provided, and are stacked such that their battery cell side walls adjoin one another. The battery cell horizontal walls directly adjoin a cooled battery module horizontal wall.

The invention relates to an electrical traction network (1) for a motor vehicle, comprising a separately excited synchronous machine (2), a pulse-controlled inverter (3), a high-voltage battery (4), a DC / DC converter (6) and a charger (5), wherein the charger (5) has a mains connection (9) for an external AC voltage network, wherein the charger (5) is connected to AC voltage outputs of the pulse-controlled inverter (3) via first switching elements (S1), wherein the AC voltage outputs of the pulse-controlled inverter (3) are connected to the phases of the synchronous machine (2) via second switching elements (S2), wherein the DC voltage connections (HV+_PWR, HV-_PWR) of the pulse-controlled inverter (3) and an output of the DC / DC converter (6) are connected to the high-voltage battery (4) via third switching elements (S3), wherein the inputs of the DC / DC converter (6) are connected to the DC voltage connections (HV+_PWR, HV-_PWR) of the pulse inverter (3),wherein fourth switching elements (S4) are arranged between the output of the DC / DC converter (6) and two half-bridges of the DC / DC converter (6), wherein the DC / DC converter (6) is connected to a rotor winding of the synchronous machine (2) via fifth switching elements (S5), and a method for operating such an electrical traction network.

Embodiments for a battery pack for an electric marine vessel are described herein. In a particular embodiment, a battery pack for an electric marine vessel comprises a waterproof chassis, a high voltage battery comprising a plurality of battery cells disposed within the chassis, positive and negative high voltage connectors disposed on a front flange of the chassis, a manual disconnect connector disposed on the front flange of the chassis, and a signals connector disposed on the front flange of the chassis, the signals connector configured for signal communication with at least a power distribution unit and a vessel control unit. A battery management system disposed within the chassis and coupled to the signals connector comprises a battery management controller, a plurality of relays operable by the battery management controller, and a plurality of sensors electrically coupled to the battery management controller.

The disclosure provides a method of operating a system supported by an electric vehicle (EV). The method includes receiving input data from the input. When the input data is indicative of the EV being in a driving status, the method includes executing a first mode of operation causing a high voltage battery supported by the EV to supply power to one or more low voltage loads and to a motor. When the input data is indicative of the EV being connected to an alternating voltage source, the method includes executing a second mode of operation causing the motor and an inverter to behave as a two-phased interleaved PFC circuit. When the input data is indicative of the EV being connected to a direct voltage source, the method includes executing a third mode of operation causing the motor and the inverter to behave as a two-phased interleaved boost converter circuit.

The invention relates to the technical field of wireless charging, in particular to a wireless charging system and an application method, and the system comprises m inverters, m-1 RIITs and transmitting coils at a GA end, n first rectifiers at a VA end, RIITs corresponding to n-1 first rectifiers, q second rectifiers, RIITs corresponding to q second rectifiers and receiving coils. The output ends of the n first rectifiers are connected in parallel and are used for outputting electric energy to the high-voltage battery; and the output ends of the q second rectifiers are connected in parallel and are used for outputting electric energy to the low-voltage battery. The high-voltage battery and the low-voltage battery supply energy through the receiving coil at the VA end, the charging mode can be changed by setting the working state of the rectifier, and decoupling control over charging of the high-voltage battery and the low-voltage battery is achieved. According to the invention, the size and cost of the charging structure of the VA end can be effectively reduced, and different levels of power requirements can be met by adjusting the number of inverters and rectifiers.

Disclosed is a multi-port charger capable of charging a higher-voltage battery by boosting low DC charging voltage using an on-board charger (OBC) installed in a vehicle without adding a separate part or device and capable of being used for various applications, such as V2G and V2L, in addition to charging.

The present invention relates to a battery module (1) for a high-voltage battery of an electrically or partially electrically powered motor vehicle, wherein the battery module (1) comprises at least one first battery cell (10) and at least one second battery cell (20), wherein each battery cell (10, 20) has a first cell terminal (11) with a first polarity and a second cell terminal (21) with a second polarity, wherein the battery module (1) comprises a contact carrier plate (2), wherein the contact carrier plate (2) has at least one support rib (3) and adjacent to the support rib (3) a first through-slot (4) and a second through-slot (5), wherein one of the cell terminals (11, 21) of the first battery cell (10) passes through the first through-slot (4) and is bent towards the support rib (3), wherein one of the cell terminals (11,21) of the second battery cell (20) passes through the second through-slot (5) and is bent towards the support rib (3), so that one cell terminal (11, 21) of the first battery cell (10) and one cell terminal (11, 21) of the second battery cell (20) overlap on a contacting side of the contacting carrier plate (2) facing away from the multiple battery cells (10, 20), wherein the battery module (1) has a heat buffer element (50).

The present invention relates to a battery module (1) for a high-voltage battery of an electrically or partially electrically powered motor vehicle, wherein the battery module (1) comprises at least one first battery cell (10) and at least one second battery cell (20), wherein each battery cell (10, 20) has a first cell terminal (11) with a first polarity and a second cell terminal (21) with a second polarity, wherein the battery module (1) comprises a contact carrier plate, wherein the contact carrier plate has at least one support rib (3) and adjacent to the support rib (3) a first through-slot (4) and a second through-slot (5), wherein one of the cell terminals (11, 21) of the first battery cell (10) passes through the first through-slot (4) and is bent towards the support rib (3), wherein one of the cell terminals (11,21) of the second battery cell (20) passes through the second through-slot (5) and is bent towards the support rib (3), such that one cell terminal (11, 21) of the first battery cell (10) and one cell terminal (11, 21) of the second battery cell (20) overlap on a contacting side of the contacting carrier plate (2) facing away from the battery cells (10, 20), wherein one cell terminal (11, 21) of the first battery cell (10) and one cell terminal (11, 21) of the second battery cell (20) are electrically connected to each other in the area of ​​their overlap, wherein the support rib (3) has a heat buffer element (50).

The present application discloses a power supply and backup network of a communication device. The network includes a medium-low voltage power distribution system, a high voltage battery backup power system, a power distribution system, and a high-voltage direct-current (HVDC) bus system, where the medium-low voltage power distribution system is connected to the power distribution system by the HVDC bus system; the high-voltage battery backup power system is bypassed on the HVDC bus system; the medium-low voltage power distribution system is configured to provide HVDC power for the power distribution system by the HVDC bus system by using input mains power and oil energy backup power; the high-voltage battery backup power system is configured to provide HVDC backup power for the power distribution system by the HVDC bus system; and the power distribution system is configured to distribute, to a connected electrical device, the HVDC power.

A vehicle may include a motor system configured to drive a motor, a main high-voltage battery and a sub high-voltage battery configured to selectively supply power to the motor system, and a method controlling the vehicle may include monitoring the current state of each of at least two battery cells of the main high-voltage battery when the vehicle is parked, charging the main high-voltage battery for a preset time by allowing a certain amount of a constant current to flow through the sub high-voltage battery, a charging mode deterioration determination step of determining the degree of deterioration for each of the battery cells charged for the preset time, charging the sub high-voltage battery for a preset time by allowing an amount of a constant current to flow through the main high-voltage battery, and determining the degree of deterioration for each of the battery cells discharged for the preset time.

Example implementations include a method, apparatus and integrated circuit (IC) for active pre-charging a battery system. The IC may include a pre-charging controller configured to manage pre-charging of a capacitive load. The IC may include a programmable current control module configured to maintain constant charging current based on one or more parameters from the pre-charging controller. The IC may include a smart gate driver configured to drive one or more high voltage field-effect transistors (FETs) based on one or more control signals from the pre-charging controller. The IC may include a boundary mode controller configured to configure inductor current to maintain constant charging current. The IC may include a safety monitoring module configured to detect an overvoltage or undervoltage state based on system voltage monitoring. The IC may include a timing module configured to indicate a charge completion following a defined charge time.

A powertrain and control method that generates and transfers drive torque to a driveline of a hybrid electric vehicle is provided. The powertrain includes an internal combustion engine (ICE), at least one electric motor powered by a high-voltage battery, an integrated dual charge module (IDCM) and a controller. The controller is configured to: determine whether an external load is connected to the vehicle through the IDCM; determine an available engine-based power; determine whether the available engine-based power is above a threshold to support thermal loads; command power consumption from the high-voltage battery based on a determination that available engine-based power is not above the threshold; command power consumption from the ICE based on a determination that available engine-based power is above the threshold; and command a blending of power between the high-voltage battery and the ICE.

A mobile power conversion device for electric vehicle charging and a control method thereof are disclosed. An embodiment of the present disclosure provides a mobile power conversion device for electric vehicle charging, including: a first charging interface electrically connected to an external AC charger on one side; a second charging interface electrically connected to a vehicle without an external on-board charger (OBC) on the other side; a power supply such as a switching mode power supply (SMPS) configured to supply power to the inside of the device; an AC / DC converter configured to convert AC power input from the AC charger into DC power chargeable to a high-voltage battery of the vehicle; and a controller configured to perform vehicle charging control supplying the DC power converted by the AC / DC converter to the vehicle.

An arrangement is for increasing the range of an electrically driven vehicle combination. The arrangement includes a power adaptation and charging control unit for bidirectionally transmitting voltage between a first high-voltage battery of a towing vehicle of the vehicle combination and a second high-voltage battery of a trailer of the vehicle combination.

A power system 1 includes a power converter 6 and a control device 8. The power converter 6 includes a first converter circuit 71 including switching legs 61, 64 and a second converter circuit 72 including switching legs 62, 63. The control device 8 operates the power converter 6 under any one control mode among a charging mode for charging a high-voltage battery B by causing the converter circuits 71, 72 to operate as a PFC converter, a power feeding mode for feeding power to an external AC load EL by causing the second converter circuit 72 to operate as an inverter, and a power feeding during charging mode for feeding power to the external AC load EL while charging the high-voltage battery B by causing the first converter circuit 71 to operate as the PFC converter and causing the second converter circuit 72 to operate as the inverter.

Provided is a vehicle power supply system capable of stabilizing the voltage of an in-vehicle electrical device. A vehicle power supply system (1) is provided with: a high-voltage battery (2) mounted on a vehicle (100); a first DC / DC converter (3) disposed on the front (X1) side of the vehicle (100) and configured so as to be capable of transforming the DC power supplied from the high-voltage battery (2); a second DC / DC converter (4) disposed on the rear (X2) side in the longitudinal direction (X) and configured so as to be capable of transforming the DC power; a power supply line (10) that connects the first DC / DC converter and the second DC / DC converter and to which the power transformed by the first DC / DC converter and the power transformed by the second DC / DC converter are supplied; and a first power distribution unit (5), a second power distribution unit (6), and a third power distribution unit (7) that connect the power supply line (10) to a plurality of electrical devices (9) mounted on the vehicle, respectively, and distributes the power supplied from the power supply line (10) to the plurality of electrical devices (9).

A method and system for detecting the integrity of a high-voltage (HV) battery enclosure. The system uses sensors located within the battery enclosure to generate pressure and temperature sensor data. The system analyzes these data to detect any lack of integrity in the enclosure, such as leaks or breaches, which could compromise the battery's performance and safety. Upon detecting a potential integrity issue, the system generates an alert.

A high voltage charge control apparatus for application of NACS may include a charging line extending from a North American Charging Standard (NACS) type inlet, a NACS junction box configured to branch the charging line into a DC charging line and an AC charging line, a high-voltage junction box configured to connect the DC charging line to a high-voltage battery within a vehicle, and an on-board charger configured to connect the AC charging line to the high-voltage battery.

The invention relates to an LLC reverse boost circuit and a control method. The reverse boost circuit comprises a transformation element T1, a secondary side bidirectional power module and a boost switch module. A secondary winding of the transformation element T1 is connected with a first electric connection end of the secondary bidirectional power module, a second electric connection end of the secondary bidirectional power module is connected with a first electric connection end of the boost switch module, and a second electric connection end of the boost switch module is connected with a second power supply; an enable signal input end of the boost switch module is connected with a third enable signal output end of the control module; switching tube elements in the boost switch module are controlled to be switched on alternately, the voltage of the second power supply is gradually increased to be close to the voltage of the first power supply, and the electric energy of the second power supply is output to the first power supply. When the high-voltage capacitor is charged to be close to the voltage of the high-voltage battery, the whole vehicle can be connected into the battery without impact, so that the safe and smooth pre-charging function is realized, and the stability and the reliability of the system are improved.

A trailer platform system with independent propulsion and control includes a steerable first axle connected to a pair of first wheels, a second axle connected to a pair of second wheels, and at least one electric traction motor configured to drive the steerable first axle and / or the second axle. A high voltage battery system is configured to power the at least one electric traction motor. A load platform is supported by a chassis and a suspension, wherein the load platform is a wagon-style platform with the first and second wheels located at the four corners of the load platform. A lead vehicle hitch connection is configured to removably couple to a lead vehicle.

A method for producing a high-voltage battery unit, particularly for vehicles, includes producing a housing, which has a plurality of housing walls coating interior sides of the housing walls with a heat-resistant metal foil, introducing an electrical battery and cooling system into the housing, and sealing the housing.

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 relates to the technical field of concrete detection, in particular to a concrete alkaline particle content detection robot which comprises a shell, an X-ray transmitting tube, an X-ray detector, a touch display screen, a circuit board and a high-voltage battery, and a walking mechanism used for driving the shell to move transversely is arranged at the lower end of the shell. According to the detection robot, the detection robot is mainly composed of the shell, the walking mechanism, the lifting driving part, the lifting sliding base, the X-ray transmitting tube, the X-ray detector, the touch display screen, the circuit board and the high-voltage battery, automatic walking type detection treatment on the concrete layer in the construction area can be achieved, the concrete layer does not need to be damaged in the whole detection process, and the detection efficiency is improved. The concrete can be subjected to alkaline particle content detection, data recording and data arrangement, so that the workload and difficulty of actual detection operation of operators are effectively reduced, and the convenience, efficiency and accuracy of concrete alkaline particle content detection are improved.

A method for operating a high voltage on-board power supply of a vehicle having a protective device for when physical contact with the high voltage potentials and a reference potential when charging a high voltage battery by a direct current charging station is provided. The protective device has a voltage measuring device and a protective switch. In one of the high voltage potentials, between the protective device and a direct current charging connection, a galvanically coupled DC / DC converter is arranged and the direct current charging station provides a charging voltage, which is lower than a nominal voltage of the high voltage battery. It is determined whether physical contact with the high volage potential, in which the DC / DC converter is arranged, occurs between the DC / DC converter and the direct current charging station, and this is used as a triggering criterion for controlling the protective circuit and / or a further protective circuit.

Embodiments for a battery pack for an electric marine vessel are described herein. In a particular embodiment, a battery pack for an electric marine vessel comprises a waterproof chassis, a high voltage battery comprising a plurality of battery cells disposed within the chassis, positive and negative high voltage connectors disposed on a front flange of the chassis, a manual disconnect connector disposed on the front flange of the chassis, and a signals connector disposed on the front flange of the chassis, the signals connector configured for signal communication with at least a power distribution unit and a vessel control unit. A battery management system disposed within the chassis and coupled to the signals connector comprises a battery management controller, a plurality of relays operable by the battery management controller, and a plurality of sensors electrically coupled to the battery management controller.

The invention relates to the field of photovoltaic energy storage equipment, in particular to high-power mobile photovoltaic energy storage equipment. A high-power mobile photovoltaic energy storage device comprises a photovoltaic acquisition module, an electric energy storage module and a traction module. The photovoltaic acquisition module comprises an inner frame, an outer frame, a limiting part and a plurality of photovoltaic panels, the inner frame and the outer frame are nested, the inner frame can slide along the length direction of the outer frame, the limiting part is arranged at one end of the inner frame, the plurality of photovoltaic panels are respectively mounted on the inner frame and the outer frame, and the bottom of the outer frame is mounted on the electric energy storage module; the electric energy storage module is used for converting solar energy collected by the photovoltaic panel into electric energy and storing the electric energy in the high-voltage battery assembly; the traction module is installed below the electric energy storage module, and movement of the energy storage equipment is achieved. The invention has the following advantages: the parts are simple in structure, and the equipment works reliably and is easy to operate; the efficient energy demand is met, and the photovoltaic panel is stored to the maximum extent by using a small storage space.

The invention relates to the technical field of new energy automobiles, in particular to a low-voltage battery charging method and system, a controller and an automobile. In the silent state of the automobile, a VCU control system accurately closes unnecessary peripherals through a low-power-consumption monitoring mode, only basic power supply of a communication module is maintained, and the power consumption of the VCU control system is reduced; quiescent current consumption is obviously reduced to delay the self-discharge rate of the low-voltage storage battery; when it is detected that the voltage of the low-voltage battery is lower than a threshold value, the system automatically activates the high-voltage power battery to conduct directional charging on the low-voltage system, service life attenuation caused by over-discharge of the low-voltage storage battery is avoided, and it is ensured that a key control module of the vehicle always has basic working electric energy; through sequential control of the preset charging period, excessive energy consumption of the high-voltage battery is prevented while charging sufficiency is guaranteed, dynamic energy balance of the high-voltage-low-voltage battery pack is formed, and the reliability of a new energy automobile in a long-term parking scene and the use convenience of a user are remarkably improved.

The power supply device includes a low voltage battery, a high voltage battery, a starter generator, a DC-DC converter, a changeover switch, and a controller. When an abnormality or a failure has occurred in the DC-DC converter, the controller controls the changeover switch to connect the starter generator to the other battery without via the DC-DC converter and controls the output of the starter generator corresponding to the connected other battery.

The invention provides a battery parallel capacity expansion circuit, a control method and an energy storage device, and relates to the technical field of batteries, and the battery parallel capacity expansion circuit comprises a first control unit and a second control unit which are respectively used for carrying out discharge control on a first battery pack and a second battery pack; the battery management system is used for detecting the voltage of the first battery pack and the second battery pack in real time, and when the voltage difference value of the two is larger than a first preset voltage threshold value, the switch element in the control unit corresponding to the high-voltage battery pack is closed, and the switch element in the control unit corresponding to the low-voltage battery pack is disconnected. The high-voltage battery pack independently supplies power to the load; and when the voltage difference value is smaller than a first preset voltage threshold value, all switching elements in the first control unit and the second control unit are closed and are connected in parallel to supply power to a load. By implementing the technical scheme provided by the invention, the safety effect of improving the capacity expansion of the battery is achieved.