2035 results about "Electric-vehicle battery" patented technology

One or more embodiments may include a trip planning system for planning a trip based on the charge of an electric vehicle battery. The trip planning system may include one or more computers located remotely from an electric vehicle which may have one or more battery packs for powering the electric vehicle. The computer(s) may be configured to receive geographic parameters defining a trip and a battery charge status of the one or more electric vehicle battery packs. The computer(s) may be further configured to determine that the trip cannot be completed based on the battery charge status. The computer(s) may additionally be configured to present a battery charge requirement for completing the trip.

Systems and methods are described for a power aggregation system. In one implementation, a service establishes individual Internet connections to numerous electric resources intermittently connected to the power grid, such as electric vehicles. The Internet connection may be made over the same wire that connects the resource to the power grid. The service optimizes power flows to suit the needs of each resource and each resource owner, while aggregating flows across numerous resources to suit the needs of the power grid. The service can bring vast numbers of electric vehicle batteries online as a new, dynamically aggregated power resource for the power grid. Electric vehicle owners can participate in an electricity trading economy regardless of where they plug into the power grid.

An apparatus and method is disclosed for the housing, removal, recharging, and replacing of electric vehicle batteries. The apparatus includes a modular battery carriage and a vehicular battery carriage compartment allowing replacement of electric vehicle batteries to suit the needs of the operator at the service station and an automated service station for the rapid replacement of discharged batteries in electric vehicles with replenished batteries.

A system for charging batteries of electric vehicles from public fixtures such as street lights and parking meters includes modifying the fixture to convert it to a vehicle battery charging station using a power interface module having a novel keyed electrical power output receptacle connectable to power mains powering the fixture. The system includes a complementarily coded, keyed plug which must be inserted into the power output receptacle to access electrical power from the receptacle, the plug being located at the input end of vehicle charger cable terminated at output end thereof by a vehicle-mounted charge control system which will actuate a charging current contactor permitting charging current to flow from the receptacle to batteries within the vehicle only if a pre-paid charge authorization payment device, such as a magnetically or electronically encoded charge card is inserted into a charger station access enable device such as card reader mounted in the vehicle.

A vehicle charging station is provided. The vehicle charging station includes a charging source providing an electrical charge, a coolant source providing coolant and a connector having both an electrical supply section delivering the electrical charge and a coolant supply section delivering the coolant. The connector is capable of connecting to a vehicle. A connector for a vehicle charging station and an electric vehicle are also provided.

An apparatus and method for sequentially charging multiple electric vehicles. The apparatus including an electric vehicle supply equipment (EVSE) having an electrical plug connected to a power cord. The power cord is connected to a housing containing a number of electrical components configured to control the power flow to an electric vehicles to recharge the vehicles' batteries. The power cord is divided into multiple power cords that extend from the housing and connect to standard electric vehicle connectors compatible with battery electric vehicles (BEV) and plug-in hybrid electric vehicles (PHEV). The EVSE determines, based on a number of possible criteria, which of the multiple electric vehicles to charge at a given time.

An electric vehicle power system including a battery system, a bus configured to transfer power to a motor drive, and a control circuit to selectively couple the battery to the bus. The control circuit is discharges capacitance of the bus to a chassis in response to a disconnect between the battery and the bus. Further, the control circuit measures impedance across the bus. As a result, the control circuit can monitor integrity of the bus and detect a fault, such as a short circuit or degraded bus insulation.

An electric vehicle recharging station is provided. The electric vehicle recharging station includes an electric power supply system for rapidly recharging an onboard electric vehicle battery. The electric power supply system includes a first energy source and a battery bank including one or more rechargeable charging batteries for rapidly recharging the onboard electric vehicle battery. The electric vehicle recharging station also includes a temperature management system providing heat exchange fluid to both the onboard electric vehicle battery and the battery bank to thermally condition the onboard electric vehicle battery and the battery bank. A method of recharging onboard electric vehicle batteries is also provided.

The invention relates to the technical field of electric vehicle safe operation, in particular to an electric vehicle battery monitoring and management system. The electric vehicle battery monitoring and management system comprises a vehicle control system body and at least one battery box. Each battery box is internally provided with multiple sets of batteries. The electric vehicle battery monitoring and management system is characterized in that each battery box is internally further provided with a battery detection unit and an action executing device; each battery detection unit comprises a data acquisition module, a CPU core processing module, a communication transmission module and an executing device control module; and each data acquisition module comprises an acquisition device for acquiring the battery module temperature, the battery voltage and current and battery module environment parameters. The invention further discloses a monitoring method of the batteries. The monitoring method of the batteries comprises the steps that the temperature, the voltage and the current of the module as well as the temperature, smoke, gas, flame and other parameters in the battery boxes are monitored; and an early warning or fire fighting signal is sent out when the performance of the batteries is suddenly changed or thermal runaway occurs. According to the electric vehicle battery monitoring and management system and the monitoring method of the batteries, the development stage of thermal runaway can be accurately judged by comprehensively analyzing and processing the various parameters inside and outside battery modules, so that the thermal runaway detection accuracy is improved.

The disclosed invention provides a system and apparatus for monitoring battery status and usage to facilitate battery protection, battery repurposing and battery maintenance. Wireless interrogation of a battery's location and key attributes provides efficiencies to manage the total lifecycle of an electric vehicle battery, whether installed in a vehicle or in an environment external to the vehicle environment. A wireless battery tether, combined with a wireless battery reader, a wireless battery gateway and a centralized battery monitoring server allows management of the high-voltage battery through its lifecycle.

An electric vehicle information system prevents circulation of non-authentic batteries and battery components for electric vehicles. An electric vehicle data processing system is employed that performs, on an electric vehicle battery module having a plurality of battery cells installed therein, authentication of individual battery cells and the battery module itself in a hierarchical manner using a microcomputer. An electric vehicle is configured so as to cause the microcomputer of the data processing system to accumulate voltage history and charge history of the batteries in a nonvolatile storage circuit. The history information and the electric vehicle ID can be gathered by a maintenance device and a data server via an electronic control unit of the electric vehicle. A maintenance service system may thus be provided.

The invention discloses an electric vehicle power battery state-of-energy (SOE) estimation method, and belongs to the technical field of electric vehicle battery management systems. According to the method, changes of battery voltage are considered in the estimation process, and the battery state and the vehicle driving range can be more comprehensively reflected compared with an existing battery state-of-charge (SOC) estimation method. The electric vehicle power battery state-of-energy estimation method is characterized by comprising the following steps of (1) initialization, wherein a system calculates an initial SOE value according to the current battery temperature, voltage, the state before standing and the standing time; (2) circulation, wherein the system corrects a battery balance electromotive force (EMF)-SOE relation curve and the battery rated energy by collecting the battery temperature, charging/discharging multiplying power and the recorded battery using frequency. On the basis of the principle of conservation of energy, the battery energy variable quantity is calculated, the initial SOE value is utilized for calculating the SOE value at the next moment, and continuous circulation is carried out so that the SOE value can be updated in real time.

An electric vehicle battery pack replacement system. The hardware of said system consists of computers, a first palletizing robot (608), a second palletizing robot (609), a ferry robot (199), a four-post lift (22), a ferry robot track (198), a first conveyance line (607), and a second conveyance line (610). Connection between said hardware and an electric vehicle onboard device is achieved by means of various forms of computer-based supervisory control software, wired/wireless internet, and a 3G/4G wireless network, creating a man-machine dialogue system that utilizes supervisory control center computers to control, command, and guide electric vehicle battery replacement. The system is quick, safe, and prevents drivers unskilled at operating battery replacement systems from causing an accident by replacing a battery incorrectly. The system is well-designed, structurally simple, low in cost, and occupies little space.

The invention relates to a battery replacement device applicable to an electric vehicle, which comprises a battery box turntable group, a charging rack battery taking and placing device and an electric vehicle battery taking and placing device, wherein the battery box turntable group comprises a plurality of battery box turntables arranged in a line, and the battery box turntables can rotate with a certain angle around axes per se; the charging rack battery taking and placing device is arranged between the battery box turntable group and a charging rack; and the electric vehicle battery taking and placing device is arranged between the electric vehicle and the battery box turntable group. The invention also relates to a battery replacement system with the battery replacement device. In the battery replacement device, two types of battery taking and placing devices are used to be matched with the turntables to ensure that the battery box replacement of the electric vehicle becomes smoother. The entire battery replacement process is smooth and short in time. Because the efficiency of battery replacement is increased, more battery replacements can be completed within unit time, the battery replacement period is shorter, so that a charger can charge completely, and the utilization rate is higher.

Disclosed is a technique using an electric vehicle. The technique enables a user to set the operation plan of the electric vehicle and the price of electricity used to charge/discharge an electric vehicle battery. The electric vehicle battery is charged, or the electric energy charged in the electric vehicle battery is collected, according to the set information. Accordingly, it is possible to charge the electric vehicle battery at the price approved by the user under variable pricing of electric energy. When the price of electricity increases or there is no operation plan of the electric vehicle, the electric energy stored in the battery is collected to operate electric devices or resell the stored electric energy to an electric power company, thereby obtaining economic benefit. As the spread of electric vehicles are extended, it can be expected to save a considerable amount of electric energy throughout the whole society.

Disclosed is an electric vehicle, a battery charging station, and an electric vehicle battery exchange reservation system including the same. The electric vehicle includes a power level detection unit adapted to detect a power level of a battery mounted on the electric vehicle; a communication unit adapted to communicate with a battery charging station; and a control unit adapted to determine a battery charging station, in which the battery of the electric vehicle is to be exchanged, based on the power level of the battery and a route of travel of the electric vehicle and transmit a battery exchange reservation command to the determined battery charging station. Based on the battery power level of the electric vehicle, a battery charging station existing along the route of travel is requested to provide battery information, and battery exchange is reserved accordingly, so that batteries can be exchanged more efficiently and conveniently.

The present invention provides an electric vehicle battery replacing method and a cloud management server. The method comprises: the loud management server obtaining low-electric quantity alarm information sent by an electric vehicle; the loud management server confirming multiple battery replacing devices having power battery replacing ability around the electric vehicle according to the vehicle position information and the battery state information of the electric vehicle; and the loud management server allocating the battery replacing device suitable for replacing the battery of the electric vehicle for the electric vehicle from the multiple battery replacing devices having the power battery replacing ability around the electric vehicle. By applying the electric vehicle battery replacing method and the cloud management server, the electric quantity power battery insufficient in electric quantity can be simply and quickly replaced for the electric vehicle, so that the electric quantity of the power battery of the electric vehicle is guaranteed.

The invention provides an energy supplement system for electric vehicle. The electric vehicle includes one or more wheels and a motor driving the wheel(s) of the vehicle and powered by batteries; the method comprises the following steps: determining the state of the vehicle batteries; determining the geographic position of the vehicle; and based on the state of the vehicle batteries and the geographic position of the vehicle, bringing a mobile battery replacement device to a predetermined location for vehicle battery replacement. The invention also discloses a system and a device for energy supplement of the electric vehicle, which flexibly and conveniently provides battery replacement for the electric vehicle so that the driver does not get concerned about the travel mileage of the vehicle.

The present invention relates to a lithium ion battery SOC (State Of Charge) prediction method based on a recurrent neural network, belonging to the field of electric vehicle battery management systems. The method comprises the steps of: employing a sliding window algorithm to improve battery external parameter data obtained through several experiments and a data set commonly formed by corresponding SOC values at present, employing the improved recurrent neural network, namely a long short-term memory network method to establish a power battery SOC estimation model, performing repeated verification through experiments to obtain a network layer function and a gradient regulation method, and finally, setting different learning rates to verify a prediction result of the model. The lithium ionbattery SOC (State Of Charge) prediction method can accurately predicate an SOC value at the next moment, is high in prediction precision, short in training duration and low in cost, and can be widely applied to a battery management system on the electric vehicle power battery.

A method of controlling electrical energy in a battery-powered vehicle wherein the vehicle includes a battery and a traction motor is provided. The method includes electrically coupling an external source of electrical energy to a unitary, integrated traction motor controller/vehicle battery charge controller positioned on-board the vehicle, controlling electrical energy flow to a vehicle battery with the unitary, integrated traction motor controller/vehicle battery charge controller during a charging period, and controlling electrical energy flow to a vehicle traction motor that is operable to propel the vehicle with the unitary, integrated traction motor controller/vehicle battery charge controller during a transport period.

This present invention provides a method for portable electric vehicle battery replacement comprised of providing a platform adapted for holding an electric vehicle upon it, storing a plurality of electric vehicle batteries, and loading charged batteries into the electric vehicles.

A battery pack protection system is provided for use with an electric vehicle in which the battery pack is mounted under the car. The system utilizes a plurality of deformable cooling conduits located between the lower surface of each of the batteries and the lower battery pack enclosure panel, with a thermal insulator interposed between the conduits and the lower enclosure panel. A layer of thermally conductive material may be included which is interposed between the cooling conduits and the thermal insulator and in contact with a lower surface of each of the cooling conduits. The cooling conduits are configured to deform and absorb impact energy when an object, such as road debris, strikes the lower surface of the lower battery pack enclosure panel. Further protection may be achieved by positioning a ballistic shield, alone or with a layer of compressible material, under the bottom surface of the battery pack.