70results about How to "Long charging time" patented technology

A charging system and the charging method are provided. The charging system comprises a charging unit and a rechargeable unit. The rechargeable unit includes a first wireless communication apparatus and a first wireless charging module. The charging unit includes a second wireless communication apparatus, a second wireless charging module and a processing module. The charging method comprises the steps of: transmitting an authentication code and a charging signal to the second wireless communication apparatus by the first wireless communication apparatus; verifying the authentication code by the processing module after receiving the authentication code and the charging signal from the second wireless communication apparatus; charging the first wireless charging module via wireless charging by the second wireless charging module controlled by the processing module when the authentication code is verified.

A capacitive sensing system (100) can connect groups of capacitive sensors (112-1 to 112-N) to a common node (106) to detect change in capacitance. States of a set of capacitive sensors (112-1 to 112-N) can thus be scanned faster than approaches that scan such sensors one-by-one. Faster scanning can allow for reduced power consumption in applications that only periodically scan the set of capacitive sensors (112-1 to 112-N).

A traction power source for electric vehicles in a single unit. Specifically, traction power source integrates several functions, such as the battery and inverter. In addition, further functionalities that are traditionally in separate units can be integrated into the system and efficiently performed by the same electronics, such as battery management and thermal management.

A method for managing the charging of a battery array 100, including the steps of: charging the battery array with a constant current at maximum rating 101; monitoring the status of a plurality of partitions among the battery array for overheating conditions 102; reducing the charging current to turn off charge balancing when overheat conditions are detected in any of the partitions 105; maintaining the charging current when overheat conditions are eliminated in all of the partitions 103; and repeating the steps of reducing and maintaining charging current until the charging current reaches the optimum rating where heat generated thereby can be tolerated.

The transportation system in this invention provides vehicle coupling units which allow the electrical connections and reconfigurations of two or more vehicles together at highway speeds. The coupling unit provides for the bidirectional exchange of electrical power between these vehicles to meet the various power demands of each vehicle. The system is designed to permit coupling and decoupling process of the vehicles while they are traveling at highway speeds. To facilitate the coupling event, each vehicle will employ vehicle active steering, vehicle active suspension, and coupler joint articulation, which will be under vehicle computer control, and will employ vehicle to vehicle data communication. This transportation system allows the electric vehicles to electrically and mechanically couple together for flexible electrical power sharing to achieve the extension of the range of electrically powered vehicles to minimize the time needed for stationary re-charging of electrical vehicles required by electrical charging stations.

An electronic flash charger having an electronic flash charging circuit of a separate excitation oscillating. The charger includes: a flyback transformer, having at least a primary coil and a secondly coil; a switching element for turning on or off electric power, to be supplied to the primary coil, based on control signals supplied to a control input terminal; a rectifying diode for rectifying a flyback pulse generated on the secondly coil when the switching element is changed from ON state, that the electric power is turned on, to OFF state, that the electric power is turned off; a main capacitor for charging a current rectified by the rectifying diode; and an oscillation controller for generating control signals for changing at least one of time spans of ON state and OFF state of the switching element in accordance with a period from generation to extinction of the flyback pulse generated on the secondly coil, and for supplying the control signals to the control input terminal of the switching element.

A method includes applying a signal to a primary coil of an external charging device. The signal causes the primary coil to inductively couple to a secondary coil of an implantable medical device that is implanted within tissue of a patient. The method also includes measuring a current at the primary coil. The method further includes estimating a depth of the implantable medical device within the tissue of the patient based on the measured current.

A method includes applying a signal to a primary coil of an external charging device. The signal causes the primary coil to inductively couple to a secondary coil of an implantable medical device that is implanted within tissue of a patient. The method also includes measuring a current at the primary coil. The method further includes estimating a depth of the implantable medical device within the tissue of the patient based on the measured current.

The present invention provides a battery charging system that includes: an assembled battery, in which a plurality of secondary batteries are connected in parallel using valve-regulated lead-acid batteries in which separators impregnated with electrolyte are arranged between mutually opposed plate-like positive electrodes and negative electrodes; and a plurality of charging units that are provided corresponding to the respective secondary batteries and that charge the corresponding secondary battery, respectively, wherein each of the charging units executes multistage constant-current charging in which constant-current charging is repeated a preset plurality of times for supplying current of a prescribed set current value to each corresponding secondary battery until the terminal voltage of the each corresponding secondary battery reaches a prescribed charging cutoff voltage, and also the set current value is reduced each time the constant-current charging is repeated.

A fraction of the battery energy is kept in reserve during operational use of a battery-powered apparatus. The motor of the apparatus is switched off when the battery has discharged to the level of this reserve fraction. The reserve is made available again for operational use when the user has recharged the apparatus for a little while. This approach 5 simulates a super fast charging operation.

A motor vehicle with an electrical system includes a low-voltage network with a first electrical energy storage device operating at a first voltage and a high-voltage network with second electrical energy storage device operating at a second voltage higher than the first voltage. The second energy storage device is divided in a first partial energy storage device that has the same voltage as the first energy storage device and is connected in parallel with the first energy storage device, and a second partial energy storage device that is connected in series with the first partial energy storage device.

The invention discloses an automatic charging device for recessed electric rails of electric vehicles driven on a highway. A left recessed electric rail and a right recessed electric rail are arranged on the two sides of the middle part of vertical rods of partition fences in the middle of a bi-directional lane; a left grounded electric rail and a right grounded electric rail are arranged on the two sides of the lower ends of the vertical rods, and are not arranged at the crossroads, so that a pavement is not occupied, transportation and city appearance are not affected, and electric vehicles can be charged automatically as long as moving near to the double electric rails of the partition fences; a power supply cavity opening below a n-shaped plastic track of each recessed electric rail faces downwards, and a power supply copper square pipe is hidden at the upper part inside the cavity to prevent the invasion of water sprayed from various directions; the head ends of the left electric rail and the right electric rail pass through an underground cable, and are connected with a power supply of a toll power feeding station; an arc ground wire carbon brush of an automatic transformation carbon brush rack of a vehicle-mounted electrical control automatic current collector rotates backwards automatically through the elastic force and sliding friction force between the arc ground wire carbon brush and an grounded electric rail copper square pipe; a live wire carbon brush rack erects upwards, a positioning claw positions the live wire carbon brush rack in the vertical state, the upper end of a live wire carbon brush is positioned in the middle of the copper square pipe inside a recessed electric rail cavity and receives electricity through sliding and connection; when the vehicle leaves from the double electric rails, the current collector is shrunk automatically, and the vehicle bottom can be concealed.

Disclosed is a universal rod powered electric automobile highway driving automatic charging device. The middle of a two-way charging highway which is arranged on the universal rod powered electric automobile highway driving automatic charging device is provided with a partition fence. The upper end of a left and right end of the partition fence is provided with a double-way stealth electric rail and the lower end of the left and right end of the partition fence is provided with a double-way grounding electric rail and an identification control box to form an urban driving charging road of a two-way electric rail small unit identification power supply line section and large unit power supply network. The two-way electric rails are not arranged at the position of an intersection and accordingly the occupied road area is small and the traffic and the city appearance are not affected. An electric automobile is provided with a vehicle-mounted automatic powered device, a vehicle-mounted intelligent watt hour meter and a powered intelligent controller, the vehicle drives close to the partition fence, a vertical powered frame can be vertically and laterally driven by a universal rod of the vehicle-mounted automatic powered device to be automatically guided into the double-way stealth electric rail, an upper and lower carbon brush of the vertical powered frame and the upper and lower electric rail are powered, the automatic sliding connection can be achieved, a universal rod powered device is light and flexible, the extension powered and recycling effects can be automatically and rapidly achieved, and the frequent connection and disconnection with the upper and lower electric rail is allowed. According to the universal rod powered electric automobile highway driving automatic charging device, the charging is convenient, flexible and efficient and the problem of the charging of the electric automobile is effectively solved.

A low dropout linear regulator, a starting method, an electronic device, and a chip are provided. The starting method includes the steps of beginning a soft-starting process of the low dropout linear regulator and providing a first current; when an output voltage of the low dropout linear regulator reaches a starting voltage, providing a second current; and dynamically adjusting a threshold of an over current during the soft-starting process of the low dropout linear regulator, wherein the over current includes at least one of the first current and the second current. Through the low dropout linear regulator, the starting method, the electronic device, and the chip, there is short starting time and less overshoot of the output voltage, thereby achieving a fast and safe starting process. Moreover, the circuit is protected, and the usage quality and life is enhanced.

The invention discloses a LiNbO3 / PAN compound nanofiber electret anti-haze window screening and a preparation method thereof. The window screening comprises three fiber membranes which are a core layer, a substrate and an upper layer. The core layer is LiNbO3 / PAN compound nano fibers, the substrate is a silver plated high molecular netty structure, and the upper layer is a black dacron non-woven fabric. The LiNbO3 / PAN compound nano fibers are adhered to the silver plated high molecular netty structure by means of electrospinning to obtain the silver plated netty structure through which the LiNbO3 / PAN compound nano fibers are attached. The silver plated netty structure through which the LiNbO3 / PAN compound nano fibers are attached is attached to the black dacron non-woven fabric through ultrasonic waves. The LiNbO3 / PAN compound nanofibers are prepared by means of electrospinning. The average diameters of the nanofibers are about 100 nm, and the nanofibers are high in strength and good in filter effect and are easily attached to the high molecular non-woven fabric.

The invention relates to an intelligent wearable terminal, in particular to an intelligent bracelet for measuring the blood pressure and the heart rate. The intelligent bracelet includes at least two bracelet bodies, a blood pressure acquisition device and a heart rate acquisition device; the blood pressure acquisition device includes that a closed ring is formed by connecting the bracelet bodies through a buckle, grooves are formed in the inner sides of the bracelet bodies, the grooves form a closed circumference in the extending directions of the bracelet bodies, air bags matched with the grooves in shape is arranged are the grooves, and the air bags are connected with an air pump and a pressure sensor; the heart rate acquisition device includes a photosensitive chip and a vibration sensor; both the blood pressure acquisition device and the heart rate acquisition device are connected with a control system installed in the ring, the heart rate acquisition device is used for acquiring heart rate information of a user and uploading the heart rate information to a central processor, and the blood pressure acquisition device is used for acquiring blood pressure information of the user and uploading the blood pressure information to the central processor.

The present invention relates to a battery pack having a function for calculating a remaining capacity of a battery cell that can be charged. When a calculated capacity integrated value Y is smaller than a maximum capacity integrated value Ym, a microcomputer (5) incorporated in the battery pack determines the capacity integrated value Y as the remaining capacity data of a battery. When the calculated capacity integrated value Y is the maximum capacity integrated value Ym or larger, the microcomputer determines the maximum capacity integrated value Ym as the remaining capacity data of the battery. Further, the microcomputer (5) corrects a reference capacity integrated value Y0 on the basis of the number of times that the capacity integrated value Y reaches the maximum capacity integrated value Ym.

What is disclosed here is an Alternative Energy Booster Apparatus that was invented to increase the performance and sustainability of solar panel energy creation. The apparatus evens out the energy being stored, used and created and provides an energy security when the grid goes down. The apparatus can also be used to alleviate energy poverty, as an accessory for solar panel installations to be able to provide energy during the night time.

The invention relates to a foreign fiber separating device, in particular to a tower type multi-stage electrostatic zero-damage foreign fiber separating device. The tower type multi-stage electrostatic zero-damage foreign fiber separating device comprises a rack, a motor, a feed inlet, a conveying mesh belt, a transmission gear, a high voltage electrostatic generator, an electrode plate, a sawtooth-shaped electrode, a seed cotton sliding plate, a hairbrush, a foreign fiber conveyor belt and a foreign matter negative-pressure output pipeline. Compared with the prior art, by adopting a tower type multi-stage electrostatic separating principle, the electrical charge time of foreign fiber during a separating process is longer, foreign fiber removing on multiple a plurality of contact surfaces of cotton seeds is realized through falling and rolling of the cotton seeds, and the separating efficiency is higher; a rapid collection of impurities such as dust and hairs can be completed while the foreign fiber is collected by using the foreign matter negative-pressure output pipeline, and secondary pollution is avoided; meanwhile, a zero-damage separation on the foreign fiber of the cotton seeds is realized through adopting modes of static electricity and falling and rolling of the cotton seeds.

A system for managing charging of each of a plurality of automated guided vehicles that travels on an orbiting route in an unmanned manner using a battery mounted thereon as a driving source, in which the battery is charged at a charging station installed at a predetermined position on the orbiting route, includes: an after-charging voltage recording unit for recording a voltage after charging at the charging station for each of the automated guided vehicles; a charge priority setting unit for setting up charge priority of each of the automated guided vehicles on the basis of voltage values of voltages after charging recorded in the after-charging voltage recording unit; and a charging target value setting unit for setting up a charging target value of each of the automated guided vehicles on the basis of the charge priorities set up by the charge priority setting unit.

A vehicle includes: a battery that is chargeable with electric power supplied from a charger provided outside the vehicle; and an air-conditioning and cooling system that cools the battery. An ECU controls a charging operation for the battery such that the battery is charged under a charging condition of a constant current which is constant over a charging period from start of charging to satisfaction of a completion condition. The ECU sets the charging condition such that a battery temperature when the completion condition is satisfied becomes an upper limit temperature, based on an amount of heat generation in the battery caused by charging and an amount of cooling of the battery by the air-conditioning and cooling system.

A hydraulic system includes an actuator operating as a consumer of hydraulic energy and as a generator of hydraulic energy in different operating states, and includes a hydraulic accumulator (1). In an operating state of the actuator (49), the accumulator can be charged by the actuator for storing energy. In a different operating state, the accumulator can be discharged for delivering energy to the actuator (49). The hydraulic accumulator is an adjustable hydropneumatic piston accumulator having a plurality of pressure chambers (19, 21, 23, 25) adjoining effective surfaces (11, 13, 15, 17) of different sizes on the fluid side of the accumulator piston (5). An adjusting arrangement (51) connects a selected pressure chamber (19, 21, 23, 25) or a plurality of selected pressure chambers (19, 21, 23, 25) of the piston accumulator (1) to the actuator (49) as a function of the pressure level that prevails on the gas side of the piston accumulator (1) and on the actuator (49).

A charging means and apparatus which can quickly charge the secondary battery, the apparatus includes a plurality of power supply battery packs, each power supply battery pack corresponds to a charge-discharge circuit, and a microcontroller. The microcontroller sequentially and rotationally selects one of the pluralities of power supply battery packs to charge the secondary battery, and the plurality of power supply battery packs will be recharged after the discharging. After the discharging of the last one of the plurality of power supply battery packs is completed, the power supply battery pack which discharges firstly has done the recharging process and ready to discharge a again, and thus making sure at least one power supply battery pack is in fully charged condition, which is ready to discharge anytime.