107results about How to "Meet charging requirements" patented technology

The present invention provides for multiple energy pooling stations to combine renewable energy, utility energy and back-up power services in the form of Green and Black Energy with energy storage to create a multi-income stream. An energy pooling station is an advanced part of an evolving “energy network” in which multiple energy pooling stations are communicating with each other to share energy credit, bank energy, and distribute the energy to customers.

Disclosed is a charging machine including a main charging circuit and a charging control circuit, the main charging circuit comprises a filter circuit, a rectifier filter circuit, a pulse bleeder circuit, a half-bridge inversion circuit, a drive control circuit and a high frequency rectifier charging circuit, the charging control circuit comprises a power supply circuit, a voltage stabilizing circuit, a self-recycle circuit, a current detecting circuit, a voltage detecting circuit and a temperature detecting circuit, and the charging control circuit also comprises a control display circuit and a pulse modulation switching power supply integrating control circuit. The charging machine can effectively release the sulfation phenomenon of a battery plate by controlling a single chip microcomputer in the control display circuit to adopt multi-stage pulse type charging method, fives stages including constant current, constant voltage, floating charge I, average charge and floating charge II. Each stage in process outputs different duty cycle pulsing signal through the control of single chip microcomputer and then a half-bridge power tube is controlled to reach intermittent pulse current charge and depolarization effect.

The invention relates to a self-adjusting wireless charging system and method for an electric automobile and belongs to the technical field of electric automobile charging. Compared with a wired charging system, the operability of the wireless charging system is simpler. When the distance between a transmitting coil and a receiving coil is within the range of 50 cm, high-efficiency power transmission can be achieved. A variable current load tracking charging mode is further contained, charging can be performed according to the optimal charging current curve, so the service life of a battery is prolonged. Wireless charging is independent of automobile model numbers and the size and the shape of an energy receiving unit, so the electric automobile can charge the battery without depending on external connection equipment. In addition, according to the self-adjusting wireless charging system and method, a wireless power generation device and a wireless power receiving device can be in real-time communication, and the output power of the wireless power generation device can be adjusted according to the state of the battery, so the control mode of load tracking is achieved; the self-adjusting wireless charging system and method enable charging equipment to be higher in reliability and longer in service life, can meet the requirement for electric automobile charging of clients and is high in charging efficiency and practicality.

The invention discloses a buck-boost adjustable quick charger under a 12V direct-current onboard power supply. The 12V onboard power supply is connected with a power supply voltage detection circuit, a power supply conversion circuit, a power switch drive module and a buck-boost adjustable control circuit respectively; an output of the power supply conversion circuit is connected with the power switch drive module; a microprocessor is externally connected with an output of the power supply voltage detection circuit, an output of a charge mode setting module, an output of a voltage-current detection circuit and an input of the power switch drive module respectively; and an output of the power switch drive module is connected with the buck-boost adjustable control circuit, a battery and an input of the voltage-current detection circuit in turn. The quick charger integrates the buck-boost functions, automatically converts buck-boost modes under the condition of the 12V fixed input power supply and adjusts the charge current to realize stage charge for the batteries of different voltage requirements, has simple circuits, is convenient to control, and meets the charge requirements of various batteries of 0 to 20V so as to solve the charge problem in self-driving travel of people.

The invention discloses a lead paste formula of energy storing accumulators. An anode lead paste formula comprises the following raw materials of 6.5wt% to 8wt% of dilute sulphuric acid, 10wt% to 11wt% of deionized water, 15wt% to 30wt% of red lead, 0.1wt% to 0.3wt% of aquadag, 0.08wt% to 0.25wt% of stannous sulfate, 0.06wt% to 0.10wt% of polyester staple fiber and the balance of lead powder; and a cathode lead paste formula comprises the following raw materials of 7.5wt% to 8.5wt% of dilute sulphuric acid, 9wt% to 10wt% of deionized water, 0.5wt% to 0.8wt% of barium sulfate, 0.15wt% to 0.25wt% of acetylene carbon black, 0.30wt% to 0.40wt% of humic acid, 0.06wt% to 0.10wt% of polyester staple fiber and the balance of lead powder. After being made into accumulators, the lead paste prepared by the formula and the preparation method thereof has high initial capacity and cycle life, has high overdischarge resistant performance and charging accepting capability far higher than standard requirements, and can fully meet requirements for performance of the energy storing accumulators.

The invention relates to a grid driving method, a grid driving circuit and a pixel structure. The grid driving method comprises the following steps of: loading first grid driving voltage on the grid of the pixel of which the data driving voltage is a positive-polarity signal, and loading second grid driving voltage on the grid of the pixel of which the data driving voltage is a negative-polarity signal, wherein the first grid driving voltage is higher than the second grid driving voltage. In the invention, different grid driving voltage is loaded on the grids of the pixels of the positive-polarity signal and the negative-polarity signal so as to meet charging requirements of the pixel electrodes of the positive-polarity signal and the negative-polarity signal; simultaneously, the lower second grid driving voltage is loaded on the grid of the pixel of the negative-polarity signal so as to effectively solve grid bias problem of a thin-film transistor (TFT) and prolong the service life of the TFT; compared with the prior art, the invention has the advantage that: the consumption power of loading the second grid driving voltage is low, so that the power consumption of a liquid crystalpanel is reduced.

The invention provides a wireless charging system for an electric vehicle. The wireless charging system comprises the components of a first wireless charging device with a first coil; an electric vehicle which comprises a power battery assembly with a power battery; and a second wireless charging device which is provided with a second coil. The second coil is coupled with an electromagnetic field which is generated by the first coil and performs energy conversion. When the temperature of the power battery is larger than a first preset temperature and is lower than a second preset temperature, the second wireless charging device charges the power battery in a pulse charging mode, wherein the second wireless charging device charges the power battery in a first preset time period in the pulse charging mode. Afterwards the power battery performs energy feedback on the first wireless charging device in a second preset time period. The wireless charging system does not require heating in charging the power battery in a low-temperature environment, and furthermore a superfluous electric energy can be returned to an electric network. The invention further provides a wireless charging method for the electric vehicle.

The invention discloses a charging device for the storage battery of an electric locomotive, and a charging method, wherein the charging device comprises an AC power supply, a monitoring system, sensors, a plurality of AC/DC modules, and a storage battery and further comprises a filtering device and an over-voltage protection device, wherein the sensors include a temperature sensor and a current sensor, the charging voltage of the storage battery is correspondingly adjusted according to the temperature variation in the environment where the storage battery is located, so that the charging time is effectively reduced, the charging efficiency is improved, the charging requirements of the storage battery can be well met, and the problems that the lead acid storage battery is vulcanized and the capacity is reduced when the environmental temperature is over low, and thermal runaway occurs on the lead acid storage battery and the performance and the service life are weakened when the storage battery is under an over-high environmental temperature are solved.

A current amplification quick charge circuit used for a hand-hold electronic device comprises a charge management module which is integrated inside a master chip of the hand-hold electronic device orembedded independently, and a rechargeable battery, particularly comprises a basic charging current sampling resistor, a current amplification charging current sampling resistor and a comparation current amplification module; and when the charge management module charges the rechargeable battery, the comparation current amplification module outputs the amplified current from a current amplificaiton output port according to the voltage difference between two comparing input ports. The current amplification quick charge circuit has simple structure, occupies small space of a printed circuit board, greatly improves the practical charging current to the rechargeable battery according to proportion by the two sampling resistors and the comparation current amplification module, improves chargingspeed, satisfies the charging requirement to high-capacity rechargeable batteries, simultaneously keeps the charge management module to conduct three-stage charge, namely, low current precharge stage, constant current charge stage and constant voltage charge stage, to the rechargeable battery, and is beneficial to maintaining the service life of the rechargeable battery.

The invention relates to a motor train unit charger battery charging control method. The method comprises the steps that: a battery type is identified, specifically, the battery type is identified according to a fault state of a temperature sensor arranged in a battery and the communication state of a charger and a BMS system of the battery; if the identified battery type is a storage battery, a storage battery charging control strategy is executed to perform charging management on the storage battery; if the identified battery type is a lithium battery, the charger is in normal communicationwith the BMS system, and the BMS system detects that the lithium battery does not have a fault, a preset lithium battery charging control strategy is executed to perform charging management on the lithium battery; and if the battery type cannot be identified, the charger performs charging according to a preset minimum charging voltage reference value and a preset charging current reference value.According to the method, the battery type can be automatically identified, the corresponding charging control methods are specifically provided according to the identified different battery types, universality, integration and reliability are achieved, and the power supply requirement of a motor train unit is met to the maximum extent.

The invention discloses an intelligent vehicular lithium battery charger. The intelligent vehicular lithium battery charger comprises a starting unit, a measurement unit, a calculation unit, a control unit and an output unit and is characterized in that the starting unit comprises a soft starting circuit, a rectifying and filtering circuit, a power factor compensation circuit, a resonant switching circuit and an auxiliary power supply circuit; the measurement unit comprises a charge state detection circuit, a voltage and current sampling circuit and a temperature acquisition circuit; the calculation unit comprises a micro-processor and an LCD (Liquid Crystal Display); the control unit comprises a PWM (Pulse-Width Modulation) controller and a keystroke input circuit; and the output unit comprises the rectifying and filtering circuit and an anti-reverse output circuit. A feedback control system is adopted in the charging system; therefore, over-current, over-voltage and over-heat phenomena in the charging process can be effectively avoided; simultaneously, instant charging voltage and current can be given by the micro-processor according to battery parameters provided by a battery manufacturer; an optimized charging scheme is realized; the charging equilibrium is good; and thus, the service life of a battery is prolonged easily.

The invention relates to a charging heat-accumulating device of a Stirling engine. The charging heat-accumulating device is used for supplying heat to the Stirling engine. The charging heat-accumulating device comprises a heat-accumulating cavity, wherein a heat-accumulating medium is arranged in the heat-accumulating cavity; an electric heating device is arranged in the heat-accumulating cavity; a heat-sink port which is communicated with a heat absorption end of the Stirling engine is formed on the heat-accumulating cavity; and a valve of which the aperture is adjustable is arranged at the heat-sink port. The charging heat-accumulating device of the Stirling engine has the advantages that the heat can be quickly re-supplied by the heat-accumulating medium and slowly released, and requirements on long-time stable operation of the Stirling engine under the condition that the heat is not re-supplied can be met, so the Stirling engine is applicable to various occasions, and particularly, the superiority of the device can be shown on mobile equipment.

The invention discloses an M3C pre-charging method based on staggered grouping. According to the invention, on the premise that the capacitor voltage of an M3C system is charged, the pre-charging timeis shortened as much as possible and the control is simple, the pre-charging voltage can still reach a required set value when the input side (charging power supply) is relatively low and the numberof sub-module capacitors is relatively large and the voltage is relatively high, and meanwhile, the sub-module capacitor voltage is balanced. On the basis of the analysis, a grouping method is reformulated instead of simply dividing into two types, and an interleaved charging method is used at the same time, so that the charging time difference is reduced as much as possible, and the capacitor voltage is prevented from changing greatly after the charging is completed.

The invention discloses a charging protection method based on an intelligent socket. The method comprises the following step: S100) when a device to be charged is charged on the intelligent socket, collecting a charging current provided to the device to be charged by the intelligent socket; S200) comparing the collected charging current of the device to be charged with a stored charging current memory curve of the device to be charged to judge whether the device to be charged finishes charging, and if so, entering the step S300); and S300) disconnecting the electrical connection between the intelligent socket and the device to be charged. Besides, the invention also discloses the intelligent socket, which comprises an acquisition unit, a storage unit, an operation unit and a control unit.The method realizes charging control on the intelligent socket serving as a power supply end, so that charging can be controlled simply and effectively; and after the electrical device finishes charging, automatic power off is realized to achieve a battery protection purpose, thereby preventing the danger of damaging the battery due to overcharge of the charging device.

The invention relates to an orderly charging scheduling system and method for electric vehicles based on cloud computing, and the method comprises the steps: calculating the task priority of each to-be-charged electric vehicle in each time slice, meeting the requirements that charging is completed in a charging duration set by a user, setting a multi-stage queue according to the priority, enablingthe queue with the high priority to be charged preferentially, sorting the to-be-charged electric vehicles in the queue according to priorities, randomly determining a sequence for the to-be-chargedelectric vehicles with the same priorities, when the idle charging position exists and the priority of each to-be-charged electric vehicle of the user meets the requirement, generating a guide for theuser to arrive at the target position, and guiding the user to arrive at the target position for charging and settlement. The cloud computing platform is used for processing big data, an optimal charging scheme is rapidly and accurately provided for a power grid, a charging station and a user, on the premise that user requirements are guaranteed, the operation safety and benefits of the power grid are improved, and unified dispatching control over charging of the electric vehicles in the regional power grid is achieved.

The present invention discloses a high-power intelligent charging machine and its charging method. Said charging machine includes controllable rectification circuit and control unit, also includes monitoring circuit, D/A conversion circuit, A/D conversion circuit and trigger circuit. Said invention adopts a current variable charging method, according to the detected quantity of electricity in theaccumulator, initially it uses heavy-current to charge, then progressively reduces current until the charged electric quantity is enough, the current can be reduced to zero, so that the charging operation can be automatically implemented according to predefined charging curve. Besides, said invented charging machine is intelligent, can greatly prolong life of accumulator, shorten charging time and can save energy.

The invention solves a power distribution problem of an electric vehicle DC charging pile, the output power of each gun in two guns or multiple guns can be adjusted at any time, thereby distributing the power more effectively, the energy efficiency transmission rate of the cable is improved, and the charging pile efficiency is improved.

The invention discloses a preheating charging control method for a lithium ion battery. The method comprises the steps of: firstly, establishing a thermoelectric coupling temperature and cathode potential estimation model; secondly, heating the battery to a preset charging initial temperature before charging according to the initial electric quantity and the temperature state of the battery; then charging the battery with a preset charging current again, in the charging process, estimating the current cathode potential and temperature of the battery in real time by utilizing the temperature of the battery and the cathode potential estimation model; and finally adjusting the charging current in real time by utilizing an optimization algorithm. According to the scheme, by establishing the thermoelectric coupling temperature and cathode potential estimation model, the anode characteristics and the cathode characteristics of the battery are separated, and the change rules of the cathode potential, the total battery voltage and the surface temperature in the charging process of the battery are accurately simulated. And the closed-loop estimation algorithm and the control optimization algorithm are used for adjusting the charging current in real time, so that the charging capacity of the battery is maximized in a safe charging interval, and safe and quick charging of the battery is realized.

The invention discloses a combined type charge pal, and relates to an electronic product charging tool. The combined type charge pal comprises a plurality of secondary power supply modules, and the secondary power supply modules are cube-like; the front surfaces of the secondary power supply modules are provided with charge grooves, the charge grooves are internally provided with USB interfaces and DC power supply interfaces, the back surfaces of the secondary power supply modules are provided with input ends, the center positions of the left surfaces and the right surfaces of the secondary power supply modules are provided with serial ports, the center positions of the top surfaces and the bottom surfaces of the secondary power supply modules are provided with parallel ports, the four corners of any one surface of each secondary power supply module are uniformly provided with connection ports, and the plurality of secondary power supply modules are combined together through the connection ports. Compared to the prior art, the charge pal is provided with the plurality of independent secondary power supply modules, and the secondary power supply modules can carry out charging individually and can also be combined to form composite modules in different shapes with different electric quantities. When the secondary power supply modules are combined to form the different composite modules, the charge pal is applied to electronic products with different voltages and different electric quantities.

The invention discloses a turning cover type solar charging device of a camping radio set. The charging device comprises a control circuit board assembly composed of a radio set control circuit mainboard (8), a charging battery box cover (5) and charging batteries (16). The charging device is characterized by also comprising a turning cover type solar charger and a mobile phone charging interface assembly. A solar power generator is placed in the upper rear portion of the camping radio set, the control circuit board assembly is placed in the upper front portion of the camping radio set, and a mobile phone charging portion is placed at the bottom of the camping radio set. Two solar batteries are arranged in the space of the camping radio set, the charging efficiency is effectively improved, the problem that mobile equipment as a mobile phone cannot be used normally due to insufficient power in the camping process can be solved, it is ensured that a camper can keep in touch with the external at any time in the camping process, and the solar charging device has the advantages of reliable work and convenient use and maintenance.

The invention discloses a low-temperature-resistant multifunctional charging device. A body of the device is of a cuboid hollow structure; three to four battery bins which are arranged on the same plane in parallel are disposed inside the body; a heating device is disposed on the top of a body; a power input interface is disposed on a rear end in the length direction of the body; a power output interface and a flashlight lighting head which is embedded in the body are disposed on a front end of the body; a control module is also disposed in the body; and the control module is connected with the power input interface, the battery bins and the power output interface. According to the low-temperature-resistant multifunctional charging device, the problems in the prior art that a charging device has a single function and cannot satisfy the requirement for battery charging in a low-temperature state are effectively solved; the charging device disclosed by the invention has multiple functions and can satisfy the requirement for battery charging in the low-temperature state and has very high practical value.