40results about How to "Guaranteed charging speed" patented technology

The invention discloses a charging method and electronic equipment. The charging method includes the steps that the voltage of a battery of the electronic equipment is monitored in real time; when the voltage of the battery is within a low voltage range and the electronic equipment needs to be charged, the battery is charged according to a first charging rule, wherein the first charging rule comprises at least two charging stages. According to the technical scheme, the technical problem that according to electronic equipment in the prior art, neither the service life of a battery nor the energy density of a battery core can be guaranteed is solved, and the charging speed of the initial stage is increased.

The invention discloses a charging method, a charging device and terminal equipment. The charging method comprises the following steps of monitoring an application program currently running during the charging process; inquiring a retrieval table, wherein the retrieval table comprises a corresponding relation of the application program and a charging strategy; and executing a corresponding charging strategy according to an inquiry result, i.e., the charging strategy with relatively low charging power can be executed when a high-energy consumption application program runs so that a terminal is prevented from seriously generating heat to affect an application experience of a user, and the charging strategy with relatively high charging power can be executed when no high-energy consumption application program runs so that the charging speed is ensured. By the method, the application experience of the user is improved during the rapid charging process, the charging speed and the application experience of the user are compatible, the satisfaction of the user is improved, and the competitiveness of a product is enhanced.

The invention discloses a method for adjusting charging current, a terminal and a computer readable storage medium. The method comprises the following steps: acquiring the first beginning time of this charging at the terminal when detecting that the terminal is in the charging state; predicting the first time duration of this charging according to the charging habit of the user to the terminal and the first beginning time, wherein the charging habit comprises the second beginning time of former each charging of the terminal and the corresponding second time duration; when the first time duration is not less than the first time threshold, setting a temperature threshold of the current charging current as the first temperature threshold; when the first time duration is less than the first time threshold, setting the temperature threshold of the current charging current as the second temperature threshold, wherein the first temperature threshold is less than the second temperature threshold. By using the method disclosed by the invention, the charging habit of the user can be learned, whether the current charging needs to preferably guarantee the charging speed or preferably guarantee the temperature rise experience can be judged according to the charging habit, thereby intelligently adjusting the charging current, and the user can acquire better charging and temperature rise experience.

The embodiment of the invention provides a terminal battery charging method and a mobile terminal. The method comprises steps: voltage of a rechargeable battery of the mobile terminal is charged to initial cutoff voltage and current of the rechargeable battery is charged to initial cutoff current; and if the charge and discharge cycle number of the rechargeable battery is larger than a preset cycle number threshold and the current state information of the rechargeable battery meets a first preset condition, the rechargeable battery is subjected to supplementary charge, and thus, the voltage ofthe rechargeable battery is charged to preset cutoff voltage and the current of the rechargeable battery is charged to preset cutoff current. In the embodiment of the invention, when the charge and discharge cycle number is judged to meet the preset cycle number threshold, the current state information of the rechargeable battery is judged to meet the first preset condition, the rechargeable battery is subjected to supplementary charge, and on the basis of ensuring the charge speed, insufficient charge caused by polarization of the battery in the later stage of use of the mobile terminal canbe effectively avoided, and the use experience of a user is further improved.

The invention discloses an annular matrix type rapid charging system with a plurality of parallel power segments and a control method thereof. The annular matrix type rapid charging system is arranged in an electric vehicle charging station to output electric energy to electric vehicles. The annular matrix type rapid charging system with the plurality of parallel power segments is characterized by comprising a plurality of alternating-current buses, a plurality of conversion assemblies and a plurality of bridging assemblies, wherein the plurality of conversion assemblies are correspondingly connected with the alternating-current buses respectively; the bridging assemblies are connected with the conversion assemblies respectively; the conversion assemblies comprise a plurality of power modules and a plurality of transverse bridging switches; the alternating-current buses are connected with one another. By adopting the annular matrix type rapid charging system with the plurality of parallel power segments, corresponding nodes of the power modules are connected in a matrix form, and electric vehicle loads which are connected to the nodes can obtain higher input power conveniently and rapidly through connection matching among the nodes, so that the charging speeds of the electric vehicles which are connected with the annular matrix type rapid charging system with the plurality of parallel power segments are ensured, and meanwhile the investment of the power modules in the charging system is lowered.

The invention provides a charging method, a charging device and electronic equipment, and belongs to the field of electronic technologies. The charging method comprises the steps of acquiring an electric energy conversion efficiency function of each charging management unit of at least two charging management units; determining at least two charging current distribution schemes; calculating the total electric energy conversion efficiency of each charging current distribution scheme at least according to the electric energy conversion efficiency function of each charging management unit; determining a target charging current distribution scheme according to the total electric energy conversion efficiency of each charging current distribution scheme; and controlling each charging management unit to output charging current according to the target charging current distribution scheme. By adopting the charging method provided by the invention, each charging management unit is enabled to output charging current according to a distribution scheme with the highest total electric energy conversion efficiency when a plurality of charging management units output the charging current together, so that the electric energy conversion efficiency in the charging process is improved on the basis of ensuring the charging speed.

The invention discloses an electric power inspection unmanned aerial vehicle charging platform which comprises a charging platform main body, a contact type charging panel, an unmanned aerial vehicle main body, a calibration mechanism, a damping mechanism, a protective shell, a cover body, a handle, a clamping mechanism, a pulley and a telescopic pull rod. A limiting groove is formed in the top end of charging platform main body from left to right, the contact type charging panel is installed in the center of the top end of the charging platform main body, the unmanned aerial vehicle main body is placed in the center of the top end of the charging platform main body, and the bottom end makes contact with the top end of the contact type charging panel. Rapid and accurate butt joint of the charging platform main body and the contact type charging panel can be achieved, the charging quality and speed are effectively guaranteed, meanwhile, abrasion caused by collision between the unmanned aerial vehicle main body and the charging platform main body is effectively avoided through the damping mechanism, long-term use and storage of the unmanned aerial vehicle main body and the charging platform main body are facilitated, the defect that an existing contact type charging panel is inconvenient to move is overcome, operation is easy, time and labor are saved, and practicability is higher.

The invention relates to a high-voltage pulse energy storage power supply circuit for space electric propulsion. Aiming at the limitation of a satellite on the weight and volume requirements of a satellite-borne power supply, a composite topological structure of primary parallel connection and secondary series connection of two LCC resonant full-bridge converters is adopted, so that the problems of a large primary peak current, the easiness in heating of a switching tube, a high secondary voltage and easiness in breakdown of a rectifier diode are solved, and the reliability of the power supplyis improved; the two small transformers are adopted to replace a single large transformer, so that the miniaturization and compact design of the power supply is achieved. Two full-bridge converters are driven by a single controller, and due to homology of driving signals and symmetrical layout of circuits, automatic current sharing can be achieved at the primary stage, and forced voltage sharingcan be achieved by connecting the secondary stage with a large-resistance voltage sharing resistor in parallel at two ends of an energy storage capacitor. By setting the phase difference, a two-phasestaggered series-parallel LCC resonance composite full-bridge topology is formed, input current ripples are reduced, an input side low-voltage direct current peak value is reduced, and the LCC resonance composite full-bridge topology is suitable for a satellite platform with limited power supply output power.

The invention discloses a charging pile and a charging control method. The charging pile comprises a charging system and a refrigerating system, wherein the charging system is connected with an electric vehicle battery and used for charging the electric vehicle battery; the refrigerating system is connected with a cold water heat exchanger of an electric vehicle-mounted cooling system and used forcooling the cold water heat exchanger of the electric vehicle-mounted cooling system; and the refrigerating system is connected with a cold water heat exchanger of an electric vehicle-mounted water chilling unit through a quick connecting device. The charging pile has the beneficial effects that (1) the charging speed of the charging pile can be ensured; and (2) the charging pile can perform reasonable billing.

The invention provides a charging control method and system for a vehicular charger. The method includes: acquiring current charging demanded power, comparing the current charging demanded power with last output power of the vehicular charger, and if the current charging demanded power is equal to the last output power of the vehicular charger, determining whether or not a current temperature of the vehicular charger is in a temperature protection threshold range; if yes, determining that the current output power of the vehicular charger is the current charging demanded power; if the current charging demanded power is different from the last output power of the vehicular charger or if the current temperature of the vehicular charger is not in the temperature protection threshold range, calculating a power difference between the current charging demanded power and the last output power of the vehicular charger, using the power difference and the current temperature of the vehicular charger as input, and using a fuzzy algorithm to calculate the current output power of the vehicular charger and outputting the current output power.

The invention relates to a charging pile system. The charging pile system comprises a charging pile and a cooling system. The charging pile is used for charging an electric vehicle, and the cooling system is used for cooling an air-side condenser of the electric vehicle. By reducing the temperature of the working environment of the air-side condenser, the working efficiency of a vehicle-mounted water chiller set is improved, it is ensured that batteries of the electric vehicle are in a good working state, and thus the battery charging speed is guaranteed.

The invention discloses a mobile device and a charging method thereof, and the mobile device comprises a channel detection module which is used for detecting whether each current transmission channelis normally connected or not after a charging interface is connected with a charger; a current determination module which is used for determining a safety current according to a detection result; a charging module which is used for charging the mobile device at a charging current which does not exceed the safety current, wherein the channel detection module is used for connecting the current transmission channel which is detected currently and disconnecting other current transmission channels, detecting whether the current passes through the communicated current transmission channel or not, judging that the current detected current transmission channel is normally connected when the current passes, or judging that the current detected current transmission channel connection is abnormal. Therefore, the charging speed is ensured, the charging reliability is improved, and the charging interface is prevented from being burnt due to abnormal connection.

The invention relates to a charging pile system and a using method thereof. The charging pile system comprises a charging pile and a refrigeration system. The charging pile is used for charging an electric vehicle. The refrigeration system provides a circulating cooling medium to a water-water heat exchanger in an onboard cooling system of the electric vehicle. Through the water-water heat exchanger, the temperature of a coolant in the onboard cooling system is reduced, the cooling capacity of the onboard cooling system is increased, a battery of the electric vehicle is ensured to be in a goodworking state, and thus the charging speed of the battery is ensured.

The invention discloses a wireless charging system for a transformer substation inspection robot and a charging method thereof, and relates to the field of wireless charging. The existing wireless charging system does not consider the transmission power, weather, equipment information, equipment fault and defect information of the transformer substation, and ignores that the inspection requirements are different under different operating conditions of the transformer substation. The system comprises a big data analysis module, the cloud, a data terminal and a wireless charging device, whereinthe big data analysis module acquires whether the transformer substation is in special operating condition or a common operating condition according to the historical data and the current data, the result is transmits to the cloud, and the data terminal acquires the data from the cloud and transmits the data to the inspection robot; the inspection robot starts to charge when the electric quantityis less than 30% and selects a charging mode according to the operating condition; a quick charging mode is selected under the special operating condition, and the charging is stopped when the charging reaches 60%; and a slow charging mode is selected under the common operating condition, and the charging is stopped when the charging reaches 90%. The wireless charging system can effectively adaptto the inspection requirements of different operating conditions of the transformer substation, ensures the inspection time under the special operating condition and has little damage to the battery.

The disclosure provides a method and a device for detecting a DC resistance of a battery, electronic equipment and a computer storage medium. A transduction process of the battery comprises a first transduction stage and a second transduction stage which are continuous, and the method comprises the steps of: acquiring a first transduction current of the battery in the first transduction stage; acquiring a first voltage of the battery when the first transduction stage is switched to the second transduction stage; acquiring a second transduction current of the battery in the second transductionstage; acquiring a second voltage of the battery when a first preset duration is reached after entering of the second transduction stage; and determining a DC resistance of the battery according to adifference value between the first voltage and the second voltage as well as a difference value between the first transduction current and the second transduction current. The method of the disclosureis capable of achieving detection of a DC resistance of a battery in a continuous transduction process of the battery.

The invention relates to a battery charging control method and device, a medium and a battery management system. The method comprises the following steps: performing pulse charging on a battery by using appointed pulse current and appointed charging duration, determining a first environment temperature, a first voltage and a first residual electric quantity of the battery in a pulse charging period, determining a first resistor of the battery corresponding to the appointed pulse current, the first environment temperature and the first residual electric quantity, and performing pulse charging on the battery according to a pre-stored first corresponding relationship; determining a battery health state corresponding to the specified pulse current, the first environment temperature, the firstvoltage, the first residual electric quantity and the first resistor as a target health state, and determining a target corresponding relation between charging current and charging duration capable ofmeeting the charging requirement according to the target health state, the first corresponding relation and the charging requirement of the battery; and carrying out charging control on the battery according to the target corresponding relation.

The invention discloses a wireless charging heat radiator and a wireless charging heat radiation support, and the wireless charging heat radiator specifically comprises a refrigeration assembly which comprises a semiconductor refrigeration sheet; a wireless charging assembly, arranged on the side, used for refrigeration, of the semiconductor refrigeration sheet, and the wireless charging radiator being in circuit connection with the refrigeration assembly; and a mounting assembly, arranged on the side, opposite to the side where the wireless charging assembly is attached to the semiconductor chilling plate, of the wireless charging assembly, and the mounting assembly being used for being in positioning connection with an intelligent terminal. The refrigeration assembly is arranged on one side of the wireless charging assembly, the refrigeration assembly comprises the semiconductor refrigeration sheet, and the wireless charging assembly in the charging process is cooled through the refrigeration effect of the semiconductor refrigeration sheet, so that the situation that a battery is overheated in the wireless charging process of the intelligent terminal is avoided; therefore, the problem that the intelligent terminal actively reduces the power of the wireless charger is effectively avoided, and the charging speed of the wireless charger is ensured.

The invention provides a charging method and a mobile terminal. The charging method comprises the steps that a first charging circulating index that the electricity quantity of a rechargeable battery of the mobile terminal reaches a preset value is counted; a pre-generated matching relation table of the charging circulating index and charging cut-off voltage is searched for first charging cut-off voltage corresponding to the first charging circulating index, wherein the charging cut-off voltage corresponding to the high charging circulating index in the matching relation table is smaller than or equal to the charging cut-off voltage corresponding to the low charging circulating index; the charging cut-off voltage of the rechargeable battery is set as the first charging cut-off voltage, and constant charging current provided by a charger is received for charging. The different stages of the cycle life of the rechargeable battery are recognized, the charging cut-off voltage is correspondingly reduced, and therefore the service life of the rechargeable battery is prolonged on the basis of not reducing charging speed.

The invention provides an active equalizing charging method for LiFePO4 power battery packs. The method comprises the following steps: detecting the parameters of single batteries in real time, calculating the charge states of the single batteries according to the detected parameters, and calculating and updating the average charge state of a battery pack in real time according to the obtained charge states of the single batteries; comparing the charge state of each single battery with the average charge state of the battery pack; when the charge state of a single battery is less than the average charge state of the battery pack, carrying out equalizing charging on the single battery; when the charge state of a single battery is close to a threshold of the average charge state of the battery pack, ending the equalizing charging of the single battery; when the charging of all the single batteries subjected to equalizing charging is completed, determining that the equalizing charging of the whole battery pack is completed, at this moment, the charge states of all the batteries are basically consistent; repeating the steps so as to carry out a new cycle; and when the charge states of all the single batteries in the battery pack are all close to the average charge state of the battery pack, stopping equalizing charging.

The invention relates to an unmanned aerial vehicle charging system suitable for power line cruising. The system comprises an unmanned aerial vehicle, a charging platform and a charging network platform, wherein the unmanned aerial vehicle comprises a power receiving module, a power management module, a positioning module, an infrared code transmitting module and a foot rest; the wireless chargingreceiving module comprises a rectification filtering module, a power control module, an impact protection circuit module and a magnetic field induction detection module, the power supply management module comprises an AD sampling controller and an electric quantity monitoring module, the positioning module comprises a GPS positioning module, an inertial motion module and a height acquisition module, and the inertial motion module comprises a nine-axis motion sensor; the height acquisition module comprises a barometer and an ultrasonic sensor; the charging platform comprises a wireless charging emission module, an energy management control module, an infrared ray positioning module, an infrared ray bar code identification module and a data connection management module. The system has advantages of being good in charging stability, safe, reliable and convenient to use.

The invention discloses a fast charging device for new energy vehicles, which comprises a charging platform and a new energy vehicle located on the upper side of the charging platform. The rotating cavity on the right side of the chute of the pressure-receiving block has an upward opening, and the bottom wall of the rotating cavity is provided with a turbine cavity; in the present invention, two batteries are placed separately in the new energy vehicle, one is the main battery that can be quickly replaced, One is the built-in battery fixed in the car. When the main battery is exhausted, use the energy of the built-in battery to drive the vehicle into the battery replacement place, automatically complete the replacement of the main battery, and quickly replace the exhausted main motor with a fully charged one. The main battery of the new energy vehicle realizes the rapid energy supplement of the new energy vehicle. At the same time, the battery is charged out of the centralized management, which is convenient for erecting special cables, ensuring the charging speed and avoiding the safety hazard caused by private charging.

The invention relates to a battery charging method and device and a storage medium. The battery charging method comprises the steps that in the stage charging process of the battery, the current static voltage of the battery is acquired in the current charging stage, and the maximum charging current matched with the current static voltage is determined; and charging the battery according to the maximum charging current. According to the invention, the charging speed can be guaranteed, overvoltage protection can be ensured not to be triggered in each charging stage, and the battery cell is prevented from being damaged.

The invention relates to the technical field of power batteries, in particular to a battery cell, a battery cell assembly method and a battery, the battery cell comprises a pole group, an anode lug and a cathode lug, the pole group is cuboid, the pole group comprises a first end and a second end which are opposite to each other, the anode lug and the cathode lug are both connected with the pole group, the anode lug is arranged at the first end, and the cathode lug is arranged at the second end. The cathode tab is arranged at the second end. According to the battery cell, the battery cell assembly method and the battery provided by the invention, the anode lug and the cathode lug are respectively arranged at the two ends of the cuboid pole group in the length direction, and larger setting spaces are respectively provided for the anode lug and the cathode lug, so that enough spaces are provided for setting the anode lug and the cathode lug with larger height values of the pole lugs; therefore, the overcurrent of the anode lug and the cathode lug is ensured, and the charging speed of the battery is ensured.

The invention provides a charging control method and system for a vehicular charger. The method includes: acquiring current charging demanded power, comparing the current charging demanded power with last output power of the vehicular charger, and if the current charging demanded power is equal to the last output power of the vehicular charger, determining whether or not a current temperature of the vehicular charger is in a temperature protection threshold range; if yes, determining that the current output power of the vehicular charger is the current charging demanded power; if the current charging demanded power is different from the last output power of the vehicular charger or if the current temperature of the vehicular charger is not in the temperature protection threshold range, calculating a power difference between the current charging demanded power and the last output power of the vehicular charger, using the power difference and the current temperature of the vehicular charger as input, and using a fuzzy algorithm to calculate the current output power of the vehicular charger and outputting the current output power.

The embodiment of the invention discloses a coil module and an electric energy transmitting circuit. The coil module comprises at least two parallel branches, each parallel branch comprises a coil anda first capacitor which are connected in series, and the capacitance value of each first capacitor is set to reduce or eliminate the equivalent impedance difference between the parallel branches. Therefore, while the charging speed and the charging freedom degree are ensured, the loss is reduced, and the wireless charging efficiency is improved.

The invention provides a system for testing a DC inductor based on a virtual instrument. The system comprises a control board card, a capacitor bank connected with the two ends of the DC inductor to be detected, a charging circuit for charging the capacitor bank according to the charging command signal of the control board card, a discharging circuit for enabling the capacitor bank to discharge to the DC inductor to be detected according to the discharging command signal of the control board card, and a data acquisition circuit; the data acquisition circuit comprises a low-speed acquisition card and a high-speed acquisition card, as well as a PC in connection communication with the two acquisition cards. The testing method comprises 1) initiating the testing system, 2) performing input setting on the parameters of the testing parameters, 3) acquiring the data of the DC inductor to be detected, 4) processing the set parameters and the acquisition data by use of Levenberg-Marquadt algorithm based on an LCR discharge time current function, thereby obtaining the nonlinear parameter estimated values f, g and h of the LCR discharge time current function, and 5) obtaining the DC inductance and the DC resistance of the DC inductor to be detected according to a formula.

The invention discloses a method for adjusting charging current, a terminal and a computer readable storage medium. The method comprises the following steps: acquiring the first beginning time of this charging at the terminal when detecting that the terminal is in the charging state; predicting the first time duration of this charging according to the charging habit of the user to the terminal and the first beginning time, wherein the charging habit comprises the second beginning time of former each charging of the terminal and the corresponding second time duration; when the first time duration is not less than the first time threshold, setting a temperature threshold of the current charging current as the first temperature threshold; when the first time duration is less than the first time threshold, setting the temperature threshold of the current charging current as the second temperature threshold, wherein the first temperature threshold is less than the second temperature threshold. By using the method disclosed by the invention, the charging habit of the user can be learned, whether the current charging needs to preferably guarantee the charging speed or preferably guarantee the temperature rise experience can be judged according to the charging habit, thereby intelligently adjusting the charging current, and the user can acquire better charging and temperature rise experience.

The invention discloses a charging method and electronic equipment. The charging method includes the steps that the voltage of a battery of the electronic equipment is monitored in real time; when the voltage of the battery is within a low voltage range and the electronic equipment needs to be charged, the battery is charged according to a first charging rule, wherein the first charging rule comprises at least two charging stages. According to the technical scheme, the technical problem that according to electronic equipment in the prior art, neither the service life of a battery nor the energy density of a battery core can be guaranteed is solved, and the charging speed of the initial stage is increased.