83 results about "Trickle charging" patented technology

The invention relates to the technical field of electronic equipment battery management, and discloses a battery charging management method and an electric quantity accurate display method based on electronic equipment. The dynamic adjusting module generates a multi-dimensional strategy through a staged charging control unit (including a fast, balanced and trickle charging sub-unit), a parameter transition processing layer and a global charging state pooling layer; the environment adaptation module adjusts the charging power and the temperature threshold according to the environment data, and has the functions of environment feature extraction, self-adaptive compensation and anti-interference switching; and the strategy fusion module outputs a control instruction in a weighted manner, and is additionally provided with an exception handling and wireless charging optimization mechanism. When the electric quantity is displayed, the collected data is dynamically calibrated to compensate polarization errors, and the capacity is fused with a matching historical curve to generate a high-precision electric quantity percentage which is dynamically rendered and displayed. According to the scheme, the charging safety, efficiency and electric quantity display precision are improved.

Disclosed herein are systems and methods for energy management. A system, such as a vehicle, includes a solar cell that generates energy in response to receiving light. The system includes an energy controller, which includes a processor and memory, that predicts an optimal time period for charging an energy storage unit based on information tracking discharging of the energy storage unit over time. The system includes trickle charging circuitry that provides the energy to the energy storage unit during the optimal time period, and the energy storage unit that stores the energy and discharges the energy to power at least one component, such as a vehicle propulsion mechanism.

The invention discloses a self-adaptive quick charging protection method and system for mobile equipment, which are used for adaptively adjusting charging current and a charging stage so as to prolong the service life of a battery. The method comprises the following steps: acquiring electrochemical impedance spectroscopy data of the battery, wherein the electrochemical impedance spectroscopy data is used for being combined with the cycle index and the capacity attenuation factor of the battery to evaluate the aging degree of the battery; determining a charging current in a pre-charging stage according to an aging degree evaluation result of the battery; when the real-time voltage of the battery reaches a constant-current charging voltage threshold value, the charging current is adjusted according to the real-time temperature of the battery so as to be switched to a constant-current charging stage; when the real-time voltage of the battery reaches a constant-voltage charging voltage threshold value, the charging current is secondarily adjusted through current pulse optimization so as to be switched to a constant-voltage charging stage, and the constant-voltage charging voltage threshold value is larger than a constant-current charging voltage threshold value; and when the battery capacity of the battery reaches a preset full-load threshold value, adjusting the charging current to be within a trickle charging current range so as to switch to a trickle charging stage.

The invention relates to the technical field of wireless charging, in particular to a wireless charging method and system for an intelligent ring. The method comprises the following steps that an annular induction coil is designed in the intelligent ring, a wireless charging base and a charging induction shell are used for inducting the relative position and the relative angle corresponding to the intelligent ring in real time, and the intelligent ring is moved to a correct wireless charging position; obtaining the remaining capacity of the battery and the to-be-charged duration of the battery, carrying out induction adjustment charging processing, and generating an intelligent ring induction adjustment charging process; acquiring a battery charging progress and performing charging mode control, and if the battery is nearly fully charged, executing a trickle charging working mode; if not, a quick charging working mode is executed; the charging voltage, the charging current and the charging temperature are obtained, wireless charging protection control is carried out, and an intelligent ring wireless charging protection control strategy is generated to execute corresponding intelligent ring wireless charging protection work. According to the invention, an efficient and stable charging protection process can be realized.

The invention discloses a charging time calculation method and device, equipment and a storage medium, and relates to the technical field of new energy charging, and the method comprises the steps: obtaining the current remaining power of a battery and the temperature information of the battery; according to the battery temperature information and the current residual electric quantity, allowable charging current corresponding to each electric quantity interval in the charging process is determined; dividing each electric quantity interval into a constant-current charging stage and a constant-voltage trickle charging stage based on the allowable charging current, and obtaining the charging time of the constant-current charging stage and the charging time of the constant-voltage trickle charging stage in a segmented manner; the method comprises the steps of obtaining a trickle charging time compensation value, determining target charging time according to the charging time of a constant-current charging stage, the charging time of a constant-voltage trickle charging stage and the trickle charging time compensation value, and deriving the charging time of each electric quantity interval by adopting multi-parameter multi-stage calculation, so that the accuracy of predicted charging time is improved.

A logging system and method for operating a logging system are typically used in a wellbore. The logging system may include a logging instrument including a rechargeable energy storage and logging electronics, and a cable configured to trickle charge the rechargeable energy storage. The rechargeable energy storage may include an ultracapacitor. The rechargeable energy storage may be trickle charged through the cable from a remote power source.

Disclosed herein are systems and methods for energy management. A system, such as a vehicle, includes a solar cell that generates energy in response to receiving light. The system includes an energy controller, which includes a processor and memory, that predicts an optimal time period for charging an energy storage unit based on information tracking discharging of the energy storage unit over time. The system includes trickle charging circuitry that provides the energy to the energy storage unit during the optimal time period, and the energy storage unit that stores the energy and discharges the energy to power at least one component, such as a vehicle propulsion mechanism.

The invention relates to the technical field of computer NAND chip storage, in particular to an NAND Flash data storage system and method, and the system comprises a cloud inventory management platform; the wireless storage device is provided with a plurality of storage positions for storing hard disks, and a wireless charging module is arranged in each storage position; the energy receiving modules are arranged in the storage hard disks; according to the technical scheme provided by the invention, a cloud-controlled penetration type wireless trickle charging technology is adopted, and on the premise of keeping sealed packaging of the equipment and unattended warehouse, automatic and periodic data refreshing of large-batch and multi-form NAND Flash storage equipment is realized, so that the problem of data retention failure caused by long-term inventory is fundamentally solved, and the service life of the NAND Flash storage equipment is prolonged. Meanwhile, the management cost, the operation risk and the complexity are greatly reduced, and the reliability and the management efficiency of inventory products are remarkably improved.

The utility model belongs to the field of portable electronic equipment, and relates to a battery low-electric-trickle charging system improvement circuit which comprises an MCU, a charging circuit, a voltage division circuit and a battery power supply circuit. The input end of the charging circuit is connected with the charger, and the output end is connected with the MCU; the input end of the battery power supply circuit is connected with a BAT + port of the battery, and the output end of the battery power supply circuit is connected with the MCU; the voltage division circuit is connected between the charger and the battery power supply circuit; the voltage division circuit can control on and off of the battery power supply circuit; the system has remarkable advantages in the aspects of independent charging and power supply, seamless power supply switching, reduction of product cost, improvement of charging flexibility, improvement of charging efficiency, simplification of structure installation and maintenance, improvement of safety and reliability and the like. The advantages ensure that trickle charging can be effectively carried out under the condition that the battery voltage is extremely low, and normal starting and working of the MCU are ensured, so that the stability of the system and the user experience are remarkably improved.

The invention relates to the technical field of lithium batteries, in particular to a lithium ion battery degradation classification method based on a BP neural network, and the method comprises the steps: obtaining the related data of an incremental capacity curve of a battery, constructing a data set, training a dynamic adaptive time sequence BP neural network model according to the data set, and enabling the model to be used for predicting the capacity of the battery; acquiring a charging data set, wherein the charging data set comprises constant-current charging stage data, constant-voltage charging stage data and trickle charging stage data; a charging BP neural network model is trained according to the charging data set, and the model comprises three sub-models and is used for obtaining three degradation correction terms; a degradation correction term is obtained and processed, and a comprehensive degradation correction term is obtained; and obtaining and processing the predicted battery capacity and the comprehensive degradation correction term to obtain a battery degradation index, and performing battery classification according to a preset battery degradation classification function. According to the invention, by introducing the predicted battery capacity and the comprehensive degradation correction term, the accuracy of estimating the degradation degree of the battery is improved.

This invention relates to an optimized charging method for rural power grid energy storage batteries based on their State of Charge (SOC), belonging to the field of battery optimization. Before charging the rural power grid energy storage batteries, the SOC estimation result of the battery is detected, and a suitable charging scheme is selected according to different battery states. The charging scheme includes: when SOC ≤ 10%, constant current charging is performed based on the acceptable initial current rate of the battery; when 10% < SOC ≤ 75%, a constant charging current is maintained, and a negative pulse charging method is used, specifically: charging is stopped before the negative pulse, discharging occurs during the negative pulse, and charging is stopped after the negative pulse; when 75% < SOC ≤ 90%, a MAS-pulse charging method is used; when SOC > 90%, a constant voltage trickle charging method with adaptive current adjustment is used. This method ensures charging efficiency, improves safety, extends battery life, and reduces costs.

The present application provides a data line charging protection method, system, device, and storage medium. The method extracts charging information and overcharge information of a target data line in a normal charging state from historical charging data, determines the steady-state reference value of the voltage when the target data line switches from an overcharge state to a normal charging state through all safety margins, determines the load limit value of the voltage when the target data line switches from a normal charging state to an overcharge state through the overcharge information and the trickle charging data of the target data line in a trickle charging state, converts the load limit value into an overcharge threshold through a critical compensation value, and safely switches the charging state of the target data line during the charging process based on the steady-state reference value and the overcharge threshold. The above scheme provides overcharge protection for the data line charging process based on charging state switching, can realize dynamic overcurrent switching of the data line charging state, and can improve the anti-interference performance of the automatic step jump when the data line charging reaches equilibrium.

The present invention relates to a lithium battery charging circuit control method, comprising the following steps: S1, the charging circuit charges the lithium battery, and at the same time obtains the current charging process of the lithium battery, the charging process comprising: trickle charging, constant current charging, and constant voltage charging; S2, if the current charging process of the lithium battery is constant current charging, then obtain the vibration information of the lithium battery; S3, when the lithium battery is vibrated, reduce the charging current or stop charging completely; S4, after the vibration of the lithium battery stops, the charging process returns to constant current charging. The present invention can automatically reduce the charging current or stop charging completely when the battery is vibrated, and can effectively protect the battery from the smallest possible charging current under the condition of vibration, thereby effectively reducing the generation of dendrites in the battery due to vibration during the charging process, and further extending the battery life.

(Main claim): Charging plug damping ring for an airbox of an emergency vehicle with external power supply, characterized in that the charging plug damping ring is ring-shaped, that it can be fitted onto a standard Schuko plug, that it is made of an elastic, chemically resistant and saltwater-resistant material, and that its elasticity is designed to absorb impact energies generated during the automatic ejection of the plug and prevent damage to the vehicle or adjacent objects.

The invention relates to a power control and regulation circuit, in particular to a household photovoltaic integrated energy storage charging and discharging control method, system and equipment. Comprising the following steps: setting dispatching electricity storage capacity and calibrating a first dispatching electricity storage mode and a second dispatching electricity storage mode, in the first dispatching electricity storage mode, trickle charging is performed on an energy storage battery by the dispatching electricity storage capacity, and in the second dispatching electricity storage mode, the dispatching electricity storage capacity and the energy storage battery serve as loads mutually. Alternate charging and discharging are carried out; and starting a first scheduling power storage mode or a second scheduling power storage mode according to the state of the energy storage battery. According to the invention, trickle charging can be carried out on the energy storage battery by scheduling the electricity storage capacity, and the attenuation speed of the battery is effectively reduced through mutual discharging of the energy storage battery and the scheduling battery under the condition that the energy storage system has no load demand for a long time.

This invention provides a negative electrode for zinc secondary batteries that can extend battery life by delaying the decrease in battery capacity during trickle charging. [Solution] A negative electrode used in a zinc secondary battery, comprising ZnO particles and metallic Zn particles in an amount of 55.0 to 65.0 parts by weight per 100 parts by weight of ZnO particles.

This disclosure relates to a battery pre-power supply circuit, control method, and intelligent electrical appliance. The battery pre-power supply circuit includes a battery power supply, a pre-power supply output module including a pre-charging circuit, a boost converter circuit, and a primary capacitor. Both the pre-charging circuit and the boost converter circuit are connected to the battery power supply, and both are connected to the primary capacitor. The DC power supply output module includes a trickle charging circuit, a charging switch, and a secondary capacitor. Both the trickle charging circuit and the charging switch are connected to the primary capacitor, and both are connected to the secondary capacitor. A control module has its power supply terminal connected to the primary capacitor, and its input terminal connected to the boost converter circuit to obtain the battery power supply voltage. The control module is also connected to the charging switch to control its on / off state. This disclosure avoids inrush current, ensures that the battery can supply power normally even in a low-charge state, improves battery power utilization, and reduces user costs.

Apparatus, devices and methods that provide for storage and transfer of energy on demand into a completion well utilizing a subsea pipeline that supplies and transmits energy on demand from energy storage device(s) located at or near a production platform to a wellhead with a well casing that includes communication and power wires connected to the well casing and connects a subsea pipeline distribution section of the wellhead to the subsea pipeline with at least one power and communication pod to which communication and power wires are also connected and provides both power and bidirectional data communication to a multiplicity of sensors and actuators in an upper well portion with a T-connector that provides a connection into one or more energy storage devices allowing trickle charge and recharge of energy storage devices for both power and communication signals that monitor a state of charge of energy device storages over time.

The application discloses a kind of power distribution automation backup power battery overdischarge automatic activation method and system, comprising: detecting charger charging voltage V1 and battery terminal voltage V2, whether external charger is normally accessed according to V1 and V2;If external charger is normally accessed, battery charging current I3 and BMS communication data are detected;According to battery charging current I3 and BMS communication data, whether system operation is abnormal is judged;If system operation is abnormal, battery terminal voltage V2 is detected in real time, when V2 is less than the set starting trickle charging threshold value, then control circuit crosses BMS to battery with the set charging current value Constant-current charging is carried out;When V2 rises to the set stop trickle charging constant value or detects that BMS works normally, then trickle charging is cut off, and BMS carries out battery charging management activation process end.The application can solve the recovery after battery completely loses power under various extreme conditions, and does not depend on the work of BMS and other units, greatly reduces actual operation and maintenance workload.

The invention discloses a charging cooperative control method, device and equipment of a low-voltage lithium ion battery and a computer readable storage medium, and the method comprises the steps: determining a to-be-switched charging mode of the low-voltage lithium ion battery according to the obtained SOC of the low-voltage lithium ion battery, and enabling the charging mode to comprise a trickle charging mode; a first target signal is sent to a VCU through a BMS, so that the VCU cuts off an excitation circuit of a generator based on the target signal; when it is detected that the VCU cuts off the excitation circuit of the generator, the charging mode of the low-voltage lithium ion battery is controlled to be a trickle charging mode, and the technical problems that in the prior art, the operation of switching a current limiting module can cause the generator to lose load suddenly, and consequently voltage rise and power supply instability are caused are solved; the generator load throwing risk caused by sudden change of charging current of the low-voltage lithium ion battery is eliminated.

The invention relates to the field of cable insulation layer aging test, in particular to an electric vehicle cable insulation layer aging test method based on data analysis, which comprises the following steps: firstly, synchronously acquiring multi-dimensional data such as voltage, current, cable surface temperature and cooling system duty ratio based on a high-frequency sampling protocol; and then, the system constructs a virtual internal energy accumulation observation model by using the law of conservation of energy, and effectively eliminates a thermal hysteresis monitoring blind area caused by heat conduction of the insulating layer by calculating Joule thermal power input and an active heat dissipation correction term. Meanwhile, electric field auxiliary dissociation characteristics are constructed through the coupling voltage ratio and the heat accumulation degree, material activation energy is dynamically corrected through a power weight gating factor, and misinformation in the trickle charging stage is avoided. And finally, the virtual internal energy and the dynamic activation energy are mapped to the corrected Arrhenius equation, the insulation life loss is accurately calculated, and physical fidelity evaluation and real-time early warning of the insulation damage under the fast charge transient impact are realized.

This invention relates to the field of smart charging, and discloses a method, apparatus, device, and storage medium for dynamically adjusting a charging strategy. The method acquires the battery's state of charge (SOC) and environmental parameters; determines a charging strategy for the battery based on the SOC and environmental parameters; charges the battery based on the charging strategy and monitors its state in real time to obtain changes in battery state; and dynamically adjusts the charging strategy based on these changes. By incorporating environmental parameters into the formulation of the battery charging strategy, developing the strategy based on the SOC, and dynamically adjusting the strategy based on real-time changes in battery state, the method achieves rapid charging when the SOC is low and trickle charging when the SOC is high, improving charging efficiency, extending battery life, and enhancing the user experience.

The invention provides a charging pile power distribution device and method, electronic equipment and a medium. The device comprises a vehicle information acquisition module, a trickle charging state prediction module and a power pre-scheduling and smooth transfer module. The vehicle information acquisition module establishes communication with a battery management system of a charging vehicle, and collects and transmits battery state data and charging demand parameters in a vehicle charging process; the trickle charging state prediction module receives the battery state data and the charging demand parameters, predicts whether the vehicle enters a charging end period or not through multi-stage judgment logic, and outputs an end period identification signal when it is judged that the vehicle enters the charging end period; and the power pre-scheduling and smooth transfer module is used for receiving the last-stage identification signal and the vehicle charging demand parameters, adjusting the charging resource allocation quantity of the corresponding vehicle based on the last-stage identification signal, and reallocating the released charging resources according to the charging demand parameters of the other vehicles so as to realize dynamic optimization scheduling of the total charging resources of the charging piles.

The invention discloses a charging control method and device for a switching power supply converter, and belongs to the technical field of switching power supplies. The method comprises the following steps: when a battery is in a trickle charging mode and an output voltage of a switching power supply converter is detected to be smaller than a target voltage threshold value, obtaining an output voltage of the switching power supply converter in a target stage based on an input voltage and an output voltage of the switching power supply converter and a duration of entering the target stage in a plurality of timing stages; the charging current of the battery changes along with time; adjusting the charging current of the battery based on the target function relation and the duration of entering the target stage, and enabling the charging current to be preposed to zero at the end of the current switching period; and in the trickle charging mode, when it is detected that the output voltage of the switching power supply converter is larger than or equal to a target voltage threshold value, the input current of the switching power supply converter is adjusted by adopting the power conservation principle of the switching power supply converter, so that the charging current of the battery is adjusted to a target charging current value.

The application discloses an emergency lithium battery management control method and an emergency lithium battery circuit. The method is suitable for an emergency power supply system comprising at least one lithium battery pack. The method comprises: performing cyclic charging and discharging treatment on each lithium battery pack, wherein the cyclic charging and discharging treatment comprises a trickle charging and discharging stage and a constant voltage stage which are cyclically performed within a set time; in the trickle charging and discharging stage, the lithium battery pack is controlled to be discharged at a first preset current for a first preset time, then the lithium battery pack is controlled to be charged at a second preset current for a second preset time, and then the constant voltage stage is performed; and in the constant voltage stage, the charging voltage of the lithium battery pack is set to a first preset voltage value and maintained for a third preset time. The application can prolong the service life of the lithium battery pack, reduce the failure risk, effectively improve the reliability of the backup power supply system, and play a positive role in maintaining the stable operation of a nuclear power plant.

A system for monitoring or managing a low voltage (LV) battery in an electric vehicle may include a ground bus connected with a negative terminal of the LV battery and a negative temperature coefficient (NTC) sensor. An electronic control unit (ECU) may receive temperature data and voltage measurements from the NTC sensor via a dedicated sense line to monitor battery health. The system includes a bi-directional (BiDi) switch connected between an LV battery and an LV direct current to direct current converter (DCDC) to enable trickle charging during a vehicle standby mode while preventing battery overcharge.

The present invention relates to a power control and regulation circuit, and in particular to a household photovoltaic integrated energy storage charge and discharge control method, system, and device. The method includes setting a scheduling storage capacity and calibrating a first scheduling storage mode and a second scheduling storage mode. In the first scheduling storage mode, the scheduling storage capacity performs trickle charging on the energy storage battery. In the second scheduling storage mode, the scheduling storage capacity and the energy storage battery act as loads and perform alternating charging and discharging. The first scheduling storage mode or the second scheduling storage mode is activated according to the state of the energy storage battery. The present invention can perform trickle charging on the energy storage battery by scheduling the storage capacity. When the energy storage system has no load demand for a long time, the attenuation rate of the battery is effectively reduced by the mutual discharge of the energy storage battery and the scheduling battery.

The application relates to the technical field of electric vehicle charging, in particular to an electric vehicle charging method and system based on multiple communication modes, which comprises the following steps: when a communication connection instruction between a target charger and a target electric vehicle is received, a current communication signal feature set of the target electric vehicle is acquired; according to the current communication signal feature set, a current communication protocol type between the target charger and the target electric vehicle is identified; current battery state data of the target electric vehicle is acquired, and the target electric vehicle is charged according to the current battery state data of the target electric vehicle; it is known that the charger is compatible with SIF one-wire, UART single-wire or LIN bus three different communication protocols, the universality and application range of the charger are improved, meanwhile, detailed information of the vehicle battery can be acquired in real time, so that the charging current and time are adjusted according to the actual state of the battery, constant current charging, constant voltage charging, trickle charging and switching of different stages such as constant current charging are realized, and the charging efficiency is improved.

The invention relates to a charging management circuit suitable for a lithium battery. The lithium battery charging circuit comprises a charging main circuit, the charging main circuit comprises a charging main unit, a charging current unit, a charging voltage unit and a charging turn-off control unit, and the charging main unit is connected with a target lithium battery; the charging current unit, the charging voltage unit and the charging turn-off control unit are all connected with the charging main unit; in the process that the charging main unit charges the target lithium battery, the charging main unit is configured through the charging current unit to perform trickle charging or constant-current charging on the target lithium battery, and after constant-current charging, the charging main unit is configured through the charging voltage unit to perform constant-voltage charging on the target lithium battery; and after the target lithium battery is fully charged through constant-voltage charging, at least the charging current unit and the charging voltage unit are configured to be in a stop working state through the charging turn-off control unit. The charging management of the lithium battery can be effectively realized, and the charging safety of the lithium battery is improved.

The invention relates to the technical field of electric vehicle charging, in particular to an electric vehicle charging method and system based on multiple communication modes, and the method comprises the following steps: obtaining a current communication signal feature set of a target electric vehicle when a communication connection instruction between a target charger and the target electric vehicle is received; identifying a current communication protocol type between a target charger and a target electric vehicle according to the current communication signal feature set; obtaining current battery state data of a target electric vehicle, and charging the target electric vehicle according to the current battery state data of the target electric vehicle; it can be known that charging of three different communication protocols including SIF one-line digital network, UART single line and LIN bus is compatible, the universality and application range of the charger are improved, detailed information of the vehicle battery can be obtained in real time, the charging current and time are adjusted according to the actual state of the battery, and the charging efficiency is improved. Switching of different stages such as constant-current charging, constant-voltage charging and trickle charging is achieved, and the charging efficiency is improved.