158results about How to "Improve charging efficiency" patented technology

The utility model provides a battery pack charging system, and belongs to the technical field of battery pack charging. The battery pack charging system comprises a reference voltage module, a comparison module, a charging mode switching module, a charging control module and a voltage detection module, the reference end of the comparison module is connected with the reference voltage module, the output end of the comparison module is connected with the input end of the charging mode switching module, the output end of the charging mode switching module is connected with the control end of the charging control module, and the output end of the charging control module is connected with the battery pack; the input end of the voltage detection module is connected with the feedback end of the charging control module. The output end of the voltage detection module is connected with the input end of the comparison module. And the charging mode switching module is configured to switch the charging mode of the battery pack according to the electric signal output by the comparison module. The charging efficiency of the battery pack can be improved.

The utility model discloses a power supply switching charging circuit for a main power supply and an auxiliary power supply, which comprises a power storage main body, a control module, a switching module, the main power supply, the auxiliary power supply and a power supply management module are arranged in the power storage main body, and the output end of the power supply management module is electrically connected with the input end of the switching module. The two output ends of the switching module are electrically connected with the main power supply and the auxiliary power supply respectively, the main power supply is electrically connected with a first sampling module, the output end of the first sampling module is electrically connected with the control module, and the first sampling module can collect the temperature of the main power supply and transmit a temperature signal of the main power supply to the control module; the switching module can be used for controlling connection and disconnection of the power supply management module, the main power supply and the auxiliary power supply; the auxiliary power supply is charged when the temperature of the main power supply rises, and the main power supply is charged when the temperature of the auxiliary power supply rises, so that compared with a charging mode of continuously charging the main power supply, the auxiliary power supply is charged after the main power supply is fully charged, and the service life of the main power supply and the auxiliary power supply is prolonged.

The invention relates to the technical field of Internet of Vehicles and battery management, in particular to a charging management and health detection method for a TBOX built-in standby battery, which comprises a charging management module, an MCU (Microprogrammed Control Unit), a charging switch, a discharging switch, an ADC (Analog to Digital Converter) voltage acquisition module, a standby battery, a main and standby power automatic switching module and a rear-end load system, all the modules are electrically connected to form a cooperative work system, the charging management module performs sectional charging on a standby battery based on a battery voltage state, and the MCU control unit controls on-off of the charging switch and the discharging switch and combines sampling data of the ADC voltage acquisition module. A sectional charging mode is adopted, the charging current is dynamically adjusted according to the battery voltage, the charging efficiency is improved, the occurrence of battery swelling, aging and other faults is reduced, and the service life of the battery is prolonged; a battery health detection scheme is optimized, only one ADC voltage sampling port of the MCU is needed, an extra large-current discharge auxiliary circuit is not needed, and MCU resources and hardware cost are saved.

The application relates to the field of intelligent vehicles and provides a vehicle charging method, a vehicle charging device, a vehicle charging equipment and a vehicle. The method comprises the following steps: applying for charging from a target charging pile according to a current request value, obtaining a pile end output current value provided by the target charging pile to the current vehicle, wherein the current request value is less than a maximum current output value of the target charging pile; in response to the current request value and the pile end output current value meeting preset charging adjustment conditions, updating a gain multiplication factor coefficient of the current request value, and adjusting the current request value according to the updated gain multiplication factor coefficient; and reapplying for charging from the target charging pile according to the adjusted current request value. The technical scheme adjusts the output state of the charging pile, makes the charging pile increase the output of the charging current in response to the increased current request value, thereby releasing the charging capacity of the charging pile, the increase of the charging current shortens the charging time of the user for the vehicle, improves the charging efficiency of the vehicle, and further improves the charging experience of the user.

The application discloses a charging control method and related equipment, and relates to the field of charging control. The method comprises the following steps: inputting a current waveform to be analyzed into a simulation model to obtain simulation data information of the current waveform to be analyzed, wherein the simulation model is established based on a phase field model of lithium dendrites, a battery network model, constraint condition information and a secondary current distribution module; determining a target charging current based on the simulation data information of the current waveform to be analyzed; and controlling the battery to perform a charging operation through the target charging current.

This application provides a battery charging method, a battery charging device, an electronic device, and a storage medium, belonging to the field of charging technology. The method includes: querying a charging mapping table based on first battery state parameters of the target battery at the start of charging to obtain a first charging current; performing a first charging process on the target battery based on the first charging current; and performing lithium plating detection on the target battery based on a preset charging cycle; determining a target charging mode based on the lithium plating detection result; acquiring second battery state parameters at the moment the target battery switches from the first charging process to charging using the target charging mode; querying a charging mapping table based on the second battery state parameters to obtain a second charging current; and performing a second charging process on the target battery based on the target charging mode and the second charging current. This application's embodiment determines the charging mode based on the battery's state parameters during actual use, enabling rapid charging of the battery while ensuring battery safety.

The utility model discloses a suspensible modular wireless charging storage device for office scenes, which integrates the functions of wireless charging, modular storage and suspension, and comprises at least one product shell, a V-shaped storage groove, a card storage groove, a W-shaped storage groove and an elastic storage groove are arranged on the front end surface of the product shell, and the device can be butted and spliced left and right and can be connected with a mobile phone wireless charging groove. The V-shaped storage groove is used for fixing long-strip-shaped articles, the card storage groove is matched with card type articles, the W-shaped storage groove is matched with small office supplies of different sizes, the elastic storage groove clamps small articles, the device is further provided with a hidden winding bin for managing cables, the top of the device is provided with a hanging connector, the bottom of the device is provided with a base and an anti-skid rubber pad, and all the components can be connected in an inserted mode or a mortise and tenon mode or a magnet mode. According to the device, the space utilization rate is optimized, the problems that office table cables are disordered, small objects are scattered and the like are solved, the device is suitable for various office table top scenes, and the using convenience and flexibility are improved through the modular design.

The embodiment of the utility model relates to the technical field of wireless charging, and discloses a charging base and wireless charging equipment, the charging base comprises a base main body, a middle frame, a supporting pad and a heat dissipation assembly, the base main body is provided with an accommodating cavity, and the middle frame is provided with a supporting surface; the heat dissipation assembly comprises a transmitting module, a panel, a fan module and an air outlet channel, the transmitting module is arranged on the supporting face and located on the side, opposite to the supporting face, of the supporting pad, the panel covers the transmitting module, the air outlet channel is arranged on the side, opposite to the supporting face, of the transmitting module, and the fan module is arranged in the air outlet channel. The fan module is arranged on the side, away from the supporting pad, of the transmitting module, one end of the air outlet channel communicates with the fan module, and the other end of the air outlet channel extends to the side, opposite to the transmitting module, of the panel to form an air outlet. According to the embodiment of the invention, the charging efficiency can be improved while the heat dissipation effect is ensured.

The invention provides a PFC control parameter self-adaptive adjusting system and method based on a charging method. Belongs to the technical field of fast charging power management. The method comprises the steps of performing real-time analysis on a USB PD protocol, obtaining corresponding data supported by charging equipment, synchronously collecting voltage and current signals of a power grid, performing online impedance estimation, and generating impedance characteristic data of the power grid; constructing a scene feature vector in combination with a charging stage identification result; by analyzing the scene feature vector in real time and dynamically generating the optimal control parameter, the power factor can be stably higher than 0.98 and the THD is strictly controlled within 5% under the conditions of wide voltage and multiple powers, so that efficient and stable electric energy conversion is realized, and the charging efficiency and quality are improved.

This invention provides a portable, multi-module wireless charging energy storage control method for home use, relating to the field of data processing technology. The method includes: real-time monitoring of the device placement status in the top main charging area and the side auxiliary charging area to obtain the position information of each placed device in its respective charging area; calculating the circumradius of the geometric region formed by all device positions based on the position information; determining a power allocation scheme for each wireless charging coil in the top main charging area and the side auxiliary charging area based on the circumradius; and controlling the output power of the corresponding coils in the multi-mode wireless charging module according to the power allocation scheme to achieve adaptive wireless charging for multiple placed devices. This invention achieves efficient adaptive wireless charging for multiple devices by real-time monitoring of device positions and intelligent allocation of charging power, improving charging efficiency and user experience.

The present disclosure relates to a switching charging circuit, a terminal and a control method of the switching charging circuit, and belongs to the technical field of circuits. The switching circuit has multiple charging modes. When the input voltage and the output voltage of the switching circuit satisfy a preset relationship detected by a voltage detection unit, the switching circuit can be switched to the corresponding charging mode to charge the battery of the terminal, thereby adapting to the needs in multiple scenarios and improving the charging efficiency through switching of the charging mode, and thus improving the user experience.

An energy storage system according to embodiments disclosed in the present document can include an interface configured to receive charging information of a battery and a power supply request from a plurality of charging devices, and a controller configured to control power supply to a target battery connected to a target charging device among the plurality of charging devices based on the power supply request received from the target charging device, and perform a process for reallocating power supplied to the target battery to a battery connected to at least one charging device other than the target charging device among the plurality of charging devices based on the charging information of the target battery connected to the target charging device.

This invention relates to a charging management method and system for mobile charging cabinets. The method includes acquiring the location status information and identity information of the charging equipment in the mobile charging cabinet; performing multi-factor authentication on the identity information and matching it with the location status information to obtain a charging authorization status; acquiring the interface charging parameters of the mobile charging cabinet and associating the interface charging parameters with the charging authorization status to obtain a charging management group; acquiring the battery status data of the charging equipment and performing charging planning with the charging management group to obtain a charging parameter curve; performing charging mode analysis on the charging management group and the charging parameter curve based on a preset environmental energy game algorithm to obtain an initial charging control scheme; evaluating environmental factors on the battery status data and optimizing the initial charging control scheme to obtain a charging control strategy. This invention can formulate personalized charging parameter curves for different types and states of batteries.

The utility model discloses a super capacitor charging circuit and a computer device. The super capacitor charging circuit comprises an SEPIC control circuit, a multi-path super capacitor module, a voltage-sharing loop, a voltage feedback loop and a current feedback loop. The input end of the SEPIC control circuit receives input voltage, and the output end of the SEPIC control circuit is connected with the multi-channel super capacitor module; the voltage-sharing loop is connected with the multi-path super capacitor module and the SEPIC control circuit; the voltage feedback loop is connected with the multi-path super capacitor module and the SEPIC control circuit; the current feedback loop is connected with the multi-path super capacitor module and the SEPIC control circuit. According to the embodiment of the utility model, the SEPIC control circuit can charge the plurality of super capacitors connected in series in the multi-path super capacitor module in a voltage-sharing and constant-current manner by using the input voltage provided by the input power supply, so that the charging efficiency is improved, the service life of the super capacitors is prolonged, and the circuit is low in complexity and low in cost.

The utility model discloses a charging pile device for a four-footed robot dog, which can provide charging voltage for four groups of robot dogs at the same time through a charging pile body, so that a plurality of robot dogs can be charged at the same time in one charging period, thereby greatly improving the charging efficiency. The positive and negative probes of the charging pile are in direct contact with the charging contacts of the abdomen of the quadruped robot dog, energy loss in the charging process is reduced, the charging efficiency is further improved, the charging pile body can be accurately positioned to the abdomen of the quadruped robot dog through introduction of the positioning component, the charging alignment process is simplified, and the charging efficiency is improved. A user does not need to manually adjust the position of the robot dog or the charging pile, the operation convenience is improved, the accuracy of the positioning part is also beneficial for preventing charging faults or robot dog damage caused by misalignment of positions, the charging pile device is suitable for four-footed robot dogs of various models and specifications, and the practicability is high. And the positions and specifications of the belly charging contacts meet the design requirements of the charging pile.

The utility model relates to the field of liquid cooling charging pile cable production, in particular to a high-power temperature measurement liquid cooling charging pile cable, which comprises a sheath, two power lines are arranged in the sheath, a temperature sensing unit and a ground wire are arranged between the two power lines, the temperature sensing unit is positioned above the ground wire, and a control line is arranged on the upper side of the temperature sensing unit. The power wire core and the ground wire core of the cable adopt a mode of combining the cooling pipe and the conductor, a large amount of heat generated by high-power transmission of the power wire core and the ground wire core is taken away through circulating flow of cooling liquid, the temperature of the conductor is reduced, the charging efficiency is improved, the service life of the cable is prolonged, the weight of the cable is reduced, and use is more convenient; in addition, the control wire core conductors and the signal wire core conductors are formed by combining the tinned copper wires and the copper foil wires, the tensile strength of the single copper foil wire is not lower than 40N, and the high temperature resistance is not lower than 400 DEG C, so that the cable has excellent tensile, bending-resistant and high-temperature-resistant performance.

The invention discloses a community electric vehicle ordered charging method and system based on an intelligent alternating current charging pile, and belongs to the technical field of electric vehicle ordered charging. Receiving a charging demand of a community electric vehicle user, and feeding back a charging condition to the user; formulating an ordered charging strategy based on the load condition of the power distribution network and the charging demand of the community electric vehicle user; and the battery state of the community electric vehicle is monitored in real time, whether the battery state is in a set range or not is judged, if yes, whether waiting community electric vehicles exist or not is monitored in real time, if yes, a charging strategy is returned to be formulated, and if not, an ordered charging strategy is executed. Guiding is carried out through an intelligent charging technology mode, the peak-valley difference is reduced, load fluctuation is reduced, in addition, the service life of a battery is prolonged through the real-time monitoring function of the intelligent alternating current charging pile, and the over-charging and over-discharging phenomena are prevented.

This utility model relates to a battery charging device, including a chassis, a circuit board, and a rotating wheel base. A longitudinal central shaft is located in the center of the chassis, and a first copper ring and a second copper ring, which do not contact each other, are fitted onto the central shaft. The first and second copper rings correspond to the positive and negative terminals, respectively. The circuit board is mounted on the chassis and housed within the rotating wheel base. The rotating wheel base includes a central through hole corresponding to the central shaft. A third copper ring and a fourth copper ring, which do not contact each other, are located on the inner wall of the central through hole. The third and fourth copper rings are connected to the positive and negative terminals on the circuit board, respectively. The third copper ring is rotatably connected to the first copper ring via a first bearing, and the fourth copper ring is rotatably connected to the second copper ring via a second bearing. The rotating wheel base has several charging slots that match the batteries to be charged. A first annular magnet is located at the bottom of each charging slot, and a second annular magnet is located at the bottom of each battery to be charged. This utility model can charge multiple batteries simultaneously, and the position of the charging slots can be adjusted according to different needs.

The application discloses a charging box, a charging device and an electronic device assembly. The charging box comprises a box body, a magnetic element, a driving element and a first coil. The driving element is arranged in the box body and is used for driving the magnetic element to move. The magnetic element is movably arranged at a first position of the box body and is used for driving an electronic device to move relative to the charging box. The first coil is arranged in the box body and is used for charging the charging box or the electronic device. The first coil has a first distance from the magnetic element. When the first coil charges the charging box or the electronic device, the driving element drives the magnetic element to move to a second position of the box body. When the magnetic element is at the second position, the magnetic element has a second distance from the first coil, and the second distance is greater than the first distance.

This utility model discloses a cigarette lighter base, including a plug and a mounting housing. The mounting housing is fixedly installed above the plug, and a power supply adapter structure is installed inside the mounting housing. The power supply adapter structure includes: two USB ports, two Type-C ports, a cigarette lighter power supply sleeve, and a wireless charging component. This utility model relates to the field of automotive parts technology. By integrating two USB ports, two Type-C ports, a cigarette lighter power supply sleeve, and a wireless charging component into the mounting housing, it achieves full coverage of wired and wireless charging methods and significantly increases the number of power supply interfaces. Users can simultaneously provide power to multiple different types of devices, greatly improving charging efficiency and convenience, and meeting the needs of charging multiple devices at the same time.

This invention relates to a low-temperature charging method for lithium-ion batteries. The method includes acquiring constant-capacity data of the battery measured at room temperature, where n1, n2, and n3 represent the charging capacities corresponding to 25–35% SOC, 45–55% SOC, and 75–85% SOC, respectively, and aV, bV, and cV represent the corresponding voltages; preparing for charging at low temperature; charging to aV at a first-rate constant current, recording the capacity m1; determining whether the condition n1 / m1 ≥ 65% is met; if not, maintaining a constant voltage to 0.08–0.12C; if the condition is met, charging to bV at a second-rate constant current, recording the capacity m2; determining whether n2 / m2 ≥ 65% is met; if not, maintaining a constant voltage to 0.03–0.07C; if the condition is met, charging to cV at a rate of 0.33C, recording the capacity m3; determining whether n3 / m3 ≥ 65% is met; if not, maintaining a constant voltage to 0.08–0.12C; if the condition is met, charging at a third-rate constant current. This invention can improve charging capacity and charging efficiency, and improve or prevent lithium plating.

This invention belongs to the field of power technology, specifically disclosing a method, device, equipment, and medium for autonomous charging and navigation of unmanned aerial vehicles (UAVs). It includes the following steps: scanning environmental information to obtain LiDAR data; identifying charging station landmarks from the LiDAR data and establishing a coordinate system; processing the coordinate system using the ICP method to obtain pose gain; acquiring the odometer information corresponding to the pose gain; fusing the odometer information and pose gain using the extended Kalman filter method to obtain an estimated pose; and using the estimated pose as input for a PID control method to complete navigation. This invention, by applying landmark recognition and positioning navigation technology, replaces the traditional manual charging method, greatly reducing the need for human resources, lowering UAV charging costs, and improving charging efficiency.

The present disclosure relates to a battery power supply regulating circuit, a regulating method, a charging line and a terminal device. The charging circuit is used for charging a double-core battery, and the circuit comprises a Buck step-down circuit module, a first charge pump circuit module, a second charge pump circuit module, a battery charging and discharging control module and a system power supply module; the input end of the Buck step-down circuit module and the input end of the first charge pump circuit module are respectively connected with an AC / DC adapter; the first output end of the Buck step-down circuit module is connected with the second charge pump circuit module; the second output end of the Buck step-down circuit module is connected with the system power supply module; the battery charging and discharging control module is connected with the controlled end of the Buck step-down circuit module, the controlled end of the first charge pump circuit module, the controlled end of the second charge pump circuit module and the double-core battery; the first charge pump circuit module and the second charge pump circuit module are respectively connected with the double-core battery; and the second charge pump circuit module is further connected with the system power supply module.

The embodiment of the invention discloses implantable peripheral nerve electrical stimulation equipment. The implantable peripheral nerve electrical stimulation equipment comprises a main body part, a battery part and a stimulation part, a controller is arranged in the main body part, the battery part comprises a power supply, a coating film, a charging coil and a first shell, the charging coil sleeves the outer side of the power supply, and the coating film is made of a flexible permanent magnet material and coats the outer surface of the power supply to form a magnetic core of the charging coil. According to the embodiment of the invention, the overall structure of the battery part can be supported and protected through the first shell made of an insulating material, and the efficiency of wireless energy and information transmission between the charging coil and the outside can be improved due to the self-insulating characteristic of the first shell, so that the situation that eddy current is generated on the first shell to cause temperature rise is avoided; through the arrangement of the coating film, the charging coil can be matched with a power supply, a magnetic core structure is formed in the center of the charging coil, the charging efficiency is further improved, a charging magnetic field can be shielded, and eddy current is prevented from being generated on a shell of the power supply.

The invention discloses a mobile self-adaptive charging control and thermal control method and system, and belongs to the technical field of thermoelectric control systems.The method comprises the steps that a charging state sensing matrix is constructed by collecting multi-dimensional data such as electric quantity, battery health, environment temperature and load in real time; a neural network model fusing a space-time attention mechanism and a bidirectional LSTM is adopted to accurately identify a charging demand, and a dynamic strategy library is matched to generate an initial charging parameter; in the charging process, the state of a loop is monitored through double-end synchronous sampling larger than 1 kHz, the current and voltage are dynamically optimized in combination with a battery equivalent circuit model of the self-adaptive order, and efficient power matching and ripple suppression are achieved. And when it is detected that the temperature is abnormal, a multi-mode thermal management mechanism is triggered, and a charging-calculation-heat dissipation cooperative control closed loop is formed. The system also supports security OTA strategy updating based on federated learning and differential privacy; according to the invention, the charging efficiency, the safety and the service life of the battery are remarkably improved, and the environment adaptability in a complex mobile scene is enhanced.

The present application relates to the field of power electronics and battery management technology, and particularly relates to a self-adaptive fast charging method and system suitable for a direct current power supply. The present application breaks through the fixed parameter limitation of the traditional charging mode, automatically optimizes the output charging voltage and current instruction through an intelligent decision model, and can adapt to batteries of different temperature environments, aging degrees and types. The present application can accurately perceive the battery state, identify the battery aging characteristics and adjust the parameters accordingly, with the optimization goal of minimizing the charging loss, reducing the battery heating and relieving the internal aging, effectively prolonging the service life of the battery. At the same time, within the safety constraint of the battery, the optimal charging current is solved through the optimization algorithm, the safe charging power is maximized, the charging efficiency is greatly improved, and the charging time is significantly shortened. In addition, through real-time monitoring of the battery state, the present application can also early identify the battery abnormalities, provide data support for preventive maintenance, and improve the charging safety of the direct current screen system.

The utility model discloses a portable super quick charge charger belongs to charger technical field, including lower cover, the one side of lower cover is provided with the folding plug module, and the inside bottom of lower cover is provided with the fin no. 2, and the upper end of fin no. 2 is provided with the heat conduction silica gel piece, and the upper end of heat conduction silica gel piece is provided with the mica sheet, and the one side of mica sheet is provided with a plurality of type C interfaces, and the one side of type C interface is provided with a plurality of USB A interfaces, and the upper end of mica sheet is provided with the fin no. 1, and the upper end of fin no. 1 is provided with the upper cover, the utility model discloses a setting USB A interface and type C interface can satisfy the charging demand of various equipment, guarantee the high compatibility of equipment use, and gallium nitride quick charger has high power output capacity, can shorten the charging time greatly, and the heat loss is lower, makes charging efficiency higher, through adopting gallium nitride material, the volume and weight of charger can be reduced, and it is convenient to carry.

The utility model provides a kind of power adjustable ac pile belongs to charging technical field.It solves the existing charging pile fixed setting, cannot move the problem of rescue, and this kind of power adjustable ac pile, including trolley main body, several power source compartments are equipped on trolley main body, power source is equipped in power source compartment, output cable is equipped on power source, and the output cable end is equipped with charging gun, and power top is equipped with electric gun connecting hole, trolley main body one end is equipped with trolley handle, trolley handle one side is equipped with winding rope wheel, connecting cable is equipped on winding rope wheel, connecting cable one end is equipped with power access plug, and the connecting cable one end is equipped with input plug, input socket is equipped on power source compartment outer wall, input plug is fixed with input socket, control switch is equipped on power source, the utility model has the advantages of easy moving, power stable.

This utility model relates to a rechargeable foot support, comprising: a base assembly including a housing with a cavity, a charging coil and a PCB circuit board disposed within the cavity, the housing having an installation area communicating with the cavity, and a heat sink installed at the installation area, through which heat from the cavity is conducted to the heat sink; and a support rod movably connected to the housing and the heat sink, through which heat from the cavity is dissipated, thus preventing overheating of the PCB circuit board and the charging coil that could cause short circuits, reducing the temperature inside the cavity, and improving charging efficiency.