57results about How to "Guaranteed charging efficiency" patented technology

The invention discloses an alternating current charging pile ordered charging power regulation and control method, and relates to the technical field of alternating current charging pile charging power regulation and control, and the method specifically comprises the following steps: obtaining the operation state information of each alternating current charging pile in real time, and generating a voltage fluctuation influence index and a load dynamic response index of each alternating current charging pile; constructing a power influence evaluation model for the generated voltage fluctuation influence index and the load dynamic response index of each alternating current charging pile, generating a power influence evaluation coefficient of each alternating current charging pile, performing analysis after generation, and evaluating the influence degree of the three-phase voltage phase difference fluctuation on the charging power of each alternating current charging pile. And the alternating current charging piles are divided into low-influence charging piles, medium-influence charging piles and high-influence charging piles according to the evaluation result. According to the method, the problem that the charging power is influenced by three-phase voltage phase difference fluctuation is solved, and the efficient and stable effects of dynamic evaluation and accurate regulation and control of the power of the charging pile are achieved.

The invention discloses a lithium battery charging and discharging control method and system, a product and a medium, and relates to the field of charging control, and the method comprises the steps: collecting the terminal voltage and charging and discharging current data of a current battery, and calculating the state of charge and the state of health of the current battery according to the terminal voltage and the charging and discharging current data; collecting surface temperature data of the current battery, and judging whether the surface temperature data is within a preset safety interval range or not; if yes, a preset charging curve corresponding to the charge state, the health state and the surface temperature data is called from a preset battery model database, and the preset charging curve comprises a plurality of charging stages; based on the charge state, the health state and the surface temperature data, carrying out segmented correction on the charging multiplying power and cut-off voltage of the preset charging curve to obtain an optimal charging curve; and charging the current voltage based on the optimal charging curve. By implementing the method, the charging efficiency of the lithium battery can be improved.

The present invention discloses a battery charging method, a controller, a charging and discharging system, a storage medium and a vehicle. The battery charging method comprises: obtaining first battery data of a power battery, determining a current charging condition based on the first battery data; when the current charging condition is a high charging condition, determining a target charging current based on a pulse charging strategy, and charging the power battery based on the target charging current. In this solution, when the battery is in a high charging condition, pulse charging is performed based on a pulse charging strategy, which can not only ensure the charging efficiency of the power battery in a high charging state, but also avoid lithium deposition, thereby extending the battery life.

The invention provides an automatic charging method and device for an auxiliary robot, equipment and a storage medium, and the method comprises the steps: obtaining a state data set of a charging station, and generating a charging station state matrix according to the state data set; performing long-short-term memory network model training and prediction processing on the charging station state matrix to obtain expected utilization rate data of the charging station in a preset time period; attribute data of the auxiliary robots are obtained, weighted evaluation is carried out on the attribute data, and a dynamic priority matrix of each auxiliary robot is obtained; performing deep learning network training and optimization processing on the charging station state matrix and the dynamic priority matrix to obtain an optimal charging scheduling strategy; determining a target charging path of the auxiliary robot according to preset three-dimensional map information, the expected utilization rate data and the optimal charging scheduling strategy, wherein the preset three-dimensional map information comprises three-dimensional position information of the charging station; and controlling the auxiliary robot to perform automatic charging according to the target charging path.

The utility model provides a charging gun and a charging system, the charging gun comprises a charging terminal, and a cavity is formed in the charging terminal; and the cooling assembly comprises a cooling shell, the cooling shell is arranged in the cavity, a fluid channel is formed in the cooling shell, and a cooling working medium in the fluid channel can cool the charging terminal, so that the charging terminal is cooled, the charging efficiency when the charging gun charges the vehicle is ensured, and the charging safety is improved.

The invention discloses a multi-protocol fast charging control method, device and equipment and a computer readable storage medium, and relates to the technical field of charging. The multi-protocol fast charging control method is applied to the vehicle-mounted charging device, the vehicle-mounted charging device comprises a multi-protocol module configured with multiple fast charging protocols, and the multi-protocol fast charging control method comprises the following steps: after an electrically-connected first terminal device is detected, sending the first terminal device to the vehicle-mounted charging device; acquiring a current charging environment of the vehicle-mounted charging device and a first fast charging protocol set of the first terminal equipment; screening out the first fast charging protocol set with the highest power in the current charging environment from the first fast charging protocol set as a first target protocol; and calling the first target protocol to charge the first terminal device based on the multi-protocol module. The technical problem that an existing multi-protocol fast charging control method is low in charging efficiency is solved.

The utility model relates to the technical field of new energy automobile charging, and discloses a charging gun pipeline mounting assembly and a charging pile, and the charging gun pipeline mounting assembly comprises a pipeline skin, a cable core, a connector and a cooling liquid pipeline; cooling liquid flows between the inner wall of the pipeline wire skin and the outer wall of the wire core; a pipeline connecting part is arranged at one end, in the vertical direction, of the connector, a pipeline is arranged in the pipeline connecting part, the pipeline connecting part is connected with one end of the pipeline skin, and the pipeline communicates with the interior of the pipeline skin; the wire core extends into the pipeline and is fixedly connected with the joint and forms electric contact with the joint; the joint is configured to be mounted towards the cabinet body along one radial side of the pipeline wire skin and is electrically connected with a conductive part in the cabinet body; one end of the cooling liquid pipeline is communicated with the pipeline, the other end of the cooling liquid pipeline is used for being connected with a heat dissipation component in the cabinet body, and the cooling liquid pipeline is used for cooling liquid circulation so as to dissipate heat of the wire core. In this way, leakage of the cooling liquid can be avoided, and the safety of the charging pile is improved.

The 80w vehicle-mounted mobile phone wireless charging refrigeration and heat dissipation system comprises a charger main body, a semiconductor refrigeration module, a first thermistor installed on a PCBA board of the charger main body, a second thermistor installed on a coil of the charger main body, a first fan, an MCU control module, an AD acquisition module and a data storage module. Wherein the first thermistor and the second thermistor are electrically connected with the AD acquisition module; the AD acquisition module is used for preprocessing acquired data, converting an analog signal into a digital signal and sending the digital signal to the MCU control module; the MCU control module is electrically connected with the semiconductor refrigeration module and the first fan, the air speed of the first fan and the voltage of the semiconductor refrigeration module are intelligently controlled through the MCU control module, and generated cold air is blown into the charger body for rapid cooling; according to the system, cold air is blown to the charging equipment and the charger for cooling, so that the charging effect and the charging safety can be ensured, and the problem of high heat of a high-power (80w) charger is avoided.

The invention relates to the technical field of power distribution, in particular to a power distribution method and device for a non-condensation environment of a flexible charging pile and computer equipment. Comprising the following steps: acquiring temperature and humidity data inside and outside a charging pile through a sensor, and correcting and calibrating the data based on an external environment fluctuation factor to obtain accurate temperature and humidity distribution data; analyzing temperature distribution, identifying an area with a relatively large temperature gradient, generating an airflow adjustment scheme, and adjusting an internal airflow to enable a temperature field to tend to be uniform; monitoring the temperature and humidity data of the key part, judging the water vapor adhesion probability, and performing local dehumidification or heating intervention when necessary; and the change trend of the electrical insulation performance is continuously monitored, the airflow strategy is optimized, self-adaptive power distribution and airflow adjustment are carried out according to the optimization result, and stable operation of the charging pile is ensured. According to the invention, the problem of water vapor adhesion possibly caused by the charging pile in a non-uniform temperature and humidity environment is solved, and stable and efficient operation of the charging pile in a complex environment is realized.

The invention relates to the technical field of decontamination and deicing of transmission line insulators, and discloses an intelligent decontamination and deicing device for suspension insulators of transmission lines, which solves the problem of low decontamination and deicing efficiency. The device comprises two transmission lines, each of which is fixed with a group of insulators on the outside, the tops of the two groups of insulators are provided with fixing plates, the bottoms of the fixing plates are fixed with fixing boxes, the insides of the fixing boxes are provided with rigid chains, the bottoms of the rigid chains are fixed with air outlets through a vibration box, the insides of the vibration box are provided with right and left vibration rods, the bottoms of the vibration box are provided with close rods, and the outsides of the close rods are provided with cleaning disks. The decontamination and deicing method of the transmission line insulators of the invention adopts an intelligent method, thereby improving the decontamination and deicing efficiency, reducing power outage time and economic losses, thereby preventing flashover accidents of suspension insulators caused by icing, ensuring the safe and stable operation of the power system, and reducing labor costs and risks.

The invention discloses a nickel-metal hydride battery constant-temperature charging control method, which comprises the following steps of S1, initializing hardware and parameters, and acquiring a current environment temperature, a battery temperature and a battery state; s2, setting an initial charging current and a temperature wall temperature by adopting a multi-stage setting strategy; s3, acquiring the battery temperature and the battery state in real time, and realizing constant-current charging and variable-current charging control of the battery by adopting a multi-stage control method; and S4, finishing charging. According to the invention, the battery is charged at a constant temperature, and the temperature of the battery is controlled within the set temperature range of the temperature wall, so that the thermal failure of the battery is avoided, the charging efficiency of the battery in closed equipment and equipment with poor heat dissipation is ensured, and the service life of the battery is prolonged at the same time.

The present application relates to liquid cooling heat dissipation technical field, specifically propose a kind of liquid cooling cooling system of charging pile, comprising: liquid cooling part, transfer part and heat removal part;Liquid cooling part is set on power module, and it is provided with flow channel for fluid passing in it;Transfer part is provided with transfer cavity for fluid passing, and the water inlet of flow channel is communicated with transfer cavity, and the water outlet of flow channel and transfer cavity are connected in parallel with first channel and second channel;Heating assembly is provided in transfer cavity;Heat removal part is set on first channel;When the temperature of fluid is higher than first preset temperature, first channel opens, and second channel closes;When the temperature of fluid is lower than second preset temperature, second channel opens, and first channel closes.Overcome the problem of waiting for temperature to rise, avoid the temperature of power module too low and cannot normally start, improve cooling efficiency, also can avoid temperature too low, so as to maintain the temperature of power module in normal range, to ensure charging efficiency.

The utility model provides a vehicle charging seat, which relates to the technical field of connectors, and comprises an integrally formed hollow base shell, the side wall of the base shell is provided with an insertion port, an installation cavity communicated with the insertion port is formed in the base shell, and the top of the base shell is provided with a plurality of installation holes penetrating through the installation cavity. Each mounting hole is provided with an upper port positioned above the mounting cavity and a lower port positioned below the mounting cavity; the PCB is inserted in the longitudinal direction through the insertion opening and is fixed in the mounting cavity, and one end of the PCB extends to the insertion opening and forms an electric connection part used for being connected with external equipment; each terminal penetrates through the upper port of the corresponding mounting hole from top to bottom and is inserted into the lower port, and the part, located in the mounting cavity, of each terminal is electrically connected with the PCB. The vehicle charging seat adopts the integrally formed hollow base shell, so that the number of parts of a product is reduced. The production cost is reduced, the assembly process is simplified, and the production efficiency is improved.

The present invention relates to the technical field of automobile charging piles, and discloses an interface protection device for an electric vehicle charging pile, a supporting mechanism, and the supporting mechanism also includes an equipment shell. In order to prevent voltage mismatch from occurring, which may cause internal equipment to be damaged by resistance, the present invention, when the equipment is turned on for charging, current is transmitted from a transmission line to a power-on block, and from the power-on block to a transmission electric support. When voltage mismatch occurs in the equipment, a sliding square plate and a power-on block are affected by the voltage to generate high temperature, and the temperature generated will heat the liquid inside a liquid tank, causing the liquid to expand and contract due to heat and move upward through the liquid tank. When the temperature reaches a certain level, current will be transmitted to a transmission secondary line through the expanded liquid, and the transmission secondary line will drive an electric telescopic rod to contract, causing the power-on block to move backward to the resistance block, thereby physically cutting off the connection with the equipment and ensuring that the equipment will not be damaged due to high temperature.

The present invention belongs to the technical field of charging pile supervision, and specifically is a charging pile charging efficiency monitoring system based on artificial intelligence, comprising a charging efficiency monitoring module, a charging pile aging analysis module, a charging pile operation and maintenance detection module, a charging cable diagnosis module, an environmental impact assessment module and a background management terminal; the present invention monitors the charging efficiency of the charging pile through the charging efficiency monitoring module, can reasonably analyze and accurately feedback the charging efficiency performance of the charging pile, performs charging pile aging analysis when generating a charging efficiency unqualified signal, analyzes the operation and maintenance urgency of the charging pile when generating a charging pile low-loss signal, performs abnormal diagnosis on the charging cable when generating an operation and maintenance low-emergency signal, analyzes the environment in which the charging pile is located when generating a charging cable lossless signal, can perform progressive and accurate diagnosis on the cause of abnormal charging efficiency, ensure the charging efficiency and charging safety of the charging pile, and has a high degree of intelligence.

The utility model discloses a wireless charging device, which comprises a receiving coil, a receiving coil shell, a transmitting coil, a transmitting coil shell and a connecting piece, the receiving coil is arranged in the receiving coil shell; the transmitting coil is arranged in the transmitting coil shell; when the transmitting coil shell is moved to the receiving coil shell and the transmitting coil shell and the receiving coil shell are aligned to a preset position through the connecting piece, the transmitting coil and the receiving coil directly face each other and are in a matched state, and the gap and the offset between the transmitting coil and the receiving coil are smaller than or equal to a set threshold value. According to the utility model, the coil dislocation during charging can be reduced, the coil area can be reduced, the requirement for foreign matter detection can be reduced, and electromagnetic radiation can be reduced, so that the charging safety is ensured while the charging efficiency is ensured, and the manufacturing cost of the charging device is reduced.

The invention provides a charging method and device based on real-time feedback control and a charger, and the method comprises the steps: building communication connection with power supply equipment and to-be-charged equipment based on a protocol, and collecting the target electric state quantity of the to-be-charged equipment; extracting state data of to-be-charged equipment and state data of power supply equipment, constructing a charging prediction control model, and constructing a feedback regulation model according to the charging prediction control model; performing iterative optimization on the charging prediction control model and the feedback adjustment model to generate a charging strategy model; and obtaining a charging strategy based on the charging strategy model, and charging the to-be-charged equipment to the target power state quantity based on the charging strategy, so that the effect of balance adjustment of the power supply equipment and the power output quantity of the power supply equipment is realized, the effect of smooth increase of the power change curve of the to-be-charged equipment is achieved, and the stable increase of the power change is realized. Therefore, over-high voltage fluctuation in the battery is avoided, and the minimum loss of the battery is realized on the premise of ensuring the charging efficiency.

The invention relates to a stepped charging optimization method, a charging control device and a computer storage medium. According to a preset charging comparison table, the polarization degree of the charging process is judged in combination with a charging SOC-OCV curve, necessary shelving steps are set to eliminate the polarization influence, and overvoltage cut-off in advance is avoided. Meanwhile, the shelving time and the charging current of the next stage are controlled, and the preset charging comparison table is optimized. The optimized stepped charging scheme not only can ensure the charging efficiency of the battery, but also can avoid polarization accumulation in the battery as much as possible, so that the charging and discharging cycle is smoothly carried out. Battery loss caused by charging is reduced, and battery life is prolonged.

The invention belongs to the technical field of power transmission devices, and particularly relates to a non-contact power transmission device which comprises a base, a trolley is placed above the base, a PLC is fixedly connected to the upper side wall of the base, and a power source with an electric quantity sensing element is arranged in the trolley. When a power supply in the trolley is charged in a non-contact manner, the charging speed can be automatically slowed down after the internal electric quantity of the power supply reaches 90%, so that irreversible damage to the power supply caused by deposition of lithium metal on the surface of a negative electrode due to the fact that an electromagnetic induction charging device charges the power supply at high efficiency all the time is avoided; when the electromagnetic induction charging device is used for charging a power supply in the trolley, heat generated when the magnetic induction coil works can be automatically dissipated, and the problems that too much heat is accumulated in the magnetic induction coil, coil aging is accelerated, and the service life of the coil is shortened are solved.

The invention provides a charging abnormity diagnosis and evaluation system applied to a mobile charging vehicle. The charging abnormity diagnosis and evaluation system comprises the steps of collecting feedback working data of the mobile charging vehicle, constructing output feedback information corresponding to the mobile charging vehicle by utilizing the feedback working data, and establishing a plurality of actual charging characteristics of a charged vehicle according to the output feedback information, performing abnormality evaluation on each actual charging characteristic to obtain a charging evaluation report of the charged vehicle, performing troubleshooting according to the charging evaluation report, determining an abnormal problem corresponding to the charged vehicle and the mobile charging vehicle, calling a solution corresponding to each abnormal problem, and performing optimization to obtain a solution corresponding to each abnormal problem; a problem optimization scheme is generated and implemented, and by monitoring current and voltage when the target vehicle is charged by the mobile charging vehicle, abnormality assessment and judgment are carried out, so that effective implementation of the charging process is ensured.

This invention relates to the field of electric vehicle charging technology, and discloses an intelligent charging control method and storage medium based on battery health status perception. The method includes: continuously acquiring real-time battery status parameters and real-time charging current of the charging pile; generating a time-series input sequence based on the real-time status parameters, real-time charging current, and a predetermined dynamic internal resistance of the battery; inputting the time-series input sequence into a pre-trained long short-term memory network model to output a predicted battery health value and a risk factor; and adaptively adjusting the output power of the charging pile based on the predicted health value and the risk factor. In this invention, based on real-time assessment of the battery's current health status and risks, the output power of the charging pile is dynamically adjusted adaptively to prevent battery capacity degradation, reduce the risk of overcharging or overheating, and maximize battery life while ensuring charging efficiency, thereby improving the charging stability of the electric vehicle.

The present disclosure relates to a charging control circuit, method, device and storage medium. The charging control method comprises: determining a first temperature corresponding to a terminal; determining a second temperature corresponding to each charge pump chip in a charge pump chip set included in the terminal, and determining a target charging current to be distributed to the charge pump chip based on the first temperature and the second temperature; and adjusting the resistance value of a resistor connected in series with each charge pump chip in the charge pump chip set to drive the current of the charge pump chip to reach the target charging current. The charging control method provided by the embodiments of the present disclosure can reduce the charging temperature and improve the charging efficiency.

The application discloses a wearable electronic device, a charging device and an electronic product, the wearable electronic device comprising a shell and an electronic function assembly, the electronic function assembly comprising a first electric connection part and a user sign detection unit, the first electric connection part being electrically connected with the charging device, the shell being provided with a contact part facing a user, the user sign detection unit being arranged on a positioning boss of the contact part, the first electric connection part being arranged on a positioning protrusion of the contact part, an end surface of the positioning boss being circular, the positioning protrusion being connected with an outer edge in a circumferential direction of the positioning boss, and the contact part and the charging device being relatively fixed when the first electric connection part is electrically connected with the charging device. The contact part is matched with a positioning groove, so that the wearable electronic device and the charging device are relatively fixed, the charging efficiency between the charging device and the wearable electronic device is ensured, the structure between the first electric connection part and the contact part is relatively compact, the space of the wearable electronic device can be saved, and the miniaturization of the wearable electronic device is facilitated.

The present invention relates to the field of battery control technology, and specifically discloses a battery pack control system and method for an electric vehicle, and an electric vehicle, wherein the electric vehicle includes a first motor control circuit, a second motor control circuit and a third motor control circuit, and the control system includes: a switch module, which is used to connect the battery pack, the first motor control circuit, the second motor control circuit, the third motor control circuit and an external power supply device, and is suitable for controlling the connection between the battery pack, the first motor control circuit, the second motor control circuit, the third motor control circuit and the external power supply device, so that the battery pack can operate in one or two working modes of self-heating mode, direct charging mode and buck charging mode. The present invention provides a battery pack with multiple charging modes by using a combined motor control circuit, which can improve the environmental adaptability of the electric vehicle, while reducing the design cost of the electric vehicle, and can also ensure the charging efficiency of the battery pack.

The invention discloses a fast charging method for a camera intelligent battery, and relates to the technical field of camera battery charging. Inputting the battery loss coefficient into a pre-trained neural network model, and outputting a charging power upper limit value adaptive to the current battery state; performing matching operation on the temperature distribution data and a charging power upper limit value to generate a first-round dynamic charging power curve; in the first-round dynamic charging power curve execution stage, the first-round dynamic charging power curve is corrected according to the trend characteristics of the voltage response curve; and dividing the corrected charging power curve into a plurality of time periods according to a preset time interval, and charging the battery according to the power value corresponding to each time period until the charging is completed. According to the method, the neural network model is introduced, the mapping relation between the battery loss coefficient and the safe charging power is established, and intelligent adjustment of the charging parameters is achieved.

The invention relates to the field of charging piles, in particular to a flexible wire dragging device and method for a stereo garage charging pile. Comprising a charging pile side rotating shaft column arranged on the ground and a connecting chain connected with the charging pile side rotating shaft column, the other end of the connecting chain is connected with a parking space side fixing head, and the two ends of the connecting chain are connected with the charging pile side rotating shaft column and the parking space side fixing head through end assemblies respectively; the connecting chains comprise at least one long-distance chain and at least one short-distance chain, the number of the long-distance chains and the number of the short-distance chains are increased or decreased according to the swing amplitude requirement of the garage car carrying plate, and then the connecting chains with different lengths are combined. When the device is actually applied, the length of the cable between the charging pile and the vehicle carrying plate can be effectively reduced, the material cost is reduced, the weight of the cable is reduced, the layout of the whole charging system is simple and efficient, unnecessary length waste is reduced, and the cost is effectively controlled while the charging efficiency is ensured.

The present invention discloses a battery multiple overcurrent protection circuit and chip, which relates to the field of battery protection technology, including a power module for power supply; a first battery control module, which is connected in series with a second battery control module and a third battery control module, and is used for power transmission control, energy storage and power-off control; a shunt overcurrent detection module for overcurrent detection; a power supply control module, which supplies power to a timing switching module when overcurrent occurs; a timing switching module, which is used to time the first battery control module, the second battery control module and the third battery control module for overcurrent detection; and a shunt protection module, which is used to perform power-off control on a battery control module where overcurrent occurs. The battery multiple overcurrent protection circuit and chip of the present invention can perform power-off control on a battery control module where overcurrent occurs, maintain normal charging of the battery control module, ensure the charging efficiency of the battery, avoid the influence of abnormal single cells on the overall battery, and increase the service life of the battery.

The present invention discloses a battery safety management system and method, which relates to the field of battery management technology. After multiple cycles of iteration based on the optimization algorithm, the optimal charging strategy is output for the battery. During the charging process, the battery is divided into several monitoring areas. After obtaining multiple data of the monitoring area in real time, the multiple data are brought into the TOPSIS algorithm to calculate the relative closeness index of each monitoring area. After the relative closeness index of each monitoring area is comprehensively weighted and calculated according to the weight coefficient, it is predicted whether the battery will be abnormal during the charging process, and a corresponding management strategy is generated based on the prediction result. During the battery charging process, the management system can dynamically adjust the charging strategy in combination with the battery's historical charging data, ensure the battery charging efficiency while ensuring the battery charging safety, and predict the battery charging abnormality, so that the battery can be processed in time before the abnormality occurs, further ensuring the battery safety.

The invention discloses a vehicle wireless charging pile using a wireless charging principle for charging, and belongs to the technical field of charging piles, the vehicle wireless charging pile comprises a shell, a built-in charging pile body, a wireless charging mobile vehicle, a vehicle storage box, a withdrawing assembly and an identification assembly, an identification camera identifies a vehicle license plate and transmits license plate information to a controller, and the controller is connected with the wireless charging mobile vehicle. The thermal imaging detector recognizes a vehicle chassis, judges the position of a battery and transmits battery position information to the controller, and when the controller judges that the vehicle is an electric vehicle according to license plate information, the angle adjusting mechanism adjusts the angle of the deflection box, so that the wireless charging mobile vehicle faces the position of the battery. The wireless charging mobile vehicle moves out of the deflection box through the deflection box and an opening, communicated with the upper portion of the parking ground of the parking space, of the vehicle storage box and moves to the position of a battery, and when charging is completed, the recognition camera cannot recognize license plate information and transmits a license plate-free information signal to the controller; and the withdrawing assembly drives the wireless charging mobile vehicle to withdraw into the deflection box.