38results about How to "Charging safety" patented technology

The invention relates to a storage battery quick charging safety control method, device and equipment and a storage medium. The method comprises the following steps: modeling an equivalent circuit and a thermal equivalent circuit of the storage battery to obtain a dynamic decoupling matrix; battery safety state data are obtained through parallel calculation; performing abnormal mode recognition to obtain an abnormal mode recognition result; inputting an abnormal mode recognition result into a heterogeneous graph gate loop unit, and extracting spatial-temporal features through heterogeneous graph convolution and a GRU structure to obtain deep fault features; calculating the charging safety capacity, and carrying out multiple constraint control on the thermal management and the charge state of the battery to obtain a charging power distribution scheme; the charging power distribution scheme is input into the two-stage model prediction controller for distributed power redistribution, a charging control instruction is obtained, the battery state can be monitored in real time, the abnormal mode can be accurately recognized, self-adaptive control is carried out based on multiple constraints, and the safe and efficient fast charging process is achieved.

The invention provides a high-power charging pile self-adjusting method, medium and system for a high-temperature environment, and belongs to the technical field of electrical variable measurement, and the method comprises the steps: extracting time domain features and frequency domain features of an environment parameter, a charging temperature, an input parameter and an output parameter; a correlation matrix of each parameter is calculated through a Pearson's correlation coefficient and principal component analysis, and a stability matrix and a variability matrix are obtained through singular value decomposition. Based on the two matrixes, an autoregressive integrated moving average model and a conditional autoregressive model are respectively constructed, and the long-term trend and short-term fluctuation of each parameter are predicted. And then establishing a game model, and solving to obtain an optimal output parameter by taking the long-term stability and the short-term stability of the output parameter as a target, and taking the optimal output parameter as a charging pile output parameter in a next time period. The charging process is continuously optimized with the preset duration as the cycle period, and the technical problem that real-time optimization of charging adjustment is difficult to achieve due to the fact that an existing charging control technology is mainly based on a single temperature threshold value is solved.

The invention discloses a control method and system based on an intelligent charging pile cluster, and relates to the technical field of intelligent charging piles, and the method comprises the following steps: recognizing each stage of battery charging, the battery charging stages including an initial stage, a fast charging stage and a trickle charging stage; after entering the trickle charging stage, acquiring charging current data of the battery in real time; and after the real-time current data is obtained, the current data obtained in the trickle charging stage is analyzed under the detection window, and the abnormal condition of current fluctuation is identified. According to the invention, through real-time analysis of current data and rapid identification and adjustment of abnormal fluctuation, damage to the battery caused by overlarge current is avoided, and especially in a trickle charging stage, the service life of the battery is prolonged and the safety is improved. After the abnormal current fluctuation is controlled, the fuzzy logic and PID control are combined, the nonlinear fluctuation is flexibly coped, the stable current is accurately adjusted, the response capability and the regulation and control precision of the system are improved, and the safety and the high efficiency of the charging process are ensured.

The present invention discloses a control method for a split-type DC charging pile, which relates to the field of DC charging technology and solves the technical problem that an idle charging pile is not reasonably adjusted, which further increases the overall load and affects the overall working state. The present invention monitors the electric quantity during the battery charging process to judge the real-time charging process of the battery, and performs different analyses for different charging processes. The working state of the corresponding charging pile is judged according to the electric quantity in the constant current charging stage, and the reasons for the abnormality are analyzed. The specific reasons obtained through the analysis can facilitate the subsequent adjustment of the charging pile on the one hand, and can determine the monitoring of the battery charging process on the other hand, so as to ensure the safety of the overall charging. Finally, the charging pile is adjusted according to the specific reasons, which can improve the overall charging efficiency and reasonably plan the charging time.

The invention is suitable for the technical field of charging control, and provides a cluster charging power distribution method, device and equipment and a storage medium, and the method comprises the steps: obtaining a charging mode selected by a user, a charging current required by a target vehicle, a charging voltage required by the target vehicle, the total power of a charging pile, the number of charging guns of the charging pile, and the line temperature of the charging guns; based on the charging mode selected by the user, the charging current required by the target vehicle, the charging voltage required by the target vehicle, the total power of the charging pile, the number of the charging guns of the charging pile and the line temperature of the charging guns, calculating a power adjustment target value of the charging guns connected with the target vehicle; and controlling the charging power of a charging gun connected with the target vehicle based on the power adjustment target value. The method can accurately determine the distribution of the charging power of the charging gun, can maintain the stability of a power grid, and can improve the utilization rate of energy.

The invention relates to the technical field of electric vehicle charging, in particular to an electric vehicle plug-and-play intelligent identification Java system and method, and the system comprises an intelligent identification module, an authority verification module, a charging control module, a data communication module and a user interaction interface. The plug-and-play intelligent identification Java system and the plug-and-play intelligent identification Java method for the electric vehicle have the beneficial effects that the plug-and-play function of the electric vehicle in a charging station is realized by integrating intelligent identification and authority verification technologies. A user does not need to carry out tedious manual operation or code scanning verification any more, and the system can automatically complete the identification and verification process and immediately start charging only by inserting the charging gun into the vehicle charging interface. Through the improvement, the charging process is greatly simplified, the waiting time of the user is shortened, and the charging convenience is improved. For an electric vehicle user, the charging experience is smoother and more efficient, and popularization and application of the electric vehicle are promoted.

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 invention relates to the technical field of rechargeable batteries, and discloses an intelligent charger, a charging method, a computer readable storage medium and a computer program product in order to solve the problem that the service life of a storage battery is shortened due to a traditional charging machine. The intelligent charger comprises an input protection circuit, a full-wave bridge rectifier circuit, an electromagnetic compatibility (EMC) filter circuit, a surge limiting circuit, an output protection circuit and an output anti-reverse-connection circuit which are connected in sequence, and further comprises a microprocessor, a DC / DC conversion circuit and an overvoltage, overcurrent and short-circuit protection circuit, the DC / DC conversion circuit and the overvoltage, overcurrent and short-circuit protection circuit are respectively connected with the microprocessor, the DC / DC conversion circuit is respectively connected with the EMC filter circuit and the surge limiting circuit, and the overvoltage, overcurrent and short-circuit protection circuit is respectively connected with the surge limiting circuit and the output protection circuit. By adopting the intelligent charger, the charging process of the battery can be controlled and protected, so that the service life of the battery can be prolonged.

The utility model relates to the field of electric vehicle charging equipment, in particular to a movable charging pile socket which comprises a charging pile body, one side of the surface of the charging pile body is provided with a first moving groove, one side of the first moving groove is connected with a socket panel through a moving assembly, and the moving assembly comprises a first moving block. A first moving groove is formed in the bottom end of the first moving block, a plurality of grooves are formed in the bottom end of the first moving groove at equal intervals, a limiting hole is formed in the bottom end of the first moving block, and a limiting assembly is installed in the limiting hole. According to the charging pile, the socket panel can stably stay at any required position, accidental displacement or falling of the socket panel in the charging process is avoided, the problems that a socket of a traditional charging pile is fixed in position and inconvenient to use are solved, and a more convenient solution is provided for charging of the two-wheeled electric vehicle.

The invention discloses a self-walking insulation detection vehicle automatic charging device and an operation method thereof.The self-walking insulation detection vehicle automatic charging device comprises a telescopic sliding table, a horizontal sliding table and an elastic clamping charging assembly, and the horizontal sliding table is installed on the telescopic sliding table and driven by the telescopic sliding table to move in the axial direction; the elastic clamping charging assembly is installed on the horizontal sliding table and is driven by the horizontal sliding table to move in the axial direction, and the elastic clamping charging mechanism comprises an outer shell, telescopic driving parts symmetrically arranged on the edges of the outer shell and vertically extending into the outer shell, elastic charging contact assemblies installed on the telescopic driving parts and pressing assemblies. According to the invention, the design of an electrical structure and an elastic mechanical structure is adopted, so that the elastic charging contact assembly and the pressing assembly are matched to tightly clamp the charging contact of the self-walking insulation detection vehicle, the safe and reliable charging is realized, and meanwhile, the design of elastic pressing and expansion enables the control to be high in robustness and the contact to be high in safety during the butt joint of the charging columns.

The application relates to the technical field of new energy automobile battery management, in particular to a battery management system voltage-boosting charging control method and device, equipment and a medium, wherein the method comprises the following steps: collecting output voltage, communication protocol version and output capacity information of a charging device, and collecting rated voltage and real-time state information of a power battery; determining whether to start a voltage-boosting charging mode according to the output voltage and the rated voltage; in response to the voltage-boosting charging mode, calculating a target charging voltage interval according to the real-time state information and the output capacity information, so as to lift the voltage input by the charging device to the target charging voltage interval; feeding back vehicle charging demand and power battery state to the charging device, and receiving operation state information returned by the charging device, so as to adjust the output current of the vehicle voltage-boosting module to follow the power battery state during the charging process, and complete smooth switching from constant-current charging to constant-voltage charging. Thus, the charging compatibility problem of 500V charging piles and 800V high-voltage platform vehicles is solved.

This invention proposes a real-time lithium plating detection method and device for lithium-ion batteries based on an equivalent circuit model. The method detects lithium plating reactions in lithium-ion batteries using an equivalent circuit model that integrates mechanistic reaction information. During battery charging, this method can automatically and in real-time detect lithium plating based on a lithium plating detection threshold set in offline experiments. This guides battery users to adjust their charging strategies, preventing the continued lithium plating reaction and effectively improving battery safety and lifespan. This method relies solely on the voltage characteristics of the lithium-ion battery, which can be accurately and frequently sampled in existing battery management systems. Furthermore, the simulation model used in this method is an equivalent circuit model, requiring relatively low computational power. Therefore, this method is applicable to existing battery management systems for real-time lithium plating detection and has strong practicality.

The application provides a method for charging temperature compensation of a charging battery by using NTC, which comprises the following steps: setting the maximum charging voltage at high temperature, normal temperature and low temperature, combining the feedback voltage and current of a charging control IC, and calculating the target resistance value of an upper voltage dividing network at each temperature; selecting NTC with a specific temperature coefficient and a nominal resistance value, constructing a composite network in parallel with a fixed resistance and then in series, determining the resistance values of R2 and R3 through iterative calculation so that the equivalent resistance of the network at a characteristic temperature approaches the target value, and connecting the network to a feedback loop to realize automatic temperature compensation of the charging voltage. The application can realize automatic adjustment of the charging voltage of the charging battery at different temperatures, improve the charging precision and safety, and prolong the service life of the battery.

The invention discloses a control method and device for a charging electronic lock, and belongs to the field of new energy automobiles. The method comprises the steps of obtaining a battery charging state and a vehicle state; wherein the battery charging state is used for indicating whether the vehicle has a charging fault; the vehicle state at least comprises a vehicle fortification release state and a vehicle thermal runaway state; the vehicle fortification unlocking state is used for indicating whether an anti-theft system on the vehicle is started or not; obtaining an unlocking mode of the charging electronic lock; and under the current working state of the charging electronic lock, according to at least one of the battery charging state, the vehicle state, the unlocking mode or the fault condition of the charging electronic lock, the charging electronic lock is controlled to conduct working state switching. According to the charging electronic lock, the working state of the charging electronic lock is controlled based on diversified data, the charging efficiency can be improved, and safe charging can be achieved.

The invention discloses a low-damage charging method suitable for a European standard charging pile in an extreme environment, and relates to the technical field of charging piles, and the method comprises the steps: detecting the type of the extreme environment of a current working environment through an external detection instrument of the European standard charging pile; based on the extreme environment type of the current working environment of the European standard charging pile, the European standard charging pile enters a preparation and pretreatment stage; the European standard charging pile carries out handshake matching and charging initialization processing, and the European standard charging pile and the vehicle carry out data communication through a power line carrier; the European standard charging pile enters a pre-charging stage, and the battery voltage is gradually increased until the preset European standard charging pile output voltage is reached; the European standard charging pile adjusts the output voltage and current according to the request of the vehicle, monitors the working environment data of the battery and the cable in real time, and adjusts the working data of the European standard charging pile based on the change of the working environment data. Through data communication between the European standard charging pile and the vehicle, the working data of the European standard charging pile is adjusted in real time.

The present invention discloses an intelligent temperature-controlled battery exchange cabinet, which specifically relates to the technical field of battery charging and swapping cabinets, including a battery exchange cabinet body, on which a charging assembly is arranged, and the charging assembly includes a radiator arranged at the top and bottom of the inner cavity of the battery exchange cabinet body, and a temperature controller is arranged between the two radiators. The present invention can effectively avoid the damage of the other reinforced insulation charging chambers caused by an accident in a certain reinforced insulation charging chamber through the corresponding coordinated use of various structures, and the function of monitoring the charging temperature of the batteries in each placement cavity is also convenient for power off when the resistance value is large, avoiding the phenomenon of fire caused by battery damage, making the device safer when charging, and the current monitor is used to monitor the current transmission of the battery charging in the reinforced cover, and control the automatic power off of the battery in a certain placement cavity after it is full.

A self-adaptive power adapter is characterized in that an input module converts received alternating current into direct current with stable voltage, and a main control module generates a first control signal which is in a first proportional relation with target charging voltage and a second control signal which is in a second proportional relation with target charging current according to a charging request sent by a charging interface; the multi-mode conversion module is driven to dynamically convert in a step-up or step-down mode based on the first control signal, the input voltage is converted into the output voltage matched with the target charging voltage, and the second control signal can drive the output adjusting module to adjust the output current into the output current matched with the target charging circuit. Determining that the output voltage and the output current are matched with the charging demand of the to-be-charged equipment; furthermore, the second control signal is dynamically optimized in combination with the target charging current upper limit of the to-be-charged equipment, so that overload or thermal runaway is prevented, and high efficiency, safety and reliability of the charging process are ensured.

The invention relates to a light storage type electric vehicle charging station energy optimization method and device. The method comprises the following steps: acquiring a real-time charging characteristic parameter, a real-time physical change parameter, a voltage difference physical prediction model and a voltage difference intelligent prediction model of an automobile storage battery; substituting the real-time charging characteristic parameters and the real-time physical change parameters into a voltage difference physical prediction model to obtain voltage difference physical prediction data; inputting the real-time charging characteristic parameters and the real-time physical change parameters into a voltage difference intelligent prediction model to obtain voltage difference intelligent prediction data; according to the voltage difference physical prediction data and the voltage difference intelligent prediction data, predicting the charging state to obtain a storage battery voltage difference prediction curve; and determining a storage battery charging control mode according to a position mapping relation between the storage battery voltage difference prediction curve and each storage battery charging control quadrant. By adopting the method, the safety of the storage battery in the charging process can be effectively improved.

The utility model relates to a kinetic energy recovery and power supply device. The motion energy recovery and power supply device comprises a generator, a power conversion circuit, a first control module and a second control module, and through the arrangement, on one hand, the motion energy recovery and power supply device can convert energy generated by human body motion into electric energy to be conveniently stored; and on the other hand, the internal voltage reference value can be adaptively adjusted according to the actual demand of the charged device, so that the purpose of adaptively adjusting the finally output direct-current voltage is achieved by controlling the duty ratio of a plurality of switching tubes, and the charged device can be quickly and safely charged.

The invention discloses an energy storage charging shoe, and relates to the technical field of shoe manufacturing, and the energy storage charging shoe comprises a shoe body and an energy storage charging device arranged on the shoe body; a battery box is arranged at a heel in a sole of the shoe body, and the battery box is provided with a wiring hole; the energy storage charging device comprises a piezoelectric mechanism, an energy storage unit, a safety control unit and an electric energy output unit. The piezoelectric mechanism comprises a piezoelectric ceramic piece, a piezoelectric film and a signal processing circuit, the piezoelectric ceramic piece is fixed between the elastic collecting device and the upper surface of the shoe sole, the piezoelectric ceramic piece and the piezoelectric film are electrically connected with the signal processing circuit arranged in the battery box through connecting wires, pressure is converted into electric energy, and the electric energy is input into the energy storage unit; the energy storage unit is used for managing and controlling the energy storage process, and the safety control unit is used for controlling charging and discharging operation, detecting state information of a user, carrying out short-circuit protection on a circuit board and converting mechanical energy generated when a human body moves into electric energy, so that charging of external intelligent equipment is achieved, and practicability is higher.

The utility model discloses an AGV static wireless charging system which comprises a ground device and a vehicle-mounted device, the ground device comprises a power supply module, a ground controller, a ground charging control switch, a transmitting coil group and a position detection device, and the transmitting coil group comprises one or more transmitting coils. The transmitting coil is electrically connected with the power supply module through the ground charging control switch and converts an electric signal transmitted by the power supply module into a magnetic field signal; the position detection device comprises two ground induction coils, the two ground induction coils are arranged on the two sides of the transmitting coil set respectively, the ground induction coils and the ground charging control switch are electrically connected with the ground controller, and the ground controller controls the ground charging control switch to be closed when the two ground induction coils detect the AGV. The vehicle-mounted device comprises a receiving coil and a vehicle-mounted battery which are arranged on the AGV body, the receiving coil receives the magnetic field signal transmitted by the transmitting coil group and converts the magnetic field signal into an electric signal, and the receiving coil is electrically connected with the vehicle-mounted battery and transmits the electric signal to the vehicle-mounted battery. According to the utility model, wireless charging of the AGV is realized, and entity connection is not needed; the charging process is safe and reliable, no electric spark exists during large-current charging, and the system is low in magnetic flux leakage, safe and free of electric leakage due to the arrangement of the position detection device and the two ground induction coils.

The invention relates to an energy storage inverter circuit, an energy storage inverter method, an energy storage system and electronic equipment, the energy storage inverter circuit comprises a voltage conversion module, a pre-charging module and a detection control module, the polarity of a first battery end access signal is detected through the detection control module, and a positive electric signal is accessed to the first battery end; under the condition that the pre-charging module finishes pre-charging, the connection between the first battery end and the voltage conversion module is conducted, so that the pre-charging module is short-circuited, and the energy storage battery provides a charging signal to the voltage conversion module, and therefore, reliable battery reverse connection protection can be realized by utilizing a simple polarity detection function; the damage to the energy storage inverter circuit and the battery is avoided, the charging safety and reliability are improved, the loss is low, the battery can be used for a lead-acid battery and a lithium battery, and the adaptability is wide; reverse connection protection of the battery is achieved, meanwhile, the pre-charging module can be short-circuited after pre-charging is completed, and the heating problem is solved.

The application provides a shore power supply box, and relates to the technical field of ship power supply. The direct-current power supply circuit in the shore power supply box comprises a first direct-current loop provided with a first circuit breaker, a second direct-current loop provided with a second circuit breaker and an interlocking mechanism; the first direct-current loop and the second direct-current loop are connected with the same direct-current power supply, and the direct-current voltages output by the first direct-current loop and the second direct-current loop are different; the interlocking mechanism is connected with the first circuit breaker and the second circuit breaker respectively to interlock and control the on-off of the first direct-current loop and the second direct-current loop, and the on-off states of the first circuit breaker and the second circuit breaker are different at the same time. The embodiment of the application can realize direct-current power supply through the first direct-current loop and the second direct-current loop, effectively meet the direct-current power supply demand of the ship, and effectively avoid the mutual interference of the first direct-current loop and the second direct-current loop due to simultaneous work in the mode of alternating work of the first direct-current loop and the second direct-current loop controlled by the interlocking mechanism, so that the safety of charging is ensured.

The present invention proposes a multifunctional binocular laser detection system, which is arranged inside a laser detection instrument, and includes a controller and at least two laser sensors, an angle sensor and a power module connected to the controller; the laser sensor is used to measure the distance from the laser emission point to the projection point in space; the angle sensor is used to measure the angle between the light beams emitted by the two laser sensors; the power module is used to provide electrical energy to the controller, the laser sensor and the angle sensor; the controller is used to obtain the distance between any two projection points in space according to the distance from the two laser emission points to the projection point in space, and the angle between the light beams emitted by the two laser sensors. The present invention provides a detection system with low cost and high precision, which can conveniently measure the distance between any two points in space and integrate the verticality and the angle detection function of two adjacent surfaces.

The utility model relates to a charging device of an electric curtain, which comprises an auxiliary rod and a charging wire connected with the auxiliary rod, one end of the charging wire is provided with a magnetic suction head with magnetism, the magnetic suction head is magnetically connected with a charging port of the electric curtain and is conductive, one end of the charging wire with the magnetic suction head is connected with the upper end of the auxiliary rod, and the other end of the charging wire is connected with the lower end of the auxiliary rod. The auxiliary rod is used for bringing the end, provided with the magnetic suction head, of the charging wire to the height of a charging port of the electric curtain so that the magnetic suction head can be rapidly connected with the charging port to be charged, and one end of the charging wire is changed into the magnetic suction head, and the end, provided with the magnetic suction head, of the charging wire is brought to the height of the charging port of the electric curtain through the auxiliary rod. The magnetic attraction head can be conveniently and magnetically connected with the charging port in the electric curtain and conduct electricity, rapid charging is achieved, people do not need to climb up to connect a charging line with the charging port in an inserted mode, charging is more convenient and safer, and in addition, rapid positioning and rapid connection can be achieved through the magnetic effect of the magnetic attraction head.

The present invention discloses a charging method suitable for a battery swap pack, which belongs to the technical field of battery charging. The method adopts an artificial intelligence model to learn the data relationship between the battery pack state characteristics of the battery swap pack and the charge state corresponding to the battery pack state characteristics manually input, determine the charge state prediction rule, and identify the real-time battery pack state characteristics of the battery swap pack during the charging process based on the charge state prediction rule to determine the real-time charge state. Finally, according to different real-time charge states, different charging strategies are adopted to quickly charge the battery swap pack, which can achieve fast and safe charging and help improve charging efficiency.

The invention discloses an electric vehicle battery charging method and system, and the method comprises the following steps: receiving a charger access signal, and outputting an activation signal which is used for controlling the input end of a charger to be an access; receiving an input signal of the positive electrode of the battery power supply, wherein the input signal is used for charging a charger; the input signal is subjected to boosting processing, a control signal is output according to an available boosting signal after boosting, and the control signal is used for controlling a branch where the input end of the positive electrode of the battery power supply and the output end of the positive electrode of the battery power supply are located to be an access, so that the input signal charges a charger. According to the invention, the input signal is boosted to control the boosted high-voltage end, so that the safety before charging is ensured, and power failure and electric shock faults are prevented.

The invention discloses an underwater wireless charging intelligent mother port platform for a power generation, storage and charging integrated unmanned vehicle. The underwater wireless charging intelligent mother port platform comprises a power generation system, an energy storage system and an underwater charging system, wherein the power generation system is used for generating electric energy by adopting multiple power generation modes; the energy storage system is used for storing the electric energy and providing the electric energy for the underwater charging system; the underwater charging system comprises a contactor dispatching unit and a contactor butt joint unit. The contactor scheduling unit is used for matching a cable laying type wireless charging contactor I for the unmanned aircraft; the unmanned vehicle is provided with a matched cable laying type wireless charging contactor II, and the contactor butt joint unit is used for achieving three-stage positioning butt joint of the wireless charging contactor I and the wireless charging contactor II. According to the invention, the distribution of charging resources can be optimized, the accuracy and safety of charging docking can be improved, and the unmanned underwater vehicle can be ensured to be charged quickly and safely.

The invention discloses a power battery system and a charging method thereof, belongs to the technical field of electric vehicle charging, solves the problems of long charging time and difficult charging of an electric vehicle, and performs optimization design on the structure of a battery module, and then matches a reasonable battery management system. The power battery system comprises a QCBM, an SCBM1, an SCBM2, a vehicle-mounted charger and a battery management system, and can realize two charging modes: (1) the front end of the QCBM is connected with a quick charging port for quick charging, the rear end of the QCBM is connected with the SCBM1 and the SCBM2, and the QCBM performs slow charging on the SCBM1 and the SCBM2; and (2) the QCBM, the SCBM1 and the SCBM2 are all connected with a vehicle-mounted charger, a slow charging device charges each battery module through a slow charging port, and the slow charging device performs slow charging only through the vehicle-mounted charger. The purposes of short charging time, convenient charging, safe charging and prolonged service life of the battery can be achieved.