21 results about "Power pool" patented technology

The invention discloses an n + 1 power supply intelligent control circuit and a fault isolation and energy saving system thereof. The n + 1 power supply intelligent control circuit comprises n main power supply modules, a redundant power supply module, a dynamic energy pool unit, a self-healing isolation unit, an energy efficiency optimization unit and a central control unit, the dynamic energy pool unit is respectively connected with the n main power supply modules, the redundant power supply module and the external energy unit, and is used for integrating the output power of each power supply module to form an adjustable power pool, collecting the power state, health parameters and energy efficiency data of each module in real time and feeding back the power state, health parameters and energy efficiency data to the central control unit; and the output proportions of the modules are dynamically distributed based on instructions of the central control unit. According to the invention, the power supply reliability and fault-tolerant capability are improved, the on-load isolation of the fault module and the rapid reconstruction of the power supply path are realized through the cross connection topology and the pre-isolation mechanism of the matrix type solid-state switch network, and the power supply interruption or large voltage fluctuation caused by the traditional passive isolation is avoided.

The invention relates to the technical field of integrated circuit manufacturing, in particular to a soaking device for a PCB. Comprising a box body, a feeding carrier roller set and a discharging carrier roller set are installed on the box body, a soaking pool, a liquid storage pool and a power pool are arranged in the middle of the box body, a power carrier roller set is obliquely arranged in the soaking pool, a motor is installed in the box body, a rotating roller is rotationally connected in the power pool, and a motor is installed in the rotating roller. An output shaft of the motor penetrates through the power pool and is fixedly connected with the rotating roller, and the rotating roller is slidably connected with moving strips which are evenly distributed in the circumferential direction. According to the PCB soaking device, the PCB is driven to move through the power carrier roller set in the soaking pool, the liquid medicine is driven to flow through the rotating rollers and the moving strips, the liquid medicine penetrates through or bypasses the PCB to circularly flow, the problem of poor cohesion between different processes in the PCB production process is solved, and the treatment efficiency of the PCB soaking process is improved through the structural design.

The invention discloses a multi-port hybrid charging pile power pool reinforcement learning scheduling method and system, and relates to the technical field of computer data processing. The reinforcement learning scheduling method and system for the multi-port hybrid charging pile power pool comprises the following steps: S1, periodically collecting port scheduling data, and preprocessing the port scheduling data; s2, constructing and training a vehicle target SOC prediction model, outputting a vehicle target SOC, evaluating charging urgency of each accessed vehicle, and dividing scheduling priority levels; s3, constructing a port power distribution model, outputting a power distribution value of each charging port, and issuing the power distribution value to a power control interface for execution; and S4, evaluating power scheduling execution deviation, and entering a protection mode when evaluation is abnormal. The problems that the total power of the charging pile cannot be flexibly scheduled due to fixed-proportion power distribution and topological isolation of alternating-current and direct-current ports, high-power resources are occupied by high-electric-quantity vehicles, and charging of low-electric-quantity vehicles is limited are solved.

The invention provides a PDU wiring detection method and device for a charging pile, and the method comprises the steps: controlling a PDU of the charging pile to carry out the power distribution of a corresponding charging gun after a charging instruction is received; one power module is called for insulation detection in each power pool of the charging gun; monitoring the voltage of a direct-current output loop of the charging gun; and if the voltage of the direct-current output loop has negative voltage, judging that the PDU wiring has reverse connection. Whether the output side wiring of the PDU is reversely connected or not can be detected in the vehicle pile interaction insulation detection stage, charging can be rapidly stopped when the output side wiring of the PDU is reversely connected, it is guaranteed that the charging pile and electric vehicle devices are not damaged, and charging safety is improved.

The application provides a charging pile intelligent management gateway and a management method, and belongs to the technical field of charging piles. The charging pile intelligent management gateway is in communication connection with a charging pile group, the charging pile group comprises a plurality of charging piles, and the gateway comprises a state acquisition module, a management module and an interaction module. The state acquisition module is configured to acquire the working state information of each charging pile in the charging pile group after acquiring the charging pile request information sent by a terminal device. The management module is configured to generate a first charging pile matching strategy according to the working state information of each charging pile and the charging pile request information. The interaction module is configured to upload the first charging pile matching strategy to a shared computing power pool and receive a second charging pile matching strategy issued by the shared computing power pool. The interaction module is configured to send the second charging pile matching strategy to the terminal device. The application aims to improve the poor charging pile use experience of users.

A cable swivel for inductive power couplings for powering pool or spa components is provided. A swivel component allows a power cable to a pool or spa component, such as an electric pool cleaner, to swivel when the inductive power couplings are coupled together. The couplings include a first inductive coupling that can be positioned within and / or mounted into a wall fitting, a second inductive coupling that inductively couples with the first inductive coupling, and a swivel component attached to the second inductive coupling for allowing the second coupling to swivel with respect to the first inductive coupling. A retainer ring engages with the wall fitting and retains the first and second couplings and the swivel component in position within the wall fitting.

The invention provides a dynamic priority charging and discharging scheduling method and system based on community V2X vehicle-network interaction, and the method comprises the steps: obtaining the vehicle battery state, travel law, community load and power grid state data through V2X communication, and carrying out the combined evaluation of the dynamic priority and scheduling time window of a vehicle; resource pooling is carried out based on the load demand and the vehicle adaptation degree to form power pool division; and then resolving conflicts by combining with a deterministic travel plan, generating an emergency adjustment set, completing power optimization distribution in a power grid security boundary, and outputting a scheduling instruction. Therefore, aggregation, evaluation, grading and optimal scheduling of community electric vehicle energy storage resources are realized, an electric vehicle cluster is converted into a controllable distributed energy storage system on the premise of ensuring travel requirements of vehicle owners, a power grid is supported, fluctuation is stabilized, and income can be created.

The application discloses a multi-port hybrid charging pile power pool reinforcement learning scheduling method and system, and relates to the technical field of computer data processing. The multi-port hybrid charging pile power pool reinforcement learning scheduling method and system comprises the following steps: S1, periodically collecting port scheduling data and performing preprocessing on the port scheduling data; S2, constructing and training a vehicle target SOC prediction model, outputting a vehicle target SOC, evaluating the charging urgency of each connected vehicle, and dividing a scheduling priority level; S3, constructing a port power distribution model, outputting a power distribution value of each charging port, and delivering the power distribution value to a power control interface for execution; and S4, evaluating a power scheduling execution deviation, and entering a protection mode when an evaluation anomaly occurs. The application solves the problem that fixed proportional power distribution and alternating current and direct current port topology isolation result in the inability to flexibly schedule the total power of charging piles, and cause high-power resources to be occupied by high-battery vehicles and charging of low-battery vehicles to be limited.

The invention provides a multi-service scene-oriented power grid investment optimization method and system, and the method comprises the steps: comprehensively considering the benefits and cost for a plurality of given power grid service scenes, and determining an optimal investment combination strategy; based on power grid operation simulation, scheduling optimization and routing inspection cost modeling, digital benefits are calculated for different business scenes; according to the investment strategy, required construction and operation cost is determined, the cost comprises software and hardware investment cost of each business scene and computing power platform construction cost, and the computing power platform construction cost needs to respectively calculate the cost of a distributed deployment scheme and the cost of a unified computing power pool scheme. According to the invention, unified modeling and linkage optimization of an investment strategy are carried out for a plurality of power business scenes; by constructing a unified main optimization model, taking the investment strategy of each business object as an independent variable, and by introducing benefit analysis and cost constraint, an optimal solution of a cross-scene investment portfolio is searched, and the maximization of the digitization benefit of the whole power grid is realized.

The invention provides a high-power charging power supply cabinet, a charging system and a control method, the power supply cabinet comprises a control module and a plurality of power pools, and each power pool comprises a plurality of charging modules, a plurality of power distribution units and a plurality of busbar groups; a combination mode that one charging module corresponds to one one-input multi-output power distribution unit is adopted, a plurality of combination units form a power pool, finally, a plurality of power pools form the power supply cabinet, a full-matrix power distribution mode is adopted in a single power pool, the flexibility of a power distribution scheme is high, the charging module does not need to be bound with a single output loop, and the cost is low. Other output loops can be flexibly switched, the power pools can be subjected to parallel operation at the terminal so as to meet the high-power charging requirement, and different types of terminals can be flexibly matched with various types of terminals by selecting different numbers of power pools to be subjected to parallel operation.

This invention relates to the field of charging power allocation technology, and discloses a method and system for fast charging piles based on dynamic power allocation. The method involves: collecting a set of charging station status parameters; calculating the charging gap coefficient for each fast-charging vehicle and determining a blocking flag; allocating target charging power to each fast-charging vehicle from an adjustable power pool according to the charging gap coefficient; when the blocking flag is 1, compressing the power of already connected slow-charging vehicles to the minimum maintenance charging power, and connecting the vehicle first in the fast-charging waiting queue to the charging pile, generating a power allocation vector for each charging pile; distributing the power allocation vector to each charging pile for power tracking, updating the charging station status parameter set with the measured output power of each charging pile, and triggering the next scheduling cycle. This invention solves the power mismatch problem caused by existing static power allocation schemes neglecting the individual charging urgency of vehicles, thus improving charging efficiency.

The invention relates to the technical field of new energy automobile charging facilities, and discloses an electric automobile ring network sharing charging system which comprises a rectification power supply module, an annular direct current bus, a plurality of charging terminal modules and a power distribution control module. The rectification power supply module constructs a direct-current power pool shared by the whole station through an annular direct-current bus. The power distribution control module calculates the ratio of the total charging demand power to the total available power in real time to serve as a load pressure coefficient, and dynamically adjusts the emergency degree weight and the system optimization weight based on the coefficient. And calculating a priority score by using the adjusted weight in combination with a vehicle charge state, a mileage demand and a segmentally increased waiting duration factor. When the power is limited, the allocation logic of the guaranteed power and the dynamic addition is executed. According to the method, physical sharing of power resources and adaptive adjustment of strategies are realized, and the charging requirements of emergency users and long-time waiting users under a high-load working condition are effectively guaranteed while power grid optimization is considered.

The invention discloses a method for modularized vertical and horizontal capacity expansion of power of a charging pile and a charging system. The method is based on standardized natural heat dissipation charging pile units, and a plurality of natural heat dissipation power modules are integrated in each unit. Through longitudinal power stacking of the charging pile units, the multiple charging pile units are physically and electrically connected in parallel to form a higher-power single charging pile, so that the high-power charging requirement is met. Through transverse hostless parallel group charging, a plurality of (longitudinally stacked) charging pile units are connected in parallel with a power line through a communication bus to form a charging cluster sharing a total power pool, and dynamic and intelligent distribution of power is realized. Finally, a charging power matrix system which can be flexibly expanded and is high in availability is constructed in combination with a longitudinal capacity expansion mode and a transverse capacity expansion mode, the total power of hundreds of kilowatts of a single unit can be smoothly expanded to several megawatts, and the deployment flexibility and the operation efficiency of charging facilities are greatly improved.

Power supplies for pool and spa equipment are disclosed. In one embodiment, the power supply includes a buoyant housing, a peripheral float, at least one solar cell positioned on the buoyant housing for collecting sunlight and converting same to electrical energy, and a power cable for interconnecting the power supply and pool / spa equipment. In other embodiments, first and second inductive power couplings are provided for powering pool and spa equipment. The power couplings can also be installed using existing plumbing features of the pool or spa.

This invention relates to the field of ship power control technology, specifically disclosing a method and system for coordinated power pooling control of the AFE DC bus in trailing suction hopper (AFE) operations. The method includes collecting multi-source heterogeneous data during the AFE operation, including process parameters, power parameters, and environmental parameters, and performing spatiotemporal alignment processing on the data. The spatiotemporally aligned multi-source heterogeneous data is then input into a preset process stage identification model to determine the current operation process stage, which includes a preparation stage, a dredging stage, a sludge removal stage, and a transfer stage. This invention, through multi-source heterogeneous data acquisition and process stage identification, combined with a four-dimensional power demand prediction model, achieves multi-timescale hierarchical control of the AFE DC bus. Specifically, it constructs a multi-timescale hierarchical control mechanism for the AFE DC bus based on the collaboration of power-type energy storage units and energy-type energy storage units.

The application relates to a power pooling and flexible distribution method, architecture and megawatt liquid-cooled supercharging device, and relates to the technical field of charging. On the basis of the power pooling and power flexible intelligent distribution technology, a multi-objective optimization algorithm is introduced, multi-dimensional information related to the megawatt liquid-cooled supercharging device is utilized, real-time power resources are distributed, and the optimization effect of power resource distribution is achieved. Therefore, the technical scheme can realize the optimization of power pooling and flexible distribution effect, improve the utilization rate of the power resource pool, improve the charging efficiency of the megawatt liquid-cooled supercharging device, meet the charging demands of more vehicles, and further improve the income of the charging station.

The invention relates to the field of box-type substations for power distribution, and discloses a step-down charging box-type substation special for new energy automobile charging, which comprises a box-type substation top cover and a box-type substation base, the high-voltage switch cabinet chamber, the transformer chamber, the low-voltage compensation chamber, the low-voltage chamber corridor and the rectification charging cabinet chamber are integrated in an enclosed space of the box transformer base, are sequentially arranged along the length direction of the box transformer base and are separated by metal partition plates; each chamber is correspondingly provided with a high-voltage switch cabinet, a transformer, a low-voltage compensation cabinet and a rectification charging cabinet, the output end of the transformer is respectively connected with the low-voltage compensation chamber and the rectification charging cabinet chamber, and the output end of the low-voltage compensation cabinet is connected with rectification charging cabinet chamber equipment. The rectification charging cabinet comprises at least two rectification charging modules which are cascaded through a direct current contactor, a control system is matched to collect module power and parking space loads, a station-level power pool is formed, idle power is dynamically distributed, integrated voltage reduction and efficient charging are achieved, and the field and power utilization rate is improved.

The embodiment of the invention provides a load migration method and device, and is applied to the technical field of cross-cloud computing power pools. The method comprises the following steps: at a target moment, determining a source node needing load migration and candidate nodes with possible load migration from a plurality of nodes of a cross-cloud computing power pool; and determining whether migration is triggered in a future preset time period or not according to the popularity value sequence of the source node at the target moment, the popularity value change sequence, the popularity value of the candidate node at the target moment and the link bandwidth from the source node to the candidate node. And if the migration task is triggered, determining a migrated target node from the candidate nodes according to the heat value, the instant electricity price and the link bandwidth of the candidate nodes at the target moment, and migrating the workload to the target node. In this way, the determination accuracy of the trigger migration can be improved, and then the resource utilization rate and the operation and maintenance reliability of the cross-cloud computing power pool are improved.

The present application relates to the technical field of integrated circuit manufacturing, and particularly relates to a soaking device for PCB (Printed Circuit Board). The soaking device comprises a box body, a feeding roller set and a discharging roller set are installed on the box body, a soaking pool, a liquid storage pool and a power pool are arranged in the middle of the box body, a power roller set is arranged in the soaking pool in an inclined manner, a motor is installed in the box body, a rotating roller is rotatably connected in the power pool, an output shaft of the motor penetrates the power pool and is fixedly connected with the rotating roller, and the rotating roller is slidably connected with moving strips which are uniformly distributed in a circumferential direction. The power roller set in the soaking pool drives the PCB to move, and the rotating roller and the moving strips drive the liquid medicine to flow, so that the liquid medicine penetrates or bypasses the PCB to circulate, which not only solves the poor connection between different processes in the PCB production process, but also increases the processing efficiency of the PCB soaking process through structural design.