678 results about "Power distribution unit" patented technology

The invention provides a split type direct current charging multi-split group charging and group control control system, and belongs to the technical field of split type direct current charging piles. The split type direct current charging system comprising a main control cabinet, a power distribution unit, a charging pile terminal and other hardware architectures is constructed; a voltage monitoring unit, a current sensor module, a harmonic filter and other multi-dimensional sensor networks are integrated to acquire power grid state data in real time, and a sliding time window method is used to carry out segmented analysis on the data to extract power grid characteristic parameters; establishing a multi-objective optimization model comprising a power balance equation and a power grid stability equation to calculate an optimal power distribution matrix, adopting a neural network to realize intelligent distribution and dynamic balance adjustment of the power of each charging pile terminal, and starting an emergency power redistribution mechanism to ensure stable operation of the system when the power grid is detected to be abnormal. The technical problem of unbalanced power distribution of the multi-pile charging system caused by power grid voltage fluctuation and harmonic pollution is solved.

The invention relates to a high-sensitivity anti-interference satellite navigation signal receiving system and method based on Rydberg atoms, and the system comprises a signal detection unit which is used for receiving a satellite navigation direct signal and outputting an electric signal; the data receiving unit is used for processing the electric signal output by the signal detection unit and outputting a navigation message; the power distribution unit is used for providing power for the signal detection unit and the data receiving unit; the signal detection unit comprises an atomic antenna which comprises four miniature atomic air chambers and is used for receiving satellite navigation direct signals from different directions; the light path system is used for providing detection laser and coupling laser for the miniature atomic gas chamber so as to excite atoms in the miniature atomic gas chamber from a first low-energy-level state to a high-energy-level state; and the patch antenna is arranged on one side of the miniature atomic gas chamber and is used for providing a local oscillation microwave signal for the miniature atomic gas chamber so as to realize superheterodyne high-sensitivity microwave signal receiving.

The invention discloses a fork type mobile robot power distribution unit dynamic distribution control method and system, and relates to the technical field of intelligent robots, and the method comprises the steps: arranging sensors at a robot PDU input end and each output channel, collecting an operation data set in real time, and carrying out the preprocessing to form a dynamic feature data set; the main control microcontroller carries out power response analysis and evaluates a channel response state based on the dynamic characteristic data set, generates a preliminary power distribution instruction, calculates a target current MI during preliminary power distribution, carries out thermal stress analysis, and constructs a thermal stress identification index Htt to carry out thermal accumulation risk evaluation; when a heat accumulation risk exists, calculating a channel target current MII when the secondary power supply is distributed, and adjusting the duty ratio of an MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) switch to carry out heat suppression regulation and control; and after the distribution is completed, calculating an energy utilization rate Nsys and executing energy efficiency state evaluation. According to the method, adaptive distribution and safe operation management of the multi-channel power supply of the robot are realized.

The invention discloses a distributed intelligent power distribution method and system for a power network, and belongs to the technical field of power distribution control, and the method comprises the steps: collecting multi-dimensional electrical parameters of a power generation node in real time, and carrying out the dynamic power monitoring at a feeder terminal of a transformer substation through an edge calculation node; executing line loss calculation and load prediction in the power distribution unit, generating a demand feedback instruction to a feeder terminal node, and triggering an adaptive power distribution strategy; and on the basis of a digital twin system of a regional dispatching center, credibility verification is carried out on operation decisions of all edge nodes, and global optimization compensation control is executed. The method has the remarkable advantages in the aspects of optimizing power distribution, reducing line loss, improving system stability and safety and achieving efficient energy utilization, and intelligent management of a power network becomes possible.

The utility model relates to a high-voltage power distribution box, the high-voltage power distribution box comprises a control unit and a power distribution unit, the control unit comprises a cover body, a control circuit board, a base, a plugging device and a control component group, the control component group is installed on the control circuit board, the cover body and the base are detachably connected, and the control circuit board is arranged between the cover body and the base. The power distribution unit comprises a bottom shell and a power distribution component set, the power distribution component set is installed on the bottom shell, the plugging device comprises a male end assembly and a female end assembly, one of the power distribution component set and the control circuit board is electrically connected with the male end assembly, the other one is electrically connected with the female end assembly, and the male end assembly is inserted into the female end assembly. And the control component group can be electrically connected with the power distribution component group through the control circuit board and the plugging device. According to the high-voltage distribution box provided by the invention, the problems that a large amount of internal space of the high-voltage distribution box is occupied and the assembly difficulty of the high-voltage distribution box is increased in an existing installation mode are solved.

The invention relates to the technical field of battery systems, and discloses a multifunctional power distribution unit and method for a heavy truck type battery system, full-function architecture design is carried out, and the method comprises the following steps: designing a main loop; designing a negative electrode end detection control loop; designing a heating loop; a communication control loop is designed, a battery management system is integrated in a designed battery distribution unit, and a communication connector group is externally connected with a whole vehicle system for data interaction; designing a pre-charging loop; solidifying the box body structure and the device positions, and carrying out device layout in the box body along the box wall and the box bottom; corresponding devices are reduced according to a preset mode, the total negative relays of the pre-charging loop and the negative electrode end detection control loop are adjusted to be connected in parallel according to needs, the collecting wire harness and / or the trend of the copper bar are adjusted, and different new frameworks are derived. The platform PDU is obtained through design, the box body serves as a shared platform, the multi-framework derivation capacity is achieved, the diversity and universality of the power distribution unit are improved, and the development cost and period of cross-configuration are optimized.

A cooling manifold for distributing liquid coolant to a plurality of liquid cooled information handling systems includes a temperature sensor, a pressure sensor, and a flow meter for detecting coolant temperature, pressure, and flow rate respectively. The cooling manifold may further be associated with a data acquisition device configured to convert signals representing temperature, pressure, and flow rate from the sensors to data signals and transmit the data signals to a data center building management system via a power distribution unit.

The invention relates to the technical field of vehicles, in particular to a dual-redundancy power supply management system and method, and the system comprises an intelligent power distribution unit which is integrated with a first-stage power distribution circuit and a second-stage power distribution circuit; a plurality of MOS (Metal Oxide Semiconductor) tubes are arranged in the primary power distribution circuit and are used for executing corresponding switching operations according to different power failure modes; the secondary power supply distribution circuit comprises a plurality of high-side driving units and is used for providing controlled power supply output for a load, and the high-side driving units have the functions of current detection, temperature detection and fault protection; and the control unit is used for controlling the on-off states of the MOS tube and the high-side driving unit and realizing feedback and remote control of fault information through a bus. Therefore, the problems of low integration level, limited functions, insufficient safety, difficulty in meeting high-order intelligent driving requirements and the like of a vehicle power supply management scheme in related technologies are solved.

A system may comprise a vehicle having a frame. One or more rails may form at least a portion of the frame. The system may comprise a container configured to be mounted to the one or more rails. The system may comprise a plurality of battery packs positioned within the container below the one or more rails. Each of the plurality of battery packs may extend across an entire length of the container. The system may comprise a power distribution unit (PDU) to which the plurality of battery packs are connected. The plurality of battery packs may be configured to provide power to at least one component of the vehicle via the PDU. The container may protect against road debris and moisture.

The invention discloses a machine room fault positioning dynamic environment monitoring system, relates to the technical field of machine room monitoring, and solves the problems of inaccurate power supply fault source positioning and response lag of a traditional system. According to the technical scheme, the method comprises the steps that a current sensor set is arranged at the input end of a cabinet-level power distribution unit in a machine room, current values are monitored at the interval of 15-30 seconds, a power supply path database stores electrical connection topology and coordinates of a mains supply input cabinet, a UPS output cabinet, an array cabinet and the cabinet-level power distribution unit, and a central processing unit compares the current values with a preset threshold value; and when the current of a certain unit continuously exceeds a threshold value for 20-60 seconds, a primary alarm signal is generated, an upstream equipment sequence column head cabinet shunt, a UPS output cabinet circuit breaker and a mains supply input cabinet switch corresponding to the fault unit are extracted, and an alarm signal and sequence information are output. The system is used for machine room power supply fault accurate positioning and rapid processing, and the maintenance efficiency and the system reliability are improved.

An autonomous vehicle can include multiple low voltage power domains. Each low voltage power domain can comprise a low voltage power distribution unit (LVPDU). An LVPDU can include a failsafe switch that can selectively couple or de-couple the low voltage power domain from a shared backup low voltage power source, which can be configured to concurrently supply backup power multiple low voltage power domains or LVPDUs. A first LVPDU of a first low voltage power domain can generate a control signal to control the failsafe switch of a second LVPDU of the second low voltage power domain to disconnect the second low voltage power domain from the shared low voltage backup power source, and vice versa.

Embodiments for a battery pack for an electric marine vessel are described herein. In a particular embodiment, a battery pack for an electric marine vessel comprises a waterproof chassis, a high voltage battery comprising a plurality of battery cells disposed within the chassis, positive and negative high voltage connectors disposed on a front flange of the chassis, a manual disconnect connector disposed on the front flange of the chassis, and a signals connector disposed on the front flange of the chassis, the signals connector configured for signal communication with at least a power distribution unit and a vessel control unit. A battery management system disposed within the chassis and coupled to the signals connector comprises a battery management controller, a plurality of relays operable by the battery management controller, and a plurality of sensors electrically coupled to the battery management controller.

The invention discloses a high-voltage power distribution unit supporting switching of double battery packs for an electric forklift and a control method, and belongs to the technical field of new energy power systems of electric forklifts. The high-voltage power distribution unit supports the electric forklift to be provided with one or two battery packs, each battery pack corresponds to one high-voltage power distribution unit, and the power distribution units are integrally installed in a battery box body. The power distribution unit comprises core loops and components such as a discharging loop, a charging loop, a pre-charging loop and a heating loop, through cooperative control of the BMS and the VCU, discharging, charging and low-temperature heating of a single battery pack can be achieved, non-inductive switching (automatic switching of a master pack and a slave pack and no influence on operation) of double battery packs can also be achieved, and the double battery packs are not limited by capacity and can be independently charged and replaced. According to the electric forklift, the problems that a traditional electric forklift cannot give consideration to rapid charging and rapid battery replacement at the same time, and the compatibility of batteries with different capacities is poor are solved, and the use flexibility, operation continuity and environmental adaptability of the electric forklift are improved.

The invention relates to the technical field of power distribution system protection, in particular to a high-safety energy storage system and a fault detection method thereof, the system comprises a measurement and control center, an insulation monitoring device, a bidirectional DC-DC converter and an integrated DC power distribution unit, the insulation monitoring device is connected with a DC power distribution bus, and the ground insulation state of the bus is monitored in real time; the input end of the bidirectional DC-DC converter is connected with the storage battery pack, and the output end is connected with the DC power distribution bus through the integrated DC power distribution unit to construct an electric energy distribution path. The integrated direct current power distribution unit comprises a circuit breaker, two voltage detection modules and two current detection modules, the first voltage detection module is connected with the direct current power distribution bus and the measurement and control center, the second voltage detection module is connected with the circuit breaker and the measurement and control center, and the circuit breaker is connected with the direct current power distribution bus. And the two current detection modules are connected in series between the output end of the bidirectional DC-DC converter and the circuit breaker to form a current detection loop. According to the invention, through multi-level real-time monitoring and centralized control, the safety and fault response capability of the system are significantly improved.

The invention discloses a wind-solar-storage integrated direct-current micro-grid device and a control method, and relates to the technical field of rural distributed energy. The device comprises a perovskite photovoltaic module array, a vertical axis fan set, a lithium iron phosphate energy storage module, a direct-current power distribution unit, an intelligent control module and a household direct-current terminal, each energy unit and a load are directly connected through a direct current bus, AC / DC conversion loss is reduced, the intelligent control module dynamically adjusts a wind-solar-storage cooperative operation strategy based on illumination, wind speed and electrical load data, and the functions of five-hour stable off-grid power supply and peak-valley arbitrage are achieved. The method adapts to a rural farm house roof resource concentration scene, solves the problems of high loss and poor off-grid stability of a traditional alternating current micro-grid, remarkably improves the energy utilization efficiency, reduces the electricity utilization cost of farmers, and can be widely applied to energy transformation projects in rural areas such as coastal areas.

The invention discloses an intelligent power supply system for an integrated energy cabinet of a communication base station, and the system comprises a power supply parameter collection module which obtains parameters such as an input voltage fluctuation sequence and multipath load current data; the power supply feature extraction module performs fusion analysis on the parameters to generate a power supply feature vector set; the decision space construction module presets a power supply strategy knowledge base and a feature vector set, and establishes a power supply decision space index structure; the power supply decision module matches the optimal power supply strategy combination and outputs a first power supply control instruction set; the power supply execution module drives the power distribution unit to execute load power supply switching and storage battery charging and discharging control. The system comprises an energy pool module, an integrated photovoltaic device, a commercial power device and the like to realize access and dynamic distribution; the anti-countercurrent control unit ensures the energy flow safety; the zero-loss switch array regulates and controls an electric energy path to improve the efficiency; the power supply execution module drives multi-power-supply switching, security isolation and path switching, supports commercial power peak clipping, light stacking and off-peak power utilization, and improves the power supply reliability and energy efficiency of the base station.

A Power Distribution Unit (PDU) includes a cover and a base. The cover has multiple fastener receptacles and a pair of indentations located along its outer edge. The base has an opening on a short side of the PDU for receiving a cable connector and a window on a long side of the PDU, the window being secured to a second cover. The long side is perpendicular to the short side.

Disclosed embodiments provide methods, systems, and computer program products for implementing enhanced phase power load balancing of a set of systems (e.g., the set of systems of a data center) using a subset of the systems. Disclosed embodiments extract phase currents of a three-phase power source of the set of systems, and determine, based on extracted phase currents for the set of systems, input phase power load balancing for the subset of the systems. Disclosed embodiments alter the current input phase power balancing of the subset, unbalancing the input phase power load for the subset of the systems to provide enhanced phase power load balancing of the set of systems. Altering the current input phase power balancing for the subset of the systems can be implemented by power shifting between power supply units (PSUs), phase rotations, or input phase switching of power distribution unit (PDU) switchable output ports.

This disclosure provides an X-ray imaging device and its power distribution unit and wireless power transmission device. The power distribution unit includes: a first rectifier circuit, a charging circuit, an energy storage module, and a first inverter circuit; the input terminals of both the first rectifier circuit and the charging circuit are connected to the external power grid; the output terminal of the first rectifier circuit is connected to the input terminal of the first inverter circuit, and the output terminal of the first inverter circuit is connected to the wireless power transmission device of the X-ray imaging device; the output terminal of the charging circuit is connected to one end of the energy storage module, and the other end of the energy storage module is connected to the input terminal of the first inverter circuit. In this disclosure, the power supply from the power grid and the power supply from the energy storage module are in parallel, which can reduce the imaging device's demand on the power grid capacity. Since the charging circuit only participates in the charging process of the energy storage module and does not participate in the discharging process of the energy storage module, it can realize simultaneous charging and discharging of the energy storage module, and there are no excessive requirements on the power level of the charging circuit, which can reduce the cost of the charging circuit.

The invention discloses a DC charging pile DC output control system, a charging method and a charging pile, the DC charging pile DC output control system comprises a charging module group, a plurality of charging distribution units PDU and a main controller, and the main controller communicates with the plurality of charging distribution units PDU and is used for controlling each group of charging modules to perform dynamic power distribution and switching control according to a preset charging mode. According to the technical scheme, on the basis of the full-matrix circuit and the semi-matrix circuit contained in each charging distribution unit PDU, switching can be carried out between the full-matrix mode and the semi-matrix mode, so that the method is not limited to a single power mode in a multi-gun load non-uniform scene, dynamic power compensation is achieved, and the power distribution efficiency is improved. Besides, in the charging pile system, an output direct current contactor is added, and an air switch node is connected in series in a control loop of the output direct current contactor to serve as a maintenance status bit, so that the utilization rate of the charging terminal can be remarkably improved, and the maintenance efficiency is improved on the basis of reducing the power failure range.

The invention discloses a vehicle power distribution method, device and equipment based on a centralized domain controller, and a storage medium. The method comprises the following steps: collecting multi-source vehicle power distribution associated data through a centralized domain controller; wherein the centralized domain controller is a vehicle part integrating a whole vehicle control unit, an intelligent power distribution unit, a communication gateway unit and a redundant power supply module into a single shell; performing fusion processing on the multi-source vehicle power distribution associated data to obtain target fusion data; generating a vehicle power distribution control instruction based on a pre-constructed load power supply priority rule, a preset software configuration rule and the target fusion data; and on-off states of a large-current power distribution module and a small-current intelligent power distribution module of the intelligent power distribution unit are controlled based on the vehicle power distribution control instruction so as to realize power supply of each load. The technical effects of improving the integration level and the control precision of the power distribution system and guaranteeing the power supply stability are achieved.

The invention relates to the technical field of data center computing power and electric power resource cooperative control, in particular to an electric power dynamic monitoring system based on a knowledge graph. Comprising a heterogeneous data spin mapping unit used for collecting current waveform data and voltage data of an intelligent power distribution unit; the topological coupling force field construction unit is used for acquiring physical topological data and logical topological data of the data center and generating a coupling strength matrix defining association weights among nodes; the dynamic potential energy evolution and gradient analysis unit is used for generating a potential energy gradient vector for indicating a regulation and control direction; the potential energy guiding regulation and control decoding unit is used for receiving the potential energy gradient vector; monitoring the modulus length of the potential energy gradient vector; and after the closed loop feedback logic and the hardware control signal are executed, the physical operation states of the intelligent power supply distribution unit and the server calculation unit are changed. According to the method, the mathematical abstraction ability and the quantization accuracy of the stability monitoring of the complex data center system are remarkably improved.

The present disclosure is directed to a rack power distribution unit (RPDU) that automatically and safely switches power to one or more receptacles. The RPDU includes one or more processors utilizing control algorithms that manage bistable relays so that in-rush current is minimized upon manual connection / disconnection of power to a load device. In particular, relay contact status (open / closed) is identified based on changes in RMS or peak voltage influenced by the load impedance. The RPDU is also configured to predict timings for voltage zero-crossing events. In this manner, and based on the determination of relay contact status and voltage zero-crossing prediction, open relay contacts are identified and safely closed at voltage zero-crossing.

Embodiments of the present disclosure provide a modular power supply (MPS) system and device providing an ability for all-in-one or most-in-one device configurations. In various embodiments, the available components include Direct Current (DC) to Alternating Current (AC) power supply, DC to DC power supply, AC to DC power supply, system health monitoring solutions, power distribution solutions, common, toolless interfaces and universal packaging and mounting. Embodiments include a control module, at least one power module, an inverter module, a power distribution unit module, a signal interface and a mechanical interface to facilitate use and operation of the device as an integrated unit.

The invention discloses a modularized intelligent power distribution cabinet and a method, and relates to the technical field of intelligent power grid power distribution cabinets. The intelligent power distribution cabinet comprises a power distribution cabinet main body used for an intelligent power grid, and further comprises a separation frame arranged in the power distribution cabinet main body and used for dividing the internal space of the power distribution cabinet main body into a power distribution area and an adjusting area, and the side part of the separation frame is provided with a temperature and humidity sensor used for monitoring the internal temperature and humidity of the power distribution area; the air exchange unit comprises an air inlet assembly and a cleaning assembly; the adjusting unit comprises a circulating assembly and an adsorption assembly. The system has the advantages that the temperature and humidity in the power distribution area can be monitored in real time during working, accurate control over the temperature and humidity in the power distribution area can be achieved in an external circulation heat dissipation and internal circulation dehumidification temperature control mode, and the service life of a power distribution unit in the power distribution area is prolonged; and meanwhile, automatic cleaning and regeneration of a ventilation grating opening and an activated carbon adsorption plate are achieved in the heat dissipation and dehumidification process, and the intelligent degree and the automation degree are higher.

The invention discloses a multi-energy complementary distributed comprehensive energy system and a method thereof, and relates to the technical field of energy management. Comprising a renewable energy power generation module, a fossil energy power generation module, an energy storage module, an energy conversion module, a user terminal and an intelligent control center. The renewable energy power generation module comprises a solar cell panel array and a wind generating set, and the renewable energy power generation module is intelligently regulated and controlled through the energy prediction and intelligent matching control system in combination with big data analysis and a machine learning algorithm. Through cooperation with an electric energy collection unit, a power distribution unit and an intelligent protection unit of the hybrid energy coupling module, maximum utilization of renewable energy is realized, overall power generation efficiency and energy utilization efficiency are improved, stability and reliability of the system are enhanced, diversified energy requirements of users are met, and meanwhile, the system has fault diagnosis and early warning functions. Safe and stable operation of the system is guaranteed.

This application provides a power distribution device, a charging device, an energy storage device, and a charging system. The power distribution device includes at least one power distribution unit, each power distribution unit including at least one power port, multiple load ports, at least one connection port, and a switch matrix. Each power port is used to connect to a power module in the charging device, and each load port is used to connect to a load. The switch matrix is ​​used to disconnect or connect any two of each power port, each load port, and each connection port. At least one power distribution unit of the power distribution device includes a first power distribution unit, and one connection port of the first power distribution unit is used to connect to the power distribution units of other charging devices. This application embodiment can flexibly adjust the output power of the load ports of the power distribution device to meet the charging power requirements of different loads.

The article is intended for use in a high voltage power distribution unit or motor of an electric vehicle.

The utility model belongs to the technical field of batteries, and discloses a power distribution system, a battery pack and electric equipment, the power distribution system comprises at least one power distribution unit, the power distribution unit comprises a shell assembly, at least one internal element and a heat conduction piece, and the internal element is arranged in the shell assembly; the heat conduction part is at least partially exposed out of the shell assembly and is in contact with at least one internal element, so that heat generated by the internal element during working is conducted to the outside of the shell assembly through the heat conduction part, heat dissipation and cooling of the internal element are achieved, and the internal temperature rise of the internal element and the whole shell assembly is prevented from being too high. At least part of the heat conduction piece is arranged outside the shell assembly, so that the situation that more space in the shell assembly is occupied can be avoided, and the effects of reducing the size of the whole battery pack and improving the capacity of the battery pack are achieved; moreover, the heat conduction member outside the housing assembly has a larger heat dissipation space, thereby facilitating the heat dissipation or conduction of the heat conduction member, improving the heat dissipation performance of the power distribution unit, and guaranteeing the safe and reliable operation of the power distribution unit.

Embodiments for a battery pack for an electric marine vessel are described herein. In a particular embodiment, a battery pack for an electric marine vessel comprises a waterproof chassis, a high voltage battery comprising a plurality of battery cells disposed within the chassis, positive and negative high voltage connectors disposed on a front flange of the chassis, a manual disconnect connector disposed on the front flange of the chassis, and a signals connector disposed on the front flange of the chassis, the signals connector configured for signal communication with at least a power distribution unit and a vessel control unit. A battery management system disposed within the chassis and coupled to the signals connector comprises a battery management controller, a plurality of relays operable by the battery management controller, and a plurality of sensors electrically coupled to the battery management controller.