191results about How to "Improve power supply efficiency" patented technology

The invention discloses a power supply circuit, a server and a time sequence control method, relates to the field of server power supply, and solves the problem that the demand of loads such as a GPU (Graphics Processing Unit) and a CPU (Central Processing Unit) on short-time peak power is increasingly increased at present. According to the power supply circuit, the long-time power supply module and the peak value compensation module are introduced to work cooperatively, the long-time power supply module provides stable energy conversion, and the long-term stable power supply requirement of a load is met; and the peak compensation module dynamically adjusts power supply according to the load demand and the working state of the long-time power supply module, provides or recovers energy, and meets the instantaneous peak power demand, thereby avoiding the defect that the peak current cannot meet the requirement or needs a large-scale redundancy and high-cost capacitor row in the traditional scheme, and improving the reliability of the system. According to the design, power supply stability can be guaranteed, system cost and size are reduced, and overall power supply efficiency and response capability are improved.

The invention relates to the technical field of emergency mobile power supplies, and discloses a control method of an emergency mobile power supply and the emergency mobile power supply, and the method comprises the steps: carrying out the operation parameter data collection and adaptive wavelet transform noise reduction of the emergency mobile power supply, and obtaining a standardized feature matrix; performing hierarchical feature extraction through an extended convolutional capsule network to obtain global power supply features and local power supply features; establishing a deep deterministic strategy network for power supply state scoring to obtain a state scoring result; inputting historical data in the experience playback pool into an action generation module, performing optimization iteration on the control action to obtain a first control strategy, and recording state transition data in a control process; and carrying out power loss compensation control analysis to obtain compensation control quantity, superposing the compensation control quantity to obtain a second control strategy, carrying out PWM (Pulse Width Modulation), and generating a charging and discharging control signal. According to the invention, accurate power regulation and energy storage unit control are realized, and stable operation of the system is ensured.

The invention discloses an intelligent power distribution energy-saving power supply system and method, relates to the technical field of power systems, and solves the technical problems that the user experience is poor due to the lack of consideration of the user participation degree in the prior art, and the efficiency of intelligent power distribution energy-saving power supply is low due to the fact that the electric quantity generated by renewable energy cannot meet the user demand. Obtaining predicted electricity consumption of the plurality of areas through an electric power prediction model; calculating a regional power utilization priority coefficient according to the regional data; the power station state is adjusted according to the predicted electricity consumption and the regional electricity consumption priority coefficient, the user participation degree is considered, whether the generating capacity meets the electricity consumption requirement or not is predicted, regulation and control are conducted in advance, the situation of insufficient power supply is reduced, and the user experience and the power supply efficiency are improved.

The invention relates to the technical field of power management, in particular to a UPS parallel management method, device and system and a computer storage medium. When it is detected that a power grid power source is in an abnormal state, a UPS cluster formed by connecting multiple UPSs in parallel is started so that the UPS cluster can supply power to a target object, performance parameters of each UPS in the UPS cluster and the number of the UPSs in the UPS cluster are determined, and after the target load size of the target object is predicted based on the historical load size of the target object, the power grid power source is determined to be in the abnormal state. And according to the performance parameter of each UPS and the number of the UPSs, the target load is distributed to each UPS in the UPS cluster, so that each UPS in the UPS cluster supplies power to the target object, and the power supply efficiency of the UPSs is improved.

The invention relates to the technical field of intelligent power supply, and particularly discloses an intelligent power supply circuit system and method. And a data processing technology based on deep learning is introduced to carry out semantic representation and fine-grained cross-modal fusion on the power supply voltage and the load state information of each load, so that fine-grained association understanding between the power supply voltage and the load state is realized, and a suitable voltage conversion mode is intelligently recommended on the basis of the fine-grained association understanding. Through the mode, the power supply voltage can be dynamically adjusted to meet specific requirements of different loads, so that the power supply efficiency of the power supply circuit and the cruising ability of the intelligent terminal are further improved.

The invention relates to the technical field of power distribution network regulation and control, in particular to a power distribution network intelligent regulation and control system for high and low voltage power transmission, comprising a global optimization layer module which is responsible for global regulation and control of the whole power distribution network and comprises a global data acquisition unit, a global data processing unit and a global control unit; the regional optimization layer module is used for performing intra-regional optimization regulation and control on the plurality of divided regions according to geographic distribution and load characteristics of the power distribution network, and the regional optimization layer module comprises a plurality of regional data acquisition units, a regional data processing unit and a regional control unit; and the adaptive learning module adaptively optimizes global and regional regulation and control strategies through a machine learning algorithm according to historical data and real-time data in operation of the power distribution network, and the adaptive learning module comprises a data training unit and a model updating unit. According to the invention, the multi-level regulation and control mode can effectively reduce the power loss in the region, and improves the overall operation efficiency of the power grid.

The invention discloses a flexible load distribution and power supply optimization method and system, and relates to the technical field of electric power, and the method comprises the steps: collecting a load demand in an electricity utilization environment and the power supply capability of power supply equipment; carrying out first classification, and dividing the load into a multi-stage load set; based on the load demand and the power supply capability of the power supply equipment, solving a load distribution problem by using a dynamic programming algorithm; monitoring the operation state of a power utilization environment in real time, and adjusting a power supply strategy through a genetic algorithm; according to the invention, efficient matching of the load and the power supply resource is realized, the electric energy utilization rate and the power supply stability are remarkably improved, the energy waste and the unit power supply cost are reduced, the method is suitable for various complex power utilization environments, and the power supply mode is more intelligent and diversified.

The invention is suitable for the technical field of electric power detection, and provides an electric power detection method and device, and the method comprises the steps: obtaining first historical electric power data and second historical electric power data of a plurality of electric energy meters in a previous detection period and a current detection period; extracting a regular sudden change value and a time interval corresponding to the regular sudden change value from the second historical power data; and when the current sub-cycle is in the abrupt change time interval, the system dynamically adjusts the initial prediction power data according to the regular abrupt change value. And the finally obtained target prediction power data is used for planning and scheduling power generation equipment, so that the power system can perform intelligent management according to the power consumption condition of the user, thereby optimizing the power resource configuration and improving the power supply efficiency. In conclusion, according to the scheme, through accurate data analysis and a dynamic adjustment mechanism, the accuracy of power consumption prediction of the power consumer is remarkably improved, and the stability of a power system and the reliability of power supply are ensured.

The invention discloses a data information processing method and device, a storage medium and electronic equipment. The method relates to the technical field of data processing, the technical field of electronics and other related technical fields, and comprises the following steps: classifying power grid net load sets of user clusters in a target power grid in a historical time period to obtain a plurality of power grid net load groups; performing feature extraction according to the power grid net load in each power grid net load group to obtain an elastic demand feature corresponding to each power grid net load group; and predicting the elastic demand coefficient of the target power grid on the target prediction day according to the elastic demand feature corresponding to each power grid net load group to obtain a target prediction result. Through the method and the device, the problem that the accuracy of determining the elastic demand coefficient is relatively low due to the fact that the demand response potential (namely, the elastic demand coefficient) of the power grid is evaluated manually based on the user electric meter data in related technologies is solved.

The invention discloses a rose picking robot and belongs to the field of agricultural automatic picking equipment. The device is composed of a crawler, a collecting device, a picking device, an unmanned aerial vehicle and an autonomous endurance device. According to the device, an unmanned aerial vehicle is used for collecting rose data and driving a picking mechanism to pick roses, an end effector on the picking mechanism is a cutting container with eight adjustable cutting blades, opening and closing of the cutting blades are controlled through a motor to achieve swallowing of the roses and cutting of pedicels, a draught fan is installed on a crawler, and the unmanned aerial vehicle drives the picking mechanism to pick the roses. According to the rose cutting unmanned aerial vehicle, the rotating blades in the draught fan are driven by the motor to rotate, the blades rotate to generate airflow, roses in the cutting container are sucked into the storage box on the crawler, the load of the unmanned aerial vehicle is reduced in the process, and the cruising ability of the unmanned aerial vehicle is improved; the unmanned aerial vehicle can automatically return to be charged when the electric quantity is insufficient, and the crash risk caused by electric quantity exhaustion is reduced.

The invention discloses a multi-microgrid system reliability evaluation method and system considering random correlation, and the method comprises the steps: obtaining a plurality of operation variables of a microgrid group in a preset region, carrying out the random correlation analysis of the plurality of operation variables, building an output model of the microgrid group based on an analysis result, and carrying out the evaluation of the reliability of the microgrid group. The output model comprises a photovoltaic output model and a wind energy output model; based on the load prediction model of the preset area, obtaining a load demand prediction value in a future preset time; generating a scheduling strategy of the microgrid group based on the load demand predicted value and the output model; and performing power supply configuration of the preset area according to the scheduling strategy, obtaining real-time power consumption data, and calculating the scheduling strategy reliability of the microgrid group based on the real-time power consumption data. On the basis of considering the difference of the power supply reliability requirements of the loads in the micro-grid group, modeling is carried out on the energy distribution strategy in the micro-grid group, the power supply potential of the micro-grid group is fully excavated, and a foundation is laid for making corresponding operation strategies and optimization decisions.

The invention discloses a remote control method, device, system, equipment and product for a power converter, and relates to the technical field of power control. The method is executed by control equipment in a remote control system of the power converter, and the control parameters of the power converter are optimized based on an optimization algorithm by applying current sampling values of a plurality of electrical parameters from an electrical parameter acquisition circuit and a pre-trained multi-dimensional characteristic data and power factor mapping model in real time. The search result is transmitted to the control signal generation circuit in real time through the communication circuit, so that the signal generation circuit generates a control signal for the power converter according to the search result and transmits the control signal; therefore, the purpose of remotely controlling the power converter in real time so as to maximize the power factor of the preceding-stage PFC circuit all the time can be achieved, and a calculation module does not need to be configured for the power converter.

The utility model relates to the technical field of battery storage, and discloses a storage device for lithium batteries, which comprises a shell and a fixed shell fixed at the bottom of the inner wall of the shell, and further comprises a movable shell sliding at the top of the fixed shell, the lithium battery is placed in the movable shell and protected through the protective pad, the lithium battery is prevented from being damaged in the moving process, when the lithium battery needs to be charged, the movable plate is controlled by the pressing rod to move downwards and is matched with the limiting mechanism and the positioning mechanism, a charging wire is attached to an interface of the lithium battery, and the lithium battery is charged. According to the lithium battery storage device, the lithium battery can be charged conveniently, the charging efficiency is improved, the lithium battery is cooled through the cooling mechanism, the situation that the lithium battery is damaged due to the too high temperature is avoided, the storage effect of the lithium battery is further improved, and the problems that when an existing storage device is used, charging of the lithium battery is inconvenient, and the lithium battery cannot be cooled are solved.

The invention discloses a power distribution network rapid feedback maintenance system and a method thereof, belongs to the technical field of power system fault detection and processing, and solves the problems that in an existing power distribution monitoring system, processing is not accurate when a detected fault is fed back, environmental factor interference during field detection is not considered, effective judgment measures do not exist, and the detection efficiency is high. And the problem of inaccurate maintenance work feedback is solved. The method mainly comprises the following steps: acquiring monitored current parameters and meteorological parameters, and performing data preprocessing; performing time point matching on the uploaded data, dividing time periods according to a preset time threshold, and calculating an average value of parameter information in the same time period; setting a current value range of each monitoring terminal; comparing the current value detected in real time with a preset current value range; corresponding treatment measures are taken; and maintaining. According to the invention, by obtaining the current parameters and the meteorological parameters, the integrity and accuracy of the data are ensured, the comprehensive evaluation of the fault condition is facilitated, and the reliability and accuracy of subsequent analysis are improved.

The utility model provides a high energy density electrical core for energy storage, the electrical core comprises a shell and a cap, the shell and the cap form the specification shape of the electrical core, a sealed space is formed in the shell and filled with a roll core, the roll core is composed of a positive electrode base material, a negative electrode base material and a diaphragm, the positive electrode base material and the negative electrode base material are blocked by a diaphragm and are wound into a reel shape, the end part of the winding core is wrapped with a high-temperature insulating tape, the two ends of the winding core are also provided with a positive electrode confluence disc and a negative electrode confluence disc which are arranged corresponding to the polarities of the two ends of the shell, the polarity is led out from the winding core, and the winding core is respectively connected with the positive electrode confluence disc and the negative electrode confluence disc in a multi-point manner. The winding core structure is adopted, certain pressure is increased in the winding process, the density of the winding core is increased, the unit volume density is increased, in addition, the conduction circulation amount is increased by arranging the convergence disc, the consumption of internal resistance is reduced, the occupied space of the winding core in the shell is increased, and the stored energy is increased.

The embodiment of the invention discloses a power management method and device, a terminal and a computer readable storage medium. The cruising ability of the terminal can be improved. The method comprises the following steps: determining a target output voltage according to at least one load voltage corresponding to at least one electricity load; determining a target load current range corresponding to the target output voltage based on a preset corresponding relation between the output voltage and the load current range; adjusting the highest output efficiency of the power supply circuit to a target load current range by adjusting the circuit configuration of the power supply circuit; the power supply circuit is used for supplying power to at least one electric load.

A semiconductor structure and a method for forming the same are disclosed. The semiconductor structure includes: a protrusion on a substrate discretely located in a device region; a channel structure on the protrusion; an isolation layer on the substrate surrounding the protrusion and exposing the channel structure; a buried power rail penetrating the isolation layer and a portion of the substrate thickness, the buried power rail being parallel and spaced apart from the protrusion; a gate structure on the isolation layer and spanning the channel structure; source / drain doped regions located in the channel structures on both sides of the gate structure; an interlayer dielectric layer on the isolation layer on the side of the gate structure and covering the source / drain doped regions; and a source / drain interconnect layer penetrating the source / drain doped regions and the interlayer dielectric layer on top of the buried power rail, the source / drain interconnect layer contacting the source / drain doped regions, and the bottom of the source / drain interconnect layer contacting the top surface of the buried power rail. This eliminates the need for a contact plug (Via) to achieve electrical connection between the source / drain interconnect layer and the buried power rail, thus optimizing the electrical connection performance between the source / drain interconnect layer and the buried power rail.

The invention relates to a new energy commercial vehicle braking energy recycling and electricity supplementing method and device.The method comprises the steps that when a braking signal of a target vehicle is obtained, the braking strength of the target vehicle is determined according to the braking signal, and the braking strength is used for representing the strength of needed braking force; according to a preset mapping relation table of the braking strength and vehicle braking strategies, a target braking strategy corresponding to the braking strength is determined, and the target braking strategy comprises the braking output proportion of a hydraulic braking system and the braking output proportion of a motor regenerative braking system; and controlling the target vehicle to execute the target braking strategy. By adopting the method, the braking strength is determined according to the braking signal of the vehicle, and the braking output of the hydraulic braking system and the braking output of the motor regenerative braking system are respectively controlled according to the braking strength, so that the possibility of excessive intervention of hydraulic braking force is reduced; and the recovery efficiency of the vehicle braking energy and the charging efficiency of the storage battery are improved.

The invention discloses a large-current bus plugging device and a bridging method for a mobile energy storage electrical box, and relates to the field of cable plugging, and the bus plugging device comprises a plugging control end which is used for abutting an energy storage electrical box, obtaining power supply and operation data access collection authority after the energy storage electrical box is connected, and controlling the start and stop of each functional module and functional unit; the data acquisition unit is used for acquiring image data and power supply data of a bus power supply network and an access point in real time, and periodically packaging and submitting a data set; the exception analysis module is used for carrying out threshold comparison on the submitted data set and a preset standard data set, identifying exception factors exceeding a threshold and outputting an exception factor set; through analysis based on power supply demands and bridging capability score data, the score analysis of constructors, tools and environments ensures that electrical bridging is performed under appropriate conditions, the overall efficiency and safety are improved, the availability of multiple bus contacts is intelligently evaluated, and the optimal selection is recommended.

The invention discloses a self-adaptive power supply system, and relates to the technical field of power supply, and the system comprises a power supply connection unit which is used for connecting a power supply and outputting the voltage of the power supply; the first voltage conversion unit is used for performing voltage conversion on the voltage output by the power supply connection unit and supplying power to the control unit and the voltage identification unit; the second voltage conversion unit is used for converting the second voltage output by the power supply connection unit into the first voltage; the voltage identification unit is used for identifying the voltage output by the power supply connection unit and outputting a signal to the control unit; the control unit is used for controlling the switch unit to output the first voltage when the power supply connecting unit outputs the first voltage; when the power connection unit outputs the second voltage, the switch unit is controlled to output the second voltage and the first voltage converted by the second voltage conversion unit. According to the power supply system, one power supply mainboard can support different power supplies, the needed auxiliary power supply is provided for the PCIe card, resources are saved, and the power supply efficiency is improved.

The application discloses a kind of automobile emergency starting power supply based on lithium iron phosphate battery, it is related to automobile emergency technical field, including automobile power module, for with automobile power connection;Emergency power supply module is used for power failure detection and emergency power supply control;First battery module, with the second battery module parallel power supply, and when voltage detection module detects low voltage, with the second battery module series power supply;Voltage detection module is used for low voltage detection to first battery module;Temperature detection module is used for low temperature detection when emergency power supply;Trigger control module is used for controlling first battery module and second battery module series when low temperature low voltage;High voltage control module is used for high voltage detection and control trigger control module stop working.The application based on lithium iron phosphate battery automobile emergency starting power supply can control the connection mode of lithium iron phosphate battery pack when low temperature low voltage, to meet the emergency power supply demand, improve power supply efficiency.

The present invention provides a portable and movable power generation system, which belongs to the technical field of mobile power supply equipment, and comprises a movable base, wherein a storage battery is arranged at the bottom of the movable base; a power generation cabin is arranged on the movable base, and a power distribution cabin and a tool storage cabin are arranged on the power generation cabin; a generator is arranged in the power generation cabin, and the generator is movable by the driving action of a first power device, and the storage battery provides electric energy for the first power device; a power distribution operating table is arranged in the power distribution cabin, and the power distribution operating table is used to output the electric energy generated by the power generation cabin to the outside world; and a plurality of storage rooms isolated from each other are arranged in the tool storage cabin. The present invention ensures convenient power supply in occasions with low power supply importance level or small load, has high working efficiency, reduces manual labor intensity, reduces costs, improves power supply efficiency, ensures power demand, improves emergency efficiency, and reduces energy consumption.

The utility model discloses an uninterruptible power supply device, which mainly comprises an external direct-current power supply, a standby power supply, a direct-current bus and a DCDC power supply module, and the DC / DC power supply module is directly hung on the direct-current bus so as to realize high-efficiency and stable direct-current power supply. According to the device, the power conversion process is simplified, the power supply efficiency is improved, and the equipment size and cost are reduced.

The utility model relates to the technical field of intelligent gas meters, in particular to an anti-reverse-connection circuit of a gas meter and the gas meter. According to the circuit, each power supply in a plurality of power supplies is provided with a corresponding switch circuit and a control circuit, and the control circuit of each power supply is connected with the corresponding switch circuit; each power supply is connected with the load through the corresponding switching circuit and supplies power to the load; the control circuit controls the corresponding switching circuit to be switched on according to a first signal of a corresponding current power supply, the control circuit is further used for controlling the corresponding switching circuit to be switched off according to a second signal of the current power supply, the direction of the first signal is from the current power supply to the load, and the direction of the second signal is opposite to the direction of the first signal; the control circuit controls the corresponding switching circuit to be cut off according to a third signal of the other power supply, and the third signal is generated through the voltage difference between the other power supply and the current power supply. According to the circuit, the situation that the circuit board in the intelligent gas meter is damaged due to reverse connection of the battery is avoided.

The utility model discloses a solar power generation voltage regulation circuit, which relates to the technical field of solar energy regulation, and comprises a photovoltaic power generation module used for photoelectric conversion; the voltage stabilization adjusting module is used for adjusting the output voltage according to the magnitude of the feedback signal; the differential detection module is used for performing voltage division detection and differential processing on the electric energy output by the photovoltaic power generation module; the feedback module is used for providing a feedback signal; the output module is used for being connected with electric equipment; and the output detection module is used for detecting the connection state of the output module and the electric equipment, and when the output module is not connected with the electric equipment, the signal control module adjusts the voltage value of the feedback signal and controls the energy storage control module to carry out energy storage work. The solar power generation voltage regulating circuit can provide voltage stabilization for electric equipment, improves power supply safety and power supply efficiency, can timely regulate charging current of the energy storage control module according to power generation conditions of the photovoltaic power generation module, and improves charging efficiency.

The embodiments of the present application disclose a charging pile power supply method, device, electronic device and medium. The method includes: in the process of each DC charging gun of the charging pile charging the vehicle, for the target DC charging gun, detecting the power supply efficiency of the power supply module that supplies power to the DC charging gun; determining the target power module whose power supply efficiency is less than the preset efficiency threshold from the power supply module; and ordering the target power module to stop supplying power to the target DC charging gun currently powered, and adding an AC charging gun to supplement the charging of the vehicle. The above scheme solves the problem of reduced power supply efficiency of the power module when the power demand of some vehicles decreases. By switching the target power module to other DC charging guns for power supply, the power supply efficiency is effectively improved, and the AC charging gun is added for supplementary charging to achieve AC and DC parallel charging, which retains the advantage of fast charging of the DC charging gun, and can use the AC charging gun as a supplement for a small part of the missing power to meet the power demand of the vehicle.

This application provides a vehicle power supply method, electronic device, and vehicle, relating to the field of vehicle control technology. It is applied to a vehicle power supply system and includes a high-voltage power supply and a first power conversion module and a second power conversion module connected in parallel. The method includes: in response to receiving a power-on command, adjusting the initial voltage of the first power conversion module to be greater than the initial voltage of the second power conversion module, so that the high-voltage power supply supplies power to the load device only through the first power conversion module; comparing the current power of the load device with the current power of the power supply system, and adjusting the power supply status of the first and second power conversion modules based on the comparison result. The vehicle power supply method provided by this application can improve the adaptability and power supply stability of the power supply system.

The utility model relates to the technical field of LED lamp control, and discloses a current sharing control circuit of a lamp controller and a lighting system, the current sharing control circuit comprises a control circuit, a first battery boost circuit and a second battery boost circuit, the control circuit controls the output voltage of each battery booster circuit according to the first input current from the first battery booster circuit and the second input current from the second battery booster circuit, so that the two input currents are in a preset current sharing state, and the output voltage is provided for the lamp body. Therefore, by providing the parallel connection mode of the battery booster circuits, the current sharing control of each battery booster circuit can be realized, the power supply efficiency can be improved, the independent control of the power supply voltage of each battery booster circuit can be realized, the independent work of double batteries can be supported, the working stability of the circuit can be improved, and the service life of the circuit can be prolonged. And the service lives of the batteries are basically consistent through current sharing control of the double batteries.

The utility model relates to the technical field of seismic exploration power supply equipment, in particular to a seismic exploration power supply device based on solar energy, and aims to solve the problems that an existing solar charging controller panel is not provided with a compass, the accuracy of the construction direction cannot be guaranteed, and the angle of the existing solar charging controller panel cannot be adjusted generally, so that the construction cost is low. A compass and a storage battery are fixed to a base, a bottom short arm of a solar panel is hinged to a lower connecting block connected to the lower portion of the base, and a T-shaped blocking handle is used for being inserted into different positioning holes, so that the solar panel is located at different angles; a middle beam is arranged on the rear portion of the solar panel, each solar auxiliary panel is connected with the middle beam through a plurality of springs, the upper portion of the base is connected with an upper connecting block, the top of the upper connecting block is rotationally connected with a pressing block, and the two sides of the upper connecting block are each connected with a limiting block. According to the scheme, the power supply requirement in the seismic exploration process is met, and installation and debugging are simpler.

The invention relates to the technical field of power distribution devices, in particular to an energy storage power station side energy storage electric quantity dispatching and distributing device which comprises a U-shaped base, a power supply input touch panel, a guarantee distribution touch panel and a secondary distribution touch panel, and the power supply input touch panel, the guarantee distribution touch panel and the secondary distribution touch panel are fixed to the U-shaped base in an embedded mode. A movable T-shaped table is arranged below the right-angle split plate, and an insulating action piece is installed in the U-shaped base in a limiting mode and moves up and down in the U-shaped base. When the current reaches a certain value, the dispatching distribution device can actively disconnect the electric energy output of the secondary distribution touch panel end, so that the electric quantity is intensively distributed to the guarantee distribution touch panel, the dispatching distribution is realized, and the device is low in cost and high in integration degree.