26 results about "Charge recovery" patented technology

Disclosed in the present application are a method and apparatus for regulating the power of an offshore wind farm energy storage system on the basis of the state of charge. The method in the present application comprises: acquiring a power grid frequency and the state of charge of an offshore wind farm energy storage system, and on the basis of the power grid frequency and the state of charge, acquiring a power grid frequency deviation and a state-of-charge recovery demand, respectively; determining whether the power grid frequency deviation is within a preset power grid frequency dead band, if the power grid frequency deviation is within the power grid frequency dead band, in view of the power grid frequency deviation and the state-of-charge recovery demand, acquiring an inertia power regulation and control amount of the energy storage system by means of a fuzzy control algorithm combined with a preset adaptive inertia frequency control model, otherwise, in view of the power grid frequency deviation and the state-of-charge recovery demand, acquiring the inertia power regulation and control amount by means of the adaptive inertia frequency control model; and on the basis of the inertia power regulation and control amount, regulating and controlling the inertia power of the offshore wind farm energy storage system. By means of the present application, the level of refinement and accuracy of a regulation and control process for an energy storage system can be improved.

The invention relates to the technical field of wiring terminal boxes, in particular to an intelligent analysis type wiring terminal box and a control system thereof.The intelligent analysis type wiring terminal box comprises the intelligent analysis type wiring terminal box and the control system used for controlling the wiring terminal box, and the intelligent analysis type wiring terminal box comprises a box body and a transparent protective cover; the box body is composed of a first main body, a second main body and a third main body which are sequentially connected, the first main body is provided with a wiring communication assembly, the second main body is an insulation board, and the third main body is provided with a monitoring acquisition assembly; the control system comprises a sampling unit, a comparison unit, a processing unit, a communication unit, an acquisition terminal and an acquisition background, and all the units cooperate to realize data sampling, comparison, processing and transmission. According to the invention, the accuracy of the metering device can be guaranteed, and the working pressure of line loss index governance improvement and electric quantity and electricity charge recovery by basic units can be reduced, so that the purpose of intelligent monitoring of the metering device is achieved.

A charge recycling circuit in an integrated circuit DC-DC converter having two power MOSFETs, the charge recycling circuit comprising a single inductor and recycling MOSFET switches arranged and sized such that when one of the two power MOSFETs is turning off, its gate capacitance charges are transferred to the single inductor, stored in the single inductor and then transferred directly to the gate of the other power MOSFET to turn it on.

The invention discloses automobile part brazing leakage testing equipment, which is applied to the technical field of brazing leakage testing equipment, and is characterized in that the automobile part brazing leakage testing equipment comprises a testing seat; a clamping assembly used for synchronously clamping a plurality of to-be-tested parts is movably connected to the testing base based on the feeding and discharging conveying assembly, and a lower sealing base and an upper sealing base are fixedly connected to the testing station of the testing base in the vertical direction based on the guide pressing assembly. The lower sealing seat and the upper sealing seat form a sealing test cavity, the lower sealing seat is uniformly and fixedly connected with a plurality of sealing positioning assemblies, the upper sealing seat is fixedly provided with an inflation recovery assembly, and the sealing positioning assemblies are internally and fixedly connected with vacuum suction pipes and helium detection assemblies used for detecting helium; the method has the technical effects that the test efficiency is improved, and the test cost is reduced.

The invention provides a power-off recovery control method for a charging station, and relates to the technical field of charging pile control, the method is applied to a control end, and comprises the steps: obtaining a unique identifier corresponding to each charging pile in the charging station, and determining the identity of the charging pile as the control end based on the unique identifier; responding to power restoration of the charging station, and receiving a power-off restoration application; establishing a recovery charging queue based on the receiving sequence of the power-off recovery application; and based on the recovery charging queue, successively sending a recovery charging instruction so as to respectively instruct the control end or each controlled end to carry out charging recovery. According to the method and the device, the charging piles can perform charging recovery according to the recovery charging queue sequence, so that the problems of power grid tripping, even damage to power grid equipment or the charging piles and the like caused by overlarge instantaneous load due to simultaneous charging recovery when power supply is just recovered (at the moment, the voltage is insufficient and the power supply is not stable) in all the charging piles with charging interruption in the station are avoided.

The invention discloses an optical thin film rim charge recovery device which is characterized in that rim charges are monitored in real time through an annular laser sensor when the optical thin film rim charge recovery device is used, and when the rim charges cannot be detected, namely after a clamping assembly is started through an electric control box to automatically clamp the rim charges, the rim charges are pulled to a feeding port through a lifting assembly; rapid response and automatic recovery during rim charge breakage are achieved, manual intervention requirements are reduced, meanwhile, when a single side breaks down, due to the fact that a butt joint block and a driving block are detachably connected, an assembly plate and a guide block are detachably connected through an electromagnet and an adsorption disc, the electromagnet is controlled through an electric control box according to requirements, and when a feeding port on one side breaks down, the feeding port on the other side breaks down, the assembly plate and the guide block are not damaged. And offcut is temporarily transferred to the feeding port on the other side for collection, so that continuous and stable operation of the production line is guaranteed.

According to the intelligent film laminating machine control method and system provided by the invention, the defect phase coordinates are established through film edge period marks, the elongation is estimated and the defect backtracking time delay is corrected in combination with the difference of upstream and downstream odometer rollers, and accurate attribution of defects in a process section is realized. According to the system, an online micro-stripping module is arranged in a rim charge recovery channel, a stripping mean value P, a fluctuation coefficient CV and stripping work W are obtained in real time, an adhesion allowable domain Omega is constructed, and an adhesion margin S is calculated; and solving a parameter adjustment increment delta u by adopting tangential constraint under omega constraint, performing safe self-adaptive adjustment on actuators in a temperature zone, pressing pressure, linear speed and the like, and avoiding transboundary failure through continuous verification and a step-down backspacing mechanism. According to the scheme, the first piece passing rate and stability are improved, the defect rate of bubbles, wrinkles, delamination and the like is reduced, batch tracing and controlled updating are supported, and the method is suitable for a roll-to-roll film laminating production line.

The invention relates to the technical field of battery protection, and discloses a battery protection control circuit and a mobile power supply, the battery protection control circuit comprises a redundancy protection circuit; the first end of the redundancy protection circuit is electrically connected with the first end of the main protection circuit and the negative electrode of the battery pack; the battery pack is composed of a battery cell group comprising a plurality of battery cells; the second end of the redundancy protection circuit is electrically connected with the positive electrode of the battery cell group; the third end of the redundancy protection circuit is electrically connected with a middle sampling point of the battery cell group; the fourth end of the redundancy protection circuit is electrically connected with a voltage reference point; the fifth end of the redundancy protection circuit is grounded; when it is detected that the charging voltage of any battery cell is larger than the charging protection voltage, charging operation is stopped through the redundancy protection circuit; when it is detected that the battery pack meets the preset charging recovery condition, the charging operation is recovered. Therefore, by implementing the method, a recoverable, low-energy-loss, accurate and efficient protection function can be realized under the condition of overcharge test or protection loop failure.

The present application relates to the technical field of on-chip interconnection, and particularly relates to a voltage adjusting method and system applied to on-chip charge recovery interconnection lines, which comprises the following steps: calculating a first data activity difference caused by data in a current period when the data is transmitted on upper and lower channels of the interconnection line based on charge recovery; accumulating a second data activity difference caused by data in past several periods when the data is transmitted on the upper and lower channels of the interconnection line on the basis of the first data activity difference to obtain a total data activity difference; when the total data activity difference exceeds a first threshold, performing voltage compensation on an intermediate voltage of the upper and lower channels to stabilize the intermediate voltage, and the voltage compensation is performed simultaneously with charging and discharging of the intermediate voltage. By predicting the intermediate voltage fluctuation of the upper and lower channels of the interconnection line, and then performing early intervention and compensation before the intermediate voltage appears large deviation, the problem of voltage compensation lag in the traditional charge recovery interconnection line design is solved.

The application provides a kind of optical storage system energy storage device state of charge management method, it is related to optical storage system control technical field, solve the optical storage system with initiative support ability and through energy storage device control direct current bus voltage, energy storage device overcharge / overdischarge leads to state of charge out of limit, simple cut off energy storage easy to cause system instability problem.The technical scheme is: set energy storage state of charge safety range and hierarchical limit threshold, build upper and lower limit management strategy.Lower limit side according to state of charge dynamic adjustment active droop coefficient, when out of limit, utilize photovoltaic power small power charging recovery;Upper limit side cut off energy storage, switch photovoltaic control target to maintain direct current bus voltage stability, balance photovoltaic and net side power, guarantee energy storage safety and system stability.

The invention relates to the technical field of risk assessment, and provides a power consumer electricity charge recovery risk assessment method, device and system and a medium. According to the implementation scheme, through a pre-trained lightweight gradient boosting decision-making tree model, aggregation features of all first power consumers are predicted, and default probability values of all the first power consumers are obtained; determining each second power user based on the default probability value and the user type of each first power user; through a pre-trained time sequence fusion model, carrying out fusion prediction on the static electricity utilization characteristics and the dynamic electricity utilization characteristics of each second power user to obtain a default probability value of each second power user; and performing risk assessment on the to-be-assessed customer based on a preset risk assessment level, the default probability value of each first power user or the default probability value of each second power user to obtain a risk assessment level of the to-be-assessed customer. According to the embodiment of the invention, accurate and efficient evaluation of the electric charge recovery risk of the power consumer is realized.

The invention discloses a charging pile sudden stop reset control method and device, a program product and a storage medium, and relates to the technical field of charging control. By acquiring the working parameters in the time windows before and after the sudden stop signal and extracting the coupling incidence relation and the abnormal parameter characteristics among the working parameters, the fault root cause causing sudden stop and the risk level of the fault root cause can be accurately identified; a corresponding charging reset strategy is generated based on the identified risk level and the fault root cause, and potential safety hazards possibly brought by adopting a unified reset process are avoided; meanwhile, in the reset execution process, reset response parameters are collected in real time and safety verification is carried out, so that the reliability of the reset process is ensured; and finally, a corresponding charging recovery strategy is determined according to a safety verification result, differential processing of different sudden stop conditions is realized, and the safety of a charging pile resetting process is improved.

This application provides a charge recovery circuit, method, and display device. The circuit includes: a driving module; a parasitic capacitance module electrically connected to the driving module; an energy storage module electrically connected to the driving module; and a low-voltage circuit module electrically connected to the energy storage module. The driving module is configured to output charge to the parasitic capacitance module and control the connection between the parasitic capacitance module and the energy storage module. The parasitic capacitance module is configured to receive the charge output by the driving module. In response to the driving module activating the electrical connection between the parasitic capacitance module and the energy storage module, the driving module outputs charge to the energy storage module. The energy storage module is configured to store the charge output by the parasitic capacitance module and supply power to the low-voltage circuit module. Therefore, the circuit of this application realizes the recovery and utilization of residual charge.

The invention discloses a user electricity fee recovery risk assessment method and device, electronic equipment and a storage medium, and belongs to the field of risk early warning management. Calculating a first period self-break variable value corresponding to the historical electricity consumption of the user and a second period self-break variable value of the historical electricity consumption load of the user; according to the historical payment condition data, calculating a periodic state quantity value and historical credibility of historical payment of the user; and according to the first period self-break variable value, the second period self-break variable value, the period state variable value and the historical credibility, evaluating the user electric charge recovery risk to obtain a user electric charge recovery risk state corresponding to the user, and then performing corresponding electric charge recovery risk early warning according to the user electric charge recovery risk state. According to the invention, the problem that user electricity charge recovery risk assessment cannot be realized in the prior art can be solved.

The application provides a charge pump parasitic capacitance charge recovery circuit, a first switch group comprises phi 11, phi 12, phi 13, phi 14, a second switch group comprises phi 21, phi 22, phi 23, phi 24, a first unit circuit comprises a first capacitor Cfly1, the first capacitor Cfly1 is provided with C1P node and C1N node, C1P node is connected to input voltage VDD through phi 11 switch and is connected to output voltage VSP through phi 21 switch, C1N node is connected to ground through phi 13 switch and is connected to input voltage VDD through phi 23 switch, a second unit circuit comprises a second capacitor Cfly2, the second capacitor Cfly2 is provided with C2P node and C2N node, C2P node is connected to input voltage VDD through phi 22 switch and is connected to output voltage VSP through phi 12 switch, C2N node is connected to ground through phi 24 switch and is connected to input voltage VDD through phi 14 switch, and C1P node and C2P node are connected through phi 3 switch.The application has simple structure, is convenient to use and has extremely high value.

The utility model relates to the technical field of carton production, in particular to rim charge recovery equipment for carton production, which is provided with a scrap recovery mechanism with air exhaust and flow guide functions, and is matched with a paper scrap crushing mechanism, so that the size of a recovery terminal can be set to be larger, the replacement operation frequency is reduced, and the practicability is improved; comprising a fixed base, a supporting frame, a guide hopper, a paper scrap crusher, a guide pipe, a barrel cover, an outer barrel, an air outlet pipe, an air extracting pump, a first hinge and a collecting net barrel, the outer portion of the front side of the top end of the fixed base is connected with the bottom end of the supporting frame, the inner side of the top end of the supporting frame is connected with the outer side of the guide hopper, the top end of the guide hopper is communicated with the bottom end of the paper scrap crusher, and the lower portion of the guide hopper is communicated with the interior of the barrel cover through the guide pipe; the left middle side of the top end of the outer barrel is movably connected with the left middle side of the barrel cover through a first hinge, the collecting net barrel is detachably arranged in the outer barrel, the output end of the outer barrel is communicated with the inner side of the air outlet pipe, and the air pump is arranged on the air outlet pipe and fixed to the middle of the top end of the fixed base.

This invention discloses a collaborative fast frequency regulation control method for thermal power units and flywheel energy storage arrays. Addressing the problems existing in the prior art, this invention includes: real-time acquisition of grid frequency, AGC commands, thermal power unit operating parameters, and the state of charge of each flywheel; online evaluation of the thermal power unit's AGC response margin; decomposition of AGC power deviation into high-frequency and low-frequency components, and dynamic determination of the power allocation coefficient based on the real-time adjustable margin of the thermal power unit and the flywheel array state; optimization of power allocation within the flywheel array using priority call to appropriately charged units, over-limit protection, and equalization control strategies; construction of a three-layer multi-timescale collaborative architecture comprising millisecond-level flywheel autonomous primary frequency regulation, second-level joint AGC frequency regulation, and minute-level charge recovery; real-time monitoring of the thermal power regulation rate and dynamic compensation and correction through the flywheel; and establishment of a comprehensive frequency regulation performance evaluation index for adaptive optimization. This invention can effectively improve the frequency regulation response speed, accuracy, and economy of the thermal power-flywheel combined system.

The application discloses a full-integrated coupled oscillation DCDC converter with uniform phase interleaving, comprising a multiphase converter, an error amplifier and a multiphase control logic module; the multiphase converter is composed of a plurality of single-phase converters arranged in cascade, and the load output end of each single-phase converter is connected in parallel with the negative-phase input end of the error amplifier to output a voltage signal to the error amplifier; the error amplifier generates a control signal according to the output voltage of the multiphase converter and a reference voltage and outputs the control signal to the multiphase control logic module; the multiphase control logic module generates a corresponding pulse width modulation signal according to the control signal, which is input as an enable signal of the single-phase converter to control the activation number of the single-phase converter, so that the phases of the output voltage of the multiphase converter are uniformly interleaved. On the basis of retaining the grid charge recycling characteristic, the application realizes inherent even-phase interleaving, balanced current of each phase and balanced current of each inductor, and has a fast starting scheme, thereby improving the load transient performance.

The invention discloses an electric energy meter flexible cost control realization method and system, and relates to the data processing related technical field, and the method comprises the steps: analyzing user historical payment data, determining a cost control grade, and obtaining initial power consumption data and power consumption behavior data through an electric energy meter based on a dual-channel protection circuit; performing measurement scene correction and correlation compensation on the electricity consumption to obtain a third electricity consumption data set; and the arrearage risk is evaluated by integrating the real-time payment state of the user and the third power consumption data set, and a dual-channel protection control circuit of the electric energy meter is driven by combining the power consumption safety risk value, so that flexible cost control management with linkage of safety and arrearage is carried out. The technical problems that in the prior art, a cost control strategy neglects user credit and behavior differences, risk identification dimensions are incomplete, and control means are lack of elasticity and adaptability, so that power consumption management decision precision and power consumption safety are poor are solved, and the purposes of realizing elastic user power consumption management and improving user experience are achieved. The electricity charge recovery safety and the power supply service satisfaction degree are improved; and the electricity utilization safety is ensured.

The utility model discloses a plastic coiled material rim charge recycling system, and relates to the field of rim charge recycling equipment, the plastic coiled material rim charge recycling system comprises a workbench and a cabinet body, the workbench is provided with a discharging mechanism used for discharging a film, the workbench is fixedly provided with a box body, the box body is symmetrically provided with two connecting frames, and the connecting frames are connected with the cabinet body. The workbench and the cabinet body are each provided with a recycling mechanism used for winding the thin film offcut, and each recycling mechanism comprises two installation bases fixedly installed on the top of the workbench. According to the leftover material collecting and winding device, cut leftover materials can sequentially penetrate through a guide rod, two guide frames and a guide ring and are connected with a winding shaft, then a third motor is controlled to be started, the output end of the third motor can drive the winding shaft to rotate, and then the cut leftover materials can be collected and wound; and therefore, workers do not need to recycle and roll the paper, the labor intensity of the workers is reduced, and the working efficiency of recycling and rolling is improved.

The utility model discloses a membrane material rim charge recovery device, which relates to the technical field of rim charge recovery, and particularly comprises a conveying frame, the conveying frame is formed by combining a plurality of longitudinal rods and a plurality of transverse rods, and a supporting plate is fixedly mounted on the surface of the transverse rod at the top of the conveying frame. A crushing assembly is fixedly installed on a supporting plate on the surface of the conveying frame through bolts and comprises a rack fixedly installed on the supporting plate on the surface of the conveying frame, the interior of the rack is of a hollow structure, and a rectangular groove is formed in the edge of the surface of one side of the rack; a protective cover is fixedly installed on the side, close to the rectangular groove, of the rack, the suction strength is improved through recycling of the two suction pipes by means of the recycling assembly, the recycling efficiency is improved, the suction pipes suck and recycle the surface and the interior of the roller, recycled offcut can enter the connecting pipes along the suction pipes, and the recycling efficiency is improved. And the leftover materials enter the collecting box from the discharging pipe through the air blower, so that the problem that manual cleaning is needed is solved.

The invention belongs to the technical field of power semiconductor device testing, and particularly relates to a power device full-dynamic characteristic multi-parameter in-situ characterization circuit and a testing method. The device comprises a high-voltage source circuit, a stress control module, a conduction characteristic network, a threshold voltage test module, a to-be-tested device and a control signal generation module. The high-voltage source circuit is used for providing bias voltage; the stress control module is used for controlling the stress applying time; the conduction characteristic network is used for representing dynamic on-resistance and transient switching characteristics; the threshold voltage test module is used for extracting dynamic threshold voltage in situ; and the control signal generation module is used for generating a driving signal for controlling the working time sequence of the circuit. According to the invention, continuous and synchronous monitoring of multiple physical parameters on the same platform can be realized, charge recovery errors caused by ex-situ testing are eliminated, and accurate data support is provided for revealing a reliability evolution mechanism and system-level application evaluation of wide bandgap semiconductor devices such as gallium nitride.

A method performed by a memory device for power efficient charge recycling is provided. The method comprises, during the first operation, causing the target block to provide electrical energy to charge the storage block to a first voltage. The method further comprises discharging the word line coupled to the target block. The method further comprises, during the second operation, determining if the first voltage is greater than or equal to a storage block voltage threshold. The method further comprises, in accordance with a determination that the first voltage is greater than or equal to the storage block voltage threshold, causing the storage block to provide stored electrical energy to charge the target block to a second voltage.

The utility model discloses a rim charge recovery device for aluminum-plastic panel production, which comprises a first base and a crushing box, the top end of the first base is provided with the crushing box, the outside of the first base below the crushing box is provided with a discharge pipe, the outer wall of the crushing box is provided with a conveying box, the inside of the conveying box is provided with a conveyor, and the conveyor is provided with a discharge pipe. And a feeding cover is installed at the top end of the crushing box, and a conveying elevator is arranged at the position, on one side of the feeding cover, of the exterior of the first base. According to the offcut recycling device for aluminum-plastic panel production, multi-position feeding of the offcut recycling device for aluminum-plastic panel production is achieved, offcuts with large granularity can be conveniently smashed in a multi-stage mode, offcuts with small granularity are prevented from being smashed again, the offcuts can be conveniently conveyed in a split-flow mode, the finer smashing effect is achieved, the labor intensity of workers is reduced, and the production efficiency is improved. And blockage at a single discharging position is avoided.

The utility model relates to an atomization equipment charging and sucking automatic switching circuit with sequential control, comprising a smoking detection module S1 used for outputting a smoking signal; the input end of the digital logic module M1 is connected with the output end of the smoking detection module S1, and the output end of the digital logic module M1 is connected with grid electrodes of the charging power tube Q1 and the smoking power tube Q2; the input power supply VCC is connected with the source electrode of the charging power tube Q1; the drain electrode of the charging power tube Q1 is connected with the source electrode of the smoking power tube Q2 and the positive electrode of the lithium battery BAT; the drain electrode of the smoking power tube Q2 is connected with one end of a resistance wire R1, and the other end of the resistance wire R1 and the negative electrode of the lithium battery are grounded together. The beneficial effects of the utility model are that time interval can be controlled to avoid instantaneous current impact, charging recovery is delayed to prevent equipment abnormity caused by repeated start and stop, and stability is improved.

The application discloses a DC-DC converter connected with an inductor and a load detection method and chip thereof, and the detection method comprises the following steps: in a first switch tube opening stage, a first signal used for representing the end of a Miller platform corresponding to the first switch tube opening stage is acquired; in the rising process of a node voltage at a first connection node, a second signal used for representing that the node voltage reaches a preset value is acquired; and based on the time sequence between the first signal and the second signal, a representation signal used for judging the load state of the DC-DC converter is acquired. The DC-DC converter connected with the inductor and the load detection method and chip thereof have the advantages that the first signal corresponding to the end of the Miller platform in the switch tube opening stage and the second signal corresponding to the rising of the node voltage at the first connection node to the preset value are utilized, and the physical characteristics of the reverse charge recovery of the parasitic diode of the switch tube are combined, so that the second signal leads or lags the first signal, and thus the detection of the load state can be realized.