126 results about "Energy transfer" patented technology

The invention discloses a furnace flue gas waste heat graded cycle power generation method and system, which combines multi-stage purification and temperature division utilization, and comprises the following steps: firstly, carrying out component analysis and desulfurization purification treatment on furnace flue gas, establishing a layered purification chain, and identifying an acid dew point area; a safe flue gas purification area is formed through material adaptability evaluation and corrosion control measures; then carrying out temperature gradient analysis and temperature field reconstruction on the purified flue gas, establishing a heat grade distribution mechanism and forming a gradient heat energy flow to realize complementary utilization of heat sources at different temperature sections; a water vapor main cycle and organic working medium auxiliary cycle cascade power generation system is constructed, and the magnetic suspension bearing technology is integrated to improve the auxiliary cycle power generation efficiency; establishing a heat balance parameter and optimizing a circulation network through heat matching degree monitoring and mismatch detection; and finally, an energy transfer matrix is constructed, distributed power generation configuration is formed through generator coupling analysis and rotating speed coordination control, stable electric energy output is completed, and efficient utilization of waste heat is achieved.

The invention provides a dual-time-scale optimization scheduling system and method considering diesel storage insurance supply and new energy consumption, and the method comprises the steps: collecting a plurality of data in real time, and outputting a historical data set and real-time monitoring data to a scheduling module; based on the wind and light output predicted values and load predicted values of the day before dispatching and the dispatching day, a multi-target optimization model is constructed, an energy storage charging and discharging plan, a diesel generator start-stop plan and an electric vehicle dispatching instruction are output, and cross-day energy transfer is achieved; on the basis of a model prediction control principle, 15 minutes are taken as a scheduling step length, a day-ahead scheduling plan is corrected in a rolling manner in combination with ultra-short-term source load prediction data, and prediction deviation is stabilized; controlling charging and discharging switching of the energy storage system, dynamic adjustment of the charging power of the electric vehicle and the operation state of the charging pile; through cooperative operation of day-ahead pre-scheduling and intra-day rolling optimization, source-load balance and low-carbon operation are realized. According to the scheduling system, long-period energy planning and short-period dynamic correction are both considered, and the self-consistency and low-carbon property of the off-grid charging station are improved.

Disclosed is a hydrogen fuel thermal conditioning system 1, having a fuel supply system 100 and an energy transfer system 200. The fuel supply system comprises a tank 23 configured to store hydrogen f

The invention discloses a ground-air cooperative coupling multi-element energy storage system and an operation method, and relates to the technical field of energy storage. Through a three-dimensional structure of overground electrochemistry and underground thermodynamics and intelligent cooperative control, functional complementation of short-time frequency modulation and long-time energy transfer is realized; the deployment problem is solved through underground space, and the space utilization rate is increased; a complete energy gradient utilization chain from waste heat recovery, grade improvement and power generation to waste heat heating is constructed, and the comprehensive energy efficiency of the system is remarkably improved; and through a self-adaptive coordination control strategy, the safety, stability and economy of the system under multi-mode operation are ensured.

The present application relates to geothermal resource development and evaluation technical field, especially to the balanced water and heat type geothermal resource dynamic evaluation method, including: collecting the flow, temperature and pressure data of the produced fluid and the recharging fluid, and carrying out time synchronization, outlier elimination and time series reconstruction processing on the data to form a continuous operation data set; jointly analyzing the time series change of the operation data set, extracting flow response characteristic quantity and heat exchange response characteristic quantity, and dividing the underground heat reservoir into flow and heat storage units according to the similarity of the characteristic quantity; on the scale of the flow and heat storage unit, respectively establishing a flow structure model and a heat exchange structure model, and coupling them, through a unified state variable to describe the corresponding relationship between the fluid migration behavior and the energy transfer behavior, a flow and heat storage dynamic evaluation model is constructed; based on the model, the change of the state variable of each flow and heat storage unit with time during the recharging operation process is calculated, and the dynamic evaluation data is obtained.

The invention discloses an energy path optimization method for a multi-medium hybrid energy storage unit, relates to the technical field of energy path optimization, is used for solving the problems of unbalanced energy paths and insufficient system circulation activity, and aims to optimize the energy path by detecting the last energy charging and releasing time of each energy storage unit, calculating the energy retention time and marking the energy storage unit. Acquiring charge-discharge cycle times and historical charge-discharge data of the marked energy storage unit, judging whether an energy transfer mechanism is entered or not, screening a target energy storage unit according to the medium type of the marked energy storage unit when the energy transfer mechanism is entered, analyzing discharge current and heat exchange flow of the target energy storage unit to determine an energy receiving characteristic, whether the retention energy of the marked energy storage unit is transferred to the target energy storage unit or not is judged according to the energy receiving characteristics, the problem of efficiency reduction caused by energy retention of part of the energy storage units in long-term operation of the multi-medium energy storage unit is solved, and balance and circulation activation of an energy path are achieved.

The invention discloses a building comprehensive management control method and device and a medium, and belongs to the technical field of building automation control, and the method comprises the steps: building a dual-medium coupling model between an air medium and a building structure medium, and carrying out the parameterization; establishing a heat flux balance equation based on a parameterization result; building operation data and environment data are collected and processed; the air medium enthalpy difference change rate and the building structure body temperature change rate are calculated and substituted into the heat flux balance equation, the real-time heat flux difference is obtained, and a coupling state vector is generated; and inputting the coupling state vector into a dynamic balance optimization control equation to execute iterative solution, obtaining a control variable, and generating a control signal to adjust a building operation state. According to the method, an energy transfer rule is accurately described through double-medium coupling modeling, a heat flux balance equation is established to realize dynamic balance control, control variables are divided into air side and building structure body side adjustment components to realize multi-system collaborative optimization, and the control precision and the energy-saving effect are improved.

Described herein are systems and methods for harvesting energy from water movement to mechanically power desalination devices and other systems, such as irrigation systems. For example, a distillation system based on mechanical energy may include an energy harvesting system configured to obtain mechanical energy from water movement, an energy transfer mechanism coupled to the energy harvesting system to transfer the obtained mechanical energy to a distillation apparatus, and the distillation apparatus having a vacuum chamber and a vacuum mechanism driven only by the mechanical energy provided by the energy transfer mechanism to create a vacuum in the vacuum chamber in order to lower an amount of energy needed for distillation of the fluid to occur. The distilled water may then be used for irrigation, consumption, and other needs.

The invention relates to the technical field of energy storage power supplies, and mainly provides a voltage equalization circuit and an energy storage system, the circuit comprises a driving module, an overvoltage detection module and a CLLC module, the overvoltage detection module and the CLLC module are respectively connected with the driving module, and the overvoltage detection module and the CLLC module are respectively connected with a first bus capacitor and a second bus capacitor. When energy stored in the first bus capacitor and the second bus capacitor rises, in order to avoid the overvoltage risk, the overvoltage detection module detects the first bus voltage and the second bus voltage respectively, and when the voltage difference value between the first bus voltage and the second bus voltage is larger than a voltage threshold value, it is determined that the voltage of the first bus capacitor and the voltage of the second bus capacitor are too high. At the moment, the overvoltage detection module outputs a first control signal to the driving module, so that the driving module drives the CLLC module to start working based on the first control signal, and then the first bus capacitor and the second bus capacitor are controlled to carry out energy transfer, so that the first bus voltage and the second bus voltage are balanced, and the overvoltage condition is avoided.

In some implementations, an energy transfer system includes a housing. The energy transfer system includes a robotic system that includes an end effector for enabling energy transfer, the robotic system being movable between an interior of the housing and an external environment. The energy transfer system includes an energy transfer dispenser system configured to output energy, the energy transfer dispenser system being located in the external environment. The energy transfer system includes one or more energy transfer cables coupled to the end effector. The energy transfer system includes an energy transfer outlet system mounted in the interior of the housing, the energy transfer outlet system enabling a connection between the one or more energy transfer cables and the energy transfer dispenser system.

This invention relates to the field of ship energy conservation and emission reduction technology, and particularly to a low-carbon emission carbon dioxide transport vessel and its control method. A low-carbon emission carbon dioxide transport vessel includes an LNG supply unit, a water glycol circulation unit, a carbon dioxide capture unit, a carbon dioxide storage unit, and a dual-fuel main engine. The LNG supply unit includes an LNG storage tank, a submersible pump, an LNG heat exchanger, a buffer tank, and a main gas supply valve. The carbon dioxide capture unit includes a spray assembly, an absorption and desorption assembly, and a compression liquefaction assembly. The carbon dioxide storage unit includes a carbon dioxide storage tank and a BOG regulating valve. The water glycol circulation unit serves as a cold energy transfer medium, enabling the coupling of LNG cold energy with the carbon capture system. The advantages of this low-carbon emission carbon dioxide transport vessel and its control method are that it reduces the space occupied on the vessel, lowers the vessel's weight, reduces processing costs, and lowers processing energy consumption.

A method of monitoring heating of a hermetic package of an implanted transcutaneous energy transfer system (TETS) coil, the method includes monitoring a power transfer between the implanted TETS coil and an external TETS coil; detecting an amount of power lost during the power transfer; determining if the amount of power lost during the power transfer is above a first predetermined threshold; if the power lost is above the first predetermined threshold, determining if a misalignment between the implanted TETS coil and the external TETS coil is greater than a predetermined distance; and if the misalignment is greater than the predetermined distance, generating an alert to align the external TETS coil with the implanted TETS coil.

The invention discloses a CFD (Computational Fluid Dynamics)-based simulation analysis method for flow and evaporation characteristics of a falling film of a microstructure vertical pipe. According to the method, a geometric model is firstly constructed, grid local encryption and independence verification are carried out, then a control equation set containing continuity, momentum, energy and component transportation is constructed, an interface phase change model based on Rankine-Hugoniot jump conditions is particularly introduced, mass and energy transfer of a gas-liquid interface is accurately calculated through a user-defined function, and the gas-liquid interface phase change control method based on the Rankine-Hugoniot jump condition is obtained. And finally analyzing the film forming characteristic, flow field distribution and evaporation performance of the liquid film through post-treatment. According to the method, the physical mechanism of the microstructure induced secondary flow and the reconstructed thermal boundary layer can be analyzed, the heat transfer enhancement effect of different microstructures can be quantitatively evaluated, and the problem that a traditional empirical formula cannot predict the microstructure enhancement mechanism is effectively solved; and a low-cost and high-efficiency virtual experiment platform is provided for the optimal design of the high-performance vertical falling film evaporator.

The application discloses an energy path optimization method for a multi-medium mixed energy storage unit, relates to the technical field of energy path optimization, and is used for solving the problems of unbalanced energy path and insufficient system cycle activity. The last energy charging and discharging time of each energy storage unit is detected, the energy retention duration is calculated and the energy storage unit is marked, the charging and discharging cycle number and historical charging and discharging data of the marked energy storage unit are acquired, it is judged whether to enter an energy transfer storage mechanism, when the energy transfer storage mechanism is entered, the target energy storage unit is selected according to the medium type of the marked energy storage unit, the discharge current and heat exchange flow of the target energy storage unit are analyzed to determine the energy receiving characteristics, and it is judged whether to transfer the retained energy of the marked energy storage unit to the target energy storage unit according to the energy receiving characteristics. The efficiency decline problem caused by the energy retention of part of the energy storage units in the long-term operation of the multi-medium energy storage unit is solved, and the balance of the energy path and the cycle activation are realized.

The invention relates to a rotating assembly for a rotor (1), comprising: - a rotor shaft (3) for rotationally fixed connection to a rotor body (2) of the rotor (1), - a secondary-side coupling device (13) for inductive coupling with a primary-side coupling device forming an inductive energy transfer device for energizing rotor windings, which has a secondary winding (14) permeable by a primary-side magnetic field and electronics (15) for rectifying the alternating current induced in the secondary winding (14) by the primary-side magnetic field, wherein the rotor shaft (3) is designed as a hollow shaft through which at least one cooling fluid flows, and the rotating assembly comprises a thermally conductive holding device (17) for holding the secondary-side coupling device (13), wherein the holding device (17) is arranged at least partially within the hollow shaft, so that, for active cooling of the secondary-side coupling device (13), at least the electronics (15) are arranged in a flow path of the at least one cooling fluid.and wherein the holding device (17) is designed to passively cool the secondary-side coupling device (13) even in the absence of at least one cooling fluid by dissipating the waste heat from the secondary-side coupling device (13) to the hollow shaft, and is mechanically connected for this purpose to an inner side (9) of a wall (4) of the hollow shaft.

The invention discloses a multi-well coordination balance type oil pumping unit energy-saving method for coal bed gas extraction. The method comprises the steps that the stroke frequency of each oil pumping unit in a well site is obtained; the oil pumping units with the same stroke frequency are divided into the same large group; collecting the power of a motor of each oil pumping unit in each large group; performing intra-group power balance, and dividing each large group into two small groups A and B; phase adjustment: enabling the phase difference of motors of the oil pumping units in the group A and the group B to be 180 degrees; and the oil pumping units in the well site are subjected to grouped operation according to the large groups after phase adjustment, energy transfer between the two small groups is carried out according to the working states of the oil pumping units in the A small group and the B small group in each large group, and energy-saving operation of the oil pumping units in the well site is achieved. The method has the remarkable effects that the energy-saving operation of a plurality of oil pumping units in a well field is realized, and compared with the prior art, the method does not need to carry out data acquisition for many times, and is smaller in data processing amount and simple and efficient in control process.

The present disclosure provides a transcutaneous energy transfer system (TETS), having an implantable receiving coil in communication with an implantable controller and a hermetically sealed package encased by the implantable receiving coil. The hermetically sealed package including a plurality of tuning capacitors, at least one temperature sensor, scavenging circuitry configured to scavenge power from the plurality of tuning capacitors, and a temperature measuring circuit in communication with the at least one temperature sensor and the scavenging circuitry. The at least one temperature sensor being configured to measure a temperature of the hermetically sealed package and the temperature measuring circuit being configured to transmit the measured temperature to the implantable controller.

The invention discloses a heat pump device for drying malt, relates to the field of drying heat pumps, solves the problems of lower energy utilization efficiency and higher production cost when the existing heat pump device for drying malt is used, and comprises a base, a germination box, a drying box, a three-stage heat pump mechanism and an auxiliary mechanism, the three-stage heat pump mechanism comprises a fixing device cylinder, a first shell, a second shell, a third shell, a separation layer, a condenser, an evaporator and a conveying part, the three-stage heat pump mechanism is used for synchronously performing multi-stage heating and refrigeration operation on fluid, and heat is carried to a required position through the conveying part to perform low-temperature bud control on the germination box; high-temperature drying is carried out on the drying box, the energy use efficiency is improved, the energy transfer efficiency between airflow and a conveying part pipeline is improved while auxiliary accelerated conveying is carried out on air through the auxiliary mechanism, heat generated and dissipated by equipment is fully utilized, energy waste generated in the heat conveying and discharging process is reduced, and the production cost is reduced.

The invention relates to a device for opening and / or closing a leaf of a revolving door, comprising a drive unit (12) comprising a first control unit (41) with a first communication element (42), at least a first sensor device (30) arranged on one side of the leaf (24), and a second control unit (51) associated with the first sensor device (30) with a second communication element (52) configured to transmit sensor signals to the first communication element (42).The device is characterized in that an energy transfer unit (44) is provided in a fixed position relative to the drive unit (12), an energy conversion element (54) and an energy storage element (56) are provided, which are associated with the first sensor device (30), wherein in at least one predetermined position of the wing (24) the energy conversion element (54) interacts with the energy transfer unit (44) to transfer energy and charge the energy storage element (56), and the first and second communication elements (42, 52) are configured to transmit the sensor signals wirelessly. The invention also relates to a method for operating a door wing of a revolving door, as well as a first assembly and a second assembly.

The utility model relates to the field of air-conditioning systems, in particular to an air-conditioning water circulation system and a hydraulic center thereof. The hydraulic center comprises a shell, an energy storage water tank arranged in the shell, and a first water return connector, a first water outlet connector, a second water return connector and a second water outlet connector which are arranged on the side wall of the shell; the first water return connector and the second water outlet connector are both communicated with the energy storage water tank, a water pump is arranged on a pipeline of the energy storage water tank and the second water outlet connector, and a straight-through pipeline communicated with the first water outlet connector and the second water return connector is constructed in the shell. The scheme has the advantages that the structure is simplified, the energy transfer efficiency is improved, the system performance is improved, the occupied space is reduced, and installation and maintenance are convenient.

The invention relates to a vehicle energy transfer method, and specifically discloses a method for a vehicle (500) including a main power unit (PPU) and an energy storage system (ESS). The vehicle is configurable in different modes of operation, including a default mode (501), a ready mode (505) and an energy transfer mode (508), and the vehicle, when configured in the energy transfer mode, is adapted to transfer energy (580) from the PPU and / or from the ESS to a device (530) external to the vehicle. The method comprises: obtaining (503) an indication that the energy transfer mode is about to be activated; activating (504) the preparation mode in response to the acquired indication; causing (506) the PPU to provide power during the preparation mode to charge the ESS; and performing (507) the indicated activation on the energy transfer mode after the preparation mode. A method of centralized control of multiple vehicles is also disclosed. A corresponding computer system, vehicle, computer program product, and non-transitory computer readable storage medium are also disclosed.

In some implementations, an energy transfer system includes a housing. The energy transfer system includes a robotic system that includes one or more components for enabling energy transfer. The energy transfer system includes a slide system configured to move the robotic system between an interior of the housing and an external environment. The slide system includes a slider body mounted to a floor of the housing. The slide system includes a mounting base movably connected to the slider body, a base of the robotic system being mounted to the mounting base.

Contactless energy transfer device (1), comprising: a transmitter (2); and a receiver (3) which is configured to receive electrical energy from the transmitter (2) in a contactless manner, where the transmitter (2) has: a transmitting coil (14) which is set up to supply electrical energy to the receiver (3), a power supply circuit (10) which is set up to supply alternating current energy to the transmitting coil (14) with an adjustable switching frequency and an adjustable voltage, a current sensing circuit (16) which is set up to measure a current through the transmitting coil (14) and to determine a measured value of the current, a control circuit (19) which is set up to control the switching frequency and the voltage of the alternating current energy which is supplied to the transmitting coil (14) by the power supply circuit (10), and a first communication device (17) that is set up to communicate with the receiver (3), where the receiver (3) has: a resonant circuit (20) comprising a receiving coil (21) configured to receive electrical energy from the transmitter (2) and a resonant capacitor (22) configured to resonate with the receiving coil (21) in response to electrical energy from the transmitter (2), a rectifier circuit (24) which is set up to rectify electrical energy output by the resonant circuit (20), a short-circuit circuit (30) which is configured to switch between short-circuiting and opening the resonant circuit (20), a voltage detection circuit (28) which is set up to measure an output voltage of an electrical energy output by the resonant circuit (20) and to determine a measured value of the output voltage, a second communication device (31) which is set up to communicate with the transmitter (2), and a determination circuit (29) configured to determine whether the measured output voltage is within a predetermined permissible voltage range, and to cause the short-circuiting circuit (30) to short-circuit the resonant circuit (20), and to cause the second communication device (31) to transmit determination information indicating that the contactless power transfer device (1) is not performing a constant voltage output operation in which the output voltage from the rectifier circuit (24) is a constant voltage, even if a resistance of a load circuit (27) connected to the rectifier circuit (24) changes when the measured output voltage is outside the predetermined permissible voltage range, and wherein the control circuit (19) in the transmitter (2) detects a switching frequency of the alternating current energy in response to the determination information received by the receiver (3) through the first communication device (17), which indicates that the contactless energy transfer device (1) is not performing a constant voltage output operation, at which the contactless energy transfer device (1) performs the constant voltage output operation according to the measured current.

The utility model discloses a blast furnace damping-down gas total recovery system adopting a gas injection common method, which comprises a gathering pipeline, a first connecting end and a second connecting end, wherein the gathering pipeline is provided with a plurality of diffusion pipelines and damping-down ejectors, and the first connecting end and the second connecting end are arranged in parallel; one end of the external pipeline is connected with a clean gas pipe network, and the other end of the external pipeline is connected with the damping down ejector; the first dry processing pipeline is connected with the first connecting end; and the second dry processing pipeline is connected with the second connecting end. Through three core modules of cross-blast furnace gas source sharing, ejector negative pressure extraction and parallel dry method treatment, and in combination with nitrogen purging and redundant pipeline design, full-process safe recovery of damping-down gas is realized. Through energy transfer of the adjacent blast furnaces, the problem of gas source interruption in the prior art is solved, meanwhile, the cost is reduced through old design and modular layout, and finally the purposes of zero emission and high recovery rate are achieved.

The invention discloses a stepped graded explosive filling method for roadway tunneling, which comprises the following steps: before blasting construction, according to the material parameter difference and the detonation velocity difference of adjacent charging sections in a stepped charging structure, measuring the reflection intensity and the energy transfer sequence of blast waves in blast holes one by one, and establishing an energy propagation trajectory diagram of each blast hole; and a boundary reflection response spectrogram is generated at the final position of the energy propagation trajectory. By constructing an energy propagation track and a coupling parameter scale chain and accurately regulating and controlling a charging structure and an energy release process, layered energy transfer and time sequence avoidance are realized, energy turn-back and advanced detonation are eliminated, vibration and overexcavation risks are remarkably reduced, the blasting efficiency, safety and construction controllability are improved, and a stable and adjustable energy balance closed loop is formed. According to the method, the tunneling crushing efficiency, the construction controllability and the field safety margin can be improved at the same time, and a quantifiable feedback basis is provided for closed-loop monitoring correction and engineering popularization.

The invention discloses an inductive energy storage type pulse power supply and a control method, and belongs to the field of power pulse power supplies. The energy storage module comprises a plurality of inductance energy storage units which are connected in parallel, an inductor in each inductance energy storage unit is used for storing energy, and the countercurrent capacitors are used for generating countercurrent pulses to turn off charging thyristors in the inductance energy storage units; a first fly-wheel diode, which enables the counter current pulse to flow through the first fly-wheel diode to turn off the charging thyristor when the charging thyristor in each inductance energy storage unit is turned off; and when the residual energy of the primary power supply is discharged, the residual energy is transferred to a load through the energy transfer thyristor. According to the invention, the consistency of the turn-off path is realized when the charging thyristor is turned off by the counter-current pulse, the load discharge current is improved, the voltage stress borne by the thyristor when the thyristor is turned off is reduced, and the capacitance and counter-current voltage of the counter-current capacitor are further reduced.

The application provides a kind of fluid elbow vibration reduction and noise reduction device based on magnetic linkage energy transfer, comprising first magnetic linkage device and second magnetic linkage device respectively located at the inlet and outlet of the elbow, and transmission mechanism connecting the first magnetic linkage device and the second magnetic linkage device; the first magnetic linkage device rotates with the flow of fluid working substance, the rotation of the first magnetic linkage device drives the second magnetic linkage device to rotate through the transmission mechanism, and the second magnetic linkage device pressurizes and speeds up the fluid working substance flowing through the second magnetic linkage device by rotating. The application converts part of the kinetic energy of the fluid working substance on the inlet side of the elbow into mechanical energy through the first magnetic linkage device and transmits it to the second magnetic linkage device to reduce the impact and flow-induced vibration caused by the radiation noise when the fluid working substance flows through the elbow. The second magnetic linkage device can pressurize and speed up the decelerated fluid working substance to restore the normal flow rate and pressure of the fluid working substance.

The present application relates to the technical field of machine learning, in particular to a kind of city electric vehicle time-sharing charging implicit carbon emission accounting method.The meteorological characteristics are fused with map fixed-point coordinate alignment, node basis vector is generated;Based on the cross-zone contact electric quantity and network frame power flow state, directed acyclic network is constructed, node basis vector is mapped and tracked along the graph topology path, and carbon intensity base is output;Combining node load parameter with external environment parameter, obtain network loss compensation value, superimposed to carbon intensity base and verified by regional carbon emission allocation, generate time-sharing carbon emission matrix;Time-sharing carbon emission matrix is packaged with multi-element power output parameter as source network carbon coupling tensor and dimension reduction aggregation, and the basic carbon emission equivalent parameter and power source correction electric quantity parameter are obtained by inversion, to generate carbon emission result.The present application constructs a coherent logical closed loop in three dimensions of time series, spatial grid and physical flow direction, avoids the phenomenon that measured value deviates from physical energy transfer process.

Disclosed are an organic light emitting device and a display device using the same in which a light emitting layer includes a host and a plurality of dopants. In the light emitting layer, energy is transferred from a host and other dopants to one dopant by energy transfer system, thus it is possible to increase luminous efficacy of a single color and to increase lifetime of emission.