32 results about "Energy depletion" patented technology

This invention relates to the field of factory environmental control technology, and discloses a distributed micro-orifice jet temperature control system and its control method for factory environments. The system includes a central unit, a main air supply duct, branch hoses, workstation-level electromagnetic regulating valves, female quick-connect fittings with leak-proof check valves, and terminal equipment with male quick-connect fittings. The terminal equipment is equipped with a hollow column composed of an outer and inner tube, a telescopic locking mechanism, and low-voltage cables with a helical spring-like extension structure. It also includes an AI controller, an ambient temperature sensor, a body surface temperature sensor, a personnel presence sensor, and a pulse width modulation generator. This invention uses leak-proof check valves to block airflow in vacant workstations to avoid energy loss, utilizes the helical spring-like extension structure to prevent breakage of low-voltage cables, and uses the AI ​​controller to adjust the flow cross-sectional area of ​​the workstation-level electromagnetic regulating valves based on multi-sensor parameters to achieve safe flow interruption and protect personnel at the workstations.

The utility model relates to the technical field of plug -in device, especially the wire terminal of preventing loosening and increasing contact area, plug -in sleeve subassembly and connecting device, the utility model discloses wire terminal is equipped with two clamps that keep apart in the one end of the body, and the upper end of clamp is equipped with the wavy bending area, and at least has two inner bending parts, so that the contact area of clamp and the contact area of the plug pin is increased from the original two points to at least two points or more, not only increase contact area, reduce contact resistance, reduce energy loss, and the wavy design can better adapt to the plug pin of different specifications and shapes, improve the versatility and compatibility of plug -in device.

The application relates to the technical field of energy management, and particularly discloses an integrated energy management system of a light storage building based on edge computing, which comprises a data acquisition module, which is used for collecting inverter operation state data, current sensor operation state data and light data in the energy management system in real time through edge computing. The operation state of the inverter can be analyzed by combining the data collected in the data acquisition module, and whether the operation state of the inverter is abnormal can be analyzed. Then, the performance of the inverter can be evaluated in real time by combining the real-time collected energy storage system data, and whether the performance change of the inverter will cause additional energy loss and reduce the power generation efficiency can be further analyzed. Then, whether the inverter optimization operation is needed is decided based on the analysis result, that is, the inverter can be optimized to avoid the occurrence of the condition of reducing energy loss, so that the power generation efficiency is improved and the energy utilization is maximized.

This invention relates to the field of frequency regulation technology at the grid connection point of wind power converters, providing an adaptive regulation method and system for the frequency of wind power converters at the grid connection point. By dynamically capturing transient signals in the instantaneous values ​​of the three-phase voltage and current at the grid connection point (PCC) and quantifying their disturbance intensity and type characteristics, the virtual inertia and damping coefficient can be adaptively adjusted to generate an active power command that precisely matches the actual disturbances in the power grid. This refined regulation enables the wind power converter to provide highly differentiated frequency support for different disturbances, significantly enhancing the frequency stability of the power grid, while effectively suppressing unnecessary power fluctuations and energy losses, thus improving the economy and reliability of system operation.

A method and system for multi-market collaborative optimization of independent energy storage in the electricity market is proposed. This method acquires the statistical distribution characteristics, peak-valley structure characteristics, and extreme event characteristics of daily historical electricity price sequences, and clusters them to obtain typical days. Each typical day is divided into normal days and risk days. At the bottom layer, based on the operational data of each energy storage unit on risk days, the constraints of intraday decision parameters are adjusted to meet the constraints of safe energy storage operation. At the top layer, using the operational data of each energy storage unit on normal days, and aiming at the optimal market economic objective, the baseline values ​​of intraday decision parameters for each energy storage unit are determined under the constraints of the adjusted intraday decision parameters. At the bottom layer, based on the operational data of each energy storage unit on normal days and the baseline values ​​of intraday decision parameters, the baseline values ​​of intraday decision parameters for each energy storage unit are optimized to maximize energy storage operating efficiency and minimize energy loss, thereby obtaining a profit-maximizing control strategy under multi-market collaboration to achieve executable monthly and annual scheduling for the project.

A method and system for multi-market collaborative optimization of independent energy storage in the electricity market is proposed. This method acquires the statistical distribution characteristics, peak-valley structure characteristics, and extreme event characteristics of daily historical electricity price sequences, and clusters them to obtain typical days. Each typical day is divided into normal days and risk days. At the bottom layer, based on the operational data of each energy storage unit on risk days, the constraints of intraday decision parameters are adjusted to meet the constraints of safe energy storage operation. At the top layer, using the operational data of each energy storage unit on normal days, and aiming at the optimal market economic objective, the baseline values ​​of intraday decision parameters for each energy storage unit are determined under the constraints of the adjusted intraday decision parameters. At the bottom layer, based on the operational data of each energy storage unit on normal days and the baseline values ​​of intraday decision parameters, the baseline values ​​of intraday decision parameters for each energy storage unit are optimized to maximize energy storage operating efficiency and minimize energy loss, thereby obtaining a profit-maximizing control strategy under multi-market collaboration to achieve executable monthly and annual scheduling for the project.

This application relates to a method and apparatus for energy-saving charging of a vehicle power battery. The method involves acquiring the current operating parameters of a wireless charging system for charging the power battery and determining at least one control reference factor for the wireless charging system. Based on the at least one control reference factor, a correction amount is determined for a corresponding target operating parameter in the current operating parameters. The correction amount is used to correct the current operating parameters to obtain the actual operating parameters of the wireless charging system, and the wireless charging system is controlled to charge the power battery according to the actual operating parameters. This application can achieve adaptive adjustment of the operating parameters of the wireless charging system by determining the control reference factor, calculating the correction amount, and correcting the operating parameters. This effectively improves the system's energy transmission efficiency, reduces energy loss and electromagnetic interference, while protecting battery health and extending the service life of the power battery.

The utility model provides a self-powered intelligent water meter based on electromagnetic power generation. The self-powered intelligent water meter comprises a first built-in cavity, a second built-in cavity, a water inlet and a water outlet, the first built-in cavity and the second built-in cavity are connected through a bolt, the water inlet is communicated with the first built-in cavity, and the water outlet is communicated with the second built-in cavity. According to the utility model, the electric signal generated by the coil is utilized, the self-power supply technology and the self-sensing technology are combined, and multiple functions are realized through the simple structure; a switch control mode is adopted in the power supply management system, so that voltage and current are only used when needed, and no electric energy is consumed in other time; the power management circuit realizes a fully-automatic switching function through battery voltage detection, so that the whole system comprises the wireless transmission module and can be called as a real self-powered system; the energy of the energy source is fully and efficiently utilized, so that no energy loss exists in the energy conversion and distribution process.

This disclosure relates to the field of new energy power grid-connected control technology, and discloses a control method, system, and equipment for an energy storage power station based on frequency deviation and state of charge (SOC). The method includes determining the output R1 of a first output module, the output R2 of a second output module, and the output R3 of a third output module. Specifically, the output R1 of the first module is determined based on the frequency deviation Δf; the output R2 of the second output module is determined based on the frequency deviation Δf of the energy storage power station control system and the SOC value of the stored energy; the output R3 of the third module is determined based on the frequency change rate of the energy storage power station; and the energy storage power station is controlled based on the output R1, output R2, and output R3 of the first, second, and third output modules. This disclosure comprehensively considers system frequency deviation and battery SOC in the control of the energy storage power station, solving the problem of energy depletion or saturation under long-term ESS operation conditions, and improving the limitations of inverter control strategy improvements.

This invention discloses a variable frequency energy-saving screw vacuum pump, relating to the field of screw vacuum pump technology. It includes an energy-saving device, a pumping chamber, an air inlet, an exhaust port, and a drive component. The drive component drives the male and female screws within the pumping chamber to rotate. The pumping chamber compresses and discharges air, gradually evacuating the working space into a vacuum. It can work in conjunction with a frequency converter. During the operation of the screw vacuum pump, the compression ratio and bypass channel opening can be dynamically adjusted according to the changing pumping requirements at different process stages, allowing it to operate within a more ideal working range. During the vacuum pump start-up and shutdown transition phase, the bypass channel is opened and the compression ratio is reduced to minimize wasted work. During the pumping phase, the bypass channel is closed, and a lower compression ratio reduces energy loss, thus achieving energy savings. During the stable operation phase, the compression ratio is increased to ensure pumping efficiency, thereby achieving adaptive matching for different operating conditions.

The application provides a method for mismatch compensation of a multi-relay wireless power transmission system and related devices, and belongs to the technical field of wireless power transmission. If the constant voltage output frequency coincides with the hidden zero phase angle frequency, the output efficiency and output power of the multi-relay wireless power transmission system are determined based on the constant voltage output frequency and the hidden zero phase angle frequency. If the constant voltage output frequency does not coincide with the hidden zero phase angle frequency, the mismatch coefficient is determined again based on the hidden zero phase angle frequency at the constant voltage output frequency until the constant voltage output frequency coincides with the hidden zero phase angle frequency, and then the output efficiency and output power of the multi-relay wireless power transmission system are determined based on the constant voltage output frequency and the hidden zero phase angle frequency. The application solves the problems of additional energy loss and low transmission stability of the system.

The present application relates to the technical field of temperature control, and especially relates to an ablation system temperature control system, a method, equipment and a medium with multi-dimensional compensation; the system acquires electrical parameters and ultrasonic image data synchronously, solves medium texture indexes representing changes in the structure of a load medium, constructs an anti-disturbance control model containing an extended state observer, defines energy transmission loss caused by contact thermal resistance as an extended state variable, calculates an adaptive correction factor based on the texture indexes, dynamically corrects the state updating process of the observer to obtain a corrected energy loss estimation value, and constructs a compensation control model to adjust output power accordingly; the present application effectively solves the technical problem of incomplete heating caused by false high sensor temperature and system misjudgment due to deterioration of the contact interface state; precise reconstruction and closed-loop compensation of effective heat flow are realized under a non-ideal contact environment, sufficient energy penetration is maintained even when contact thermal resistance increases dramatically, and the integrity of the ablation area is ensured.

This invention discloses a concentrated photovoltaic-thermal integrated utilization control device, belonging to the field of renewable energy utilization equipment technology. The device includes a mounting column, with a mounting frame fixedly connected to the top. An upper photovoltaic panel and a lower photovoltaic panel are fixedly mounted on the top and bottom of the mounting frame, respectively. Two heat receivers are disposed between the upper and lower photovoltaic panels. Two spectral dividers are fixedly connected to the outer periphery of the top of the mounting column. Through the coordinated design of concentrated frequency division and heat recovery, it achieves efficient utilization of the entire solar spectrum, solving the energy loss problem caused by the separation of traditional photovoltaic power generation and solar thermal utilization. It overcomes the technical bottlenecks of excessive temperature rise of photovoltaic modules, decreased photoelectric conversion efficiency, and waste heat under concentrated conditions, improving the energy output efficiency and operational stability of the entire system.

This invention discloses a dynamic automatic correction system for the nozzle area of ​​a steam turbine regulating stage, comprising: a detection module for real-time acquisition of operating parameters of the steam turbine regulating stage, including the pressure difference across the regulating valve, main steam flow rate, reheat steam temperature, unit power, and speed; and a control module, which is communicatively connected to the detection module and incorporates a load rate calculation model, a dynamic correction algorithm, and secondary correction logic. This invention ensures that the regulating valve opening remains within the high-efficiency range by dynamically correcting the nozzle area, combined with secondary correction logic. This verifies that throttling losses are reduced under low load conditions, directly reducing energy consumption and improving the unit's operational economy. Simultaneously, through high-frequency data acquisition, dynamic coefficient optimization, and flexible correction cycles, it achieves a "second-level" correction response. The specification clearly states that it can quickly meet the peak-shaving needs of the power grid and solve the problem of nozzle area decoupling from operating conditions under load fluctuations.

The embodiment of the application discloses an eight-way power divider, which effectively optimizes a signal distribution path, reduces energy loss and phase mismatch, and improves port isolation performance and mechanical stability by adopting a ceramic bottom plate as a stable base, an iron-yttrium-nickel magnetic core as a magnetic circuit core, and combining a specific winding layout and an impedance matching network, and has low insertion loss, high phase balance, high port isolation, and good environmental adaptability.

The application discloses a wireless charging system for a UAV, which can monitor the battery state in real time through the power receiving side measurement and control module and feed back to the transmitting side measurement and control module, and the transmitting side can dynamically adjust the charging power according to the feedback, so that overcharging or undercharging is avoided, and the charging efficiency is improved; secondly, the external alternating current is converted into adaptive power by the transmitting side power module, and the power is transmitted through magnetic coupling, and then the receiving side converts the power into appropriate charging voltage and current; the precise power conversion and transmission are combined with real-time power regulation, and energy loss is reduced; in addition, the system can adjust the charging strategy according to different states of the battery, and can quickly charge when the battery has low power, and can trickle charge when the battery is close to full power, so that the system can flexibly adapt to various scene requirements; meanwhile, the system can monitor the battery voltage and other information in real time, and can reduce the power or stop charging in time when the battery is close to full power, so that overcharging is effectively prevented, and safety problems such as battery heating, expansion and even explosion are avoided, and charging safety is ensured.

This invention discloses a liquid temperature-controlled system for phage preparations, belonging to the field of biological agent storage and transportation. The liquid temperature-controlled system for phage preparations includes a housing, a temperature regulation unit, an energy storage and power supply unit, a solar power generation unit, an environmental sensing unit, an intelligent control unit, and a monitoring, control, and data acquisition unit. This invention solves the problems of existing temperature-controlled storage equipment relying on mains power, insufficient energy management efficiency, and susceptibility to failure due to energy depletion in outdoor or unstable power environments. Through solar self-powering and intelligent energy prediction management, this invention enables long-term self-sustaining operation of the system in complex environments. Furthermore, by employing a multi-mode switching and adaptive temperature control strategy based on energy prediction, it can improve the system's environmental adaptability and energy utilization efficiency while ensuring the core temperature requirement for phage preparation activity.

The application relates to the field of semiconductor technology and discloses a method for improving the ion implantation uniformity of a high-energy ion implanter, which comprises the following steps: firstly, generating plasma with a density of 10^11 / m^3 in an arc chamber by optimizing ion source excitation parameters; then, establishing a mathematical model based on a mean square deviation formula, calculating a deviation coefficient of an injection beam current intensity in real time, and adjusting the moving speed of a scanning mechanism in a closed loop to realize dose compensation; in addition, a full solid-state radio frequency power supply and a multistage resonant cavity are adopted to reduce energy loss, and a composite structure manufactured by a vacuum brazing process is used to improve the thermal stability of an extraction system. In combination with atomic mass analysis and an energy screening model, the application precisely controls the beam quality from multiple dimensions such as a physical source, energy management and structural deformation. The method significantly improves the spatial uniformity and depth consistency of the implantation dose, and meets the requirements of high-precision, long-term stable ion implantation processes under advanced processes.

The application belongs to the technical field of electroslag remelting, and particularly relates to a method and system for online regeneration of used electroslag. Since the used electroslag is used for a long time in the electroslag remelting process, sulfides (such as CaS and MnS) and oxides (such as Al2O3 and SiO2) are continuously enriched, resulting in imbalance of slag basicity, abnormal electrical conductivity and attenuation of refining capacity, which is the core factor causing the used electroslag to be unable to be directly recycled. Embodiments of the application break the traditional offline processing mode of abandonment and replacement, and construct an online closed-loop process of crushing-magnetic separation-layered batching-melting regeneration. Through gradient arrangement of the bottom reactant and the upper slag, the three functions of physical impurity removal, chemical damage removal and performance reconstruction are integrated in the same remelting space, avoiding energy loss and secondary pollution caused by multi-process transfer. The synergistic ratio of new slag and old slag is used to rapidly restore the activity of the slag system at a low cost, and the resource utilization efficiency and economy of the electroslag remelting process are significantly improved.

The application discloses a hidden tampering attack method based on series compensation capacitor and PMU measurement, which comprises the following steps: S1, establishing a complete dynamic model of grid-connected double-fed induction wind generator; S2, in order to improve the transmission capacity of the transmission line and reduce the energy loss in the transmission process, the DFIG wind farm is often connected with the external power grid via the series compensation line, and a series compensation line module differential equation is constructed; a PMU is installed at the terminal of each DFIG to obtain electrical quantity; S3, by giving a set of unstable characteristic roots, the capacitor value corresponding to the characteristic value is inversely solved, and the value is taken as the attack value of the capacitor in step S2; S4, the change amount caused by the attack on the measurement value is calculated, the measurement value after the system is attacked is subtracted from the measured change amount, so that the normal measurement value is obtained, and the measurement value of the PMU on the transmission line is tampered as the normal value, so that the hidden attack is realized.

The application discloses a kind of photovoltaic energy storage integrated charging pile electric energy supply device, belong to new energy charging equipment technical field, including charging pile body and photovoltaic energy storage module, photovoltaic energy storage module integrates photovoltaic array, photovoltaic direct-current conversion unit, energy storage battery pack, energy storage bidirectional direct-current conversion unit, bidirectional energy storage converter, direct-current bus and energy management system;Charging pile body is equipped with charging power conversion unit, charging interface and control mainboard, each unit is electrically connected with direct-current bus as core, energy management system and each power, control unit bidirectional communication, the integrated architecture of direct-current bus is used in the application, realizes photovoltaic electric energy direct supply charging load, constructs grid-pv-energy storage multi-source redundant power supply system, completes multi-source energy intelligent collaborative scheduling and work mode seamless switching, substantially reduces energy loss, improves power supply reliability and photovoltaic self-use rate, reduces operating cost, adapts to multi-scene charging demand.

This invention discloses an intelligent control method for screw vacuum pumps based on digital twins, belonging to the field of intelligent control. The specific steps of this intelligent control method are as follows: Ⅰ. Unified acquisition of multi-source sensor data and establishment of a time reference; Ⅱ. Construction of a state simulation model and simultaneous initialization of the model state. This invention enables control decisions to no longer rely on limited sensor data, significantly improving the completeness and accuracy of state perception. It ensures that the digital twin maintains high consistency and stability under complex operating conditions and long-term operation. It can capture minute deformations and local anomalies that are difficult to identify using traditional methods. Compared with traditional control methods that target pressure or flow, it is more fundamental and targeted, enabling complex flow analysis to meet real-time control requirements, improving the overall system response speed, breaking through the limits of traditional steady-state control, and further reducing energy loss and improving operating efficiency while ensuring stability.

This invention relates to a hydraulic wave energy harvesting device primary energy harvesting test system and method, belonging to the field of wave energy power generation device measurement technology. It includes a data acquisition unit, a wave generating unit for wave generation, a wave energy harvesting unit for harvesting wave energy, a load measurement unit, a hydraulic transmission unit for transmitting the energy harvested by the wave energy harvesting unit to the load measurement unit, and a water storage and recovery unit. Through the coordinated operation of these units, this invention can directly capture the hydraulic energy converted by the wave energy harvesting device, eliminating energy loss in intermediate transmission links. It features an ingenious structure, simple operation, and precise acquisition of test parameters, ensuring the reliability and accuracy of the test results.

The rectifier module of the present application is configured by the features of the transformer, the circuit board, the first switch unit, the second switch unit, the first conductive plate and the second conductive plate, so that the current path between the first switch unit and the second switch unit and the DC bus is shortened, the local concentration of the output circuit is avoided, the energy loss is effectively reduced, and the application value and utilization of the power supply device containing the rectifier module in the high-power application scenario are improved. In addition, the rectifier module of the present application has small size, high space utilization, can improve power density, has low cost, and can improve heat dissipation efficiency.

This application provides an energy system relating to the field of power conversion technology. The energy system includes: at least one boost converter for boosting the output voltage of a first photovoltaic unit and connecting it to a first DC bus; at least one buck converter for stepping down the output voltage of a second photovoltaic unit and connecting it to a second DC bus; a first charge / discharge module for energy transfer between the first and second DC buses; at least one first energy storage unit connected to the second DC bus and connected to the first DC bus via the first charge / discharge module; and an inverter unit connected to the first DC bus for converting the input DC power into AC power and outputting it to the power grid or a load. This application employs a hybrid bus structure design, which reduces device costs and energy losses, thereby lowering the overall cost of the energy system and improving overall efficiency.

This invention provides a method and system for evaluating the operational benefits of a photovoltaic energy storage air conditioning system, relating to the field of energy-saving air conditioning control technology. By constructing a multi-energy flow time-series dataset, this invention calculates a dynamic collaborative operation benefit index, a coupling loss identification index, and a lifetime discounted comprehensive benefit index, achieving a hierarchical quantitative evaluation of the energy coupling relationship between photovoltaic power generation, energy storage regulation, and air conditioning load, the system's overall loss level, and its life-cycle economics. Furthermore, it combines preset thresholds for judgment and early warning, triggering collaborative reconfiguration, loss suppression, and lifetime benefit optimization strategies to form a closed-loop adaptive control mechanism. This invention can improve the system's collaborative operation efficiency, reduce overall energy loss, delay energy storage lifetime decay, and improve long-term operational benefits and stability.

The invention belongs to the technical field of peak regulation auxiliary service market clearing, and particularly relates to a virtual power plant transaction auxiliary decision-making method and system oriented to an auxiliary peak regulation market. The method comprises the following steps: establishing a peak regulation auxiliary market clearing model by taking the minimum sum of the total cost of a virtual power plant and the total cost of a generator set as a target; the virtual power plant bidding constraint, the generator set constraint and the power grid constraint serve as constraint conditions of the clearing model, the peak regulation auxiliary market clearing model is solved, and clearing prices of all nodes of the peak regulation auxiliary service market in all time periods are obtained; wherein the virtual power plant bidding constraint is established according to the energy constraint and the power constraint of the virtual power plant, and the energy constraint comprises the constraints of the upper and lower limits of the energy state and the energy loss, so that the problem that the actual output of the virtual power plant has a certain error and uncertainty is solved; the method reduces the deviation of the clearing price during the peak regulation auxiliary market transaction of the electric power system, and achieves the optimal income of the virtual power plant while guaranteeing the minimum total cost of the electric power market.

The invention provides a communication method and a related device, relates to the technical field of communication, and is used for reducing energy loss of terminal equipment. In the method, terminal equipment measures at least one adjacent cell of a serving cell of the terminal equipment under the condition that a first energy value of the terminal equipment is greater than or equal to a first energy threshold value.

The embodiment of the application provides a communication method, which is applied to a first device, and the method comprises the following steps: a plurality of first channels are sent, the plurality of first channels occupy different time ranges and the same frequency range; different first channels in the plurality of first channels are received by different or same ambient Internet of Things (A-IoT) devices, and the first channel is a control channel or a data channel. The method clearly solves the problem of how the first device sends the control channel / data channel to the A-IoT device in the ambient Internet of Things. In addition, since the way in which the first device sends the plurality of first channels is a time division manner, the A-IoT device can receive the first channel from the first device by using a radio frequency receiver, without the aid of a high-performance filter, thereby facilitating the reduction of the complexity and energy loss of the A-IoT device in receiving the first channel.

This application discloses an electrical connector and connector assembly, relating to the field of electronic products. It includes a housing and a connecting shell fixed to one end of the housing. An insulating body first and an insulating body second are fitted inside the housing near the connecting shell. A second connecting terminal is embedded inside the insulating body second. A hook is provided at the top of the second connecting terminal, and a first connecting terminal is provided at the top of the hook. A dustproof mechanism is provided at the top of the housing, and clamping mechanisms are symmetrically arranged at the end of the housing away from the dustproof mechanism. This application replaces the traditional circuit board-based connection method by directly soldering wires to the soldering ends of the first and second connecting terminals, reducing energy loss during charging or data transmission, improving the efficiency of charging or transmitting current, facilitating the carrying of higher power or more stable signals, and dividing the first connecting terminal into multiple independent pins to achieve synchronous connection of multiple signals or power supplies.