10results about How to "Improve electricity efficiency" patented technology

The invention discloses a thermal management system, an operation method of the thermal management system and a vehicle applying the thermal management system, and relates to the technical field of thermal management systems. The system selectively enters one of the following operation modes: a cab refrigeration mode, a battery pack refrigeration mode, a cab and battery pack refrigeration mode, a battery pack heating mode, a battery pack self-circulation heat dissipation mode, an electric energy conversion component heat dissipation mode and a battery pack and electric energy conversion component low-temperature heat dissipation mode. A cab heating mode and a waste heat utilization type battery pack heating mode. The invention mainly solves the problem of how to provide a thermal management system for a new energy automobile. The system has the advantages of being high in integration degree, rich in function, multiple in operation mode, high in reliability, good in controllability, high in power utilization efficiency and good in economical efficiency, and therefore the performance, stability and comfort of the vehicle are improved, and the service life of the vehicle is prolonged.

The invention relates to an automatic control system and method for adjusting the solution concentration according to the voltage of a rotational flow electrolytic cell. The technical problems of low control precision, poor stability and the like in the prior art are solved. Comprising a front liquid storage tank, the front liquid storage tank is connected with a solution circulating tank through a first conveying assembly, the solution circulating tank is connected with a rotational flow electrolytic cell set through a second conveying assembly, and a pressure monitoring assembly is further arranged between the second conveying assembly and the rotational flow electrolytic cell set. The first conveying assembly, the second conveying assembly, the flow monitoring mechanism, the pressure monitoring assembly, the liquid level monitoring mechanism and the temperature monitoring assembly are all electrically connected with the central controller, and the rotational flow electrolytic bath set is connected with a rotational flow electrolytic bath voltage and temperature detection device connected with the central controller. The system has the advantages that by adopting multi-parameter linkage and the central controller, the concentration of the electrolyte is accurately regulated and controlled, and the concentration of the solution is reversely regulated by monitoring the voltage change of the electrolytic bath, so that the electrolytic process is always in an efficient and stable state.

The invention relates to the technical field of switching power supplies, and discloses a two-stage active power factor correction circuit and a switching power supply in order to solve the problems of low power factor and high harmonic pollution caused by the fact that the input of the switching power supply is alternating current. The circuit comprises an electromagnetic interference filter, a rectifier bridge, a PFC booster circuit, an LLC half-bridge resonance compensation circuit and a controller which are connected in sequence. The PFC booster circuit is used for boosting the voltage output by the rectifier bridge to the high-voltage direct-current bus voltage; the LLC half-bridge resonance compensation circuit is used for converting the high-voltage direct-current bus voltage output by the PFC booster circuit into stable low-voltage direct current required by a load by adjusting the switching frequency of the LLC half-bridge resonance compensation circuit; the controller is used for controlling the working mode of the PFC booster circuit according to the magnitude of the output current of the LLC half-bridge resonance compensation circuit; meanwhile, the output voltage of the LLC half-bridge resonance compensation circuit is sampled, and the switching frequency of the LLC half-bridge resonance compensation circuit is adjusted according to feedback of the output voltage. By adopting the circuit, the power utilization efficiency of power equipment is improved, and harmonic interference is reduced.

The application discloses a kind of energy game regulation and control method and equipment based on multi-region sharing.The method comprises the following steps: constructing energy sharing subject model, including the power consumption comprehensive benefit model of producer and consumer and the income model of energy operator;Energy operator obtains scheduling result with maximum income as objective function;Producer and consumer pursue greater income effect according to the regional internal electricity price provided by energy operator;Energy operator pursues smaller operation cost according to the scheduling result of shared energy storage system;If the game decision result of producer and consumer and energy operator does not change, the transaction result is taken as the final energy transaction regulation scheme, otherwise return to continue iteration.The application provides a technical scheme for power system operation management under the background of the vigorous development of new energy and shared energy storage, enhances inter-regional energy sharing and promotes renewable energy consumption.

The present application relates to solid waste resource comprehensive utilization technical field, disclose a kind of calcination desulfurization-electric furnace reduction processing laterite nickel ore acid leaching residue method, comprising the following steps: S1.laterite nickel ore acid leaching residue and auxiliary material are used as raw material, oxygen-enriched air and first fuel are introduced into raw material to carry out calcination desulfurization, obtain sulfur-containing flue gas and desulfurization hot slag;S2.desulfurization hot slag obtained in S1 with second reducing agent is directly put into electric furnace and is reduced smelting, obtain molten iron, reduction smelting flue gas and reduction smelting slag, desulfurizer is added to the molten iron and is desulfurized, and iron ingot is prepared;S3.reduction smelting slag is obtained after water quenching treatment water quenching slag, the water quenching slag is mixed with excitation agent, after drying, grinding, obtain active micro-powder material.This method realizes laterite nickel ore acid leaching residue full resource comprehensive utilization, fully recycles residual valuable metal including Fe, Ni, realizes the full development and utilization of valuable metal, sulfur, tailings and other slag components.

An NMR device (10) having an NMR magnet system for generating an NMR magnetic field, the NMR magnet system including an NMR coil (11) for modifying the magnetic field, and the NMR device having a stable and low-noise current source supplying current to the NMR coil, the current source including a linear current regulator (12) electrically connected to a first end of the NMR coil, characterized in that the current source includes a digital voltage source (13) employing switching technology, the digital voltage source being electrically connected to a second end of the NMR coil such that the NMR coil is connected as an electrical load between the linear current regulator and the digital voltage source, and the current regulator (12) is connected to the digital voltage source (13) via a regulating line (14) for regulating voltage, and the linear current regulator regulates the digital voltage source such that the voltage on the linear portion side of the arrangement is within a preselected operating range, thereby consuming as little electrical power as possible in the linear portion of the arrangement. Thus, the NMR coil can be regulated with high electrical efficiency and supplied with current stably and with low noise, wherein the uniformity of the NMR coil remains stable and constant even under changing external conditions.

The application belongs to the technical field of photovoltaic support, and discloses a fish-light complementary intelligent photovoltaic support, which comprises first support columns and second support columns, first fixing frames and second fixing frames are arranged at the upper ends of the first support columns, third fixing frames and fourth fixing frames are arranged at the upper ends of the second support columns, first limiting mechanisms, first fixing mechanisms and tracking mechanisms are fixedly connected to the second fixing frames through first bolts, second limiting mechanisms and second fixing mechanisms are fixedly connected to the fourth fixing frames through second bolts, the placement plate frame is automatically rotated counterclockwise to the best angle of solar irradiation through the capture of the photosensitive sensor, and the intelligentization is increased to improve the electricity generation efficiency of the photovoltaic panel.

A structural battery for a vehicle may include a plurality of positive electrode layers, a plurality of electrolyte layers, and a plurality of negative electrode layers stacked in this order from top to bottom, in which the positive electrode layers and the negative electrode layers each include a positive electrode and a negative electrode coated with slurry layers on both surfaces of a carbon fiber current collector layer, respectively, and the carbon fiber current collector layer has a region that extends outward compared to the slurry layer.

A novel track-mounted socket with a screen features a wiring structure. By placing the wiring section on the side of the display screen mounting base closer to the track body, the wiring section is closer to the center of the track socket after installation, compared to traditional wiring sockets. This structural layout provides more operating space during wiring, avoiding wiring difficulties caused by limited space and improving wiring efficiency and convenience. Furthermore, the internal wiring connections of the entire track socket are more compact and rational. On one hand, it effectively reduces the length of external wires running inside the track socket, lowering line resistance and thus reducing power loss during transmission, improving the power efficiency of the track socket. On the other hand, the compact wiring layout also reduces the possibility of mutual interference between lines, enhancing the stability and reliability of the track socket.

The invention provides an efficient demister, and belongs to the technical field of gas purification equipment. The demister comprises a direct-current high-voltage power supply, a cylinder body, a high-voltage electrode, an insulating sleeve and a liquid collecting screen plate, the positive electrode of a direct-current high-voltage power supply is connected with the high-voltage electrode, the negative electrode of the direct-current high-voltage power supply is connected with the barrel and the liquid collecting screen plate and is grounded, the barrel and the liquid collecting screen plate form a low-voltage electrode, and the distance between the high-voltage electrode and the low-voltage electrode is set to be 2-8 cm; in an operation state, a high-voltage electric field is formed around the high-voltage electrode, so that fog-containing gas realizes efficient fog drop trapping in the high-voltage electric field. The demister has the advantages of simple structure, high demisting efficiency, low energy consumption, safety and reliability in operation and the like, and is particularly suitable for demisting industrial waste gas and an air conditioning system.