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31results about How to "Reduce power output" patented technology

Multi-load equipment energy consumption management method and device and computer equipment

ActiveCN119539444Areduce power outputIncrease the first weightForecastingBiological modelsElectricity priceElectric power system
The invention relates to the technical field of power system optimization scheduling, and discloses a multi-load equipment energy consumption management method and device and computer equipment, and the method comprises the steps: obtaining electricity price data, and the energy consumption data, the operation state and the load demand of electric equipment, based on the electricity price data, the energy consumption data, the operation state and the load demand, the priorities of the electric equipment are classified; adopting a preset multi-task learning model to predict the load demand of the electric equipment in a future preset time period; generating a multi-target optimization model based on the priority, the load demand and the electricity price data of the electric equipment, and generating a dynamic power distribution scheme of the electric equipment based on the multi-target optimization model; and obtaining the load demand and the external environment of the electric equipment in real time, and adjusting the dynamic power distribution scheme of the electric equipment based on the load demand and the external environment. According to the method, the energy consumption optimization and the operation efficiency are always kept balanced, and the problem that the energy consumption optimization and the operation efficiency are not balanced is solved.
Owner:ZHEJIANG CHINT INSTR & METER

3D IC flow heat transfer testing device and method

The invention belongs to the field of flow heat transfer testing devices and the technical field of semiconductor chip and integrated circuit packaging heat dissipation, particularly relates to a flow heat transfer testing device and method for a 3DIC, and aims to solve the problem of heat management experiment testing of a 3DIC structure under the condition of high heat flux. The device comprises alternately stacked open type heating sheet slots, micro-channel modules, MCH ceramic heating sheets, interlayer communication columns, a flow distributor and a plurality of temperature measuring elements. Through a reasonably designed fluid distribution system and a precise heat conduction structure, an equivalent substitution experiment scheme of a real 3DIC is realized, the problem of small-space temperature measurement point and heat source arrangement is solved, and the problems of non-uniform flow distribution of gas-liquid two-phase flow in a variable cross-section sub-runner and the like are solved. The device has a real-time temperature monitoring capability, is suitable for thermal management research and multiphase flow pattern observation of 3DIC, and provides a scientific basis for optimization design and performance improvement.
Owner:XI AN JIAOTONG UNIV

Server and data center

The invention relates to the technical field of servers, and discloses a server and a data center, the server comprises a server case, a first heat dissipation assembly and a refrigeration sheet, the server case is internally provided with a front function module and a rear function module, and the front function module and the rear function module are sequentially arranged along a first direction; the first heat dissipation assembly is arranged in the server case and comprises first heat dissipation fins and a first fan module, and the first heat dissipation fins and the first fan module are sequentially arranged between the front function module and the rear function module in the first direction; the refrigeration sheet is arranged on the side wall, in the second direction, of the server case and comprises a cold end and a hot end, and the cold end abuts against the first cooling fin; the second direction is perpendicular to the first direction, an internal cold source is provided for the server, the temperature in a server case is effectively reduced, and a continuous and stable low-temperature environment is provided for a rear functional module; and the heat dissipation efficiency in the server case is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Regulation and control method and device for stably outputting ultrapure water for semiconductor process

The invention discloses a regulation and control method and device for stably outputting ultrapure water for a semiconductor process. The regulation and control method comprises the following steps: S1, deep treatment: treating primary pure water to obtain secondary pure water; s2, first-order circulation: carrying out reflux circulation on part of secondary pure water to carry out the step S1, storing non-reflux secondary pure water into a pure water storage tank, distributing reflux water quantity in proportion according to a simulation output result of a liquid level of the pure water storage tank to form a first-order circulation ratio, and regulating and controlling a target decomposition dosage of first-order decomposition treatment according to the first-order circulation ratio and a detection result of the secondary pure water; s3, fine treatment: treating the secondary pure water to obtain ultrapure water; and S4, second-order circulation: stably outputting ultrapure water according to the water consumption of the downstream semiconductor process, refluxing the residual ultrapure water to carry out the step S3, and regulating and controlling the target decomposition dosage of the second-order decomposition treatment according to the ultrapure water consumption of the process and the detection result of the ultrapure water. According to the invention, ultrapure water with stable quality and flow can be output with high efficiency and low energy consumption according to the water demand of a downstream semiconductor process.
Owner:CHINA ELECTRONICS ENGINEERING DESIGN INSTITUTECO LTD

Battery pack fault early warning monitoring analysis method and system

The invention discloses a battery pack fault early warning monitoring analysis method and system, relates to the technical field of battery detection, and ensures that the running state of a battery pack is tracked and managed in real time by collecting the working running data of the battery pack in real time, generating a feature vector FV1 and transmitting the feature vector FV1 to a monitoring analysis platform. And secondly, through overlap analysis of the feature vector FV1 and historical data, the system can calculate the health state index HS of the battery pack, obtain the current health state of the battery pack and ensure timely early warning of potential faults, and through secondary analysis of the anomaly degree DYZ and in combination with cumulative effects of different types of anomalies, an anomaly degree evaluation index SE is obtained, so that the safety of the battery pack is improved. And a targeted abnormity regulation and control strategy is generated to ensure that proper measures are taken under different abnormity situations. The regulation and control measures are executed through remote control, abnormity is prompted to the host in time, and instantaneity and effectiveness of a regulation and control strategy are guaranteed.
Owner:HUIZHOU BEST NEW ENERGY TECHNOLOGY CO LTD

Fused salt energy storage system and heat storage and heat release method for thermoelectric unit

PendingCN119103908Areduce power outputIncrease peak output capacityHeat storage plantsFeed water supplyThermal energy storage systemMolten salt
The invention relates to the technical field of fused salt energy storage, in particular to a fused salt energy storage system for a thermoelectric unit and a heat storage and release method. The system comprises a boiler, a heat storage system, a steam heating fused salt system, a fused salt steam generation system, a fused salt feed water heating system, a turboset and a water supply system. The boiler communicates with the turboset and the steam molten salt heating system, the water supply system communicates with the boiler and the steam molten salt heating system, and the heat storage system communicates with the steam molten salt heating system; the steam turbine unit is communicated with the steam heating molten salt system; the heat storage system is communicated with the fused salt steam generation system; the heat storage system is communicated with the fused salt feed water heating system, and the fused salt feed water heating system is communicated with the water supply system. By arranging the heat storage system and the steam heating system, the heat storage system and the steam heating system can be coupled with main steam exhausted by a boiler in the thermoelectric unit, reheated steam and exhaust of a steam turbine unit, and therefore the power generation output of the thermoelectric unit is reduced.
Owner:BLUESTAR BEIJING CHEM MACHINERY

A lifting window with a transmission power-assisting mechanism

The present invention discloses a lifting window with a transmission assist mechanism, comprising a window frame, a movable window sash, and a transmission assist mechanism, wherein the transmission assist mechanism is installed in the window frame, the transmission assist mechanism comprises a transmission mechanism and an assist mechanism, the transmission mechanism comprises a motor, a screw rod, a work output moving mechanism and a synchronizer, the motor is connected to one side of the screw rod and drives it to rotate, a work output moving mechanism is respectively engaged on the screw rods on both sides, and the work output moving mechanism moves linearly along the screw rod, the synchronizer is installed at the upper end or the lower end of the movable window sash and connected to the other end of the screw rods on both sides, the synchronizer makes the working output moving mechanisms on both sides move in the same direction, the assist mechanism is connected to the screw rod in at least one side of the window frame, the assist mechanism provides assistance to the screw rod, and the movable window sash is fixed on the work output moving mechanism. The movable window sash is driven to move up and down by the transmission mechanism, the transmission mechanism is wear-resistant and not easy to break, and the addition of an assist mechanism on the screw rod can reduce the power output of the motor to reduce the energy consumption of the motor.
Owner:GUANGDONG OPK SMART HOME TECH CO LTD

A stirring pretreatment device

The present invention relates to a stirring pretreatment device, comprising a stirring pretreatment seat body, the stirring pretreatment seat body is hollow, a water inlet is arranged on one side of the top, a water outlet is arranged on the other side, a water sampling pipe is installed near the water outlet, the water inlet end of the water sampling pipe extends to the inside of the stirring pretreatment seat body, the position is close to the bottom end of the stirring pretreatment seat body, and the water outlet end is located outside the stirring pretreatment seat body; a motor is also installed on the stirring pretreatment seat body, the motor shaft is connected to a stirring shaft, the end of the stirring shaft not connected to the motor shaft extends into the stirring pretreatment seat body, and a stirring blade is installed, and the stirring blade is located below the water inlet end of the water sampling pipe: a separator is arranged in the stirring pretreatment device, and the separator is formed in the stirring pretreatment device from the top to the blade, so that a water inlet area and a water outlet area are formed on both sides of the separator, the water inlet end of the water sampling pipe is located in the water outlet area, the water inlet is directly connected to the water inlet area, and the water outlet is directly connected to the water outlet area. The device is not easy to block the sampling pipeline.
Owner:SHENZHEN ZHENGQI ENVIRONMENTAL TECH CO LTD

An energy-saving control system and a hydraulic control device for excavators

This application discloses an energy-saving control system and an excavator hydraulic control device, relating to the field of hydraulic control technology. The energy-saving control system includes an energy-saving motor, a differential regeneration valve, an energy-saving circuit, and / or a first directional valve. The energy-saving motor is connected to the shaft end of the hydraulic pump group of the excavator hydraulic control system. The oil outlet of the energy-saving motor is connected to the return oil channel through an unloading oil circuit. The differential regeneration valve is connected between the rodless chamber oil circuit and the rod chamber oil circuit of the boom cylinder assembly of the excavator hydraulic control system. The energy-saving circuit is connected to the rodless chamber oil circuit of the boom cylinder assembly. The energy-saving circuit is equipped with a flow extraction valve group, a take-up and release valve group, and an accumulator. The take-up and release valve group is connected to the oil inlet of the energy-saving motor. The first directional valve is connected between the oil outlet of the energy-saving motor and the output oil circuit of the hydraulic pump group of the excavator hydraulic control system. The above-mentioned energy-saving control system solves the problems of low working efficiency, large energy loss, and high temperature rise in the excavator hydraulic system.
Owner:SUNWARD INTELLIGENT EQUIP CO LTD

Warm edge line groove with heat insulation structure

The utility model discloses a warm-edge wire duct with a heat insulation structure, which comprises a wire duct body, a heat insulation structure and a heat insulation structure, and is characterized in that the wire duct body is internally provided with a notch for accommodating a wire harness; and the protection assembly comprises a cover plate, the cover plate is clamped at the top of the wire duct body, the wire duct body is firstly installed at a proper position close to a wall corner, and meanwhile the wire harnesses are arranged in the wire duct body. According to the utility model, firstly, the wire duct body is installed at a proper position close to a wall corner, and meanwhile, the wire harnesses are arranged inside the wire duct body, so that when the external temperature is relatively high, one-time heat insulation and protection effects can be realized through the sprayed heat preservation layers outside the wire duct body and the clamping sleeve; the exposed side of the whole wire duct body can be subjected to heat insulation protection through the first heat insulation layer and the second heat insulation layer, high temperature or low temperature is prevented from being transmitted into a room, the indoor temperature is prevented from being affected, power output of refrigeration and heating equipment can be reduced, meanwhile, the external protection layer can improve the protection and durability effects, and the effects of isolating indoor and outdoor heat conduction and saving energy are achieved.
Owner:ANHUI OTEC BUILDING ENERGY SAVING CO LTD

Gas-air mixing device and gas water heating device

ActiveCN224397795UMeet the demand for increased output powerHigh power outputGaseous fuel burnerThermodynamicsThermal water
The utility model discloses a kind of gas air mixing device and gas water heater, it relates to water heating device field, comprising: for input gas gas passage;For input air first air passage and second air passage;With the first gas output portion and the second gas output portion of the gas passage intercommunication;Mixed gas passage is set in the first air passage, second air passage, first gas output portion, second gas output portion downstream;Flow regulating component is at least partially arranged in the first air passage and can move along the extension direction of the first air passage, air inlet in the gas air mixing device can drive the flow regulating component moves to adjust the opening of the first air passage and the first gas output portion;The second air passage and the second gas output portion are normally open state.This application can solve the problem that flow regulation range is relatively narrow.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD

Pump detection TAP instrument

The invention provides a pumping detection TAP instrument, and relates to the field of transient dynamics and catalytic surface and interface research. The pumping detection TAP instrument provided by the invention comprises a sample injection pulse system, a micro reactor, a liquid nitrogen cooling system, a mass spectrum system and a vacuum system. Through the arrangement, the experiment of continuous pulse or intermittent pulse or pump-probe pulse of one or two gas molecules can be realized, so that surface chemistry and microdynamics information related to element steps can be obtained.
Owner:SHANGHAI TECH UNIV

A reaction vessel fluidized bed circulating stirring impeller

This utility model relates to a laminar flow circulation impeller for a reactor, comprising an impeller shaft, on which a position-adjustable connecting ring is detachably mounted, and the impeller shaft and the connecting ring are connected and fixed by fastening bolts; a radially arranged fixing rod is fixedly connected to the connecting ring, and an extension rod with an adjustable position relative to the fixing rod is connected to the fixing rod, with impeller blades fixedly connected to both the fixing rod and the extension rod; the impeller blades are provided with guide holes penetrating the impeller blades. The connecting ring, carrying the impeller blades, can move along the axis of the impeller shaft, thereby changing the laminar flow position of the impeller blades in the reactor and adjusting the distance between the flow layers stirred by adjacent impeller blades. Furthermore, the detachable nature of the connecting ring allows the number of connecting rings on the impeller shaft to be increased or decreased according to the stirring needs of the reactants in the reactor, which is beneficial for the uniform mixing of reactants, improves convection during stirring, and increases the stirring and mixing efficiency.
Owner:HANGZHOU CHAOFAN ANTICORROSION EQUIP CO LTD

A swing felting and weighing pressurizing system for mineral wool

The invention discloses a swinging felting and weighing pressurizing system for mineral wool, and relates to the technical field of mineral wool production. The swinging felting and weighing pressurizing system for mineral wool comprises a stacking conveyor and a feeding conveyor, and also comprises a swinging conveyor belt, wherein the swinging conveyor belt is located at the discharge end of the feeding conveyor, and performs a swinging motion with the upper end of the swinging conveyor belt as a fixed point, and is used to convey the mineral wool felt and discharge the mineral wool felt in a swinging state. Under the setting of the compensation component, the mineral wool felt between the swinging conveyor belt and the translation conveyor belt during the swinging process is compensated, thereby avoiding the situation that the stacking surface at both ends of the mineral wool felt is high and the stacking surface in the middle is low after the felting due to the slow swinging speed at the two ends of the arc and the fast swinging speed in the middle, thereby improving the molding quality of the mineral wool felt. In addition, under the setting of the compensation component, the problem of loosening or tension of the mineral wool felt caused by the constant conveying speed of the mineral wool felt can be avoided, the tension state of the mineral wool felt is maintained, and the molding quality of the mineral wool felt is improved.
Owner:INNER MONGOLIA PUZE NEW MATERIAL TECH CO LTD

Air source heat pump with noise reduction function

The invention discloses an air source heat pump with a noise reduction function, and relates to the technical field of noise reduction of air source heat pumps, the air source heat pump comprises an independent outer box, a buffer box is arranged in the independent outer box, two compressors are arranged in the buffer box, and a transverse floating cylinder and a longitudinal floating cylinder are arranged outside the compressors; a first electromagnet and a second electromagnet are arranged below the compressor, the independent outer box, the buffer box, the compressor, the transverse floating cylinder and the longitudinal floating cylinder are matched, the buffer box is filled with saline water, and the transverse floating cylinder and the longitudinal floating cylinder can provide buoyancy for the compressor; and the first electromagnet and the second electromagnet have the same polarity, and the compressor is supported according to the principle that like poles repel each other, so that direct rigid connection between the compressor and other components is cut off, the resonance phenomenon of the whole equipment and a wall can be effectively reduced, and the problem that the compressor generates large noise during daily operation is solved.
Owner:HUBEI RONGPINGUAN NEW ENERGY CO LTD

A motor spindle clamping and feed interlocking control system

This invention relates to the field of electric motors. A motor spindle clamping and feeding mechanism interlocking control system includes an outer base assembly with a left-right split structure; it also includes a rocker arm force-applying assembly, comprising a power component, a driving arm, and a driven arm. The power component controls the splitting and closing of the left and right parts of the outer base assembly by pushing and pulling the driving arm to change the included angle between the two driven arms; a servo motor drives a lead screw to rotate, changing the relative position between the outer base assembly connected to the lead screw nut and the motor spindle housing connected to the thrust plate; and it also includes an electrical signal interlocking control system, which allows the lead screw feeding assembly to start feeding only after the outer base assembly has completely released the motor spindle. This invention strictly controls the timing of the motor spindle clamping and the motor spindle itself, avoiding mechanical jamming, friction damage, or equipment accidents caused by feeding before the spindle is fully released.
Owner:SHANGHAI CDQC ELECTRIC

A tracked powered skiing assistance system

This invention relates to the field of skiing training assistance equipment, and discloses a tracked powered skiing assistance system, including a mobile power platform, a traction connection mechanism, a sensing unit, and a control system. The traction connection mechanism includes a traction arm body, a telescopic buffer unit, and a damping adjustment unit, providing telescopic buffering capability in the axial direction and restricted swaying capability in the lateral direction. The sensing unit acquires traction load information and user posture information. The control system constructs a coupled control model based on the traction load and user posture, adjusts the traction output and motion trajectory of the mobile power platform, and adjusts the damping according to the rate of change of the traction load to suppress swaying and reduce impact. Simultaneously, the system also features closed-loop traction control, safety control, and virtual slope simulation functions. This invention can achieve responsive control of the user's skiing intentions, improve skiing stability and safety, and is suitable for both snow and non-snow skiing training scenarios.
Owner:INNER MONGOLIA FAR EAST MACHINERY MANUFACTURING CO LTD

A coal-fired generator set coupled with liquid compressed air energy storage peak regulation system and method

ActiveCN112049699BGuaranteed uptimereduce power outputSteam accumulatorsPiston pumps
The present invention relates to a coal-fired generator set coupled with a liquid compressed air energy storage peak-shaving system and method, comprising a coal-fired generator set, a first clutch-gearbox, a second clutch-gearbox, and a liquid compressed air energy storage system. The low-pressure cylinder in the coal-fired generator set is connected to a first generator in the coal-fired generator set through the first clutch-gearbox, and is connected to an air compressor in the liquid compressed air energy storage system through the second clutch-gearbox; after the air is pressurized in the air compressor, the air enters a refrigeration expander to expand and release heat, and the liquid air and gaseous air are separated in a gas-liquid separation device, and the liquid air is stored in an air storage tank; when the liquid compressed air energy storage system generates electricity externally, the liquid air is pressurized by a booster pump and heated by a heater, and then enters an air expander to expand and do work, thereby driving the second generator to generate electricity.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Energy-saving and noise-reducing thicknessing machine

The energy-saving and noise-reducing thicknessing machine comprises a base, a rack and a thicknessing machine body, the base and the rack are connected in a matched mode to form a shell with an accommodating space inside, and a first position detection sensor and a second position detection sensor are arranged at the inlet end and the outlet end of the thicknessing machine body respectively in the feeding and discharging direction of the thicknessing machine; a controller connected with a motor of the thicknessing machine body is arranged in the thicknessing machine body, and the first position detection sensor and the second position detection sensor are both electrically connected with the controller. According to the pressure planer, when wood is not planed by the pressure planer, noise can be reduced by reducing the rotating speed of the motor, the use experience comfort of customers is improved, meanwhile, power output of the motor is saved, the purpose of saving energy is achieved, and the pressure planer has the advantages of being high in use comfort, high in energy-saving and environment-friendly performance, high in practicability and the like.
Owner:WENDENG AOWEN MECHANICAL & ELECTRICAL EQUIP

Clutch assembly, cabinet lock and cabinet

The utility model discloses a clutch assembly, a cabinet lock and a cabinet, the clutch assembly comprises a clutch driver, a clutch driving rod, a clutch elastic piece and a clutch locking assembly, the clutch driving rod is connected with the clutch driver, and under driving of the clutch driver, the clutch driving rod rotates around the axis in the length direction of the clutch driving rod; the clutch driving rod is sleeved with the clutch elastic piece; one end of the clutch driving rod extends into the clutch locking assembly, the clutch locking assembly is provided with a clutch containing area, the clutch elastic piece is arranged in the clutch containing area, and the end of the clutch elastic piece abuts against the side wall of the clutch containing area so as to apply thrust to the clutch locking assembly; the side wall of the clutch driving rod and the clutch elastic piece are each provided with a spiral structure, the clutch driving rod drives the clutch elastic piece to deform through the spiral structures in the rotating process, so that one end of the clutch elastic piece has compression potential energy, and then the clutch elastic piece pushes the clutch locking assembly to move. Under driving of the clutch driver, rotation of the clutch driving rod is converted into linear deformation on the clutch elastic piece, and unlocking can be achieved by reducing power output of the clutch driver. The intelligent lock can be widely applied to the technical field of intelligent locks.
Owner:GUANGZHOU MAGIC ELECTRONIC TECH CO LTD

Textile finished product production drying equipment

The invention belongs to the technical field of textile processing, and particularly relates to textile finished product production drying equipment which comprises a machine body, a motor is fixedly connected to the upper surface of the machine body through a support, a first rotating shaft is fixedly connected to the output end of the motor, and the first rotating shaft is rotationally connected to the inner top face of the machine body in a penetrating mode; and electric heating equipment is fixedly arranged on the inner bottom surface of the machine body. According to the textile product drying device, by arranging the revolution and rotation assembly, all parts of a textile product body can be heated more evenly, then the drying efficiency and effect are improved, by arranging the fixing mechanism, in the using process, a to-be-dried textile product is conveniently fixed through the fixing mechanism, and by arranging the transmission assembly, the drying efficiency is improved. According to the device, the power output of equipment operation is reduced, the use cost of the equipment is further reduced, and by arranging the adjustable reciprocating motion assembly and the water removal assembly, water removal operation can be conducted on textile finished products with different lengths.
Owner:NANTONG WORLD TEXTILE CO LTD

Processing technology and application of prebiotics for livestock and poultry

The invention relates to the technical field of prebiotics processing technologies and application, in particular to a processing technology and application of prebiotics for livestock and poultry. The prebiotics comprise a machine body, a through groove is formed in the upper surface of the machine body, a feeding hopper is fixedly connected into the through groove, a sieve plate is fixedly connected between the inner walls of the machine body, and a discharging groove is formed in the front face of the machine body; a pretreatment mechanism is arranged in the machine body and comprises a cutting assembly, a transmission assembly and a smashing assembly. According to the crushing device, raw materials to be pretreated can be subjected to section cutting treatment through the arranged section cutting assembly, then the subsequent crushing efficiency and the processing effect are improved, power of the section cutting assembly can be transmitted through the arranged transmission assembly, then the subsequent crushing assembly is driven, power output needed by the crushing device is reduced, and the crushing efficiency is improved. And through the arranged smashing assembly, the cut raw materials can be directly smashed, and efficient smashing of the raw materials is achieved in cooperation with the cutting assembly.
Owner:GUANGXI WUXUAN BAIHUASHAN AGRI CO LTD

A radio frequency power amplification device for transmitting video in a self-organizing network

ActiveCN117155420BFast harmonic clutter suppression systemHigh harmonic clutter suppressionHigh frequency amplifiersPower amplifiers
The present invention relates to a radio frequency power amplifier device for transmitting video in a self-organizing network, and belongs to the technical field of supporting devices for self-organizing network equipment. It includes a self-organizing network transmission module and a radio frequency power amplifier device, and the radio frequency power amplifier device is composed of a power conversion and power amplifier control circuit, an RF power electronic switch circuit, a power drive module circuit and a device housing; the radio frequency power amplifier device is connected to an LNA low noise amplifier box through the device housing; the working frequency band is 640-670MHz, the transmitting and receiving channels are combined into one, the two-stage power tube of the transmitting channel is linearly amplified, and the high-power radio frequency electronic switch outputs, and the receiving channel is cascaded by the radio frequency electronic switch receiving channel. It realizes high-power long-distance wireless video transmission, fast transmission start-up time, over-current, over-temperature, open-short circuit protection, alarm function, high harmonic and clutter suppression, low production cost, convenient replacement, and solves the problems of low power output in the prior art, short wireless video transmission distance, excessive power output, easy to burn the power amplifier, and unsuitable for small-scale vehicle formation information communication.
Owner:HUBEI GUANGXING COMM TECH CO LTD

Doubly-fed fan modeling method and system

The invention discloses a doubly-fed fan modeling method and system, and relates to the technical field of fan modeling, and the method comprises the steps: selecting a clustering index, and collecting data; clustering the wind power plant data by adopting an improved K-means algorithm to construct an equivalent station model; and identifying the obtained equivalent station model. According to the method, the wind speed of the wind power plant is selected as a clustering index, meanwhile, the wind speed is closely related to control over the pitch angle of the doubly-fed wind turbine, and according to different wind speeds, the pitch angle is increased or decreased to reduce the power output of the wind turbine, so that the wind turbine is kept at the rated power level or more kinetic energy is captured, and starting of the wind turbine is facilitated; actual measurement data of an actual wind power plant can be well fitted, accurate modeling, clustering and identification optimization of the wind power plant are achieved, and the actual operation condition of the wind power plant can be accurately reflected by errors within an allowable range. Accuracy and consistency of data are ensured, and a reliable basis is provided for operation control of the wind power plant.
Owner:GUIZHOU POWER GRID CO LTD

Edge electrode scalpel

The invention relates to an edged electrode scalpel, relates to the technical field of scalpels, and aims to solve the problem that a scalpel head of a traditional high-frequency electrotome is wide and blunt and is prone to adhesion to tissues. The edged electrode scalpel comprises a scalpel handle and a scalpel edge arranged at one end of the scalpel handle, and the other end of the scalpel handle is provided with an electrified wire. Cutting edges are formed in the two sides of the cutting edge, and an anti-sticking layer is arranged on the surface of the cutting edge. The tool bit has the effect of reducing tissue adhesion to the tool bit.
Owner:NANJING ANNENG MEDICAL DEVICES

Silo structure

The present invention discloses a silo structure, including a first lifting mechanism, a second lifting mechanism, a reversible conveying device, an upper loading hopper, a lower unloading hopper and an opening and closing door mechanism; the first lifting mechanism includes a loading and unloading tower and a first lifting guide column; the loading and unloading tower is provided with a lifting channel, and the side wall of the lifting channel is provided with a plurality of material passing windows and a vertical lane; the first lifting guide column is arranged in the lifting channel; the second lifting mechanism includes a second lifting guide column; the reversible conveying device includes a head roller lifting and cooperating with the first lifting guide column, a bending point roller lifting and cooperating with the second lifting guide column, and a conveyor belt wound around the head roller and the bending point roller, and the lane gives way to the lifting and moving of the conveyor belt; the upper loading hopper and the lower unloading hopper are respectively arranged above and below the head roller, and are lifted and lowered synchronously with the head roller; the opening and closing door mechanism is arranged relative to the material passing window, and is used to open and close the material passing window. The present invention can reduce the useless power consumption of the conveying mechanism and improve the potential energy conversion efficiency of the silo material.
Owner:POTENT MECHANICAL&IND XIAMEN CO LTD +1

Display device

Embodiments of the present disclosure relate to a display device, and more particularly, to a display device capable of improving luminance in an optical area by providing a plurality of weirs surrounding a pixel electrode corresponding to a light emitting area located in the optical area and an organic encapsulation layer located in an inner space surrounded by each of the plurality of weirs.
Owner:LG DISPLAY CO LTD

Power balance method and management system oriented to power system source network load storage coordination

The invention provides a power balance method and management system oriented to power system source network load storage cooperation, and relates to the technical field of data processing. According to the method, an electric power dispatching platform broadcasts an electric power balance dispatching instruction to power generation equipment, load equipment and energy storage equipment, and then the power generation equipment responds to the electric power balance dispatching instruction, obtains power generation characteristic parameters in a next preset measurement period and determines predicted power generation amount according to the power generation characteristic parameters; the power generation equipment responds to the power balance dispatching instruction and obtains the current actual storage electric quantity of the energy storage equipment, and the load equipment responds to the power balance dispatching instruction and obtains the predicted power consumption in the next preset measurement period; therefore, the power dispatching platform determines the power balance dispatching parameters according to the predicted generating capacity, the actual storage capacity and the predicted power consumption, and further adjusts the power balance dispatching parameters according to the real-time data, so that the resources of the power generation equipment and the energy storage equipment can be more effectively utilized.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD