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57results about How to "Reduce efficiency loss" patented technology

Foldable electronic device

The invention relates to foldable electronic equipment, which comprises a first main body, a second main body and a rotating shaft, and is characterized in that the first main body and the second main body are rotatably connected through the rotating shaft, so that the foldable electronic equipment has an unfolded state and a folded state, and the first main body comprises a first radiator, a first feed part and a first grounding part; the first feed part and the first grounding part are electrically connected to the first radiator respectively, so that the working frequency band of the first radiator at least covers the first frequency band, the second main body comprises parasitic branches, and in the folded state, the first radiator and the parasitic branches are stacked at intervals in the first direction; the projection of the first radiator in the first direction at least partially coincides with the projection of the parasitic branch in the first direction, positive integer multiples of 1 / 2 wavelength corresponding to the first frequency band jointly form a first length number set, and the length of the parasitic branch is within the first length number set; therefore, the parasitic stub can have a resonance mode corresponding to a 1 / 2 wavelength current mode of the first frequency band.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Low-torque pan-tilt camera device

The utility model provides a low-torque pan-tilt camera device which comprises a support, a spherical groove corresponding to a spherical assembly is arranged on the support, the spherical assembly is located on the inner side of the spherical groove, a plurality of tooth grooves are formed in the outer side wall of the spherical assembly, and a plurality of clamping grooves are formed between the tooth grooves and the outer side wall of the spherical assembly. An arc-shaped rack for driving the spherical assembly to rotate is formed; a gear is fixedly arranged at the power output end of the motor, and the gear is meshed with the arc-shaped rack; the camera lens is located on the inner side of the spherical assembly. The utility model has the beneficial effects that the transmission ratio is small, that is, the output rotating speed is high, the torque is small, the shaking of the pan-tilt camera lens in the rotating process is avoided, and the transmission mechanism is suitable for high-speed and small-torque transmission application scenes.
Owner:TIANJIN HUALAI TECH CO LTD

Preparation method of efficient and stable perovskite solar cell combining ionic compound interface modification and polymer material external packaging

The invention discloses a preparation method of an efficient and stable perovskite solar cell combining ionic compound interface modification and polymer material external packaging, and particularly relates to the field of solar cells. Comprising a substrate, a hole transport layer, a self-assembly molecular layer, a light absorption layer, an electron transport layer and a metal electrode layer which are sequentially laminated from bottom to top, wherein the material of the light absorption layer is a perovskite thin film modified by an ionic compound ammonium ligand, and the material of the perovskite thin film is a CsFAMA ternary perovskite precursor. And the photoelectric conversion efficiency and the operation stability of the perovskite cell are improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV +1

Unmanned aerial vehicle data transmission system

The invention provides an unmanned aerial vehicle data transmission system comprising a plurality of fixed signal stations used for sending and receiving wireless signals so as to establish communication connection with an unmanned aerial vehicle, and each fixed signal station is in wired communication connection with at least one other fixed signal station so as to form an ad hoc network data link; and a plurality of fixed control stations, each fixed control station is connected to the ad hoc network data chain, and the fixed control stations send control instructions to the unmanned aerial vehicle through the fixed control stations of the ad hoc network data chain and receive sensing data returned by the unmanned aerial vehicle. According to the method, the data link coverage range of the unmanned aerial vehicle is expanded, comprehensive signal coverage can be realized in various terrains and environments theoretically, the task execution capability and the working flexibility of the unmanned aerial vehicle are remarkably improved, and meanwhile, the efficiency loss caused by limitation of traditional point-to-point communication is reduced.
Owner:SICHUAN AOSSCI TECHNOLOGY CO LTD

Deep reinforcement learning method and system based on multiple agents

The invention relates to the technical field of reinforcement learning, in particular to a deep reinforcement learning method and system based on multiple agents. The method comprises the following steps of performing operation log extraction on multiple agents and constructing a multi-agent interaction graph to obtain the multi-agent interaction graph; carrying out resource release limited interval calculation among different load nodes on the multi-agent interaction map to obtain a node resource release limited interval; according to the node resource release limited interval, making a multi-agent resource competition strategy and carrying out multi-agent hierarchical convergence behavior coupling to obtain hierarchical convergence behavior coupling data; and constructing a multi-agent resource competition balance model according to the layered convergence behavior coupling data to obtain the multi-agent resource competition balance model, and sending the multi-agent resource competition balance model to a cloud platform to execute multi-agent deep reinforcement learning. According to the method, multi-agent collaboration is more perfect through optimization processing of multi-agent reinforcement learning.
Owner:NO 15 INST OF CHINA ELECTRONICS TECH GRP

Air temperature sensitive electric quantity prediction method based on multi-source data fusion

The invention relates to the technical field of electric power data processing, in particular to a temperature sensitive electric quantity prediction method based on multi-source data fusion, and the method comprises the steps: calculating temperature sensitive characterization parameters of an energy storage body in different temperature intervals, dividing temperature sensitive types, monitoring the real-time temperature of an energy supply terminal and an output terminal of the energy storage body, and determining the temperature interval. Predictive analysis is performed on the energy storage body in combination with a temperature-sensitive category, whether the energy storage body enters a sensitive influence stage is judged, the discharge power or / and the electricity storage power of the energy storage body is adjusted, and whether the efficiency loss meets the standard or not is predicted according to the internal resistance variation of the energy storage body, or whether the efficiency loss meets the standard or not is predicted based on the temperature difference duration. According to the invention, the temperature compensation is carried out adaptively by considering the influence of the temperature difference caused by the heat sensitivity of different electrolytes and the working asynchronism of the energy supply terminal and the output terminal on the charging and discharging efficiency of the energy storage body, the efficiency loss of the energy storage body is reduced, and the stability of the battery is improved.
Owner:JIANGBEI POWER SUPPLY BRANCH OF STATE GRID CHONGQING ELECTRIC POWER

Method and system for coordinated scheduling of multiple devices at a sea-rail intermodal port

PendingCN122713966AReduce efficiency lossEnsure millisecond-level decision-making timeliness
The application provides a sea-rail intermodal port multi-device collaborative scheduling method and system, and belongs to the technical field of port scheduling. The method comprises the following steps: acquiring real-time operation scene information of a railway-yard operation section of a sea-rail intermodal port; constructing a dynamic expansion heterogeneous graph model with new tasks arriving, representing the complex correlation between devices and processes; establishing a discrete event-driven mechanism to trigger scheduling decisions when operation events are completed, synchronizing decisions with operation processes; constructing an event-driven Markov decision process, defining state space, action space, state transition function and reward function; using a heterogeneous graph neural network to deeply encode the state space; and using a proximal policy optimization algorithm to train a global collaborative scheduling strategy based on the state embedding vector and output device-operation allocation actions. The application solves the problems of missing structured information, decision timing mismatch and insufficient generalization ability of existing methods.
Owner:BEIJING JIAOTONG UNIV

A shot blasting collection device

The utility model relates to the field of shot blasting treatment especially relates to a kind of shot blasting and sand blasting collection device, including mounting seat, the mounting seat is rotatably connected with screening bucket, the mounting seat is equipped with driving motor, the output shaft of driving motor is connected with the screening bucket, the mounting seat is slidably connected with collection arc-shaped plate, the collection arc-shaped plate is located the downside of the screening bucket, for collecting the material screened by the screening bucket.The utility model is rotated by driving motor and drives screening bucket, utilizes the joint action of centrifugal force and gravity to make material fully move in screening bucket, accelerate the material meeting the size requirement to pass through sieve hole, compared with artificial screening or fixed sieve plate screening, high-efficiency screening can be realized without manual intervention, greatly reduce labor intensity, simultaneously adapt to the material processing demand of large-scale shot blasting and sand blasting operation, shorten material processing cycle.
Owner:JIANGXI LAVA AUTO PARTS CO LTD

Photovoltaic support and photovoltaic system

The utility model relates to the technical field of photovoltaic power generation, and discloses a photovoltaic support and a photovoltaic system, and the photovoltaic support comprises a lifting stand column which is internally provided with a driving mechanism and is suitable for telescoping along the vertical direction under the action of the driving mechanism; the photovoltaic module is connected with the plurality of lifting stand columns, and the plurality of lifting stand columns are distributed in at least two rows; the time module is suitable for acquiring current time; the control device is in communication connection with the time module and the driving mechanism and is suitable for controlling the driving mechanism to stretch out and draw back the corresponding lifting stand column according to the current time so as to adjust the inclination angle of the photovoltaic module relative to the ground. The photovoltaic support can overcome the defect that in the prior art, a photovoltaic system cannot receive sunlight from the front face in most time periods, and consequently the power generation efficiency of the photovoltaic system is affected, and the power generation efficiency of the photovoltaic system can be improved.
Owner:HUADIAN HEAVY IND CO LTD

Auger mechanism for processing regenerated plastic sheets

The utility model provides an auger mechanism for processing regenerated plastic sheets. The auger mechanism comprises a sleeve, four supporting blocks are fixedly connected to the outer surface of the sleeve, a fixed supporting leg is rotatably connected to the supporting block on the left side, a movable adjusting leg is rotatably connected to the supporting block on the right side, a fixed adjusting leg is slidably connected to the outer surface of the movable adjusting leg, and the fixed adjusting leg is rotatably connected to the supporting block on the right side. An outer clamping groove is formed in the bottom of the fixed adjusting leg, an inner clamping groove is formed in the movable adjusting leg, an adjusting groove is formed in the movable adjusting leg, a restraining rod is arranged in the outer clamping groove, an anti-skid pad is fixedly connected to the bottom of the fixed adjusting leg, and a discharging opening is formed in the right side of the bottom of the sleeve. The auger mechanism for processing the regenerated plastic sheet has the effects of improving the applicability of the device and shortening the overall processing time.
Owner:TAIHE COUNTY XIFA REGENERATION RESOURCES CO LTD

Motor, air handling unit, method, device and non-volatile storage medium

The invention provides a motor, an air handling unit, a method, a device and a nonvolatile storage medium. The motor comprises a motor shell, the motor shell defines a mounting cavity, and the mounting cavity is used for accommodating a stator and a rotor; the mounting cavity is communicated with a first air source; the driving part is movably arranged at the end of the mounting cavity, and air of the second air source is used for being introduced into the driving part; under the condition that the air temperature of the first air source is lower than the air temperature of the second air source, the driving part is in a first driving mode of enabling air in the mounting cavity to flow to the driving part; and under the condition that the air temperature of the first air source is higher than the air temperature of the second air source, the driving part is in a second driving mode of enabling the air at the driving part to flow into the mounting cavity. Through the technical scheme provided by the invention, the technical problem that the heat dissipation equipment for the magnetic suspension motor in the prior art is relatively large in size can be solved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Novel energy storage system based on phase change characteristics of carbon dioxide and operation method of novel energy storage system

The invention provides a novel energy storage system based on carbon dioxide phase change characteristics and an operation method thereof. The novel energy storage system comprises an air compression process, a propane cold energy storage process, a carbon dioxide expansion power generation process, a heat energy loop and a cold energy loop. The volume utilization rate of the storage tank is remarkably increased, the construction cost is reduced, the system efficiency is greatly improved through cold energy gradient utilization, and the expansion power generation process is efficient and stable.
Owner:NORTHEAST ELECTRIC POWER DESIGN INST CO LTD OF CHINA POWER ENG CONSULTING GRP

A purification device with anti-blocking structure for sewage treatment

The present application discloses a kind of purification equipment with anti-blocking structure for sewage treatment, and it relates to the technical field of sewage treatment, comprising purification mechanism, conveying mechanism is installed on one side of the purification mechanism, the end of the conveying mechanism is provided with floating mechanism, the surface of the floating mechanism is installed with outer support mechanism, the inside of the floating mechanism is provided with pulse impurity removal mechanism.The purification equipment with anti-blocking structure for sewage treatment blocks large easily clogged impurities from entering the equipment, protecting the purification equipment from being clogged.The counterweight prevents the water suction cylinder from deviating and reduces the purification efficiency.The float can ensure that the water suction cylinder works within a certain depth.Large impurities and flocculent impurities are intercepted outside the equipment.The sand cone plate prevents sand particles from entering the equipment.The spiral groove and auxiliary rotating part accelerate the water suction speed.When impurities accumulate too much, the accumulated impurities are flushed out of the sieve groove by pulse flow.The sand cone plate vibrates to make sand particles fall off.
Owner:绿保环境(安徽)集团有限公司

Method for improving dustpan filling rate of bucket elevator

The invention relates to a method for improving the dustpan filling rate of a bucket elevator. The method comprises the steps that dustpan filling images and equipment data are obtained in real time through a sensor network; transmitting the data to an edge AI calculation unit, performing millisecond-level reasoning by using a lightweight convolutional neural network model, estimating a filling rate in real time and identifying a material type; based on a reasoning result, dynamically and cooperatively adjusting operation parameters, including changing the geometric volume of the deformable intelligent winnowing pan through a micro driving mechanism, adjusting the speed of the elevator and controlling a feeding auxiliary device, and continuously optimizing decision logic of the system by a digital twin model, according to the model, an optimization strategy set is generated in advance through discrete element simulation and a Bayesian optimization algorithm, and the system has a maintenance function of predicting performance degradation by analyzing current and vibration data and can cooperate with upstream and downstream equipment to realize global energy efficiency optimization; according to the scheme, the problem that the filling rate of a traditional elevator is unstable due to variable materials and fixed bucket types is solved, and self-adaptive precise control is achieved.
Owner:SHANGHAI PRECISION DOSING & WEIGHING SYST CO LTD

Method and system for on-line performance evaluation of combined cycle units

PendingCN122241200Ashorten the timeAvoid unplanned outagesBiological models
This invention discloses an online performance evaluation method and system for combined cycle power units, relating to the field of data evaluation, including the following steps: Step 1: Identify and acquire the operating setting parameters related to combustion of the gas turbine, the operating setting parameters related to power generation of the steam turbine, and the real-time power generation data of the unit within a preset monitoring period; Step 2: Process the real-time power generation data based on preset power generation fluctuation characteristic indicators, extract the power generation fluctuation characteristics within the current monitoring period, compare the power generation fluctuation characteristics with preset normal fluctuation thresholds, and determine whether there are abnormal power generation fluctuation characteristics; continuously collect key operating settings and power generation data of the gas turbine and steam turbine within a preset period, and automatically identify abnormal power generation fluctuations based on feature matching indicators, perform continuous state evaluation, and immediately start the analysis process once abnormal characteristics are detected, greatly shortening the time from the occurrence of an anomaly to its recognition.
Owner:CHINA ENERGY CO LTD

Ejecting mechanism in drawing process and local stress releasing device

The utility model relates to the technical field of die forming, in particular to a deep drawing process ejection mechanism and a local stress release device, and the deep drawing process ejection mechanism comprises a mounting component, a pushing component, a pushing component, a pushing component, a pushing component, a pushing component, a pushing component and a pushing component, and the mounting component comprises a mounting base and a cambered surface arranged on the mounting base; the jacking component comprises a jacking assembly mounted on the mounting base, a linkage assembly arranged on the jacking assembly and a supporting assembly mounted on the linkage assembly, by arranging an air cylinder, a guide rail, a sliding block and the like, formed products can be quickly and automatically jacked after the automobile plate is formed, workers can conveniently take the products, and the production efficiency is improved. The machining efficiency is improved, and the manufacturing cost is reduced.
Owner:SAIC GM WULING AUTOMOBILE CO LTD

Modularized leaf vegetable full-process automatic harvesting and processing integrated machine

The present application belongs to the leek automatic harvesting processing technical field, specifically relates to a modular leaf vegetable full-process automatic harvesting and processing all-in-one machine, including a vehicle frame and wheels installed on both sides of the vehicle frame, the front end of the vehicle frame is provided with a harvesting module, the center part of the vehicle frame is provided with a transmission module, the surface of the vehicle frame is provided with a cleaning module through a frame, and the tail end of the vehicle frame is provided with a micro-bubble cavitation fine cleaning machine box, five core processes of harvesting, conveying, three-stage cleaning, micro-bubble fine cleaning and preservation are integrated on a single self-propelled mobile platform, the barrier of traditional independent operation of each process is broken, the efficiency loss and quality deterioration of the manual transfer link are eliminated, and continuous assembly line operation from "field entry to finished product exit" is realized.
Owner:GUIZHOU UNIV OF ENG SCI

Speed reducer assembly for vehicle and vehicle with speed reducer assembly

The invention discloses a speed reducer assembly for a vehicle and the vehicle with the speed reducer assembly. The speed reducer assembly comprises a main shell; an accommodating cavity is formed in the main shell, and the accommodating cavity is provided with a first wall surface and a second wall surface which are spaced from each other; the first wall surface is provided with a containing cavity, the transmission gears are configured to be a plurality of mutually meshed transmission gears and are contained in the containing cavity, and the oil spraying nozzle is arranged on the first wall surface and is suitable for spraying oil towards the transmission gears; the oil blocking shell is contained in the containing cavity, and the oil blocking shell is arranged on at least part of the periphery of the transmission gear and located between the second wall face and the transmission gear. According to the designed speed reducer assembly, the oil blocking shell is arranged on at least part of the periphery of the transmission gear and located between the second wall face and the transmission gear, the transmission gear is prevented from making contact with the lubricating liquid at the bottom of the containing cavity, and therefore the situation that the lubricating liquid causes resistance to meshing teeth of the rotating transmission gear is avoided.
Owner:DEEPAL AUTOMOBILE TECH CO LTD

Knowledge segmentation retrieval method and device, equipment, medium and product

The embodiment of the invention provides a knowledge segmentation retrieval method and device, equipment, a medium and a product, and relates to the field of data processing.The method comprises the steps that a knowledge base is divided into a tree structure according to hierarchies, semantic routing is completed in cooperation with structured slot position information extracted from user query, and the semantic routing efficiency is improved. According to the method, accurate reduction of the retrieval range from the full knowledge base to the files in the target node is realized, traversal retrieval of the content of the full base is not needed any more, the calculation complexity of retrieval is reduced, meanwhile, the retrieval process can accurately match the actual business intention of user query by relying on constraints such as the business field and the classification level of slot position information, and the user experience is improved. According to the method, cross-domain irrelevant retrieval and mistaken recall conditions are reduced, and then mixed retrieval and reordering are only carried out for candidate files of which the range is reduced, so that efficiency loss caused by massive data calculation is reduced, the problem of precision reduction caused by semantic fuzzy matching in full-amount retrieval is avoided, and the retrieval efficiency is improved. The problems of precision degradation and insufficient efficiency caused by data scale increase are solved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD +1

Intelligent traffic signal lamp emergency linkage control method and system

ActiveCN122050173BGuaranteed pertinenceOvercome the problem of not being able to accurately select intersections that require intervention
The application belongs to the technical field of traffic signal control, and specifically discloses an intelligent traffic signal lamp emergency linkage control method and system, which comprises the following steps: real-time receiving of task work order data of emergency events, acquisition of event emergency degree, target arrival time limit and planned path; correction of the target arrival time limit based on the event emergency degree, prediction of the number of linkage intersections in combination with the historical average passing speed and the queuing length of the path, and determination of a candidate intersection set; real-time acquisition of the real-time queuing length and signal phase state of the candidate intersection from a road side sensing device, and screening of target intersections that actually require signal linkage; and sending of the target intersections to a signal machine for subsequent control. The application adjusts the dynamic linkage range driven by the emergency degree, and accurately screens the target intersections that actually require signal linkage in combination with the real-time road conditions, thereby effectively reducing the impact of emergency priority control on traffic and further guaranteeing the passing efficiency of emergency vehicles.
Owner:SHANDONG JINQIAO SECURITY EQUIP CO LTD

Capacitive wireless charging portable gas detector

The invention provides a capacitive wireless charging portable gas detector which comprises a charging base, the charging base is matched with the portable gas detector, a power circuit, a control circuit and a first coupling electrode plate are arranged in the charging base, and the power circuit and the control circuit are both connected with the first coupling electrode plate. The control circuit generates a high-frequency PWM signal as a driving signal of the first coupling electrode plate; a second coupling electrode plate, a charging circuit and a battery are arranged in the portable gas detector, the second coupling electrode plate is matched with the first coupling electrode plate, the second coupling electrode plate and the first coupling electrode plate which are close to each other form a two-pole structure of a capacitor, the second coupling electrode plate induces to generate charges, and the charging circuit is connected with the battery. And the second coupling electrode plate is connected with the battery through the charging circuit. The coupling electrode plate is used for replacing an inductor, and no large inductor exists in the inductor; the coupling electrode plates in the portable gas detector are separated from each other and cannot form capacitance, so that the difficulty of intrinsic safety explosion-proof design of the whole detector is reduced, the equipment safety is improved, and the service life of a portable instrument is prolonged.
Owner:HENAN HANWEI ELECTRONICS

Heavy duty telescopic soft ground tailings pit filling conveyor

The application discloses heavy telescopic soft ground tailing pit filling conveyor, including fixed frame, telescopic frame, power roller, first motor, first speed reducer, V-shaped support, fixing bolt, inclined support roller, first support roller, conveying belt, limit rod, hydraulic push cylinder, counterweight bottom plate, hydraulic station, fixed support, winding roller, second motor, second speed reducer, inclined support, steel wire rope, bearing plate, hydraulic top cylinder and connecting seat, the fixed frame is rotatably connected with power roller, third deflector and fourth deflector, the fixed frame is slidably connected with telescopic frame, the telescopic frame is rotatably connected with first deflector and second deflector, the heavy telescopic soft ground tailing pit filling conveyor is designed, and the pit filling material is centrally conveyed to the pit by V-shaped conveying belt, compared with the conventional mode of vehicle transfer and forklift pushing, the efficiency loss caused by multi-link cooperation is eliminated, and the material accumulation at the edge of the pit is effectively avoided.
Owner:HEBEI PENGYU METALLURGY MASCH MFG CO LTD

Aluminum tapping control method and device based on electrolysis mechanism and machine learning

This invention discloses a method and apparatus for controlling aluminum output based on electrolysis mechanism and machine learning, relating to the field of aluminum electrolysis technology. Its main objective is to solve the problems of low stability and accuracy in aluminum output control. The method primarily includes acquiring real-time physicochemical parameters of the target electrolytic cell, electrolytic cell task description information, and multi-dimensional key parameter time series; performing prediction processing on the electrolytic cell task description information and the key parameter time series using an aluminum output prediction model to obtain a multi-model fusion prediction value; determining the real-time operating state based on the real-time physicochemical parameters, and calculating the theoretical aluminum output using a mechanism model based on the real-time physicochemical parameters; determining the target aluminum output based on the predicted value, the theoretical aluminum output, and the real-time operating state, so that the control system performs production control based on the target aluminum output. It is mainly used to control the aluminum output during the aluminum electrolysis production process.
Owner:YUNNAN ALUMINUM

Address remapping apparatus, method and processor

ActiveCN122114023BReduce efficiency lossSmall area overhead
The application discloses an address remapping device, method and processor, and the device comprises: a first calculation module which takes the complement of the low L bits of an original logical address to obtain a complement result; a second calculation module which dynamically obtains an offset correction value which keeps the order of an output channel group according to the original logical address; a third calculation module which determines the base address offset across the input channel group; a fourth calculation module which performs summation and one addition operation on the complement result and the offset correction value, and extracts the low L bits to obtain a local logical address; and finally, an address composition module which adds the local logical address and the base address offset to generate a target logical address corresponding to the original logical address. In the memory access path, the application can efficiently realize the 180° rotation of the convolution kernel at the hardware level through additional processing of the address, so as to fundamentally eliminate the efficiency loss caused by the software rotation.
Owner:SHANGHAI BIREN TECH CO LTD

Turnover assembly type slope temporary supporting device and use method

PendingCN122728295AShorten the full cycle construction periodReduce efficiency loss
The application discloses a kind of turnover assembly type slope temporary support device and use method, device includes the slope top unit, slope surface unit and slope foot unit sequentially spliced along the longitudinal direction of slope, form continuous assembly type support surface.Slope top unit integrates penetration type water stop, slope top plate, hoop, plate seat, railing and fender, realize slope top water interception and edge protection synchronous completion;Slope surface unit uses L-shaped staggered occlusal connection's slope on plate and slope middle plate, and is provided with drain with filter screen;Slope foot unit includes slope foot plate and standardization drainage ditch occlusal connection with slope middle plate.The application uses the construction method of first support and then dig, layered assembly, full assembly profile installation is formed, without maintenance;Integrated full-process closed-loop drainage system, solve the problem of slope instability caused by drainage lag;All components can be detached and reused, meet the requirements of green construction.The application is especially suitable for temporary support of small prismatic base pit such as pipe trench, elevator shaft, sump.
Owner:CHINA FIRST METALLURGICAL GROUP

Method and system for regulating comprehensive energy system of traffic logistics facility

The application provides a comprehensive energy system regulation method and system considering traffic logistics facilities, and belongs to the technical field of comprehensive energy system regulation. The method comprises the following steps: encoding the driving and charging states of an electric truck, setting minimum duration constraints and state mutual exclusion constraints of the driving state and the charging state based on the encoding result to determine the working state of the electric truck, determining the actual power consumption of the electric truck to construct an average field game theory model, converting the theoretical model into a neural network parameterized representation of a federal learning algorithm, determining global model parameters through local training and parameter aggregation, training an electric truck distributed collaborative scheduling model based on federal average field game through a deep average field Actor-Critic algorithm; inputting real-time state observation data into the model to generate optimal scheduling decisions, including optimal route selection and optimal charging power. The application improves the real-time performance, accuracy and efficiency of comprehensive energy system scheduling.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO

A gate valve body wax mold forming mold system

ActiveCN224508389UReduce waste splashReduce efficiency lossCasting moldCooling pipe
The application belongs to the field of casting molds and provides a gate valve body wax mold forming mold system, which comprises a frame, a mold, a sediment tank, a wax injection pipe and a cooling pipe. The frame forms a mold receiving table plate and a surrounding edge standing on the mold receiving table plate, the surrounding edge extends along the edge of the mold receiving table plate and forms a one-side notch; the mold is placed on the mold receiving table plate and forms a mold cavity for forming a target wax film and a wax injection opening communicated with the mold cavity; the sediment tank is arranged side by side with the frame and forms a top-open containing cavity, the containing cavity is connected to the cavity formed by the surrounding edge and the mold receiving table plate through the notch, the wax injection pipe is connected to the frame and is used for injecting wax into the mold cavity through the wax injection opening, and the cooling pipe is connected to the frame and is used for spraying a cooling medium on the mold.
Owner:RUIAN SANXING ANTISEPSIS FOUNDRY FACTORY

Rotary automatic glaze spraying device for cast iron kitchenware capable of preventing glaze surface from sagging

PendingCN121869636ASolve the accumulationSolve the problem of uneven coverageSpraying apparatusLinear motionMaterials science
The invention relates to the technical field of glaze spraying devices, in particular to a rotary automatic glaze spraying device for cast iron kitchenware and capable of preventing glaze sagging. The invention provides a self-adaptive solution which is low in cost and high in reliability to solve the technical problems that when an existing automatic spraying device treats a workpiece with a complex curved surface, the spraying distance and the spraying angle are mismatched due to fixed parameters, and sagging or bottom leakage is likely to be caused. The device comprises a mechanism for conveying and rotating workpieces, and a self-adaptive spraying component consisting of a spray head assembly, a guide assembly and a reference assembly. A rotating sample consistent with a workpiece is used as a reference, a detection rod tightly attached to the sample is used for sensing the contour in real time, and the linear motion of the detection rod is synchronously transmitted to a spray head in a delay-free mode through a closed hydraulic transmission mechanism. Therefore, the multiple spray heads are driven to always automatically keep the optimal constant distance and vertical angle with the surface of the rotating workpiece in the spraying process, and constant-distance shape follow-up spraying is achieved.
Owner:ZHAOQING YIGAOWEI KITCHENWARE TECH CO LTD