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82results about How to "Guarantee efficiency" patented technology

Edge end large language model reasoning acceleration method and accelerator

The invention relates to the technical field of network acceleration, and discloses an edge-end large language model reasoning acceleration method and accelerator, and the method comprises the following steps: reconstructing a calculation process of a decoding stage, and carrying out the deep fusion of a multi-head attention mechanism and the calculation operation of a feedforward network; the weight and key value data are stored in HBM, and the coefficient and the accumulated attention score are stored in DDR; for linear matrix calculation, a unified matrix calculation unit is used for executing multi-precision matrix operation; for nonlinear function calculation, a mathematical transformation and linear fitting method is adopted, a Softmax function is converted into operation with 2 as the bottom through a bottom conversion formula, and truncation and third-order linear fitting are conducted on a Sigmoid function; and constructing a key value screening algorithm based on the accumulated attention score, dynamically adjusting a key value storage position, maintaining a recent key value cache region and an important key value cache region in a limited cache space, and realizing key value efficient cache in long text reasoning.
Owner:CENT SOUTH UNIV

Forklift battery charging cabinet

The utility model provides fork truck battery charging cabinet, through setting open type charging bin in the front side of cabinet body, can fast insert battery into charging bin when charging, convenient operation, set up charger group and control module in the rear side hidden mode of cabinet body, and open the cabinet door at rear side to carry out maintenance operation to charger group and control module, each module layout is reasonable, and charging and maintenance operation are convenient, appearance is simple and elegant, and the practicality is good, solves the technical problem that the existing technology has, charging bin charging operation process is inconvenient, and maintenance operation is inconvenient to the charger and control system, and the rationality of module layout is also relatively lacking.
Owner:ZHEJIANG XINNUOLI POWER TECH CO LTD

A method and electronic device for detecting transmission parameters of through-silicon vias (TSVs).

This application discloses a method and electronic device for detecting transmission parameters of through-silicon vias (TSVs), applied in the field of integrated circuit technology. The method includes: determining whether the total length of the TSV to be tested is greater than a preset first length; if so, dividing the TSV into multiple via segments such that the length of each segment is no greater than the first length; if not, treating the TSV as a TSV composed of single-segment vias; for each via segment, obtaining the pad capacitance, via pillar capacitance, anti-pad capacitance, via inductance, and via resistance of the via segment using preset parameter calculation rules, and constructing an equivalent circuit model of the via segment; cascading the equivalent circuit models of each via segment of the TSV to form an equivalent circuit model of the TSV, and performing transmission parameter detection on the TSV. Applying the scheme of this application can effectively determine the transmission parameters of the TSV, improving efficiency and ensuring the accuracy of the scheme.
Owner:SHANDONG YUNHAI GUOCHUANG CLOUD COMPUTING EQUIP IND INNOVATION CENT CO LTD

Material nozzle structure of filling machine

The utility model discloses a material nozzle structure of a filling machine, and particularly relates to the field of material nozzles, the material nozzle structure comprises a filling blanking nozzle, a cut-off assembly I is arranged in the filling blanking nozzle, a blanking nozzle cavity is fixedly arranged at the top of the cut-off assembly I, a self-cleaning mechanism is arranged at the top of the blanking nozzle cavity, and the self-cleaning mechanism is arranged at the bottom of the blanking nozzle cavity. A discharging pipe is arranged on one side of the discharging nozzle cavity in a penetrating mode, a second cutting-off assembly is arranged outside the discharging pipe, a check valve is arranged in the discharging pipe, and a feeding port is formed in one end of the discharging pipe in a penetrating mode. According to the utility model, the problem that honey is adhered to the blanking nozzle cavity and the filling blanking nozzle can be effectively solved, residual honey in the blanking nozzle can be automatically removed, blockage caused by drying and crystallization of the honey is prevented, and the pollution problem caused by bacteria breeding due to long-time residual honey in the blanking nozzle cavity and the filling blanking nozzle is prevented; meanwhile, the downtime caused by cleaning is remarkably shortened, the sanitary risk of the downtime caused by cleaning is remarkably reduced, the continuous production efficiency and the sanitary safety of products are guaranteed, and cross contamination is avoided.
Owner:SHOUGUAN (CHANGZHOU) INTELLIGENT TECH CO LTD

Quantitative discharging structure for shot blasting machine

The utility model discloses a quantitative blanking structure for a shot blasting machine, and relates to the technical field of shot blasting machines. The shot blasting device comprises a shot blasting device body, a weighing device is arranged on the left side of the shot blasting device body, a support is installed at the bottom of the weighing device body, connecting plates are fixedly connected to the front face and the back face of the shot blasting device body, the shot blasting device further comprises a quantifying part, and the quantifying part is installed above the weighing device body and used for quantitatively adding shots; and the feeding part is mounted at the bottom of the weighing device, and the feeding part is used for conveying the pellets into the shot blasting device. According to the shot blasting device, the quantitative part is arranged, specifically, the pellets are placed in the storage tank, the generated gravity can be pressed on the weighing device through the fixing ring, so that weighing is carried out, the required pellet dosage is determined, the pellet dosage is prevented from being too large or too small by adjusting the dosage, the efficiency and the effect of shot blasting treatment are guaranteed, and the shot blasting efficiency is improved. And the bottom of the storage tank is sealed through the sealing ring, so that the weighing precision can be improved.
Owner:XINJIANG XINDA HUAYANG CONSTRUCTION ENGINEERING CO LTD

Aviation spray auxiliary agent for improving rain wash resistance of plant protection fog drops and application of aviation spray auxiliary agent

The invention discloses an aviation spray auxiliary agent for improving the rain wash resistance of plant protection fog drops and application of the aviation spray auxiliary agent. The invention provides a composition for plant protection aviation spraying. The composition comprises sodium dodecyl benzene sulfonate and polyethylene glycol monostearate. The invention also provides a plant protection aviation spray auxiliary agent which comprises the composition. The plant protection aviation spray auxiliary agent provided by the invention can significantly improve the rain wash resistance of fog drops on crop leaves during aviation pesticide application, thereby solving the key problems that the window period of pesticide application in rainy seasons in the south is short, and the pesticide liquid is very easy to wash away by rain water due to frequent heavy rainfall.
Owner:ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI

Fabricated steel structure and mounting method

The invention relates to the technical field of the building industry, and discloses a fabricated steel structure and an installation method, the fabricated steel structure comprises frame columns and frame beams, and the frame columns and the frame beams are connected in a matched mode; the modular node units are detachably connected with the frame columns and the frame beams respectively; the modularized joint unit comprises a first connecting plate and a second connecting plate, the sides, deviating from each other, of the first connecting plate and the second connecting plate are suitable for being connected with one ends of the adjacent frame columns correspondingly, and a box type steel column section is arranged between the first connecting plate and the second connecting plate; the two ends of the box type steel column section are connected with the first connecting plate and the second connecting plate correspondingly. The modularized joint units are further provided with I-shaped steel beam ends, and the two I-shaped steel beam ends are connected with the two ends of the box type steel column section respectively in the extending direction of the frame beam.
Owner:CHINA CONSTR STEEL STRUCTURE ENG CO LTD

A Mo-WO3 and Bi-WO3 layer-by-layer composite electrochromic thin film and its preparation method

This invention relates to a layer-by-layer composite electrochromic thin film of Mo-WO3 and Bi-WO3 and its preparation method. The method includes: dissolving tungstic acid in hydrogen peroxide solution to obtain a peroxytungstic acid solution; adding a Bi-containing substance to the peroxytungstic acid solution and heating until the Bi-containing substance is completely dissolved to obtain a bismuth-doped peroxytungstic acid sol; adding a Mo-containing substance to the peroxytungstic acid solution and heating until the Mo-containing substance is completely dissolved to obtain a molybdenum-doped peroxytungstic acid sol; spin-coating the bismuth-doped peroxytungstic acid sol onto a conductive glass substrate and calcining to obtain a bismuth-doped WO3 thin film; and spin-coating the molybdenum-doped peroxytungstic acid sol onto the bismuth-doped WO3 thin film and calcining to obtain a Mo-WO3 / Bi-WO3 thin film. This invention employs a layer-by-layer composite structure design. The Bi-WO3 bottom layer significantly enhances the film-substrate adhesion and improves cycle stability; the Mo-WO3 surface layer ensures high optical modulation rate, fast response, and memory effect, achieving a synergistic performance improvement.
Owner:ZHENGZHOU UNIV

Data reporting method of photovoltaic cleaning robot, photovoltaic cleaning robot and system

The invention discloses a data reporting method of a photovoltaic cleaning robot, the photovoltaic cleaning robot and a system, and belongs to the technical field of robot communication. The data reporting method of the photovoltaic cleaning robot comprises the steps of determining a relay robot in a plurality of adjacent robots under the condition that a communication link with a server is detected to meet a triggering condition, and establishing a near field communication link with the relay robot; determining a relative position relation with the relay robot; based on the relative position relation, the motion state of the robot itself is adjusted, so that the robot itself moves along with the relay robot in the mobile operation environment, and the communication stability of a near field communication link is kept; and sending the to-be-reported data to the relay robot through the near field communication link, so that the relay robot uploads the to-be-reported data to a server. Through stable near field communication between the photovoltaic cleaning robots, the data of the photovoltaic cleaning robots can be timely and completely reported to the server.
Owner:SUNPURE TECH CO LTD

Intelligent lifting type culture net cage integrating environment sensing and adaptive depth adjustment

PendingCN122250406AImprove wind and wave resistancestable vertical liftPisciculture and aquariaMarine cultureBuoyancy regulation
The application discloses an intelligent lifting type culture net cage integrated with environment sensing and adaptive depth adjustment, and belongs to the technical field of marine culture devices. The net cage main body comprises main columns and a net cover. The main columns are provided in plurality. A connecting rod is arranged between the side portions of two adjacent main columns. The periphery of the net cover is supported and tensioned by the main columns to form a closed culture space. A buoyancy adjusting mechanism is connected with the bottom of the main column and is used for adjusting the overall buoyancy of the net cage main body to vertically lift. A mooring positioning mechanism is connected with the buoyancy adjusting mechanism and is used for anchoring the net cage main body in a predetermined sea area and adapting the vertical lifting movement of the net cage main body. An environment sensing module is installed on the net cage main body. An intelligent control module is electrically connected with the environment sensing module and the buoyancy adjusting mechanism. The intelligent control module is internally provided with a decision algorithm, is used for receiving the data collected by the environment sensing module, and outputs a control instruction to the buoyancy adjusting mechanism according to a preset strategy to adaptively adjust the water depth where the net cage main body is located.
Owner:HUANENG CLEAN ENERGY RES INST +2

A water-saving central water treatment device

ActiveCN224430412UEasy to limitEasy to cancel the limitActivated carbonMechanical engineering
This utility model relates to the field of central water treatment technology, specifically a water-saving central water treatment device, including a discharge box. An inlet is fixedly connected to the top of the discharge box, and a filter plate and an activated carbon honeycomb plate are arranged inside the discharge box. A dosing port and a drain port are fixedly connected to the surface of the discharge box. This utility model utilizes the movement of a plug within a first fixed block, coupled with a first spring, to allow the plug to engage and disengage with a slot. This facilitates the limiting and releasing of the connecting plate, and allows the mounting frame to slide in and out. The opening of the sliding groove and the setting of the slider facilitate the installation and removal of the filter plate and activated carbon honeycomb plate. This allows for convenient cleaning and replacement of the filter plate and activated carbon honeycomb plate during water treatment, ensuring the filtration and adsorption effects of the filter plate and activated carbon honeycomb plate, thereby guaranteeing the quality and efficiency of water treatment and reducing water loss.
Owner:HENAN YONGJIN ENVIRONMENTAL PROTECTION TECH CO LTD

Multi-agent system and method for Simulink modeling in aviation field

The invention relates to a multi-agent system and method for Simulink modeling in the aviation field. The existing automatic modeling method for Simulink modeling in the aviation field highly depends on hard coding, converts formalized requirements into model design, and has the defects of high development cost, dependence on expert knowledge, incapability of automatic verification, no support of a third-party library and the like. According to the multi-agent system provided by the invention, a plurality of expert agents are integrated and designed and workflows are strictly arranged, so that the design, implementation and verification processes of Simulink modeling in the aviation field are fully automated. With reference to abstract drawings, the whole system comprises a model designer, a test review device, a model builder, an execution and debugger, a report compiler and an Agent RAG subsystem, and different sub-modules depend on large model capability and a context management strategy to collaboratively complete tasks in a specific process. Compared with a traditional automatic modeling technology, the system and the method have the advantage that the modeling flexibility and efficiency are greatly improved.
Owner:XIAN FLIGHT SELF CONTROL INST OF AVIC

Grass cutting and kneading equipment for livestock breeding

The utility model discloses grass cutting and kneading equipment for livestock breeding, and relates to the technical field of livestock trough processing. Comprising a mounting bracket, the mounting bracket is provided with a processing mechanism for animal husbandry edible weeds, and the processing mechanism is characterized in that a hay cutter is inserted into a clamping groove in the outer side of a first mounting block through a clamping block, then a second bolt is rotated to mount and dismount the hay cutter, and when the hay cutter is abraded or damaged, the hay cutter can be mounted and dismounted. The second mounting block is arranged on one side of the first mounting block, a plurality of groups of hay cutting knives can be mounted, the distance between hay cutting grooves can be controlled, a plurality of groups of hay cutting knives can be mounted, and the distance between the hay cutting knives can be accurately controlled by adjusting the clamping positions of the hay cutting knives on the clamping grooves; the distance is increased when thick and hard forage is processed, the distance is reduced when thin and soft forage is processed, it is ensured that the best forage cutting effect is achieved, and the adaptability of the equipment to different kinds of forage is improved.
Owner:JIUQUAN XINGSHENG AGRICULTURE & ANIMAL HUSBANDRY TECHNOLOGY CO LTD

A shallow-buried bias layered soft rock tunnel support scheme generation method and system

The application provides a shallow-buried bias layered soft rock tunnel support scheme generation method and system, relates to the tunnel support technical field, and comprises the following steps: acquiring multi-source monitoring data and construction parameters in tunnel construction in real time; intelligently identifying and processing the large deformation grade of the tunnel based on the data, extracting visual features from the image of the tunnel face, fusing and comprehensively analyzing the visual features, surrounding rock pressure, support structure internal force, deformation around the hole, distributed strain and construction parameters, and obtaining the large deformation grade of the current section; based on the large deformation grade, multi-source monitoring data and construction parameters, performing case retrieval on a preset support knowledge base to obtain a candidate support scheme set for the current working condition; and performing decision selection processing on the candidate support scheme set to select the scheme with the highest current benefit as the optimal support scheme. The application improves the control ability and decision efficiency of large deformation risk in shallow-buried bias layered soft rock tunnel construction.
Owner:SOUTHWEST JIAOTONG UNIV

A double single-hook anti-bottom structure combined fish hook and fish bait

PendingCN122250433ASolve the problem of easy decouplingstable stateFish-hooksBaitZoologyMechanical engineering
The application discloses a double-single-hook anti-bottom-hanging structure combined fish hook and bait, and relates to the technical field of fishing gear, comprising: a hanging ring, a first fish hook, a second fish hook and a detachable connecting sleeve; wherein the hook handle ends of the first fish hook and the second fish hook are movably connected in the hanging ring, the detachable connecting sleeve is movably sleeved between the hook handles of the first fish hook and the second fish hook, and is used for folding the hook heads of the first fish hook and the second fish hook to the outside of the middle part of the bait body. The application has low manufacturing cost, the combined fish hook can be connected with soft glue and hard plastic simulation baits of different styles, has strong universality, is easy to mass produce and popularize and apply, and comprehensively improves the use defects of the traditional simulation bait fish hook structure, and greatly improves the overall experience and fishing effect of the lure fishing.
Owner:ANHUI JINQUAN FISHING TOOLS CO LTD

Low-temperature slow charging control method for pure electric vehicle

PendingCN121989724Aprevent overcurrentAvoid over-discharge failureCharging stationsVehicular energy storagePower flowElectrical battery
The invention relates to the technical field of electric vehicles, and discloses a low-temperature slow charging control method for a pure electric vehicle, which comprises the following steps of: in response to a low-temperature slow charging starting signal, acquiring the current charge state and the current temperature of a battery by a battery management system; if the current charge state is lower than a preset charge threshold value and the current temperature is lower than a preset temperature threshold value, the battery management system sends a maximum allowable discharge power limit value to the vehicle control unit; and the vehicle control unit receives the maximum allowable discharge power limit value, and limits the initial operation power of the battery heating device based on the maximum allowable discharge power limit value, so that the power extracted from the battery by the battery heating device does not exceed the maximum allowable discharge power limit value. According to the invention, power flow among the vehicle control unit, the battery management system, the vehicle-mounted charger and the heater can be managed cooperatively, and over-current and over-discharge faults of the battery are strictly avoided while the low-temperature heating requirement is guaranteed.
Owner:CHONGQING CHANGAN KUAYUE AUTOMOBILE

Cigarette pack extraction apparatus and method

The application relates to a cigarette packet extracting device and method. The cigarette packet extracting device comprises a first mounting bracket, a driving mechanism, a crank, a connecting rod and an executing mechanism. The first mounting bracket is used for mounting on the rack of a cigarette packet extracting conveying belt. The driving mechanism is mounted on the first mounting bracket. The driving mechanism is in driving connection with the crank, and the connecting rod is in driving connection with the crank. The executing mechanism comprises a hook hand which is in driving connection with the connecting rod so that the driving mechanism drives the hook hand to reciprocate through the crank and the connecting rod. The cigarette packet extracting device and method have the advantages of high stability, long service life and high machining precision.
Owner:CHINA TOBACCO SICHUAN IND CO LTD

A method and system for flight testing and evaluating the field of view of a large amphibious aircraft cockpit

This invention belongs to the field of flight test technology and discloses a method and system for flight testing and evaluation of cockpit visibility for large amphibious aircraft. It includes three flight test subjects: cockpit visibility, cockpit glare reflection, and loss of visibility through a single main windshield. This invention solves the problem of the lack of rigorous cockpit visibility flight tests and evaluations for large amphibious aircraft, reducing flight test risks and improving flight test efficiency.
Owner:CHINA NATIONAL AIRCRAFT GENERAL AVIATION CO LTD

Cooling liquid collecting cover for plant negative pressure extraction machine

The utility model discloses a cooling liquid collecting cover for a plant negative pressure extractor, which relates to the technical field of plant extraction and comprises a hinge, an extraction box for extracting plant juice under negative pressure is arranged on the hinge, and the cooling liquid collecting cover further comprises a covering mechanism connected with the hinge, a covering mechanism is arranged in the extraction box and used for opening or closing the extraction box and cooling extraction steam, the covering mechanism comprises a fixing ring fixedly connected with the hinge, an arc-shaped cooling shell is fixedly connected to the lower portion of the fixing ring, a hollow shell is fixedly arranged on the upper portion of the fixing ring, and a cooling component is arranged in the hollow shell. And the cooling part is used for cooling the arc-shaped cooling shell, a fixing plate is integrally arranged on the hollow shell, and air holes are formed in the fixing plate. The cooling liquid collecting cover for the plant negative pressure extractor is convenient for condensing plant extraction steam extracted at high temperature, so that the plant extraction efficiency is improved.
Owner:NANTONG ZHAOXI MACHINERY EQUIPMENT MANUFACTURING CO LTD

Federal learning-driven cross-mine intelligent risk identification method

The invention provides a federated learning-driven cross-mine intelligent risk identification method. Comprising the steps of mine multi-source operation image collection and mine risk event data set construction, mine intelligent risk perception and event recognition model construction, federated learning-based distributed mine risk model training and parameter optimization, model deployment and mine intelligent risk recognition. According to the method, through multi-layer feature coding and cross-scale collaborative modeling, the risk events of the key working area of the mine are accurately positioned and classified, and comprehensive identification of the risk events of the mine can be realized; federated learning and an adaptive sparse parameter communication method are adopted, cross-mine model training can be completed without concentrating original image data, and mine data privacy and distributed training efficiency are guaranteed; meanwhile, the comprehensive risk level of the whole image is generated in real time in combination with multi-event features and a global risk comprehensive evaluation mechanism, a direct quantitative decision basis is provided for mine safety management and instant early warning, and accuracy and operability are improved.
Owner:ZHALAI NUOER COAL IND CO LTD

A performance test system and method for a micro-arc oxidation product

ActiveCN121298576BAccurate matching of corrosion resistance levelsAvoid the problem of corrosion resistance level matching failureLinear potentialMicro arc oxidation
The application provides a performance test system and method of a micro-arc oxidation product, which comprises the following steps: obtaining a stable open circuit potential of the micro-arc oxidation product in an electrolyte solution at a preset temperature; taking the stable open circuit potential as a starting point, applying a linear potential signal to the micro-arc oxidation product, and determining a current inflection point of the micro-arc oxidation product corresponding to a micro-arc oxidation coating in an anode region in a potential signal scanning process; extracting an accelerated spectrum of a target environment for corrosion based on a coating integrity factor determined based on the current inflection point; placing the micro-arc oxidation product in a controllable environment box for accelerated corrosion exposure treatment based on the accelerated spectrum of the target environment, and determining a current degradation point of the micro-arc oxidation product corresponding to the micro-arc oxidation coating in the anode region after the corrosion exposure ends; and determining a corrosion resistance grade of the micro-arc oxidation product according to the current inflection point and the current degradation point. The technical scheme provided by the application can realize accurate matching of the corrosion resistance grade of the micro-arc oxidation product under accelerated corrosion test conditions.
Owner:SHENZHEN KARUI ENERGY SAVING TECH CO LTD

A cable tray straightening device

This utility model discloses a cable tray straightening device, which includes two symmetrically arranged clamps: a bolt rod is inserted through the inner cavity of each clamp, and a nut block is threadedly connected to the surface of the bolt rod; a bottom block is integrally formed at the bottom of each clamp, and a horizontal plate is provided at the top of each clamp; an ear block is integrally formed on the surface of the horizontal plate, and a bolt rod is threadedly connected to the inner wall of the ear block. This utility model uses the cooperation of the bolt rod and the nut block to fix the clamp to the side of the cable tray, and then uses the ear block and the bolt rod to fix the horizontal plate to the top of the clamp. Next, rotating the threaded rod causes the pressure plate to move downwards, pressing down on the arched cables. This achieves the goal of applying downward pressure to the arched cables at the cable tray's ramp, allowing the cables to return to the cable tray cavity, facilitating subsequent covering of the cable tray area, thereby ensuring the efficiency and effectiveness of the cable straightening process.
Owner:SHANDONG YUANZHEN ELECTRIC POWER TECH CO LTD

Coastal zone pollution cooperative monitoring and tracing platform based on intelligent unmanned aerial vehicle group

The invention discloses a coastal zone pollution cooperative monitoring and tracing platform based on an intelligent unmanned aerial vehicle group, and the platform is characterized in that the platform comprises a heterogeneous unmanned aerial vehicle group module which comprises a monitoring unmanned aerial vehicle, a sampling unmanned aerial vehicle, and a communication relay unmanned aerial vehicle, and has the dynamic task distribution capability; the multi-modal environment sensing module carries a multi-spectral sensor, an infrared thermal imager and a water quality sampling device; the collaborative decision-making and control module adopts an improved ant colony algorithm to realize dynamic path planning; the pollution source tracing analysis module is used for positioning a pollution source based on a space-time diffusion model and a Bayesian network; the self-organizing communication network module supports 5G / satellite dual-mode communication and dynamic topology reconstruction; and the edge-cloud collaborative computing architecture realizes fusion analysis of data real-time processing and deep learning.
Owner:JIANGSU OCEAN UNIV +1

A multi-stage powder vibrating sieve device

ActiveCN224423484UFully contactedMeet various granularity requirementsElectric machineMechanical engineering
This utility model relates to the technical field of powder vibrating sieving, and more particularly to a multi-stage powder vibrating sieving device. The utility model provides a multi-stage powder vibrating sieving device, including a dustproof shell, a feed plate, a discharge plate, a guide plate, a vibrating motor, and connecting blocks. The feed plate is slidably fitted onto the top of the dustproof shell, and a feed inlet is opened on the top of the feed plate. The discharge plate is fixedly connected to the front side of the dustproof shell, and the guide plate is fixedly connected to the bottom of the dustproof shell. Two vibrating motors are fixedly connected to the bottom of the guide plate. Four connecting blocks are fixedly connected in a rectangular array at the lower part of the dustproof shell. This utility model, by setting a multi-layer screen structure, can sieve materials into three different particle size grades in one go, meeting various particle size requirements. Under the linear reciprocating vibration generated by the vibrating motor, the material jumps along the screen surface, fully contacting the screen surface and improving sieving efficiency.
Owner:SHANGRAO SHUOXUAN REFRACTORY MATERIALS CO LTD

A grid-connected hybrid energy storage control system for an off-grid hydrogen production system

The application discloses a grid-connected type hybrid energy storage configuration of an off-grid hydrogen production system and a control method thereof, and relates to the technical field of renewable energy hydrogen supply. The system comprises a wind power generation unit, a photovoltaic power generation unit, a grid-connected type hybrid energy storage unit, an electrolytic cell unit and a controller. The wind power and the photovoltaic power generation are connected to an alternating current bus through a converter to provide renewable power for the system; the hybrid energy storage unit is composed of a super capacitor and a lithium battery, and is connected to the alternating current bus in a bidirectional mode through an energy storage converter; and the electrolytic cell is connected to the alternating current bus through an AC / DC converter. In the control method, the frequency of the alternating current bus is detected in real time, a frequency modulation dead zone is set, the super capacitor and the lithium battery are controlled to participate in frequency modulation adjustment in a time-sharing mode, and the frequency stability of the system and the continuity of electrolytic hydrogen production are ensured. The application has the advantages of fast frequency response capability, grid-connected operation capability and high-efficiency hydrogen production performance, and is suitable for the construction of green hydrogen energy systems in remote areas and in scenes without power grid access.
Owner:HUBEI GREEN POWER CO LTD

Rocker arm transmission device of small-angle side sewing machine

ActiveCN224077688UEliminate cumulative errorsReduce twisting resistanceLoop takersDrive shaftGear wheel
A rocker arm transmission device of a small-angle side sewing machine comprises an arm body unit which is provided with a vertical rocker arm body, an oblique arm body, a rocker arm head and a rocker arm cover, the vertical rocker arm body is rotationally supported through a rocker arm fixing sleeve, and the oblique arm body is connected with the vertical rocker arm body; the synchronous belt wheel power unit is arranged in an inner cavity of the vertical rocker arm body, and a driven wheel piece drives the shuttle support transmission unit; the gear positioning unit is arranged in the vertical rocker arm body; the shuttle support transmission unit comprises a shuttle support ball head transmission shaft, a shuttle support transmission gear piece and a transition gear; the needle plate transmission unit comprises a needle plate ball head transmission shaft and a needle plate transmission gear piece, and the needle plate ball head transmission shaft is connected with the gear positioning unit; the shuttle support piece is mounted between the rocker arm cover and the rocker arm head; and the shuttle assembly comprises an inner side shuttle and an outer side shuttle which are respectively matched with the needle plate transmission gear piece and the shuttle support piece. The utility model has the advantages that the design of the arm body unit is optimized, the sewing requirements of high-upper shoe products are met, and the working efficiency is improved; a gear meshing transmission mode is innovated, and transmission stability and reliability are improved.
Owner:CHANGSHU GREATRICH MACHINERY

Novel coal-bed gas well reinjection water device

ActiveCN224064329URealize limitRealize lifting limitFluid removalThermodynamicsFormation water
The utility model relates to the technical field of coal-bed gas wells, in particular to a novel coal-bed gas well reinjection device which comprises a box body, the box body comprises a water tank, a first water pump is fixedly installed at the top end of the water tank, one end of the first water pump is fixedly connected with the water tank through a pipeline, and the other end of the first water pump is connected with a water pumping pipe through a pipeline. A second water pump is fixedly installed at the bottom end of the water tank, and one end of the second water pump is fixedly connected with the water tank through a pipeline. The movable block moves on the inner side of the movable groove, and the elastic property of the first spring is matched, so that the inserting block can move along with the movable block and be inserted into and separated from the inserting groove, limiting and limiting releasing of the connecting plate can be achieved, and then fixing and separating of the filter plate and the water tank can be achieved; therefore, when impurity particles are accumulated on the filter plate, the filter plate can be conveniently taken out to be cleaned or replaced, and the filtering quality of the filter plate and the effect and efficiency of reinjection of formation water can be guaranteed.
Owner:FUKANG TONGYUAN NEW ENERGY TECH DEV CO LTD

Detection device and method for circulating pipeline in all-vanadium redox flow battery and monitoring host

This invention relates to the field of battery monitoring, specifically to a detection device, method, and monitoring host for the circulation pipeline in a vanadium redox flow battery. In this application, embodiments use first detection components at both ends of the circulation pipeline to collect electrolyte operating parameters in real time, accurately acquiring temperature data and solving the problem of missing temperature monitoring, providing a reliable basis for regulation. Secondly, the operating parameter signals are transmitted to the monitoring host in real time, allowing the host to flexibly execute regulatory operations, replacing the existing single adjustment method and achieving precise control of electrolyte temperature, ensuring battery efficiency and lifespan. Then, a second detection component around the circulation pipeline can monitor leakage status in real time, completely solving the problem of delayed leakage detection compared to manual inspections. Finally, upon receiving a leakage signal, the monitoring host synchronously executes regulatory operations, enabling timely handling of leaks and avoiding losses such as equipment corrosion and resource waste. This ensures pipeline operation from both temperature and leakage perspectives, improving battery operational stability.
Owner:HUADIAN ELECTRIC POWER SCI INST CO LTD

A plant maintenance method, device, equipment and storage medium

This invention discloses a plant care method, apparatus, device, and storage medium. The method includes: using an XR camera to acquire multiple frames of images of a target scene; for each frame, using a plant recognition model to determine several plant objects contained in the image, and using XR technology to determine the anchor point coordinates of each plant object; for each plant object, using a species recognition model to determine the target species, using a health detection model to determine the health status, and combining the target species and health status to determine care information; and through the XR camera's visual interface, based on the anchor point coordinates, responding to the user with the target species of the plant object, its health status, and care information. This solution provides users with rich and diverse plant care information in an intelligent, efficient, and accurate manner, and leverages XR technology to provide intuitive and convenient 3D interactive responses to relevant content, thereby effectively improving the user experience while ensuring efficiency and accuracy.
Owner:HANGZHOU RUISHENG SOFTWARE CO LTD