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50results about How to "Avoid overwriting" patented technology

Anti-blocking device for water outlet

The utility model discloses a water outlet anti-blocking device which comprises a base, a water drainage box body, a top seat, a movable plate, a threaded rod, a sliding rod, a movable plate and a motor, the base and the top seat are connected to the bottom and the top of the water drainage box body respectively, a plurality of base installation through holes are formed in the edge of the base, and a plurality of top seat installation through holes are formed in the edge of the top seat. An isolation grate is arranged in the middle of the top seat; the movable plate is installed in the drainage box body, shaft holes are formed in the upper portions of the two opposite side walls of the drainage box body respectively, threaded rods are installed in the shaft holes, and the two ends of the sliding rod are connected to the two opposite inner walls of the drainage box body respectively; a moving plate through hole and a threaded hole are formed in the two sides of the longitudinal face of the moving plate respectively, the threaded rod is installed in the threaded hole, and the sliding rod is arranged in the moving plate through hole in a penetrating mode. A motor is arranged on the outer wall of the drainage box body, and a rotating shaft of the motor is connected with the threaded rod. The drainage device can prevent sundries from covering the isolation grate and prevent the drainage pipeline from being blocked.
Owner:CHINA MCC 2 GRP CO LTD +1

Preparation method and application of porous iridium nano-metal catalyst

The invention discloses a preparation method and application of a porous iridium nano-metal catalyst, and belongs to the field of material synthesis and electro-catalysis. Iridium acetylacetonate and copper acetylacetonate are used as precursors, an IrCu alloy nanosphere precursor is prepared through solvothermal reaction in an ethylene glycol and surfactant system, copper is removed through acid etching, and the porous iridium nano spherical catalyst (Ir-NS) is obtained. The catalyst has a three-dimensional porous spherical structure, active sites are concentrated on the surfaces of nanospheres and the edges of the walls of internal mesopores, catalytic active sites are enhanced due to the iridium nanosphere structure and uniform site exposure density, oxygen bubbles are quickly released, and the active sites are prevented from being covered by the bubbles. In an acid medium and proton exchange membrane water electrolysis anode oxygen evolution reaction, the catalyst shows low overpotential and long-term operation stability under low iridium loading capacity. The method is simple in process and low in cost, does not need an additional hard template, and has a good industrial application prospect.
Owner:CHANGZHOU UNIV

Anti-buried wire forming die

The utility model discloses a prevent burying silk forming die, including bottom die. Die main part, first cover plate and second cover plate, die main part sets up on bottom die and is compatible with bottom die, is equipped with at least one screen card slot on die main part, and screen card slot is used to install screen, and a plurality of first magnet and second magnet are equipped with respectively in screen card slot front side and right side, is equipped with forming hole in screen card slot, first cover plate is detachably connected on die main part, is equipped with grouting groove on first cover plate, is equipped with at least one positioning hole in grouting groove, and positioning hole is set up with forming hole upside down, second cover plate sets up on first cover plate and is detachably connected with die main part, is equipped with grouting port on second cover plate, and grouting port is communicated with grouting groove. The utility model has can accurate positioning, can prevent screen deformation, can avoid screen being covered by grout when grouting, can effectively prevent burying silk phenomenon and so on.
Owner:DONGGUAN ORDOVICIAN NEW MATERIALS CO LTD

A comfortable, ventilated bicycle saddle

ActiveCN224409464USolve the problem of internal heat and moistureImprove the ride experienceMechanical engineeringMechanics
The utility model relates to a bicycle technical field discloses a comfortable and ventilative bicycle saddle, including the upright steel pipe, still include: pedestal, install in the top of upright steel pipe, link seat, rotation is installed in the front of pedestal, buckle assembly is installed respectively in the top rear side of pedestal and link seat bottom rear side for link seat and the locking and separation of pedestal, the installation groove is established in the middle part of pedestal top, install the air bag in the installation groove, and the left and right side exhaust port of air bag all are linked with corresponding vertical row mouth intercommunication, and vertical row mouth installs in the left and right side of pedestal top respectively. In the utility model, the air bag is extruded by the force of slightly lifting the hip of the rider and then sitting on the saddle, and the exhaust enters the middle position of the saddle, so that the gas flow effect between the saddle and the hip of the rider is generated, the problem of internal heat and damp caused by the heat gathering of the hip during long time riding is solved, and the riding experience is optimized.
Owner:CHANGWEIXIN (DONGGUAN) METAL TECH CO LTD

An air filter for pet stores

ActiveCN224586061Uavoid overwritingReduce the probability of direct contact with the main filter element
This utility model relates to the field of air filter technology, and more particularly to an air filter for pet shops. It includes an air filter body with a filter chamber inside, and a filter element within the filter chamber. The filter element includes a filter cartridge, and an arc-shaped mesh frame is fitted around the outside of the filter cartridge. An electrostatic mesh plate is connected to the inner side of the arc-shaped mesh frame. A quick-release plate is fastened to the opening of the filter chamber in the air filter body. This utility model adds a detachable arc-shaped mesh frame and an electrostatic mesh plate wrapped around the filter cartridge. The electrostatic mesh plate utilizes electrostatic properties to efficiently attract pet hair, forming the first line of defense. The outer structure undertakes the main task of hair interception, preventing the main filter cartridge from being completely covered by hair in a short period, significantly reducing the probability of hair directly contacting the main filter cartridge. A movable scraping ring fitted on the surface of the electrostatic mesh plate is provided, which, through a downward scraping action, concentrates the dispersed hair to the bottom.
Owner:GUANGZHOU YUANZHUANG FILTER CO LTD

Tail gas treatment device and semiconductor processing equipment

The utility model discloses a tail gas treatment device and semiconductor processing equipment, and the tail gas treatment device comprises a reaction cavity, the top of which is provided with a first through hole; a second through hole is formed in the bottom of the tail gas collecting pipeline, a third through hole is formed in the top of the tail gas collecting pipeline, the bottom of the tail gas collecting pipeline is detachably connected with the top of the reaction cavity, and the second through hole communicates with the first through hole; the cleaning scraping ring is positioned in the tail gas collecting pipeline; the first end of the telescopic air cylinder is fixedly connected with the cleaning scraping ring, and the telescopic air cylinder penetrates through the third through hole. The cleaning scraping ring is arranged in the tail gas collecting pipeline in the tail gas treatment device and fixedly connected with the telescopic air cylinder, that is, when the telescopic air cylinder moves, the cleaning scraping ring can be driven to move up and down in the tail gas collecting pipeline, then cleaning of the inner wall of the tail gas collecting pipeline is achieved, and the tail gas introduction amount in the tail gas collecting pipeline is increased; and the working efficiency of the tail gas treatment device is improved.
Owner:ZHEJIANG ICSPROUT SEMICONDUCTOR CO LTD

A cross-modal data processing system for safe operation of hydrogen refueling stations

PendingCN122286340AReduce labeling costshigh quality conversionData processing systemHandling system
This invention discloses a cross-modal data processing system for the safe operation of hydrogen refueling stations, including a raw data acquisition and processing module, a full-variable safety scanning module, a physical relationship coupling diagnosis module, an adaptive operating condition clustering module, a question-answer pair construction module, a hydrogen refueling station time-series command data acquisition module, and a fault type identification module. By constructing a three-layer semantic enhancement logic and model adaptation strategy, this invention effectively solves the technical problems in the prior art, such as the lack of supervision signals in the raw data of hydrogen refueling stations, the difficulty in identifying hidden faults under complex operating conditions, and the difficulty in adapting heterogeneous feature space models.
Owner:CHONGQING UNIV

A circulating drying apparatus for chicken feed

The utility model belongs to chicken feed drying technical field, concretely speaking is a kind of for the circulating drying equipment of chicken feed, including cylinder, discharge gate, lifting cylinder and driving shaft, the driving shaft is driven by motor, the lifting cylinder is fixedly connected on the driving shaft, the cylinder surface is provided with discharge gate, the cylinder side wall is fixedly connected with the ring, the ring is provided with filter plate, the end cover is fixedly installed in the cylinder top by lock catch, the motor is set on end cover, and the feed adhered to the surface of filter plate can be scraped by the scraping of the lever on the surface of filter plate, to avoid the filter screen being covered by wet feed, and dry knot condition is formed under the action of dryer, ensure that filter plate can normally filter, indirectly through drying efficiency.
Owner:HUBEI YANWEI ECOLOGICAL AGRICULTURE CO LTD

A network node state data trust algorithm determination method and system

ActiveCN122247758BIntegrity guaranteedMake up for the problem of being unable to know the kernel dynamic loading algorithm
The application provides a network node state data trusted algorithm determination method and system, the method comprises the following steps: the security state agent of each network node obtains the available security algorithm information of the local XFRM framework through a Netlink interface, and generates local state data with a unique node identifier and a version number; the state data is synchronized with neighbor nodes by using a Gossip protocol, version number, integrity and multi-source consistency verification are performed on the received data, and the algorithms corresponding to the same state data from at least two non-direct neighbor nodes are marked as cluster trusted algorithms; and a trusted algorithm list is generated for the local IPsec process to query for security association negotiation. The application realizes dynamic discovery and trusted synchronization of cluster security algorithms, adapts to edge nodes and multi-region cluster scenarios, guarantees synchronization reliability and security, and does not affect the running performance of the cluster.
Owner:CHINA UNICOM INTERNET OF THINGS CO LTD +1

Motor with waterproof, dustproof and corrosion-proof structure for circuit board

ActiveCN224418625Uavoid contactAvoid short circuit burnoutElectric machinePlastic materials
The utility model provides a kind of motor with circuit board waterproof dustproof anticorrosive structure, including circuit board, flat cable, base, stator shell and rotor;Stator shell is fixed in the front side of base, rotor is rotatably connected in the inboard of stator shell, the front end of rotor is protruding from stator shell, the rear end of rotor is rotatably connected with base;Base is injection molded by plastic material, circuit board is annular, circuit board is plastic encapsulated in the inside of base;Socket is provided on the side wall of base, the group of conductive pins on circuit board is inserted in socket, one end of flat cable is matched with the group of conductive pins and is electrically connected by plug-in connection through socket;The utility model can avoid circuit board to be damp, corrosion and other conditions, that is, can effectively avoid the short-circuit burning condition of circuit board, improve the service life of motor.
Owner:NINGBO YIKADE ELECTRICAL APPLIANCE TECH CO LTD +1

Spinning device for spandex core yarn

ActiveCN224494466UAchieve scrapingavoid overwriting
The utility model relates to the field of spandex core yarn manufacturing, in particular to a spandex core yarn combing equipment, including machine table, still including combing mechanism, combing mechanism is located at the top of machine table, and combing mechanism includes the combing roller, and both sides of combing roller are fixed with fixed plate, and eight connecting rods are equidistance and are arranged between two fixed plates, and both ends of eight connecting rods are fixed with sliding block. Through the rotation of worm drive worm wheel, and then drive the rotation of the rotating plate, thereby drive sixteen sliding blocks to move radially on the corresponding two fixed plates and enter the inside of combing roller, make eight connecting rods drive several combing rods to move radially, realize the scraping of the yarn adhered to the surface of several combing rods, avoid the coverage of combing column, enhance the carding effect of combing rod to yarn, improve the combing quality of spandex core yarn, be convenient for the cleaning of dust in the gap of combing rod.
Owner:MINHOU HUADA TEXTILE TRADE & IND CO LTD

Video action recognition method based on time length progressive feature fusion token dictionary modeling

This invention discloses a video action recognition method using a time-progressive feature fusion token dictionary modeling approach, comprising: acquiring an original video frame sequence; generating multiple multi-scale video segments containing different time scales based on a time-progressive strategy; processing the multi-scale video segments separately using a feature extraction model to extract local spatiotemporal features corresponding to each time scale; progressively interacting the local spatiotemporal features of each scale with a pre-initialized auxiliary token dictionary in ascending order of time scale, dynamically updating the auxiliary token dictionary in each interaction to generate enhanced spatiotemporal features corresponding to each scale; dynamically generating fusion weights for the enhanced spatiotemporal features of multiple scales and performing feature fusion to obtain global multi-scale fused features; and outputting action classification results using a classification model based on these features. This invention solves the technical problems of insufficient long-term dependency modeling, semantic drift, and interference from complex backgrounds in existing technologies.
Owner:ZHONGKE FANGCUN ZHIWEI (NANJING) TECH CO LTD

Flux-cored wire forming processing device

The utility model provides a flux-cored wire forming machining device which comprises a powder adding mechanism, the powder adding mechanism is fixed between a U-shaped roller and a closed roller through a frame body, a U-shaped section of a steel belt is arranged between the U-shaped roller and the closed roller, a dust removal barrel is installed on the side, located on the U-shaped roller, of the frame body, the U-shaped section of the steel belt penetrates through the dust removal barrel, and the dust removal barrel is connected with the U-shaped section of the steel belt. A high-pressure spray head is fixed to the top wall in the dust removal cylinder in the opposite direction of the steel belt advancing path and faces the interior of the groove of the U-shaped section to conduct airflow cleaning. According to the flux-cored wire forming machining device, compressed air is reversely blown into the groove of the U-shaped section through the high-pressure spray head fixed in the dust removal cylinder, airflow cleaning is conducted on the interior of the groove of the U-shaped section along the steel belt, the situation that the lower end of powder is covered with impurities through the powder adding mechanism is avoided, the interior of the groove of the U-shaped section is kept clean, and the quality of a flux core after the powder is injected is improved.
Owner:INNER MONGOLIA YIJI GRP SHENLU WELDING CO LTD

Object detection method and system based on feature enhancement and parallel channel attention

The invention provides an article detection method based on feature enhancement and parallel channel attention. The method comprises the following steps: acquiring a millimeter wave image to be detected; sending the millimeter wave image into a filtering module, and carrying out regional feature enhancement and channel adjustment to obtain a feature-enhanced image; sending the image after feature enhancement to a backbone network, and performing feature extraction through dense residual blocks and jump connection to obtain a feature map; a parallel channel separation attention module is introduced between the backbone network and the feature pyramid network, decoupling feature enhancement of space and channel dimensions is carried out on the feature map, and an optimized fusion feature map is obtained; the optimized fusion feature map is sent to a feature pyramid network for feature aggregation, and aggregation feature information is obtained; and carrying out classification and bounding box positioning on articles with specific sizes by using the aggregation feature information through a detection output head to obtain a detection result. The method is used for solving the problem of inaccurate detection of objects with specific sizes.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

A dust cleaning device for industrial automation equipment

The utility model relates to industrial automation equipment cleaning technical field, especially related to a kind of ash removal dust removal equipment of industrial automation equipment, including dust suction box, the left end middle part of dust suction box and right end middle part are all fixedly connected with connecting pipe, the lower part of left end of dust suction box is provided with door leaf, the middle part of the front end of dust suction box is opened with chute, the front part of the upper end of dust suction box is fixedly connected with adjusting mechanism;The adjusting mechanism includes electric push rod and double-shaft motor, the outer surface upper part of gear is jointly meshed and connected with suction assembly, the outside of double-shaft motor is fixedly installed with slider long plate.The ash removal dust removal equipment of industrial automation equipment, by electric push rod adjusting suction assembly height, double-shaft motor drives dust suction box reciprocating motion before and after, cooperate with double brush strip and the integrated design of sweeping and sucking of negative pressure suction, realize the efficient removal of complex surface full coverage cleaning and boarded dust of equipment.
Owner:SUZHOU QIKAIHANG ELECTROMECHANICAL TECH CO LTD

Central air conditioning

ActiveCN224607849Uconsistent positionEven by force
The application discloses a central air conditioner, and relates to the technical field of air conditioners. The central air conditioner comprises an indoor unit, an air outlet piece, embedded pieces and a support. The indoor unit is arranged in a mounting space formed by a gypsum board. The mounting space comprises at least one air outlet. The air outlet piece is arranged at the air outlet, and the air outlet piece is provided with an air outlet communicated with the air outlet. The embedded pieces are arranged at the air outlet, and the embedded pieces are provided with fixing portions connected with the air outlet piece to fix the air outlet piece. The embedded pieces are arranged in multiple, and the multiple embedded pieces are arranged along the length direction of the air outlet. The support is arranged on the gypsum board and in the air outlet. The support is connected with the multiple embedded pieces. The embedded pieces are first arranged on the support, and then the air outlet piece is arranged on the embedded pieces. The central air conditioner provided by the application positions the embedded pieces by arranging the multiple embedded pieces on the same support, thereby limiting the connection position of the embedded pieces and the air outlet piece, ensuring that the air outlet piece is uniformly stressed, and avoiding deformation and bending of the air outlet piece.
Owner:QINGDAO HISENSE BOSCH AIR CONDITIONING SYSTEM CO LTD

A ventilator filtration device

This utility model discloses a ventilator filtration device, relating to the field of medical device technology. The ventilator filtration device includes a housing, with a cover plate on top of the housing. A protective shell is fixedly connected to the surface of the cover plate. A groove is formed inside the protective shell. A first rotating plate is rotatably connected inside the cover plate, with its surface in contact with the surface of the protective shell. A second rotating plate is fixedly connected to the surface of the first rotating plate and rotatably connected to the inside of the cover plate. Mounting holes are formed inside both the first and second rotating plates. This ventilator filtration device allows for adjustment of the exposed filter element by rotating a rotating rod. Simultaneously, the protective shell covers unused filter elements, preventing excess filter elements from being exposed to the outside environment and thus preventing dust from covering the filter element interface, thereby protecting the filter element.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

A neural network continual learning method and related devices

ActiveCN120975184BContinuous learning implementationImprove migration generalization effectBiological modelsNetwork ConvergenceEngineering
The application discloses a neural network continuous learning method and related equipment, including: receiving a new input sample writing a short-term memory area, evaluating the importance of parameters to learned tasks to adjust their training plasticity, associatively retrieving relevant historical knowledge from a long-time / external memory area, mixing and playing back training with new samples, and migrating knowledge among multiple memory areas to network convergence according to rules. The application uses dual protection of parameter dynamic adjustment and historical knowledge playback to overcome catastrophic forgetting, and avoids performance degradation of old tasks. By storing knowledge representations instead of original samples, combining knowledge migration rules suitable for tasks, reducing storage and computing costs, and improving scalability, the association and integration of new and old knowledge are realized through associative retrieval, and the generalization ability is enhanced. A multi-memory area knowledge circulation mechanism is constructed, the external memory is deeply involved in training, and the interaction efficiency is improved. The overall balance of the efficiency, stability and generalization of continuous learning significantly optimizes the performance of the neural network continuous learning.
Owner:GUANGDONG KAITONG SOFTWARE DEV

Axiprotocol translation bridge, method and apparatus supporting transport parameter set resolution

The application relates to the data carrying technical field, and provides an AXI protocol conversion bridge, method and device supporting transmission parameter set analysis, wherein parameter collection is completed when a channel enabling signal is valid, parameter output is completed when the channel is idle, a subsystem self-owned protocol analysis unit automatically analyzes the transmission parameter set into an AXI transaction descriptor required by AXI transmission, an AXI protocol conversion unit converts the AXI transaction descriptor into AXI bus read-write control signals to initiate read-write transactions to a DDR storage control interface, a FIFO cache unit caches read-write data between a target access module and the AXI bus, and generates a target access module response signal according to the FIFO empty-full state, the transmission parameters are automatically converted into control parameters required by AXI read-write transactions, the design complexity of the subsystem self-owned protocol adapting to AXI is reduced, and transmission waiting delay is reduced.
Owner:HUNAN GREAT LEO MICROELECTRONICS CO LTD

A hydroprocessing catalyst, its preparation method and use

This invention discloses a hydrotreating catalyst, its preparation method, and its application. The method includes: supersaturating an alumina-based support with an impregnation solution containing dopamine, a protective agent, and a hydrotreating active metal; adjusting the pH of the system to allow dopamine to self-polymerize on the pore surface of the alumina-based support; and then washing and heat-treating to obtain the hydrotreating catalyst. The hydrotreating catalyst prepared by this method exhibits significantly improved desulfurization and denitrification activity, as well as improved stability.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

A multi-tool cooperative interaction method and system based on natural language instructions

The application relates to the technical field of computers and provides a multi-tool cooperative interaction method and system based on a natural language instruction, which comprises the following steps: receiving an interaction request carrying a user input instruction through a unified interaction interface and generating an interaction session identifier; determining an intention type and a target entity based on the user input instruction, wherein the intention type comprises an editing intention and a generating intention; searching for a processing tool corresponding to the intention type in multiple processing tools, routing the interaction request to the corresponding processing tool, and enabling the processing tool to perform an operation, wherein the operation granularity of at least two processing tools is different; and continuously sending structured events to an interaction terminal in a streaming event channel, wherein each structured event carries the interaction session identifier and a stage identifier, and the stage identifier is used for indicating an execution stage in which the current interaction is located. The application realizes accurate analysis of a user natural language instruction and fine-grained tool linkage, guarantees the real-time performance and traceability of an interaction process, and improves interaction efficiency and reliability.
Owner:JANE EYRE DIGITAL INTELLIGENCE (HANGZHOU) TECHNOLOGY CO LTD

Coal mine underground monitoring alarm device

The utility model relates to the technical field of coal mine underground monitoring, in particular to a coal mine underground monitoring alarm device which comprises an alarm, an alarm lamp is fixedly connected to the top end of the alarm, a handle is rotationally connected to the top end of the alarm through a supporting block, and a columnar monitor is fixedly connected to the bottom end of the alarm. A blocking mechanism is arranged at the bottom end of the alarm and comprises a first magnet, a second magnet, a third magnet, a fourth magnet and mounting blocks, the mounting blocks are symmetrically and fixedly connected to the bottom end of the alarm, moving rods are slidably connected to the mounting blocks, springs are fixedly connected to the side walls of the mounting blocks, and the moving rods are fixedly connected to the side walls of the springs. The first magnet is fixedly connected to one end of one moving rod, the second magnet is fixedly connected to one end of the other moving rod, and the filter cover has the beneficial effects that the columnar monitor in the filter cover can be prevented from being covered by dust in air, so that the sensitivity of the columnar monitor in normal use is guaranteed.
Owner:ERDOS YINGPANHAO COAL CO LTD

Power resource deployment prediction method and system based on industrial chain power consumption data analysis

PendingCN122267718Achange forecastIntensity quantificationBiological modelsAc network circuit arrangementsBusiness enterprisePredictive methods
The present application relates to a power resource deployment prediction method based on industrial chain power consumption data analysis, and the specific steps include: obtaining the power consumption information and production capacity information of each enterprise in each cycle on the industrial chain, and the transaction information between each enterprise; according to the transaction information between each enterprise, a one-way graph structure for representing the transmission relationship between each enterprise in the industrial chain is constructed, and the weight information of each one-way edge in the one-way graph structure is determined; the power consumption of the upstream enterprise in the current cycle and the last cycle is collected, and the power consumption change rate of the upstream enterprise in the current cycle is calculated and input as the attribute information of the initial node in the one-way graph structure; the one-way graph structure, the attribute information of the initial node, the weight information of the one-way edge and the historical information of the middle and downstream enterprises are input into the pre-trained graph convolution network, and the graph features of each enterprise node in the one-way graph structure are extracted.
Owner:国网福建省电力有限公司营销服务中心 +1

Cache write buffer apparatus and control method thereof

PendingCN122450990AImprove management flexibilityImprove data consistencyComputer hardwareWrite buffer
The application provides a Cache write cache device and a control method thereof, and relates to the technical field of artificial intelligence chips. The device comprises: a write cache table for storing a plurality of write cache entries, each write cache entry corresponding to attribute information of a Cache line; a memory for storing data of the Cache line corresponding to each write cache entry; a write cache control unit for processing storage requests and loading requests based on the write cache table, and for writing the data of the Cache line corresponding to the write cache entry from the memory to a data storage unit when a preset write-back condition is met; a loading request queue for buffering loading request information from a previous execution unit or a previous Cache; and an effective address generation module for generating a corresponding effective write-back address according to a write data effective flag signal recorded in the write cache entry when performing a write-back operation. The application effectively reduces the write-back pressure on the lower-level storage, eliminates the structural blockage of the storage backend to the computing frontend, and significantly improves the overall memory access efficiency and computing throughput.
Owner:BEIJING TSINGMICRO INTELLIGENT TECH CO LTD

A through-hole soot blowing device for machining mechanical parts

The utility model relates to mechanical part machining technical field discloses a through -hole soot blowing device for mechanical part machining, including the casing, the bottom opening of casing, the inside of casing is equipped with the conical airflow diverter, the surface of conical airflow diverter is equipped with the floating seal ring, the inner wall of floating seal ring and casing is sealed connection of sliding, the middle part of floating seal ring is equipped with the airflow hole that cooperates with the taper face of conical airflow diverter, the bottom of floating seal ring is equipped with the flexible sealing lip fixedly, the utility model conical airflow diverter will axial air intake high -efficient conversion be with the high -speed concentrated airflow of radial component, through the annular gap formed by the taper face and floating seal ring airflow hole acceleration rectification, make the airflow more strong, more evenly cover through -hole inner wall, significantly improve the efficiency and cleaning quality of chip removal, especially suitable for complex structure such as deep hole, small hole diameter.
Owner:SHENZHEN BEIZHULI PRECISION CO LTD

A cylindrical battery and a manufacturing method thereof

This invention proposes a cylindrical battery and its manufacturing method, comprising a positive electrode current collector, a negative electrode current collector, and a core. One end of the core is provided with a positive electrode tab group and a negative electrode tab group. The positive electrode tab group includes multiple positive electrode tab clusters, and the negative electrode tab group includes multiple negative electrode tab clusters. Both the positive and negative electrode tab clusters are distributed in a stepped manner from the outer radial direction of the core towards the center, and both clusters are concentric arc structures. The outer wall of the positive electrode current collector is provided with multiple positive electrode soldering areas, which are adapted to and connected to the arc-shaped inner wall of the positive electrode tab clusters. The outer wall of the negative electrode current collector is provided with multiple negative electrode soldering areas, which are adapted to and connected to the arc-shaped inner wall of the negative electrode tab clusters. In this invention, the current collector and tabs are vertically welded, avoiding the covering of gaps between electrode sheets after the tabs are flattened. This facilitates the penetration of electrolyte into the core from non-tab areas, improving the wetting efficiency of the electrolyte within the core.
Owner:コーネックス ニュー エナジー カンパニー リミテッド

Iterative chart code generation method based on chart and code correction large model

ActiveCN122261566BAvoid the problem of coarse-grained judgmentimprove accuracy
The application discloses an iterative chart code generation method and device based on a chart and a code error correction large model, and relates to the technical field of chart code generation. The method comprises the following steps: based on a code error classification system, using a multi-modal large model to perform data variation according to an original chart code pair, and constructing an original data set; based on the code error classification system and a line-level Levenshtein distance algorithm, adding correction prompt information according to the original data set, and constructing a training data set; based on an LLaMA-Factory fine-tuning framework and a GRPO training strategy, performing two-stage training on a code error correction large model according to the training data set, and obtaining an optimized code error correction large model; and based on the optimized code error correction large model and a chart code generation large model, performing iterative code generation according to a target reference chart, and obtaining target generated code. The application is a chart-based high-precision, interpretable and iterative chart code generation method.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Fuel cell membrane electrode catalyst layer, membrane electrode and preparation method and application thereof

The invention relates to the technical field of batteries, and provides a fuel cell membrane electrode catalyst layer, a membrane electrode and a preparation method and application thereof, the fuel cell membrane electrode catalyst layer is formed by slurry, the slurry is mainly composed of a carbon-ionomer aggregate, a catalyst and a first ionomer; the carbon-ionomer aggregate is obtained by mixing a second ionomer, a carbon material and a first solvent and then removing the first solvent. The carbon-ionomer aggregate is further mixed with a catalyst and an ionomer to prepare a catalyst layer, so that a continuous proton conduction network can be constructed in the catalyst layer, and the surfaces of active nanoparticles can be prevented from being covered by the ionomer, so that the utilization rate of the catalyst and the electrochemical active area of a membrane electrode are improved; therefore, the power density of the fuel cell is improved.
Owner:YULIN ZHONGKE CLEAN ENERGY INNOVATION RES INST +1