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Fire remote monitoring and multistage early warning mechanism integrated system

The invention relates to the technical field of fire hazard monitoring, and discloses a fire hazard remote monitoring and multistage early warning mechanism integration system which integrates a data acquisition module, a heat gathering map generation module, an image fusion module, a data calculation module, a risk prediction module, an early warning notification module and the like. Through an infrared temperature measurement unit, a smoke concentration acquisition unit and an image acquisition unit, the system can acquire temperature, smoke and image information of a key area in real time. A heat gathering map generation and image fusion technology is utilized, a fusion image is systematically generated, a fire scene and temperature distribution thereof are visually displayed, and the fire source positioning efficiency is improved. Meanwhile, the system analyzes the gradient change of the temperature, the heat accumulation area and the smoke concentration through a data calculation module, constructs a risk prediction model in combination with a machine learning algorithm, and achieves the refined prediction of the fire risk. And according to a prediction result, the early warning notification module automatically sends a corresponding early warning message to ensure rapid transmission and timely response of the early warning message. According to the invention, the intelligent, precise and efficient level of fire monitoring is improved.
Owner:WUXI NUOYI INTELLIGENT TECH CO LTD

Phase-change energy temperature-adjusting fiber master batch and fat-burning fabric thereof

The invention relates to the field of functional master batch materials, in particular to a phase-change energy temperature-adjusting fiber master batch and a fat-burning fabric thereof. The phase-change energy temperature-regulating fiber master batch is prepared from a composite phase-change material and polyethylene glycol terephthalate slices through melt extrusion and granulation, the fat-burning fabric is prepared from the phase-change energy temperature-adjusting fiber master batch and polyethylene glycol terephthalate slices through melt spinning, network compounding and weaving processing. By introducing the microencapsulated phase-change material and the high-thermal-conductivity filler, in the melt extrusion process, the microencapsulated phase-change material and the high-thermal-conductivity filler can be uniformly dispersed in the matrix material to form stable fiber master batches, form an efficient thermal-conductivity structure and provide excellent thermal regulation performance; meanwhile, microencapsulation can improve the stability and dispersity of the phase-change material, and the fat-burning fabric is prepared through melt spinning and weaving of fiber master batches, so that the heat-conducting property of the product is improved, and the continuous fat-burning effect is achieved.
Owner:SUYAN TIANYI (SHENZHEN) TECH CO LTD

Substation inspection method and system based on quadruped robot

The invention discloses a transformer substation inspection method and system based on a quadruped robot, and relates to the technical field of transformer substation inspection, and the method comprises the steps: collecting topographic data and temperature data based on the quadruped robot, planning an inspection path, and carrying out the temperature monitoring; collecting sound data based on the quadruped robot, calculating a sound source direction angle, extracting a time-frequency feature and determining a feature fluctuation amplitude; constructing a sound field model based on the characteristic fluctuation amplitude, generating a simulated sound pressure distribution diagram, determining a comparison error corresponding to each grid node in the simulated sound pressure distribution diagram based on sound pressure data acquired by the quadruped robot, and determining the grid nodes with the comparison errors greater than or equal to a comparison threshold as abnormal nodes; and giving an alarm according to the abnormal node, recording early warning information, and uploading the early warning information to a cloud end to give an alarm notification. According to the method, acoustic analysis is added, abnormal sound waves or abnormal fluctuation of local noise in the substation equipment is found in time, the early failure of the equipment is effectively detected, and the inspection efficiency is improved.
Owner:ZHANGJIAKOU WIND & SOLAR POWER ENERGY DEMONSTRATION STATION CO LTD +1

Energy storage coupling heat pump steam generation method and system

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.
Owner:SHANGHAI ELECTRICGROUP CORP

Analysis method for corn quality distribution rule

The invention discloses a corn quality distribution rule analysis method, relates to the technical field of corn quality analysis, and aims to solve the problems of inaccurate corn quality data acquisition and unclear corn quality distribution. According to the method, by combining a univariate analysis method and a multivariate analysis method, the internal rule of the abnormal index data can be comprehensively and deeply mined, the abnormal distribution rule decision is made according to the distribution mode of the abnormal index data, and the potential reason of the corn quality index data abnormity can be scientifically deduced; the standard sample collection data, the abnormal index data and the abnormal distribution rule decision result are integrated and displayed on the display terminal, information comprehensiveness is achieved, the standard sample collection data are compared with the standard index data divided in detail, the data deviation of each specific index can be accurately recognized, and the accuracy of the data deviation is improved. Through comprehensive and meticulous preprocessing of the target index data, powerful support is provided for follow-up study of corn quality distribution rules by using a statistical analysis method.
Owner:JILIN ACAD OF AGRI SCI

Industrial control network intelligent safety monitoring and early warning method and system

The invention discloses an intelligent security monitoring and early warning method and system for an industrial control network, relates to the technical field of network security monitoring, and can collect multi-dimensional data such as network traffic, user behaviors and equipment states in real time through a data acquisition module and a system to ensure the timeliness and comprehensiveness of monitoring. Therefore, potential security threats can be quickly identified, and the overall security protection capability is improved. And the data preprocessing module cleans and standardizes the collected data, so that the data quality and consistency are improved, a reliable basis is provided for subsequent risk assessment, and misjudgment caused by data inconsistency is reduced. And the risk assessment module calculates a comprehensive risk index through a multi-dimensional assessment formula, different types of security threats can be identified more accurately, and a scientific basis is provided for a subsequent early warning mechanism. The multi-level early warning mechanism module divides the risk into a low level, a middle level and a high level according to the comprehensive risk index, and a targeted response strategy can be realized.
Owner:SUZHOU HENGZHENXING TECH CO LTD

Semiconductor device, power module, power conversion circuit, vehicle and manufacturing method of semiconductor device

The invention discloses a semiconductor device, a power module, a power conversion circuit, a vehicle and a preparation method of the semiconductor device. The semiconductor device comprises a semiconductor body and a gate structure located in a gate groove; the source electrode structure is positioned in the source electrode groove; the drain electrode is located on the second surface; the source electrode is located on the first surface, a third surface, far away from one side of the drain electrode, of the source electrode is provided with a first groove, and the first groove extends into the source electrode from the third surface; the passivation layer is located on the side, away from the drain electrode, of the source electrode, and at least part of the passivation layer is located in the first groove. According to the semiconductor device, the power module, the power conversion circuit, the vehicle and the preparation method of the semiconductor device, the binding force between the passivation layer and the source electrode is improved, cracking is avoided, and the stability of the device is improved.
Owner:YOFC ADVANCED SEMICONDUCTOR (WUHAN) CO LTD

Intelligent collection equipment and collection method for collecting agaricus bisporus

The invention relates to intelligent collection equipment and a collection method for collecting agaricus bisporus, and solves the technical problems that when an existing agaricus bisporus automatic picking robot is used for collecting picked agaricus bisporus, manpower is consumed, the efficiency is low, and the collection number is small. The charging basket feeding device comprises a machine frame, a charging basket input device, a charging basket feeding device, a conveying belt, a material receiving and collecting device and a material collecting barrel lifting device, the charging basket input device is located under the charging basket feeding device, the conveying belt is connected with the bottom of the machine frame, and the charging basket input device is located on one side of the conveying belt; the material receiving and collecting device comprises a material collecting barrel, a first material receiving slope plate, a first telescopic hose and a first telescopic hose lower end positioning plate, the material collecting barrel lifting device is connected with the left end of the rack, and the material collecting barrel of the material receiving and collecting device is connected with the material collecting barrel lifting device. The method is widely applied to collection factorization.
Owner:HARBIN INST OF TECH AT WEIHAI

Inventory management system and management method based on order data

The invention relates to the technical field of inventory management, and discloses an inventory management system and method based on order data, and the system comprises a data collection unit, an order analysis unit, an inventory prediction unit, and an inventory management unit. According to the invention, commodities are accurately classified according to order data, a detailed basis is provided for inventory management, extensive management is avoided, and the accuracy is improved; inventory demands are predicted according to different commodity characteristics, multiple factors are combined with historical data, actual sales is close, overstock or stockout is reduced, and the turnover rate and the fund utilization rate are increased; the automatic process reduces manpower, monitors the inventory in real time and gives an early warning, replenishes goods in time, enables managers to concentrate on decision making, improves management efficiency, maintains the reasonable level of the inventory, and reduces cost; the inventory supplement signal contains key information and is quickly transmitted to suppliers, so that the suppliers can supply goods in time, collaboration and communication are enhanced, a stable and efficient supply chain is constructed, risks are reduced, and competitiveness is improved.
Owner:JIANGSU CHAOYUAN DATA TECH CO LTD

Information fusion advanced geological prediction system based on multiple detection methods

The invention relates to the technical field of advanced geological prediction, in particular to an information fusion advanced geological prediction system based on multiple detection methods, which comprises a comprehensive analysis subsystem, an advanced prediction module and a notification and statistics module. Wherein the comprehensive analysis subsystem comprises a tunnel face analysis module, an advanced drilling analysis module and a geological radar analysis module. Various detection methods such as stress-strain monitoring, geological radar detection and advanced drilling are combined, the adaptability to a complex construction environment is improved, the intelligent level is improved, and rapid transmission and sharing of geological information are achieved; according to the method, data is analyzed in a centralized mode through a logic judgment program, geological abnormal conditions such as rockburst and discontinuous geological structures are found in time in the drilling process, and therefore corresponding early warning signals are output, and a clearer decision basis is provided for constructors.
Owner:CHINA COAL CONSTR GRP CO LTD +1

Natural vegetable oil composition as well as preparation method and application thereof

The invention discloses a natural vegetable oil composition as well as a preparation method and application thereof. The natural vegetable oil composition comprises sunflower seed oil, simmondsia chinensis seed oil, grape seed oil and camellia seed oil. The feeding mass ratio of the sunflower seed oil to the simmondsia chinensis seed oil to the grape seed oil to the camellia seed oil is 1: (0.5-1.5): (0.5-1.5): (0.5-1.5); the components are uniformly mixed during preparation, practice shows that the combination of the four natural plant-derived oils has an excellent moisturizing effect and a skin repairing effect and has a remarkably better and more balanced effect compared with a single or partial combination of the four natural plant-derived oils, and particularly, the remarkable moisturizing and skin repairing effects can be obtained only by a small addition amount; the composition is beneficial to addition and use in cosmetics, does not need to adopt excessive emulsifiers for additional emulsification and dispersion, is beneficial to reduction of irritation brought by the emulsifiers, and is good in use experience.
Owner:KOLMAR COSMETICS (WUXI) CO LTD

Whole tray warehouse-out system and method

The invention discloses a whole-tray warehouse-out system and method, and belongs to the technical field of cigarette manufacturing, and the system comprises a stacking robot, a cigarette carton temporary storage channel, a cigarette carton backflow channel, a latent AGV, an elevator, a tray on-line device and a whole-tray warehouse-out line; wherein the latent AGV is used for moving to a designated goods location of an ex-warehouse cache region to carry finished cigarette trays and carrying the finished cigarette trays to the tray online device, moving to a designated goods location of a target floor to carry the finished cigarette trays, descending to an ex-warehouse floor through the elevator and then carrying the finished cigarette trays to a connection platform on the same floor; then the tray is carried from the connection platform to the tray on-line device; and the whole-tray delivery line provides a conveying channel for the finished cigarette trays, so that the finished cigarette trays can be conveyed to a delivery area for whole-tray loading and delivery. According to the invention, accurate tracking and management of goods are facilitated, and the accuracy and efficiency of delivery of the whole pallet are improved.
Owner:CHINA TOBACCO HENAN IND CO LTD

Defect-rich cobalt-doped MoS2 / NiSe2 heterojunction nano array electrode and preparation method and application thereof

The invention relates to a defect-rich cobalt-doped MoS2 / NiSe2 heterojunction nano array electrode as well as a preparation method and application thereof, and belongs to the field of electro-catalysis and new energy materials. The electrode is composed of a self-supporting MoS2 / NiSe2 heterojunction nano array, cobalt atom doping and abundant structure defects are introduced at the same time, and the hydrogen evolution reaction (HER), oxygen evolution reaction (OER) or urea oxidation reaction (UOR) activity of an electrode material in alkaline electrolyte is remarkably improved. The prepared electrode material has the advantages of low cost, high activity, good stability and the like, and has wide application prospects in the fields of water electrolysis, metal-air batteries, domestic sewage treatment and the like.
Owner:XUZHOU NORMAL UNIVERSITY

Aluminum alloy profile extrusion device

The invention relates to the technical field of aluminum alloy production, in particular to an aluminum alloy profile extrusion device which comprises a mounting frame, a control panel is mounted on the front surface of the mounting frame, an extruder body is fixedly connected to the top surface of the mounting frame, and a sliding groove is formed in the upper surface of the mounting frame; a first moving column and a second moving column are sequentially arranged in the sliding groove from front to back. And the abutting plate is installed on the back face of the first stabilizing seat, and a spring body is installed on the back face of the abutting plate. Pressure is applied to the front surface and the rear surface of an aluminum alloy profile through a first correcting ring and a second correcting ring, the bent position of the aluminum alloy profile can be corrected, accordingly, the follow-up aluminum alloy profile can be corrected and conveyed, the overall conveying effect is good, meanwhile, a conveying shaft can be supported through a side plate and a top block, and the conveying efficiency is improved. And the aluminum alloy sections can be conveyed in an auxiliary mode through the conveying shaft.
Owner:ASIA PACIFIC LIGHT ALLOY NANTONG TECH

Steelmaking flue gas recovery waste heat utilization equipment and use method

The invention discloses steelmaking flue gas recovery and waste heat utilization equipment and a use method, and relates to the technical field of flue gas waste heat recovery. Dust in the steelmaking flue gas can be filtered through the filter cartridge before the flue gas enters the heat exchange mechanism, and then the clean flue gas is conveyed into the heat exchange mechanism, so that the inner wall of the heat exchange barrel can be kept in a clean state all the time, the dust in the steelmaking flue gas is prevented from being attached to the inner wall of the heat exchange barrel, heat transfer is prevented from being hindered, and the service life of the steelmaking flue gas is prolonged. The smoke dust scraping assembly can scrape off smoke dust attached to the inner wall of the filter cartridge, the self-cleaning effect can be achieved while the heat of the steelmaking smoke gas is recycled, and therefore the good filtering effect of the filter cartridge is always kept, and the scraped-off smoke dust can be collected in a centralized mode under pushing of an auger. When high-temperature flue gas passes through the heat exchange assemblies, the heat exchange assemblies can rotate around the axes of the heat exchange assemblies, so that surrounding clear water is disturbed, clear water at different positions is stirred and mixed, and water temperature areas at different positions are consistent.
Owner:HEBEI BOKAI ENERGY SAVING TECH

O-methylbenzyl chloride production process and production system thereof

The invention discloses an o-methylbenzyl chloride production process which comprises the following steps: S1, a chlorination section: pumping o-xylene into an evaporation kettle, heating, vaporizing the o-xylene in the kettle, enabling the vaporized o-xylene to enter a chlorination tower, introducing chlorine gas into the chlorination tower, and carrying out a chlorination reaction on the chlorine gas and rising o-xylene gas under the catalysis of visible light, the generated o-methylbenzyl chloride and o-dichlorobenzyl are in a liquid state and flow back into the evaporation kettle, the material crude benzyl in the kettle is transferred into a rectifying kettle, and hydrogen chloride gas generated by the reaction enters a hydrogen chloride absorption section. The supporting table, the feeding conveying belt, the discharging conveying belt and the rotatable transfer plate in the product tank conveying mechanism are matched with one another to form an efficient conveying system, after being placed on the feeding conveying belt, a finished product tank to be filled can be rapidly conveyed to the positions of the supporting table and the transfer plate, and through rotation of the transfer plate, the finished product tank to be filled can be rapidly conveyed to the supporting table and the transfer plate. And the finished product tanks can be accurately transferred to all stations, so that the conveying efficiency is greatly improved, and the manual carrying time and labor intensity are reduced.
Owner:ANHUI SULE MEDICAL MATERIAL CO LTD

Efficient waste activated carbon regeneration reaction furnace

The invention discloses an efficient waste activated carbon regeneration reaction furnace, and relates to the technical field of activated carbon regeneration equipment, the efficient waste activated carbon regeneration reaction furnace comprises a furnace body, a furnace door is arranged on one side of the furnace body, a frame body is fixedly connected to the outer surface of the furnace body, and the efficient waste activated carbon regeneration reaction furnace further comprises a rotary regeneration mechanism and a vibration regeneration mechanism. Through the arrangement of the rotary screen, the heating regeneration efficiency of materials is improved, waste particles generated during heating can be separated from regenerated activated carbon through the arrangement of the rotary screen, the quality of the regenerated activated carbon is improved, additional manual removal work is not needed, the cost is reduced, and meanwhile through the up-and-down shifting work of the shifting block, the waste particles can be recycled. And through vertical vibration of the rotary screen and vertical vibration of the rotary screen, broken waste on the upper portion of the material can flow to the lower portion, so that the broken waste makes contact with the rotary screen and penetrates through the rotary screen to be separated from regenerated activated carbon, and the separation effect and uniformity are improved.
Owner:TIANJIN TISUN ITASCA TECH +1

Unmanned aerial vehicle cluster cooperative control method and system

The invention discloses an unmanned aerial vehicle cluster cooperative control method and system, and relates to the technical field of unmanned aerial vehicle control, and the method comprises the following steps: constructing an unmanned aerial vehicle cluster topological structure; according to the position of each unmanned aerial vehicle, the unmanned aerial vehicles are distributed to corresponding clusters, and a main cluster head and an auxiliary cluster head are determined; in an unmanned aerial vehicle cluster, direct communication links among member unmanned aerial vehicles in the cluster and direct communication links with all unmanned aerial vehicles in other clusters are disconnected, a cluster boundary range with a main cluster head as the center is set, task data are transmitted to the main cluster head and an auxiliary cluster head at the same time when tasks are executed, and when the main cluster head breaks down, the auxiliary cluster head takes over and reselects the auxiliary cluster head; kalman filtering is used to predict the motion state of the unmanned aerial vehicle, an abnormal score is calculated by using an isolated forest algorithm, and if the abnormal score exceeds a preset score threshold, it is determined that the cluster is abnormal and the cluster structure is readjusted, so that instability of the whole unmanned aerial vehicle cluster caused by a fault of an individual unmanned aerial vehicle is avoided.
Owner:XIAN TIANCHENG YIBANG ELECTRONIC TECH CO LTD

Graphite uniform-temperature composite phase change energy storage radiator

The invention discloses a graphite uniform-temperature composite phase change energy storage radiator, and relates to the technical field of energy storage radiators, the graphite uniform-temperature composite phase change energy storage radiator comprises an upper shell and a lower shell, a plurality of heat conduction cavities are formed in the end face, close to the upper shell, of the lower shell, heat dissipation cavities are formed in the positions, on the two sides of the heat conduction cavities, of the lower shell, and thin graphite sheets are arranged in the heat conduction cavities; a heat transfer space is formed between the thin graphite sheet and the bottom of the heat conduction cavity, a plurality of circulation holes are formed in the positions, on the two side walls of the heat conduction cavity, of the lower shell, the circulation holes communicate with the heat dissipation cavity on the same side, the heat dissipation cavity is filled with a phase change material, and the heat transfer space is filled with the phase change material through the circulation holes. And a heat conduction block is fixed at the bottom of the upper shell corresponding to the thin graphite flake, and the heat conduction block is in contact with the thin graphite flake, so that the temperature control problem of high-heat-flux electronic components in a closed space in a short time is effectively solved.
Owner:SICHUAN WEIZE COMM TECH CO LTD

Multi-modal fusion life perception method and system

The invention discloses a multi-modal fusion life perception method and system, and the method comprises the steps: firstly, obtaining multi-modal sensor information through a plurality of different types of sensors, and enabling the sensors to be deployed according to the life habit information and life scene information of a user; then, generating a first sensing model and a second sensing model according to the deployment positions and types of the sensors; inputting the information of the multi-modal sensor into the first sensing model to obtain a preliminary feature and a preliminary prediction result; and inputting the information and the preliminary features into a second perception model to obtain a secondary prediction result. And then, according to the correlation degree of the preliminary prediction result and the secondary prediction result, generating early warning information. According to the embodiment of the invention, by fusing the information of the multi-mode sensor, the living state of the user can be comprehensively perceived and monitored, and by dual prediction, the behavior state of the user, particularly emergency situations such as falling down and the like, can be more accurately judged, so that an early warning mechanism is triggered in time.
Owner:SHENZHEN TOPTECH MANUFACTORING CO LTD

Multifunctional intelligent stomach tube

The invention discloses a multifunctional intelligent stomach tube, and belongs to the field of medical instruments, the multifunctional intelligent stomach tube comprises an outer tube mechanism, the outer tube mechanism comprises a stomach tube body and a rubber head, one end of the inner wall of the stomach tube body is provided with a slidable medicine feeding mechanism, and one end of the inner wall of the stomach tube body is slidably connected with the outer wall of a movable cylinder; a vertically-through pipe connecting through hole is formed in one end of the top of the movable cylinder, a medicine storage cavity is formed in the outer wall of the movable cylinder, a bottom cover is installed under the movable cylinder, and an illuminating lamp is installed at one end of the bottom of the bottom cover; by arranging the pushing inner pipe, the medicine feeding mechanism can be pushed, by arranging the medicine storage cavity, medical staff can place medicine powder or unground medicine in the medicine storage cavity, then the medicine is conveyed into the human body at a time through pushing of a movable cylinder, and the bottom face of the inner wall of the medicine storage cavity is arranged to be an inclined face, so that quick release of the medicine is facilitated; not only is the accuracy of medicine feeding improved, but also the situation that the medicine outlet is blocked is avoided.
Owner:SECOND MEDICAL CENT OF CHINESE PLA GENERAL HOSPITAL

Information management system for stress injury

The invention relates to the technical field of data management, in particular to a pressure injury information management system which comprises a patient risk analysis module, a patient screening module, a nursing early warning module, an injury analysis module, an action guidance module and a statistical analysis module. According to the method and the system, the stress injury risk level of each patient is calculated by integrating the medical record data with the lying time, age and basic illness state of the patient, so that the accurate assessment of the risk state of the patient is remarkably improved, the demand of manual intervention is reduced, the information transmission speed is also accelerated, and the risk assessment efficiency is improved. According to the method and the system, nursing personnel can obtain key early warning information in real time, take corresponding prevention measures and collect and identify injury photos to further make injury degree assessment more accurate and timely, provided nursing action guidance is formulated based on actual injury conditions, the nursing working process is optimized, and the overall efficiency and safety of medical services are enhanced.
Owner:CHINA JAPAN FRIENDSHIP HOSPITAL

House asset management system and method

The invention belongs to the technical field of computers, and particularly provides a house asset management system and method.The house asset management system comprises a data layer, a service layer and an application layer, the service layer is located on the data layer, and the application layer is located on the service layer and can call an API interface provided by the service layer; wherein the application layer comprises a multi-party interaction communication platform, a house asset management module, an intermediary channel management module, a tenant / buyer information management module and a house resource information issuing and matching module; the problems of information islands, unsmooth communication, low management efficiency and the like in a traditional house asset management system are solved, and seamless connection and efficient cooperation among a house asset party, a house intermediary channel party and potential tenants or buyers are realized by constructing a system integrated with a multi-party interactive communication platform.
Owner:SHANDONG LANGCHAO SMART CULTURAL TOURISM IND DEV CO LTD

Bearing ring heat treatment process based on residual stress optimization

The bearing ring heat treatment process based on residual stress optimization comprises the following steps that S1, the surface of a bearing ring is cleaned, and it is ensured that the surface of the bearing ring is clean and free of oil stains and impurities; s2, sectional type heating treatment is conducted on the bearing ring, and the bearing ring is heated to the preset heat treatment temperature; s3, the bearing ring subjected to heat treatment is rapidly put into a quenching medium to be rapidly cooled; s4, the quenched bearing ring is subjected to tempering treatment; s5, the bearing ring subjected to tempering treatment is subjected to cooling treatment.The bearing ring heat treatment process can adjust stress distribution in the bearing ring, the cracking risk caused by stress concentration is reduced, generation of residual stress is reduced, release of the residual stress is promoted, the uniformity of residual stress distribution is improved, and the service life of the bearing ring is prolonged. And the residual stress can be effectively reduced, the toughness is improved, the structure is refined and the stability is improved, so that the quality and the service life of the bearing are improved.
Owner:ZHEJIANG HENGJIA BEARING CO LTD

Multi-dimensional digital design device and method for urban rail transit engineering

The invention discloses a multi-dimensional digital design method and device for urban rail transit engineering, and the method comprises the steps: constructing a multi-dimensional digital design system, and the dimensions of the multi-dimensional digital design system comprise a time dimension, a personnel dimension, a quality dimension and an intelligent operator; the network architecture of the collaborative design platform comprises a basic support layer, a core data layer, an application support layer, an application layer and an interactive service layer; performing BIM collaborative design according to the collaborative design platform, wherein the BIM collaborative design comprises a work set center file collaborative mode and a link mode; and information data is added in the BIM model, the information data comprises geometric information and attribute information of a specified model component, and the BIM model conforms to intelligent construction full-life-cycle application. According to the method, the coordination of urban rail transit engineering designers is realized, the design data can be transmitted losslessly and quickly, and the generated model data also meets the requirements of intelligent construction on the design stage.
Owner:BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP CO LIMITED

Air-cooled subrack capable of improving electromagnetic shielding effect

The utility model relates to an air-cooled plug-in box capable of improving an electromagnetic shielding effect, and solves the problems that an existing plug-in box adopts an air-cooled heat dissipation mode, dust is easy to accumulate in the plug-in box after long-time operation, the overall electromagnetic shielding effect of the plug-in box is reduced, and the space for installing a functional module in the plug-in box is extruded. The heat dissipation device comprises a box body and heat dissipation plates arranged in the box body, the heat dissipation plates comprise an upper heat dissipation plate and a lower heat dissipation plate, gaps exist between the upper heat dissipation plate and an upper cover plate and between the lower heat dissipation plate and a lower cover plate respectively, the gaps form a first heat dissipation channel and a second heat dissipation channel, the right end face of the upper heat dissipation plate and the right end face of the lower heat dissipation plate are connected with a right panel, and gaps exist between the right panel and the upper cover plate and between the right panel and the lower cover plate. The air guide part is arranged relative to the fan on the left panel and guides cold air into the two heat dissipation channels, the inner side face of the air guide part is connected with the left end face of the upper heat dissipation plate and the left end face of the lower heat dissipation plate, the multiple slot plates are arranged between the upper heat dissipation plate and the lower heat dissipation plate, and a groove between a first installation plate and a second installation plate of the air guide part can be used for installing a 3U module.
Owner:XIAN XIANGXUN TECH

Resource optimization configuration system of intelligent supply chain

The invention discloses a resource optimization configuration system of an intelligent supply chain, and relates to the technical field of supply chain resource optimization, and the system comprises a manufacturing production module, a supply replenishment module, a distribution demand module and a logistics service module, formulates a manufacturer prediction distribution strategy, obtains raw material inventory data, formulates a supplier replenishment strategy, and carries out the resource optimization of the supply chain. According to historical sales data and consumer preference data, a demand prediction model is established, temporary order adding goods data is acquired, a manufacturer temporary distribution strategy is formulated, a transportation tool distribution strategy and a multi-order combination strategy are formulated, and through integration of technologies such as the Internet of Things and big data, accurate productivity evaluation, demand prediction and rapid response are realized. Through hierarchical manufacturer management and an intelligent distribution strategy, the resource utilization efficiency is improved, the operation cost is reduced, meanwhile, logistics transportation and order processing are optimized, rapid delivery is ensured, the transparency and controllability of a supply chain are enhanced, the customer satisfaction is improved, and sustainable development of the supply chain is promoted.
Owner:SHENZHEN TIANXINGYUN SUPPLY CHAIN CO LTD

Phenazine-quinoxaline organic electrode material and application thereof in preparation of aqueous zinc ion battery

The invention provides a phenazine-quinoxaline organic electrode material, and belongs to the technical field of aqueous zinc ion battery electrode materials, and the phenazine-quinoxaline organic electrode material is synthesized from 2, 3-diaminophenazine and 2, 5-dihydroxy-1, 4-benzophenone through a dehydration condensation reaction. The organic electrode material can be used for manufacturing a positive electrode of an aqueous zinc ion battery, and shows relatively high reversible specific capacity, relatively long cycle life, relatively good rate capability and relatively good wide temperature range performance. The invention also provides an application of the phenazine-quinoxaline organic electrode material in preparation of an aqueous zinc ion battery.
Owner:YANGJIANG JIAOTONG ZHUOYUE NEW ENERGY TECHNOLOGY CO LTD

Continuous anti-blocking discharging structure of kneading machine

The continuous anti-blocking discharging structure comprises an outer shell, a conveying assembly, a scraping assembly and a cleaning assembly, a feeding port is formed in the upper end of the left side of the outer shell, a discharging port is formed in the lower end of the right side of the outer shell, the conveying assembly is arranged in an inner cavity of the outer shell, and the scraping assembly is arranged on the lower end face of the conveying assembly. The cleaning assembly is arranged on the right side of the scraping assembly. According to the continuous anti-blocking discharging structure of the kneading machine, materials are continuously conveyed step by step among different steps through multi-stage conveying, so that the discharging speed of the materials is buffered, the discharging speed is prevented from being too high, and meanwhile, blockage or interruption caused by the fact that excessive raw materials are concentrated on one conveying level at a time can be avoided through multi-stage conveying; according to the conveying belt, uniform distribution of materials can be kept, the risk of blockage is reduced, raw materials attached to the conveying belt can be scraped and cleaned in time through the scraping assembly and the cleaning assembly, and the situation that the raw materials are sticky and accumulated too much, and consequently discharging blockage is caused is prevented.
Owner:SHANDONG ZHUOER MASCH TECH CO LTD

Medicine bottle conveying system

A medicine bottle conveying system comprises an output device and a corner conveying device, the output device comprises a tray feeding conveyor (20), a bearing air cylinder (21) and a medicine bottle discharging conveyor (22), a set of medicine bottle trays (23) are sequentially arranged on the tray feeding conveyor (20), a medicine bottle feeding port is formed in one side of the discharging end of the tray feeding conveyor (20), and a medicine bottle discharging port is formed in the other side of the discharging end of the tray feeding conveyor (20). A feeding port of the medicine bottle discharging conveyor (22) is located below a discharging port of the tray feeding conveyor (20). The medicine bottle conveying device has the advantages that medicine bottles are conveyed in the medicine bottle tray and are prevented from being scattered through the medicine bottle tray, multiple groups of medicine bottles are integrally conveyed, and conveying efficiency is improved. The medicine bottle conveying speed is high, the medicine bottle is damped through the spring when passing through the conveyor corner on the tray, and the medicine bottle is prevented from directly colliding with a conveyor baffle.
Owner:MONYAN PHARMACEUTICAL CO LTD