Patents
Literature
1175results about How to "Reduce spread" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Intelligent power grid fault early warning and diagnosis system
ActiveCN119471181Asolve the real problemHigh precisionFault location by conductor typesInformation technology support systemData acquisitionGraph neural networks
The invention discloses a smart power grid fault early warning and diagnosis system, and relates to the technical field of smart power grids. Comprising a multi-modal data acquisition and fusion module, a deep reinforcement learning early warning module, a fault diagnosis module based on a graph neural network, an adaptive diagnosis module integrated with multi-task learning, an edge calculation and cloud collaboration module and a system test and verification module, and comprises the following steps: step 1, acquiring multi-source data through a power sensor, an intelligent electric meter and a meteorological station; dimension reduction and feature fusion are carried out on the data by using a depth auto-encoder model; 2, importing the collected data into a deep reinforcement learning early warning module, and dynamically adjusting an early warning strategy through interaction with a power grid operation environment; 3, a fault diagnosis module based on the graph neural network analyzes the topological structure of the power grid and identifies a fault position; 4, learning a model and processing a fault type; 5, edge calculation and cloud cooperative work are combined; and 6, testing, verifying and optimizing the model by the system testing and verifying module.
Owner:STATE GRID HEILONGJIANG ELECTRIC POWER COMPANY +1
Coal mine ventilation optimization and air quality regulation and control method based on adaptive learning
ActiveCN119435128Aimprove securityreduce deteriorationMining devicesEfficient regulation technologiesAdaptive learningTime data
The invention discloses a coal mine ventilation optimization and air quality regulation and control method based on adaptive learning, and relates to the technical field of coal mine ventilation optimization, and the method comprises the following steps: arranging a plurality of sensors in a mine, carrying out the real-time collection and monitoring of key environment parameters, and uploading the collected data to a central control system; and comparing the collected real-time data with historical data, and dividing the collected real-time data into conventional working condition data and abnormal working condition data according to environment states. Through real-time monitoring of various sensors and a deep learning algorithm, accurate ventilation control is achieved, a problem area is rapidly positioned in an emergency, airflow is dynamically adjusted, and safety of miners is guaranteed. According to the system, an LSTM model is adopted to predict an event trend in advance, preventive regulation and control measures are taken in time, real-time adjustment is supported, and the strain capacity is improved. Through a multi-stage ventilation mode, the system optimizes energy consumption and equipment operation efficiency, reduces unnecessary energy waste and maintenance cost, and realizes balance between safety and economy.
Owner:HUATING COAL GRP CO LTD +1
Crop disease remote sensing monitoring and early warning system based on time sequence spectral information analysis
ActiveCN119470286AIncrease productionprevent proliferationPhotogrammetry/videogrammetryScene recognitionEarly warning systemData information
The invention discloses a crop disease remote sensing monitoring and early warning system based on time sequence spectral information analysis, and relates to the technical field of agricultural disease and insect pest monitoring. Computer drawing software is utilized to divide a corn planting field in equal proportion, and sensors are deployed to monitor the growth environment change in each grid in real time and generate microenvironment data information; the method comprises the following steps: calculating a microenvironment difference index Xbd according to microenvironment data, identifying a microenvironment difference aggregation area and sending a risk analysis instruction, after receiving the risk analysis instruction, capturing related spectral data information of the microenvironment difference aggregation area by using an unmanned aerial vehicle and a multispectral sensor, and constructing a multispectral fluctuation coefficient Xgp by analyzing related spectral data, and comparing the calculated rust disease risk assessment index Zpg with a preset threshold W in combination with the microenvironment difference index Xbd and the trained risk assessment model, and obtaining corresponding grade early warning according to the rust disease risk degree.
Owner:INST OF AGRI ECONOMICS & INFORMATION HENAN ACADEMY OF AGRI SCI
Battery pack safety management method and system based on BMS, medium and program product
ActiveCN119291522AImprove charge and discharge performanceEasy to adjustElectrical testingElectrical batteryTesting Methods
The invention discloses a battery pack safety management method and system based on a BMS, a medium and a program product, and the method comprises the steps: obtaining temperature data, voltage data and current data; calculating temperature gradient data according to the temperature data; determining a heat diffusion direction between the battery monomers, and determining a heat source battery monomer with heat accumulation; calculating power fluctuation characteristics according to the voltage data and the current data of the heat source battery monomers; determining the influence degree of the heat source single battery on the adjacent single battery to obtain a propagation risk value; dividing a safety area of the battery pack based on the propagation risk value, and marking a high-risk area; screening key single batteries of which the charge and discharge depths exceed a preset safety threshold value; determining a safe buffer distance, and establishing a current power dynamic limit interval according to the safe buffer distance; and adjusting the charging and discharging current of the key single battery and all the single batteries in the preset range of the key single battery according to the current power dynamic limit interval. The safety of the battery pack is improved.
Owner:FUJI ELECTRONICS SHENZHEN
Data transmission method, system and device based on portable WiFi network
ActiveCN119485573Aimprove performanceincrease profitSpatial transmit diversityTransmission monitoringInterference (communication)Feature extraction
The invention relates to the technical field of wireless communication and data transmission, in particular to a data transmission method, system and device based on a portable WiFi network. The method comprises the following steps: acquiring initial multipath channel signal data; performing channel feature extraction on the initial multipath channel signal data to obtain antenna channel feature data; performing phased-array antenna beam calculation on the antenna channel characteristic data to obtain an antenna initial beam directional diagram; performing spatial filter interference suppression on the antenna initial beam directional diagram to obtain antenna optimization beam form data; performing digital beam forming on the antenna optimization beam form data to obtain antenna beam configuration parameters; performing network topology node analysis on the antenna beam configuration parameters to obtain a portable WiFi node distribution diagram; and carrying out improved on-demand routing calculation on the carry-on WiFi node distribution map to obtain an initial routing topological structure. According to the invention, the reliability of portable WiFi network data transmission is improved.
Owner:YILIAN TECH (SHENZHEN) CO LTD
Automatic acquisition and analysis system for laying hen breeding data
PendingCN119669853Aimprove qualityhigh outputCharacter and pattern recognitionAvicultureBiotechnologyDisease monitoring
The invention relates to the technical field of laying hen breeding, and discloses an automatic acquisition and analysis system for laying hen breeding data. The information acquisition unit is used for collecting physiological parameters, behavior data, environmental parameters and health indexes of laying hens in real time; the disease monitoring unit is used for analyzing the collected data and identifying physiological abnormality and behavior change before the disease occurs; the antibody level monitoring unit is used for evaluating the immune response capability of the laying hens to specific pathogens; the environment adaptability evaluation unit is used for evaluating the adaptability of the laying hens to the extreme environment according to the environment parameter change and the physiological response of the laying hens; the breeding decision support unit is used for integrating all data and analyzing the production performance, disease resistance and environmental adaptability of laying hens; an optimal feeding scheme is recommended, medicine use is reduced, and resource allocation is optimized.
Owner:江西省农业技术推广中心
Modified hexagonal boron nitride and organic silicon double-component doped high-flame-retardant epoxy resin powder coating as well as preparation method and application thereof
PendingCN119391262AImprove fire safetyavoid fireFireproof paintsPowdery paintsEpoxyHexagonal boron nitride
The invention relates to the technical field of coatings, and discloses a modified hexagonal boron nitride and organic silicon double-component doped high-flame-retardant epoxy resin powder coating as well as a preparation method and application thereof. Comprising the following raw materials in parts by weight: 25-50 parts of modified hexagonal boron nitride, 90-110 parts of organic silicon resin, 120-150 parts of epoxy resin, 5-8 parts of dicyandiamide, 100-120 parts of silica powder, 8-12 parts of other auxiliaries and 80-100 parts of filler. The flame-retardant epoxy resin powder coating is prepared by uniformly mixing the components, melting, extruding a sheet material, grinding and sieving. The flame-retardant and fireproof performance of the epoxy resin powder coating is greatly improved in a modified hexagonal boron nitride and organic silicon double-component doping mode.
Owner:MINNAN NORMAL UNIV
Fire-fighting engineering power system integrated control device
PendingCN119481986Astable jobGuaranteed liquidityDispersed particle filtrationTransportation and packagingCold airElectricity system
The invention relates to the technical field of integrated control devices, in particular to a fire engineering power system integrated control device which comprises a fixed bottom frame, an integrated control cabinet is fixedly connected to the top end of the fixed bottom frame, and an integrated control unit is fixedly connected to the interior of the integrated control cabinet. A cabinet door is rotationally connected to the outer wall of the integrated control cabinet body, a touch panel is connected to the outer wall of the cabinet door in an embedded mode, the touch panel is electrically connected with the integrated control unit, and air exhaust and dust removal mechanisms are arranged at the two ends of the integrated control cabinet body correspondingly. The air exhaust fan can be driven to exhaust hot air in the integrated control cabinet body to the outside for ventilation and heat dissipation, meanwhile, after the heat dissipation effect of the air exhaust fan is reduced and the temperature continuously rises, cold air is generated and cold air cooling is carried out in a saltpeter ice making mode, so that the temperature of the integrated control cabinet body is rapidly reduced, and stable work of the integrated control unit is guaranteed.
Owner:BEIJING AEROSPACE FOUNDATION TECHNOLOGY CO LTD
Self-adaptive switching method and system of current transformer
ActiveCN119643951AImprove the level of intelligencelower latencyCurrent/voltage measurementControl engineeringInstrument transformer
The invention relates to the technical field of equipment control, in particular to a self-adaptive switching method and system of a current transformer. The method comprises the following steps: collecting primary side parameters and secondary side parameters of a current transformer to obtain primary side collection parameters of the current transformer and secondary side collection parameters of the current transformer; performing current transformer state segmentation initialization according to the current transformer primary side acquisition parameters and the current transformer secondary side acquisition parameters so as to generate a current transformer operation state classification result; switching result judgment is conducted on the current transformers according to the current transformer operation state classification result, and when the current transformer operation state classification result is a current transformer critical state section, parallel buffering is conducted on the current transformers, and critical current transformer switching data are generated. According to the invention, through accurate state classification, a dynamic switching mechanism, time sequence optimization and visual display, the switching sensitivity and stability of the current transformer are improved.
Owner:SHENZHEN RUIQIZHENG TECH CO LTD
Fireproof plate and preparation method thereof
PendingCN119567381Ahigh strengthImprove stabilityWood working apparatusConstructions elementsEpoxyFiberglass mesh
The invention relates to the field of building materials, and particularly discloses a fireproof plate and a preparation method thereof. The fireproof board comprises a base material, reinforcing layers wrapping the two sides of the base material and fireproof coatings coating the outer surfaces of the two sides of the board, the base material comprises wood flour, silicate compounds and phenolic resin adhesives, the two sides of the base material are wrapped with glass fiber mesh cloth to serve as the reinforcing layers, and the surfaces of the base material are coated with the fireproof coatings; the fireproof coating is prepared from the following raw materials in parts by weight: 20 to 30 parts of hollow glass beads, 10 to 15 parts of ammonium polyphosphate, 5 to 10 parts of nano metal oxide, 10 to 15 parts of magnesia, 5 to 10 parts of tetraethoxysilane, 15 to 30 parts of epoxy resin and 30 to 40 parts of water. The composition disclosed by the invention has the advantages of fire prevention and high temperature resistance.
Owner:ZHANGJIAGANG FEITENG ALUMINUM COMPOSITE PANEL
Multifunctional automatic laser cutting machine
InactiveCN119260208Aavoid mobilityavoid shakingWelding/cutting auxillary devicesAuxillary welding devicesElectric machineryLaser cutting
The invention discloses a multifunctional automatic laser cutting machine, and relates to the technical field of laser cutting, the multifunctional automatic laser cutting machine comprises a base, a support is fixedly mounted at the top of the base, a first motor is fixedly mounted at the top of the support, a threaded rod is fixedly mounted at the output end of the first motor, and a sleeve is in threaded connection with the threaded rod; a clamping device is arranged at the top of the base, a collecting device is arranged at the top of the base, a ventilation device is arranged at the top of the clamping device, and the clamping device comprises an electric push rod, cutting equipment, a laser head, a bevel rod, a cutting table, a clamping plate, a first bevel block, a connecting rod and a protective plate. A workpiece can be effectively fixed to the cutting table, the workpiece is prevented from moving or shaking in the laser cutting process, the cutting precision is improved, and the connecting rod moves to drive the protection plate to move.
Owner:KUAID (JIANGSU) AUTOMATION TECH CO LTD
Flame-retardant high-strength composite cable material and preparation method thereof
InactiveCN119144073AImprove mechanical propertiesImprove flame retardant performancePlastic/resin/waxes insulatorsLow-density polyethyleneOctene
The invention discloses a flame-retardant high-strength composite cable material and a preparation method thereof, belongs to the technical field of cable material processing, and is used for solving the technical problem that the mechanical strength and flame retardance of a composite cable material need to be further improved when the composite cable material in the prior art is reinforced by using expandable graphite. The low-density polyethylene composite material is prepared from the following components in parts by weight: 100 parts of low-density polyethylene, 20 to 30 parts of ethylene-octylene copolymer, 25 to 35 parts of composite polysiloxane, 1 to 1.5 parts of dicumyl peroxide, 3 to 5 parts of auxiliary additive and 10 to 14 parts of modified magnesium hydroxide. The low-density polyethylene and the ethylene-octylene copolymer are reinforced to prepare the composite cable material, so that the flame retardant property of the composite cable material is effectively improved, and the mechanical property of the composite cable material is also improved.
Owner:JIANGSU HONGYE WIRE CO LTD
Laser welding machine for processing fuel gas barbecue oven
The invention relates to the technical field of laser welding, and discloses a laser welding machine for gas barbecue oven machining, which comprises a welding box, a first box door is hinged to the front surface of the welding box, a second box door is hinged to the back of the welding box, a welding platform is fixedly connected to the interior of the welding box, and a collecting groove is formed in the welding platform. A collecting box is slidably connected into the collecting groove, the front face of the welding platform is obliquely arranged in a slope mode, sweeps on the top of the barbecue oven can be blown away through an air blowing pipe so that the sweeps can slide to the slope of the welding platform, a brush can blow away the sweeps on the slope, and therefore cleaning of the welding sweeps is achieved. And the interior of the transverse groove is knocked through the knocking ball, so that falling of scraps on the inclined face of the welding platform can be accelerated, scrap cleaning is achieved, the probability of generation of welding defects such as air holes and slag inclusion can be reduced through scrap cleaning, welding seams are more uniform and compact, and the welding quality is guaranteed.
Owner:ENSHIZHOU LIZE ENVIRONMENTAL TECH DEV CO LTD
Thermally-induced flexible composite phase change material coupled multi-cross-linked network aerogel material and thermal protection application
ActiveCN119144298AImprove flame retardant performanceImprove thermal protection performanceHeat-exchange elementsAerogel preparationElectrical batteryCross linker
The invention discloses a thermally-induced flexible composite phase change material coupled multi-crosslinking network aerogel material and thermal protection application, and belongs to the technical field of new materials. The coupling material is composed of multiple cross-linked network aerogel, a thermally-induced flexible composite phase change material and a binder. Wherein the thermally-induced flexible composite material is a hydrated inorganic salt phase-change material, the binder is a flame-retardant inorganic binder, and the multi-crosslinked network aerogel is a sodium alginate / gelatin composite material and is crosslinked through a double-crosslinking agent to form a stable multi-network structure for improving the flame retardance and mechanical strength of the aerogel. The prepared coupling material has high flame retardance and good heat insulation performance, and is very suitable for large-scale application in the field of thermal protection in buildings, batteries and electronic devices in the future.
Owner:DALIAN UNIV OF TECH
Composite diaphragm, preparation method thereof and secondary battery
ActiveCN119601903Areduce spreadimprove securitySecondary cellsCell component detailsElectrochemical responsePolyolefin
The invention discloses a composite diaphragm, a preparation method thereof and a secondary battery. The composite diaphragm comprises a base diaphragm, the polymer coating is arranged on at least one surface of the base membrane, and the polymer coating comprises a cross-linked polymer which is formed by in-situ polymerization of a first monomer and a second monomer and has a network structure; wherein the first monomer is a monomer at least comprising a carbon-carbon double bond and an ester functional group; the second monomer is a monomer at least comprising a carbon-carbon double bond and a carbonyl functional group. Compared with the prior art, the composite diaphragm disclosed by the invention is applied to the lithium ion battery, and when the battery is overheated or short-circuited and other abnormal conditions, the polymer coating forms a compact cross-linked polymer network, so that the defect that the traditional polyolefin substrate diaphragm is easy to break at high temperature is overcome, the occurrence of thermal runaway of the battery is effectively inhibited, and the service life of the battery is prolonged. The electrochemical reaction of the battery can be stopped, and the safety of the battery is remarkably improved.
Owner:广州融捷能源科技有限公司
GaN-based alpha particle detector and preparation method thereof
ActiveCN119403250Areduce spreadreduce lossesFinal product manufactureRadiation intensity measurementElectron holeIncident energy
The invention provides a GaN-based alpha particle detector and a preparation method thereof, the GaN-based alpha particle detector comprises a substrate and an epitaxial structure epitaxially formed on the substrate, and the epitaxial structure comprises a multi-quantum well layer. A multi-quantum well layer is introduced, the multi-quantum well layer absorbs incident energy of alpha particles and correspondingly excites a large number of electron-hole pairs, and the electron-hole pairs are limited in quantum wells by the quantum confinement effect of the multi-quantum well layer, so that not only is the loss of electron-hole pair diffusion and recombination reduced, but also the service life of current carriers is prolonged, and the performance of the device is improved. The carrier collection efficiency of the alpha particle detector is greatly improved, and more electron-hole pairs can be collected and converted into electric signals to be output, so that the performance of the alpha particle detector is improved.
Owner:TSINGHUA UNIVERSITY
High-capacity on-load voltage regulating transformer
PendingCN119581201AImprove economyImprove reliabilityTransformers/inductances coolingVariable inductancesBodies oilVoltage regulation
The invention discloses a high-capacity on-load tap-changing transformer which comprises a body oil tank, a capsule type oil conservator is installed on the upper portion of one end of the body oil tank, an on-load tap-changing switch is installed at the other end of the body oil tank, and radiators are installed outside the two opposite sides of the body oil tank. A transformer body in the body oil tank is composed of windings and an iron core, the windings comprise a low-voltage winding, a high-voltage winding, a coarse voltage regulation winding and a fine voltage regulation winding which are sequentially arranged from inside to outside, and the high-voltage winding, the coarse voltage regulation winding and the fine voltage regulation winding are connected with the on-load tap-changer through leads. By adopting a coarse and fine voltage regulation structure, the coarse voltage regulation winding and the fine voltage regulation winding can be completely thrown away when the transformer operates at the most negative tap, so that stray loss caused by magnetic leakage can be effectively reduced, resistance loss caused by self resistance of the voltage regulation windings is reduced, and economical efficiency and reliability of operation of the transformer are greatly improved.
Owner:WUJIANG TRANSFORMER CO LTD
Battery pack explosion-proof structure and battery pack
PendingCN119231085Aimprove securityreduce spreadBattery isolationSecondary cellsElectrical batteryNew energy
The invention relates to the technical field of new energy batteries, in particular to a battery pack explosion-proof structure and a battery pack, the battery pack explosion-proof structure structurally comprises an outer shell, a heat insulation sheet and a wire harness fixing part, a mounting cavity is formed in the outer shell, the mounting cavity is used for mounting a battery cell module, the heat insulation sheet is arranged on one side, close to an electrode end of the battery cell module, in the mounting cavity, and a through hole is formed in the heat insulation sheet; the outer shell is provided with a first mounting surface, an explosion venting channel is arranged among one surface, facing the electrode end of the battery cell module, of the outer shell, the first mounting surface and the heat insulation sheet, the explosion venting channel is communicated with the through hole, a first explosion-proof piece is arranged on the first mounting surface, and the first explosion-proof piece is communicated with the explosion venting channel and is used for discharging pressure in the battery pack to the outside; the wire harness fixing part is arranged on the side, close to the first anti-explosion piece, in the installation cavity. The direct influence of high-pressure gas or high temperature on the wire harness is reduced, the thermoelectric separation effect is achieved, the damage to a circuit during thermal runaway is reduced, and the safety of the battery pack is improved.
Owner:广州融捷能源科技有限公司
Laser cutting device and cutting method thereof
ActiveCN119457485Achange the microstructureGuaranteed accuracyLaser beam welding apparatusElectric machineryLaser cutting
The invention relates to the technical field of laser cutting, in particular to a laser cutting device and a cutting method thereof.The laser cutting device comprises multiple supporting legs, a cutting mechanism is installed at the tops of the multiple supporting legs, the cutting mechanism comprises a conveying frame, and the conveying frame is fixedly installed at the tops of the supporting legs; the number of the conveying frames is two, a first motor is fixedly installed on the side portion of the right conveying frame, the conveying rollers are rotatably installed in the conveying frames, the number of the conveying rollers is two, an output shaft of the first motor is fixedly connected with the rear conveying roller, and a conveying belt is installed on the surfaces of the conveying rollers. Through the arrangement of the cleaning mechanism, the surface of a material needing to be subjected to laser cutting can be subjected to water spraying cleaning, after impurities such as oil stains, dust and an oxide layer on the surface of the material are cleaned, a laser beam can accurately act on the pure surface of the material, and extra impurities cannot be generated on the cleaned surface of the material in the laser cutting process.
Owner:GUANGDONG RUIHUI INTELLIGENT TECH CO LTD
DAAO / HRP-MAF-7 hydrogel as well as preparation method and application thereof
ActiveCN119307482AEasy to detecthigh selectivityMicrobiological testing/measurementBiological material analysisOxidative enzymeHorseradish peroxidase
The invention belongs to the technical field of biosensing instant detection, and relates to DAAO / HRP-MAF-7 hydrogel as well as a preparation method and application thereof. The hydrogel is formed by immobilizing horse radish peroxidase (HRP) and D-amino acid oxidase (DAAO) in a hydrophilic metal organic framework MAF-7, and then loading the prepared DAAO / HRP-MAF-7 biological composite material and a color developing agent TMB in PEG-DA hydrogel together. The DAAO / HRP-MAF-7 hydrogel can be used as a biosensor to be applied to detection of D-amino acid.
Owner:DEZHOU UNIV
Intelligent reminding method and system for nursing interruption event
ActiveCN119580965Aavoid harmreduce spreadHealthcare resources and facilitiesAcquiring/recognising facial featuresNursing processNursing care
According to the nursing interruption event intelligent reminding method and system and the storage medium, firstly, the nursing interruption event is accurately recognized and judged, then, the social relation between the external personnel and the medical personnel related to the nursing interruption event is recognized and judged, then, the emotion of the external personnel is monitored in time, and dangerous behaviors possibly implemented by the external personnel are predicted; according to the invention, when the nursing interruption event occurs, the medical staff is reminded, so that the confusion and no-measure state when the nursing interruption event occurs is filled up, the possible personal injury is avoided, and the influence of the nursing interruption event on the patient in the nursing process is reduced.
Owner:WOMEN & CHILDRENS MEDICAL CENTER AFFILIATED WITH GUANGZHOU MEDICAL UNIVERSITY
Gate cleaning device for water conservancy project
The gate cleaning device for the water conservancy project particularly relates to the technical field of cleaning devices.The gate cleaning device comprises a device base, rectangular rods are fixedly connected to the four corners of the upper end of the device base, a first cleaning assembly is jointly arranged on the inner surfaces of the rectangular rods on the same side, and a spraying assembly is arranged at the lower end of the first cleaning assembly; second cleaning assemblies are symmetrically arranged at the left end and the right end of the first cleaning assembly. According to the gate cleaning device for the water conservancy project, through the arrangement of the first cleaning assembly, the spraying assembly and the second cleaning assembly, a gate can be flushed up and down and then cleaned, then rust attached to the outer surface of the gate can be cleaned again by spraying a rust remover, mud and the rust are effectively removed, the cleaning efficiency is improved, and the practicability is high. Meanwhile, sludge and sundries attached to the inner surface of the gate groove are cleaned, the gate can be effectively prevented from being blocked, the gate opening and closing resistance is reduced, the operation efficiency of water conservancy facilities is improved, and the service life of the gate groove and the gate is prolonged.
Owner:SHANDONG YELLOW RIVER RIVER AFFAIRS BUREAU SHANDONG YELLOW RIVER INFORMATION CENT
Construction drilling device and supporting structure construction method
ActiveCN119553974Aavoid inhalationreduce floatingUnderground chambersConstructionsSprayerDrilling machines
The invention belongs to the technical field of soil layer drilling, and particularly relates to a construction drilling device and a supporting structure construction method.The device comprises a control mechanism, a bearing mechanism, a drilling mechanism, a dustproof mechanism and a backflow mechanism; the drilling mechanism comprises a drilling machine and a connector; the connector is used for connecting a drill bit and an output shaft of the drilling machine; the bearing mechanism comprises a bearing plate and a mounting plate for mounting a drilling machine, and the mounting plate is movably arranged on the side wall of the bearing plate; the movement of the bearing plate and the mounting plate is controlled by a control mechanism; the dustproof mechanism comprises a water curtain nozzle and a cooling nozzle; the water curtain nozzle and the cooling nozzle are annularly and uniformly arranged on the mounting plate along the axis of the connector; nozzles of the water curtain sprayers are obliquely arranged; through the cooperation of the structure, a cylindrical water curtain can be formed when the device drills a soil layer, the generated water curtain makes contact with a rock wall in real time, and dust is prevented from flying out as much as possible. By means of the device, efficient construction is conducted on a soil layer or a rock wall, and installation of a follow-up supporting structure is facilitated.
Owner:CHINA RAILWAY 23RD BUREAU GRP THIRD ENG CO LTD
Cutting device for hydraulic rubber pipe production
ActiveCN222387099Ueasy to replaceGuaranteed stabilityMetal working apparatusElectric machineryHydraulic pressure
The utility model relates to the technical field of hydraulic rubber tube processing, and discloses a cutting device for hydraulic rubber tube production, which comprises a cutting table and a mounting frame, a motor is fixedly connected in the mounting frame, a rotating rod is fixedly connected to the output end of the motor, a connecting ring is fixedly connected to the outside of the rotating rod, a connecting rod is arranged in the connecting ring, and a cutting head is arranged on the cutting table. Mounting pipes are fixedly connected to the two sides of the interior of the connecting ring, moving discs are slidably connected to the interiors of the mounting pipes, mounting rods are fixedly connected to the lower portions of the moving discs, pull rods are fixedly connected to the upper portions of the moving discs, grips are fixedly connected to the tops of the pull rods, and springs sleeve the pull rods; and a cutting knife is fixedly connected to the outer part of the connecting rod. According to the cutting device, the abraded cutting knife can be replaced conveniently, the stability of cutting quality and efficiency is ensured, production problems caused by abrasion are reduced, and the working efficiency of the cutting device is improved.
Owner:LUOHE YUANJI RUBBER PROD CO LTD
Smoke-suppressing and flame-retardant low-voltage cable
InactiveCN119650170Areduce spreadEnsure normal power deliveryClimate change adaptationInsulated cablesInterior spaceLow voltage
The invention relates to the technical field of cables, and provides a smoke-suppression flame-retardant low-voltage cable, which comprises a plurality of wire cores, an insulating layer and a sheath, the insulating layer wraps the wire cores, the cable also comprises an isolation frame and a connector, the isolation frame is arranged in the sheath and divides the internal space of the sheath into a plurality of wire cavities, and the connector is arranged in the wire cavities. The wire core is arranged in the wire cavity, the wire cavity is filled with ceramic particles, the connector is used for connecting two sections of cables and comprises a first connecting seat, a second connecting seat, a plug socket and a connecting piece, the first connecting seat and the second connecting seat are arranged at the two ends of the outer skin respectively and connected with the outer skin and the isolation frame, and the plug socket is connected with the connector. The first connecting seat and the second connecting seat are made of flame-retardant insulating materials, the plug is arranged in the first connecting seat, and the socket is arranged in the second connecting seat. According to the technical scheme, the problems of property loss and safety accidents caused by overload heating and combustion of the low-voltage cable in the prior art are solved.
Owner:CHUANYUE CABLE GRP CO LTD
Wafer refrigerating system of ion implanter
PendingCN119208190Agood electrical propertiesincrease profitElectric discharge tubesFinal product manufactureWaferNitrogen gas
The invention discloses a wafer refrigerating system of an ion implanter, which is characterized in that a cold ring and a process target disc for bearing a first wafer are arranged in a process chamber, the process target disc is arranged at the top of the cold ring, and the bottom of the cold ring is connected with a distributor through a refrigerant penetrating pipe; a pre-cooling ring and a pre-cooling target disc used for bearing a second wafer are arranged in a mechanical arm cavity, the pre-cooling ring is arranged at the bottom of the pre-cooling target disc, the bottom of the pre-cooling ring is connected with a distributor through a pipeline, the distributor is connected with a cold source through a pipeline, and low-temperature nitrogen provided by the cold source is conveyed into the distributor to be distributed for the second time. Then the wafers are conveyed to a cooling ring and a pre-cooling ring respectively, so that the first wafer on the process target disc and the second wafer on the pre-cooling target disc are cooled to a preset temperature; and the low-temperature nitrogen is subjected to heat exchange in the cold ring and the pre-cooling ring, then returns to the distributor and finally returns to the cold source for cyclic utilization. The low-temperature injection device has the characteristics of compact structure, convenience in operation, high refrigeration efficiency and the like, and the overall working efficiency of low-temperature injection is improved.
Owner:BEIJING SHUOKE ZHONGKEXIN ELECTRONICS EQUIP CO LTD
Antioxidant carbon aerogel material and preparation method thereof
ActiveCN119660710AImprove antioxidant capacityTo achieve the effect of double protectionCarbon preparation/purificationColloidal chemistry detailsModified carbonThermal insulation
The invention discloses an antioxidant carbon aerogel material and a preparation method thereof. The method comprises the following steps: sequentially adding a solvent, a boron-containing modifier and a silicon-containing modifier into phenolic resin for esterification reaction; sequentially curing, drying and carbonizing to obtain boron-silicon modified carbon aerogel; depositing a SiC inner coating on the boron-silicon modified carbon aerogel under the assistance of supercritical CO2; a Zr-Si ceramic oxygen barrier layer and a SiO2 sealing and filling layer are sequentially prepared through a sol-gel method, and the carbon aerogel material with the SiC-Zr / Si-SiO2 composite coating is prepared. The invention also provides the aerogel material prepared by the method, the oxidation resistance of the aerogel material is obviously improved, and the aerogel material can be used for preparing a thermal insulation material applied to the field of high-temperature thermal protection.
Owner:AEROSPACE INST OF ADVANCED MATERIALS & PROCESSING TECH
Infrared energy-saving cover and gas appliance
PendingCN119289398AImprove energy savingreduce contentDomestic stoves or rangesStoves/ranges topsInfraredThermal insulation
The invention discloses an infrared energy-saving cover and a gas appliance, and aims to overcome the defects that in the prior art, the gas appliance is low in gas combustion efficiency, and meanwhile heat is prone to loss. The technical problem is solved through the following technical scheme that the infrared generator comprises an infrared generating cover and a heat preservation and heat insulation cover arranged on the outer side of the infrared generating cover; an air preheating cavity is formed between the heat preservation and heat insulation cover and the infrared generation cover; the air preheating cavity is provided with an air inlet channel communicated with outside air, and a plurality of air outlets are formed in the infrared generation cover in a penetrating mode. Air enters from the air inlet channel, passes through the air preheating cavity and then flows out from the air outlet. Air flows in from the bottom of the air preheating cavity and is heated when passing through the air preheating cavity, and the heated air is sprayed out from the air outlet and is subjected to high-temperature secondary combustion with fuel gas. And in the combustion-supporting environment of high-temperature air heated by the air preheating cavity, the combustible gas can be secondarily combusted and consumed completely, and harmful gas and black pot are prevented from being formed.
Owner:HANGZHOU QIRAN ENERGY-SAVING TECHNOLOGY CO LTD
Ironing equipment
ActiveCN222294504Uavoid burnsreduce spreadIroning apparatusTextiles and paperMechanical engineeringWater tanks
Owner:深圳市腾奔科技有限公司
High-strength corrosion-resistant ABS composite flame-retardant material and preparation method thereof
The invention belongs to the technical field of polymer composite materials, and particularly relates to a high-strength corrosion-resistant ABS composite flame-retardant material and a preparation method thereof. The ABS composite flame retardant material is prepared from the following raw materials in parts by weight: 60 to 75 parts of acrylonitrile-butadiene-styrene, 10 to 15 parts of glass fiber, 0.5 to 1 part of gamma-aminopropyltriethoxysilane, 8 to 12 parts of phosphorus-nitrogen flame retardant, 1 to 3 parts of nano aluminum oxide, 0.5 to 1 part of potassium perfluorooctane sulfonate, 1 to 3 parts of epoxy modified graphene oxide and 5 to 8 parts of modified nano montmorillonite. Through the synergistic effect of the epoxy silane modified graphene oxide and the long-chain alkylsilane modified nano montmorillonite, the mechanical property, the corrosion resistance and the flame retardant effect of an ABS matrix are remarkably enhanced. The modified material maintains toughness under high strength, effectively avoids embrittlement, and shows excellent impact resistance and environmental protection property.
Owner:GUANGDONG ENZINIER SPECIAL PLASTICS CO LTD