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2D carbon/silicon-silicon carbide composite material pin preparation method and preparation method and structure of 2D carbon/silicon-silicon carbide composite material pin preform
ActiveCN105835455AEven by forceImprove mechanical propertiesLaminationLamination apparatusBatch productionCeramic matrix composite
The invention relates to a 2D carbon / silicon-silicon carbide composite material pin preparation method and a preparation method and structure of a 2D carbon / silicon-silicon carbide composite material pin preform. The pin preparation method comprises 1, preparing a preform through horizontal paving (0 degree)-inclined paving (45 degrees) alternative laying of a 2D carbon fabric, graphite mold-based setting and carbon fiber vertical seaming on the multilayer carbon fabric, 2, depositing a pyrolytic carbon protective layer in the preform, 3, carrying out chemical vapor infiltration (CVI) to obtain a silicon carbide base, 4, cutting a flat blank to obtain a strip-shaped pin blank with the square section, 5, carrying out CVI silicon carbide protection of exposed fibers, 6, carrying out reactive melt infiltration (RMI) treatment, 7, milling the pin blank to obtain a pin with a standard size and 8, carrying out examination to obtain a carbon / silicon-silicon carbide composite material pin finished product. Through combination of CVI and RMI, the preparation method has the advantages of low production cost, short production period, low product porosity, high density and batch production. The ceramic-based composite material prepared by the CVI and RMI has shear strength of 80-100MPa at the room temperature.
Owner:XIAN XINGUI CERAMIC COMPOSITE MATERIAL CO LTD
Street light fitting with luminous diode heat radiating device
InactiveCN101338888AGuaranteed interface temperature controlGuaranteed lifePoint-like light sourceSemiconductor/solid-state device detailsHeat conductingComputer module
The invention relates to a street lamp which is provided with a LED heat radiator, an outdoor illuminating device applied to streets or public squares. The street lamp comprises a lamp box; an illuminating window is arranged on the lower body of the lamp box; a transparent lamp house is mounted on the illuminating window; the lower box body is connected with an upper box body; an arched framework with a vaulted cross-section is arranged at the lower box body; a plurality of luminescent modules are mounted on the lower surface of the arched framework, and radiating members are mounted on the upper surface of the arched framework. The luminescent LED of the luminescent module is connected with a rapid radiating metal-base printed circuit board in a heat-conducting manner. The invention adopts a rapid radiating metal-base printed circuit board; the structure and material ensure that heat produced during the operation of the LED can be transmitted to the heat radiator rapidly and efficiently. The invention also includes a series of heat radiating members made of solid conducting mediums with sound heat-conducting performance which can transmit the heat directly into outdoor air; and the solid medium can protect the electric apparatus inside the lamp box from being eroded by winds, rains and dusts.
Owner:BEIJING ZIXINGLI LIGHTING TECH
Automobile rubber protecting agent and manufacturing method thereof
The invention discloses an automobile rubber protecting agent and a manufacturing method thereof. The automobile rubber protecting agent comprises the following components, by mass, 50-80% of a C8-13 aryl-free alkane, 1-10% of silicone oil, 1-10% of a silicone resin, 0.1-1% of a wetting agent, 0.05-1% of an antioxidant, 0.1-0.5% of a light stabilizer, and 20-40% of a deodorized liquefied petroleum gas. The manufacturing method comprises the following steps: 1, adding silicone oil, the silicone resin, the wetting agent, the antioxidant and an ultraviolet ray absorbent to a solvent; 2, uniformly stirring, pittng an obtained solution into an aerosol can after the complete dissolving, and 3, finally charging the deodorized liquefied petroleum gas into the aerosol can to obtain the automobile rubber protecting agent of the invention. The automobile rubber protecting agent of the invention allows the erosion of oxygen, ozone, light, heat, acid rain and the like to rubber members to be obstructed, the rubber hardening and aging to be prevented, the service time of the rubber members to be prolonged, and oil stains adhered to the rubber surface to be cleaned, so the rubber surface looks like new.
Owner:JIANGXI CHEPU IND CO LTD
Packaging structure, packaging method and photoelectric equipment
ActiveCN107819081AIncrease profitFacilitated DiffusionSemiconductor/solid-state device detailsSolid-state devicesLiquid layerLight-emitting diode
Owner:NANJING TECH CORP LTD
Spring bracket allowing on-spot adjustment
ActiveCN103527858ASmall structure sizeImprove job stabilityPipe supportsStructural engineeringMechanical engineering
The invention relates to a spring bracket allowing on-spot adjustment. A top sliding pair is installed on the top of a spring bracket upper strut and used for supporting a pipeline holder and a pipeline. A vertically-downward lower sleeve is arranged on the bottom face of the spring bracket upper strut. A spring bracket lower strut is arranged below the spring bracket upper strut. A vertically-upward upper sleeve is arranged on the top face of the spring bracket lower strut. The upper sleeve is sleeved with the lower sleeve. A working spring is arranged in the upper sleeve. The upper end of the working spring abuts against the bottom face of the spring bracket upper strut, and the lower end of the working spring is pressed on the top face of the spring bracket lower strut. The spring bracket upper strut and the spring bracket lower strut are connected through a load preloading value adjusting mechanism and can move vertically relative to each other. The spring bracket allowing on-spot adjustment is simple in structure and indigenous in design; compared with a spring bracket of the same type, the spring bracket allowing on-spot adjustment is more stable in performance and more convenient to construct and install, and meets design requirements better in actual working performance, thereby being capable of guaranteeing long-term and safe operation of a pipeline.
Owner:JIANGSU MINGJIANG MACHINERY MFG
Fracturing slide sleeve capable of being opened and closed for many times
ActiveCN103291271AGuaranteed flowbackEasy to flow backFluid removalWell/borehole valve arrangementsSet screwVulcanization
The invention relates to the technical field of oil and gas field horizontal well multi-step fracturing, in particular to a fracturing slide sleeve capable of being opened and closed for many times. The fracturing slide sleeve comprises a fracturing ball, an upper joint, a set screw, a fracturing sleeve, an O-shaped ring, a sand-preventing ring, a striking-off ring, a vulcanization sealing ring, an upper internal slide sleeve, a ball seat, a lower internal slide sleeve, a key, a baffle ring, a locating ring, a shearing ring, a shearing pin, a protecting sleeve and a lower joint. The fracturing slide sleeve is mainly used in the oil and gas field horizontal well section and multistage fracturing, pipe columns of single trip are converted into production pipe columns after ball throwing and fracturing in a multilayer and step-by-step mode. A continuous oil pipe is used for drilling and removing a cast iron ball seat and a composite fracturing ball seat in a one-time mode, and the larger drift diameter is reserved. The internally-arranged groove structure and a matched switch tool can achieve the objective that a fracturing channel of any layer can be opened or closed for many times, and the vulcanized rubber seal structure ensures that the fracturing slide sleeve resists the high temperature and the high pressure.
Owner:四机赛瓦石油钻采设备有限公司
Multifunctional compact traction device for center pin
ActiveCN104477195ASimple and lightweight structureHigh installation pointDraw-gearBogie-underframe connectionsEngineeringMultiple function
The invention discloses a multifunctional compact traction device for a center pin. The traction device comprises a center pin seat, a traction base connected with the center pin seat, a traction bar assembly installed on the traction base and transverse absorbers, wherein the lower parts of the center pin seat are provided with two absorber seats as rib plates, the absorber seats are provided with transverse absorbers; the traction seat is a semi-closed structure used for enveloping the traction bar, and the left side plate and right side plate of the traction seat are provided with transverse backstops. According to the multifunctional compact traction device provided by the invention, the structure can be simplified and the functions of the traction devices can be enriched; furthermore, the problems that the traction seat is large in welding quantity, the center pin seat is single in function and the interference is likely to be caused can be solved to a large extent.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO
Industrial camera with protection function
PendingCN110830700AImprove image quality and service lifeNo manual maintenanceTelevision system detailsColor television detailsEngineeringLight source
Owner:青岛九维华盾科技研究院有限公司
Piglet and calf amniotic fluid adsorbent and preparation method thereof
InactiveCN102423692AImprove the growing environmentPromote absorptionOther chemical processesAnimal husbandrySorbentWhole body
The invention discloses a piglet and calf amniotic fluid adsorbent and a preparation method thereof. The adsorbent consists of the following raw materials by weight: 40 to 48kg of montmorillonite, 1 to 2kg of boric acid, 2 to 3kg of zinc oxide, 30 to 40kg of light calcium carbonate, 0.5 to 1kg of potassium hydrogen persulfate, 8 to 12kg of zeolite powder, 2 to 5kg of talcpowder, 0.5 to 1kg of eucalyptus oil, 0.5 to 1kg of rosemary essential oil, 0.5 to 1kg of clove oil and 0.5 to 1kg of geranium oil. The preparation method comprises the following steps of: (1) grinding the boric acid, the potassium hydrogen persulfate and the zinc oxide for later use; (2) mixing the materials for later use and the zeolite powder, adding the eucalyptus oil, the rosemary essential oil, the clove oil and thegeranium oil, and mixing to obtain materials for later use; and (3) mixing the montmorillonite, the talcpowder and the light calcium carbonate, mixing the materials for later use, blanking, and packing into bags. The adsorbent is quickly and uniformly coated on the whole bodies of newly born piglets and calves, can quickly absorb amniotic fluid on the bodies, ensures that heat of the bodies is not diffused, is easy to fall, enhances the physique of the piglets and the calves, and improves the survival rate.
Owner:QILU ANIMAL HEALTH PROD
Selenium peptide nanometer self-emulsifying powder, and preparation method and application thereof
ActiveCN105797131AStable physical and chemical propertiesImprove bioavailabilityPowder deliveryPeptide/protein ingredientsMaillard reactionFreeze-drying
The invention discloses selenium peptide nanometer self-emulsifying powder, and a preparation method and application thereof. In a typical implementation scheme, the preparation method comprises the following steps that endogenic soy isolate protein is used as a hydrophilic and lipophilic nonionic surfactant; medium chain triglyceride with small irritation is used as an oil phase of a self-emulsifying system; selenium and polysaccharide is combined with polypeptide through maillard reaction to be used as biological active ingredients; freeze drying is performed after the milk formation; the selenium peptide nanometer self-emulsifying powder is prepared. The selenium peptide nanometer self-emulsifying powder provided by the invention has the excellent biocompatibility and bioavailability; the secondary solubility is good; the storage and the eating are convenient; the preparation process is simple; the quality is stable; the selenium peptide nanometer self-emulsifying powder is suitable for mass production.
Owner:ANHUI ZHONGGU BIOTECH CO LTD
Low-viscosity environment-friendly electronic tri-proof paint and preparation method and application thereof
InactiveCN108531028ALow viscosityLower surface energyAntifouling/underwater paintsPaints with biocidesToxic materialSolvent
The invention provides a preparation method for low-viscosity environment-friendly electronic tri-proof paint. The low-viscosity perfluocarbon polymer electronic tri-proof paint is synthesized by using perfluoroalkyl acrylate as a base material, and using modified graphene as an additive. The perfluoroalkyl acrylate is synthesized through free radical polymerization of four mixtures of methyl acrylate, butyl acrylate, tert-Butyl acrylate and hydroxyethyl acrylate and a high-performance fluorine-containing monomer. The modified graphene is graphene prepared by lipophilic modification, and can be blended with the perfluoroalkyl acrylate. Firstly, the low-viscosity environment-friendly electronic tri-proof paint is lower in viscosity, and good in heat radiation, and is capable of coating andforming about 5-10 um of a thin film on a circuit board; secondly, a solvent and a polymer in a product are safe and low-toxic substances without damaging an ozone layer; and thirdly, because of the combined action of the graphene and the fluorine-containing monomer, the paint film can bear the impact of about 80 KG of an external force and does not fall off.
Owner:上海利物盛纳米科技有限公司
Mucous membrane adhering microsphere carrying mucous membrane penetrating nanoparticles and preparation method
ActiveCN108403660AImprove transport efficiencyImprove intake capacityOrganic active ingredientsAntipyreticEmulsionNanoparticle
The invention discloses mucous membrane adhering microsphere carrying mucous membrane penetrating nanoparticles and a preparation method. The preparation method includes: adopting an emulsifying method to prepare a medicine-containing nanoparticle emulsion as a core; adopting an electrostatic spraying method to prepare the nanoparticle emulsion into microspheres to obtain the mucous membrane adhering microsphere carrying mucous membrane penetrating nanoparticles. Mucous membrane adhering medicine and mucous membrane penetrating medicine are combined to prepare microspheres effectively adheredon the surface of a mucous membrane, and the mucous membrane penetrating nanoparticles are slowly released in the process of degrading the microspheres, so that the problem that the mucous membrane adhering medicine is low in administration efficiency and the problem that the mucous membrane penetrating medicine is difficult to break away from chime are solved, and administration efficiency is improved.
Owner:NANJING GENERAL HOSPITAL NANJING MILLITARY COMMAND P L A
Self-repairing polypropylene skin material for surface of building template and preparation and use methods
InactiveCN110396245AExcellent mechanical properties and corrosion resistanceImprove toughnessPolypropyleneAntioxidant
The invention relates to the technical field of construction building templates, and discloses a self-repairing polypropylene skin material for the surface of a building template and preparation and use methods thereof. The skin material is in contact with the surface of the building template and comprises the following components in parts by weight: 100 parts of polypropylene, 5-20 parts of polypropylene elastomer, 5-20 parts of ethylene propylene diene monomer, 1-10 parts of repairing agent, 5-20 parts of filler, 5-20 parts of flame retardant, 0.1-3 parts of antioxidant, 0.1-3 parts of ultraviolet light absorber and 0.1-3 parts of a dispersing agent. The material is attached to the surface of the existing building template for use, has good demoulding property, is tough and scratch-resistant, and can be repeatedly used.
Owner:CHINA STATE CONSTRUCTION ENGINEERING CORPORATION +1
Air curtain protection method for bath wall of melting furnace
InactiveCN105716421AFree from erosionReduce lossesFurnace safety devicesCrucible furnacesMelting tankBrick
An air curtain protection method for the bath wall of a melting furnace is characterized in that an isolation air curtain is made between the brick inner surface of the bath wall of the melting furnace and melt, and bath wall bricks of the melting furnace are isolated from melt so as to reduce or avoid the corrosion of melt to the bath wall bricks of the melting furnace due to contact. Gas used by the isolation air curtain can be compressed air, combustion smoke and the like, and the gas of the isolation air curtain is supplied by one row or multiple rows of ventilation seams or ventilation holes in the pipe walls of air supply pipes. The air supply pipes can be paved at the bottom of the brick inner side of the bath wall of the melting furnace or in certain-height grooves in the brick inner side of the bath wall of the melting furnace. The air supply pipes paved can run through the width or the length of the melting bath of the melting furnace in the length direction and extend out of the bath wall on the two sides. The air supply pipes can also be vertically closely arranged and cover the brick inner surface of the bath wall of the melting furnace. The upper ends of the air supply pipes extend out of the bath wall bricks of the melting furnace, so that the connection of an air source and the change and maintenance of the air supply pipes are convenient.
Owner:徐林波
Cold region tunnel freeze injury prevention and control method
ActiveCN109578028AExtended service lifePrevention and treatment of frost damageUnderground chambersTunnel liningFreeze injurySteel plates
The invention provides a cold region tunnel freeze injury prevention and control method, and relates to the technical field of tunnels. The method comprises the step that a freeze injury control lateris applied to a lining of a target section where freeze injury control needs to be performed inside a cold region tunnel, wherein a waterproof layer, a heat preservation layer and a steel plate layerare included. According to the cold region tunnel freeze injury prevention and control method, the phenomenon of freeze injuries inside the cold region tunnel can be effectively relieved, the servicelife of the heat preservation layer is prolonged, the structure integrity during tunnel operation is improved, and therefore traffic safety is ensured.
Owner:河北交通职业技术学院 +2
Weather pre-warning information receiving system for ships
InactiveCN107618621AFree from erosionAvoid erosionPhotovoltaic supportsVessel partsEngineeringSolar power
The invention discloses a weather pre-warning information receiving system for ships in the technical field of electronic equipment for ships. The system includes an antenna, a signal receiver, a signal processing unit, a displayer, a solar power generation unit and a photo-voltaic controller, wherein the signal receiver, the signal processing unit and the displayer are arranged on a hull; the solar power generation unit is electrically connected with the signal receiver through the photo-voltaic controller and comprises a lifting base of an annular structure, a containing opening formed in adeck and used for placing the lifting base, and a lifting mechanism capable of controlling the height and location of the lifting base; the inner circle of the lifting base is internally provided witha rotating base one surface of which is fitted with a solar cell, and therefore the solar power generation unit can be sheltered from erosion of wind and rain and is convenient to fold.
Owner:镇江市鹏申航海科技有限公司
Preparation method of two-dimensional carbon/silicon-silicon carbide composite pin
ActiveCN105835455BEven by forceImprove the forceLaminationLamination apparatusGas phaseChemical vapor infiltration
The invention relates to a 2D carbon / silicon-silicon carbide composite material pin preparation method and a preparation method and structure of a 2D carbon / silicon-silicon carbide composite material pin preform. The pin preparation method comprises 1, preparing a preform through horizontal paving (0 degree)-inclined paving (45 degrees) alternative laying of a 2D carbon fabric, graphite mold-based setting and carbon fiber vertical seaming on the multilayer carbon fabric, 2, depositing a pyrolytic carbon protective layer in the preform, 3, carrying out chemical vapor infiltration (CVI) to obtain a silicon carbide base, 4, cutting a flat blank to obtain a strip-shaped pin blank with the square section, 5, carrying out CVI silicon carbide protection of exposed fibers, 6, carrying out reactive melt infiltration (RMI) treatment, 7, milling the pin blank to obtain a pin with a standard size and 8, carrying out examination to obtain a carbon / silicon-silicon carbide composite material pin finished product. Through combination of CVI and RMI, the preparation method has the advantages of low production cost, short production period, low product porosity, high density and batch production. The ceramic-based composite material prepared by the CVI and RMI has shear strength of 80-100MPa at the room temperature.
Owner:XIAN XINGUI CERAMIC COMPOSITE MATERIAL CO LTD
Oxygen-control type pipeline-corrosion-resistant liquid metal for 40-80 DEG c of electronic chip and process thereof.
InactiveCN110343926AStrongly corrosiveReduce corrosion rateMetallic material coating processesLiquid metalOxygen
The invention discloses an oxygen-control type pipeline-corrosion-resistant liquid metal for 40-80 DEG c of an electronic chip and a process thereof. The alloy comprises the following components in percentage, by weight, the alloy composition is 0.2-0.5wt% of Hf, 0.4-1.0wt% of Co, 4.0-8.0wt% of Bi, 2.0-5.0wt% of Zn, 5.0-10.0wt.% of In,1.0-2.0wt.% of Cd, 5.0-8.0wt.% of Pb, and the balance of gallium; wherein the oxide composition for controlling the oxygen activity is pbo: 30.0-40.0wt% of PbO, 2.0-4.0wt% of CuO,10.0-20.0wt% of AgO, 4.0-6.0wt% of CdO, 5.0-8.0wt% of NiO, and the balance of Fe2O3.Through controlling the oxygen activity by adopting an oxygen control module, the stable compact oxidation film can be effectively generated on the surface of the stainless steel pipeline to inhibitcorrosion of the liquid metal to the pipeline material, the method has the characteristics that the process is simple, the implementation cost is low, the heat dissipation is efficient, the service life of the heat dissipation component is prolonged, and the service life of the heat dissipation component is obvious.
Owner:深圳市兴荣晟物业管理有限公司
Cascade polymer solar cell and preparing method thereof
ActiveCN103094481ADoes not affect absorptionOptimize solar absorptionFinal product manufactureSolid-state devicesEngineeringElectrical design
The invention discloses a cascade polymer solar cell and a preparing method of the cascade polymer solar cell. The solar cell comprises a substrate, two (or more than two) cell units, interval layers connecting all layers and a packaging layer packaging the polymer solar cell. The two (or more than two) cell units are electrically separated by the transparent interval layers formed by usage of atomic layer deposition (ALT) technology, absorption of solar spectrums of each cell is not influenced, and integral sunlight absorptivity of the cascade cell can also be optimized through adjustment of the thickness of the interval layer. In addition, the design basically separates electrical design from optical design, and design cost is effectively reduced. Meanwhile, ALD film has the advantages of being good in compactness and good in adhesion and the like, can effectively protects the cell units below the film layer from being eroded by water and oxygen in outside air, and plays a role in packaging and prolongs service life of the cell.
Owner:ZHEJIANG UNIV
Vertical breeding greenhouse monitoring device
InactiveCN107896724AImprove efficiency and safetyImprove meat quality and tasteAgricultural buildingsClimate change adaptationData transmissionLivestock
The invention discloses a vertical breeding greenhouse monitoring device. The vertical breeding greenhouse monitoring device comprises a base, wherein the top part of the base is provided with a plurality of supporting frames; cross beams penetrate through and are arranged among the supporting frames; the top parts of the supporting frames are provided with breeding rooms; the side wall of each breeding room is provided with through holes; the top part of each breeding room is provided with a fixed rod; one side of each fixed rod is provided with a fan; and the other side of each fixed rod isprovided with a data acquisition unit. According to the invention, by adoption of an intelligent gateway with a 4G link aggregation technology for transmission, security and efficiency of data transmission are improved, so basic data in a plant room can be transmitted to the interior of a PC computer the first time, and direct observation with naked eyes for an operator can be easily realized; byadoption of a sun-shading board made of a tempered glass material and the plant room, structural strength needed for the plant room can be reached, and daylighting of the interior of the breeding rooms is not affected; meanwhile, plants planted in the plant room can also provide sun-shading effect for livestock in the breeding rooms, so the meat quality and taste of the livestock are improved.
Owner:凤台县顺民养殖有限公司
A multifunctional compact center pin traction device
ActiveCN104477195BFree from erosionLimit lateral displacementDraw-gearBogie-underframe connectionsEngineeringMultiple function
The invention discloses a multifunctional compact traction device for a center pin. The traction device comprises a center pin seat, a traction base connected with the center pin seat, a traction bar assembly installed on the traction base and transverse absorbers, wherein the lower parts of the center pin seat are provided with two absorber seats as rib plates, the absorber seats are provided with transverse absorbers; the traction seat is a semi-closed structure used for enveloping the traction bar, and the left side plate and right side plate of the traction seat are provided with transverse backstops. According to the multifunctional compact traction device provided by the invention, the structure can be simplified and the functions of the traction devices can be enriched; furthermore, the problems that the traction seat is large in welding quantity, the center pin seat is single in function and the interference is likely to be caused can be solved to a large extent.
Owner:ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD
A fracturing sliding sleeve that can be opened and closed multiple times
ActiveCN103291271BGuaranteed flowbackEasy to flow backFluid removalWell/borehole valve arrangementsVulcanizationUpper joint
The invention relates to the technical field of oil and gas field horizontal well multi-step fracturing, in particular to a fracturing slide sleeve capable of being opened and closed for many times. The fracturing slide sleeve comprises a fracturing ball, an upper joint, a set screw, a fracturing sleeve, an O-shaped ring, a sand-preventing ring, a striking-off ring, a vulcanization sealing ring, an upper internal slide sleeve, a ball seat, a lower internal slide sleeve, a key, a baffle ring, a locating ring, a shearing ring, a shearing pin, a protecting sleeve and a lower joint. The fracturing slide sleeve is mainly used in the oil and gas field horizontal well section and multistage fracturing, pipe columns of single trip are converted into production pipe columns after ball throwing and fracturing in a multilayer and step-by-step mode. A continuous oil pipe is used for drilling and removing a cast iron ball seat and a composite fracturing ball seat in a one-time mode, and the larger drift diameter is reserved. The internally-arranged groove structure and a matched switch tool can achieve the objective that a fracturing channel of any layer can be opened or closed for many times, and the vulcanized rubber seal structure ensures that the fracturing slide sleeve resists the high temperature and the high pressure.
Owner:四机赛瓦石油钻采设备有限公司
Straw board for vegetation slope protection and production method thereof
InactiveCN112606163AAchieve protectionImprove environmental performanceExcavationsDomestic articlesEnvironmental resource managementAgricultural engineering
The invention provides a straw board for vegetation slope protection and a production method thereof, and relates to the technical field of ecological restoration. The method comprises the following steps of selecting a screen with 6-25 meshes as a standard, screening crushed straw fragments, soaking the straw fragments, and drying to control the water content of the straw fragments to be 10 to 18 percent; assembling the dried straws, and carrying out steam spraying and hot pressing at the hot-pressing temperature of 160 to 220 DEG C for 220 to 360 seconds so as to form a straw board; and punching the straw board to form the straw board with through holes. The straw board for the vegetation slope protection and the production method thereof provided by the invention have the characteristics of environmental protection, simplicity in construction and good ecological effect of slope protection.
Owner:北京航天恒丰科技股份有限公司
Bathtub capable of intelligently detecting body health
ActiveCN113647853AFree from erosionGuaranteed service lifeBathsDouchesStructural engineeringMechanical engineering
The invention provides a bathtub capable of intelligently detecting body health. The bathtub comprises a bathtub body, a mounting rack is arranged above one end of the bathtub body, a detector is arranged on the mounting rack, and a sliding structure facilitating sliding of the mounting rack is arranged on the bathtub body; a protective cover is fixedly connected to one end of the bathtub body, the side, facing the middle of the bathtub body, of the protective cover is provided with an opening, a sealing plate used for sealing the opening is hinged to the protective cover, a linkage mechanism is arranged in the protective cover, and when the mounting rack is embedded into the protective cover, the linkage mechanism drives the sealing plate to turn over to seal the opening. After the protective cover is arranged, when a user does not need to use the detector in the bathing process, the detector can be driven by the mounting frame to slide into the protective cover together, and in the process, the mounting rack drives the sealing plate to turn over through the linkage mechanism so as to seal the opening of the protective cover, so that the detector is prevented from being eroded by water vapor for a long time; the service life of the detector is ensured as much as possible.
Owner:东莞市威纳斯卫浴科技有限公司
Vegetation slope protection structure and preparation method thereof
InactiveCN112544165AAchieve protectionSimple and fast constructionExcrement fertilisersGrowth substratesMicroorganismVegetation
The invention provides a vegetation slope protection structure and a preparation method thereof, and relates to the technical field of ecological restoration. The method comprises the following stepsof selecting a 6-25-mesh screen as a standard, screening crushed straw fragments, soaking the straw fragments, and drying to control the water content of the straw fragments at 10-18%; assembling thedried straw, and carrying out steam spraying and hot pressing at the hot pressing temperature of 160-220 DEG C for 220-360 seconds to form a straw plate; punching the straw plate to form a straw platewith a through hole; stirring and mixing local soil, humic acid, decomposed cow dung, a water-retaining agent, a microbial agent and grass seeds to prepare a matrix mixture; and filling the matrix mixture into the through hole of the pre-prepared straw plate. The vegetation slope protection structure and the preparation method thereof have the advantages of being environmentally friendly, easy toconstruct and good in slope protection ecological effect.
Owner:北京航天恒丰科技股份有限公司
Spring bracket allowing on-spot adjustment
ActiveCN103527858BSmall structure sizeImprove job stabilityPipe supportsClassical mechanicsStructural engineering
The present invention relates to field adjustable spring brackets. The top sliding pair is installed on the top of the bracket on the spring bracket, and the top sliding pair provides support for the pipe bracket and the pipe; the bottom surface of the upper bracket of the spring bracket is provided with a vertically downward lower sleeve, and the lower bracket of the spring bracket It is arranged under the upper bracket of the spring bracket, and the top surface of the lower bracket of the spring bracket is provided with a vertically upward upper sleeve, the lower sleeve is set on the upper sleeve, and the working spring is arranged in the upper sleeve. The upper end of the spring is pressed against the bottom surface of the upper bracket of the spring bracket, and the upper end of the working spring is pressed on the upper surface of the upper bracket of the spring bracket; the upper bracket of the spring bracket and the lower bracket of the spring bracket are adjusted by a load preload value adjustment mechanism Connected, the upper bracket of the spring bracket and the lower bracket of the spring bracket can move up and down relative to each other. The invention has simple structure, ingenious design, more reliable performance than similar spring brackets, more convenient construction and installation, and the actual working performance is more consistent with the design requirements, thereby ensuring the long-term safe operation of the pipeline.
Owner:JIANGSU MINGJIANG MACHINERY MFG
Method for reducing water pollution of optical elements in immersion type photoengraving technology
InactiveCN1996145AAvoid influenceFree from erosionSemiconductor/solid-state device manufacturingPhotomechanical exposure apparatusPhotoengravingAqueous solution
The invention relates to the method of reducing water solution contamination to optical component through optimization process, adding surface active fluid to pre wetting the silicon before it dipping into the optical etching equipment and contacting with water, removing additional optical acid generator or other surface contamination, greatly reducing contamination of water solution with improved evenness of the silicon image.
Owner:SHANGHAI INTEGRATED CIRCUIT RES & DEV CENT +1
Coating equipment
ActiveCN112538617AImprove corrosion resistanceAnti-corrosionChemical vapor deposition coatingMechanical engineeringReaction chamber
The invention provides coating equipment. The coating equipment comprises a reaction chamber and a movable support device, wherein the reaction chamber is provided with a reaction cavity, and the movable support device is accommodated in the reaction cavity. The movable support device comprises at least one electrode and a movable support, wherein the movable support can move relative to the reaction cavity, the at least one electrode is arranged on the movable support in a manner of being movable along with the movable support, and at least one workpiece to be coated is suitable for being kept on the movable support to move along with the movable support.
Owner:JIANGSU FAVORED NANOTECHNOLOGY CO LTD
Lifting type atmosphere lamp
InactiveCN111120927AExtend your lifeCost-effectiveLighting support devicesSemiconductor devices for light sourcesPhysicsMechanical engineering
The invention provides a lifting type atmosphere lamp. The LED lamp at least comprises a reflecting lampshade and an LED lamp body assembly movably installed below the reflecting lampshade through a lifting device, the lamp body assembly comprises a reflecting installation plate and an LED lamp ring, the LED lamp ring is fixedly connected to the reflecting installation plate, and the edge of the reflecting installation plate extends towards the periphery and covers the bottom face of the reflecting lampshade. According to the atmosphere lamp, when the atmosphere lamp is turned on, the LED lampinstalled below the reflecting lampshade descends through the lifting device and is lightened, and needed atmosphere lamplight is provided; when the lamp is closed, the lamp rises along with the lifting device, covers the bottom surface of the reflecting lampshade and is hidden in a ceiling, thereby being very attractive and simple; and when the atmosphere lamp is closed, the reflective mountingplate is tight, so that the LED lamp ring in the lamp can be protected from being eroded by dust and damp water vapor, the service life of the atmosphere lamp is prolonged, and the cost performance isvery high.
Owner:广东人和照明实业有限公司
A kind of multi-layer composite protective layer applied to PCB and method
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Owner:康威通信技术股份有限公司
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